/* roulang page: index */
:root {
            --bg-primary: #0b0e13;
            --bg-secondary: #121620;
            --bg-tertiary: #1a1f2e;
            --bg-card: #161b28;
            --bg-elevated: #1e2433;
            --text-primary: #f0f2f5;
            --text-secondary: #b8c0ce;
            --text-muted: #7c8598;
            --accent: #22d3ee;
            --accent-strong: #06b6d4;
            --accent-glow: rgba(34, 211, 238, 0.25);
            --accent-rgb: 34, 211, 238;
            --green: #10b981;
            --green-glow: rgba(16, 185, 129, 0.25);
            --orange: #f59e0b;
            --orange-glow: rgba(245, 158, 11, 0.25);
            --danger: #ef4444;
            --danger-glow: rgba(239, 68, 68, 0.25);
            --border: #2a3040;
            --border-light: #353d52;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 32px rgba(34, 211, 238, 0.15);
            --font-base: 'Inter', 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', -apple-system, 'Segoe UI', sans-serif;
            --spacing-1: 4px;
            --spacing-2: 8px;
            --spacing-3: 12px;
            --spacing-4: 16px;
            --spacing-5: 24px;
            --spacing-6: 32px;
            --spacing-7: 48px;
            --spacing-8: 64px;
            --spacing-9: 80px;
            --spacing-10: 104px;
            --transition-base: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1216px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
            line-height: 1.6;
        }

        body {
            font-family: var(--font-base);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--accent-strong);
        }
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-5);
            width: 100%;
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 14, 19, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
            transition: var(--transition-base);
        }
        .site-header.is-scrolled {
            box-shadow: var(--shadow-md);
            background: rgba(11, 14, 19, 0.96);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-4);
            padding: var(--spacing-3) var(--spacing-5);
            max-width: var(--max-width);
            margin: 0 auto;
            min-height: 62px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: var(--spacing-2);
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: var(--transition-base);
        }
        .logo-link:hover {
            color: var(--accent);
            transform: translateY(-1px);
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent), var(--accent-strong));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.9rem;
            flex-shrink: 0;
            box-shadow: var(--shadow-glow);
        }
        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }
        .logo-text .logo-name {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }
        .logo-text .logo-tag {
            font-size: 0.62rem;
            font-weight: 500;
            color: var(--text-muted);
            letter-spacing: 0.06em;
            text-transform: uppercase;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-2);
            flex: 1;
            justify-content: center;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: var(--spacing-2) var(--spacing-3);
            border-radius: var(--radius-sm);
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition-base);
            white-space: nowrap;
            position: relative;
        }
        .main-nav a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
        }
        .main-nav a.active {
            color: var(--accent);
            background: rgba(var(--accent-rgb), 0.1);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background: var(--accent);
        }
        .main-nav a .nav-icon {
            font-size: 0.8rem;
            opacity: 0.8;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-2);
            flex-shrink: 0;
        }
        .search-box {
            position: relative;
            display: flex;
            align-items: center;
            background: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 6px 14px;
            transition: var(--transition-base);
            min-width: 150px;
        }
        .search-box:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.15);
        }
        .search-box i {
            color: var(--text-muted);
            font-size: 0.82rem;
            margin-right: 8px;
        }
        .search-box input {
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 0.82rem;
            width: 100%;
            outline: none;
            min-width: 0;
        }
        .search-box input::placeholder {
            color: var(--text-muted);
        }
        .search-box .search-shortcut {
            pointer-events: none;
            font-size: 0.65rem;
            color: var(--text-muted);
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: 4px;
            padding: 2px 6px;
            margin-left: 6px;
            white-space: nowrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 0.88rem;
            border-radius: var(--radius-sm);
            padding: 10px 20px;
            transition: var(--transition-base);
            white-space: nowrap;
            line-height: 1.4;
            cursor: pointer;
            text-decoration: none;
            border: 1px solid transparent;
        }
        .btn:hover {
            transform: translateY(-2px);
        }
        .btn:active {
            transform: translateY(0);
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent), var(--accent-strong));
            color: #fff;
            box-shadow: 0 4px 16px rgba(var(--accent-rgb), 0.35);
        }
        .btn-primary:hover {
            box-shadow: 0 8px 28px rgba(var(--accent-rgb), 0.45);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            border-color: var(--border-light);
            color: var(--text-secondary);
        }
        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(var(--accent-rgb), 0.06);
        }
        .btn-green {
            background: linear-gradient(135deg, var(--green), #059669);
            color: #fff;
            box-shadow: 0 4px 16px rgba(16, 185, 129, 0.3);
        }
        .btn-green:hover {
            box-shadow: 0 8px 28px rgba(16, 185, 129, 0.4);
            color: #fff;
        }
        .btn-sm {
            padding: 7px 14px;
            font-size: 0.8rem;
            border-radius: var(--radius-sm);
        }
        .btn-lg {
            padding: 14px 28px;
            font-size: 1rem;
            border-radius: var(--radius-md);
        }
        .btn-block {
            display: flex;
            width: 100%;
        }

        .mobile-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: var(--bg-tertiary);
            color: var(--text-primary);
            font-size: 1.1rem;
            align-items: center;
            justify-content: center;
            transition: var(--transition-base);
            flex-shrink: 0;
        }
        .mobile-toggle:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .mobile-menu {
            display: none;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            padding: var(--spacing-4) var(--spacing-5);
            flex-direction: column;
            gap: var(--spacing-2);
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .mobile-menu.is-open {
            max-height: 520px;
        }
        .mobile-menu a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: var(--spacing-3) var(--spacing-4);
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.92rem;
            transition: var(--transition-base);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: rgba(var(--accent-rgb), 0.1);
            color: var(--accent);
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            padding: var(--spacing-9) 0 var(--spacing-8);
            background:
                radial-gradient(ellipse at 20% 20%, rgba(var(--accent-rgb), 0.12) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 80%, rgba(16, 185, 129, 0.08) 0%, transparent 55%),
                var(--bg-primary);
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-primary), transparent);
            pointer-events: none;
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-5);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-6);
            flex-wrap: wrap;
        }
        .hero-content {
            flex: 1 1 540px;
            max-width: 600px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(var(--accent-rgb), 0.12);
            border: 1px solid rgba(var(--accent-rgb), 0.3);
            color: var(--accent);
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: var(--spacing-4);
            letter-spacing: 0.03em;
        }
        .hero-badge i {
            font-size: 0.72rem;
        }
        .hero-content h1 {
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1.1;
            margin-bottom: var(--spacing-4);
            color: var(--text-primary);
        }
        .hero-content h1 .highlight {
            background: linear-gradient(135deg, var(--accent), var(--green));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 540px;
            margin-bottom: var(--spacing-5);
            line-height: 1.8;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-3);
            margin-bottom: var(--spacing-4);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-5);
            margin-top: var(--spacing-4);
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero-stat .stat-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }
        .hero-stat .stat-label {
            font-size: 0.78rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .hero-panel {
            flex: 0 0 380px;
            max-width: 380px;
            width: 100%;
        }
        .hero-panel-card {
            background: rgba(22, 27, 40, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: var(--spacing-5);
            box-shadow: var(--shadow-lg);
        }
        .hero-panel-card .panel-title {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: var(--spacing-4);
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-primary);
        }
        .hero-panel-card .panel-title i {
            color: var(--accent);
        }
        .group-progress-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: var(--spacing-3);
            font-size: 0.85rem;
            color: var(--text-secondary);
        }
        .group-progress-row strong {
            color: var(--text-primary);
            font-weight: 600;
        }
        .progress-bar-outer {
            height: 8px;
            background: var(--bg-tertiary);
            border-radius: 999px;
            overflow: hidden;
            margin-bottom: var(--spacing-4);
        }
        .progress-bar-inner {
            height: 100%;
            background: linear-gradient(135deg, var(--accent), var(--green));
            border-radius: 999px;
            width: 72%;
            transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .group-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-3) 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.85rem;
        }
        .group-item:last-child {
            border-bottom: none;
        }
        .group-item .group-team {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .group-item .group-team .team-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            display: inline-block;
            flex-shrink: 0;
        }
        .group-item .group-num {
            font-weight: 700;
            color: var(--text-primary);
            font-size: 0.9rem;
        }
        .group-item .group-num small {
            font-weight: 400;
            color: var(--text-muted);
            font-size: 0.72rem;
        }

        /* ========== SECTION BASE ========== */
        .section {
            padding: var(--spacing-8) 0;
            position: relative;
        }
        .section-alt {
            background: var(--bg-secondary);
        }
        .section-accent {
            background: linear-gradient(180deg, var(--bg-primary), var(--bg-secondary));
        }
        .section-header {
            margin-bottom: var(--spacing-6);
            max-width: 720px;
        }
        .section-header.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent);
            background: rgba(var(--accent-rgb), 0.1);
            border: 1px solid rgba(var(--accent-rgb), 0.25);
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: var(--spacing-3);
        }
        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.3rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: var(--spacing-3);
            color: var(--text-primary);
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: var(--spacing-4);
        }

        /* ========== GROUP PLAY SECTION ========== */
        .group-play-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-5);
            margin-top: var(--spacing-6);
        }
        .group-step-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-5);
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .group-step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-light);
        }
        .group-step-card .step-number {
            position: absolute;
            top: var(--spacing-4);
            right: var(--spacing-5);
            font-size: 3rem;
            font-weight: 800;
            color: rgba(var(--accent-rgb), 0.12);
            line-height: 1;
            pointer-events: none;
        }
        .group-step-card .step-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(var(--accent-rgb), 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--accent);
            margin-bottom: var(--spacing-4);
        }
        .group-step-card h3 {
            font-size: 1.15rem;
            margin-bottom: var(--spacing-2);
        }
        .group-step-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== MISSION PROGRESS ========== */
        .mission-progress-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: var(--spacing-6);
            align-items: stretch;
        }
        .mission-left {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-6);
        }
        .mission-left h3 {
            font-size: 1.3rem;
            margin-bottom: var(--spacing-4);
        }
        .mission-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-4);
        }
        .mission-item {
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-3);
        }
        .mission-check {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 2px solid var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 0.72rem;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .mission-check.done {
            background: var(--green);
            border-color: var(--green);
            color: #fff;
        }
        .mission-item .mission-info h4 {
            font-size: 0.95rem;
            margin-bottom: 2px;
        }
        .mission-item .mission-info p {
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .mission-right {
            background: linear-gradient(135deg, var(--bg-card), var(--bg-tertiary));
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-6);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .reward-banner {
            display: flex;
            align-items: center;
            gap: var(--spacing-4);
            padding: var(--spacing-4);
            background: rgba(var(--accent-rgb), 0.08);
            border-radius: var(--radius-md);
            border: 1px dashed rgba(var(--accent-rgb), 0.3);
            margin-bottom: var(--spacing-4);
        }
        .reward-banner .reward-icon {
            font-size: 2rem;
            color: var(--accent);
        }
        .reward-banner h4 {
            font-size: 1.05rem;
            margin-bottom: 2px;
        }
        .reward-banner p {
            font-size: 0.82rem;
            color: var(--text-secondary);
        }

        /* ========== HOT GROUP ========== */
        .hot-group-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-5);
        }
        .hot-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .hot-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-light);
        }
        .hot-card .hot-img-wrap {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .hot-card .hot-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .hot-card:hover .hot-img-wrap img {
            transform: scale(1.05);
        }
        .hot-card .hot-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--danger);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 999px;
            letter-spacing: 0.04em;
        }
        .hot-card .hot-body {
            padding: var(--spacing-4) var(--spacing-5) var(--spacing-5);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .hot-card h3 {
            font-size: 1.05rem;
            margin-bottom: var(--spacing-2);
        }
        .hot-card .hot-desc {
            font-size: 0.86rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: var(--spacing-3);
            flex: 1;
        }
        .hot-card .hot-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: var(--text-muted);
            padding-top: var(--spacing-3);
            border-top: 1px solid var(--border);
        }
        .hot-card .hot-meta .hot-price {
            font-weight: 700;
            color: var(--accent);
            font-size: 0.95rem;
        }

        /* ========== CHANNEL SELL ========== */
        .channel-sell-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-6);
        }
        .channel-steps {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-4);
        }
        .channel-step {
            display: flex;
            gap: var(--spacing-4);
            padding: var(--spacing-4);
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            transition: var(--transition-base);
        }
        .channel-step:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .channel-step .step-num {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(var(--accent-rgb), 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.95rem;
            color: var(--accent);
            flex-shrink: 0;
        }
        .channel-step h4 {
            font-size: 0.98rem;
            margin-bottom: 4px;
        }
        .channel-step p {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }
        .objection-box {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: var(--spacing-5);
        }
        .objection-box h3 {
            font-size: 1.15rem;
            margin-bottom: var(--spacing-4);
        }
        .objection-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-3);
        }
        .objection-item {
            padding: var(--spacing-3);
            border-radius: var(--radius-sm);
            background: var(--bg-tertiary);
            font-size: 0.88rem;
        }
        .objection-item strong {
            color: var(--accent);
            display: block;
            margin-bottom: 2px;
            font-size: 0.82rem;
        }
        .objection-item span {
            color: var(--text-secondary);
        }

        /* ========== NEWS SECTION ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: var(--spacing-6);
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-item {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            gap: var(--spacing-4);
            padding: var(--spacing-4) 0;
            border-bottom: 1px solid var(--border);
            transition: var(--transition-base);
            cursor: pointer;
        }
        .news-item:hover {
            padding-left: var(--spacing-2);
        }
        .news-item .news-date {
            font-size: 0.78rem;
            color: var(--text-muted);
            white-space: nowrap;
            flex-shrink: 0;
            min-width: 72px;
            font-weight: 500;
        }
        .news-item .news-content {
            flex: 1;
        }
        .news-item .news-content h3 {
            font-size: 0.95rem;
            margin-bottom: 4px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .news-item .news-content p {
            font-size: 0.82rem;
            color: var(--text-secondary);
            margin-bottom: 6px;
            line-height: 1.6;
        }
        .news-item .news-link {
            font-size: 0.75rem;
            color: var(--accent);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-item .news-link:hover {
            gap: 8px;
        }
        .news-sidebar {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: var(--spacing-5);
            align-self: start;
            position: sticky;
            top: 90px;
        }
        .news-sidebar h3 {
            font-size: 1rem;
            margin-bottom: var(--spacing-4);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .news-sidebar h3 i {
            color: var(--accent);
        }
        .news-trend-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-3);
        }
        .news-trend-item {
            display: flex;
            align-items: center;
            gap: var(--spacing-3);
            padding: var(--spacing-3);
            border-radius: var(--radius-sm);
            background: var(--bg-tertiary);
            transition: var(--transition-base);
        }
        .news-trend-item:hover {
            background: var(--bg-elevated);
        }
        .news-trend-item .trend-rank {
            font-size: 1.3rem;
            font-weight: 800;
            color: rgba(var(--accent-rgb), 0.4);
            min-width: 28px;
            text-align: center;
        }
        .news-trend-item .trend-info h4 {
            font-size: 0.85rem;
            font-weight: 600;
        }
        .news-trend-item .trend-info p {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* ========== SELLING TRIO ========== */
        .trio-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-5);
        }
        .trio-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-6);
            text-align: center;
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .trio-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--green));
            opacity: 0;
            transition: var(--transition-base);
        }
        .trio-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .trio-card:hover::before {
            opacity: 1;
        }
        .trio-card .trio-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(var(--accent-rgb), 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent);
            margin: 0 auto var(--spacing-4);
        }
        .trio-card h3 {
            font-size: 1.1rem;
            margin-bottom: var(--spacing-2);
        }
        .trio-card p {
            font-size: 0.86rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* ========== FEATURE SHOWCASE ========== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-5);
        }
        .feature-card {
            display: flex;
            gap: var(--spacing-4);
            padding: var(--spacing-5);
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            transition: var(--transition-smooth);
        }
        .feature-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-sm);
            border-color: var(--border-light);
        }
        .feature-card .feature-img {
            width: 100px;
            height: 80px;
            border-radius: var(--radius-md);
            overflow: hidden;
            flex-shrink: 0;
        }
        .feature-card .feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .feature-card .feature-info h3 {
            font-size: 1rem;
            margin-bottom: var(--spacing-2);
        }
        .feature-card .feature-info p {
            font-size: 0.84rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* ========== DATA METRICS ========== */
        .data-metrics-section {
            background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
            border-radius: var(--radius-xl);
            padding: var(--spacing-7) var(--spacing-6);
            margin: 0 var(--spacing-5);
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            margin-top: var(--spacing-8);
            margin-bottom: var(--spacing-8);
            border: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }
        .data-metrics-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -30%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(var(--accent-rgb), 0.1) 0%, transparent 70%);
            pointer-events: none;
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-5);
            position: relative;
            z-index: 1;
        }
        .metric-item {
            text-align: center;
        }
        .metric-item .metric-num {
            font-size: 2.4rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--accent);
            line-height: 1.2;
        }
        .metric-item .metric-num .unit {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-secondary);
            margin-left: 2px;
        }
        .metric-item .metric-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ========== CATEGORY MATRIX ========== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-4);
        }
        .category-card {
            display: flex;
            align-items: center;
            gap: var(--spacing-3);
            padding: var(--spacing-4);
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: var(--transition-smooth);
            text-decoration: none;
            color: var(--text-primary);
        }
        .category-card:hover {
            background: var(--bg-elevated);
            border-color: var(--accent);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
            color: var(--text-primary);
        }
        .category-card .cat-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(var(--accent-rgb), 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 1rem;
            flex-shrink: 0;
        }
        .category-card h4 {
            font-size: 0.92rem;
            font-weight: 600;
        }
        .category-card p {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* ========== PROCESS STEPS ========== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: var(--spacing-4);
            position: relative;
        }
        .process-step {
            text-align: center;
            position: relative;
            padding: var(--spacing-4);
        }
        .process-step::after {
            content: '';
            position: absolute;
            top: 28px;
            left: 52%;
            width: 100%;
            height: 2px;
            background: var(--border);
            z-index: 0;
        }
        .process-step:last-child::after {
            display: none;
        }
        .process-step .step-dot {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 2px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--accent);
            margin: 0 auto var(--spacing-3);
            position: relative;
            z-index: 1;
            transition: var(--transition-base);
        }
        .process-step:hover .step-dot {
            border-color: var(--accent);
            box-shadow: 0 0 20px rgba(var(--accent-rgb), 0.25);
            transform: scale(1.08);
        }
        .process-step h4 {
            font-size: 0.9rem;
            margin-bottom: 4px;
        }
        .process-step p {
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-5);
        }
        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-5);
            transition: var(--transition-smooth);
        }
        .testimonial-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-sm);
        }
        .testimonial-card .quote-icon {
            font-size: 1.6rem;
            color: rgba(var(--accent-rgb), 0.3);
            margin-bottom: var(--spacing-3);
            display: block;
        }
        .testimonial-card blockquote {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            font-style: italic;
            margin-bottom: var(--spacing-4);
        }
        .testimonial-card .author-info {
            display: flex;
            align-items: center;
            gap: var(--spacing-3);
        }
        .testimonial-card .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg-elevated);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .testimonial-card .author-info h4 {
            font-size: 0.88rem;
            font-weight: 600;
        }
        .testimonial-card .author-info p {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-grid {
            display: grid;
            grid-template-columns: 1fr 1.3fr;
            gap: var(--spacing-6);
            align-items: center;
        }
        .brand-intro-visual {
            aspect-ratio: 4/3;
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
        }
        .brand-intro-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .brand-intro-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11, 14, 19, 0.7), transparent 50%);
            pointer-events: none;
        }
        .brand-intro-text h3 {
            font-size: 1.5rem;
            margin-bottom: var(--spacing-3);
        }
        .brand-intro-text p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: var(--spacing-3);
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-3);
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-4) var(--spacing-5);
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-primary);
            gap: var(--spacing-3);
            transition: var(--transition-base);
            user-select: none;
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-question .faq-toggle {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-elevated);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            color: var(--accent);
            transition: var(--transition-smooth);
            flex-shrink: 0;
        }
        .faq-item.is-open .faq-toggle {
            transform: rotate(180deg);
            background: rgba(var(--accent-rgb), 0.15);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            padding: 0 var(--spacing-5);
            color: var(--text-secondary);
            font-size: 0.88rem;
            line-height: 1.75;
        }
        .faq-item.is-open .faq-answer {
            max-height: 300px;
            padding-bottom: var(--spacing-5);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: var(--spacing-8) var(--spacing-6);
            text-align: center;
            position: relative;
            overflow: hidden;
            max-width: var(--max-width);
            margin: var(--spacing-8) auto;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            pointer-events: none;
        }
        .cta-section > * {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            margin-bottom: var(--spacing-3);
        }
        .cta-section p {
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto var(--spacing-5);
            font-size: 0.95rem;
            line-height: 1.75;
        }
        .cta-btn-group {
            display: flex;
            gap: var(--spacing-3);
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            padding: var(--spacing-8) 0 var(--spacing-4);
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: var(--spacing-6);
            margin-bottom: var(--spacing-7);
        }
        .footer-brand h3 {
            font-size: 1.2rem;
            margin-bottom: var(--spacing-3);
            display: flex;
            align-items: center;
            gap: var(--spacing-2);
        }
        .footer-brand h3 .footer-logo-icon {
            width: 30px;
            height: 30px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent), var(--accent-strong));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.7rem;
        }
        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 0.88rem;
            font-weight: 700;
            margin-bottom: var(--spacing-3);
            color: var(--text-primary);
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-2);
        }
        .footer-col ul a {
            font-size: 0.82rem;
            color: var(--text-muted);
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul a:hover {
            color: var(--accent);
            transform: translateX(3px);
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: var(--spacing-4);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: var(--spacing-3);
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .footer-bottom .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-3);
        }
        .footer-bottom .footer-links a {
            color: var(--text-muted);
            font-size: 0.78rem;
        }
        .footer-bottom .footer-links a:hover {
            color: var(--accent);
        }
        .footer-beian {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-3);
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .main-nav {
                gap: var(--spacing-1);
            }
            .main-nav a {
                padding: var(--spacing-2) var(--spacing-2);
                font-size: 0.82rem;
            }
            .hero-inner {
                gap: var(--spacing-5);
            }
            .hero-panel {
                flex: 0 0 320px;
                max-width: 320px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-5);
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(3, 1fr);
                gap: var(--spacing-5);
            }
            .process-step::after {
                display: none;
            }
            .group-play-grid,
            .hot-group-grid,
            .trio-grid,
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .channel-sell-grid {
                grid-template-columns: 1fr;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-sidebar {
                position: static;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                padding: var(--spacing-3) var(--spacing-4);
                flex-wrap: nowrap;
            }
            .main-nav {
                display: none;
            }
            .search-box {
                display: none;
            }
            .header-actions .btn-outline {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .mobile-menu {
                display: flex;
            }
            .hero-inner {
                flex-direction: column;
                padding: 0 var(--spacing-4);
            }
            .hero-content {
                max-width: 100%;
            }
            .hero-panel {
                flex: 1 1 100%;
                max-width: 100%;
            }
            .hero-section {
                padding: var(--spacing-6) 0;
            }
            .hero-content h1 {
                font-size: clamp(1.8rem, 6vw, 2.4rem);
            }
            .group-play-grid,
            .hot-group-grid,
            .trio-grid,
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .mission-progress-grid {
                grid-template-columns: 1fr;
            }
            .brand-intro-grid {
                grid-template-columns: 1fr;
            }
            .data-metrics-section {
                margin: var(--spacing-5) var(--spacing-4);
                padding: var(--spacing-5) var(--spacing-4);
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: var(--spacing-4);
            }
            .cta-section {
                margin: var(--spacing-5) var(--spacing-4);
                padding: var(--spacing-6) var(--spacing-4);
            }
            .section {
                padding: var(--spacing-6) 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-5);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: var(--spacing-2);
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 var(--spacing-3);
            }
            .header-inner {
                padding: var(--spacing-2) var(--spacing-3);
                min-height: 54px;
            }
            .logo-link .logo-name {
                font-size: 1.05rem;
            }
            .logo-link .logo-tag {
                font-size: 0.55rem;
            }
            .hero-content h1 {
                font-size: 1.6rem;
            }
            .hero-desc {
                font-size: 0.92rem;
            }
            .hero-stats {
                gap: var(--spacing-3);
            }
            .hero-stat .stat-num {
                font-size: 1.3rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .group-play-grid,
            .hot-group-grid,
            .trio-grid,
            .testimonial-grid,
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .group-step-card,
            .hot-card,
            .trio-card,
            .testimonial-card {
                padding: var(--spacing-4);
            }
            .btn-lg {
                padding: 11px 20px;
                font-size: 0.9rem;
            }
            .data-metrics-section {
                margin: var(--spacing-4) var(--spacing-3);
                padding: var(--spacing-4) var(--spacing-3);
                border-radius: var(--radius-lg);
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-3);
            }
            .metric-item .metric-num {
                font-size: 1.8rem;
            }
            .cta-section {
                margin: var(--spacing-4) var(--spacing-3);
                padding: var(--spacing-5) var(--spacing-3);
                border-radius: var(--radius-lg);
            }
            .footer-beian {
                flex-direction: column;
                align-items: center;
            }
        }

        /* smooth scroll offset for sticky header */
        .anchor-offset {
            scroll-margin-top: 82px;
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0b0e13;
            --bg-secondary: #121620;
            --bg-tertiary: #1a1f2e;
            --bg-card: #161b28;
            --bg-elevated: #1e2433;
            --text-primary: #f0f2f5;
            --text-secondary: #b8c0ce;
            --text-muted: #7c8598;
            --accent: #22d3ee;
            --accent-strong: #06b6d4;
            --accent-glow: rgba(34, 211, 238, 0.25);
            --accent-rgb: 34, 211, 238;
            --green: #10b981;
            --green-glow: rgba(16, 185, 129, 0.25);
            --orange: #f59e0b;
            --orange-glow: rgba(245, 158, 11, 0.25);
            --danger: #ef4444;
            --danger-glow: rgba(239, 68, 68, 0.25);
            --border: #2a3040;
            --border-light: #353d52;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 32px rgba(34, 211, 238, 0.15);
            --font-base: 'Inter', 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', -apple-system, 'Segoe UI', sans-serif;
            --spacing-1: 4px;
            --spacing-2: 8px;
            --spacing-3: 12px;
            --spacing-4: 16px;
            --spacing-5: 24px;
            --spacing-6: 32px;
            --spacing-7: 48px;
            --spacing-8: 64px;
            --spacing-9: 80px;
            --spacing-10: 104px;
            --transition-base: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1216px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
            line-height: 1.6;
        }

        body {
            font-family: var(--font-base);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--accent-strong);
        }
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-5);
            width: 100%;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 14, 19, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
            transition: var(--transition-base);
        }
        .site-header.is-scrolled {
            box-shadow: var(--shadow-md);
            background: rgba(11, 14, 19, 0.96);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-4);
            padding: var(--spacing-3) var(--spacing-5);
            max-width: var(--max-width);
            margin: 0 auto;
            min-height: 62px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: var(--spacing-2);
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: var(--transition-base);
        }
        .logo-link:hover {
            color: var(--accent);
            transform: translateY(-1px);
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent), var(--accent-strong));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.9rem;
            flex-shrink: 0;
            box-shadow: var(--shadow-glow);
        }
        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }
        .logo-text .logo-name {
            font-size: 1.2rem;
            font-weight: 800;
            letter-spacing: -0.01em;
        }
        .logo-text .logo-sub {
            font-size: 0.65rem;
            font-weight: 500;
            color: var(--text-muted);
            letter-spacing: 0.08em;
            text-transform: uppercase;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: 10px;
            color: var(--text-secondary);
            font-size: 0.88rem;
            font-weight: 500;
            letter-spacing: 0.01em;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--text-primary);
            background: var(--bg-elevated);
        }
        .main-nav a.active {
            color: var(--accent);
            background: var(--accent-glow);
            font-weight: 600;
        }
        .nav-icon {
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: var(--transition-base);
        }
        .main-nav a.active .nav-icon {
            color: var(--accent);
        }
        .main-nav a:hover .nav-icon {
            color: var(--accent);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 7px 14px;
            color: var(--text-muted);
            font-size: 0.82rem;
            transition: var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
        }
        .search-box:hover {
            border-color: var(--accent);
            color: var(--text-secondary);
            box-shadow: var(--shadow-glow);
        }
        .search-box i {
            font-size: 0.75rem;
            color: var(--accent);
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent), var(--accent-strong));
            color: #fff !important;
            font-size: 0.86rem;
            font-weight: 600;
            letter-spacing: 0.01em;
            transition: var(--transition-base);
            white-space: nowrap;
            box-shadow: var(--shadow-glow);
        }
        .header-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 0 40px rgba(34, 211, 238, 0.3);
        }

        /* Mobile nav toggle */
        .mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: var(--bg-elevated);
            color: var(--text-primary);
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            transition: var(--transition-base);
        }
        .mobile-toggle:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        /* Hero */
        .hero-section {
            position: relative;
            padding: var(--spacing-9) 0 var(--spacing-8);
            background: linear-gradient(180deg, var(--bg-tertiary) 0%, var(--bg-primary) 100%);
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -200px;
            right: -100px;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, var(--accent-glow) 0%, transparent 65%);
            pointer-events: none;
            z-index: 0;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -150px;
            left: -50px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(16, 185, 129, 0.12) 0%, transparent 60%);
            pointer-events: none;
            z-index: 0;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: var(--spacing-7);
            align-items: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 999px;
            background: var(--accent-glow);
            color: var(--accent);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: var(--spacing-4);
            border: 1px solid rgba(34, 211, 238, 0.3);
        }
        .hero-badge i {
            font-size: 0.7rem;
        }
        .hero-title {
            font-size: clamp(2.2rem, 4.5vw, 3.5rem);
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1.15;
            margin-bottom: var(--spacing-4);
            color: var(--text-primary);
        }
        .hero-title .highlight {
            position: relative;
            color: var(--accent);
            white-space: nowrap;
        }
        .hero-title .highlight::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            width: 100%;
            height: 8px;
            background: var(--accent-glow);
            border-radius: 4px;
            z-index: -1;
        }
        .hero-sub {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: var(--spacing-6);
            max-width: 560px;
        }
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-3);
            align-items: center;
        }
        .btn-primary-glow {
            padding: 14px 32px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--accent), var(--accent-strong));
            color: #fff !important;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.01em;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: var(--shadow-glow);
        }
        .btn-primary-glow:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(34, 211, 238, 0.35);
        }
        .btn-outline-glow {
            padding: 14px 28px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            background: var(--bg-elevated);
            color: var(--text-primary) !important;
            font-weight: 600;
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition-base);
        }
        .btn-outline-glow:hover {
            border-color: var(--accent);
            color: var(--accent) !important;
            box-shadow: var(--shadow-glow);
        }
        .hero-group-hint {
            display: flex;
            align-items: center;
            gap: var(--spacing-3);
            margin-top: var(--spacing-5);
            padding: var(--spacing-3) var(--spacing-4);
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            max-width: 360px;
        }
        .group-avatars {
            display: flex;
            align-items: center;
        }
        .group-avatars .avatar-dot {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 2px solid var(--bg-card);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.6rem;
            font-weight: 700;
            color: #fff;
            margin-left: -6px;
        }
        .group-avatars .avatar-dot:first-child {
            margin-left: 0;
        }
        .avatar-dot.a1 {
            background: var(--accent);
        }
        .avatar-dot.a2 {
            background: var(--green);
        }
        .avatar-dot.a3 {
            background: var(--orange);
        }
        .avatar-dot.a4 {
            background: var(--danger);
        }
        .group-hint-text {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }
        .group-hint-text strong {
            color: var(--accent);
            font-weight: 700;
        }
        .hero-visual {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-visual-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: var(--spacing-5);
            box-shadow: var(--shadow-lg);
            width: 100%;
            max-width: 440px;
            position: relative;
            overflow: hidden;
        }
        .hero-visual-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--accent), var(--green), var(--orange));
        }
        .live-match-banner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-3) var(--spacing-4);
            background: var(--bg-elevated);
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-4);
        }
        .live-indicator {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--danger);
        }
        .live-indicator .pulse-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--danger);
            animation: pulse 1.5s ease-in-out infinite;
        }
        @keyframes pulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.6);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(239, 68, 68, 0);
            }
        }
        .live-score {
            font-size: 1.4rem;
            font-weight: 800;
            letter-spacing: 0.08em;
            color: var(--text-primary);
        }
        .match-team-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-3) 0;
            border-bottom: 1px solid var(--border);
        }
        .match-team-row:last-child {
            border-bottom: none;
        }
        .team-info {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .team-badge {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-elevated);
            border: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            font-weight: 700;
            color: var(--text-secondary);
        }
        .team-name {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
        }
        .team-score {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--accent);
        }
        .match-time {
            font-size: 0.75rem;
            color: var(--text-muted);
            text-align: center;
            padding: 4px 0;
        }
        .match-stats-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: var(--spacing-3);
        }
        .match-stats-bar .stat-label {
            font-size: 0.7rem;
            color: var(--text-muted);
            min-width: 60px;
            text-align: center;
        }
        .match-stats-bar .progress {
            flex: 1;
            height: 6px;
            background: var(--bg-elevated);
            border-radius: 4px;
            overflow: hidden;
        }
        .match-stats-bar .progress-bar {
            height: 100%;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--accent), var(--accent-strong));
        }

        /* Sections general */
        section {
            padding: var(--spacing-8) 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: var(--spacing-3);
        }
        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: var(--spacing-3);
            color: var(--text-primary);
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: var(--spacing-6);
        }

        /* Feature cards */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--spacing-5);
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-5);
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .feature-card:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .feature-card .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin-bottom: var(--spacing-4);
            color: var(--accent);
            background: var(--accent-glow);
        }
        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: var(--spacing-2);
            color: var(--text-primary);
        }
        .feature-card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* Steps */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: var(--spacing-5);
            counter-reset: step-counter;
        }
        .step-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-5);
            position: relative;
            counter-increment: step-counter;
            transition: var(--transition-base);
        }
        .step-item:hover {
            border-color: var(--border-light);
            transform: translateY(-2px);
        }
        .step-item::before {
            content: counter(step-counter, decimal-leading-zero);
            position: absolute;
            top: -14px;
            left: var(--spacing-4);
            font-size: 3rem;
            font-weight: 800;
            color: var(--accent-glow);
            letter-spacing: -0.05em;
            line-height: 1;
            pointer-events: none;
        }
        .step-item .step-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: var(--spacing-4) 0 var(--spacing-2);
        }
        .step-item .step-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* Scenario */
        .scenario-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--spacing-5);
        }
        .scenario-card {
            display: flex;
            gap: var(--spacing-4);
            padding: var(--spacing-5);
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            transition: var(--transition-base);
        }
        .scenario-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-glow);
        }
        .scenario-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--accent-glow);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .scenario-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-1);
        }
        .scenario-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* Live channels */
        .channels-wrap {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
            gap: var(--spacing-3);
        }
        .channel-pill {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: var(--spacing-3) var(--spacing-4);
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }
        .channel-pill:hover {
            border-color: var(--accent);
            color: var(--text-primary);
            box-shadow: var(--shadow-sm);
        }
        .channel-pill i {
            color: var(--accent);
            font-size: 0.8rem;
        }
        .channel-pill .match-count {
            font-size: 0.7rem;
            font-weight: 600;
            color: var(--green);
            background: var(--green-glow);
            padding: 2px 8px;
            border-radius: 999px;
            margin-left: auto;
            white-space: nowrap;
        }

        /* FAQ */
        .faq-list {
            max-width: 850px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-3);
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-4) var(--spacing-5);
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            cursor: pointer;
            transition: var(--transition-base);
            gap: var(--spacing-3);
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-question .faq-toggle-icon {
            flex-shrink: 0;
            transition: transform 0.3s ease;
            color: var(--text-muted);
        }
        .faq-item.open .faq-toggle-icon {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 var(--spacing-5) var(--spacing-4);
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* CTA */
        .cta-section {
            position: relative;
            overflow: hidden;
            padding: var(--spacing-8) 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 1000px;
            height: 100%;
            background: radial-gradient(ellipse at center, var(--accent-glow) 0%, transparent 60%);
            pointer-events: none;
            z-index: 0;
        }
        .cta-box {
            position: relative;
            z-index: 2;
            background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-elevated) 100%);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: var(--spacing-7);
            text-align: center;
            box-shadow: var(--shadow-lg);
        }
        .cta-box h2 {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: var(--spacing-3);
            color: var(--text-primary);
        }
        .cta-box p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 600px;
            margin: 0 auto var(--spacing-5);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            padding: var(--spacing-7) 0 var(--spacing-5);
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: var(--spacing-6);
            margin-bottom: var(--spacing-6);
        }
        .footer-brand h3 {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: var(--spacing-3);
        }
        .footer-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent), var(--accent-strong));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.9rem;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-3);
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: var(--spacing-2);
        }
        .footer-col ul li a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--text-muted);
            font-size: 0.86rem;
            transition: var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
            transform: translateX(2px);
        }
        .footer-col ul li a i {
            font-size: 0.65rem;
            color: var(--text-muted);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-3);
            padding-top: var(--spacing-4);
            border-top: 1px solid var(--border);
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .footer-bottom p {
            margin: 0;
        }
        .footer-beian {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-3);
            align-items: center;
        }
        .footer-beian span {
            color: var(--text-muted);
            font-size: 0.78rem;
        }
        .footer-beian a {
            color: var(--text-muted);
            font-size: 0.78rem;
            transition: var(--transition-base);
        }
        .footer-beian a:hover {
            color: var(--accent);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: var(--spacing-5);
            }
            .hero-visual {
                order: 2;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-5);
            }
            .main-nav {
                gap: 2px;
            }
            .main-nav a {
                padding: 7px 10px;
                font-size: 0.8rem;
            }
            .search-box {
                display: none;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-8: 48px;
                --spacing-9: 64px;
                --spacing-10: 80px;
            }
            .mobile-toggle {
                display: flex;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                background: rgba(11, 14, 19, 0.98);
                border-bottom: 1px solid var(--border);
                padding: var(--spacing-3) var(--spacing-5);
                backdrop-filter: blur(18px);
                -webkit-backdrop-filter: blur(18px);
            }
            .main-nav.is-open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 14px;
                font-size: 0.9rem;
                border-radius: 8px;
                justify-content: flex-start;
            }
            .header-inner {
                padding: var(--spacing-2) var(--spacing-4);
                gap: var(--spacing-2);
            }
            .header-cta {
                padding: 7px 12px;
                font-size: 0.8rem;
            }
            .hero-section {
                padding: var(--spacing-7) 0;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-sub {
                font-size: 0.95rem;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary-glow,
            .btn-outline-glow {
                justify-content: center;
                text-align: center;
            }
            .hero-visual-card {
                max-width: 100%;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .steps-row {
                grid-template-columns: 1fr;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .channels-wrap {
                grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-4);
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-box {
                padding: var(--spacing-5);
            }
            .cta-box h2 {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 var(--spacing-3);
            }
            .header-inner {
                padding: var(--spacing-2) var(--spacing-3);
                gap: var(--spacing-1);
            }
            .logo-text .logo-name {
                font-size: 1rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.75rem;
                border-radius: 8px;
            }
            .header-cta {
                display: none;
            }
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-badge {
                font-size: 0.7rem;
                padding: 4px 12px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .section-desc {
                font-size: 0.92rem;
            }
            .feature-card {
                padding: var(--spacing-4);
            }
            .channels-wrap {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-2);
            }
            .channel-pill {
                padding: var(--spacing-2) var(--spacing-3);
                font-size: 0.78rem;
                gap: 6px;
            }
            .match-team-row {
                padding: var(--spacing-2) 0;
            }
            .live-score {
                font-size: 1.1rem;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0b0e13;
            --bg-secondary: #121620;
            --bg-tertiary: #1a1f2e;
            --bg-card: #161b28;
            --bg-elevated: #1e2433;
            --text-primary: #f0f2f5;
            --text-secondary: #b8c0ce;
            --text-muted: #7c8598;
            --accent: #22d3ee;
            --accent-strong: #06b6d4;
            --accent-glow: rgba(34, 211, 238, 0.25);
            --accent-rgb: 34, 211, 238;
            --green: #10b981;
            --green-glow: rgba(16, 185, 129, 0.25);
            --orange: #f59e0b;
            --orange-glow: rgba(245, 158, 11, 0.25);
            --danger: #ef4444;
            --danger-glow: rgba(239, 68, 68, 0.25);
            --border: #2a3040;
            --border-light: #353d52;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 32px rgba(34, 211, 238, 0.15);
            --font-base: 'Inter', 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', -apple-system, 'Segoe UI', sans-serif;
            --spacing-1: 4px;
            --spacing-2: 8px;
            --spacing-3: 12px;
            --spacing-4: 16px;
            --spacing-5: 24px;
            --spacing-6: 32px;
            --spacing-7: 48px;
            --spacing-8: 64px;
            --spacing-9: 80px;
            --spacing-10: 104px;
            --transition-base: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1216px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
            line-height: 1.6;
        }

        body {
            font-family: var(--font-base);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: var(--transition-base);
        }

        a:hover {
            color: var(--accent-strong);
        }

        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-5);
            width: 100%;
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 14, 19, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
            transition: var(--transition-base);
        }

        .site-header.is-scrolled {
            box-shadow: var(--shadow-md);
            background: rgba(11, 14, 19, 0.96);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-4);
            padding: var(--spacing-3) var(--spacing-5);
            max-width: var(--max-width);
            margin: 0 auto;
            min-height: 62px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: var(--spacing-2);
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: var(--transition-base);
        }

        .logo-link:hover {
            color: var(--accent);
            transform: translateY(-1px);
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent), var(--accent-strong));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.9rem;
            flex-shrink: 0;
            box-shadow: var(--shadow-glow);
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }

        .logo-text .logo-name {
            font-size: 1.2rem;
            font-weight: 800;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-2);
            flex-wrap: wrap;
            flex: 1;
            justify-content: center;
        }

        .main-nav a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            border-radius: var(--radius-md);
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: var(--accent);
            background: rgba(34, 211, 238, 0.08);
        }

        .main-nav a.active {
            color: var(--accent);
            background: rgba(34, 211, 238, 0.12);
            font-weight: 600;
            box-shadow: inset 0 0 0 1px rgba(34, 211, 238, 0.2);
        }

        .nav-icon {
            font-size: 0.85rem;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-2);
            flex-shrink: 0;
        }

        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 6px 12px;
            transition: var(--transition-base);
            min-width: 180px;
        }

        .search-box:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.1);
        }

        .search-box i {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .search-box input {
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 0.85rem;
            width: 100%;
            outline: none;
        }

        .search-box input::placeholder {
            color: var(--text-muted);
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            background: var(--accent);
            color: #fff !important;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.85rem;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .btn-nav-cta:hover {
            background: var(--accent-strong);
            transform: translateY(-1px);
            box-shadow: var(--shadow-glow);
        }

        .mobile-toggle {
            display: none;
            background: var(--bg-tertiary);
            border: 1px solid var(--border);
            color: var(--text-primary);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            padding: var(--spacing-8) 0 var(--spacing-7);
            background: linear-gradient(160deg, var(--bg-secondary) 0%, var(--bg-primary) 55%, #0a0d14 100%);
            overflow: hidden;
            min-height: 680px;
            display: flex;
            align-items: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -180px;
            right: -120px;
            width: 560px;
            height: 560px;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -200px;
            left: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(34, 211, 238, 0.12);
            color: var(--accent);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: var(--spacing-4);
            border: 1px solid rgba(34, 211, 238, 0.2);
        }

        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.03em;
            margin-bottom: var(--spacing-4);
            color: var(--text-primary);
        }

        .hero-title .highlight {
            color: var(--accent);
            position: relative;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.8;
            margin-bottom: var(--spacing-6);
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-3);
            margin-bottom: var(--spacing-6);
        }

        .btn-primary-lg {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            background: var(--accent);
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition-base);
            box-shadow: 0 4px 20px rgba(34, 211, 238, 0.3);
        }

        .btn-primary-lg:hover {
            background: var(--accent-strong);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(34, 211, 238, 0.4);
            color: #fff;
        }

        .btn-outline-lg {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition-base);
        }

        .btn-outline-lg:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(34, 211, 238, 0.06);
            transform: translateY(-2px);
        }

        .hero-stats {
            display: flex;
            gap: var(--spacing-6);
            flex-wrap: wrap;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
        }

        .hero-stat .stat-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -0.02em;
        }

        .hero-stat .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .hero-visual {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-panel {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: var(--spacing-5);
            box-shadow: var(--shadow-lg);
            width: 100%;
            max-width: 480px;
            backdrop-filter: blur(10px);
        }

        .hero-panel-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: var(--spacing-4);
            padding-bottom: var(--spacing-3);
            border-bottom: 1px solid var(--border);
        }

        .hero-panel-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
        }

        .hero-panel-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: rgba(16, 185, 129, 0.15);
            color: var(--green);
            padding: 4px 10px;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
        }

        .live-indicator {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--green);
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(1.3); }
        }

        .data-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
        }
        .data-row:last-child {
            border-bottom: none;
        }

        .data-row .label {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .data-row .value {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-primary);
        }

        .data-row .value.up {
            color: var(--green);
        }
        .data-row .value.down {
            color: var(--danger);
        }

        .progress-thin {
            height: 6px;
            background: var(--bg-tertiary);
            border-radius: 999px;
            overflow: hidden;
            margin-top: 6px;
        }

        .progress-thin .bar {
            height: 100%;
            background: linear-gradient(90deg, var(--accent), var(--green));
            border-radius: 999px;
            transition: width 1s ease;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: var(--spacing-8) 0;
            position: relative;
        }

        .section-alt {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-compact {
            padding: var(--spacing-7) 0;
        }

        .section-header {
            margin-bottom: var(--spacing-6);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            font-size: 0.85rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: var(--spacing-2);
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: var(--spacing-3);
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.8;
        }

        /* ========== CARDS ========== */
        .data-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-5);
            transition: var(--transition-smooth);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .data-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), transparent);
            opacity: 0;
            transition: var(--transition-base);
        }

        .data-card:hover {
            border-color: var(--border-light);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .data-card:hover::before {
            opacity: 1;
        }

        .data-card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(34, 211, 238, 0.1);
            color: var(--accent);
            font-size: 1.2rem;
            margin-bottom: var(--spacing-4);
            transition: var(--transition-base);
        }

        .data-card:hover .data-card-icon {
            background: rgba(34, 211, 238, 0.2);
            box-shadow: var(--shadow-glow);
        }

        .data-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-2);
        }

        .data-card-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== METRIC PANEL ========== */
        .metric-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: var(--spacing-4);
        }

        .metric-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-5);
            text-align: center;
            transition: var(--transition-base);
        }

        .metric-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }

        .metric-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -0.03em;
            line-height: 1.2;
        }

        .metric-num .unit {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-secondary);
        }

        .metric-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: var(--spacing-2);
        }

        /* ========== REPORT PANEL ========== */
        .report-panel {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: var(--spacing-6);
            box-shadow: var(--shadow-md);
            position: relative;
            overflow: hidden;
        }

        .report-panel::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .report-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: var(--spacing-5);
            padding-bottom: var(--spacing-4);
            border-bottom: 1px solid var(--border);
            flex-wrap: wrap;
            gap: var(--spacing-3);
        }

        .report-title {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .report-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: rgba(245, 158, 11, 0.12);
            color: var(--orange);
            padding: 5px 12px;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            border: 1px solid rgba(245, 158, 11, 0.2);
        }

        .report-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-5);
        }

        .report-chart-area {
            background: var(--bg-tertiary);
            border-radius: var(--radius-md);
            padding: var(--spacing-5);
            min-height: 300px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .chart-bar-group {
            display: flex;
            align-items: flex-end;
            gap: var(--spacing-3);
            height: 200px;
            padding: 0 var(--spacing-2);
        }

        .chart-bar {
            flex: 1;
            background: linear-gradient(180deg, var(--accent), rgba(34, 211, 238, 0.2));
            border-radius: 4px 4px 0 0;
            transition: var(--transition-smooth);
            position: relative;
            min-height: 20px;
        }

        .chart-bar:hover {
            background: linear-gradient(180deg, var(--green), rgba(16, 185, 129, 0.25));
            transform: scaleY(1.02);
            transform-origin: bottom;
        }

        .chart-bar-label {
            text-align: center;
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 8px;
        }

        .report-tags {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-2);
        }

        .tag {
            display: inline-flex;
            align-items: center;
            padding: 5px 12px;
            background: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: 999px;
            font-size: 0.8rem;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .tag:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(34, 211, 238, 0.06);
        }

        /* ========== STEPS ========== */
        .step-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: var(--spacing-4);
            counter-reset: step;
        }

        .step-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-5);
            position: relative;
            counter-increment: step;
            transition: var(--transition-base);
        }

        .step-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(34, 211, 238, 0.1);
            color: var(--accent);
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: var(--spacing-3);
        }

        .step-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-2);
        }

        .step-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== SCENARIO ========== */
        .scenario-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-5);
        }

        .scenario-item {
            display: flex;
            gap: var(--spacing-4);
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-5);
            transition: var(--transition-base);
        }

        .scenario-item:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .scenario-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(34, 211, 238, 0.1);
            color: var(--accent);
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .scenario-content h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-1);
        }

        .scenario-content p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== TABLE ========== */
        .data-table-wrapper {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }

        .data-table thead {
            background: var(--bg-tertiary);
        }

        .data-table th {
            padding: 14px 18px;
            text-align: left;
            font-weight: 600;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border);
            font-size: 0.85rem;
            white-space: nowrap;
        }

        .data-table td {
            padding: 14px 18px;
            border-bottom: 1px solid var(--border);
            color: var(--text-primary);
        }

        .data-table tr:last-child td {
            border-bottom: none;
        }

        .data-table tbody tr {
            transition: var(--transition-base);
        }
        .data-table tbody tr:hover {
            background: rgba(34, 211, 238, 0.04);
        }

        .trend-up {
            color: var(--green);
            font-weight: 600;
        }
        .trend-down {
            color: var(--danger);
            font-weight: 600;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-3);
            overflow: hidden;
            transition: var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--border-light);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-4) var(--spacing-5);
            cursor: pointer;
            font-weight: 600;
            color: var(--text-primary);
            font-size: 0.98rem;
            gap: var(--spacing-3);
            user-select: none;
            transition: var(--transition-base);
        }

        .faq-question:hover {
            color: var(--accent);
        }

        .faq-question i {
            color: var(--text-muted);
            transition: var(--transition-base);
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--accent);
        }

        .faq-answer {
            padding: 0 var(--spacing-5) var(--spacing-4);
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.8;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
            animation: fadeIn 0.3s ease;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(-6px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-secondary) 0%, #0d1425 40%, var(--bg-primary) 100%);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: var(--spacing-8) 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -150px;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 400px;
            background: radial-gradient(ellipse, rgba(34, 211, 238, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-panel {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-xl);
            padding: var(--spacing-7);
            box-shadow: var(--shadow-lg);
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-panel h2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: var(--spacing-3);
        }

        .cta-panel p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.8;
            margin-bottom: var(--spacing-5);
        }

        .cta-btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-3);
            justify-content: center;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            padding: var(--spacing-8) 0 var(--spacing-5);
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-6);
            margin-bottom: var(--spacing-6);
            padding-bottom: var(--spacing-5);
            border-bottom: 1px solid var(--border);
        }

        .footer-brand h3 {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: var(--spacing-3);
        }

        .footer-logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent), var(--accent-strong));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.8rem;
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.88rem;
            line-height: 1.7;
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-3);
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: var(--spacing-2);
        }

        .footer-col ul a {
            color: var(--text-muted);
            font-size: 0.88rem;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition-base);
        }

        .footer-col ul a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-col ul i {
            font-size: 0.7rem;
            color: var(--text-muted);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-3);
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .footer-beian {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-3);
            align-items: center;
        }

        .footer-beian span {
            color: var(--text-muted);
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-3);
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.82rem;
        }
        .footer-links a:hover {
            color: var(--accent);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.6rem;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .main-nav {
                order: 3;
                width: 100%;
                justify-content: flex-start;
                overflow-x: auto;
                padding-bottom: var(--spacing-2);
                scrollbar-width: thin;
                scrollbar-color: var(--border) transparent;
            }
            .main-nav::-webkit-scrollbar {
                height: 4px;
            }
            .main-nav::-webkit-scrollbar-thumb {
                background: var(--border);
                border-radius: 999px;
            }
            .main-nav a {
                padding: 6px 12px;
                font-size: 0.82rem;
            }
            .search-box {
                min-width: 140px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-5);
            }
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: auto;
                padding: var(--spacing-7) 0;
            }
            .hero-title {
                font-size: 2.1rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-visual {
                margin-top: var(--spacing-5);
            }
            .section-title {
                font-size: 1.7rem;
            }
            .report-grid {
                grid-template-columns: 1fr;
            }
            .scenario-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-4);
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }
            .header-inner {
                gap: var(--spacing-3);
            }
            .nav-actions .search-box {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .main-nav {
                display: none;
            }
            .main-nav.mobile-open {
                display: flex;
            }
            .data-table-wrapper {
                overflow-x: auto;
            }
            .data-table {
                min-width: 600px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 var(--spacing-4);
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .btn-primary-lg,
            .btn-outline-lg {
                width: 100%;
                justify-content: center;
            }
            .hero-stats {
                gap: var(--spacing-3);
            }
            .hero-stat .stat-num {
                font-size: 1.4rem;
            }
            .section {
                padding: var(--spacing-6) 0;
            }
            .metric-grid {
                grid-template-columns: 1fr 1fr;
            }
            .step-list {
                grid-template-columns: 1fr;
            }
            .cta-panel {
                padding: var(--spacing-5);
            }
            .cta-panel h2 {
                font-size: 1.5rem;
            }
            .logo-text .logo-name {
                font-size: 1rem;
            }
            .btn-nav-cta {
                padding: 6px 12px;
                font-size: 0.78rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0b0e13;
            --bg-secondary: #121620;
            --bg-tertiary: #1a1f2e;
            --bg-card: #161b28;
            --bg-elevated: #1e2433;
            --text-primary: #f0f2f5;
            --text-secondary: #b8c0ce;
            --text-muted: #7c8598;
            --accent: #22d3ee;
            --accent-strong: #06b6d4;
            --accent-glow: rgba(34, 211, 238, 0.25);
            --accent-rgb: 34, 211, 238;
            --green: #10b981;
            --green-glow: rgba(16, 185, 129, 0.25);
            --orange: #f59e0b;
            --orange-glow: rgba(245, 158, 11, 0.25);
            --danger: #ef4444;
            --danger-glow: rgba(239, 68, 68, 0.25);
            --border: #2a3040;
            --border-light: #353d52;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 32px rgba(34, 211, 238, 0.15);
            --font-base: 'Inter', 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', -apple-system, 'Segoe UI', sans-serif;
            --spacing-1: 4px;
            --spacing-2: 8px;
            --spacing-3: 12px;
            --spacing-4: 16px;
            --spacing-5: 24px;
            --spacing-6: 32px;
            --spacing-7: 48px;
            --spacing-8: 64px;
            --spacing-9: 80px;
            --spacing-10: 104px;
            --transition-base: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1216px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
            line-height: 1.6;
        }

        body {
            font-family: var(--font-base);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--accent-strong);
        }
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible, input:focus-visible, select:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-5);
            width: 100%;
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 14, 19, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
            transition: var(--transition-base);
        }
        .site-header.is-scrolled {
            box-shadow: var(--shadow-md);
            background: rgba(11, 14, 19, 0.96);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-4);
            padding: var(--spacing-3) var(--spacing-5);
            max-width: var(--max-width);
            margin: 0 auto;
            min-height: 62px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: var(--spacing-2);
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: var(--transition-base);
        }
        .logo-link:hover {
            color: var(--accent);
            transform: translateY(-1px);
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent), var(--accent-strong));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.9rem;
            flex-shrink: 0;
            box-shadow: var(--shadow-glow);
        }
        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }
        .logo-text .logo-name {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-primary);
        }
        .logo-text .logo-sub {
            font-size: 0.62rem;
            font-weight: 500;
            color: var(--text-muted);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            gap: var(--spacing-3);
            flex: 1;
            justify-content: center;
            min-width: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-1);
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .main-nav::-webkit-scrollbar {
            display: none;
        }
        .main-nav a {
            display: flex;
            align-items: center;
            gap: var(--spacing-1);
            padding: var(--spacing-2) var(--spacing-3);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: var(--transition-base);
            position: relative;
            flex-shrink: 0;
        }
        .main-nav a:hover {
            color: var(--text-primary);
            background: var(--bg-tertiary);
        }
        .main-nav a.active {
            color: var(--accent);
            background: rgba(34, 211, 238, 0.08);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 16px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .nav-icon {
            font-size: 0.85rem;
            width: 16px;
            text-align: center;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-3);
            flex-shrink: 0;
        }
        .header-search {
            display: flex;
            align-items: center;
            gap: var(--spacing-2);
            background: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: var(--spacing-2) var(--spacing-4);
            min-width: 160px;
            transition: var(--transition-base);
        }
        .header-search:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px var(--accent-glow);
        }
        .header-search i {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .header-search input {
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 0.85rem;
            width: 100%;
            outline: none;
        }
        .header-search input::placeholder {
            color: var(--text-muted);
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: var(--spacing-2);
            padding: var(--spacing-2) var(--spacing-4);
            background: linear-gradient(135deg, var(--accent), var(--accent-strong));
            color: #fff;
            font-size: 0.85rem;
            font-weight: 600;
            border-radius: 999px;
            white-space: nowrap;
            box-shadow: var(--shadow-glow);
            transition: var(--transition-base);
        }
        .header-cta:hover {
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 24px var(--accent-glow);
        }
        .mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            font-size: 1.1rem;
            transition: var(--transition-base);
            flex-shrink: 0;
        }
        .mobile-toggle:hover {
            color: var(--text-primary);
            background: var(--bg-tertiary);
        }

        /* ========== INNER BANNER ========== */
        .inner-banner {
            position: relative;
            padding: var(--spacing-8) 0 var(--spacing-7);
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }
        .inner-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
            opacity: 0.22;
            pointer-events: none;
        }
        .inner-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 14, 19, 0.75) 0%, rgba(11, 14, 19, 0.85) 55%, rgba(11, 14, 19, 0.96) 100%);
            pointer-events: none;
        }
        .inner-banner .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: var(--spacing-2);
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: var(--spacing-4);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .sep {
            color: var(--border-light);
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: var(--accent);
            font-weight: 500;
        }
        .inner-banner-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: var(--spacing-7);
            align-items: center;
        }
        .inner-banner h1 {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1.2;
            margin: 0 0 var(--spacing-3);
            color: var(--text-primary);
        }
        .inner-banner h1 .highlight {
            background: linear-gradient(135deg, var(--accent), #67e8f9);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .inner-banner .banner-desc {
            font-size: 1.03rem;
            color: var(--text-secondary);
            line-height: 1.75;
            max-width: 560px;
            margin: 0 0 var(--spacing-5);
        }
        .banner-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-3);
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: var(--spacing-2);
            padding: var(--spacing-3) var(--spacing-5);
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
            white-space: nowrap;
            line-height: 1.5;
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent), var(--accent-strong));
            color: #fff;
            box-shadow: var(--shadow-glow);
        }
        .btn-primary:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 32px var(--accent-glow);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-light);
        }
        .btn-outline:hover {
            color: var(--accent);
            border-color: var(--accent);
            background: rgba(34, 211, 238, 0.06);
        }
        .banner-trust {
            display: flex;
            align-items: center;
            gap: var(--spacing-3);
            flex-wrap: wrap;
            margin-top: var(--spacing-4);
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .banner-trust span {
            display: flex;
            align-items: center;
            gap: var(--spacing-1);
        }
        .banner-trust i {
            color: var(--green);
            font-size: 0.75rem;
        }
        .banner-panel {
            background: rgba(22, 27, 40, 0.72);
            backdrop-filter: blur(14px);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-5);
            box-shadow: var(--shadow-lg);
        }
        .banner-panel .panel-label {
            font-size: 0.72rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--text-muted);
            margin-bottom: var(--spacing-3);
        }
        .mini-score-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-2);
        }
        .mini-score-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-3);
            padding: var(--spacing-2) var(--spacing-3);
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.04);
            font-size: 0.85rem;
        }
        .mini-score-item .teams {
            display: flex;
            align-items: center;
            gap: var(--spacing-2);
            flex: 1;
            min-width: 0;
        }
        .mini-score-item .teams span {
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .mini-score-item .score {
            font-weight: 700;
            color: var(--accent);
            font-size: 0.92rem;
            white-space: nowrap;
        }
        .mini-score-item .status {
            font-size: 0.7rem;
            color: var(--green);
            background: var(--green-glow);
            padding: 2px 8px;
            border-radius: 999px;
            white-space: nowrap;
        }

        /* ========== SECTION GENERAL ========== */
        .section {
            padding: var(--spacing-8) 0;
        }
        .section-alt {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-header {
            margin-bottom: var(--spacing-6);
        }
        .section-header .section-tag {
            display: inline-flex;
            align-items: center;
            gap: var(--spacing-2);
            font-size: 0.78rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.07em;
            color: var(--accent);
            background: rgba(34, 211, 238, 0.1);
            border: 1px solid rgba(34, 211, 238, 0.2);
            padding: var(--spacing-1) var(--spacing-3);
            border-radius: 999px;
            margin-bottom: var(--spacing-3);
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin: 0 0 var(--spacing-3);
            color: var(--text-primary);
        }
        .section-header .section-lead {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.75;
            max-width: 680px;
            margin: 0;
        }

        /* ========== STATS ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-4);
        }
        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: var(--spacing-5);
            text-align: center;
            transition: var(--transition-smooth);
        }
        .stat-card:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .stat-card .stat-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            margin: 0 auto var(--spacing-3);
            background: rgba(34, 211, 238, 0.1);
            color: var(--accent);
        }
        .stat-card .stat-weigh {
            font-size: 0.78rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: var(--text-muted);
            margin-bottom: var(--spacing-2);
        }
        .stat-card .stat-value {
            font-size: 2.1rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            color: var(--text-primary);
            line-height: 1.2;
        }
        .stat-card .stat-value .unit {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--accent);
            margin-left: 2px;
        }
        .stat-card .stat-desc {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: var(--spacing-2);
        }

        /* ========== FEATURES DETAIL ========== */
        .features-detail-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-6);
            align-items: start;
        }
        .features-detail-left {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-4);
        }
        .feature-detail-item {
            display: flex;
            gap: var(--spacing-3);
            padding: var(--spacing-4);
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: var(--transition-smooth);
        }
        .feature-detail-item:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }
        .feature-detail-item .fd-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            background: rgba(34, 211, 238, 0.1);
            color: var(--accent);
        }
        .feature-detail-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0 0 var(--spacing-1);
            color: var(--text-primary);
        }
        .feature-detail-item p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
        }
        .features-detail-right {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-4);
        }
        .feature-visual-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            aspect-ratio: 16/10;
        }
        .feature-visual-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .feature-visual-card:hover img {
            transform: scale(1.04);
        }
        .feature-visual-card .fv-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 14, 19, 0.1) 30%, rgba(11, 14, 19, 0.85) 100%);
            display: flex;
            align-items: flex-end;
            padding: var(--spacing-5);
        }
        .feature-visual-card .fv-overlay p {
            margin: 0;
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
        }
        .feature-visual-card .fv-badge {
            position: absolute;
            top: var(--spacing-3);
            right: var(--spacing-3);
            background: rgba(0, 0, 0, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 600;
            padding: var(--spacing-1) var(--spacing-3);
            border-radius: 999px;
            backdrop-filter: blur(6px);
        }

        /* ========== COVERAGE ========== */
        .coverage-wrap {
            display: grid;
            grid-template-columns: 1fr 1.4fr;
            gap: var(--spacing-6);
            align-items: center;
        }
        .coverage-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 0 0 var(--spacing-3);
            color: var(--text-primary);
        }
        .coverage-text p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0 0 var(--spacing-3);
        }
        .coverage-tags {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-2);
        }
        .coverage-tag {
            display: inline-flex;
            align-items: center;
            gap: var(--spacing-1);
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-card);
            border: 1px solid var(--border);
            padding: var(--spacing-1) var(--spacing-3);
            border-radius: 999px;
            transition: var(--transition-base);
        }
        .coverage-tag:hover {
            color: var(--accent);
            border-color: var(--accent);
            background: rgba(34, 211, 238, 0.06);
        }
        .coverage-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            aspect-ratio: 16/10;
        }
        .coverage-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .coverage-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 14, 19, 0.06) 40%, rgba(11, 14, 19, 0.7) 100%);
            pointer-events: none;
        }
        .coverage-visual .cv-caption {
            position: absolute;
            bottom: var(--spacing-3);
            left: var(--spacing-4);
            right: var(--spacing-4);
            z-index: 2;
            color: #fff;
            font-size: 0.85rem;
            font-weight: 500;
            text-shadow: 0 2px 6px rgba(0, 0, 0, 0.6);
        }

        /* ========== SCENARIOS ========== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-4);
        }
        .scenario-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: var(--spacing-5);
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .scenario-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), transparent);
            opacity: 0;
            transition: var(--transition-smooth);
        }
        .scenario-card:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .scenario-card:hover::before {
            opacity: 1;
        }
        .scenario-card .sc-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            margin-bottom: var(--spacing-3);
            background: rgba(245, 158, 11, 0.12);
            color: var(--orange);
        }
        .scenario-card:nth-child(2) .sc-icon {
            background: rgba(34, 211, 238, 0.12);
            color: var(--accent);
        }
        .scenario-card:nth-child(3) .sc-icon {
            background: rgba(16, 185, 129, 0.12);
            color: var(--green);
        }
        .scenario-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0 0 var(--spacing-2);
            color: var(--text-primary);
        }
        .scenario-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== RELIABILITY ========== */
        .reliability-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-6);
            align-items: center;
        }
        .reliability-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-3);
        }
        .reliability-item {
            display: flex;
            gap: var(--spacing-3);
            align-items: flex-start;
            padding: var(--spacing-3);
            background: rgba(255, 255, 255, 0.02);
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.04);
        }
        .reliability-item .ri-check {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            background: var(--green-glow);
            color: var(--green);
            margin-top: 4px;
        }
        .reliability-item p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
        }
        .reliability-item strong {
            color: var(--text-primary);
            font-weight: 600;
        }
        .reliability-visual {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-5);
        }
        .reliability-visual h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin: 0 0 var(--spacing-3);
            color: var(--text-primary);
        }
        .latency-bars {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-3);
        }
        .latency-bar-item {
            display: flex;
            align-items: center;
            gap: var(--spacing-2);
        }
        .latency-bar-item .lb-label {
            font-size: 0.82rem;
            color: var(--text-secondary);
            width: 100px;
            white-space: nowrap;
        }
        .latency-bar-item .lb-track {
            flex: 1;
            height: 6px;
            background: var(--bg-tertiary);
            border-radius: 999px;
            overflow: hidden;
        }
        .latency-bar-item .lb-fill {
            height: 100%;
            border-radius: 999px;
            background: linear-gradient(90deg, var(--accent-strong), var(--accent));
        }
        .latency-bar-item .lb-value {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent);
            width: 40px;
            text-align: right;
            white-space: nowrap;
        }

        /* ========== PROCESS ========== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-4);
        }
        .process-step {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: var(--spacing-5);
            text-align: center;
            position: relative;
            transition: var(--transition-smooth);
        }
        .process-step:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-sm);
            transform: translateY(-3px);
        }
        .process-step .ps-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            font-weight: 800;
            margin: 0 auto var(--spacing-3);
            background: linear-gradient(135deg, var(--accent), var(--accent-strong));
            color: #fff;
            box-shadow: var(--shadow-glow);
        }
        .process-step h3 {
            font-size: 1rem;
            font-weight: 700;
            margin: 0 0 var(--spacing-2);
            color: var(--text-primary);
        }
        .process-step p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        /* ========== FAQ ========== */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: var(--spacing-2);
            background: var(--bg-card);
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-item:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px var(--accent-glow);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-3);
            padding: var(--spacing-4) var(--spacing-5);
            cursor: pointer;
            font-size: 0.97rem;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            width: 100%;
            transition: var(--transition-base);
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-question .faq-chevron {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-tertiary);
            font-size: 0.7rem;
            transition: transform 0.3s ease;
            color: var(--text-muted);
        }
        .faq-item.active .faq-chevron {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
            padding: 0 var(--spacing-5);
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 var(--spacing-5) var(--spacing-4);
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: var(--spacing-8) 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            pointer-events: none;
        }
        .cta-box {
            position: relative;
            z-index: 2;
            background: rgba(18, 22, 32, 0.88);
            backdrop-filter: blur(16px);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: var(--spacing-7);
            text-align: center;
            box-shadow: var(--shadow-lg);
        }
        .cta-box h2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin: 0 0 var(--spacing-3);
            color: var(--text-primary);
        }
        .cta-box p {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto var(--spacing-5);
            line-height: 1.75;
        }
        .cta-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: var(--spacing-3);
            flex-wrap: wrap;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            padding: var(--spacing-7) 0 var(--spacing-4);
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: var(--spacing-6);
            margin-bottom: var(--spacing-6);
        }
        .footer-brand h3 {
            display: flex;
            align-items: center;
            gap: var(--spacing-2);
            font-size: 1.3rem;
            font-weight: 800;
            margin: 0 0 var(--spacing-3);
            color: var(--text-primary);
        }
        .footer-logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--accent), var(--accent-strong));
            color: #fff;
            font-size: 0.85rem;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 0.82rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: var(--text-primary);
            margin: 0 0 var(--spacing-3);
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-2);
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: var(--spacing-2);
        }
        .footer-col ul li a i {
            font-size: 0.65rem;
            color: var(--text-muted);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: var(--spacing-4);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-3);
            flex-wrap: wrap;
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .footer-bottom p {
            margin: 0;
        }
        .footer-beian {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-3);
            margin-top: var(--spacing-1);
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .footer-beian span {
            white-space: nowrap;
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: var(--spacing-3);
            flex-wrap: wrap;
        }
        .footer-bottom-links a {
            color: var(--text-muted);
            font-size: 0.78rem;
        }
        .footer-bottom-links a:hover {
            color: var(--accent);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .header-search {
                display: none;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .inner-banner-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-5);
            }
            .banner-panel {
                max-width: 520px;
            }
        }
        @media (max-width: 820px) {
            .main-nav {
                gap: 0;
            }
            .main-nav a {
                padding: var(--spacing-2) var(--spacing-2);
                font-size: 0.82rem;
            }
            .header-cta {
                padding: var(--spacing-2) var(--spacing-3);
                font-size: 0.8rem;
            }
            .features-detail-grid {
                grid-template-columns: 1fr;
            }
            .coverage-wrap {
                grid-template-columns: 1fr;
            }
            .reliability-wrap {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 720px) {
            .header-inner {
                flex-wrap: wrap;
                padding: var(--spacing-2) var(--spacing-3);
                gap: var(--spacing-2);
            }
            .mobile-toggle {
                display: flex;
            }
            .nav-wrap {
                order: 3;
                flex-basis: 100%;
                justify-content: flex-start;
                overflow-x: auto;
                padding-bottom: var(--spacing-1);
            }
            .main-nav a {
                font-size: 0.8rem;
                padding: var(--spacing-1) var(--spacing-2);
            }
            .header-cta {
                font-size: 0.78rem;
                padding: var(--spacing-2) var(--spacing-3);
            }
            .inner-banner h1 {
                font-size: 2rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-3);
            }
            .stat-card .stat-value {
                font-size: 1.6rem;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .section {
                padding: var(--spacing-6) 0;
            }
            .section-header h2 {
                font-size: 1.55rem;
            }
            .cta-box {
                padding: var(--spacing-5);
            }
            .cta-box h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-4);
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .inner-banner h1 {
                font-size: 1.7rem;
            }
            .banner-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .banner-actions .btn {
                width: 100%;
            }
            .banner-panel {
                padding: var(--spacing-3);
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #0b0e13;
            --bg-secondary: #121620;
            --bg-tertiary: #1a1f2e;
            --bg-card: #161b28;
            --bg-elevated: #1e2433;
            --text-primary: #f0f2f5;
            --text-secondary: #b8c0ce;
            --text-muted: #7c8598;
            --accent: #22d3ee;
            --accent-strong: #06b6d4;
            --accent-glow: rgba(34, 211, 238, 0.25);
            --accent-rgb: 34, 211, 238;
            --green: #10b981;
            --green-glow: rgba(16, 185, 129, 0.25);
            --orange: #f59e0b;
            --orange-glow: rgba(245, 158, 11, 0.25);
            --danger: #ef4444;
            --danger-glow: rgba(239, 68, 68, 0.25);
            --border: #2a3040;
            --border-light: #353d52;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 32px rgba(34, 211, 238, 0.15);
            --font-base: 'Inter', 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', -apple-system, 'Segoe UI', sans-serif;
            --spacing-1: 4px;
            --spacing-2: 8px;
            --spacing-3: 12px;
            --spacing-4: 16px;
            --spacing-5: 24px;
            --spacing-6: 32px;
            --spacing-7: 48px;
            --spacing-8: 64px;
            --spacing-9: 80px;
            --spacing-10: 104px;
            --transition-base: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1216px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
            line-height: 1.6;
        }

        body {
            font-family: var(--font-base);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: var(--transition-base);
        }

        a:hover {
            color: var(--accent-strong);
        }

        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-5);
            width: 100%;
            box-sizing: border-box;
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 14, 19, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
            transition: var(--transition-base);
        }
        .site-header.is-scrolled {
            box-shadow: var(--shadow-md);
            background: rgba(11, 14, 19, 0.96);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-4);
            padding: var(--spacing-3) var(--spacing-5);
            max-width: var(--max-width);
            margin: 0 auto;
            min-height: 62px;
            box-sizing: border-box;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: var(--spacing-2);
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: var(--transition-base);
        }
        .logo-link:hover {
            color: var(--accent);
            transform: translateY(-1px);
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent), var(--accent-strong));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.9rem;
            flex-shrink: 0;
            box-shadow: var(--shadow-glow);
        }
        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }
        .logo-text .logo-name {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-primary);
        }
        .logo-text .logo-sub {
            font-size: 0.65rem;
            font-weight: 500;
            color: var(--text-muted);
            letter-spacing: 0.08em;
            text-transform: uppercase;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-2);
            flex-wrap: wrap;
            justify-content: center;
        }
        .main-nav a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.01em;
            transition: var(--transition-base);
            white-space: nowrap;
            position: relative;
        }
        .main-nav a:hover {
            color: var(--text-primary);
            background: var(--bg-card);
        }
        .main-nav a.active {
            color: var(--accent);
            background: rgba(34, 211, 238, 0.12);
            box-shadow: inset 0 0 0 1px rgba(34, 211, 238, 0.25);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
        }
        .nav-icon {
            font-size: 0.75rem;
            color: var(--accent);
            opacity: 0.85;
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: var(--spacing-2);
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 6px 12px;
            color: var(--text-muted);
            font-size: 0.82rem;
            width: 160px;
            transition: var(--transition-base);
        }
        .nav-search:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px var(--accent-glow);
        }
        .nav-search i {
            font-size: 0.75rem;
        }
        .nav-search input {
            background: none;
            border: none;
            color: var(--text-primary);
            width: 100%;
            font-size: 0.82rem;
            outline: none;
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: linear-gradient(135deg, var(--accent), var(--accent-strong));
            color: #fff;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.82rem;
            font-weight: 700;
            transition: var(--transition-base);
            white-space: nowrap;
            box-shadow: var(--shadow-glow);
        }
        .nav-cta:hover {
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 20px rgba(34, 211, 238, 0.35);
        }
        .mobile-menu-btn {
            display: none;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 8px 10px;
            color: var(--text-primary);
            font-size: 1rem;
        }

        /* ========== PAGE HERO ========== */
        .page-hero {
            position: relative;
            overflow: hidden;
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border);
            min-height: 420px;
            display: flex;
            align-items: center;
        }
        .page-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            pointer-events: none;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11,14,19,0.6) 0%, rgba(11,14,19,0.9) 70%, rgba(11,14,19,1) 100%);
            pointer-events: none;
        }
        .page-hero-content {
            position: relative;
            z-index: 2;
            padding: var(--spacing-8) 0 var(--spacing-7);
            max-width: 860px;
        }
        .page-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(34, 211, 238, 0.15);
            border: 1px solid rgba(34, 211, 238, 0.3);
            color: var(--accent);
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            margin-bottom: var(--spacing-4);
            letter-spacing: 0.03em;
        }
        .page-hero h1 {
            font-size: 2.8rem;
            line-height: 1.2;
            font-weight: 800;
            letter-spacing: -0.03em;
            margin: 0 0 var(--spacing-4);
            color: var(--text-primary);
        }
        .page-hero h1 .highlight {
            background: linear-gradient(135deg, var(--accent) 10%, #67e8f9 90%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-hero p {
            font-size: 1.12rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0 0 var(--spacing-5);
            max-width: 680px;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-3);
            align-items: center;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 700;
            letter-spacing: 0.01em;
            transition: var(--transition-base);
            border: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent), var(--accent-strong));
            color: #fff;
            box-shadow: var(--shadow-glow);
        }
        .btn-primary:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(34, 211, 238, 0.4);
        }
        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-light);
        }
        .btn-secondary:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(34, 211, 238, 0.08);
        }
        .btn-lg {
            padding: 14px 30px;
            font-size: 1rem;
            border-radius: var(--radius-lg);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 0.82rem;
            border-radius: var(--radius-sm);
        }
        .btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-3);
            align-items: center;
        }
        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-5);
            margin-top: var(--spacing-5);
            padding-top: var(--spacing-5);
            border-top: 1px solid var(--border);
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero-stat .stat-num {
            font-size: 1.55rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }
        .hero-stat .stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: var(--spacing-8) 0;
            position: relative;
        }
        .section-alt {
            background: var(--bg-secondary);
        }
        .section-head {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: var(--spacing-5);
            margin-bottom: var(--spacing-6);
            flex-wrap: wrap;
        }
        .section-title {
            font-size: 1.85rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            margin: 0 0 var(--spacing-2);
            line-height: 1.25;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
            max-width: 620px;
        }
        .section-more {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            display: flex;
            align-items: center;
            gap: 4px;
            white-space: nowrap;
        }
        .section-more:hover {
            color: var(--accent-strong);
        }

        /* Cards */
        .grid {
            display: grid;
            gap: var(--spacing-5);
        }
        .grid-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .grid-3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .grid-4 {
            grid-template-columns: repeat(4, 1fr);
        }
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-5);
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .card:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            margin-bottom: var(--spacing-4);
            flex-shrink: 0;
        }
        .card-icon.cyan {
            background: rgba(34, 211, 238, 0.15);
            color: var(--accent);
        }
        .card-icon.green {
            background: var(--green-glow);
            color: var(--green);
        }
        .card-icon.orange {
            background: var(--orange-glow);
            color: var(--orange);
        }
        .card-icon.red {
            background: var(--danger-glow);
            color: var(--danger);
        }
        .card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 var(--spacing-2);
            line-height: 1.35;
        }
        .card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
        }
        .card-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 50px;
            font-size: 0.72rem;
            font-weight: 600;
            margin-bottom: var(--spacing-3);
            letter-spacing: 0.02em;
        }
        .tag-cyan {
            background: rgba(34, 211, 238, 0.15);
            color: var(--accent);
            border: 1px solid rgba(34, 211, 238, 0.25);
        }
        .tag-green {
            background: var(--green-glow);
            color: var(--green);
            border: 1px solid rgba(16, 185, 129, 0.25);
        }
        .tag-orange {
            background: var(--orange-glow);
            color: var(--orange);
            border: 1px solid rgba(245, 158, 11, 0.25);
        }

        /* Image cards */
        .img-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            background: var(--bg-card);
            transition: var(--transition-smooth);
            position: relative;
        }
        .img-card:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .img-card img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }
        .img-card-body {
            padding: var(--spacing-4);
        }
        .img-card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 var(--spacing-2);
        }
        .img-card-body p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.65;
        }

        /* Feature list */
        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-3);
        }
        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-3);
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }
        .feature-list li i {
            color: var(--accent);
            font-size: 0.9rem;
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* Split feature */
        .split-feature {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-7);
            align-items: center;
        }
        .split-feature.reverse {
            direction: rtl;
        }
        .split-feature.reverse > * {
            direction: ltr;
        }
        .split-media {
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border);
            background: var(--bg-card);
            box-shadow: var(--shadow-md);
        }
        .split-media img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }
        .split-text h2 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            margin: 0 0 var(--spacing-3);
            line-height: 1.3;
        }
        .split-text p {
            font-size: 0.98rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0 0 var(--spacing-4);
        }

        /* Stats band */
        .stats-band {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-4);
            background: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: var(--spacing-6);
        }
        .stat-item {
            text-align: center;
            padding: var(--spacing-3);
        }
        .stat-item .stat-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -0.03em;
            line-height: 1.2;
        }
        .stat-item .stat-name {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: var(--spacing-1);
        }

        /* Process steps */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-4);
            counter-reset: step;
        }
        .process-step {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-5);
            position: relative;
            transition: var(--transition-base);
        }
        .process-step:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-glow);
        }
        .process-step .step-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--accent-strong));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.95rem;
            margin-bottom: var(--spacing-3);
        }
        .process-step h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 var(--spacing-2);
        }
        .process-step p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        /* News items */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-3);
        }
        .news-item {
            display: flex;
            gap: var(--spacing-4);
            align-items: flex-start;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: var(--spacing-4);
            transition: var(--transition-base);
        }
        .news-item:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .news-date {
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-width: 64px;
            background: var(--bg-elevated);
            border-radius: var(--radius-sm);
            padding: var(--spacing-2);
        }
        .news-date .day {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.1;
        }
        .news-date .month {
            font-size: 0.7rem;
            color: var(--text-muted);
            letter-spacing: 0.05em;
        }
        .news-content h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 var(--spacing-1);
            line-height: 1.4;
        }
        .news-content p {
            font-size: 0.82rem;
            color: var(--text-secondary);
            margin: 0 0 var(--spacing-2);
            line-height: 1.6;
        }
        .news-content .news-link {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-3);
            max-width: 860px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-3);
            padding: var(--spacing-4) var(--spacing-5);
            cursor: pointer;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-primary);
            transition: var(--transition-base);
            user-select: none;
        }
        .faq-question i {
            color: var(--accent);
            transition: var(--transition-base);
            font-size: 0.8rem;
            flex-shrink: 0;
        }
        .faq-answer {
            padding: 0 var(--spacing-5) var(--spacing-4);
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.75;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 50%, rgba(34, 211, 238, 0.08) 100%);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: var(--spacing-8) 0;
            text-align: center;
        }
        .cta-section .cta-title {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            margin: 0 0 var(--spacing-3);
        }
        .cta-section .cta-text {
            font-size: 1rem;
            color: var(--text-secondary);
            margin: 0 auto var(--spacing-5);
            max-width: 620px;
            line-height: 1.7;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            padding: var(--spacing-7) 0 var(--spacing-5);
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: var(--spacing-6);
            margin-bottom: var(--spacing-6);
        }
        .footer-brand h3 {
            display: flex;
            align-items: center;
            gap: var(--spacing-2);
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0 0 var(--spacing-3);
        }
        .footer-logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent), var(--accent-strong));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.8rem;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 var(--spacing-3);
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-2);
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
            transform: translateX(2px);
        }
        .footer-col ul li a i {
            font-size: 0.65rem;
            color: var(--accent);
            opacity: 0.7;
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: var(--spacing-4);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-3);
        }
        .footer-bottom p {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin: 0;
        }
        .footer-beian {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-3);
            align-items: center;
        }
        .footer-links-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-3);
            font-size: 0.8rem;
        }
        .footer-links-bottom a {
            color: var(--text-muted);
        }
        .footer-links-bottom a:hover {
            color: var(--accent);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 2px;
            }
            .main-nav a {
                padding: 6px 10px;
                font-size: 0.78rem;
            }
            .nav-search {
                width: 120px;
            }
            .hero-stats-row {
                gap: var(--spacing-4);
            }
            .stats-band {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .split-feature {
                grid-template-columns: 1fr;
                gap: var(--spacing-5);
            }
            .split-media img {
                height: 280px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                gap: var(--spacing-2);
            }
            .main-nav {
                order: 3;
                width: 100%;
                justify-content: flex-start;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                padding-bottom: 2px;
                gap: 0;
                flex-wrap: nowrap;
            }
            .main-nav a {
                flex-shrink: 0;
                font-size: 0.75rem;
                padding: 6px 10px;
            }
            .nav-search {
                display: none;
            }
            .nav-cta {
                font-size: 0.75rem;
                padding: 7px 12px;
            }
            .page-hero {
                min-height: 360px;
            }
            .page-hero h1 {
                font-size: 1.9rem;
            }
            .page-hero p {
                font-size: 0.98rem;
            }
            .hero-stats-row {
                flex-direction: column;
                gap: var(--spacing-3);
            }
            .section {
                padding: var(--spacing-6) 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .stats-band {
                grid-template-columns: repeat(2, 1fr);
                padding: var(--spacing-4);
                gap: var(--spacing-3);
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-5);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
            .footer-beian {
                justify-content: center;
            }
            .footer-links-bottom {
                justify-content: center;
            }
            .news-item {
                flex-direction: column;
                gap: var(--spacing-2);
            }
            .news-date {
                flex-direction: row;
                gap: 6px;
                min-width: auto;
                padding: 4px 10px;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                padding: var(--spacing-2) var(--spacing-3);
            }
            .logo-text .logo-sub {
                display: none;
            }
            .nav-cta {
                font-size: 0.7rem;
                padding: 6px 10px;
            }
            .main-nav a {
                font-size: 0.7rem;
                padding: 5px 8px;
            }
            .page-hero h1 {
                font-size: 1.5rem;
            }
            .page-hero p {
                font-size: 0.9rem;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: flex-start;
            }
            .btn-lg {
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .stats-band {
                grid-template-columns: 1fr;
                gap: var(--spacing-2);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-4);
            }
            .footer-bottom {
                flex-direction: column;
                gap: var(--spacing-2);
            }
            .footer-beian {
                flex-direction: column;
                gap: 2px;
                font-size: 0.72rem;
            }
            .cta-section .cta-title {
                font-size: 1.4rem;
            }
            .split-media img {
                height: 200px;
            }
            .img-card img {
                height: 180px;
            }
        }

/* roulang page: category6 */
:root {
            --bg-primary: #0b0e13;
            --bg-secondary: #121620;
            --bg-tertiary: #1a1f2e;
            --bg-card: #161b28;
            --bg-elevated: #1e2433;
            --text-primary: #f0f2f5;
            --text-secondary: #b8c0ce;
            --text-muted: #7c8598;
            --accent: #22d3ee;
            --accent-strong: #06b6d4;
            --accent-glow: rgba(34, 211, 238, 0.25);
            --accent-rgb: 34, 211, 238;
            --green: #10b981;
            --green-glow: rgba(16, 185, 129, 0.3);
            --orange: #f59e0b;
            --orange-glow: rgba(245, 158, 11, 0.3);
            --danger: #ef4444;
            --danger-glow: rgba(239, 68, 68, 0.3);
            --border: #2a3040;
            --border-light: #353d52;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 32px rgba(34, 211, 238, 0.15);
            --font-base: 'Inter', 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', -apple-system, 'Segoe UI', sans-serif;
            --spacing-1: 4px;
            --spacing-2: 8px;
            --spacing-3: 12px;
            --spacing-4: 16px;
            --spacing-5: 24px;
            --spacing-6: 32px;
            --spacing-7: 48px;
            --spacing-8: 64px;
            --spacing-9: 80px;
            --spacing-10: 104px;
            --transition-base: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1216px;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
            line-height: 1.6;
        }

        body {
            font-family: var(--font-base);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--accent-strong);
        }
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-5);
            width: 100%;
        }

        /* HEADER */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 14, 19, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
            transition: var(--transition-base);
        }
        .site-header.is-scrolled {
            box-shadow: var(--shadow-md);
            background: rgba(11, 14, 19, 0.96);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-4);
            padding: var(--spacing-3) var(--spacing-5);
            max-width: var(--max-width);
            margin: 0 auto;
            min-height: 62px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: var(--spacing-2);
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: var(--transition-base);
        }
        .logo-link:hover {
            color: var(--accent);
            transform: translateY(-1px);
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent), var(--accent-strong));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.9rem;
            flex-shrink: 0;
            box-shadow: var(--shadow-glow);
        }
        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }
        .logo-text .logo-name {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }
        .logo-text .logo-sub {
            font-size: 0.65rem;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--border) transparent;
            padding: 2px 0;
        }
        .main-nav::-webkit-scrollbar {
            height: 3px;
        }
        .main-nav::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 3px;
        }
        .main-nav a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            font-weight: 550;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: var(--transition-base);
            border: 1px solid transparent;
        }
        .main-nav a:hover {
            color: var(--text-primary);
            background: var(--bg-card);
            border-color: var(--border);
        }
        .main-nav a.active {
            color: var(--accent);
            background: rgba(34, 211, 238, 0.08);
            border-color: rgba(34, 211, 238, 0.25);
        }
        .nav-icon {
            font-size: 0.75rem;
            opacity: 0.75;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-2);
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 7px 12px;
            color: var(--text-muted);
            font-size: 0.8rem;
            transition: var(--transition-base);
            min-width: 160px;
        }
        .nav-search i {
            font-size: 0.7rem;
        }
        .nav-search span {
            user-select: none;
        }
        .nav-search:hover {
            border-color: var(--border-light);
            color: var(--text-secondary);
        }
        .nav-cta {
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            background: var(--accent);
            color: #0b0e13;
            font-size: 0.8rem;
            font-weight: 700;
            white-space: nowrap;
            transition: var(--transition-base);
            border: 1px solid transparent;
        }
        .nav-cta:hover {
            background: var(--accent-strong);
            color: #0b0e13;
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            font-size: 1.2rem;
            color: var(--text-primary);
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
            border: 1px solid var(--border);
        }
        .nav-toggle:hover {
            background: var(--bg-card);
        }

        /* MOBILE NAV */
        @media (max-width: 1024px) {
            .main-nav {
                display: none;
                position: absolute;
                top: 62px;
                left: 0;
                right: 0;
                flex-direction: column;
                background: var(--bg-secondary);
                border-bottom: 1px solid var(--border);
                padding: var(--spacing-3);
                gap: 2px;
                align-items: stretch;
                box-shadow: var(--shadow-md);
                max-height: 70vh;
                overflow-y: auto;
            }
            .main-nav.is-open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 16px;
                font-size: 0.9rem;
                border-radius: var(--radius-sm);
            }
            .nav-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .nav-search {
                min-width: auto;
                padding: 7px 10px;
            }
            .nav-search span {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                padding: var(--spacing-2) var(--spacing-3);
                gap: var(--spacing-2);
            }
            .logo-text .logo-sub {
                display: none;
            }
            .logo-text .logo-name {
                font-size: 1rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.75rem;
                border-radius: 8px;
            }
            .nav-cta {
                padding: 6px 10px;
                font-size: 0.7rem;
            }
            .nav-search {
                padding: 6px 8px;
                font-size: 0.7rem;
            }
        }

        /* PAGE BANNER */
        .page-banner {
            position: relative;
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border);
            padding: var(--spacing-6) 0 var(--spacing-5);
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--accent-strong), var(--green));
        }
        .banner-bg-pattern {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at top right, rgba(34, 211, 238, 0.08), transparent 55%);
            pointer-events: none;
        }
        .banner-content {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: var(--spacing-5);
        }
        .banner-text {
            flex: 1;
            min-width: 0;
        }
        .banner-breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: var(--spacing-3);
        }
        .banner-breadcrumb a {
            color: var(--text-muted);
        }
        .banner-breadcrumb a:hover {
            color: var(--accent);
        }
        .banner-breadcrumb i {
            font-size: 0.6rem;
        }
        .banner-text h1 {
            font-size: 2.4rem;
            font-weight: 800;
            letter-spacing: -0.025em;
            line-height: 1.2;
            margin-bottom: var(--spacing-3);
            color: var(--text-primary);
        }
        .banner-text h1 .highlight {
            color: var(--accent);
            position: relative;
        }
        .banner-text .banner-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.75;
        }
        .banner-meta {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: var(--spacing-3);
            flex-shrink: 0;
        }
        .banner-stat {
            text-align: right;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: var(--spacing-4) var(--spacing-5);
        }
        .banner-stat .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
        }
        .banner-stat .label {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* SECTION COMMON */
        .section {
            padding: var(--spacing-8) 0;
        }
        .section-alt {
            background: var(--bg-secondary);
        }
        .section-head {
            margin-bottom: var(--spacing-6);
            max-width: 720px;
        }
        .section-head .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: var(--spacing-2);
        }
        .section-head .eyebrow::before {
            content: '';
            width: 20px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .section-head h2 {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.3;
            margin-bottom: var(--spacing-3);
        }
        .section-head p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.75;
        }
        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-head.center .eyebrow::before {
            display: none;
        }
        .section-head.center .eyebrow::after {
            content: '';
            width: 20px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        /* BUTTONS */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 650;
            text-align: center;
            transition: var(--transition-base);
            border: 1px solid transparent;
            white-space: nowrap;
        }
        .btn i {
            font-size: 0.85rem;
        }
        .btn-primary {
            background: var(--accent);
            color: #0b0e13;
        }
        .btn-primary:hover {
            background: var(--accent-strong);
            color: #0b0e13;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(34, 211, 238, 0.3);
        }
        .btn-secondary {
            background: transparent;
            border-color: var(--border-light);
            color: var(--text-primary);
        }
        .btn-secondary:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(34, 211, 238, 0.05);
            transform: translateY(-2px);
        }
        .btn-green {
            background: var(--green);
            color: #0b0e13;
        }
        .btn-green:hover {
            background: #0ea371;
            color: #0b0e13;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(16, 185, 129, 0.3);
        }

        /* GRID CARDS */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-5);
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-5);
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-4);
        }

        /* DIMENSION CARDS */
        .dim-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-6);
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .dim-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--accent-strong));
            opacity: 0;
            transition: var(--transition-base);
        }
        .dim-card:hover {
            border-color: var(--border-light);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .dim-card:hover::before {
            opacity: 1;
        }
        .dim-card .dim-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(34, 211, 238, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--accent);
            margin-bottom: var(--spacing-4);
            transition: var(--transition-base);
        }
        .dim-card:hover .dim-icon {
            background: rgba(34, 211, 238, 0.2);
            transform: scale(1.05);
        }
        .dim-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: var(--spacing-2);
            letter-spacing: -0.01em;
        }
        .dim-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .dim-card .dim-tag {
            display: inline-block;
            margin-top: var(--spacing-3);
            font-size: 0.7rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 20px;
            background: rgba(34, 211, 238, 0.08);
            color: var(--accent);
            border: 1px solid rgba(34, 211, 238, 0.2);
        }

        /* TIMELINE */
        .timeline {
            position: relative;
            padding-left: 0;
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-4);
        }
        .timeline-item {
            position: relative;
            display: flex;
            gap: var(--spacing-5);
            padding: var(--spacing-5);
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: var(--transition-base);
        }
        .timeline-item:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .timeline-marker {
            flex-shrink: 0;
            width: 48px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
        }
        .timeline-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 12px var(--accent-glow);
        }
        .timeline-line {
            flex: 1;
            width: 2px;
            background: var(--border);
        }
        .timeline-content {
            flex: 1;
        }
        .timeline-content .time {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .timeline-content h4 {
            font-size: 1rem;
            font-weight: 700;
            margin: 6px 0 4px;
        }
        .timeline-content p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* IMAGE TEXT */
        .img-text-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-7);
            align-items: center;
        }
        .img-text-block .img-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            background: var(--bg-card);
            position: relative;
        }
        .img-text-block .img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        .img-text-block .img-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(to top, rgba(11, 14, 19, 0.7), transparent 60%);
            pointer-events: none;
        }
        .img-text-block .text-wrap h3 {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: var(--spacing-3);
        }
        .img-text-block .text-wrap p {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.75;
            margin-bottom: var(--spacing-3);
        }
        .img-text-block .text-wrap .list-check {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-2);
            margin-top: var(--spacing-4);
        }
        .img-text-block .text-wrap .list-check li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.88rem;
            color: var(--text-secondary);
        }
        .img-text-block .text-wrap .list-check li i {
            color: var(--green);
            font-size: 0.9rem;
        }

        /* COVERAGE STATS */
        .coverage-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-4);
        }
        .stat-block {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: var(--spacing-5);
            text-align: center;
            transition: var(--transition-base);
        }
        .stat-block:hover {
            border-color: var(--border-light);
            transform: translateY(-3px);
            box-shadow: var(--shadow-sm);
        }
        .stat-block .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            letter-spacing: -0.02em;
        }
        .stat-block .stat-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* SCENARIO CARDS */
        .scenario-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-6);
            text-align: center;
            transition: var(--transition-smooth);
        }
        .scenario-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-light);
        }
        .scenario-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(34, 211, 238, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent);
            margin: 0 auto var(--spacing-4);
        }
        .scenario-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: var(--spacing-2);
        }
        .scenario-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* REPORT SAMPLE */
        .report-sample {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-6);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-6);
        }
        .report-sample .report-section h4 {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: var(--spacing-3);
        }
        .report-sample .report-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-2);
        }
        .report-sample .report-list li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }
        .report-sample .report-list li i {
            color: var(--green);
            font-size: 0.75rem;
            margin-top: 5px;
            flex-shrink: 0;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-3);
            max-width: 900px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-3);
            padding: var(--spacing-4) var(--spacing-5);
            font-size: 0.95rem;
            font-weight: 650;
            cursor: pointer;
            color: var(--text-primary);
            transition: var(--transition-base);
            text-align: left;
            width: 100%;
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(34, 211, 238, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--accent);
            transition: var(--transition-base);
        }
        .faq-question.is-open .faq-icon {
            transform: rotate(45deg);
            background: rgba(34, 211, 238, 0.2);
        }
        .faq-answer {
            padding: 0 var(--spacing-5) var(--spacing-4);
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.75;
            display: none;
        }
        .faq-answer.is-open {
            display: block;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: var(--spacing-8) 0;
        }
        .cta-inner {
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: var(--spacing-3);
        }
        .cta-inner p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: var(--spacing-5);
            line-height: 1.75;
        }
        .cta-buttons {
            display: flex;
            gap: var(--spacing-3);
            justify-content: center;
            flex-wrap: wrap;
        }

        /* FOOTER */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            padding: var(--spacing-8) 0 0;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-6);
            padding-bottom: var(--spacing-6);
        }
        .footer-brand h3 {
            display: flex;
            align-items: center;
            gap: var(--spacing-2);
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: var(--spacing-3);
        }
        .footer-logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent), var(--accent-strong));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.75rem;
        }
        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-3);
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-2);
        }
        .footer-col ul li a {
            font-size: 0.82rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-col ul li a i {
            font-size: 0.6rem;
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding: var(--spacing-5) 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-2);
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        .footer-beian {
            display: flex;
            gap: var(--spacing-3);
            flex-wrap: wrap;
        }

        /* RESPONSIVE */
        @media (max-width: 1024px) {
            .grid-3,
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .coverage-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .banner-text h1 {
                font-size: 2rem;
            }
            .report-sample {
                grid-template-columns: 1fr;
            }
            .img-text-block {
                grid-template-columns: 1fr;
                gap: var(--spacing-5);
            }
            .section {
                padding: var(--spacing-6) 0;
            }
            .section-head h2 {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 768px) {
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .banner-content {
                flex-direction: column;
                align-items: flex-start;
            }
            .banner-meta {
                align-items: flex-start;
            }
            .banner-stat {
                text-align: left;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-4);
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .coverage-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            .section {
                padding: var(--spacing-5) 0;
            }
            .timeline-item {
                flex-direction: column;
                gap: var(--spacing-3);
            }
            .timeline-marker {
                flex-direction: row;
                width: auto;
            }
            .timeline-line {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .grid-3,
            .grid-4,
            .coverage-stats {
                grid-template-columns: 1fr;
            }
            .banner-text h1 {
                font-size: 1.6rem;
            }
            .section-head h2 {
                font-size: 1.35rem;
            }
            .btn {
                padding: 10px 18px;
                font-size: 0.82rem;
            }
            .report-sample {
                padding: var(--spacing-4);
            }
            .dim-card {
                padding: var(--spacing-4);
            }
            .cta-inner h2 {
                font-size: 1.5rem;
            }
        }

        /* Accessibility & utility */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
        .text-accent {
            color: var(--accent);
        }
        .mt-4 {
            margin-top: var(--spacing-4);
        }
        .mb-4 {
            margin-bottom: var(--spacing-4);
        }

/* 移动端导航补充样式，确保内页独立运行 */
        @media (max-width: 1024px) {
            .main-nav {
                position: fixed;
                top: 62px;
                left: 0;
                right: 0;
                bottom: 0;
                background: var(--bg-primary);
                flex-direction: column;
                align-items: stretch;
                padding: var(--spacing-4) var(--spacing-5);
                gap: var(--spacing-2);
                overflow-y: auto;
                transform: translateX(100%);
                transition: var(--transition-smooth);
                z-index: 999;
                border-left: 1px solid var(--border);
            }
            .main-nav.is-open {
                transform: translateX(0);
            }
            .main-nav a {
                display: flex;
                align-items: center;
                gap: var(--spacing-2);
                padding: var(--spacing-3) var(--spacing-4);
                border-radius: var(--radius-sm);
                border: 1px solid transparent;
                font-size: 0.95rem;
            }
            .main-nav a:hover {
                background: var(--bg-card);
                border-color: var(--border-light);
            }
            .main-nav a.active {
                background: rgba(34, 211, 238, 0.08);
                border-color: rgba(34, 211, 238, 0.3);
                color: var(--accent);
            }
            .nav-actions .nav-search,
            .nav-actions .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
            }
        }
        @media (min-width: 1025px) {
            .nav-toggle {
                display: none;
            }
        }
        /* 保证手机横屏或平板也能看到导航切换按钮 */
        .nav-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: var(--bg-card);
            border: 1px solid var(--border);
            color: var(--text-primary);
            font-size: 1rem;
            transition: var(--transition-base);
        }
        .nav-toggle:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

/* roulang page: category5 */
:root {
            --bg-primary: #0b0e13;
            --bg-secondary: #121620;
            --bg-tertiary: #1a1f2e;
            --bg-card: #161b28;
            --bg-elevated: #1e2433;
            --text-primary: #f0f2f5;
            --text-secondary: #b8c0ce;
            --text-muted: #7c8598;
            --accent: #22d3ee;
            --accent-strong: #06b6d4;
            --accent-glow: rgba(34, 211, 238, 0.25);
            --accent-rgb: 34, 211, 238;
            --green: #10b981;
            --green-glow: rgba(16, 185, 129, 0.25);
            --orange: #f59e0b;
            --orange-glow: rgba(245, 158, 11, 0.25);
            --danger: #ef4444;
            --danger-glow: rgba(239, 68, 68, 0.25);
            --border: #2a3040;
            --border-light: #353d52;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 32px rgba(34, 211, 238, 0.15);
            --font-base: 'Inter', 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', -apple-system, 'Segoe UI', sans-serif;
            --spacing-1: 4px;
            --spacing-2: 8px;
            --spacing-3: 12px;
            --spacing-4: 16px;
            --spacing-5: 24px;
            --spacing-6: 32px;
            --spacing-7: 48px;
            --spacing-8: 64px;
            --spacing-9: 80px;
            --spacing-10: 104px;
            --transition-base: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1216px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
            line-height: 1.6;
        }

        body {
            font-family: var(--font-base);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: var(--transition-base);
        }

        a:hover {
            color: var(--accent-strong);
        }

        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-5);
            width: 100%;
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 14, 19, 0.9);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
            transition: var(--transition-base);
        }

        .site-header.is-scrolled {
            box-shadow: var(--shadow-md);
            background: rgba(11, 14, 19, 0.97);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-4);
            padding: var(--spacing-2) var(--spacing-5);
            max-width: var(--max-width);
            margin: 0 auto;
            min-height: 64px;
            position: relative;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: var(--spacing-2);
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: var(--transition-base);
            z-index: 1002;
        }

        .logo-link:hover {
            color: var(--accent);
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent), var(--accent-strong));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
            box-shadow: var(--shadow-glow);
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }

        .logo-text .logo-name {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--text-primary);
        }

        .logo-text .logo-sub {
            font-size: 0.68rem;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 0.08em;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-1);
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .main-nav::-webkit-scrollbar {
            display: none;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: 10px;
            color: var(--text-secondary);
            font-size: 0.86rem;
            font-weight: 500;
            white-space: nowrap;
            transition: var(--transition-base);
            border: 1px solid transparent;
        }

        .main-nav a:hover {
            color: var(--text-primary);
            background: var(--bg-elevated);
            border-color: var(--border);
        }

        .main-nav a.active {
            color: var(--accent);
            background: var(--accent-glow);
            border-color: rgba(34, 211, 238, 0.2);
        }

        .main-nav a .nav-icon {
            font-size: 0.8rem;
            opacity: 0.75;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-2);
            flex-shrink: 0;
            z-index: 1002;
        }

        .header-search {
            position: relative;
            display: flex;
            align-items: center;
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 6px 14px;
            min-width: 200px;
            transition: var(--transition-base);
            cursor: pointer;
        }

        .header-search:hover {
            border-color: var(--border-light);
            background: var(--bg-tertiary);
        }

        .header-search i {
            color: var(--text-muted);
            font-size: 0.8rem;
            margin-right: 8px;
        }

        .header-search span {
            color: var(--text-muted);
            font-size: 0.82rem;
            white-space: nowrap;
        }

        .header-search .shortcut {
            background: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: 4px;
            padding: 1px 6px;
            font-size: 0.68rem;
            color: var(--text-muted);
            margin-left: 8px;
        }

        .btn-nav-cta {
            background: var(--accent);
            color: #0b0e13;
            font-weight: 700;
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            white-space: nowrap;
            transition: var(--transition-base);
            border: none;
            box-shadow: var(--shadow-glow);
        }

        .btn-nav-cta:hover {
            background: var(--accent-strong);
            color: #0b0e13;
            transform: translateY(-1px);
            box-shadow: 0 4px 20px rgba(34, 211, 238, 0.3);
        }

        .mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: var(--bg-elevated);
            color: var(--text-primary);
            font-size: 1.1rem;
            align-items: center;
            justify-content: center;
            transition: var(--transition-base);
            flex-shrink: 0;
            z-index: 1002;
        }

        .mobile-toggle:hover {
            background: var(--bg-tertiary);
            border-color: var(--border-light);
        }

        .mobile-nav-backdrop {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 998;
        }

        .mobile-nav-backdrop.open {
            display: block;
        }

        .mobile-menu-panel {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-lg);
            padding: var(--spacing-4) var(--spacing-5);
            z-index: 999;
            max-height: calc(100vh - 64px);
            overflow-y: auto;
        }

        .mobile-menu-panel.open {
            display: block;
        }

        .mobile-menu-panel nav {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-1);
        }

        .mobile-menu-panel nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 14px;
            border-radius: 10px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition-base);
            border: 1px solid transparent;
        }

        .mobile-menu-panel nav a:hover {
            color: var(--text-primary);
            background: var(--bg-elevated);
        }

        .mobile-menu-panel nav a.active {
            color: var(--accent);
            background: var(--accent-glow);
            border-color: rgba(34, 211, 238, 0.2);
        }

        .mobile-menu-panel nav a .nav-icon {
            font-size: 0.9rem;
            width: 22px;
            text-align: center;
        }

        /* ========== HERO ========== */
        .hero-standings {
            position: relative;
            padding: var(--spacing-9) 0 var(--spacing-8);
            overflow: hidden;
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border);
        }

        .hero-standings::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            z-index: 0;
        }

        .hero-standings::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(11, 14, 19, 0.7) 0%, rgba(11, 14, 19, 0.85) 50%, var(--bg-secondary) 100%);
            z-index: 1;
        }

        .hero-standings .container {
            position: relative;
            z-index: 2;
        }

        .hero-standings-content {
            max-width: 820px;
            margin: 0 auto;
            text-align: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent-glow);
            border: 1px solid rgba(34, 211, 238, 0.3);
            border-radius: 40px;
            padding: 6px 16px;
            font-size: 0.8rem;
            color: var(--accent);
            font-weight: 500;
            margin-bottom: var(--spacing-5);
        }

        .hero-standings h1 {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            color: var(--text-primary);
            margin-bottom: var(--spacing-4);
            line-height: 1.25;
        }

        .hero-standings .hero-sub {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto var(--spacing-6);
            line-height: 1.8;
        }

        .hero-search-box {
            max-width: 600px;
            margin: 0 auto var(--spacing-5);
            display: flex;
            align-items: center;
            background: var(--bg-elevated);
            border: 1px solid var(--border-light);
            border-radius: 28px;
            padding: 6px 6px 6px 20px;
            box-shadow: var(--shadow-md);
            transition: var(--transition-base);
        }

        .hero-search-box:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px var(--accent-glow), var(--shadow-md);
        }

        .hero-search-box i {
            color: var(--text-muted);
            font-size: 1rem;
            margin-right: 12px;
            flex-shrink: 0;
        }

        .hero-search-box input {
            flex: 1;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 0.95rem;
            outline: none;
            min-width: 0;
        }

        .hero-search-box input::placeholder {
            color: var(--text-muted);
        }

        .hero-search-box .search-btn {
            background: var(--accent);
            color: #0b0e13;
            font-weight: 700;
            padding: 10px 24px;
            border-radius: 22px;
            font-size: 0.88rem;
            white-space: nowrap;
            transition: var(--transition-base);
            flex-shrink: 0;
        }

        .hero-search-box .search-btn:hover {
            background: var(--accent-strong);
            transform: translateY(-1px);
        }

        .hero-quick-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: var(--spacing-2);
            padding: 0;
            margin: 0;
            list-style: none;
        }

        .hero-quick-links li a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: 20px;
            color: var(--text-secondary);
            font-size: 0.82rem;
            font-weight: 500;
            transition: var(--transition-base);
        }

        .hero-quick-links li a:hover {
            color: var(--accent);
            border-color: var(--accent);
            background: var(--accent-glow);
            transform: translateY(-2px);
        }

        .hero-quick-links li a i {
            font-size: 0.75rem;
            opacity: 0.8;
        }

        .hero-stats-row {
            display: flex;
            justify-content: center;
            gap: var(--spacing-7);
            margin-top: var(--spacing-7);
            flex-wrap: wrap;
        }

        .hero-stat-item {
            text-align: center;
        }

        .hero-stat-item .stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -0.02em;
        }

        .hero-stat-item .stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* ========== SECTION 通用 ========== */
        .section-block {
            padding: var(--spacing-8) 0;
            position: relative;
        }

        .section-block.alt-bg {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-header {
            margin-bottom: var(--spacing-6);
        }

        .section-header h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            margin-bottom: var(--spacing-2);
            line-height: 1.3;
        }

        .section-header p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.7;
            margin: 0;
        }

        .section-header .section-tag {
            display: inline-block;
            background: var(--accent-glow);
            color: var(--accent);
            border: 1px solid rgba(34, 211, 238, 0.3);
            border-radius: 20px;
            padding: 4px 14px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: var(--spacing-3);
            letter-spacing: 0.04em;
        }

        /* ========== 积分榜卡片 ========== */
        .standings-preview-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-5);
        }

        .standings-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-5);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .standings-card:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .standings-card .league-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: var(--spacing-4);
            padding-bottom: var(--spacing-3);
            border-bottom: 1px solid var(--border);
        }

        .standings-card .league-name {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .standings-card .league-name .flag-icon {
            width: 28px;
            height: 20px;
            border-radius: 4px;
            background: var(--bg-elevated);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            color: var(--text-muted);
        }

        .standings-card .update-badge {
            background: var(--green-glow);
            color: var(--green);
            border: 1px solid rgba(16, 185, 129, 0.3);
            border-radius: 12px;
            padding: 3px 10px;
            font-size: 0.7rem;
            font-weight: 600;
        }

        .standings-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.83rem;
        }

        .standings-table thead th {
            text-align: left;
            color: var(--text-muted);
            font-weight: 500;
            font-size: 0.72rem;
            padding: 6px 4px;
            border-bottom: 1px solid var(--border);
            letter-spacing: 0.03em;
        }

        .standings-table tbody td {
            padding: 7px 4px;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border);
            white-space: nowrap;
        }

        .standings-table tbody tr:last-child td {
            border-bottom: none;
        }

        .standings-table .team-cell {
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--text-primary);
            font-weight: 500;
        }

        .standings-table .team-cell .team-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            flex-shrink: 0;
        }

        .standings-table .pos-1 .team-dot {
            background: #f59e0b;
        }
        .standings-table .pos-2 .team-dot {
            background: #94a3b8;
        }
        .standings-table .pos-3 .team-dot {
            background: #d97706;
        }
        .standings-table .pos-4 .team-dot {
            background: #22d3ee;
        }
        .standings-table .pos-5 .team-dot {
            background: #6366f1;
        }
        .standings-table .pos-relegation .team-dot {
            background: #ef4444;
        }

        .standings-table .pts-total {
            font-weight: 700;
            color: var(--text-primary);
        }

        .standings-table .zone-tag {
            display: inline-block;
            font-size: 0.62rem;
            padding: 1px 6px;
            border-radius: 6px;
            font-weight: 600;
        }

        .zone-tag.zone-ucl {
            background: var(--accent-glow);
            color: var(--accent);
        }

        .zone-tag.zone-uel {
            background: var(--orange-glow);
            color: var(--orange);
        }

        .zone-tag.zone-relegation {
            background: var(--danger-glow);
            color: var(--danger);
        }

        .standings-card .view-more {
            margin-top: auto;
            padding-top: var(--spacing-3);
            text-align: center;
        }

        .standings-card .view-more a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent);
            padding: 8px 16px;
            border-radius: 16px;
            background: var(--accent-glow);
            border: 1px solid rgba(34, 211, 238, 0.2);
            transition: var(--transition-base);
        }

        .standings-card .view-more a:hover {
            background: var(--accent);
            color: #0b0e13;
        }

        /* ========== 积分规则 ========== */
        .rules-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-4);
        }

        .rule-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: var(--spacing-5);
            transition: var(--transition-base);
        }

        .rule-card:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .rule-card .rule-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            margin-bottom: var(--spacing-3);
            background: var(--accent-glow);
            color: var(--accent);
            border: 1px solid rgba(34, 211, 238, 0.2);
        }

        .rule-card h3 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-2);
        }

        .rule-card p {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        .rule-card .rule-detail {
            display: inline-block;
            margin-top: var(--spacing-3);
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--text-muted);
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 4px 10px;
        }

        /* ========== 分析维度 ========== */
        .analysis-feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-6);
            align-items: stretch;
        }

        .analysis-image-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 320px;
            border: 1px solid var(--border);
            background: var(--bg-elevated);
        }

        .analysis-image-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
            opacity: 0.7;
            transition: var(--transition-smooth);
        }

        .analysis-image-card:hover img {
            opacity: 0.85;
            scale: 1.03;
        }

        .analysis-image-card .overlay-label {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: var(--spacing-5);
            background: linear-gradient(0deg, rgba(11, 14, 19, 0.9) 0%, transparent 100%);
            z-index: 2;
        }

        .analysis-image-card .overlay-label h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .analysis-image-card .overlay-label p {
            font-size: 0.83rem;
            color: var(--text-secondary);
            margin: 0;
        }

        .analysis-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-3);
        }

        .analysis-list-item {
            display: flex;
            gap: var(--spacing-3);
            padding: var(--spacing-4);
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: var(--transition-base);
        }

        .analysis-list-item:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }

        .analysis-list-item .item-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--accent-glow);
            color: var(--accent);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .analysis-list-item .item-content h4 {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .analysis-list-item .item-content p {
            font-size: 0.8rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== 覆盖范围 ========== */
        .coverage-strip {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: var(--spacing-3);
        }

        .coverage-item {
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: var(--spacing-4);
            text-align: center;
            transition: var(--transition-base);
        }

        .coverage-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }

        .coverage-item .coverage-icon {
            font-size: 1.5rem;
            color: var(--accent);
            margin-bottom: var(--spacing-2);
        }

        .coverage-item .coverage-name {
            font-size: 0.83rem;
            font-weight: 600;
            color: var(--text-primary);
        }

        .coverage-item .coverage-count {
            font-size: 0.72rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* ========== 场景卡片 ========== */
        .scene-card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-4);
        }

        .scene-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-5);
            transition: var(--transition-base);
            text-align: center;
        }

        .scene-card:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .scene-card .scene-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--accent-glow);
            border: 1px solid rgba(34, 211, 238, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent);
            margin: 0 auto var(--spacing-3);
        }

        .scene-card h3 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-2);
        }

        .scene-card p {
            font-size: 0.8rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-3);
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: var(--spacing-4) var(--spacing-5);
            transition: var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .faq-item summary {
            cursor: pointer;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-3);
            user-select: none;
        }

        .faq-item summary .faq-toggle-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.65rem;
            color: var(--text-muted);
            transition: var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item[open] summary .faq-toggle-icon {
            background: var(--accent-glow);
            color: var(--accent);
            border-color: var(--accent);
            transform: rotate(180deg);
        }

        .faq-item .faq-answer {
            margin-top: var(--spacing-3);
            padding-top: var(--spacing-3);
            border-top: 1px solid var(--border);
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        .faq-item .faq-answer p {
            margin: 0;
        }

        /* ========== CTA ========== */
        .cta-section {
            position: relative;
            padding: var(--spacing-9) 0;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            text-align: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            z-index: 0;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-box {
            max-width: 700px;
            margin: 0 auto;
            background: var(--bg-elevated);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-xl);
            padding: var(--spacing-7) var(--spacing-6);
            box-shadow: var(--shadow-lg);
        }

        .cta-box h2 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: var(--spacing-3);
            letter-spacing: -0.02em;
        }

        .cta-box p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            max-width: 540px;
            margin: 0 auto var(--spacing-5);
            line-height: 1.7;
        }

        .cta-box .cta-buttons {
            display: flex;
            justify-content: center;
            gap: var(--spacing-3);
            flex-wrap: wrap;
        }

        .cta-box .btn-primary-cta {
            background: var(--accent);
            color: #0b0e13;
            font-weight: 700;
            padding: 13px 32px;
            border-radius: 28px;
            font-size: 0.92rem;
            transition: var(--transition-base);
            box-shadow: var(--shadow-glow);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .cta-box .btn-primary-cta:hover {
            background: var(--accent-strong);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(34, 211, 238, 0.3);
        }

        .cta-box .btn-secondary-cta {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            padding: 13px 28px;
            border-radius: 28px;
            font-size: 0.92rem;
            border: 1px solid var(--border-light);
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .cta-box .btn-secondary-cta:hover {
            border-color: var(--text-muted);
            background: var(--bg-card);
            transform: translateY(-2px);
        }

        .cta-box .cta-note {
            margin-top: var(--spacing-4);
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            padding: var(--spacing-7) 0 var(--spacing-5);
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-6);
        }

        .footer-brand h3 {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: var(--spacing-3);
        }

        .footer-brand h3 .footer-logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent), var(--accent-strong));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.8rem;
        }

        .footer-brand p {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 320px;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-3);
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-2);
        }

        .footer-col ul a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: var(--transition-base);
        }

        .footer-col ul a:hover {
            color: var(--accent);
            transform: translateX(4px);
        }

        .footer-col ul a i {
            font-size: 0.65rem;
            opacity: 0.7;
        }

        .footer-bottom {
            margin-top: var(--spacing-6);
            padding-top: var(--spacing-4);
            border-top: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: var(--spacing-2);
            text-align: center;
        }

        .footer-bottom p {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin: 0;
        }

        .footer-beian {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: var(--spacing-3);
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .footer-beian a {
            color: var(--text-muted);
            font-size: 0.75rem;
        }

        .footer-beian a:hover {
            color: var(--accent);
        }

        .footer-beian span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .footer-beian .beian-divider {
            color: var(--border);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .header-search {
                min-width: 150px;
            }
            .main-nav a {
                padding: 7px 10px;
                font-size: 0.8rem;
            }
            .standings-preview-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .rules-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .coverage-strip {
                grid-template-columns: repeat(4, 1fr);
            }
            .scene-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .analysis-feature-row {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                padding: var(--spacing-2) var(--spacing-3);
                min-height: 56px;
            }
            .main-nav {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .header-search {
                display: none;
            }
            .btn-nav-cta {
                display: none;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
            }
            .logo-text .logo-name {
                font-size: 1rem;
            }
            .hero-standings h1 {
                font-size: 1.8rem;
            }
            .hero-standings .hero-sub {
                font-size: 0.92rem;
            }
            .hero-stats-row {
                gap: var(--spacing-4);
            }
            .hero-stat-item .stat-number {
                font-size: 1.4rem;
            }
            .standings-preview-grid {
                grid-template-columns: 1fr;
            }
            .rules-grid {
                grid-template-columns: 1fr;
            }
            .coverage-strip {
                grid-template-columns: repeat(3, 1fr);
            }
            .scene-card-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .cta-box {
                padding: var(--spacing-5) var(--spacing-4);
            }
            .cta-box h2 {
                font-size: 1.3rem;
            }
            .hero-standings {
                padding: var(--spacing-7) 0 var(--spacing-6);
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 var(--spacing-3);
            }
            .hero-standings h1 {
                font-size: 1.5rem;
            }
            .hero-search-box {
                flex-wrap: wrap;
                padding: 12px;
                border-radius: 20px;
            }
            .hero-search-box input {
                flex: 1 1 100%;
                padding: 8px 0;
            }
            .hero-search-box .search-btn {
                width: 100%;
                text-align: center;
                justify-content: center;
                border-radius: 14px;
                margin-top: 8px;
            }
            .hero-quick-links li a {
                padding: 6px 12px;
                font-size: 0.75rem;
            }
            .coverage-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .section-block {
                padding: var(--spacing-6) 0;
            }
            .analysis-list-item {
                flex-direction: column;
            }
            .cta-box .btn-primary-cta,
            .cta-box .btn-secondary-cta {
                width: 100%;
                justify-content: center;
            }
            .cta-buttons {
                flex-direction: column;
            }
        }

/* roulang page: category7 */
:root {
  --bg-primary: #0b0e13;
  --bg-secondary: #121620;
  --bg-tertiary: #1a1f2e;
  --bg-card: #161b28;
  --bg-elevated: #1e2433;
  --text-primary: #f0f2f5;
  --text-secondary: #b8c0ce;
  --text-muted: #7c8598;
  --accent: #22d3ee;
  --accent-strong: #06b6d4;
  --accent-glow: rgba(34, 211, 238, 0.25);
  --accent-rgb: 34, 211, 238;
  --green: #10b981;
  --green-glow: rgba(16, 185, 129, 0.25);
  --orange: #f59e0b;
  --orange-glow: rgba(245, 158, 11, 0.25);
  --danger: #ef4444;
  --danger-glow: rgba(239, 68, 68, 0.25);
  --border: #2a3040;
  --border-light: #353d52;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 32px rgba(34, 211, 238, 0.15);
  --font-base: 'Inter', 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', -apple-system, 'Segoe UI', sans-serif;
  --spacing-1: 4px;
  --spacing-2: 8px;
  --spacing-3: 12px;
  --spacing-4: 16px;
  --spacing-5: 24px;
  --spacing-6: 32px;
  --spacing-7: 48px;
  --spacing-8: 64px;
  --spacing-9: 80px;
  --spacing-10: 104px;
  --transition-base: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1216px;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
  line-height: 1.6;
}

body {
  font-family: var(--font-base);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 0;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: var(--transition-base);
}
a:hover {
  color: var(--accent-strong);
}
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}
button {
  cursor: pointer;
  border: none;
  background: none;
}
button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-5);
  width: 100%;
}

/* ========== HEADER ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(11, 14, 19, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition-base);
}
.site-header.is-scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(11, 14, 19, 0.96);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-4);
  padding: var(--spacing-3) var(--spacing-5);
  max-width: var(--max-width);
  margin: 0 auto;
  min-height: 62px;
}
.logo-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  white-space: nowrap;
  flex-shrink: 0;
  transition: var(--transition-base);
}
.logo-link:hover {
  color: var(--accent);
  transform: translateY(-1px);
}
.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.9rem;
  flex-shrink: 0;
  box-shadow: var(--shadow-glow);
}
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.logo-text .logo-name {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  flex-wrap: wrap;
  justify-content: center;
}
.main-nav a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.87rem;
  font-weight: 500;
  transition: var(--transition-base);
  white-space: nowrap;
}
.main-nav a:hover {
  color: var(--text-primary);
  background: rgba(34, 211, 238, 0.08);
}
.main-nav a.active {
  color: var(--accent);
  background: rgba(34, 211, 238, 0.12);
  font-weight: 600;
}
.main-nav a .nav-icon {
  font-size: 0.75rem;
  opacity: 0.8;
}
.nav-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 6px 14px;
  min-width: 180px;
  transition: var(--transition-base);
}
.nav-search:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.1);
}
.nav-search input {
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 0.82rem;
  width: 100%;
  outline: none;
}
.nav-search input::placeholder {
  color: var(--text-muted);
}
.nav-search .search-btn {
  color: var(--text-muted);
  font-size: 0.85rem;
  transition: var(--transition-base);
}
.nav-search .search-btn:hover {
  color: var(--accent);
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 50px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition-base);
  white-space: nowrap;
  border: none;
}
.nav-cta:hover {
  box-shadow: 0 6px 20px rgba(34, 211, 238, 0.35);
  transform: translateY(-1px);
  color: #fff;
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}
.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-base);
}
.hamburger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.is-open span:nth-child(2) {
  opacity: 0;
}
.hamburger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ========== PAGE HERO ========== */
.page-hero {
  position: relative;
  background: linear-gradient(135deg, #0b0e13 0%, #111827 45%, #0c1b22 100%);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  padding: var(--spacing-8) 0 var(--spacing-7);
}
.page-hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.12) 0%, transparent 65%);
  pointer-events: none;
}
.page-hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: 15%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, transparent 60%);
  pointer-events: none;
}
.page-hero .hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}
.page-hero .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 50px;
  background: rgba(34, 211, 238, 0.12);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: var(--spacing-4);
  border: 1px solid rgba(34, 211, 238, 0.2);
}
.page-hero h1 {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.03em;
  margin-bottom: var(--spacing-4);
  color: var(--text-primary);
}
.page-hero .hero-subtitle {
  font-size: 1.08rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-5);
  max-width: 640px;
}
.page-hero .hero-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  flex-wrap: wrap;
}
.hero-img-wrap {
  position: relative;
  z-index: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}
.hero-img-wrap img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}
.hero-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 14, 19, 0.55) 0%, transparent 50%);
}

/* ========== STATS STRIP ========== */
.stats-strip {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: var(--spacing-5) 0;
}
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-4);
}
.stat-item {
  text-align: center;
  padding: var(--spacing-3);
}
.stat-item .stat-num {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.stat-item .stat-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ========== GENERIC SECTIONS ========== */
.section-block {
  padding: var(--spacing-8) 0;
}
.section-block.alt-bg {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-block.dark-bg {
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: var(--spacing-3);
}
.section-title {
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.35;
  color: var(--text-primary);
  margin-bottom: var(--spacing-3);
}
.section-desc {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.85;
  max-width: 760px;
}

/* ========== CARDS ========== */
.odds-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--spacing-5);
  transition: var(--transition-smooth);
  height: 100%;
}
.odds-card:hover {
  border-color: rgba(34, 211, 238, 0.35);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.odds-card .card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  margin-bottom: var(--spacing-3);
  flex-shrink: 0;
}
.odds-card .card-icon.cyan {
  background: rgba(34, 211, 238, 0.12);
  color: var(--accent);
  border: 1px solid rgba(34, 211, 238, 0.2);
}
.odds-card .card-icon.green {
  background: rgba(16, 185, 129, 0.12);
  color: var(--green);
  border: 1px solid rgba(16, 185, 129, 0.2);
}
.odds-card .card-icon.orange {
  background: rgba(245, 158, 11, 0.12);
  color: var(--orange);
  border: 1px solid rgba(245, 158, 11, 0.2);
}
.odds-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--spacing-2);
  color: var(--text-primary);
}
.odds-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 0;
}
.odds-card .card-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: var(--spacing-3);
  padding-top: var(--spacing-3);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ========== ODDS TABLE ========== */
.odds-table-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.odds-table-wrap .table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-4) var(--spacing-5);
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
}
.odds-table-wrap .table-header h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0;
  color: var(--text-primary);
}
.odds-table-wrap .table-header .live-dot {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--green);
  font-weight: 600;
}
.odds-table-wrap .table-header .live-dot::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green-glow);
  animation: pulseDot 1.8s infinite;
}
@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}
.odds-simple-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.odds-simple-table th {
  text-align: left;
  padding: 12px 20px;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.2);
}
.odds-simple-table td {
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  font-weight: 500;
}
.odds-simple-table tr:last-child td {
  border-bottom: none;
}
.odds-simple-table tr:hover td {
  background: rgba(34, 211, 238, 0.04);
}
.odds-simple-table .match-cell {
  font-weight: 600;
  color: var(--text-primary);
}
.odds-simple-table .odds-up {
  color: var(--green);
  font-weight: 700;
}
.odds-simple-table .odds-down {
  color: var(--danger);
  font-weight: 700;
}
.odds-simple-table .odds-flat {
  color: var(--text-muted);
  font-weight: 600;
}

/* ========== PROCESS STEPS ========== */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-4);
  counter-reset: step;
}
.process-step {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--spacing-5);
  transition: var(--transition-base);
  counter-increment: step;
}
.process-step:hover {
  border-color: rgba(34, 211, 238, 0.3);
  box-shadow: var(--shadow-sm);
}
.process-step .step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: var(--spacing-3);
}
.process-step h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-2);
}
.process-step p {
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 0;
}

/* ========== SCENARIO CARDS ========== */
.scenario-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--spacing-5);
  transition: var(--transition-smooth);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.scenario-card:hover {
  border-color: rgba(34, 211, 238, 0.3);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.scenario-card .scenario-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  margin-bottom: var(--spacing-3);
  background: rgba(34, 211, 238, 0.08);
  color: var(--accent);
  border: 1px solid rgba(34, 211, 238, 0.15);
}
.scenario-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-2);
}
.scenario-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 0;
  flex-grow: 1;
}

/* ========== FAQ ========== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--spacing-4) var(--spacing-5);
  transition: var(--transition-base);
  cursor: pointer;
}
.faq-item:hover {
  border-color: rgba(34, 211, 238, 0.25);
}
.faq-item .faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-3);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-primary);
}
.faq-item .faq-question .faq-toggle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(34, 211, 238, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 0.75rem;
  flex-shrink: 0;
  transition: var(--transition-base);
}
.faq-item.is-open .faq-question .faq-toggle {
  transform: rotate(45deg);
  background: var(--accent);
  color: #fff;
}
.faq-item .faq-answer {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.8;
  padding-top: var(--spacing-3);
  margin-top: var(--spacing-3);
  border-top: 1px solid var(--border);
  display: none;
}
.faq-item.is-open .faq-answer {
  display: block;
}

/* ========== CTA SECTION ========== */
.cta-section {
  background: linear-gradient(135deg, #0c1b22 0%, #111827 50%, #0b0e13 100%);
  border-top: 1px solid rgba(34, 211, 238, 0.2);
  border-bottom: 1px solid var(--border);
  padding: var(--spacing-8) 0;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(34, 211, 238, 0.1) 0%, transparent 65%);
  pointer-events: none;
}
.cta-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.cta-content h2 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-3);
  color: var(--text-primary);
}
.cta-content p {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-5);
}

/* ========== BUTTONS ========== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 50px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  transition: var(--transition-base);
}
.btn-primary:hover {
  box-shadow: 0 8px 28px rgba(34, 211, 238, 0.4);
  transform: translateY(-2px);
  color: #fff;
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 50px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  border: 1px solid var(--border-light);
  transition: var(--transition-base);
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(34, 211, 238, 0.06);
}
.btn-sm {
  padding: 8px 16px;
  font-size: 0.8rem;
  border-radius: 50px;
}

/* ========== FOOTER ========== */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: var(--spacing-7) 0 var(--spacing-5);
  margin-top: auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: var(--spacing-6);
  margin-bottom: var(--spacing-6);
}
.footer-brand h3 {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: var(--spacing-3);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.75rem;
}
.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 340px;
}
.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-3);
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-col ul li {
  margin-bottom: var(--spacing-2);
}
.footer-col ul li a {
  color: var(--text-muted);
  font-size: 0.85rem;
  transition: var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.footer-col ul li a:hover {
  color: var(--accent);
  transform: translateX(2px);
}
.footer-col ul li a i {
  font-size: 0.7rem;
  opacity: 0.6;
}
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: var(--spacing-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-3);
  font-size: 0.8rem;
  color: var(--text-muted);
}
.footer-bottom a {
  color: var(--text-muted);
  font-size: 0.8rem;
}
.footer-bottom a:hover {
  color: var(--accent);
}
.footer-beian {
  display: flex;
  gap: var(--spacing-3);
  flex-wrap: wrap;
  align-items: center;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1023px) {
  .main-nav {
    gap: var(--spacing-1);
  }
  .main-nav a {
    padding: 7px 9px;
    font-size: 0.8rem;
  }
  .nav-search {
    min-width: 120px;
  }
  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-hero h1 {
    font-size: 2.1rem;
  }
}

@media (max-width: 767px) {
  .header-inner {
    flex-wrap: wrap;
    padding: var(--spacing-2) var(--spacing-4);
    gap: var(--spacing-2);
  }
  .hamburger {
    display: flex;
  }
  .main-nav {
    display: none;
    position: fixed;
    top: 62px;
    left: 0;
    right: 0;
    background: rgba(11, 14, 19, 0.98);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
    padding: var(--spacing-4);
    flex-direction: column;
    align-items: stretch;
    max-height: 70vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
  }
  .main-nav.is-open {
    display: flex;
  }
  .main-nav a {
    padding: 12px 16px;
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
  }
  .nav-search {
    display: none;
  }
  .nav-cta {
    display: none;
  }
  .page-hero {
    padding: var(--spacing-6) 0 var(--spacing-5);
  }
  .page-hero h1 {
    font-size: 1.6rem;
  }
  .page-hero .hero-subtitle {
    font-size: 0.92rem;
  }
  .hero-img-wrap img {
    height: 180px;
  }
  .section-block {
    padding: var(--spacing-6) 0;
  }
  .section-title {
    font-size: 1.45rem;
  }
  .stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-2);
  }
  .stat-item .stat-num {
    font-size: 1.4rem;
  }
  .process-steps {
    grid-template-columns: 1fr;
    gap: var(--spacing-3);
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
  .cta-content h2 {
    font-size: 1.5rem;
  }
}

@media (max-width: 519px) {
  .page-hero h1 {
    font-size: 1.35rem;
  }
  .page-hero .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }
  .page-hero .hero-actions .btn-primary,
  .page-hero .hero-actions .btn-secondary {
    width: 100%;
    justify-content: center;
  }
  .odds-simple-table th,
  .odds-simple-table td {
    padding: 8px 12px;
    font-size: 0.75rem;
  }
  .stats-row {
    grid-template-columns: 1fr 1fr;
  }
  .section-title {
    font-size: 1.25rem;
  }
}