/* roulang page: index */
:root {
            --primary: #00e676;
            --primary-dark: #00c853;
            --primary-glow: rgba(0, 230, 118, 0.25);
            --accent: #ff6d00;
            --accent-light: #ff9100;
            --accent-glow: rgba(255, 109, 0, 0.3);
            --bg-deep: #060b1f;
            --bg-dark: #0a0e27;
            --bg-card: #111838;
            --bg-surface: #161e44;
            --bg-elevated: #1b2352;
            --text-primary: #f0f2fa;
            --text-secondary: #b8bfd8;
            --text-muted: #7b82a6;
            --border-subtle: #1c2650;
            --border-medium: #263066;
            --radius-xs: 6px;
            --radius-sm: 10px;
            --radius: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.35);
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(0, 230, 118, 0.2);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-stack: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', 'Monaco', monospace;
            --container-max: 1240px;
            --container-narrow: 960px;
            --nav-height: 68px;
            --channel-height: 48px;
            --header-total: 116px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            font-size: 16px;
        }

        body {
            font-family: var(--font-stack);
            background: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.65;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background-image:
                radial-gradient(ellipse at 15% 10%, rgba(0, 180, 100, 0.06) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 20%, rgba(255, 109, 0, 0.05) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 60%, rgba(30, 60, 180, 0.04) 0%, transparent 60%);
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
            color: inherit;
            transition: all var(--transition-fast);
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: var(--radius-xs);
        }
        input {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .container--narrow {
            max-width: var(--container-narrow);
        }

        /* HEADER */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 14, 39, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            padding: 0 20px;
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            letter-spacing: 0.01em;
            color: var(--text-primary);
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .logo-link:hover {
            color: var(--primary);
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary-dark), #009c4e);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 0 18px var(--primary-glow);
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .btn-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-surface);
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            font-size: 1.05rem;
        }
        .btn-icon:hover {
            background: var(--bg-elevated);
            color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--bg-surface);
            color: var(--text-primary);
            font-size: 1.3rem;
            align-items: center;
            justify-content: center;
        }

        /* CHANNEL NAV */
        .channel-row {
            border-top: 1px solid var(--border-subtle);
            background: rgba(6, 11, 31, 0.7);
            height: var(--channel-height);
            display: flex;
            align-items: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .channel-row::-webkit-scrollbar {
            display: none;
        }
        .channel-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            height: 100%;
        }
        .channel-nav a {
            display: flex;
            align-items: center;
            padding: 7px 18px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }
        .channel-nav a:hover {
            color: var(--text-primary);
            background: var(--bg-surface);
        }
        .channel-nav a.active {
            color: var(--primary);
            background: rgba(0, 230, 118, 0.1);
            font-weight: 600;
        }
        .channel-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--primary);
        }
        .channel-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            background: var(--accent-glow);
            color: var(--accent-light);
            margin-left: 6px;
            animation: pulse-tag 2s infinite;
        }
        @keyframes pulse-tag {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.65;
            }
        }

        /* HERO */
        .hero {
            padding: 50px 0 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -80px;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 230, 118, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-medium);
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 20px;
            animation: fadeInUp 0.6s ease;
        }
        .hero-badge .live-dot {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: var(--primary);
            animation: live-pulse 1.5s infinite;
        }
        @keyframes live-pulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(0, 230, 118, 0.7);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(0, 230, 118, 0);
            }
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .hero-title {
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.01em;
            margin-bottom: 16px;
            color: #fff;
            animation: fadeInUp 0.6s ease 0.1s both;
        }
        .hero-title .highlight {
            color: var(--primary);
            position: relative;
        }
        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.6;
            animation: fadeInUp 0.6s ease 0.2s both;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
            animation: fadeInUp 0.6s ease 0.3s both;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .btn-primary {
            background: var(--primary);
            color: #000;
            box-shadow: 0 4px 20px var(--primary-glow);
        }
        .btn-primary:hover {
            background: #00f57a;
            box-shadow: 0 6px 28px rgba(0, 230, 118, 0.4);
            transform: translateY(-2px);
            color: #000;
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--border-medium);
            color: #fff;
        }
        .btn-outline:hover {
            border-color: var(--primary);
            background: rgba(0, 230, 118, 0.06);
            transform: translateY(-2px);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 20px var(--accent-glow);
        }
        .btn-accent:hover {
            background: var(--accent-light);
            box-shadow: 0 6px 28px rgba(255, 109, 0, 0.5);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-sm {
            padding: 9px 18px;
            font-size: 0.82rem;
            border-radius: 20px;
        }

        /* LIVE TICKER */
        .live-ticker-wrap {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius);
            overflow: hidden;
            margin: 0 0 50px;
            box-shadow: var(--shadow);
        }
        .live-ticker-header {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 20px;
            background: var(--bg-surface);
            border-bottom: 1px solid var(--border-subtle);
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
        }
        .live-ticker-header .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary);
            animation: live-pulse 1.5s infinite;
        }
        .live-ticker-scroll {
            display: flex;
            gap: 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border-medium) transparent;
            padding: 6px 8px;
        }
        .live-ticker-scroll::-webkit-scrollbar {
            height: 4px;
        }
        .live-ticker-scroll::-webkit-scrollbar-track {
            background: transparent;
        }
        .live-ticker-scroll::-webkit-scrollbar-thumb {
            background: var(--border-medium);
            border-radius: 4px;
        }
        .ticker-match {
            flex: 0 0 auto;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            background: var(--bg-surface);
            min-width: 200px;
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid transparent;
            transition: all var(--transition-fast);
            cursor: default;
        }
        .ticker-match:hover {
            border-color: var(--border-medium);
            background: var(--bg-elevated);
        }
        .ticker-match .score {
            font-weight: 700;
            font-size: 1.1rem;
            color: #fff;
            font-family: var(--font-mono);
            letter-spacing: 0.04em;
        }
        .ticker-match .score-live {
            color: var(--primary);
        }
        .ticker-match .team {
            color: var(--text-secondary);
            white-space: nowrap;
            max-width: 80px;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .ticker-match .minute {
            font-size: 0.72rem;
            color: var(--accent-light);
            font-weight: 600;
            white-space: nowrap;
        }

        /* SECTION */
        .section {
            padding: 52px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 36px;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .section-title {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .section-desc {
            color: var(--text-muted);
            max-width: 500px;
            margin: 0 auto;
            font-size: 0.95rem;
        }

        /* CARDS GRID */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
            gap: 20px;
        }
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius);
            padding: 26px 24px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .card:hover {
            border-color: var(--border-medium);
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .card-icon--green {
            background: rgba(0, 230, 118, 0.15);
            color: var(--primary);
        }
        .card-icon--orange {
            background: rgba(255, 109, 0, 0.15);
            color: var(--accent-light);
        }
        .card-icon--blue {
            background: rgba(60, 140, 255, 0.15);
            color: #5ba0ff;
        }
        .card-icon--purple {
            background: rgba(160, 100, 255, 0.15);
            color: #b38fff;
        }
        .card-title {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 8px;
            color: #fff;
        }
        .card-text {
            color: var(--text-muted);
            font-size: 0.88rem;
            line-height: 1.55;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 14px;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--primary);
            transition: gap var(--transition-fast);
        }
        .card-link:hover {
            gap: 10px;
            color: #00f57a;
        }
        .card-link i {
            font-size: 0.7rem;
        }

        /* RANKING TABLE */
        .ranking-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius);
            border: 1px solid var(--border-subtle);
            background: var(--bg-card);
            box-shadow: var(--shadow);
        }
        .ranking-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 650px;
            font-size: 0.9rem;
        }
        .ranking-table thead th {
            background: var(--bg-surface);
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
            color: var(--text-secondary);
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            white-space: nowrap;
        }
        .ranking-table tbody td {
            padding: 13px 16px;
            border-top: 1px solid var(--border-subtle);
            color: var(--text-primary);
            white-space: nowrap;
        }
        .ranking-table tbody tr {
            transition: background var(--transition-fast);
        }
        .ranking-table tbody tr:hover {
            background: var(--bg-surface);
        }
        .rank-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            font-weight: 700;
            font-size: 0.8rem;
        }
        .rank-badge--top {
            background: var(--accent-glow);
            color: var(--accent-light);
        }
        .rank-badge--normal {
            background: var(--bg-surface);
            color: var(--text-muted);
        }
        .score-highlight {
            font-weight: 700;
            color: var(--primary);
            font-family: var(--font-mono);
        }

        /* STATS ROW */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 20px;
        }
        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition);
        }
        .stat-card:hover {
            border-color: var(--border-medium);
            box-shadow: var(--shadow);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: #fff;
            font-family: var(--font-mono);
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-number--green {
            color: var(--primary);
        }
        .stat-number--orange {
            color: var(--accent-light);
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* FEATURE BAND */
        .feature-band {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            align-items: center;
            box-shadow: var(--shadow);
        }
        .feature-band-content {
            flex: 1;
            min-width: 260px;
        }
        .feature-band-content h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .feature-band-content p {
            color: var(--text-secondary);
            margin-bottom: 18px;
            line-height: 1.6;
        }
        .feature-band-visual {
            flex: 0 0 auto;
            min-width: 200px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .feature-icon-large {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(0, 230, 118, 0.2), rgba(0, 200, 100, 0.08));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5rem;
            color: var(--primary);
            box-shadow: 0 0 40px var(--primary-glow);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-medium);
        }
        .faq-question {
            width: 100%;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            font-size: 0.95rem;
            color: #fff;
            text-align: left;
            background: transparent;
            cursor: pointer;
            gap: 14px;
        }
        .faq-question i {
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition);
            padding: 0 22px;
            color: var(--text-secondary);
            font-size: 0.88rem;
            line-height: 1.6;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        /* CTA BAND */
        .cta-band {
            background: linear-gradient(135deg, var(--bg-elevated), var(--bg-card));
            border: 1px solid var(--border-medium);
            border-radius: var(--radius-lg);
            padding: 44px 32px;
            text-align: center;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }
        .cta-band::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 230, 118, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-band h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            position: relative;
        }
        .cta-band p {
            color: var(--text-secondary);
            margin-bottom: 22px;
            position: relative;
        }

        /* FOOTER */
        .site-footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border-subtle);
            padding: 40px 0 28px;
            margin-top: 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 28px;
            margin-bottom: 28px;
        }
        .footer-col h4 {
            font-weight: 700;
            font-size: 0.9rem;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.84rem;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-brand {
            font-weight: 700;
            color: var(--text-primary);
            font-size: 1rem;
        }

        /* MOBILE NAV OVERLAY */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(6, 11, 31, 0.96);
            z-index: 999;
            flex-direction: column;
            padding: 24px 20px;
            gap: 6px;
            overflow-y: auto;
        }
        .mobile-nav-overlay.active {
            display: flex;
        }
        .mobile-nav-overlay a {
            display: block;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-primary);
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
        }
        .mobile-nav-overlay a:hover,
        .mobile-nav-overlay a.active {
            color: var(--primary);
            border-color: var(--primary);
            background: rgba(0, 230, 118, 0.06);
        }

        /* RESPONSIVE */
        @media (max-width: 1023px) {
            .channel-nav {
                gap: 2px;
            }
            .channel-nav a {
                padding: 6px 14px;
                font-size: 0.82rem;
            }
            .hero {
                padding: 36px 0 30px;
            }
            .feature-band {
                flex-direction: column;
                text-align: center;
            }
            .feature-band-visual {
                order: -1;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 767px) {
            .brand-row {
                height: 56px;
            }
            .logo-link {
                font-size: 1.15rem;
                gap: 7px;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
            .channel-row {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .btn {
                padding: 11px 22px;
                font-size: 0.85rem;
            }
            .section {
                padding: 34px 0;
            }
            .cards-grid {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .ranking-table-wrap {
                border-radius: var(--radius-sm);
            }
            .feature-band {
                padding: 28px 20px;
            }
            .cta-band {
                padding: 30px 20px;
            }
            .cta-band h3 {
                font-size: 1.3rem;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .live-ticker-scroll {
                padding: 4px 6px;
            }
            .ticker-match {
                min-width: 160px;
                padding: 8px 14px;
                font-size: 0.78rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 12px;
            }
            .hero {
                padding: 24px 0 20px;
            }
            .hero-title {
                font-size: 1.4rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-card {
                padding: 16px 12px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .card {
                padding: 20px 16px;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .feature-band {
                padding: 22px 16px;
            }
            .feature-icon-large {
                width: 70px;
                height: 70px;
                font-size: 1.8rem;
            }
            .faq-question {
                font-size: 0.85rem;
                padding: 14px 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #FF4D6D;
            --primary-hover: #E63E5C;
            --secondary: #00D2FF;
            --bg-body: #0B0E14;
            --bg-card: #151A25;
            --bg-nav: #111620;
            --text-primary: #F0F2F5;
            --text-secondary: #A2A9B6;
            --text-muted: #6C727E;
            --border: #242A35;
            --success: #00E676;
            --warning: #FFB300;
            --gradient-hero: linear-gradient(135deg, #FF4D6D 0%, #D93B5C 100%);
            --shadow-sm: 0 2px 6px rgba(0,0,0,0.3);
            --shadow-md: 0 8px 20px rgba(0,0,0,0.4);
            --shadow-lg: 0 16px 32px rgba(0,0,0,0.5);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-full: 999px;
            --transition: 0.25s ease;
            --container: 1200px;
            --header-height: 70px;
        }

        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, sans-serif;
            background-color: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { text-decoration: none; color: inherit; }
        img { max-width: 100%; display: block; }
        ul, ol { list-style: none; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; }
        button { cursor: pointer; border: none; background: none; }

        .container {
            width: 100%;
            max-width: var(--container);
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* 品牌行 */
        .brand-bar {
            background: var(--bg-nav);
            border-bottom: 1px solid var(--border);
            height: var(--header-height);
            display: flex;
            align-items: center;
            padding: 0 20px;
            position: relative;
            z-index: 100;
        }
        .brand-bar .inner {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo i { color: var(--primary); font-size: 1.8rem; }
        .live-indicator {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,77,109,0.12);
            padding: 6px 16px;
            border-radius: var(--radius-full);
            border: 1px solid rgba(255,77,109,0.25);
            font-size: 0.9rem;
            color: var(--primary);
            font-weight: 600;
        }
        .live-dot {
            width: 10px;
            height: 10px;
            background: var(--primary);
            border-radius: 50%;
            animation: pulse 1.8s infinite;
            box-shadow: 0 0 10px var(--primary);
        }
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(255,77,109,0.7); }
            70% { box-shadow: 0 0 0 10px rgba(255,77,109,0); }
            100% { box-shadow: 0 0 0 0 rgba(255,77,109,0); }
        }

        /* 频道导航 */
        .channel-nav-wrapper {
            background: #0D1119;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 99;
        }
        .channel-nav {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            gap: 32px;
            overflow-x: auto;
            white-space: nowrap;
            -webkit-overflow-scrolling: touch;
        }
        .channel-nav a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 14px 4px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-secondary);
            border-bottom: 3px solid transparent;
            transition: color var(--transition), border-color var(--transition);
            position: relative;
        }
        .channel-nav a:hover { color: var(--text-primary); }
        .channel-nav a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }
        .channel-tag {
            background: var(--primary);
            color: #fff;
            font-size: 0.7rem;
            padding: 2px 8px;
            border-radius: var(--radius-full);
            font-weight: 700;
            letter-spacing: 0.5px;
        }
        .channel-nav a.active .channel-tag {
            background: var(--primary);
        }

        /* 移动端频道滚动隐藏滚动条 */
        .channel-nav::-webkit-scrollbar { height: 0; }

        /* 主要内容 */
        main { flex: 1; padding-bottom: 60px; }

        /* Hero */
        .hero-category {
            padding: 70px 0 50px;
            text-align: center;
            background: radial-gradient(circle at 30% 30%, rgba(255,77,109,0.12), transparent 60%);
        }
        .hero-category .badge {
            display: inline-block;
            background: rgba(255,77,109,0.15);
            color: var(--primary);
            border: 1px solid rgba(255,77,109,0.3);
            padding: 6px 18px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 20px;
        }
        .hero-category h1 {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.2;
            background: linear-gradient(to right, #fff, #ccd0dd);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-category .subtitle {
            font-size: 1.2rem;
            color: var(--text-secondary);
            max-width: 700px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--gradient-hero);
            color: #fff;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            letter-spacing: 0.5px;
            transition: transform var(--transition), box-shadow var(--transition);
            box-shadow: var(--shadow-md);
            font-size: 1rem;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(255,77,109,0.4);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 2px solid var(--primary);
            color: var(--primary);
            font-weight: 700;
            padding: 12px 28px;
            border-radius: var(--radius-full);
            transition: background var(--transition), color var(--transition);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
        }
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 40px;
        }
        .stat-item {
            text-align: center;
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-primary);
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* 板块通用 */
        .section { padding: 70px 0; }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            text-align: center;
            margin-bottom: 12px;
        }
        .section-desc {
            text-align: center;
            color: var(--text-secondary);
            max-width: 680px;
            margin: 0 auto 48px;
            font-size: 1.05rem;
        }

        /* 卖点卡片 */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 28px;
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            transition: transform var(--transition), box-shadow var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            background: rgba(255,77,109,0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-md);
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 20px;
        }
        .feature-card h3 {
            font-size: 1.25rem;
            margin-bottom: 10px;
            font-weight: 700;
        }
        .feature-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* 场景 */
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }
        .scenario-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px;
            border-left: 4px solid var(--primary);
            transition: box-shadow var(--transition);
        }
        .scenario-card:hover { box-shadow: var(--shadow-md); }
        .scenario-card h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }
        .scenario-card p { color: var(--text-muted); font-size: 0.9rem; }

        /* 流程步骤 */
        .steps {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 30px;
            counter-reset: step;
        }
        .step {
            flex: 1 1 180px;
            max-width: 220px;
            text-align: center;
            position: relative;
        }
        .step-number {
            width: 50px;
            height: 50px;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.4rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 6px 18px rgba(255,77,109,0.5);
        }
        .step h4 { font-weight: 700; margin-bottom: 6px; }
        .step p { color: var(--text-muted); font-size: 0.9rem; }

        /* FAQ */
        .faq-grid {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            transition: background var(--transition);
        }
        .faq-item:hover { background: #1c2130; }
        .faq-question {
            font-weight: 700;
            font-size: 1.05rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: default;
        }
        .faq-answer {
            color: var(--text-secondary);
            margin-top: 10px;
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* CTA */
        .cta-band {
            background: linear-gradient(135deg, #1a1f2b, #0f131c);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 50px 30px;
            text-align: center;
            margin-top: 20px;
        }
        .cta-band h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-band p {
            color: var(--text-secondary);
            margin-bottom: 28px;
        }

        /* Footer */
        .site-footer {
            background: #0A0D14;
            border-top: 1px solid var(--border);
            padding: 50px 0 30px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            font-size: 1.1rem;
            margin-bottom: 16px;
            color: #fff;
        }
        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 8px;
            transition: color var(--transition);
        }
        .footer-col a:hover { color: var(--primary); }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            color: var(--text-muted);
            font-size: 0.85rem;
            border-top: 1px solid var(--border);
            padding-top: 24px;
        }
        .footer-brand { font-weight: 700; color: var(--text-primary); }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-category h1 { font-size: 2.2rem; }
            .stat-number { font-size: 1.8rem; }
        }
        @media (max-width: 768px) {
            .hero-category { padding: 50px 0 40px; }
            .hero-category h1 { font-size: 1.8rem; }
            .hero-stats { gap: 24px; }
            .section { padding: 50px 0; }
            .section-title { font-size: 1.6rem; }
            .channel-nav { gap: 20px; }
            .brand-bar .inner { flex-direction: column; gap: 8px; align-items: flex-start; }
            .brand-bar { height: auto; padding: 12px 20px; }
        }
        @media (max-width: 520px) {
            .hero-category h1 { font-size: 1.6rem; }
            .container { padding-left: 16px; padding-right: 16px; }
            .channel-nav { gap: 14px; font-size: 0.8rem; }
            .logo { font-size: 1.3rem; }
        }