/* roulang page: index */
:root {
            --primary: #0f1729;
            --primary-light: #1a2744;
            --accent: #00e599;
            --accent-glow: #00ffaa;
            --danger: #ff3d5c;
            --warning: #ffb347;
            --surface: #141e33;
            --surface-light: #1c2a42;
            --card-bg: #1a2744;
            --card-border: #243352;
            --text-primary: #f0f2f5;
            --text-secondary: #b0bdd0;
            --text-muted: #6b7d95;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(0, 229, 153, 0.2);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: #0a0f1a;
            color: var(--text-primary);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }

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

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 23, 41, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition);
        }

        .site-header.scrolled {
            background: rgba(15, 23, 41, 0.96);
            box-shadow: var(--shadow);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 20px;
        }

        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent), #00c47a);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #0a0f1a;
            font-weight: 900;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: nowrap;
        }

        .nav-links li a {
            display: block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            letter-spacing: 0.01em;
        }

        .nav-links li a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-links li a.active {
            color: var(--accent);
            background: rgba(0, 229, 153, 0.1);
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-search input {
            width: 180px;
            padding: 9px 14px 9px 38px;
            border-radius: 22px;
            border: 1px solid var(--card-border);
            background: var(--surface);
            color: var(--text-primary);
            font-size: 0.85rem;
            transition: all var(--transition);
            font-family: inherit;
        }

        .nav-search input:focus {
            width: 220px;
            border-color: var(--accent);
            outline: none;
            box-shadow: var(--shadow-glow);
        }

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

        .nav-search .search-icon {
            position: absolute;
            left: 13px;
            color: var(--text-muted);
            font-size: 0.85rem;
            pointer-events: none;
        }

        .btn-nav-cta {
            padding: 9px 20px;
            border-radius: 22px;
            background: var(--accent);
            color: #0a0f1a;
            font-weight: 700;
            font-size: 0.85rem;
            white-space: nowrap;
            letter-spacing: 0.01em;
            border: none;
        }

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

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            padding: 6px;
            border-radius: 6px;
        }

        .mobile-menu-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 7px 11px;
                font-size: 0.82rem;
            }
            .nav-search input {
                width: 140px;
            }
            .nav-search input:focus {
                width: 170px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(15, 23, 41, 0.98);
                backdrop-filter: blur(18px);
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                border-bottom: 1px solid var(--card-border);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 0.95rem;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-search {
                display: none;
            }
            .btn-nav-cta {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
        }

        /* Section spacing */
        .section-py {
            padding: 60px 0;
        }
        @media (max-width: 768px) {
            .section-py {
                padding: 40px 0;
            }
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 8px;
            color: #fff;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            margin-bottom: 36px;
            max-width: 600px;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
                margin-bottom: 24px;
            }
        }

        /* Hero coupon wall */
        .hero-coupon-wall {
            position: relative;
            overflow: hidden;
            background: linear-gradient(180deg, #0d1525 0%, #0f1729 40%, #0a0f1a 100%);
            min-height: 620px;
            display: flex;
            align-items: center;
        }
        .hero-coupon-wall::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 60% 30%, rgba(0, 229, 153, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 20% 70%, rgba(255, 61, 92, 0.06) 0%, transparent 55%);
            pointer-events: none;
        }
        .hero-bg-img {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            pointer-events: none;
        }

        /* Main coupon card */
        .main-coupon-card {
            position: relative;
            background: linear-gradient(145deg, #1a2744 0%, #1c2e50 50%, #1a2744 100%);
            border: 2px solid var(--accent);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            text-align: center;
            box-shadow: var(--shadow-lg), 0 0 60px rgba(0, 229, 153, 0.15);
            transition: all var(--transition);
            cursor: default;
            max-width: 500px;
            margin: 0 auto;
        }
        .main-coupon-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg), 0 0 80px rgba(0, 229, 153, 0.25);
            border-color: var(--accent-glow);
        }
        .main-coupon-card .coupon-badge {
            display: inline-block;
            background: var(--accent);
            color: #0a0f1a;
            font-weight: 800;
            font-size: 0.8rem;
            padding: 5px 14px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }
        .main-coupon-card .coupon-title {
            font-size: 2rem;
            font-weight: 900;
            letter-spacing: -0.03em;
            color: #fff;
            margin-bottom: 8px;
        }
        .main-coupon-card .coupon-desc {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: 20px;
            line-height: 1.6;
        }
        .btn-coupon-grab {
            display: inline-block;
            padding: 14px 36px;
            border-radius: 28px;
            background: var(--accent);
            color: #0a0f1a;
            font-weight: 800;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(0, 229, 153, 0.3);
        }
        .btn-coupon-grab:hover {
            background: var(--accent-glow);
            box-shadow: 0 6px 24px rgba(0, 229, 153, 0.45);
            transform: translateY(-2px);
        }

        /* Mini coupon cards */
        .mini-coupon-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            margin-top: 28px;
        }
        .mini-coupon {
            background: var(--surface);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            padding: 18px 20px;
            text-align: center;
            min-width: 130px;
            flex: 1;
            max-width: 180px;
            transition: all var(--transition);
            cursor: pointer;
        }
        .mini-coupon:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .mini-coupon .mini-icon {
            font-size: 1.6rem;
            margin-bottom: 8px;
            color: var(--accent);
        }
        .mini-coupon .mini-label {
            font-weight: 700;
            font-size: 0.85rem;
            color: #fff;
        }
        .mini-coupon .mini-sub {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .hero-coupon-wall {
                min-height: auto;
                padding: 40px 0;
            }
            .main-coupon-card {
                padding: 28px 20px;
                max-width: 100%;
            }
            .main-coupon-card .coupon-title {
                font-size: 1.5rem;
            }
            .mini-coupon-row {
                gap: 10px;
                margin-top: 20px;
            }
            .mini-coupon {
                min-width: 100px;
                padding: 14px 12px;
                flex: 1 1 40%;
                max-width: none;
            }
        }

        /* Horizontal track (片库轨道风格) */
        .track-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding: 8px 0 20px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--card-border) transparent;
        }
        .track-scroll::-webkit-scrollbar {
            height: 5px;
        }
        .track-scroll::-webkit-scrollbar-track {
            background: transparent;
        }
        .track-scroll::-webkit-scrollbar-thumb {
            background: var(--card-border);
            border-radius: 10px;
        }
        .track-card {
            flex: 0 0 200px;
            scroll-snap-align: start;
            border-radius: var(--radius);
            overflow: hidden;
            position: relative;
            background: var(--surface);
            border: 1px solid var(--card-border);
            transition: all var(--transition);
            cursor: pointer;
            min-height: 260px;
            display: flex;
            flex-direction: column;
        }
        .track-card:hover {
            transform: translateY(-4px);
            border-color: var(--accent);
            box-shadow: var(--shadow-lg);
        }
        .track-card img {
            width: 100%;
            height: 140px;
            object-fit: cover;
        }
        .track-card .track-info {
            padding: 14px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .track-card .track-title {
            font-weight: 700;
            font-size: 0.9rem;
            color: #fff;
            line-height: 1.3;
        }
        .track-card .track-cta {
            display: inline-block;
            margin-top: 8px;
            font-size: 0.78rem;
            color: var(--accent);
            font-weight: 600;
        }
        .track-card:hover .track-cta {
            color: var(--accent-glow);
        }
        @media (max-width: 768px) {
            .track-card {
                flex: 0 0 160px;
                min-height: 220px;
            }
            .track-card img {
                height: 110px;
            }
        }

        /* Hot recommend cards */
        .hot-card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }
        .hot-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .hot-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow);
            transform: translateY(-3px);
        }
        .hot-card .hot-badge {
            position: absolute;
            top: 14px;
            right: 14px;
            background: var(--danger);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 12px;
            letter-spacing: 0.03em;
        }
        .hot-card .hot-league {
            font-size: 0.78rem;
            color: var(--accent);
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 6px;
        }
        .hot-card .hot-match {
            font-weight: 800;
            font-size: 1.1rem;
            color: #fff;
            margin-bottom: 4px;
        }
        .hot-card .hot-time {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .hot-card .hot-score {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent);
            letter-spacing: 0.04em;
        }
        .hot-card .hot-score.pending {
            color: var(--text-muted);
            font-size: 1rem;
            font-weight: 600;
        }
        @media (max-width: 768px) {
            .hot-card-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* League zone grid */
        .league-zone-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
            gap: 14px;
        }
        .league-zone-card {
            background: var(--surface);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            padding: 20px 16px;
            text-align: center;
            transition: all var(--transition);
            cursor: pointer;
        }
        .league-zone-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow);
            transform: translateY(-3px);
            background: var(--surface-light);
        }
        .league-zone-card .lz-icon {
            font-size: 2rem;
            margin-bottom: 10px;
        }
        .league-zone-card .lz-name {
            font-weight: 700;
            font-size: 0.9rem;
            color: #fff;
        }
        .league-zone-card .lz-count {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .league-zone-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }
            .league-zone-card {
                padding: 14px 10px;
            }
        }

        /* Hot list */
        .hot-list-numbered {
            list-style: none;
            counter-reset: hotlist;
        }
        .hot-list-numbered li {
            counter-increment: hotlist;
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: var(--surface);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            margin-bottom: 10px;
            transition: all var(--transition);
            cursor: pointer;
        }
        .hot-list-numbered li:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow);
            transform: translateX(4px);
        }
        .hot-list-numbered li::before {
            content: counter(hotlist);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--accent);
            color: #0a0f1a;
            font-weight: 900;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .hot-list-numbered li:nth-child(1)::before {
            background: #ffd700;
            box-shadow: 0 0 16px rgba(255, 215, 0, 0.4);
        }
        .hot-list-numbered li:nth-child(2)::before {
            background: #c0c0c0;
        }
        .hot-list-numbered li:nth-child(3)::before {
            background: #cd7f32;
        }
        .hot-list-numbered .hl-info {
            flex: 1;
        }
        .hot-list-numbered .hl-title {
            font-weight: 700;
            color: #fff;
            font-size: 0.95rem;
        }
        .hot-list-numbered .hl-desc {
            font-size: 0.78rem;
            color: var(--text-secondary);
            margin-top: 2px;
        }
        .btn-sm-outline {
            padding: 7px 16px;
            border-radius: 18px;
            border: 1px solid var(--accent);
            color: var(--accent);
            font-weight: 600;
            font-size: 0.8rem;
            background: transparent;
            white-space: nowrap;
            transition: all var(--transition);
        }
        .btn-sm-outline:hover {
            background: var(--accent);
            color: #0a0f1a;
        }

        /* News area */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 28px;
        }
        .news-list-item {
            display: flex;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--card-border);
            transition: all var(--transition);
        }
        .news-list-item:hover {
            padding-left: 8px;
            border-bottom-color: var(--accent);
        }
        .news-list-item .news-date {
            flex-shrink: 0;
            width: 60px;
            text-align: center;
            font-weight: 700;
            color: var(--accent);
            font-size: 0.8rem;
            line-height: 1.3;
        }
        .news-list-item .news-content h4 {
            font-weight: 700;
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .news-list-item .news-content p {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }
        .news-sidebar {
            background: var(--surface);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 20px;
            height: fit-content;
        }
        .news-sidebar h4 {
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            font-size: 1rem;
        }
        .news-sidebar .side-item {
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 0.85rem;
            color: var(--text-secondary);
            cursor: pointer;
            transition: color var(--transition);
        }
        .news-sidebar .side-item:hover {
            color: var(--accent);
        }
        @media (max-width: 768px) {
            .news-layout {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .news-sidebar {
                order: -1;
            }
        }

        /* Calendar */
        .calendar-strip {
            display: flex;
            gap: 10px;
            overflow-x: auto;
            padding-bottom: 8px;
            scrollbar-width: thin;
            scrollbar-color: var(--card-border) transparent;
        }
        .calendar-strip::-webkit-scrollbar {
            height: 4px;
        }
        .calendar-strip::-webkit-scrollbar-thumb {
            background: var(--card-border);
            border-radius: 8px;
        }
        .cal-day {
            flex: 0 0 100px;
            background: var(--surface);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            padding: 14px 10px;
            text-align: center;
            transition: all var(--transition);
            cursor: pointer;
        }
        .cal-day:hover {
            border-color: var(--accent);
            background: var(--surface-light);
        }
        .cal-day.today {
            border-color: var(--accent);
            background: rgba(0, 229, 153, 0.08);
        }
        .cal-day .cal-date {
            font-weight: 900;
            font-size: 1.3rem;
            color: #fff;
        }
        .cal-day .cal-weekday {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 2px;
        }
        .cal-day .cal-events {
            font-size: 0.7rem;
            color: var(--accent);
            margin-top: 6px;
            font-weight: 600;
        }

        /* Brand intro */
        .brand-intro-block {
            background: var(--surface);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-xl);
            padding: 36px 40px;
            line-height: 1.9;
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        .brand-intro-block strong {
            color: #fff;
        }
        @media (max-width: 768px) {
            .brand-intro-block {
                padding: 24px 20px;
                font-size: 0.88rem;
            }
        }

        /* FAQ */
        .faq-list {
            list-style: none;
            max-width: 800px;
        }
        .faq-list li {
            border-bottom: 1px solid var(--card-border);
            padding: 20px 0;
            cursor: pointer;
            transition: all var(--transition);
        }
        .faq-list li:hover {
            padding-left: 8px;
        }
        .faq-list .faq-q {
            font-weight: 700;
            color: #fff;
            font-size: 1rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .faq-list .faq-q::before {
            content: 'Q';
            color: var(--accent);
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .faq-list .faq-a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-top: 8px;
            padding-left: 28px;
            line-height: 1.6;
        }

        /* CTA section */
        .cta-full {
            background: linear-gradient(145deg, #1a2744 0%, #0f1d35 100%);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-full::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(0, 229, 153, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-full h3 {
            font-size: 1.8rem;
            font-weight: 900;
            color: #fff;
            position: relative;
            z-index: 1;
        }
        .cta-full p {
            color: var(--text-secondary);
            margin: 12px 0 24px;
            position: relative;
            z-index: 1;
        }
        .btn-cta-lg {
            display: inline-block;
            padding: 15px 40px;
            border-radius: 28px;
            background: var(--accent);
            color: #0a0f1a;
            font-weight: 800;
            font-size: 1rem;
            letter-spacing: 0.02em;
            position: relative;
            z-index: 1;
            transition: all var(--transition);
        }
        .btn-cta-lg:hover {
            background: var(--accent-glow);
            box-shadow: 0 8px 30px rgba(0, 229, 153, 0.4);
            transform: translateY(-3px);
        }

        /* Footer */
        .site-footer {
            background: #080d16;
            border-top: 1px solid var(--card-border);
            padding: 48px 0 24px;
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            color: #fff;
            font-weight: 700;
            margin-bottom: 14px;
            font-size: 0.95rem;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding-top: 20px;
            border-top: 1px solid var(--card-border);
            font-size: 0.78rem;
        }
        .footer-bottom a {
            color: var(--text-muted);
            margin: 0 4px;
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0f1729;
            --primary-light: #1a2744;
            --accent: #00e599;
            --accent-glow: #00ffaa;
            --danger: #ff3d5c;
            --warning: #ffb347;
            --surface: #141e33;
            --surface-light: #1c2a42;
            --card-bg: #1a2744;
            --card-border: #243352;
            --text-primary: #f0f2f5;
            --text-secondary: #b0bdd0;
            --text-muted: #6b7d95;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(0, 229, 153, 0.2);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: #0a0f1a;
            color: var(--text-primary);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }

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

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 23, 41, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition);
        }

        .site-header.scrolled {
            background: rgba(15, 23, 41, 0.96);
            box-shadow: var(--shadow);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 20px;
        }

        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent), #00c47a);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #0a0f1a;
            font-weight: 900;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: nowrap;
        }

        .nav-links li a {
            display: block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            letter-spacing: 0.01em;
        }

        .nav-links li a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-links li a.active {
            color: var(--accent);
            background: rgba(0, 229, 153, 0.1);
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-search input {
            width: 180px;
            padding: 9px 14px 9px 38px;
            border-radius: 22px;
            border: 1px solid var(--card-border);
            background: var(--surface);
            color: var(--text-primary);
            font-size: 0.85rem;
            transition: all var(--transition);
            font-family: inherit;
        }

        .nav-search input:focus {
            width: 220px;
            border-color: var(--accent);
            outline: none;
            box-shadow: var(--shadow-glow);
        }

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

        .nav-search .search-icon {
            position: absolute;
            left: 13px;
            color: var(--text-muted);
            font-size: 0.85rem;
            pointer-events: none;
        }

        .btn-nav-cta {
            padding: 9px 20px;
            border-radius: 22px;
            background: var(--accent);
            color: #0a0f1a;
            font-weight: 700;
            font-size: 0.85rem;
            white-space: nowrap;
            letter-spacing: 0.01em;
            border: none;
        }

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

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            padding: 4px;
        }

        /* Hero Section */
        .hero-live {
            position: relative;
            padding: 70px 0 60px;
            background: linear-gradient(180deg, #0f1729 0%, #0a0f1a 100%);
            overflow: hidden;
        }

        .hero-live::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.12;
            pointer-events: none;
            z-index: 0;
        }

        .hero-live .hero-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            background: rgba(0, 229, 153, 0.15);
            color: var(--accent);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            margin-bottom: 20px;
            border: 1px solid rgba(0, 229, 153, 0.25);
        }

        .hero-live h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 16px;
            color: #fff;
        }

        .hero-live .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
            max-width: 580px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        .hero-search-wrap {
            max-width: 560px;
            margin: 0 auto 28px;
            position: relative;
        }

        .hero-search-wrap input {
            width: 100%;
            padding: 16px 50px 16px 24px;
            border-radius: 28px;
            border: 2px solid var(--card-border);
            background: var(--surface);
            color: var(--text-primary);
            font-size: 1rem;
            font-family: inherit;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .hero-search-wrap input:focus {
            border-color: var(--accent);
            outline: none;
            box-shadow: var(--shadow-glow);
        }

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

        .hero-search-wrap .hero-search-btn {
            position: absolute;
            right: 6px;
            top: 50%;
            transform: translateY(-50%);
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--accent);
            color: #0a0f1a;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            border: none;
            transition: all var(--transition);
        }

        .hero-search-wrap .hero-search-btn:hover {
            background: var(--accent-glow);
            box-shadow: var(--shadow-glow);
        }

        .hero-quick-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            max-width: 600px;
            margin: 0 auto;
        }

        .hero-quick-tag {
            padding: 8px 18px;
            border-radius: 20px;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            color: var(--text-secondary);
            font-size: 0.85rem;
            font-weight: 500;
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
        }

        .hero-quick-tag:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(0, 229, 153, 0.06);
            transform: translateY(-2px);
        }

        .hero-quick-tag .tag-icon {
            margin-right: 6px;
        }

        /* Section */
        .section-live {
            padding: 60px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }

        .section-header .section-tag {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 16px;
            background: rgba(0, 229, 153, 0.1);
            color: var(--accent);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 12px;
            border: 1px solid rgba(0, 229, 153, 0.2);
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: #fff;
            margin-bottom: 8px;
        }

        .section-header .section-desc {
            color: var(--text-secondary);
            font-size: 0.95rem;
            max-width: 500px;
            margin: 0 auto;
            line-height: 1.6;
        }

        /* Feature Cards */
        .feature-card-live {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card-live:hover {
            border-color: rgba(0, 229, 153, 0.4);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }

        .feature-card-live .feature-icon-box {
            width: 48px;
            height: 48px;
            border-radius: var(--radius);
            background: rgba(0, 229, 153, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent);
            margin-bottom: 16px;
        }

        .feature-card-live h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

        .feature-card-live p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        /* League Grid */
        .league-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 20px;
            text-align: center;
            transition: all var(--transition);
            cursor: pointer;
        }

        .league-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }

        .league-card .league-icon {
            font-size: 2.5rem;
            margin-bottom: 10px;
        }

        .league-card .league-name {
            font-weight: 700;
            color: #fff;
            font-size: 1rem;
            margin-bottom: 4px;
        }

        .league-card .league-count {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .league-card .live-badge {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 10px;
            background: var(--danger);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            animation: pulse-dot 1.5s infinite;
            margin-top: 6px;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.5;
            }
        }

        /* Step Flow */
        .step-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 20px 0;
            border-bottom: 1px solid var(--card-border);
            transition: all var(--transition);
        }

        .step-item:last-child {
            border-bottom: none;
        }

        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), #00c47a);
            color: #0a0f1a;
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .step-info h4 {
            font-weight: 700;
            color: #fff;
            font-size: 1.05rem;
            margin-bottom: 4px;
        }

        .step-info p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.5;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            margin-bottom: 10px;
            background: var(--card-bg);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(0, 229, 153, 0.3);
        }

        .faq-question {
            padding: 18px 20px;
            font-weight: 600;
            color: #fff;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.95rem;
            letter-spacing: 0.01em;
            user-select: none;
        }

        .faq-question .faq-arrow {
            transition: transform var(--transition);
            color: var(--accent);
            font-size: 0.8rem;
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 20px 18px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.65;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* CTA Section */
        .cta-section-live {
            background: linear-gradient(135deg, #1a2744 0%, #0f1729 100%);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .cta-section-live::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(0, 229, 153, 0.08);
            pointer-events: none;
        }

        .cta-section-live h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-section-live p {
            color: var(--text-secondary);
            margin-bottom: 24px;
            font-size: 0.95rem;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-primary {
            padding: 14px 36px;
            border-radius: 28px;
            background: var(--accent);
            color: #0a0f1a;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.01em;
            border: none;
            position: relative;
            z-index: 1;
            transition: all var(--transition);
            box-shadow: var(--shadow-glow);
        }

        .btn-cta-primary:hover {
            background: var(--accent-glow);
            transform: translateY(-2px);
            box-shadow: 0 0 40px rgba(0, 229, 153, 0.35);
        }

        /* Footer */
        .site-footer {
            background: var(--primary);
            border-top: 1px solid var(--card-border);
            padding: 40px 0 0;
            margin-top: 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            padding-bottom: 30px;
            border-bottom: 1px solid var(--card-border);
        }

        .footer-col h4 {
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }

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

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.85rem;
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            padding: 18px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
            transition: color var(--transition);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 8px 10px;
                font-size: 0.8rem;
            }
            .nav-search input {
                width: 140px;
            }
            .nav-search input:focus {
                width: 170px;
            }
            .hero-live h1 {
                font-size: 2.2rem;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(15, 23, 41, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 0;
                gap: 2px;
                border-bottom: 1px solid var(--card-border);
                box-shadow: var(--shadow-lg);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                padding: 12px 24px;
                border-radius: 0;
                font-size: 0.95rem;
            }
            .nav-actions {
                gap: 6px;
            }
            .nav-search input {
                width: 120px;
                padding: 8px 10px 8px 32px;
                font-size: 0.8rem;
            }
            .nav-search input:focus {
                width: 150px;
            }
            .btn-nav-cta {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .hero-live h1 {
                font-size: 1.8rem;
            }
            .hero-live .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-quick-tags {
                gap: 6px;
            }
            .hero-quick-tag {
                padding: 6px 12px;
                font-size: 0.78rem;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .cta-section-live {
                padding: 36px 20px;
            }
            .cta-section-live h2 {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .container-custom {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .hero-live h1 {
                font-size: 1.5rem;
            }
            .hero-live {
                padding: 44px 0 36px;
            }
            .hero-search-wrap input {
                padding: 14px 44px 14px 16px;
                font-size: 0.9rem;
            }
            .hero-search-wrap .hero-search-btn {
                width: 36px;
                height: 36px;
                right: 4px;
                font-size: 0.95rem;
            }
            .section-live {
                padding: 36px 0;
            }
            .feature-card-live {
                padding: 20px 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .nav-search {
                display: none;
            }
            .btn-nav-cta {
                font-size: 0.75rem;
                padding: 7px 12px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0f1729;
            --primary-light: #1a2744;
            --accent: #00e599;
            --accent-glow: #00ffaa;
            --danger: #ff3d5c;
            --warning: #ffb347;
            --surface: #141e33;
            --surface-light: #1c2a42;
            --card-bg: #1a2744;
            --card-border: #243352;
            --text-primary: #f0f2f5;
            --text-secondary: #b0bdd0;
            --text-muted: #6b7d95;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(0, 229, 153, 0.2);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: #0a0f1a;
            color: var(--text-primary);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }

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

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 23, 41, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition);
        }

        .site-header.scrolled {
            background: rgba(15, 23, 41, 0.96);
            box-shadow: var(--shadow);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 20px;
        }

        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent), #00c47a);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #0a0f1a;
            font-weight: 900;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: nowrap;
        }

        .nav-links li a {
            display: block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            letter-spacing: 0.01em;
        }

        .nav-links li a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-links li a.active {
            color: var(--accent);
            background: rgba(0, 229, 153, 0.1);
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-search input {
            width: 180px;
            padding: 9px 14px 9px 38px;
            border-radius: 22px;
            border: 1px solid var(--card-border);
            background: var(--surface);
            color: var(--text-primary);
            font-size: 0.85rem;
            transition: all var(--transition);
            font-family: inherit;
        }

        .nav-search input:focus {
            width: 220px;
            border-color: var(--accent);
            outline: none;
            box-shadow: var(--shadow-glow);
        }

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

        .nav-search .search-icon {
            position: absolute;
            left: 13px;
            color: var(--text-muted);
            font-size: 0.85rem;
            pointer-events: none;
        }

        .btn-nav-cta {
            padding: 9px 20px;
            border-radius: 22px;
            background: var(--accent);
            color: #0a0f1a;
            font-weight: 700;
            font-size: 0.85rem;
            white-space: nowrap;
            letter-spacing: 0.01em;
            border: none;
        }

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

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
        }

        @media (max-width: 1024px) {
            .nav-links {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(15, 23, 41, 0.97);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--card-border);
                transform: translateY(-120%);
                opacity: 0;
                transition: all 0.35s ease;
                z-index: 999;
                box-shadow: var(--shadow-lg);
            }

            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
            }

            .nav-links li a {
                width: 100%;
                padding: 12px 18px;
                border-radius: var(--radius-sm);
                font-size: 1rem;
            }

            .mobile-menu-toggle {
                display: block;
            }

            .nav-search {
                display: none;
            }

            .btn-nav-cta {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            .nav-logo {
                font-size: 1.2rem;
                gap: 6px;
            }
            .nav-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .btn-nav-cta {
                padding: 7px 14px;
                font-size: 0.75rem;
            }
            .nav-inner {
                gap: 10px;
            }
        }

        /* Hero Section */
        .hero-basketball {
            position: relative;
            background: linear-gradient(180deg, #0d1525 0%, #111d35 40%, #0a0f1a 100%);
            overflow: hidden;
            padding: 60px 0 80px;
        }

        .hero-basketball::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -180px;
            width: 550px;
            height: 550px;
            background: radial-gradient(circle, rgba(0, 229, 153, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-basketball::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -120px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 179, 71, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: 24px;
            background: rgba(0, 229, 153, 0.1);
            border: 1px solid rgba(0, 229, 153, 0.25);
            color: var(--accent);
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.02em;
        }

        .hero-badge .pulse-dot {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: var(--accent);
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(0, 229, 153, 0.6);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(0, 229, 153, 0);
            }
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 900;
            letter-spacing: -0.03em;
            line-height: 1.2;
            color: #fff;
        }

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

        .hero-desc {
            color: var(--text-secondary);
            font-size: 1.15rem;
            line-height: 1.8;
            max-width: 620px;
        }

        .hero-stats-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .hero-stat-num {
            font-size: 2.2rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.02em;
        }

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

        /* Tier Cards */
        .tier-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition);
            position: relative;
        }

        .tier-card:hover {
            border-color: rgba(255, 255, 255, 0.15);
            box-shadow: var(--shadow);
            transform: translateY(-4px);
        }

        .tier-card.recommended {
            border-color: var(--accent);
            background: linear-gradient(180deg, rgba(0, 229, 153, 0.08) 0%, var(--card-bg) 30%);
            box-shadow: var(--shadow-glow);
            transform: scale(1.03);
            z-index: 2;
        }

        .tier-card.recommended:hover {
            transform: scale(1.04);
            box-shadow: 0 0 50px rgba(0, 229, 153, 0.3);
        }

        .tier-recommend-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: #0a0f1a;
            padding: 6px 18px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.8rem;
            letter-spacing: 0.03em;
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(0, 229, 153, 0.3);
        }

        .tier-price {
            font-size: 2.6rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.03em;
        }

        .tier-price span {
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-muted);
        }

        .tier-feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .tier-feature-list li {
            padding: 8px 0;
            color: var(--text-secondary);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 10px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .tier-feature-list li:last-child {
            border-bottom: none;
        }

        .tier-feature-list li i {
            color: var(--accent);
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .btn-tier {
            display: block;
            width: 100%;
            padding: 13px 20px;
            border-radius: 26px;
            font-weight: 700;
            font-size: 0.95rem;
            text-align: center;
            letter-spacing: 0.01em;
            transition: all var(--transition);
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            border: 1px solid var(--card-border);
        }

        .btn-tier:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.2);
        }

        .btn-tier.recommended-btn {
            background: var(--accent);
            color: #0a0f1a;
            border-color: var(--accent);
            font-weight: 800;
        }

        .btn-tier.recommended-btn:hover {
            background: var(--accent-glow);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-stat-num {
                font-size: 1.6rem;
            }
            .tier-card.recommended {
                transform: scale(1);
            }
            .tier-card.recommended:hover {
                transform: scale(1.01);
            }
            .hero-basketball {
                padding: 40px 0 50px;
            }
        }

        /* Section Styles */
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            margin-bottom: 8px;
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 600px;
        }

        .section-header {
            margin-bottom: 40px;
        }

        /* Feature Cards */
        .feature-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: all var(--transition);
            height: 100%;
        }

        .feature-card:hover {
            border-color: rgba(255, 255, 255, 0.18);
            box-shadow: var(--shadow);
            transform: translateY(-3px);
        }

        .feature-icon-circle {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            background: rgba(0, 229, 153, 0.12);
            color: var(--accent);
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .feature-card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* League Cards */
        .league-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            padding: 20px 16px;
            text-align: center;
            transition: all var(--transition);
            cursor: default;
        }

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

        .league-card .league-icon {
            font-size: 2.4rem;
            margin-bottom: 10px;
            display: block;
        }

        .league-card .league-name {
            font-weight: 700;
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 4px;
        }

        .league-card .league-count {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* Data Highlight */
        .data-highlight-block {
            background: var(--surface);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-xl);
            padding: 40px 32px;
            position: relative;
            overflow: hidden;
        }

        .data-highlight-block::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(0, 229, 153, 0.07) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .data-highlight-num {
            font-size: 3.5rem;
            font-weight: 900;
            letter-spacing: -0.04em;
            color: var(--accent);
            line-height: 1;
        }

        .data-highlight-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* Process Steps */
        .process-step {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 20px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .process-step:last-child {
            border-bottom: none;
        }

        .process-step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--accent);
            color: #0a0f1a;
            font-weight: 900;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .process-step-content h4 {
            font-weight: 700;
            color: #fff;
            font-size: 1.05rem;
            margin-bottom: 4px;
        }

        .process-step-content p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        /* FAQ */
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(255, 255, 255, 0.15);
        }

        .faq-question {
            width: 100%;
            padding: 18px 22px;
            background: none;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
        }

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

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

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

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

        /* CTA Section */
        .cta-section {
            background: linear-gradient(180deg, var(--surface) 0%, #0d1a30 100%);
            border-radius: var(--radius-xl);
            padding: 56px 40px;
            text-align: center;
            border: 1px solid var(--card-border);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            left: 50%;
            transform: translateX(-50%);
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 229, 153, 0.1) 0%, transparent 60%);
            border-radius: 50%;
            pointer-events: none;
        }

        .btn-cta-primary {
            display: inline-block;
            padding: 15px 36px;
            border-radius: 28px;
            background: var(--accent);
            color: #0a0f1a;
            font-weight: 800;
            font-size: 1.05rem;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            box-shadow: 0 4px 20px rgba(0, 229, 153, 0.25);
            position: relative;
            z-index: 1;
        }

        .btn-cta-primary:hover {
            background: var(--accent-glow);
            box-shadow: 0 8px 35px rgba(0, 229, 153, 0.4);
            transform: translateY(-3px);
        }

        .btn-cta-outline {
            display: inline-block;
            padding: 14px 34px;
            border-radius: 28px;
            background: transparent;
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            border: 2px solid var(--card-border);
            letter-spacing: 0.02em;
            transition: all var(--transition);
            position: relative;
            z-index: 1;
        }

        .btn-cta-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.04);
        }

        /* Footer */
        .site-footer {
            background: #080d17;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 50px 0 28px;
            margin-top: 60px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            font-weight: 700;
            color: #fff;
            font-size: 1rem;
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }

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

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.88rem;
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
            transition: color var(--transition);
        }

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

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .cta-section {
                padding: 36px 20px;
            }
            .data-highlight-num {
                font-size: 2.4rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .hero-stats-row {
                gap: 16px;
            }
            .hero-stat-num {
                font-size: 1.4rem;
            }
        }

        /* Utility */
        .text-accent {
            color: var(--accent);
        }
        .bg-surface {
            background: var(--surface);
        }
        .bg-card {
            background: var(--card-bg);
        }
        .text-muted {
            color: var(--text-muted);
        }
        .text-secondary {
            color: var(--text-secondary);
        }
        .rounded-xl {
            border-radius: var(--radius-xl);
        }
        .rounded-lg {
            border-radius: var(--radius-lg);
        }
        .rounded {
            border-radius: var(--radius);
        }
        .shadow-glow {
            box-shadow: var(--shadow-glow);
        }
        .border-card {
            border: 1px solid var(--card-border);
        }
        .gap-section {
            margin-bottom: 80px;
        }
        @media (max-width: 768px) {
            .gap-section {
                margin-bottom: 50px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0f1729;
            --primary-light: #1a2744;
            --accent: #00e599;
            --accent-glow: #00ffaa;
            --danger: #ff3d5c;
            --warning: #ffb347;
            --surface: #141e33;
            --surface-light: #1c2a42;
            --card-bg: #1a2744;
            --card-border: #243352;
            --text-primary: #f0f2f5;
            --text-secondary: #b0bdd0;
            --text-muted: #6b7d95;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(0, 229, 153, 0.2);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: #0a0f1a;
            color: var(--text-primary);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
        }

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }

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

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 23, 41, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition);
        }

        .site-header.scrolled {
            background: rgba(15, 23, 41, 0.96);
            box-shadow: var(--shadow);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 20px;
        }

        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent), #00c47a);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #0a0f1a;
            font-weight: 900;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: nowrap;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            letter-spacing: 0.01em;
        }

        .nav-links li a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-links li a.active {
            color: var(--accent);
            background: rgba(0, 229, 153, 0.1);
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-search input {
            width: 180px;
            padding: 9px 14px 9px 38px;
            border-radius: 22px;
            border: 1px solid var(--card-border);
            background: var(--surface);
            color: var(--text-primary);
            font-size: 0.85rem;
            transition: all var(--transition);
            font-family: inherit;
        }

        .nav-search input:focus {
            width: 220px;
            border-color: var(--accent);
            outline: none;
            box-shadow: var(--shadow-glow);
        }

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

        .nav-search .search-icon {
            position: absolute;
            left: 13px;
            color: var(--text-muted);
            font-size: 0.85rem;
            pointer-events: none;
        }

        .btn-nav-cta {
            padding: 9px 20px;
            border-radius: 22px;
            background: var(--accent);
            color: #0a0f1a;
            font-weight: 700;
            font-size: 0.85rem;
            white-space: nowrap;
            letter-spacing: 0.01em;
            border: none;
        }

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

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            padding: 4px 8px;
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 6px 10px;
                font-size: 0.8rem;
            }
            .nav-search input {
                width: 130px;
                font-size: 0.8rem;
            }
            .nav-search input:focus {
                width: 160px;
            }
            .btn-nav-cta {
                padding: 7px 14px;
                font-size: 0.78rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(15, 23, 41, 0.98);
                backdrop-filter: blur(18px);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                box-shadow: var(--shadow-lg);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 0.95rem;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-actions {
                gap: 6px;
            }
            .nav-search input {
                width: 100px;
                font-size: 0.78rem;
                padding: 8px 10px 8px 32px;
            }
            .nav-search input:focus {
                width: 130px;
            }
            .btn-nav-cta {
                padding: 7px 12px;
                font-size: 0.75rem;
            }
        }

        @media (max-width: 520px) {
            .nav-actions {
                gap: 4px;
            }
            .nav-search {
                display: none;
            }
            .btn-nav-cta {
                padding: 6px 10px;
                font-size: 0.72rem;
                border-radius: 18px;
            }
            .nav-logo {
                font-size: 1.2rem;
                gap: 5px;
            }
            .nav-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
                border-radius: 6px;
            }
        }

        /* Hero - 全宽沉浸KV */
        .hero-kv {
            position: relative;
            width: 100%;
            min-height: 580px;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        .hero-kv::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 15, 26, 0.55) 0%, rgba(10, 15, 26, 0.82) 60%, #0a0f1a 100%);
            z-index: 1;
        }

        .hero-kv::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(0, 229, 153, 0.06) 0%, transparent 70%);
            z-index: 1;
        }

        .hero-kv-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            padding: 60px 24px;
        }

        .hero-kv-badge {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 20px;
            background: rgba(0, 229, 153, 0.15);
            border: 1px solid rgba(0, 229, 153, 0.3);
            color: var(--accent);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
        }

        .hero-kv h1 {
            font-size: 3rem;
            font-weight: 900;
            letter-spacing: -0.03em;
            color: #fff;
            margin: 0 0 16px;
            line-height: 1.2;
        }

        .hero-kv h1 .accent-text {
            color: var(--accent);
            text-shadow: 0 0 40px rgba(0, 229, 153, 0.35);
        }

        .hero-kv-subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            margin: 0 0 32px;
            line-height: 1.6;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* 倒计时条 */
        .countdown-bar {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
            background: rgba(20, 30, 51, 0.7);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 50px;
            padding: 14px 28px;
            margin-bottom: 28px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }

        .countdown-label {
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            white-space: nowrap;
        }

        .countdown-label i {
            color: var(--warning);
            margin-right: 5px;
        }

        .countdown-digits {
            display: flex;
            gap: 6px;
            align-items: center;
        }

        .countdown-digit {
            background: var(--accent);
            color: #0a0f1a;
            font-weight: 900;
            font-size: 1.3rem;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-variant-numeric: tabular-nums;
            font-family: 'SF Mono', 'Consolas', 'Menlo', monospace;
        }

        .countdown-sep {
            color: var(--accent);
            font-weight: 700;
            font-size: 1.1rem;
        }

        .countdown-match-name {
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            white-space: nowrap;
        }

        .hero-kv-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-hero-primary {
            padding: 14px 32px;
            border-radius: 50px;
            background: var(--accent);
            color: #0a0f1a;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.01em;
            box-shadow: var(--shadow-glow);
            transition: all var(--transition);
            border: none;
            white-space: nowrap;
        }

        .btn-hero-primary:hover {
            background: var(--accent-glow);
            transform: translateY(-2px);
            box-shadow: 0 0 45px rgba(0, 229, 153, 0.35);
        }

        .btn-hero-secondary {
            padding: 14px 32px;
            border-radius: 50px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.01em;
            border: 2px solid rgba(255, 255, 255, 0.35);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-hero-secondary:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.06);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .hero-kv {
                min-height: 480px;
            }
            .hero-kv h1 {
                font-size: 2rem;
            }
            .hero-kv-subtitle {
                font-size: 1rem;
            }
            .countdown-bar {
                padding: 10px 18px;
                gap: 6px;
                border-radius: 36px;
            }
            .countdown-digit {
                width: 34px;
                height: 34px;
                font-size: 1rem;
                border-radius: 7px;
            }
            .countdown-label {
                font-size: 0.78rem;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .hero-kv {
                min-height: 420px;
            }
            .hero-kv h1 {
                font-size: 1.55rem;
            }
            .hero-kv-subtitle {
                font-size: 0.9rem;
            }
            .countdown-bar {
                padding: 8px 14px;
                border-radius: 30px;
                gap: 3px;
            }
            .countdown-digit {
                width: 28px;
                height: 28px;
                font-size: 0.85rem;
                border-radius: 6px;
            }
            .countdown-sep {
                font-size: 0.85rem;
            }
            .countdown-label {
                font-size: 0.7rem;
            }
            .countdown-match-name {
                font-size: 0.75rem;
            }
            .hero-kv-buttons {
                flex-direction: column;
                align-items: center;
                gap: 10px;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                width: 100%;
                max-width: 280px;
                text-align: center;
            }
        }

        /* Section通用 */
        .section {
            padding: 72px 0;
        }

        .section-dark {
            background: #0d1322;
        }

        .section-surface {
            background: var(--surface);
        }

        .section-label {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 20px;
            background: rgba(0, 229, 153, 0.08);
            color: var(--accent);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            margin: 0 0 12px;
            line-height: 1.25;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin: 0 0 40px;
            line-height: 1.6;
            max-width: 650px;
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 28px;
            }
        }

        /* 卡片 */
        .card-feature {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .card-feature:hover {
            border-color: rgba(0, 229, 153, 0.3);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }

        .card-feature .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: rgba(0, 229, 153, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent);
            margin-bottom: 16px;
        }

        .card-feature h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
        }

        .card-feature p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.55;
        }

        /* 数据统计卡 */
        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            transition: all var(--transition);
        }

        .stat-card:hover {
            border-color: rgba(0, 229, 153, 0.25);
            box-shadow: var(--shadow);
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--accent);
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* 比分卡片 */
        .score-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 20px;
            transition: all var(--transition);
        }

        .score-card:hover {
            border-color: rgba(0, 229, 153, 0.3);
            box-shadow: var(--shadow);
        }

        .score-card .match-league {
            font-size: 0.75rem;
            color: var(--text-muted);
            font-weight: 500;
            margin-bottom: 8px;
        }

        .score-card .match-teams {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 6px;
        }

        .score-card .team-name {
            font-weight: 700;
            color: #fff;
            font-size: 1rem;
            flex: 1;
            text-align: center;
        }

        .score-card .score-display {
            font-size: 1.6rem;
            font-weight: 900;
            color: var(--accent);
            letter-spacing: 0.04em;
            white-space: nowrap;
        }

        .score-card .match-status {
            font-size: 0.7rem;
            color: var(--accent);
            font-weight: 600;
            text-align: center;
            margin-top: 4px;
        }

        .score-card .match-status.live {
            animation: pulse-dot 1.2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.35;
            }
        }

        /* FAQ */
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(0, 229, 153, 0.2);
        }

        .faq-question {
            width: 100%;
            padding: 18px 22px;
            background: none;
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            text-align: left;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            border: none;
            transition: all var(--transition);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition);
            color: var(--text-muted);
            font-size: 0.9rem;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .faq-answer-inner {
            padding: 0 22px 18px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.65;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #0f1a2e 0%, #111d35 50%, #0f1729 100%);
            border-top: 1px solid rgba(0, 229, 153, 0.15);
            border-bottom: 1px solid rgba(0, 229, 153, 0.15);
            position: relative;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(0, 229, 153, 0.4), transparent);
        }

        /* Footer */
        .site-footer {
            background: #080d17;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 48px 0 28px;
            color: var(--text-secondary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin: 0 0 14px;
        }

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

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.88rem;
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
            transition: color var(--transition);
        }

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

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #0f1729;
            --primary-light: #1a2744;
            --accent: #00e599;
            --accent-glow: #00ffaa;
            --danger: #ff3d5c;
            --warning: #ffb347;
            --surface: #141e33;
            --surface-light: #1c2a42;
            --card-bg: #1a2744;
            --card-border: #243352;
            --text-primary: #f0f2f5;
            --text-secondary: #b0bdd0;
            --text-muted: #6b7d95;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(0, 229, 153, 0.2);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: #0a0f1a;
            color: var(--text-primary);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }

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

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 23, 41, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition);
        }

        .site-header.scrolled {
            background: rgba(15, 23, 41, 0.96);
            box-shadow: var(--shadow);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 20px;
        }

        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent), #00c47a);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #0a0f1a;
            font-weight: 900;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: nowrap;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            letter-spacing: 0.01em;
        }

        .nav-links li a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-links li a.active {
            color: var(--accent);
            background: rgba(0, 229, 153, 0.1);
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-search input {
            width: 180px;
            padding: 9px 14px 9px 38px;
            border-radius: 22px;
            border: 1px solid var(--card-border);
            background: var(--surface);
            color: var(--text-primary);
            font-size: 0.85rem;
            transition: all var(--transition);
            font-family: inherit;
        }

        .nav-search input:focus {
            width: 220px;
            border-color: var(--accent);
            outline: none;
            box-shadow: var(--shadow-glow);
        }

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

        .nav-search .search-icon {
            position: absolute;
            left: 13px;
            color: var(--text-muted);
            font-size: 0.85rem;
            pointer-events: none;
        }

        .btn-nav-cta {
            padding: 9px 20px;
            border-radius: 22px;
            background: var(--accent);
            color: #0a0f1a;
            font-weight: 700;
            font-size: 0.85rem;
            white-space: nowrap;
            letter-spacing: 0.01em;
            border: none;
        }

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

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            padding: 4px;
        }

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 28px;
            background: var(--accent);
            color: #0a0f1a;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.01em;
            border: none;
            transition: all var(--transition);
            box-shadow: var(--shadow-glow);
        }

        .btn-primary:hover {
            background: var(--accent-glow);
            box-shadow: 0 0 40px rgba(0, 229, 153, 0.35);
            transform: translateY(-2px);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: 28px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid var(--card-border);
            letter-spacing: 0.01em;
            transition: all var(--transition);
        }

        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            box-shadow: var(--shadow-glow);
        }

        /* Section spacing */
        .section-py {
            padding: 80px 0;
        }

        .section-pt {
            padding-top: 80px;
        }

        .section-pb {
            padding-bottom: 80px;
        }

        /* Cards */
        .card-stat {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .card-stat:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

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

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

        /* Time slot cards */
        .time-slot-card {
            background: var(--surface);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition);
            cursor: pointer;
            position: relative;
        }

        .time-slot-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }

        .time-slot-card.selected {
            border-color: var(--accent);
            background: rgba(0, 229, 153, 0.08);
            box-shadow: var(--shadow-glow);
        }

        .time-slot-card .slot-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.4rem;
            color: var(--accent);
            transition: all var(--transition);
        }

        .time-slot-card:hover .slot-icon {
            background: rgba(0, 229, 153, 0.15);
            box-shadow: var(--shadow-glow);
        }

        .time-slot-card.selected .slot-icon {
            background: var(--accent);
            color: #0a0f1a;
        }

        /* Badge */
        .badge-accent {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 20px;
            background: rgba(0, 229, 153, 0.12);
            color: var(--accent);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .badge-outline {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 20px;
            border: 1px solid var(--card-border);
            color: var(--text-secondary);
            font-size: 0.8rem;
            font-weight: 500;
        }

        /* FAQ */
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(255, 255, 255, 0.18);
        }

        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-primary);
            transition: color var(--transition);
            user-select: none;
        }

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

        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

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

        .faq-icon {
            transition: transform var(--transition);
            font-size: 0.85rem;
            color: var(--text-muted);
        }

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

        /* Footer */
        .site-footer {
            background: var(--primary);
            border-top: 1px solid var(--card-border);
            padding: 60px 0 30px;
            color: var(--text-secondary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }

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

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid var(--card-border);
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
            transition: color var(--transition);
        }

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

        /* Hero specific */
        .hero-data-stats {
            position: relative;
            overflow: hidden;
            padding: 80px 0 60px;
        }

        .hero-data-stats::before {
            content: '';
            position: absolute;
            top: -200px;
            right: -200px;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 229, 153, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-data-stats::after {
            content: '';
            position: absolute;
            bottom: -150px;
            left: -150px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 229, 153, 0.04) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        /* Data highlight number */
        .data-highlight {
            font-size: 2.8rem;
            font-weight: 900;
            letter-spacing: -0.03em;
            color: var(--accent);
            line-height: 1;
        }

        .data-highlight-sm {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--accent);
            line-height: 1;
        }

        /* Process steps */
        .process-step {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 20px 0;
            position: relative;
        }

        .process-step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--accent);
            color: #0a0f1a;
            font-weight: 900;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: var(--shadow-glow);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 8px 10px;
                font-size: 0.8rem;
            }
            .nav-search input {
                width: 130px;
            }
            .nav-search input:focus {
                width: 160px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 30px;
            }
            .section-py {
                padding: 60px 0;
            }
            .data-highlight {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(15, 23, 41, 0.98);
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                border-bottom: 1px solid var(--card-border);
                backdrop-filter: blur(18px);
                z-index: 999;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links li a {
                width: 100%;
                text-align: center;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 0.9rem;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-actions {
                gap: 6px;
            }
            .nav-search input {
                width: 100px;
                font-size: 0.8rem;
                padding: 8px 10px 8px 32px;
            }
            .nav-search input:focus {
                width: 130px;
            }
            .btn-nav-cta {
                padding: 8px 14px;
                font-size: 0.78rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section-py {
                padding: 50px 0;
            }
            .container-custom {
                padding: 0 16px;
            }
            .data-highlight {
                font-size: 1.8rem;
            }
            .data-highlight-sm {
                font-size: 1.4rem;
            }
            .process-step {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .nav-search {
                display: none;
            }
            .btn-nav-cta {
                font-size: 0.75rem;
                padding: 7px 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .hero-data-stats {
                padding: 50px 0 40px;
            }
            .data-highlight {
                font-size: 1.5rem;
            }
            .btn-primary {
                width: 100%;
                justify-content: center;
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .btn-outline {
                width: 100%;
                justify-content: center;
                padding: 11px 22px;
                font-size: 0.9rem;
            }
        }

        /* Animation */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-fade-in-up {
            animation: fadeInUp 0.6s ease forwards;
        }

        .animate-delay-1 {
            animation-delay: 0.1s;
            opacity: 0;
        }
        .animate-delay-2 {
            animation-delay: 0.2s;
            opacity: 0;
        }
        .animate-delay-3 {
            animation-delay: 0.3s;
            opacity: 0;
        }
        .animate-delay-4 {
            animation-delay: 0.4s;
            opacity: 0;
        }

/* roulang page: category5 */
:root {
            --primary: #0f1729;
            --primary-light: #1a2744;
            --accent: #00e599;
            --accent-glow: #00ffaa;
            --accent-deep: #00b87a;
            --danger: #ff3d5c;
            --warning: #ffb347;
            --surface: #141e33;
            --surface-light: #1c2a42;
            --card-bg: #1a2744;
            --card-border: #243352;
            --text-primary: #f0f2f5;
            --text-secondary: #b0bdd0;
            --text-muted: #6b7d95;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(0, 229, 153, 0.2);
            --shadow-glow-strong: 0 0 50px rgba(0, 229, 153, 0.3);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            --section-gap: 80px;
            --section-gap-sm: 48px;
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: #0a0f1a;
            color: var(--text-primary);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }

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

        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 23, 41, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition);
        }

        .site-header.scrolled {
            background: rgba(15, 23, 41, 0.96);
            box-shadow: var(--shadow);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 20px;
        }

        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent), #00c47a);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #0a0f1a;
            font-weight: 900;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: nowrap;
        }

        .nav-links li a {
            display: block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            letter-spacing: 0.01em;
        }

        .nav-links li a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-links li a.active {
            color: var(--accent);
            background: rgba(0, 229, 153, 0.1);
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-search input {
            width: 180px;
            padding: 9px 14px 9px 38px;
            border-radius: 22px;
            border: 1px solid var(--card-border);
            background: var(--surface);
            color: var(--text-primary);
            font-size: 0.85rem;
            transition: all var(--transition);
            font-family: inherit;
        }

        .nav-search input:focus {
            width: 220px;
            border-color: var(--accent);
            outline: none;
            box-shadow: var(--shadow-glow);
        }

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

        .nav-search .search-icon {
            position: absolute;
            left: 13px;
            color: var(--text-muted);
            font-size: 0.85rem;
            pointer-events: none;
        }

        .btn-nav-cta {
            padding: 9px 20px;
            border-radius: 22px;
            background: var(--accent);
            color: #0a0f1a;
            font-weight: 700;
            font-size: 0.85rem;
            white-space: nowrap;
            letter-spacing: 0.01em;
            border: none;
        }

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

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            padding: 6px;
            align-items: center;
            justify-content: center;
        }

        /* Section spacing */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-sm {
            padding: var(--section-gap-sm) 0;
        }

        /* Hero - 白皮书获客 */
        .hero-whitepaper {
            position: relative;
            padding: 80px 0 72px;
            background: linear-gradient(180deg, #0a0f1a 0%, #0f1729 40%, #141e33 100%);
            overflow: hidden;
        }

        .hero-whitepaper::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -180px;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 229, 153, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-whitepaper::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 229, 153, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-whitepaper .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .hero-report-card {
            background: var(--card-bg);
            border: 2px solid var(--card-border);
            border-radius: var(--radius-xl);
            padding: 36px;
            position: relative;
            box-shadow: var(--shadow-lg);
            transition: all var(--transition);
        }

        .hero-report-card:hover {
            border-color: rgba(0, 229, 153, 0.3);
            box-shadow: var(--shadow-glow-strong), var(--shadow-lg);
        }

        .hero-report-cover {
            width: 100%;
            aspect-ratio: 16/10;
            border-radius: var(--radius);
            overflow: hidden;
            background: var(--surface);
            margin-bottom: 20px;
            position: relative;
        }

        .hero-report-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hero-report-cover .cover-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: #0a0f1a;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.03em;
        }

        .hero-report-toc {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .hero-report-toc li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            padding: 6px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .hero-report-toc li .toc-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }

        .hero-form-block {
            background: var(--surface);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-xl);
            padding: 36px;
            box-shadow: var(--shadow);
        }

        .hero-form-block .form-title {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }

        .hero-form-block .form-subtitle {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .hero-form-block .form-group {
            margin-bottom: 14px;
        }

        .hero-form-block .form-group label {
            display: block;
            font-size: 0.82rem;
            color: var(--text-secondary);
            margin-bottom: 5px;
            font-weight: 500;
        }

        .hero-form-block .form-group input {
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--card-border);
            background: var(--card-bg);
            color: var(--text-primary);
            font-size: 0.9rem;
            transition: all var(--transition);
        }

        .hero-form-block .form-group input:focus {
            border-color: var(--accent);
            box-shadow: var(--shadow-glow);
            outline: none;
        }

        .hero-form-block .form-group input::placeholder {
            color: var(--text-muted);
        }

        .btn-submit-download {
            width: 100%;
            padding: 14px 24px;
            border-radius: var(--radius);
            background: linear-gradient(135deg, var(--accent), #00c47a);
            color: #0a0f1a;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.02em;
            border: none;
            margin-top: 8px;
            transition: all var(--transition);
        }

        .btn-submit-download:hover {
            background: linear-gradient(135deg, var(--accent-glow), #00e599);
            box-shadow: var(--shadow-glow-strong);
            transform: translateY(-2px);
        }

        .form-agreement {
            font-size: 0.75rem;
            color: var(--text-muted);
            text-align: center;
            margin-top: 10px;
        }

        /* Section titles */
        .section-label {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 20px;
            background: rgba(0, 229, 153, 0.1);
            color: var(--accent);
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 10px;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 700px;
            line-height: 1.8;
        }

        /* Cards */
        .card-feature {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .card-feature:hover {
            border-color: rgba(0, 229, 153, 0.35);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }

        .card-feature .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: rgba(0, 229, 153, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent);
            margin-bottom: 16px;
        }

        .card-feature h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .card-feature p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Process steps */
        .process-step {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 20px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .process-step:last-child {
            border-bottom: none;
        }

        .process-step .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), #00c47a);
            color: #0a0f1a;
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .process-step .step-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }

        .process-step .step-content p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Stat cards */
        .stat-card {
            background: var(--surface);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: center;
            transition: all var(--transition);
        }

        .stat-card:hover {
            border-color: rgba(0, 229, 153, 0.3);
            box-shadow: var(--shadow);
        }

        .stat-card .stat-value {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -0.03em;
            line-height: 1;
        }

        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* Report preview cards */
        .report-preview-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition);
        }

        .report-preview-card:hover {
            border-color: rgba(0, 229, 153, 0.3);
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }

        .report-preview-card .report-thumb {
            width: 100%;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--surface);
        }

        .report-preview-card .report-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .report-preview-card .report-info {
            padding: 18px;
        }

        .report-preview-card .report-info h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }

        .report-preview-card .report-info .report-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            margin-bottom: 10px;
            background: var(--card-bg);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(0, 229, 153, 0.25);
        }

        .faq-question {
            padding: 18px 20px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: #fff;
            font-size: 1rem;
            user-select: none;
            transition: all var(--transition);
        }

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

        .faq-question .faq-icon {
            transition: transform var(--transition);
            color: var(--accent);
            flex-shrink: 0;
            margin-left: 12px;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 20px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(180deg, var(--primary-light) 0%, var(--primary) 100%);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-xl);
            padding: 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 250px;
            height: 250px;
            background: radial-gradient(circle, rgba(0, 229, 153, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .btn-cta-lg {
            display: inline-block;
            padding: 15px 36px;
            border-radius: 28px;
            background: linear-gradient(135deg, var(--accent), #00c47a);
            color: #0a0f1a;
            font-weight: 700;
            font-size: 1.05rem;
            letter-spacing: 0.02em;
            border: none;
            transition: all var(--transition);
            position: relative;
            z-index: 2;
        }

        .btn-cta-lg:hover {
            background: linear-gradient(135deg, var(--accent-glow), #00e599);
            box-shadow: var(--shadow-glow-strong);
            transform: translateY(-3px);
        }

        .btn-outline-lg {
            display: inline-block;
            padding: 14px 34px;
            border-radius: 28px;
            border: 2px solid var(--accent);
            color: var(--accent);
            font-weight: 700;
            font-size: 1.05rem;
            letter-spacing: 0.02em;
            background: transparent;
            transition: all var(--transition);
            position: relative;
            z-index: 2;
        }

        .btn-outline-lg:hover {
            background: rgba(0, 229, 153, 0.08);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }

        /* Tags */
        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 16px;
            font-size: 0.78rem;
            font-weight: 500;
            background: rgba(0, 229, 153, 0.08);
            color: var(--accent);
            border: 1px solid rgba(0, 229, 153, 0.2);
            transition: all var(--transition);
        }

        .tag:hover {
            background: rgba(0, 229, 153, 0.16);
            border-color: rgba(0, 229, 153, 0.4);
        }

        /* Footer */
        .site-footer {
            background: #080c16;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 48px 0 28px;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
            transition: color var(--transition);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-whitepaper .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 7px 10px;
                font-size: 0.8rem;
            }
            .nav-search input {
                width: 130px;
            }
            .nav-search input:focus {
                width: 160px;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .section-title {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: flex;
            }

            .nav-links {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(15, 23, 41, 0.98);
                backdrop-filter: blur(18px);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                display: none;
                z-index: 999;
            }

            .nav-links.show {
                display: flex;
            }

            .nav-links li a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 0.95rem;
            }

            .nav-actions {
                gap: 6px;
            }
            .nav-search input {
                width: 100px;
                font-size: 0.8rem;
                padding: 8px 10px 8px 30px;
            }
            .nav-search input:focus {
                width: 130px;
            }
            .btn-nav-cta {
                padding: 7px 14px;
                font-size: 0.78rem;
            }

            .hero-whitepaper {
                padding: 48px 0 40px;
            }
            .hero-report-card {
                padding: 20px;
            }
            .hero-form-block {
                padding: 24px;
            }
            .section {
                padding: var(--section-gap-sm) 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .section-desc {
                font-size: 0.9rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .cta-section {
                padding: 28px 20px;
            }
            .process-step {
                flex-direction: column;
                gap: 10px;
            }
            .stat-card .stat-value {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 12px;
            }
            .nav-inner {
                height: 56px;
                gap: 8px;
            }
            .nav-logo {
                font-size: 1.2rem;
            }
            .nav-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .nav-search {
                display: none;
            }
            .btn-nav-cta {
                padding: 6px 12px;
                font-size: 0.75rem;
            }
            .hero-whitepaper {
                padding: 32px 0 28px;
            }
            .hero-report-card {
                padding: 14px;
                border-radius: var(--radius);
            }
            .hero-form-block {
                padding: 18px;
                border-radius: var(--radius);
            }
            .hero-form-block .form-title {
                font-size: 1.1rem;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .section-desc {
                font-size: 0.85rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .card-feature {
                padding: 18px 14px;
            }
            .cta-section {
                padding: 20px 14px;
                border-radius: var(--radius);
            }
            .btn-cta-lg,
            .btn-outline-lg {
                padding: 12px 24px;
                font-size: 0.9rem;
                width: 100%;
                margin-bottom: 8px;
            }
            .report-preview-card .report-info {
                padding: 12px;
            }
            .stat-card {
                padding: 16px;
            }
            .stat-card .stat-value {
                font-size: 1.5rem;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #0f1729;
            --primary-light: #1a2744;
            --accent: #00e599;
            --accent-glow: #00ffaa;
            --danger: #ff3d5c;
            --warning: #ffb347;
            --surface: #141e33;
            --surface-light: #1c2a42;
            --card-bg: #1a2744;
            --card-border: #243352;
            --text-primary: #f0f2f5;
            --text-secondary: #b0bdd0;
            --text-muted: #6b7d95;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(0, 229, 153, 0.2);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: #0a0f1a;
            color: var(--text-primary);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }

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

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 23, 41, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition);
        }

        .site-header.scrolled {
            background: rgba(15, 23, 41, 0.96);
            box-shadow: var(--shadow);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 20px;
        }

        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent), #00c47a);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #0a0f1a;
            font-weight: 900;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: nowrap;
        }

        .nav-links li a {
            display: block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            letter-spacing: 0.01em;
        }

        .nav-links li a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-links li a.active {
            color: var(--accent);
            background: rgba(0, 229, 153, 0.1);
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-search input {
            width: 180px;
            padding: 9px 14px 9px 38px;
            border-radius: 22px;
            border: 1px solid var(--card-border);
            background: var(--surface);
            color: var(--text-primary);
            font-size: 0.85rem;
            transition: all var(--transition);
            font-family: inherit;
        }

        .nav-search input:focus {
            width: 220px;
            border-color: var(--accent);
            outline: none;
            box-shadow: var(--shadow-glow);
        }

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

        .nav-search .search-icon {
            position: absolute;
            left: 13px;
            color: var(--text-muted);
            font-size: 0.85rem;
            pointer-events: none;
        }

        .btn-nav-cta {
            padding: 9px 20px;
            border-radius: 22px;
            background: var(--accent);
            color: #0a0f1a;
            font-weight: 700;
            font-size: 0.85rem;
            white-space: nowrap;
            letter-spacing: 0.01em;
            border: none;
        }

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

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            padding: 6px;
            border-radius: 6px;
        }

        .mobile-menu-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        /* Section common */
        .section-padding {
            padding: 80px 0;
        }

        .section-padding-sm {
            padding: 56px 0;
        }

        .section-label {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            background: rgba(0, 229, 153, 0.1);
            color: var(--accent);
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 680px;
        }

        /* Glass card */
        .glass-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .glass-card:hover {
            border-color: rgba(0, 229, 153, 0.35);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }

        .glass-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(0, 229, 153, 0.4), transparent);
            opacity: 0;
            transition: opacity var(--transition);
        }

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

        /* Button styles */
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: 24px;
            background: var(--accent);
            color: #0a0f1a;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.01em;
            border: none;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-accent:hover {
            background: var(--accent-glow);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: 24px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.01em;
            border: 1.5px solid var(--card-border);
            transition: all var(--transition);
            white-space: nowrap;
        }

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

        .btn-lg {
            padding: 15px 34px;
            font-size: 1.05rem;
            border-radius: 28px;
        }

        /* Tag / Badge */
        .tag {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 16px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-secondary);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition);
        }

        .tag:hover {
            background: rgba(0, 229, 153, 0.1);
            color: var(--accent);
            border-color: rgba(0, 229, 153, 0.3);
        }

        .tag-accent {
            background: rgba(0, 229, 153, 0.12);
            color: var(--accent);
            border-color: rgba(0, 229, 153, 0.25);
        }

        /* Stat number */
        .stat-number {
            font-size: 2.8rem;
            font-weight: 900;
            letter-spacing: -0.03em;
            color: var(--accent);
            line-height: 1;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--card-border);
            padding: 20px 0;
            cursor: pointer;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-bottom-color: rgba(0, 229, 153, 0.3);
        }

        .faq-question {
            font-size: 1.08rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            letter-spacing: 0.01em;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 14px;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: var(--accent);
        }

        .faq-icon {
            flex-shrink: 0;
            font-size: 1.3rem;
            color: var(--text-muted);
            transition: all var(--transition);
            font-weight: 300;
        }

        /* Footer */
        .site-footer {
            background: #0c1322;
            border-top: 1px solid var(--card-border);
            padding: 56px 0 28px;
            color: var(--text-secondary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }

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

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            padding-top: 24px;
            border-top: 1px solid var(--card-border);
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
            transition: color var(--transition);
        }

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

        /* Hero specific */
        .hero-news-stage {
            background: linear-gradient(180deg, #0f1a2e 0%, #0a0f1a 100%);
            position: relative;
            overflow: hidden;
            padding: 60px 0 80px;
        }

        .hero-news-stage::before {
            content: '';
            position: absolute;
            top: -200px;
            left: 50%;
            transform: translateX(-50%);
            width: 800px;
            height: 800px;
            background: radial-gradient(circle, rgba(0, 229, 153, 0.06) 0%, transparent 70%);
            pointer-events: none;
            border-radius: 50%;
        }

        .hero-stage-center {
            position: relative;
            z-index: 2;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-xl);
            padding: 0;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            transition: all var(--transition);
        }

        .hero-stage-center:hover {
            border-color: rgba(0, 229, 153, 0.3);
            box-shadow: var(--shadow-lg), var(--shadow-glow);
        }

        .hero-stage-img-wrap {
            position: relative;
            width: 100%;
            aspect-ratio: 16/10;
            overflow: hidden;
        }

        .hero-stage-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .hero-stage-center:hover .hero-stage-img-wrap img {
            transform: scale(1.03);
        }

        .hero-stage-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(10, 15, 26, 0.9));
            padding: 40px 24px 20px;
            pointer-events: none;
        }

        .hero-value-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 14px 18px;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid transparent;
            transition: all var(--transition);
            cursor: default;
        }

        .hero-value-item:hover {
            background: rgba(0, 229, 153, 0.06);
            border-color: rgba(0, 229, 153, 0.2);
        }

        .hero-value-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(0, 229, 153, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 0.95rem;
            color: var(--accent);
        }

        /* News card */
        .news-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            border-color: rgba(0, 229, 153, 0.3);
            box-shadow: var(--shadow);
            transform: translateY(-4px);
        }

        .news-card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .news-card:hover .news-card-img {
            transform: scale(1.04);
        }

        .news-card-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card-date {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

        .news-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 8px;
            letter-spacing: 0.01em;
        }

        .news-card-excerpt {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }

        .news-card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: all var(--transition);
        }

        .news-card-link:hover {
            color: var(--accent-glow);
            gap: 9px;
        }

        /* Timeline */
        .timeline-item {
            display: flex;
            gap: 18px;
            padding: 18px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            transition: all var(--transition);
        }

        .timeline-item:hover {
            background: rgba(255, 255, 255, 0.02);
            padding-left: 8px;
            border-radius: 6px;
        }

        .timeline-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
            margin-top: 7px;
            box-shadow: 0 0 12px rgba(0, 229, 153, 0.5);
        }

        .timeline-content h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
            letter-spacing: 0.01em;
        }

        .timeline-content p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 7px 11px;
                font-size: 0.82rem;
            }
            .nav-search input {
                width: 140px;
            }
            .nav-search input:focus {
                width: 170px;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-number {
                font-size: 2.2rem;
            }
            .hero-value-item {
                padding: 10px 12px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(15, 23, 41, 0.98);
                backdrop-filter: blur(18px);
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                border-bottom: 1px solid var(--card-border);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                width: 100%;
                text-align: center;
                padding: 12px;
                font-size: 0.9rem;
                border-radius: 10px;
            }
            .nav-actions {
                gap: 6px;
            }
            .nav-search input {
                width: 110px;
                font-size: 0.8rem;
            }
            .nav-search input:focus {
                width: 150px;
            }
            .btn-nav-cta {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .section-padding {
                padding: 50px 0;
            }
            .section-padding-sm {
                padding: 36px 0;
            }
            .section-title {
                font-size: 1.55rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .hero-news-stage {
                padding: 36px 0 50px;
            }
            .hero-value-item {
                padding: 10px 14px;
                gap: 8px;
            }
            .hero-value-icon {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .glass-card {
                padding: 20px;
            }
            .news-card-body {
                padding: 16px;
            }
        }

        @media (max-width: 520px) {
            .nav-search {
                display: none;
            }
            .btn-nav-cta {
                font-size: 0.75rem;
                padding: 7px 12px;
            }
            .nav-logo {
                font-size: 1.2rem;
            }
            .nav-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.85rem;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .hero-stage-img-wrap {
                aspect-ratio: 4/3;
            }
            .hero-stage-overlay {
                padding: 24px 14px 14px;
            }
            .btn-lg {
                padding: 12px 22px;
                font-size: 0.9rem;
            }
        }