/* roulang page: index */
:root {
            --bg-deep: #06060d;
            --bg-primary: #0a0a16;
            --bg-secondary: #111122;
            --bg-card: #16162b;
            --bg-card-hover: #1c1c38;
            --bg-elevated: #1e1e3a;
            --text-primary: #f0f0f5;
            --text-secondary: #c5c5d8;
            --text-muted: #8888a8;
            --text-weak: #666688;
            --accent-gold: #f0b830;
            --accent-gold-light: #fcdb6d;
            --accent-neon: #00e676;
            --accent-neon-dim: #00b85c;
            --accent-blue: #4d94ff;
            --border-subtle: #252545;
            --border-card: #2a2a4a;
            --border-glow: rgba(240, 184, 48, 0.35);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.45);
            --shadow-elevated: 0 8px 40px rgba(0, 0, 0, 0.6);
            --shadow-glow-gold: 0 0 24px rgba(240, 184, 48, 0.25);
            --shadow-glow-neon: 0 0 18px rgba(0, 230, 118, 0.3);
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s ease;
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --nav-height: 68px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-gold);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-smooth);
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 3px;
            border-radius: 4px;
        }
        input {
            font-family: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .container {
            width: 100%;
            max-width: 1260px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 10, 22, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: background var(--transition-smooth);
        }
        .site-header.scrolled {
            background: rgba(6, 6, 13, 0.96);
            border-bottom-color: var(--border-glow);
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.5);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: var(--text-primary);
            white-space: nowrap;
            transition: all var(--transition-fast);
            text-decoration: none;
        }
        .logo-link:hover {
            color: var(--accent-gold-light);
            text-shadow: 0 0 20px rgba(240, 184, 48, 0.5);
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent-gold), #e09c20);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 800;
            color: #0a0a16;
            flex-shrink: 0;
            box-shadow: 0 0 16px rgba(240, 184, 48, 0.35);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 10px 18px;
            border-radius: 24px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-smooth);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.02em;
            text-decoration: none;
        }
        .main-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
        }
        .main-nav a.nav-active {
            color: #fff;
            font-weight: 600;
            background: rgba(240, 184, 48, 0.1);
            box-shadow: 0 0 20px rgba(240, 184, 48, 0.2);
            border: 1px solid rgba(240, 184, 48, 0.25);
        }
        .main-nav a.nav-active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 28px;
            height: 3px;
            border-radius: 2px;
            background: var(--accent-gold);
            box-shadow: 0 0 14px var(--accent-gold), 0 0 28px rgba(240, 184, 48, 0.6);
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            background: linear-gradient(135deg, var(--accent-gold), #d4941a);
            color: #0a0a16;
            border: none;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 18px rgba(240, 184, 48, 0.3);
            white-space: nowrap;
            text-decoration: none;
        }
        .nav-cta-btn:hover {
            box-shadow: 0 6px 28px rgba(240, 184, 48, 0.5);
            transform: translateY(-2px);
            color: #0a0a16;
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            padding: 8px;
            cursor: pointer;
            border-radius: 8px;
            transition: background var(--transition-fast);
            z-index: 1001;
        }
        .mobile-menu-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        @media (max-width: 1024px) {
            .mobile-menu-toggle {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(10, 10, 22, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 20px 24px;
                transform: translateX(100%);
                transition: transform var(--transition-smooth);
                z-index: 999;
                overflow-y: auto;
            }
            .main-nav.open {
                transform: translateX(0);
            }
            .main-nav a {
                padding: 14px 20px;
                border-radius: 12px;
                font-size: 1.05rem;
                justify-content: center;
                text-align: center;
            }
            .main-nav a.nav-active::after {
                bottom: 6px;
                width: 36px;
            }
            .nav-cta-btn {
                margin-top: 8px;
                justify-content: center;
                text-align: center;
                padding: 14px 22px;
                font-size: 1rem;
            }
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--bg-primary);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.35;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6, 6, 13, 0.55) 0%, rgba(10, 10, 22, 0.85) 60%, var(--bg-deep) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0 60px;
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            background: rgba(240, 184, 48, 0.12);
            color: var(--accent-gold-light);
            border: 1px solid rgba(240, 184, 48, 0.3);
            margin-bottom: 20px;
        }
        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: 0.02em;
            margin: 0 0 20px;
            color: #fff;
        }
        .hero-title .highlight {
            color: var(--accent-gold);
            text-shadow: 0 0 40px rgba(240, 184, 48, 0.5);
        }
        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 30px;
            line-height: 1.8;
        }
        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            margin-top: 36px;
        }
        .hero-stat-item {
            display: flex;
            flex-direction: column;
        }
        .hero-stat-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1;
            text-shadow: 0 0 18px rgba(240, 184, 48, 0.35);
        }
        .hero-stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .hero-section {
                min-height: auto;
            }
            .hero-content {
                padding: 50px 0 40px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-stats-row {
                gap: 20px;
            }
            .hero-stat-num {
                font-size: 1.8rem;
            }
        }

        /* ========== SECTION TITLES ========== */
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-gold);
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            letter-spacing: 0.02em;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 640px;
            line-height: 1.7;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.5rem;
            }
            .section-desc {
                font-size: 0.95rem;
            }
        }

        /* ========== CARDS ========== */
        .card-dark {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
        }
        .card-dark:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-glow);
            box-shadow: var(--shadow-elevated), var(--shadow-glow-gold);
            transform: translateY(-3px);
        }
        .card-icon-circle {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            flex-shrink: 0;
            margin-bottom: 16px;
        }
        .card-icon-gold {
            background: rgba(240, 184, 48, 0.15);
            color: var(--accent-gold);
            box-shadow: 0 0 14px rgba(240, 184, 48, 0.2);
        }
        .card-icon-neon {
            background: rgba(0, 230, 118, 0.12);
            color: var(--accent-neon);
            box-shadow: 0 0 14px rgba(0, 230, 118, 0.2);
        }
        .card-icon-blue {
            background: rgba(77, 148, 255, 0.12);
            color: var(--accent-blue);
            box-shadow: 0 0 14px rgba(77, 148, 255, 0.2);
        }

        /* ========== BUTTONS ========== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.03em;
            background: linear-gradient(135deg, var(--accent-gold), #d4941a);
            color: #0a0a16;
            border: none;
            box-shadow: 0 4px 20px rgba(240, 184, 48, 0.35);
            transition: all var(--transition-smooth);
            text-decoration: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            box-shadow: 0 8px 32px rgba(240, 184, 48, 0.55);
            transform: translateY(-3px);
            color: #0a0a16;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.03em;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.3);
            transition: all var(--transition-smooth);
            text-decoration: none;
            cursor: pointer;
        }
        .btn-outline:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            box-shadow: 0 0 20px rgba(240, 184, 48, 0.2);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 20px;
        }

        /* ========== STATS SECTION ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
        }
        .stat-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow-gold);
            transform: translateY(-2px);
        }
        .stat-num {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1;
            text-shadow: 0 0 20px rgba(240, 184, 48, 0.3);
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 8px;
            letter-spacing: 0.03em;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-num {
                font-size: 2rem;
            }
        }
        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-num {
                font-size: 1.6rem;
            }
        }

        /* ========== ADVANTAGE GRID ========== */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        @media (max-width: 1024px) {
            .advantage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .advantage-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== MATCH CARDS ========== */
        .match-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .match-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
        }
        .match-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-elevated);
            transform: translateY(-4px);
        }
        .match-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .match-card-body {
            padding: 20px;
        }
        .match-card-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            background: rgba(240, 184, 48, 0.12);
            color: var(--accent-gold);
            margin-bottom: 10px;
            letter-spacing: 0.04em;
        }
        .match-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .match-card-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        @media (max-width: 1024px) {
            .match-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 600px) {
            .match-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== PARTNER ROW ========== */
        .partner-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 36px;
        }
        .partner-item {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-muted);
            letter-spacing: 0.04em;
            padding: 10px 18px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.03);
            transition: all var(--transition-fast);
            border: 1px solid transparent;
            text-align: center;
        }
        .partner-item:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
            border-color: var(--border-subtle);
        }

        /* ========== TESTIMONIAL CARDS ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
        }
        .testimonial-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-elevated);
        }
        .testimonial-stars {
            color: var(--accent-gold);
            font-size: 0.9rem;
            margin-bottom: 10px;
        }
        .testimonial-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            font-style: italic;
        }
        .testimonial-author {
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
        }
        .testimonial-role {
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        @media (max-width: 768px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }
        .faq-item:hover {
            border-color: var(--border-glow);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            background: none;
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            text-align: left;
            cursor: pointer;
            border: none;
            letter-spacing: 0.02em;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        .faq-answer {
            padding: 0 22px 18px;
            color: var(--text-secondary);
            font-size: 0.93rem;
            line-height: 1.8;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question {
            color: var(--accent-gold);
        }
        .faq-icon {
            transition: transform var(--transition-smooth);
            font-size: 0.85rem;
            color: var(--text-muted);
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            color: var(--accent-gold);
        }

        /* ========== NEWS LIST ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 860px;
            margin: 0 auto;
        }
        .news-item {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 20px;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
        }
        .news-item:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-elevated);
            transform: translateY(-2px);
        }
        .news-thumb {
            width: 140px;
            height: 100px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }
        .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-date {
            font-size: 0.78rem;
            color: var(--text-weak);
            margin-bottom: 4px;
            letter-spacing: 0.04em;
        }
        .news-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 6px;
            line-height: 1.4;
        }
        .news-excerpt {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.5;
            margin-bottom: 8px;
        }
        .news-readmore {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-gold);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .news-readmore:hover {
            color: var(--accent-gold-light);
        }
        @media (max-width: 600px) {
            .news-item {
                flex-direction: column;
            }
            .news-thumb {
                width: 100%;
                height: 160px;
            }
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 56px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-elevated);
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(240, 184, 48, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-title {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 36px 20px;
            }
            .cta-title {
                font-size: 1.5rem;
            }
            .cta-desc {
                font-size: 0.95rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-primary);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }
        .footer-brand-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .footer-col-title {
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            color: #fff;
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: var(--text-muted);
            padding: 4px 0;
            transition: color var(--transition-fast);
            text-decoration: none;
        }
        .footer-col a:hover {
            color: var(--accent-gold);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-weak);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ========== MISC ========== */
        .spacer-section {
            padding: 64px 0;
        }
        @media (max-width: 768px) {
            .spacer-section {
                padding: 40px 0;
            }
        }
        .text-gold {
            color: var(--accent-gold);
        }
        .bg-card-dark {
            background: var(--bg-card);
        }

/* roulang page: category4 */
@import url('https://fonts.googleapis.com/css2?family=Inter:opsz,wght@14..32,400;14..32,500;14..32,600;14..32,700&display=swap');

    body {
      background-color: #0B0E1A;
      color: #EDF0F8;
      font-family: 'Inter', 'Noto Sans SC', system-ui, sans-serif;
      margin: 0;
      -webkit-font-smoothing: antialiased;
    }

    .container-custom {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }
    @media (max-width: 640px) {
      .container-custom {
        padding-left: 1rem;
        padding-right: 1rem;
      }
    }

    /* 导航基础 */
    .header-sticky {
      position: sticky;
      top: 0;
      z-index: 50;
      background-color: rgba(11, 14, 26, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid #2A3050;
    }

    .main-nav a {
      color: #B9C2DB;
      font-weight: 500;
      font-size: 0.95rem;
      padding: 0.6rem 1rem;
      border-radius: 2rem;
      transition: all 0.2s ease;
      position: relative;
      text-decoration: none;
    }
    .main-nav a:hover {
      color: #FFFFFF;
      background-color: rgba(0, 229, 255, 0.08);
    }
    .main-nav a.nav-active {
      color: #00E5FF;
      background-color: rgba(0, 229, 255, 0.12);
      box-shadow: 0 0 12px rgba(0, 229, 255, 0.35);
      font-weight: 600;
    }
    .nav-cta-btn {
      background: linear-gradient(135deg, #FF5252, #FF1744);
      color: #FFFFFF !important;
      font-weight: 600;
      box-shadow: 0 4px 12px rgba(255, 82, 82, 0.45);
      padding: 0.6rem 1.5rem !important;
    }
    .nav-cta-btn:hover {
      background: linear-gradient(135deg, #FF1744, #D50000);
      box-shadow: 0 6px 18px rgba(255, 23, 68, 0.6);
    }

    /* 霓虹强调线 */
    .glow-border {
      position: relative;
    }
    .glow-border::after {
      content: '';
      position: absolute;
      bottom: -2px;
      left: 20%;
      width: 60%;
      height: 3px;
      background: linear-gradient(90deg, transparent, #00E5FF, #B388FF, transparent);
      border-radius: 999px;
    }

    .card-hover {
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }
    .card-hover:hover {
      transform: translateY(-4px);
      box-shadow: 0 18px 35px rgba(0, 0, 0, 0.5), 0 0 18px rgba(0, 229, 255, 0.25);
    }

    .btn-neon {
      background-color: transparent;
      border: 1px solid #00E5FF;
      color: #00E5FF;
      font-weight: 600;
      border-radius: 999px;
      padding: 0.6rem 1.8rem;
      transition: all 0.2s;
    }
    .btn-neon:hover {
      background-color: #00E5FF;
      color: #0B0E1A;
      box-shadow: 0 0 18px #00E5FF;
    }

    .footer-link {
      color: #9AA0B8;
      text-decoration: none;
      transition: color 0.2s;
    }
    .footer-link:hover {
      color: #00E5FF;
    }

/* roulang page: category1 */
:root {
            --brand: #f5a623;
            --brand-light: #ffc247;
            --brand-dark: #c47f0a;
            --navy: #0d1117;
            --navy-light: #161b22;
            --navy-lighter: #21262d;
            --surface: #ffffff;
            --surface-alt: #f8f9fb;
            --text-primary: #1a1d23;
            --text-secondary: #4a4f5a;
            --text-muted: #6b7280;
            --border-light: #e5e7eb;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 4px 12px rgba(0, 0, 0, 0.1), 0 8px 32px rgba(0, 0, 0, 0.08);
            --shadow-glow: 0 0 18px rgba(245, 166, 35, 0.5), 0 0 40px rgba(245, 166, 35, 0.2);
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            line-height: 1.6;
            color: var(--text-primary);
            background-color: var(--surface-alt);
            min-height: 100vh;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        /* ===== 暗色霓虹导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--navy);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: var(--shadow-nav, 0 2px 16px rgba(0, 0, 0, 0.5));
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            height: 60px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
            white-space: nowrap;
            transition: text-shadow var(--transition-fast);
        }
        .logo-link:hover {
            text-shadow: 0 0 16px rgba(245, 166, 35, 0.6);
            color: var(--brand-light);
        }
        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--brand), var(--brand-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            font-weight: 900;
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 0.45rem 0.9rem;
            border-radius: 6px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #c9cdd4;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .main-nav a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.05);
        }
        .main-nav a.nav-active {
            color: var(--brand);
            font-weight: 600;
            text-shadow: 0 0 12px rgba(245, 166, 35, 0.55);
            background: rgba(245, 166, 35, 0.08);
            box-shadow: inset 0 -2px 0 0 var(--brand);
        }
        .main-nav .nav-cta-btn {
            background: var(--brand);
            color: #1a1d23;
            font-weight: 600;
            padding: 0.45rem 1.1rem;
            border-radius: 6px;
            margin-left: 0.4rem;
            transition: all var(--transition-fast);
            box-shadow: 0 0 10px rgba(245, 166, 35, 0.3);
        }
        .main-nav .nav-cta-btn:hover {
            background: var(--brand-light);
            box-shadow: 0 0 20px rgba(245, 166, 35, 0.55);
            color: #1a1d23;
        }

        /* 移动端菜单按钮 */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: #ffffff;
            font-size: 1.5rem;
            padding: 0.4rem;
            cursor: pointer;
            border-radius: 6px;
            transition: background var(--transition-fast);
        }
        .mobile-menu-btn:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        /* ===== 板块通用 ===== */
        .section-padding {
            padding: 3.5rem 1.5rem;
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-primary);
            text-align: center;
            margin-bottom: 0.5rem;
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-muted);
            text-align: center;
            margin-bottom: 2.5rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .container-responsive {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }

        /* ===== Hero Banner ===== */
        .hero-banner {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 17, 23, 0.82) 0%, rgba(13, 17, 23, 0.6) 60%, rgba(13, 17, 23, 0.75) 100%);
            z-index: 1;
        }
        .hero-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--brand), transparent);
            z-index: 2;
            box-shadow: 0 0 20px rgba(245, 166, 35, 0.5);
        }
        .hero-content {
            position: relative;
            z-index: 3;
            text-align: center;
            color: #ffffff;
            padding: 2rem 1.5rem;
            max-width: 750px;
        }
        .hero-content h1 {
            font-size: 2.6rem;
            font-weight: 800;
            margin: 0 0 1rem;
            letter-spacing: 0.02em;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
        }
        .hero-content h1 .highlight {
            color: var(--brand);
            text-shadow: 0 0 20px rgba(245, 166, 35, 0.6);
        }
        .hero-content p {
            font-size: 1.08rem;
            line-height: 1.7;
            color: #d1d5db;
            margin: 0 0 1.5rem;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(245, 166, 35, 0.18);
            border: 1px solid rgba(245, 166, 35, 0.35);
            color: var(--brand-light);
            padding: 0.35rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 1rem;
            letter-spacing: 0.04em;
        }

        /* ===== 卡片 ===== */
        .card-base {
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            overflow: hidden;
        }
        .card-base:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .card-image-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #eef1f5;
        }
        .card-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card-base:hover .card-image-wrap img {
            transform: scale(1.04);
        }
        .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--brand);
            color: #1a1d23;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.25rem 0.7rem;
            border-radius: 4px;
            letter-spacing: 0.03em;
            z-index: 2;
        }

        /* ===== 数据统计卡片 ===== */
        .stat-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 1.8rem 1.5rem;
            text-align: center;
            transition: all var(--transition-base);
            border: 1px solid transparent;
        }
        .stat-card:hover {
            border-color: var(--brand);
            box-shadow: 0 0 24px rgba(245, 166, 35, 0.12);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--brand-dark);
            letter-spacing: -0.02em;
            line-height: 1.1;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 0.35rem;
        }

        /* ===== 流程步骤 ===== */
        .step-item {
            display: flex;
            gap: 1rem;
            align-items: flex-start;
            padding: 1.2rem 0;
            border-bottom: 1px solid var(--border-light);
        }
        .step-item:last-child {
            border-bottom: none;
        }
        .step-number {
            flex-shrink: 0;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--brand), var(--brand-dark));
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--surface);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            margin-bottom: 1rem;
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: #d1d5db;
        }
        .faq-question {
            padding: 1.2rem 1.5rem;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-primary);
            user-select: none;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--brand-dark);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 1.5rem;
            color: var(--text-secondary);
            font-size: 0.93rem;
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.5rem 1.2rem;
        }
        .faq-item.open .faq-question {
            color: var(--brand-dark);
        }
        .faq-arrow {
            transition: transform var(--transition-fast);
            font-size: 0.75rem;
            color: var(--text-muted);
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--brand);
        }

        /* ===== CTA ===== */
        .cta-section-alt {
            background: linear-gradient(135deg, var(--navy) 0%, #1a1f2e 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section-alt::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245, 166, 35, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--navy);
            color: #c9cdd4;
            padding: 3rem 1.5rem 1.5rem;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.6rem;
        }
        .footer-brand-desc {
            font-size: 0.85rem;
            color: #8b9099;
            line-height: 1.6;
            margin: 0;
        }
        .footer-col-title {
            font-size: 0.85rem;
            font-weight: 700;
            color: #ffffff;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 0.75rem;
        }
        .footer-col a {
            display: block;
            color: #8b9099;
            font-size: 0.85rem;
            padding: 0.25rem 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--brand-light);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.75rem;
            max-width: 1200px;
            margin: 2rem auto 0;
            padding-top: 1.25rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.8rem;
            color: #6b7280;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-banner {
                min-height: 340px;
            }
            .section-padding {
                padding: 2.5rem 1rem;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 54px;
                padding: 0 1rem;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 54px;
                left: 0;
                right: 0;
                background: var(--navy-light);
                flex-direction: column;
                padding: 0.75rem 1rem;
                gap: 0.2rem;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
                z-index: 999;
            }
            .main-nav.mobile-open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 1rem;
                border-radius: 6px;
                font-size: 0.95rem;
            }
            .main-nav .nav-cta-btn {
                margin-left: 0;
                text-align: center;
                justify-content: center;
                margin-top: 0.3rem;
            }
            .mobile-menu-btn {
                display: block;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .hero-content h1 {
                font-size: 1.6rem;
            }
            .hero-content p {
                font-size: 0.9rem;
            }
            .hero-banner {
                min-height: 300px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .stat-number {
                font-size: 2rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.35rem;
            }
            .hero-banner {
                min-height: 260px;
            }
            .section-padding {
                padding: 2rem 0.75rem;
            }
            .card-base {
                border-radius: var(--radius-md);
            }
            .stat-card {
                padding: 1.2rem 1rem;
            }
            .stat-number {
                font-size: 1.7rem;
            }
            .logo-link {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.9rem;
                border-radius: 6px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-deep: #060910;
            --bg-dark: #0a0e1a;
            --bg-card: #111827;
            --bg-surface: #1a1f35;
            --text-primary: #f1f5f9;
            --text-secondary: #cbd5e1;
            --text-muted: #94a3b8;
            --accent: #00e5ff;
            --accent2: #ff6d00;
            --gold: #ffb300;
            --border-subtle: rgba(255, 255, 255, 0.06);
            --border-glow: rgba(0, 229, 255, 0.2);
            --radius-sm: 0.625rem;
            --radius-md: 0.875rem;
            --radius-lg: 1.25rem;
            --radius-xl: 1.5rem;
            --shadow-card: 0 2px 20px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.04) inset;
            --shadow-card-hover: 0 8px 40px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(0, 229, 255, 0.15) inset;
            --shadow-neon: 0 0 20px rgba(0, 229, 255, 0.25), 0 0 60px rgba(0, 229, 255, 0.08);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', system-ui, sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        :focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* Container */
        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        @media (min-width: 768px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }

        /* Header / Navigation - Dark Neon Style */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(6, 9, 16, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            transition: all 0.35s ease;
        }
        .site-header.scrolled {
            border-bottom-color: var(--border-glow);
            box-shadow: 0 0 30px rgba(0, 229, 255, 0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 1.5rem;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.55rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: #ffffff;
            text-decoration: none;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all 0.3s ease;
        }
        .logo-link:hover {
            color: #ffffff;
            text-shadow: 0 0 30px rgba(0, 229, 255, 0.6);
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, #00e5ff 0%, #0091ea 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: #000;
            font-weight: 900;
            flex-shrink: 0;
            box-shadow: 0 0 16px rgba(0, 229, 255, 0.35);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: nowrap;
        }
        .main-nav a {
            position: relative;
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.9rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: #cbd5e1;
            border-radius: 8px;
            white-space: nowrap;
            transition: all 0.25s ease;
            letter-spacing: 0.01em;
        }
        .main-nav a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.04);
        }
        .main-nav a.nav-active {
            color: #ffffff;
            background: rgba(0, 229, 255, 0.1);
            box-shadow: 0 0 0 1px rgba(0, 229, 255, 0.3) inset;
            text-shadow: 0 0 18px rgba(0, 229, 255, 0.4);
        }
        .main-nav a.nav-active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background: #00e5ff;
            border-radius: 2px;
            box-shadow: 0 0 12px rgba(0, 229, 255, 0.8), 0 0 24px rgba(0, 229, 255, 0.3);
        }
        .nav-cta-btn {
            background: linear-gradient(135deg, #ff6d00 0%, #ff9100 100%) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 0.5rem 1.2rem !important;
            border-radius: 24px !important;
            box-shadow: 0 0 18px rgba(255, 109, 0, 0.35) !important;
            transition: all 0.3s ease !important;
            letter-spacing: 0.02em !important;
        }
        .nav-cta-btn:hover {
            box-shadow: 0 0 30px rgba(255, 109, 0, 0.55) !important;
            transform: translateY(-1px);
            color: #fff !important;
            background: linear-gradient(135deg, #ff7b1a 0%, #ff9d1f 100%) !important;
        }
        .nav-cta-btn::after {
            display: none !important;
        }

        /* Mobile Menu Toggle */
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            padding: 0.4rem;
            line-height: 1;
            cursor: pointer;
            border-radius: 6px;
            transition: all 0.2s;
        }
        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        @media (max-width: 1024px) {
            .menu-toggle {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(6, 9, 16, 0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                padding: 1.5rem;
                gap: 0.4rem;
                transform: translateX(100%);
                transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
                overflow-y: auto;
                z-index: 999;
            }
            .main-nav.open {
                transform: translateX(0);
            }
            .main-nav a {
                font-size: 1.05rem;
                padding: 0.85rem 1.2rem;
                border-radius: 10px;
            }
            .main-nav a.nav-active::after {
                bottom: 4px;
                width: 32px;
            }
            .nav-cta-btn {
                text-align: center;
                justify-content: center;
                margin-top: 0.5rem;
                border-radius: 10px !important;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                height: 56px;
            }
            .logo-link {
                font-size: 1.3rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 1.1rem;
                border-radius: 6px;
            }
            .main-nav {
                top: 56px;
                padding: 1rem;
            }
            .main-nav a {
                font-size: 0.95rem;
                padding: 0.7rem 1rem;
            }
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            padding: 5rem 0 4rem;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6, 9, 16, 0.7) 0%, rgba(10, 14, 26, 0.88) 60%, rgba(6, 9, 16, 0.98) 100%);
            z-index: 1;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, #00e5ff, #ffb300, #00e5ff, transparent);
            z-index: 2;
            opacity: 0.7;
        }
        .page-banner .container {
            position: relative;
            z-index: 3;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: #94a3b8;
            margin-bottom: 1.5rem;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: #94a3b8;
            transition: color 0.2s;
        }
        .breadcrumb a:hover {
            color: #00e5ff;
        }
        .breadcrumb .sep {
            color: #475569;
        }
        .breadcrumb .current {
            color: #00e5ff;
            font-weight: 500;
        }

        /* Section Styles */
        .section {
            padding: 4rem 0;
        }
        .section-sm {
            padding: 2.5rem 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.75rem;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: #94a3b8;
            margin-bottom: 2.5rem;
            max-width: 600px;
        }
        @media (max-width: 768px) {
            .section {
                padding: 2.5rem 0;
            }
            .section-title {
                font-size: 1.55rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
        }

        /* Card Styles */
        .guide-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 1.75rem;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-glow);
            transform: translateY(-3px);
        }
        .guide-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 1rem;
            flex-shrink: 0;
        }
        .guide-card .card-tag {
            display: inline-block;
            padding: 0.2rem 0.7rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
        }

        /* Stat Card */
        .stat-card {
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            padding: 1.5rem 1.75rem;
            border: 1px solid var(--border-subtle);
            text-align: center;
            transition: all 0.3s ease;
        }
        .stat-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-neon);
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 700;
            color: #00e5ff;
            letter-spacing: -0.02em;
            line-height: 1;
        }

        /* Step Timeline */
        .step-item {
            display: flex;
            gap: 1.25rem;
            align-items: flex-start;
            padding: 1.25rem 0;
            position: relative;
        }
        .step-item+.step-item {
            border-top: 1px solid var(--border-subtle);
        }
        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, #00e5ff 0%, #0091ea 100%);
            color: #000;
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: 0 0 16px rgba(0, 229, 255, 0.3);
        }

        /* FAQ */
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .faq-item:hover {
            border-color: var(--border-glow);
        }
        .faq-question {
            padding: 1.1rem 1.5rem;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            user-select: none;
            transition: background 0.2s;
            color: #f1f5f9;
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        .faq-answer {
            padding: 0 1.5rem 1.2rem;
            color: #94a3b8;
            font-size: 0.93rem;
            line-height: 1.75;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question {
            color: #00e5ff;
        }
        .faq-arrow {
            transition: transform 0.3s ease;
            font-size: 0.8rem;
            flex-shrink: 0;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #0a0e1a 0%, #111827 40%, #1a1530 100%);
            border-top: 1px solid var(--border-glow);
            border-bottom: 1px solid var(--border-glow);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(0, 229, 255, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        /* Footer */
        .site-footer {
            background: #060910;
            border-top: 1px solid var(--border-subtle);
            padding: 3rem 0 1.5rem;
            color: #94a3b8;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.5rem;
        }
        .footer-brand-desc {
            font-size: 0.88rem;
            color: #94a3b8;
            line-height: 1.6;
            margin: 0;
        }
        .footer-col-title {
            font-size: 0.85rem;
            font-weight: 600;
            color: #cbd5e1;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 0.75rem;
        }
        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: #94a3b8;
            padding: 0.25rem 0;
            transition: color 0.2s;
        }
        .footer-col a:hover {
            color: #00e5ff;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 1.25rem;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.75rem;
            font-size: 0.8rem;
            color: #64748b;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
            .site-footer {
                padding: 2rem 0 1rem;
            }
        }

        /* Animation */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-in {
            animation: fadeInUp 0.6s ease forwards;
        }
        .delay-1 {
            animation-delay: 0.1s;
            opacity: 0;
        }
        .delay-2 {
            animation-delay: 0.2s;
            opacity: 0;
        }
        .delay-3 {
            animation-delay: 0.3s;
            opacity: 0;
        }
        .delay-4 {
            animation-delay: 0.4s;
            opacity: 0;
        }

/* roulang page: category2 */
:root {
            --bg-deep: #060612;
            --bg-nav: #0a0a1a;
            --bg-card: #111128;
            --bg-card-alt: #0d0d22;
            --border-neon: #1e1e3a;
            --neon-blue: #00d4ff;
            --neon-purple: #8b5cf6;
            --neon-cyan: #22d3ee;
            --neon-pink: #ec4899;
            --text-primary: #e8e8f0;
            --text-secondary: #b0b0c8;
            --text-muted: #7a7a9a;
            --accent-glow: #00d4ff;
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 6px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4), 0 0 1px rgba(0, 212, 255, 0.15);
            --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.25);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: #070714;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 暗色霓虹导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-nav);
            border-bottom: 1px solid var(--border-neon);
            box-shadow: 0 2px 30px rgba(0, 0, 0, 0.6), 0 1px 0 rgba(0, 212, 255, 0.08);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            height: 64px;
            max-width: var(--container-max);
            margin: 0 auto;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.2rem;
            color: #fff;
            box-shadow: 0 0 18px rgba(0, 212, 255, 0.5);
            animation: glowPulse 2.5s ease-in-out infinite;
        }

        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 1px;
            background: linear-gradient(135deg, #e0e0ff, #ffffff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 6px;
            font-size: 0.95rem;
            font-weight: 500;
            color: #c0c0d8;
            transition: all var(--transition-smooth);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .main-nav a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.04);
            text-shadow: 0 0 12px rgba(0, 212, 255, 0.5);
        }

        .main-nav a.nav-active {
            color: #ffffff;
            background: rgba(0, 212, 255, 0.1);
            box-shadow: inset 0 -2px 0 var(--neon-blue), 0 0 14px rgba(0, 212, 255, 0.3);
            font-weight: 600;
        }

        .main-nav a.nav-active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 2px;
            background: var(--neon-blue);
            border-radius: 2px;
            box-shadow: 0 0 10px var(--neon-blue), 0 0 24px rgba(0, 212, 255, 0.6);
        }

        .nav-cta-btn {
            background: linear-gradient(135deg, var(--neon-blue), #0099cc) !important;
            color: #000 !important;
            font-weight: 700 !important;
            border-radius: 20px !important;
            padding: 9px 20px !important;
            box-shadow: 0 0 16px rgba(0, 212, 255, 0.5), 0 4px 14px rgba(0, 0, 0, 0.4) !important;
            transition: all var(--transition-smooth) !important;
            letter-spacing: 0.5px !important;
            margin-left: 4px;
        }
        .nav-cta-btn:hover {
            box-shadow: 0 0 28px rgba(0, 212, 255, 0.8), 0 6px 20px rgba(0, 0, 0, 0.5) !important;
            transform: translateY(-1px);
            background: linear-gradient(135deg, #33ddff, #00bbee) !important;
            color: #000 !important;
            text-shadow: none !important;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: #d0d0e0;
            font-size: 1.6rem;
            padding: 6px;
            border-radius: 4px;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .mobile-toggle:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }

        @media (max-width: 1024px) {
            .main-nav {
                gap: 2px;
            }
            .main-nav a {
                padding: 7px 11px;
                font-size: 0.85rem;
            }
            .nav-cta-btn {
                padding: 7px 14px !important;
                font-size: 0.85rem !important;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 56px;
            }
            .mobile-toggle {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 56px;
                left: 0;
                right: 0;
                background: var(--bg-nav);
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                padding: 12px 16px;
                border-bottom: 2px solid var(--border-neon);
                box-shadow: 0 8px 30px rgba(0, 0, 0, 0.7);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition-smooth);
                z-index: 999;
            }
            .main-nav.mobile-open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .main-nav a {
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: 8px;
            }
            .nav-cta-btn {
                margin-left: 0;
                text-align: center;
                justify-content: center;
                margin-top: 6px;
                border-radius: 8px !important;
            }
            .main-nav a.nav-active::after {
                display: none;
            }
            .main-nav a.nav-active {
                border-left: 3px solid var(--neon-blue);
                box-shadow: 0 0 14px rgba(0, 212, 255, 0.25);
            }
        }

        /* ===== 板块通用 ===== */
        .section-padding {
            padding: 70px 0;
        }
        .section-padding-lg {
            padding: 90px 0;
        }
        .section-padding-sm {
            padding: 50px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            color: #fff;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 40px;
            max-width: 600px;
        }
        .section-header-center {
            text-align: center;
        }
        .section-header-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Banner ===== */
        .page-banner {
            position: relative;
            min-height: 440px;
            display: flex;
            align-items: center;
            background: url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            background-color: #08081c;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6, 6, 18, 0.75) 0%, rgba(6, 6, 18, 0.92) 60%, #070714 100%);
            z-index: 1;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 100%;
            background: repeating-linear-gradient(0deg,
                    transparent,
                    transparent 2px,
                    rgba(0, 212, 255, 0.015) 2px,
                    rgba(0, 212, 255, 0.015) 4px);
            z-index: 2;
            pointer-events: none;
        }
        .banner-content {
            position: relative;
            z-index: 3;
            max-width: 750px;
            padding: 50px 0;
        }
        .banner-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 1px;
            background: rgba(0, 212, 255, 0.12);
            color: var(--neon-blue);
            border: 1px solid rgba(0, 212, 255, 0.3);
            margin-bottom: 16px;
            box-shadow: 0 0 12px rgba(0, 212, 255, 0.2);
        }
        .banner-title {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: #fff;
            margin-bottom: 14px;
            line-height: 1.25;
            text-shadow: 0 0 30px rgba(0, 212, 255, 0.35);
        }
        .banner-desc {
            font-size: 1.1rem;
            color: #c8c8e0;
            line-height: 1.8;
            max-width: 600px;
        }

        @media (max-width: 768px) {
            .page-banner {
                min-height: 340px;
            }
            .banner-title {
                font-size: 1.9rem;
            }
            .banner-desc {
                font-size: 0.95rem;
            }
            .section-padding {
                padding: 45px 0;
            }
            .section-padding-lg {
                padding: 60px 0;
            }
            .section-title {
                font-size: 1.55rem;
            }
        }

        /* ===== 数据指标卡片 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--neon-blue), var(--neon-purple), transparent);
            opacity: 0.6;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 212, 255, 0.2);
            border-color: rgba(0, 212, 255, 0.4);
        }
        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -1px;
            background: linear-gradient(135deg, #ffffff, var(--neon-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 6px;
            line-height: 1.1;
        }
        .stat-label {
            font-size: 0.95rem;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .stat-icon-mini {
            font-size: 1.5rem;
            margin-bottom: 8px;
            opacity: 0.7;
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .stat-card {
                padding: 20px 16px;
            }
        }
        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
        }

        /* ===== 覆盖联赛网格 ===== */
        .league-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }
        .league-card {
            background: var(--bg-card);
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-md);
            padding: 22px 18px;
            text-align: center;
            transition: all var(--transition-smooth);
            cursor: default;
        }
        .league-card:hover {
            border-color: rgba(0, 212, 255, 0.5);
            box-shadow: 0 0 16px rgba(0, 212, 255, 0.15);
            transform: translateY(-2px);
        }
        .league-flag {
            font-size: 2.2rem;
            margin-bottom: 8px;
        }
        .league-name {
            font-weight: 600;
            color: #e0e0f0;
            font-size: 0.95rem;
        }
        .league-count {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        @media (max-width: 768px) {
            .league-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }
            .league-card {
                padding: 16px 10px;
            }
            .league-flag {
                font-size: 1.6rem;
            }
            .league-name {
                font-size: 0.8rem;
            }
        }
        @media (max-width: 480px) {
            .league-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* ===== 情报服务卡片 ===== */
        .service-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
        }
        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.55), 0 0 22px rgba(0, 212, 255, 0.25);
            border-color: rgba(0, 212, 255, 0.45);
        }
        .service-card-img {
            width: 100%;
            height: 190px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-neon);
        }
        .service-card-body {
            padding: 20px 20px 24px;
        }
        .service-card-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 12px;
            font-size: 0.78rem;
            font-weight: 600;
            background: rgba(0, 212, 255, 0.1);
            color: var(--neon-blue);
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .service-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .service-card-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .service-cards-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .service-card-img {
                height: 160px;
            }
        }
        @media (max-width: 1024px) and (min-width: 769px) {
            .service-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* ===== 流程区域 ===== */
        .flow-block {
            background: var(--bg-card);
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            box-shadow: var(--shadow-card);
        }
        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .flow-step {
            position: relative;
        }
        .flow-step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            box-shadow: 0 0 18px rgba(0, 212, 255, 0.4);
        }
        .flow-step-title {
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
        }
        .flow-step-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        @media (max-width: 768px) {
            .flow-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .flow-block {
                padding: 28px 20px;
            }
        }
        @media (max-width: 480px) {
            .flow-steps {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }

        /* ===== CTA区域 ===== */
        .cta-section-alt {
            background: linear-gradient(180deg, #0a0a1e 0%, #0d0d26 100%);
            border-top: 1px solid var(--border-neon);
            border-bottom: 1px solid var(--border-neon);
            position: relative;
            overflow: hidden;
        }
        .cta-section-alt::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.5), transparent);
        }
        .cta-glow-btn {
            display: inline-block;
            padding: 14px 36px;
            border-radius: 28px;
            font-size: 1.05rem;
            font-weight: 700;
            letter-spacing: 1px;
            background: linear-gradient(135deg, var(--neon-blue), #0099cc);
            color: #000;
            box-shadow: 0 0 22px rgba(0, 212, 255, 0.55), 0 6px 20px rgba(0, 0, 0, 0.5);
            transition: all var(--transition-smooth);
            text-align: center;
        }
        .cta-glow-btn:hover {
            box-shadow: 0 0 36px rgba(0, 212, 255, 0.8), 0 8px 28px rgba(0, 0, 0, 0.6);
            transform: translateY(-3px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #060612;
            border-top: 1px solid var(--border-neon);
            padding: 50px 0 24px;
            color: var(--text-secondary);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 1px;
        }
        .footer-brand-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col-title {
            font-weight: 700;
            color: #d0d0e0;
            margin-bottom: 12px;
            font-size: 0.95rem;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: var(--text-muted);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--neon-blue);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 18px;
            font-size: 0.82rem;
            color: var(--text-muted);
            flex-wrap: wrap;
            gap: 8px;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ===== 深色区块 ===== */
        .dark-block {
            background: #0a0a1a;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-neon);
            padding: 36px 30px;
            box-shadow: var(--shadow-card);
        }
        .dark-block .section-title {
            font-size: 1.5rem;
        }

        /* 霓虹分隔线 */
        .neon-divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.35), transparent);
            border: none;
            margin: 0;
        }
