/* roulang page: index */
:root {
            --bg-base: #081124;
            --bg-deep: #0C1B33;
            --bg-surface: rgba(15, 30, 60, 0.55);
            --bg-surface-light: rgba(20, 40, 80, 0.45);
            --primary: #38BDF8;
            --secondary: #22D3A7;
            --accent-red: #FF5C5C;
            --accent-amber: #FFB020;
            --border-glow: rgba(56, 189, 248, 0.22);
            --border-glass: rgba(56, 189, 248, 0.18);
            --text-primary: #E6F1FF;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --radius-card-lg: 20px;
            --radius-card: 16px;
            --radius-btn: 999px;
            --shadow-glass: 0 20px 60px rgba(0, 0, 0, 0.35);
            --shadow-cta: 0 0 18px rgba(56, 189, 248, 0.6);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            --font-mono: 'Roboto Mono', 'DIN', system-ui, monospace;
            --transition-base: all 0.3s ease;
        }

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

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

        body {
            font-family: var(--font-family);
            background: var(--bg-base);
            color: var(--text-primary);
            line-height: 1.75;
            letter-spacing: 0.01em;
            font-size: 15px;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--secondary);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-primary);
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: 0.01em;
        }

        h1 {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 700;
        }
        h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 650;
        }
        h3 {
            font-size: clamp(18px, 2.2vw, 22px);
            font-weight: 600;
        }

        p {
            margin-bottom: 1rem;
            color: var(--text-secondary);
        }

        .container {
            max-width: 1240px;
            padding-left: 24px;
            padding-right: 24px;
        }

        section {
            padding: 72px 0;
            position: relative;
        }

        @media (max-width: 576px) {
            section {
                padding: 48px 0;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ========== 背景与装饰 ========== */
        .bg-grid-lines {
            position: absolute;
            inset: 0;
            pointer-events: none;
            background-image:
                linear-gradient(rgba(56, 189, 248, 0.08) 1px, transparent 1px),
                linear-gradient(90deg, rgba(56, 189, 248, 0.08) 1px, transparent 1px);
            background-size: 48px 48px;
            mask-image: radial-gradient(ellipse 70% 65% at center, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
            -webkit-mask-image: radial-gradient(ellipse 70% 65% at center, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
        }

        .bg-glow-orb {
            position: absolute;
            border-radius: 50%;
            filter: blur(90px);
            pointer-events: none;
            opacity: 0.45;
        }
        .bg-glow-orb.orb-cyan {
            background: rgba(56, 189, 248, 0.3);
            width: 450px;
            height: 450px;
            top: -120px;
            right: -80px;
        }
        .bg-glow-orb.orb-green {
            background: rgba(34, 211, 167, 0.25);
            width: 380px;
            height: 380px;
            bottom: -100px;
            left: -60px;
        }

        /* ========== 导航 ========== */
        .navbar-custom {
            background: rgba(8, 17, 36, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-glass);
            padding: 10px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: var(--transition-base);
        }
        .navbar-custom .navbar-brand {
            font-weight: 700;
            font-size: 20px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .navbar-custom .navbar-brand:hover {
            color: var(--primary);
        }
        .brand-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 0 14px rgba(56, 189, 248, 0.45);
        }
        .navbar-custom .nav-link {
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 8px;
            transition: var(--transition-base);
            position: relative;
            white-space: nowrap;
        }
        .navbar-custom .nav-link:hover {
            color: var(--text-primary);
        }
        .navbar-custom .nav-link.active {
            color: var(--secondary);
        }
        .navbar-custom .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(34, 211, 167, 0.7);
        }
        .navbar-custom .navbar-toggler {
            border: 1px solid var(--border-glass);
            color: var(--text-primary);
            padding: 6px 10px;
            border-radius: 8px;
        }
        .navbar-custom .navbar-toggler:focus {
            box-shadow: 0 0 0 2px var(--secondary);
        }
        .nav-secondary-links {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-right: 14px;
        }
        .nav-secondary-links a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .nav-secondary-links a:hover {
            color: var(--primary);
        }

        .btn-cta {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 10px 24px;
            font-weight: 600;
            font-size: 14px;
            box-shadow: var(--shadow-cta);
            transition: var(--transition-base);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-cta:hover,
        .btn-cta:focus {
            color: #fff;
            box-shadow: 0 0 28px rgba(56, 189, 248, 0.85), 0 0 40px rgba(34, 211, 167, 0.4);
            transform: translateY(-1px);
        }
        .btn-cta:active {
            transform: translateY(0);
            box-shadow: 0 0 12px rgba(56, 189, 248, 0.4);
        }

        .btn-ghost {
            background: rgba(20, 40, 80, 0.4);
            color: var(--text-primary);
            border: 1px solid var(--primary);
            border-radius: var(--radius-btn);
            padding: 10px 22px;
            font-weight: 500;
            font-size: 14px;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-ghost:hover {
            background: rgba(56, 189, 248, 0.12);
            border-color: var(--secondary);
            color: var(--secondary);
        }

        @media (max-width: 991.98px) {
            .nav-secondary-links {
                margin-right: 0;
                margin-top: 8px;
            }
            .navbar-custom .navbar-collapse {
                padding-top: 12px;
            }
        }

        /* ========== 首屏数据驾驶舱 ========== */
        .hero-section {
            min-height: 85vh;
            display: flex;
            align-items: center;
            padding: 80px 0 60px;
            background:
                radial-gradient(ellipse at 30% 20%, rgba(56, 189, 248, 0.12) 0%, transparent 60%),
                radial-gradient(ellipse at 75% 75%, rgba(34, 211, 167, 0.08) 0%, transparent 55%),
                var(--bg-base);
            position: relative;
            overflow: hidden;
        }
        .hero-section .bg-grid-lines {
            opacity: 0.7;
        }
        .hero-content {
            position: relative;
            z-index: 5;
        }
        .hero-title {
            font-size: clamp(30px, 5vw, 46px);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 20px;
            line-height: 1.25;
            letter-spacing: 0.015em;
        }
        .hero-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 560px;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 36px;
        }

        .hero-dashboard {
            position: relative;
            z-index: 5;
            background: var(--bg-surface);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card-lg);
            padding: 24px;
            box-shadow: var(--shadow-glass);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .hero-dashboard .metric-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }
        .hero-dashboard .metric-card {
            background: rgba(20, 40, 80, 0.4);
            border: 1px solid rgba(56, 189, 248, 0.15);
            border-radius: 12px;
            padding: 16px;
            text-align: center;
            transition: var(--transition-base);
        }
        .hero-dashboard .metric-card:hover {
            border-color: var(--border-glow);
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }
        .hero-dashboard .metric-value {
            font-family: var(--font-mono);
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            display: block;
            margin-bottom: 4px;
        }
        .hero-dashboard .metric-label {
            font-size: 13px;
            color: var(--text-secondary);
        }

        @media (max-width: 576px) {
            .hero-section {
                min-height: auto;
                padding: 56px 0 40px;
            }
            .hero-dashboard .metric-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .hero-dashboard .metric-value {
                font-size: 20px;
            }
        }

        /* ========== 板块通用 ========== */
        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--secondary);
            background: rgba(34, 211, 167, 0.1);
            border: 1px solid rgba(34, 211, 167, 0.3);
            border-radius: 999px;
            padding: 4px 14px;
            margin-bottom: 14px;
        }
        .section-title {
            font-size: clamp(22px, 3vw, 30px);
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text-primary);
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .glass-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-glass);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            transition: var(--transition-base);
            height: 100%;
        }
        .glass-card:hover {
            border-color: var(--border-glow);
            transform: translateY(-4px);
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4), 0 0 20px rgba(56, 189, 248, 0.12);
        }

        .dark-card {
            background: rgba(10, 22, 44, 0.7);
            border: 1px solid rgba(56, 189, 248, 0.12);
            border-radius: var(--radius-card);
            padding: 22px;
            transition: var(--transition-base);
            height: 100%;
        }
        .dark-card:hover {
            border-color: rgba(56, 189, 248, 0.3);
        }

        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 16px;
            background: rgba(56, 189, 248, 0.1);
            color: var(--primary);
            border: 1px solid rgba(56, 189, 248, 0.25);
            flex-shrink: 0;
        }
        .card-icon.icon-green {
            background: rgba(34, 211, 167, 0.1);
            color: var(--secondary);
            border-color: rgba(34, 211, 167, 0.25);
        }
        .card-icon.icon-red {
            background: rgba(255, 92, 92, 0.1);
            color: var(--accent-red);
            border-color: rgba(255, 92, 92, 0.25);
        }
        .card-icon.icon-amber {
            background: rgba(255, 176, 32, 0.1);
            color: var(--accent-amber);
            border-color: rgba(255, 176, 32, 0.25);
        }

        /* ========== 服务矩阵（不规则栅格） ========== */
        .service-matrix {
            display: grid;
            grid-template-columns: 2fr 1fr;
            grid-auto-rows: auto;
            gap: 20px;
        }
        .service-matrix .service-card-lg {
            grid-row: span 2;
        }
        .service-matrix .service-card-sm {
            grid-row: span 1;
        }
        .service-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 26px;
            transition: var(--transition-base);
            height: 100%;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }
        .service-card:hover {
            border-color: var(--border-glow);
            transform: translateY(-5px);
            box-shadow: 0 18px 48px rgba(0, 0, 0, 0.35);
        }
        .service-card h3 {
            font-size: 18px;
            margin-bottom: 10px;
        }
        .service-card p {
            font-size: 14px;
            margin-bottom: 0;
            color: var(--text-secondary);
        }
        @media (max-width: 768px) {
            .service-matrix {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 对比卡片 ========== */
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            align-items: stretch;
        }
        .compare-card {
            border-radius: var(--radius-card);
            padding: 26px;
            border: 1px solid;
        }
        .compare-card.traditional {
            background: rgba(10, 22, 44, 0.6);
            border-color: rgba(100, 116, 139, 0.25);
        }
        .compare-card.featured {
            background: rgba(56, 189, 248, 0.08);
            border-color: rgba(34, 211, 167, 0.45);
            box-shadow: 0 0 24px rgba(34, 211, 167, 0.2);
        }
        .compare-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .compare-card li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(56, 189, 248, 0.1);
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }
        .compare-card li:last-child {
            border-bottom: none;
        }
        .compare-card li i {
            flex-shrink: 0;
            margin-top: 3px;
        }
        @media (max-width: 768px) {
            .compare-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 时间轴 ========== */
        .timeline {
            position: relative;
            padding-left: 24px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(180deg, var(--primary), var(--secondary));
            border-radius: 2px;
            box-shadow: 0 0 12px rgba(56, 189, 248, 0.5);
        }
        .timeline-item {
            position: relative;
            padding-left: 32px;
            margin-bottom: 32px;
        }
        .timeline-item:last-child {
            margin-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 4px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--bg-base);
            border: 3px solid var(--primary);
            box-shadow: 0 0 12px rgba(56, 189, 248, 0.6);
        }
        .timeline-item .timeline-date {
            font-size: 13px;
            font-weight: 600;
            color: var(--secondary);
            font-family: var(--font-mono);
            margin-bottom: 4px;
        }
        .timeline-item h3 {
            font-size: 18px;
            margin-bottom: 6px;
        }
        .timeline-item p {
            font-size: 14px;
            margin-bottom: 0;
        }

        /* ========== 资讯列表 ========== */
        .news-card {
            display: flex;
            align-items: center;
            gap: 18px;
            background: var(--bg-surface);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 18px;
            margin-bottom: 16px;
            transition: var(--transition-base);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }
        .news-card:hover {
            border-color: var(--border-glow);
            transform: translateX(4px);
        }
        .news-card img {
            width: 120px;
            height: 80px;
            object-fit: cover;
            border-radius: 10px;
            flex-shrink: 0;
        }
        .news-card .news-body {
            flex: 1;
            min-width: 0;
        }
        .news-card .news-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            padding: 2px 10px;
            border-radius: 999px;
            margin-bottom: 6px;
            background: rgba(56, 189, 248, 0.12);
            color: var(--primary);
            border: 1px solid rgba(56, 189, 248, 0.25);
        }
        .news-card h3 {
            font-size: 17px;
            margin-bottom: 4px;
        }
        .news-card p {
            font-size: 14px;
            margin-bottom: 0;
        }
        @media (max-width: 576px) {
            .news-card {
                flex-direction: column;
                align-items: flex-start;
            }
            .news-card img {
                width: 100%;
                height: auto;
                max-height: 160px;
            }
        }

        /* ========== 平台保障 ========== */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        @media (max-width: 992px) {
            .security-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .security-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 品牌介绍 ========== */
        .brand-intro {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 36px;
            align-items: center;
        }
        .brand-intro img {
            border-radius: var(--radius-card-lg);
            border: 1px solid var(--border-glass);
            box-shadow: var(--shadow-glass);
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .brand-intro .brand-text p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-secondary);
            margin-bottom: 14px;
        }
        @media (max-width: 768px) {
            .brand-intro {
                grid-template-columns: 1fr;
            }
            .brand-intro img {
                order: -1;
                max-height: 240px;
                object-fit: cover;
            }
        }

        /* ========== 赛事日历 ========== */
        .league-pills {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }
        .league-pill {
            background: rgba(20, 40, 80, 0.5);
            border: 1px solid rgba(56, 189, 248, 0.2);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px;
            color: var(--text-secondary);
            cursor: pointer;
            transition: var(--transition-base);
            user-select: none;
        }
        .league-pill:hover,
        .league-pill.active {
            background: rgba(56, 189, 248, 0.15);
            border-color: var(--primary);
            color: var(--text-primary);
        }
        .date-filter-bar {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        .date-filter-btn {
            background: rgba(20, 40, 80, 0.4);
            border: 1px solid rgba(56, 189, 248, 0.15);
            border-radius: 8px;
            padding: 8px 14px;
            font-size: 13px;
            color: var(--text-secondary);
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .date-filter-btn:hover,
        .date-filter-btn.active {
            background: rgba(34, 211, 167, 0.15);
            border-color: var(--secondary);
            color: var(--text-primary);
        }
        .match-slot {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 18px;
            background: rgba(15, 30, 60, 0.6);
            border: 1px solid rgba(56, 189, 248, 0.12);
            border-radius: 10px;
            margin-bottom: 10px;
            font-size: 14px;
            transition: var(--transition-base);
        }
        .match-slot:hover {
            border-color: var(--border-glow);
            background: rgba(20, 40, 80, 0.5);
        }
        .match-slot .match-teams {
            color: var(--text-primary);
            font-weight: 500;
        }
        .match-slot .match-info {
            color: var(--text-secondary);
            font-size: 13px;
        }

        /* ========== 快速解答 ========== */
        .quick-answer-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .quick-answer-card {
            background: rgba(15, 30, 60, 0.5);
            border: 1px solid rgba(56, 189, 248, 0.14);
            border-radius: 14px;
            padding: 20px;
            transition: var(--transition-base);
        }
        .quick-answer-card:hover {
            border-color: var(--border-glow);
        }
        .quick-answer-card h3 {
            font-size: 16px;
            margin-bottom: 6px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .quick-answer-card p {
            font-size: 14px;
            margin-bottom: 0;
        }
        @media (max-width: 576px) {
            .quick-answer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ手风琴 ========== */
        .accordion-custom .accordion-item {
            background: rgba(15, 30, 60, 0.5);
            border: 1px solid rgba(56, 189, 248, 0.14);
            border-radius: 14px !important;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .accordion-custom .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 15px;
            padding: 18px 22px;
            box-shadow: none;
            border: none;
            transition: var(--transition-base);
            font-family: var(--font-family);
        }
        .accordion-custom .accordion-button::after {
            filter: brightness(0) invert(0.7);
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(34, 211, 167, 0.08);
            color: var(--secondary);
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            border-color: var(--secondary);
        }
        .accordion-custom .accordion-body {
            background: rgba(10, 22, 44, 0.5);
            color: var(--text-secondary);
            font-size: 14px;
            padding: 16px 22px 20px;
            line-height: 1.8;
        }
        .accordion-custom .accordion-button .faq-icon {
            margin-right: 12px;
            color: var(--secondary);
            font-size: 18px;
            flex-shrink: 0;
        }

        /* ========== 多端安装 ========== */
        .device-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .device-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 22px;
            text-align: center;
            transition: var(--transition-base);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            height: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .device-card:hover {
            border-color: var(--border-glow);
            transform: translateY(-5px);
            box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
        }
        .device-card .device-icon {
            font-size: 40px;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .device-card h3 {
            font-size: 16px;
            margin-bottom: 6px;
        }
        .device-card p {
            font-size: 13px;
            margin-bottom: 16px;
            color: var(--text-secondary);
        }
        .device-card .btn {
            margin-top: auto;
        }
        @media (max-width: 992px) {
            .device-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .device-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 数据来源与合作伙伴 ========== */
        .data-source-wrap {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .badge-wall {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }
        .source-badge {
            background: rgba(20, 40, 80, 0.5);
            border: 1px solid rgba(56, 189, 248, 0.2);
            border-radius: 12px;
            padding: 18px 22px;
            text-align: center;
            font-size: 14px;
            color: var(--text-secondary);
            min-width: 110px;
            transition: var(--transition-base);
        }
        .source-badge:hover {
            border-color: var(--primary);
            color: var(--text-primary);
        }
        @media (max-width: 768px) {
            .data-source-wrap {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 转化表单 ========== */
        .cta-section {
            background:
                radial-gradient(ellipse at 30% 30%, rgba(56, 189, 248, 0.15) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 70%, rgba(34, 211, 167, 0.12) 0%, transparent 55%),
                var(--bg-deep);
            border-radius: var(--radius-card-lg);
            padding: 48px;
            border: 1px solid var(--border-glass);
            box-shadow: var(--shadow-glass), 0 0 40px rgba(56, 189, 248, 0.1);
            position: relative;
            overflow: hidden;
        }
        .cta-section .bg-glow-orb {
            opacity: 0.35;
        }
        .cta-content {
            position: relative;
            z-index: 5;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }
        .cta-benefits {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .cta-benefits li {
            padding: 10px 0;
            font-size: 15px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .cta-benefits li i {
            color: var(--secondary);
            font-size: 18px;
            flex-shrink: 0;
        }
        .cta-form .form-group {
            margin-bottom: 16px;
        }
        .cta-form label {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            margin-bottom: 6px;
            display: block;
        }
        .cta-form .form-control,
        .cta-form .form-select {
            background: rgba(8, 17, 36, 0.7);
            border: 1px solid rgba(56, 189, 248, 0.2);
            border-radius: 10px;
            padding: 12px 16px;
            color: var(--text-primary);
            font-size: 14px;
            transition: var(--transition-base);
            font-family: var(--font-family);
        }
        .cta-form .form-control:focus,
        .cta-form .form-select:focus {
            background: rgba(8, 17, 36, 0.9);
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(34, 211, 167, 0.2);
            color: var(--text-primary);
        }
        .cta-form .form-control::placeholder {
            color: var(--text-muted);
        }
        .cta-form .btn-cta {
            width: 100%;
            justify-content: center;
            padding: 14px;
            font-size: 15px;
            margin-top: 8px;
        }
        .qr-placeholder {
            width: 120px;
            height: 120px;
            background: rgba(20, 40, 80, 0.5);
            border: 1px dashed rgba(56, 189, 248, 0.3);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 12px;
            margin: 0 auto;
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 28px 20px;
            }
            .cta-content {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 页脚 ========== */
        .footer-custom {
            background: rgba(5, 10, 25, 0.9);
            border-top: 1px solid var(--border-glass);
            padding: 40px 0 24px;
            margin-top: 40px;
        }
        .footer-custom .footer-brand {
            font-weight: 700;
            font-size: 18px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 8px;
        }
        .footer-custom .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-custom .footer-links li {
            margin-bottom: 6px;
        }
        .footer-custom .footer-links a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }
        .footer-custom .footer-links a:hover {
            color: var(--primary);
        }
        .footer-custom .footer-heading {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }
        .footer-custom .copyright {
            font-size: 13px;
            color: var(--text-muted);
            border-top: 1px solid rgba(56, 189, 248, 0.08);
            padding-top: 16px;
            margin-top: 24px;
            text-align: center;
        }

        /* ========== 响应式微调 ========== */
        @media (max-width: 576px) {
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .section-title {
                font-size: 22px;
            }
            .service-matrix {
                gap: 14px;
            }
        }
        @media (min-width: 1200px) {
            .hero-dashboard {
                padding: 32px;
            }
            .hero-dashboard .metric-value {
                font-size: 28px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-base: #081124;
            --bg-deep: #0C1B33;
            --bg-surface: rgba(15, 30, 60, 0.55);
            --bg-surface-light: rgba(20, 40, 80, 0.45);
            --primary: #38BDF8;
            --secondary: #22D3A7;
            --accent-red: #FF5C5C;
            --accent-amber: #FFB020;
            --border-glow: rgba(56, 189, 248, 0.22);
            --border-glass: rgba(56, 189, 248, 0.18);
            --text-primary: #E6F1FF;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --radius-card-lg: 20px;
            --radius-card: 16px;
            --radius-btn: 999px;
            --shadow-glass: 0 20px 60px rgba(0, 0, 0, 0.35);
            --shadow-cta: 0 0 18px rgba(56, 189, 248, 0.6);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            --font-mono: 'Roboto Mono', 'DIN', system-ui, monospace;
            --transition-base: all 0.3s ease;
        }

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

        body {
            font-family: var(--font-family);
            background: var(--bg-base);
            color: var(--text-primary);
            line-height: 1.75;
            letter-spacing: 0.01em;
            font-size: 15px;
            min-height: 100vh;
            overflow-x: hidden;
            background-image: radial-gradient(ellipse 80% 50% at 50% -10%, rgba(56, 189, 248, 0.12), transparent 70%);
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--secondary);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        .container {
            max-width: 1240px;
            padding-left: 24px;
            padding-right: 24px;
        }

        section {
            padding: 48px 0;
            position: relative;
        }

        /* 背景装饰 */
        .bg-grid-lines {
            position: absolute;
            inset: 0;
            pointer-events: none;
            background-image:
                linear-gradient(rgba(56, 189, 248, 0.07) 1px, transparent 1px),
                linear-gradient(90deg, rgba(56, 189, 248, 0.07) 1px, transparent 1px);
            background-size: 48px 48px;
            mask-image: radial-gradient(ellipse 70% 65% at center, rgba(0, 0, 0, 0.7) 0%, transparent 100%);
            -webkit-mask-image: radial-gradient(ellipse 70% 65% at center, rgba(0, 0, 0, 0.7) 0%, transparent 100%);
        }

        .bg-grid-lines-full {
            position: absolute;
            inset: 0;
            pointer-events: none;
            background-image:
                linear-gradient(rgba(56, 189, 248, 0.05) 1px, transparent 1px),
                linear-gradient(90deg, rgba(56, 189, 248, 0.05) 1px, transparent 1px);
            background-size: 56px 56px;
        }

        /* 导航 */
        .navbar-custom {
            background: rgba(8, 17, 36, 0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-glass);
            padding: 10px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: var(--transition-base);
        }
        .navbar-custom .navbar-brand {
            font-weight: 700;
            font-size: 20px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .navbar-custom .navbar-brand:hover {
            color: var(--primary);
        }
        .brand-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 0 14px rgba(56, 189, 248, 0.45);
        }
        .navbar-custom .nav-link {
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 8px;
            transition: var(--transition-base);
            position: relative;
            white-space: nowrap;
        }
        .navbar-custom .nav-link:hover {
            color: var(--text-primary);
        }
        .navbar-custom .nav-link.active {
            color: var(--secondary);
        }
        .navbar-custom .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(34, 211, 167, 0.7);
        }
        .navbar-custom .navbar-toggler {
            border: 1px solid var(--border-glass);
            color: var(--text-primary);
            padding: 6px 10px;
            border-radius: 8px;
        }
        .navbar-custom .navbar-toggler:focus {
            box-shadow: 0 0 0 2px var(--secondary);
        }
        .nav-secondary-links {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-right: 14px;
        }
        .nav-secondary-links a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .nav-secondary-links a:hover {
            color: var(--primary);
        }

        /* 按钮 */
        .btn-cta {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 10px 24px;
            font-weight: 600;
            font-size: 14px;
            box-shadow: var(--shadow-cta);
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .btn-cta:hover {
            background: linear-gradient(135deg, #5ecffa, #3ee6bd);
            box-shadow: 0 0 30px rgba(56, 189, 248, 0.75);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-cta:active {
            box-shadow: 0 0 10px rgba(56, 189, 248, 0.4);
            transform: translateY(0);
        }
        .btn-ghost {
            background: rgba(15, 30, 60, 0.55);
            color: var(--text-primary);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-btn);
            padding: 10px 24px;
            font-weight: 500;
            font-size: 14px;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }
        .btn-ghost:hover {
            border-color: var(--primary);
            background: rgba(56, 189, 248, 0.12);
            color: var(--text-primary);
            box-shadow: 0 0 14px rgba(56, 189, 248, 0.25);
        }
        .btn-ghost:active {
            box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.3);
        }
        .btn-cta-sm {
            padding: 7px 16px;
            font-size: 13px;
            border-radius: 999px;
            box-shadow: 0 0 12px rgba(56, 189, 248, 0.45);
        }
        .btn-cta-sm:hover {
            box-shadow: 0 0 20px rgba(56, 189, 248, 0.65);
            transform: translateY(-1px);
        }
        .btn-outline-sport {
            background: transparent;
            border: 1px solid rgba(56, 189, 248, 0.4);
            color: var(--primary);
            border-radius: 999px;
            padding: 8px 20px;
            font-size: 13px;
            font-weight: 500;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-outline-sport:hover {
            background: rgba(56, 189, 248, 0.1);
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: 0 0 12px rgba(56, 189, 248, 0.3);
        }

        /* 玻璃卡片 */
        .glass-card {
            background: var(--bg-surface);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-glass);
            transition: var(--transition-base);
            padding: 24px;
            position: relative;
            overflow: hidden;
        }
        .glass-card:hover {
            border-color: var(--border-glow);
            box-shadow: 0 24px 70px rgba(0, 0, 0, 0.45), 0 0 24px rgba(56, 189, 248, 0.15);
            transform: translateY(-4px);
        }
        .glass-card-lg {
            border-radius: var(--radius-card-lg);
            padding: 32px;
        }

        /* 分类页头 */
        .category-hero {
            background: linear-gradient(180deg, rgba(12, 27, 51, 0.85) 0%, rgba(8, 17, 36, 0.95) 100%);
            padding: 56px 0 40px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-glass);
            min-height: 280px;
            display: flex;
            align-items: center;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse 60% 80% at 20% 50%, rgba(56, 189, 248, 0.12), transparent 70%);
            pointer-events: none;
        }
        .category-hero .grid-overlay {
            position: absolute;
            inset: 0;
            pointer-events: none;
            background-image:
                linear-gradient(rgba(56, 189, 248, 0.05) 1px, transparent 1px),
                linear-gradient(90deg, rgba(56, 189, 248, 0.05) 1px, transparent 1px);
            background-size: 52px 52px;
            mask-image: linear-gradient(135deg, rgba(0,0,0,0.8) 0%, transparent 70%);
            -webkit-mask-image: linear-gradient(135deg, rgba(0,0,0,0.8) 0%, transparent 70%);
        }
        .category-hero h1 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: 0.01em;
            color: var(--text-primary);
            margin-bottom: 12px;
            position: relative;
            z-index: 2;
        }
        .category-hero .hero-desc {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.7;
            position: relative;
            z-index: 2;
        }
        .category-hero .hero-breadcrumb {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 12px;
            position: relative;
            z-index: 2;
        }
        .category-hero .hero-breadcrumb span {
            color: var(--secondary);
        }

        /* 筛选条 */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
            margin-bottom: 28px;
        }
        .filter-tab {
            background: rgba(15, 30, 60, 0.55);
            border: 1px solid var(--border-glass);
            color: var(--text-secondary);
            border-radius: 999px;
            padding: 8px 20px;
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
            user-select: none;
        }
        .filter-tab:hover {
            border-color: var(--primary);
            color: var(--text-primary);
        }
        .filter-tab.active {
            background: linear-gradient(135deg, rgba(56, 189, 248, 0.2), rgba(34, 211, 167, 0.2));
            border-color: var(--primary);
            color: var(--text-primary);
            box-shadow: 0 0 14px rgba(56, 189, 248, 0.25);
        }
        .filter-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-right: 4px;
        }

        /* 赛程时间轴 */
        .schedule-timeline {
            position: relative;
            padding-left: 24px;
        }
        .schedule-timeline::before {
            content: '';
            position: absolute;
            left: 6px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(180deg, rgba(56, 189, 248, 0.6), rgba(34, 211, 167, 0.4));
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(56, 189, 248, 0.3);
        }
        .schedule-item {
            position: relative;
            margin-bottom: 18px;
            padding-left: 24px;
        }
        .schedule-item::before {
            content: '';
            position: absolute;
            left: -18px;
            top: 18px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--bg-base);
            border: 2px solid var(--primary);
            box-shadow: 0 0 10px rgba(56, 189, 248, 0.5);
            z-index: 2;
        }
        .schedule-item .time-tag {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--secondary);
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .match-card-schedule {
            background: var(--bg-surface);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 18px 22px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            transition: var(--transition-base);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
        }
        .match-card-schedule:hover {
            border-color: var(--border-glow);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.35), 0 0 18px rgba(56, 189, 248, 0.12);
            transform: translateY(-2px);
        }
        .match-league-tag {
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(56, 189, 248, 0.15);
            color: var(--primary);
            border: 1px solid rgba(56, 189, 248, 0.25);
            white-space: nowrap;
        }
        .match-teams {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            flex: 1;
            min-width: 180px;
        }
        .match-teams .vs {
            color: var(--text-muted);
            margin: 0 8px;
            font-weight: 500;
            font-size: 13px;
        }
        .match-status {
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            white-space: nowrap;
        }
        .match-status.upcoming {
            background: rgba(255, 176, 32, 0.15);
            color: var(--accent-amber);
            border: 1px solid rgba(255, 176, 32, 0.3);
        }
        .match-status.live {
            background: rgba(255, 92, 92, 0.15);
            color: var(--accent-red);
            border: 1px solid rgba(255, 92, 92, 0.3);
            animation: pulse-live 2s ease-in-out infinite;
        }
        @keyframes pulse-live {
            0%, 100% { box-shadow: 0 0 4px rgba(255, 92, 92, 0.3); }
            50% { box-shadow: 0 0 14px rgba(255, 92, 92, 0.6); }
        }

        /* 赛果速览 */
        .result-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding-bottom: 12px;
            scroll-snap-type: x proximity;
        }
        .result-scroll::-webkit-scrollbar {
            height: 5px;
        }
        .result-scroll::-webkit-scrollbar-track {
            background: rgba(15, 30, 60, 0.4);
            border-radius: 4px;
        }
        .result-scroll::-webkit-scrollbar-thumb {
            background: rgba(56, 189, 248, 0.4);
            border-radius: 4px;
        }
        .result-mini-card {
            flex: 0 0 220px;
            scroll-snap-align: start;
            background: var(--bg-surface);
            border: 1px solid var(--border-glass);
            border-radius: 14px;
            padding: 16px;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .result-mini-card:hover {
            border-color: var(--border-glow);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3), 0 0 12px rgba(56, 189, 248, 0.15);
            transform: translateY(-3px);
        }
        .result-mini-card .result-teams {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .result-mini-card .result-score {
            font-family: var(--font-mono);
            font-size: 22px;
            font-weight: 700;
            color: var(--secondary);
            margin: 4px 0;
        }
        .result-mini-card .result-league {
            font-size: 11px;
            color: var(--text-muted);
        }
        .result-mini-card .result-date {
            font-size: 11px;
            color: var(--text-muted);
            margin-top: 6px;
        }
        .result-mini-card img {
            width: 100%;
            height: 70px;
            object-fit: cover;
            border-radius: 8px;
            margin-bottom: 10px;
            opacity: 0.7;
        }

        /* 提醒订阅 */
        .reminder-box {
            background: var(--bg-surface);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-card-lg);
            padding: 32px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            box-shadow: var(--shadow-glass);
            position: relative;
            overflow: hidden;
        }
        .reminder-box::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 160px;
            height: 160px;
            background: radial-gradient(circle, rgba(56, 189, 248, 0.2), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .reminder-box .reminder-text h3 {
            font-size: 20px;
            font-weight: 650;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .reminder-box .reminder-text p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
        }

        /* 分类入口 */
        .category-entry-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 18px;
        }
        .category-entry-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-glass);
            border-radius: 14px;
            padding: 20px;
            transition: var(--transition-base);
            display: flex;
            align-items: flex-start;
            gap: 14px;
            color: var(--text-primary);
            position: relative;
            overflow: hidden;
        }
        .category-entry-card:hover {
            border-color: var(--border-glow);
            box-shadow: 0 10px 28px rgba(0, 0, 0, 0.3), 0 0 16px rgba(56, 189, 248, 0.12);
            transform: translateY(-3px);
            color: var(--text-primary);
        }
        .category-entry-card .entry-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(56, 189, 248, 0.15);
            border: 1px solid rgba(56, 189, 248, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            flex-shrink: 0;
        }
        .category-entry-card h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--text-primary);
        }
        .category-entry-card p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0;
        }
        .category-entry-card .entry-arrow {
            margin-left: auto;
            color: var(--text-muted);
            font-size: 16px;
            transition: var(--transition-base);
            align-self: center;
        }
        .category-entry-card:hover .entry-arrow {
            color: var(--secondary);
            transform: translateX(4px);
        }

        /* 底部观赛提示 */
        .footnote-box {
            background: rgba(15, 30, 60, 0.5);
            border: 1px dashed rgba(56, 189, 248, 0.3);
            border-radius: 14px;
            padding: 20px 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: space-between;
        }
        .footnote-box p {
            margin: 0;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .footnote-box .footnote-icon {
            font-size: 20px;
            color: var(--secondary);
        }

        /* 板块标题 */
        .section-title-wrap {
            margin-bottom: 32px;
        }
        .section-title-wrap h2 {
            font-size: 26px;
            font-weight: 650;
            line-height: 1.35;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: 0.01em;
        }
        .section-title-wrap p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0;
            line-height: 1.7;
        }
        .section-title-wrap .title-accent {
            display: inline-block;
            width: 36px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 3px;
            margin-bottom: 12px;
        }

        /* 页脚 */
        .footer-custom {
            background: rgba(8, 17, 36, 0.95);
            border-top: 1px solid var(--border-glass);
            padding: 48px 0 24px;
            margin-top: 32px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .footer-heading {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        .copyright {
            border-top: 1px solid rgba(56, 189, 248, 0.1);
            padding-top: 16px;
            margin-top: 28px;
            font-size: 13px;
            color: var(--text-muted);
            text-align: center;
        }
        .copyright a {
            color: var(--text-muted);
        }
        .copyright a:hover {
            color: var(--primary);
        }

        /* 响应式 */
        @media (max-width: 991px) {
            .navbar-custom .collapse {
                background: rgba(8, 17, 36, 0.98);
                border-radius: 12px;
                padding: 16px;
                margin-top: 10px;
                border: 1px solid var(--border-glass);
            }
            .nav-secondary-links {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                margin-right: 0;
                margin-top: 10px;
            }
            .category-hero {
                min-height: 240px;
                padding: 40px 0 32px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .schedule-timeline {
                padding-left: 12px;
            }
            .schedule-timeline::before {
                left: 4px;
            }
            .schedule-item {
                padding-left: 16px;
            }
            .schedule-item::before {
                left: -8px;
                width: 10px;
                height: 10px;
            }
            .match-card-schedule {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .match-teams {
                min-width: auto;
            }
            .reminder-box {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 767px) {
            section {
                padding: 36px 0;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .glass-card {
                padding: 18px;
            }
            .glass-card-lg {
                padding: 22px;
            }
            .category-hero h1 {
                font-size: 22px;
            }
            .category-hero .hero-desc {
                font-size: 14px;
            }
            .section-title-wrap h2 {
                font-size: 20px;
            }
            .result-mini-card {
                flex: 0 0 180px;
            }
            .filter-bar {
                gap: 6px;
            }
            .filter-tab {
                padding: 6px 14px;
                font-size: 12px;
            }
            .category-entry-grid {
                grid-template-columns: 1fr;
            }
            .footnote-box {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (min-width: 768px) and (max-width: 991px) {
            .category-entry-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 992px) {
            .category-entry-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        /* 特殊装饰 */
        .stripe-accent {
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, var(--primary), var(--secondary));
            border-radius: 4px 0 0 4px;
            opacity: 0.6;
        }

        .schedule-date-label {
            font-size: 12px;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .schedule-date-label::after {
            content: '';
            flex: 1;
            height: 1px;
            background: rgba(56, 189, 248, 0.2);
        }

/* roulang page: category1 */
:root {
            --bg-base: #081124;
            --bg-deep: #0C1B33;
            --bg-surface: rgba(15, 30, 60, 0.55);
            --bg-surface-light: rgba(20, 40, 80, 0.45);
            --primary: #38BDF8;
            --secondary: #22D3A7;
            --accent-red: #FF5C5C;
            --accent-amber: #FFB020;
            --border-glow: rgba(56, 189, 248, 0.22);
            --border-glass: rgba(56, 189, 248, 0.18);
            --text-primary: #E6F1FF;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --radius-card-lg: 20px;
            --radius-card: 16px;
            --radius-btn: 999px;
            --shadow-glass: 0 20px 60px rgba(0, 0, 0, 0.35);
            --shadow-cta: 0 0 18px rgba(56, 189, 248, 0.6);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            --font-mono: 'Roboto Mono', 'DIN', system-ui, monospace;
            --transition-base: all 0.3s ease;
        }

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

        body {
            font-family: var(--font-family);
            background: var(--bg-base);
            color: var(--text-primary);
            line-height: 1.75;
            letter-spacing: 0.01em;
            font-size: 15px;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--secondary);
        }

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

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

        .container {
            max-width: 1240px;
            padding-left: 24px;
            padding-right: 24px;
        }

        section {
            padding: 88px 0;
            position: relative;
        }

        .bg-grid-lines {
            position: absolute;
            inset: 0;
            pointer-events: none;
            background-image:
                linear-gradient(rgba(56, 189, 248, 0.08) 1px, transparent 1px),
                linear-gradient(90deg, rgba(56, 189, 248, 0.08) 1px, transparent 1px);
            background-size: 48px 48px;
            mask-image: radial-gradient(ellipse 70% 65% at center, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
            -webkit-mask-image: radial-gradient(ellipse 70% 65% at center, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
        }

        /* ========== 导航 ========== */
        .navbar-custom {
            background: rgba(8, 17, 36, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-glass);
            padding: 10px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: var(--transition-base);
        }

        .navbar-custom .navbar-brand {
            font-weight: 700;
            font-size: 20px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .navbar-custom .navbar-brand:hover {
            color: var(--primary);
        }

        .brand-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 0 14px rgba(56, 189, 248, 0.45);
        }

        .navbar-custom .nav-link {
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 8px;
            transition: var(--transition-base);
            position: relative;
            white-space: nowrap;
        }

        .navbar-custom .nav-link:hover {
            color: var(--text-primary);
        }

        .navbar-custom .nav-link.active {
            color: var(--secondary);
        }

        .navbar-custom .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(34, 211, 167, 0.7);
        }

        .navbar-custom .navbar-toggler {
            border: 1px solid var(--border-glass);
            color: var(--text-primary);
            padding: 6px 10px;
            border-radius: 8px;
        }

        .navbar-custom .navbar-toggler:focus {
            box-shadow: 0 0 0 2px var(--secondary);
        }

        .nav-secondary-links {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-right: 14px;
        }

        .nav-secondary-links a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .nav-secondary-links a:hover {
            color: var(--primary);
        }

        .btn-cta {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 10px 24px;
            font-weight: 600;
            font-size: 14px;
            box-shadow: var(--shadow-cta);
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .btn-cta:hover {
            color: #fff;
            box-shadow: 0 0 28px rgba(56, 189, 248, 0.85), 0 0 40px rgba(34, 211, 167, 0.35);
            transform: translateY(-1px);
        }

        .btn-cta:active {
            box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.3);
            transform: translateY(1px);
        }

        .btn-ghost {
            background: rgba(15, 30, 60, 0.55);
            color: var(--text-primary);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-btn);
            padding: 10px 24px;
            font-weight: 500;
            font-size: 14px;
            transition: var(--transition-base);
            white-space: nowrap;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .btn-ghost:hover {
            border-color: var(--primary);
            background: rgba(56, 189, 248, 0.1);
            color: var(--primary);
        }

        .offcanvas-custom {
            background: var(--bg-deep);
            border-left: 1px solid var(--border-glass);
        }

        .offcanvas-custom .nav-link {
            color: var(--text-secondary);
            font-size: 15px;
            padding: 10px 16px;
            border-radius: 8px;
            transition: var(--transition-base);
        }

        .offcanvas-custom .nav-link:hover {
            color: var(--text-primary);
            background: rgba(56, 189, 248, 0.08);
        }

        .offcanvas-custom .nav-link.active {
            color: var(--secondary);
            background: rgba(34, 211, 167, 0.08);
        }

        .offcanvas-custom .btn-close {
            filter: invert(1);
            opacity: 0.7;
        }

        /* ========== Hero 指标看板 ========== */
        .hero-dashboard {
            min-height: 84vh;
            display: flex;
            align-items: center;
            padding: 100px 0 80px;
            background:
                radial-gradient(ellipse 60% 50% at 70% 20%, rgba(56, 189, 248, 0.12) 0%, transparent 70%),
                radial-gradient(ellipse 50% 40% at 20% 80%, rgba(34, 211, 167, 0.08) 0%, transparent 70%),
                var(--bg-base);
            position: relative;
            overflow: hidden;
        }

        .hero-dashboard .bg-grid-lines {
            background-size: 56px 56px;
            opacity: 0.7;
        }

        .hero-dashboard h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: 0.01em;
            color: var(--text-primary);
            margin-bottom: 18px;
        }

        .hero-dashboard .hero-sub {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 520px;
            margin-bottom: 24px;
            line-height: 1.8;
        }

        .hero-check-list {
            list-style: none;
            padding: 0;
            margin: 10px 0 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px 24px;
        }

        .hero-check-list li {
            font-size: 13px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .hero-check-list li i {
            color: var(--secondary);
            font-size: 15px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .metrics-board {
            background: var(--bg-surface);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card-lg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: var(--shadow-glass);
            padding: 28px 24px;
            position: relative;
            overflow: hidden;
        }

        .metrics-board::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary), transparent);
        }

        .metric-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .metric-item {
            background: var(--bg-surface-light);
            border: 1px solid rgba(56, 189, 248, 0.12);
            border-radius: 12px;
            padding: 16px 14px;
            text-align: center;
            transition: var(--transition-base);
        }

        .metric-item:hover {
            border-color: var(--border-glow);
            background: rgba(56, 189, 248, 0.06);
        }

        .metric-value {
            font-family: var(--font-mono);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: 0.02em;
        }

        .metric-value.green {
            color: var(--secondary);
        }

        .metric-label {
            font-size: 11px;
            color: var(--text-muted);
            margin-top: 4px;
            letter-spacing: 0.02em;
        }

        .metric-live {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 11px;
            color: var(--accent-red);
            margin-bottom: 6px;
        }

        .metric-live .live-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-red);
            animation: pulse-dot 1.2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.6);
            }
        }

        /* ========== 服务矩阵 ========== */
        .service-matrix {
            background: var(--bg-deep);
            position: relative;
        }

        .service-matrix .bg-grid-lines {
            opacity: 0.4;
        }

        .section-heading {
            margin-bottom: 40px;
            position: relative;
            z-index: 1;
        }

        .section-heading h2 {
            font-size: 26px;
            font-weight: 650;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .section-heading p {
            color: var(--text-secondary);
            font-size: 15px;
            max-width: 600px;
            margin-bottom: 0;
        }

        .service-grid {
            display: grid;
            grid-template-columns: 1.3fr 1fr;
            gap: 20px;
            position: relative;
            z-index: 1;
        }

        .service-grid .service-card-large {
            grid-row: span 2;
        }

        .service-grid .service-card-small-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .service-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 22px;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .service-card:hover {
            border-color: var(--border-glow);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
            transform: translateY(-4px);
        }

        .service-card .service-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(56, 189, 248, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 14px;
            flex-shrink: 0;
        }

        .service-card .service-icon.green {
            background: rgba(34, 211, 167, 0.15);
            color: var(--secondary);
        }

        .service-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .service-card p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.7;
        }

        .service-card-large {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .service-card-large img {
            border-radius: 10px;
            margin-top: 16px;
            height: 160px;
            object-fit: cover;
            border: 1px solid rgba(56, 189, 248, 0.12);
        }

        /* ========== 结果对比 ========== */
        .comparison-section {
            background: var(--bg-base);
            position: relative;
        }

        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-top: 16px;
            position: relative;
            z-index: 1;
        }

        .compare-card {
            padding: 26px 24px;
            border-radius: var(--radius-card);
        }

        .compare-card-left {
            background: rgba(15, 30, 60, 0.4);
            border: 1px solid rgba(148, 163, 184, 0.15);
        }

        .compare-card-right {
            background: rgba(56, 189, 248, 0.08);
            border: 1px solid rgba(56, 189, 248, 0.35);
            box-shadow: 0 0 24px rgba(56, 189, 248, 0.15);
        }

        .compare-card h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .compare-card-left h3 {
            color: var(--text-muted);
        }

        .compare-card-right h3 {
            color: var(--primary);
        }

        .compare-row {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(148, 163, 184, 0.08);
            font-size: 13px;
        }

        .compare-row:last-child {
            border-bottom: none;
        }

        .compare-row i {
            flex-shrink: 0;
            margin-top: 3px;
            font-size: 14px;
        }

        .compare-card-left .compare-row i {
            color: var(--text-muted);
        }

        .compare-card-right .compare-row i {
            color: var(--secondary);
        }

        .compare-row span {
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .compare-card-right .compare-row span {
            color: var(--text-primary);
        }

        /* ========== 里程碑 ========== */
        .milestone-section {
            background: var(--bg-deep);
            position: relative;
        }

        .timeline {
            position: relative;
            padding: 20px 0;
            margin-top: 10px;
            z-index: 1;
        }

        .timeline::before {
            content: '';
            position: absolute;
            top: 32px;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, rgba(56, 189, 248, 0.5), rgba(34, 211, 167, 0.5));
            box-shadow: 0 0 12px rgba(56, 189, 248, 0.4);
            border-radius: 2px;
        }

        .timeline-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 12px;
            position: relative;
        }

        .timeline-item {
            text-align: center;
            position: relative;
            padding-top: 36px;
        }

        .timeline-node {
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--bg-base);
            border: 2px solid var(--primary);
            box-shadow: 0 0 10px rgba(56, 189, 248, 0.6);
            position: absolute;
            top: 26px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
        }

        .timeline-item:nth-child(even) .timeline-node {
            border-color: var(--secondary);
            box-shadow: 0 0 10px rgba(34, 211, 167, 0.5);
        }

        .timeline-item h4 {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .timeline-item p {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ========== 资讯列表 ========== */
        .news-section {
            background: var(--bg-base);
            position: relative;
        }

        .news-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition-base);
            display: flex;
            flex-direction: row;
            margin-bottom: 16px;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .news-card:hover {
            border-color: var(--border-glow);
            box-shadow: 0 14px 40px rgba(0, 0, 0, 0.3);
            transform: translateY(-3px);
        }

        .news-card-body {
            padding: 18px 20px;
            flex: 1;
        }

        .news-card-body .news-tag {
            display: inline-block;
            font-size: 11px;
            padding: 3px 10px;
            border-radius: 999px;
            background: rgba(56, 189, 248, 0.12);
            color: var(--primary);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .news-card-body h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .news-card-body p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.7;
        }

        .news-card-img {
            width: 180px;
            min-height: 120px;
            object-fit: cover;
            flex-shrink: 0;
            border-left: 1px solid rgba(56, 189, 248, 0.1);
        }

        .news-link-more {
            font-size: 13px;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 12px;
            font-weight: 500;
        }

        .news-link-more:hover {
            color: var(--secondary);
        }

        /* ========== 平台保障 ========== */
        .security-section {
            background: var(--bg-deep);
            position: relative;
        }

        .security-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
            position: relative;
            z-index: 1;
        }

        .security-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 20px 18px;
            transition: var(--transition-base);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .security-card:hover {
            border-color: rgba(34, 211, 167, 0.35);
            box-shadow: 0 10px 32px rgba(0, 0, 0, 0.3);
        }

        .security-card .sec-icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: rgba(34, 211, 167, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--secondary);
            font-size: 16px;
            margin-bottom: 12px;
        }

        .security-card h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .security-card p {
            font-size: 12px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ========== 品牌介绍 ========== */
        .brand-intro-section {
            background: var(--bg-base);
            position: relative;
        }

        .brand-intro-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--primary), transparent);
            opacity: 0.3;
        }

        .brand-intro-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card-lg);
            padding: 36px 32px;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            position: relative;
            z-index: 1;
            box-shadow: var(--shadow-glass);
        }

        .brand-intro-card h2 {
            font-size: 22px;
            font-weight: 650;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .brand-intro-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 12px;
        }

        .brand-intro-card p:last-child {
            margin-bottom: 0;
        }

        .brand-intro-card .highlight {
            color: var(--primary);
            font-weight: 500;
        }

        /* ========== 赛事日历 ========== */
        .calendar-section {
            background: var(--bg-deep);
            position: relative;
        }

        .league-pills {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

        .league-pill {
            font-size: 12px;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(56, 189, 248, 0.08);
            border: 1px solid rgba(56, 189, 248, 0.2);
            color: var(--text-secondary);
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .league-pill:hover {
            border-color: var(--primary);
            color: var(--text-primary);
            background: rgba(56, 189, 248, 0.15);
        }

        .league-pill.active {
            background: rgba(56, 189, 248, 0.2);
            border-color: var(--primary);
            color: var(--primary);
            font-weight: 500;
        }

        .date-filter-bar {
            display: flex;
            gap: 8px;
            overflow-x: auto;
            padding-bottom: 8px;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
            scrollbar-width: thin;
        }

        .date-filter-item {
            flex-shrink: 0;
            font-size: 12px;
            padding: 8px 16px;
            border-radius: 8px;
            background: var(--bg-surface-light);
            border: 1px solid rgba(148, 163, 184, 0.1);
            color: var(--text-muted);
            text-align: center;
            cursor: pointer;
            transition: var(--transition-base);
            min-width: 72px;
        }

        .date-filter-item:hover {
            color: var(--text-primary);
            border-color: var(--border-glass);
        }

        .date-filter-item.active {
            background: rgba(56, 189, 248, 0.15);
            border-color: var(--primary);
            color: var(--primary);
            font-weight: 500;
        }

        .date-filter-item .day {
            font-size: 10px;
            color: var(--text-muted);
            display: block;
        }

        .match-slot-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 14px;
            position: relative;
            z-index: 1;
        }

        .match-slot {
            background: var(--bg-surface);
            border: 1px solid var(--border-glass);
            border-radius: 12px;
            padding: 14px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            transition: var(--transition-base);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .match-slot:hover {
            border-color: var(--border-glow);
            background: rgba(56, 189, 248, 0.06);
        }

        .match-slot .team {
            font-size: 12px;
            color: var(--text-primary);
            font-weight: 500;
            flex: 1;
            text-align: center;
        }

        .match-slot .vs {
            font-size: 11px;
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .match-slot .time {
            font-family: var(--font-mono);
            font-size: 11px;
            color: var(--accent-amber);
            flex-shrink: 0;
        }

        /* ========== 快速解答 ========== */
        .quick-faq-section {
            background: var(--bg-base);
            position: relative;
        }

        .quick-faq-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            position: relative;
            z-index: 1;
        }

        .quick-faq-item {
            background: var(--bg-surface);
            border: 1px solid var(--border-glass);
            border-radius: 12px;
            padding: 16px 18px;
            transition: var(--transition-base);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .quick-faq-item:hover {
            border-color: rgba(34, 211, 167, 0.3);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
        }

        .quick-faq-item h4 {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .quick-faq-item p {
            font-size: 12px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ========== FAQ 手风琴 ========== */
        .faq-section {
            background: var(--bg-deep);
            position: relative;
        }

        .accordion-custom .accordion-item {
            background: var(--bg-surface);
            border: 1px solid var(--border-glass);
            border-radius: 12px !important;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition-base);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .accordion-custom .accordion-item:hover {
            border-color: rgba(56, 189, 248, 0.3);
        }

        .accordion-custom .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-size: 14px;
            font-weight: 500;
            padding: 14px 18px;
            border: none;
            box-shadow: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .accordion-custom .accordion-button::after {
            filter: invert(1) brightness(0.7);
            margin-left: auto;
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(56, 189, 248, 0.06);
            color: var(--primary);
            box-shadow: none;
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 2px var(--secondary);
            z-index: 2;
        }

        .accordion-custom .accordion-body {
            font-size: 13px;
            color: var(--text-secondary);
            padding: 4px 18px 16px;
            line-height: 1.8;
            background: transparent;
        }

        /* ========== 多端安装 ========== */
        .device-section {
            background: var(--bg-base);
            position: relative;
        }

        .device-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
            position: relative;
            z-index: 1;
        }

        .device-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 22px 18px;
            text-align: center;
            transition: var(--transition-base);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .device-card:hover {
            border-color: var(--border-glow);
            box-shadow: 0 14px 36px rgba(0, 0, 0, 0.3);
            transform: translateY(-4px);
        }

        .device-card .device-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(56, 189, 248, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            margin: 0 auto 14px;
        }

        .device-card h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .device-card p {
            font-size: 12px;
            color: var(--text-secondary);
            margin-bottom: 14px;
            line-height: 1.6;
        }

        .device-card .btn {
            font-size: 12px;
            padding: 7px 18px;
        }

        /* ========== 数据来源 ========== */
        .data-source-section {
            background: var(--bg-deep);
            position: relative;
        }

        .data-source-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 32px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .data-source-text h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .data-source-text p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 8px;
        }

        .partner-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .partner-badge {
            font-size: 12px;
            padding: 8px 16px;
            border-radius: 8px;
            background: var(--bg-surface-light);
            border: 1px solid rgba(148, 163, 184, 0.15);
            color: var(--text-secondary);
            white-space: nowrap;
            transition: var(--transition-base);
        }

        .partner-badge:hover {
            border-color: var(--border-glow);
            color: var(--text-primary);
        }

        /* ========== 转化表单 ========== */
        .cta-section {
            background: var(--bg-base);
            position: relative;
            padding-bottom: 100px;
        }

        .cta-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-card-lg);
            padding: 40px 36px;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: 0 0 50px rgba(56, 189, 248, 0.12), var(--shadow-glass);
            position: relative;
            overflow: hidden;
            z-index: 1;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(56, 189, 248, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-card h2 {
            font-size: 24px;
            font-weight: 650;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .cta-benefits {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }

        .cta-benefits li {
            font-size: 13px;
            color: var(--text-secondary);
            padding: 6px 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .cta-benefits li i {
            color: var(--secondary);
            font-size: 14px;
        }

        .cta-form .form-control {
            background: rgba(8, 17, 36, 0.7);
            border: 1px solid rgba(56, 189, 248, 0.2);
            border-radius: 10px;
            color: var(--text-primary);
            font-size: 13px;
            padding: 10px 14px;
            transition: var(--transition-base);
        }

        .cta-form .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
            background: rgba(8, 17, 36, 0.85);
            color: var(--text-primary);
        }

        .cta-form .form-control::placeholder {
            color: var(--text-muted);
        }

        .cta-form .form-label {
            font-size: 12px;
            color: var(--text-secondary);
            margin-bottom: 4px;
        }

        .qr-placeholder {
            width: 120px;
            height: 120px;
            background: rgba(8, 17, 36, 0.8);
            border: 1px solid rgba(56, 189, 248, 0.2);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto;
            font-size: 36px;
            color: var(--text-muted);
        }

        /* ========== 页脚 ========== */
        .footer-custom {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-glass);
            padding: 48px 0 28px;
            position: relative;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .footer-brand .brand-icon {
            width: 28px;
            height: 28px;
            font-size: 14px;
            border-radius: 8px;
        }

        .footer-heading {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

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

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

        .footer-links a {
            font-size: 13px;
            color: var(--text-muted);
            transition: var(--transition-base);
        }

        .footer-links a:hover {
            color: var(--primary);
        }

        .copyright {
            margin-top: 24px;
            padding-top: 16px;
            border-top: 1px solid rgba(56, 189, 248, 0.08);
            font-size: 12px;
            color: var(--text-muted);
            text-align: center;
        }

        .copyright a {
            color: var(--text-muted);
        }

        .copyright a:hover {
            color: var(--primary);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1199.98px) {
            .metric-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 12px;
            }
            .security-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .quick-faq-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .device-grid {
                grid-template-columns: repeat(2, 1fr);
            }
    }

    @media (max-width: 991.98px) {
            .hero-dashboard {
                min-height: auto;
                padding: 60px 0;
            }
            .hero-dashboard h1 {
                font-size: 28px;
            }
            .metric-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .service-grid .service-card-large {
                grid-row: auto;
            }
            .service-grid .service-card-small-grid {
                grid-template-columns: 1fr 1fr;
            }
            .compare-grid {
                grid-template-columns: 1fr;
            }
            .timeline-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }
            .timeline-item:nth-child(4),
            .timeline-item:nth-child(5) {
                margin-top: 30px;
            }
            .news-card {
                flex-direction: column;
            }
            .news-card-img {
                width: 100%;
                height: 160px;
                border-left: none;
                border-top: 1px solid rgba(56, 189, 248, 0.1);
            }
            .match-slot-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-source-grid {
                grid-template-columns: 1fr;
            }
            .cta-card {
                padding: 30px 24px;
            }
            section {
                padding: 60px 0;
            }
        }

        @media (max-width: 767.98px) {
            body {
                font-size: 14px;
            }
            .hero-dashboard h1 {
                font-size: 24px;
            }
            .hero-dashboard .hero-sub {
                font-size: 14px;
            }
            .metric-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .metric-value {
                font-size: 18px;
            }
            .security-grid {
                grid-template-columns: 1fr;
            }
            .quick-faq-grid {
                grid-template-columns: 1fr;
            }
            .device-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .timeline-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .timeline-item:nth-child(even) {
                margin-top: 30px;
            }
            .match-slot-grid {
                grid-template-columns: 1fr;
            }
            .service-grid .service-card-small-grid {
                grid-template-columns: 1fr;
            }
            .section-heading h2 {
                font-size: 21px;
            }
            .brand-intro-card {
                padding: 24px 20px;
            }
            .cta-card {
                padding: 24px 18px;
            }
            .cta-card h2 {
                font-size: 20px;
            }
            section {
                padding: 48px 0;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
    }

        @media (max-width: 519.98px) {
            .hero-dashboard h1 {
                font-size: 21px;
                line-height: 1.3;
            }
            .hero-check-list {
                gap: 10px 14px;
            }
            .hero-check-list li {
                font-size: 11px;
            }
            .metric-grid {
                grid-template-columns: 1fr 1fr;
            }
            .metric-item {
                padding: 12px 8px;
            }
            .device-grid {
                grid-template-columns: 1fr;
            }
            .timeline-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .timeline-item {
                padding-top: 28px;
            }
            .timeline-item:nth-child(even) {
                margin-top: 0;
            }
            .timeline::before {
                top: 22px;
            }
            .timeline-node {
                top: 16px;
                width: 12px;
                height: 12px;
            }
            .btn-cta {
                padding: 9px 18px;
                font-size: 12px;
            }
            .btn-ghost {
                padding: 9px 18px;
                font-size: 12px;
            }
            .news-card-body h3 {
                font-size: 14px;
            }
            .brand-intro-card p {
                font-size: 13px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-base: #081124;
            --bg-deep: #0C1B33;
            --bg-surface: rgba(15, 30, 60, 0.55);
            --bg-surface-light: rgba(20, 40, 80, 0.45);
            --primary: #38BDF8;
            --secondary: #22D3A7;
            --accent-red: #FF5C5C;
            --accent-amber: #FFB020;
            --border-glow: rgba(56, 189, 248, 0.22);
            --border-glass: rgba(56, 189, 248, 0.18);
            --text-primary: #E6F1FF;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --radius-card-lg: 20px;
            --radius-card: 16px;
            --radius-btn: 999px;
            --shadow-glass: 0 20px 60px rgba(0, 0, 0, 0.35);
            --shadow-cta: 0 0 18px rgba(56, 189, 248, 0.6);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            --font-mono: 'Roboto Mono', 'DIN', system-ui, monospace;
            --transition-base: all 0.3s ease;
        }

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

        body {
            font-family: var(--font-family);
            background: var(--bg-base);
            color: var(--text-primary);
            line-height: 1.75;
            letter-spacing: 0.01em;
            font-size: 15px;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--secondary);
        }

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

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

        .container {
            max-width: 1240px;
            padding-left: 24px;
            padding-right: 24px;
        }

        section {
            padding: 72px 0;
            position: relative;
        }

        /* ========== 背景与装饰 ========== */
        .bg-grid-lines {
            position: absolute;
            inset: 0;
            pointer-events: none;
            background-image:
                linear-gradient(rgba(56, 189, 248, 0.08) 1px, transparent 1px),
                linear-gradient(90deg, rgba(56, 189, 248, 0.08) 1px, transparent 1px);
            background-size: 48px 48px;
            mask-image: radial-gradient(ellipse 70% 65% at center, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
            -webkit-mask-image: radial-gradient(ellipse 70% 65% at center, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
        }

        .bg-glow-orb {
            position: absolute;
            border-radius: 50%;
            pointer-events: none;
            filter: blur(80px);
            opacity: 0.4;
        }

        .bg-glow-orb.orb-blue {
            width: 400px;
            height: 400px;
            background: rgba(56, 189, 248, 0.25);
            top: -100px;
            right: -100px;
        }

        .bg-glow-orb.orb-green {
            width: 350px;
            height: 350px;
            background: rgba(34, 211, 167, 0.2);
            bottom: -80px;
            left: -80px;
        }

        /* ========== 导航 ========== */
        .navbar-custom {
            background: rgba(8, 17, 36, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-glass);
            padding: 10px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: var(--transition-base);
        }

        .navbar-custom .navbar-brand {
            font-weight: 700;
            font-size: 20px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .navbar-custom .navbar-brand:hover {
            color: var(--primary);
        }

        .brand-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 0 14px rgba(56, 189, 248, 0.45);
        }

        .navbar-custom .nav-link {
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 8px;
            transition: var(--transition-base);
            position: relative;
            white-space: nowrap;
        }

        .navbar-custom .nav-link:hover {
            color: var(--text-primary);
        }

        .navbar-custom .nav-link.active {
            color: var(--secondary);
        }

        .navbar-custom .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(34, 211, 167, 0.7);
        }

        .navbar-custom .navbar-toggler {
            border: 1px solid var(--border-glass);
            color: var(--text-primary);
            padding: 6px 10px;
            border-radius: 8px;
        }

        .navbar-custom .navbar-toggler:focus {
            box-shadow: 0 0 0 2px var(--secondary);
        }

        .nav-secondary-links {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-right: 14px;
        }

        .nav-secondary-links a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .nav-secondary-links a:hover {
            color: var(--primary);
        }

        .btn-cta {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 10px 24px;
            font-weight: 600;
            font-size: 14px;
            box-shadow: var(--shadow-cta);
            transition: all 0.35s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

        .btn-cta:hover {
            color: #fff;
            box-shadow: 0 0 28px rgba(56, 189, 248, 0.8), 0 0 40px rgba(34, 211, 167, 0.3);
            transform: translateY(-1px);
        }

        .btn-cta:active {
            box-shadow: 0 0 12px rgba(56, 189, 248, 0.5);
            transform: translateY(1px);
        }

        .btn-ghost {
            background: rgba(15, 30, 60, 0.5);
            color: var(--text-primary);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-btn);
            padding: 10px 24px;
            font-weight: 500;
            font-size: 14px;
            transition: all 0.35s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

        .btn-ghost:hover {
            border-color: var(--primary);
            background: rgba(56, 189, 248, 0.12);
            color: var(--text-primary);
            box-shadow: 0 0 16px rgba(56, 189, 248, 0.25);
        }

        .btn-ghost:active {
            background: rgba(56, 189, 248, 0.08);
        }

        /* ========== 移动端 offcanvas ========== */
        .offcanvas-custom {
            background: rgba(8, 17, 36, 0.98);
            border-left: 1px solid var(--border-glass);
            backdrop-filter: blur(20px);
        }

        .offcanvas-custom .offcanvas-header {
            border-bottom: 1px solid var(--border-glass);
        }

        .offcanvas-custom .offcanvas-title {
            color: var(--text-primary);
            font-weight: 700;
            font-size: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .offcanvas-custom .btn-close {
            filter: invert(1);
            opacity: 0.7;
        }

        .offcanvas-custom .mobile-nav-link {
            display: block;
            padding: 12px 16px;
            border-radius: 10px;
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition-base);
            margin-bottom: 4px;
        }

        .offcanvas-custom .mobile-nav-link:hover {
            background: rgba(56, 189, 248, 0.08);
            color: var(--text-primary);
        }

        .offcanvas-custom .mobile-nav-link.active {
            background: rgba(34, 211, 167, 0.12);
            color: var(--secondary);
        }

        /* ========== 分类页头 ========== */
        .category-header {
            padding: 60px 0 36px;
            background:
                radial-gradient(ellipse 80% 100% at 20% 0%, rgba(56, 189, 248, 0.12) 0%, transparent 55%),
                radial-gradient(ellipse 60% 80% at 80% 20%, rgba(34, 211, 167, 0.08) 0%, transparent 50%),
                var(--bg-base);
            border-bottom: 1px solid var(--border-glass);
            position: relative;
            min-height: 280px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .category-header .bg-grid-lines {
            opacity: 0.5;
        }

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

        .category-header .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .category-header .breadcrumb-custom a {
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .category-header .breadcrumb-custom a:hover {
            color: var(--primary);
        }

        .category-header .breadcrumb-custom .separator {
            opacity: 0.5;
        }

        .category-header .breadcrumb-custom .current {
            color: var(--secondary);
        }

        .category-header h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: 0.01em;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .category-header .header-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* ========== 玻璃卡片 ========== */
        .glass-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-glass);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            transition: all 0.35s ease;
            position: relative;
            overflow: hidden;
        }

        .glass-card:hover {
            border-color: var(--border-glow);
            box-shadow: 0 24px 70px rgba(0, 0, 0, 0.4), 0 0 24px rgba(56, 189, 248, 0.12);
            transform: translateY(-4px);
        }

        .glass-card.no-hover:hover {
            transform: none;
        }

        /* ========== 板块标题 ========== */
        .section-heading {
            margin-bottom: 36px;
        }

        .section-heading .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--secondary);
            background: rgba(34, 211, 167, 0.1);
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 12px;
            border: 1px solid rgba(34, 211, 167, 0.25);
        }

        .section-heading h2 {
            font-size: 28px;
            font-weight: 650;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .section-heading .section-sub {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 620px;
            line-height: 1.75;
        }

        /* ========== 榜单 Tabs ========== */
        .leaderboard-tabs {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .leaderboard-tabs .tab-btn {
            padding: 10px 20px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(15, 30, 60, 0.5);
            border: 1px solid var(--border-glass);
            transition: all 0.3s ease;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

        .leaderboard-tabs .tab-btn:hover {
            color: var(--text-primary);
            border-color: var(--primary);
            background: rgba(56, 189, 248, 0.08);
        }

        .leaderboard-tabs .tab-btn.active {
            color: #fff;
            background: linear-gradient(135deg, rgba(56, 189, 248, 0.85), rgba(34, 211, 167, 0.85));
            border-color: transparent;
            box-shadow: 0 0 18px rgba(56, 189, 248, 0.4);
        }

        .leaderboard-tabs .tab-btn .tab-count {
            font-size: 11px;
            font-family: var(--font-mono);
            background: rgba(255, 255, 255, 0.15);
            padding: 2px 8px;
            border-radius: 999px;
            font-weight: 400;
        }

        .leaderboard-tabs .tab-btn.active .tab-count {
            background: rgba(255, 255, 255, 0.25);
        }

        /* ========== 玻璃表格 ========== */
        .glass-table-wrap {
            background: var(--bg-surface);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-glass);
            backdrop-filter: blur(14px);
        }

        .glass-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            color: var(--text-primary);
            font-size: 14px;
        }

        .glass-table thead th {
            background: rgba(56, 189, 248, 0.08);
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 12px;
            letter-spacing: 0.05em;
            padding: 14px 18px;
            border-bottom: 1px solid var(--border-glass);
            text-align: left;
            white-space: nowrap;
        }

        .glass-table tbody td {
            padding: 14px 18px;
            border-bottom: 1px solid rgba(56, 189, 248, 0.06);
            vertical-align: middle;
            color: var(--text-primary);
        }

        .glass-table tbody tr {
            transition: all 0.3s ease;
        }

        .glass-table tbody tr:hover {
            background: rgba(56, 189, 248, 0.06);
        }

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

        .glass-table .rank-cell {
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 18px;
            color: var(--text-primary);
            width: 60px;
        }

        .glass-table .rank-cell.rank-top1 {
            color: #FFD700;
            text-shadow: 0 0 12px rgba(255, 215, 0, 0.5);
        }
        .glass-table .rank-cell.rank-top2 {
            color: #C0C0C0;
            text-shadow: 0 0 10px rgba(192, 192, 192, 0.4);
        }
        .glass-table .rank-cell.rank-top3 {
            color: #CD7F32;
            text-shadow: 0 0 10px rgba(205, 127, 50, 0.4);
        }

        .glass-table .player-cell {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .glass-table .player-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(56, 189, 248, 0.25), rgba(34, 211, 167, 0.2));
            border: 1px solid var(--border-glass);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 600;
            color: var(--secondary);
            flex-shrink: 0;
        }

        .glass-table .player-name {
            font-weight: 600;
            font-size: 14px;
            color: var(--text-primary);
        }

        .glass-table .team-name {
            font-size: 13px;
            color: var(--text-secondary);
        }

        .glass-table .stat-number {
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 16px;
            color: var(--primary);
        }

        .glass-table .stat-number.highlight {
            color: var(--secondary);
            text-shadow: 0 0 8px rgba(34, 211, 167, 0.35);
        }

        .glass-table .trend-up {
            color: var(--secondary);
            font-size: 13px;
            font-weight: 500;
        }

        .glass-table .trend-down {
            color: var(--accent-red);
            font-size: 13px;
            font-weight: 500;
        }

        .glass-table .trend-flat {
            color: var(--text-muted);
            font-size: 13px;
        }

        .table-responsive-custom {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .table-responsive-custom::-webkit-scrollbar {
            height: 6px;
        }

        .table-responsive-custom::-webkit-scrollbar-track {
            background: rgba(56, 189, 248, 0.04);
            border-radius: 3px;
        }

        .table-responsive-custom::-webkit-scrollbar-thumb {
            background: rgba(56, 189, 248, 0.3);
            border-radius: 3px;
        }

        /* ========== 趋势图卡片 ========== */
        .trend-card {
            position: relative;
            border-radius: var(--radius-card-lg);
            overflow: hidden;
            min-height: 320px;
            border: 1px solid var(--border-glass);
            box-shadow: var(--shadow-glass);
        }

        .trend-card .trend-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
        }

        .trend-card .trend-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(8, 17, 36, 0.85) 0%, rgba(8, 17, 36, 0.45) 40%, rgba(8, 17, 36, 0.75) 100%);
            z-index: 1;
        }

        .trend-card .trend-content {
            position: relative;
            z-index: 2;
            padding: 32px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            min-height: 320px;
        }

        .trend-card .trend-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            color: var(--secondary);
            background: rgba(34, 211, 167, 0.15);
            padding: 4px 12px;
            border-radius: 999px;
            border: 1px solid rgba(34, 211, 167, 0.3);
            width: fit-content;
            margin-bottom: 12px;
        }

        .trend-card .trend-title {
            font-size: 22px;
            font-weight: 650;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .trend-card .trend-desc {
            font-size: 14px;
            color: var(--text-secondary);
            max-width: 480px;
            line-height: 1.7;
        }

        .trend-card .trend-chart-placeholder {
            position: absolute;
            right: 24px;
            top: 50%;
            transform: translateY(-50%);
            z-index: 3;
            width: 240px;
            height: 160px;
            background: rgba(15, 30, 60, 0.7);
            border: 1px solid var(--border-glass);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            backdrop-filter: blur(8px);
        }

        .trend-card .chart-svg {
            width: 100%;
            height: 100%;
            padding: 16px;
        }

        /* ========== 指标说明 ========== */
        .metric-info-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 16px;
        }

        .metric-info-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 18px 20px;
            background: var(--bg-surface);
            border: 1px solid var(--border-glass);
            border-radius: 14px;
            transition: all 0.3s ease;
        }

        .metric-info-item:hover {
            border-color: var(--border-glow);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
        }

        .metric-info-item .metric-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(56, 189, 248, 0.12);
            border: 1px solid var(--border-glass);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .metric-info-item .metric-text h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .metric-info-item .metric-text p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* ========== 分类入口板块 ========== */
        .category-entry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .category-entry-card {
            padding: 20px 18px;
            background: var(--bg-surface);
            border: 1px solid var(--border-glass);
            border-radius: 14px;
            text-align: left;
            transition: all 0.35s ease;
            display: block;
        }

        .category-entry-card:hover {
            border-color: var(--primary);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3), 0 0 20px rgba(56, 189, 248, 0.15);
            transform: translateY(-3px);
            color: var(--text-primary);
        }

        .category-entry-card .entry-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(56, 189, 248, 0.1);
            border: 1px solid var(--border-glass);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .category-entry-card .entry-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .category-entry-card .entry-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ========== 更新日历/数据来源 ========== */
        .update-source-card {
            padding: 24px 28px;
            background: var(--bg-surface);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-glass);
        }

        .update-source-card .source-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            color: var(--secondary);
            background: rgba(34, 211, 167, 0.1);
            padding: 4px 12px;
            border-radius: 999px;
            border: 1px solid rgba(34, 211, 167, 0.25);
            margin-bottom: 14px;
        }

        .update-source-card .source-title {
            font-size: 20px;
            font-weight: 650;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .update-source-card .source-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .update-source-card .source-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .update-source-card .source-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .update-source-card .source-meta i {
            color: var(--primary);
        }

        /* ========== 页脚 ========== */
        .footer-custom {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-glass);
            padding: 48px 0 24px;
            position: relative;
        }

        .footer-brand {
            font-weight: 700;
            font-size: 20px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-heading {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

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

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

        .footer-links a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .footer-links a:hover {
            color: var(--primary);
        }

        .copyright {
            margin-top: 32px;
            padding-top: 20px;
            border-top: 1px solid rgba(56, 189, 248, 0.1);
            font-size: 13px;
            color: var(--text-muted);
            text-align: center;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1200px) {
            .category-header h1 {
                font-size: 32px;
            }
            .trend-card .trend-chart-placeholder {
                width: 200px;
                height: 140px;
                right: 16px;
            }
        }

        @media (max-width: 992px) {
            section {
                padding: 56px 0;
            }
            .category-header {
                min-height: 260px;
                padding: 48px 0 28px;
            }
            .category-header h1 {
                font-size: 28px;
            }
            .category-entry-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .trend-card .trend-chart-placeholder {
                position: static;
                transform: none;
                width: 100%;
                height: 140px;
                margin-top: 16px;
            }
            .trend-card .trend-content {
                min-height: auto;
                padding: 28px;
            }
            .trend-card {
                min-height: auto;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            section {
                padding: 48px 0;
            }
            .category-header {
                min-height: 240px;
                padding: 40px 0 24px;
            }
            .category-header h1 {
                font-size: 24px;
            }
            .category-header .header-desc {
                font-size: 14px;
            }
            .section-heading h2 {
                font-size: 22px;
            }
            .leaderboard-tabs {
                gap: 6px;
            }
            .leaderboard-tabs .tab-btn {
                padding: 8px 14px;
                font-size: 13px;
            }
            .glass-table thead th,
            .glass-table tbody td {
                padding: 10px 12px;
                font-size: 13px;
            }
            .glass-table .player-avatar {
                width: 28px;
                height: 28px;
                font-size: 11px;
            }
            .category-entry-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .update-source-card {
                padding: 18px 20px;
            }
        }

        @media (max-width: 576px) {
            .category-header h1 {
                font-size: 22px;
            }
            .category-header {
                min-height: 220px;
                padding: 32px 0 20px;
            }
            .btn-cta,
            .btn-ghost {
                padding: 8px 18px;
                font-size: 13px;
            }
            .navbar-custom .navbar-brand {
                font-size: 17px;
            }
            .brand-icon {
                width: 28px;
                height: 28px;
                font-size: 15px;
                border-radius: 8px;
            }
            .trend-card .trend-content {
                padding: 20px;
            }
            .trend-card .trend-title {
                font-size: 18px;
            }
        }

/* roulang page: category4 */
:root {
            --bg-base: #081124;
            --bg-deep: #0C1B33;
            --bg-surface: rgba(15, 30, 60, 0.55);
            --bg-surface-light: rgba(20, 40, 80, 0.45);
            --primary: #38BDF8;
            --secondary: #22D3A7;
            --accent-red: #FF5C5C;
            --accent-amber: #FFB020;
            --border-glow: rgba(56, 189, 248, 0.22);
            --border-glass: rgba(56, 189, 248, 0.18);
            --text-primary: #E6F1FF;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --radius-card-lg: 20px;
            --radius-card: 16px;
            --radius-btn: 999px;
            --shadow-glass: 0 20px 60px rgba(0, 0, 0, 0.35);
            --shadow-cta: 0 0 18px rgba(56, 189, 248, 0.6);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            --font-mono: 'Roboto Mono', 'DIN', system-ui, monospace;
            --transition-base: all 0.3s ease;
        }

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

        body {
            font-family: var(--font-family);
            background: var(--bg-base);
            color: var(--text-primary);
            line-height: 1.75;
            letter-spacing: 0.01em;
            font-size: 15px;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--secondary);
        }

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

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

        .container {
            max-width: 1240px;
            padding-left: 24px;
            padding-right: 24px;
        }

        section {
            padding: 72px 0;
            position: relative;
        }

        .bg-grid-lines {
            position: absolute;
            inset: 0;
            pointer-events: none;
            background-image:
                linear-gradient(rgba(56, 189, 248, 0.07) 1px, transparent 1px),
                linear-gradient(90deg, rgba(56, 189, 248, 0.07) 1px, transparent 1px);
            background-size: 48px 48px;
            mask-image: radial-gradient(ellipse 70% 65% at center, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
            -webkit-mask-image: radial-gradient(ellipse 70% 65% at center, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
        }

        /* ========== 导航 ========== */
        .navbar-custom {
            background: rgba(8, 17, 36, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-glass);
            padding: 10px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: var(--transition-base);
        }

        .navbar-custom .navbar-brand {
            font-weight: 700;
            font-size: 20px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .navbar-custom .navbar-brand:hover {
            color: var(--primary);
        }

        .brand-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 0 14px rgba(56, 189, 248, 0.45);
        }

        .navbar-custom .nav-link {
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 8px;
            transition: var(--transition-base);
            position: relative;
            white-space: nowrap;
        }

        .navbar-custom .nav-link:hover {
            color: var(--text-primary);
        }

        .navbar-custom .nav-link.active {
            color: var(--secondary);
        }

        .navbar-custom .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(34, 211, 167, 0.7);
        }

        .navbar-custom .navbar-toggler {
            border: 1px solid var(--border-glass);
            color: var(--text-primary);
            padding: 6px 10px;
            border-radius: 8px;
        }

        .navbar-custom .navbar-toggler:focus {
            box-shadow: 0 0 0 2px var(--secondary);
        }

        .nav-secondary-links {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-right: 14px;
        }

        .nav-secondary-links a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .nav-secondary-links a:hover {
            color: var(--primary);
        }

        .btn-cta {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 10px 24px;
            font-weight: 600;
            font-size: 14px;
            box-shadow: var(--shadow-cta);
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .btn-cta:hover {
            color: #fff;
            box-shadow: 0 0 28px rgba(56, 189, 248, 0.8), 0 0 40px rgba(34, 211, 167, 0.35);
            transform: translateY(-1px);
            background: linear-gradient(135deg, #4CC9FF, #2DE0B3);
        }

        .btn-cta:active {
            transform: translateY(0);
            box-shadow: 0 0 10px rgba(56, 189, 248, 0.4);
        }

        .btn-ghost {
            background: rgba(15, 30, 60, 0.5);
            border: 1px solid var(--border-glow);
            color: var(--text-primary);
            border-radius: var(--radius-btn);
            padding: 10px 24px;
            font-weight: 500;
            font-size: 14px;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-ghost:hover {
            background: rgba(56, 189, 248, 0.12);
            border-color: var(--primary);
            color: var(--primary);
        }

        .offcanvas-custom {
            background: rgba(8, 17, 36, 0.97);
            backdrop-filter: blur(16px);
            border-left: 1px solid var(--border-glass);
        }

        .offcanvas-custom .nav-link {
            color: var(--text-secondary);
            font-size: 16px;
            padding: 12px 16px;
            border-radius: 10px;
            transition: var(--transition-base);
        }

        .offcanvas-custom .nav-link:hover {
            color: var(--text-primary);
            background: rgba(56, 189, 248, 0.08);
        }

        .offcanvas-custom .nav-link.active {
            color: var(--secondary);
            background: rgba(34, 211, 167, 0.08);
        }

        /* ========== 分类页头 ========== */
        .page-header-category {
            background: linear-gradient(180deg, #0A1528 0%, #081124 100%);
            padding: 64px 0 48px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-glass);
        }

        .page-header-category .bg-grid-lines {
            opacity: 0.6;
        }

        .page-header-category::before {
            content: '';
            position: absolute;
            top: -160px;
            right: -120px;
            width: 480px;
            height: 480px;
            background: radial-gradient(circle, rgba(56, 189, 248, 0.18) 0%, transparent 65%);
            pointer-events: none;
        }

        .page-header-category::after {
            content: '';
            position: absolute;
            bottom: -200px;
            left: -160px;
            width: 520px;
            height: 520px;
            background: radial-gradient(circle, rgba(34, 211, 167, 0.1) 0%, transparent 65%);
            pointer-events: none;
        }

        .page-header-category .container {
            position: relative;
            z-index: 2;
        }

        .page-header-category h1 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: 0.01em;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .page-header-category .lead-text {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        .breadcrumb-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 12px;
        }

        .breadcrumb-tag i {
            font-size: 12px;
            color: var(--secondary);
        }

        /* ========== 通用板块标题 ========== */
        .section-title {
            font-size: 26px;
            font-weight: 650;
            line-height: 1.3;
            color: var(--text-primary);
            letter-spacing: 0.01em;
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 680px;
            margin-bottom: 0;
        }

        /* ========== 玻璃卡片 ========== */
        .glass-card {
            background: var(--bg-surface);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-glass);
            padding: 28px;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .glass-card:hover {
            border-color: var(--border-glow);
            transform: translateY(-4px);
            box-shadow: 0 24px 70px rgba(0, 0, 0, 0.45), 0 0 30px rgba(56, 189, 248, 0.15);
        }

        /* ========== 新手步骤 ========== */
        .step-card {
            background: var(--bg-surface);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            height: 100%;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .step-card:hover {
            border-color: var(--border-glow);
            transform: translateY(-4px);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
        }

        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            font-family: var(--font-mono);
            margin-bottom: 16px;
            box-shadow: 0 0 16px rgba(56, 189, 248, 0.4);
        }

        .step-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .step-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .step-icon {
            font-size: 24px;
            color: var(--secondary);
            margin-bottom: 12px;
            display: block;
        }

        /* ========== 文章卡片 ========== */
        .article-card {
            background: var(--bg-surface);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .article-card:hover {
            border-color: var(--border-glow);
            transform: translateY(-4px);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
        }

        .article-card .article-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            border-bottom: 1px solid var(--border-glass);
        }

        .article-card .article-body {
            padding: 20px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .article-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            color: var(--secondary);
            background: rgba(34, 211, 167, 0.1);
            border: 1px solid rgba(34, 211, 167, 0.2);
            border-radius: 6px;
            padding: 3px 10px;
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .article-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 8px;
        }

        .article-card h3 a {
            color: var(--text-primary);
            transition: var(--transition-base);
        }

        .article-card h3 a:hover {
            color: var(--primary);
        }

        .article-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
            flex: 1;
        }

        /* ========== 提示条 ========== */
        .notice-card {
            background: rgba(15, 30, 60, 0.5);
            border: 1px solid rgba(56, 189, 248, 0.15);
            border-radius: 14px;
            padding: 18px 22px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            transition: var(--transition-base);
        }

        .notice-card:hover {
            border-color: rgba(34, 211, 167, 0.35);
            background: rgba(15, 30, 60, 0.7);
        }

        .notice-card .notice-icon {
            font-size: 20px;
            color: var(--secondary);
            flex-shrink: 0;
            margin-top: 2px;
        }

        .notice-card h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
            line-height: 1.5;
        }

        .notice-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* ========== FAQ 样式 ========== */
        .accordion-custom .accordion-item {
            background: var(--bg-surface);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card) !important;
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition-base);
        }

        .accordion-custom .accordion-item:hover {
            border-color: var(--border-glow);
        }

        .accordion-custom .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 15px;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
            display: flex;
            align-items: center;
            gap: 12px;
            transition: var(--transition-base);
        }

        .accordion-custom .accordion-button::after {
            display: none;
        }

        .accordion-custom .accordion-button .faq-toggle-icon {
            margin-left: auto;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(56, 189, 248, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--secondary);
            flex-shrink: 0;
            transition: var(--transition-base);
        }

        .accordion-custom .accordion-button:not(.collapsed) .faq-toggle-icon {
            transform: rotate(45deg);
            background: rgba(34, 211, 167, 0.15);
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--secondary);
            outline-offset: -2px;
        }

        .accordion-custom .accordion-body {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.75;
            padding: 0 22px 20px 22px;
        }

        /* ========== 分类入口小卡 ========== */
        .category-entry-card {
            background: var(--bg-surface);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 22px;
            transition: var(--transition-base);
            display: flex;
            align-items: center;
            gap: 14px;
            height: 100%;
        }

        .category-entry-card:hover {
            border-color: var(--border-glow);
            transform: translateY(-3px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
        }

        .category-entry-card .entry-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(56, 189, 248, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .category-entry-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .category-entry-card p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.5;
        }

        /* ========== 多端设备块 ========== */
        .device-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .device-pill {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(15, 30, 60, 0.6);
            border: 1px solid var(--border-glass);
            border-radius: 12px;
            padding: 12px 18px;
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .device-pill i {
            font-size: 18px;
            color: var(--primary);
        }

        .device-pill:hover {
            border-color: var(--primary);
            color: var(--text-primary);
            background: rgba(56, 189, 248, 0.08);
        }

        /* ========== 页脚 ========== */
        .footer-custom {
            background: #060D1A;
            border-top: 1px solid var(--border-glass);
            padding: 56px 0 28px;
            position: relative;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 18px;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .footer-heading {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .footer-links a:hover {
            color: var(--primary);
        }

        .copyright {
            margin-top: 36px;
            padding-top: 20px;
            border-top: 1px solid rgba(56, 189, 248, 0.1);
            font-size: 13px;
            color: var(--text-muted);
            text-align: center;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 991.98px) {
            .page-header-category {
                padding: 48px 0 36px;
            }
            .page-header-category h1 {
                font-size: 26px;
            }
            section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .nav-secondary-links {
                display: none !important;
            }
        }

        @media (max-width: 767.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .page-header-category {
                padding: 36px 0 28px;
            }
            .page-header-category h1 {
                font-size: 23px;
            }
            .page-header-category .lead-text {
                font-size: 14px;
            }
            section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 20px;
            }
            .glass-card {
                padding: 20px;
            }
            .step-card {
                padding: 20px;
            }
            .article-card .article-body {
                padding: 16px 18px 20px;
            }
            .notice-card {
                padding: 14px 16px;
            }
            .device-pill {
                padding: 10px 14px;
                font-size: 13px;
            }
        }

        @media (max-width: 575.98px) {
            .page-header-category h1 {
                font-size: 20px;
            }
            .section-title {
                font-size: 18px;
            }
            .btn-cta {
                padding: 8px 18px;
                font-size: 13px;
            }
            .btn-ghost {
                padding: 8px 18px;
                font-size: 13px;
            }
            .accordion-custom .accordion-button {
                font-size: 14px;
                padding: 14px 16px;
            }
            .accordion-custom .accordion-body {
                padding: 0 16px 16px;
            }
        }

/* roulang page: category5 */
:root {
            --bg-base: #081124;
            --bg-deep: #0C1B33;
            --bg-surface: rgba(15, 30, 60, 0.55);
            --bg-surface-light: rgba(20, 40, 80, 0.45);
            --primary: #38BDF8;
            --secondary: #22D3A7;
            --accent-red: #FF5C5C;
            --accent-amber: #FFB020;
            --border-glow: rgba(56, 189, 248, 0.22);
            --border-glass: rgba(56, 189, 248, 0.18);
            --text-primary: #E6F1FF;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --radius-card-lg: 20px;
            --radius-card: 16px;
            --radius-btn: 999px;
            --shadow-glass: 0 20px 60px rgba(0, 0, 0, 0.35);
            --shadow-cta: 0 0 18px rgba(56, 189, 248, 0.6);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            --font-mono: 'Roboto Mono', 'DIN', system-ui, monospace;
            --transition-base: all 0.3s ease;
        }

        * {
            box-sizing: border-box;
        }

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

        body {
            font-family: var(--font-family);
            background: var(--bg-base);
            color: var(--text-primary);
            line-height: 1.75;
            letter-spacing: 0.01em;
            font-size: 15px;
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--secondary);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        .container {
            max-width: 1240px;
            padding-left: 24px;
            padding-right: 24px;
        }

        section {
            padding: 72px 0;
            position: relative;
        }

        @media (max-width: 575.98px) {
            section {
                padding: 48px 0;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        .bg-grid-lines {
            position: absolute;
            inset: 0;
            pointer-events: none;
            background-image:
                linear-gradient(rgba(56, 189, 248, 0.08) 1px, transparent 1px),
                linear-gradient(90deg, rgba(56, 189, 248, 0.08) 1px, transparent 1px);
            background-size: 48px 48px;
            mask-image: radial-gradient(ellipse 70% 65% at center, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
            -webkit-mask-image: radial-gradient(ellipse 70% 65% at center, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
        }

        .bg-glow-top {
            position: absolute;
            inset: 0;
            pointer-events: none;
            background: radial-gradient(ellipse 50% 45% at 50% 0%, rgba(56, 189, 248, 0.12) 0%, transparent 70%);
        }

        /* ========== 导航 ========== */
        .navbar-custom {
            background: rgba(8, 17, 36, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-glass);
            padding: 10px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: var(--transition-base);
        }
        .navbar-custom .navbar-brand {
            font-weight: 700;
            font-size: 20px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .navbar-custom .navbar-brand:hover {
            color: var(--primary);
        }
        .brand-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 0 14px rgba(56, 189, 248, 0.45);
        }
        .navbar-custom .nav-link {
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 8px;
            transition: var(--transition-base);
            position: relative;
            white-space: nowrap;
        }
        .navbar-custom .nav-link:hover {
            color: var(--text-primary);
        }
        .navbar-custom .nav-link.active {
            color: var(--secondary);
        }
        .navbar-custom .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(34, 211, 167, 0.7);
        }
        .navbar-custom .navbar-toggler {
            border: 1px solid var(--border-glass);
            color: var(--text-primary);
            padding: 6px 10px;
            border-radius: 8px;
            background: transparent;
        }
        .navbar-custom .navbar-toggler:focus {
            box-shadow: 0 0 0 2px var(--secondary);
        }
        .nav-secondary-links {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-right: 14px;
        }
        .nav-secondary-links a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .nav-secondary-links a:hover {
            color: var(--primary);
        }

        .btn-cta {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 10px 24px;
            font-weight: 600;
            font-size: 14px;
            box-shadow: var(--shadow-cta);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .btn-cta:hover,
        .btn-cta:active,
        .btn-cta:focus {
            color: #fff;
            background: linear-gradient(135deg, #4cc9f8, #33e3b8);
            box-shadow: 0 0 28px rgba(56, 189, 248, 0.85), 0 0 10px rgba(34, 211, 167, 0.5);
            transform: translateY(-1px);
        }
        .btn-cta:active {
            transform: translateY(1px);
            box-shadow: 0 0 12px rgba(56, 189, 248, 0.4) inset;
        }

        .btn-ghost {
            background: rgba(15, 30, 60, 0.55);
            color: var(--text-primary);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-btn);
            padding: 10px 24px;
            font-weight: 500;
            font-size: 14px;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .btn-ghost:hover {
            border-color: var(--primary);
            background: rgba(56, 189, 248, 0.08);
            color: var(--text-primary);
        }

        /* ========== 移动端 offcanvas ========== */
        .offcanvas-custom {
            background: var(--bg-deep);
            color: var(--text-primary);
            border-left: 1px solid var(--border-glass);
        }
        .offcanvas-custom .nav-link {
            color: var(--text-secondary);
            padding: 12px 16px;
            font-size: 15px;
            border-radius: 8px;
        }
        .offcanvas-custom .nav-link:hover,
        .offcanvas-custom .nav-link.active {
            color: var(--secondary);
            background: rgba(34, 211, 167, 0.06);
        }
        .offcanvas-custom .btn-cta {
            width: 100%;
            justify-content: center;
            margin-top: 8px;
        }
        .offcanvas-header {
            border-bottom: 1px solid var(--border-glass);
        }
        .offcanvas-title {
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        /* ========== 分类页头 ========== */
        .category-hero {
            padding: 64px 0 40px;
            background: linear-gradient(180deg, rgba(12, 27, 51, 0.9) 0%, rgba(8, 17, 36, 0.95) 100%);
            border-bottom: 1px solid var(--border-glass);
            position: relative;
            overflow: hidden;
            min-height: 300px;
            display: flex;
            align-items: center;
        }
        @media (min-width: 768px) {
            .category-hero {
                min-height: 340px;
                padding: 72px 0 48px;
            }
        }
        @media (min-width: 992px) {
            .category-hero {
                min-height: 360px;
            }
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 2;
        }
        .category-hero h1 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: 0.01em;
            margin-bottom: 14px;
            color: var(--text-primary);
        }
        @media (min-width: 576px) {
            .category-hero h1 {
                font-size: 32px;
            }
        }
        @media (min-width: 992px) {
            .category-hero h1 {
                font-size: 38px;
            }
        }
        .category-hero .hero-desc {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 0;
            line-height: 1.75;
        }
        .search-box {
            margin-top: 22px;
            max-width: 540px;
            position: relative;
            z-index: 2;
        }
        .search-box .input-group {
            background: var(--bg-surface);
            border: 1px solid var(--border-glass);
            border-radius: 14px;
            overflow: hidden;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }
        .search-box .form-control {
            background: transparent;
            border: none;
            color: var(--text-primary);
            padding: 12px 16px;
            font-size: 14px;
            box-shadow: none;
        }
        .search-box .form-control::placeholder {
            color: var(--text-muted);
        }
        .search-box .form-control:focus {
            box-shadow: none;
            background: transparent;
        }
        .search-box .btn-search {
            background: transparent;
            border: none;
            color: var(--primary);
            padding: 0 18px;
            font-size: 18px;
            display: flex;
            align-items: center;
        }
        .search-box .btn-search:hover {
            color: var(--secondary);
        }

        /* ========== 玻璃卡片 ========== */
        .glass-card {
            background: var(--bg-surface);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-glass);
            padding: 24px;
            transition: var(--transition-base);
        }
        .glass-card:hover {
            border-color: rgba(56, 189, 248, 0.35);
            box-shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
            transform: translateY(-3px);
        }

        /* ========== 板块标题 ========== */
        .section-heading {
            margin-bottom: 36px;
        }
        .section-heading h2 {
            font-size: 24px;
            font-weight: 650;
            line-height: 1.3;
            margin-bottom: 10px;
            color: var(--text-primary);
            letter-spacing: 0.01em;
        }
        @media (min-width: 768px) {
            .section-heading h2 {
                font-size: 28px;
            }
        }
        .section-heading p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 0;
        }

        /* ========== FAQ 手风琴 ========== */
        .faq-accordion .accordion-item {
            background: var(--bg-surface);
            border: 1px solid var(--border-glass);
            border-radius: 14px !important;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-accordion .accordion-item:hover {
            border-color: rgba(56, 189, 248, 0.35);
        }
        .faq-accordion .accordion-header {
            margin: 0;
        }
        .faq-accordion .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 15px;
            padding: 18px 20px;
            box-shadow: none;
            border: none;
            display: flex;
            align-items: center;
            gap: 12px;
            width: 100%;
            text-align: left;
            transition: var(--transition-base);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(34, 211, 167, 0.06);
            color: var(--secondary);
            box-shadow: none;
        }
        .faq-accordion .accordion-button::after {
            display: none;
        }
        .faq-accordion .faq-icon {
            width: 26px;
            height: 26px;
            border-radius: 8px;
            background: rgba(56, 189, 248, 0.12);
            color: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
            transition: var(--transition-base);
        }
        .faq-accordion .accordion-button:not(.collapsed) .faq-icon {
            background: rgba(34, 211, 167, 0.18);
            color: var(--secondary);
        }
        .faq-accordion .accordion-button .faq-chevron {
            margin-left: auto;
            font-size: 16px;
            color: var(--text-muted);
            transition: transform 0.3s ease;
        }
        .faq-accordion .accordion-button:not(.collapsed) .faq-chevron {
            transform: rotate(180deg);
            color: var(--secondary);
        }
        .faq-accordion .accordion-body {
            padding: 4px 20px 20px 58px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.75;
            background: transparent;
        }

        /* ========== 表单 ========== */
        .form-control-custom {
            background: rgba(8, 17, 36, 0.7);
            border: 1px solid var(--border-glass);
            border-radius: 12px;
            padding: 12px 16px;
            color: var(--text-primary);
            font-size: 14px;
            transition: var(--transition-base);
            width: 100%;
            box-shadow: none;
        }
        .form-control-custom::placeholder {
            color: var(--text-muted);
        }
        .form-control-custom:focus {
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(34, 211, 167, 0.15);
            outline: none;
            background: rgba(8, 17, 36, 0.85);
            color: var(--text-primary);
        }
        .form-select-custom {
            background: rgba(8, 17, 36, 0.7);
            border: 1px solid var(--border-glass);
            border-radius: 12px;
            padding: 12px 16px;
            color: var(--text-primary);
            font-size: 14px;
            transition: var(--transition-base);
            width: 100%;
            box-shadow: none;
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394A3B8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
        }
        .form-select-custom:focus {
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(34, 211, 167, 0.15);
            outline: none;
        }
        .form-label-custom {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            margin-bottom: 6px;
            display: block;
        }

        /* ========== 社区规则 ========== */
        .rule-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px 0;
            border-bottom: 1px solid rgba(56, 189, 248, 0.08);
        }
        .rule-item:last-child {
            border-bottom: none;
        }
        .rule-num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(56, 189, 248, 0.12);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 600;
            flex-shrink: 0;
        }
        .rule-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .rule-text strong {
            color: var(--text-primary);
            font-weight: 600;
        }

        /* ========== 公告/更新日志 ========== */
        .update-card {
            display: flex;
            gap: 16px;
            padding: 16px;
            background: rgba(15, 30, 60, 0.4);
            border: 1px solid var(--border-glass);
            border-radius: 12px;
            margin-bottom: 12px;
            transition: var(--transition-base);
        }
        .update-card:hover {
            border-color: rgba(56, 189, 248, 0.3);
            background: rgba(15, 30, 60, 0.6);
        }
        .update-date {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--accent-amber);
            white-space: nowrap;
            padding-top: 2px;
        }
        .update-content {
            flex: 1;
        }
        .update-content h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .update-content p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.65;
        }

        /* ========== 分类入口 ========== */
        .category-entry-card {
            display: block;
            padding: 22px 18px;
            background: var(--bg-surface);
            border: 1px solid var(--border-glass);
            border-radius: 14px;
            text-align: center;
            transition: var(--transition-base);
            color: var(--text-primary);
            height: 100%;
        }
        .category-entry-card:hover {
            border-color: rgba(56, 189, 248, 0.4);
            background: rgba(15, 30, 60, 0.7);
            transform: translateY(-4px);
            color: var(--text-primary);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
        }
        .category-entry-card .entry-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(56, 189, 248, 0.12);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin: 0 auto 12px;
        }
        .category-entry-card h3 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .category-entry-card p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ========== 联系支持 ========== */
        .support-block {
            display: flex;
            gap: 20px;
            align-items: center;
            flex-wrap: wrap;
            padding: 20px;
            background: rgba(15, 30, 60, 0.45);
            border: 1px solid var(--border-glass);
            border-radius: 14px;
        }
        .support-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(34, 211, 167, 0.12);
            color: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            flex-shrink: 0;
        }
        .support-info h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .support-info p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        /* ========== 页脚 ========== */
        .footer-custom {
            background: rgba(8, 17, 36, 0.95);
            border-top: 1px solid var(--border-glass);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer-brand {
            font-weight: 700;
            font-size: 18px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .footer-heading {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        .copyright {
            border-top: 1px solid rgba(56, 189, 248, 0.08);
            margin-top: 32px;
            padding-top: 20px;
            font-size: 13px;
            color: var(--text-muted);
            text-align: center;
        }
        .copyright a {
            color: var(--text-muted);
        }
        .copyright a:hover {
            color: var(--primary);
        }

        /* ========== 响应式微调 ========== */
        @media (max-width: 767.98px) {
            .category-hero {
                min-height: 260px;
                padding: 48px 0 32px;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .category-hero .hero-desc {
                font-size: 14px;
            }
            .glass-card {
                padding: 18px;
            }
            .faq-accordion .accordion-body {
                padding: 4px 14px 16px 16px;
            }
            .faq-accordion .accordion-button {
                padding: 14px 16px;
                font-size: 14px;
            }
            .section-heading h2 {
                font-size: 21px;
            }
        }

        @media (max-width: 575.98px) {
            .category-hero {
                min-height: auto;
                padding: 40px 0 28px;
            }
            .category-hero h1 {
                font-size: 22px;
            }
            .support-block {
                flex-direction: column;
                align-items: flex-start;
            }
            .category-entry-card {
                padding: 16px 12px;
            }
            .category-entry-card .entry-icon {
                width: 36px;
                height: 36px;
                font-size: 18px;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}