/* roulang page: index */
:root {
            --primary: #1E6FD9;
            --primary-hover: #174EA6;
            --primary-light: rgba(30, 111, 217, 0.08);
            --primary-soft: rgba(30, 111, 217, 0.15);
            --dark: #122A4B;
            --dark-secondary: #1a3a5c;
            --bg: #F5F8FC;
            --card-bg: #FFFFFF;
            --border: #E6EEF8;
            --text: #0F172A;
            --text-secondary: #5B6B7B;
            --text-muted: #8A94A6;
            --accent: #F97316;
            --accent-hover: #E8620A;
            --success: #0FA36B;
            --success-soft: rgba(15, 163, 107, 0.1);
            --danger: #E53E3E;
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-pill: 50px;
            --shadow-card: 0 10px 30px rgba(15, 23, 42, 0.06);
            --shadow-card-hover: 0 18px 40px rgba(15, 23, 42, 0.10);
            --shadow-lg: 0 24px 60px rgba(15, 23, 42, 0.12);
            --font-cn: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-num: 'Inter', 'Roboto', system-ui, sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --focus-ring: 0 0 0 3px rgba(30, 111, 217, 0.35);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-bottom: 0;
        }

        @media (max-width: 991.98px) {
            body {
                padding-bottom: 68px;
            }
        }

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

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

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

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 0;
        }

        h1 {
            font-size: 44px;
            font-weight: 800;
        }

        @media (max-width: 767.98px) {
            h1 {
                font-size: 30px;
            }
        }

        h2 {
            font-size: 32px;
            font-weight: 700;
        }

        @media (max-width: 767.98px) {
            h2 {
                font-size: 25px;
            }
        }

        h3 {
            font-size: 22px;
            font-weight: 700;
        }

        @media (max-width: 767.98px) {
            h3 {
                font-size: 19px;
            }
        }

        h4 {
            font-size: 18px;
            font-weight: 700;
        }

        p {
            margin-bottom: 0;
        }

        .container {
            max-width: 1200px;
        }

        .section {
            padding: 96px 0;
        }

        @media (max-width: 991.98px) {
            .section {
                padding: 72px 0;
            }
        }

        @media (max-width: 767.98px) {
            .section {
                padding: 52px 0;
            }
        }

        .section-alt {
            background-color: var(--card-bg);
        }

        .section-dim {
            background-color: var(--bg);
        }

        .section-dark {
            background-color: var(--dark);
            color: #fff;
        }

        .section-dark h2,
        .section-dark h3,
        .section-dark p {
            color: #fff;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .section-title {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        @media (max-width: 991.98px) {
            .section-title {
                font-size: 28px;
            }
        }

        @media (max-width: 767.98px) {
            .section-title {
                font-size: 24px;
            }
        }

        .section-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 70ch;
            line-height: 1.75;
            margin-bottom: 48px;
        }

        @media (max-width: 767.98px) {
            .section-subtitle {
                font-size: 15px;
                margin-bottom: 36px;
            }
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }

        .site-header .navbar {
            padding: 12px 0;
        }

        .site-header .navbar-brand {
            font-weight: 800;
            font-size: 22px;
            color: var(--primary);
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .site-header .navbar-brand .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 19px;
            font-weight: 800;
        }

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

        .site-header .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            padding: 8px 16px !important;
            border-radius: 8px;
            transition: var(--transition);
            position: relative;
        }

        .site-header .nav-link:hover,
        .site-header .nav-link:focus {
            color: var(--primary);
            background: var(--primary-light);
        }

        .site-header .nav-link.active {
            color: var(--primary);
            font-weight: 700;
            background: var(--primary-light);
        }

        .site-header .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 3px;
            border-radius: 2px;
            background: var(--primary);
        }

        .site-header .header-icon-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--border);
            background: var(--card-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            transition: var(--transition);
            text-decoration: none;
        }

        .site-header .header-icon-btn:hover,
        .site-header .header-icon-btn:focus {
            color: var(--primary);
            border-color: var(--primary);
            box-shadow: var(--focus-ring);
        }

        /* 底部 Tab */
        .bottom-tab-bar {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1049;
            background: #fff;
            border-top: 1px solid var(--border);
            box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.06);
            padding: 8px 4px calc(8px + env(safe-area-inset-bottom));
            display: flex;
            justify-content: space-around;
            align-items: flex-start;
        }

        .bottom-tab-bar .tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            font-size: 11px;
            font-weight: 600;
            color: var(--text-muted);
            text-decoration: none;
            padding: 4px 8px;
            border-radius: 10px;
            transition: var(--transition);
            min-width: 56px;
        }

        .bottom-tab-bar .tab-item i {
            font-size: 22px;
            line-height: 1;
            transition: var(--transition);
        }

        .bottom-tab-bar .tab-item:hover {
            color: var(--primary);
        }

        .bottom-tab-bar .tab-item.active {
            color: var(--primary);
            background: var(--primary-light);
        }

        .bottom-tab-bar .tab-item.active i {
            transform: scale(1.08);
        }

        @media (max-width: 991.98px) {
            .bottom-tab-bar {
                display: flex;
            }
        }

        /* Hero */
        .hero-competition {
            position: relative;
            background-image: url('/assets/images/5c0e36f7a99b6ed0.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 720px;
            display: flex;
            align-items: center;
            padding: 80px 0 80px;
            overflow: hidden;
        }

        .hero-competition::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(155deg, rgba(18, 42, 75, 0.88) 0%, rgba(18, 42, 75, 0.72) 40%, rgba(30, 111, 217, 0.55) 75%, rgba(18, 42, 75, 0.82) 100%);
            z-index: 1;
        }

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

        .hero-content {
            max-width: 620px;
        }

        .hero-content .hero-badge-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }

        .hero-content .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: #fff;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-pill);
            padding: 6px 14px;
        }

        .hero-content .hero-badge i {
            color: #FCD34D;
            font-size: 14px;
        }

        .hero-content h1 {
            color: #fff;
            font-size: 46px;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 18px;
            line-height: 1.22;
        }

        @media (max-width: 991.98px) {
            .hero-content h1 {
                font-size: 36px;
            }
        }

        @media (max-width: 767.98px) {
            .hero-content h1 {
                font-size: 29px;
                line-height: 1.3;
            }
        }

        .hero-content .hero-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.88);
            line-height: 1.7;
            max-width: 58ch;
            margin-bottom: 28px;
        }

        .hero-content .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 32px;
        }

        .hero-content .hero-metrics {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
        }

        .hero-content .hero-metric {
            display: flex;
            flex-direction: column;
        }

        .hero-content .hero-metric .metric-value {
            font-family: var(--font-num);
            font-size: 28px;
            font-weight: 800;
            color: #FCD34D;
            line-height: 1.2;
        }

        .hero-content .hero-metric .metric-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            font-weight: 500;
        }

        /* 观赛券墙 */
        .ticket-wall {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .ticket-main {
            position: relative;
            background: #fff;
            border-radius: var(--radius-card);
            padding: 28px 30px;
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            transition: var(--transition);
        }

        .ticket-main:hover {
            transform: translateY(-4px);
            box-shadow: 0 30px 70px rgba(15, 23, 42, 0.16);
        }

        .ticket-main::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 5px;
            background: var(--accent);
        }

        .ticket-main .ticket-punch-line {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 10px;
        }

        .ticket-main .ticket-title-large {
            font-size: 26px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 8px;
        }

        .ticket-main .ticket-desc {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 16px;
            line-height: 1.6;
        }

        .ticket-main .ticket-meta-row {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 18px;
        }

        .ticket-main .ticket-meta {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .ticket-main .ticket-meta i {
            color: var(--primary);
            font-size: 16px;
        }

        .ticket-side-row {
            display: flex;
            gap: 14px;
            align-items: stretch;
        }

        .ticket-mini {
            flex: 1;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 16px 18px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .ticket-mini:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .ticket-mini .ticket-mini-tag {
            font-size: 11px;
            font-weight: 700;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: 20px;
            padding: 3px 10px;
            margin-bottom: 8px;
            display: inline-block;
        }

        .ticket-mini .ticket-mini-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }

        .ticket-mini .ticket-mini-desc {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* 痛点卡片 */
        .pain-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .pain-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: transparent;
            transition: var(--transition);
        }

        .pain-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(30, 111, 217, 0.35);
            transform: translateY(-4px);
        }

        .pain-card:hover::after {
            background: var(--danger);
        }

        .pain-card .pain-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(229, 62, 62, 0.09);
            color: var(--danger);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 16px;
        }

        .pain-card h3 {
            font-size: 19px;
            margin-bottom: 10px;
            font-weight: 700;
        }

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

        /* 解决方案 */
        .solution-layout {
            display: flex;
            align-items: center;
            gap: 48px;
        }

        @media (max-width: 991.98px) {
            .solution-layout {
                flex-direction: column;
                gap: 32px;
            }
        }

        .solution-image-wrap {
            flex: 1;
            min-width: 0;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .solution-image-wrap img {
            width: 100%;
            height: 100%;
            min-height: 380px;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .solution-image-wrap .solution-img-badge {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: rgba(255, 255, 255, 0.94);
            border-radius: 10px;
            padding: 12px 20px;
            font-size: 14px;
            font-weight: 700;
            color: var(--text);
            box-shadow: var(--shadow-card);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .solution-image-wrap .solution-img-badge i {
            color: var(--success);
            font-size: 18px;
        }

        .solution-content {
            flex: 1;
            min-width: 0;
        }

        .solution-points {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .solution-points li {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding: 16px 18px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 12px;
            transition: var(--transition);
        }

        .solution-points li:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-card);
            transform: translateX(4px);
        }

        .solution-points li .point-icon {
            width: 40px;
            height: 40px;
            flex-shrink: 0;
            border-radius: 10px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }

        .solution-points li .point-text h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .solution-points li .point-text p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* 步骤时间线 */
        .steps-timeline {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            position: relative;
        }

        .steps-timeline::before {
            content: '';
            position: absolute;
            top: 48px;
            left: 30px;
            right: 30px;
            height: 2px;
            background: var(--border);
            z-index: 0;
        }

        @media (max-width: 991.98px) {
            .steps-timeline::before {
                display: none;
            }
        }

        .step-item {
            flex: 1;
            min-width: 200px;
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 0 12px;
        }

        .step-item .step-dot {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--card-bg);
            border: 2px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }

        .step-item:hover .step-dot {
            border-color: var(--primary);
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-card-hover);
            transform: scale(1.06);
        }

        .step-item h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            max-width: 28ch;
            margin: 0 auto;
        }

        /* 成果数据 */
        .metrics-strip {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            justify-content: center;
            padding: 20px 0;
        }

        .metric-block {
            flex: 1;
            min-width: 150px;
            text-align: center;
            padding: 32px 20px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-card);
            border: 1px solid rgba(255, 255, 255, 0.12);
            transition: var(--transition);
        }

        .metric-block:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.25);
        }

        .metric-block .metric-num {
            font-family: var(--font-num);
            font-size: 36px;
            font-weight: 800;
            color: #FCD34D;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .metric-block .metric-caption {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            font-weight: 500;
        }

        /* 品牌介绍 */
        .brand-layout {
            display: flex;
            align-items: center;
            gap: 48px;
            max-width: 1000px;
            margin: 0 auto;
        }

        @media (max-width: 991.98px) {
            .brand-layout {
                flex-direction: column;
                gap: 28px;
            }
        }

        .brand-image-wrap {
            flex: 0 0 320px;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        @media (max-width: 991.98px) {
            .brand-image-wrap {
                flex: 0 0 auto;
                width: 100%;
                max-width: 400px;
            }
        }

        .brand-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4/5;
        }

        .brand-text-wrap {
            flex: 1;
        }

        .brand-text-wrap .brand-body {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 16px;
            max-width: 70ch;
        }

        /* 证言 */
        .testimonial-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(30, 111, 217, 0.3);
        }

        .testimonial-card .quote-mark {
            font-size: 40px;
            line-height: 1;
            color: var(--primary-soft);
            font-weight: 800;
            margin-bottom: 12px;
            font-family: Georgia, serif;
        }

        .testimonial-card .quote-text {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 20px;
            flex: 1;
        }

        .testimonial-card .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-card .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 17px;
            flex-shrink: 0;
        }

        .testimonial-card .testimonial-info .author-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
        }

        .testimonial-card .testimonial-info .author-role {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 适用人群 */
        .audience-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        .audience-chip {
            display: flex;
            align-items: center;
            gap: 12px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 14px 26px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            cursor: default;
        }

        .audience-chip:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            background: var(--primary-light);
        }

        .audience-chip .chip-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            flex-shrink: 0;
        }

        .audience-chip .chip-label {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
        }

        /* 专题入口 */
        .topic-entry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
            margin-top: 8px;
        }

        @media (max-width: 991.98px) {
            .topic-entry-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }

        @media (max-width: 520px) {
            .topic-entry-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        .topic-entry-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 22px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            text-align: center;
            height: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .topic-entry-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: transparent;
            transition: var(--transition);
        }

        .topic-entry-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-6px);
            color: var(--text);
        }

        .topic-entry-card:hover::after {
            background: var(--primary);
        }

        .topic-entry-card .topic-entry-icon {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            margin-bottom: 16px;
        }

        .topic-entry-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }

        .topic-entry-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .topic-entry-card .entry-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* 新闻中心 */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .news-row-card {
            display: flex;
            gap: 20px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 22px 24px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            align-items: flex-start;
        }

        .news-row-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(30, 111, 217, 0.35);
            transform: translateY(-3px);
        }

        .news-row-card .news-date-block {
            flex-shrink: 0;
            width: 72px;
            text-align: center;
            background: var(--primary-light);
            border-radius: 10px;
            padding: 10px 8px;
            font-weight: 700;
            color: var(--primary);
        }

        .news-row-card .news-date-block .news-day {
            font-size: 26px;
            font-weight: 800;
            line-height: 1.1;
        }

        .news-row-card .news-date-block .news-month {
            font-size: 13px;
            font-weight: 600;
            text-transform: uppercase;
        }

        .news-row-card .news-body {
            flex: 1;
            min-width: 0;
        }

        .news-row-card .news-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .news-row-card .news-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 10px;
        }

        .news-row-card .news-read-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            text-decoration: none;
            transition: var(--transition);
        }

        .news-row-card .news-read-more:hover {
            color: var(--primary-hover);
            gap: 10px;
        }

        .news-row-card .news-thumb {
            flex-shrink: 0;
            width: 140px;
            height: 100px;
            border-radius: 12px;
            overflow: hidden;
        }

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

        @media (max-width: 767.98px) {
            .news-row-card {
                flex-direction: column;
                gap: 14px;
                padding: 18px;
            }

            .news-row-card .news-date-block {
                width: auto;
                display: inline-flex;
                align-items: baseline;
                gap: 6px;
                padding: 6px 14px;
            }

            .news-row-card .news-thumb {
                width: 100%;
                height: 160px;
            }
        }

        /* 数据指标 */
        .data-progress-grid {
            display: flex;
            flex-direction: column;
            gap: 26px;
            max-width: 800px;
            margin: 0 auto;
        }

        .data-progress-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .data-progress-item:hover {
            box-shadow: var(--shadow-card-hover);
        }

        .data-progress-item .progress-label-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 12px;
        }

        .data-progress-item .progress-label-row .label-text {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
        }

        .data-progress-item .progress-label-row .label-value {
            font-family: var(--font-num);
            font-size: 16px;
            font-weight: 800;
            color: var(--primary);
        }

        .data-progress-item .progress {
            height: 10px;
            border-radius: 50px;
            background: var(--bg);
            overflow: visible;
        }

        .data-progress-item .progress-bar {
            background: var(--primary);
            border-radius: 50px;
            transition: width 1.2s ease;
        }

        .data-progress-item .progress-bar.bar-accent {
            background: var(--accent);
        }

        .data-progress-item .progress-bar.bar-success {
            background: var(--success);
        }

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

        .accordion-custom .accordion-item:hover {
            border-color: rgba(30, 111, 217, 0.3);
        }

        .accordion-custom .accordion-button {
            background: var(--card-bg);
            color: var(--text);
            font-weight: 700;
            font-size: 16px;
            padding: 20px 24px;
            border-radius: var(--radius-card) !important;
            box-shadow: none !important;
            transition: var(--transition);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary);
            border-radius: var(--radius-card) var(--radius-card) 0 0 !important;
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: var(--focus-ring) !important;
        }

        .accordion-custom .accordion-button::after {
            filter: brightness(0) saturate(100%) invert(36%) sepia(76%) saturate(2000%) hue-rotate(205deg);
        }

        .accordion-custom .accordion-body {
            background: var(--card-bg);
            padding: 18px 24px 22px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            border-radius: 0 0 var(--radius-card) var(--radius-card);
        }

        /* CTA */
        .cta-dark-block {
            background: var(--dark);
            border-radius: var(--radius-card);
            padding: 56px 48px;
            box-shadow: var(--shadow-lg);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-dark-block::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }

        .cta-dark-block::after {
            content: '';
            position: absolute;
            bottom: -120px;
            left: -60px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }

        .cta-dark-block h2 {
            color: #fff;
            font-size: 32px;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

        .cta-dark-block p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 16px;
            max-width: 60ch;
            margin: 0 auto 28px;
            position: relative;
            z-index: 1;
        }

        /* 订阅 */
        .subscribe-layout {
            display: flex;
            align-items: center;
            gap: 36px;
            max-width: 900px;
            margin: 0 auto;
        }

        @media (max-width: 991.98px) {
            .subscribe-layout {
                flex-direction: column;
                gap: 24px;
                text-align: center;
            }
        }

        .subscribe-form-wrap {
            flex: 1;
            min-width: 0;
        }

        .subscribe-form-wrap .form-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .subscribe-form-wrap .form-control {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            font-size: 15px;
            border-radius: var(--radius-btn);
            border: 1px solid #CBD5E1;
            background: #fff;
            color: var(--text);
            transition: var(--transition);
            box-shadow: none;
        }

        .subscribe-form-wrap .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 111, 217, 0.15);
            outline: none;
        }

        /* 按钮 */
        .btn-competition {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            transition: var(--transition);
            cursor: pointer;
            text-decoration: none;
            white-space: nowrap;
            border: none;
            box-shadow: 0 4px 16px rgba(30, 111, 217, 0.22);
        }

        .btn-competition:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(30, 111, 217, 0.32);
        }

        .btn-competition:focus {
            box-shadow: var(--focus-ring);
            outline: none;
        }

        .btn-competition:active {
            transform: translateY(0);
        }

        .btn-competition.btn-primary-custom {
            background: var(--primary);
            color: #fff;
        }

        .btn-competition.btn-primary-custom:hover {
            background: var(--primary-hover);
            color: #fff;
        }

        .btn-competition.btn-outline-custom {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            box-shadow: none;
        }

        .btn-competition.btn-outline-custom:hover {
            background: var(--primary-light);
            color: var(--primary-hover);
            box-shadow: 0 4px 16px rgba(30, 111, 217, 0.15);
        }

        .btn-competition.btn-accent-custom {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(249, 115, 22, 0.28);
        }

        .btn-competition.btn-accent-custom:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: 0 8px 28px rgba(249, 115, 22, 0.38);
        }

        .btn-competition.btn-white-custom {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
        }

        .btn-competition.btn-white-custom:hover {
            background: var(--bg);
            color: var(--primary-hover);
        }

        /* 页脚 */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.75);
            padding-top: 64px;
            padding-bottom: 32px;
        }

        .site-footer .footer-brand {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .site-footer .footer-brand .brand-icon-sm {
            width: 34px;
            height: 34px;
            border-radius: 9px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 17px;
            font-weight: 800;
        }

        .site-footer .footer-desc {
            font-size: 14px;
            line-height: 1.75;
            max-width: 44ch;
            margin-bottom: 20px;
            color: rgba(255, 255, 255, 0.6);
        }

        .site-footer .footer-heading {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .site-footer .footer-link {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 10px;
            text-decoration: none;
            transition: var(--transition);
        }

        .site-footer .footer-link:hover {
            color: #fff;
            transform: translateX(4px);
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 24px;
            margin-top: 48px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
        }

        .site-footer .footer-bottom .copyright {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .site-footer .footer-bottom .legal-links {
            display: flex;
            gap: 16px;
            font-size: 13px;
        }

        .site-footer .footer-bottom .legal-links a {
            color: rgba(255, 255, 255, 0.55);
            text-decoration: none;
            transition: var(--transition);
        }

        .site-footer .footer-bottom .legal-links a:hover {
            color: #fff;
        }

        /* 图片懒加载占位 */
        .img-placeholder {
            background: var(--primary-light);
            min-height: 120px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
        }

        /* 响应式微调 */
        @media (max-width: 767.98px) {
            .hero-competition {
                min-height: auto;
                padding: 64px 0 56px;
            }

            .section-title {
                letter-spacing: -0.2px;
            }

            .ticket-main {
                padding: 20px 18px;
            }

            .ticket-side-row {
                flex-direction: column;
            }

            .cta-dark-block {
                padding: 36px 22px;
            }

            .brand-image-wrap {
                max-width: 100%;
                margin: 0 auto;
            }

            .news-row-card .news-thumb {
                height: 140px;
            }
        }

        @media (max-width: 1199.98px) and (min-width: 992px) {
            .hero-content h1 {
                font-size: 38px;
            }
        }

/* roulang page: category2 */
:root {
      --primary: #1E6FD9;
      --primary-hover: #174EA6;
      --primary-light: rgba(30, 111, 217, 0.08);
      --primary-soft: rgba(30, 111, 217, 0.15);
      --dark: #122A4B;
      --dark-secondary: #1a3a5c;
      --bg: #F5F8FC;
      --card-bg: #FFFFFF;
      --border: #E6EEF8;
      --text: #0F172A;
      --text-secondary: #5B6B7B;
      --text-muted: #8A94A6;
      --accent: #F97316;
      --accent-hover: #E8620A;
      --success: #0FA36B;
      --success-soft: rgba(15, 163, 107, 0.1);
      --danger: #E53E3E;
      --radius-card: 16px;
      --radius-btn: 12px;
      --radius-pill: 50px;
      --shadow-card: 0 10px 30px rgba(15, 23, 42, 0.06);
      --shadow-card-hover: 0 18px 40px rgba(15, 23, 42, 0.10);
      --shadow-lg: 0 24px 60px rgba(15, 23, 42, 0.12);
      --font-cn: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
      --font-num: 'Inter', 'Roboto', system-ui, sans-serif;
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      --focus-ring: 0 0 0 3px rgba(30, 111, 217, 0.35);
    }

    /* 基础 reset */
    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      -webkit-tap-highlight-color: transparent;
    }

    body {
      font-family: var(--font-cn);
      font-size: 16px;
      line-height: 1.75;
      color: var(--text);
      background-color: var(--bg);
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      overflow-x: hidden;
      padding-bottom: 68px;
    }

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

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

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

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

    .container {
      max-width: 1200px;
    }

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

    .section-alt {
      background-color: var(--card-bg);
    }

    .section-dim {
      background-color: var(--bg);
    }

    .section-dark {
      background-color: var(--dark);
      color: #fff;
    }

    .section-dark h2,
    .section-dark h3,
    .section-dark p {
      color: #fff;
    }

    .section-tag {
      display: inline-block;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.5px;
      color: var(--primary);
      background: var(--primary-light);
      border-radius: var(--radius-pill);
      padding: 6px 16px;
      margin-bottom: 16px;
      text-transform: uppercase;
    }

    .section-title {
      font-size: 30px;
      font-weight: 800;
      margin-bottom: 12px;
      letter-spacing: -0.3px;
    }

    .section-subtitle {
      font-size: 16px;
      color: var(--text-secondary);
      max-width: 70ch;
      line-height: 1.75;
      margin-bottom: 40px;
    }

    /* 导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1050;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
      transition: var(--transition);
    }

    .site-header .navbar {
      padding: 12px 0;
    }

    .site-header .navbar-brand {
      font-weight: 800;
      font-size: 22px;
      color: var(--primary);
      letter-spacing: -0.3px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .site-header .navbar-brand .brand-icon {
      width: 38px;
      height: 38px;
      border-radius: 10px;
      background: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 19px;
      font-weight: 800;
    }

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

    .site-header .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: var(--text);
      padding: 8px 16px !important;
      border-radius: 8px;
      transition: var(--transition);
      position: relative;
    }

    .site-header .nav-link:hover,
    .site-header .nav-link:focus {
      color: var(--primary);
      background: var(--primary-light);
    }

    .site-header .nav-link.active {
      color: var(--primary);
      font-weight: 700;
      background: var(--primary-light);
    }

    .site-header .nav-link.active::after {
      content: '';
      position: absolute;
      bottom: 2px;
      left: 16px;
      right: 16px;
      height: 3px;
      border-radius: 2px;
      background: var(--primary);
    }

    .site-header .header-icon-btn {
      width: 40px;
      height: 40px;
      border-radius: 10px;
      border: 1px solid var(--border);
      background: var(--card-bg);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--text-secondary);
      font-size: 18px;
      transition: var(--transition);
    }

    .site-header .header-icon-btn:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: var(--primary-light);
    }

    /* 移动端底部 Tab */
    .mobile-bottom-nav {
      display: none;
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      z-index: 1045;
      background: #fff;
      border-top: 1px solid var(--border);
      box-shadow: 0 -6px 20px rgba(15, 23, 42, 0.06);
      padding: 8px 0 max(8px, env(safe-area-inset-bottom));
      justify-content: space-around;
      align-items: center;
    }

    .mobile-bottom-nav .mobile-nav-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 2px;
      font-size: 12px;
      font-weight: 500;
      color: var(--text-secondary);
      padding: 4px 12px;
      border-radius: 12px;
      transition: var(--transition);
      min-width: 56px;
    }

    .mobile-bottom-nav .mobile-nav-item i {
      font-size: 20px;
      line-height: 1;
    }

    .mobile-bottom-nav .mobile-nav-item.active {
      color: var(--primary);
      background: var(--primary-light);
    }

    .mobile-bottom-nav .mobile-nav-item:hover {
      color: var(--primary);
    }

    /* 面包屑 */
    .breadcrumb-custom {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 12px;
    }

    .breadcrumb-custom a {
      color: var(--text-secondary);
    }

    .breadcrumb-custom a:hover {
      color: var(--primary);
      text-decoration: underline;
    }

    .breadcrumb-custom .separator {
      margin: 0 6px;
      color: var(--text-muted);
    }

    /* 标签筛选条 */
    .filter-tag-bar {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 20px;
    }

    .filter-tag {
      display: inline-flex;
      align-items: center;
      padding: 8px 18px;
      border-radius: var(--radius-pill);
      background: var(--card-bg);
      border: 1px solid var(--border);
      color: var(--text-secondary);
      font-size: 14px;
      font-weight: 500;
      transition: var(--transition);
      cursor: default;
    }

    .filter-tag.highlight {
      background: var(--primary-light);
      border-color: rgba(30, 111, 217, 0.3);
      color: var(--primary);
      font-weight: 600;
    }

    /* 按钮 */
    .btn-custom {
      border-radius: var(--radius-btn);
      font-weight: 600;
      padding: 12px 24px;
      transition: var(--transition);
      border: none;
    }

    .btn-primary-custom {
      background: var(--primary);
      color: #fff;
    }

    .btn-primary-custom:hover {
      background: var(--primary-hover);
      color: #fff;
      box-shadow: 0 8px 20px rgba(30, 111, 217, 0.25);
    }

    .btn-outline-custom {
      background: transparent;
      border: 1px solid var(--primary);
      color: var(--primary);
    }

    .btn-outline-custom:hover {
      background: var(--primary-light);
      border-color: var(--primary);
      color: var(--primary);
    }

    .btn-accent {
      background: var(--accent);
      color: #fff;
    }

    .btn-accent:hover {
      background: var(--accent-hover);
      color: #fff;
      box-shadow: 0 8px 20px rgba(249, 115, 22, 0.3);
    }

    /* 卡片 */
    .card-custom {
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      transition: var(--transition);
      overflow: hidden;
    }

    .card-custom:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-card-hover);
      border-color: rgba(30, 111, 217, 0.3);
    }

    /* 训练阶段卡片 */
    .stage-card {
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      padding: 26px;
      height: 100%;
      box-shadow: var(--shadow-card);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .stage-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-card-hover);
      border-color: rgba(30, 111, 217, 0.3);
    }

    .stage-card .stage-number {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      border-radius: 12px;
      background: var(--primary-light);
      color: var(--primary);
      font-weight: 800;
      font-size: 18px;
      margin-bottom: 16px;
    }

    .stage-card h3 {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text);
    }

    .stage-card p {
      font-size: 15px;
      color: var(--text-secondary);
      margin-bottom: 0;
    }

    /* 课程列表行 */
    .course-list-item {
      display: flex;
      align-items: center;
      gap: 16px;
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      padding: 18px 20px;
      margin-bottom: 16px;
      box-shadow: var(--shadow-card);
      transition: var(--transition);
    }

    .course-list-item:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-card-hover);
      border-color: rgba(30, 111, 217, 0.3);
    }

    .course-list-item .course-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: var(--primary-light);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 22px;
      flex-shrink: 0;
    }

    .course-list-item .course-info {
      flex: 1;
      min-width: 0;
    }

    .course-list-item .course-info h3 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 4px;
      color: var(--text);
    }

    .course-list-item .course-info p {
      font-size: 14px;
      color: var(--text-secondary);
      margin-bottom: 0;
    }

    .course-list-item .course-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
      flex-wrap: wrap;
    }

    .badge-status {
      display: inline-flex;
      align-items: center;
      padding: 4px 12px;
      border-radius: var(--radius-pill);
      font-size: 12px;
      font-weight: 600;
    }

    .badge-status.available {
      background: var(--success-soft);
      color: var(--success);
    }

    .badge-status.ongoing {
      background: var(--primary-light);
      color: var(--primary);
    }

    /* 教练提示卡 */
    .coach-card {
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      padding: 28px;
      box-shadow: var(--shadow-card);
      display: flex;
      flex-wrap: wrap;
      gap: 24px;
      align-items: center;
    }

    .coach-card .coach-avatar {
      width: 96px;
      height: 96px;
      border-radius: 50%;
      object-fit: cover;
      border: 3px solid var(--primary-soft);
      flex-shrink: 0;
    }

    .coach-card .coach-info {
      flex: 1;
      min-width: 0;
    }

    .coach-card .coach-info h3 {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 4px;
      color: var(--text);
    }

    .coach-card .coach-info .coach-title {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 12px;
    }

    .coach-card .coach-info p {
      font-size: 15px;
      color: var(--text-secondary);
      margin-bottom: 0;
    }

    /* 数据对比 */
    .data-compare-bar {
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      padding: 24px;
      box-shadow: var(--shadow-card);
    }

    .data-compare-bar .data-row {
      margin-bottom: 16px;
    }

    .data-compare-bar .data-row:last-child {
      margin-bottom: 0;
    }

    .data-compare-bar .data-label {
      display: flex;
      justify-content: space-between;
      font-size: 14px;
      font-weight: 500;
      color: var(--text-secondary);
      margin-bottom: 6px;
    }

    .data-compare-bar .data-label .value {
      color: var(--text);
      font-weight: 700;
    }

    .data-compare-bar .progress {
      height: 10px;
      background: var(--bg);
      border-radius: var(--radius-pill);
      overflow: hidden;
    }

    .data-compare-bar .progress-bar {
      background: var(--primary);
      border-radius: var(--radius-pill);
      transition: width 0.6s ease;
    }

    /* FAQ */
    .accordion-custom .accordion-item {
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-card) !important;
      margin-bottom: 12px;
      box-shadow: var(--shadow-card);
      overflow: hidden;
    }

    .accordion-custom .accordion-button {
      font-weight: 700;
      font-size: 16px;
      color: var(--text);
      background: var(--card-bg);
      padding: 18px 22px;
      border: none;
      border-radius: 0 !important;
      box-shadow: none !important;
    }

    .accordion-custom .accordion-button:not(.collapsed) {
      color: var(--primary);
      background: var(--primary-light);
    }

    .accordion-custom .accordion-button:focus {
      box-shadow: var(--focus-ring);
    }

    .accordion-custom .accordion-button::after {
      background-size: 18px;
      transition: var(--transition);
    }

    .accordion-custom .accordion-body {
      padding: 18px 22px;
      font-size: 15px;
      color: var(--text-secondary);
      background: var(--card-bg);
    }

    /* CTA 深色块 */
    .cta-block {
      background: var(--dark);
      border-radius: var(--radius-card);
      padding: 48px 40px;
      color: #fff;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .cta-block h2 {
      font-size: 28px;
      font-weight: 800;
      margin-bottom: 8px;
      color: #fff;
    }

    .cta-block p {
      font-size: 16px;
      color: rgba(255, 255, 255, 0.8);
      margin-bottom: 0;
      max-width: 60ch;
    }

    /* 相关栏目卡片 */
    .related-card {
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      padding: 24px;
      box-shadow: var(--shadow-card);
      transition: var(--transition);
      height: 100%;
      display: flex;
      flex-direction: column;
      align-items: flex-start;
    }

    .related-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-card-hover);
      border-color: rgba(30, 111, 217, 0.3);
    }

    .related-card i {
      font-size: 28px;
      color: var(--primary);
      margin-bottom: 12px;
    }

    .related-card h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text);
    }

    .related-card p {
      font-size: 14px;
      color: var(--text-secondary);
      margin-bottom: 16px;
    }

    /* 页脚 */
    .site-footer {
      background: var(--dark);
      color: rgba(255, 255, 255, 0.8);
      padding: 64px 0 24px;
      margin-top: 0;
    }

    .site-footer .footer-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 12px;
    }

    .site-footer .brand-icon-sm {
      width: 34px;
      height: 34px;
      border-radius: 9px;
      background: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 16px;
      font-weight: 800;
    }

    .site-footer .footer-desc {
      font-size: 14px;
      line-height: 1.7;
      color: rgba(255, 255, 255, 0.7);
      margin-bottom: 16px;
    }

    .site-footer .footer-heading {
      font-size: 16px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 16px;
    }

    .site-footer .footer-link {
      display: block;
      color: rgba(255, 255, 255, 0.7);
      font-size: 14px;
      margin-bottom: 10px;
      transition: var(--transition);
    }

    .site-footer .footer-link:hover {
      color: #fff;
      padding-left: 4px;
    }

    .site-footer .footer-bottom {
      margin-top: 40px;
      padding-top: 20px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
    }

    .site-footer .copyright {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.65);
    }

    .site-footer .legal-links {
      display: flex;
      gap: 16px;
    }

    .site-footer .legal-links a {
      color: rgba(255, 255, 255, 0.65);
      font-size: 14px;
    }

    .site-footer .legal-links a:hover {
      color: #fff;
      text-decoration: underline;
    }

    /* 响应式断点 */
    @media (max-width: 991.98px) {
      .mobile-bottom-nav {
        display: flex;
      }

      body {
        padding-bottom: 76px;
      }

      .section {
        padding: 52px 0;
      }

      .section-title {
        font-size: 24px;
      }

      .cta-block {
        padding: 36px 24px;
      }

      .cta-block h2 {
        font-size: 24px;
      }

      .course-list-item {
        flex-direction: column;
        align-items: flex-start;
      }

      .course-list-item .course-meta {
        width: 100%;
        justify-content: flex-start;
      }

      .coach-card {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
      }

      .coach-card .coach-avatar {
        width: 80px;
        height: 80px;
      }
    }

    @media (max-width: 767.98px) {
      .section-title {
        font-size: 22px;
      }

      .section-subtitle {
        font-size: 15px;
        margin-bottom: 28px;
      }

      .stage-card {
        padding: 20px;
      }

      .related-card {
        margin-bottom: 16px;
      }

      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }

    @media (min-width: 992px) {
      .mobile-bottom-nav {
        display: none;
      }
    }

    /* 焦点可见性 */
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
      outline: none;
      box-shadow: var(--focus-ring);
    }

/* roulang page: category1 */
:root {
            --primary: #1E6FD9;
            --primary-hover: #174EA6;
            --primary-light: rgba(30, 111, 217, 0.08);
            --primary-soft: rgba(30, 111, 217, 0.15);
            --dark: #122A4B;
            --dark-secondary: #1a3a5c;
            --bg: #F5F8FC;
            --card-bg: #FFFFFF;
            --border: #E6EEF8;
            --text: #0F172A;
            --text-secondary: #5B6B7B;
            --text-muted: #8A94A6;
            --accent: #F97316;
            --accent-hover: #E8620A;
            --success: #0FA36B;
            --success-soft: rgba(15, 163, 107, 0.1);
            --danger: #E53E3E;
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-pill: 50px;
            --shadow-card: 0 10px 30px rgba(15, 23, 42, 0.06);
            --shadow-card-hover: 0 18px 40px rgba(15, 23, 42, 0.10);
            --shadow-lg: 0 24px 60px rgba(15, 23, 42, 0.12);
            --font-cn: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-num: 'Inter', 'Roboto', system-ui, sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --focus-ring: 0 0 0 3px rgba(30, 111, 217, 0.35);
        }

        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-bottom: 0;
        }

        a {
            text-decoration: none;
            color: var(--primary);
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1200px;
        }

        .section {
            padding: 72px 0;
        }
        .section-alt {
            background-color: var(--card-bg);
        }
        .section-dim {
            background-color: var(--bg);
        }
        .section-dark {
            background-color: var(--dark);
            color: #fff;
        }
        .section-dark h2,
        .section-dark h3,
        .section-dark p {
            color: #fff;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .section-title {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 70ch;
            line-height: 1.75;
            margin-bottom: 48px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }
        .site-header .navbar {
            padding: 12px 0;
        }
        .site-header .navbar-brand {
            font-weight: 800;
            font-size: 22px;
            color: var(--primary);
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .site-header .navbar-brand .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 19px;
            font-weight: 800;
        }
        .site-header .navbar-brand:hover {
            color: var(--primary-hover);
        }
        .site-header .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            padding: 8px 16px !important;
            border-radius: 8px;
            transition: var(--transition);
            position: relative;
        }
        .site-header .nav-link:hover,
        .site-header .nav-link:focus {
            color: var(--primary);
            background: var(--primary-light);
        }
        .site-header .nav-link.active {
            color: var(--primary);
            font-weight: 700;
            background: var(--primary-light);
        }
        .site-header .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 3px;
            border-radius: 2px;
            background: var(--primary);
        }
        .site-header .header-icon-btn {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: var(--card-bg);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .site-header .header-icon-btn:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: var(--primary-light);
            box-shadow: var(--focus-ring);
        }
        .site-header .navbar-toggler {
            padding: 8px 10px;
        }
        .site-header .navbar-toggler:focus {
            box-shadow: var(--focus-ring);
        }

        /* ===== 底部 Tab 导航 ===== */
        .bottom-tab-nav {
            display: none;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-bar {
            padding: 20px 0;
            background: var(--card-bg);
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb-bar .breadcrumb {
            margin-bottom: 0;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .breadcrumb-bar .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb-bar .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb-bar .breadcrumb .active {
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== 页面分类头部 ===== */
        .page-header-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
        }
        .page-header-card h1 {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: -0.3px;
            margin-bottom: 8px;
        }
        .page-header-card .page-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 75ch;
            margin-bottom: 0;
            line-height: 1.8;
        }

        /* ===== 筛选条 ===== */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }
        .filter-bar .filter-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border);
            background: var(--card-bg);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .filter-bar .filter-btn:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: var(--primary-light);
        }
        .filter-bar .filter-btn.active {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
            font-weight: 600;
        }
        .filter-bar .filter-btn:focus {
            box-shadow: var(--focus-ring);
            outline: none;
        }

        /* ===== 赛事卡片 ===== */
        .event-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .event-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(30, 111, 217, 0.35);
        }
        .event-card .event-thumb {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--primary-light);
        }
        .event-card .event-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .event-card:hover .event-thumb img {
            transform: scale(1.04);
        }
        .event-card .event-status-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
            line-height: 1.4;
            z-index: 2;
        }
        .event-status-badge.status-live {
            background: var(--accent);
            color: #fff;
        }
        .event-status-badge.status-upcoming {
            background: var(--primary);
            color: #fff;
        }
        .event-status-badge.status-finished {
            background: #E2E8F0;
            color: var(--text-secondary);
        }
        .event-status-badge.status-recruiting {
            background: var(--success);
            color: #fff;
        }
        .event-card .event-body {
            padding: 22px 22px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .event-card .event-date {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
            font-family: var(--font-num);
        }
        .event-card .event-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .event-card .event-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 14px;
        }
        .event-card .event-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .event-card .event-link i {
            font-size: 12px;
            transition: var(--transition);
        }
        .event-card .event-link:hover {
            color: var(--primary-hover);
        }
        .event-card .event-link:hover i {
            transform: translateX(3px);
        }

        /* ===== 赛季数据带 ===== */
        .stats-band {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px 24px;
        }
        .stats-band .stat-item {
            text-align: center;
            padding: 16px 8px;
        }
        .stats-band .stat-number {
            font-size: 34px;
            font-weight: 800;
            font-family: var(--font-num);
            color: var(--primary);
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .stats-band .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ===== 热门排行 ===== */
        .rank-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .rank-list .rank-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 16px;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
            border-radius: 10px;
        }
        .rank-list .rank-item:last-child {
            border-bottom: none;
        }
        .rank-list .rank-item:hover {
            background: var(--primary-light);
        }
        .rank-list .rank-number {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            font-family: var(--font-num);
            flex-shrink: 0;
            background: var(--bg);
            color: var(--text-secondary);
        }
        .rank-list .rank-item:nth-child(1) .rank-number {
            background: var(--accent);
            color: #fff;
        }
        .rank-list .rank-item:nth-child(2) .rank-number {
            background: var(--primary);
            color: #fff;
        }
        .rank-list .rank-item:nth-child(3) .rank-number {
            background: var(--success);
            color: #fff;
        }
        .rank-list .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-list .rank-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 2px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .rank-list .rank-meta {
            font-size: 12px;
            color: var(--text-muted);
        }
        .rank-list .rank-value {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            font-family: var(--font-num);
            flex-shrink: 0;
        }

        /* ===== 订阅 CTA ===== */
        .cta-card {
            background: var(--dark);
            border-radius: var(--radius-card);
            padding: 44px 36px;
            display: flex;
            align-items: center;
            gap: 32px;
            box-shadow: var(--shadow-lg);
            flex-wrap: wrap;
        }
        .cta-card .cta-content {
            flex: 1;
            min-width: 260px;
        }
        .cta-card .cta-title {
            font-size: 26px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 6px;
        }
        .cta-card .cta-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 0;
            max-width: 55ch;
        }
        .cta-card .cta-actions {
            display: flex;
            gap: 12px;
            flex-shrink: 0;
            flex-wrap: wrap;
        }

        /* ===== 相关栏目入口 ===== */
        .channel-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 26px 22px;
            display: flex;
            align-items: flex-start;
            gap: 16px;
            transition: var(--transition);
            height: 100%;
        }
        .channel-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(30, 111, 217, 0.35);
        }
        .channel-card .channel-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 20px;
            flex-shrink: 0;
        }
        .channel-card .channel-info h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }
        .channel-card .channel-info p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.65;
        }
        .channel-card .channel-info {
            flex: 1;
        }

        /* ===== 按钮 ===== */
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-btn);
            border: none;
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-primary-custom:hover {
            background: var(--primary-hover);
            color: #fff;
            box-shadow: 0 8px 20px rgba(30, 111, 217, 0.35);
            transform: translateY(-2px);
        }
        .btn-primary-custom:focus {
            outline: none;
            box-shadow: var(--focus-ring);
        }
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-btn);
            border: 1.5px solid var(--primary);
            background: transparent;
            color: var(--primary);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-outline-custom:hover {
            background: var(--primary-light);
            border-color: var(--primary-hover);
            color: var(--primary-hover);
            box-shadow: 0 8px 20px rgba(30, 111, 217, 0.15);
        }
        .btn-outline-custom:focus {
            outline: none;
            box-shadow: var(--focus-ring);
        }
        .btn-accent-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-btn);
            border: none;
            background: var(--accent);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-accent-custom:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: 0 8px 20px rgba(249, 115, 22, 0.35);
            transform: translateY(-2px);
        }
        .btn-accent-custom:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.35);
        }
        .btn-light-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-btn);
            border: none;
            background: #fff;
            color: var(--dark);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-light-custom:hover {
            background: #F0F4FA;
            box-shadow: 0 8px 20px rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }
        .btn-light-custom:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.4);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background-color: var(--dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 64px 0 32px;
            margin-top: 0;
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer .brand-icon-sm {
            width: 34px;
            height: 34px;
            border-radius: 9px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 17px;
            font-weight: 800;
        }
        .site-footer .footer-desc {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.7);
            max-width: 40ch;
        }
        .site-footer .footer-heading {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .site-footer .footer-link {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            padding: 5px 0;
            transition: var(--transition);
        }
        .site-footer .footer-link:hover {
            color: #fff;
            padding-left: 4px;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 40px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
        }
        .site-footer .copyright {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }
        .site-footer .legal-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .site-footer .legal-links a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition);
        }
        .site-footer .legal-links a:hover {
            color: #fff;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            body {
                padding-bottom: 72px;
            }
            .section {
                padding: 52px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .section-subtitle {
                font-size: 15px;
                margin-bottom: 32px;
            }
            .page-header-card {
                padding: 24px 20px;
            }
            .page-header-card h1 {
                font-size: 28px;
            }

            /* 底部 Tab 导航 */
            .bottom-tab-nav {
                display: flex;
                position: fixed;
                bottom: 0;
                left: 0;
                right: 0;
                z-index: 1040;
                background: var(--card-bg);
                border-top: 1px solid var(--border);
                box-shadow: 0 -6px 20px rgba(15, 23, 42, 0.06);
                padding: 6px 4px calc(6px + env(safe-area-inset-bottom, 0px));
                justify-content: space-around;
                align-items: center;
            }
            .bottom-tab-nav .tab-item {
                display: flex;
                flex-direction: column;
                align-items: center;
                gap: 2px;
                font-size: 11px;
                font-weight: 500;
                color: var(--text-muted);
                padding: 4px 8px;
                border-radius: 8px;
                transition: var(--transition);
                flex: 1;
                text-align: center;
            }
            .bottom-tab-nav .tab-item i {
                font-size: 20px;
                line-height: 1.2;
            }
            .bottom-tab-nav .tab-item:hover {
                color: var(--primary);
            }
            .bottom-tab-nav .tab-item.active {
                color: var(--primary);
                font-weight: 700;
                background: var(--primary-light);
            }

            .stats-band .stat-number {
                font-size: 26px;
            }
            .cta-card {
                padding: 32px 24px;
                flex-direction: column;
                text-align: left;
                gap: 20px;
            }
            .cta-card .cta-title {
                font-size: 22px;
            }
            .cta-card .cta-actions {
                width: 100%;
                justify-content: flex-start;
            }
            .event-card .event-title {
                font-size: 16px;
            }
            .event-card .event-summary {
                font-size: 13px;
            }
        }

        @media (max-width: 767.98px) {
            .section {
                padding: 44px 0;
            }
            .section-title {
                font-size: 23px;
            }
            .page-header-card h1 {
                font-size: 25px;
            }
            .page-header-card .page-desc {
                font-size: 14px;
            }
            .event-card .event-body {
                padding: 18px 16px 16px;
            }
            .filter-bar .filter-btn {
                padding: 6px 14px;
                font-size: 13px;
                gap: 4px;
            }
            .stats-band {
                padding: 20px 16px;
            }
            .stats-band .stat-number {
                font-size: 24px;
            }
            .stats-band .stat-item {
                padding: 10px 4px;
            }
            .rank-list .rank-item {
                padding: 12px 10px;
                gap: 10px;
            }
            .rank-list .rank-name {
                font-size: 14px;
            }
            .cta-card {
                padding: 28px 20px;
            }
            .cta-card .cta-title {
                font-size: 20px;
            }
            .btn-primary-custom,
            .btn-outline-custom,
            .btn-accent-custom,
            .btn-light-custom {
                padding: 10px 20px;
                font-size: 14px;
            }
            .channel-card {
                padding: 20px 16px;
                gap: 12px;
            }
            .channel-card .channel-icon {
                width: 36px;
                height: 36px;
                font-size: 17px;
                border-radius: 10px;
            }
            .breadcrumb-bar {
                padding: 14px 0;
            }
        }

        @media (max-width: 520px) {
            .section-title {
                font-size: 21px;
            }
            .page-header-card {
                padding: 18px 16px;
                border-radius: 12px;
            }
            .page-header-card h1 {
                font-size: 23px;
            }
            .filter-bar {
                gap: 6px;
            }
            .filter-bar .filter-btn {
                padding: 5px 10px;
                font-size: 12px;
            }
            .event-card {
                border-radius: 12px;
            }
            .event-card .event-thumb {
                aspect-ratio: 16 / 10;
            }
            .stats-band {
                border-radius: 12px;
                padding: 14px 10px;
            }
            .stats-band .stat-number {
                font-size: 20px;
            }
            .stats-band .stat-label {
                font-size: 11px;
            }
            .cta-card {
                border-radius: 12px;
            }
            .channel-card {
                border-radius: 12px;
            }
            .bottom-tab-nav .tab-item {
                font-size: 10px;
            }
            .bottom-tab-nav .tab-item i {
                font-size: 18px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1E6FD9;
            --primary-hover: #174EA6;
            --primary-light: rgba(30, 111, 217, 0.08);
            --primary-soft: rgba(30, 111, 217, 0.15);
            --dark: #122A4B;
            --dark-secondary: #1a3a5c;
            --bg: #F5F8FC;
            --card-bg: #FFFFFF;
            --border: #E6EEF8;
            --text: #0F172A;
            --text-secondary: #5B6B7B;
            --text-muted: #8A94A6;
            --accent: #F97316;
            --accent-hover: #E8620A;
            --success: #0FA36B;
            --success-soft: rgba(15, 163, 107, 0.1);
            --danger: #E53E3E;
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-pill: 50px;
            --shadow-card: 0 10px 30px rgba(15, 23, 42, 0.06);
            --shadow-card-hover: 0 18px 40px rgba(15, 23, 42, 0.10);
            --shadow-lg: 0 24px 60px rgba(15, 23, 42, 0.12);
            --font-cn: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-num: 'Inter', 'Roboto', system-ui, sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --focus-ring: 0 0 0 3px rgba(30, 111, 217, 0.35);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-bottom: 0;
            margin: 0;
        }

        @media (max-width: 991.98px) {
            body {
                padding-bottom: 68px;
            }
        }

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

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

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

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            margin-top: 0;
        }

        .container {
            max-width: 1200px;
        }

        .section {
            padding: 80px 0;
        }

        @media (max-width: 991.98px) {
            .section {
                padding: 56px 0;
            }
        }

        @media (max-width: 575.98px) {
            .section {
                padding: 40px 0;
            }
        }

        .section-alt {
            background-color: var(--card-bg);
        }

        .section-dim {
            background-color: var(--bg);
        }

        .section-dark {
            background-color: var(--dark);
            color: #fff;
        }

        .section-dark h2,
        .section-dark h3,
        .section-dark p {
            color: #fff;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .section-title {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        @media (max-width: 991.98px) {
            .section-title {
                font-size: 28px;
            }
        }

        @media (max-width: 575.98px) {
            .section-title {
                font-size: 24px;
            }
        }

        .section-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 70ch;
            line-height: 1.75;
            margin-bottom: 48px;
        }

        @media (max-width: 575.98px) {
            .section-subtitle {
                font-size: 15px;
                margin-bottom: 32px;
            }
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }

        .site-header .navbar {
            padding: 12px 0;
        }

        .site-header .navbar-brand {
            font-weight: 800;
            font-size: 22px;
            color: var(--primary);
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .site-header .navbar-brand .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 19px;
            font-weight: 800;
            flex-shrink: 0;
        }

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

        .site-header .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            padding: 8px 16px !important;
            border-radius: 8px;
            transition: var(--transition);
            position: relative;
        }

        .site-header .nav-link:hover,
        .site-header .nav-link:focus {
            color: var(--primary);
            background: var(--primary-light);
        }

        .site-header .nav-link.active {
            color: var(--primary);
            font-weight: 700;
            background: var(--primary-light);
        }

        .site-header .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 3px;
            border-radius: 2px;
            background: var(--primary);
        }

        .site-header .header-icon-btn {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border);
            background: var(--card-bg);
            color: var(--text-secondary);
            font-size: 18px;
            transition: var(--transition);
            padding: 0;
            cursor: pointer;
        }

        .site-header .header-icon-btn:hover {
            color: var(--primary);
            border-color: var(--primary-soft);
            background: var(--primary-light);
        }

        /* 移动端底部Tab */
        .mobile-tabbar {
            display: none;
        }

        @media (max-width: 991.98px) {
            .mobile-tabbar {
                display: flex;
                position: fixed;
                bottom: 0;
                left: 0;
                right: 0;
                z-index: 1060;
                background: #fff;
                border-top: 1px solid var(--border);
                box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.06);
                padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
                justify-content: space-around;
                align-items: flex-end;
                gap: 2px;
            }

            .mobile-tab-item {
                display: flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 2px;
                font-size: 11px;
                font-weight: 500;
                color: var(--text-secondary);
                padding: 4px 8px;
                border-radius: 8px;
                transition: var(--transition);
                min-width: 56px;
                text-decoration: none;
            }

            .mobile-tab-item i {
                font-size: 20px;
                line-height: 1.2;
                transition: var(--transition);
            }

            .mobile-tab-item:hover {
                color: var(--primary);
                background: var(--primary-light);
            }

            .mobile-tab-item.active {
                color: var(--primary);
                font-weight: 700;
            }

            .mobile-tab-item.active i {
                transform: translateY(-1px);
            }
        }

        /* 面包屑 */
        .breadcrumb-bar {
            background: var(--card-bg);
            border-bottom: 1px solid var(--border);
            padding: 16px 0;
            font-size: 14px;
        }

        .breadcrumb-bar .breadcrumb {
            margin: 0;
            padding: 0;
            background: transparent;
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
        }

        .breadcrumb-bar .breadcrumb-item {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb-bar .breadcrumb-item a {
            color: var(--text-secondary);
            transition: var(--transition);
        }

        .breadcrumb-bar .breadcrumb-item a:hover {
            color: var(--primary);
        }

        .breadcrumb-bar .breadcrumb-item.active {
            color: var(--primary);
            font-weight: 600;
        }

        .breadcrumb-bar .breadcrumb-sep {
            color: var(--text-muted);
            font-size: 12px;
        }

        /* 分类页头部 */
        .category-header {
            padding: 48px 0 36px;
            background: var(--card-bg);
            border-bottom: 1px solid var(--border);
        }

        .category-header h1 {
            font-size: 38px;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 12px;
            color: var(--text);
        }

        @media (max-width: 991.98px) {
            .category-header h1 {
                font-size: 30px;
            }
        }

        @media (max-width: 575.98px) {
            .category-header h1 {
                font-size: 26px;
            }
        }

        .category-header .category-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 75ch;
            line-height: 1.8;
        }

        /* 关键指标数字 */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        @media (max-width: 991.98px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }

        @media (max-width: 575.98px) {
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
        }

        .metric-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            box-shadow: var(--shadow-card);
            text-align: center;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary);
            opacity: 0;
            transition: var(--transition);
        }

        .metric-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--primary-soft);
            transform: translateY(-3px);
        }

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

        .metric-value {
            font-family: var(--font-num);
            font-size: 38px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -1px;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        @media (max-width: 575.98px) {
            .metric-value {
                font-size: 28px;
            }
        }

        .metric-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .metric-card.accent .metric-value {
            color: var(--accent);
        }

        .metric-card.success .metric-value {
            color: var(--success);
        }

        .metric-card.dark .metric-value {
            color: var(--dark);
        }

        /* 排行榜列表 */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .ranking-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .ranking-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--primary-soft);
            transform: translateY(-2px);
        }

        .ranking-position {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-num);
            font-weight: 800;
            font-size: 18px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .ranking-position.top1 {
            background: rgba(249, 115, 22, 0.12);
            color: var(--accent);
        }

        .ranking-position.top2 {
            background: rgba(30, 111, 217, 0.12);
            color: var(--primary);
        }

        .ranking-position.top3 {
            background: rgba(15, 163, 107, 0.12);
            color: var(--success);
        }

        .ranking-info {
            flex: 1;
            min-width: 0;
        }

        .ranking-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .ranking-meta {
            font-size: 13px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .ranking-meta .badge-indicator {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 20px;
        }

        .ranking-meta .up {
            color: var(--success);
            background: var(--success-soft);
        }

        .ranking-meta .down {
            color: var(--danger);
            background: rgba(229, 62, 62, 0.08);
        }

        .ranking-value {
            font-family: var(--font-num);
            font-size: 20px;
            font-weight: 800;
            color: var(--text);
            text-align: right;
            flex-shrink: 0;
        }

        @media (max-width: 575.98px) {
            .ranking-item {
                padding: 14px 12px;
                gap: 10px;
            }

            .ranking-position {
                width: 36px;
                height: 36px;
                font-size: 15px;
                border-radius: 9px;
            }

            .ranking-value {
                font-size: 16px;
            }

            .ranking-name {
                font-size: 13px;
            }

            .ranking-meta {
                font-size: 11px;
                gap: 6px;
            }
        }

        /* 趋势解读 */
        .trend-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        @media (max-width: 991.98px) {
            .trend-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        .trend-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .trend-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--primary-soft);
            transform: translateY(-3px);
        }

        .trend-card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--primary-light);
        }

        .trend-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .trend-card-body {
            padding: 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .trend-date {
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 500;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .trend-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .trend-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
            flex: 1;
        }

        .trend-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition);
        }

        .trend-link:hover {
            color: var(--primary-hover);
            gap: 8px;
        }

        /* 对比工具入口 */
        .compare-tool-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .compare-tool-card:hover {
            box-shadow: var(--shadow-card-hover);
        }

        .compare-tool-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--primary-light);
        }

        .compare-tool-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .compare-tool-body {
            padding: 28px 30px;
        }

        @media (max-width: 575.98px) {
            .compare-tool-body {
                padding: 20px 18px;
            }
        }

        .compare-tool-body h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .compare-tool-body p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 16px;
            line-height: 1.7;
        }

        .compare-tool-list {
            list-style: none;
            padding: 0;
            margin: 0 0 20px 0;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 8px 16px;
        }

        @media (max-width: 575.98px) {
            .compare-tool-list {
                grid-template-columns: 1fr;
            }
        }

        .compare-tool-list li {
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .compare-tool-list li i {
            color: var(--primary);
            font-size: 16px;
        }

        /* 订阅CTA */
        .subscribe-cta {
            background: var(--dark);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            color: #fff;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }

        .subscribe-cta::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(30, 111, 217, 0.15);
            pointer-events: none;
        }

        @media (max-width: 575.98px) {
            .subscribe-cta {
                padding: 32px 20px;
            }
        }

        .subscribe-cta h2 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .subscribe-cta p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 24px;
            max-width: 60ch;
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }

        .subscribe-cta .form-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .subscribe-cta .form-input {
            flex: 1;
            min-width: 220px;
            padding: 12px 16px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 15px;
            transition: var(--transition);
        }

        .subscribe-cta .form-input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .subscribe-cta .form-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 111, 217, 0.4);
            background: rgba(255, 255, 255, 0.1);
        }

        .btn-primary-accent {
            background: var(--accent);
            border: none;
            color: #fff;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            cursor: pointer;
            white-space: nowrap;
            font-size: 15px;
        }

        .btn-primary-accent:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: 0 8px 20px rgba(249, 115, 22, 0.3);
            transform: translateY(-1px);
        }

        .btn-primary-accent:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.4);
        }

        /* 相关栏目入口 */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        @media (max-width: 991.98px) {
            .related-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }

        .related-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 22px 20px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            text-decoration: none;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .related-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--primary-soft);
            transform: translateY(-2px);
            color: var(--text);
        }

        .related-card-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .related-card-info h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 2px;
            color: var(--text);
        }

        .related-card-info p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0;
        }

        /* 通用按钮 */
        .btn-primary {
            background: var(--primary);
            border: none;
            color: #fff;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            box-shadow: 0 8px 20px rgba(30, 111, 217, 0.3);
            transform: translateY(-1px);
        }

        .btn-primary:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
        }

        .btn-outline-primary {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
            font-weight: 600;
            padding: 11px 24px;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
        }

        .btn-outline-primary:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
            transform: translateY(-1px);
        }

        .btn-outline-primary:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
        }

        /* 页脚 */
        .site-footer {
            background: var(--dark);
            color: #fff;
            padding: 60px 0 24px;
            font-size: 14px;
        }

        @media (max-width: 575.98px) {
            .site-footer {
                padding: 40px 0 20px;
            }
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .site-footer .footer-brand .brand-icon-sm {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 800;
            color: #fff;
        }

        .site-footer .footer-desc {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 16px;
            max-width: 45ch;
        }

        .site-footer .footer-heading {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .site-footer .footer-link {
            display: block;
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            padding: 4px 0;
            transition: var(--transition);
            text-decoration: none;
        }

        .site-footer .footer-link:hover {
            color: #fff;
            padding-left: 4px;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 40px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        @media (max-width: 575.98px) {
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        .site-footer .footer-bottom .legal-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.65);
            text-decoration: none;
            transition: var(--transition);
        }

        .site-footer .footer-bottom a:hover {
            color: #fff;
        }

        /* 筛选标签条 */
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
        }

        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border);
            background: var(--card-bg);
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            user-select: none;
        }

        .filter-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }

        .filter-tag.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 600;
        }

        /* 数据标签徽章 */
        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            line-height: 1.4;
        }

        .data-badge.success {
            background: var(--success-soft);
            color: var(--success);
        }

        .data-badge.accent {
            background: rgba(249, 115, 22, 0.1);
            color: var(--accent);
        }

        .data-badge.primary {
            background: var(--primary-light);
            color: var(--primary);
        }

        /* 无障碍焦点 */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
        }

/* roulang page: category4 */
:root {
            --primary: #1E6FD9;
            --primary-hover: #174EA6;
            --primary-light: rgba(30, 111, 217, 0.08);
            --primary-soft: rgba(30, 111, 217, 0.15);
            --dark: #122A4B;
            --dark-secondary: #1a3a5c;
            --bg: #F5F8FC;
            --card-bg: #FFFFFF;
            --border: #E6EEF8;
            --text: #0F172A;
            --text-secondary: #5B6B7B;
            --text-muted: #8A94A6;
            --accent: #F97316;
            --accent-hover: #E8620A;
            --success: #0FA36B;
            --success-soft: rgba(15, 163, 107, 0.1);
            --danger: #E53E3E;
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-pill: 50px;
            --shadow-card: 0 10px 30px rgba(15, 23, 42, 0.06);
            --shadow-card-hover: 0 18px 40px rgba(15, 23, 42, 0.10);
            --shadow-lg: 0 24px 60px rgba(15, 23, 42, 0.12);
            --font-cn: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-num: 'Inter', 'Roboto', system-ui, sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --focus-ring: 0 0 0 3px rgba(30, 111, 217, 0.35);
        }

        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-bottom: 0;
        }

        @media (max-width: 991.98px) {
            body {
                padding-bottom: 68px;
            }
        }

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

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

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

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

        .container {
            max-width: 1200px;
        }

        .section {
            padding: 88px 0;
        }

        @media (max-width: 991.98px) {
            .section {
                padding: 64px 0;
            }
        }

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

        .section-alt {
            background-color: var(--card-bg);
        }

        .section-dim {
            background-color: var(--bg);
        }

        .section-dark {
            background-color: var(--dark);
            color: #fff;
        }

        .section-dark h2,
        .section-dark h3,
        .section-dark p {
            color: #fff;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
            color: var(--text);
        }

        @media (max-width: 991.98px) {
            .section-title {
                font-size: 28px;
            }
        }

        @media (max-width: 575.98px) {
            .section-title {
                font-size: 24px;
            }
        }

        .section-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 70ch;
            line-height: 1.75;
            margin-bottom: 48px;
        }

        @media (max-width: 991.98px) {
            .section-subtitle {
                font-size: 15px;
                margin-bottom: 36px;
            }
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }

        .site-header .navbar {
            padding: 12px 0;
        }

        .site-header .navbar-brand {
            font-weight: 800;
            font-size: 22px;
            color: var(--primary);
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .site-header .navbar-brand .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 19px;
            font-weight: 800;
        }

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

        .site-header .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            padding: 8px 16px !important;
            border-radius: 8px;
            transition: var(--transition);
            position: relative;
        }

        .site-header .nav-link:hover,
        .site-header .nav-link:focus {
            color: var(--primary);
            background: var(--primary-light);
        }

        .site-header .nav-link.active {
            color: var(--primary);
            font-weight: 700;
            background: var(--primary-light);
        }

        .site-header .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 3px;
            border-radius: 2px;
            background: var(--primary);
        }

        .site-header .header-icon-btn {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: var(--card-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            transition: var(--transition);
        }

        .site-header .header-icon-btn:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: var(--primary-light);
        }

        .site-header .navbar-toggler {
            padding: 6px 8px;
            border-radius: 8px;
            color: var(--text);
        }

        .site-header .navbar-toggler:focus {
            box-shadow: var(--focus-ring);
        }

        /* 面包屑 */
        .breadcrumb-wrap {
            padding: 28px 0 0;
        }

        .breadcrumb {
            margin-bottom: 0;
            font-size: 14px;
            background: transparent;
        }

        .breadcrumb-item a {
            color: var(--text-muted);
            transition: var(--transition);
        }

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

        .breadcrumb-item.active {
            color: var(--primary);
            font-weight: 600;
        }

        .breadcrumb-item + .breadcrumb-item::before {
            content: '/';
            color: var(--text-muted);
            padding: 0 8px;
        }

        /* 卡片 */
        .card-common {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .card-common:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(30, 111, 217, 0.35);
        }

        .card-img-cover {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-card);
        }

        .news-card-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-card);
            aspect-ratio: 16/10;
        }

        .lazy-img {
            background: linear-gradient(135deg, #e9f0fa 0%, #dbe6f5 100%);
        }

        /* 按钮 */
        .btn-custom-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--primary);
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-custom-primary:hover,
        .btn-custom-primary:focus {
            background: var(--primary-hover);
            border-color: var(--primary-hover);
            color: #fff;
            box-shadow: 0 8px 20px rgba(30, 111, 217, 0.28);
            transform: translateY(-1px);
        }

        .btn-custom-primary:focus-visible {
            box-shadow: var(--focus-ring);
            outline: none;
        }

        .btn-custom-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--primary);
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-custom-outline:hover,
        .btn-custom-outline:focus {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary-hover);
            box-shadow: 0 8px 20px rgba(30, 111, 217, 0.14);
        }

        .btn-custom-outline:focus-visible {
            box-shadow: var(--focus-ring);
            outline: none;
        }

        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            background: transparent;
            border: none;
            padding: 4px 0;
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-read-more:hover {
            color: var(--primary-hover);
            gap: 10px;
        }

        /* 标签 */
        .tag-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            background: var(--primary-light);
            color: var(--primary);
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .tag-badge:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 14px rgba(30, 111, 217, 0.22);
        }

        .tag-badge.tag-accent {
            background: rgba(249, 115, 22, 0.1);
            color: var(--accent);
        }

        .tag-badge.tag-accent:hover {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 6px 14px rgba(249, 115, 22, 0.22);
        }

        .tag-badge.tag-success {
            background: var(--success-soft);
            color: var(--success);
        }

        .tag-badge.tag-success:hover {
            background: var(--success);
            color: #fff;
        }

        /* 焦点文章卡 */
        .featured-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition);
        }

        .featured-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .featured-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-card) 0 0 var(--radius-card);
            aspect-ratio: 16/11;
        }

        @media (max-width: 991.98px) {
            .featured-img {
                border-radius: var(--radius-card) var(--radius-card) 0 0;
            }
        }

        .featured-content {
            padding: 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        @media (max-width: 575.98px) {
            .featured-content {
                padding: 22px;
            }
        }

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

        .featured-title {
            font-size: 26px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 14px;
            line-height: 1.4;
            letter-spacing: -0.2px;
        }

        @media (max-width: 575.98px) {
            .featured-title {
                font-size: 22px;
            }
        }

        .featured-excerpt {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        /* 新闻列表 */
        .news-list-item {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            padding: 20px 24px;
            display: flex;
            gap: 20px;
            align-items: flex-start;
            transition: var(--transition);
            margin-bottom: 16px;
        }

        .news-list-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: rgba(30, 111, 217, 0.35);
        }

        @media (max-width: 575.98px) {
            .news-list-item {
                flex-direction: column;
                padding: 16px;
                gap: 14px;
            }
        }

        .news-list-img {
            width: 180px;
            height: 120px;
            object-fit: cover;
            border-radius: 10px;
            flex-shrink: 0;
        }

        @media (max-width: 575.98px) {
            .news-list-img {
                width: 100%;
                height: 180px;
            }
        }

        .news-list-body {
            flex: 1;
            min-width: 0;
        }

        .news-list-date {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .news-list-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.5;
            transition: var(--transition);
            cursor: pointer;
        }

        .news-list-title:hover {
            color: var(--primary);
        }

        .news-list-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 8px;
        }

        /* 热点排行 */
        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 18px;
            background: var(--card-bg);
            border-radius: 12px;
            border: 1px solid var(--border);
            transition: var(--transition);
            margin-bottom: 10px;
            box-shadow: 0 4px 12px rgba(15, 23, 42, 0.03);
        }

        .rank-item:hover {
            border-color: rgba(30, 111, 217, 0.35);
            background: var(--primary-light);
            transform: translateX(4px);
        }

        .rank-number {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 700;
            font-size: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-family: var(--font-num);
        }

        .rank-number.rank-1 {
            background: var(--accent);
            color: #fff;
        }

        .rank-number.rank-2 {
            background: var(--primary-soft);
            color: var(--primary);
        }

        .rank-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            cursor: pointer;
            transition: var(--transition);
        }

        .rank-title:hover {
            color: var(--primary);
        }

        .rank-views {
            font-size: 12px;
            color: var(--text-muted);
            margin-left: auto;
            flex-shrink: 0;
            font-family: var(--font-num);
        }

        /* 表单 */
        .form-control-custom {
            width: 100%;
            background: #fff;
            border: 1px solid #CBD5E1;
            border-radius: var(--radius-btn);
            padding: 12px 18px;
            font-size: 15px;
            color: var(--text);
            transition: var(--transition);
            outline: none;
        }

        .form-control-custom:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 111, 217, 0.15);
        }

        .form-control-custom::placeholder {
            color: var(--text-muted);
            font-size: 14px;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 520px;
            margin: 0 auto;
        }

        @media (max-width: 575.98px) {
            .subscribe-form {
                flex-direction: column;
                gap: 10px;
            }
        }

        /* 相关栏目入口卡片 */
        .channel-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            padding: 28px;
            text-align: left;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }

        .channel-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--primary);
            opacity: 0;
            transition: var(--transition);
        }

        .channel-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(30, 111, 217, 0.35);
        }

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

        .channel-card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 16px;
            transition: var(--transition);
        }

        .channel-card:hover .channel-card-icon {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }

        .channel-card-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .channel-card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .channel-card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .channel-card-link:hover {
            color: var(--primary-hover);
            gap: 10px;
        }

        /* 页脚 */
        .site-footer {
            background-color: var(--dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 64px 0 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .site-footer .footer-brand {
            font-weight: 800;
            font-size: 20px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .site-footer .brand-icon-sm {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 800;
        }

        .site-footer .footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 360px;
        }

        .site-footer .footer-heading {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .site-footer .footer-link {
            display: block;
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            padding: 6px 0;
            transition: var(--transition);
        }

        .site-footer .footer-link:hover {
            color: #fff;
            padding-left: 6px;
        }

        .site-footer .footer-bottom {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }

        .site-footer .copyright {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }

        .site-footer .legal-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 13px;
        }

        .site-footer .legal-links a {
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }

        .site-footer .legal-links a:hover {
            color: #fff;
        }

        /* 移动端底部 Tab 导航 */
        .mobile-bottom-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-top: 1px solid var(--border);
            box-shadow: 0 -6px 20px rgba(15, 23, 42, 0.06);
            padding: 6px 8px calc(6px + env(safe-area-inset-bottom));
            display: flex;
            justify-content: space-around;
            align-items: center;
            gap: 4px;
        }

        @media (max-width: 991.98px) {
            .mobile-bottom-nav {
                display: flex;
            }
        }

        .mobile-bottom-nav .bottom-nav-item {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            font-size: 11px;
            font-weight: 500;
            color: var(--text-muted);
            padding: 6px 4px;
            border-radius: 10px;
            transition: var(--transition);
            background: transparent;
            border: none;
            cursor: pointer;
            text-decoration: none;
        }

        .mobile-bottom-nav .bottom-nav-item i {
            font-size: 20px;
            line-height: 1;
            transition: var(--transition);
        }

        .mobile-bottom-nav .bottom-nav-item:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .mobile-bottom-nav .bottom-nav-item.active {
            color: var(--primary);
            font-weight: 600;
        }

        .mobile-bottom-nav .bottom-nav-item.active i {
            transform: translateY(-2px);
            color: var(--primary);
        }

        /* 焦点区域 */
        .page-header-section {
            padding: 40px 0 20px;
            background: linear-gradient(180deg, #fff 0%, var(--bg) 100%);
        }

        .page-title {
            font-size: 38px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.5px;
            margin-bottom: 12px;
        }

        @media (max-width: 991.98px) {
            .page-title {
                font-size: 30px;
            }
        }

        @media (max-width: 575.98px) {
            .page-title {
                font-size: 26px;
            }
        }

        .page-intro {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
        }

        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 24px;
        }

        .filter-btn {
            display: inline-block;
            padding: 8px 20px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            background: var(--card-bg);
            border: 1px solid var(--border);
            transition: var(--transition);
            cursor: pointer;
        }

        .filter-btn:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: var(--primary-light);
        }

        .filter-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .divider {
            height: 1px;
            background: var(--border);
            margin: 40px 0;
        }

/* 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}