/* roulang page: index */
:root {
            --primary: #1A6DD4;
            --primary-dark: #0F4FA0;
            --secondary: #0EA5E9;
            --bg-primary: #FFFFFF;
            --bg-secondary: #F5F7FA;
            --bg-accent: #EBF2FC;
            --text-primary: #1F2937;
            --text-secondary: #6B7280;
            --text-muted: #9CA3AF;
            --accent: #F59E0B;
            --success: #10B981;
            --danger: #EF4444;
            --border: #E2E8F0;
            --shadow-sm: 0 2px 8px rgba(15, 79, 160, 0.06);
            --shadow-md: 0 8px 24px rgba(15, 79, 160, 0.10);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 20px;
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Inter", "SF Pro", sans-serif;
            --section-padding: 80px;
            --section-padding-mobile: 48px;
            --container-max: 1140px;
            --nav-height: 68px;
            --transition: 0.24s ease;
        }

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

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            overflow-x: hidden;
        }

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

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

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

        button,
        input {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
            margin: 0 auto;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 0 rgba(15, 79, 160, 0.04);
            min-height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .site-header .navbar {
            padding: 0;
            min-height: var(--nav-height);
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--primary-dark);
            letter-spacing: 0.5px;
            padding: 0;
        }

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

        .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .navbar-nav {
            gap: 6px;
        }

        .navbar-nav .nav-link {
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 500;
            padding: 10px 14px;
            border-radius: var(--radius-badge);
            position: relative;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .navbar-nav .nav-link:hover {
            color: var(--primary-dark);
            background: var(--bg-accent);
        }

        .navbar-nav .nav-link.active {
            color: var(--primary);
            background: var(--bg-accent);
            font-weight: 600;
        }

        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .nav-cta {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 9px 18px;
            font-size: 14px;
            font-weight: 600;
            height: 40px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }

        .navbar-toggler {
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            padding: 8px 12px;
            font-size: 20px;
            color: var(--text-primary);
            box-shadow: none;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(26, 109, 212, 0.12);
            border-color: var(--primary);
        }

        .navbar-collapse {
            gap: 12px;
        }

        /* ========== 通用 section ========== */
        .section {
            padding: var(--section-padding) 0;
        }

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

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

        .section-title {
            font-size: clamp(26px, 3vw, 32px);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.7;
            margin-bottom: 0;
        }

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

        .section-head .section-title {
            margin-bottom: 8px;
        }

        .text-primary-color {
            color: var(--primary) !important;
        }

        .text-accent-color {
            color: var(--accent) !important;
        }

        /* ========== Hero ========== */
        .hero-section {
            padding: 72px 0 64px;
            background: var(--bg-primary);
            position: relative;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 380px;
            height: 380px;
            background: var(--bg-accent);
            border-radius: 50%;
            opacity: 0.5;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -140px;
            left: -100px;
            width: 400px;
            height: 400px;
            background: var(--bg-accent);
            border-radius: 50%;
            opacity: 0.35;
            pointer-events: none;
        }

        .hero-title {
            font-size: clamp(32px, 4vw, 40px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 18px;
            position: relative;
            z-index: 2;
        }

        .hero-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 560px;
            margin-bottom: 26px;
            position: relative;
            z-index: 2;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 18px;
            position: relative;
            z-index: 2;
        }

        .btn {
            border-radius: var(--radius-btn);
            height: 44px;
            padding: 0 22px;
            font-size: 15px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: all var(--transition);
            border: none;
            white-space: nowrap;
        }

        .btn:focus {
            box-shadow: 0 0 0 3px rgba(26, 109, 212, 0.15);
        }

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

        .btn-primary-custom:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .btn-primary-custom:active {
            transform: translateY(1px);
            box-shadow: var(--shadow-sm);
        }

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

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

        .btn-outline-custom:active {
            transform: translateY(1px);
        }

        .hero-trust {
            font-size: 14px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            position: relative;
            z-index: 2;
        }

        .hero-trust i {
            color: var(--success);
            font-size: 14px;
        }

        /* Hero 右侧比分卡片 */
        .hero-score-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-md);
            padding: 20px 18px;
            position: relative;
            z-index: 2;
            max-width: 440px;
            margin-left: auto;
        }

        .score-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border);
        }

        .score-card-header .live-pulse {
            width: 9px;
            height: 9px;
            background: var(--accent);
            border-radius: 50%;
            display: inline-block;
            animation: pulse 1.6s infinite;
            margin-right: 6px;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.5); }
        }

        .score-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 0;
            border-bottom: 1px solid var(--bg-secondary);
        }

        .score-item:last-child {
            border-bottom: none;
            padding-bottom: 4px;
        }

        .score-game-icon {
            width: 34px;
            height: 34px;
            background: var(--bg-accent);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            flex-shrink: 0;
        }

        .score-teams {
            flex: 1;
            min-width: 0;
        }

        .score-teams .team-name {
            font-size: 14px;
            color: var(--text-primary);
            font-weight: 500;
            line-height: 1.4;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .score-teams .team-name:first-child {
            margin-bottom: 4px;
        }

        .score-value {
            font-family: var(--font-num);
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            text-align: right;
            min-width: 48px;
        }

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

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

        .score-status {
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: var(--radius-badge);
            background: var(--bg-accent);
            color: var(--primary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .score-status.live {
            background: rgba(245, 158, 11, 0.14);
            color: #D97706;
        }

        .score-status.finished {
            background: rgba(16, 185, 129, 0.12);
            color: #047857;
        }

        .score-status.upcoming {
            background: var(--bg-secondary);
            color: var(--text-secondary);
        }

        /* ========== 卡片通用 ========== */
        .card {
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            overflow: hidden;
            background: #fff;
        }

        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(26, 109, 212, 0.3);
        }

        .card-body {
            padding: 20px;
        }

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

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

        .card-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--bg-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 14px;
        }

        /* ========== 痛点区 ========== */
        .pain-card {
            padding: 28px 24px;
            text-align: left;
            background: #fff;
        }

        .pain-card .card-icon {
            background: rgba(239, 68, 68, 0.08);
            color: var(--danger);
        }

        .pain-card .card-title {
            font-size: 17px;
            margin-bottom: 10px;
        }

        /* ========== 解决方案区 ========== */
        .solution-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .solution-item {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 18px 16px;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            transition: all var(--transition);
        }

        .solution-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: rgba(26, 109, 212, 0.3);
        }

        .solution-item .icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--bg-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            flex-shrink: 0;
            font-size: 16px;
        }

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

        .solution-item .content p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ========== 步骤区 ========== */
        .step-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 30px 24px;
            text-align: left;
            position: relative;
            transition: all var(--transition);
        }

        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .step-number {
            font-size: 48px;
            font-weight: 800;
            color: var(--bg-accent);
            line-height: 1;
            margin-bottom: 12px;
            font-family: var(--font-num);
            letter-spacing: -1px;
        }

        .step-card h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

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

        /* ========== 数据指标区 ========== */
        .metric-item {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 24px 18px;
            text-align: center;
            transition: all var(--transition);
        }

        .metric-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .metric-number {
            font-size: clamp(28px, 3vw, 36px);
            font-weight: 800;
            line-height: 1.1;
            color: var(--primary);
            font-family: var(--font-num);
        }

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

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

        .metric-number.danger {
            color: var(--danger);
        }

        .metric-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 8px;
            font-weight: 500;
        }

        /* ========== 证言区 ========== */
        .testimonial-card {
            background: var(--bg-accent);
            border: 1px solid rgba(26, 109, 212, 0.12);
            border-radius: var(--radius-card);
            padding: 26px 22px;
            transition: all var(--transition);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
        }

        .testimonial-stars {
            color: var(--accent);
            font-size: 14px;
            letter-spacing: 2px;
            margin-bottom: 12px;
        }

        .testimonial-text {
            font-size: 15px;
            color: var(--text-primary);
            line-height: 1.7;
            margin-bottom: 14px;
            font-weight: 500;
        }

        .testimonial-author {
            font-size: 13px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .testimonial-author .avatar-dot {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 600;
        }

        /* ========== 适用人群区 ========== */
        .audience-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 22px 18px;
            text-align: center;
            transition: all var(--transition);
        }

        .audience-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .audience-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--bg-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            margin: 0 auto 12px;
        }

        .audience-card h5 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

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

        /* ========== 资讯卡片 ========== */
        .news-card .cover {
            aspect-ratio: 4/3;
            background: var(--bg-secondary);
            overflow: hidden;
        }

        .news-card .cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .news-card:hover .cover img {
            transform: scale(1.05);
        }

        .news-card .card-body {
            padding: 16px 18px 18px;
        }

        .news-date {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 6px;
            display: block;
        }

        .news-card .card-title {
            font-size: 16px;
            line-height: 1.5;
            margin-bottom: 8px;
        }

        .news-card .card-text {
            font-size: 13px;
            line-height: 1.6;
        }

        .news-tag {
            font-size: 11px;
            font-weight: 600;
            color: var(--primary);
            background: var(--bg-accent);
            padding: 3px 10px;
            border-radius: var(--radius-badge);
            display: inline-block;
            margin-bottom: 8px;
        }

        /* ========== 热门赛事卡片 ========== */
        .match-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 22px 20px;
            text-align: center;
            transition: all var(--transition);
        }

        .match-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .match-game-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--bg-accent);
            padding: 4px 14px;
            border-radius: var(--radius-badge);
            margin-bottom: 14px;
        }

        .match-teams {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            margin-bottom: 12px;
        }

        .match-team {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .match-score {
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
            font-family: var(--font-num);
        }

        .match-score.accent {
            color: var(--accent);
        }

        .match-info {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 10px;
        }

        .match-status {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: var(--radius-badge);
            margin-top: 8px;
        }

        .match-status.live {
            background: rgba(245, 158, 11, 0.14);
            color: #D97706;
        }

        .match-status.finished {
            background: rgba(16, 185, 129, 0.12);
            color: #047857;
        }

        .match-status.upcoming {
            background: var(--bg-secondary);
            color: var(--text-secondary);
        }

        /* ========== 游戏分类入口 ========== */
        .game-category-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 22px 16px;
            text-align: center;
            cursor: pointer;
            transition: all var(--transition);
            display: block;
            color: var(--text-primary);
        }

        .game-category-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            color: var(--primary);
            border-color: rgba(26, 109, 212, 0.3);
        }

        .game-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--bg-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            margin: 0 auto 10px;
        }

        .game-category-card h5 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 4px;
        }

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

        /* ========== 技巧提示卡 ========== */
        .tip-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 18px 16px;
            transition: all var(--transition);
        }

        .tip-card:hover {
            box-shadow: var(--shadow-sm);
        }

        .tip-card .tip-icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: var(--bg-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 15px;
            margin-bottom: 10px;
        }

        .tip-card h5 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

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

        /* ========== 实时比分预览 ========== */
        .live-preview {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }

        .live-preview-row {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 18px;
            border-bottom: 1px solid var(--bg-secondary);
            transition: background var(--transition);
        }

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

        .live-preview-row:hover {
            background: var(--bg-secondary);
        }

        .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
            animation: pulse 1.6s infinite;
        }

        .live-dot.finished {
            background: var(--success);
            animation: none;
        }

        .live-preview-row .team {
            flex: 1;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .live-preview-row .score {
            font-size: 18px;
            font-weight: 800;
            font-family: var(--font-num);
            color: var(--primary);
        }

        .live-preview-row .score.accent {
            color: var(--accent);
        }

        .live-preview-row .map-info {
            font-size: 12px;
            color: var(--text-muted);
            white-space: nowrap;
            flex-shrink: 0;
        }

        /* ========== 品牌介绍区 ========== */
        .brand-about {
            background: var(--bg-secondary);
            border-radius: var(--radius-card);
            padding: 40px 32px;
            position: relative;
            overflow: hidden;
        }

        .brand-about::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--primary);
        }

        .brand-about .brand-text {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-primary);
        }

        .brand-about .brand-text p {
            margin-bottom: 16px;
        }

        .brand-about .brand-text p:last-child {
            margin-bottom: 0;
        }

        /* ========== CTA 转化区 ========== */
        .cta-section {
            padding: 64px 0;
        }

        .cta-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-md);
            padding: 40px 32px;
        }

        .cta-title {
            font-size: clamp(24px, 2.5vw, 28px);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .cta-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            max-width: 480px;
        }

        .subscribe-form input {
            flex: 1;
            height: 44px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            padding: 0 16px;
            font-size: 14px;
            background: var(--bg-secondary);
            transition: all var(--transition);
        }

        .subscribe-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 109, 212, 0.1);
            background: #fff;
        }

        .subscribe-form button {
            height: 44px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 0 22px;
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .subscribe-form button:hover {
            background: var(--primary-dark);
            box-shadow: var(--shadow-sm);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            padding: 48px 0 0;
        }

        .footer-main {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            padding-bottom: 36px;
        }

        .footer-brand .brand {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
            max-width: 300px;
        }

        .footer-col h5 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

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

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

        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color var(--transition);
        }

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

        .footer-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-tag {
            font-size: 12px;
            color: var(--text-secondary);
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-badge);
            padding: 4px 12px;
            transition: all var(--transition);
        }

        .footer-tag:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: var(--bg-accent);
        }

        .footer-contact {
            font-size: 14px;
            color: var(--text-secondary);
        }

        .footer-contact p {
            margin-bottom: 8px;
        }

        .footer-contact i {
            color: var(--primary);
            margin-right: 8px;
            width: 16px;
        }

        .footer-bottom {
            background: var(--primary-dark);
            padding: 16px 0;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.72);
            margin-bottom: 0;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1200px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        @media (max-width: 992px) {
            :root {
                --section-padding: 64px;
            }

            .hero-section {
                min-height: auto;
                padding: 48px 0;
            }

            .hero-score-card {
                margin-left: 0;
                max-width: 100%;
                margin-top: 28px;
            }

            .solution-grid {
                grid-template-columns: 1fr;
            }

            .footer-main {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .navbar-nav {
                gap: 2px;
                padding: 12px 0;
            }

            .navbar-nav .nav-link {
                padding: 12px 16px;
                font-size: 16px;
            }

            .nav-cta {
                margin: 12px 0;
                width: 100%;
                justify-content: center;
            }

            .navbar-collapse {
                padding-bottom: 16px;
            }

            .subscribe-form {
                flex-direction: column;
                max-width: 100%;
            }

            .subscribe-form button {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-padding: 48px;
            }

            .hero-section {
                padding: 36px 0;
            }

            .step-card {
                padding: 22px 18px;
            }

            .brand-about {
                padding: 28px 20px;
            }

            .cta-card {
                padding: 28px 20px;
            }

            .match-teams {
                gap: 12px;
            }

            .match-team {
                font-size: 14px;
            }

            .match-score {
                font-size: 20px;
            }
        }

        @media (max-width: 576px) {
            .hero-title {
                font-size: 28px;
            }

            .hero-subtitle {
                font-size: 15px;
            }

            .hero-actions {
                flex-direction: column;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .footer-main {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .metric-number {
                font-size: 24px;
            }

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

            .score-item {
                flex-wrap: wrap;
            }

            .score-value {
                min-width: 40px;
                font-size: 18px;
            }

            .score-status {
                font-size: 10px;
                padding: 2px 8px;
            }

            .live-preview-row {
                flex-wrap: wrap;
                gap: 8px;
                padding: 12px 14px;
            }

            .live-preview-row .team {
                flex: 1 1 45%;
            }

            .live-preview-row .map-info {
                width: 100%;
                text-align: right;
            }
        }

        @media (max-width: 400px) {
            .hero-title {
                font-size: 24px;
            }

            .metric-item {
                padding: 16px 12px;
            }

            .metric-number {
                font-size: 22px;
            }
        }

/* roulang page: category2 */
:root {
  --primary: #1A6DD4;
  --primary-dark: #0F4FA0;
  --secondary: #0EA5E9;
  --bg-primary: #FFFFFF;
  --bg-secondary: #F5F7FA;
  --bg-accent: #EBF2FC;
  --text-primary: #1F2937;
  --text-secondary: #6B7280;
  --text-muted: #9CA3AF;
  --accent: #F59E0B;
  --success: #10B981;
  --danger: #EF4444;
  --border: #E2E8F0;
  --shadow-sm: 0 2px 8px rgba(15, 79, 160, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 79, 160, 0.10);
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-badge: 20px;
  --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-num: "Inter", "SF Pro", sans-serif;
  --section-padding: 64px;
  --section-padding-mobile: 48px;
  --container-max: 1140px;
  --nav-height: 68px;
  --transition: 0.24s ease;
}
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body {
  font-family: var(--font-family);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
}
a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}
a:hover {
  color: var(--primary);
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
button, input {
  font-family: inherit;
  outline: none;
}
.container {
  max-width: var(--container-max);
  padding-left: 20px;
  padding-right: 20px;
  margin: 0 auto;
}
/* ========== 导航 ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 rgba(15, 79, 160, 0.04);
  min-height: var(--nav-height);
  display: flex;
  align-items: center;
}
.site-header .navbar {
  padding: 0;
  min-height: var(--nav-height);
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 20px;
  color: var(--primary-dark);
  letter-spacing: 0.5px;
  padding: 0;
}
.navbar-brand:hover {
  color: var(--primary);
}
.brand-icon {
  width: 36px;
  height: 36px;
  background: var(--primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  flex-shrink: 0;
}
.navbar-nav {
  gap: 6px;
}
.navbar-nav .nav-link {
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 500;
  padding: 10px 14px;
  border-radius: var(--radius-badge);
  position: relative;
  transition: all var(--transition);
  white-space: nowrap;
}
.navbar-nav .nav-link:hover {
  color: var(--primary-dark);
  background: var(--bg-accent);
}
.navbar-nav .nav-link.active {
  color: var(--primary);
  background: var(--bg-accent);
  font-weight: 600;
}
.navbar-nav .nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.nav-cta {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-btn);
  padding: 9px 18px;
  font-size: 14px;
  font-weight: 600;
  height: 40px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-cta:hover {
  background: var(--primary-dark);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.navbar-toggler {
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  padding: 8px 12px;
  font-size: 20px;
  color: var(--text-primary);
  box-shadow: none;
}
.navbar-toggler:focus {
  box-shadow: 0 0 0 3px rgba(26, 109, 212, 0.12);
  border-color: var(--primary);
}
.navbar-collapse {
  gap: 12px;
}
/* ========== 通用 section ========== */
.section {
  padding: var(--section-padding) 0;
}
.section-alt {
  background: var(--bg-secondary);
}
.section-accent {
  background: var(--bg-accent);
}
.section-title {
  font-size: clamp(26px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.section-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 680px;
  line-height: 1.7;
  margin-bottom: 0;
}
.section-head {
  margin-bottom: 40px;
}
/* ========== 页面横幅 ========== */
.page-banner {
  background: var(--bg-accent);
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -80px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: rgba(26, 109, 212, 0.08);
  pointer-events: none;
}
.page-banner::after {
  content: '';
  position: absolute;
  bottom: -140px;
  left: -100px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(14, 165, 233, 0.06);
  pointer-events: none;
}
.page-banner .container {
  position: relative;
  z-index: 1;
}
.page-banner h1 {
  font-size: clamp(32px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 14px;
}
.page-banner p {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 720px;
  line-height: 1.7;
  margin-bottom: 0;
}
.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.breadcrumb-nav a {
  color: var(--text-secondary);
}
.breadcrumb-nav a:hover {
  color: var(--primary);
}
.breadcrumb-nav .sep {
  color: var(--text-muted);
  font-size: 12px;
}
.breadcrumb-nav .current {
  color: var(--primary);
  font-weight: 500;
}
/* ========== 赛程主体卡片 ========== */
.schedule-group {
  margin-bottom: 36px;
}
.schedule-group:last-child {
  margin-bottom: 0;
}
.schedule-date {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}
.schedule-date .date-badge {
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-btn);
  padding: 8px 18px;
  font-weight: 700;
  font-size: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.schedule-date .date-info {
  font-size: 14px;
  color: var(--text-secondary);
}
.schedule-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 18px 22px;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 18px;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}
.schedule-card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(26, 109, 212, 0.35);
  transform: translateY(-2px);
}
.schedule-time {
  min-width: 72px;
  font-weight: 700;
  font-size: 18px;
  color: var(--primary-dark);
  font-family: var(--font-num);
}
.schedule-game {
  min-width: 80px;
}
.game-tag {
  display: inline-block;
  background: var(--bg-accent);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-badge);
  padding: 4px 12px;
  text-align: center;
}
.schedule-matchup {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  font-weight: 600;
  font-size: 16px;
  color: var(--text-primary);
}
.schedule-vs {
  color: var(--text-muted);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 1px;
}
.schedule-stage {
  font-size: 14px;
  color: var(--text-secondary);
  white-space: nowrap;
}
.schedule-stage .stage-badge {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-badge);
  padding: 4px 12px;
  font-weight: 500;
}
/* ========== 焦点赛事卡 ========== */
.focus-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 24px;
  text-align: center;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
  height: 100%;
}
.focus-card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(26, 109, 212, 0.35);
  transform: translateY(-3px);
}
.focus-card .focus-game {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  border-radius: var(--radius-badge);
  padding: 4px 14px;
  margin-bottom: 16px;
}
.focus-card .focus-teams {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.focus-card .focus-vs {
  color: var(--primary);
  font-size: 18px;
  font-weight: 700;
  margin: 0 8px;
}
.focus-card .focus-tournament {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}
.focus-card .focus-time {
  font-size: 14px;
  color: var(--primary);
  font-weight: 600;
}
/* ========== 提醒卡片 ========== */
.reminder-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 16px 20px;
  margin-bottom: 12px;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}
.reminder-item:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(26, 109, 212, 0.3);
}
.reminder-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: var(--bg-accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 20px;
}
.reminder-info {
  flex: 1;
}
.reminder-info .reminder-title {
  font-weight: 600;
  font-size: 15px;
  color: var(--text-primary);
  margin-bottom: 2px;
}
.reminder-info .reminder-desc {
  font-size: 14px;
  color: var(--text-secondary);
}
.reminder-time {
  font-weight: 700;
  font-size: 15px;
  color: var(--primary-dark);
  font-family: var(--font-num);
  white-space: nowrap;
}
/* ========== 筛选提示 ========== */
.filter-tip-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 22px;
  text-align: center;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
  height: 100%;
}
.filter-tip-card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(26, 109, 212, 0.3);
  transform: translateY(-2px);
}
.filter-tip-card .tip-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 14px;
  background: var(--bg-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 24px;
}
.filter-tip-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.filter-tip-card p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 0;
  line-height: 1.6;
}
/* ========== 数据工具卡 ========== */
.tool-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
  height: 100%;
}
.tool-card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(26, 109, 212, 0.35);
  transform: translateY(-3px);
}
.tool-card .tool-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: var(--bg-accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 22px;
}
.tool-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.tool-card p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 0;
  line-height: 1.6;
}
/* ========== CTA ========== */
.cta-section {
  background: var(--bg-accent);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.cta-wrapper {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}
.cta-left {
  flex: 1;
  min-width: 280px;
}
.cta-left h2 {
  font-size: clamp(24px, 3vw, 30px);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.cta-left p {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 0;
  line-height: 1.7;
}
.cta-form {
  flex: 1;
  min-width: 280px;
}
.cta-form .input-group {
  gap: 12px;
  flex-wrap: wrap;
}
.cta-form input[type="email"] {
  flex: 1;
  min-width: 200px;
  height: 48px;
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  padding: 0 16px;
  font-size: 15px;
  color: var(--text-primary);
  background: #fff;
  transition: all var(--transition);
}
.cta-form input[type="email"]:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26, 109, 212, 0.1);
}
.cta-form .btn-submit {
  height: 48px;
  padding: 0 24px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  transition: all var(--transition);
}
.cta-form .btn-submit:hover {
  background: var(--primary-dark);
  box-shadow: var(--shadow-md);
}
.cta-form .btn-submit:active {
  transform: translateY(1px);
}
/* ========== 相关分类入口 ========== */
.related-entry-card {
  display: block;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 28px;
  text-align: center;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
  height: 100%;
}
.related-entry-card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(26, 109, 212, 0.4);
  transform: translateY(-3px);
  color: inherit;
}
.related-entry-card .entry-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
  background: var(--bg-accent);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 26px;
}
.related-entry-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.related-entry-card p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 12px;
  line-height: 1.6;
}
.related-entry-card .entry-link {
  font-size: 14px;
  color: var(--primary);
  font-weight: 600;
}
/* ========== 页脚 ========== */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding-top: 48px;
}
.footer-main {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr 1.4fr;
  gap: 32px;
  padding-bottom: 36px;
}
.footer-brand .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  color: var(--primary-dark);
  margin-bottom: 12px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 280px;
}
.footer-col h5 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 14px;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-col ul li {
  margin-bottom: 8px;
}
.footer-col ul li a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color var(--transition);
}
.footer-col ul li a:hover {
  color: var(--primary);
}
.footer-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-tag {
  display: inline-block;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-badge);
  padding: 4px 12px;
  font-size: 13px;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.footer-tag:hover {
  background: var(--bg-accent);
  border-color: var(--primary);
  color: var(--primary);
}
.footer-contact p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-contact i {
  color: var(--primary);
  width: 16px;
  text-align: center;
}
.footer-bottom {
  background: var(--primary-dark);
  color: #fff;
  padding: 16px 0;
  text-align: center;
  font-size: 13px;
}
/* ========== 响应式 ========== */
@media (max-width: 991px) {
  .navbar-collapse {
    background: #fff;
    padding: 16px 0;
  }
  .navbar-nav {
    gap: 0;
  }
  .navbar-nav .nav-link {
    padding: 12px 16px;
    font-size: 16px;
  }
  .nav-cta {
    margin-top: 10px;
    justify-content: center;
  }
  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
}
@media (max-width: 768px) {
  :root {
    --section-padding: var(--section-padding-mobile);
  }
  .page-banner {
    padding: 36px 0;
  }
  .schedule-card {
    flex-wrap: wrap;
    gap: 10px;
    padding: 14px 16px;
  }
  .schedule-matchup {
    min-width: 100%;
    order: 4;
    justify-content: flex-start;
  }
  .schedule-stage {
    order: 5;
  }
  .cta-wrapper {
    flex-direction: column;
    align-items: flex-start;
  }
  .cta-form .input-group {
    flex-direction: column;
  }
  .cta-form input[type="email"] {
    min-width: 100%;
  }
  .cta-form .btn-submit {
    width: 100%;
  }
  .footer-main {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}
@media (max-width: 576px) {
  .page-banner h1 {
    font-size: 28px;
  }
  .section-title {
    font-size: 24px;
  }
  .schedule-time {
    font-size: 16px;
    min-width: 60px;
  }
  .schedule-game {
    min-width: 68px;
  }
  .game-tag {
    font-size: 12px;
    padding: 3px 10px;
  }
  .schedule-matchup {
    font-size: 14px;
  }
  .focus-card .focus-teams {
    font-size: 17px;
  }
}

/* roulang page: category1 */
:root {
            --primary: #1A6DD4;
            --primary-dark: #0F4FA0;
            --secondary: #0EA5E9;
            --bg-primary: #FFFFFF;
            --bg-secondary: #F5F7FA;
            --bg-accent: #EBF2FC;
            --text-primary: #1F2937;
            --text-secondary: #6B7280;
            --text-muted: #9CA3AF;
            --accent: #F59E0B;
            --success: #10B981;
            --danger: #EF4444;
            --border: #E2E8F0;
            --shadow-sm: 0 2px 8px rgba(15, 79, 160, 0.06);
            --shadow-md: 0 8px 24px rgba(15, 79, 160, 0.10);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 20px;
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Inter", "SF Pro", sans-serif;
            --section-padding: 64px;
            --section-padding-mobile: 48px;
            --container-max: 1140px;
            --nav-height: 68px;
            --transition: 0.24s ease;
        }

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            overflow-x: hidden;
        }

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

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

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

        button,
        input {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
            margin: 0 auto;
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 0 rgba(15, 79, 160, 0.04);
            min-height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .site-header .navbar {
            padding: 0;
            min-height: var(--nav-height);
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--primary-dark);
            letter-spacing: 0.5px;
            padding: 0;
        }

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

        .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .navbar-nav {
            gap: 2px;
        }

        .navbar-nav .nav-link {
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 500;
            padding: 10px 14px;
            border-radius: var(--radius-badge);
            position: relative;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .navbar-nav .nav-link:hover {
            color: var(--primary-dark);
            background: var(--bg-accent);
        }

        .navbar-nav .nav-link.active {
            color: var(--primary);
            background: var(--bg-accent);
            font-weight: 600;
        }

        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .nav-cta {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 9px 18px;
            font-size: 14px;
            font-weight: 600;
            height: 40px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }

        .navbar-toggler {
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            padding: 8px 12px;
            font-size: 20px;
            color: var(--text-primary);
            box-shadow: none;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(26, 109, 212, 0.12);
            border-color: var(--primary);
        }

        /* 通用 section */
        .section {
            padding: var(--section-padding) 0;
        }

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

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

        .section-title {
            font-size: clamp(26px, 3vw, 32px);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.7;
            margin-bottom: 0;
        }

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

        .section-head.text-center {
            text-align: center;
        }

        .section-head.text-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

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

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

        .card-body {
            padding: 20px;
        }

        .card-title {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

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

        /* 按钮 */
        .btn-primary {
            background: var(--primary);
            border: none;
            border-radius: var(--radius-btn);
            padding: 10px 20px;
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition);
            height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            color: #fff;
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }

        .btn-primary:active {
            transform: translateY(1px);
        }

        .btn-outline-primary {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
            border-radius: var(--radius-btn);
            padding: 10px 20px;
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition);
            height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
        }

        .btn-outline-primary:hover,
        .btn-outline-primary:focus {
            background: var(--bg-accent);
            border-color: var(--primary);
            color: var(--primary);
        }

        /* 徽章 */
        .badge-soft {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            font-size: 12px;
            font-weight: 600;
            background: var(--bg-accent);
            color: var(--primary);
        }

        .badge-live {
            background: var(--accent);
            color: #fff;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            font-size: 12px;
            font-weight: 700;
            animation: pulse-live 1.6s ease-in-out infinite;
        }

        @keyframes pulse-live {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.65; }
        }

        .badge-success {
            background: var(--success);
            color: #fff;
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            font-size: 12px;
            font-weight: 600;
        }

        .badge-danger {
            background: var(--danger);
            color: #fff;
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            font-size: 12px;
            font-weight: 600;
        }

        .badge-muted {
            background: var(--text-muted);
            color: #fff;
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            font-size: 12px;
            font-weight: 600;
        }

        /* 面包屑 */
        .breadcrumb {
            margin-bottom: 12px;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            padding: 0;
            background: transparent;
        }

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

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

        .breadcrumb span {
            color: var(--text-muted);
        }

        .breadcrumb .separator {
            color: var(--text-muted);
        }

        /* H1横幅区 */
        .hero-banner {
            background: var(--bg-accent);
            padding: 56px 0 52px;
            position: relative;
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 320px;
            height: 320px;
            background: rgba(26, 109, 212, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-banner::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 280px;
            height: 280px;
            background: rgba(14, 165, 233, 0.07);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-banner .container {
            position: relative;
            z-index: 1;
        }

        .hero-banner h1 {
            font-size: clamp(32px, 4vw, 40px);
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .hero-banner p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* 对阵卡片列表 */
        .match-card {
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            background: var(--bg-primary);
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            transition: all var(--transition);
        }

        .match-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(26, 109, 212, 0.3);
        }

        .match-game {
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 120px;
        }

        .match-game-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--bg-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .match-game-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
        }

        .match-teams {
            display: flex;
            align-items: center;
            gap: 18px;
            flex: 1;
            min-width: 200px;
            justify-content: center;
        }

        .match-team {
            font-weight: 600;
            font-size: 16px;
            color: var(--text-primary);
            text-align: center;
        }

        .match-score {
            font-family: var(--font-num);
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
            text-align: center;
            min-width: 80px;
        }

        .match-score.winner {
            color: var(--success);
        }

        .match-score.loser {
            color: var(--danger);
        }

        .match-vs {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }

        .match-status {
            font-size: 13px;
            font-weight: 600;
            white-space: nowrap;
        }

        /* 赛果汇总 */
        .result-summary {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .result-item {
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 16px 18px;
            text-align: center;
            transition: all var(--transition);
        }

        .result-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .result-item .result-game {
            font-size: 12px;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            margin-bottom: 6px;
        }

        .result-item .result-teams {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .result-item .result-score {
            font-family: var(--font-num);
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
        }

        /* 进行中比赛 */
        .live-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .live-card {
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            border-left: 4px solid var(--accent);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .live-card:hover {
            box-shadow: var(--shadow-md);
        }

        .live-card .live-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 12px;
        }

        .live-card .live-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 700;
            color: var(--accent);
        }

        .live-card .live-badge .dot {
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            animation: pulse-dot 1.2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { transform: scale(1); opacity: 1; }
            50% { transform: scale(1.5); opacity: 0.6; }
        }

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

        .live-card .live-score {
            font-family: var(--font-num);
            font-size: 26px;
            font-weight: 800;
            color: var(--accent);
            margin-bottom: 6px;
        }

        .live-card .live-info {
            font-size: 13px;
            color: var(--text-secondary);
        }

        /* 人气赛事 */
        .hot-card {
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            background: var(--bg-primary);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

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

        .hot-card .hot-card-img {
            height: 160px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .hot-card .hot-card-img::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 79, 160, 0.4), transparent);
        }

        .hot-card .hot-card-content {
            padding: 16px 18px;
        }

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

        .hot-card .hot-card-meta {
            font-size: 13px;
            color: var(--text-secondary);
            display: flex;
            gap: 12px;
        }

        /* 数据亮点 */
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

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

        .stat-card .stat-number {
            font-family: var(--font-num);
            font-size: clamp(28px, 3vw, 36px);
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            margin-bottom: 8px;
        }

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

        .stat-card .stat-unit {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 历史经典赛事 */
        .classic-card {
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            background: var(--bg-primary);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .classic-card:hover {
            box-shadow: var(--shadow-md);
        }

        .classic-card .classic-img {
            height: 140px;
            background-size: cover;
            background-position: center;
        }

        .classic-card .classic-content {
            padding: 16px 18px;
            flex: 1;
        }

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

        .classic-card .classic-score {
            font-family: var(--font-num);
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .classic-card .classic-meta {
            font-size: 13px;
            color: var(--text-secondary);
        }

        /* 相关分类入口 */
        .category-entry-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .category-entry-card {
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            background: var(--bg-primary);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all var(--transition);
            color: var(--text-primary);
        }

        .category-entry-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(26, 109, 212, 0.3);
            color: var(--primary);
        }

        .category-entry-card .entry-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--bg-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .category-entry-card .entry-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .category-entry-card .entry-desc {
            font-size: 13px;
            color: var(--text-secondary);
        }

        /* 订阅CTA */
        .subscribe-section {
            background: var(--bg-accent);
            border-radius: var(--radius-card);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .subscribe-section .subscribe-left {
            flex: 1;
            min-width: 280px;
        }

        .subscribe-section .subscribe-left h3 {
            font-size: clamp(20px, 2vw, 24px);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .subscribe-section .subscribe-left p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }

        .subscribe-section .subscribe-form {
            display: flex;
            gap: 10px;
            min-width: 300px;
            flex: 0 0 auto;
        }

        .subscribe-section .subscribe-form input {
            flex: 1;
            height: 44px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            padding: 0 16px;
            font-size: 14px;
            background: var(--bg-primary);
            color: var(--text-primary);
            transition: all var(--transition);
            min-width: 200px;
        }

        .subscribe-section .subscribe-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 109, 212, 0.1);
        }

        /* 查看更多 */
        .view-more-wrapper {
            text-align: center;
            margin-top: 28px;
        }

        /* 页脚 */
        .site-footer {
            background: var(--bg-secondary);
            padding: 48px 0 0;
            border-top: 1px solid var(--border);
        }

        .footer-main {
            display: grid;
            grid-template-columns: 2fr 1.2fr 1.2fr 1.4fr;
            gap: 32px;
            padding-bottom: 32px;
        }

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

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

        .footer-col h5 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

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

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

        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color var(--transition);
        }

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

        .footer-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-tag {
            display: inline-block;
            padding: 4px 12px;
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-badge);
            font-size: 12px;
            color: var(--text-secondary);
            transition: all var(--transition);
        }

        .footer-tag:hover {
            color: var(--primary);
            border-color: var(--primary);
        }

        .footer-contact p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact i {
            color: var(--primary);
            width: 18px;
        }

        .footer-bottom {
            background: var(--primary-dark);
            padding: 14px 0;
            text-align: center;
        }

        .footer-bottom p {
            color: #fff;
            font-size: 13px;
            margin: 0;
        }

        /* 响应式 */
        @media (max-width: 992px) {
            .footer-main {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .result-summary {
                grid-template-columns: repeat(2, 1fr);
            }
            .live-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .match-teams {
                gap: 12px;
                min-width: auto;
            }
            .match-card {
                flex-direction: column;
                align-items: flex-start;
            }
            .match-game {
                min-width: auto;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-padding: 48px;
            }
            .navbar-nav {
                padding: 12px 0;
                gap: 2px;
            }
            .navbar-nav .nav-link {
                padding: 12px 16px;
                font-size: 16px;
            }
            .nav-cta {
                width: 100%;
                justify-content: center;
                margin-top: 8px;
            }
            .hero-banner {
                padding: 40px 0 36px;
            }
            .hero-banner h1 {
                font-size: 28px;
            }
            .footer-main {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .result-summary {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .live-row {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .category-entry-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .subscribe-section {
                flex-direction: column;
                align-items: stretch;
                padding: 28px 20px;
            }
            .subscribe-section .subscribe-form {
                flex-direction: column;
                min-width: auto;
            }
            .subscribe-section .subscribe-form input {
                min-width: auto;
            }
            .match-teams {
                flex-direction: column;
                gap: 6px;
                text-align: center;
            }
            .match-score {
                font-size: 22px;
                min-width: auto;
            }
            .match-vs {
                display: none;
            }
        }

        @media (max-width: 576px) {
            .result-summary {
                grid-template-columns: 1fr;
            }
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .hero-banner h1 {
                font-size: 24px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1A6DD4;
            --primary-dark: #0F4FA0;
            --secondary: #0EA5E9;
            --bg-primary: #FFFFFF;
            --bg-secondary: #F5F7FA;
            --bg-accent: #EBF2FC;
            --text-primary: #1F2937;
            --text-secondary: #6B7280;
            --text-muted: #9CA3AF;
            --accent: #F59E0B;
            --success: #10B981;
            --danger: #EF4444;
            --border: #E2E8F0;
            --shadow-sm: 0 2px 8px rgba(15, 79, 160, 0.06);
            --shadow-md: 0 8px 24px rgba(15, 79, 160, 0.10);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 20px;
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Inter", "SF Pro", sans-serif;
            --section-padding: 80px;
            --section-padding-mobile: 48px;
            --container-max: 1140px;
            --nav-height: 68px;
            --transition: 0.24s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
        }
        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
            margin: 0 auto;
        }
        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 0 rgba(15, 79, 160, 0.04);
            min-height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .site-header .navbar {
            padding: 0;
            min-height: var(--nav-height);
            background: var(--bg-primary);
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--primary-dark);
            letter-spacing: 0.5px;
            padding: 0;
        }
        .navbar-brand:hover {
            color: var(--primary);
        }
        .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            flex-shrink: 0;
        }
        .navbar-nav {
            gap: 4px;
        }
        .navbar-nav .nav-link {
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 500;
            padding: 10px 14px;
            border-radius: var(--radius-badge);
            position: relative;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .navbar-nav .nav-link:hover {
            color: var(--primary-dark);
            background: var(--bg-accent);
        }
        .navbar-nav .nav-link.active {
            color: var(--primary);
            background: var(--bg-accent);
            font-weight: 600;
        }
        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-cta {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 9px 18px;
            font-size: 14px;
            font-weight: 600;
            height: 40px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
            white-space: nowrap;
            margin-left: 8px;
        }
        .nav-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }
        .navbar-toggler {
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            padding: 8px 12px;
            font-size: 20px;
            color: var(--text-primary);
            box-shadow: none;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(26, 109, 212, 0.12);
            border-color: var(--primary);
        }

        /* ========== 面包屑与横幅 ========== */
        .page-banner {
            padding: 48px 0 36px;
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border);
            position: relative;
        }
        .page-banner .banner-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/696aa31e39099a81.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            pointer-events: none;
        }
        .page-banner .container {
            position: relative;
            z-index: 1;
        }
        .breadcrumb-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb-wrap a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }
        .breadcrumb-wrap a:hover {
            color: var(--primary);
        }
        .breadcrumb-sep {
            color: var(--text-muted);
            font-size: 12px;
        }
        .breadcrumb-current {
            color: var(--primary);
            font-weight: 600;
        }
        .page-banner h1 {
            font-size: clamp(28px, 3.5vw, 38px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .page-banner .banner-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.7;
        }

        /* ========== 通用 section ========== */
        .section {
            padding: var(--section-padding) 0;
        }
        .section-alt {
            background: var(--bg-secondary);
        }
        .section-accent {
            background: var(--bg-accent);
        }
        .section-title {
            font-size: clamp(24px, 2.8vw, 30px);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .section-head {
            margin-bottom: 40px;
        }

        /* ========== 按钮 ========== */
        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 11px 22px;
            font-size: 15px;
            font-weight: 600;
            height: 44px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
            cursor: pointer;
            text-decoration: none;
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: var(--shadow-sm);
            transform: translateY(-1px);
        }
        .btn-secondary-custom {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            border-radius: var(--radius-btn);
            padding: 10px 20px;
            font-size: 15px;
            font-weight: 600;
            height: 44px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
            cursor: pointer;
            text-decoration: none;
        }
        .btn-secondary-custom:hover {
            background: var(--bg-accent);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        /* ========== 排行榜卡片 ========== */
        .rank-filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .rank-filter-tab {
            padding: 8px 16px;
            border-radius: var(--radius-badge);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-primary);
            border: 1px solid var(--border);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .rank-filter-tab:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .rank-filter-tab.active-tab {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .rank-card {
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            display: flex;
            align-items: center;
            gap: 18px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .rank-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(26, 109, 212, 0.25);
            transform: translateY(-2px);
        }
        .rank-number {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            font-family: var(--font-num);
            flex-shrink: 0;
            background: var(--bg-accent);
            color: var(--text-secondary);
        }
        .rank-number.rank-1 {
            background: #FEF3C7;
            color: #D97706;
        }
        .rank-number.rank-2 {
            background: #E5E7EB;
            color: #4B5563;
        }
        .rank-number.rank-3 {
            background: #FDE8D7;
            color: #C14E0A;
        }
        .rank-team-icon {
            width: 46px;
            height: 46px;
            border-radius: 10px;
            background: var(--bg-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            color: var(--primary-dark);
            flex-shrink: 0;
            overflow: hidden;
        }
        .rank-team-icon img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 10px;
        }
        .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-team-name {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 2px;
        }
        .rank-team-region {
            font-size: 13px;
            color: var(--text-muted);
        }
        .rank-stats {
            display: flex;
            align-items: center;
            gap: 28px;
            flex-shrink: 0;
        }
        .rank-stat-item {
            text-align: center;
        }
        .rank-stat-label {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 2px;
        }
        .rank-stat-value {
            font-size: 18px;
            font-weight: 700;
            font-family: var(--font-num);
            color: var(--text-primary);
        }
        .rank-stat-value.highlight {
            color: var(--primary);
        }
        .rank-stat-value.winrate-good {
            color: var(--success);
        }
        .rank-stat-value.winrate-mid {
            color: var(--accent);
        }
        .rank-change {
            display: flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 600;
            flex-shrink: 0;
        }
        .rank-change.up {
            color: var(--success);
        }
        .rank-change.down {
            color: var(--danger);
        }
        .rank-change.flat {
            color: var(--text-muted);
            font-weight: 400;
        }
        .view-more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            text-decoration: none;
            transition: all var(--transition);
        }
        .view-more-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        /* ========== 上升最快卡片 ========== */
        .rising-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .rising-card {
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 14px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .rising-card:hover {
            box-shadow: var(--shadow-md);
        }
        .rising-badge {
            background: var(--success);
            color: #fff;
            border-radius: var(--radius-badge);
            padding: 4px 12px;
            font-size: 13px;
            font-weight: 600;
            white-space: nowrap;
        }
        .rising-name {
            font-weight: 600;
            font-size: 16px;
            color: var(--text-primary);
            flex: 1;
        }
        .rising-rank-change {
            font-size: 14px;
            font-weight: 700;
            color: var(--success);
            white-space: nowrap;
        }

        /* ========== 单项数据王 ========== */
        .data-king-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .data-king-card {
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .data-king-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .data-king-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 8px;
        }
        .data-king-value {
            font-size: clamp(26px, 2.5vw, 32px);
            font-weight: 800;
            font-family: var(--font-num);
            color: var(--primary);
            margin-bottom: 4px;
        }
        .data-king-player {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .data-king-team {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ========== 历史冠军记录 ========== */
        .champion-timeline {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .champion-record {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 14px 18px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .champion-record:hover {
            box-shadow: var(--shadow-md);
        }
        .champion-trophy {
            width: 38px;
            height: 38px;
            background: #FEF3C7;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #D97706;
            font-size: 18px;
            flex-shrink: 0;
        }
        .champion-info {
            flex: 1;
        }
        .champion-event {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .champion-detail {
            font-size: 13px;
            color: var(--text-muted);
        }
        .champion-score {
            font-size: 20px;
            font-weight: 800;
            font-family: var(--font-num);
            color: var(--primary-dark);
            flex-shrink: 0;
        }

        /* ========== 数据说明 ========== */
        .data-note-card {
            background: var(--bg-accent);
            border: 1px solid rgba(26, 109, 212, 0.15);
            border-radius: var(--radius-card);
            padding: 24px 28px;
        }
        .data-note-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .data-note-text {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* ========== CTA 订阅 ========== */
        .subscribe-cta {
            background: var(--bg-accent);
            border-radius: var(--radius-card);
            padding: 36px 40px;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 220px;
            height: 44px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            padding: 0 16px;
            font-size: 15px;
            background: var(--bg-primary);
            transition: all var(--transition);
        }
        .subscribe-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 109, 212, 0.1);
        }
        .subscribe-form .btn-primary-custom {
            height: 44px;
        }

        /* ========== 相关分类入口 ========== */
        .related-entry-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .related-entry-card {
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            text-decoration: none;
            color: inherit;
        }
        .related-entry-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
            transform: translateY(-2px);
            color: inherit;
        }
        .related-entry-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: var(--bg-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            flex-shrink: 0;
        }
        .related-entry-info h5 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--text-primary);
        }
        .related-entry-info p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            padding-top: 48px;
        }
        .footer-main {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 36px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-top: 12px;
            max-width: 280px;
        }
        .footer-brand .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 18px;
            color: var(--primary-dark);
        }
        .footer-brand .brand-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 800;
        }
        .footer-col h5 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: all var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-tag {
            padding: 5px 12px;
            border-radius: var(--radius-badge);
            background: var(--bg-primary);
            border: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-secondary);
            transition: all var(--transition);
        }
        .footer-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--bg-accent);
        }
        .footer-contact p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-contact i {
            color: var(--primary);
            width: 16px;
        }
        .footer-bottom {
            background: var(--primary-dark);
            padding: 16px 0;
        }
        .footer-bottom p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 13px;
            text-align: center;
            margin: 0;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 992px) {
            :root {
                --section-padding: 64px;
            }
            .navbar-nav {
                padding: 12px 0;
                gap: 2px;
            }
            .navbar-nav .nav-link {
                padding: 12px 16px;
                font-size: 16px;
            }
            .nav-cta {
                margin: 8px 0 4px;
                justify-content: center;
            }
            .footer-main {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .data-king-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .rank-stats {
                gap: 16px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-padding: 48px;
            }
            .section {
                padding: var(--section-padding) 0;
            }
            .page-banner {
                padding: 32px 0 28px;
            }
            .rank-card {
                flex-wrap: wrap;
                gap: 12px;
                padding: 14px 16px;
            }
            .rank-info {
                flex-basis: calc(100% - 70px);
            }
            .rank-stats {
                width: 100%;
                justify-content: space-between;
                gap: 12px;
            }
            .rank-stat-value {
                font-size: 16px;
            }
            .related-entry-grid {
                grid-template-columns: 1fr;
            }
            .subscribe-cta {
                padding: 24px 20px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input {
                min-width: auto;
                width: 100%;
            }
            .footer-main {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 576px) {
            .data-king-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .rank-number {
                width: 34px;
                height: 34px;
                font-size: 16px;
                border-radius: 8px;
            }
            .rank-team-icon {
                width: 38px;
                height: 38px;
                border-radius: 8px;
                font-size: 15px;
            }
            .rank-team-name {
                font-size: 15px;
            }
            .rank-stat-label {
                font-size: 11px;
            }
            .rank-stat-value {
                font-size: 15px;
            }
            .rank-stats {
                flex-wrap: wrap;
                gap: 8px;
            }
            .rank-stat-item {
                text-align: left;
                flex: 1;
                min-width: 60px;
            }
            .page-banner h1 {
                font-size: 24px;
            }
            .breadcrumb-wrap {
                font-size: 12px;
            }
            .section-title {
                font-size: 22px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #1A6DD4;
            --primary-dark: #0F4FA0;
            --secondary: #0EA5E9;
            --bg-primary: #FFFFFF;
            --bg-secondary: #F5F7FA;
            --bg-accent: #EBF2FC;
            --text-primary: #1F2937;
            --text-secondary: #6B7280;
            --text-muted: #9CA3AF;
            --accent: #F59E0B;
            --success: #10B981;
            --danger: #EF4444;
            --border: #E2E8F0;
            --shadow-sm: 0 2px 8px rgba(15, 79, 160, 0.06);
            --shadow-md: 0 8px 24px rgba(15, 79, 160, 0.10);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 20px;
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Inter", "SF Pro", sans-serif;
            --section-padding: 80px;
            --section-padding-mobile: 48px;
            --container-max: 1140px;
            --nav-height: 68px;
            --transition: 0.24s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            outline: none;
        }
        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
            margin: 0 auto;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 0 rgba(15, 79, 160, 0.04);
            min-height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .site-header .navbar {
            padding: 0;
            min-height: var(--nav-height);
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--primary-dark);
            letter-spacing: 0.5px;
            padding: 0;
        }
        .navbar-brand:hover {
            color: var(--primary);
        }
        .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            flex-shrink: 0;
        }
        .navbar-nav {
            gap: 6px;
        }
        .navbar-nav .nav-link {
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 500;
            padding: 10px 14px;
            border-radius: var(--radius-badge);
            position: relative;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .navbar-nav .nav-link:hover {
            color: var(--primary-dark);
            background: var(--bg-accent);
        }
        .navbar-nav .nav-link.active {
            color: var(--primary);
            background: var(--bg-accent);
            font-weight: 600;
        }
        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-cta {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 9px 18px;
            font-size: 14px;
            font-weight: 600;
            height: 40px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }
        .navbar-toggler {
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            padding: 8px 12px;
            font-size: 20px;
            color: var(--text-primary);
            box-shadow: none;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(26, 109, 212, 0.12);
            border-color: var(--primary);
        }
        .navbar-collapse {
            gap: 12px;
        }

        /* ========== 通用 section ========== */
        .section {
            padding: var(--section-padding) 0;
        }
        .section-alt {
            background: var(--bg-secondary);
        }
        .section-accent {
            background: var(--bg-accent);
        }
        .section-title {
            font-size: clamp(26px, 3vw, 32px);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .section-head {
            margin-bottom: 40px;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-bar {
            background: var(--bg-accent);
            padding: 16px 0;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .breadcrumb-bar .breadcrumb {
            margin: 0;
            padding: 0;
            background: transparent;
            --bs-breadcrumb-divider-color: var(--text-muted);
            --bs-breadcrumb-item-active-color: var(--primary);
        }
        .breadcrumb-bar a {
            color: var(--text-secondary);
        }
        .breadcrumb-bar a:hover {
            color: var(--primary);
        }

        /* ========== 分类 H1 横幅 ========== */
        .category-hero {
            background: var(--bg-primary);
            padding: 48px 0 40px;
            border-bottom: 1px solid var(--border);
        }
        .category-hero h1 {
            font-size: clamp(32px, 4vw, 40px);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .category-hero .lead {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== 按钮 ========== */
        .btn-primary {
            background: var(--primary);
            border: none;
            border-radius: var(--radius-btn);
            height: 44px;
            padding: 0 20px;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
        }
        .btn-primary:active {
            background: var(--primary-dark);
            transform: translateY(1px);
            box-shadow: var(--shadow-sm);
        }
        .btn-outline-primary {
            background: transparent;
            border: 1px solid var(--primary);
            border-radius: var(--radius-btn);
            height: 44px;
            padding: 0 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
        }
        .btn-outline-primary:hover,
        .btn-outline-primary:focus {
            background: var(--bg-accent);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }
        .btn-outline-primary:active {
            background: var(--bg-accent);
            transform: translateY(1px);
        }

        /* ========== 直播卡片 ========== */
        .live-card {
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
            margin-bottom: 20px;
        }
        .live-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .live-card-body {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .live-card-match {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            flex: 1;
            min-width: 280px;
        }
        .live-card-game-badge {
            background: var(--bg-accent);
            color: var(--primary);
            padding: 6px 12px;
            border-radius: var(--radius-badge);
            font-size: 12px;
            font-weight: 600;
            white-space: nowrap;
        }
        .live-card-teams {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .live-card-teams .vs {
            color: var(--text-muted);
            font-weight: 400;
            font-size: 14px;
        }
        .live-card-score {
            font-family: var(--font-num);
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: 1px;
        }
        .live-card-platform {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            flex-shrink: 0;
        }
        .live-card-platform i {
            color: var(--secondary);
        }
        .live-card-actions {
            flex-shrink: 0;
        }
        .live-badge {
            background: var(--accent);
            color: #fff;
            border-radius: var(--radius-badge);
            padding: 3px 10px;
            font-size: 12px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            animation: pulse-live 1.8s ease-in-out infinite;
        }
        .live-badge i {
            font-size: 10px;
        }
        @keyframes pulse-live {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.65; }
        }
        .upcoming-badge {
            background: var(--bg-accent);
            color: var(--primary);
            border-radius: var(--radius-badge);
            padding: 3px 10px;
            font-size: 12px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .ended-badge {
            background: var(--bg-secondary);
            color: var(--text-muted);
            border-radius: var(--radius-badge);
            padding: 3px 10px;
            font-size: 12px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== 即将直播卡片 ========== */
        .upcoming-card {
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 20px;
            height: 100%;
            transition: all var(--transition);
        }
        .upcoming-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--secondary);
        }
        .upcoming-card .time {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .upcoming-card .match {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .upcoming-card .game {
            font-size: 13px;
            color: var(--text-secondary);
        }

        /* ========== 主播推荐 ========== */
        .streamer-card {
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 20px;
            text-align: center;
            height: 100%;
            transition: all var(--transition);
        }
        .streamer-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .streamer-avatar {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--bg-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            color: var(--primary);
            font-size: 24px;
        }
        .streamer-card .name {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .streamer-card .desc {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        /* ========== 观赛指南 ========== */
        .guide-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .guide-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
            font-size: 15px;
            color: var(--text-secondary);
        }
        .guide-list li:last-child {
            border-bottom: none;
        }
        .guide-list li i {
            color: var(--success);
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* ========== 平台分布 ========== */
        .platform-card {
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 24px;
            text-align: center;
            height: 100%;
            transition: all var(--transition);
        }
        .platform-card:hover {
            box-shadow: var(--shadow-md);
        }
        .platform-card .platform-icon {
            font-size: 32px;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .platform-card .platform-name {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .platform-card .platform-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
            font-family: var(--font-num);
        }
        .platform-card .platform-label {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ========== CTA 订阅 ========== */
        .subscribe-card {
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .subscribe-card .title {
            font-size: clamp(22px, 2.5vw, 28px);
            font-weight: 700;
            margin-bottom: 8px;
        }
        .subscribe-card .desc {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 0;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            flex: 1;
            min-width: 280px;
            max-width: 460px;
        }
        .subscribe-form input {
            flex: 1;
            height: 44px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            padding: 0 16px;
            font-size: 14px;
            color: var(--text-primary);
            background: var(--bg-primary);
            transition: all var(--transition);
        }
        .subscribe-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 109, 212, 0.1);
        }
        .subscribe-form input::placeholder {
            color: var(--text-muted);
        }

        /* ========== 相关分类入口 ========== */
        .rel-link-card {
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 24px;
            text-align: center;
            height: 100%;
            transition: all var(--transition);
            display: block;
        }
        .rel-link-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
            transform: translateY(-2px);
            color: var(--primary);
        }
        .rel-link-card .rel-icon {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .rel-link-card .rel-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .rel-link-card:hover .rel-title {
            color: var(--primary);
        }
        .rel-link-card .rel-desc {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            padding-top: 48px;
        }
        .site-footer .footer-main {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            padding-bottom: 40px;
        }
        .site-footer .footer-brand {
            flex: 1 1 240px;
            max-width: 300px;
        }
        .site-footer .footer-brand .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 18px;
            color: var(--primary-dark);
            margin-bottom: 12px;
        }
        .site-footer .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }
        .site-footer .footer-col {
            flex: 1 1 160px;
        }
        .site-footer .footer-col h5 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .site-footer .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-col ul li {
            margin-bottom: 8px;
        }
        .site-footer .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color var(--transition);
        }
        .site-footer .footer-col ul li a:hover {
            color: var(--primary);
        }
        .site-footer .footer-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .site-footer .footer-tag {
            background: var(--bg-accent);
            color: var(--primary);
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            font-size: 13px;
            transition: all var(--transition);
        }
        .site-footer .footer-tag:hover {
            background: var(--primary);
            color: #fff;
        }
        .site-footer .footer-contact p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .site-footer .footer-contact i {
            color: var(--primary);
            width: 16px;
            text-align: center;
        }
        .site-footer .footer-bottom {
            background: var(--primary-dark);
            padding: 16px 0;
            text-align: center;
        }
        .site-footer .footer-bottom p {
            margin: 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.85);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 991px) {
            .navbar-collapse {
                background: var(--bg-primary);
                padding: 16px 0;
            }
            .navbar-nav {
                gap: 2px;
            }
            .navbar-nav .nav-link {
                padding: 12px 16px;
                font-size: 16px;
            }
            .nav-cta {
                margin-top: 8px;
                justify-content: center;
            }
            .section {
                padding: var(--section-padding-mobile) 0;
            }
            .live-card-body {
                padding: 16px;
            }
            .subscribe-card {
                padding: 24px;
            }
        }
        @media (max-width: 767px) {
            .live-card-body {
                flex-direction: column;
                align-items: flex-start;
            }
            .live-card-match {
                min-width: 100%;
            }
            .live-card-actions {
                width: 100%;
            }
            .live-card-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .subscribe-form {
                flex-direction: column;
                min-width: 100%;
            }
            .subscribe-form .btn {
                width: 100%;
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 26px;
            }
            .live-card-score {
                font-size: 22px;
            }
            .live-card-teams {
                font-size: 14px;
            }
            .section-title {
                font-size: 22px;
            }
            .site-footer .footer-main {
                flex-direction: column;
                gap: 24px;
            }
            .site-footer .footer-brand {
                max-width: 100%;
            }
        }

/* roulang page: category5 */
:root{
--primary:#1A6DD4;
--primary-dark:#0F4FA0;
--secondary:#0EA5E9;
--bg-primary:#FFFFFF;
--bg-secondary:#F5F7FA;
--bg-accent:#EBF2FC;
--text-primary:#1F2937;
--text-secondary:#6B7280;
--text-muted:#9CA3AF;
--accent:#F59E0B;
--success:#10B981;
--danger:#EF4444;
--border:#E2E8F0;
--shadow-sm:0 2px 8px rgba(15,79,160,0.06);
--shadow-md:0 8px 24px rgba(15,79,160,0.10);
--radius-card:12px;
--radius-btn:8px;
--radius-badge:20px;
--font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
--font-num:"Inter","SF Pro",sans-serif;
--section-padding:80px;
--section-padding-mobile:48px;
--container-max:1140px;
--nav-height:68px;
--transition:0.24s ease;
}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
body{font-family:var(--font-family);font-size:16px;font-weight:400;line-height:1.7;color:var(--text-primary);background:var(--bg-primary);overflow-x:hidden}
a{text-decoration:none;color:inherit;transition:color var(--transition)}
a:hover{color:var(--primary)}
img{max-width:100%;height:auto;display:block}
button,input{font-family:inherit;outline:none}
.container{max-width:var(--container-max);padding-left:20px;padding-right:20px;margin:0 auto}
.site-header{position:sticky;top:0;z-index:1000;background:var(--bg-primary);border-bottom:1px solid var(--border);box-shadow:0 1px 0 rgba(15,79,160,0.04);min-height:var(--nav-height);display:flex;align-items:center}
.site-header .navbar{padding:0;min-height:var(--nav-height)}
.navbar-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:var(--primary-dark);letter-spacing:0.5px;padding:0}
.navbar-brand:hover{color:var(--primary)}
.brand-icon{width:36px;height:36px;background:var(--primary);border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;font-weight:800;flex-shrink:0}
.navbar-nav{gap:6px}
.navbar-nav .nav-link{color:var(--text-primary);font-size:15px;font-weight:500;padding:10px 14px;border-radius:var(--radius-badge);position:relative;transition:all var(--transition);white-space:nowrap}
.navbar-nav .nav-link:hover{color:var(--primary-dark);background:var(--bg-accent)}
.navbar-nav .nav-link.active{color:var(--primary);background:var(--bg-accent);font-weight:600}
.navbar-nav .nav-link.active::after{content:'';position:absolute;bottom:4px;left:50%;transform:translateX(-50%);width:24px;height:2px;background:var(--primary);border-radius:2px}
.nav-cta{background:var(--primary);color:#fff;border:none;border-radius:var(--radius-btn);padding:9px 18px;font-size:14px;font-weight:600;height:40px;display:inline-flex;align-items:center;gap:6px;transition:all var(--transition);white-space:nowrap}
.nav-cta:hover{background:var(--primary-dark);color:#fff;box-shadow:var(--shadow-sm)}
.navbar-toggler{border:1px solid var(--border);border-radius:var(--radius-btn);padding:8px 12px;font-size:20px;color:var(--text-primary);box-shadow:none}
.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(26,109,212,0.12);border-color:var(--primary)}
.navbar-collapse{gap:12px}
.section{padding:var(--section-padding) 0}
.section-alt{background:var(--bg-secondary)}
.section-accent{background:var(--bg-accent)}
.section-title{font-size:clamp(26px,3vw,32px);font-weight:700;line-height:1.3;color:var(--text-primary);margin-bottom:12px}
.section-subtitle{font-size:16px;color:var(--text-secondary);max-width:680px;line-height:1.7;margin-bottom:0}
.section-head{margin-bottom:40px}
.breadcrumb-wrap{background:var(--bg-secondary);padding:24px 0;border-bottom:1px solid var(--border)}
.breadcrumb{font-size:14px;color:var(--text-secondary);margin:0}
.breadcrumb a{color:var(--text-secondary)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .active{color:var(--text-muted)}
.cat-hero{background:linear-gradient(135deg,#F5F7FA 0%,#EBF2FC 100%);padding:56px 0 48px;border-bottom:1px solid var(--border)}
.cat-hero h1{font-size:clamp(28px,3.4vw,38px);font-weight:800;line-height:1.25;color:var(--text-primary);margin-bottom:14px}
.cat-hero .cat-desc{font-size:16px;color:var(--text-secondary);max-width:780px;line-height:1.8}
.cat-hero .badge-cat{background:var(--primary);color:#fff;font-size:13px;font-weight:600;padding:6px 14px;border-radius:var(--radius-badge);display:inline-flex;align-items:center;gap:6px;margin-bottom:16px}
.news-card{background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm);transition:all var(--transition);height:100%;display:flex;flex-direction:column}
.news-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.news-card .news-cover{aspect-ratio:16/9;overflow:hidden;background:var(--bg-secondary)}
.news-card .news-cover img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition)}
.news-card:hover .news-cover img{transform:scale(1.04)}
.news-card .news-body{padding:18px 18px 22px;flex:1;display:flex;flex-direction:column}
.news-meta{display:flex;align-items:center;gap:10px;margin-bottom:10px;flex-wrap:wrap}
.news-tag{background:var(--bg-accent);color:var(--primary);font-size:12px;font-weight:600;padding:4px 10px;border-radius:var(--radius-badge);white-space:nowrap}
.news-date{font-size:13px;color:var(--text-muted)}
.news-card h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:8px;color:var(--text-primary)}
.news-card h3 a{color:inherit;transition:color var(--transition)}
.news-card h3 a:hover{color:var(--primary)}
.news-excerpt{font-size:14px;color:var(--text-secondary);line-height:1.65;margin-bottom:0}
.featured-card{background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm);transition:all var(--transition);height:100%}
.featured-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.featured-card .fc-cover{aspect-ratio:21/9;overflow:hidden;background:var(--bg-secondary)}
.featured-card .fc-cover img{width:100%;height:100%;object-fit:cover}
.featured-card .fc-body{padding:20px 22px 24px}
.featured-card .fc-badge{background:var(--accent);color:#fff;font-size:12px;font-weight:700;padding:4px 10px;border-radius:var(--radius-badge);display:inline-block;margin-bottom:10px}
.featured-card h3{font-size:18px;font-weight:700;line-height:1.45;margin-bottom:10px}
.featured-card p{font-size:14px;color:var(--text-secondary);margin-bottom:0;line-height:1.7}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-cloud .tag-pill{background:var(--bg-primary);border:1px solid var(--border);padding:8px 16px;border-radius:var(--radius-badge);font-size:14px;color:var(--text-primary);cursor:pointer;transition:all var(--transition)}
.tag-cloud .tag-pill:hover{background:var(--bg-accent);border-color:var(--primary);color:var(--primary)}
.trend-item{display:flex;align-items:center;gap:16px;padding:16px 18px;background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-card);margin-bottom:12px;transition:all var(--transition)}
.trend-item:hover{box-shadow:var(--shadow-sm);border-color:var(--primary-dark)}
.trend-rank{font-size:24px;font-weight:800;color:var(--primary);min-width:40px;text-align:center}
.trend-rank.hot{color:var(--accent)}
.trend-info h4{font-size:16px;font-weight:600;margin-bottom:4px}
.trend-info p{font-size:14px;color:var(--text-secondary);margin-bottom:0}
.report-card{background:var(--bg-accent);border-radius:var(--radius-card);padding:28px;height:100%;border:1px solid rgba(26,109,212,0.1)}
.report-card .rc-icon{font-size:32px;color:var(--primary);margin-bottom:14px}
.report-card h3{font-size:18px;font-weight:700;margin-bottom:10px}
.report-card p{font-size:15px;color:var(--text-secondary);margin-bottom:16px;line-height:1.7}
.report-card a{font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.report-card a:hover{color:var(--primary-dark)}
.cta-section{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);border-radius:var(--radius-card);padding:48px 40px;margin-bottom:0}
.cta-section h2{color:#fff;font-size:clamp(24px,2.6vw,30px);font-weight:700;margin-bottom:10px}
.cta-section p{color:rgba(255,255,255,0.85);font-size:16px;max-width:520px;margin-bottom:0;line-height:1.7}
.subscribe-form{display:flex;gap:10px;flex-direction:column}
.subscribe-form .form-group{display:flex;gap:10px}
.subscribe-form input{flex:1;height:44px;border:1px solid rgba(255,255,255,0.25);background:rgba(255,255,255,0.92);border-radius:var(--radius-btn);padding:0 16px;font-size:15px;color:var(--text-primary);transition:all var(--transition)}
.subscribe-form input:focus{border-color:#fff;box-shadow:0 0 0 3px rgba(255,255,255,0.2);background:#fff}
.subscribe-form button{height:44px;padding:0 24px;background:#fff;color:var(--primary-dark);border:none;border-radius:var(--radius-btn);font-weight:700;font-size:15px;cursor:pointer;transition:all var(--transition);white-space:nowrap}
.subscribe-form button:hover{background:var(--bg-accent);color:var(--primary-dark);box-shadow:0 4px 14px rgba(0,0,0,0.15)}
.view-more{text-align:center;margin-top:30px}
.view-more a{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--primary);font-size:15px;padding:10px 20px;border:1px solid var(--primary);border-radius:var(--radius-btn);transition:all var(--transition)}
.view-more a:hover{background:var(--primary);color:#fff}
.site-footer{background:var(--bg-secondary);border-top:1px solid var(--border);margin-top:0}
.site-footer .footer-main{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:32px;padding:56px 0 40px}
.site-footer .footer-brand p{font-size:14px;color:var(--text-secondary);line-height:1.7;margin-top:14px;margin-bottom:0;max-width:280px}
.site-footer .footer-brand .brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--primary-dark)}
.site-footer h5{font-size:15px;font-weight:700;color:var(--text-primary);margin-bottom:16px}
.site-footer .footer-col ul{list-style:none;padding:0;margin:0}
.site-footer .footer-col ul li{margin-bottom:10px}
.site-footer .footer-col ul a{font-size:14px;color:var(--text-secondary);transition:color var(--transition)}
.site-footer .footer-col ul a:hover{color:var(--primary)}
.site-footer .footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.site-footer .footer-tag{background:var(--bg-primary);border:1px solid var(--border);padding:6px 12px;border-radius:var(--radius-badge);font-size:13px;color:var(--text-secondary);transition:all var(--transition)}
.site-footer .footer-tag:hover{border-color:var(--primary);color:var(--primary);background:var(--bg-accent)}
.site-footer .footer-contact p{font-size:14px;color:var(--text-secondary);margin-bottom:8px;display:flex;align-items:flex-start;gap:8px}
.site-footer .footer-contact i{color:var(--primary);margin-top:4px;flex-shrink:0}
.site-footer .footer-bottom{background:var(--primary-dark);padding:18px 0}
.site-footer .footer-bottom p{font-size:13px;color:rgba(255,255,255,0.75);text-align:center;margin-bottom:0}
@media(max-width:991px){
:root{--section-padding:64px}
.section{padding:var(--section-padding) 0}
.site-footer .footer-main{grid-template-columns:1fr 1fr;gap:28px;padding:40px 0 28px}
.cat-hero{padding:40px 0 32px}
}
@media(max-width:768px){
:root{--section-padding:48px}
.section{padding:var(--section-padding) 0}
.navbar-nav .nav-link{padding:12px 14px;font-size:16px}
.navbar-nav{gap:2px;margin-top:8px;padding-bottom:12px}
.site-footer .footer-main{grid-template-columns:1fr;gap:24px;padding:32px 0 20px}
.cta-section{padding:32px 20px}
.subscribe-form .form-group{flex-direction:column}
.cat-hero{padding:32px 0 24px}
}
@media(max-width:520px){
.navbar-brand{font-size:18px}
.container{padding-left:14px;padding-right:14px}
.news-card h3{font-size:16px}
.featured-card h3{font-size:16px}
.trend-rank{font-size:20px;min-width:32px}
.html-body{font-size:14px}
}

/* roulang page: category6 */
:root {
            --primary: #1A6DD4;
            --primary-dark: #0F4FA0;
            --secondary: #0EA5E9;
            --bg-primary: #FFFFFF;
            --bg-secondary: #F5F7FA;
            --bg-accent: #EBF2FC;
            --text-primary: #1F2937;
            --text-secondary: #6B7280;
            --text-muted: #9CA3AF;
            --accent: #F59E0B;
            --success: #10B981;
            --danger: #EF4444;
            --border: #E2E8F0;
            --shadow-sm: 0 2px 8px rgba(15, 79, 160, 0.06);
            --shadow-md: 0 8px 24px rgba(15, 79, 160, 0.10);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 20px;
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Inter", "SF Pro", sans-serif;
            --section-padding: 64px;
            --section-padding-mobile: 48px;
            --container-max: 1140px;
            --nav-height: 68px;
            --transition: 0.24s ease;
        }

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            overflow-x: hidden;
        }

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

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

        button, input {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
            margin: 0 auto;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 0 rgba(15, 79, 160, 0.04);
            min-height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .site-header .navbar {
            padding: 0;
            min-height: var(--nav-height);
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--primary-dark);
            letter-spacing: 0.5px;
            padding: 0;
        }
        .navbar-brand:hover {
            color: var(--primary);
        }
        .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            flex-shrink: 0;
        }
        .navbar-nav {
            gap: 6px;
        }
        .navbar-nav .nav-link {
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 500;
            padding: 10px 14px;
            border-radius: var(--radius-badge);
            position: relative;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .navbar-nav .nav-link:hover {
            color: var(--primary-dark);
            background: var(--bg-accent);
        }
        .navbar-nav .nav-link.active {
            color: var(--primary);
            background: var(--bg-accent);
            font-weight: 600;
        }
        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-cta {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 9px 18px;
            font-size: 14px;
            font-weight: 600;
            height: 40px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }
        .navbar-toggler {
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            padding: 8px 12px;
            font-size: 20px;
            color: var(--text-primary);
            box-shadow: none;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(26, 109, 212, 0.12);
            border-color: var(--primary);
        }
        .navbar-collapse {
            gap: 12px;
        }

        /* ===== 通用 section ===== */
        .section {
            padding: var(--section-padding) 0;
        }
        .section-alt {
            background: var(--bg-secondary);
        }
        .section-accent {
            background: var(--bg-accent);
        }
        .section-title {
            font-size: clamp(26px, 3vw, 32px);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .section-head {
            margin-bottom: 40px;
        }

        /* ===== 按钮 ===== */
        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 11px 22px;
            font-size: 16px;
            font-weight: 600;
            height: 44px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .btn-primary-custom:active {
            transform: translateY(1px);
            box-shadow: var(--shadow-sm);
        }
        .btn-primary-custom:focus-visible {
            outline: 3px solid rgba(26, 109, 212, 0.35);
            outline-offset: 2px;
        }
        .btn-outline-custom {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            border-radius: var(--radius-btn);
            padding: 10px 22px;
            font-size: 16px;
            font-weight: 600;
            height: 44px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
        }
        .btn-outline-custom:hover {
            background: var(--bg-accent);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }
        .btn-outline-custom:focus-visible {
            outline: 3px solid rgba(26, 109, 212, 0.25);
            outline-offset: 2px;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }
        .breadcrumb-nav a:hover {
            color: var(--primary);
        }
        .breadcrumb-nav .sep {
            color: var(--text-muted);
            font-size: 12px;
        }
        .breadcrumb-nav .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== H1 横幅区 ===== */
        .category-hero {
            background: var(--bg-primary);
            padding: 56px 0 40px;
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(26, 109, 212, 0.08), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(14, 165, 233, 0.08), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
        }
        .category-hero h1 {
            font-size: clamp(32px, 4vw, 40px);
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .category-hero .hero-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== 教程列表主体 ===== */
        .tutorial-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .tutorial-card {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 22px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .tutorial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(26, 109, 212, 0.3);
        }
        .tutorial-card .tutorial-cover {
            width: 120px;
            height: 90px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            color: var(--primary);
        }
        .tutorial-card .tutorial-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .tutorial-card .tutorial-body {
            flex: 1;
            min-width: 0;
        }
        .tutorial-card .tutorial-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 6px;
        }
        .tutorial-card .tutorial-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: var(--bg-accent);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-badge);
        }
        .tutorial-card .read-time {
            font-size: 13px;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .tutorial-card .tutorial-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .tutorial-card .tutorial-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .view-all-wrap {
            margin-top: 28px;
            text-align: center;
        }
        .view-all-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition);
        }
        .view-all-link:hover {
            color: var(--primary-dark);
            gap: 12px;
        }

        /* ===== 新手入门 ===== */
        .starter-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .starter-card {
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            text-align: center;
        }
        .starter-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .starter-card .starter-icon {
            width: 56px;
            height: 56px;
            background: var(--bg-accent);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
            margin: 0 auto 16px;
        }
        .starter-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .starter-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== 数据名词解释 ===== */
        .glossary-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 860px;
        }
        .glossary-accordion {
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .glossary-accordion.open {
            border-color: var(--primary);
        }
        .glossary-accordion .glossary-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 20px;
            cursor: pointer;
            background: transparent;
            border: none;
            width: 100%;
            font-family: inherit;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            transition: all var(--transition);
        }
        .glossary-accordion .glossary-header:hover {
            background: var(--bg-secondary);
        }
        .glossary-accordion .glossary-header .term {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .glossary-accordion .glossary-header .term-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--bg-accent);
            border-radius: 8px;
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            flex-shrink: 0;
        }
        .glossary-accordion .glossary-header .toggle-icon {
            color: var(--text-muted);
            font-size: 14px;
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .glossary-accordion.open .glossary-header .toggle-icon {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .glossary-accordion .glossary-body {
            display: none;
            padding: 0 20px 20px 62px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .glossary-accordion.open .glossary-body {
            display: block;
        }

        /* ===== 常见误区 ===== */
        .misconception-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .misconception-card {
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-left: 4px solid var(--danger);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .misconception-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .misconception-card .misconception-icon {
            font-size: 22px;
            color: var(--danger);
            margin-bottom: 10px;
            display: block;
        }
        .misconception-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .misconception-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== 学习路径 ===== */
        .path-flow {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: stretch;
        }
        .path-step {
            flex: 1 1 200px;
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            position: relative;
            text-align: center;
        }
        .path-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .path-step .step-number {
            font-size: 36px;
            font-weight: 800;
            font-family: var(--font-num);
            color: var(--bg-accent);
            line-height: 1;
            margin-bottom: 12px;
            display: block;
        }
        .path-step h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .path-step p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== 相关分类入口 ===== */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .related-card {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 22px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .related-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(26, 109, 212, 0.35);
        }
        .related-card .related-icon {
            width: 52px;
            height: 52px;
            background: var(--bg-accent);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            flex-shrink: 0;
        }
        .related-card .related-text h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .related-card .related-text p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 8px;
        }
        .related-card .related-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .related-card:hover .related-link {
            gap: 10px;
        }

        /* ===== 订阅 CTA ===== */
        .subscribe-section {
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
        }
        .subscribe-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -20px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(14, 165, 233, 0.08), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .subscribe-section .subscribe-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .subscribe-section .subscribe-title {
            font-size: clamp(22px, 2.5vw, 28px);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .subscribe-section .subscribe-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            align-items: center;
            flex-wrap: wrap;
        }
        .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 200px;
            height: 44px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            padding: 0 16px;
            font-size: 14px;
            color: var(--text-primary);
            background: var(--bg-primary);
            transition: all var(--transition);
        }
        .subscribe-form input[type="email"]:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 109, 212, 0.1);
        }
        .subscribe-form input[type="email"]::placeholder {
            color: var(--text-muted);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            padding-top: 56px;
            margin-top: 0;
        }
        .site-footer .footer-main {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr 1.2fr;
            gap: 36px;
            padding-bottom: 40px;
        }
        .site-footer .footer-brand .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 18px;
            color: var(--primary-dark);
            margin-bottom: 12px;
        }
        .site-footer .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
            max-width: 280px;
        }
        .site-footer .footer-col h5 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .site-footer .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .site-footer .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color var(--transition);
        }
        .site-footer .footer-col ul li a:hover {
            color: var(--primary);
        }
        .site-footer .footer-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .site-footer .footer-tag {
            font-size: 13px;
            color: var(--text-secondary);
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-badge);
            padding: 4px 12px;
            transition: all var(--transition);
        }
        .site-footer .footer-tag:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: var(--bg-accent);
        }
        .site-footer .footer-contact p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .site-footer .footer-contact p:last-child {
            margin-bottom: 0;
        }
        .site-footer .footer-contact i {
            color: var(--primary);
            width: 16px;
            text-align: center;
        }
        .site-footer .footer-bottom {
            background: var(--primary-dark);
            padding: 16px 0;
        }
        .site-footer .footer-bottom p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 13px;
            margin-bottom: 0;
            text-align: center;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 992px) {
            .site-footer .footer-main {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .misconception-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .starter-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-padding: var(--section-padding-mobile);
            }
            .navbar-nav {
                padding: 16px 0;
                gap: 2px;
            }
            .navbar-nav .nav-link {
                padding: 12px 16px;
                font-size: 16px;
                text-align: left;
            }
            .navbar-nav .nav-link.active::after {
                display: none;
            }
            .nav-cta {
                margin: 12px 16px;
                justify-content: center;
            }
            .category-hero {
                padding: 40px 0 28px;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .tutorial-card {
                flex-direction: column;
                padding: 16px;
                gap: 14px;
            }
            .tutorial-card .tutorial-cover {
                width: 100%;
                height: 120px;
            }
            .subscribe-section {
                padding: 32px 20px;
            }
            .subscribe-section .subscribe-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .misconception-grid {
                grid-template-columns: 1fr;
            }
            .starter-grid {
                grid-template-columns: 1fr;
            }
            .path-flow {
                flex-direction: column;
            }
            .site-footer .footer-main {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 576px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-title {
                font-size: 22px;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .tutorial-card .tutorial-body .tutorial-title {
                font-size: 15px;
            }
            .subscribe-form {
                flex-direction: column;
                align-items: stretch;
            }
            .subscribe-form input[type="email"] {
                min-width: 100%;
            }
        }

/* 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}