/* roulang page: index */
:root {
            --primary: #1E63D0;
            --primary-dark: #164D9F;
            --primary-light: #E8F0FE;
            --accent: #10B8C7;
            --accent-light: #E6F9FB;
            --text-dark: #1F2937;
            --text-muted: #6B7280;
            --text-light: #9CA3AF;
            --border: #E5E7EB;
            --border-light: #EBEEF5;
            --bg-blue: #F0F4FF;
            --bg-body: #F5F7FB;
            --bg-card: #FFFFFF;
            --bg-footer: #0F1D32;
            --green: #17A34A;
            --green-light: #E8F7EE;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(30, 64, 110, 0.06);
            --shadow-md: 0 4px 14px rgba(30, 64, 110, 0.06);
            --shadow-lg: 0 12px 28px rgba(30, 64, 110, 0.12);
            --shadow-hover: 0 16px 36px rgba(30, 64, 110, 0.16);
            --transition: all 0.25s ease;
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --header-height: 68px;
            --bottom-tab-height: 64px;
            --section-spacing: 88px;
            --card-gap: 24px;
            --card-padding: 28px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-stack);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-dark);
            background: var(--bg-body);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }

        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border-radius: var(--radius-sm);
            border: 1px solid #D1D5DB;
            padding: 12px 16px;
            background: var(--bg-card);
            color: var(--text-dark);
            transition: var(--transition);
            width: 100%;
            outline: none;
        }

        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 99, 208, 0.12);
        }

        input::placeholder {
            color: var(--text-light);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ========== 顶部导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            gap: 20px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 22px;
            color: var(--text-dark);
            letter-spacing: 0.5px;
        }

        .logo:hover {
            color: var(--text-dark);
        }

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

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }

        .nav-desktop a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-desktop a:hover {
            color: var(--primary);
            background: var(--bg-blue);
        }

        .nav-desktop a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 3px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition);
            line-height: 1.5;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn:active {
            transform: scale(0.98);
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-md);
        }

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

        .btn-secondary {
            background: var(--bg-card);
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }

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

        .btn-ghost {
            background: transparent;
            color: var(--text-muted);
            border: 1px solid var(--border);
        }

        .btn-ghost:hover {
            background: var(--bg-blue);
            border-color: var(--primary);
            color: var(--primary);
        }

        .btn-sm {
            padding: 7px 16px;
            font-size: 13px;
            border-radius: 8px;
        }

        .btn-lg {
            padding: 14px 28px;
            font-size: 15px;
            border-radius: 12px;
        }

        /* 汉堡按钮 */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 6px;
            cursor: pointer;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--text-dark);
            border-radius: 3px;
            transition: var(--transition);
        }

        /* ========== Hero ========== */
        .hero {
            background: var(--bg-blue);
            padding: 70px 0 60px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(30, 99, 208, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -140px;
            left: -60px;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(16, 184, 199, 0.07) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .hero-content {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--green-light);
            color: var(--green);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            width: fit-content;
            letter-spacing: 0.3px;
        }

        .hero-badge .dot {
            width: 6px;
            height: 6px;
            background: var(--green);
            border-radius: 50%;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        .hero h1 {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-dark);
            letter-spacing: -0.5px;
            margin: 0;
        }

        .hero-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 520px;
        }

        .hero-points {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .hero-points li {
            display: flex;
            align-items: center;
            gap: 7px;
            font-size: 13.5px;
            color: var(--text-dark);
            font-weight: 500;
        }

        .hero-points li::before {
            content: '✓';
            color: var(--green);
            font-weight: 700;
            font-size: 14px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 4px;
        }

        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            margin-top: 6px;
            padding-top: 18px;
            border-top: 1px solid var(--border);
        }

        .hero-trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .hero-trust-item .num {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            min-height: 320px;
            background: var(--bg-card);
        }

        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }

        .hero-visual-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 24px;
            background: linear-gradient(to top, rgba(15, 29, 50, 0.85) 0%, rgba(15, 29, 50, 0.2) 60%, transparent 100%);
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .hero-visual-overlay .match-info {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
        }

        .hero-visual-overlay .match-teams {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
        }

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

        .section-alt {
            background: var(--bg-card);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .section-header {
            margin-bottom: 36px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .section-header.center {
            align-items: center;
            text-align: center;
        }

        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: 20px;
            width: fit-content;
        }

        .section-title {
            font-size: 30px;
            font-weight: 600;
            line-height: 1.3;
            color: var(--text-dark);
            letter-spacing: -0.3px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 640px;
        }

        .section-header.center .section-desc {
            margin: 0 auto;
        }

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

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

        .card-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 16px;
            aspect-ratio: 16/9;
            background: var(--bg-blue);
        }

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

        .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 3px 10px;
            border-radius: 14px;
            margin-bottom: 10px;
        }

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

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

        .card-date {
            font-size: 12px;
            color: var(--text-light);
        }

        /* 网格 */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }

        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--card-gap);
        }

        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--card-gap);
        }

        /* 痛点板块 */
        .pain-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .pain-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .pain-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 16px 18px;
            font-size: 14.5px;
            color: var(--text-dark);
            transition: var(--transition);
        }

        .pain-list li:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-md);
        }

        .pain-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: #FEF2F2;
            color: #DC2626;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }

        /* 解决方案 */
        .solution-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .solution-list li {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            display: flex;
            gap: 14px;
            align-items: flex-start;
            transition: var(--transition);
        }

        .solution-list li:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }

        .solution-num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .solution-list .sol-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 4px;
        }

        .solution-list .sol-desc {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* 场景演示 */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }

        .scene-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
        }

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

        .scene-card .scene-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--bg-blue);
        }

        .scene-card .scene-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .scene-card .scene-body {
            padding: 20px 22px;
        }

        .scene-card .scene-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
        }

        .scene-card .scene-desc {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 社会认同 */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }

        .testimonial-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: var(--transition);
        }

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

        .testimonial-quote {
            font-size: 14px;
            color: var(--text-dark);
            line-height: 1.75;
            flex: 1;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
        }

        .testimonial-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
            flex-shrink: 0;
        }

        /* 资讯卡片 */
        .news-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }

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

        .news-card .news-img {
            aspect-ratio: 16/8;
            overflow: hidden;
        }

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

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

        .news-meta {
            display: flex;
            gap: 12px;
            font-size: 12px;
            color: var(--text-light);
            margin-bottom: 8px;
        }

        .news-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.45;
            margin-bottom: 8px;
        }

        .news-desc {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }

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

        .news-link:hover {
            color: var(--primary-dark);
            gap: 7px;
        }

        /* 对比差异 */
        .compare-table {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }

        .compare-row {
            display: grid;
            grid-template-columns: 1fr 1.2fr 1fr;
            align-items: center;
            padding: 16px 24px;
            border-bottom: 1px solid var(--border-light);
            font-size: 14px;
            transition: var(--transition);
        }

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

        .compare-row.header-row {
            background: var(--bg-blue);
            font-weight: 700;
            font-size: 14px;
            color: var(--text-dark);
        }

        .compare-row:hover {
            background: #FAFCFF;
        }

        .compare-label {
            font-weight: 600;
            color: var(--text-dark);
        }

        .compare-highlight {
            color: var(--primary);
            font-weight: 600;
        }

        .compare-normal {
            color: var(--text-muted);
        }

        /* 保障条 */
        .guarantee-bar {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 28px 32px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            box-shadow: var(--shadow-sm);
        }

        .guarantee-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

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

        .guarantee-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 3px;
        }

        .guarantee-desc {
            font-size: 12.5px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 数据速览 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .stat-item {
            text-align: center;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 22px 16px;
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .stat-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }

        .stat-num {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 12.5px;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* 专题入口 */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }

        .topic-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 16/10;
            cursor: pointer;
            transition: var(--transition);
        }

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

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

        .topic-card .topic-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px;
            background: linear-gradient(to top, rgba(15, 29, 50, 0.88) 0%, rgba(15, 29, 50, 0.4) 60%, transparent 100%);
        }

        .topic-card .topic-title {
            color: #fff;
            font-size: 17px;
            font-weight: 600;
            line-height: 1.4;
        }

        .topic-card .topic-count {
            color: rgba(255, 255, 255, 0.75);
            font-size: 12px;
            margin-top: 4px;
        }

        /* 球迷社区 */
        .community-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        .community-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .community-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-weight: 700;
            font-size: 15px;
            flex-shrink: 0;
        }

        .community-content {
            flex: 1;
        }

        .community-title {
            font-size: 14.5px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 3px;
        }

        .community-meta {
            font-size: 12px;
            color: var(--text-light);
        }

        .community-arrow {
            color: var(--text-light);
            font-size: 18px;
            flex-shrink: 0;
            transition: var(--transition);
        }

        .community-item:hover .community-arrow {
            color: var(--primary);
            transform: translateX(3px);
        }

        /* 品牌介绍 */
        .brand-intro {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 36px 40px;
            box-shadow: var(--shadow-sm);
            line-height: 1.9;
            font-size: 15px;
            color: var(--text-dark);
        }

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

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

        /* 订阅表单 */
        .subscribe-box {
            background: var(--bg-blue);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border);
            padding: 48px 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }

        .subscribe-info h2 {
            font-size: 26px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 10px;
        }

        .subscribe-info p {
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.75;
        }

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

        .subscribe-form input {
            flex: 1;
            border-radius: 10px;
            padding: 13px 18px;
            font-size: 14px;
        }

        /* 底部固定转化条 */
        .floating-cta {
            position: fixed;
            z-index: 900;
            bottom: 24px;
            right: 24px;
            background: var(--bg-card);
            border-radius: 16px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-lg);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 14px;
            max-width: 360px;
            transition: var(--transition);
        }

        .floating-cta .fc-text {
            font-size: 13px;
            color: var(--text-dark);
            font-weight: 500;
            line-height: 1.5;
        }

        .floating-cta .fc-close {
            position: absolute;
            top: -8px;
            right: -8px;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--text-muted);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid #fff;
        }

        .floating-cta .fc-close:hover {
            background: #DC2626;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-footer);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 30px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 36px;
            margin-bottom: 40px;
        }

        .footer-brand .logo {
            color: #fff;
            font-size: 20px;
            margin-bottom: 14px;
        }

        .footer-brand .logo:hover {
            color: #fff;
        }

        .footer-brand p {
            font-size: 13.5px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

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

        .footer-col ul a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13.5px;
            transition: var(--transition);
        }

        .footer-col ul a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 12.5px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 12.5px;
        }

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

        /* ========== 移动端底部Tab ========== */
        .bottom-tabs {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 950;
            background: #fff;
            border-top: 1px solid var(--border);
            height: var(--bottom-tab-height);
            box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.06);
        }

        .bottom-tabs .tab-inner {
            display: flex;
            align-items: stretch;
            justify-content: space-around;
            height: 100%;
            max-width: 400px;
            margin: 0 auto;
        }

        .bottom-tabs a {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            font-size: 10.5px;
            color: var(--text-muted);
            font-weight: 500;
            transition: var(--transition);
            text-decoration: none;
        }

        .bottom-tabs a .tab-icon {
            font-size: 18px;
            line-height: 1;
        }

        .bottom-tabs a.active {
            color: var(--primary);
            font-weight: 600;
        }

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

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            :root {
                --section-spacing: 64px;
                --card-padding: 22px;
                --header-height: 60px;
            }
            .hero .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero h1 {
                font-size: 34px;
            }
            .hero-visual {
                min-height: 240px;
                max-height: 320px;
            }
            .hero-visual img {
                min-height: 240px;
            }
            .grid-3, .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .scene-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .guarantee-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
                padding: 22px 24px;
            }
            .stats-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 12px;
            }
            .pain-section {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .solution-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .subscribe-box {
                grid-template-columns: 1fr;
            }
            .compare-row {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
                padding: 14px 16px;
            }
            .compare-row.header-row {
                display: none;
            }
            .nav-desktop {
                gap: 2px;
            }
            .nav-desktop a {
                padding: 6px 10px;
                font-size: 13px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-spacing: 52px;
                --card-gap: 16px;
                --card-padding: 20px;
                --header-height: 56px;
            }
            .nav-desktop {
                display: none !important;
            }
            .nav-cta .btn {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .bottom-tabs {
                display: block;
            }
            body {
                padding-bottom: calc(var(--bottom-tab-height) + 10px);
            }
            .hero {
                padding: 44px 0 36px;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 14.5px;
            }
            .hero-visual {
                min-height: 200px;
            }
            .hero-visual img {
                min-height: 200px;
            }
            .grid-3, .grid-2, .grid-4 {
                grid-template-columns: 1fr;
            }
            .scene-grid {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .guarantee-bar {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .stat-num {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .brand-intro {
                padding: 24px 20px;
                font-size: 14px;
            }
            .subscribe-box {
                padding: 28px 20px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .section-title {
                font-size: 24px;
            }
            .floating-cta {
                bottom: calc(var(--bottom-tab-height) + 12px);
                right: 12px;
                left: 12px;
                max-width: none;
                border-radius: 12px;
            }
            .compare-row {
                grid-template-columns: 1fr;
                gap: 4px;
            }
            .container {
                padding: 0 16px;
            }
            .site-header .container {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 24px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-trust {
                gap: 12px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .topic-card {
                aspect-ratio: 16/9;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1E63D0;
            --primary-dark: #164D9F;
            --primary-light: #E8F0FE;
            --accent: #10B8C7;
            --accent-light: #E6F9FB;
            --text-dark: #1F2937;
            --text-muted: #6B7280;
            --text-light: #9CA3AF;
            --border: #E5E7EB;
            --border-light: #EBEEF5;
            --bg-blue: #F0F4FF;
            --bg-body: #F5F7FB;
            --bg-card: #FFFFFF;
            --bg-footer: #0F1D32;
            --green: #17A34A;
            --green-light: #E8F7EE;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(30, 64, 110, 0.06);
            --shadow-md: 0 4px 14px rgba(30, 64, 110, 0.06);
            --shadow-lg: 0 12px 28px rgba(30, 64, 110, 0.12);
            --shadow-hover: 0 16px 36px rgba(30, 64, 110, 0.16);
            --transition: all 0.25s ease;
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --header-height: 68px;
            --bottom-tab-height: 64px;
            --section-spacing: 64px;
            --card-gap: 24px;
            --card-padding: 28px;
        }
        @media (max-width: 1024px) {
            :root {
                --section-spacing: 52px;
                --card-padding: 22px;
                --card-gap: 16px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-spacing: 40px;
                --card-padding: 20px;
                --card-gap: 16px;
                --header-height: 60px;
            }
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-stack);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-dark);
            background: var(--bg-body);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: calc(var(--bottom-tab-height) + 20px);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border-radius: var(--radius-sm);
            border: 1px solid #D1D5DB;
            padding: 12px 16px;
            background: var(--bg-card);
            color: var(--text-dark);
            transition: var(--transition);
            width: 100%;
            outline: none;
        }
        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 99, 208, 0.12);
        }
        input::placeholder {
            color: var(--text-light);
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        /* ========== 顶部导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            gap: 20px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 22px;
            color: var(--text-dark);
            letter-spacing: 0.5px;
        }
        .logo:hover {
            color: var(--text-dark);
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            flex-shrink: 0;
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }
        .nav-desktop a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .nav-desktop a:hover {
            color: var(--primary);
            background: var(--bg-blue);
        }
        .nav-desktop a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 10px;
            padding: 12px 24px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
            line-height: 1.4;
            white-space: nowrap;
            cursor: pointer;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border: 1px solid var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-outline {
            background: var(--bg-card);
            color: var(--primary);
            border: 1px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--bg-blue);
            color: var(--primary-dark);
        }
        .btn-outline:active {
            transform: scale(0.98);
        }
        .btn-outline:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 8px;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2.5px;
            background: var(--text-dark);
            border-radius: 2px;
            transition: var(--transition);
        }
        .hamburger:hover {
            background: var(--bg-blue);
        }
        .hamburger:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        /* 移动底部 Tab */
        .bottom-tabs {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            height: var(--bottom-tab-height);
            background: #fff;
            border-top: 1px solid var(--border);
            z-index: 999;
            box-shadow: 0 -2px 12px rgba(30, 64, 110, 0.08);
        }
        .bottom-tabs-inner {
            display: flex;
            align-items: stretch;
            justify-content: space-around;
            height: 100%;
        }
        .bottom-tab {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
            color: var(--text-muted);
            font-size: 11px;
            transition: var(--transition);
            border-radius: 0;
        }
        .bottom-tab svg,
        .bottom-tab .tab-icon {
            width: 22px;
            height: 22px;
            flex-shrink: 0;
        }
        .bottom-tab.active {
            color: var(--primary);
            font-weight: 600;
        }
        .bottom-tab:hover {
            color: var(--primary);
            background: var(--bg-blue);
        }
        .bottom-tab:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: -2px;
        }
        /* ========== 主内容 ========== */
        main {
            display: block;
        }
        .section {
            padding: var(--section-spacing) 0;
        }
        .section-alt {
            background: var(--bg-blue);
        }
        .section-white {
            background: var(--bg-card);
        }
        .section-title {
            font-size: 28px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 12px;
            letter-spacing: -0.2px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            margin-bottom: 28px;
            max-width: 720px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--card-gap);
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--card-gap);
        }
        /* 卡片 */
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: var(--card-padding);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }
        .card-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 16px;
            aspect-ratio: 16/9;
            background: var(--bg-blue);
        }
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .card:hover .card-img img {
            transform: scale(1.03);
        }
        .card-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 50px;
            margin-bottom: 8px;
            align-self: flex-start;
        }
        .card-title {
            font-size: 19px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-summary {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .card-meta {
            font-size: 12px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .btn-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .btn-link:hover {
            color: var(--primary-dark);
            gap: 8px;
        }
        .btn-link:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        /* 面包屑 */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: var(--text-light);
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 500;
        }
        /* 轻量页头 */
        .page-header {
            background: var(--bg-blue);
            padding: 40px 0 36px;
            border-bottom: 1px solid var(--border);
        }
        .page-header h1 {
            font-size: 36px;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 8px;
        }
        .page-header .desc {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 700px;
        }
        /* 数据速览 */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--card-gap);
        }
        .stat-box {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 24px 20px;
            text-align: center;
        }
        .stat-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
            letter-spacing: -0.5px;
        }
        .stat-label {
            font-size: 13px;
            color: var(--text-muted);
        }
        /* 横向列表 */
        .team-row {
            display: flex;
            align-items: center;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 16px 20px;
            margin-bottom: 16px;
            transition: var(--transition);
            gap: 16px;
        }
        .team-row:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }
        .team-row .team-badge {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: var(--bg-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }
        .team-row .team-info {
            flex: 1;
        }
        .team-row .team-name {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 2px;
        }
        .team-row .team-league {
            font-size: 13px;
            color: var(--text-muted);
        }
        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: 10px;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--bg-card);
            transition: var(--transition);
        }
        .faq-item:hover {
            background: #F6F9FF;
            border-color: var(--primary);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-dark);
            text-align: left;
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: -2px;
        }
        .faq-icon {
            font-size: 22px;
            color: var(--primary);
            flex-shrink: 0;
            margin-left: 12px;
            transition: var(--transition);
        }
        .faq-answer {
            display: none;
            padding: 0 20px 16px;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        /* 订阅区 */
        .subscribe-box {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-md);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .subscribe-left {
            flex: 1;
            min-width: 260px;
        }
        .subscribe-title {
            font-size: 22px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .subscribe-desc {
            font-size: 14px;
            color: var(--text-muted);
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            min-width: 280px;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 180px;
        }
        /* 固定转化条 */
        .floating-cta {
            position: fixed;
            bottom: 24px;
            right: 24px;
            z-index: 998;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-hover);
            border: 1px solid var(--border-light);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            max-width: 340px;
        }
        .floating-cta p {
            font-size: 13px;
            color: var(--text-dark);
            font-weight: 500;
        }
        .floating-cta .close-btn {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 18px;
            transition: var(--transition);
        }
        .floating-cta .close-btn:hover {
            background: var(--bg-blue);
            color: var(--primary);
        }
        .floating-cta .close-btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        /* 页脚 */
        .site-footer {
            background: var(--bg-footer);
            color: #C5D0E0;
            padding: 48px 0 24px;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand p {
            margin-top: 12px;
            font-size: 13px;
            line-height: 1.7;
            color: #AAB7CC;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col li {
            margin-bottom: 8px;
        }
        .footer-col a {
            color: #C5D0E0;
            font-size: 13px;
        }
        .footer-col a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: #8E9DB5;
        }
        .footer-bottom a {
            color: #8E9DB5;
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        /* 响应式 */
        @media (max-width: 1024px) {
            .grid-3, .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .nav-desktop {
                display: none;
            }
            .nav-cta .btn {
                display: none;
            }
            .bottom-tabs {
                display: block;
            }
            .grid-2, .grid-3, .grid-4 {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .floating-cta {
                bottom: calc(var(--bottom-tab-height) + 16px);
                right: 16px;
                left: 16px;
                max-width: none;
                justify-content: space-between;
            }
            .subscribe-box {
                flex-direction: column;
                align-items: stretch;
                text-align: left;
            }
            .page-header h1 {
                font-size: 28px;
            }
            .section-title {
                font-size: 24px;
            }
            .team-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
            .btn {
                width: 100%;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --primary: #1E63D0;
  --primary-dark: #164D9F;
  --primary-light: #E8F0FE;
  --accent: #10B8C7;
  --accent-light: #E6F9FB;
  --text-dark: #1F2937;
  --text-muted: #6B7280;
  --text-light: #9CA3AF;
  --border: #E5E7EB;
  --border-light: #EBEEF5;
  --bg-blue: #F0F4FF;
  --bg-body: #F5F7FB;
  --bg-card: #FFFFFF;
  --bg-footer: #0F1D32;
  --green: #17A34A;
  --green-light: #E8F7EE;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --shadow-sm: 0 1px 3px rgba(30,64,110,0.06);
  --shadow-md: 0 4px 14px rgba(30,64,110,0.06);
  --shadow-lg: 0 12px 28px rgba(30,64,110,0.12);
  --shadow-hover: 0 16px 36px rgba(30,64,110,0.16);
  --transition: all 0.25s ease;
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --container-max: 1200px;
  --header-height: 68px;
  --bottom-tab-height: 64px;
  --section-spacing: 72px;
  --card-gap: 24px;
  --card-padding: 28px;
}

/* ===== Reset ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font-stack);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dark);
  background: var(--bg-body);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}
a:hover {
  color: var(--primary-dark);
}
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  font-size: inherit;
  color: inherit;
}
ul, ol {
  list-style: none;
}
input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  border-radius: var(--radius-sm);
  border: 1px solid #D1D5DB;
  padding: 12px 16px;
  background: var(--bg-card);
  color: var(--text-dark);
  transition: var(--transition);
  width: 100%;
  outline: none;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(30,99,208,0.12);
}
input::placeholder {
  color: var(--text-light);
}

/* ===== 容器 ===== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  height: var(--header-height);
  display: flex;
  align-items: center;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  gap: 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  font-weight: 700;
  font-size: 22px;
  color: var(--text-dark);
  letter-spacing: 0.5px;
}
.logo:hover {
  color: var(--text-dark);
}
.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  flex-shrink: 0;
}
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.nav-desktop a {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
  white-space: nowrap;
  position: relative;
}
.nav-desktop a:hover {
  color: var(--primary);
  background: var(--bg-blue);
}
.nav-desktop a.active {
  color: var(--primary);
  font-weight: 600;
}
.nav-desktop a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 14px;
  right: 14px;
  height: 2.5px;
  background: var(--primary);
  border-radius: 2px;
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger:hover {
  background: var(--bg-blue);
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1.4;
  transition: var(--transition);
  gap: 8px;
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.btn:active {
  transform: scale(0.98);
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
}
.btn-outline {
  background: #fff;
  color: var(--primary);
  border-color: var(--border);
}
.btn-outline:hover {
  background: var(--bg-blue);
  border-color: var(--primary);
  color: var(--primary);
}
.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
  border-radius: 8px;
}
.btn-lg {
  padding: 14px 32px;
  font-size: 16px;
  border-radius: 12px;
}

/* ===== 移动端底部 Tab ===== */
.bottom-tabs {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #fff;
  border-top: 1px solid var(--border);
  height: var(--bottom-tab-height);
  z-index: 999;
  box-shadow: 0 -2px 10px rgba(30,64,110,0.08);
}
.bottom-tab {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}
.bottom-tab .tab-icon {
  font-size: 20px;
  line-height: 1;
}
.bottom-tab:hover {
  color: var(--primary);
  background: var(--bg-blue);
}
.bottom-tab.active {
  color: var(--primary);
  font-weight: 600;
}
.bottom-tab.active::after {
  content: '';
  position: absolute;
  top: 0;
  left: 30%;
  right: 30%;
  height: 2.5px;
  background: var(--primary);
  border-radius: 0 0 3px 3px;
}

/* ===== 面包屑 ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.breadcrumb a {
  color: var(--text-muted);
  transition: var(--transition);
}
.breadcrumb a:hover {
  color: var(--primary);
}
.breadcrumb .separator {
  color: var(--text-light);
  user-select: none;
}

/* ===== 分类页头 ===== */
.page-hero {
  background: var(--bg-blue);
  border-bottom: 1px solid var(--border-light);
  padding: 48px 0 40px;
}
.page-hero h1 {
  font-size: 38px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}
.page-hero .hero-desc {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 680px;
  line-height: 1.8;
}
.page-hero .hero-meta {
  display: flex;
  gap: 20px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.page-hero .hero-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
  background: #fff;
  padding: 6px 14px;
  border-radius: 30px;
  border: 1px solid var(--border-light);
}

/* ===== 通用 section ===== */
.section {
  padding: var(--section-spacing) 0;
}
.section-alt {
  background: #fff;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}
.section-head {
  margin-bottom: 32px;
}
.section-head h2 {
  font-size: 28px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 8px;
  letter-spacing: 0.3px;
}
.section-head p {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 620px;
  line-height: 1.7;
}

/* ===== 赛事卡片网格 ===== */
.schedule-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--card-gap);
}
.schedule-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.schedule-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}
.schedule-card .card-image {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg-blue);
}
.schedule-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.schedule-card:hover .card-image img {
  transform: scale(1.04);
}
.schedule-card .card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(255,255,255,0.95);
  border: 1px solid var(--border-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 30px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  backdrop-filter: blur(4px);
}
.schedule-card .card-body {
  padding: 20px 22px 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.schedule-card .card-date {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
}
.schedule-card .card-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 8px;
  line-height: 1.5;
}
.schedule-card .card-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 14px;
  flex: 1;
}
.schedule-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: var(--transition);
}
.schedule-card .card-link:hover {
  color: var(--primary-dark);
  gap: 8px;
}

/* ===== 数据速览条 ===== */
.stats-bar {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
  padding: 28px 32px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.stat-item {
  text-align: center;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.stat-item:hover {
  background: var(--bg-blue);
}
.stat-item .stat-number {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
}
.stat-item .stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ===== 本周焦点 ===== */
.focus-panel {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
}
.focus-panel .focus-image {
  position: relative;
  min-height: 320px;
  background: var(--bg-blue);
}
.focus-panel .focus-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}
.focus-panel .focus-image .focus-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--primary);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 30px;
  z-index: 2;
}
.focus-panel .focus-content {
  padding: 36px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.focus-panel .focus-content h3 {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 12px;
  line-height: 1.4;
}
.focus-panel .focus-content p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
}
.focus-panel .focus-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.focus-panel .focus-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-blue);
  padding: 6px 14px;
  border-radius: 30px;
}

/* ===== 观赛贴士 ===== */
.tips-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--card-gap);
}
.tip-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  padding: 26px 24px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.tip-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
  transform: translateY(-2px);
}
.tip-card .tip-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--bg-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 20px;
}
.tip-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-dark);
}
.tip-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-card);
  transition: var(--transition);
  overflow: hidden;
}
.faq-item:hover {
  background: #F6F9FF;
  border-color: var(--border-light);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-dark);
  text-align: left;
  gap: 16px;
  transition: var(--transition);
}
.faq-question:hover {
  color: var(--primary);
}
.faq-question .faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 18px;
  font-weight: 700;
  transition: var(--transition);
}
.faq-item.open .faq-question .faq-icon {
  background: var(--primary);
  color: #fff;
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 22px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.8;
}
.faq-item.open .faq-answer {
  max-height: 200px;
  padding: 0 22px 18px;
}

/* ===== 订阅 CTA ===== */
.cta-box {
  background: var(--bg-blue);
  border-radius: var(--radius-xl);
  border: 1px solid var(--primary-light);
  padding: 48px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-box::after {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(30,99,208,0.06);
  pointer-events: none;
}
.cta-box h2 {
  font-size: 26px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 10px;
}
.cta-box p {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 24px;
  line-height: 1.7;
}
.cta-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
}
.cta-form input {
  flex: 1;
  min-width: 240px;
  border-radius: 10px;
  padding: 13px 18px;
}
.cta-form .btn {
  flex-shrink: 0;
}

/* ===== 品牌介绍片段 ===== */
.brand-snippet {
  background: var(--bg-card);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  box-shadow: var(--shadow-sm);
}
.brand-snippet p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.9;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-footer);
  color: #CBD5E1;
  padding: 56px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .logo {
  color: #fff;
  margin-bottom: 16px;
}
.footer-brand .logo:hover {
  color: #fff;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: #94A3B8;
  max-width: 280px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col a {
  color: #94A3B8;
  font-size: 14px;
  transition: var(--transition);
}
.footer-col a:hover {
  color: #fff;
  padding-left: 4px;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  font-size: 13px;
  color: #64748B;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom a {
  color: #94A3B8;
  transition: var(--transition);
}
.footer-bottom a:hover {
  color: #fff;
}

/* ===== 底部固定转化条 ===== */
.fixed-promo-bar {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 998;
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  max-width: 380px;
  transition: var(--transition);
}
.fixed-promo-bar .promo-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--bg-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.fixed-promo-bar .promo-text {
  flex: 1;
  min-width: 0;
}
.fixed-promo-bar .promo-text strong {
  display: block;
  font-size: 13px;
  color: var(--text-dark);
  font-weight: 600;
}
.fixed-promo-bar .promo-text span {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
  margin-top: 2px;
}
.fixed-promo-bar .promo-close {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 18px;
  transition: var(--transition);
  flex-shrink: 0;
}
.fixed-promo-bar .promo-close:hover {
  background: var(--bg-body);
  color: var(--text-dark);
}
.fixed-promo-bar.hidden {
  display: none;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  :root {
    --section-spacing: 56px;
    --card-gap: 16px;
    --card-padding: 22px;
  }
  .schedule-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    padding: 22px 24px;
  }
  .tips-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .focus-panel {
    grid-template-columns: 1fr;
  }
  .focus-panel .focus-image {
    min-height: 240px;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
}
@media (max-width: 768px) {
  :root {
    --section-spacing: 44px;
    --card-gap: 14px;
    --card-padding: 18px;
    --header-height: 56px;
  }
  .nav-desktop {
    display: none;
  }
  .nav-cta .btn-sm {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .bottom-tabs {
    display: flex;
  }
  body {
    padding-bottom: var(--bottom-tab-height);
  }
  .page-hero {
    padding: 32px 0 28px;
  }
  .page-hero h1 {
    font-size: 30px;
  }
  .schedule-grid {
    grid-template-columns: 1fr;
  }
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 18px 16px;
  }
  .stat-item .stat-number {
    font-size: 26px;
  }
  .tips-grid {
    grid-template-columns: 1fr;
  }
  .focus-panel .focus-content {
    padding: 24px 20px;
  }
  .focus-panel .focus-content h3 {
    font-size: 20px;
  }
  .cta-box {
    padding: 32px 20px;
  }
  .cta-box h2 {
    font-size: 22px;
  }
  .cta-form {
    flex-direction: column;
  }
  .cta-form input {
    min-width: 0;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .fixed-promo-bar {
    bottom: calc(var(--bottom-tab-height) + 12px);
    right: 12px;
    left: 12px;
    max-width: none;
    padding: 12px 14px;
    gap: 10px;
  }
}
@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .page-hero h1 {
    font-size: 26px;
  }
  .section-head h2 {
    font-size: 22px;
  }
  .stats-bar {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
  .stat-item .stat-number {
    font-size: 22px;
  }
  .schedule-card .card-body {
    padding: 16px 16px 18px;
  }
  .schedule-card .card-title {
    font-size: 15px;
  }
}

/* roulang page: category3 */
:root {
      --primary: #1E63D0;
      --primary-dark: #164D9F;
      --primary-light: #E8F0FE;
      --accent: #10B8C7;
      --accent-light: #E6F9FB;
      --text-dark: #1F2937;
      --text-muted: #6B7280;
      --text-light: #9CA3AF;
      --border: #E5E7EB;
      --border-light: #EBEEF5;
      --bg-blue: #F0F4FF;
      --bg-body: #F5F7FB;
      --bg-card: #FFFFFF;
      --bg-footer: #0F1D32;
      --green: #17A34A;
      --green-light: #E8F7EE;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --radius-xl: 20px;
      --shadow-sm: 0 1px 3px rgba(30, 64, 110, 0.06);
      --shadow-md: 0 4px 14px rgba(30, 64, 110, 0.06);
      --shadow-lg: 0 12px 28px rgba(30, 64, 110, 0.12);
      --shadow-hover: 0 16px 36px rgba(30, 64, 110, 0.16);
      --transition: all 0.25s ease;
      --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      --container-max: 1200px;
      --header-height: 68px;
      --bottom-tab-height: 64px;
      --section-spacing: 64px;
      --card-gap: 24px;
      --card-padding: 24px;
    }

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

    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
    }

    body {
      font-family: var(--font-stack);
      font-size: 15px;
      line-height: 1.75;
      color: var(--text-dark);
      background: var(--bg-body);
      min-height: 100vh;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      padding-bottom: 0;
    }

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

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

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

    button {
      font-family: inherit;
      cursor: pointer;
      border: none;
      background: none;
      font-size: inherit;
    }

    input,
    textarea,
    select {
      font-family: inherit;
      font-size: inherit;
      border-radius: var(--radius-sm);
      border: 1px solid #D1D5DB;
      padding: 12px 16px;
      background: var(--bg-card);
      color: var(--text-dark);
      transition: var(--transition);
      width: 100%;
      outline: none;
    }

    input:focus,
    textarea:focus,
    select:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(30, 99, 208, 0.12);
    }

    input::placeholder {
      color: var(--text-light);
    }

    .container {
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 24px;
    }

    /* ========== 顶部导航 ========== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
      height: var(--header-height);
      display: flex;
      align-items: center;
    }

    .site-header .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 24px;
      gap: 20px;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
      font-weight: 700;
      font-size: 22px;
      color: var(--text-dark);
      letter-spacing: 0.5px;
    }

    .logo:hover {
      color: var(--text-dark);
    }

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

    .nav-desktop {
      display: flex;
      align-items: center;
      gap: 4px;
      flex: 1;
      justify-content: center;
    }

    .nav-desktop a {
      display: inline-flex;
      align-items: center;
      padding: 8px 14px;
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-weight: 500;
      color: var(--text-muted);
      transition: var(--transition);
      white-space: nowrap;
      position: relative;
    }

    .nav-desktop a:hover {
      color: var(--primary);
      background: var(--bg-blue);
    }

    .nav-desktop a.active {
      color: var(--primary);
      font-weight: 600;
    }

    .nav-desktop a.active::after {
      content: '';
      position: absolute;
      bottom: 2px;
      left: 14px;
      right: 14px;
      height: 2.5px;
      background: var(--primary);
      border-radius: 2px;
    }

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

    .hamburger {
      display: none;
      flex-direction: column;
      gap: 5px;
      width: 40px;
      height: 40px;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-sm);
      transition: var(--transition);
    }

    .hamburger span {
      display: block;
      width: 22px;
      height: 2px;
      background: var(--text-dark);
      border-radius: 2px;
      transition: var(--transition);
    }

    .hamburger:hover {
      background: var(--bg-blue);
    }

    /* ========== 按钮 ========== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 24px;
      border-radius: 10px;
      font-weight: 600;
      font-size: 15px;
      transition: var(--transition);
      border: 1px solid transparent;
      cursor: pointer;
      white-space: nowrap;
    }

    .btn:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
    }

    .btn:active {
      transform: scale(0.98);
    }

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

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

    .btn-secondary {
      background: var(--bg-card);
      border-color: var(--border);
      color: var(--text-dark);
    }

    .btn-secondary:hover {
      background: var(--bg-blue);
      border-color: var(--primary);
      color: var(--primary);
    }

    .btn-sm {
      padding: 8px 16px;
      font-size: 14px;
    }

    .btn-lg {
      padding: 14px 28px;
      font-size: 16px;
    }

    .btn-outline {
      background: transparent;
      border: 1px solid rgba(255, 255, 255, 0.4);
      color: #fff;
    }

    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: #fff;
      color: #fff;
    }

    /* ========== 面包屑 ========== */
    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--text-muted);
      padding: 20px 0 12px;
      flex-wrap: wrap;
    }

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

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

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

    .breadcrumb .current {
      color: var(--primary);
      font-weight: 500;
    }

    /* ========== 分类页头 ========== */
    .page-header {
      padding: 16px 0 36px;
      background: var(--bg-body);
    }

    .page-header h1 {
      font-size: 40px;
      font-weight: 700;
      color: var(--text-dark);
      line-height: 1.3;
      margin-bottom: 12px;
    }

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

    /* ========== 板块通用 ========== */
    section {
      padding: var(--section-spacing) 0;
    }

    .section-label {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.8px;
      color: var(--primary);
      background: var(--primary-light);
      padding: 4px 12px;
      border-radius: 20px;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 28px;
      font-weight: 600;
      color: var(--text-dark);
      margin-bottom: 12px;
      line-height: 1.4;
    }

    .section-subtitle {
      font-size: 16px;
      color: var(--text-muted);
      margin-bottom: 28px;
      max-width: 680px;
      line-height: 1.8;
    }

    .bg-white {
      background: var(--bg-card);
    }

    .bg-blue-soft {
      background: var(--bg-blue);
    }

    /* ========== 新闻列表卡片 ========== */
    .news-list-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: var(--card-gap);
    }

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

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

    .news-card .card-img {
      width: 100%;
      aspect-ratio: 16/9;
      overflow: hidden;
      background: var(--bg-blue);
    }

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

    .news-card:hover .card-img img {
      transform: scale(1.03);
    }

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

    .news-card .card-meta {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 12px;
      color: var(--text-light);
      margin-bottom: 10px;
    }

    .news-card .card-meta .tag {
      display: inline-flex;
      align-items: center;
      background: var(--primary-light);
      color: var(--primary);
      padding: 2px 10px;
      border-radius: 12px;
      font-weight: 500;
      font-size: 12px;
    }

    .news-card .card-title {
      font-size: 18px;
      font-weight: 600;
      color: var(--text-dark);
      line-height: 1.5;
      margin-bottom: 10px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .news-card .card-excerpt {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      flex: 1;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      margin-bottom: 16px;
    }

    .news-card .read-more {
      align-self: flex-start;
      font-size: 14px;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    .news-card .read-more:hover {
      color: var(--primary-dark);
      gap: 8px;
    }

    /* ========== 编辑精选横卡 ========== */
    .featured-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: var(--card-gap);
    }

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

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

    .featured-card .featured-img {
      width: 100%;
      aspect-ratio: 21/9;
      overflow: hidden;
      background: var(--bg-blue);
    }

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

    .featured-card:hover .featured-img img {
      transform: scale(1.02);
    }

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

    .featured-card .featured-tag {
      display: inline-flex;
      align-items: center;
      font-size: 12px;
      font-weight: 600;
      color: var(--accent);
      background: var(--accent-light);
      padding: 3px 12px;
      border-radius: 12px;
      margin-bottom: 10px;
      align-self: flex-start;
    }

    .featured-card .featured-title {
      font-size: 20px;
      font-weight: 600;
      color: var(--text-dark);
      line-height: 1.5;
      margin-bottom: 10px;
    }

    .featured-card .featured-excerpt {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.8;
      flex: 1;
      margin-bottom: 16px;
    }

    /* ========== 数据速览 ========== */
    .stats-ribbon {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: var(--card-gap);
    }

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

    .stat-item:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
    }

    .stat-number {
      font-size: 32px;
      font-weight: 700;
      color: var(--primary);
      line-height: 1.2;
      margin-bottom: 6px;
    }

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

    /* ========== 热门话题 ========== */
    .topic-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .topic-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 24px;
      padding: 8px 18px;
      font-size: 14px;
      font-weight: 500;
      color: var(--text-muted);
      transition: var(--transition);
    }

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

    /* ========== 专题卡片 ========== */
    .topics-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: var(--card-gap);
    }

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

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

    .topic-card .topic-img {
      width: 100%;
      aspect-ratio: 16/9;
      overflow: hidden;
      background: var(--bg-blue);
    }

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

    .topic-card:hover .topic-img img {
      transform: scale(1.03);
    }

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

    .topic-card .topic-title {
      font-size: 17px;
      font-weight: 600;
      color: var(--text-dark);
      line-height: 1.5;
      margin-bottom: 8px;
    }

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

    /* ========== 球迷社区热帖 ========== */
    .community-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: var(--card-gap);
    }

    .community-item {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-sm);
      padding: 20px;
      transition: var(--transition);
      display: flex;
      gap: 16px;
      align-items: flex-start;
    }

    .community-item:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
    }

    .community-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary-light);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      flex-shrink: 0;
    }

    .community-content {
      flex: 1;
    }

    .community-title {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-dark);
      margin-bottom: 4px;
    }

    .community-meta {
      font-size: 12px;
      color: var(--text-light);
    }

    /* ========== 订阅CTA ========== */
    .subscribe-cta {
      background: var(--bg-footer);
      border-radius: var(--radius-xl);
      padding: 48px 40px;
      color: #fff;
      text-align: center;
    }

    .subscribe-cta h2 {
      font-size: 28px;
      font-weight: 600;
      margin-bottom: 12px;
      color: #fff;
    }

    .subscribe-cta p {
      font-size: 16px;
      color: rgba(255, 255, 255, 0.75);
      max-width: 560px;
      margin: 0 auto 24px;
      line-height: 1.8;
    }

    .subscribe-form {
      display: flex;
      gap: 12px;
      max-width: 480px;
      margin: 0 auto;
    }

    .subscribe-form input {
      flex: 1;
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.25);
      color: #fff;
      border-radius: 10px;
      padding: 12px 18px;
    }

    .subscribe-form input::placeholder {
      color: rgba(255, 255, 255, 0.55);
    }

    .subscribe-form input:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(16, 184, 199, 0.25);
    }

    .subscribe-links {
      margin-top: 16px;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.6);
    }

    .subscribe-links a {
      color: rgba(255, 255, 255, 0.85);
      text-decoration: underline;
    }

    .subscribe-links a:hover {
      color: #fff;
    }

    /* ========== 页脚 ========== */
    .site-footer {
      background: var(--bg-footer);
      color: rgba(255, 255, 255, 0.75);
      padding: 48px 0 24px;
      font-size: 14px;
    }

    .site-footer .container {
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 24px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 36px;
      margin-bottom: 32px;
    }

    .footer-brand .logo {
      font-size: 20px;
      color: #fff;
      margin-bottom: 14px;
    }

    .footer-brand p {
      font-size: 14px;
      line-height: 1.8;
      color: rgba(255, 255, 255, 0.65);
    }

    .footer-col h4 {
      font-size: 16px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 14px;
    }

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

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

    .footer-col ul li a {
      color: rgba(255, 255, 255, 0.7);
      font-size: 14px;
      transition: var(--transition);
    }

    .footer-col ul li a:hover {
      color: #fff;
      padding-left: 4px;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      padding-top: 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.5);
    }

    .footer-bottom a {
      color: rgba(255, 255, 255, 0.7);
    }

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

    /* ========== 底部Tab导航 ========== */
    .bottom-tabs {
      display: none;
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      z-index: 990;
      background: var(--bg-card);
      border-top: 1px solid var(--border);
      height: var(--bottom-tab-height);
      padding: 0 12px;
      box-shadow: 0 -2px 12px rgba(30, 64, 110, 0.08);
    }

    .bottom-tabs-inner {
      display: flex;
      align-items: center;
      justify-content: space-around;
      height: 100%;
      max-width: 500px;
      margin: 0 auto;
    }

    .bottom-tab {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 2px;
      font-size: 11px;
      font-weight: 500;
      color: var(--text-muted);
      padding: 4px 12px;
      border-radius: var(--radius-sm);
      transition: var(--transition);
    }

    .bottom-tab .tab-icon {
      font-size: 20px;
      line-height: 1;
    }

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

    .bottom-tab:hover {
      color: var(--primary);
      background: var(--bg-blue);
    }

    /* ========== 移动端抽屉菜单 ========== */
    .drawer-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(15, 29, 50, 0.55);
      z-index: 1100;
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .drawer-overlay.active {
      opacity: 1;
    }

    .drawer-menu {
      position: fixed;
      top: 0;
      right: -280px;
      width: 280px;
      height: 100vh;
      background: var(--bg-card);
      z-index: 1200;
      box-shadow: -8px 0 28px rgba(30, 64, 110, 0.18);
      transition: right 0.3s ease;
      padding: 20px;
      overflow-y: auto;
    }

    .drawer-menu.active {
      right: 0;
    }

    .drawer-menu .drawer-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 24px;
    }

    .drawer-menu .drawer-close {
      width: 36px;
      height: 36px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      background: var(--bg-body);
      font-size: 18px;
      color: var(--text-muted);
      transition: var(--transition);
    }

    .drawer-menu .drawer-close:hover {
      background: var(--bg-blue);
      color: var(--primary);
    }

    .drawer-menu nav {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .drawer-menu nav a {
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
      transition: var(--transition);
    }

    .drawer-menu nav a:hover,
    .drawer-menu nav a.active {
      background: var(--bg-blue);
      color: var(--primary);
    }

    /* ========== 底部固定转化条 ========== */
    .floating-cta {
      position: fixed;
      bottom: 24px;
      right: 24px;
      z-index: 960;
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-hover);
      border: 1px solid var(--border-light);
      padding: 16px 20px;
      display: flex;
      align-items: center;
      gap: 14px;
      max-width: 350px;
      transition: var(--transition);
    }

    .floating-cta .cta-text {
      font-size: 14px;
      color: var(--text-dark);
      font-weight: 500;
      line-height: 1.5;
    }

    .floating-cta .cta-text strong {
      color: var(--primary);
    }

    .floating-cta .close-cta {
      width: 28px;
      height: 28px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      background: var(--bg-body);
      color: var(--text-muted);
      font-size: 14px;
      flex-shrink: 0;
      transition: var(--transition);
    }

    .floating-cta .close-cta:hover {
      background: var(--bg-blue);
      color: var(--primary);
    }

    /* ========== 响应式 ========== */
    @media (max-width: 1024px) {
      :root {
        --section-spacing: 56px;
        --header-height: 64px;
      }
      .news-list-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .topics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .stats-ribbon {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      :root {
        --section-spacing: 44px;
        --card-gap: 16px;
        --card-padding: 18px;
        --header-height: 56px;
      }

      body {
        padding-bottom: calc(var(--bottom-tab-height) + 80px);
        font-size: 14px;
      }

      .site-header .container {
        padding: 0 16px;
      }

      .logo {
        font-size: 18px;
      }

      .logo-icon {
        width: 32px;
        height: 32px;
        font-size: 16px;
      }

      .nav-desktop {
        display: none;
      }

      .nav-cta .btn {
        display: none;
      }

      .hamburger {
        display: flex;
      }

      .bottom-tabs {
        display: block;
      }

      .drawer-overlay,
      .drawer-menu {
        display: block;
      }

      .drawer-overlay {
        display: none;
      }

      .drawer-overlay.active {
        display: block;
      }

      .page-header h1 {
        font-size: 28px;
      }

      .section-title {
        font-size: 22px;
      }

      .news-list-grid {
        grid-template-columns: 1fr;
      }

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

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

      .stats-ribbon {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
      }

      .community-list {
        grid-template-columns: 1fr;
      }

      .subscribe-cta {
        padding: 32px 20px;
      }

      .subscribe-cta h2 {
        font-size: 22px;
      }

      .subscribe-form {
        flex-direction: column;
        gap: 10px;
      }

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

      .footer-bottom {
        flex-direction: column;
        text-align: center;
        justify-content: center;
      }

      .floating-cta {
        bottom: calc(var(--bottom-tab-height) + 12px);
        right: 12px;
        left: 12px;
        max-width: none;
        padding: 14px 16px;
        gap: 10px;
      }

      .floating-cta .cta-text {
        font-size: 13px;
      }
    }

    @media (max-width: 520px) {
      :root {
        --section-spacing: 36px;
        --card-gap: 12px;
        --card-padding: 16px;
      }

      .container {
        padding: 0 16px;
      }

      .breadcrumb {
        font-size: 12px;
      }

      .page-header h1 {
        font-size: 24px;
      }

      .news-card .card-title {
        font-size: 16px;
      }

      .featured-card .featured-title {
        font-size: 17px;
      }

      .stat-number {
        font-size: 26px;
      }

      .bottom-tab {
        font-size: 10px;
        padding: 4px 8px;
      }

      .bottom-tab .tab-icon {
        font-size: 18px;
      }
    }

/* roulang page: category4 */
:root {
            --primary: #1E63D0;
            --primary-dark: #164D9F;
            --primary-light: #E8F0FE;
            --accent: #10B8C7;
            --accent-light: #E6F9FB;
            --text-dark: #1F2937;
            --text-muted: #6B7280;
            --text-light: #9CA3AF;
            --border: #E5E7EB;
            --border-light: #EBEEF5;
            --bg-blue: #F0F4FF;
            --bg-body: #F5F7FB;
            --bg-card: #FFFFFF;
            --bg-footer: #0F1D32;
            --green: #17A34A;
            --green-light: #E8F7EE;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(30, 64, 110, 0.06);
            --shadow-md: 0 4px 14px rgba(30, 64, 110, 0.06);
            --shadow-lg: 0 12px 28px rgba(30, 64, 110, 0.12);
            --shadow-hover: 0 16px 36px rgba(30, 64, 110, 0.16);
            --transition: all 0.25s ease;
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --header-height: 68px;
            --bottom-tab-height: 64px;
            --section-spacing: 72px;
            --card-gap: 24px;
            --card-padding: 28px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-stack);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-dark);
            background: var(--bg-body);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: var(--bottom-tab-height);
        }

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

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }

        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border-radius: var(--radius-sm);
            border: 1px solid #D1D5DB;
            padding: 12px 16px;
            background: var(--bg-card);
            color: var(--text-dark);
            transition: var(--transition);
            width: 100%;
            outline: none;
        }

        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 99, 208, 0.12);
        }

        input::placeholder {
            color: var(--text-light);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== 顶部导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            gap: 20px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 22px;
            color: var(--text-dark);
            letter-spacing: 0.5px;
            text-decoration: none;
        }

        .logo:hover {
            color: var(--text-dark);
        }

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

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }

        .nav-desktop a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
            text-decoration: none;
        }

        .nav-desktop a:hover {
            color: var(--primary);
            background: var(--bg-blue);
        }

        .nav-desktop a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 2px;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: var(--bg-card);
            transition: var(--transition);
        }

        .hamburger span {
            width: 22px;
            height: 2px;
            background: var(--text-dark);
            border-radius: 2px;
            transition: var(--transition);
        }

        .hamburger:hover {
            background: var(--bg-blue);
            border-color: var(--primary);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 500;
            line-height: 1.4;
            transition: var(--transition);
            text-decoration: none;
            cursor: pointer;
            border: 1px solid transparent;
        }

        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn:active {
            transform: scale(0.98);
        }

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

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

        .btn-outline {
            background: var(--bg-card);
            border: 1px solid var(--border);
            color: var(--text-dark);
        }

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

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 8px;
        }

        .btn-lg {
            padding: 14px 28px;
            font-size: 15px;
        }

        .btn-link {
            color: var(--primary);
            font-weight: 500;
            padding: 4px 0;
            border-bottom: 1px solid transparent;
            border-radius: 0;
        }

        .btn-link:hover {
            color: var(--primary-dark);
            border-bottom-color: var(--primary);
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-wrapper {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-light);
            padding: 14px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            list-style: none;
            flex-wrap: wrap;
        }

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

        .breadcrumb li:not(:last-child)::after {
            content: '›';
            color: var(--text-light);
            margin-left: 4px;
        }

        .breadcrumb a {
            color: var(--text-muted);
            text-decoration: none;
        }

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

        .breadcrumb .current {
            color: var(--primary);
            font-weight: 500;
        }

        /* ========== 页头 ========== */
        .page-header {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-light);
            padding: 36px 0;
        }

        .page-header h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .page-header .page-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 720px;
        }

        .page-header .page-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 14px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .page-header .page-meta .badge-live {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--green);
            font-weight: 500;
        }

        .page-header .page-meta .badge-live::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--green);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

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

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

        .section-header {
            margin-bottom: 32px;
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.35;
            margin-bottom: 8px;
        }

        .section-header p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 680px;
        }

        .section-header .section-action {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            margin-top: 10px;
        }

        .section-header .section-action:hover {
            color: var(--primary-dark);
        }

        /* ========== 新闻卡片列表 ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--card-gap);
        }

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

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

        .news-card .card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--bg-blue);
        }

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

        .news-card:hover .card-img img {
            transform: scale(1.03);
        }

        .news-card .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(255, 255, 255, 0.95);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 20px;
            box-shadow: var(--shadow-sm);
        }

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

        .news-card .card-date {
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 8px;
        }

        .news-card .card-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.45;
            margin-bottom: 10px;
        }

        .news-card .card-title a {
            color: var(--text-dark);
            text-decoration: none;
        }

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

        .news-card .card-summary {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            flex: 1;
            margin-bottom: 16px;
        }

        .news-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 14px;
            border-top: 1px solid var(--border-light);
        }

        .news-card .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 500;
            color: var(--primary);
        }

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

        .news-card .card-stats {
            display: flex;
            gap: 14px;
            font-size: 12px;
            color: var(--text-light);
        }

        .news-card .card-stats span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== 热门话题标签 ========== */
        .topic-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .topic-tag {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 24px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-muted);
            transition: var(--transition);
            text-decoration: none;
        }

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

        .topic-tag.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            font-weight: 500;
        }

        /* ========== 数据速览 ========== */
        .stats-mini-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--card-gap);
        }

        .stats-mini-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

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

        .stats-mini-card .stat-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin: 0 auto 12px;
        }

        .stats-mini-card .stat-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.2;
        }

        .stats-mini-card .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ========== 专题推荐 ========== */
        .topic-spotlight-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }

        .topic-spotlight-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

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

        .topic-spotlight-card .spotlight-img {
            aspect-ratio: 16 / 9;
            background: var(--bg-blue);
            position: relative;
        }

        .topic-spotlight-card .spotlight-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .topic-spotlight-card .spotlight-body {
            padding: 20px 22px;
        }

        .topic-spotlight-card .spotlight-cat {
            font-size: 12px;
            color: var(--primary);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }

        .topic-spotlight-card .spotlight-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.45;
        }

        .topic-spotlight-card .spotlight-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ========== 球迷热评 ========== */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }

        .comment-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

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

        .comment-card .comment-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }

        .comment-card .comment-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            font-size: 16px;
            flex-shrink: 0;
        }

        .comment-card .comment-user {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
        }

        .comment-card .comment-time {
            font-size: 12px;
            color: var(--text-light);
        }

        .comment-card .comment-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ========== 订阅CTA ========== */
        .subscribe-banner {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .subscribe-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }

        .subscribe-banner::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -10%;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }

        .subscribe-banner .subscribe-text {
            position: relative;
            z-index: 1;
            flex: 1;
            min-width: 260px;
        }

        .subscribe-banner .subscribe-text h2 {
            font-size: 24px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.35;
        }

        .subscribe-banner .subscribe-text p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 480px;
        }

        .subscribe-banner .subscribe-form {
            position: relative;
            z-index: 1;
            display: flex;
            gap: 10px;
            flex-shrink: 0;
            width: 100%;
            max-width: 380px;
        }

        .subscribe-banner .subscribe-form input {
            flex: 1;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            padding: 13px 18px;
            font-size: 14px;
        }

        .subscribe-banner .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.65);
        }

        .subscribe-banner .subscribe-form input:focus {
            background: rgba(255, 255, 255, 0.25);
            border-color: #fff;
            box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.2);
        }

        .subscribe-banner .subscribe-form .btn-subscribe {
            background: #fff;
            color: var(--primary);
            font-weight: 600;
            padding: 13px 24px;
            border-radius: 10px;
            white-space: nowrap;
            transition: var(--transition);
        }

        .subscribe-banner .subscribe-form .btn-subscribe:hover {
            background: var(--bg-blue);
            transform: none;
        }

        /* ========== 延伸阅读 ========== */
        .reading-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .reading-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }

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

        .reading-item:hover {
            padding-left: 8px;
        }

        .reading-item .reading-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary-light);
            min-width: 48px;
            text-align: center;
            flex-shrink: 0;
        }

        .reading-item .reading-content {
            flex: 1;
        }

        .reading-item .reading-title {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-dark);
            margin-bottom: 4px;
        }

        .reading-item .reading-title a {
            color: var(--text-dark);
        }

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

        .reading-item .reading-meta {
            font-size: 13px;
            color: var(--text-light);
        }

        .reading-item .reading-btn {
            flex-shrink: 0;
            font-size: 13px;
            font-weight: 500;
            color: var(--primary);
            white-space: nowrap;
        }

        .reading-item .reading-btn:hover {
            color: var(--primary-dark);
        }

        /* ========== 底部固定转化条 ========== */
        .conversion-bar {
            position: fixed;
            bottom: 24px;
            right: 24px;
            z-index: 999;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            max-width: 360px;
            transition: var(--transition);
        }

        .conversion-bar.hidden {
            opacity: 0;
            pointer-events: none;
            transform: translateY(20px);
        }

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

        .conversion-bar .conv-text {
            flex: 1;
            font-size: 13px;
            color: var(--text-dark);
            line-height: 1.5;
        }

        .conversion-bar .conv-close {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-light);
            font-size: 16px;
            transition: var(--transition);
            background: none;
            border: none;
        }

        .conversion-bar .conv-close:hover {
            background: var(--bg-blue);
            color: var(--text-dark);
        }

        /* ========== 底部Tab导航（移动端） ========== */
        .bottom-tabs {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-top: 1px solid var(--border);
            height: var(--bottom-tab-height);
            align-items: center;
            justify-content: space-around;
            padding: 0 8px;
        }

        .bottom-tab {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            font-size: 11px;
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
        }

        .bottom-tab i {
            font-size: 18px;
        }

        .bottom-tab:hover {
            background: var(--bg-blue);
            color: var(--primary);
        }

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

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-footer);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 0;
            margin-top: 0;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 40px;
        }

        .site-footer .footer-brand .logo {
            color: #fff;
            font-size: 22px;
            margin-bottom: 16px;
        }

        .site-footer .footer-brand .logo:hover {
            color: #fff;
        }

        .site-footer .footer-brand .logo .logo-icon {
            background: var(--primary);
        }

        .site-footer .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            max-width: 320px;
        }

        .site-footer .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .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: rgba(255, 255, 255, 0.65);
            text-decoration: none;
            transition: var(--transition);
        }

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

        .site-footer .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            flex-wrap: wrap;
        }

        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            margin: 0 4px;
        }

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

        /* ========== 移动端抽屉菜单 ========== */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100vh;
            background: var(--bg-card);
            z-index: 1100;
            box-shadow: -8px 0 24px rgba(30, 64, 110, 0.15);
            transition: right 0.3s ease;
            padding: 24px;
            overflow-y: auto;
        }

        .mobile-drawer.open {
            right: 0;
        }

        .mobile-drawer .drawer-close {
            align-self: flex-end;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-blue);
            border: 1px solid var(--border);
            color: var(--text-dark);
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            transition: var(--transition);
        }

        .mobile-drawer .drawer-close:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .mobile-drawer .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-drawer .drawer-nav a {
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition);
        }

        .mobile-drawer .drawer-nav a:hover {
            background: var(--bg-blue);
            color: var(--primary);
        }

        .mobile-drawer .drawer-nav a.active {
            background: var(--primary);
            color: #fff;
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15, 29, 50, 0.5);
            z-index: 1050;
        }

        .drawer-overlay.show {
            display: block;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-mini-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .topic-spotlight-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .comments-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 60px;
                --section-spacing: 52px;
                --card-gap: 16px;
                --card-padding: 20px;
            }
            body {
                padding-bottom: var(--bottom-tab-height);
                font-size: 14px;
            }
            .nav-desktop {
                display: none;
            }
            .nav-cta .btn-sm {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .stats-mini-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .topic-spotlight-grid {
                grid-template-columns: 1fr;
            }
            .comments-grid {
                grid-template-columns: 1fr;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer {
                padding: 40px 0 0;
            }
            .page-header {
                padding: 28px 0;
            }
            .page-header h1 {
                font-size: 28px;
            }
            .subscribe-banner {
                padding: 32px 24px;
                flex-direction: column;
                text-align: center;
            }
            .subscribe-banner .subscribe-form {
                max-width: 100%;
                flex-direction: column;
            }
            .subscribe-banner .subscribe-form .btn-subscribe {
                width: 100%;
                justify-content: center;
            }
            .bottom-tabs {
                display: flex;
            }
            .conversion-bar {
                bottom: 74px;
                right: 16px;
                left: 16px;
                max-width: none;
                padding: 14px 16px;
            }
            .reading-item {
                flex-wrap: wrap;
                gap: 10px;
            }
            .reading-item .reading-num {
                min-width: 36px;
                font-size: 22px;
            }
            .reading-item .reading-btn {
                width: 100%;
                text-align: right;
            }
        }

        @media (max-width: 520px) {
            :root {
                --header-height: 56px;
                --section-spacing: 44px;
                --card-gap: 14px;
                --card-padding: 16px;
            }
            .container {
                padding: 0 16px;
            }
            .site-header .container {
                padding: 0 16px;
            }
            .page-header h1 {
                font-size: 24px;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .stats-mini-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-mini-card .stat-number {
                font-size: 22px;
            }
            .news-card .card-title {
                font-size: 16px;
            }
            .news-card .card-body {
                padding: 16px 18px 18px;
            }
            .topic-spotlight-card .spotlight-body {
                padding: 16px 18px;
            }
            .comment-card {
                padding: 18px;
            }
            .conversion-bar {
                flex-wrap: wrap;
                gap: 10px;
            }
            .conversion-bar .conv-text {
                flex: 1 1 100%;
                order: -1;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #1E63D0;
            --primary-dark: #164D9F;
            --primary-light: #E8F0FE;
            --accent: #10B8C7;
            --accent-light: #E6F9FB;
            --text-dark: #1F2937;
            --text-muted: #6B7280;
            --text-light: #9CA3AF;
            --border: #E5E7EB;
            --border-light: #EBEEF5;
            --bg-blue: #F0F4FF;
            --bg-body: #F5F7FB;
            --bg-card: #FFFFFF;
            --bg-footer: #0F1D32;
            --green: #17A34A;
            --green-light: #E8F7EE;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(30, 64, 110, 0.06);
            --shadow-md: 0 4px 14px rgba(30, 64, 110, 0.06);
            --shadow-lg: 0 12px 28px rgba(30, 64, 110, 0.12);
            --shadow-hover: 0 16px 36px rgba(30, 64, 110, 0.16);
            --transition: all 0.25s ease;
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --header-height: 68px;
            --bottom-tab-height: 64px;
            --section-spacing: 72px;
            --card-gap: 24px;
            --card-padding: 26px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-stack);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-dark);
            background: var(--bg-body);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }

        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border-radius: var(--radius-sm);
            border: 1px solid #D1D5DB;
            padding: 12px 16px;
            background: var(--bg-card);
            color: var(--text-dark);
            transition: var(--transition);
            width: 100%;
            outline: none;
        }

        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 99, 208, 0.12);
        }

        input::placeholder {
            color: var(--text-light);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== 顶部导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            gap: 20px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 22px;
            color: var(--text-dark);
            letter-spacing: 0.5px;
        }

        .logo:hover {
            color: var(--text-dark);
        }

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

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }

        .nav-desktop a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-desktop a:hover {
            color: var(--primary);
            background: var(--bg-blue);
        }

        .nav-desktop a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 2px;
        }

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

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            background: transparent;
            border: 1px solid var(--border);
        }

        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-dark);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
            white-space: nowrap;
            line-height: 1.5;
            text-align: center;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            border: 1px solid var(--primary);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            box-shadow: 0 4px 12px rgba(30, 99, 208, 0.25);
        }

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

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

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 8px;
        }

        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn:active {
            transform: scale(0.98);
        }

        .btn-block {
            width: 100%;
            justify-content: center;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
            margin-bottom: 12px;
        }

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

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

        .breadcrumb .separator {
            color: var(--text-light);
            font-size: 14px;
        }

        .breadcrumb .current {
            color: var(--primary);
            font-weight: 500;
        }

        /* ========== 轻量页头 ========== */
        .page-header {
            background: var(--bg-blue);
            padding: 44px 0 36px;
            border-bottom: 1px solid var(--border);
        }

        .page-header h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
            margin-bottom: 10px;
            letter-spacing: -0.5px;
        }

        .page-header .page-desc {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 700px;
            line-height: 1.75;
        }

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

        .section-alt {
            background: var(--bg-card);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .section-heading {
            margin-bottom: 32px;
        }

        .section-heading h2 {
            font-size: 26px;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.35;
            margin-bottom: 8px;
        }

        .section-heading p {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 650px;
            line-height: 1.7;
        }

        /* ========== 卡片网格 ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }

        .card-grid.cols-2 {
            grid-template-columns: repeat(2, 1fr);
        }

        .card-grid.cols-4 {
            grid-template-columns: repeat(4, 1fr);
        }

        /* ========== 装备卡片 ========== */
        .gear-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

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

        .gear-card .card-img {
            position: relative;
            height: 200px;
            overflow: hidden;
            background: var(--bg-blue);
            flex-shrink: 0;
        }

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

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

        .gear-card .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            letter-spacing: 0.5px;
        }

        .gear-card .card-body {
            padding: var(--card-padding);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .gear-card .card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--text-light);
            margin-bottom: 10px;
        }

        .gear-card .card-meta .tag {
            background: var(--accent-light);
            color: var(--accent);
            padding: 3px 10px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 11px;
        }

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

        .gear-card h3 a {
            color: var(--text-dark);
        }

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

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

        .gear-card .card-footer-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 14px;
            border-top: 1px solid var(--border-light);
        }

        .gear-card .price-info {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }

        .gear-card .btn-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            white-space: nowrap;
        }

        .gear-card .btn-link:hover {
            color: var(--primary-dark);
        }

        .btn-link .arrow {
            font-size: 14px;
            transition: var(--transition);
        }

        .gear-card .btn-link:hover .arrow {
            transform: translateX(3px);
        }

        /* ========== 横向精选卡片 ========== */
        .featured-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }

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

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

        .featured-card .fc-img {
            height: 180px;
            overflow: hidden;
            background: var(--bg-blue);
        }

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

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

        .featured-card .fc-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .featured-card .fc-label {
            font-size: 11px;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-light);
            padding: 3px 10px;
            border-radius: 20px;
            display: inline-block;
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .featured-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .featured-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.65;
            flex: 1;
            margin-bottom: 12px;
        }

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

        /* ========== FAQ 手风琴 ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: 10px;
            background: var(--bg-card);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: var(--primary-light);
            background: #F6F9FF;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 18px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            text-align: left;
            background: none;
            border: none;
            gap: 12px;
            transition: var(--transition);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--bg-blue);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 600;
            transition: var(--transition);
        }

        .faq-item.open .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
        }

        /* ========== 选购要点 ========== */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--card-gap);
        }

        .tip-item {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            padding: 24px 20px;
            text-align: center;
            transition: var(--transition);
        }

        .tip-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .tip-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: var(--bg-blue);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin: 0 auto 12px;
        }

        .tip-item h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
        }

        .tip-item p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* ========== 球迷评价 ========== */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }

        .review-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            padding: 24px;
            transition: var(--transition);
        }

        .review-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border);
        }

        .review-stars {
            color: #F59E0B;
            font-size: 15px;
            margin-bottom: 10px;
            letter-spacing: 2px;
        }

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

        .review-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .review-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-blue);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 600;
            flex-shrink: 0;
        }

        .review-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-dark);
        }

        .review-date {
            font-size: 12px;
            color: var(--text-light);
        }

        /* ========== 专题卡片 ========== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }

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

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

        .topic-card .tc-img {
            height: 160px;
            overflow: hidden;
            background: var(--bg-blue);
        }

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

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

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

        .topic-card .tc-tag {
            font-size: 11px;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-light);
            padding: 3px 10px;
            border-radius: 20px;
            display: inline-block;
            margin-bottom: 8px;
            align-self: flex-start;
        }

        .topic-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.45;
            margin-bottom: 6px;
        }

        .topic-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.65;
            flex: 1;
        }

        /* ========== 订阅CTA ========== */
        .subscribe-section {
            background: var(--bg-blue);
            border-radius: var(--radius-xl);
            padding: 44px 40px;
            text-align: center;
            border: 1px solid var(--primary-light);
        }

        .subscribe-section h2 {
            font-size: 24px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .subscribe-section p {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 520px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 240px;
            max-width: 320px;
        }

        .subscribe-links {
            margin-top: 16px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .subscribe-links a {
            font-weight: 500;
            margin: 0 4px;
        }

        /* ========== 品牌介绍 ========== */
        .brand-intro-section {
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-light);
            padding: 40px 36px;
            box-shadow: var(--shadow-sm);
        }

        .brand-intro-section h2 {
            font-size: 22px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 16px;
        }

        .brand-intro-section p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ========== 底部固定转化条 ========== */
        .fixed-cta {
            position: fixed;
            bottom: 24px;
            right: 24px;
            z-index: 900;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-lg);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 14px;
            max-width: 340px;
            transition: var(--transition);
        }

        .fixed-cta .cta-text {
            font-size: 13px;
            color: var(--text-dark);
            line-height: 1.5;
            flex: 1;
        }

        .fixed-cta .cta-text strong {
            font-weight: 600;
            color: var(--primary);
        }

        .fixed-cta .btn {
            white-space: nowrap;
            padding: 10px 18px;
            font-size: 13px;
        }

        .fixed-cta .close-cta {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-body);
            color: var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
            transition: var(--transition);
            line-height: 1;
        }

        .fixed-cta .close-cta:hover {
            background: var(--border);
            color: var(--text-dark);
        }

        /* ========== 移动端底部Tab ========== */
        .bottom-tabs {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 950;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid var(--border);
            height: var(--bottom-tab-height);
            align-items: stretch;
            justify-content: space-around;
            padding: 0 8px;
        }

        .bottom-tab {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            font-size: 11px;
            color: var(--text-muted);
            text-decoration: none;
            font-weight: 500;
            flex: 1;
            min-width: 0;
            transition: var(--transition);
            position: relative;
            border-radius: var(--radius-sm);
        }

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

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

        .bottom-tab .tab-icon {
            font-size: 20px;
            line-height: 1;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-footer);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 28px;
            margin-top: 0;
            font-size: 14px;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

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

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

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

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

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            margin: 0 4px;
        }

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

        /* ========== 响应式设计 ========== */
        @media (max-width: 1024px) {
            :root {
                --section-spacing: 56px;
                --card-padding: 22px;
                --header-height: 60px;
            }

            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .card-grid.cols-4 {
                grid-template-columns: repeat(2, 1fr);
            }

            .featured-row {
                grid-template-columns: repeat(2, 1fr);
            }

            .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .tips-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .nav-desktop a {
                padding: 8px 10px;
                font-size: 13px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .fixed-cta {
                bottom: 20px;
                right: 20px;
                max-width: 300px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-spacing: 44px;
                --card-gap: 16px;
                --card-padding: 20px;
                --header-height: 56px;
                --bottom-tab-height: 60px;
            }

            body {
                font-size: 14px;
                padding-bottom: var(--bottom-tab-height);
            }

            .site-header {
                height: var(--header-height);
            }

            .site-header .container {
                padding: 0 16px;
                gap: 12px;
            }

            .logo {
                font-size: 18px;
            }

            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
                border-radius: var(--radius-sm);
            }

            .nav-desktop {
                display: none;
            }

            .nav-cta .btn {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .page-header {
                padding: 28px 0 24px;
            }

            .page-header h1 {
                font-size: 26px;
            }

            .page-header .page-desc {
                font-size: 14px;
            }

            .section-heading h2 {
                font-size: 21px;
            }

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

            .card-grid.cols-2,
            .card-grid.cols-4 {
                grid-template-columns: 1fr;
            }

            .featured-row {
                grid-template-columns: 1fr;
            }

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

            .tips-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

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

            .gear-card .card-img {
                height: 170px;
            }

            .subscribe-section {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }

            .subscribe-form {
                flex-direction: column;
                align-items: center;
            }

            .subscribe-form input {
                min-width: 100%;
                max-width: 100%;
            }

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

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .fixed-cta {
                bottom: calc(var(--bottom-tab-height) + 16px);
                right: 12px;
                left: 12px;
                max-width: none;
                padding: 14px 16px;
                gap: 10px;
                border-radius: var(--radius-md);
            }

            .fixed-cta .cta-text {
                font-size: 12px;
            }

            .fixed-cta .btn {
                padding: 8px 14px;
                font-size: 12px;
            }

            .bottom-tabs {
                display: flex;
            }

            .brand-intro-section {
                padding: 28px 20px;
                border-radius: var(--radius-lg);
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-spacing: 36px;
                --card-gap: 12px;
                --card-padding: 16px;
                --header-height: 52px;
            }

            .container {
                padding: 0 16px;
            }

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

            .logo {
                font-size: 17px;
                gap: 8px;
            }

            .page-header h1 {
                font-size: 22px;
            }

            .section-heading h2 {
                font-size: 19px;
            }

            .gear-card .card-img {
                height: 150px;
            }

            .gear-card h3 {
                font-size: 16px;
            }

            .gear-card .card-desc {
                font-size: 13px;
            }

            .featured-card .fc-img {
                height: 140px;
            }

            .tips-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .tip-item {
                padding: 18px 16px;
            }

            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }

            .faq-answer {
                padding: 0 16px;
            }

            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }

            .subscribe-section h2 {
                font-size: 20px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #1E63D0;
            --primary-dark: #164D9F;
            --primary-light: #E8F0FE;
            --accent: #10B8C7;
            --accent-light: #E6F9FB;
            --text-dark: #1F2937;
            --text-muted: #6B7280;
            --text-light: #9CA3AF;
            --border: #E5E7EB;
            --border-light: #EBEEF5;
            --bg-blue: #F0F4FF;
            --bg-body: #F5F7FB;
            --bg-card: #FFFFFF;
            --bg-footer: #0F1D32;
            --green: #17A34A;
            --green-light: #E8F7EE;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(30, 64, 110, 0.06);
            --shadow-md: 0 4px 14px rgba(30, 64, 110, 0.06);
            --shadow-lg: 0 12px 28px rgba(30, 64, 110, 0.12);
            --shadow-hover: 0 16px 36px rgba(30, 64, 110, 0.16);
            --transition: all 0.25s ease;
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --header-height: 68px;
            --bottom-tab-height: 64px;
            --section-spacing: 72px;
            --card-gap: 24px;
            --card-padding: 28px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-stack);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-dark);
            background: var(--bg-body);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

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

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

        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border-radius: var(--radius-sm);
            border: 1px solid #D1D5DB;
            padding: 12px 16px;
            background: var(--bg-card);
            color: var(--text-dark);
            transition: var(--transition);
            width: 100%;
            outline: none;
        }
        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 99, 208, 0.12);
        }
        input::placeholder {
            color: var(--text-light);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ===== 顶部导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            height: var(--header-height);
            display: flex;
            align-items: center;
            box-shadow: 0 1px 8px rgba(30, 64, 110, 0.04);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            gap: 20px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 22px;
            color: var(--text-dark);
            letter-spacing: 0.5px;
        }
        .logo:hover {
            color: var(--text-dark);
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            flex-shrink: 0;
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }
        .nav-desktop a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .nav-desktop a:hover {
            color: var(--primary);
            background: var(--bg-blue);
        }
        .nav-desktop a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            background: transparent;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-dark);
            border-radius: 2px;
            transition: var(--transition);
        }
        .hamburger:hover {
            background: var(--bg-blue);
        }

        /* 移动端菜单抽屉 */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 12px 28px rgba(30, 64, 110, 0.1);
            z-index: 999;
            padding: 16px 24px;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-drawer.open {
            display: flex;
        }
        .mobile-drawer a {
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-dark);
            transition: var(--transition);
        }
        .mobile-drawer a:hover {
            background: var(--bg-blue);
            color: var(--primary);
        }
        .mobile-drawer a.active {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
            text-decoration: none;
            white-space: nowrap;
            line-height: 1.4;
        }
        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn:active {
            transform: scale(0.98);
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border: 1px solid var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            box-shadow: 0 6px 16px rgba(30, 99, 208, 0.25);
        }
        .btn-secondary {
            background: #fff;
            color: var(--primary);
            border: 1px solid var(--primary);
        }
        .btn-secondary:hover {
            background: var(--bg-blue);
            border-color: var(--primary);
            color: var(--primary-dark);
            box-shadow: 0 4px 12px rgba(30, 99, 208, 0.12);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
            border-radius: 8px;
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.4);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-wrapper {
            padding: 28px 0 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            list-style: none;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            color: var(--text-light);
            margin-left: 4px;
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .current {
            color: var(--text-dark);
            font-weight: 500;
        }

        /* ===== 分类页头 ===== */
        .category-hero {
            padding: 32px 0 24px;
            background: transparent;
        }
        .category-hero h1 {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-dark);
            letter-spacing: -0.5px;
        }
        .category-hero .cat-subtitle {
            margin-top: 12px;
            font-size: 16px;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.8;
        }
        .category-hero .cat-meta {
            margin-top: 16px;
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-light);
        }
        .category-hero .cat-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            padding: 4px 12px;
            border-radius: 20px;
        }

        /* ===== 区块通用 ===== */
        .section {
            padding: 36px 0;
        }
        .section-title {
            font-size: 28px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--text-dark);
            margin-bottom: 8px;
            letter-spacing: -0.3px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        /* ===== 标签云 ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
        }
        .tag-chip {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            background: var(--bg-blue);
            color: var(--primary);
            border: 1px solid transparent;
            transition: var(--transition);
            text-decoration: none;
        }
        .tag-chip:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary);
            transform: translateY(-1px);
        }
        .tag-chip.hot {
            background: var(--green-light);
            color: var(--green);
        }

        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }
        .card-grid.two-col {
            grid-template-columns: repeat(2, 1fr);
        }
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: var(--card-padding);
            box-shadow: var(--shadow-md);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }
        .card-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 16px;
            aspect-ratio: 16 / 9;
            background: var(--bg-blue);
        }
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-md);
            transition: var(--transition);
        }
        .card:hover .card-img img {
            transform: scale(1.03);
        }
        .card-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
            background: var(--primary-light);
            color: var(--primary);
            margin-bottom: 8px;
            align-self: flex-start;
        }
        .card-badge.green {
            background: var(--green-light);
            color: var(--green);
        }
        .card-badge.accent {
            background: var(--accent-light);
            color: var(--accent);
        }
        .card-title {
            font-size: 19px;
            font-weight: 600;
            line-height: 1.45;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .card-title a {
            color: var(--text-dark);
        }
        .card-title a:hover {
            color: var(--primary);
        }
        .card-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 4;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-top: auto;
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }
        .card-meta {
            font-size: 12px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            white-space: nowrap;
        }
        .card-link:hover {
            color: var(--primary-dark);
        }

        /* ===== 热帖列表（横向） ===== */
        .post-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .post-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            text-decoration: none;
        }
        .post-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }
        .post-item .post-thumb {
            width: 120px;
            height: 80px;
            flex-shrink: 0;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--bg-blue);
        }
        .post-item .post-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-sm);
        }
        .post-item .post-content {
            flex: 1;
            min-width: 0;
        }
        .post-item .post-top {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 6px;
            flex-wrap: wrap;
        }
        .post-item .post-date {
            font-size: 12px;
            color: var(--text-light);
            white-space: nowrap;
        }
        .post-item .post-tag {
            font-size: 12px;
            font-weight: 500;
            padding: 2px 8px;
            border-radius: 4px;
            background: var(--bg-blue);
            color: var(--primary);
            white-space: nowrap;
        }
        .post-item .post-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .post-item:hover .post-title {
            color: var(--primary);
        }
        .post-item .post-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .post-item .post-readmore {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            margin-top: 6px;
            display: inline-block;
        }

        /* ===== 数据速览 ===== */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            box-shadow: var(--shadow-sm);
        }
        .stat-item {
            text-align: center;
        }
        .stat-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.5px;
            line-height: 1.2;
        }
        .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== 贴士卡片 ===== */
        .tips-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .tip-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            text-align: left;
        }
        .tip-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }
        .tip-icon {
            font-size: 28px;
            margin-bottom: 12px;
            display: inline-flex;
            width: 48px;
            height: 48px;
            align-items: center;
            justify-content: center;
            background: var(--bg-blue);
            border-radius: var(--radius-md);
        }
        .tip-card h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-dark);
        }
        .tip-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
        }

        /* ===== 订阅CTA ===== */
        .subscribe-section {
            background: var(--bg-blue);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .subscribe-section h2 {
            font-size: 28px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .subscribe-section p {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.8;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 220px;
            padding: 13px 18px;
            border-radius: 10px;
            border: 1px solid #D1D5DB;
            background: #fff;
            font-size: 15px;
        }
        .subscribe-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 99, 208, 0.12);
            outline: none;
        }
        .subscribe-form .btn {
            flex-shrink: 0;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-footer);
            color: #fff;
            margin-top: 56px;
            padding: 56px 0 24px;
        }
        .site-footer .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand .logo:hover {
            color: #fff;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.8;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
            color: #fff;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.65);
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ===== 移动端底部Tab ===== */
        .bottom-tabs {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: #fff;
            border-top: 1px solid var(--border);
            height: var(--bottom-tab-height);
            box-shadow: 0 -2px 12px rgba(30, 64, 110, 0.08);
        }
        .bottom-tabs-inner {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            height: 100%;
            align-items: center;
        }
        .bottom-tab {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            font-size: 11px;
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition);
            height: 100%;
            padding: 4px 0;
        }
        .bottom-tab .tab-icon {
            font-size: 20px;
            line-height: 1;
        }
        .bottom-tab:hover {
            color: var(--primary);
            background: var(--bg-blue);
        }
        .bottom-tab.active {
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== 底部固定转化条 ===== */
        .floating-cta {
            position: fixed;
            bottom: 24px;
            right: 24px;
            z-index: 998;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 18px 22px;
            box-shadow: var(--shadow-lg);
            max-width: 320px;
            display: flex;
            align-items: center;
            gap: 14px;
            transition: var(--transition);
            transform: translateY(0);
            opacity: 1;
        }
        .floating-cta.hidden {
            transform: translateY(120%);
            opacity: 0;
            pointer-events: none;
        }
        .floating-cta .fc-text {
            flex: 1;
            min-width: 0;
        }
        .floating-cta .fc-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 2px;
        }
        .floating-cta .fc-sub {
            font-size: 13px;
            color: var(--text-muted);
        }
        .floating-cta .fc-close {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--bg-body);
            color: var(--text-muted);
            font-size: 16px;
            transition: var(--transition);
            border: 1px solid var(--border);
        }
        .floating-cta .fc-close:hover {
            background: var(--border);
            color: var(--text-dark);
        }
        .floating-cta .btn {
            flex-shrink: 0;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            :root {
                --section-spacing: 56px;
                --card-padding: 22px;
                --header-height: 62px;
            }
            .nav-desktop {
                gap: 2px;
            }
            .nav-desktop a {
                padding: 8px 10px;
                font-size: 13px;
            }
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid.two-col {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                padding: 22px 24px;
            }
            .tips-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .category-hero h1 {
                font-size: 34px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-spacing: 44px;
                --card-gap: 16px;
                --card-padding: 20px;
                --header-height: 56px;
                --bottom-tab-height: 60px;
            }
            body {
                padding-bottom: var(--bottom-tab-height);
            }
            .nav-desktop {
                display: none;
            }
            .nav-cta .btn {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-drawer {
                display: none;
            }
            .mobile-drawer.open {
                display: flex;
            }
            .bottom-tabs {
                display: block;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .card-grid.two-col {
                grid-template-columns: 1fr;
            }
            .tips-row {
                grid-template-columns: 1fr;
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-number {
                font-size: 24px;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .category-hero .cat-subtitle {
                font-size: 15px;
            }
            .section-title {
                font-size: 24px;
            }
            .post-item {
                flex-direction: column;
                gap: 14px;
                padding: 16px 18px;
            }
            .post-item .post-thumb {
                width: 100%;
                height: auto;
                aspect-ratio: 16 / 9;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .subscribe-section {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }
            .subscribe-section h2 {
                font-size: 22px;
            }
            .subscribe-form {
                flex-direction: column;
                align-items: stretch;
            }
            .floating-cta {
                bottom: calc(var(--bottom-tab-height) + 12px);
                right: 12px;
                left: 12px;
                max-width: none;
                padding: 14px 18px;
            }
            .site-footer {
                margin-top: 32px;
                padding: 40px 0 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .site-header .container {
                padding: 0 16px;
            }
            .logo {
                font-size: 19px;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }
            .stats-bar {
                grid-template-columns: 1fr 1fr;
                padding: 18px;
            }
            .stat-number {
                font-size: 22px;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .card-title {
                font-size: 17px;
            }
            .post-item .post-title {
                font-size: 15px;
            }
            .post-item .post-excerpt {
                font-size: 13px;
            }
            .section-title {
                font-size: 21px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 14px;
            }
        }

/* roulang page: category7 */
:root {
            --primary: #1E63D0;
            --primary-dark: #164D9F;
            --primary-light: #E8F0FE;
            --accent: #10B8C7;
            --accent-light: #E6F9FB;
            --text-dark: #1F2937;
            --text-muted: #6B7280;
            --text-light: #9CA3AF;
            --border: #E5E7EB;
            --border-light: #EBEEF5;
            --bg-blue: #F0F4FF;
            --bg-body: #F5F7FB;
            --bg-card: #FFFFFF;
            --bg-footer: #0F1D32;
            --green: #17A34A;
            --green-light: #E8F7EE;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(30, 64, 110, 0.06);
            --shadow-md: 0 4px 14px rgba(30, 64, 110, 0.06);
            --shadow-lg: 0 12px 28px rgba(30, 64, 110, 0.12);
            --shadow-hover: 0 16px 36px rgba(30, 64, 110, 0.16);
            --transition: all 0.25s ease;
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --header-height: 68px;
            --bottom-tab-height: 64px;
            --section-spacing: 88px;
            --card-gap: 24px;
            --card-padding: 28px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-stack);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-dark);
            background: var(--bg-body);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: var(--bottom-tab-height);
        }

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

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }

        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border-radius: var(--radius-sm);
            border: 1px solid #D1D5DB;
            padding: 12px 16px;
            background: var(--bg-card);
            color: var(--text-dark);
            transition: var(--transition);
            width: 100%;
            outline: none;
        }

        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 99, 208, 0.12);
        }

        input::placeholder {
            color: var(--text-light);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== 顶部导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            gap: 20px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 22px;
            color: var(--text-dark);
            letter-spacing: 0.5px;
        }

        .logo:hover {
            color: var(--text-dark);
        }

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

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }

        .nav-desktop a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-desktop a:hover {
            color: var(--primary);
            background: var(--bg-blue);
        }

        .nav-desktop a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 2px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition);
            cursor: pointer;
            text-align: center;
            white-space: nowrap;
            border: none;
            line-height: 1.2;
        }

        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn:active {
            transform: scale(0.98);
        }

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

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

        .btn-secondary {
            background: #fff;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-secondary:hover {
            background: var(--bg-blue);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        .btn-sm {
            padding: 9px 18px;
            font-size: 13px;
            border-radius: 8px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            align-items: center;
            background: transparent;
            border: none;
            cursor: pointer;
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-dark);
            border-radius: 2px;
            transition: var(--transition);
        }

        .hamburger:hover span {
            background: var(--primary);
        }

        /* ========== 移动端底部Tab ========== */
        .mobile-tab-bar {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: #fff;
            border-top: 1px solid var(--border);
            height: var(--bottom-tab-height);
            align-items: center;
            justify-content: space-around;
            padding: 0 8px;
            box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.04);
        }

        .mobile-tab-bar a {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
            font-size: 11px;
            font-weight: 500;
            color: var(--text-muted);
            flex: 1;
            min-width: 0;
            padding: 6px 4px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .mobile-tab-bar a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .mobile-tab-bar a:hover {
            color: var(--primary);
            background: var(--bg-blue);
        }

        .mobile-tab-bar .tab-icon {
            font-size: 20px;
            line-height: 1;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            padding: 20px 0 12px;
        }

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

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

        .breadcrumb .sep {
            color: var(--text-light);
            user-select: none;
        }

        .breadcrumb .current {
            color: var(--text-dark);
            font-weight: 500;
        }

        /* ========== 分类页头 ========== */
        .category-hero {
            background: var(--bg-blue);
            border-radius: var(--radius-xl);
            padding: 36px 40px;
            margin-bottom: 40px;
            border: 1px solid var(--border-light);
        }

        .category-hero h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .category-hero .desc {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 800px;
            line-height: 1.8;
        }

        /* ========== 板块通用 ========== */
        section {
            padding: var(--section-spacing) 0;
        }

        .section-header {
            margin-bottom: 32px;
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 10px;
            line-height: 1.3;
        }

        .section-header .sub {
            font-size: 15px;
            color: var(--text-muted);
        }

        .section-header .actions {
            margin-top: 16px;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .bg-white-section {
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            padding: 40px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-md);
        }

        .bg-blue-section {
            background: var(--bg-blue);
            border-radius: var(--radius-xl);
            padding: 40px;
            border: 1px solid var(--border-light);
        }

        /* ========== 卡片网格 ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }

        .card-grid.two-col {
            grid-template-columns: repeat(2, 1fr);
        }

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

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

        .card .card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-blue);
            position: relative;
        }

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

        .card:hover .card-img img {
            transform: scale(1.03);
        }

        .card .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(255, 255, 255, 0.95);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            box-shadow: var(--shadow-sm);
        }

        .card .card-body {
            padding: var(--card-padding);
            display: flex;
            flex-direction: column;
            flex: 1;
        }

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

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

        .card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-light);
            margin-bottom: 14px;
        }

        .card .card-link {
            align-self: flex-start;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

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

        .card .card-link::after {
            content: '→';
            transition: var(--transition);
        }

        /* ========== 装备卡片特殊 ========== */
        .gear-price {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
        }

        .gear-price .unit {
            font-size: 12px;
            font-weight: 400;
            color: var(--text-light);
            margin-left: 2px;
        }

        .gear-rating {
            display: flex;
            align-items: center;
            gap: 4px;
            color: #F59E0B;
            font-size: 13px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: 10px;
            background: var(--bg-card);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            background: #F6F9FF;
            border-color: var(--primary-light);
        }

        .faq-item .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            gap: 16px;
            border: none;
            background: none;
            width: 100%;
            text-align: left;
        }

        .faq-item .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 400;
            transition: var(--transition);
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        /* ========== 保障条 ========== */
        .guarantee-bar {
            display: flex;
            align-items: center;
            justify-content: space-around;
            gap: 20px;
            flex-wrap: wrap;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }

        .guarantee-item .g-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--green-light);
            color: var(--green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        /* ========== 订阅CTA ========== */
        .subscribe-cta {
            background: var(--bg-blue);
            border-radius: var(--radius-xl);
            padding: 48px;
            text-align: center;
            border: 1px solid var(--border-light);
        }

        .subscribe-cta h2 {
            font-size: 26px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 12px;
        }

        .subscribe-cta p {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 24px;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
        }

        .subscribe-form input {
            flex: 1;
        }

        .subscribe-form .btn {
            flex-shrink: 0;
        }

        .rss-links {
            margin-top: 16px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .rss-links a {
            color: var(--primary);
            margin: 0 6px;
            font-weight: 500;
        }

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

        /* ========== 底部固定转化条 ========== */
        .floating-cta {
            position: fixed;
            bottom: 24px;
            right: 24px;
            z-index: 998;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-hover);
            border: 1px solid var(--border-light);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            max-width: 320px;
            transition: var(--transition);
        }

        .floating-cta .fc-text {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .floating-cta .fc-text strong {
            color: var(--text-dark);
            display: block;
            font-size: 14px;
            margin-bottom: 2px;
        }

        .floating-cta .fc-close {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-blue);
            color: var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            transition: var(--transition);
            flex-shrink: 0;
            cursor: pointer;
        }

        .floating-cta .fc-close:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-footer);
            color: #D1D5DB;
            padding: 60px 0 30px;
            margin-top: 40px;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .site-footer .footer-brand .logo {
            color: #fff;
            font-size: 22px;
            margin-bottom: 16px;
        }

        .site-footer .footer-brand .logo-icon {
            background: var(--primary);
        }

        .site-footer .footer-brand p {
            font-size: 14px;
            color: #9CA3AF;
            line-height: 1.8;
            max-width: 320px;
        }

        .site-footer .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

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

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

        .site-footer .footer-col ul li a {
            color: #9CA3AF;
            font-size: 13px;
            transition: var(--transition);
        }

        .site-footer .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: #9CA3AF;
        }

        .site-footer .footer-bottom a {
            color: #9CA3AF;
            margin: 0 4px;
        }

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

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .container {
                padding: 0 20px;
            }

            .category-hero {
                padding: 28px 24px;
            }

            .bg-white-section,
            .bg-blue-section {
                padding: 28px 24px;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-spacing: 52px;
                --card-padding: 20px;
                --card-gap: 16px;
                --header-height: 60px;
            }

            .nav-desktop {
                display: none;
            }

            .nav-cta .btn {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .mobile-tab-bar {
                display: flex;
            }

            body {
                padding-bottom: var(--bottom-tab-height);
            }

            .card-grid,
            .card-grid.two-col {
                grid-template-columns: 1fr;
            }

            .category-hero h1 {
                font-size: 28px;
            }

            .section-header h2 {
                font-size: 24px;
            }

            .subscribe-cta {
                padding: 32px 20px;
            }

            .subscribe-form {
                flex-direction: column;
                gap: 10px;
            }

            .subscribe-cta .btn {
                width: 100%;
            }

            .guarantee-bar {
                padding: 20px;
                justify-content: flex-start;
                gap: 16px;
            }

            .guarantee-item {
                flex: 1 1 100%;
            }

            .floating-cta {
                bottom: 76px;
                right: 16px;
                left: 16px;
                max-width: none;
            }

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

            .site-footer {
                padding: 40px 0 20px;
            }

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

            .bg-white-section,
            .bg-blue-section {
                padding: 22px 18px;
            }

            .category-hero {
                padding: 22px 18px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-spacing: 40px;
                --card-padding: 18px;
            }

            .container {
                padding: 0 16px;
            }

            .category-hero h1 {
                font-size: 24px;
            }

            .section-header h2 {
                font-size: 22px;
            }

            .card .card-title {
                font-size: 16px;
            }

            .card .card-summary {
                font-size: 13px;
            }

            .floating-cta {
                padding: 12px 14px;
                gap: 10px;
            }

            .floating-cta .fc-text {
                font-size: 12px;
            }
        }

        /* 移动端抽屉菜单 */
        @media (max-width: 768px) {
            .mobile-drawer {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                z-index: 997;
                padding: 20px;
                display: flex;
                flex-direction: column;
                gap: 8px;
                transform: translateX(-100%);
                transition: transform 0.3s ease;
                overflow-y: auto;
            }

            .mobile-drawer.open {
                transform: translateX(0);
            }

            .mobile-drawer a {
                display: block;
                padding: 14px 16px;
                font-size: 16px;
                font-weight: 500;
                color: var(--text-dark);
                border-radius: var(--radius-md);
                transition: var(--transition);
            }

            .mobile-drawer a:hover {
                background: var(--bg-blue);
                color: var(--primary);
            }

            .mobile-drawer a.active {
                background: var(--primary-light);
                color: var(--primary);
                font-weight: 600;
            }
        }