/* roulang page: index */
:root {
            --primary-blue: #2B6CB0;
            --primary-blue-dark: #1F5FA6;
            --primary-blue-light: #EBF3FA;
            --accent-orange: #F97316;
            --accent-orange-light: #F59E0B;
            --dark-bg: #102A43;
            --dark-bg-secondary: #0F2A4A;
            --card-bg: #FFFFFF;
            --border-color: #E3ECF5;
            --bg-main: #F4F8FC;
            --bg-light: #EAF3FB;
            --text-primary: #1A2B3C;
            --text-secondary: #486581;
            --text-weak: #829AB1;
            --text-white: #FFFFFF;
            --radius-card: 14px;
            --radius-card-sm: 10px;
            --radius-btn: 10px;
            --radius-tag: 999px;
            --shadow-card: 0 8px 24px rgba(15, 40, 80, 0.07);
            --shadow-hover: 0 14px 34px rgba(15, 40, 80, 0.12);
            --shadow-cta: 0 12px 40px rgba(15, 40, 80, 0.22);
            --transition-base: 0.2s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --sidebar-width: 280px;
        }

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

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-main);
            min-height: 100vh;
        }

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

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary-blue);
            outline-offset: 2px;
            border-radius: 4px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-stack);
            color: var(--text-primary);
            font-weight: 700;
            line-height: 1.25;
            margin: 0 0 0.75rem;
        }

        h1 {
            font-size: 42px;
            line-height: 1.2;
            font-weight: 700;
            letter-spacing: -0.5px;
        }

        h2 {
            font-size: 30px;
            font-weight: 700;
            letter-spacing: -0.3px;
            margin-bottom: 0.75rem;
        }

        h3 {
            font-size: 21px;
            font-weight: 600;
        }

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

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-padding {
            padding: 80px 0;
        }

        .section-padding-sm {
            padding: 56px 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-blue);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 12px;
            background: var(--primary-blue-light);
            padding: 6px 16px;
            border-radius: var(--radius-tag);
        }

        .section-label i {
            font-size: 12px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 2rem;
        }

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

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

        /* ========== 左侧竖向导航 ========== */
        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--bg-light);
            border-right: 1px solid var(--border-color);
            z-index: 50;
            display: flex;
            flex-direction: column;
            padding: 24px 16px 20px;
            overflow-y: auto;
            transition: transform 0.3s ease;
        }

        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 8px 12px 20px;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 16px;
        }

        .sidebar-brand-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary-blue);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 20px;
            flex-shrink: 0;
            letter-spacing: -0.5px;
        }

        .sidebar-brand-text h3 {
            font-size: 20px;
            margin: 0;
            color: var(--text-primary);
            font-weight: 700;
            line-height: 1.3;
        }

        .sidebar-brand-text span {
            font-size: 11px;
            color: var(--text-weak);
            text-transform: uppercase;
            letter-spacing: 1.5px;
        }

        .sidebar-nav-menu {
            list-style: none;
            padding: 0;
            margin: 0;
            flex: 1;
        }

        .sidebar-nav-menu li {
            margin-bottom: 6px;
        }

        .sidebar-nav-menu a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: 10px;
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 15px;
            transition: all var(--transition-base);
            position: relative;
        }

        .sidebar-nav-menu a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            color: var(--text-weak);
            transition: color var(--transition-base);
        }

        .sidebar-nav-menu a:hover {
            background: rgba(43, 108, 176, 0.08);
            color: var(--primary-blue);
        }

        .sidebar-nav-menu a:hover i {
            color: var(--primary-blue);
        }

        .sidebar-nav-menu a.active {
            background: var(--primary-blue-light);
            color: var(--primary-blue);
            font-weight: 600;
        }

        .sidebar-nav-menu a.active::before {
            content: '';
            position: absolute;
            left: -16px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 32px;
            background: var(--primary-blue);
            border-radius: 0 4px 4px 0;
        }

        .sidebar-nav-menu a.active i {
            color: var(--primary-blue);
        }

        .sidebar-footer-links {
            padding: 16px 12px 8px;
            border-top: 1px solid var(--border-color);
        }

        .sidebar-footer-links a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-weak);
            margin-right: 12px;
            transition: color var(--transition-base);
        }

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

        .sidebar-footer-links .sidebar-beian {
            font-size: 11px;
            color: var(--text-weak);
            margin-top: 8px;
            line-height: 1.5;
        }

        /* ========== 移动端顶部导航 ========== */
        .mobile-title-bar {
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            padding: 0 16px;
            position: sticky;
            top: 0;
            z-index: 60;
            display: none;
            height: 60px;
            align-items: center;
            justify-content: space-between;
        }

        .mobile-title-bar .menu-icon {
            cursor: pointer;
            background: none;
            border: none;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            transition: background var(--transition-base);
        }

        .mobile-title-bar .menu-icon:hover {
            background: var(--bg-light);
        }

        .mobile-title-bar .menu-icon i {
            font-size: 22px;
            color: var(--text-primary);
        }

        .mobile-title-bar-brand {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-blue);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .mobile-title-bar-brand .brand-dot {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--primary-blue);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
        }

        .off-canvas .mobile-nav-list {
            list-style: none;
            padding: 20px 16px;
            margin: 0;
        }

        .off-canvas .mobile-nav-list li {
            margin-bottom: 4px;
        }

        .off-canvas .mobile-nav-list a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            border-radius: 10px;
            color: var(--text-secondary);
            font-size: 16px;
            font-weight: 500;
            transition: all var(--transition-base);
        }

        .off-canvas .mobile-nav-list a i {
            width: 20px;
            text-align: center;
            color: var(--text-weak);
        }

        .off-canvas .mobile-nav-list a:hover {
            background: var(--primary-blue-light);
            color: var(--primary-blue);
        }

        .off-canvas .mobile-nav-list a.active {
            background: var(--primary-blue-light);
            color: var(--primary-blue);
            font-weight: 600;
        }

        .off-canvas .mobile-nav-header {
            padding: 20px 16px 12px;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .off-canvas .mobile-nav-header span {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-blue);
        }

        .off-canvas .mobile-nav-header .close-btn {
            background: none;
            border: none;
            font-size: 28px;
            color: var(--text-secondary);
            cursor: pointer;
            line-height: 1;
            padding: 0 4px;
        }

        /* ========== 主内容区 ========== */
        .off-canvas-content {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .main-content {
            flex: 1;
        }

        /* ========== Hero 深色信息面板 ========== */
        .hero-section {
            position: relative;
            background-image: linear-gradient(135deg, rgba(16, 42, 67, 0.92) 0%, rgba(15, 42, 74, 0.96) 50%, rgba(16, 42, 67, 0.9) 100%), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding: 72px 0 64px;
            color: #fff;
            min-height: calc(100vh - 60px);
            display: flex;
            align-items: center;
        }

        .hero-section .hero-inner {
            width: 100%;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 8px 20px;
            border-radius: var(--radius-tag);
            font-size: 13px;
            font-weight: 500;
            color: #E8F0FA;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .hero-badge i {
            color: var(--accent-orange-light);
            font-size: 14px;
        }

        .hero-section h1 {
            font-size: 46px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: -1px;
            line-height: 1.2;
            max-width: 600px;
        }

        .hero-section h1 .highlight {
            color: var(--accent-orange-light);
        }

        .hero-subtitle {
            font-size: 17px;
            line-height: 1.85;
            color: #C8D8E8;
            max-width: 560px;
            margin-bottom: 32px;
        }

        .hero-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            border: none;
            transition: all var(--transition-base);
            text-decoration: none;
            font-family: var(--font-stack);
            letter-spacing: 0.3px;
        }

        .btn i {
            font-size: 16px;
        }

        .btn-primary {
            background: var(--accent-orange);
            color: #fff;
            box-shadow: 0 8px 20px rgba(249, 115, 22, 0.35);
        }

        .btn-primary:hover {
            background: #E8660C;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(249, 115, 22, 0.45);
        }

        .btn-secondary-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            box-shadow: none;
        }

        .btn-secondary-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-blue {
            background: var(--primary-blue);
            color: #fff;
            box-shadow: 0 8px 20px rgba(43, 108, 176, 0.3);
        }

        .btn-blue:hover {
            background: var(--primary-blue-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(43, 108, 176, 0.4);
        }

        .btn-outline-blue {
            background: transparent;
            color: var(--primary-blue);
            border: 2px solid var(--primary-blue);
        }

        .btn-outline-blue:hover {
            background: var(--primary-blue-light);
            color: var(--primary-blue-dark);
            transform: translateY(-2px);
        }

        .hero-trust-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }

        .hero-trust-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #C8D8E8;
            font-size: 14px;
        }

        .hero-trust-item i {
            color: var(--accent-orange-light);
            font-size: 18px;
        }

        .hero-trust-item strong {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            display: block;
            line-height: 1.2;
        }

        .hero-trust-item span {
            font-size: 13px;
            color: #A0BBD0;
        }

        /* Hero 右侧数据榜单 */
        .hero-data-panel {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 16px;
            padding: 24px;
            backdrop-filter: blur(4px);
        }

        .hero-data-panel .panel-title {
            font-size: 15px;
            font-weight: 600;
            color: #E8F0FA;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .hero-data-panel .panel-title i {
            color: var(--accent-orange-light);
        }

        .hero-score-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

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

        .hero-score-teams {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: #E8F0FA;
            font-weight: 500;
            min-width: 0;
            flex: 1;
        }

        .hero-score-teams .team-name {
            max-width: 80px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .hero-score-result {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
            margin: 0 12px;
        }

        .hero-score-status {
            font-size: 12px;
            padding: 4px 10px;
            border-radius: var(--radius-tag);
            background: rgba(249, 115, 22, 0.25);
            color: var(--accent-orange-light);
            font-weight: 600;
            white-space: nowrap;
        }

        .hero-score-status.live {
            background: rgba(239, 68, 68, 0.3);
            color: #FCA5A5;
        }

        .hero-score-status.upcoming {
            background: rgba(43, 108, 176, 0.3);
            color: #93C5FD;
        }

        /* ========== 板块通用 ========== */
        .card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            overflow: hidden;
        }

        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--primary-blue);
        }

        .card-img-container {
            border-radius: var(--radius-card-sm);
            overflow: hidden;
            background: var(--bg-light);
            position: relative;
        }

        .card-img-container img {
            width: 100%;
            object-fit: cover;
            display: block;
        }

        .card-body {
            padding: 22px 24px;
        }

        .card-tag {
            display: inline-flex;
            align-items: center;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-tag);
            background: var(--primary-blue-light);
            color: var(--primary-blue);
            letter-spacing: 0.5px;
            margin-bottom: 10px;
        }

        .card-tag.orange {
            background: #FFF3EB;
            color: var(--accent-orange);
        }

        .card-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.45;
        }

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

        /* ========== 直播预告板块 ========== */
        .live-section {
            background: #fff;
        }

        .live-card-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .live-card {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-color);
            background: var(--card-bg);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }

        .live-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .live-card-img {
            height: 200px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .live-card-img .live-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent-orange);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: var(--radius-tag);
            letter-spacing: 1px;
        }

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

        .live-card-meta {
            font-size: 13px;
            color: var(--text-weak);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 8px;
        }

        .live-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }

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

        /* ========== 看点列表（图文交错） ========== */
        .highlight-section {
            background: var(--bg-main);
        }

        .highlight-item {
            display: flex;
            gap: 32px;
            align-items: center;
            margin-bottom: 48px;
        }

        .highlight-item:last-child {
            margin-bottom: 0;
        }

        .highlight-item.reverse {
            flex-direction: row-reverse;
        }

        .highlight-img {
            flex: 1 1 48%;
            min-width: 0;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            aspect-ratio: 4/3;
            background: var(--bg-light);
        }

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

        .highlight-text {
            flex: 1 1 52%;
            min-width: 0;
        }

        .highlight-text h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .highlight-text p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary-blue);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition-base);
        }

        .text-link i {
            font-size: 14px;
            transition: transform var(--transition-base);
        }

        .text-link:hover {
            color: var(--primary-blue-dark);
        }

        .text-link:hover i {
            transform: translateX(4px);
        }

        /* ========== 资讯板块 ========== */
        .news-section {
            background: #fff;
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
        }

        .news-list .news-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-color);
            transition: all var(--transition-base);
        }

        .news-list .news-item:first-child {
            padding-top: 0;
        }

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

        .news-item-date {
            flex-shrink: 0;
            width: 72px;
            text-align: center;
            background: var(--bg-light);
            border-radius: 10px;
            padding: 10px 8px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            height: fit-content;
        }

        .news-item-date .day {
            font-size: 26px;
            font-weight: 700;
            color: var(--primary-blue);
            line-height: 1.1;
        }

        .news-item-date .month {
            font-size: 13px;
            color: var(--text-weak);
            font-weight: 500;
        }

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

        .news-item-content h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.45;
        }

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

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

        .news-read-more i {
            font-size: 12px;
            transition: transform var(--transition-base);
        }

        .news-read-more:hover i {
            transform: translateX(4px);
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .news-sidebar-card {
            background: var(--bg-light);
            border-radius: var(--radius-card);
            padding: 20px 22px;
            border: 1px solid var(--border-color);
        }

        .news-sidebar-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .news-sidebar-card h4 i {
            color: var(--accent-orange);
        }

        .news-sidebar-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .news-sidebar-list li {
            padding: 8px 0;
            border-bottom: 1px solid rgba(227, 236, 245, 0.6);
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .news-sidebar-list li:last-child {
            border-bottom: none;
        }

        .news-sidebar-list li i {
            color: var(--accent-orange);
            font-size: 10px;
            margin-top: 6px;
            flex-shrink: 0;
        }

        /* ========== 口碑气泡 ========== */
        .testimonial-section {
            background: var(--bg-main);
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-bubble {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
            position: relative;
            transition: all var(--transition-base);
        }

        .testimonial-bubble:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--primary-blue);
        }

        .testimonial-bubble .quote-mark {
            font-size: 40px;
            color: var(--primary-blue-light);
            position: absolute;
            top: 12px;
            right: 20px;
            font-family: Georgia, serif;
            line-height: 1;
        }

        .testimonial-bubble .testimonial-text {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

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

        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-blue-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-blue);
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }

        .testimonial-user-info .user-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.3;
        }

        .testimonial-user-info .user-tag {
            font-size: 12px;
            color: var(--text-weak);
        }

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

        /* ========== 使用指南 ========== */
        .guide-section {
            background: #fff;
        }

        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .guide-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }

        .guide-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .guide-step-num {
            font-size: 42px;
            font-weight: 700;
            color: var(--primary-blue-light);
            line-height: 1;
            margin-bottom: 12px;
            letter-spacing: -1px;
        }

        .guide-card h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .guide-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }

        .brand-intro-block {
            background: var(--dark-bg);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            margin-top: 40px;
            color: #E8F0FA;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .brand-intro-block h3 {
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .brand-intro-block h3 i {
            color: var(--accent-orange-light);
        }

        .brand-intro-block p {
            color: #C8D8E8;
            font-size: 15px;
            line-height: 1.85;
            margin-bottom: 10px;
        }

        /* ========== 提醒订阅 ========== */
        .subscribe-section {
            background: var(--bg-main);
        }

        .subscribe-card {
            background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-bg-secondary) 100%);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-cta);
        }

        .subscribe-text {
            flex: 1 1 300px;
            min-width: 0;
        }

        .subscribe-text h3 {
            color: #fff;
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .subscribe-text p {
            color: #C8D8E8;
            font-size: 15px;
            line-height: 1.75;
            margin-bottom: 0;
        }

        .subscribe-form {
            flex: 1 1 320px;
            min-width: 0;
            display: flex;
            gap: 12px;
        }

        .subscribe-form input[type="email"],
        .subscribe-form input[type="text"] {
            flex: 1;
            padding: 14px 18px;
            border: 2px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-btn);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 15px;
            font-family: var(--font-stack);
            transition: all var(--transition-base);
        }

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

        .subscribe-form input:focus {
            border-color: var(--accent-orange);
            outline: none;
            background: rgba(255, 255, 255, 0.12);
        }

        .subscribe-form .btn {
            white-space: nowrap;
            flex-shrink: 0;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: #fff;
        }

        .accordion {
            max-width: 800px;
            margin: 0 auto;
            list-style: none;
            padding: 0;
        }

        .accordion .accordion-item {
            margin-bottom: 12px;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            background: var(--card-bg);
            transition: all var(--transition-base);
        }

        .accordion .accordion-item:hover {
            border-color: var(--primary-blue);
            box-shadow: var(--shadow-card);
        }

        .accordion .accordion-item.is-active {
            border-color: var(--primary-blue);
            box-shadow: var(--shadow-card);
            background: var(--primary-blue-light);
        }

        .accordion .accordion-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            padding: 18px 24px;
            display: flex;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            transition: all var(--transition-base);
            border: none;
            background: transparent;
            width: 100%;
            text-align: left;
            font-family: var(--font-stack);
            line-height: 1.5;
        }

        .accordion .accordion-title::before {
            content: '+';
            font-size: 24px;
            font-weight: 300;
            color: var(--primary-blue);
            flex-shrink: 0;
            line-height: 1;
            transition: transform var(--transition-base);
        }

        .accordion .accordion-item.is-active .accordion-title::before {
            content: '−';
            transform: rotate(180deg);
        }

        .accordion .accordion-content {
            padding: 0 24px 20px 24px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            display: none;
        }

        .accordion .accordion-item.is-active .accordion-content {
            display: block;
        }

        .accordion .accordion-content p {
            margin-bottom: 0;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--dark-bg);
            color: #E8F0FA;
            padding: 48px 0 32px;
            margin-top: 0;
        }

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

        .site-footer .footer-brand h3 {
            color: #fff;
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .site-footer .footer-brand h3 i {
            color: var(--accent-orange-light);
            font-size: 20px;
        }

        .site-footer .footer-brand p {
            color: #A0BBD0;
            font-size: 14px;
            line-height: 1.7;
        }

        .site-footer .footer-col h5 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

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

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

        .site-footer .footer-col ul li a {
            color: #A0BBD0;
            font-size: 14px;
            transition: color var(--transition-base);
        }

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

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            font-size: 13px;
            color: #829AB1;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: space-between;
        }

        .site-footer .footer-bottom a {
            color: #A0BBD0;
            font-size: 13px;
        }

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

        .site-footer .footer-beian {
            font-size: 12px;
            color: #829AB1;
        }

        /* ========== 底部固定转化条 ========== */
        .bottom-cta-bar {
            position: fixed;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            width: 720px;
            max-width: calc(100% - 32px);
            z-index: 80;
            background: var(--dark-bg);
            border-radius: 16px;
            padding: 16px 24px;
            box-shadow: var(--shadow-cta);
            display: flex;
            align-items: center;
            gap: 20px;
            transition: all 0.4s ease;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .bottom-cta-bar.cta-hidden {
            opacity: 0;
            pointer-events: none;
            transform: translateX(-50%) translateY(20px);
        }

        .bottom-cta-bar .cta-text {
            flex: 1;
            min-width: 0;
        }

        .bottom-cta-bar .cta-text strong {
            display: block;
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
        }

        .bottom-cta-bar .cta-text span {
            display: block;
            color: #A0BBD0;
            font-size: 13px;
            line-height: 1.4;
        }

        .bottom-cta-bar .btn {
            flex-shrink: 0;
            white-space: nowrap;
        }

        /* ========== 响应式设计 ========== */
        @media (max-width: 1023px) {
            .sidebar-nav {
                display: none;
            }

            .off-canvas-content {
                margin-left: 0;
            }

            .mobile-title-bar {
                display: flex;
            }

            .hero-section {
                min-height: auto;
                padding: 48px 0 40px;
            }

            .hero-section h1 {
                font-size: 32px;
                max-width: 100%;
            }

            .hero-subtitle {
                font-size: 15px;
                max-width: 100%;
            }

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

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

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

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

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

            .bottom-cta-bar {
                width: calc(100% - 32px);
                flex-wrap: wrap;
                bottom: 12px;
            }

            .subscribe-card {
                padding: 32px 24px;
                flex-direction: column;
                align-items: flex-start;
            }

            .section-padding {
                padding: 56px 0;
            }

            .section-title {
                font-size: 26px;
            }
        }

        @media (max-width: 767px) {
            .hero-section {
                padding: 36px 0 32px;
            }

            .hero-section h1 {
                font-size: 28px;
                letter-spacing: -0.5px;
            }

            .hero-subtitle {
                font-size: 14px;
                line-height: 1.75;
            }

            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }

            .hero-cta-group .btn {
                width: 100%;
                justify-content: center;
            }

            .hero-trust-row {
                gap: 16px;
            }

            .hero-trust-item {
                font-size: 12px;
                flex-direction: column;
                align-items: flex-start;
                gap: 2px;
            }

            .hero-trust-item strong {
                font-size: 18px;
            }

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

            .highlight-item,
            .highlight-item.reverse {
                flex-direction: column;
                gap: 20px;
            }

            .highlight-img {
                width: 100%;
            }

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

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

            .news-list .news-item {
                flex-direction: column;
                gap: 10px;
            }

            .news-item-date {
                width: 100%;
                flex-direction: row;
                gap: 8px;
                justify-content: flex-start;
                padding: 8px 12px;
            }

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

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

            .bottom-cta-bar {
                flex-direction: column;
                align-items: stretch;
                gap: 12px;
                padding: 16px;
                bottom: 8px;
            }

            .bottom-cta-bar .btn {
                width: 100%;
                justify-content: center;
            }

            .bottom-cta-bar .cta-text {
                text-align: center;
            }

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

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

            .section-padding {
                padding: 40px 0;
            }

            .section-padding-sm {
                padding: 32px 0;
            }

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

            .section-desc {
                font-size: 14px;
            }

            .container-custom {
                padding: 0 16px;
            }

            h1 {
                font-size: 28px;
            }

            h2 {
                font-size: 22px;
            }

            h3 {
                font-size: 18px;
            }
        }

        @media (max-width: 519px) {
            .hero-section h1 {
                font-size: 24px;
            }

            .hero-badge {
                font-size: 11px;
                padding: 6px 14px;
            }

            .btn {
                padding: 12px 20px;
                font-size: 14px;
            }

            .live-card-img {
                height: 160px;
            }

            .testimonial-bubble {
                padding: 20px 16px;
            }

            .brand-intro-block {
                padding: 24px 18px;
            }
        }

        /* Foundation 覆盖 */
        .button {
            border-radius: var(--radius-btn);
            font-family: var(--font-stack);
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all var(--transition-base);
            padding: 14px 28px;
        }

        .button:hover {
            transform: translateY(-2px);
        }

        .button.primary {
            background: var(--primary-blue);
        }

        .button.primary:hover {
            background: var(--primary-blue-dark);
        }

        .grid-x {
            margin: 0;
        }

        .cell {
            padding: 0 12px;
        }

        .off-canvas {
            background: #fff;
        }

        .off-canvas-content {
            transition: margin-left 0.3s ease;
        }

        .title-bar {
            background: #fff;
            border-bottom: 1px solid var(--border-color);
        }

        .title-bar .menu-icon {
            border: none;
            background: none;
            cursor: pointer;
        }

/* roulang page: category1 */
:root {
            --primary-blue: #2B6CB0;
            --primary-blue-dark: #1F5FA6;
            --primary-blue-light: #EBF3FA;
            --accent-orange: #F97316;
            --accent-orange-light: #F59E0B;
            --dark-bg: #102A43;
            --dark-bg-secondary: #0F2A4A;
            --card-bg: #FFFFFF;
            --border-color: #E3ECF5;
            --bg-main: #F4F8FC;
            --bg-light: #EAF3FB;
            --text-primary: #1A2B3C;
            --text-secondary: #486581;
            --text-weak: #829AB1;
            --text-white: #FFFFFF;
            --radius-card: 14px;
            --radius-card-sm: 10px;
            --radius-btn: 10px;
            --radius-tag: 999px;
            --shadow-card: 0 8px 24px rgba(15, 40, 80, 0.07);
            --shadow-hover: 0 14px 34px rgba(15, 40, 80, 0.12);
            --shadow-cta: 0 12px 40px rgba(15, 40, 80, 0.22);
            --transition-base: 0.2s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --sidebar-width: 280px;
        }

        * {
            box-sizing: border-box;
        }

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-main);
            min-height: 100vh;
            margin: 0;
            padding: 0;
        }

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

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        .accordion-title:focus-visible {
            outline: 2px solid var(--primary-blue);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container-custom {
            max-width: 1160px;
            margin: 0 auto;
            padding: 0 28px;
        }

        .section-padding {
            padding: 72px 0;
        }
        .section-padding-sm {
            padding: 48px 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-blue);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 12px;
            background: var(--primary-blue-light);
            padding: 6px 16px;
            border-radius: var(--radius-tag);
        }
        .section-label i {
            font-size: 12px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 760px;
            margin-bottom: 2rem;
        }

        .text-accent { color: var(--accent-orange); }
        .text-blue { color: var(--primary-blue); }

        /* ========== 左侧竖向导航 ========== */
        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--bg-light);
            border-right: 1px solid var(--border-color);
            z-index: 100;
            display: flex;
            flex-direction: column;
            padding: 22px 14px 18px;
            overflow-y: auto;
            transition: transform 0.3s ease;
        }
        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 6px 12px 18px;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 14px;
        }
        .sidebar-brand-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary-blue);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 19px;
            flex-shrink: 0;
            letter-spacing: -0.5px;
        }
        .sidebar-brand-text h3 {
            font-size: 19px;
            margin: 0;
            color: var(--text-primary);
            font-weight: 700;
            line-height: 1.3;
        }
        .sidebar-brand-text span {
            font-size: 10px;
            color: var(--text-weak);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            display: block;
        }
        .sidebar-nav-menu {
            list-style: none;
            padding: 0;
            margin: 0;
            flex: 1;
        }
        .sidebar-nav-menu li {
            margin-bottom: 5px;
        }
        .sidebar-nav-menu a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 11px 16px;
            border-radius: 10px;
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 14px;
            transition: all var(--transition-base);
            position: relative;
        }
        .sidebar-nav-menu a i {
            width: 20px;
            text-align: center;
            font-size: 15px;
            color: var(--text-weak);
            transition: color var(--transition-base);
        }
        .sidebar-nav-menu a:hover {
            background: rgba(43, 108, 176, 0.08);
            color: var(--primary-blue);
        }
        .sidebar-nav-menu a:hover i {
            color: var(--primary-blue);
        }
        .sidebar-nav-menu a.active {
            background: var(--primary-blue-light);
            color: var(--primary-blue);
            font-weight: 600;
        }
        .sidebar-nav-menu a.active::before {
            content: '';
            position: absolute;
            left: -14px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 28px;
            background: var(--primary-blue);
            border-radius: 0 3px 3px 0;
        }
        .sidebar-nav-menu a.active i {
            color: var(--primary-blue);
        }
        .sidebar-nav-footer {
            padding-top: 14px;
            border-top: 1px solid var(--border-color);
            font-size: 11px;
            color: var(--text-weak);
            line-height: 1.6;
        }
        .sidebar-nav-footer a {
            color: var(--text-weak);
            font-size: 11px;
            margin-right: 6px;
        }
        .sidebar-nav-footer a:hover {
            color: var(--primary-blue);
        }

        /* ========== 主内容区 ========== */
        .main-content {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ========== 移动端顶部导航 ========== */
        .mobile-top-bar {
            display: none;
            position: sticky;
            top: 0;
            z-index: 90;
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            padding: 10px 18px;
            align-items: center;
            justify-content: space-between;
        }
        .mobile-top-bar .mobile-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 17px;
            color: var(--text-primary);
        }
        .mobile-top-bar .mobile-brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary-blue);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
        }
        .mobile-top-bar .hamburger-btn {
            background: none;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 8px 12px;
            font-size: 18px;
            color: var(--text-primary);
            cursor: pointer;
            transition: all var(--transition-base);
        }
        .mobile-top-bar .hamburger-btn:hover {
            background: var(--primary-blue-light);
            border-color: var(--primary-blue);
        }
        .mobile-menu-panel {
            display: none;
            position: fixed;
            top: 57px;
            left: 0;
            right: 0;
            background: #fff;
            z-index: 89;
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(15,40,80,0.1);
            padding: 12px 18px 18px;
        }
        .mobile-menu-panel.open {
            display: block;
        }
        .mobile-menu-panel .menu-group-label {
            font-size: 11px;
            font-weight: 600;
            color: var(--text-weak);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 6px;
            margin-top: 10px;
        }
        .mobile-menu-panel a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: 8px;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition-base);
        }
        .mobile-menu-panel a i {
            width: 18px;
            text-align: center;
            font-size: 14px;
            color: var(--text-weak);
        }
        .mobile-menu-panel a:hover {
            background: var(--primary-blue-light);
            color: var(--primary-blue);
        }
        .mobile-menu-panel a.active {
            background: var(--primary-blue-light);
            color: var(--primary-blue);
            font-weight: 600;
        }

        /* ========== Hero 横条 ========== */
        .page-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding: 72px 0 56px;
            margin-bottom: 0;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(244,248,252,0.94) 0%, rgba(234,243,251,0.82) 45%, rgba(43,108,176,0.35) 100%);
        }
        .page-hero .container-custom {
            position: relative;
            z-index: 1;
        }
        .breadcrumb {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--primary-blue);
            font-weight: 500;
        }
        .breadcrumb .separator {
            color: var(--text-weak);
        }
        .breadcrumb .current {
            color: var(--text-primary);
            font-weight: 600;
        }
        .page-hero h1 {
            font-size: 40px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 12px;
            line-height: 1.25;
        }
        .page-hero .hero-meta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .page-hero .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .page-hero .hero-meta i {
            color: var(--accent-orange);
            font-size: 13px;
        }

        /* ========== 分类说明 ========== */
        .category-intro {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 28px 32px;
            margin-top: -28px;
            position: relative;
            z-index: 2;
            box-shadow: var(--shadow-card);
        }
        .category-intro p {
            margin: 0;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.85;
        }
        .category-intro .intro-highlight {
            color: var(--primary-blue);
            font-weight: 600;
        }

        /* ========== 列表式内容卡片 ========== */
        .list-card {
            display: flex;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            margin-bottom: 18px;
            transition: all var(--transition-base);
        }
        .list-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--primary-blue);
        }
        .list-card-image {
            flex-shrink: 0;
            width: 220px;
            min-height: 160px;
            position: relative;
            overflow: hidden;
            background: var(--bg-light);
        }
        .list-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }
        .list-card-body {
            padding: 20px 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .list-card-tags {
            display: flex;
            gap: 8px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .badge-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: var(--radius-tag);
            background: var(--primary-blue-light);
            color: var(--primary-blue);
        }
        .badge-tag.orange {
            background: #FFF4EC;
            color: var(--accent-orange);
        }
        .badge-tag.dark {
            background: var(--dark-bg);
            color: #fff;
        }
        .list-card-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .list-card-title a {
            color: var(--text-primary);
        }
        .list-card-title a:hover {
            color: var(--primary-blue);
        }
        .list-card-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0 0 12px;
        }
        .list-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: var(--text-weak);
        }
        .list-card-date {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .list-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 14px;
            color: var(--primary-blue);
        }
        .list-card-link:hover {
            color: var(--primary-blue-dark);
            gap: 10px;
        }
        .list-card-link i {
            font-size: 12px;
            transition: transform var(--transition-base);
        }

        /* ========== 深信息块 ========== */
        .dark-info-block {
            background: var(--dark-bg);
            border-radius: var(--radius-card);
            padding: 36px 40px;
            color: #fff;
            margin: 48px 0;
            box-shadow: var(--shadow-cta);
        }
        .dark-info-block .section-title {
            color: #fff;
            font-size: 26px;
            margin-bottom: 20px;
        }
        .dark-info-block .hot-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 14px;
        }
        .dark-info-block .hot-list li {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 10px;
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 14px;
            transition: all var(--transition-base);
        }
        .dark-info-block .hot-list li:hover {
            background: rgba(255,255,255,0.1);
            border-color: rgba(255,255,255,0.2);
        }
        .hot-rank {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--accent-orange);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 15px;
            flex-shrink: 0;
        }
        .hot-rank.top-1 {
            background: #FF6B35;
        }
        .hot-rank.top-2 {
            background: #F59E0B;
        }
        .hot-rank.top-3 {
            background: #E07B39;
        }
        .hot-item-info h4 {
            margin: 0 0 2px;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
        }
        .hot-item-info p {
            margin: 0;
            font-size: 12px;
            color: rgba(255,255,255,0.65);
        }

        /* ========== 统计条 ========== */
        .stats-bar {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 24px 32px;
            box-shadow: var(--shadow-card);
            margin-bottom: 48px;
            justify-content: space-between;
        }
        .stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .stat-number {
            font-size: 30px;
            font-weight: 700;
            color: var(--primary-blue);
            line-height: 1.2;
        }
        .stat-number.orange {
            color: var(--accent-orange);
        }
        .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
        }

        /* ========== 订阅 CTA ========== */
        .cta-panel {
            background: var(--primary-blue);
            border-radius: var(--radius-card);
            padding: 40px 44px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            flex-wrap: wrap;
            margin-top: 40px;
        }
        .cta-panel-left h3 {
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            margin: 0 0 6px;
        }
        .cta-panel-left p {
            color: rgba(255,255,255,0.85);
            margin: 0;
            font-size: 14px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 26px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            line-height: 1.2;
        }
        .btn-primary {
            background: var(--primary-blue);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-blue-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(43,108,176,0.3);
        }
        .btn-orange {
            background: var(--accent-orange);
            color: #fff;
        }
        .btn-orange:hover {
            background: #E9670B;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(249,115,22,0.35);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary-blue);
            border: 2px solid var(--primary-blue);
        }
        .btn-outline:hover {
            background: var(--primary-blue-light);
            color: var(--primary-blue-dark);
            transform: translateY(-2px);
        }
        .btn-outline-white {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.7);
        }
        .btn-outline-white:hover {
            background: rgba(255,255,255,0.12);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 9px 18px;
            font-size: 13px;
        }

        /* ========== FAQ Accordion ========== */
        .accordion {
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            background: var(--card-bg);
            box-shadow: var(--shadow-card);
        }
        .accordion-item {
            border-bottom: 1px solid var(--border-color);
        }
        .accordion-item:last-child {
            border-bottom: none;
        }
        .accordion-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            padding: 18px 24px;
            cursor: pointer;
            transition: all var(--transition-base);
            position: relative;
            display: flex;
            align-items: center;
            gap: 12px;
            margin: 0;
            line-height: 1.5;
        }
        .accordion-title::before {
            content: '+';
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-blue);
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }
        .accordion-item.is-active .accordion-title::before {
            content: '−';
            color: var(--accent-orange);
        }
        .accordion-title:hover {
            background: var(--primary-blue-light);
        }
        .accordion-item.is-active .accordion-title {
            background: var(--primary-blue-light);
            color: var(--primary-blue-dark);
        }
        .accordion-content {
            padding: 0 24px 20px 60px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            display: none;
        }
        .accordion-item.is-active .accordion-content {
            display: block;
        }

        /* ========== 底部固定转化条 ========== */
        .bottom-cta-bar {
            position: fixed;
            bottom: 16px;
            left: 50%;
            transform: translateX(-50%);
            width: 720px;
            max-width: calc(100vw - 32px);
            background: var(--dark-bg);
            border-radius: 16px;
            padding: 14px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            z-index: 80;
            box-shadow: var(--shadow-cta);
            transition: all 0.3s ease;
        }
        .bottom-cta-bar.hidden {
            opacity: 0;
            pointer-events: none;
            transform: translateX(-50%) translateY(120%);
        }
        .bottom-cta-bar .cta-text {
            color: #fff;
            font-size: 14px;
            font-weight: 500;
            line-height: 1.5;
        }
        .bottom-cta-bar .cta-text strong {
            color: var(--accent-orange-light);
            font-weight: 700;
        }
        .bottom-cta-bar .cta-actions {
            display: flex;
            gap: 10px;
            flex-shrink: 0;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--dark-bg);
            color: rgba(255,255,255,0.8);
            padding: 56px 0 28px;
            margin-top: 64px;
        }
        .site-footer .container-custom {
            max-width: 1160px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-brand h3 {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            margin: 0 0 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-brand h3 i {
            color: var(--accent-orange-light);
            font-size: 18px;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255,255,255,0.65);
            margin: 0;
        }
        .footer-col h5 {
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            margin: 0 0 14px;
            text-transform: uppercase;
            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(255,255,255,0.65);
            font-size: 13px;
            transition: color var(--transition-base);
        }
        .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;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 12px;
            color: rgba(255,255,255,0.55);
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.55);
            font-size: 12px;
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .footer-beian {
            font-size: 12px;
            color: rgba(255,255,255,0.55);
        }

        /* ========== 响应式 ========== */
        @media screen and (max-width: 1024px) {
            .sidebar-nav {
                transform: translateX(-100%);
            }
            .sidebar-nav.open {
                transform: translateX(0);
                box-shadow: 4px 0 30px rgba(15,40,80,0.15);
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-top-bar {
                display: flex;
            }
            .page-hero {
                padding: 48px 0 40px;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .list-card-image {
                width: 180px;
                min-height: 140px;
            }
            .footer-content {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media screen and (max-width: 768px) {
            .section-padding {
                padding: 48px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .page-hero {
                padding: 36px 0 32px;
            }
            .page-hero h1 {
                font-size: 24px;
            }
            .list-card {
                flex-direction: column;
            }
            .list-card-image {
                width: 100%;
                height: 200px;
                min-height: auto;
            }
            .list-card-body {
                padding: 18px 20px;
            }
            .list-card-title {
                font-size: 18px;
            }
            .dark-info-block {
                padding: 28px 24px;
            }
            .dark-info-block .hot-list {
                grid-template-columns: 1fr;
            }
            .stats-bar {
                gap: 16px;
                padding: 18px 20px;
            }
            .stat-number {
                font-size: 22px;
            }
            .cta-panel {
                padding: 28px 24px;
                flex-direction: column;
                text-align: center;
            }
            .bottom-cta-bar {
                bottom: 8px;
                padding: 12px 16px;
                flex-direction: column;
                text-align: center;
            }
            .bottom-cta-bar .cta-actions {
                width: 100%;
                justify-content: center;
                flex-wrap: wrap;
            }
            .footer-content {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .category-intro {
                padding: 20px;
                margin-top: -16px;
            }
            .accordion-title {
                padding: 14px 16px;
                font-size: 14px;
            }
            .accordion-content {
                padding: 0 16px 16px 44px;
                font-size: 13px;
            }
        }

        @media screen and (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }
            .page-hero h1 {
                font-size: 21px;
            }
            .page-hero .hero-meta {
                gap: 10px;
                font-size: 12px;
            }
            .section-title {
                font-size: 21px;
            }
            .list-card-image {
                height: 160px;
            }
            .list-card-excerpt {
                font-size: 13px;
            }
            .dark-info-block {
                padding: 20px 16px;
                margin: 32px 0;
            }
            .dark-info-block .section-title {
                font-size: 21px;
            }
            .stats-bar {
                flex-direction: column;
                gap: 12px;
            }
            .bottom-cta-bar {
                bottom: 4px;
                padding: 10px 12px;
                border-radius: 12px;
            }
            .bottom-cta-bar .cta-text {
                font-size: 12px;
            }
        }

/* roulang page: category2 */
:root {
            --primary-blue: #2B6CB0;
            --primary-blue-dark: #1F5FA6;
            --primary-blue-light: #EBF3FA;
            --accent-orange: #F97316;
            --accent-orange-light: #F59E0B;
            --dark-bg: #102A43;
            --dark-bg-secondary: #0F2A4A;
            --card-bg: #FFFFFF;
            --border-color: #E3ECF5;
            --bg-main: #F4F8FC;
            --bg-light: #EAF3FB;
            --text-primary: #1A2B3C;
            --text-secondary: #486581;
            --text-weak: #829AB1;
            --text-white: #FFFFFF;
            --radius-card: 14px;
            --radius-card-sm: 10px;
            --radius-btn: 10px;
            --radius-tag: 999px;
            --shadow-card: 0 8px 24px rgba(15, 40, 80, 0.07);
            --shadow-hover: 0 14px 34px rgba(15, 40, 80, 0.12);
            --shadow-cta: 0 12px 40px rgba(15, 40, 80, 0.22);
            --transition-base: 0.2s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --sidebar-width: 280px;
        }

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-main);
            min-height: 100vh;
            padding-bottom: 90px;
        }

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

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary-blue);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-padding {
            padding: 72px 0;
        }

        .section-padding-sm {
            padding: 48px 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-blue);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 12px;
            background: var(--primary-blue-light);
            padding: 6px 16px;
            border-radius: var(--radius-tag);
        }

        .section-label i {
            font-size: 12px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.85;
            max-width: 780px;
            margin-bottom: 2rem;
        }

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

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

        /* ========== 按钮 ========== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--primary-blue);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            text-align: center;
            justify-content: center;
        }

        .btn-primary:hover {
            background: var(--primary-blue-dark);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-orange {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent-orange);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            text-align: center;
            justify-content: center;
        }

        .btn-orange:hover {
            background: #E5620D;
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            color: var(--primary-blue);
            font-weight: 600;
            font-size: 15px;
            padding: 11px 23px;
            border-radius: var(--radius-btn);
            border: 1.5px solid var(--primary-blue);
            cursor: pointer;
            transition: all var(--transition-base);
            text-align: center;
            justify-content: center;
        }

        .btn-outline:hover {
            background: var(--primary-blue-light);
            color: var(--primary-blue-dark);
            transform: translateY(-2px);
        }

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

        /* ========== 左侧竖向导航 ========== */
        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--bg-light);
            border-right: 1px solid var(--border-color);
            z-index: 50;
            display: flex;
            flex-direction: column;
            padding: 24px 14px 20px;
            overflow-y: auto;
            transition: transform 0.3s ease;
        }

        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 8px 10px 18px;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 14px;
        }

        .sidebar-brand-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary-blue);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 20px;
            flex-shrink: 0;
            letter-spacing: -0.5px;
        }

        .sidebar-brand-text h3 {
            font-size: 19px;
            margin: 0;
            color: var(--text-primary);
            font-weight: 700;
            line-height: 1.3;
        }

        .sidebar-brand-text span {
            font-size: 10px;
            color: var(--text-weak);
            text-transform: uppercase;
            letter-spacing: 1.5px;
        }

        .sidebar-nav-menu {
            list-style: none;
            padding: 0;
            margin: 0;
            flex: 1;
        }

        .sidebar-nav-menu li {
            margin-bottom: 4px;
        }

        .sidebar-nav-menu a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 11px 14px;
            border-radius: 10px;
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 14px;
            transition: all var(--transition-base);
            position: relative;
        }

        .sidebar-nav-menu a i {
            width: 20px;
            text-align: center;
            font-size: 15px;
            color: var(--text-weak);
            transition: color var(--transition-base);
        }

        .sidebar-nav-menu a:hover {
            background: rgba(43, 108, 176, 0.08);
            color: var(--primary-blue);
        }

        .sidebar-nav-menu a:hover i {
            color: var(--primary-blue);
        }

        .sidebar-nav-menu a.active {
            background: var(--primary-blue-light);
            color: var(--primary-blue);
            font-weight: 600;
        }

        .sidebar-nav-menu a.active::before {
            content: '';
            position: absolute;
            left: -14px;
            top: 8px;
            bottom: 8px;
            width: 3px;
            background: var(--primary-blue);
            border-radius: 0 3px 3px 0;
        }

        .sidebar-nav-menu a.active i {
            color: var(--primary-blue);
        }

        .sidebar-footer {
            margin-top: 10px;
            padding-top: 14px;
            border-top: 1px solid var(--border-color);
            font-size: 11px;
            color: var(--text-weak);
            line-height: 1.8;
        }

        .sidebar-footer a {
            font-size: 11px;
            color: var(--text-weak);
        }

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

        /* ========== 移动端顶部导航 ========== */
        .mobile-top-bar {
            display: none;
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 80;
            padding: 10px 16px;
        }

        .mobile-top-bar .top-bar-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .mobile-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-primary);
            font-weight: 700;
            font-size: 17px;
        }

        .mobile-brand i {
            color: var(--primary-blue);
            font-size: 20px;
        }

        .mobile-menu-toggle {
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 22px;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 8px;
            transition: background var(--transition-base);
        }

        .mobile-menu-toggle:hover {
            background: var(--primary-blue-light);
        }

        .mobile-menu-panel {
            display: none;
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            padding: 12px 16px 20px;
            max-height: 70vh;
            overflow-y: auto;
        }

        .mobile-menu-panel.open {
            display: block;
        }

        .mobile-menu-group {
            font-size: 12px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--text-weak);
            margin: 12px 0 6px;
        }

        .mobile-menu-panel a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border-radius: 8px;
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
        }

        .mobile-menu-panel a i {
            width: 18px;
            text-align: center;
        }

        .mobile-menu-panel a:hover {
            background: var(--primary-blue-light);
            color: var(--primary-blue);
        }

        .mobile-menu-panel a.active {
            background: var(--primary-blue-light);
            color: var(--primary-blue);
            font-weight: 600;
        }

        /* ========== 主内容区 ========== */
        .main-content {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
        }

        /* ========== Hero Banner ========== */
        .page-hero {
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding: 56px 32px 48px;
            position: relative;
            border-bottom: 1px solid var(--border-color);
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(244, 248, 252, 0.93) 0%, rgba(234, 243, 251, 0.88) 50%, rgba(244, 248, 252, 0.75) 100%);
            z-index: 1;
        }

        .page-hero-content {
            position: relative;
            z-index: 2;
            max-width: 920px;
        }

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

        .breadcrumb a {
            color: var(--text-secondary);
            font-weight: 500;
        }

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

        .breadcrumb i {
            font-size: 10px;
            color: var(--text-weak);
        }

        .page-hero h1 {
            font-size: 38px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            line-height: 1.25;
        }

        .page-hero-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.85;
            max-width: 760px;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            margin-top: 22px;
        }

        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            background: rgba(255,255,255,0.75);
            padding: 8px 16px;
            border-radius: var(--radius-tag);
            backdrop-filter: blur(4px);
        }

        .hero-stat-item i {
            color: var(--accent-orange);
            font-size: 14px;
        }

        .hero-stat-item strong {
            color: var(--text-primary);
            font-weight: 700;
        }

        /* ========== 深信息块 ========== */
        .deep-info-panel {
            background: var(--dark-bg);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            color: #fff;
            margin-bottom: 24px;
            position: relative;
            overflow: hidden;
        }

        .deep-info-panel::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 200px;
            height: 200px;
            background: rgba(249, 115, 22, 0.12);
            border-radius: 50%;
        }

        .deep-info-panel h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .deep-info-list {
            list-style: none;
            padding: 0;
            margin: 0;
            position: relative;
            z-index: 1;
        }

        .deep-info-list li {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            font-size: 14px;
            color: rgba(255,255,255,0.85);
        }

        .deep-info-list li:last-child {
            border-bottom: none;
        }

        .deep-info-list .rank-num {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: var(--accent-orange);
            color: #fff;
            font-weight: 700;
            font-size: 13px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .deep-info-list .rank-score {
            margin-left: auto;
            font-weight: 700;
            color: var(--accent-orange-light);
            font-size: 16px;
        }

        /* ========== 内容卡片 - 左图右文交错 ========== */
        .interleaved-card {
            display: flex;
            flex-wrap: wrap;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            margin-bottom: 28px;
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .interleaved-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--primary-blue);
        }

        .interleaved-card .card-image {
            flex: 0 0 42%;
            min-height: 240px;
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }

        .interleaved-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            top: 0;
            left: 0;
        }

        .interleaved-card .card-body {
            flex: 1;
            padding: 28px 30px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 12px;
        }

        .card-tag {
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-tag);
            background: var(--primary-blue-light);
            color: var(--primary-blue);
        }

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

        .card-date {
            font-size: 13px;
            color: var(--text-weak);
            margin-left: auto;
        }

        .interleaved-card h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.35;
        }

        .interleaved-card .card-summary {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }

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

        .card-link i {
            font-size: 12px;
            transition: transform var(--transition-base);
        }

        .card-link:hover i {
            transform: translateX(4px);
        }

        /* 交错布局：偶数卡片图片在右 */
        .interleaved-card.even .card-image {
            order: 2;
        }
        .interleaved-card.even .card-body {
            order: 1;
        }

        /* ========== FAQ ========== */
        .faq-section .accordion {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            background: var(--card-bg);
        }

        .faq-section .accordion-item {
            border-bottom: 1px solid var(--border-color);
        }

        .faq-section .accordion-item:last-child {
            border-bottom: none;
        }

        .faq-section .accordion-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            padding: 18px 24px;
            background: var(--card-bg);
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: background var(--transition-base);
        }

        .faq-section .accordion-title:hover {
            background: var(--bg-light);
        }

        .faq-section .accordion-title::before {
            content: '+';
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-blue);
            min-width: 20px;
            text-align: center;
            transition: transform var(--transition-base);
        }

        .faq-section .accordion-item.is-active .accordion-title::before {
            content: '−';
            color: var(--accent-orange);
        }

        .faq-section .accordion-content {
            padding: 0 24px 20px 54px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            background: var(--bg-light);
        }

        /* ========== CTA区域 ========== */
        .cta-panel {
            background: var(--card-bg);
            border: 2px solid var(--primary-blue-light);
            border-radius: var(--radius-card);
            padding: 40px 36px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }

        .cta-panel h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .cta-panel p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 20px;
            line-height: 1.8;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ========== 底部固定转化条 ========== */
        .bottom-cta-bar {
            position: fixed;
            bottom: 16px;
            left: calc(var(--sidebar-width) + 50%);
            transform: translateX(-50%);
            width: 720px;
            max-width: calc(100vw - 32px);
            background: var(--dark-bg);
            border-radius: 16px;
            padding: 14px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            z-index: 60;
            box-shadow: var(--shadow-cta);
            flex-wrap: wrap;
        }

        .bottom-cta-bar .cta-text {
            flex: 1;
            min-width: 200px;
            color: #fff;
            font-size: 14px;
            line-height: 1.5;
        }

        .bottom-cta-bar .cta-text strong {
            color: var(--accent-orange-light);
            font-weight: 700;
        }

        .bottom-cta-bar .btn-orange {
            flex-shrink: 0;
            padding: 10px 18px;
            font-size: 14px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--dark-bg);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 24px 80px;
            margin-top: 40px;
        }

        .site-footer .container-custom {
            max-width: 1100px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .footer-brand h3 {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand h3 i {
            color: var(--accent-orange-light);
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255,255,255,0.6);
            max-width: 320px;
        }

        .footer-col h5 {
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            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 a {
            color: rgba(255,255,255,0.65);
            font-size: 13px;
            transition: color var(--transition-base);
        }

        .footer-col ul a:hover {
            color: var(--accent-orange-light);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.12);
            font-size: 12px;
            color: rgba(255,255,255,0.55);
        }

        .footer-bottom a {
            color: rgba(255,255,255,0.65);
            font-size: 12px;
        }

        .footer-bottom a:hover {
            color: var(--accent-orange-light);
        }

        .footer-beian {
            margin-left: auto;
        }

        /* ========== 响应式 ========== */
        @media screen and (max-width: 1024px) {
            :root {
                --sidebar-width: 240px;
            }
            .sidebar-nav {
                width: 240px;
            }
            .page-hero h1 {
                font-size: 32px;
            }
            .bottom-cta-bar {
                left: calc(240px + 50%);
            }
        }

        @media screen and (max-width: 767px) {
            .sidebar-nav {
                display: none;
            }
            .mobile-top-bar {
                display: block;
            }
            .main-content {
                margin-left: 0;
                padding-top: 56px;
            }
            .page-hero {
                padding: 32px 18px 28px;
            }
            .page-hero h1 {
                font-size: 26px;
            }
            .page-hero-desc {
                font-size: 14px;
            }
            .section-padding {
                padding: 48px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .interleaved-card {
                flex-direction: column;
            }
            .interleaved-card .card-image {
                flex: 0 0 200px;
                min-height: 200px;
                width: 100%;
            }
            .interleaved-card.even .card-image {
                order: 1;
            }
            .interleaved-card.even .card-body {
                order: 2;
            }
            .interleaved-card .card-body {
                padding: 20px 18px;
            }
            .interleaved-card h3 {
                font-size: 18px;
            }
            .deep-info-panel {
                padding: 24px 18px;
            }
            .cta-panel {
                padding: 28px 18px;
            }
            .cta-panel h3 {
                font-size: 19px;
            }
            .bottom-cta-bar {
                left: 50%;
                width: calc(100vw - 24px);
                max-width: calc(100vw - 24px);
                padding: 12px 16px;
                bottom: 8px;
                gap: 10px;
                flex-direction: column;
                align-items: stretch;
            }
            .bottom-cta-bar .cta-text {
                text-align: center;
                min-width: 0;
                font-size: 13px;
            }
            .bottom-cta-bar .btn-orange {
                width: 100%;
                justify-content: center;
            }
            .footer-content {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .footer-beian {
                margin-left: 0;
            }
            body {
                padding-bottom: 110px;
            }
            .hero-stats {
                gap: 10px;
            }
            .hero-stat-item {
                font-size: 12px;
                padding: 6px 12px;
            }
            .faq-section .accordion-title {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-section .accordion-content {
                padding: 0 16px 16px 48px;
                font-size: 13px;
            }
        }

        @media screen and (max-width: 520px) {
            .page-hero h1 {
                font-size: 22px;
            }
            .section-title {
                font-size: 21px;
            }
            .btn-primary, .btn-orange, .btn-outline {
                padding: 10px 18px;
                font-size: 14px;
            }
            .card-tag {
                font-size: 11px;
                padding: 3px 10px;
            }
            .card-date {
                font-size: 11px;
            }
            .container-custom {
                padding: 0 14px;
            }
            .deep-info-list li {
                font-size: 13px;
                gap: 10px;
            }
            .deep-info-list .rank-num {
                width: 24px;
                height: 24px;
                font-size: 11px;
            }
        }

/* roulang page: category4 */
:root {
            --primary-blue: #2B6CB0;
            --primary-blue-dark: #1F5FA6;
            --primary-blue-light: #EBF3FA;
            --accent-orange: #F97316;
            --accent-orange-light: #F59E0B;
            --dark-bg: #102A43;
            --dark-bg-secondary: #0F2A4A;
            --card-bg: #FFFFFF;
            --border-color: #E3ECF5;
            --bg-main: #F4F8FC;
            --bg-light: #EAF3FB;
            --text-primary: #1A2B3C;
            --text-secondary: #486581;
            --text-weak: #829AB1;
            --text-white: #FFFFFF;
            --radius-card: 14px;
            --radius-card-sm: 10px;
            --radius-btn: 10px;
            --radius-tag: 999px;
            --shadow-card: 0 8px 24px rgba(15, 40, 80, 0.07);
            --shadow-hover: 0 14px 34px rgba(15, 40, 80, 0.12);
            --shadow-cta: 0 12px 40px rgba(15, 40, 80, 0.22);
            --transition-base: 0.2s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --sidebar-width: 280px;
        }

        * {
            box-sizing: border-box;
        }

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-main);
            min-height: 100vh;
            margin: 0;
        }

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

        a {
            color: var(--primary-blue);
            text-decoration: none;
            transition: color var(--transition-base), background-color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
        }

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary-blue);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-padding {
            padding: 72px 0;
        }

        .section-padding-sm {
            padding: 48px 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-blue);
            letter-spacing: 1.5px;
            margin-bottom: 12px;
            background: var(--primary-blue-light);
            padding: 6px 16px;
            border-radius: var(--radius-tag);
        }

        .section-label i {
            font-size: 12px;
        }

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

        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 2rem;
        }

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

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

        /* ========== 左侧竖向导航 ========== */
        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--bg-light);
            border-right: 1px solid var(--border-color);
            z-index: 50;
            display: flex;
            flex-direction: column;
            padding: 24px 16px 20px;
            overflow-y: auto;
            transition: transform 0.3s ease;
        }

        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 8px 12px 20px;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 16px;
        }

        .sidebar-brand-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary-blue);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 20px;
            flex-shrink: 0;
            letter-spacing: -0.5px;
        }

        .sidebar-brand-text h3 {
            font-size: 20px;
            margin: 0;
            color: var(--text-primary);
            font-weight: 700;
            line-height: 1.3;
        }

        .sidebar-brand-text span {
            font-size: 11px;
            color: var(--text-weak);
            letter-spacing: 1.5px;
            text-transform: uppercase;
        }

        .sidebar-nav-menu {
            list-style: none;
            padding: 0;
            margin: 0;
            flex: 1;
        }

        .sidebar-nav-menu li {
            margin-bottom: 6px;
        }

        .sidebar-nav-menu a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: 10px;
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 15px;
            transition: all var(--transition-base);
            position: relative;
        }

        .sidebar-nav-menu a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            color: var(--text-weak);
            transition: color var(--transition-base);
        }

        .sidebar-nav-menu a:hover {
            background: rgba(43, 108, 176, 0.08);
            color: var(--primary-blue);
        }

        .sidebar-nav-menu a:hover i {
            color: var(--primary-blue);
        }

        .sidebar-nav-menu a.active {
            background: var(--primary-blue-light);
            color: var(--primary-blue);
            font-weight: 600;
        }

        .sidebar-nav-menu a.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 28px;
            background: var(--primary-blue);
            border-radius: 0 3px 3px 0;
        }

        .sidebar-nav-menu a.active i {
            color: var(--primary-blue);
        }

        .sidebar-footer-links {
            list-style: none;
            padding: 0;
            margin: 16px 0 8px;
            border-top: 1px solid var(--border-color);
            padding-top: 16px;
        }

        .sidebar-footer-links li {
            margin-bottom: 4px;
        }

        .sidebar-footer-links a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-weak);
            padding: 6px 12px;
            border-radius: 8px;
            transition: all var(--transition-base);
        }

        .sidebar-footer-links a:hover {
            color: var(--primary-blue);
            background: rgba(43, 108, 176, 0.06);
        }

        .sidebar-footer-links a i {
            font-size: 12px;
            width: 16px;
            text-align: center;
        }

        .sidebar-beian {
            font-size: 11px;
            color: var(--text-weak);
            padding: 4px 12px;
            line-height: 1.6;
            border-top: 1px solid var(--border-color);
            padding-top: 12px;
            margin-top: 8px;
        }

        /* ========== 主内容区 ========== */
        .main-content {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ========== 移动端顶部导航 ========== */
        .mobile-header {
            display: none;
            position: sticky;
            top: 0;
            z-index: 100;
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            padding: 12px 16px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 12px rgba(15, 40, 80, 0.06);
        }

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

        .mobile-header .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary-blue);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
        }

        .mobile-menu-toggle {
            background: none;
            border: none;
            font-size: 22px;
            color: var(--text-primary);
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            transition: background var(--transition-base);
        }

        .mobile-menu-toggle:hover {
            background: var(--bg-light);
        }

        .mobile-menu {
            display: none;
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            padding: 12px 16px;
            box-shadow: 0 8px 24px rgba(15, 40, 80, 0.1);
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu .menu-group {
            font-size: 12px;
            font-weight: 600;
            color: var(--text-weak);
            text-transform: uppercase;
            letter-spacing: 1px;
            padding: 8px 4px 4px;
        }

        .mobile-menu a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 8px;
            border-radius: 8px;
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 15px;
            transition: all var(--transition-base);
        }

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

        .mobile-menu a.active {
            background: var(--primary-blue-light);
            color: var(--primary-blue);
            font-weight: 600;
        }

        .mobile-menu a i {
            width: 18px;
            text-align: center;
            color: var(--text-weak);
        }

        .mobile-menu a.active i {
            color: var(--primary-blue);
        }

        /* ========== 分类Hero ========== */
        .category-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            padding: 72px 0 56px;
            color: #fff;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 42, 74, 0.88) 0%, rgba(43, 108, 176, 0.75) 55%, rgba(244, 248, 252, 0.9) 100%);
        }

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

        .breadcrumb-hero {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .breadcrumb-hero a {
            color: rgba(255, 255, 255, 0.85);
            transition: color var(--transition-base);
        }

        .breadcrumb-hero a:hover {
            color: #fff;
        }

        .breadcrumb-hero .sep {
            color: rgba(255, 255, 255, 0.6);
        }

        .breadcrumb-hero .current {
            color: var(--accent-orange-light);
            font-weight: 600;
        }

        .category-hero h1 {
            font-size: 42px;
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
            line-height: 1.25;
        }

        .category-hero .hero-sub-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.92);
            max-width: 720px;
            line-height: 1.85;
            margin-bottom: 24px;
        }

        .hero-quick-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }

        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.9);
            font-size: 14px;
        }

        .hero-stat-item i {
            color: var(--accent-orange-light);
            font-size: 16px;
        }

        .hero-stat-item strong {
            font-size: 20px;
            color: #fff;
            font-weight: 700;
        }

        /* ========== 按钮 ========== */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            line-height: 1.4;
        }

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

        .btn-primary:hover {
            background: var(--primary-blue-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(43, 108, 176, 0.3);
        }

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

        .btn-accent:hover {
            background: #e8650a;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(249, 115, 22, 0.35);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary-blue);
            border: 2px solid var(--primary-blue);
        }

        .btn-outline:hover {
            background: var(--primary-blue-light);
            color: var(--primary-blue-dark);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.7);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            transform: translateY(-2px);
        }

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

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

        .card-custom:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--primary-blue);
        }

        .card-img-container {
            border-radius: var(--radius-card-sm);
            overflow: hidden;
            background: var(--bg-light);
            aspect-ratio: 16 / 9;
            position: relative;
        }

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

        /* ========== 左图右文交错卡片 ========== */
        .interleaved-card {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 0;
            margin-bottom: 28px;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .interleaved-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--primary-blue);
        }

        .interleaved-card .card-img-side {
            position: relative;
            min-height: 220px;
            overflow: hidden;
        }

        .interleaved-card .card-img-side img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            position: absolute;
            inset: 0;
        }

        .interleaved-card .card-body-side {
            padding: 28px 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .interleaved-card:nth-child(even) .card-img-side {
            order: 2;
        }

        .interleaved-card:nth-child(even) .card-body-side {
            order: 1;
        }

        .card-tag-row {
            display: flex;
            gap: 8px;
            margin-bottom: 12px;
            flex-wrap: wrap;
        }

        .card-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            background: var(--primary-blue-light);
            color: var(--primary-blue);
        }

        .card-tag.tag-orange {
            background: rgba(249, 115, 22, 0.12);
            color: var(--accent-orange);
        }

        .card-tag.tag-green {
            background: rgba(34, 197, 94, 0.12);
            color: #16a34a;
        }

        .card-date {
            font-size: 13px;
            color: var(--text-weak);
        }

        .interleaved-card .card-body-side h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
            line-height: 1.4;
        }

        .interleaved-card .card-body-side p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 16px;
        }

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

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

        /* ========== 深信息块 ========== */
        .dark-info-block {
            background: var(--dark-bg);
            border-radius: var(--radius-card);
            padding: 40px 36px;
            color: #fff;
            margin: 40px 0;
            box-shadow: var(--shadow-cta);
        }

        .dark-info-block .block-title {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .dark-info-block .block-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 28px;
            line-height: 1.7;
        }

        .score-table {
            width: 100%;
            border-collapse: collapse;
            margin-bottom: 20px;
        }

        .score-table th {
            text-align: left;
            font-size: 13px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.7);
            padding: 10px 12px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.15);
            letter-spacing: 0.5px;
        }

        .score-table td {
            padding: 14px 12px;
            font-size: 15px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.92);
        }

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

        .score-table .score-highlight {
            font-size: 18px;
            font-weight: 700;
            color: var(--accent-orange-light);
        }

        .score-table .team-name {
            font-weight: 600;
            color: #fff;
        }

        .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            font-weight: 600;
        }

        .status-live {
            background: rgba(239, 68, 68, 0.2);
            color: #f87171;
        }

        .status-done {
            background: rgba(34, 197, 94, 0.2);
            color: #4ade80;
        }

        .status-scheduled {
            background: rgba(148, 163, 184, 0.2);
            color: #cbd5e1;
        }

        /* ========== FAQ ========== */
        .faq-section {
            margin: 48px 0;
        }

        .faq-accordion {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

        .accordion-item {
            border-bottom: 1px solid var(--border-color);
        }

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

        .accordion-title {
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            padding: 18px 24px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: background var(--transition-base);
            font-family: var(--font-stack);
        }

        .accordion-title:hover {
            background: var(--bg-light);
        }

        .accordion-title .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: var(--primary-blue-light);
            color: var(--primary-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
            transition: all var(--transition-base);
        }

        .accordion-title.is-active {
            background: var(--primary-blue-light);
            color: var(--primary-blue);
        }

        .accordion-title.is-active .faq-icon {
            background: var(--primary-blue);
            color: #fff;
            transform: rotate(45deg);
        }

        .accordion-content {
            display: none;
            padding: 0 24px 18px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
        }

        .accordion-content.is-active {
            display: block;
        }

        /* ========== CTA区块 ========== */
        .cta-section {
            background: var(--primary-blue-light);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            text-align: center;
            margin: 48px 0;
            border: 1px solid var(--border-color);
        }

        .cta-section h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 24px;
            line-height: 1.8;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ========== 底部固定转化条 ========== */
        .bottom-cta-bar {
            position: fixed;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            width: min(720px, calc(100% - 32px));
            background: var(--dark-bg);
            color: #fff;
            border-radius: var(--radius-card);
            padding: 16px 24px;
            display: flex;
            align-items: center;
            gap: 20px;
            box-shadow: var(--shadow-cta);
            z-index: 60;
            transition: all var(--transition-base);
        }

        .bottom-cta-bar .cta-text {
            flex: 1;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.5;
        }

        .bottom-cta-bar .cta-text strong {
            color: #fff;
            font-size: 15px;
            display: block;
            margin-bottom: 2px;
        }

        .bottom-cta-bar .btn-accent {
            flex-shrink: 0;
            white-space: nowrap;
        }

        .bottom-cta-bar .btn-outline-light {
            flex-shrink: 0;
            white-space: nowrap;
            padding: 10px 18px;
            font-size: 13px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--dark-bg);
            color: #fff;
            padding: 56px 0 32px;
            margin-top: 32px;
        }

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

        .site-footer .footer-brand h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .site-footer .footer-brand h3 i {
            color: var(--accent-orange-light);
        }

        .site-footer .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
            max-width: 320px;
        }

        .site-footer .footer-col h5 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

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

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

        .site-footer .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-base), padding-left var(--transition-base);
        }

        .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, 0.12);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }

        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-base);
        }

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

        .footer-beian {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.48);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            :root {
                --sidebar-width: 240px;
            }
            .sidebar-nav {
                padding: 20px 12px 16px;
            }
            .sidebar-brand-text h3 {
                font-size: 18px;
            }
            .category-hero h1 {
                font-size: 34px;
            }
            .interleaved-card {
                grid-template-columns: 1fr;
            }
            .interleaved-card .card-img-side {
                order: 1 !important;
                min-height: 200px;
                position: relative;
            }
            .interleaved-card .card-body-side {
                order: 2 !important;
            }
            .site-footer .footer-content {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --sidebar-width: 0px;
            }
            .sidebar-nav {
                display: none;
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .category-hero {
                padding: 48px 0 40px;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .category-hero .hero-sub-desc {
                font-size: 15px;
            }
            .section-title {
                font-size: 24px;
            }
            .interleaved-card .card-body-side {
                padding: 20px;
            }
            .interleaved-card .card-img-side {
                min-height: 160px;
            }
            .dark-info-block {
                padding: 28px 20px;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .cta-section h2 {
                font-size: 22px;
            }
            .bottom-cta-bar {
                flex-direction: column;
                gap: 12px;
                text-align: center;
                padding: 16px;
                bottom: 12px;
            }
            .bottom-cta-bar .btn-accent,
            .bottom-cta-bar .btn-outline-light {
                width: 100%;
                justify-content: center;
            }
            .site-footer .footer-content {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
            .hero-quick-stats {
                gap: 16px;
            }
            .score-table {
                font-size: 13px;
            }
            .score-table th,
            .score-table td {
                padding: 8px 6px;
                font-size: 13px;
            }
            .score-table .score-highlight {
                font-size: 15px;
            }
        }

        @media (max-width: 520px) {
            .category-hero {
                padding: 36px 0 28px;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .category-hero .hero-sub-desc {
                font-size: 14px;
            }
            .hero-quick-stats {
                flex-direction: column;
                gap: 10px;
            }
            .card-body-side h3 {
                font-size: 17px;
            }
            .dark-info-block .block-title {
                font-size: 20px;
            }
            .accordion-title {
                font-size: 14px;
                padding: 14px 16px;
            }
            .accordion-content {
                padding: 0 16px 14px;
                font-size: 14px;
            }
        }

/* roulang page: category3 */
:root {
            --primary-blue: #2B6CB0;
            --primary-blue-dark: #1F5FA6;
            --primary-blue-light: #EBF3FA;
            --accent-orange: #F97316;
            --accent-orange-light: #F59E0B;
            --dark-bg: #102A43;
            --dark-bg-secondary: #0F2A4A;
            --card-bg: #FFFFFF;
            --border-color: #E3ECF5;
            --bg-main: #F4F8FC;
            --bg-light: #EAF3FB;
            --text-primary: #1A2B3C;
            --text-secondary: #486581;
            --text-weak: #829AB1;
            --text-white: #FFFFFF;
            --radius-card: 14px;
            --radius-card-sm: 10px;
            --radius-btn: 10px;
            --radius-tag: 999px;
            --shadow-card: 0 8px 24px rgba(15, 40, 80, 0.07);
            --shadow-hover: 0 14px 34px rgba(15, 40, 80, 0.12);
            --shadow-cta: 0 12px 40px rgba(15, 40, 80, 0.22);
            --transition-base: 0.2s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --sidebar-width: 280px;
        }

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-main);
            min-height: 100vh;
            margin: 0;
            padding: 0;
        }

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

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary-blue);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-padding {
            padding: 72px 0;
        }

        .section-padding-sm {
            padding: 48px 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-blue);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 12px;
            background: var(--primary-blue-light);
            padding: 6px 16px;
            border-radius: var(--radius-tag);
        }

        .section-label i {
            font-size: 12px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 2rem;
        }

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

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

        /* ========== 左侧竖向导航 ========== */
        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--bg-light);
            border-right: 1px solid var(--border-color);
            z-index: 50;
            display: flex;
            flex-direction: column;
            padding: 24px 16px 20px;
            overflow-y: auto;
            transition: transform 0.3s ease;
        }

        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 8px 12px 20px;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 16px;
        }

        .sidebar-brand-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary-blue);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 20px;
            flex-shrink: 0;
            letter-spacing: -0.5px;
        }

        .sidebar-brand-text h3 {
            font-size: 20px;
            margin: 0;
            color: var(--text-primary);
            font-weight: 700;
            line-height: 1.3;
        }

        .sidebar-brand-text span {
            font-size: 11px;
            color: var(--text-weak);
            text-transform: uppercase;
            letter-spacing: 1.5px;
        }

        .sidebar-nav-menu {
            list-style: none;
            padding: 0;
            margin: 0;
            flex: 1;
        }

        .sidebar-nav-menu li {
            margin-bottom: 6px;
        }

        .sidebar-nav-menu a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: 10px;
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 15px;
            transition: all var(--transition-base);
            position: relative;
        }

        .sidebar-nav-menu a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            color: var(--text-weak);
            transition: color var(--transition-base);
        }

        .sidebar-nav-menu a:hover {
            background: rgba(43, 108, 176, 0.08);
            color: var(--primary-blue);
        }

        .sidebar-nav-menu a:hover i {
            color: var(--primary-blue);
        }

        .sidebar-nav-menu a.active {
            background: var(--primary-blue-light);
            color: var(--primary-blue);
            font-weight: 600;
        }

        .sidebar-nav-menu a.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 28px;
            background: var(--primary-blue);
            border-radius: 0 3px 3px 0;
        }

        .sidebar-nav-menu a.active i {
            color: var(--primary-blue);
        }

        .sidebar-footer {
            padding-top: 16px;
            border-top: 1px solid var(--border-color);
            font-size: 12px;
            color: var(--text-weak);
            line-height: 1.6;
        }

        .sidebar-footer a {
            color: var(--text-weak);
            font-size: 12px;
        }

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

        /* ========== 内容区 ========== */
        .main-content {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
        }

        /* ========== 移动端顶部导航 ========== */
        .mobile-header {
            display: none;
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 40;
        }

        .mobile-header .top-bar {
            background: #fff;
            padding: 12px 16px;
            border-bottom: none;
        }

        .mobile-header .top-bar-left .menu-text {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            color: var(--text-primary);
            font-size: 18px;
            padding: 0;
        }

        .mobile-header .top-bar-left .menu-text i {
            color: var(--primary-blue);
        }

        .mobile-header .menu-icon {
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 6px 10px;
        }

        .mobile-header .menu-icon::after {
            background: var(--text-primary);
            box-shadow: 0 7px 0 var(--text-primary), 0 14px 0 var(--text-primary);
        }

        .mobile-header .vertical.menu {
            background: #fff;
            border-radius: 0 0 12px 12px;
            box-shadow: var(--shadow-card);
        }

        .mobile-header .is-drilldown {
            max-height: 70vh;
            overflow-y: auto;
        }

        .mobile-header .vertical.menu a {
            font-size: 15px;
            padding: 12px 18px;
            color: var(--text-secondary);
            border-bottom: 1px solid #f0f5fa;
        }

        .mobile-header .vertical.menu a.active {
            color: var(--primary-blue);
            font-weight: 600;
            background: var(--primary-blue-light);
        }

        /* ========== Hero Banner ========== */
        .category-hero {
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 72px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(244, 248, 252, 0.94) 0%, rgba(234, 243, 251, 0.88) 50%, rgba(43, 108, 176, 0.55) 100%);
            z-index: 1;
        }

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

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: var(--primary-blue);
            font-weight: 500;
        }

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

        .breadcrumb-nav i {
            font-size: 10px;
            color: var(--text-weak);
        }

        .breadcrumb-nav .current {
            color: var(--text-weak);
        }

        .category-hero h1 {
            font-size: 40px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            line-height: 1.25;
        }

        .category-hero .hero-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.85;
            max-width: 680px;
            margin-bottom: 24px;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-tag);
            padding: 6px 16px;
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .hero-tag i {
            color: var(--accent-orange);
            font-size: 12px;
        }

        /* ========== 内容卡片列表 ========== */
        .content-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .content-list-item {
            display: flex;
            gap: 24px;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 20px;
            margin-bottom: 20px;
            transition: all var(--transition-base);
        }

        .content-list-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--primary-blue);
        }

        .content-list-item .item-image {
            flex-shrink: 0;
            width: 240px;
            height: 160px;
            border-radius: var(--radius-card-sm);
            overflow: hidden;
            background: var(--bg-light);
        }

        .content-list-item .item-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .content-list-item .item-body {
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .item-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 8px;
            flex-wrap: wrap;
        }

        .item-tag {
            display: inline-block;
            background: var(--primary-blue-light);
            color: var(--primary-blue);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-tag);
        }

        .item-date {
            font-size: 13px;
            color: var(--text-weak);
        }

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

        .content-list-item .item-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
            flex: 1;
        }

        .item-link {
            align-self: flex-start;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-blue);
            transition: all var(--transition-base);
        }

        .item-link:hover {
            color: var(--primary-blue-dark);
            gap: 10px;
        }

        .item-link i {
            font-size: 12px;
        }

        /* ========== 深信息块 ========== */
        .deep-info-block {
            background: var(--dark-bg);
            border-radius: var(--radius-card);
            padding: 40px;
            margin-top: 40px;
            position: relative;
            overflow: hidden;
        }

        .deep-info-block::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: rgba(249, 115, 22, 0.12);
            border-radius: 50%;
        }

        .deep-info-block::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 180px;
            height: 180px;
            background: rgba(43, 108, 176, 0.15);
            border-radius: 50%;
        }

        .deep-info-block .container-custom {
            position: relative;
            z-index: 2;
        }

        .deep-info-block h2 {
            color: var(--text-white);
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .deep-info-block .deep-desc {
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 28px;
        }

        .hot-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 16px;
        }

        .hot-list li {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-card-sm);
            padding: 16px 20px;
            transition: all var(--transition-base);
        }

        .hot-list li:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: rgba(255, 255, 255, 0.25);
        }

        .hot-list .hot-rank {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--accent-orange);
            color: #fff;
            font-weight: 700;
            font-size: 13px;
            margin-bottom: 8px;
        }

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

        .hot-list .hot-num {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
        }

        /* ========== 深度内容区 ========== */
        .deep-content-section {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 36px 40px;
            margin-top: 40px;
        }

        .deep-content-section h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .deep-content-section h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-top: 20px;
            margin-bottom: 10px;
        }

        .deep-content-section p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 14px;
        }

        .deep-content-section blockquote {
            border-left: 4px solid var(--accent-orange);
            background: var(--bg-light);
            padding: 16px 20px;
            margin: 16px 0;
            border-radius: 0 var(--radius-card-sm) var(--radius-card-sm) 0;
            font-size: 15px;
            color: var(--text-primary);
            font-style: normal;
        }

        .deep-content-section blockquote p {
            margin-bottom: 0;
            color: var(--text-primary);
        }

        /* ========== FAQ ========== */
        .faq-accordion {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .faq-accordion .accordion-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card-sm);
            margin-bottom: 12px;
            background: var(--card-bg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-accordion .accordion-item:hover {
            border-color: var(--primary-blue);
        }

        .faq-accordion .accordion-title {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            border: none;
            background: transparent;
            width: 100%;
            text-align: left;
            position: relative;
        }

        .faq-accordion .accordion-title::before {
            content: '+';
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-blue-light);
            color: var(--primary-blue);
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
            transition: all var(--transition-base);
        }

        .faq-accordion .accordion-item.is-active .accordion-title::before {
            content: '−';
            background: var(--primary-blue);
            color: #fff;
        }

        .faq-accordion .accordion-content {
            padding: 0 24px 20px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            background: var(--primary-blue-light);
            border-top: 1px solid var(--border-color);
        }

        /* ========== 底部 CTA ========== */
        .section-cta {
            background: var(--bg-light);
            border-radius: var(--radius-card);
            padding: 40px;
            text-align: center;
            margin-top: 40px;
            border: 1px solid var(--border-color);
        }

        .section-cta h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .section-cta p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 24px;
        }

        .section-cta .button-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-blue);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-base);
        }

        .btn-primary:hover {
            background: var(--primary-blue-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(43, 108, 176, 0.25);
        }

        .btn-orange {
            background: var(--accent-orange);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-orange:hover {
            background: #e86508;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(249, 115, 22, 0.3);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary-blue);
            border: 2px solid var(--primary-blue);
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-base);
        }

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

        /* ========== 底部固定转化条 ========== */
        .fixed-cta-bar {
            position: fixed;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            margin-left: calc(var(--sidebar-width) / 2);
            width: 720px;
            max-width: calc(100vw - 320px);
            background: var(--dark-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-cta);
            padding: 16px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            z-index: 45;
            transition: all 0.3s ease;
        }

        .fixed-cta-bar .cta-text {
            flex: 1;
            color: var(--text-white);
            font-size: 14px;
            font-weight: 500;
        }

        .fixed-cta-bar .cta-text strong {
            color: var(--accent-orange-light);
        }

        .fixed-cta-bar .btn-orange {
            padding: 10px 22px;
            font-size: 14px;
            white-space: nowrap;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--dark-bg);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 28px;
            margin-top: 0;
        }

        .site-footer .footer-content {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .site-footer .footer-brand h3 {
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }

        .site-footer .footer-brand h3 i {
            color: var(--accent-orange-light);
        }

        .site-footer .footer-brand p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            line-height: 1.75;
        }

        .site-footer .footer-col h5 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 14px;
        }

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

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

        .site-footer .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: all var(--transition-base);
        }

        .site-footer .footer-col ul li a:hover {
            color: var(--accent-orange-light);
        }

        .site-footer .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: 13px;
            color: rgba(255, 255, 255, 0.55);
        }

        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 13px;
        }

        .site-footer .footer-bottom a:hover {
            color: var(--accent-orange-light);
        }

        .footer-beian {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }

        /* ========== 分页/加载更多 ========== */
        .load-more-wrap {
            text-align: center;
            margin-top: 28px;
        }

        .btn-load-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-btn);
            padding: 12px 32px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-blue);
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-card);
        }

        .btn-load-more:hover {
            background: var(--primary-blue-light);
            border-color: var(--primary-blue);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        /* ========== 响应式断点 ========== */
        @media screen and (max-width: 1023px) {
            .sidebar-nav {
                display: none;
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-header {
                display: block;
            }
            .category-hero h1 {
                font-size: 32px;
            }
            .content-list-item {
                flex-direction: column;
                gap: 16px;
            }
            .content-list-item .item-image {
                width: 100%;
                height: 200px;
            }
            .site-footer .footer-content {
                grid-template-columns: 1fr 1fr;
            }
            .fixed-cta-bar {
                margin-left: 0;
                left: 50%;
                transform: translateX(-50%);
                width: calc(100vw - 32px);
                max-width: 720px;
            }
            .deep-info-block {
                padding: 28px;
            }
            .deep-content-section {
                padding: 28px;
            }
            .section-cta {
                padding: 28px;
            }
        }

        @media screen and (max-width: 767px) {
            .section-padding {
                padding: 48px 0;
            }
            .section-padding-sm {
                padding: 32px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .category-hero {
                padding: 40px 0;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .category-hero .hero-desc {
                font-size: 14px;
            }
            .hero-tag {
                font-size: 12px;
                padding: 4px 12px;
            }
            .content-list-item .item-image {
                height: 160px;
            }
            .content-list-item .item-body h3 {
                font-size: 16px;
            }
            .content-list-item .item-body p {
                font-size: 13px;
            }
            .item-link {
                font-size: 13px;
            }
            .deep-info-block {
                padding: 20px;
            }
            .deep-info-block h2 {
                font-size: 20px;
            }
            .deep-content-section {
                padding: 20px;
                border-radius: 12px;
            }
            .deep-content-section h2 {
                font-size: 20px;
            }
            .deep-content-section h3 {
                font-size: 16px;
            }
            .faq-accordion .accordion-title {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-accordion .accordion-content {
                padding: 0 16px 16px;
                font-size: 13px;
            }
            .section-cta {
                padding: 24px 16px;
            }
            .section-cta h2 {
                font-size: 20px;
            }
            .section-cta p {
                font-size: 14px;
            }
            .section-cta .button-group {
                flex-direction: column;
                gap: 10px;
            }
            .btn-primary,
            .btn-orange,
            .btn-outline {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                font-size: 14px;
            }
            .fixed-cta-bar {
                flex-direction: column;
                gap: 10px;
                padding: 12px 16px;
                bottom: 12px;
                text-align: center;
            }
            .fixed-cta-bar .cta-text {
                font-size: 13px;
            }
            .fixed-cta-bar .btn-orange {
                width: 100%;
                justify-content: center;
                white-space: normal;
            }
            .site-footer {
                padding: 40px 0 20px;
            }
            .site-footer .footer-content {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .breadcrumb-nav {
                font-size: 12px;
                gap: 6px;
            }
            .hot-list {
                grid-template-columns: 1fr;
            }
            .hot-list li {
                padding: 12px 16px;
            }
        }

        @media screen and (max-width: 380px) {
            .category-hero h1 {
                font-size: 22px;
            }
            .content-list-item .item-image {
                height: 140px;
            }
            .item-tag {
                font-size: 11px;
                padding: 3px 10px;
            }
            .item-date {
                font-size: 11px;
            }
            .footer-beian {
                font-size: 11px;
            }
            .fixed-cta-bar {
                bottom: 8px;
                padding: 10px 12px;
            }
        }

/* roulang page: category5 */
:root {
            --primary-blue: #2B6CB0;
            --primary-blue-dark: #1F5FA6;
            --primary-blue-light: #EBF3FA;
            --accent-orange: #F97316;
            --accent-orange-light: #F59E0B;
            --dark-bg: #102A43;
            --dark-bg-secondary: #0F2A4A;
            --card-bg: #FFFFFF;
            --border-color: #E3ECF5;
            --bg-main: #F4F8FC;
            --bg-light: #EAF3FB;
            --text-primary: #1A2B3C;
            --text-secondary: #486581;
            --text-weak: #829AB1;
            --text-white: #FFFFFF;
            --radius-card: 14px;
            --radius-card-sm: 10px;
            --radius-btn: 10px;
            --radius-tag: 999px;
            --shadow-card: 0 8px 24px rgba(15, 40, 80, 0.07);
            --shadow-hover: 0 14px 34px rgba(15, 40, 80, 0.12);
            --shadow-cta: 0 12px 40px rgba(15, 40, 80, 0.22);
            --transition-base: 0.2s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --sidebar-width: 280px;
        }

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-main);
            min-height: 100vh;
            margin: 0;
        }

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

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

        .container-custom {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-padding {
            padding: 64px 0;
        }
        .section-padding-sm {
            padding: 44px 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-blue);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 12px;
            background: var(--primary-blue-light);
            padding: 6px 16px;
            border-radius: var(--radius-tag);
        }
        .section-label i {
            font-size: 12px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.3;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 1.8rem;
        }

        .text-accent { color: var(--accent-orange); }
        .text-blue { color: var(--primary-blue); }

        /* ========== 左侧竖向导航 ========== */
        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--bg-light);
            border-right: 1px solid var(--border-color);
            z-index: 50;
            display: flex;
            flex-direction: column;
            padding: 24px 16px 20px;
            overflow-y: auto;
            transition: transform 0.3s ease;
        }
        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 8px 12px 20px;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 16px;
        }
        .sidebar-brand-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary-blue);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
            letter-spacing: -0.5px;
        }
        .sidebar-brand-text h3 {
            font-size: 20px;
            margin: 0;
            color: var(--text-primary);
            font-weight: 700;
            line-height: 1.3;
        }
        .sidebar-brand-text span {
            font-size: 11px;
            color: var(--text-weak);
            text-transform: uppercase;
            letter-spacing: 1.5px;
        }
        .sidebar-nav-menu {
            list-style: none;
            padding: 0;
            margin: 0;
            flex: 1;
        }
        .sidebar-nav-menu li {
            margin-bottom: 4px;
        }
        .sidebar-nav-menu a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 11px 16px;
            border-radius: 10px;
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 15px;
            transition: all var(--transition-base);
            position: relative;
        }
        .sidebar-nav-menu a i {
            width: 20px;
            text-align: center;
            font-size: 15px;
            color: var(--text-weak);
            transition: color var(--transition-base);
        }
        .sidebar-nav-menu a:hover {
            background: rgba(43, 108, 176, 0.08);
            color: var(--primary-blue);
        }
        .sidebar-nav-menu a:hover i {
            color: var(--primary-blue);
        }
        .sidebar-nav-menu a.active {
            background: var(--primary-blue-light);
            color: var(--primary-blue);
            font-weight: 600;
        }
        .sidebar-nav-menu a.active::before {
            content: '';
            position: absolute;
            left: -16px;
            top: 8px;
            bottom: 8px;
            width: 3px;
            background: var(--primary-blue);
            border-radius: 0 3px 3px 0;
        }
        .sidebar-nav-menu a.active i {
            color: var(--primary-blue);
        }
        .sidebar-footer-links {
            padding: 16px 12px 8px;
            border-top: 1px solid var(--border-color);
            font-size: 13px;
            color: var(--text-weak);
        }
        .sidebar-footer-links a {
            color: var(--text-weak);
            font-size: 13px;
            margin-right: 12px;
        }
        .sidebar-footer-links a:hover {
            color: var(--primary-blue);
        }
        .sidebar-beian {
            padding: 8px 12px 0;
            font-size: 11px;
            color: var(--text-weak);
            line-height: 1.6;
        }

        /* ========== 移动端顶部导航 ========== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            z-index: 60;
            padding: 10px 16px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 12px rgba(15,40,80,0.06);
        }
        .mobile-brand {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .mobile-brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary-blue);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 15px;
        }
        .mobile-brand h3 {
            font-size: 17px;
            margin: 0;
            color: var(--text-primary);
            font-weight: 700;
        }
        .mobile-menu-btn {
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-primary);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background var(--transition-base);
        }
        .mobile-menu-btn:hover {
            background: var(--primary-blue-light);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 56px;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 8px 24px rgba(15,40,80,0.1);
            z-index: 59;
            padding: 12px 16px 20px;
            max-height: calc(100vh - 56px);
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu-group {
            font-size: 12px;
            color: var(--text-weak);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin: 12px 0 8px;
            font-weight: 600;
        }
        .mobile-menu ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .mobile-menu li {
            margin-bottom: 2px;
        }
        .mobile-menu a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 11px 14px;
            border-radius: 10px;
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 15px;
            transition: all var(--transition-base);
        }
        .mobile-menu a i {
            width: 20px;
            text-align: center;
            color: var(--text-weak);
        }
        .mobile-menu a:hover {
            background: var(--primary-blue-light);
            color: var(--primary-blue);
        }
        .mobile-menu a.active {
            background: var(--primary-blue-light);
            color: var(--primary-blue);
            font-weight: 600;
        }

        /* ========== 主内容区 ========== */
        .main-content {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ========== Hero 横条 ========== */
        .page-hero {
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 72px 0 56px;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(244,248,252,0.96) 0%, rgba(234,243,251,0.88) 40%, rgba(43,108,176,0.55) 100%);
        }
        .page-hero .container-custom {
            position: relative;
            z-index: 2;
        }
        .breadcrumb-nav {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-nav a {
            color: var(--text-secondary);
        }
        .breadcrumb-nav a:hover {
            color: var(--primary-blue);
        }
        .breadcrumb-nav .separator {
            color: var(--text-weak);
            font-size: 12px;
        }
        .page-hero h1 {
            font-size: 38px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            line-height: 1.25;
        }
        .page-hero .hero-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 680px;
        }
        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 28px;
        }
        .hero-stat-item {
            background: rgba(255,255,255,0.85);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 14px 20px;
            min-width: 130px;
            backdrop-filter: blur(4px);
        }
        .hero-stat-item .stat-num {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary-blue);
            line-height: 1.2;
        }
        .hero-stat-item .stat-label {
            font-size: 12px;
            color: var(--text-weak);
            margin-top: 2px;
        }

        /* ========== 通用卡片 ========== */
        .card-base {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }
        .card-base:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--primary-blue);
        }
        .card-img-wrap {
            border-radius: var(--radius-card-sm);
            overflow: hidden;
            background: var(--bg-light);
            aspect-ratio: 16/9;
            position: relative;
        }
        .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }
        .card-base:hover .card-img-wrap img {
            transform: scale(1.04);
        }

        /* ========== 按钮 ========== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-blue);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
        }
        .btn-primary:hover {
            background: var(--primary-blue-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(43,108,176,0.25);
        }
        .btn-orange {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent-orange);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
        }
        .btn-orange:hover {
            background: #EA5E0A;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(249,115,22,0.3);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary-blue);
            font-weight: 600;
            font-size: 15px;
            padding: 11px 26px;
            border-radius: var(--radius-btn);
            border: 2px solid var(--primary-blue);
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
        }
        .btn-outline:hover {
            background: var(--primary-blue-light);
            color: var(--primary-blue-dark);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 8px;
        }

        /* ========== 标签 ========== */
        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-tag);
            background: var(--primary-blue-light);
            color: var(--primary-blue);
            white-space: nowrap;
        }
        .badge-tag.orange {
            background: #FFF1E6;
            color: var(--accent-orange);
        }
        .badge-tag.green {
            background: #E8F5EE;
            color: #1E8E5A;
        }
        .badge-tag.dark {
            background: var(--dark-bg);
            color: #fff;
        }

        /* ========== 卖点卡片（差异化宽度） ========== */
        .feature-grid {
            display: grid;
            grid-template-columns: 1.25fr 0.875fr 0.875fr;
            gap: 20px;
        }
        .feature-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 26px 24px;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--primary-blue);
        }
        .feature-card .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--primary-blue-light);
            color: var(--primary-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
        }
        .feature-card .feature-num {
            font-size: 36px;
            font-weight: 700;
            color: var(--accent-orange);
            line-height: 1;
            margin-bottom: 8px;
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }
        .feature-card.feature-large {
            padding: 32px 28px;
        }
        .feature-card.feature-large h3 {
            font-size: 22px;
        }
        .feature-card.feature-large p {
            font-size: 15px;
        }

        /* ========== 紧凑网格卡片 ========== */
        .compact-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .compact-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .compact-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--primary-blue);
        }
        .compact-card .card-body {
            padding: 18px 18px 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .compact-card .card-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 8px;
            flex-wrap: wrap;
        }
        .compact-card .card-date {
            font-size: 12px;
            color: var(--text-weak);
        }
        .compact-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .compact-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 12px;
            flex: 1;
        }
        .compact-card .card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-blue);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .compact-card .card-link:hover {
            color: var(--primary-blue-dark);
            gap: 8px;
        }

        /* ========== 深信息块 ========== */
        .dark-info-block {
            background: var(--dark-bg);
            border-radius: var(--radius-card);
            padding: 40px 36px;
            color: var(--text-white);
            position: relative;
            overflow: hidden;
        }
        .dark-info-block::after {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(249,115,22,0.12);
            pointer-events: none;
        }
        .dark-info-block h2 {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .dark-info-block p {
            font-size: 15px;
            color: rgba(255,255,255,0.75);
            line-height: 1.8;
            margin-bottom: 0;
        }
        .rule-timeline {
            list-style: none;
            padding: 0;
            margin: 20px 0 0;
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .rule-timeline li {
            display: flex;
            gap: 16px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255,255,255,0.12);
            font-size: 14px;
            color: rgba(255,255,255,0.8);
        }
        .rule-timeline li:last-child {
            border-bottom: none;
        }
        .rule-timeline .timeline-year {
            font-weight: 700;
            color: var(--accent-orange-light);
            min-width: 52px;
            flex-shrink: 0;
        }

        /* ========== 流程步骤 ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .step-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 20px 18px;
            text-align: left;
            transition: all var(--transition-base);
        }
        .step-item:hover {
            border-color: var(--primary-blue);
            box-shadow: var(--shadow-hover);
        }
        .step-number {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--accent-orange);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            margin-bottom: 10px;
        }
        .step-item h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .step-item p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== FAQ ========== */
        .accordion {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            background: #fff;
        }
        .accordion-item {
            border-bottom: 1px solid var(--border-color);
        }
        .accordion-item:last-child {
            border-bottom: none;
        }
        .accordion-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            padding: 18px 24px;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 12px;
            transition: background var(--transition-base);
            position: relative;
        }
        .accordion-title::before {
            content: '+';
            font-size: 20px;
            font-weight: 600;
            color: var(--primary-blue);
            flex-shrink: 0;
            transition: transform var(--transition-base);
        }
        .accordion-title:hover {
            background: var(--primary-blue-light);
        }
        .accordion-title[aria-expanded="true"] {
            background: var(--primary-blue-light);
        }
        .accordion-title[aria-expanded="true"]::before {
            content: '−';
        }
        .accordion-content {
            padding: 0 24px 18px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            display: none;
        }
        .accordion-item.is-active .accordion-content {
            display: block;
        }

        /* ========== CTA 横幅 ========== */
        .cta-banner {
            background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
            border-radius: var(--radius-card);
            padding: 44px 40px;
            position: relative;
            overflow: hidden;
            color: #fff;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -30px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(249,115,22,0.2);
            pointer-events: none;
        }
        .cta-banner h3 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }
        .cta-banner p {
            font-size: 15px;
            color: rgba(255,255,255,0.85);
            line-height: 1.7;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }
        .cta-banner .btn-orange {
            position: relative;
            z-index: 1;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--dark-bg);
            color: #fff;
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .site-footer .container-custom {
            max-width: 1120px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: 1.4fr 0.9fr 0.9fr 0.9fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-brand h3 i {
            color: var(--accent-orange-light);
        }
        .footer-brand p {
            font-size: 13px;
            color: rgba(255,255,255,0.7);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .footer-col h5 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 6px;
        }
        .footer-col ul a {
            font-size: 13px;
            color: rgba(255,255,255,0.7);
            transition: color var(--transition-base);
        }
        .footer-col ul a:hover {
            color: var(--accent-orange-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.15);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: rgba(255,255,255,0.6);
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.7);
            font-size: 12px;
        }
        .footer-bottom a:hover {
            color: var(--accent-orange-light);
        }
        .footer-beian {
            font-size: 12px;
            color: rgba(255,255,255,0.55);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            :root { --sidebar-width: 220px; }
            .feature-grid {
                grid-template-columns: 1fr 1fr;
            }
            .feature-card.feature-large {
                grid-column: span 2;
            }
            .compact-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-content {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .sidebar-nav {
                display: none;
            }
            .mobile-header {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                padding-top: 56px;
            }
            .page-hero {
                padding: 48px 0 36px;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .section-title {
                font-size: 24px;
            }
            .section-padding {
                padding: 44px 0;
            }
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .feature-card.feature-large {
                grid-column: auto;
            }
            .compact-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .hero-stats-row {
                gap: 12px;
            }
            .hero-stat-item {
                min-width: 100px;
                padding: 10px 14px;
            }
            .hero-stat-item .stat-num {
                font-size: 18px;
            }
            .dark-info-block {
                padding: 28px 20px;
            }
            .cta-banner {
                padding: 30px 24px;
            }
            .cta-banner h3 {
                font-size: 22px;
            }
            .footer-content {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .container-custom {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 24px;
            }
            .breadcrumb-nav {
                font-size: 12px;
                flex-wrap: wrap;
            }
            .hero-stats-row {
                flex-direction: column;
                gap: 8px;
            }
            .hero-stat-item {
                min-width: auto;
                display: flex;
                align-items: center;
                gap: 12px;
            }
            .section-title {
                font-size: 21px;
            }
        }

/* roulang page: category6 */
:root {
 --primary-blue: #2B6CB0;
 --primary-blue-dark: #1F5FA6;
 --primary-blue-light: #EBF3FA;
 --accent-orange: #F97316;
 --accent-orange-light: #F59E0B;
 --dark-bg: #102A43;
 --dark-bg-secondary: #0F2A4A;
 --card-bg: #FFFFFF;
 --border-color: #E3ECF5;
 --bg-main: #F4F8FC;
 --bg-light: #EAF3FB;
 --text-primary: #1A2B3C;
 --text-secondary: #486581;
 --text-weak: #829AB1;
 --text-white: #FFFFFF;
 --radius-card: 14px;
 --radius-card-sm: 10px;
 --radius-btn: 10px;
 --radius-tag: 999px;
 --shadow-card: 0 8px 24px rgba(15, 40, 80, 0.07);
 --shadow-hover: 0 14px 34px rgba(15, 40, 80, 0.12);
 --shadow-cta: 0 12px 40px rgba(15, 40, 80, 0.22);
 --transition-base: 0.2s ease;
 --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
 --sidebar-width: 280px;
}
*, *::before, *::after { box-sizing: border-box; }
html {
 scroll-behavior: smooth;
 -webkit-font-smoothing: antialiased;
 -moz-osx-font-smoothing: grayscale;
}
body {
 font-family: var(--font-stack);
 font-size: 16px;
 line-height: 1.75;
 color: var(--text-primary);
 background-color: var(--bg-main);
 min-height: 100vh;
 margin: 0;
}
img { max-width: 100%; height: auto; display: block; }
a {
 color: var(--primary-blue);
 text-decoration: none;
 transition: color var(--transition-base), background-color var(--transition-base), border-color var(--transition-base);
}
a:hover { color: var(--primary-blue-dark); }
a:focus-visible, button:focus-visible, input:focus-visible {
 outline: 2px solid var(--primary-blue);
 outline-offset: 2px;
 border-radius: 4px;
}
.container-custom { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-padding { padding: 72px 0; }
.section-padding-sm { padding: 48px 0; }
.section-label {
 display: inline-flex;
 align-items: center;
 gap: 8px;
 font-size: 13px;
 font-weight: 600;
 color: var(--primary-blue);
 text-transform: uppercase;
 letter-spacing: 1.5px;
 margin-bottom: 12px;
 background: var(--primary-blue-light);
 padding: 6px 16px;
 border-radius: var(--radius-tag);
}
.section-label i { font-size: 12px; }
.section-title {
 font-size: 32px;
 font-weight: 700;
 color: var(--text-primary);
 margin-bottom: 12px;
 line-height: 1.3;
}
.section-desc {
 font-size: 16px;
 color: var(--text-secondary);
 line-height: 1.8;
 max-width: 720px;
 margin-bottom: 2rem;
}
.text-accent { color: var(--accent-orange); }
.text-blue { color: var(--primary-blue); }
/* ========== 左侧竖向导航 ========== */
.sidebar-nav {
 position: fixed;
 top: 0;
 left: 0;
 width: var(--sidebar-width);
 height: 100vh;
 background: var(--bg-light);
 border-right: 1px solid var(--border-color);
 z-index: 50;
 display: flex;
 flex-direction: column;
 padding: 24px 16px 20px;
 overflow-y: auto;
 transition: transform 0.3s ease;
}
.sidebar-brand {
 display: flex;
 align-items: center;
 gap: 12px;
 padding: 8px 12px 20px;
 border-bottom: 1px solid var(--border-color);
 margin-bottom: 16px;
}
.sidebar-brand-icon {
 width: 44px;
 height: 44px;
 border-radius: 12px;
 background: var(--primary-blue);
 color: #fff;
 display: flex;
 align-items: center;
 justify-content: center;
 font-weight: 700;
 font-size: 20px;
 flex-shrink: 0;
 letter-spacing: -0.5px;
}
.sidebar-brand-text h3 {
 font-size: 20px;
 margin: 0;
 color: var(--text-primary);
 font-weight: 700;
 line-height: 1.3;
}
.sidebar-brand-text span {
 font-size: 11px;
 color: var(--text-weak);
 text-transform: uppercase;
 letter-spacing: 1.5px;
}
.sidebar-nav-menu { list-style: none; padding: 0; margin: 0; flex: 1; }
.sidebar-nav-menu li { margin-bottom: 6px; }
.sidebar-nav-menu a {
 display: flex;
 align-items: center;
 gap: 12px;
 padding: 12px 16px;
 border-radius: 10px;
 color: var(--text-secondary);
 font-weight: 500;
 font-size: 15px;
 transition: all var(--transition-base);
 position: relative;
}
.sidebar-nav-menu a i {
 width: 20px;
 text-align: center;
 font-size: 16px;
 color: var(--text-weak);
 transition: color var(--transition-base);
}
.sidebar-nav-menu a:hover {
 background: rgba(43, 108, 176, 0.08);
 color: var(--primary-blue);
}
.sidebar-nav-menu a:hover i { color: var(--primary-blue); }
.sidebar-nav-menu a.active {
 background: var(--primary-blue-light);
 color: var(--primary-blue);
 font-weight: 600;
}
.sidebar-nav-menu a.active::before {
 content: '';
 position: absolute;
 left: -16px;
 top: 8px;
 bottom: 8px;
 width: 3px;
 background: var(--primary-blue);
 border-radius: 0 3px 3px 0;
}
.sidebar-nav-menu a.active i { color: var(--primary-blue); }
.sidebar-nav-footer {
 padding-top: 16px;
 border-top: 1px solid var(--border-color);
 font-size: 12px;
 color: var(--text-weak);
}
.sidebar-nav-footer a { color: var(--text-weak); font-size: 12px; }
.sidebar-nav-footer a:hover { color: var(--primary-blue); }
.sidebar-nav-footer p { margin: 4px 0; font-size: 11px; line-height: 1.6; }
/* ========== 移动端顶部导航 ========== */
.mobile-top-bar {
 display: none;
 position: sticky;
 top: 0;
 z-index: 60;
 background: #fff;
 border-bottom: 1px solid var(--border-color);
 padding: 12px 16px;
 align-items: center;
 justify-content: space-between;
}
.mobile-top-bar .brand-mobile {
 display: flex;
 align-items: center;
 gap: 10px;
}
.mobile-top-bar .brand-mobile .sidebar-brand-icon {
 width: 36px;
 height: 36px;
 border-radius: 10px;
 font-size: 16px;
}
.mobile-top-bar .brand-mobile h3 { font-size: 18px; margin: 0; color: var(--text-primary); }
.mobile-top-bar .hamburger-btn {
 background: none;
 border: none;
 font-size: 22px;
 color: var(--text-primary);
 cursor: pointer;
 padding: 8px;
 border-radius: 8px;
 transition: background var(--transition-base);
}
.mobile-top-bar .hamburger-btn:hover { background: var(--primary-blue-light); }
.mobile-menu-overlay {
 display: none;
 position: fixed;
 top: 0;
 left: 0;
 right: 0;
 bottom: 0;
 background: rgba(15, 42, 74, 0.5);
 z-index: 55;
 opacity: 0;
 transition: opacity 0.3s ease;
}
.mobile-menu-overlay.open { opacity: 1; }
.mobile-menu-panel {
 display: none;
 position: fixed;
 top: 0;
 right: -300px;
 width: 280px;
 height: 100vh;
 background: #fff;
 z-index: 56;
 padding: 16px;
 overflow-y: auto;
 transition: right 0.3s ease;
 box-shadow: -8px 0 30px rgba(15, 40, 80, 0.15);
}
.mobile-menu-panel.open { right: 0; }
.mobile-menu-panel .mobile-menu-header {
 display: flex;
 align-items: center;
 justify-content: space-between;
 margin-bottom: 20px;
 padding-bottom: 12px;
 border-bottom: 1px solid var(--border-color);
}
.mobile-menu-panel .mobile-menu-header h4 { margin: 0; font-size: 18px; color: var(--text-primary); font-weight: 700; }
.mobile-menu-panel .close-btn {
 background: none;
 border: none;
 font-size: 20px;
 color: var(--text-secondary);
 cursor: pointer;
 padding: 6px;
 border-radius: 8px;
}
.mobile-menu-panel .close-btn:hover { background: var(--primary-blue-light); color: var(--primary-blue); }
.mobile-menu-panel .mobile-menu-group-title {
 font-size: 12px;
 font-weight: 600;
 color: var(--text-weak);
 text-transform: uppercase;
 letter-spacing: 1.5px;
 margin: 16px 0 8px;
}
.mobile-menu-panel .mobile-menu-list { list-style: none; padding: 0; margin: 0; }
.mobile-menu-panel .mobile-menu-list li { margin-bottom: 4px; }
.mobile-menu-panel .mobile-menu-list a {
 display: flex;
 align-items: center;
 gap: 10px;
 padding: 10px 14px;
 border-radius: 8px;
 color: var(--text-secondary);
 font-weight: 500;
 font-size: 15px;
 transition: all var(--transition-base);
}
.mobile-menu-panel .mobile-menu-list a i { width: 18px; color: var(--text-weak); font-size: 14px; }
.mobile-menu-panel .mobile-menu-list a:hover { background: var(--primary-blue-light); color: var(--primary-blue); }
.mobile-menu-panel .mobile-menu-list a.active { background: var(--primary-blue-light); color: var(--primary-blue); font-weight: 600; }
/* ========== 主内容区 ========== */
.main-content {
 margin-left: var(--sidebar-width);
 min-height: 100vh;
}
/* ========== 分类页 Hero ========== */
.category-hero {
 position: relative;
 background-image: url('/assets/images/backpic/back-2.webp');
 background-size: cover;
 background-position: center;
 padding: 64px 0 48px;
 min-height: 300px;
 display: flex;
 align-items: flex-end;
}
.category-hero::before {
 content: '';
 position: absolute;
 top: 0;
 left: 0;
 right: 0;
 bottom: 0;
 background: linear-gradient(135deg, rgba(244, 248, 252, 0.95) 0%, rgba(234, 243, 251, 0.88) 50%, rgba(244, 248, 252, 0.75) 100%);
 z-index: 1;
}
.category-hero .container-custom {
 position: relative;
 z-index: 2;
}
.breadcrumb-nav {
 font-size: 14px;
 color: var(--text-secondary);
 margin-bottom: 16px;
}
.breadcrumb-nav a { color: var(--text-secondary); }
.breadcrumb-nav a:hover { color: var(--primary-blue); }
.breadcrumb-nav .sep { margin: 0 8px; color: var(--text-weak); }
.breadcrumb-nav .current { color: var(--primary-blue); font-weight: 600; }
.category-hero h1 {
 font-size: 42px;
 font-weight: 700;
 color: var(--text-primary);
 margin-bottom: 12px;
 line-height: 1.25;
}
.category-hero .hero-badge {
 display: inline-block;
 background: var(--accent-orange);
 color: #fff;
 font-size: 13px;
 font-weight: 600;
 padding: 4px 16px;
 border-radius: var(--radius-tag);
 margin-bottom: 16px;
 letter-spacing: 0.5px;
}
.category-hero .hero-desc {
 font-size: 16px;
 color: var(--text-secondary);
 line-height: 1.85;
 max-width: 720px;
}
/* ========== 社区统计条 ========== */
.community-stats-bar {
 background: var(--dark-bg);
 padding: 28px 0;
}
.community-stats-bar .stats-grid {
 display: grid;
 grid-template-columns: repeat(4, 1fr);
 gap: 16px;
}
.stat-item {
 text-align: center;
 padding: 12px 20px;
}
.stat-item .stat-number {
 font-size: 32px;
 font-weight: 700;
 color: var(--accent-orange-light);
 margin-bottom: 4px;
 line-height: 1.2;
}
.stat-item .stat-label {
 font-size: 13px;
 color: rgba(255, 255, 255, 0.75);
 letter-spacing: 0.5px;
}
/* ========== 紧凑网格卡片 ========== */
.community-grid {
 display: grid;
 grid-template-columns: repeat(3, 1fr);
 gap: 20px;
}
.community-card {
 background: var(--card-bg);
 border: 1px solid var(--border-color);
 border-radius: var(--radius-card);
 overflow: hidden;
 transition: all var(--transition-base);
 display: flex;
 flex-direction: column;
 box-shadow: var(--shadow-card);
}
.community-card:hover {
 transform: translateY(-4px);
 box-shadow: var(--shadow-hover);
 border-color: var(--primary-blue);
}
.community-card .card-img-wrap {
 position: relative;
 aspect-ratio: 16/9;
 overflow: hidden;
 background: var(--bg-light);
}
.community-card .card-img-wrap img {
 width: 100%;
 height: 100%;
 object-fit: cover;
 transition: transform 0.4s ease;
}
.community-card:hover .card-img-wrap img { transform: scale(1.04); }
.community-card .card-tag {
 position: absolute;
 top: 12px;
 left: 12px;
 background: var(--primary-blue);
 color: #fff;
 font-size: 12px;
 font-weight: 600;
 padding: 4px 12px;
 border-radius: var(--radius-tag);
 z-index: 2;
}
.community-card .card-tag.hot {
 background: var(--accent-orange);
}
.community-card .card-body {
 padding: 18px 20px 20px;
 display: flex;
 flex-direction: column;
 flex: 1;
}
.community-card .card-meta {
 display: flex;
 align-items: center;
 gap: 8px;
 font-size: 13px;
 color: var(--text-weak);
 margin-bottom: 10px;
}
.community-card .card-meta i { font-size: 12px; }
.community-card .card-title {
 font-size: 17px;
 font-weight: 600;
 color: var(--text-primary);
 margin-bottom: 8px;
 line-height: 1.5;
}
.community-card .card-desc {
 font-size: 14px;
 color: var(--text-secondary);
 line-height: 1.7;
 margin-bottom: 14px;
 flex: 1;
}
.community-card .card-footer-link {
 display: inline-flex;
 align-items: center;
 gap: 6px;
 font-size: 14px;
 font-weight: 600;
 color: var(--primary-blue);
 transition: gap var(--transition-base);
}
.community-card .card-footer-link:hover { color: var(--primary-blue-dark); gap: 10px; }
/* ========== 深信息块 ========== */
.hot-topic-panel {
 background: var(--dark-bg);
 border-radius: var(--radius-card);
 padding: 36px 36px;
 display: grid;
 grid-template-columns: 1fr 1.2fr;
 gap: 36px;
 align-items: center;
 box-shadow: var(--shadow-cta);
}
.hot-topic-panel .hot-panel-left h3 {
 color: #fff;
 font-size: 26px;
 font-weight: 700;
 margin-bottom: 12px;
 line-height: 1.35;
}
.hot-topic-panel .hot-panel-left p {
 color: rgba(255, 255, 255, 0.75);
 font-size: 15px;
 line-height: 1.8;
 margin-bottom: 20px;
}
.hot-topic-panel .hot-panel-left .hot-btn {
 display: inline-flex;
 align-items: center;
 gap: 8px;
 background: var(--accent-orange);
 color: #fff;
 font-size: 15px;
 font-weight: 600;
 padding: 12px 24px;
 border-radius: var(--radius-btn);
 transition: all var(--transition-base);
}
.hot-topic-panel .hot-panel-left .hot-btn:hover {
 background: #e8620a;
 color: #fff;
 transform: translateY(-2px);
}
.hot-topic-list { list-style: none; padding: 0; margin: 0; }
.hot-topic-list li {
 padding: 14px 16px;
 background: rgba(255, 255, 255, 0.06);
 border-radius: 10px;
 margin-bottom: 8px;
 display: flex;
 align-items: center;
 gap: 14px;
 transition: background var(--transition-base);
}
.hot-topic-list li:hover { background: rgba(255, 255, 255, 0.12); }
.hot-topic-list .rank {
 width: 28px;
 height: 28px;
 border-radius: 50%;
 background: var(--accent-orange);
 color: #fff;
 font-size: 13px;
 font-weight: 700;
 display: flex;
 align-items: center;
 justify-content: center;
 flex-shrink: 0;
}
.hot-topic-list .rank.top1 { background: #F59E0B; }
.hot-topic-list .rank.top2 { background: #6B7280; }
.hot-topic-list .rank.top3 { background: #92400E; }
.hot-topic-list .topic-text {
 color: rgba(255, 255, 255, 0.9);
 font-size: 14px;
 font-weight: 500;
 line-height: 1.5;
}
.hot-topic-list .topic-count {
 margin-left: auto;
 font-size: 12px;
 color: rgba(255, 255, 255, 0.55);
 white-space: nowrap;
}
/* ========== 版块/话题分类 ========== */
.topic-categories {
 display: grid;
 grid-template-columns: repeat(3, 1fr);
 gap: 16px;
}
.topic-cat-card {
 background: var(--card-bg);
 border: 1px solid var(--border-color);
 border-radius: var(--radius-card-sm);
 padding: 24px 20px;
 text-align: center;
 transition: all var(--transition-base);
 cursor: pointer;
}
.topic-cat-card:hover {
 transform: translateY(-3px);
 box-shadow: var(--shadow-hover);
 border-color: var(--primary-blue-light);
}
.topic-cat-card .cat-icon {
 width: 48px;
 height: 48px;
 border-radius: 12px;
 background: var(--primary-blue-light);
 color: var(--primary-blue);
 display: flex;
 align-items: center;
 justify-content: center;
 font-size: 20px;
 margin: 0 auto 12px;
}
.topic-cat-card h4 {
 font-size: 16px;
 font-weight: 600;
 color: var(--text-primary);
 margin-bottom: 6px;
}
.topic-cat-card p {
 font-size: 13px;
 color: var(--text-secondary);
 line-height: 1.6;
 margin: 0;
}
/* ========== FAQ ========== */
.faq-accordion .accordion-item {
 background: var(--card-bg);
 border: 1px solid var(--border-color);
 border-radius: var(--radius-card-sm);
 margin-bottom: 10px;
 overflow: hidden;
 transition: all var(--transition-base);
}
.faq-accordion .accordion-item:hover { border-color: var(--primary-blue-light); }
.faq-accordion .accordion-title {
 background: var(--card-bg);
 padding: 16px 20px;
 font-size: 15px;
 font-weight: 600;
 color: var(--text-primary);
 cursor: pointer;
 border: none;
 width: 100%;
 text-align: left;
 display: flex;
 align-items: center;
 gap: 10px;
 transition: background var(--transition-base);
}
.faq-accordion .accordion-title::before {
 content: '+';
 font-size: 18px;
 font-weight: 700;
 color: var(--primary-blue);
 width: 24px;
 text-align: center;
 flex-shrink: 0;
 transition: transform var(--transition-base);
}
.faq-accordion .accordion-item.is-active .accordion-title::before {
 content: '−';
}
.faq-accordion .accordion-title:hover { background: var(--primary-blue-light); }
.faq-accordion .accordion-content {
 padding: 0 20px 16px 54px;
 font-size: 14px;
 color: var(--text-secondary);
 line-height: 1.8;
 display: none;
}
.faq-accordion .accordion-item.is-active .accordion-content { display: block; }
/* ========== CTA 区域 ========== */
.cta-section {
 background: var(--dark-bg);
 border-radius: var(--radius-card);
 padding: 48px 40px;
 text-align: center;
 box-shadow: var(--shadow-cta);
}
.cta-section h2 {
 color: #fff;
 font-size: 28px;
 font-weight: 700;
 margin-bottom: 12px;
}
.cta-section p {
 color: rgba(255, 255, 255, 0.75);
 font-size: 15px;
 line-height: 1.8;
 max-width: 560px;
 margin: 0 auto 24px;
}
.cta-section .cta-btns {
 display: flex;
 gap: 14px;
 justify-content: center;
 flex-wrap: wrap;
}
.cta-section .cta-primary-btn {
 background: var(--accent-orange);
 color: #fff;
 font-size: 15px;
 font-weight: 600;
 padding: 14px 28px;
 border-radius: var(--radius-btn);
 border: none;
 cursor: pointer;
 transition: all var(--transition-base);
 display: inline-flex;
 align-items: center;
 gap: 8px;
}
.cta-section .cta-primary-btn:hover {
 background: #e8620a;
 color: #fff;
 transform: translateY(-2px);
}
.cta-section .cta-secondary-btn {
 background: transparent;
 color: #fff;
 font-size: 15px;
 font-weight: 600;
 padding: 14px 28px;
 border-radius: var(--radius-btn);
 border: 1px solid rgba(255, 255, 255, 0.4);
 cursor: pointer;
 transition: all var(--transition-base);
 display: inline-flex;
 align-items: center;
 gap: 8px;
}
.cta-section .cta-secondary-btn:hover {
 background: rgba(255, 255, 255, 0.1);
 border-color: #fff;
 color: #fff;
}
/* ========== 底部固定转化条 ========== */
.bottom-fixed-cta {
 position: fixed;
 bottom: 24px;
 left: calc(var(--sidebar-width) + (100vw - var(--sidebar-width) - 720px) / 2);
 width: 720px;
 max-width: calc(100vw - 40px);
 background: var(--dark-bg);
 border-radius: 14px;
 padding: 14px 20px;
 display: flex;
 align-items: center;
 gap: 16px;
 z-index: 40;
 box-shadow: var(--shadow-cta);
 transition: transform 0.3s ease;
}
.bottom-fixed-cta.hidden { transform: translateY(120px); }
.bottom-fixed-cta .cta-text {
 flex: 1;
 color: rgba(255, 255, 255, 0.85);
 font-size: 14px;
 line-height: 1.6;
}
.bottom-fixed-cta .cta-btn {
 background: var(--accent-orange);
 color: #fff;
 font-size: 14px;
 font-weight: 600;
 padding: 10px 22px;
 border-radius: var(--radius-btn);
 border: none;
 cursor: pointer;
 white-space: nowrap;
 transition: all var(--transition-base);
}
.bottom-fixed-cta .cta-btn:hover {
 background: #e8620a;
 color: #fff;
 transform: translateY(-2px);
}
/* ========== 页脚 ========== */
.site-footer {
 background: var(--dark-bg);
 color: rgba(255, 255, 255, 0.8);
 padding: 56px 0 24px;
 margin-top: 40px;
}
.site-footer .footer-content {
 display: grid;
 grid-template-columns: 2fr 1fr 1fr 1fr;
 gap: 32px;
 margin-bottom: 32px;
}
.site-footer h3 {
 color: #fff;
 font-size: 20px;
 font-weight: 700;
 margin-bottom: 12px;
 display: flex;
 align-items: center;
 gap: 8px;
}
.site-footer h3 i { color: var(--accent-orange-light); }
.site-footer p {
 font-size: 14px;
 line-height: 1.8;
 color: rgba(255, 255, 255, 0.65);
 margin: 0;
}
.site-footer h5 {
 color: #fff;
 font-size: 15px;
 font-weight: 600;
 margin-bottom: 12px;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer ul li { margin-bottom: 8px; }
.site-footer ul li a {
 color: rgba(255, 255, 255, 0.6);
 font-size: 14px;
 transition: color var(--transition-base);
}
.site-footer ul li a:hover { color: var(--accent-orange-light); }
.footer-bottom {
 border-top: 1px solid rgba(255, 255, 255, 0.12);
 padding-top: 16px;
 font-size: 12px;
 color: rgba(255, 255, 255, 0.5);
 display: flex;
 justify-content: space-between;
 align-items: center;
 flex-wrap: wrap;
 gap: 8px;
}
.footer-bottom a { color: rgba(255, 255, 255, 0.5); font-size: 12px; }
.footer-bottom a:hover { color: var(--accent-orange-light); }
/* ========== 响应式 ========== */
@media (max-width: 1024px) {
 .sidebar-nav { display: none; }
 .mobile-top-bar { display: flex; }
 .mobile-menu-overlay { display: block; }
 .mobile-menu-panel { display: block; }
 .main-content { margin-left: 0; }
 .community-grid { grid-template-columns: repeat(2, 1fr); }
 .topic-categories { grid-template-columns: repeat(2, 1fr); }
 .hot-topic-panel { grid-template-columns: 1fr; gap: 24px; padding: 28px; }
 .community-stats-bar .stats-grid { grid-template-columns: repeat(2, 1fr); }
 .bottom-fixed-cta {
  left: 20px;
  width: calc(100vw - 40px);
  bottom: 16px;
 }
 .site-footer .footer-content { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
 .category-hero { padding: 40px 0 32px; min-height: 220px; }
 .category-hero h1 { font-size: 28px; }
 .section-title { font-size: 24px; }
 .section-padding { padding: 48px 0; }
 .community-grid { grid-template-columns: 1fr; }
 .topic-categories { grid-template-columns: 1fr; }
 .community-stats-bar .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
 .stat-item .stat-number { font-size: 24px; }
 .bottom-fixed-cta { flex-direction: column; align-items: stretch; text-align: center; gap: 10px; padding: 14px 16px; }
 .bottom-fixed-cta .cta-btn { text-align: center; }
 .site-footer .footer-content { grid-template-columns: 1fr; gap: 20px; }
 .footer-bottom { flex-direction: column; text-align: center; }
 .cta-section { padding: 32px 20px; }
 .cta-section h2 { font-size: 22px; }
 .hot-topic-panel { padding: 20px; }
 .hot-topic-panel .hot-panel-left h3 { font-size: 20px; }
}
@media (max-width: 520px) {
 .container-custom { padding: 0 16px; }
 .category-hero h1 { font-size: 24px; }
 .community-stats-bar .stats-grid { grid-template-columns: 1fr 1fr; }
 .stat-item { padding: 8px 12px; }
 .stat-item .stat-number { font-size: 20px; }
 .stat-item .stat-label { font-size: 11px; }
 .community-card .card-body { padding: 14px 16px; }
 .community-card .card-title { font-size: 15px; }
 .cta-section .cta-btns { flex-direction: column; }
 .cta-section .cta-primary-btn,
 .cta-section .cta-secondary-btn { justify-content: center; }
 .breadcrumb-nav { font-size: 12px; }
}