/* roulang page: index */
:root {
            --bg-page: #F5F8FC;
            --bg-section-alt: #FFFFFF;
            --bg-section-gray: #F8FAFD;
            --primary: #2563EB;
            --primary-dark: #1D4ED8;
            --secondary-bg: #E7EEF8;
            --border: #E6EDF7;
            --border-light: #DCE6F5;
            --text-main: #0F1E3D;
            --text-secondary: #5B6B85;
            --accent: #F59E0B;
            --accent-orange: #F97316;
            --success: #22C55E;
            --card-bg: #FFFFFF;
            --shadow-sm: 0 4px 14px rgba(18, 42, 82, 0.06);
            --shadow-hover: 0 10px 26px rgba(18, 42, 82, 0.12);
            --shadow-nav: 0 2px 12px rgba(18, 42, 82, 0.08);
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-tag: 6px;
            --font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --section-padding-y: 88px;
            --section-padding-y-mobile: 52px;
            --container-width: 1260px;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background-color: var(--bg-page);
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: var(--primary);
            transition: color 0.2s ease, opacity 0.2s ease;
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }
        .container-all {
            max-width: var(--container-width);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        @media (min-width: 1200px) {
            .container-all {
                padding-left: 28px;
                padding-right: 28px;
            }
        }
        .section-pad {
            padding-top: var(--section-padding-y);
            padding-bottom: var(--section-padding-y);
        }
        @media (max-width: 575px) {
            .section-pad {
                padding-top: var(--section-padding-y-mobile);
                padding-bottom: var(--section-padding-y-mobile);
            }
        }
        .section-alt {
            background-color: var(--bg-section-alt);
        }
        .section-gray {
            background-color: var(--bg-section-gray);
        }

        /* 导航 */
        .navbar-brand-text {
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--primary);
            letter-spacing: -0.2px;
            white-space: nowrap;
        }
        .navbar-brand-text:hover {
            color: var(--primary-dark);
        }
        .nav-top-bar {
            border-bottom: 1px solid var(--border-light);
            background: rgba(255, 255, 255, 0.95);
            padding: 10px 0;
        }
        .nav-top-bar .search-input {
            max-width: 200px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-light);
            background: #fff;
            padding: 8px 14px;
            font-size: 14px;
            color: var(--text-main);
            transition: border-color 0.2s, box-shadow 0.2s;
        }
        .nav-top-bar .search-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
            outline: none;
        }
        .search-btn {
            border-radius: var(--radius-btn);
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 600;
            transition: background 0.2s ease, transform 0.1s ease;
            white-space: nowrap;
        }
        .search-btn:hover {
            background: var(--primary-dark);
        }
        .trend-chip {
            background: var(--secondary-bg);
            color: var(--text-main);
            border-radius: 20px;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 600;
            white-space: nowrap;
            transition: background 0.2s, color 0.2s;
        }
        .trend-chip:hover {
            background: var(--primary);
            color: #fff;
        }
        .navbar-sub {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border-light);
            padding: 6px 0;
            transition: box-shadow 0.3s ease, padding 0.3s ease;
        }
        .navbar-sub.is-sticky {
            position: sticky;
            top: 0;
            z-index: 1020;
            box-shadow: var(--shadow-nav);
            padding: 4px 0;
        }
        .nav-channel {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--border-light) transparent;
            -webkit-overflow-scrolling: touch;
        }
        .nav-channel::-webkit-scrollbar {
            height: 4px;
        }
        .nav-channel::-webkit-scrollbar-thumb {
            background: var(--border-light);
            border-radius: 4px;
        }
        .nav-channel a {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 14px;
            padding: 8px 16px;
            border-radius: 20px;
            white-space: nowrap;
            position: relative;
            transition: color 0.2s, background 0.2s;
            display: inline-block;
        }
        .nav-channel a:hover {
            color: var(--primary);
            background: rgba(37, 99, 235, 0.06);
        }
        .nav-channel a.active {
            color: var(--primary);
            font-weight: 700;
        }
        .nav-channel a.active::after {
            content: '';
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 2px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
        }
        .navbar-toggler {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-btn);
            padding: 8px 10px;
            font-size: 18px;
            color: var(--text-main);
            background: #fff;
            transition: background 0.2s;
        }
        .navbar-toggler:hover {
            background: var(--secondary-bg);
        }
        .offcanvas {
            background: #fff;
        }
        .offcanvas .nav-link {
            color: var(--text-main);
            font-weight: 600;
            padding: 12px 16px;
            border-radius: 8px;
            transition: background 0.2s, color 0.2s;
        }
        .offcanvas .nav-link:hover,
        .offcanvas .nav-link.active {
            background: var(--secondary-bg);
            color: var(--primary);
        }

        /* Hero - 优惠券墙入口 */
        .hero-section {
            position: relative;
            background-image: url('/assets/images/a5d8605dd6b03a2a.webp');
            background-size: cover;
            background-position: center;
            padding: 100px 0 80px;
            min-height: 560px;
            display: flex;
            align-items: center;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 30, 61, 0.85) 0%, rgba(15, 30, 61, 0.62) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            color: #fff;
        }
        .hero-coupon-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            align-items: center;
        }
        .hero-text {
            flex: 1 1 380px;
        }
        .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: #1a1a1a;
            font-weight: 700;
            font-size: 13px;
            border-radius: 20px;
            padding: 6px 16px;
            letter-spacing: 0.5px;
            margin-bottom: 18px;
        }
        .hero-title {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.3px;
            margin-bottom: 18px;
            color: #fff;
        }
        .hero-desc {
            font-size: 17px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.88);
            max-width: 560px;
            margin-bottom: 26px;
        }
        .hero-coupon-card {
            flex: 0 0 360px;
            max-width: 100%;
            background: #fff;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 20px 48px rgba(0, 0, 0, 0.25);
            position: relative;
        }
        .hero-coupon-card::before,
        .hero-coupon-card::after {
            content: '';
            position: absolute;
            top: 50%;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(15, 30, 61, 0.35);
            transform: translateY(-50%);
            z-index: 3;
        }
        .hero-coupon-card::before {
            left: -12px;
        }
        .hero-coupon-card::after {
            right: -12px;
        }
        .coupon-top {
            background: var(--primary);
            padding: 18px 24px;
            text-align: center;
            position: relative;
        }
        .coupon-top .coupon-label {
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            letter-spacing: 1px;
        }
        .coupon-body {
            padding: 26px 24px 24px;
            text-align: center;
            background: #fff;
        }
        .coupon-discount {
            font-size: 52px;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -1px;
            line-height: 1.1;
        }
        .coupon-meta {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 6px;
            margin-bottom: 14px;
        }
        .coupon-code {
            display: inline-block;
            background: var(--secondary-bg);
            border: 1px dashed var(--primary);
            border-radius: 8px;
            padding: 8px 20px;
            font-weight: 700;
            font-size: 16px;
            color: var(--primary);
            letter-spacing: 1px;
            margin-bottom: 16px;
        }
        .coupon-btn {
            display: inline-block;
            width: 100%;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 14px 20px;
            font-weight: 700;
            font-size: 16px;
            transition: background 0.2s, transform 0.15s;
        }
        .coupon-btn:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 30px;
        }
        .hero-stat {
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: 12px;
            padding: 12px 18px;
            text-align: center;
            min-width: 110px;
            flex: 1 1 auto;
            backdrop-filter: blur(4px);
        }
        .hero-stat .num {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            tabular-nums: numeric;
        }
        .hero-stat .label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.78);
            margin-top: 4px;
            white-space: nowrap;
        }
        @media (max-width: 991px) {
            .hero-section {
                padding: 70px 0 60px;
                min-height: auto;
            }
            .hero-coupon-wrap {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-coupon-card {
                flex: 0 0 auto;
                width: 100%;
                max-width: 420px;
            }
            .hero-title {
                font-size: 32px;
            }
            .hero-desc {
                font-size: 15px;
            }
        }
        @media (max-width: 575px) {
            .hero-title {
                font-size: 28px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .coupon-discount {
                font-size: 40px;
            }
        }

        /* 通用板块标题 */
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.6px;
            color: var(--primary);
            background: rgba(37, 99, 235, 0.08);
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.35;
            letter-spacing: -0.2px;
            color: var(--text-main);
            margin-bottom: 12px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.85;
            max-width: 760px;
            margin-bottom: 28px;
        }
        @media (max-width: 575px) {
            .section-title {
                font-size: 24px;
            }
            .section-desc {
                font-size: 15px;
            }
        }

        /* 卡片通用 */
        .custom-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.3s ease, transform 0.25s ease, border-color 0.3s ease;
            overflow: hidden;
        }
        .custom-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--border-light);
        }
        .custom-card .card-img-wrap {
            overflow: hidden;
            background: var(--secondary-bg);
            position: relative;
        }
        .custom-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .custom-card:hover .card-img-wrap img {
            transform: scale(1.02);
        }

        /* 第2板块 - 高清资源功能分组 */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 18px;
        }
        .feature-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 22px 18px 18px;
            position: relative;
            transition: box-shadow 0.3s, transform 0.25s;
            display: flex;
            flex-direction: column;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(37, 99, 235, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 14px;
        }
        .feature-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
            letter-spacing: -0.1px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .feature-num {
            position: absolute;
            top: 16px;
            right: 18px;
            font-size: 32px;
            font-weight: 800;
            color: rgba(37, 99, 235, 0.12);
            line-height: 1;
        }
        @media (max-width: 991px) {
            .feature-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 767px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 第3板块 - 使用场景 */
        .scene-scroll {
            display: flex;
            gap: 18px;
            overflow-x: auto;
            padding-bottom: 16px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }
        .scene-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .scene-scroll::-webkit-scrollbar-thumb {
            background: var(--border-light);
            border-radius: 6px;
        }
        .scene-card {
            flex: 0 0 220px;
            scroll-snap-align: start;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 20px 16px;
            transition: box-shadow 0.3s, transform 0.25s;
        }
        .scene-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .scene-card .scene-icon {
            font-size: 28px;
            color: var(--accent);
            margin-bottom: 12px;
        }
        .scene-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .scene-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* 第4板块 - 画廊 */
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .gallery-item {
            position: relative;
            border-radius: 12px;
            overflow: hidden;
            cursor: pointer;
            aspect-ratio: 4/3;
            background: var(--secondary-bg);
        }
        .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .gallery-item:hover img {
            transform: scale(1.04);
        }
        .gallery-overlay {
            position: absolute;
            inset: 0;
            background: rgba(15, 30, 61, 0.45);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .gallery-item:hover .gallery-overlay {
            opacity: 1;
        }
        .gallery-overlay .fa {
            background: #fff;
            color: var(--text-main);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }
        @media (max-width: 991px) {
            .gallery-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 767px) {
            .gallery-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .gallery-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 第5板块 - 数据看板 + 案例 */
        .data-board {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            align-items: stretch;
        }
        .data-stats {
            flex: 1 1 300px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .data-stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 22px 18px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }
        .data-stat-card .big-num {
            font-size: 38px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.15;
            tabular-nums: numeric;
        }
        .data-stat-card .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 6px;
        }
        .case-cards {
            flex: 1 1 320px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .case-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 16px 18px;
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .case-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--secondary-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            flex-shrink: 0;
        }
        .case-info h5 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 3px;
        }
        .case-info p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* 第6板块 - 套餐价格 */
        .pricing-grid {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: center;
            align-items: stretch;
        }
        .price-card {
            flex: 0 0 280px;
            max-width: 100%;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 28px 22px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.3s, transform 0.25s, border-color 0.3s;
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .price-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .price-card.featured {
            border-color: var(--primary);
            box-shadow: 0 12px 32px rgba(37, 99, 235, 0.18);
            transform: scale(1.03);
        }
        .price-card.featured:hover {
            transform: scale(1.03) translateY(-4px);
        }
        .price-card .price-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .price-card .price-tag {
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.5px;
            background: var(--accent);
            color: #1a1a1a;
            border-radius: 6px;
            padding: 2px 10px;
            display: inline-block;
            margin-bottom: 12px;
        }
        .price-card .price-num {
            font-size: 44px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            margin-bottom: 4px;
            tabular-nums: numeric;
        }
        .price-card .price-period {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 18px;
        }
        .price-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 22px;
            flex: 1;
        }
        .price-card ul li {
            font-size: 14px;
            color: var(--text-secondary);
            padding: 6px 0;
            border-bottom: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .price-card ul li:last-child {
            border-bottom: none;
        }
        .price-card ul li .fa {
            color: var(--success);
            font-size: 13px;
        }
        .price-card .btn-order {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 13px 20px;
            font-weight: 700;
            font-size: 15px;
            transition: background 0.2s, transform 0.15s;
            text-align: center;
            display: block;
            width: 100%;
        }
        .price-card .btn-order:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
        }
        @media (max-width: 991px) {
            .price-card.featured {
                transform: none;
            }
            .price-card.featured:hover {
                transform: translateY(-4px);
            }
        }
        @media (max-width: 575px) {
            .price-card {
                flex: 0 0 100%;
            }
        }

        /* 第7板块 - 评价墙 */
        .review-wall {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .review-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 20px 18px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.3s, transform 0.25s;
        }
        .review-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .review-card:nth-child(2) {
            margin-top: 28px;
        }
        .review-card:nth-child(3) {
            margin-top: 52px;
        }
        .review-stars {
            color: var(--accent);
            font-size: 14px;
            margin-bottom: 10px;
        }
        .review-text {
            font-size: 14px;
            color: var(--text-main);
            line-height: 1.8;
            margin-bottom: 14px;
        }
        .review-user {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .review-user .avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--secondary-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 15px;
        }
        .review-user .name {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
        }
        @media (max-width: 991px) {
            .review-wall {
                grid-template-columns: repeat(2, 1fr);
            }
            .review-card:nth-child(2),
            .review-card:nth-child(3) {
                margin-top: 0;
            }
        }
        @media (max-width: 575px) {
            .review-wall {
                grid-template-columns: 1fr;
            }
        }

        /* 第8板块 - 口碑评分 */
        .rating-summary {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            align-items: center;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
        }
        .rating-big {
            text-align: center;
            flex: 0 0 140px;
        }
        .rating-big .score {
            font-size: 56px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            tabular-nums: numeric;
        }
        .rating-big .of {
            font-size: 15px;
            color: var(--text-secondary);
        }
        .rating-chips {
            flex: 1;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .rating-chip {
            background: var(--secondary-bg);
            color: var(--text-main);
            font-size: 13px;
            font-weight: 600;
            border-radius: 20px;
            padding: 8px 16px;
            transition: background 0.2s, color 0.2s;
            display: inline-block;
        }
        .rating-chip:hover {
            background: var(--primary);
            color: #fff;
        }

        /* 第9板块 - 资讯列表 */
        .news-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .news-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-light);
            transition: background 0.2s;
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-item:hover {
            background: rgba(231, 238, 248, 0.5);
            border-radius: 8px;
            padding-left: 12px;
            padding-right: 12px;
        }
        .news-date {
            flex: 0 0 70px;
            text-align: center;
            background: var(--secondary-bg);
            border-radius: 8px;
            padding: 8px 4px;
        }
        .news-date .day {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            display: block;
        }
        .news-date .month {
            font-size: 12px;
            color: var(--text-secondary);
        }
        .news-content h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
            line-height: 1.5;
        }
        .news-content p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.7;
        }
        .news-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 700;
            color: var(--accent);
            background: rgba(245, 158, 11, 0.12);
            padding: 2px 8px;
            border-radius: 6px;
            margin-right: 6px;
        }

        /* 第10板块 - 专题入口 */
        .topic-entry-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .topic-entry-card {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            min-height: 200px;
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: flex-end;
            transition: transform 0.25s, box-shadow 0.3s;
            box-shadow: var(--shadow-sm);
        }
        .topic-entry-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .topic-entry-card .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 30, 61, 0.82) 0%, rgba(15, 30, 61, 0.15) 65%);
        }
        .topic-entry-card .entry-content {
            position: relative;
            z-index: 2;
            padding: 22px 24px;
            color: #fff;
            width: 100%;
        }
        .topic-entry-card .entry-content h3 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 6px;
            color: #fff;
        }
        .topic-entry-card .entry-content p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 12px;
            line-height: 1.6;
        }
        .topic-entry-card .entry-link {
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            background: rgba(255, 255, 255, 0.2);
            border: 1px solid rgba(255, 255, 255, 0.5);
            border-radius: 8px;
            padding: 8px 16px;
            display: inline-block;
            transition: background 0.2s;
        }
        .topic-entry-card .entry-link:hover {
            background: rgba(255, 255, 255, 0.35);
            color: #fff;
        }
        @media (max-width: 767px) {
            .topic-entry-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 第11板块 - 下载收藏指南 */
        .guide-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .guide-step {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 22px 18px;
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: box-shadow 0.3s, transform 0.25s;
        }
        .guide-step:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .guide-step .step-num {
            font-size: 34px;
            font-weight: 800;
            color: rgba(37, 99, 235, 0.15);
            line-height: 1;
            margin-bottom: 12px;
        }
        .guide-step h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .guide-step p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        @media (max-width: 991px) {
            .guide-steps {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .guide-steps {
                grid-template-columns: 1fr;
            }
        }

        /* 第12板块 - CTA */
        .cta-band {
            background: linear-gradient(135deg, #EBF2FE 0%, #DCE6F5 100%);
            border-radius: 18px;
            padding: 48px 36px;
            text-align: center;
            border: 1px solid var(--border-light);
        }
        .cta-band h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 14px;
            letter-spacing: -0.2px;
        }
        .cta-band p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 620px;
            margin: 0 auto 26px;
            line-height: 1.85;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 14px 28px;
            font-weight: 700;
            font-size: 16px;
            transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
            display: inline-block;
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
            color: #fff;
        }
        .btn-outline-custom {
            background: #fff;
            color: var(--primary);
            border: 2px solid var(--primary);
            border-radius: var(--radius-btn);
            padding: 13px 26px;
            font-weight: 700;
            font-size: 16px;
            transition: background 0.2s, color 0.2s, transform 0.15s;
            display: inline-block;
        }
        .btn-outline-custom:hover {
            background: rgba(37, 99, 235, 0.08);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        @media (max-width: 575px) {
            .cta-band {
                padding: 32px 18px;
            }
            .cta-band h2 {
                font-size: 22px;
            }
            .btn-primary-custom,
            .btn-outline-custom {
                width: 100%;
                text-align: center;
            }
        }

        /* 页脚 */
        .footer-area {
            background: #E7EEF8;
            border-top: 1px solid var(--border-light);
            padding: 48px 0 20px;
            margin-top: 0;
        }
        .footer-logo {
            font-weight: 800;
            font-size: 1.5rem;
            color: var(--primary);
            letter-spacing: -0.2px;
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 360px;
        }
        .footer-col-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
            letter-spacing: 0.2px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: var(--text-secondary);
            font-size: 14px;
            transition: color 0.2s;
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(15, 30, 61, 0.08);
            padding-top: 18px;
            margin-top: 32px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }
        .footer-bottom .copyright {
            font-size: 13px;
            color: var(--text-secondary);
        }
        .footer-bottom .tech-info {
            font-size: 12px;
            color: var(--text-secondary);
        }
        @media (max-width: 575px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* 按钮通用重置 */
        .btn {
            border-radius: var(--radius-btn);
            font-weight: 600;
            transition: all 0.2s ease;
        }
        .btn:focus {
            box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
            outline: none;
        }
        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
        }

/* roulang page: category1 */
:root {
            --bg-page: #F5F8FC;
            --bg-section-alt: #FFFFFF;
            --bg-section-gray: #F8FAFD;
            --primary: #2563EB;
            --primary-dark: #1D4ED8;
            --secondary-bg: #E7EEF8;
            --border: #E6EDF7;
            --border-light: #DCE6F5;
            --text-main: #0F1E3D;
            --text-secondary: #5B6B85;
            --accent: #F59E0B;
            --accent-orange: #F97316;
            --success: #22C55E;
            --card-bg: #FFFFFF;
            --shadow-sm: 0 4px 14px rgba(18, 42, 82, 0.06);
            --shadow-hover: 0 10px 26px rgba(18, 42, 82, 0.12);
            --shadow-nav: 0 2px 12px rgba(18, 42, 82, 0.08);
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-tag: 6px;
            --font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --section-padding-y: 88px;
            --section-padding-y-mobile: 52px;
            --container-width: 1260px;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--bg-page);
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            text-decoration: none;
            color: var(--primary);
            transition: color 0.2s ease, opacity 0.2s ease;
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }

        .container-all {
            max-width: var(--container-width);
            margin: 0 auto;
            padding-left: 28px;
            padding-right: 28px;
        }

        .section-pad {
            padding-top: var(--section-padding-y);
            padding-bottom: var(--section-padding-y);
        }

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

        /* 导航 */
        .navbar-brand-text {
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--primary);
            letter-spacing: -0.2px;
            white-space: nowrap;
        }
        .navbar-brand-text:hover {
            color: var(--primary-dark);
        }

        .nav-top-bar {
            border-bottom: 1px solid var(--border-light);
            background: rgba(255, 255, 255, 0.95);
            padding: 10px 0;
        }
        .nav-top-bar .search-input {
            max-width: 200px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-light);
            background: #fff;
            padding: 8px 14px;
            font-size: 14px;
            color: var(--text-main);
            transition: border-color 0.2s, box-shadow 0.2s;
        }
        .nav-top-bar .search-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
            outline: none;
        }

        .search-btn {
            border-radius: var(--radius-btn);
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 600;
            transition: background 0.2s ease, transform 0.1s ease;
            white-space: nowrap;
        }
        .search-btn:hover {
            background: var(--primary-dark);
        }

        .trend-chip {
            background: var(--secondary-bg);
            color: var(--text-main);
            border-radius: 20px;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 600;
            white-space: nowrap;
            transition: background 0.2s, color 0.2s;
            display: inline-block;
        }
        .trend-chip:hover {
            background: var(--primary);
            color: #fff;
        }

        .navbar-sub {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border-light);
            padding: 6px 0;
            transition: box-shadow 0.3s ease, padding 0.3s ease;
            z-index: 1020;
        }
        .navbar-sub.is-sticky {
            position: sticky;
            top: 0;
            z-index: 1020;
            box-shadow: var(--shadow-nav);
            padding: 4px 0;
        }

        .nav-channel {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--border-light) transparent;
            -webkit-overflow-scrolling: touch;
        }
        .nav-channel::-webkit-scrollbar {
            height: 4px;
        }
        .nav-channel::-webkit-scrollbar-thumb {
            background: var(--border-light);
            border-radius: 4px;
        }
        .nav-channel a {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 14px;
            padding: 8px 16px;
            border-radius: 20px;
            white-space: nowrap;
            position: relative;
            transition: color 0.2s, background 0.2s;
            display: inline-block;
        }
        .nav-channel a:hover {
            color: var(--primary);
            background: rgba(37, 99, 235, 0.06);
        }
        .nav-channel a.active {
            color: var(--primary);
            font-weight: 700;
        }
        .nav-channel a.active::after {
            content: '';
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 2px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        /* 面包屑 */
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 12px;
        }
        .breadcrumb-custom a {
            color: var(--text-secondary);
            font-weight: 500;
        }
        .breadcrumb-custom a:hover {
            color: var(--primary);
        }
        .breadcrumb-custom .separator {
            color: #B0BED0;
            font-size: 12px;
        }
        .breadcrumb-custom .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* 分类头部 */
        .category-header {
            background: var(--bg-section-alt);
            border-bottom: 1px solid var(--border-light);
            padding: 36px 0 32px;
        }
        .category-header h1 {
            font-size: 34px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }
        .category-header .category-desc {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 760px;
            margin-bottom: 16px;
        }
        .stat-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 20px 32px;
            margin-top: 16px;
        }
        .stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .stat-item .stat-num {
            font-weight: 700;
            font-size: 18px;
            color: var(--text-main);
            font-variant-numeric: tabular-nums;
        }
        .stat-item .stat-label {
            color: var(--text-secondary);
        }
        .stat-item .badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            display: inline-block;
        }
        .badge-dot.green {
            background: var(--success);
        }
        .badge-dot.blue {
            background: var(--primary);
        }
        .badge-dot.orange {
            background: var(--accent);
        }

        /* 筛选工具条 */
        .filter-bar {
            background: var(--bg-section-alt);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            margin-bottom: 36px;
        }
        .filter-group {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px 16px;
        }
        .filter-label {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-main);
            white-space: nowrap;
            min-width: 64px;
        }
        .filter-options {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }
        .filter-check {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 20px;
            background: var(--secondary-bg);
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.2s;
            border: 1px solid transparent;
        }
        .filter-check input[type="checkbox"] {
            accent-color: var(--primary);
            width: 14px;
            height: 14px;
            cursor: pointer;
        }
        .filter-check:hover {
            background: rgba(37, 99, 235, 0.08);
            color: var(--primary);
        }
        .filter-check.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .sort-select {
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-light);
            background: #fff;
            padding: 8px 14px;
            font-size: 14px;
            color: var(--text-main);
            font-weight: 500;
            transition: border-color 0.2s, box-shadow 0.2s;
            min-width: 140px;
        }
        .sort-select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
            outline: none;
        }
        .filter-divider {
            width: 1px;
            height: 28px;
            background: var(--border-light);
            margin: 0 8px;
        }
        .filter-clear {
            font-size: 13px;
            color: var(--text-secondary);
            cursor: pointer;
            white-space: nowrap;
            padding: 4px 8px;
            border-radius: 6px;
            transition: color 0.2s;
        }
        .filter-clear:hover {
            color: var(--primary);
        }

        /* 资源卡片 */
        .resource-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow 0.25s ease, transform 0.25s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .resource-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .resource-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--secondary-bg);
        }
        .resource-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .resource-card:hover .resource-img-wrap img {
            transform: scale(1.02);
        }
        .resource-badge-top {
            position: absolute;
            top: 10px;
            left: 10px;
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .resource-badge-top .badge-tag {
            background: rgba(15, 30, 61, 0.75);
            color: #fff;
            padding: 3px 10px;
            border-radius: var(--radius-tag);
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.3px;
            backdrop-filter: blur(4px);
        }
        .resource-badge-top .badge-accent {
            background: var(--accent);
            color: #fff;
        }
        .resource-badge-top .badge-success {
            background: var(--success);
            color: #fff;
        }
        .resource-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .resource-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .resource-title a {
            color: var(--text-main);
        }
        .resource-title a:hover {
            color: var(--primary);
        }
        .resource-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 12px;
        }
        .resource-tags .tag-item {
            background: var(--secondary-bg);
            color: var(--text-secondary);
            padding: 3px 10px;
            border-radius: var(--radius-tag);
            font-size: 12px;
            font-weight: 600;
        }
        .resource-tags .tag-item.tag-accent {
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent-orange);
        }
        .resource-tags .tag-item.tag-blue {
            background: rgba(37, 99, 235, 0.08);
            color: var(--primary);
        }
        .resource-tags .tag-item.tag-green {
            background: rgba(34, 197, 94, 0.1);
            color: var(--success);
        }
        .resource-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: auto;
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
            font-size: 13px;
            color: var(--text-secondary);
        }
        .resource-meta .meta-date {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .resource-meta .meta-heat {
            display: flex;
            align-items: center;
            gap: 4px;
            color: var(--accent-orange);
            font-weight: 600;
        }

        /* 分页 */
        .pagination-custom {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin-top: 40px;
            flex-wrap: wrap;
        }
        .pagination-custom a,
        .pagination-custom span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 38px;
            height: 38px;
            padding: 0 10px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            transition: all 0.2s;
        }
        .pagination-custom a:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(37, 99, 235, 0.05);
        }
        .pagination-custom .page-active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .pagination-custom .page-disabled {
            opacity: 0.5;
            pointer-events: none;
        }
        .pagination-custom .page-info {
            border: none;
            background: transparent;
            font-size: 13px;
            color: var(--text-secondary);
            min-width: auto;
            height: auto;
            padding: 0 8px;
        }

        /* 标签云 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 24px;
        }
        .tag-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 20px;
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 500;
            transition: all 0.2s;
            cursor: pointer;
        }
        .tag-chip i {
            font-size: 11px;
            color: #B0BED0;
        }
        .tag-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(37, 99, 235, 0.05);
            box-shadow: var(--shadow-sm);
        }
        .tag-chip.tag-hot {
            background: rgba(249, 115, 22, 0.08);
            border-color: rgba(249, 115, 22, 0.3);
            color: var(--accent-orange);
        }
        .tag-chip.tag-hot i {
            color: var(--accent-orange);
        }
        .tag-chip.tag-primary {
            background: rgba(37, 99, 235, 0.06);
            border-color: rgba(37, 99, 235, 0.3);
            color: var(--primary);
        }

        /* 本周精选横向滚动 */
        .featured-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 16px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border-light) transparent;
        }
        .featured-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .featured-scroll::-webkit-scrollbar-thumb {
            background: var(--border-light);
            border-radius: 3px;
        }
        .featured-item {
            flex: 0 0 320px;
            scroll-snap-align: start;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.25s, transform 0.25s;
        }
        .featured-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .featured-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--secondary-bg);
        }
        .featured-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s;
        }
        .featured-item:hover .featured-img-wrap img {
            transform: scale(1.02);
        }
        .featured-rank {
            position: absolute;
            top: 10px;
            right: 10px;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 14px;
        }
        .featured-body {
            padding: 16px 18px;
        }
        .featured-body .featured-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .featured-body .featured-desc {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 10px;
            line-height: 1.6;
        }
        .featured-body .featured-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-secondary);
        }
        .featured-body .featured-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
        }
        .featured-body .featured-link:hover {
            color: var(--primary-dark);
        }

        /* 指标卡 */
        .metric-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            box-shadow: var(--shadow-sm);
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: box-shadow 0.25s, transform 0.25s;
        }
        .metric-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .metric-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(37, 99, 235, 0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 12px;
        }
        .metric-icon.orange {
            background: rgba(245, 158, 11, 0.1);
            color: var(--accent-orange);
        }
        .metric-icon.green {
            background: rgba(34, 197, 94, 0.1);
            color: var(--success);
        }
        .metric-icon.blue-light {
            background: rgba(37, 99, 235, 0.06);
            color: var(--primary-dark);
        }
        .metric-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
            letter-spacing: -0.5px;
        }
        .metric-num .metric-unit {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-left: 2px;
        }
        .metric-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
            margin-top: 4px;
        }
        .metric-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 600;
            margin-top: 8px;
        }
        .metric-trend.up {
            color: var(--success);
        }
        .metric-trend.steady {
            color: var(--accent);
        }

        /* FAQ */
        .faq-section .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            background: var(--card-bg);
            transition: box-shadow 0.2s;
        }
        .faq-section .accordion-item:hover {
            box-shadow: var(--shadow-hover);
        }
        .faq-section .accordion-button {
            background: var(--card-bg);
            color: var(--text-main);
            font-weight: 700;
            font-size: 15px;
            padding: 18px 22px;
            box-shadow: none;
            border: none;
            transition: background 0.2s, color 0.2s;
        }
        .faq-section .accordion-button:not(.collapsed) {
            background: rgba(37, 99, 235, 0.04);
            color: var(--primary);
            box-shadow: none;
        }
        .faq-section .accordion-button:focus {
            box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
            z-index: 2;
        }
        .faq-section .accordion-button::after {
            filter: grayscale(1) brightness(0.5);
        }
        .faq-section .accordion-body {
            padding: 18px 22px 20px;
            font-size: 15px;
            color: var(--text-secondary);
            background: var(--bg-section-gray);
            line-height: 1.7;
        }

        /* CTA 横幅 */
        .cta-banner {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.06), rgba(29, 78, 216, 0.04));
            border: 1px solid rgba(37, 99, 235, 0.2);
            border-radius: var(--radius-card);
            padding: 44px 48px;
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
        }
        .cta-banner .cta-text {
            flex: 1;
            min-width: 280px;
        }
        .cta-banner .cta-text h3 {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 10px;
        }
        .cta-banner .cta-text p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 0;
            max-width: 520px;
        }
        .cta-banner .cta-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
            flex-wrap: wrap;
        }
        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 700;
            transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
        }
        .btn-outline-custom {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            transition: all 0.2s;
        }
        .btn-outline-custom:hover {
            background: rgba(37, 99, 235, 0.06);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        /* 页脚 */
        .footer-area {
            background: var(--bg-section-gray);
            border-top: 1px solid var(--border-light);
            padding: 48px 0 28px;
            margin-top: 0;
        }
        .footer-logo {
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--primary);
            margin-bottom: 10px;
            letter-spacing: -0.2px;
        }
        .footer-desc {
            font-size: 14px;
            color: var(--text-secondary);
            max-width: 320px;
            line-height: 1.7;
        }
        .footer-col-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color 0.2s;
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            border-top: 1px solid var(--border-light);
            padding-top: 20px;
            margin-top: 32px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        /* 响应式 */
        @media (max-width: 991px) {
            .container-all {
                padding-left: 20px;
                padding-right: 20px;
            }
            .section-pad {
                padding-top: 60px;
                padding-bottom: 60px;
            }
            .category-header h1 {
                font-size: 28px;
            }
            .cta-banner {
                padding: 32px 28px;
            }
            .featured-item {
                flex: 0 0 280px;
            }
        }

        @media (max-width: 767px) {
            .section-pad {
                padding-top: 52px;
                padding-bottom: 52px;
            }
            .category-header {
                padding: 28px 0 24px;
            }
            .category-header h1 {
                font-size: 24px;
            }
            .stat-bar {
                gap: 14px 20px;
            }
            .filter-bar {
                padding: 16px 18px;
            }
            .filter-label {
                min-width: 52px;
                font-size: 13px;
            }
            .filter-check {
                padding: 5px 10px;
                font-size: 12px;
            }
            .sort-select {
                min-width: 100%;
                width: 100%;
            }
            .cta-banner {
                padding: 24px 20px;
                flex-direction: column;
                text-align: center;
            }
            .cta-banner .cta-text p {
                margin-left: auto;
                margin-right: auto;
            }
            .cta-banner .cta-actions {
                width: 100%;
                justify-content: center;
            }
            .btn-primary-custom,
            .btn-outline-custom {
                width: 100%;
                text-align: center;
            }
            .metric-card {
                padding: 18px 20px;
            }
            .metric-num {
                font-size: 26px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .resource-title {
                font-size: 14px;
            }
            .featured-item {
                flex: 0 0 240px;
            }
            .pagination-custom a,
            .pagination-custom span {
                min-width: 32px;
                height: 34px;
                font-size: 12px;
                padding: 0 8px;
            }
        }

        @media (max-width: 575px) {
            .container-all {
                padding-left: 14px;
                padding-right: 14px;
            }
            .section-pad {
                padding-top: 44px;
                padding-bottom: 44px;
            }
            .category-header h1 {
                font-size: 22px;
            }
            .stat-bar {
                flex-direction: column;
                gap: 8px;
            }
            .resource-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .filter-group {
                flex-direction: column;
                align-items: flex-start;
            }
            .filter-options {
                width: 100%;
            }
            .filter-divider {
                display: none;
            }
            .tag-cloud {
                gap: 8px;
            }
            .tag-chip {
                padding: 6px 12px;
                font-size: 12px;
            }
            .featured-item {
                flex: 0 0 220px;
            }
            .cta-banner .cta-text h3 {
                font-size: 20px;
            }
        }

        @media (min-width: 576px) and (max-width: 767px) {
            .stat-bar {
                flex-wrap: wrap;
            }
        }