/* roulang page: index */
/* ===== CSS设计变量 ===== */
        :root {
            --primary: #0D6B6E;
            --primary-light: #1A8A8E;
            --primary-dark: #095457;
            --accent: #F48C2D;
            --accent-light: #F7A84C;
            --accent-dark: #D9771E;
            --bg: #F7F5F0;
            --bg-card: #FFFFFF;
            --text-heading: #1C2E3A;
            --text-body: #3D4F5C;
            --text-muted: #7A8A96;
            --border: #E2E0DA;
            --shadow: rgba(0, 0, 0, 0.06);
            --shadow-hover: rgba(0, 0, 0, 0.12);
            --radius-card: 16px;
            --radius-sm: 12px;
            --radius-full: 9999px;
            --max-width: 1280px;
            --nav-height: 64px;
            --transition: 0.3s ease;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
        }
        input,
        textarea {
            font-family: inherit;
            outline: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-heading);
            font-weight: 700;
            line-height: 1.3;
        }
        ul {
            list-style: none;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        @media (min-width: 768px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            z-index: 1000;
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1rem;
        }
        @media (min-width: 768px) {
            .nav-inner {
                padding: 0 2rem;
            }
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            flex-shrink: 0;
        }
        .nav-logo i {
            font-size: 1.5rem;
            color: var(--accent);
        }
        .nav-logo span {
            color: var(--text-heading);
        }
        .nav-channels {
            display: none;
            align-items: center;
            gap: 0.25rem;
        }
        @media (min-width: 1024px) {
            .nav-channels {
                display: flex;
            }
        }
        .nav-channels a {
            padding: 0.5rem 1rem;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            position: relative;
        }
        .nav-channels a:hover {
            color: var(--primary);
            background: rgba(13, 107, 110, 0.06);
        }
        .nav-channels a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-channels a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 1rem;
            right: 1rem;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .nav-search {
            display: none;
            align-items: center;
            background: var(--bg);
            border: 2px solid var(--border);
            border-radius: var(--radius-full);
            padding: 0.35rem 0.75rem 0.35rem 1rem;
            transition: border-color var(--transition);
        }
        @media (min-width: 768px) {
            .nav-search {
                display: flex;
            }
        }
        .nav-search input {
            border: none;
            background: transparent;
            padding: 0.25rem 0;
            font-size: 0.9rem;
            width: 140px;
            color: var(--text-body);
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
        }
        .nav-search input:focus {
            outline: none;
        }
        .nav-search:focus-within {
            border-color: var(--primary);
        }
        .nav-search button {
            color: var(--text-muted);
            padding: 0.25rem 0.25rem 0.25rem 0.5rem;
            transition: color var(--transition);
        }
        .nav-search button:hover {
            color: var(--primary);
        }
        .nav-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.5rem 1.25rem;
            font-size: 0.9rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all 0.2s ease;
            background: var(--accent);
            color: #fff;
            box-shadow: 0 2px 8px rgba(244, 140, 45, 0.3);
        }
        .nav-btn:hover {
            background: var(--accent-dark);
            transform: scale(0.97);
        }
        .nav-btn i {
            font-size: 0.85rem;
        }
        .nav-text-btn {
            display: none;
            padding: 0.4rem 0.8rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }
        @media (min-width: 640px) {
            .nav-text-btn {
                display: inline-block;
            }
        }
        .nav-text-btn:hover {
            color: var(--primary);
            background: rgba(13, 107, 110, 0.06);
        }
        /* 汉堡菜单 */
        .hamburger {
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 40px;
            height: 40px;
            cursor: pointer;
            border-radius: 8px;
            transition: background var(--transition);
        }
        .hamburger:hover {
            background: rgba(0, 0, 0, 0.04);
        }
        @media (min-width: 1024px) {
            .hamburger {
                display: none;
            }
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-heading);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .hamburger span+span {
            margin-top: 5px;
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        /* 移动端菜单面板 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(10px);
            padding: 1.5rem 1rem;
            z-index: 999;
            overflow-y: auto;
            animation: fadeDown 0.3s ease;
        }
        .mobile-menu.open {
            display: block;
        }
        @keyframes fadeDown {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .mobile-menu a {
            display: block;
            padding: 0.9rem 1rem;
            font-size: 1.1rem;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            border-bottom: 1px solid var(--border);
        }
        .mobile-menu a:last-child {
            border-bottom: none;
        }
        .mobile-menu a:hover {
            background: rgba(13, 107, 110, 0.06);
            color: var(--primary);
        }
        .mobile-menu a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .mobile-menu .mobile-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 2px solid var(--border);
            border-radius: var(--radius-full);
            padding: 0.5rem 1rem;
            margin-bottom: 1rem;
        }
        .mobile-menu .mobile-search input {
            border: none;
            background: transparent;
            flex: 1;
            font-size: 1rem;
            color: var(--text-body);
        }
        .mobile-menu .mobile-search input::placeholder {
            color: var(--text-muted);
        }
        .mobile-menu .mobile-search button {
            color: var(--text-muted);
            padding-left: 0.5rem;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 90vh;
            display: flex;
            align-items: center;
            padding-top: var(--nav-height);
            background: linear-gradient(135deg, #0D6B6E 0%, #1A8A8E 40%, #F48C2D 100%);
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            opacity: 0.20;
            mix-blend-mode: overlay;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 107, 110, 0.85) 0%, rgba(13, 107, 110, 0.40) 60%, rgba(244, 140, 45, 0.30) 100%);
        }
        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            align-items: center;
            padding-top: 2rem;
            padding-bottom: 4rem;
        }
        @media (min-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr 1fr;
                gap: 3rem;
            }
        }
        .hero-content {
            color: #fff;
        }
        .hero-content h1 {
            font-size: 2.5rem;
            color: #fff;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        @media (min-width: 768px) {
            .hero-content h1 {
                font-size: 3.25rem;
            }
        }
        .hero-content .subtitle {
            font-size: 1.2rem;
            line-height: 1.6;
            margin-bottom: 1.5rem;
            opacity: 0.92;
            font-weight: 400;
        }
        @media (min-width: 768px) {
            .hero-content .subtitle {
                font-size: 1.35rem;
            }
        }
        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-bottom: 2rem;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            background: rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(4px);
            padding: 0.4rem 1rem;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 500;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.20);
        }
        .hero-badge i {
            font-size: 0.75rem;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }
        .hero-actions .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 2.2rem;
            font-size: 1.05rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            background: var(--accent);
            color: #fff;
            border: 2px solid var(--accent);
            transition: all 0.2s ease;
            box-shadow: 0 4px 16px rgba(244, 140, 45, 0.35);
        }
        .hero-actions .btn-primary:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            transform: scale(0.97);
        }
        .hero-actions .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 2.2rem;
            font-size: 1.05rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.6);
            transition: all 0.2s ease;
        }
        .hero-actions .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
        }
        .hero-image {
            display: none;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
        }
        @media (min-width: 1024px) {
            .hero-image {
                display: block;
            }
        }
        .hero-image img {
            width: 100%;
            height: 400px;
            object-fit: cover;
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 4rem 0;
        }
        @media (min-width: 768px) {
            .section {
                padding: 5rem 0;
            }
        }
        .section-title {
            text-align: center;
            margin-bottom: 3rem;
        }
        .section-title h2 {
            font-size: 2rem;
            margin-bottom: 0.5rem;
        }
        @media (min-width: 768px) {
            .section-title h2 {
                font-size: 2.25rem;
            }
        }
        .section-title p {
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
            font-size: 1.05rem;
        }
        .section-title .title-accent {
            color: var(--accent);
        }

        /* ===== 对比表格 ===== */
        .compare-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-card);
            box-shadow: 0 4px 20px var(--shadow);
            background: var(--bg-card);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 640px;
        }
        .compare-table th {
            padding: 1.25rem 1.5rem;
            text-align: left;
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-heading);
            background: #F0F5F3;
            border-bottom: 2px solid var(--border);
        }
        .compare-table th:first-child {
            border-radius: var(--radius-card) 0 0 0;
        }
        .compare-table th:last-child {
            border-radius: 0 var(--radius-card) 0 0;
        }
        .compare-table td {
            padding: 1.1rem 1.5rem;
            border-bottom: 1px solid var(--border);
            font-size: 0.95rem;
            vertical-align: middle;
        }
        .compare-table tr:last-child td {
            border-bottom: none;
        }
        .compare-table tr:hover td {
            background: #F9F8F5;
        }
        .compare-table .badge-price {
            display: inline-flex;
            align-items: center;
            background: rgba(244, 140, 45, 0.15);
            color: var(--accent-dark);
            font-size: 0.8rem;
            font-weight: 700;
            border-radius: var(--radius-full);
            padding: 0.2rem 0.8rem;
        }
        .compare-table .check-icon {
            color: var(--primary);
            font-size: 1.1rem;
        }
        .compare-table .cross-icon {
            color: var(--text-muted);
            font-size: 1.1rem;
        }
        .table-footnote {
            text-align: right;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 0.5rem;
            padding-right: 0.5rem;
        }

        /* ===== 等级亮点卡片 ===== */
        .tier-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }
        @media (min-width: 640px) {
            .tier-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .tier-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .tier-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 2rem 1.5rem;
            box-shadow: 0 4px 16px var(--shadow);
            transition: all var(--transition);
            border-top: 4px solid var(--primary);
            position: relative;
            overflow: hidden;
        }
        .tier-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 40px var(--shadow-hover);
        }
        .tier-card .tier-icon {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            color: var(--accent);
        }
        .tier-card h3 {
            font-size: 1.3rem;
            margin-bottom: 0.5rem;
        }
        .tier-card .tier-desc {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 1.25rem;
            line-height: 1.6;
        }
        .tier-card .tier-badge {
            display: inline-flex;
            align-items: center;
            background: rgba(244, 140, 45, 0.15);
            color: var(--accent-dark);
            font-size: 0.8rem;
            font-weight: 700;
            border-radius: var(--radius-full);
            padding: 0.3rem 1rem;
            margin-bottom: 1rem;
        }
        .tier-card .tier-link {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            transition: gap var(--transition);
        }
        .tier-card .tier-link:hover {
            gap: 0.6rem;
            color: var(--primary-light);
        }

        /* ===== 横向滑动卡片 ===== */
        .scroll-cards {
            display: flex;
            gap: 1.25rem;
            overflow-x: auto;
            padding-bottom: 1rem;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }
        .scroll-cards::-webkit-scrollbar {
            height: 6px;
        }
        .scroll-cards::-webkit-scrollbar-track {
            background: var(--border);
            border-radius: 4px;
        }
        .scroll-cards::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 4px;
        }
        .scroll-card {
            flex: 0 0 280px;
            background: var(--bg-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: 0 4px 16px var(--shadow);
            transition: all var(--transition);
            scroll-snap-align: start;
        }
        .scroll-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 10px 32px var(--shadow-hover);
        }
        .scroll-card .card-img {
            position: relative;
            height: 160px;
            overflow: hidden;
        }
        .scroll-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .scroll-card:hover .card-img img {
            transform: scale(1.06);
        }
        .scroll-card .card-img .card-tag {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            background: rgba(244, 140, 45, 0.9);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 0.2rem 0.7rem;
            border-radius: var(--radius-full);
            backdrop-filter: blur(4px);
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .scroll-card .card-img .card-lock {
            position: absolute;
            bottom: 0.75rem;
            right: 0.75rem;
            background: rgba(0, 0, 0, 0.55);
            color: #fff;
            font-size: 0.75rem;
            padding: 0.25rem 0.6rem;
            border-radius: var(--radius-sm);
            backdrop-filter: blur(4px);
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .scroll-card .card-body {
            padding: 1rem 1.25rem 1.25rem;
        }
        .scroll-card .card-body h4 {
            font-size: 1rem;
            margin-bottom: 0.4rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .scroll-card .card-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.5;
        }

        /* ===== FAQ手风琴 ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            background: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: 0 4px 20px var(--shadow);
            overflow: hidden;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.25rem 1.5rem;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-heading);
            cursor: pointer;
            transition: all var(--transition);
            background: transparent;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            background: #F9F8F5;
            color: var(--primary);
        }
        .faq-question i {
            transition: transform var(--transition);
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-item.open .faq-question {
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 1.5rem;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.5rem 1.25rem;
        }
        .faq-answer p {
            color: var(--text-body);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #F48C2D 0%, #D9771E 100%);
            padding: 4rem 0;
            text-align: center;
            color: #fff;
        }
        @media (min-width: 768px) {
            .cta-section {
                padding: 5rem 0;
            }
        }
        .cta-section h2 {
            font-size: 2rem;
            color: #fff;
            margin-bottom: 0.75rem;
        }
        @media (min-width: 768px) {
            .cta-section h2 {
                font-size: 2.5rem;
            }
        }
        .cta-section .cta-sub {
            font-size: 1.1rem;
            opacity: 0.9;
            margin-bottom: 2rem;
        }
        .cta-section .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 1rem 2.8rem;
            font-size: 1.2rem;
            font-weight: 700;
            border-radius: var(--radius-sm);
            background: #fff;
            color: var(--accent-dark);
            transition: all 0.2s ease;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .cta-section .cta-btn:hover {
            background: #f5f5f5;
            transform: scale(0.97);
        }
        .cta-section .cta-note {
            font-size: 0.85rem;
            opacity: 0.75;
            margin-top: 1rem;
        }

        /* ===== CMS资讯列表 ===== */
        .news-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1rem;
        }
        @media (min-width: 640px) {
            .news-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .news-list {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .news-card {
            display: flex;
            gap: 1rem;
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 1rem;
            box-shadow: 0 2px 12px var(--shadow);
            transition: all var(--transition);
            align-items: flex-start;
        }
        .news-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 28px var(--shadow-hover);
        }
        .news-card .news-thumb {
            flex-shrink: 0;
            width: 80px;
            height: 80px;
            border-radius: var(--radius-sm);
            overflow: hidden;
        }
        .news-card .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-card .news-info {
            flex: 1;
            min-width: 0;
        }
        .news-card .news-info h4 {
            font-size: 0.95rem;
            margin-bottom: 0.25rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .news-info .news-summary {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0.3rem;
        }
        .news-card .news-info .news-meta {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 0.75rem;
            color: var(--text-muted);
        }
        .news-card .news-info .news-meta .news-tag {
            display: inline-flex;
            align-items: center;
            background: rgba(13, 107, 110, 0.10);
            color: var(--primary);
            padding: 0.1rem 0.5rem;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.7rem;
        }
        .news-empty {
            text-align: center;
            padding: 3rem 1rem;
            color: var(--text-muted);
            font-size: 1rem;
            background: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: 0 2px 12px var(--shadow);
        }
        .news-empty i {
            font-size: 2.5rem;
            margin-bottom: 0.75rem;
            color: var(--border);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #1C2E3A;
            color: rgba(255, 255, 255, 0.80);
            padding: 3.5rem 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1rem;
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                padding: 0 2rem;
            }
        }
        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.4fr 1fr 1fr;
            }
        }
        .footer-brand .flogo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.75rem;
        }
        .footer-brand .flogo i {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            opacity: 0.75;
            max-width: 360px;
        }
        .footer-links h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
        }
        .footer-links ul li {
            margin-bottom: 0.5rem;
        }
        .footer-links ul li a {
            font-size: 0.9rem;
            opacity: 0.75;
            transition: all var(--transition);
        }
        .footer-links ul li a:hover {
            opacity: 1;
            color: var(--accent);
        }
        .footer-social h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
        }
        .footer-social .social-icons {
            display: flex;
            gap: 0.75rem;
        }
        .footer-social .social-icons a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.1rem;
            transition: all var(--transition);
        }
        .footer-social .social-icons a:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 1.5rem 1rem;
            text-align: center;
            font-size: 0.8rem;
            opacity: 0.6;
            margin-top: 2.5rem;
        }
        @media (min-width: 768px) {
            .footer-bottom {
                padding: 1.5rem 2rem;
            }
        }

        /* ===== 辅助样式 ===== */
        .text-accent {
            color: var(--accent);
        }
        .text-primary {
            color: var(--primary);
        }
        .bg-soft-primary {
            background: rgba(13, 107, 110, 0.06);
        }
        .bg-soft-accent {
            background: rgba(244, 140, 45, 0.08);
        }
        .shadow-card {
            box-shadow: 0 4px 16px var(--shadow);
        }
        .shadow-card-hover:hover {
            box-shadow: 0 12px 40px var(--shadow-hover);
        }

        /* ===== 响应式微调 ===== */
        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.9rem;
            }
            .hero-content .subtitle {
                font-size: 1rem;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                padding: 0.7rem 1.5rem;
                font-size: 0.95rem;
                width: 100%;
                justify-content: center;
            }
            .section-title h2 {
                font-size: 1.6rem;
            }
            .tier-card {
                padding: 1.5rem 1.25rem;
            }
            .scroll-card {
                flex: 0 0 250px;
            }
            .news-card {
                flex-direction: column;
            }
            .news-card .news-thumb {
                width: 100%;
                height: 120px;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section .cta-btn {
                padding: 0.8rem 2rem;
                font-size: 1rem;
                width: 100%;
                justify-content: center;
            }
            .compare-table th,
            .compare-table td {
                padding: 0.8rem 1rem;
                font-size: 0.85rem;
            }
            .footer-grid {
                padding: 0 1rem;
            }
        }
        @media (max-width: 640px) {
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo i {
                font-size: 1.2rem;
            }
            .nav-right .nav-text-btn {
                display: none;
            }
            .nav-btn {
                padding: 0.4rem 0.9rem;
                font-size: 0.8rem;
            }
        }
        @media (min-width: 641px) and (max-width: 1023px) {
            .hero .container {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .hero-badges {
                justify-content: center;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-image {
                display: none;
            }
            .tier-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) and (max-width: 1280px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

/* roulang page: article */
:root {
            --primary: #0D6B6E;
            --accent: #F48C2D;
            --bg-paper: #F7F5F0;
            --text-heading: #1C2E3A;
            --text-body: #3D4F5C;
            --text-muted: #6B7A85;
            --border-color: #E2E0DA;
            --radius-lg: 16px;
            --radius-md: 12px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.10);
            --transition: 0.25s ease;
        }

        * {
            box-sizing: border-box;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            background: var(--bg-paper);
            color: var(--text-body);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        .container-narrow {
            max-width: 760px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 768px) {
            .container-narrow {
                padding-left: 0;
                padding-right: 0;
            }
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1rem;
            height: 100%;
        }

        @media (min-width: 768px) {
            .header-inner {
                padding: 0 2rem;
            }
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
        }

        .logo i {
            font-size: 1.5rem;
            color: var(--accent);
        }

        .nav-channels {
            display: none;
            align-items: center;
            gap: 0.25rem;
        }

        @media (min-width: 1024px) {
            .nav-channels {
                display: flex;
            }
        }

        .nav-channels a {
            padding: 0.4rem 0.9rem;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-body);
            transition: background var(--transition), color var(--transition);
        }

        .nav-channels a:hover {
            background: rgba(13, 107, 110, 0.08);
            color: var(--primary);
        }

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

        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .search-box {
            display: none;
            align-items: center;
            background: #fff;
            border: 2px solid var(--border-color);
            border-radius: 999px;
            padding: 0.3rem 0.3rem 0.3rem 1rem;
            transition: border-color var(--transition);
        }

        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(13, 107, 110, 0.15);
        }

        @media (min-width: 768px) {
            .search-box {
                display: flex;
            }
        }

        .search-box input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 0.9rem;
            color: var(--text-body);
            width: 140px;
        }

        .search-box input::placeholder {
            color: var(--text-muted);
        }

        .search-box button {
            background: transparent;
            border: none;
            color: var(--text-muted);
            padding: 0.4rem 0.8rem;
            cursor: pointer;
            border-radius: 999px;
            transition: background var(--transition), color var(--transition);
        }

        .search-box button:hover {
            background: var(--primary);
            color: #fff;
        }

        .btn-login {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-body);
            padding: 0.3rem 0.8rem;
            border-radius: 999px;
            transition: background var(--transition);
        }

        .btn-login:hover {
            background: rgba(13, 107, 110, 0.08);
            color: var(--primary);
        }

        .btn-join {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.45rem 1.2rem;
            border-radius: 999px;
            border: none;
            cursor: pointer;
            transition: background var(--transition), transform 0.15s;
        }

        .btn-join:hover {
            background: #D9771E;
            transform: scale(0.97);
        }

        .btn-join i {
            font-size: 0.8rem;
        }

        .hamburger {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 8px;
            border: none;
            background: transparent;
            color: var(--text-heading);
            font-size: 1.3rem;
            cursor: pointer;
            transition: background var(--transition);
        }

        .hamburger:hover {
            background: rgba(13, 107, 110, 0.08);
        }

        @media (min-width: 1024px) {
            .hamburger {
                display: none;
            }
        }

        /* 移动端菜单面板 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
            padding: 1rem 1.5rem 1.5rem;
            z-index: 999;
        }

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

        .mobile-menu a {
            display: block;
            padding: 0.7rem 0;
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--text-body);
            border-bottom: 1px solid var(--border-color);
        }

        .mobile-menu a:last-child {
            border-bottom: none;
        }

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

        /* ===== 页脚 ===== */
        .site-footer {
            background: #1C2E3A;
            color: rgba(255, 255, 255, 0.85);
            padding: 3rem 0 1.5rem;
        }

        .footer-grid {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1rem;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 1.2fr 1fr 1.2fr;
                padding: 0 2rem;
                gap: 3rem;
            }
        }

        .flogo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
        }

        .flogo i {
            color: var(--accent);
        }

        .footer-brand p {
            font-size: 0.95rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.7);
            max-width: 360px;
        }

        .footer-links h4,
        .footer-social h4 {
            color: #fff;
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }

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

        .footer-links li {
            margin-bottom: 0.5rem;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent);
        }

        .social-icons {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
        }

        .social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.15rem;
            transition: background var(--transition), color var(--transition), transform var(--transition);
        }

        .social-icons a:hover {
            background: var(--accent);
            color: #fff;
            transform: scale(1.08);
        }

        .footer-bottom {
            max-width: 1280px;
            margin: 2rem auto 0;
            padding: 1.2rem 1rem 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }

        @media (min-width: 768px) {
            .footer-bottom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* ===== 文章页专用 ===== */
        .article-breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.4rem;
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 1rem;
        }

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

        .article-breadcrumb a:hover {
            text-decoration: underline;
        }

        .article-breadcrumb .sep {
            color: var(--border-color);
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            align-items: center;
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 2rem;
            padding-bottom: 1.2rem;
            border-bottom: 1px solid var(--border-color);
        }

        .article-meta i {
            margin-right: 0.3rem;
            color: var(--primary);
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
        }

        .article-body {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-body);
        }

        .article-body h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            padding-bottom: 0.4rem;
            border-bottom: 2px solid var(--primary);
        }

        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-top: 2rem;
            margin-bottom: 0.8rem;
        }

        .article-body p {
            margin-bottom: 1.2rem;
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.5rem auto;
            box-shadow: var(--shadow-card);
        }

        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: #F0F5F3;
            padding: 1.2rem 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-style: italic;
            color: var(--text-heading);
        }

        .article-body ul,
        .article-body ol {
            padding-left: 1.5rem;
            margin-bottom: 1.2rem;
        }

        .article-body li {
            margin-bottom: 0.4rem;
        }

        .article-body a {
            color: var(--primary);
            text-decoration: underline;
        }

        .article-body a:hover {
            color: var(--accent);
        }

        .article-body code {
            background: #f0f0f0;
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            font-size: 0.9em;
        }

        .article-body pre {
            background: #1C2E3A;
            color: #e8e8e8;
            padding: 1.2rem 1.5rem;
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: 1.5rem 0;
            font-size: 0.9rem;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .article-body th {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            padding: 0.7rem 1rem;
            text-align: left;
        }

        .article-body td {
            padding: 0.6rem 1rem;
            border-bottom: 1px solid var(--border-color);
        }

        .article-body tr:last-child td {
            border-bottom: none;
        }

        .article-body tr:hover td {
            background: rgba(13, 107, 110, 0.04);
        }

        .related-section {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 1px solid var(--border-color);
        }

        .related-section h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 1.5rem;
        }

        .related-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.2rem;
        }

        @media (min-width: 640px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .related-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition), transform var(--transition);
        }

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

        .related-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }

        .related-card .card-body {
            padding: 1rem 1.2rem 1.2rem;
        }

        .related-card .card-body h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 0.4rem;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .card-body .date {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .not-found-box {
            text-align: center;
            padding: 4rem 2rem;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
        }

        .not-found-box i {
            font-size: 3rem;
            color: var(--text-muted);
            margin-bottom: 1rem;
        }

        .not-found-box h2 {
            font-size: 1.5rem;
            color: var(--text-heading);
            margin-bottom: 0.8rem;
        }

        .not-found-box p {
            color: var(--text-muted);
            margin-bottom: 1.5rem;
        }

        .not-found-box a {
            display: inline-block;
            padding: 0.6rem 2rem;
            background: var(--primary);
            color: #fff;
            border-radius: 999px;
            font-weight: 600;
            transition: background var(--transition);
        }

        .not-found-box a:hover {
            background: #095a5c;
        }

        @media (max-width: 639px) {
            .article-body {
                font-size: 1rem;
            }
            .article-body h2 {
                font-size: 1.35rem;
            }
            .article-body h3 {
                font-size: 1.1rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0D6B6E;
            --primary-dark: #095658;
            --primary-light: #1a8a8e;
            --secondary: #F48C2D;
            --secondary-dark: #D9771E;
            --secondary-light: #f7a85c;
            --bg: #F7F5F0;
            --bg-card: #ffffff;
            --text-dark: #1C2E3A;
            --text-body: #3D4F5C;
            --text-light: #6B7B86;
            --border: #E2E0DA;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.10);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-full: 9999px;
            --font-stack: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --transition: all 0.3s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-stack);
            background: var(--bg);
            color: var(--text-body);
            line-height: 1.7;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }
        ul {
            list-style: none;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        @media (min-width: 768px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            z-index: 1000;
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1rem;
            height: 100%;
        }
        @media (min-width: 768px) {
            .header-inner {
                padding: 0 2rem;
            }
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }
        .logo-icon {
            font-size: 1.5rem;
            color: var(--primary);
        }
        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: -0.01em;
        }
        .logo-text span {
            color: var(--primary);
        }
        .nav-channels {
            display: none;
            align-items: center;
            gap: 0.25rem;
        }
        @media (min-width: 768px) {
            .nav-channels {
                display: flex;
            }
        }
        .nav-channels a {
            padding: 0.5rem 1rem;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-body);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-channels a:hover {
            color: var(--primary);
            background: rgba(13, 107, 110, 0.06);
        }
        .nav-channels a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-channels a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 1rem;
            right: 1rem;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }
        .search-box {
            display: none;
            align-items: center;
            background: var(--bg);
            border-radius: var(--radius-full);
            padding: 0.35rem 0.75rem 0.35rem 1rem;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(13, 107, 110, 0.12);
        }
        @media (min-width: 640px) {
            .search-box {
                display: flex;
            }
        }
        .search-box input {
            background: transparent;
            border: none;
            padding: 0.3rem 0;
            font-size: 0.85rem;
            color: var(--text-body);
            width: 120px;
        }
        .search-box input::placeholder {
            color: var(--text-light);
        }
        .search-box button {
            background: transparent;
            color: var(--text-light);
            cursor: pointer;
            padding: 0.2rem 0.3rem;
            font-size: 0.85rem;
        }
        .nav-btn {
            padding: 0.45rem 1.2rem;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            border: none;
        }
        .nav-btn-primary {
            background: var(--secondary);
            color: #fff;
        }
        .nav-btn-primary:hover {
            background: var(--secondary-dark);
            transform: scale(0.97);
        }
        .nav-btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .nav-btn-outline:hover {
            background: rgba(13, 107, 110, 0.08);
        }
        .mobile-toggle {
            display: block;
            background: transparent;
            font-size: 1.4rem;
            color: var(--text-dark);
            cursor: pointer;
            padding: 0.3rem;
        }
        @media (min-width: 768px) {
            .mobile-toggle {
                display: none;
            }
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 1rem 1.5rem;
            z-index: 999;
            box-shadow: var(--shadow-md);
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu a {
            display: block;
            padding: 0.7rem 0;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-body);
            border-bottom: 1px solid var(--border);
        }
        .mobile-menu a:last-child {
            border-bottom: none;
        }
        .mobile-menu a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .page-hero {
            margin-top: 64px;
            background: linear-gradient(135deg, #0D6B6E 0%, #1a8a8e 50%, #F48C2D 100%);
            padding: 4rem 0 3rem;
            position: relative;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-hero h1 {
            font-size: 2.5rem;
            color: #fff;
            margin-bottom: 0.75rem;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
        }
        @media (min-width: 768px) {
            .page-hero h1 {
                font-size: 3.25rem;
            }
        }
        .page-hero p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.92);
            max-width: 680px;
            margin: 0 auto 1.5rem;
            line-height: 1.7;
        }
        .breadcrumb {
            display: flex;
            justify-content: center;
            gap: 0.4rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 1.2rem;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .breadcrumb span {
            color: rgba(255, 255, 255, 0.5);
        }
        .section {
            padding: 4rem 0;
        }
        @media (min-width: 768px) {
            .section {
                padding: 5rem 0;
            }
        }
        .section-title {
            text-align: center;
            margin-bottom: 2.5rem;
        }
        .section-title h2 {
            font-size: 2rem;
            color: var(--text-dark);
            margin-bottom: 0.5rem;
        }
        .section-title p {
            font-size: 1rem;
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto;
        }
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 1.5rem;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-2px);
            border-color: var(--border);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            background: rgba(244, 140, 45, 0.15);
            color: var(--secondary);
            font-size: 0.75rem;
            font-weight: 700;
            border-radius: var(--radius-full);
            padding: 0.2rem 0.85rem;
            line-height: 1.4;
        }
        .badge-green {
            background: rgba(13, 107, 110, 0.12);
            color: var(--primary);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            padding: 0.6rem 1.6rem;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--secondary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--secondary-dark);
            transform: scale(0.97);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: rgba(13, 107, 110, 0.08);
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
        }
        .btn-white:hover {
            background: var(--bg);
            transform: scale(0.97);
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media (min-width: 768px) {
            .grid-2 {
                grid-template-columns: 1fr 1fr;
            }
        }
        .grid-3 {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }
        @media (min-width: 640px) {
            .grid-3 {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (min-width: 1024px) {
            .grid-3 {
                grid-template-columns: 1fr 1fr 1fr;
            }
        }
        .grid-4 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
        }
        @media (min-width: 640px) {
            .grid-4 {
                grid-template-columns: 1fr 1fr 1fr;
            }
        }
        @media (min-width: 1024px) {
            .grid-4 {
                grid-template-columns: 1fr 1fr 1fr 1fr;
            }
        }
        .feature-card {
            text-align: center;
            padding: 2rem 1.5rem;
        }
        .feature-card .icon {
            font-size: 2.2rem;
            margin-bottom: 0.8rem;
            color: var(--primary);
        }
        .feature-card h3 {
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
        }
        .race-card {
            overflow: hidden;
            padding: 0;
            background: var(--bg-card);
        }
        .race-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }
        .race-card-body {
            padding: 1.2rem 1.5rem 1.5rem;
        }
        .race-card-body h3 {
            font-size: 1.1rem;
            margin-bottom: 0.3rem;
        }
        .race-card-body .meta {
            font-size: 0.82rem;
            color: var(--text-light);
            margin-bottom: 0.5rem;
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
        }
        .race-card-body .meta i {
            margin-right: 0.3rem;
        }
        .race-card-body .desc {
            font-size: 0.88rem;
            color: var(--text-body);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .flow-steps {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            max-width: 700px;
            margin: 0 auto;
        }
        @media (min-width: 640px) {
            .flow-steps {
                flex-direction: row;
                gap: 1rem;
            }
        }
        .flow-step {
            flex: 1;
            text-align: center;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 1.8rem 1.2rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            position: relative;
        }
        .flow-step .step-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            margin: 0 auto 0.8rem;
        }
        .flow-step h4 {
            font-size: 1.05rem;
            margin-bottom: 0.3rem;
        }
        .flow-step p {
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 0.8rem 0;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            padding: 0.5rem 0;
            font-weight: 600;
            color: var(--text-dark);
            font-size: 1rem;
            transition: var(--transition);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            transition: transform 0.3s;
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .faq-question.open i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 0.5rem;
            color: var(--text-body);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .faq-answer.open {
            max-height: 300px;
            padding: 0.5rem 0.5rem 1rem;
        }
        .cta-section {
            background: linear-gradient(135deg, #F48C2D 0%, #f7a85c 100%);
            padding: 3.5rem 0;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2rem;
            color: #fff;
            margin-bottom: 0.5rem;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 1.05rem;
            margin-bottom: 1.5rem;
        }
        .cta-section .btn-white {
            font-size: 1.05rem;
            padding: 0.75rem 2.5rem;
            border-radius: var(--radius-full);
        }
        .site-footer {
            background: #1C2E3A;
            color: rgba(255, 255, 255, 0.8);
            padding: 3rem 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr;
                padding: 0 2rem;
            }
        }
        .flogo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
        }
        .flogo i {
            color: var(--secondary);
        }
        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.7;
            max-width: 360px;
        }
        .footer-links h4,
        .footer-social h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 1rem;
            font-weight: 600;
        }
        .footer-links ul li {
            margin-bottom: 0.5rem;
        }
        .footer-links ul li a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-links ul li a:hover {
            color: var(--secondary);
        }
        .social-icons {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
        }
        .social-icons a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.7);
            font-size: 1rem;
            transition: var(--transition);
        }
        .social-icons a:hover {
            background: var(--secondary);
            color: #fff;
        }
        .footer-bottom {
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 1.5rem 1rem;
            margin-top: 2rem;
        }
        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .text-highlight {
            color: var(--secondary);
        }
        .bg-soft-green {
            background: rgba(13, 107, 110, 0.05);
        }
        .border-light {
            border: 1px solid var(--border);
        }
        .rounded-2xl {
            border-radius: var(--radius-lg);
        }
        .rounded-xl {
            border-radius: var(--radius-md);
        }
        .shadow-card {
            box-shadow: var(--shadow-md);
        }
        .shadow-card-hover:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-2px);
        }
        @media (max-width: 639px) {
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .page-hero p {
                font-size: 0.95rem;
            }
            .section-title h2 {
                font-size: 1.5rem;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .race-card img {
                height: 140px;
            }
            .stat-number {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .nav-actions .nav-btn-outline,
            .nav-actions .nav-btn-primary {
                display: none;
            }
            .header-inner {
                padding: 0 0.75rem;
            }
            .page-hero {
                min-height: 260px;
                padding: 3rem 0 2rem;
            }
            .grid-4 {
                grid-template-columns: 1fr 1fr;
            }
            .flow-steps {
                flex-direction: column;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0D6B6E;
            --primary-dark: #0A5558;
            --accent: #F48C2D;
            --accent-dark: #D9771E;
            --bg-warm: #F7F5F0;
            --text-dark: #1C2E3A;
            --text-body: #3D4F5C;
            --text-muted: #6B7B86;
            --border-light: #E2E0DA;
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-full: 9999px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.1);
            --font-stack: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-stack);
            background: var(--bg-warm);
            color: var(--text-body);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        @media (min-width: 768px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }

        /* Header / Nav */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 64px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border-light);
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        @media (min-width: 768px) {
            .header-inner {
                padding: 0 2rem;
            }
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            flex-shrink: 0;
        }
        .logo-area i {
            font-size: 1.5rem;
            color: var(--accent);
        }
        .nav-channels {
            display: none;
            align-items: center;
            gap: 0.25rem;
        }
        @media (min-width: 768px) {
            .nav-channels {
                display: flex;
            }
        }
        .nav-channels a {
            padding: 0.5rem 0.75rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-btn);
            transition: all 0.2s;
            white-space: nowrap;
        }
        .nav-channels a:hover {
            background: rgba(13, 107, 110, 0.08);
            color: var(--primary);
        }
        .nav-channels a.active {
            color: var(--primary);
            font-weight: 600;
            position: relative;
        }
        .nav-channels a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 0.75rem;
            right: 0.75rem;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }
        .search-box {
            display: none;
            align-items: center;
            background: var(--bg-warm);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-full);
            padding: 0.35rem 0.75rem;
            color: var(--text-muted);
            font-size: 0.85rem;
            transition: border-color 0.2s;
        }
        .search-box:focus-within {
            border-color: var(--primary);
        }
        .search-box input {
            background: transparent;
            border: none;
            outline: none;
            padding: 0.25rem 0.5rem;
            font-size: 0.85rem;
            color: var(--text-dark);
            width: 120px;
        }
        .search-box input::placeholder {
            color: var(--text-muted);
        }
        @media (min-width: 1024px) {
            .search-box {
                display: flex;
            }
        }
        .btn-login {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--primary);
            padding: 0.4rem 0.8rem;
            border-radius: var(--radius-btn);
            transition: background 0.2s;
        }
        .btn-login:hover {
            background: rgba(13, 107, 110, 0.08);
        }
        .btn-cta-nav {
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 0.45rem 1.2rem;
            border-radius: var(--radius-btn);
            transition: all 0.2s;
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .btn-cta-nav:hover {
            background: var(--accent-dark);
            transform: scale(0.97);
        }
        .btn-cta-nav i {
            font-size: 0.85rem;
        }
        .hamburger {
            display: flex;
            font-size: 1.5rem;
            color: var(--text-dark);
            background: none;
            border: none;
            cursor: pointer;
            padding: 0.25rem;
        }
        @media (min-width: 768px) {
            .hamburger {
                display: none;
            }
        }

        /* Mobile Menu */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            width: 100%;
            background: #fff;
            border-bottom: 2px solid var(--border-light);
            padding: 1rem 1.5rem;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
            z-index: 99;
            flex-direction: column;
            gap: 0.75rem;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            font-size: 1rem;
            font-weight: 500;
            padding: 0.5rem 0;
            color: var(--text-body);
            border-bottom: 1px solid var(--border-light);
        }
        .mobile-menu a:last-child {
            border-bottom: none;
        }
        .mobile-menu a.active {
            color: var(--primary);
            font-weight: 700;
        }

        /* Main */
        main {
            padding-top: 64px;
        }

        /* Hero */
        .cat-hero {
            background: linear-gradient(135deg, #0D6B6E 0%, #F48C2D 100%);
            padding: 4rem 0 3rem;
            position: relative;
            overflow: hidden;
            min-height: 360px;
            display: flex;
            align-items: center;
        }
        .cat-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.18;
            mix-blend-mode: overlay;
        }
        .cat-hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 2rem;
        }
        .cat-hero-text {
            flex: 1 1 50%;
            color: #fff;
        }
        .cat-hero-text h1 {
            font-size: 2.8rem;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1rem;
            letter-spacing: -0.01em;
        }
        @media (max-width: 640px) {
            .cat-hero-text h1 {
                font-size: 2rem;
            }
        }
        .cat-hero-text p {
            font-size: 1.1rem;
            opacity: 0.92;
            max-width: 580px;
            margin-bottom: 1.5rem;
        }
        .cat-hero-text .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(4px);
            border-radius: var(--radius-full);
            padding: 0.35rem 1rem;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }
        .cat-hero-text .hero-badge i {
            color: var(--accent);
        }
        .cat-hero-image {
            flex: 1 1 40%;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
            max-height: 280px;
        }
        .cat-hero-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        @media (max-width: 768px) {
            .cat-hero-image {
                display: none;
            }
            .cat-hero-text {
                flex: 1 1 100%;
                text-align: center;
            }
            .cat-hero-text p {
                margin-left: auto;
                margin-right: auto;
            }
        }

        /* Breadcrumb */
        .breadcrumb {
            padding: 1rem 0 0;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--primary);
            font-weight: 500;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            margin: 0 0.4rem;
        }

        /* Section */
        .section {
            padding: 4rem 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 3rem;
        }
        .section-title h2 {
            font-size: 2.25rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 0.75rem;
        }
        .section-title p {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto;
        }

        /* Cards Grid */
        .card-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }
        @media (min-width: 640px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .card-item {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all 0.3s;
            display: flex;
            flex-direction: column;
        }
        .card-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .card-item .card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
        }
        .card-item .card-body {
            padding: 1.25rem 1.5rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-item .card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 0.5rem;
        }
        .card-item .card-body p {
            font-size: 0.92rem;
            color: var(--text-body);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 1rem;
        }
        .card-item .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 0.75rem;
            border-top: 1px solid var(--border-light);
        }
        .card-item .tag {
            display: inline-block;
            background: rgba(13, 107, 110, 0.1);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.2rem 0.7rem;
            border-radius: var(--radius-full);
        }
        .card-item .badge-rating {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            background: rgba(244, 140, 45, 0.15);
            color: var(--accent);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.2rem 0.7rem;
            border-radius: var(--radius-full);
        }
        .card-item .badge-rating i {
            font-size: 0.7rem;
        }
        .card-item .card-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
        }
        .card-item .card-link:hover {
            text-decoration: underline;
        }

        /* Comparison Table */
        .compare-section {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            padding: 2rem;
        }
        .compare-section h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 1.5rem;
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.92rem;
        }
        .compare-table th {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            padding: 0.75rem 1rem;
            text-align: left;
        }
        .compare-table td {
            padding: 0.75rem 1rem;
            border-bottom: 1px solid var(--border-light);
            vertical-align: middle;
        }
        .compare-table tr:hover td {
            background: rgba(13, 107, 110, 0.04);
        }
        .compare-table .badge-data {
            display: inline-flex;
            align-items: center;
            background: rgba(244, 140, 45, 0.15);
            color: var(--accent);
            font-weight: 700;
            font-size: 0.8rem;
            padding: 0.2rem 0.8rem;
            border-radius: var(--radius-full);
        }
        .compare-table .icon-check {
            color: var(--primary);
            font-size: 1.1rem;
        }
        .compare-table .icon-cross {
            color: #c0392b;
            font-size: 1.1rem;
        }
        @media (max-width: 640px) {
            .compare-table {
                font-size: 0.8rem;
            }
            .compare-table th,
            .compare-table td {
                padding: 0.5rem 0.6rem;
            }
            .compare-section {
                padding: 1rem;
                overflow-x: auto;
            }
        }

        /* Process Flow */
        .flow-steps {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            justify-content: center;
            counter-reset: step;
        }
        .flow-step {
            flex: 1 1 180px;
            max-width: 220px;
            text-align: center;
            position: relative;
            counter-increment: step;
        }
        .flow-step::before {
            content: counter(step);
            display: block;
            width: 48px;
            height: 48px;
            margin: 0 auto 1rem;
            background: var(--primary);
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            border-radius: 50%;
            line-height: 48px;
            box-shadow: 0 4px 12px rgba(13, 107, 110, 0.25);
        }
        .flow-step h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 0.4rem;
        }
        .flow-step p {
            font-size: 0.88rem;
            color: var(--text-muted);
        }
        .flow-arrow {
            display: none;
            align-items: center;
            font-size: 1.5rem;
            color: var(--accent);
        }
        @media (min-width: 768px) {
            .flow-arrow {
                display: flex;
            }
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-light);
            padding: 1.25rem 0;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            transition: color 0.2s;
            user-select: none;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            transition: transform 0.3s;
            font-size: 1.1rem;
            color: var(--accent);
        }
        .faq-question.open i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s;
            padding: 0 0.5rem;
            color: var(--text-body);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-answer.open {
            max-height: 300px;
            padding-top: 0.75rem;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #F48C2D 0%, #D9771E 100%);
            padding: 3.5rem 0;
            text-align: center;
            color: #fff;
        }
        .cta-section h2 {
            font-size: 2.25rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }
        .cta-section p {
            font-size: 1.1rem;
            opacity: 0.92;
            margin-bottom: 1.5rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
        }
        .cta-btn-primary {
            background: #fff;
            color: var(--accent-dark);
            font-weight: 700;
            font-size: 1.05rem;
            padding: 0.75rem 2rem;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: all 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .cta-btn-primary:hover {
            transform: scale(0.97);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
        }
        .cta-btn-secondary {
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 0.75rem 2rem;
            border-radius: var(--radius-btn);
            border: 2px solid rgba(255, 255, 255, 0.6);
            cursor: pointer;
            transition: all 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .cta-btn-secondary:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
        }

        /* Footer */
        .site-footer {
            background: #1C2E3A;
            color: rgba(255, 255, 255, 0.85);
            padding: 3rem 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1rem 2rem;
        }
        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1.5fr;
                padding: 0 2rem 2rem;
            }
        }
        .footer-brand .flogo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.75rem;
        }
        .footer-brand .flogo i {
            color: var(--accent);
            font-size: 1.5rem;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            opacity: 0.8;
            max-width: 360px;
        }
        .footer-links h4,
        .footer-social h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
        }
        .footer-links ul {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .footer-links a {
            font-size: 0.9rem;
            opacity: 0.8;
            transition: opacity 0.2s;
        }
        .footer-links a:hover {
            opacity: 1;
            color: var(--accent);
        }
        .social-icons {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
        }
        .social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 1.1rem;
            transition: all 0.2s;
        }
        .social-icons a:hover {
            background: var(--accent);
            color: #fff;
            transform: scale(1.05);
        }
        .footer-bottom {
            text-align: center;
            font-size: 0.8rem;
            opacity: 0.6;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 1.5rem 1rem;
        }

        /* Responsive */
        @media (max-width: 640px) {
            .section-title h2 {
                font-size: 1.6rem;
            }
            .cat-hero-text h1 {
                font-size: 1.8rem;
            }
            .flow-steps {
                flex-direction: column;
                align-items: center;
            }
            .flow-step {
                max-width: 280px;
            }
            .flow-arrow {
                display: none;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
        }

/* roulang page: category3 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0D6B6E;
            --primary-dark: #0A5557;
            --secondary: #F48C2D;
            --secondary-dark: #D9771E;
            --bg-page: #F7F5F0;
            --text-heading: #1C2E3A;
            --text-body: #3D4F5C;
            --text-muted: #6B7A86;
            --border-color: #E2E0DA;
            --card-bg: #ffffff;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-full: 9999px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-page);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

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

        ul,
        ol {
            list-style: none;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            height: 64px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border-color);
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
        }

        .header-inner {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1rem;
            height: 100%;
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }

        @media (min-width: 768px) {
            .header-inner {
                padding: 0 2rem;
            }
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-heading);
            flex-shrink: 0;
        }

        .logo i {
            color: var(--secondary);
            font-size: 1.5rem;
        }

        .logo span {
            color: var(--primary);
        }

        .nav-channels {
            display: none;
            align-items: center;
            gap: 0.25rem;
            flex: 1;
            justify-content: center;
        }

        @media (min-width: 768px) {
            .nav-channels {
                display: flex;
            }
        }

        .nav-channels a {
            padding: 0.5rem 0.75rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: all 0.2s ease;
            position: relative;
            white-space: nowrap;
        }

        .nav-channels a:hover {
            color: var(--primary);
            background: rgba(13, 107, 110, 0.06);
        }

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

        .nav-channels a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0.75rem;
            right: 0.75rem;
            height: 3px;
            background: var(--primary);
            border-radius: 3px 3px 0 0;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
            margin-left: auto;
        }

        .nav-search {
            display: none;
            align-items: center;
            background: var(--bg-page);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-full);
            padding: 0.3rem 0.8rem;
            gap: 0.4rem;
            transition: border-color 0.2s ease;
        }

        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(13, 107, 110, 0.12);
        }

        .nav-search input {
            border: none;
            background: transparent;
            padding: 0.3rem 0;
            font-size: 0.85rem;
            color: var(--text-body);
            width: 120px;
        }

        .nav-search input::placeholder {
            color: var(--text-muted);
        }

        .nav-search i {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        @media (min-width: 1024px) {
            .nav-search {
                display: flex;
            }
        }

        .nav-login {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-body);
            padding: 0.3rem 0.6rem;
            border-radius: var(--radius-sm);
            transition: all 0.2s ease;
        }

        .nav-login:hover {
            color: var(--primary);
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: var(--secondary);
            color: #fff;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-full);
            transition: all 0.25s ease;
            box-shadow: 0 2px 8px rgba(244, 140, 45, 0.3);
            white-space: nowrap;
        }

        .btn-nav-cta i {
            font-size: 0.8rem;
        }

        .btn-nav-cta:hover {
            background: var(--secondary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(244, 140, 45, 0.4);
        }

        .btn-nav-cta:active {
            transform: scale(0.97);
        }

        /* 汉堡菜单 */
        .hamburger {
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 0.4rem;
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: background 0.2s ease;
        }

        .hamburger:hover {
            background: rgba(13, 107, 110, 0.06);
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2.5px;
            background: var(--text-heading);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        @media (min-width: 768px) {
            .hamburger {
                display: none;
            }
        }

        /* 移动端菜单面板 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            padding: 1rem 1.5rem 1.5rem;
            border-bottom: 1px solid var(--border-color);
            box-shadow: var(--shadow-lg);
            z-index: 49;
            max-height: calc(100vh - 64px);
            overflow-y: auto;
        }

        .mobile-menu.open {
            display: block;
            animation: slideDown 0.3s ease;
        }

        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-12px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .mobile-menu .nav-channels-mobile {
            display: flex;
            flex-direction: column;
            gap: 0.25rem;
        }

        .mobile-menu .nav-channels-mobile a {
            display: block;
            padding: 0.75rem 1rem;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: all 0.2s ease;
        }

        .mobile-menu .nav-channels-mobile a:hover {
            background: rgba(13, 107, 110, 0.06);
            color: var(--primary);
        }

        .mobile-menu .nav-channels-mobile a.active {
            color: var(--primary);
            font-weight: 700;
            background: rgba(13, 107, 110, 0.08);
        }

        .mobile-menu .nav-search-mobile {
            display: flex;
            align-items: center;
            background: var(--bg-page);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-full);
            padding: 0.6rem 1rem;
            gap: 0.5rem;
            margin-top: 0.75rem;
        }

        .mobile-menu .nav-search-mobile input {
            border: none;
            background: transparent;
            flex: 1;
            font-size: 0.9rem;
            color: var(--text-body);
        }

        .mobile-menu .nav-search-mobile input::placeholder {
            color: var(--text-muted);
        }

        .mobile-menu .nav-search-mobile i {
            color: var(--text-muted);
        }

        /* ===== Hero 区域 ===== */
        .hero-section {
            padding: 7rem 0 4rem;
            background: linear-gradient(135deg, #0D6B6E 0%, #1a8a7a 40%, #F48C2D 100%);
            position: relative;
            overflow: hidden;
            min-height: 500px;
            display: flex;
            align-items: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }

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

        .hero-content {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            align-items: center;
        }

        @media (min-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr 1fr;
            }
        }

        .hero-text {
            color: #fff;
        }

        .hero-text .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(4px);
            padding: 0.3rem 1rem;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 1.25rem;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .hero-text h1 {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1rem;
            color: #fff;
        }

        @media (min-width: 768px) {
            .hero-text h1 {
                font-size: 3.25rem;
            }
        }

        .hero-text p {
            font-size: 1.1rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 1.75rem;
            max-width: 540px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--secondary);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            padding: 0.75rem 2rem;
            border-radius: var(--radius-full);
            transition: all 0.25s ease;
            box-shadow: 0 4px 16px rgba(244, 140, 45, 0.35);
        }

        .btn-primary:hover {
            background: var(--secondary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(244, 140, 45, 0.45);
        }

        .btn-primary:active {
            transform: scale(0.97);
        }

        .btn-secondary-light {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-full);
            border: 2px solid rgba(255, 255, 255, 0.7);
            transition: all 0.25s ease;
        }

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

        .hero-image {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .hero-image img {
            width: 100%;
            max-width: 520px;
            border-radius: var(--radius-lg);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
            aspect-ratio: 16/10;
            object-fit: cover;
        }

        @media (max-width: 1023px) {
            .hero-image {
                display: none;
            }
        }

        /* ===== 通用板块 ===== */
        .section-padding {
            padding: 4rem 0;
        }

        @media (min-width: 768px) {
            .section-padding {
                padding: 5rem 0;
            }
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 0.75rem;
            line-height: 1.3;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 2.25rem;
            }
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 640px;
            margin-bottom: 2.5rem;
            line-height: 1.7;
        }

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

        .mx-auto {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 标签 / 徽章 ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            background: rgba(244, 140, 45, 0.15);
            color: var(--secondary);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.2rem 0.8rem;
            border-radius: var(--radius-full);
            white-space: nowrap;
        }

        .badge-green {
            background: rgba(13, 107, 110, 0.12);
            color: var(--primary);
        }

        .badge-white {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        /* ===== 卡片 ===== */
        .card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 1.5rem;
            transition: all 0.3s ease;
            border: 1px solid transparent;
        }

        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(13, 107, 110, 0.08);
        }

        .card-img {
            border-radius: var(--radius-md);
            aspect-ratio: 16/9;
            object-fit: cover;
            width: 100%;
            margin-bottom: 1rem;
        }

        .card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }

        .card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 1rem;
            padding-top: 0.75rem;
            border-top: 1px solid var(--border-color);
        }

        /* ===== 网格 ===== */
        .grid-3 {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        @media (min-width: 640px) {
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .grid-3 {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .grid-2 {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        @media (min-width: 768px) {
            .grid-2 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* ===== 图文交错区块 ===== */
        .alt-block {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            align-items: center;
            margin-bottom: 3rem;
        }

        @media (min-width: 768px) {
            .alt-block {
                grid-template-columns: 1fr 1fr;
                gap: 3rem;
            }
        }

        .alt-block.reverse {
            direction: rtl;
        }

        .alt-block.reverse>* {
            direction: ltr;
        }

        .alt-block img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
        }

        .alt-block h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 0.75rem;
        }

        .alt-block p {
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 1rem;
        }

        .alt-block .feature-list {
            margin-top: 0.5rem;
        }

        .alt-block .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
            margin-bottom: 0.6rem;
            font-size: 0.95rem;
            color: var(--text-body);
        }

        .alt-block .feature-list li i {
            color: var(--primary);
            margin-top: 0.2rem;
            flex-shrink: 0;
        }

        /* ===== 流程区 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
            counter-reset: step;
        }

        @media (min-width: 640px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .step-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 1.75rem 1.5rem;
            box-shadow: var(--shadow-md);
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
            counter-increment: step;
        }

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

        .step-card .step-number {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), #1a8a7a);
            color: #fff;
            font-size: 1.25rem;
            font-weight: 800;
            margin: 0 auto 1rem;
        }

        .step-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 0.4rem;
        }

        .step-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }

        @media (min-width: 640px) {
            .stats-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .stat-item {
            text-align: center;
            padding: 1.5rem 1rem;
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .stat-item .stat-number {
            font-size: 2.25rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .stat-item .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.8);
            margin-top: 0.3rem;
        }

        /* ===== 手风琴 FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-color);
            padding: 0.75rem 0;
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0.75rem 0;
            cursor: pointer;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-heading);
            transition: color 0.2s ease;
            gap: 1rem;
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question i {
            transition: transform 0.3s ease;
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 0.5rem;
            color: var(--text-body);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 0.5rem 1rem;
        }

        /* ===== CTA 区块 ===== */
        .cta-section {
            background: linear-gradient(135deg, #F48C2D 0%, #E07A1A 100%);
            padding: 4rem 0;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.1;
            mix-blend-mode: overlay;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
        }

        @media (min-width: 768px) {
            .cta-section h2 {
                font-size: 2.5rem;
            }
        }

        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.9);
            max-width: 540px;
            margin: 0 auto 1.75rem;
        }

        .cta-section .btn-cta-big {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            background: #fff;
            color: var(--secondary-dark);
            font-weight: 800;
            font-size: 1.1rem;
            padding: 0.9rem 2.5rem;
            border-radius: var(--radius-full);
            transition: all 0.25s ease;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.15);
        }

        .cta-section .btn-cta-big:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.2);
        }

        .cta-section .btn-cta-big:active {
            transform: scale(0.97);
        }

        .cta-section .cta-note {
            margin-top: 0.75rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.85rem;
            color: var(--text-muted);
            padding: 1.5rem 0 0.5rem;
            flex-wrap: wrap;
        }

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

        .breadcrumb a:hover {
            text-decoration: underline;
        }

        .breadcrumb .sep {
            color: var(--border-color);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #1C2E3A;
            color: rgba(255, 255, 255, 0.8);
            padding: 3rem 0 0;
        }

        .footer-grid {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1rem 2rem;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr;
                padding: 0 2rem 2rem;
            }
        }

        .footer-brand .flogo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.75rem;
        }

        .footer-brand .flogo i {
            color: var(--secondary);
        }

        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 360px;
        }

        .footer-links h4,
        .footer-social h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
        }

        .footer-links ul li {
            margin-bottom: 0.5rem;
        }

        .footer-links ul li a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.2s ease;
        }

        .footer-links ul li a:hover {
            color: var(--secondary);
        }

        .social-icons {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
        }

        .social-icons a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.7);
            font-size: 1rem;
            transition: all 0.25s ease;
        }

        .social-icons a:hover {
            background: var(--secondary);
            color: #fff;
            transform: translateY(-2px);
        }

        .footer-bottom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 1.25rem 1rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
        }

        @media (min-width: 768px) {
            .footer-bottom {
                padding: 1.25rem 2rem;
            }
        }

        /* ===== 响应式辅助 ===== */
        @media (max-width: 639px) {
            .section-title {
                font-size: 1.6rem;
            }

            .hero-text h1 {
                font-size: 2rem;
            }

            .hero-text p {
                font-size: 0.95rem;
            }

            .alt-block h3 {
                font-size: 1.25rem;
            }

            .stat-item .stat-number {
                font-size: 1.75rem;
            }

            .cta-section h2 {
                font-size: 1.6rem;
            }
        }

        /* ===== 工具类 ===== */
        .mt-2 {
            margin-top: 0.5rem;
        }
        .mt-4 {
            margin-top: 1rem;
        }
        .mt-6 {
            margin-top: 1.5rem;
        }
        .mt-8 {
            margin-top: 2rem;
        }
        .mb-4 {
            margin-bottom: 1rem;
        }
        .mb-6 {
            margin-bottom: 1.5rem;
        }
        .gap-4 {
            gap: 1rem;
        }
        .gap-6 {
            gap: 1.5rem;
        }
        .flex {
            display: flex;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .items-center {
            align-items: center;
        }
        .justify-center {
            justify-content: center;
        }
        .justify-between {
            justify-content: space-between;
        }
        .text-center {
            text-align: center;
        }
        .text-muted {
            color: var(--text-muted);
        }
        .text-sm {
            font-size: 0.875rem;
        }
        .text-xs {
            font-size: 0.75rem;
        }
        .font-bold {
            font-weight: 700;
        }
        .font-semibold {
            font-weight: 600;
        }
        .w-full {
            width: 100%;
        }
        .rounded-xl {
            border-radius: var(--radius-md);
        }
        .rounded-2xl {
            border-radius: var(--radius-lg);
        }
        .shadow-md {
            box-shadow: var(--shadow-md);
        }
        .bg-white {
            background: #fff;
        }
        .bg-page {
            background: var(--bg-page);
        }
        .bg-primary {
            background: var(--primary);
        }

        /* FAQ 初始展开第一个 */
        .faq-item:first-child .faq-answer {
            max-height: 400px;
            padding: 0 0.5rem 1rem;
        }

        .faq-item:first-child .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }