/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0f1c3a;
            --primary-light: #1e3a5f;
            --accent: #c9a86a;
            --accent-light: #e0b968;
            --cream: #f8f6f2;
            --ink: #1a1a2e;
            --text-muted: #6b7280;
            --text-soft: #9ca3af;
            --border: #e5e7eb;
            --radius: 18px;
            --radius-sm: 12px;
            --shadow: 0 6px 30px rgba(15, 28, 58, 0.06);
            --shadow-lg: 0 12px 40px rgba(15, 28, 58, 0.1);
            --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== 基础 Reset ===== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background-color: var(--cream);
            color: var(--ink);
            line-height: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button {
            cursor: pointer;
            background: none;
            border: none;
            font-family: inherit;
        }
        ul, ol {
            list-style: none;
        }
        input, textarea, select {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        @media (max-width: 640px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(15, 28, 58, 0.06);
            transition: var(--transition);
        }
        .site-header .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 1rem;
        }
        .logo-text {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.01em;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }
        .logo-text:hover {
            color: var(--accent);
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(15, 28, 58, 0.2);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }
        .nav-menu a {
            padding: 0.55rem 1.1rem;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 500;
            color: #4b5563;
            transition: var(--transition);
        }
        .nav-menu a:hover {
            color: var(--primary);
            background-color: rgba(15, 28, 58, 0.05);
        }
        .nav-menu a.active {
            color: var(--primary);
            font-weight: 600;
            background-color: rgba(15, 28, 58, 0.08);
        }
        .nav-menu a.active::after {
            content: '';
            display: block;
            height: 2px;
            width: 20px;
            background: var(--accent);
            margin: 0 auto;
            margin-top: 2px;
            border-radius: 2px;
        }
        .nav-cta {
            padding: 0.6rem 1.4rem;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(15, 28, 58, 0.25);
            transition: var(--transition);
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(15, 28, 58, 0.3);
            color: #fff;
        }
        .nav-cta i {
            margin-right: 0.35rem;
            font-size: 0.8rem;
        }
        .mobile-menu-btn {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--primary);
            transition: var(--transition);
        }
        .mobile-menu-btn:hover {
            background-color: rgba(15, 28, 58, 0.06);
        }
        .mobile-menu {
            display: none;
            background-color: #fff;
            border-top: none;
            padding: 1.25rem;
            box-shadow: 0 12px 30px rgba(15, 28, 58, 0.1);
        }
        .mobile-menu a {
            display: block;
            padding: 0.9rem 1rem;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--ink);
            transition: var(--transition);
        }
        .mobile-menu a:hover {
            background-color: rgba(15, 28, 58, 0.05);
        }
        .mobile-menu a.active {
            color: var(--primary);
            font-weight: 600;
            background-color: rgba(15, 28, 58, 0.07);
        }
        .mobile-menu .mobile-cta {
            display: block;
            margin-top: 0.75rem;
            text-align: center;
            padding: 0.9rem;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #fff;
            border-radius: 12px;
            font-weight: 600;
        }
        @media (max-width: 900px) {
            .nav-menu {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .mobile-menu.open {
                display: block;
            }
        }

        /* ===== Hero 区 ===== */
        .hero {
            position: relative;
            min-height: 680px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(15, 28, 58, 0.96) 0%, rgba(15, 28, 58, 0.85) 45%, rgba(15, 28, 58, 0.55) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 6rem 0;
            max-width: 720px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(201, 168, 106, 0.15);
            border: 1px solid rgba(201, 168, 106, 0.35);
            color: var(--accent-light);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.45rem 1rem;
            border-radius: 50px;
            letter-spacing: 0.05em;
        }
        .hero-badge i {
            font-size: 0.7rem;
        }
        .hero-title {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.15;
            margin-top: 1.5rem;
            letter-spacing: -0.02em;
        }
        .hero-title span {
            color: var(--accent-light);
        }
        .hero-subtitle {
            font-size: clamp(1rem, 1.6vw, 1.15rem);
            color: rgba(255, 255, 255, 0.85);
            margin-top: 1.25rem;
            line-height: 1.8;
            max-width: 580px;
        }
        .hero-buttons {
            margin-top: 2.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.85rem 2rem;
            border-radius: 14px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            gap: 0.5rem;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
            color: var(--primary);
            box-shadow: 0 4px 18px rgba(201, 168, 106, 0.4);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(201, 168, 106, 0.45);
        }
        .btn-outline-light {
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: #fff;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: rgba(255, 255, 255, 0.7);
            transform: translateY(-3px);
        }
        .hero-trust {
            margin-top: 3rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
        }
        .hero-trust-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.75);
        }
        .hero-trust-item i {
            color: var(--accent);
        }
        @media (max-width: 768px) {
            .hero {
                min-height: auto;
                padding: 4rem 0;
            }
            .hero-content {
                padding: 0;
            }
            .hero-trust {
                gap: 1rem;
            }
        }

        /* ===== 统板块间距 ===== */
        .section {
            padding: 5rem 0;
        }
        .section-sm {
            padding: 3rem 0;
        }
        .section-title {
            font-size: clamp(1.8rem, 3.4vw, 2.4rem);
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.01em;
            line-height: 1.3;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-top: 0.75rem;
            line-height: 1.8;
            max-width: 640px;
        }
        .section-head {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            margin-bottom: 3rem;
        }
        .section-head .section-desc {
            max-width: 620px;
        }
        .section-tagline {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent);
            background: rgba(201, 168, 106, 0.1);
            padding: 0.4rem 1rem;
            border-radius: 50px;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 1rem;
        }

        /* ===== 数据统计 ===== */
        .stats-bar {
            background-color: #fff;
            border-bottom: 1px solid var(--border);
            padding: 3.5rem 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
        }
        .stat-item {
            text-align: center;
            padding: 1.5rem 1rem;
            border-radius: var(--radius);
            background: var(--cream);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .stat-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-number em {
            font-style: normal;
            color: var(--accent);
        }
        .stat-label {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-top: 0.4rem;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
        }
        @media (max-width: 480px) {
            .stat-number {
                font-size: 1.8rem;
            }
        }

        /* ===== 核心服务卡片 ===== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.75rem;
        }
        .service-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 2rem 1.8rem;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--accent-light));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.5s ease;
        }
        .service-card .icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(15, 28, 58, 0.08), rgba(15, 28, 58, 0.02));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 1.25rem;
            transition: var(--transition);
        }
        .service-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.6rem;
        }
        .service-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .service-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            margin-top: 1.25rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--primary);
            opacity: 0;
            transform: translateY(6px);
            transition: var(--transition);
        }
        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .service-card:hover::before {
            transform: scaleX(1);
        }
        .service-card:hover .card-link {
            opacity: 1;
            transform: translateY(0);
        }
        .service-card:hover .icon-wrap {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: var(--accent-light);
        }
        @media (max-width: 1024px) {
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .service-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 平台特色 ===== */
        .features-section {
            background: var(--primary);
            background-image: linear-gradient(135deg, #0f1c3a 0%, #16294d 100%);
            color: #fff;
            overflow: hidden;
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2.5rem;
            align-items: center;
        }
        .features-visual {
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
            position: relative;
        }
        .features-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }
        .features-content h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 1.25rem;
        }
        .features-content p {
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.8;
            margin-bottom: 2rem;
        }
        .feature-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            margin-bottom: 2rem;
        }
        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.5;
        }
        .feature-list li i {
            color: var(--accent-light);
            margin-top: 0.2rem;
            font-size: 0.9rem;
        }
        @media (max-width: 900px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
            .feature-list {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 分类入口 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.75rem;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .category-card .cat-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .category-card .cat-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .category-card:hover .cat-img img {
            transform: scale(1.03);
        }
        .category-card .cat-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 28, 58, 0.5), transparent);
        }
        .category-card .cat-body {
            padding: 1.75rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .category-card .cat-tag {
            display: inline-flex;
            align-self: flex-start;
            background: rgba(201, 168, 106, 0.15);
            color: var(--accent);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.35rem 0.9rem;
            border-radius: 50px;
            margin-bottom: 0.75rem;
        }
        .category-card h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }
        .category-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
        }
        .category-card .cat-link {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 600;
            color: var(--primary);
            margin-top: 1.25rem;
            transition: var(--transition);
        }
        .category-card .cat-link i {
            transition: transform 0.3s ease;
            font-size: 0.8rem;
        }
        .category-card:hover .cat-link {
            color: var(--accent);
        }
        .category-card:hover .cat-link i {
            transform: translateX(4px);
        }
        @media (max-width: 900px) {
            .category-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 资讯列表 ===== */
        .news-section {
            background-color: #fff;
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.75rem;
        }
        .news-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 1.75rem;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .news-card .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 1rem;
        }
        .news-card .cat-badge {
            background: rgba(15, 28, 58, 0.06);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.3rem 0.85rem;
            border-radius: 50px;
        }
        .news-card .news-date {
            font-size: 0.78rem;
            color: var(--text-soft);
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .news-card .news-date i {
            font-size: 0.7rem;
        }
        .news-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.5;
            margin-bottom: 0.75rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 3.15rem;
            transition: var(--transition);
        }
        .news-card:hover h3 {
            color: var(--primary);
        }
        .news-card .news-desc {
            font-size: 0.87rem;
            color: var(--text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 1.25rem;
            flex: 1;
        }
        .news-card .news-more {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            transition: var(--transition);
        }
        .news-card .news-more i {
            font-size: 0.7rem;
            transition: transform 0.3s ease;
        }
        .news-card:hover .news-more i {
            transform: translateX(4px);
        }
        .news-empty {
            padding: 3rem 2rem;
            text-align: center;
            color: var(--text-muted);
            background: var(--cream);
            border-radius: var(--radius);
            border: 1px dashed var(--border);
        }
        @media (max-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 流程 ===== */
        .process-section {
            background: var(--cream);
        }
        .process-steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 1.5rem;
            counter-reset: step;
        }
        .process-step {
            text-align: center;
            position: relative;
            padding: 2rem 1rem 1rem;
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .process-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
        }
        .process-step .step-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: var(--primary);
            font-weight: 800;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            box-shadow: 0 4px 12px rgba(201, 168, 106, 0.3);
        }
        .process-step h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.4rem;
        }
        .process-step p {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .process-arrow {
            position: absolute;
            top: 50%;
            right: -0.9rem;
            transform: translateY(-50%);
            color: var(--accent);
            font-size: 0.8rem;
            z-index: 2;
        }
        @media (max-width: 1024px) {
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-arrow {
                display: none;
            }
        }
        @media (max-width: 640px) {
            .process-steps {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background-color: #fff;
        }
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 0.75rem;
            background: #fff;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(201, 168, 106, 0.4);
            box-shadow: 0 4px 16px rgba(15, 28, 58, 0.04);
        }
        .faq-item summary {
            padding: 1.25rem 1.5rem;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--ink);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            list-style: none;
            position: relative;
            transition: var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(15, 28, 58, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            color: var(--primary);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item summary:hover .faq-icon {
            background: var(--accent);
            color: #fff;
        }
        .faq-item[open] summary {
            color: var(--primary);
        }
        .faq-item[open] summary .faq-icon {
            background: var(--accent);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-item .faq-answer {
            padding: 0 1.5rem 1.25rem;
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.8;
            border-top: 1px solid var(--border);
            margin-top: 0.25rem;
            padding-top: 1rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #16294d 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(201, 168, 106, 0.08);
        }
        .cta-inner {
            text-align: center;
            padding: 5rem 0;
            position: relative;
            z-index: 2;
        }
        .cta-inner h2 {
            font-size: clamp(1.8rem, 4vw, 2.4rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 1rem;
        }
        .cta-inner p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            max-width: 540px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }
        .cta-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0b1426;
            color: rgba(255, 255, 255, 0.65);
            padding: 4rem 0 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 3rem;
            margin-bottom: 3rem;
        }
        .footer-brand .logo-text {
            color: #fff;
        }
        .footer-brand .logo-text .logo-icon {
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: var(--primary);
        }
        .footer-brand p {
            font-size: 0.92rem;
            line-height: 1.8;
            margin-top: 1rem;
            max-width: 360px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1.25rem;
        }
        .footer-col ul li {
            margin-bottom: 0.6rem;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.92rem;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            font-size: 0.82rem;
        }
        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 装饰分隔 ===== */
        .divider-line {
            width: 48px;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--accent-light));
            border-radius: 3px;
            margin: 1rem auto 0;
        }

        /* ===== 焦点与可访问性 ===== */
        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 6px;
        }
        a,
        button,
        summary {
            -webkit-tap-highlight-color: transparent;
        }

        /* ===== 动画 ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-up {
            animation: fadeInUp 0.7s ease both;
        }
        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }

/* roulang page: category1 */
:root {
            --brand: #1b4d8f;
            --brand-light: #2e6baf;
            --accent: #e8b64c;
            --soft: #f5f8fc;
            --ink: #1c2635;
            --subtle: #566b84;
            --border: #e2e8f0;
            --radius: 16px;
            --shadow-sm: 0 2px 12px rgba(27, 77, 143, 0.08);
            --shadow-md: 0 8px 30px rgba(27, 77, 143, 0.12);
            --shadow-lg: 0 16px 48px rgba(27, 77, 143, 0.16);
            --space-section: 96px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            margin: 0;
            font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            line-height: 1.6;
            color: var(--ink);
            background: #fff;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button,
        input,
        select,
        textarea {
            font: inherit;
            color: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(27, 77, 143, 0.08);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 20px rgba(27, 77, 143, 0.05);
        }
        .header-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }
        .logo-text {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 22px;
            font-weight: 800;
            color: var(--brand);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--brand), var(--brand-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            box-shadow: 0 4px 12px rgba(27, 77, 143, 0.28);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-menu a {
            padding: 10px 20px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--subtle);
            transition: all 0.25s ease;
        }
        .nav-menu a:hover {
            color: var(--brand);
            background: var(--soft);
        }
        .nav-menu a.active {
            background: var(--brand);
            color: #fff;
            box-shadow: 0 4px 14px rgba(27, 77, 143, 0.24);
        }
        .header-cta {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .header-cta .badge-live {
            background: #fff3dc;
            color: #b47a10;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            border: 1px solid #f0dcaa;
        }
        .header-cta .badge-live::before {
            content: '';
            width: 6px;
            height: 6px;
            background: #e8b64c;
            border-radius: 50%;
            display: inline-block;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--brand);
            color: #fff;
            padding: 11px 24px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 15px;
            transition: all 0.25s ease;
            box-shadow: 0 4px 16px rgba(27, 77, 143, 0.22);
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: var(--brand-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(27, 77, 143, 0.28);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--brand);
            padding: 11px 24px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 15px;
            border: 2px solid var(--brand);
            transition: all 0.25s ease;
            cursor: pointer;
        }
        .btn-outline:hover {
            background: var(--brand);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--brand);
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
        }
        .nav-toggle:hover {
            background: var(--soft);
        }
        @media (max-width: 768px) {
            .header-wrap {
                height: 64px;
            }
            .header-cta .badge-live {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                box-shadow: 0 12px 40px rgba(27, 77, 143, 0.12);
                border-bottom: 1px solid var(--border);
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 14px 16px;
                border-radius: 12px;
                width: 100%;
            }
            .nav-menu a.active {
                background: var(--soft);
                color: var(--brand);
                box-shadow: none;
            }
            .btn-primary {
                padding: 10px 18px;
                font-size: 14px;
            }
        }
        .section {
            padding: var(--space-section) 0;
        }
        .section-tight {
            padding: 64px 0;
        }
        .section-title {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--ink);
            margin: 0 0 12px;
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 17px;
            color: var(--subtle);
            line-height: 1.7;
            max-width: 680px;
            margin: 0 0 40px;
        }
        .text-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        .text-center {
            text-align: center;
        }
        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(27, 77, 143, 0.08);
            color: var(--brand);
            font-size: 14px;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: 999px;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .eyebrow i {
            font-size: 14px;
        }
        .card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(27, 77, 143, 0.2);
        }
        .card-body {
            padding: 28px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            background: var(--soft);
            color: var(--brand);
        }
        .badge-warning {
            background: #fff6e3;
            color: #b47a10;
        }
        .badge-success {
            background: #e7f6ed;
            color: #1a7f4d;
        }
        .stat-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 28px 24px;
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .stat-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--brand), var(--accent));
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .stat-card:hover::after {
            opacity: 1;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: 14px;
            margin-bottom: 14px;
            background: #fff;
            overflow: hidden;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .faq-item:hover,
        .faq-item.active {
            border-color: rgba(27, 77, 143, 0.3);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 22px 24px;
            font-weight: 600;
            font-size: 16px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            color: var(--ink);
        }
        .faq-question .icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--brand);
            transition: all 0.3s ease;
        }
        .faq-item.active .faq-question .icon {
            background: var(--brand);
            color: #fff;
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            color: var(--subtle);
            line-height: 1.7;
            font-size: 15px;
        }
        .faq-item.active .faq-answer {
            padding: 0 24px 22px;
            max-height: 300px;
        }
        .site-footer {
            background: #101a2c;
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 0;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            margin: 16px 0 0;
            color: rgba(255, 255, 255, 0.6);
            max-width: 340px;
        }
        .footer-brand .logo-text {
            color: #fff;
            margin-bottom: 8px;
        }
        .footer-brand .logo-icon {
            background: linear-gradient(135deg, #2e6baf, #4a8cd6);
        }
        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin: 0 0 20px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 12px;
            font-size: 14px;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }
        .footer-col ul li i {
            color: var(--accent);
            margin-top: 4px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.25s ease;
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
            .section {
                --space-section: 64px;
            }
            .section-title {
                font-size: 28px;
            }
            .section-subtitle {
                font-size: 16px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }
            .section-title {
                font-size: 25px;
            }
            .card-body {
                padding: 22px;
            }
        }
        .hero-banner {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 120px 0 100px;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(16, 26, 44, 0.92) 0%, rgba(16, 26, 44, 0.78) 40%, rgba(16, 26, 44, 0.45) 80%, rgba(16, 26, 44, 0.3) 100%);
        }
        .hero-banner .container {
            position: relative;
            z-index: 1;
        }
        .guide-card {
            background: #fff;
            border-radius: 18px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 30px 28px;
            transition: all 0.3s ease;
            display: block;
            height: 100%;
        }
        .guide-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-5px);
            border-color: rgba(27, 77, 143, 0.25);
        }
        .guide-card .icon-box {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(27, 77, 143, 0.12), rgba(27, 77, 143, 0.06));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--brand);
            margin-bottom: 18px;
        }
        .guide-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--ink);
        }
        .guide-card p {
            font-size: 14px;
            color: var(--subtle);
            line-height: 1.6;
            margin: 0 0 16px;
        }
        .guide-card .guide-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--subtle);
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }
        .step-card {
            text-align: center;
            padding: 32px 20px;
            position: relative;
        }
        .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--brand), var(--brand-light));
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            box-shadow: 0 6px 20px rgba(27, 77, 143, 0.25);
        }
        .step-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .step-grid::before {
            content: '';
            position: absolute;
            top: 42px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: linear-gradient(90deg, var(--soft), var(--brand) 50%, var(--soft));
            z-index: 0;
        }
        .step-grid .step-card {
            position: relative;
            z-index: 1;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
        }
        @media (max-width: 1024px) {
            .step-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .step-grid::before {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .step-grid {
                grid-template-columns: 1fr;
            }
        }
        .cta-banner {
            background: linear-gradient(120deg, var(--brand) 0%, #2b5fa8 100%);
            border-radius: 24px;
            padding: 48px 48px;
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: 10%;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
        }
        .cta-banner h2 {
            color: #fff;
            font-size: 32px;
            font-weight: 800;
            margin: 0 0 8px;
            line-height: 1.3;
        }
        .cta-banner p {
            color: rgba(255, 255, 255, 0.85);
            margin: 0;
            font-size: 16px;
        }
        .cta-banner .btn-white {
            background: #fff;
            color: var(--brand);
            padding: 14px 36px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 16px;
            transition: all 0.25s ease;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
            white-space: nowrap;
        }
        .cta-banner .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
        }
        @media (max-width: 768px) {
            .cta-banner {
                padding: 32px 24px;
                flex-direction: column;
                text-align: center;
            }
            .cta-banner h2 {
                font-size: 26px;
            }
        }
        .search-box {
            display: flex;
            align-items: center;
            gap: 12px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 6px 8px 6px 20px;
            box-shadow: var(--shadow-sm);
            max-width: 560px;
            margin: 0 auto;
            transition: box-shadow 0.3s ease, border-color 0.3s ease;
        }
        .search-box:focus-within {
            border-color: rgba(27, 77, 143, 0.4);
            box-shadow: var(--shadow-md);
        }
        .search-box input {
            flex: 1;
            border: none;
            outline: none;
            font-size: 15px;
            background: transparent;
            color: var(--ink);
            min-width: 0;
        }
        .search-box button {
            background: var(--brand);
            border: none;
            color: #fff;
            border-radius: 999px;
            padding: 10px 24px;
            font-weight: 600;
            font-size: 14px;
            cursor: pointer;
            transition: background 0.25s ease;
            white-space: nowrap;
        }
        .search-box button:hover {
            background: var(--brand-light);
        }
        .notice-bar {
            background: #f0f5fc;
            border-radius: 14px;
            padding: 14px 20px;
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: var(--subtle);
            border: 1px solid rgba(27, 77, 143, 0.08);
        }
        .notice-bar i {
            color: var(--brand);
            flex-shrink: 0;
        }

/* roulang page: article */
:root {
            --brand-50: #f0f5fa;
            --brand-100: #dce8f2;
            --brand-700: #1e3a5f;
            --brand-800: #152a46;
            --accent-400: #e0c07a;
            --accent-500: #d4a853;
            --accent-600: #b8903f;
            --text-main: #1f2937;
            --text-muted: #6b7280;
            --bg-body: #f7f8fa;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,.06);
            --shadow-card: 0 4px 20px rgba(0,0,0,.06);
            --shadow-hover: 0 12px 32px rgba(0,0,0,.10);
            --transition: all .25s ease;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
            background-color: var(--bg-body);
            color: var(--text-main);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            transition: var(--transition);
        }
        button {
            font-family: inherit;
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            width: 100%;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        @media (min-width: 768px) {
            .container {
                max-width: 768px;
            }
        }
        @media (min-width: 1024px) {
            .container {
                max-width: 1024px;
            }
        }
        @media (min-width: 1280px) {
            .container {
                max-width: 1280px;
            }
        }

        .site-header {
            background: rgba(255, 255, 255, .95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 0, 0, .05);
            box-shadow: 0 2px 16px rgba(0, 0, 0, .04);
        }
        .logo-text {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--brand-700);
            letter-spacing: -.02em;
            display: inline-flex;
            align-items: center;
            gap: .6rem;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--brand-700);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(30, 58, 95, .25);
            transition: var(--transition);
        }
        .logo-text:hover .logo-icon {
            background: var(--brand-700);
            transform: translateY(-2px);
        }
        .nav-link {
            position: relative;
            font-weight: 500;
            color: #4b5563;
            font-size: .95rem;
            padding: .5rem 0;
            letter-spacing: .02em;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: var(--brand-700);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .3s ease;
        }
        .nav-link:hover {
            color: var(--brand-700);
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            transform: scaleX(1);
        }
        .nav-link.active {
            color: var(--brand-700);
            font-weight: 600;
        }
        .mobile-toggle {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: #f3f4f6;
            color: var(--text-main);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            border: none;
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            background: var(--brand-50);
            color: var(--brand-700);
        }
        .mobile-menu {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }
        .mobile-menu.open {
            max-height: 340px;
        }
        .mobile-nav-link {
            display: block;
            padding: .75rem 1rem;
            font-weight: 500;
            color: var(--text-main);
            border-radius: 10px;
            font-size: .95rem;
        }
        .mobile-nav-link:hover,
        .mobile-nav-link.active {
            background: var(--brand-50);
            color: var(--brand-700);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            background: var(--brand-700);
            color: #fff;
            padding: .65rem 1.5rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: .9rem;
            box-shadow: 0 4px 14px rgba(30, 58, 95, .25);
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .btn-primary:hover {
            background: var(--brand-700);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(30, 58, 95, .30);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(30, 58, 95, .20);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            background: transparent;
            color: var(--brand-700);
            padding: .6rem 1.4rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: .88rem;
            border: 1.5px solid var(--brand-700);
            transition: var(--transition);
        }
        .btn-outline:hover {
            background: var(--brand-50);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(30, 58, 95, .12);
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            background: var(--accent-500);
            color: #fff;
            padding: .75rem 1.75rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: .95rem;
            box-shadow: 0 4px 16px rgba(212, 168, 83, .35);
            transition: var(--transition);
            border: none;
        }
        .btn-accent:hover {
            background: var(--accent-600);
            transform: translateY(-2px);
            color: #fff;
            box-shadow: 0 8px 24px rgba(212, 168, 83, .45);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            background: rgba(255, 255, 255, .12);
            color: #fff;
            padding: .75rem 1.75rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: .95rem;
            border: 1.5px solid rgba(255, 255, 255, .45);
            backdrop-filter: blur(4px);
            transition: var(--transition);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .22);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-block {
            display: block;
            width: 100%;
            text-align: center;
            margin-top: 1rem;
            font-size: .85rem;
            font-weight: 600;
            color: var(--brand-700);
            transition: var(--transition);
        }
        .btn-block:hover {
            color: var(--brand-700);
        }

        .badge-soft {
            display: inline-flex;
            align-items: center;
            gap: .25rem;
            background: var(--brand-50);
            color: var(--brand-700);
            font-size: .78rem;
            font-weight: 600;
            padding: .35rem .9rem;
            border-radius: 50px;
            border: 1px solid var(--brand-100);
        }
        .badge-hero {
            display: inline-flex;
            align-items: center;
            gap: .35rem;
            background: rgba(255, 255, 255, .15);
            color: #fff;
            padding: .4rem 1.1rem;
            border-radius: 50px;
            font-size: .82rem;
            font-weight: 600;
            border: 1px solid rgba(255, 255, 255, .25);
            backdrop-filter: blur(4px);
        }
        .tag-badge {
            display: inline-flex;
            align-items: center;
            gap: .3rem;
            background: #f3f4f6;
            color: #4b5563;
            font-size: .8rem;
            font-weight: 500;
            padding: .35rem .8rem;
            border-radius: 50px;
            transition: var(--transition);
        }
        .tag-badge:hover {
            background: var(--brand-50);
            color: var(--brand-700);
        }

        .section-tag {
            display: inline-block;
            font-size: .8rem;
            font-weight: 700;
            letter-spacing: .1em;
            color: var(--accent-600);
            text-transform: uppercase;
            background: rgba(212, 168, 83, .1);
            padding: .3rem .95rem;
            border-radius: 50px;
            margin-bottom: .75rem;
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--brand-800);
            line-height: 1.3;
            margin-bottom: .5rem;
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: .5rem;
            font-size: .85rem;
            color: rgba(255, 255, 255, .75);
            margin-bottom: 1.2rem;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, .85);
        }
        .breadcrumb a:hover {
            color: var(--accent-400);
        }
        .breadcrumb .sep {
            opacity: .5;
            font-size: .7rem;
        }
        .breadcrumb .current {
            color: var(--accent-400);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 200px;
        }

        .content-html {
            font-size: 1.05rem;
            line-height: 1.9;
            color: #334155;
            word-break: break-word;
        }
        .content-html p {
            margin-bottom: 1.25rem;
        }
        .content-html h2 {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--brand-800);
            margin: 2rem 0 1rem;
            padding-left: .75rem;
            border-left: 4px solid var(--accent-500);
            line-height: 1.4;
        }
        .content-html h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--brand-800);
            margin: 1.5rem 0 .75rem;
        }
        .content-html h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--brand-800);
            margin: 1.25rem 0 .5rem;
        }
        .content-html ul {
            margin: 0 0 1.25rem;
            padding-left: 1.5rem;
            list-style: disc;
        }
        .content-html ol {
            margin: 0 0 1.25rem;
            padding-left: 1.5rem;
            list-style: decimal;
        }
        .content-html li {
            margin-bottom: .5rem;
        }
        .content-html a {
            color: var(--brand-700);
            text-decoration: underline;
            text-underline-offset: 3px;
            text-decoration-color: rgba(30, 58, 95, .3);
        }
        .content-html a:hover {
            color: var(--brand-700);
            text-decoration-color: var(--brand-700);
        }
        .content-html img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
            box-shadow: var(--shadow-card);
        }
        .content-html blockquote {
            border-left: 3px solid var(--accent-500);
            background: #faf8f3;
            padding: 1rem 1.25rem;
            margin: 1.5rem 0;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            color: var(--text-muted);
        }
        .content-html table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: .95rem;
        }
        .content-html th,
        .content-html td {
            border: 1px solid #e5e7eb;
            padding: .65rem .9rem;
            text-align: left;
        }
        .content-html th {
            background: var(--brand-50);
            font-weight: 600;
            color: var(--brand-800);
        }

        .sidebar-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--brand-800);
            margin-bottom: 1rem;
            padding-bottom: .6rem;
            border-bottom: 2px solid var(--brand-50);
        }
        .info-list {
            display: flex;
            flex-direction: column;
            gap: .85rem;
        }
        .info-list li {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: .55rem .75rem;
            background: #f9fafb;
            border-radius: var(--radius-md);
            font-size: .88rem;
        }
        .info-list .label {
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: .35rem;
        }
        .info-list .value {
            font-weight: 600;
            color: var(--text-main);
        }
        .side-list {
            display: flex;
            flex-direction: column;
            gap: .1rem;
        }
        .side-list li {
            border-bottom: 1px dashed #e5e7eb;
        }
        .side-list a {
            display: flex;
            align-items: center;
            gap: .5rem;
            padding: .65rem 0;
            color: #4b5563;
            font-size: .9rem;
            transition: var(--transition);
        }
        .side-list a i {
            color: var(--accent-500);
            font-size: .75rem;
        }
        .side-list a:hover {
            color: var(--brand-700);
            padding-left: .4rem;
        }

        .related-card {
            display: block;
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            border: 1px solid rgba(0, 0, 0, .04);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(30, 58, 95, .08);
        }
        .related-card img {
            transition: transform .4s ease;
        }
        .related-card:hover img {
            transform: scale(1.03);
        }
        .related-card h3 {
            font-weight: 700;
            color: var(--brand-800);
            font-size: 1rem;
            margin: .5rem 0 .35rem;
            line-height: 1.4;
        }
        .related-card p {
            font-size: .85rem;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(0, 0, 0, .04);
            transition: var(--transition);
            overflow: hidden;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-card);
        }
        .faq-item.open {
            box-shadow: var(--shadow-card);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.1rem 1.4rem;
            background: transparent;
            border: none;
            font-size: .98rem;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
            transition: var(--transition);
        }
        .faq-question i {
            color: var(--accent-500);
            transition: transform .3s ease;
            font-size: .85rem;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-question:hover {
            color: var(--brand-700);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
        }
        .faq-answer-inner {
            padding: 1rem 1.4rem 1.2rem;
            border-top: 1px solid #f5f5f5;
            color: var(--text-muted);
            font-size: .92rem;
            line-height: 1.8;
        }

        .site-footer {
            background: #0d1c30;
            color: rgba(255, 255, 255, .75);
            padding: 4rem 0 0;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
            padding-bottom: 3rem;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }
        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 1.4fr 1fr 1fr;
            }
        }
        .footer-brand .logo-text {
            color: #fff;
            margin-bottom: 1rem;
        }
        .footer-brand .logo-icon {
            background: rgba(255, 255, 255, .1);
            color: var(--accent-400);
        }
        .footer-brand p {
            font-size: .9rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, .6);
            max-width: 320px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1.2rem;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: .6rem;
        }
        .footer-col a {
            color: rgba(255, 255, 255, .65);
            font-size: .9rem;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent-400);
            padding-left: .25rem;
        }
        .footer-col li {
            font-size: .9rem;
            color: rgba(255, 255, 255, .65);
            display: flex;
            align-items: center;
            gap: .5rem;
        }
        .footer-col li i {
            color: var(--accent-500);
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: space-between;
            gap: .75rem;
            padding: 1.6rem 0;
            font-size: .82rem;
            color: rgba(255, 255, 255, .45);
        }
        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
            }
        }

        .article-hero {
            position: relative;
            overflow: hidden;
        }
        .article-hero .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
        }
        .article-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 28, 48, .82), rgba(30, 58, 95, .72), rgba(13, 28, 48, .88));
        }

        .share-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #f3f4f6;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: .95rem;
            transition: var(--transition);
        }
        .share-btn:hover {
            background: var(--brand-50);
            color: var(--brand-700);
        }

        :focus-visible {
            outline: 2px solid var(--accent-500);
            outline-offset: 2px;
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0f766e;
            --primary-light: #14b8a6;
            --primary-dark: #0f5552;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --bg-light: #f8fafc;
            --bg-white: #ffffff;
            --bg-dark: #0f172a;
            --bg-dark-light: #1e293b;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border-subtle: #e2e8f0;
            --radius-lg: 1rem;
            --radius-md: 0.75rem;
            --radius-sm: 0.5rem;
            --shadow-main: 0 4px 24px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 10px 36px rgba(0, 0, 0, 0.12);
            --shadow-teal: 0 6px 24px rgba(15, 118, 110, 0.22);
            --transition: all 0.3s ease;
        }

        /* ===== 基本重置 ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            background: var(--bg-light);
            color: var(--text-main);
            line-height: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }
        ul {
            list-style: none;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 头部导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.7);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            gap: 20px;
        }
        .logo-text {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.375rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.5px;
            white-space: nowrap;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, #0f766e, #14b8a6);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.05rem;
            box-shadow: 0 4px 14px rgba(15, 118, 110, 0.3);
            flex-shrink: 0;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-menu a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--text-muted);
            border-radius: 50px;
            position: relative;
            transition: var(--transition);
        }
        .nav-menu a:hover {
            color: var(--primary);
            background: rgba(15, 118, 110, 0.06);
        }
        .nav-menu a.active {
            color: var(--primary);
            font-weight: 600;
            background: rgba(15, 118, 110, 0.1);
        }
        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 4px;
            background: var(--primary);
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 50px;
            background: var(--primary);
            color: #fff !important;
            font-weight: 600;
            font-size: 0.875rem;
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(15, 118, 110, 0.25);
            transition: var(--transition);
        }
        .btn-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(15, 118, 110, 0.35);
        }
        .btn-cta:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(15, 118, 110, 0.2);
        }
        .menu-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            font-size: 1.25rem;
            color: var(--text-main);
            background: var(--bg-light);
            transition: var(--transition);
        }
        .menu-toggle:hover {
            background: rgba(15, 118, 110, 0.1);
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }
            .nav-menu {
                position: absolute;
                top: 76px;
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                background: #fff;
                border-bottom: 1px solid var(--border-subtle);
                box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
                padding: 16px;
                display: none;
                z-index: 999;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 14px 20px;
                border-radius: 10px;
                font-size: 1rem;
            }
            .nav-menu a.active {
                background: rgba(15, 118, 110, 0.1);
            }
            .nav-menu a.active::after {
                display: none;
            }
            .btn-cta {
                display: none;
            }
        }

        /* ===== Hero 区域 ===== */
        .hero {
            position: relative;
            min-height: 480px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(15, 23, 42, 0.92) 0%, rgba(15, 118, 110, 0.72) 60%, rgba(15, 118, 110, 0.45) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0;
            max-width: 720px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-size: 0.8125rem;
            font-weight: 500;
            backdrop-filter: blur(8px);
            margin-bottom: 20px;
        }
        .hero-badge i {
            color: var(--accent);
        }
        .hero h1 {
            font-size: clamp(2rem, 5vw, 3.375rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: -1px;
        }
        .hero p {
            font-size: clamp(0.9375rem, 1.5vw, 1.125rem);
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 50px;
            background: #fff;
            color: var(--primary-dark) !important;
            font-weight: 700;
            font-size: 0.9375rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            transition: var(--transition);
        }
        .btn-primary-hero:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
        }
        .btn-outline-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 50px;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
            color: #fff !important;
            font-weight: 600;
            font-size: 0.9375rem;
            transition: var(--transition);
        }
        .btn-outline-hero:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: #fff;
        }
        .section-heading {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 56px;
        }
        .section-heading .tag-line {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 50px;
            background: rgba(15, 118, 110, 0.08);
            color: var(--primary);
            font-size: 0.8125rem;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .section-heading h2 {
            font-size: clamp(1.625rem, 3vw, 2.375rem);
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.5px;
            line-height: 1.25;
            margin-bottom: 12px;
        }
        .section-heading p {
            color: var(--text-muted);
            font-size: 0.9375rem;
            line-height: 1.7;
        }

        /* ===== 精选动态卡片 ===== */
        .featured-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr;
            gap: 24px;
        }
        .featured-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 360px;
            display: block;
            box-shadow: var(--shadow-main);
            transition: var(--transition);
        }
        .featured-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .featured-card .card-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .featured-card:hover .card-img {
            transform: scale(1.06);
        }
        .featured-card .card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.02) 40%, rgba(15, 23, 42, 0.88) 100%);
            display: flex;
            align-items: flex-end;
            padding: 32px;
        }
        .featured-card .card-content {
            color: #fff;
            width: 100%;
        }
        .featured-card .card-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 50px;
            background: rgba(245, 158, 11, 0.9);
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .featured-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .featured-card p {
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.6;
            max-width: 90%;
        }
        .featured-card:first-child {
            min-height: 420px;
        }
        .featured-card:first-child h3 {
            font-size: 1.625rem;
        }

        @media (max-width: 1024px) {
            .featured-grid {
                grid-template-columns: 1fr 1fr;
            }
            .featured-card:first-child {
                grid-column: span 2;
                min-height: 360px;
            }
        }
        @media (max-width: 640px) {
            .featured-grid {
                grid-template-columns: 1fr;
            }
            .featured-card:first-child {
                grid-column: span 1;
            }
            .featured-card {
                min-height: 280px;
            }
        }

        /* ===== 最新资讯列表 ===== */
        .news-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .news-item {
            display: flex;
            flex-direction: column;
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(226, 232, 240, 0.6);
            box-shadow: var(--shadow-main);
            transition: var(--transition);
        }
        .news-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(15, 118, 110, 0.2);
        }
        .news-thumb {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #e2e8f0;
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .news-item:hover .news-thumb img {
            transform: scale(1.05);
        }
        .news-content {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 10px;
        }
        .news-tag {
            padding: 4px 14px;
            border-radius: 50px;
            background: rgba(15, 118, 110, 0.08);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 600;
        }
        .news-date {
            font-size: 0.8125rem;
            color: var(--text-light);
        }
        .news-content h3 {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 10px;
            transition: var(--transition);
        }
        .news-item:hover .news-content h3 {
            color: var(--primary);
        }
        .news-content p {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.65;
            flex: 1;
            margin-bottom: 16px;
        }
        .news-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--primary);
            transition: var(--transition);
        }
        .news-link:hover {
            gap: 12px;
            color: var(--primary-dark);
        }

        @media (max-width: 768px) {
            .news-list {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 品牌数据 ===== */
        .stats-section {
            background: var(--bg-dark);
            background-image: linear-gradient(rgba(15, 118, 110, 0.12), rgba(15, 23, 42, 0.6)), url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            padding: 80px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }
        .stat-item {
            padding: 40px 24px;
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            transition: var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            line-height: 1;
            margin-bottom: 8px;
        }
        .stat-number span {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--accent);
        }
        .stat-label {
            font-size: 0.9375rem;
            color: rgba(255, 255, 255, 0.7);
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-number {
                font-size: 2.2rem;
            }
        }

        /* ===== 品牌历程时间线 ===== */
        .timeline {
            position: relative;
            padding: 20px 0;
            max-width: 720px;
            margin: 0 auto;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 19px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--primary-light), var(--primary), rgba(245, 158, 11, 0.6));
        }
        .timeline-item {
            position: relative;
            padding-left: 56px;
            margin-bottom: 40px;
        }
        .timeline-item:last-child {
            margin-bottom: 0;
        }
        .timeline-dot {
            position: absolute;
            left: 0;
            top: 4px;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #fff;
            border: 3px solid var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 0.875rem;
            box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.1);
        }
        .timeline-item:nth-child(2) .timeline-dot {
            border-color: var(--accent);
            color: var(--accent);
            box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.1);
        }
        .timeline-item:nth-child(3) .timeline-dot {
            border-color: var(--primary-light);
            color: var(--primary-light);
        }
        .timeline-item:nth-child(4) .timeline-dot {
            border-color: #8b5cf6;
            color: #8b5cf6;
            box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.1);
        }
        .timeline-content {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-main);
            transition: var(--transition);
        }
        .timeline-content:hover {
            box-shadow: var(--shadow-hover);
            transform: translateX(4px);
        }
        .timeline-content .time {
            font-size: 0.8125rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 6px;
        }
        .timeline-content h3 {
            font-size: 1.0625rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .timeline-content p {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* ===== 媒体关注 ===== */
        .media-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .media-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-main);
            text-align: center;
            transition: var(--transition);
        }
        .media-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .media-card .quote-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(15, 118, 110, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            color: var(--primary);
            font-size: 1.25rem;
        }
        .media-card blockquote {
            font-size: 1rem;
            color: var(--text-main);
            line-height: 1.7;
            margin-bottom: 16px;
            font-weight: 500;
        }
        .media-card footer {
            font-size: 0.8125rem;
            color: var(--text-muted);
        }
        .media-card footer strong {
            color: var(--primary);
        }
        @media (max-width: 768px) {
            .media-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ 折叠 ===== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(15, 118, 110, 0.3);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.9375rem;
            color: var(--text-main);
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(15, 118, 110, 0.08);
            color: var(--primary);
            font-size: 0.75rem;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.7;
            border-top: 1px solid rgba(226, 232, 240, 0.5);
            padding-top: 14px;
        }

        /* ===== CTA 区域 ===== */
        .cta-section {
            position: relative;
            background: linear-gradient(135deg, #0f766e 0%, #0f5552 50%, #134e4a 100%);
            padding: 72px 0;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60%;
            left: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: clamp(1.625rem, 3vw, 2.375rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-inner p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.0625rem;
            margin-bottom: 32px;
        }
        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-cta-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: 50px;
            background: #fff;
            color: var(--primary-dark) !important;
            font-weight: 700;
            font-size: 0.9375rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
            transition: var(--transition);
        }
        .btn-cta-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
        }
        .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: 50px;
            border: 1.5px solid rgba(255, 255, 255, 0.4);
            color: #fff !important;
            font-weight: 600;
            font-size: 0.9375rem;
            transition: var(--transition);
        }
        .btn-cta-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: #94a3b8;
            padding: 64px 0 0;
        }
        .site-footer .container {
            max-width: 1200px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .logo-text {
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 0.875rem;
            line-height: 1.7;
            color: #94a3b8;
            max-width: 360px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 20px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
            font-size: 0.875rem;
        }
        .footer-col ul li a {
            color: #94a3b8;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
        }
        .footer-col ul li i {
            margin-right: 8px;
            color: var(--primary-light);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 0;
            font-size: 0.8125rem;
            color: #64748b;
            flex-wrap: wrap;
            gap: 8px;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        .me-2 {
            margin-right: 0.5rem;
        }

        /* ===== 内容分页 ===== */
        .pagination {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 48px;
            flex-wrap: wrap;
        }
        .pagination a,
        .pagination .page-current {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 42px;
            height: 42px;
            padding: 0 14px;
            border-radius: 12px;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-muted);
            background: #fff;
            border: 1px solid var(--border-subtle);
            transition: var(--transition);
        }
        .pagination a:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: 0 2px 12px rgba(15, 118, 110, 0.12);
        }
        .pagination .page-current {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ===== 响应式细节 ===== */
        @media (max-width: 640px) {
            .section {
                padding: 56px 0;
            }
            .section-heading {
                margin-bottom: 36px;
            }
            .hero {
                min-height: 380px;
            }
            .hero-content {
                padding: 56px 0;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary-hero,
            .btn-outline-hero {
                justify-content: center;
            }
            .timeline-content {
                padding: 18px;
            }
        }

        /* ===== 无障碍焦点 ===== */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(15, 118, 110, 0.4);
            outline-offset: 2px;
        }