/* roulang page: index */
/* 自定义设计变量与基础补充 */
        :root {
            --primary: #0F7B4E;
            --primary-dark: #0A5E3B;
            --accent: #F7B731;
            --text-main: #1E2328;
            --text-soft: #5C6B7A;
            --bg-light: #F8FAF9;
            --border: #E2E8F0;
            --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
            --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
            --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
            --radius-lg: 1rem;
        }
        body {
            font-family: 'Inter', system-ui, -apple-system, sans-serif;
            color: var(--text-main);
            background-color: #ffffff;
            -webkit-font-smoothing: antialiased;
        }
        .container-custom {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        /* 导航频道样式 */
        .channel-nav a.active {
            color: var(--primary);
            border-bottom: 2px solid var(--primary);
            font-weight: 600;
        }
        .channel-nav a:hover {
            color: var(--primary);
        }
        /* 按钮组件 */
        .btn-primary {
            background-color: var(--primary);
            color: white;
            border-radius: 9999px;
            padding: 0.75rem 2rem;
            font-weight: 600;
            transition: all 0.2s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 14px 0 rgba(15,123,78,0.25);
        }
        .btn-primary:hover {
            background-color: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px 0 rgba(15,123,78,0.4);
        }
        .btn-outline {
            border: 2px solid var(--primary);
            color: var(--primary);
            border-radius: 9999px;
            padding: 0.65rem 1.8rem;
            font-weight: 600;
            transition: all 0.2s;
        }
        .btn-outline:hover {
            background-color: var(--primary);
            color: white;
        }
        /* 卡片悬停效果 */
        .card-hover {
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        /* 移动端菜单 */
        .mobile-menu-enter {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        .mobile-menu-enter.open {
            max-height: 500px;
        }
        @media (max-width: 768px) {
            .channel-nav-scroll {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                white-space: nowrap;
                padding-bottom: 4px;
            }
        }

/* roulang page: article */
:root {
            --primary: #0F7B4E;
            --primary-dark: #0A5E3B;
            --accent: #F7B731;
            --text-main: #1A202C;
            --text-soft: #4A5568;
            --bg-light: #F7F9FC;
        }
        * {
            box-sizing: border-box;
        }
        body {
            margin: 0;
            font-family: 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            color: var(--text-main);
            background: #ffffff;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        .container-custom {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        @media (max-width: 640px) {
            .container-custom {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }
        /* 导航动画 */
        .mobile-menu-enter {
            transition: all 0.3s ease;
            max-height: 500px;
            overflow: hidden;
        }
        .mobile-menu-hidden {
            max-height: 0;
        }
        /* 文章内容排版 */
        .article-content {
            font-size: 1.125rem;
            line-height: 1.8;
            color: #2D3748;
        }
        .article-content h2 {
            font-size: 1.75rem;
            font-weight: 700;
            margin-top: 2rem;
            margin-bottom: 1rem;
            color: #1A202C;
            scroll-margin-top: 5rem;
        }
        .article-content h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin-top: 1.75rem;
            margin-bottom: 0.75rem;
            color: #2D3748;
        }
        .article-content p {
            margin-bottom: 1.25rem;
        }
        .article-content ul, .article-content ol {
            margin-bottom: 1.25rem;
            padding-left: 1.5rem;
        }
        .article-content li {
            margin-bottom: 0.5rem;
        }
        .article-content img {
            border-radius: 1rem;
            box-shadow: 0 10px 25px -5px rgba(0,0,0,0.08);
            margin: 2rem 0;
        }
        .article-content blockquote {
            border-left: 4px solid var(--primary);
            padding: 1rem 1.5rem;
            margin: 2rem 0;
            background: #F0FDF4;
            border-radius: 0 0.75rem 0.75rem 0;
            color: #22543D;
            font-style: italic;
        }
        /* 面包屑 */
        .breadcrumb a {
            transition: color 0.2s;
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.75rem 2rem;
            background: var(--primary);
            color: white;
            font-weight: 600;
            border-radius: 9999px;
            transition: all 0.2s;
            box-shadow: 0 4px 12px rgba(15,123,78,0.3);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 18px rgba(15,123,78,0.4);
            transform: translateY(-2px);
        }

/* roulang page: category1 */
/* ========== 设计变量补充 ========== */
        :root {
            --primary: #0F7B4E;
            --primary-dark: #0A5E3B;
            --primary-light: #E6F4ED;
            --secondary: #F7B731;
            --accent: #2D9CDB;
            --text-main: #1A1D21;
            --text-soft: #5C6370;
            --text-muted: #8E95A2;
            --bg-page: #FBFCFD;
            --bg-card: #FFFFFF;
            --border-light: #E8ECF1;
            --border-medium: #D5DAE0;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.03);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.07), 0 2px 5px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.09), 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.11), 0 8px 20px rgba(0, 0, 0, 0.05);
            --transition-fast: 160ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 240ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 360ms cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ========== 基础 Reset 补充 ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

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

        body {
            font-family: "Inter", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            color: var(--text-main);
            background-color: var(--bg-page);
            margin: 0;
            padding: 0;
            min-height: 100vh;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

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

        /* ========== 容器 ========== */
        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 640px) {
            .container-custom {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* ========== 导航增强 ========== */
        .nav-link {
            position: relative;
            white-space: nowrap;
            transition: all var(--transition-fast);
            border-radius: 9999px;
        }

        .nav-link:hover {
            background-color: #f3f4f6;
            color: var(--primary);
        }

        .nav-link.active {
            background-color: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }

        /* ========== 移动端菜单动画 ========== */
        .mobile-menu-enter {
            animation: slideDown 280ms cubic-bezier(0.4, 0, 0.2, 1) forwards;
        }

        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-8px);
                max-height: 0;
            }
            to {
                opacity: 1;
                transform: translateY(0);
                max-height: 400px;
            }
        }

        /* ========== 卡片增强 ========== */
        .card-article {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-xl);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-xs);
        }

        .card-article:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: #d1d9e0;
        }

        .card-article .card-img-wrapper {
            overflow: hidden;
            position: relative;
            aspect-ratio: 16 / 10;
            background-color: #f0f3f6;
        }

        .card-article .card-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

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

        /* ========== 分类卡片增强 ========== */
        .category-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-xl);
            padding: 1.5rem;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-xs);
            cursor: pointer;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 0.75rem;
        }

        .category-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--primary);
            background: #FAFDFB;
        }

        .category-card .cat-icon-circle {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            flex-shrink: 0;
            transition: all var(--transition-base);
        }

        .category-card:hover .cat-icon-circle {
            transform: scale(1.08);
            box-shadow: 0 0 20px rgba(15, 123, 78, 0.18);
        }

        /* ========== Banner 背景叠加 ========== */
        .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg,
                    rgba(15, 123, 78, 0.88) 0%,
                    rgba(10, 94, 59, 0.82) 40%,
                    rgba(6, 50, 35, 0.75) 100%);
            z-index: 1;
        }

        .banner-content {
            position: relative;
            z-index: 2;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-link {
            color: var(--text-soft);
            transition: color var(--transition-fast);
        }

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

        /* ========== FAQ 增强 ========== */
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-card);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-xs);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: #d1d9e0;
        }

        .faq-question {
            cursor: pointer;
            padding: 1.25rem 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: var(--text-main);
            user-select: none;
            transition: background var(--transition-fast);
            gap: 1rem;
        }

        .faq-question:hover {
            background: #f8faf9;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 1.5rem;
            color: var(--text-soft);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.5rem 1.25rem;
        }

        .faq-item.open .faq-question {
            color: var(--primary);
            background: #FAFDFB;
        }

        .faq-toggle-icon {
            transition: transform var(--transition-base);
            flex-shrink: 0;
            color: var(--text-muted);
        }

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

        /* ========== CTA 区域 ========== */
        .cta-section {
            background: linear-gradient(135deg, #0A5E3B 0%, #0F7B4E 50%, #0C6340 100%);
            border-radius: var(--radius-xl);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30px;
            left: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }

        /* ========== 步骤时间线 ========== */
        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: 0 4px 14px rgba(15, 123, 78, 0.2);
        }

        /* ========== 响应式微调 ========== */
        @media (max-width: 768px) {
            .category-card {
                padding: 1.25rem;
            }

            .faq-question {
                padding: 1rem 1.25rem;
                font-size: 0.95rem;
            }

            .faq-answer {
                padding: 0 1.25rem;
            }

            .faq-item.open .faq-answer {
                padding: 0 1.25rem 1rem;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding-left: 0.875rem;
                padding-right: 0.875rem;
            }

            .card-article .card-img-wrapper {
                aspect-ratio: 16 / 11;
            }

            .step-number {
                width: 36px;
                height: 36px;
                font-size: 0.95rem;
            }
        }

        /* ========== 焦点可见性 ========== */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ========== 滚动条美化 ========== */
        ::-webkit-scrollbar {
            width: 6px;
        }

        ::-webkit-scrollbar-track {
            background: transparent;
        }

        ::-webkit-scrollbar-thumb {
            background: #c8cdd4;
            border-radius: 3px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: #a0a7b0;
        }

        /* ========== 标签动画 ========== */
        .tag-badge {
            display: inline-block;
            padding: 0.25rem 0.7rem;
            border-radius: 9999px;
            font-size: 0.78rem;
            font-weight: 500;
            letter-spacing: 0.01em;
            transition: all var(--transition-fast);
        }

        .tag-badge:hover {
            transform: translateY(-1px);
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
        }

/* roulang page: category2 */
:root {
            --primary: #0F7B4E;
            --primary-dark: #0A5E3B;
            --primary-light: #E8F5EE;
            --accent: #F7B731;
            --accent-dark: #E5A620;
            --text-main: #212529;
            --text-secondary: #495057;
            --text-muted: #6C757D;
            --bg-light: #F8F9FA;
            --border-light: #E9ECEF;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
            --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
            --shadow-xl: 0 16px 40px rgba(0,0,0,0.15);
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            line-height: 1.7;
            color: var(--text-main);
            background-color: #ffffff;
            min-height: 100vh;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        .mobile-menu-enter {
            display: none;
        }

        .mobile-menu-enter.active {
            display: block;
            animation: slideDown 0.25s ease-out;
        }

        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-fade-in-up {
            animation: fadeInUp 0.6s ease-out forwards;
        }

        .card-hover {
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.7rem 1.6rem;
            background-color: var(--primary);
            color: #ffffff;
            border: none;
            border-radius: 9999px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all 0.2s ease;
            cursor: pointer;
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background-color: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(15,123,78,0.35);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(15,123,78,0.25);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.65rem 1.5rem;
            background-color: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            border-radius: 9999px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all 0.2s ease;
            cursor: pointer;
            text-decoration: none;
            white-space: nowrap;
        }

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

        .badge-accent {
            display: inline-block;
            padding: 0.25rem 0.75rem;
            background-color: #FFF8E1;
            color: #D4A017;
            border-radius: 9999px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .badge-primary {
            display: inline-block;
            padding: 0.25rem 0.75rem;
            background-color: var(--primary-light);
            color: var(--primary);
            border-radius: 9999px;
            font-size: 0.78rem;
            font-weight: 600;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 0.5rem;
            letter-spacing: -0.01em;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 2rem;
            }
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 2.5rem;
            line-height: 1.6;
        }

        @media (min-width: 768px) {
            .section-subtitle {
                font-size: 1.05rem;
            }
        }

        .category-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            min-height: 360px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,29,32,0.85) 0%, rgba(15,123,78,0.7) 60%, rgba(10,94,59,0.8) 100%);
            z-index: 1;
        }

        .category-hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .stat-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all 0.25s ease;
        }

        .stat-card:hover {
            box-shadow: var(--shadow-md);
            border-color: #d0d5dd;
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            line-height: 1.1;
        }

        .article-card {
            background: #ffffff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all 0.3s ease;
        }

        .article-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
            border-color: #d0d5dd;
        }

        .article-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

        @media (min-width: 768px) {
            .article-card-img {
                height: 220px;
            }
        }

        .faq-item {
            border-bottom: 1px solid var(--border-light);
            padding: 1.25rem 0;
            transition: all 0.2s ease;
        }

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

        .faq-question {
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-main);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            user-select: none;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding-top 0.35s ease;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 0.75rem;
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
        }

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

        .cta-section {
            background: linear-gradient(135deg, #0A5E3B 0%, #0F7B4E 40%, #0D6B42 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .highlight-card {
            background: #ffffff;
            border-radius: var(--radius-xl);
            padding: 1.5rem;
            border-left: 4px solid var(--accent);
            box-shadow: var(--shadow-sm);
            transition: all 0.25s ease;
        }

        .highlight-card:hover {
            box-shadow: var(--shadow-md);
            border-left-color: var(--accent-dark);
        }

        @media (max-width: 1024px) {
            .category-hero {
                min-height: 280px;
            }
            .stat-number {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .category-hero {
                min-height: 240px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .stat-number {
                font-size: 1.75rem;
            }
            .article-card-img {
                height: 180px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding-left: 0.75rem;
                padding-right: 0.75rem;
            }
            .category-hero {
                min-height: 200px;
            }
            .stat-card {
                padding: 1rem;
            }
            .stat-number {
                font-size: 1.5rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0F7B4E;
            --primary-dark: #0A5E3B;
            --primary-light: #E8F5EF;
            --accent: #F7B731;
            --text-main: #1a1a1a;
            --text-muted: #666666;
            --text-weak: #999999;
            --bg-warm: #FAFAF7;
            --border-soft: #E8E8E4;
            --radius-lg: 0.75rem;
            --radius-xl: 1rem;
            --radius-2xl: 1.25rem;
            --shadow-card: 0 1px 3px rgba(0,0,0,0.06), 0 4px 12px rgba(0,0,0,0.04);
            --shadow-card-hover: 0 2px 8px rgba(0,0,0,0.10), 0 8px 24px rgba(0,0,0,0.06);
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            color: #1a1a1a;
            background-color: #FAFAF7;
            min-height: 100vh;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 640px) {
            .container-custom {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        #mobile-menu {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1), padding 0.35s ease;
            padding-top: 0;
            padding-bottom: 0;
        }

        #mobile-menu.open {
            max-height: 400px;
        }

        #mobile-menu .container-custom {
            padding-top: 0.75rem;
            padding-bottom: 0.75rem;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.7rem 1.75rem;
            background-color: #0F7B4E;
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: 9999px;
            border: none;
            cursor: pointer;
            transition: all 0.25s ease;
            box-shadow: 0 2px 8px rgba(15,123,78,0.25);
            text-decoration: none;
        }

        .btn-primary:hover {
            background-color: #0A5E3B;
            box-shadow: 0 4px 16px rgba(15,123,78,0.35);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 1px 4px rgba(15,123,78,0.2);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.65rem 1.75rem;
            background-color: transparent;
            color: #0F7B4E;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: 9999px;
            border: 2px solid #0F7B4E;
            cursor: pointer;
            transition: all 0.25s ease;
            text-decoration: none;
        }

        .btn-outline:hover {
            background-color: #E8F5EF;
            border-color: #0A5E3B;
            color: #0A5E3B;
        }

        .card-article {
            background: #fff;
            border-radius: 1rem;
            overflow: hidden;
            box-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 4px 12px rgba(0,0,0,0.04);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .card-article:hover {
            box-shadow: 0 2px 8px rgba(0,0,0,0.10), 0 8px 24px rgba(0,0,0,0.06);
            transform: translateY(-3px);
        }

        .card-article .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }

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

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

        .card-article .card-body {
            padding: 1.25rem 1.25rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-article .card-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: #0F7B4E;
            background-color: #E8F5EF;
            padding: 0.2rem 0.7rem;
            border-radius: 9999px;
            margin-bottom: 0.6rem;
            width: fit-content;
        }

        .card-article .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: #1a1a1a;
            margin: 0 0 0.5rem 0;
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-article .card-excerpt {
            font-size: 0.9rem;
            color: #666;
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-article .card-meta {
            font-size: 0.8rem;
            color: #999;
            margin-top: 0.75rem;
            padding-top: 0.75rem;
            border-top: 1px solid #f0f0f0;
        }

        .faq-item {
            border-bottom: 1px solid #E8E8E4;
            padding: 1.25rem 0;
            cursor: pointer;
            transition: all 0.2s ease;
        }

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

        .faq-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .faq-question {
            font-weight: 700;
            font-size: 1.05rem;
            color: #1a1a1a;
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            transition: color 0.2s ease;
        }

        .faq-item:hover .faq-question {
            color: #0F7B4E;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 1.5rem;
            height: 1.5rem;
            background-color: #E8F5EF;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: #0F7B4E;
            font-weight: 700;
            margin-top: 0.1rem;
            transition: all 0.25s ease;
        }

        .faq-item:hover .faq-icon {
            background-color: #0F7B4E;
            color: #fff;
        }

        .faq-answer {
            margin-top: 0.6rem;
            padding-left: 2.25rem;
            color: #666;
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .faq-item.open .faq-icon {
            background-color: #0F7B4E;
            color: #fff;
            transform: rotate(45deg);
        }

        .section-badge {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 700;
            color: #0F7B4E;
            background-color: #E8F5EF;
            padding: 0.3rem 1rem;
            border-radius: 9999px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: #1a1a1a;
            margin: 0.5rem 0 0.75rem;
            line-height: 1.3;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.55rem;
            }
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: #0F7B4E;
            line-height: 1.1;
        }

        @media (max-width: 768px) {
            .stat-number {
                font-size: 1.8rem;
            }
        }

        .highlight-box {
            background: linear-gradient(135deg, #E8F5EF 0%, #F0FAF5 100%);
            border-left: 4px solid #0F7B4E;
            border-radius: 0 0.75rem 0.75rem 0;
            padding: 1.25rem 1.5rem;
        }

        .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.35) 60%, rgba(0,0,0,0.6) 100%);
            z-index: 1;
        }

        .banner-content {
            position: relative;
            z-index: 2;
        }

        @media (max-width: 520px) {
            .card-article .card-title {
                font-size: 1rem;
            }
            .card-article .card-excerpt {
                font-size: 0.85rem;
            }
            .btn-primary, .btn-outline {
                padding: 0.6rem 1.4rem;
                font-size: 0.88rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
        }