/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --color-primary: #1e7a3a;
            --color-primary-light: #2d9e4e;
            --color-primary-dark: #145a2a;
            --color-secondary: #f5a623;
            --color-secondary-light: #f7b84a;
            --color-secondary-dark: #d4911e;
            --color-bg: #f5f7f5;
            --color-bg-alt: #eef3ee;
            --color-bg-card: #ffffff;
            --color-text: #1e2a1e;
            --color-text-weak: #5a6a5a;
            --color-text-inverse: #ffffff;
            --color-border: #d0dcd0;
            --color-border-light: #e5ede5;
            --color-shadow: rgba(30, 50, 30, 0.08);
            --color-shadow-hover: rgba(30, 50, 30, 0.16);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px var(--color-shadow);
            --shadow-md: 0 6px 24px var(--color-shadow);
            --shadow-lg: 0 12px 40px var(--color-shadow-hover);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-display: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
            --nav-width: 250px;
            --header-h: 64px;
            --max-width: 1200px;
            --gap: 32px;
        }

        /* ===== 基础 Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--color-primary-light); }
        a:focus-visible { outline: 3px solid var(--color-primary-light); outline-offset: 2px; border-radius: 4px; }
        img { max-width: 100%; height: auto; display: block; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; }
        button { cursor: pointer; border: none; background: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { font-family: var(--font-display); line-height: 1.3; color: var(--color-text); font-weight: 700; }
        h1 { font-size: clamp(2rem, 4.5vw, 3.6rem); letter-spacing: -0.01em; }
        h2 { font-size: clamp(1.5rem, 3vw, 2.4rem); }
        h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
        p { margin-bottom: 1em; }
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }
        .section { padding: 80px 0; }
        .section-title { text-align: center; margin-bottom: 56px; }
        .section-title h2 { position: relative; display: inline-block; }
        .section-title h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--color-secondary);
            border-radius: 4px;
            margin: 12px auto 0;
        }
        .section-title p { color: var(--color-text-weak); max-width: 600px; margin: 12px auto 0; font-size: 1.05rem; }
        .text-center { text-align: center; }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            border: 2px solid transparent;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--color-primary);
            color: var(--color-text-inverse);
            border-color: var(--color-primary);
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            color: var(--color-text-inverse);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-primary:active { transform: translateY(0); box-shadow: var(--shadow-sm); }
        .btn-secondary {
            background: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }
        .btn-secondary:hover {
            background: var(--color-primary);
            color: var(--color-text-inverse);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-secondary:active { transform: translateY(0); }
        .btn-ghost {
            background: rgba(255,255,255,0.15);
            color: #fff;
            border-color: rgba(255,255,255,0.4);
        }
        .btn-ghost:hover {
            background: rgba(255,255,255,0.25);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-lg { padding: 16px 44px; font-size: 1.1rem; border-radius: var(--radius-md); }
        .btn-sm { padding: 8px 20px; font-size: 0.9rem; }

        /* ===== 徽章 / 标签 ===== */
        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            background: var(--color-bg-alt);
            color: var(--color-primary);
            border: 1px solid var(--color-border);
        }
        .badge-primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
        .badge-secondary { background: var(--color-secondary); color: #fff; border-color: var(--color-secondary); }
        .badge-hot { background: #fef0f0; color: #c0392b; border-color: #f5c6c6; }

        /* ===== 卡片 ===== */
        .card {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
            border: 1px solid var(--color-border-light);
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .card-img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
        .card-body { padding: 24px; }
        .card-body h3 { margin-bottom: 8px; font-size: 1.2rem; }
        .card-body p { color: var(--color-text-weak); font-size: 0.95rem; margin-bottom: 12px; }
        .card-meta { display: flex; align-items: center; gap: 16px; font-size: 0.85rem; color: var(--color-text-weak); }

        /* ===== 网格 ===== */
        .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--gap); }
        .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); }
        .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap); }

        /* ===== 布局：左侧导航 + 右侧内容 ===== */
        .layout-wrapper { display: flex; min-height: 100vh; }

        /* ===== 左侧导航 ===== */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--color-bg-card);
            border-right: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
            z-index: 1000;
            transition: transform var(--transition);
            padding: 0;
        }
        .side-nav-brand {
            padding: 28px 24px 20px;
            border-bottom: 1px solid var(--color-border-light);
        }
        .side-nav-brand .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.3;
        }
        .side-nav-brand .logo i { font-size: 1.6rem; color: var(--color-secondary); }
        .side-nav-brand .logo span { font-size: 0.8rem; font-weight: 400; color: var(--color-text-weak); display: block; }
        .side-nav-links {
            flex: 1;
            padding: 16px 12px;
            overflow-y: auto;
        }
        .side-nav-links .nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: var(--color-text);
            font-weight: 500;
            transition: all var(--transition);
            margin-bottom: 4px;
        }
        .side-nav-links .nav-item i { width: 20px; color: var(--color-text-weak); transition: color var(--transition); }
        .side-nav-links .nav-item:hover {
            background: var(--color-bg-alt);
            color: var(--color-primary);
        }
        .side-nav-links .nav-item:hover i { color: var(--color-primary); }
        .side-nav-links .nav-item.active {
            background: var(--color-primary);
            color: #fff;
        }
        .side-nav-links .nav-item.active i { color: #fff; }
        .side-nav-footer {
            padding: 20px 24px;
            border-top: 1px solid var(--color-border-light);
            font-size: 0.85rem;
            color: var(--color-text-weak);
        }
        .side-nav-footer .social-links { display: flex; gap: 12px; margin-top: 8px; }
        .side-nav-footer .social-links a { color: var(--color-text-weak); font-size: 1.1rem; }
        .side-nav-footer .social-links a:hover { color: var(--color-primary); }

        /* ===== 右侧主内容 ===== */
        .main-content { margin-left: var(--nav-width); flex: 1; min-width: 0; }

        /* ===== 移动端导航触发器 ===== */
        .nav-toggle { display: none; }
        .mobile-nav-header { display: none; }

        /* ===== Hero 首屏 ===== */
        .hero {
            position: relative;
            padding: 120px 0 100px;
            background: var(--color-primary-dark);
            color: #fff;
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.25;
            mix-blend-mode: overlay;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20,50,30,0.85) 0%, rgba(30,80,50,0.65) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .hero-content h1 { color: #fff; margin-bottom: 20px; }
        .hero-content .hero-subtitle {
            font-size: 1.2rem;
            opacity: 0.9;
            margin-bottom: 36px;
            line-height: 1.6;
            max-width: 580px;
        }
        .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 56px;
            padding-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.15);
        }
        .hero-stat-item { text-align: center; }
        .hero-stat-item .num { font-size: 2rem; font-weight: 800; color: var(--color-secondary); }
        .hero-stat-item .label { font-size: 0.9rem; opacity: 0.75; }

        /* ===== 板块通用 ===== */
        .about-section { background: var(--color-bg-card); }
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .about-text h2 { margin-bottom: 20px; }
        .about-text p { color: var(--color-text-weak); margin-bottom: 16px; }
        .about-image img { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); width: 100%; }

        /* ===== 分类入口 ===== */
        .category-section { background: var(--color-bg-alt); }
        .category-card {
            text-align: center;
            padding: 32px 24px;
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
        }
        .category-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-6px);
        }
        .category-card .icon-wrap {
            width: 72px;
            height: 72px;
            margin: 0 auto 16px;
            background: var(--color-bg-alt);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: var(--color-primary);
            transition: background var(--transition);
        }
        .category-card:hover .icon-wrap { background: var(--color-primary); color: #fff; }
        .category-card h3 { margin-bottom: 8px; }
        .category-card p { color: var(--color-text-weak); font-size: 0.95rem; margin-bottom: 16px; }

        /* ===== 最新资讯 ===== */
        .news-list { display: flex; flex-direction: column; gap: 20px; }
        .news-item {
            display: flex;
            gap: 24px;
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
            align-items: flex-start;
        }
        .news-item:hover { box-shadow: var(--shadow-md); transform: translateX(4px); }
        .news-item .news-thumb {
            width: 120px;
            min-height: 80px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--color-bg-alt);
        }
        .news-item .news-body { flex: 1; }
        .news-item .news-body h3 { font-size: 1.1rem; margin-bottom: 6px; }
        .news-item .news-body p { font-size: 0.92rem; color: var(--color-text-weak); margin-bottom: 8px; }
        .news-item .news-meta { display: flex; gap: 16px; font-size: 0.82rem; color: var(--color-text-weak); }
        .news-empty {
            text-align: center;
            padding: 60px 20px;
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            color: var(--color-text-weak);
            border: 2px dashed var(--color-border);
        }

        /* ===== 流程/数据 ===== */
        .process-section { background: var(--color-bg-card); }
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .process-step {
            text-align: center;
            padding: 32px 20px;
            background: var(--color-bg-alt);
            border-radius: var(--radius-md);
            position: relative;
            transition: all var(--transition);
        }
        .process-step:hover { background: var(--color-primary); color: #fff; transform: translateY(-4px); }
        .process-step:hover h3,
        .process-step:hover p { color: #fff; }
        .process-step::before {
            counter-increment: step;
            content: counter(step);
            display: block;
            width: 44px;
            height: 44px;
            line-height: 44px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-size: 1.2rem;
            font-weight: 700;
            margin: 0 auto 16px;
        }
        .process-step h3 { margin-bottom: 8px; font-size: 1.1rem; }
        .process-step p { color: var(--color-text-weak); font-size: 0.9rem; margin: 0; }

        /* ===== 活动亮点 ===== */
        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap);
        }
        .highlight-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
        }
        .highlight-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
        .highlight-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
        .highlight-card .hl-body { padding: 20px 24px 24px; }
        .highlight-card .hl-body h3 { margin-bottom: 8px; }
        .highlight-card .hl-body p { color: var(--color-text-weak); font-size: 0.95rem; margin-bottom: 12px; }
        .highlight-card .hl-tags { display: flex; gap: 8px; flex-wrap: wrap; }

        /* ===== FAQ ===== */
        .faq-section { background: var(--color-bg-alt); }
        .faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
        .faq-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover { box-shadow: var(--shadow-md); }
        .faq-question {
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1.05rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            background: none;
            width: 100%;
            text-align: left;
            color: var(--color-text);
            transition: background var(--transition);
        }
        .faq-question:hover { background: var(--color-bg-alt); }
        .faq-question i { color: var(--color-primary); transition: transform var(--transition); font-size: 1.1rem; }
        .faq-question.open i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 24px 20px;
            color: var(--color-text-weak);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.show { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--color-primary-dark);
            color: #fff;
            text-align: center;
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.1;
            mix-blend-mode: overlay;
        }
        .cta-content { position: relative; z-index: 2; }
        .cta-content h2 { color: #fff; margin-bottom: 16px; }
        .cta-content p { font-size: 1.1rem; opacity: 0.85; margin-bottom: 32px; max-width: 600px; margin-left: auto; margin-right: auto; }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-text);
            color: rgba(255,255,255,0.7);
            padding: 48px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-col h4 { color: #fff; margin-bottom: 16px; font-size: 1.05rem; }
        .footer-col p, .footer-col a { font-size: 0.92rem; color: rgba(255,255,255,0.6); }
        .footer-col a:hover { color: var(--color-secondary); }
        .footer-col ul li { margin-bottom: 8px; }
        .footer-col .logo-foot { font-size: 1.2rem; font-weight: 700; color: #fff; display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
        .footer-col .logo-foot i { color: var(--color-secondary); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.5);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .highlights-grid { grid-template-columns: repeat(2, 1fr); }
            .process-steps { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 768px) {
            :root { --nav-width: 0px; --gap: 20px; }
            .side-nav {
                transform: translateX(-100%);
                width: 280px;
                box-shadow: var(--shadow-lg);
            }
            .side-nav.open { transform: translateX(0); }
            .main-content { margin-left: 0; }
            .mobile-nav-header {
                display: flex;
                align-items: center;
                justify-content: space-between;
                padding: 12px 20px;
                background: var(--color-bg-card);
                border-bottom: 1px solid var(--color-border-light);
                position: sticky;
                top: 0;
                z-index: 999;
            }
            .mobile-nav-header .logo {
                display: flex;
                align-items: center;
                gap: 8px;
                font-weight: 700;
                color: var(--color-primary);
                font-size: 1.05rem;
            }
            .mobile-nav-header .logo i { color: var(--color-secondary); font-size: 1.3rem; }
            .nav-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
                width: 40px;
                height: 40px;
                border-radius: var(--radius-sm);
                background: var(--color-bg-alt);
                color: var(--color-text);
                font-size: 1.2rem;
                border: none;
                cursor: pointer;
            }
            .nav-toggle:hover { background: var(--color-border-light); }
            .nav-overlay {
                display: none;
                position: fixed;
                inset: 0;
                background: rgba(0,0,0,0.4);
                z-index: 998;
            }
            .nav-overlay.show { display: block; }
            .hero { padding: 80px 0 60px; }
            .hero-stats { gap: 24px; flex-wrap: wrap; }
            .hero-stat-item .num { font-size: 1.6rem; }
            .about-grid { grid-template-columns: 1fr; gap: 32px; }
            .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
            .highlights-grid { grid-template-columns: 1fr; }
            .process-steps { grid-template-columns: 1fr 1fr; gap: 16px; }
            .section { padding: 56px 0; }
            .section-title { margin-bottom: 36px; }
            .news-item { flex-direction: column; padding: 16px; }
            .news-item .news-thumb { width: 100%; min-height: 140px; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .category-card { padding: 24px 16px; }
            .faq-question { padding: 16px 20px; font-size: 0.98rem; }
        }

        @media (max-width: 520px) {
            .process-steps { grid-template-columns: 1fr; }
            .hero-actions { flex-direction: column; }
            .hero-actions .btn { width: 100%; justify-content: center; }
            .hero-content h1 { font-size: 1.8rem; }
            .hero-content .hero-subtitle { font-size: 1rem; }
            .cta-section { padding: 56px 0; }
            .btn-lg { padding: 14px 28px; font-size: 1rem; }
            .side-nav { width: 100%; max-width: 320px; }
        }

        /* ===== 工具类 ===== */
        .sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
        .mt-1 { margin-top: 16px; }
        .mt-2 { margin-top: 32px; }
        .gap-sm { gap: 12px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .text-secondary { color: var(--color-secondary); }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a5632;
            --primary-light: #2a7a48;
            --primary-dark: #0f3d22;
            --secondary: #e8b84b;
            --secondary-light: #f0d080;
            --accent: #d4543a;
            --bg-body: #f7f5f0;
            --bg-card: #ffffff;
            --bg-dark: #1a1a1a;
            --bg-section-alt: #edebe5;
            --text-primary: #1e1e1e;
            --text-secondary: #5a5a5a;
            --text-light: #8a8a8a;
            --text-white: #ffffff;
            --border-color: #e0ddd5;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.10);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.15);
            --transition: 0.25s ease;
            --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --container-w: 1200px;
            --sidebar-w: 260px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            display: flex;
            min-height: 100vh;
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-light); }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { list-style: none; }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--text-primary); }

        /* ===== Sidebar Navigation ===== */
        .side-nav {
            position: fixed;
            top: 0; left: 0;
            width: var(--sidebar-w);
            height: 100vh;
            background: var(--bg-card);
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            z-index: 1000;
            box-shadow: 2px 0 20px rgba(0,0,0,0.04);
            transition: transform var(--transition);
        }
        .side-nav-brand {
            padding: 28px 24px 20px;
            border-bottom: 1px solid var(--border-color);
        }
        .side-nav-brand .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--text-primary);
            font-size: 18px;
            font-weight: 700;
        }
        .side-nav-brand .logo i {
            font-size: 28px;
            color: var(--primary);
        }
        .side-nav-brand .logo div span {
            display: block;
            font-size: 12px;
            font-weight: 400;
            color: var(--text-light);
            margin-top: 2px;
        }
        .side-nav-links {
            flex: 1;
            padding: 16px 12px;
            display: flex;
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
        }
        .side-nav-links .nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
        }
        .side-nav-links .nav-item i {
            width: 20px;
            text-align: center;
            font-size: 16px;
        }
        .side-nav-links .nav-item:hover {
            background: rgba(26,86,50,0.08);
            color: var(--primary);
        }
        .side-nav-links .nav-item.active {
            background: var(--primary);
            color: var(--text-white);
            box-shadow: 0 4px 12px rgba(26,86,50,0.25);
        }
        .side-nav-footer {
            padding: 20px 24px;
            border-top: 1px solid var(--border-color);
            font-size: 13px;
            color: var(--text-light);
        }
        .side-nav-footer .social-links {
            display: flex;
            gap: 14px;
            margin-top: 10px;
        }
        .side-nav-footer .social-links a {
            color: var(--text-light);
            font-size: 18px;
            transition: var(--transition);
        }
        .side-nav-footer .social-links a:hover { color: var(--primary); }

        /* ===== Main Content Area ===== */
        .main-wrapper {
            margin-left: var(--sidebar-w);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .main-content {
            flex: 1;
            padding: 40px 48px 60px;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== Article Detail ===== */
        .article-detail {
            max-width: 860px;
            margin: 0 auto;
        }
        .article-header {
            margin-bottom: 36px;
        }
        .article-header .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .article-header .breadcrumb a {
            color: var(--text-light);
        }
        .article-header .breadcrumb a:hover {
            color: var(--primary);
        }
        .article-header .breadcrumb .sep {
            color: var(--border-color);
        }
        .article-header .article-category {
            display: inline-block;
            background: var(--secondary);
            color: var(--primary-dark);
            padding: 4px 16px;
            border-radius: 100px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .article-header h1 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .article-header .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            font-size: 14px;
            color: var(--text-light);
            flex-wrap: wrap;
        }
        .article-header .article-meta i {
            margin-right: 4px;
        }
        .article-header .article-meta span {
            display: flex;
            align-items: center;
        }
        .article-featured-image {
            margin-bottom: 32px;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            background: var(--bg-section-alt);
        }
        .article-featured-image img {
            width: 100%;
            height: auto;
            max-height: 480px;
            object-fit: cover;
        }
        .article-body {
            font-size: 17px;
            line-height: 1.85;
            color: var(--text-primary);
        }
        .article-body p {
            margin-bottom: 1.4em;
        }
        .article-body h2 {
            font-size: 26px;
            margin-top: 1.8em;
            margin-bottom: 0.6em;
            color: var(--primary-dark);
        }
        .article-body h3 {
            font-size: 22px;
            margin-top: 1.4em;
            margin-bottom: 0.5em;
            color: var(--primary);
        }
        .article-body ul, .article-body ol {
            margin-bottom: 1.4em;
            padding-left: 24px;
        }
        .article-body ul li {
            list-style: disc;
            margin-bottom: 6px;
        }
        .article-body ol li {
            list-style: decimal;
            margin-bottom: 6px;
        }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            padding: 16px 24px;
            margin: 1.6em 0;
            background: rgba(26,86,50,0.05);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body a:hover {
            color: var(--primary-light);
        }
        .article-body img {
            border-radius: var(--radius-sm);
            margin: 1.6em auto;
            box-shadow: var(--shadow-sm);
        }
        .article-body .article-content-empty {
            padding: 60px 20px;
            text-align: center;
            background: var(--bg-section-alt);
            border-radius: var(--radius-md);
            color: var(--text-light);
        }
        .article-body .article-content-empty i {
            font-size: 48px;
            color: var(--text-light);
            margin-bottom: 16px;
            display: block;
        }
        .article-body .article-content-empty a {
            display: inline-block;
            margin-top: 16px;
            color: var(--primary);
            text-decoration: underline;
        }
        .article-tags {
            margin-top: 40px;
            padding-top: 28px;
            border-top: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .article-tags .tag-label {
            font-size: 14px;
            color: var(--text-light);
            font-weight: 600;
        }
        .article-tags .tag {
            display: inline-block;
            background: var(--bg-section-alt);
            color: var(--text-secondary);
            padding: 4px 14px;
            border-radius: 100px;
            font-size: 13px;
            transition: var(--transition);
        }
        .article-tags .tag:hover {
            background: var(--primary);
            color: var(--text-white);
        }

        /* ===== Article Navigation (prev/next) ===== */
        .article-nav {
            margin-top: 48px;
            padding-top: 28px;
            border-top: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .article-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-size: 14px;
            transition: var(--transition);
            max-width: 45%;
        }
        .article-nav a:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .article-nav a i {
            font-size: 14px;
        }
        .article-nav .nav-next {
            text-align: right;
        }

        /* ===== Related Section ===== */
        .related-section {
            margin-top: 60px;
            padding-top: 40px;
            border-top: 1px solid var(--border-color);
        }
        .related-section h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 28px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .related-section h2 i {
            color: var(--primary);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .related-card .card-img {
            height: 180px;
            background: var(--bg-section-alt);
            overflow: hidden;
        }
        .related-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .related-card:hover .card-img img {
            transform: scale(1.05);
        }
        .related-card .card-body {
            padding: 18px 20px 22px;
        }
        .related-card .card-body .card-cat {
            font-size: 12px;
            color: var(--primary);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .related-card .card-body h3 {
            font-size: 17px;
            font-weight: 700;
            margin: 8px 0 10px;
            line-height: 1.4;
        }
        .related-card .card-body h3 a {
            color: var(--text-primary);
        }
        .related-card .card-body h3 a:hover {
            color: var(--primary);
        }
        .related-card .card-body .card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body .card-meta {
            margin-top: 12px;
            font-size: 13px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 14px;
        }

        /* ===== Site Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-white);
            padding: 56px 48px 32px;
            margin-left: var(--sidebar-w);
        }
        .site-footer .container {
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-col .logo-foot {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-white);
        }
        .footer-col .logo-foot i {
            color: var(--secondary);
        }
        .footer-col p {
            font-size: 14px;
            color: rgba(255,255,255,0.6);
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: rgba(255,255,255,0.6);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--secondary);
        }
        .footer-col ul li i {
            color: var(--secondary);
            width: 18px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255,255,255,0.5);
        }

        /* ===== Mobile Toggle Button ===== */
        .mobile-toggle {
            display: none;
            position: fixed;
            top: 16px;
            left: 16px;
            z-index: 1100;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            font-size: 20px;
            color: var(--text-primary);
            cursor: pointer;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            background: var(--primary);
            color: var(--text-white);
            border-color: var(--primary);
        }
        .mobile-overlay {
            display: none;
            position: fixed;
            top: 0; left: 0;
            width: 100%; height: 100%;
            background: rgba(0,0,0,0.4);
            z-index: 999;
            opacity: 0;
            transition: opacity var(--transition);
        }
        .mobile-overlay.show {
            opacity: 1;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .main-content {
                padding: 32px 28px 48px;
            }
            .article-header h1 {
                font-size: 30px;
            }
        }

        @media (max-width: 768px) {
            .side-nav {
                transform: translateX(-100%);
            }
            .side-nav.open {
                transform: translateX(0);
            }
            .main-wrapper {
                margin-left: 0;
            }
            .site-footer {
                margin-left: 0;
                padding: 40px 24px 28px;
            }
            .mobile-toggle {
                display: block;
            }
            .mobile-overlay {
                display: block;
                pointer-events: none;
            }
            .mobile-overlay.show {
                pointer-events: auto;
            }
            .main-content {
                padding: 24px 20px 40px;
                padding-top: 76px;
            }
            .article-header h1 {
                font-size: 26px;
            }
            .article-body {
                font-size: 16px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .article-nav a {
                max-width: 100%;
                flex: 1;
            }
            .article-nav {
                flex-direction: column;
            }
            .article-header .article-meta {
                gap: 12px;
                font-size: 13px;
            }
            .article-featured-image img {
                max-height: 300px;
            }
        }

        @media (max-width: 520px) {
            .article-header h1 {
                font-size: 22px;
            }
            .main-content {
                padding: 16px 14px 32px;
                padding-top: 72px;
            }
            .article-body {
                font-size: 15px;
            }
            .article-body h2 {
                font-size: 20px;
            }
            .article-body h3 {
                font-size: 18px;
            }
            .article-tags .tag {
                font-size: 12px;
                padding: 3px 12px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .site-footer {
                padding: 32px 16px 24px;
            }
            .related-card .card-img {
                height: 160px;
            }
            .side-nav-brand {
                padding: 20px 16px 16px;
            }
            .side-nav-brand .logo {
                font-size: 16px;
            }
            .side-nav-links .nav-item {
                padding: 10px 14px;
                font-size: 14px;
            }
        }

        /* ===== Utility ===== */
        .text-center { text-align: center; }
        .mt-8 { margin-top: 48px; }
        .mb-8 { margin-bottom: 48px; }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

        /* ===== Status Colors ===== */
        .status-badge {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 100px;
            font-size: 12px;
            font-weight: 600;
        }
        .status-badge.active {
            background: rgba(26,86,50,0.12);
            color: var(--primary);
        }
        .status-badge.pending {
            background: rgba(232,184,75,0.2);
            color: #b8941a;
        }
        .status-badge.closed {
            background: rgba(212,84,58,0.12);
            color: var(--accent);
        }

        /* ===== Focus & Accessibility ===== */
        a:focus-visible, button:focus-visible, .nav-item:focus-visible {
            outline: 3px solid var(--secondary);
            outline-offset: 2px;
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #1e7e34;
            --primary-dark: #145a24;
            --primary-light: #e8f5e9;
            --accent: #f5a623;
            --accent-dark: #d4891a;
            --bg-body: #f6f8f7;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --bg-dark: #0f1f14;
            --text-dark: #1a2a1a;
            --text-body: #2d3e2d;
            --text-soft: #5f6f5f;
            --text-light: #8a9a8a;
            --border: #dce4dc;
            --border-light: #edf2ed;
            --shadow-sm: 0 2px 8px rgba(0, 20, 0, 0.06);
            --shadow-md: 0 6px 24px rgba(0, 20, 0, 0.08);
            --shadow-lg: 0 16px 48px rgba(0, 20, 0, 0.12);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --side-width: 240px;
            --transition: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-dark);
            font-weight: 700;
            line-height: 1.3;
        }
        p {
            margin-bottom: 1em;
        }
        p:last-child {
            margin-bottom: 0;
        }

        /* ===== Layout ===== */
        .layout-wrapper {
            display: flex;
            min-height: 100vh;
        }

        /* ===== Container ===== */
        .container {
            max-width: 1160px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Side Navigation ===== */
        .side-nav {
            width: var(--side-width);
            flex-shrink: 0;
            background: var(--bg-white);
            border-right: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
            position: sticky;
            top: 0;
            height: 100vh;
            overflow-y: auto;
            z-index: 100;
            padding: 28px 16px;
            transition: var(--transition);
        }
        .side-nav-brand {
            margin-bottom: 36px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border-light);
        }
        .side-nav-brand .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--text-dark);
            font-weight: 700;
            font-size: 18px;
            line-height: 1.3;
        }
        .side-nav-brand .logo i {
            font-size: 32px;
            color: var(--primary);
            flex-shrink: 0;
        }
        .side-nav-brand .logo div {
            display: flex;
            flex-direction: column;
        }
        .side-nav-brand .logo span {
            font-size: 12px;
            font-weight: 400;
            color: var(--text-soft);
            margin-top: 2px;
        }
        .side-nav-links {
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
        }
        .side-nav-links .nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: var(--text-body);
            font-weight: 500;
            font-size: 15px;
            transition: var(--transition);
        }
        .side-nav-links .nav-item i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            color: var(--text-light);
            transition: var(--transition);
        }
        .side-nav-links .nav-item:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .side-nav-links .nav-item:hover i {
            color: var(--primary);
        }
        .side-nav-links .nav-item.active {
            background: var(--primary);
            color: #fff;
        }
        .side-nav-links .nav-item.active i {
            color: #fff;
        }
        .side-nav-footer {
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid var(--border-light);
            font-size: 13px;
            color: var(--text-light);
        }
        .side-nav-footer .social-links {
            display: flex;
            gap: 12px;
            margin-top: 10px;
        }
        .side-nav-footer .social-links a {
            color: var(--text-light);
            font-size: 18px;
            transition: var(--transition);
        }
        .side-nav-footer .social-links a:hover {
            color: var(--primary);
        }

        /* ===== Mobile Nav Toggle ===== */
        .nav-toggle {
            display: none;
            position: fixed;
            top: 16px;
            right: 16px;
            z-index: 200;
            width: 44px;
            height: 44px;
            border: none;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 20px;
            cursor: pointer;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: var(--primary-dark);
        }
        .nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.4);
            z-index: 90;
        }

        /* ===== Main Content Area ===== */
        .main-content {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        /* ===== Hero / Banner ===== */
        .category-hero {
            position: relative;
            padding: 80px 0 72px;
            background: var(--bg-dark);
            overflow: hidden;
            min-height: 360px;
            display: flex;
            align-items: center;
        }
        .category-hero .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            pointer-events: none;
        }
        .category-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 31, 20, 0.88) 0%, rgba(15, 31, 20, 0.60) 100%);
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
        }
        .category-hero h1 {
            font-size: 44px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .category-hero h1 i {
            color: var(--accent);
            margin-right: 10px;
        }
        .category-hero .hero-sub {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 640px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .category-hero .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        .category-hero .hero-stat {
            text-align: center;
        }
        .category-hero .hero-stat .num {
            font-size: 32px;
            font-weight: 800;
            color: var(--accent);
            display: block;
        }
        .category-hero .hero-stat .label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 2px;
        }

        /* ===== Section Common ===== */
        .section {
            padding: 72px 0;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-dark {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.85);
        }
        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-header h2 i {
            color: var(--primary);
            margin-right: 8px;
        }
        .section-dark .section-header h2 i {
            color: var(--accent);
        }
        .section-header p {
            font-size: 17px;
            color: var(--text-soft);
            max-width: 600px;
            margin: 0 auto;
        }
        .section-dark .section-header p {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== Card Grid ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .card-grid.cols-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .card-grid.cols-4 {
            grid-template-columns: repeat(4, 1fr);
        }

        /* ===== Cards ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .card .card-img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--primary-light);
        }
        .card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .card:hover .card-img img {
            transform: scale(1.05);
        }
        .card .card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 3px 12px;
            border-radius: 20px;
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .card .card-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .card .card-text {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.6;
            flex: 1;
        }
        .card .card-meta {
            margin-top: 14px;
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-light);
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
        }
        .card .card-meta i {
            margin-right: 4px;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            font-weight: 600;
            font-size: 15px;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(30, 126, 52, 0.3);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 166, 35, 0.3);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 16px 38px;
            font-size: 17px;
            border-radius: var(--radius-md);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }

        /* ===== Badge / Tag ===== */
        .badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            background: var(--primary-light);
            color: var(--primary);
        }
        .badge-accent {
            background: #fef3e0;
            color: var(--accent-dark);
        }
        .badge-hot {
            background: #fce4e4;
            color: #c62828;
        }

        /* ===== Rank List ===== */
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--bg-white);
            padding: 16px 20px;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .rank-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }
        .rank-item .rank-num {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            min-width: 40px;
            text-align: center;
        }
        .rank-item .rank-num.top1 {
            color: #f5a623;
        }
        .rank-item .rank-num.top2 {
            color: #78909c;
        }
        .rank-item .rank-num.top3 {
            color: #a1887f;
        }
        .rank-item .rank-info {
            flex: 1;
        }
        .rank-item .rank-info h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 2px;
        }
        .rank-item .rank-info p {
            font-size: 13px;
            color: var(--text-soft);
        }
        .rank-item .rank-meta {
            font-size: 13px;
            color: var(--text-light);
            text-align: right;
            flex-shrink: 0;
        }
        .rank-item .rank-meta .hot {
            color: #c62828;
            font-weight: 600;
        }

        /* ===== Steps / Timeline ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            counter-reset: step;
        }
        .step-card {
            text-align: center;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 32px 20px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .step-card .step-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 16px;
            background: var(--primary-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--primary);
        }
        .step-card .step-num {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            background: var(--primary-light);
            display: inline-block;
            padding: 2px 14px;
            border-radius: 20px;
            margin-bottom: 10px;
        }
        .step-card h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .step-card p {
            font-size: 14px;
            color: var(--text-soft);
        }

        /* ===== Features / Highlights ===== */
        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .highlight-item {
            display: flex;
            gap: 16px;
            background: var(--bg-white);
            padding: 24px 22px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .highlight-item:hover {
            box-shadow: var(--shadow-md);
        }
        .highlight-item .hl-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            background: var(--primary-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
        }
        .highlight-item .hl-content h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .highlight-item .hl-content p {
            font-size: 14px;
            color: var(--text-soft);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-item .faq-q {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 16px;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: var(--transition);
            user-select: none;
        }
        .faq-item .faq-q:hover {
            color: var(--primary);
        }
        .faq-item .faq-q i {
            transition: var(--transition);
            color: var(--text-light);
            font-size: 14px;
        }
        .faq-item.active .faq-q i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-item .faq-a {
            padding: 0 22px 18px;
            font-size: 15px;
            color: var(--text-soft);
            line-height: 1.7;
            display: none;
        }
        .faq-item.active .faq-a {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 72px 0;
            background: var(--primary);
            color: #fff;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 520px;
            margin: 0 auto 28px;
        }
        .cta-section .btn {
            background: #fff;
            color: var(--primary);
        }
        .cta-section .btn:hover {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 32px;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .site-footer .logo-foot {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .site-footer .logo-foot i {
            color: var(--accent);
            font-size: 26px;
        }
        .site-footer .footer-col p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
        }
        .site-footer .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .site-footer .footer-col ul li {
            margin-bottom: 8px;
            font-size: 14px;
        }
        .site-footer .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition);
        }
        .site-footer .footer-col ul li a:hover {
            color: var(--accent);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 22px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .highlights-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 840px) {
            .side-nav {
                position: fixed;
                left: -280px;
                top: 0;
                height: 100vh;
                z-index: 110;
                box-shadow: var(--shadow-lg);
                transition: left 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            }
            .side-nav.open {
                left: 0;
            }
            .nav-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .nav-overlay.show {
                display: block;
            }
            .layout-wrapper {
                flex-direction: column;
            }
            .main-content {
                padding-top: 0;
            }
            .category-hero {
                padding: 56px 0 48px;
                min-height: 280px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .category-hero .hero-stats {
                gap: 20px;
            }
            .section {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 26px;
            }
        }

        @media (max-width: 640px) {
            .card-grid {
                grid-template-columns: 1fr;
            }
            .card-grid.cols-2,
            .card-grid.cols-4 {
                grid-template-columns: 1fr;
            }
            .highlights-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .category-hero .hero-sub {
                font-size: 15px;
            }
            .category-hero .hero-stat .num {
                font-size: 24px;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .rank-item {
                flex-wrap: wrap;
                gap: 8px;
            }
            .rank-item .rank-meta {
                text-align: left;
                width: 100%;
                padding-left: 56px;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 15px;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .container {
                padding: 0 16px;
            }
            .faq-item .faq-q {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-item .faq-a {
                font-size: 14px;
                padding: 0 16px 14px;
            }
        }

        @media (max-width: 480px) {
            .category-hero {
                padding: 40px 0 36px;
                min-height: 220px;
            }
            .category-hero h1 {
                font-size: 20px;
            }
            .section {
                padding: 36px 0;
            }
            .card .card-body {
                padding: 16px 18px 20px;
            }
            .card .card-title {
                font-size: 16px;
            }
        }