:root { --primary: rgb(52,168,83); --primary-dark: #2a8a43; --primary-light: rgba(52,168,83,0.1); --text-main: #2c3e50; --text-sub: #5f6c7b; --bg-body: #f8fbfa; --bg-white: #ffffff; --border-color: #eaeff2; --shadow-sm: 0 4px 6px rgba(0,0,0,0.04); --radius-md: 12px; }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: 'PingFang SC', sans-serif; background: var(--bg-body); color: var(--text-main); line-height: 1.8; }
        a { text-decoration: none; color: inherit; transition: 0.3s; }
        img { max-width: 100%; display: block; border-radius: 8px; }
        .container { max-width: 1000px; margin: 0 auto; padding: 0 20px; }
        
        .site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.85); backdrop-filter: blur(12px); border-bottom: 1px solid var(--primary-light); }
        .header-inner { display: flex; align-items: center; justify-content: space-between; height: 80px; max-width:1200px; margin:0 auto; padding:0 20px;}
        .logo { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
        .logo img { display: block; height: 40px; width: auto; max-width: 160px; object-fit: contain; flex-shrink: 0; }
        .logo span { display: inline-block; font-size: 22px; font-weight: 800; line-height: 1; color: var(--text-main); white-space: nowrap; }
        .main-nav { display: flex; gap: 30px; align-items: center; }
        .main-nav a { font-size: 16px; font-weight: 500; padding: 8px 0; }
        .main-nav a:hover { color: var(--primary); }
        .header-actions { display: flex; gap: 15px; }
        .btn-primary { display: inline-flex; padding: 10px 24px; background: var(--primary); color: #fff; border-radius: 30px; }
        .menu-toggle { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; width: 30px; }
        .menu-toggle span { display: block; width: 100%; height: 3px; background: var(--text-main); }
        
        .breadcrumb { padding: 20px 0; font-size: 14px; color: var(--text-sub); }
        .breadcrumb a:hover { color: var(--primary); }
        
        .article-container { background: var(--bg-white); padding: 40px; border-radius: var(--radius-md); box-shadow: var(--shadow-sm); margin-bottom: 40px; }
        .article-header { margin-bottom: 30px; border-bottom: 1px solid var(--border-color); padding-bottom: 20px; }
        .article-title { font-size: 32px; color: #111; margin-bottom: 15px; line-height: 1.4; }
        .article-meta { display: flex; flex-wrap: wrap; gap: 20px; color: var(--text-sub); font-size: 14px; align-items: center; }
        .article-meta span { display: inline-flex; align-items: center; }
        .article-tags { color: var(--primary); font-weight: 500; }
        
        .article-content { font-size: 16px; color: #333; overflow-wrap: break-word; }
        .article-content p { margin-bottom: 20px; }
        .article-content h2, .article-content h3 { margin: 30px 0 15px; color: var(--text-main); }
        
        .article-nav { display: flex; justify-content: space-between; margin-top: 50px; padding-top: 20px; border-top: 1px solid var(--border-color); font-size: 15px; }
        .article-nav a { color: var(--primary); font-weight: 500; }
        .article-nav a:hover { text-decoration: underline; }
        
        .related-section { margin-top: 60px; margin-bottom: 60px; }
        .related-section h3 { font-size: 24px; margin-bottom: 20px; border-left: 4px solid var(--primary); padding-left: 10px; }
        .related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
        .article-card { background: var(--bg-white); border-radius: 8px; overflow: hidden; box-shadow: var(--shadow-sm); display: flex; flex-direction: column; }
        .article-card:hover { transform: translateY(-3px); box-shadow: 0 8px 15px rgba(0,0,0,0.05); }
        .card-img { position: relative; width: 100%; padding-top: 60%; }
        .card-img img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; }
        .card-body { padding: 15px; flex-grow: 1; display: flex; flex-direction: column; }
        .card-title { font-size: 16px; font-weight: 600; margin-bottom: 8px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .card-title a:hover { color: var(--primary); }
        .card-meta { margin-top: auto; font-size: 12px; color: #888; display: flex; justify-content: space-between; }
        
        .site-footer { background: #1a221d; color: #a0aab2; padding: 60px 0 30px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 50px; margin-bottom: 40px; max-width:1200px; margin-left:auto; margin-right:auto; padding:0 20px;}
        .footer-brand .logo span { color: #fff; }
        .footer-title { color: #fff; font-size: 18px; margin-bottom: 24px; }
        .footer-links ul { list-style: none; }
        .footer-links ul li { margin-bottom: 12px; }
        .footer-bottom { border-top: 1px solid #2a342e; padding-top: 30px; text-align: center; }
        
        .drawer-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); z-index: 998; opacity: 0; visibility: hidden; }
        .drawer-overlay.active { opacity: 1; visibility: visible; }
        .drawer-nav { position: fixed; top: 0; left: -320px; width: 300px; height: 100%; background: var(--bg-white); z-index: 999; transition: left 0.4s; display: flex; flex-direction: column; }
        .drawer-nav.active { left: 0; }
        .drawer-header { padding: 20px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--border-color); }
        .drawer-close { background: none; border: none; font-size: 28px; cursor: pointer; }
        .drawer-menu { padding: 20px; overflow-y: auto; }
        .drawer-menu a { display: block; padding: 15px 0; border-bottom: 1px solid var(--bg-body); }
        
        @media (max-width: 900px) { .related-grid { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 768px) { .main-nav, .header-actions { display: none; } .menu-toggle { display: flex; } .article-container { padding: 20px; } .article-title { font-size: 24px; } .related-grid, .footer-grid { grid-template-columns: 1fr; } .article-nav { flex-direction: column; gap: 15px; } }