:root { --primary: rgb(15,157,88); --text-main: #333333; --text-muted: #666666; --bg-body: #f8f9fa; --bg-white: #ffffff; --border-color: #eaeaea; }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: sans-serif; color: var(--text-main); background-color: var(--bg-body); line-height: 1.8; }
        a { text-decoration: none; color: inherit; transition: color 0.2s; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        
        
        .site-header { background: var(--bg-white); box-shadow: 0 2px 8px rgba(0,0,0,0.04); position: sticky; top: 0; z-index: 100; }
        .header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
        .logo { display: inline-flex; align-items: center; gap: 12px; }
        .logo img { display: block; height: 36px; max-width: 160px; object-fit: contain; }
        .logo span { font-size: 20px; font-weight: 800; color: var(--text-main); white-space: nowrap; }
        .desktop-nav { display: flex; gap: 30px; }
        .desktop-nav a:hover { color: var(--primary); }
        .header-action .btn-primary { background: var(--primary); color: #fff; padding: 8px 20px; border-radius: 6px; }
        .mobile-menu-toggle { display: none; background: none; border: none; font-size: 24px; }
        .mobile-drawer { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 1000; visibility: hidden; pointer-events: none; }
        .mobile-drawer.active { visibility: visible; pointer-events: auto; }
        .drawer-overlay { position: absolute; top:0; left:0; width:100%; height:100%; background:rgba(0,0,0,0.5); }
        .drawer-content { position: absolute; top:0; left:-300px; width:280px; height:100%; background:#fff; transition: left 0.3s; }
        .mobile-drawer.active .drawer-content { left: 0; }
        .drawer-header { padding: 20px; border-bottom: 1px solid #eee; display: flex; justify-content: space-between;}
        .drawer-nav a { display: block; padding: 15px 20px; border-bottom: 1px solid #eee; }

        
        .article-layout { display: flex; gap: 40px; margin: 40px auto; align-items: flex-start; }
        .article-main { flex: 1; background: var(--bg-white); padding: 40px; border-radius: 12px; box-shadow: 0 2px 10px rgba(0,0,0,0.02); }
        .article-sidebar { width: 320px; flex-shrink: 0; }
        
        .breadcrumb { font-size: 14px; color: var(--text-muted); margin-bottom: 24px; }
        .article-title { font-size: 32px; font-weight: 800; line-height: 1.4; margin-bottom: 20px; }
        .article-meta { display: flex; flex-wrap: wrap; gap: 20px; font-size: 14px; color: #888; padding-bottom: 20px; border-bottom: 1px solid var(--border-color); margin-bottom: 30px; }
        .article-meta span { display: flex; align-items: center; gap: 6px; }
        
        .article-content { font-size: 16px; color: #444; overflow-wrap: break-word; }
        .article-content p { margin-bottom: 20px; }
        .article-content img { max-width: 100%; height: auto; border-radius: 8px; margin: 20px 0; }
        .article-content h2, .article-content h3 { margin: 30px 0 15px; color: #111; }
        
        .article-tags { margin-top: 40px; padding-top: 20px; border-top: 1px dashed var(--border-color); display: flex; align-items: center; gap: 10px; }
        .article-tags span { color: var(--text-muted); font-size: 14px; }
        .article-tags a { padding: 4px 12px; background: rgba(15,157,88,0.1); color: var(--primary); border-radius: 4px; font-size: 14px; }
        .article-tags a:hover { background: var(--primary); color: #fff; }

        .article-nav { display: flex; justify-content: space-between; margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--border-color); font-size: 14px; }
        .article-nav a:hover { color: var(--primary); }
        
        .related-box { margin-top: 50px; }
        .related-title { font-size: 20px; font-weight: 700; margin-bottom: 20px; border-left: 4px solid var(--primary); padding-left: 12px; }
        .related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
        .related-card { display: flex; gap: 15px; background: var(--bg-white); padding: 15px; border-radius: 8px; border: 1px solid var(--border-color); }
        .related-card img { width: 100px; height: 70px; object-fit: cover; border-radius: 4px; }
        .related-card h4 { font-size: 15px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

        .sidebar-widget { background: var(--bg-white); padding: 24px; border-radius: 12px; margin-bottom: 30px; box-shadow: 0 2px 10px rgba(0,0,0,0.02); }
        .widget-title { font-size: 18px; font-weight: 700; margin-bottom: 15px; }

        .site-footer { background: #1a1a1a; color: #999; padding: 60px 0 20px; margin-top: 40px;}
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
        .footer-brand .logo span { color: #fff; }

        @media (max-width: 992px) {
            .desktop-nav, .header-action .btn-primary { display: none; }
            .mobile-menu-toggle { display: block; }
            .article-layout { flex-direction: column; }
            .article-main { padding: 20px; }
            .article-sidebar { width: 100%; }
        }
        @media (max-width: 768px) {
            .related-grid { grid-template-columns: 1fr; }
            .article-title { font-size: 24px; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }