:root { --primary: rgb(94,92,230); --text-main: #1a202c; --text-sub: #4a5568; --bg-body: #f7fafc; --border: #e2e8f0; --radius: 12px; }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: sans-serif; background: var(--bg-body); color: var(--text-main); line-height: 1.8; }
        a { text-decoration: none; color: inherit; }
        img { max-width: 100%; height: auto; display: block; border-radius: 8px; }
        .container { max-width: 1000px; 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; }
        .site-header { background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(10px); position: sticky; top: 0; z-index: 100; border-bottom: 1px solid var(--border); box-shadow: 0 1px 3px rgba(0,0,0,0.05); }
        .header-inner { display: flex; justify-content: space-between; align-items: center; height: 80px; }
        .desktop-nav { display: flex; gap: 30px; align-items: center; }
        .desktop-nav a { font-weight: 500; color: var(--text-sub); }
        .desktop-nav a:hover { color: var(--primary); }
        .header-action { display: flex; align-items: center; gap: 15px; }
        .btn { display: inline-flex; align-items: center; padding: 10px 24px; border-radius: 8px; font-weight: 600; cursor: pointer; }
        .btn-primary { background: var(--primary); color: #fff; }
        .menu-toggle { display: none; cursor: pointer; }
        .drawer-mask { position: fixed; inset: 0; background: rgba(0,0,0,0.5); opacity: 0; visibility: hidden; z-index: 998; }
        .drawer-mask.active { opacity: 1; visibility: visible; }
        .drawer { position: fixed; top: 0; left: -300px; width: 280px; height: 100vh; background: #fff; z-index: 999; transition: 0.3s; display: flex; flex-direction: column; }
        .drawer.active { left: 0; }
        .drawer-header { padding: 20px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; }
        .drawer-nav { padding: 20px; flex: 1; }
        .drawer-nav a { display: block; padding: 15px 0; border-bottom: 1px solid var(--border); }
        .site-footer { background: #1a202c; color: #a0aec0; padding: 80px 0 30px; margin-top: 60px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 60px; margin-bottom: 60px; }
        .footer-logo span { color: #fff; }
        ul { list-style: none; }

        
        .breadcrumb { padding: 20px 0; font-size: 14px; color: var(--text-sub); }
        .breadcrumb a:hover { color: var(--primary); }
        .article-wrap { background: #fff; padding: 50px; border-radius: var(--radius); box-shadow: 0 4px 20px rgba(0,0,0,0.03); margin-bottom: 40px; }
        .article-header { margin-bottom: 30px; text-align: center; border-bottom: 1px solid var(--border); padding-bottom: 30px; }
        .article-title { font-size: 36px; font-weight: 700; color: var(--text-main); line-height: 1.4; margin-bottom: 20px; }
        .article-meta { display: flex; justify-content: center; gap: 20px; font-size: 14px; color: var(--text-sub); flex-wrap: wrap; }
        .article-meta span { display: inline-flex; align-items: center; gap: 5px; }
        .article-tags { margin-top: 15px; }
        .article-tags a { display: inline-block; padding: 4px 12px; background: rgba(94,92,230,0.08); color: var(--primary); border-radius: 4px; font-size: 13px; margin: 0 5px; }
        
        .article-body { font-size: 16px; color: #333; line-height: 1.9; }
        .article-body p { margin-bottom: 20px; }
        .article-body h2, .article-body h3 { margin: 30px 0 15px; color: var(--text-main); }
        .article-body ul, .article-body ol { margin-bottom: 20px; padding-left: 20px; }
        .article-body blockquote { border-left: 4px solid var(--primary); padding-left: 15px; color: var(--text-sub); background: var(--bg-body); padding: 15px; margin-bottom: 20px; border-radius: 0 8px 8px 0; }
        
        .article-nav { display: flex; justify-content: space-between; margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--border); font-size: 15px; }
        .article-nav a { color: var(--primary); font-weight: 500; }
        
        .related-section { margin-top: 60px; }
        .related-title { font-size: 24px; margin-bottom: 20px; border-left: 4px solid var(--primary); padding-left: 15px; }
        .related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
        .related-card { background: #fff; border-radius: 8px; overflow: hidden; border: 1px solid var(--border); }
        .related-card img { border-radius: 0; width: 100%; aspect-ratio: 16/10; object-fit: cover; }
        .related-info { padding: 15px; }
        .related-info h4 { font-size: 15px; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

        @media (max-width: 768px) {
            .desktop-nav, .header-action .btn { display: none; }
            .menu-toggle { display: block; }
            .article-wrap { padding: 20px; }
            .article-title { font-size: 26px; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
        }