:root { --primary: rgb(67,56,202); --primary-hover: rgb(55,46,180); --primary-light: rgba(67,56,202, 0.05); --text-dark: #1e293b; --text-main: #334155; --text-muted: #64748b; --bg-body: #f8fafc; --bg-white: #ffffff; --border-color: #e2e8f0; --shadow-sm: 0 1px 3px rgba(0,0,0,0.1); --radius: 8px; }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'PingFang SC', sans-serif; background: var(--bg-body); color: var(--text-main); line-height: 1.6; }
        a { text-decoration: none; color: inherit; transition: 0.3s; }
        img { max-width: 100%; height: auto; display: block; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        
        
        .site-header { background: var(--bg-white); box-shadow: var(--shadow-sm); position: sticky; top: 0; z-index: 100; }
        .header-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
        .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: 20px; font-weight: 800; line-height: 1; color: var(--primary); white-space: nowrap; }
        .desktop-nav { display: flex; gap: 30px; align-items: center; }
        .desktop-nav a { font-size: 16px; font-weight: 500; color: var(--text-dark); position: relative; }
        .mobile-toggle { display: none; font-size: 24px; cursor: pointer; color: var(--text-dark); }
        
        
        .drawer-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 999; opacity: 0; visibility: hidden; transition: 0.3s; }
        .drawer-overlay.active { opacity: 1; visibility: visible; }
        .drawer { position: fixed; top: 0; left: 0; bottom: 0; width: 280px; background: var(--bg-white); z-index: 1000; transform: translateX(-100%); transition: 0.3s; display: flex; flex-direction: column; }
        .drawer.active { transform: translateX(0); }
        .drawer-header { padding: 20px; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; }
        .drawer-close { font-size: 24px; cursor: pointer; color: var(--text-muted); }
        .drawer-nav { padding: 20px; overflow-y: auto; flex: 1; }
        .drawer-nav a { display: block; padding: 12px 0; font-size: 16px; border-bottom: 1px solid var(--primary-light); }

        
        .page-header { background: linear-gradient(135deg, #1e293b, var(--primary)); color: #fff; padding: 60px 0; text-align: center; margin-bottom: 40px; }
        .page-title { font-size: 36px; font-weight: 800; margin-bottom: 15px; }
        .page-desc { font-size: 16px; opacity: 0.9; max-width: 600px; margin: 0 auto; }

        .tag-cloud-container { background: var(--bg-white); padding: 40px; border-radius: var(--radius); box-shadow: var(--shadow-sm); margin-bottom: 60px; min-height: 400px; }
        .tag-intro { text-align: center; margin-bottom: 30px; color: var(--text-muted); }
        
        .tag-grid { display: flex; flex-wrap: wrap; gap: 15px; justify-content: center; }
        .tag-item { display: inline-flex; align-items: center; background: var(--primary-light); border: 1px solid rgba(67,56,202,0.1); padding: 10px 20px; border-radius: 30px; transition: all 0.3s; }
        .tag-item:hover { background: var(--primary); transform: translateY(-3px); box-shadow: 0 5px 15px rgba(67,56,202,0.3); }
        .tag-item:hover .tag-name, .tag-item:hover .tag-count { color: #fff; }
        .tag-name { font-size: 16px; font-weight: 600; color: var(--primary); margin-right: 8px; }
        .tag-count { font-size: 12px; color: var(--text-muted); background: rgba(255,255,255,0.5); padding: 2px 8px; border-radius: 10px; }

        
        .site-footer { background: #0f172a; color: #cbd5e1; padding: 60px 0 30px; }
        .footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 40px; margin-bottom: 40px; }
        .footer-logo span { color: #fff; }
        .footer-title { font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 20px; }
        .footer-nav li { margin-bottom: 10px; }
        .footer-nav a:hover { color: var(--primary); }
        .footer-bottom { border-top: 1px solid #334155; padding-top: 30px; text-align: center; font-size: 14px; display: flex; flex-wrap: wrap; justify-content: space-between; }

        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .mobile-toggle { display: block; }
            .tag-cloud-container { padding: 20px; }
        }