:root {
            --primary: rgb(15,118,110);
            --primary-light: rgba(15,118,110,0.08);
            --bg-color: #f8fafc;
            --text-main: #0f172a;
            --text-muted: #64748b;
            --border-color: #e2e8f0;
            --white: #ffffff;
            --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: -apple-system, sans-serif; background-color: var(--bg-color); color: var(--text-main); line-height: 1.6; }
        a { text-decoration: none; color: inherit; transition: all 0.3s; }
        .container { width: 100%; 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(--primary); white-space: nowrap; }
        
        .site-header { background: var(--white); box-shadow: var(--shadow-sm); position: sticky; top: 0; z-index: 1000; padding: 15px 0; }
        .header-inner { display: flex; justify-content: space-between; align-items: center; }
        .nav-desktop { display: none; }
        .nav-desktop a { font-size: 16px; font-weight: 500; padding: 8px 12px; border-radius: 6px; }
        .nav-desktop a:hover { color: var(--primary); background: var(--primary-light); }
        .menu-toggle { display: block; background: none; border: none; font-size: 24px; cursor: pointer; }
        @media(min-width: 768px) { .nav-desktop { display: flex; gap: 15px; align-items: center; } .menu-toggle { display: none; } }

        .drawer-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 2000; opacity: 0; visibility: hidden; transition: all 0.3s; }
        .drawer-overlay.active { opacity: 1; visibility: visible; }
        .drawer-content { position: absolute; top: 0; left: -300px; width: 280px; height: 100%; background: var(--white); transition: left 0.3s ease; display: flex; flex-direction: column; }
        .drawer-overlay.active .drawer-content { left: 0; }
        .drawer-header { padding: 20px; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; }
        .drawer-close { background: none; border: none; font-size: 24px; cursor: pointer; }
        .drawer-nav { padding: 20px; overflow-y: auto; flex: 1; display: flex; flex-direction: column; gap: 15px; }
        .drawer-nav a { display: block; padding: 12px 15px; background: var(--bg-color); border-radius: 8px; font-weight: 500; }

        .tag-hero { padding: 60px 0; background: var(--white); border-bottom: 1px solid var(--border-color); text-align: center; }
        .tag-hero h1 { font-size: 36px; color: var(--text-main); margin-bottom: 15px; }
        .tag-hero p { font-size: 16px; color: var(--text-muted); max-width: 600px; margin: 0 auto; }

        .tag-content { padding: 80px 0; }
        .tag-cloud { display: flex; flex-wrap: wrap; gap: 15px; justify-content: center; }
        .tag-item { background: var(--white); border: 1px solid var(--border-color); padding: 12px 25px; border-radius: 30px; font-size: 16px; display: inline-flex; align-items: center; gap: 8px; box-shadow: var(--shadow-sm); }
        .tag-item:hover { border-color: var(--primary); background: var(--primary-light); color: var(--primary); transform: translateY(-2px); }
        .tag-count { background: #f1f5f9; color: var(--text-muted); padding: 2px 8px; border-radius: 12px; font-size: 12px; }

        .site-footer { background: #0f172a; color: #cbd5e1; padding: 60px 0 20px; }
        .footer-grid { display: grid; grid-template-columns: 1fr; gap: 40px; margin-bottom: 40px; }
        @media(min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
        .footer-brand .logo span { color: #fff; }
        .footer-links h3 { color: #fff; font-size: 18px; margin-bottom: 20px; }
        .footer-links ul { list-style:none; display: flex; flex-direction: column; gap: 12px; }
        .footer-links a { color: #94a3b8; font-size: 14px; }
        .footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid #1e293b; font-size: 14px; }