:root { --primary: rgb(101,163,13); --primary-hover: rgb(77,124,10); --bg-light: #f4f9f0; --text-main: #1f2937; --text-sub: #4b5563; --border: #e5e7eb; --white: #ffffff; }
        * { margin: 0; padding: 0; box-sizing: border-box; font-family: system-ui, -apple-system, sans-serif; }
        body { color: var(--text-main); line-height: 1.6; background: #fafafa; }
        a { text-decoration: none; color: inherit; }
        img { max-width: 100%; height: auto; display: block; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        
        .header { background: var(--white); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; height: 70px; display: flex; align-items: center; box-shadow: 0 2px 10px rgba(0,0,0,0.02); }
        .header .container { display: flex; justify-content: space-between; align-items: center; width: 100%; }
        .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: #111; white-space: nowrap; }
        .desktop-nav { display: flex; gap: 30px; align-items: center; }
        .desktop-nav a { font-weight: 500; color: var(--text-main); transition: color 0.3s; font-size: 15px; }
        .desktop-nav a:hover { color: var(--primary); }
        .menu-toggle { display: none; cursor: pointer; color: var(--text-main); }
        
        .drawer-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 200; opacity: 0; visibility: hidden; transition: 0.3s; }
        .drawer { position: fixed; top: 0; left: -300px; width: 280px; height: 100%; background: var(--white); z-index: 201; transition: 0.3s; display: flex; flex-direction: column; box-shadow: 2px 0 10px rgba(0,0,0,0.1); }
        .drawer.open { left: 0; }
        .drawer-overlay.open { opacity: 1; visibility: visible; }
        .drawer-header { display: flex; justify-content: space-between; align-items: center; padding: 20px; border-bottom: 1px solid var(--border); }
        .drawer-close { background: none; border: none; font-size: 28px; cursor: pointer; color: var(--text-sub); }
        .drawer-nav { padding: 20px; display: flex; flex-direction: column; gap: 20px; overflow-y: auto; }
        .drawer-nav a { font-size: 16px; font-weight: 500; color: var(--text-main); }
        
        .page-header { background: var(--white); padding: 60px 0; border-bottom: 1px solid var(--border); margin-bottom: 40px; text-align: center; }
        .page-header h1 { font-size: 36px; font-weight: 800; color: #111; margin-bottom: 16px; }
        .page-header p { font-size: 16px; color: var(--text-sub); max-width: 600px; margin: 0 auto; }
        
        .tag-cloud-container { background: var(--white); padding: 50px; border-radius: 16px; border: 1px solid var(--border); box-shadow: 0 10px 30px rgba(0,0,0,0.02); margin-bottom: 80px; }
        .tag-cloud { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
        .tag-item { display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px; background: var(--bg-light); border: 1px solid rgba(101,163,13,0.2); border-radius: 30px; font-size: 15px; color: var(--primary); transition: all 0.3s; }
        .tag-item span { background: rgba(101,163,13,0.1); padding: 2px 8px; border-radius: 12px; font-size: 12px; }
        .tag-item:hover { background: var(--primary); color: #fff; transform: translateY(-3px); box-shadow: 0 6px 15px rgba(101,163,13,0.2); border-color: var(--primary); }
        .tag-item:hover span { background: rgba(255,255,255,0.2); color: #fff; }
        
        .footer { background: #111827; color: #9ca3af; padding: 80px 0 30px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 50px; margin-bottom: 50px; }
        .footer-brand .logo span { color: var(--white); }
        .footer-desc { margin-top: 24px; font-size: 14px; line-height: 1.8; }
        .footer-title { color: var(--white); font-size: 16px; font-weight: 600; margin-bottom: 24px; }
        .footer-links { list-style: none; display: flex; flex-direction: column; gap: 14px; }
        .footer-links a { transition: color 0.3s; font-size: 14px; }
        .footer-links a:hover { color: var(--primary); }
        .footer-bottom { border-top: 1px solid #374151; padding-top: 24px; display: flex; justify-content: space-between; font-size: 14px; }
        
        @media(max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media(max-width: 768px) {
            .desktop-nav { display: none; }
            .menu-toggle { display: block; }
            .tag-cloud-container { padding: 30px 20px; }
            .footer-grid { grid-template-columns: 1fr; gap: 30px; }
            .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
        }