:root {
            --primary-color: rgb(37,99,235);
            --primary-hover: rgb(29,78,216);
            --primary-light: rgba(37,99,235,0.1);
            --text-main: #1e293b;
            --text-muted: #64748b;
            --bg-body: #f8fafc;
            --bg-card: #ffffff;
            --border-color: #e2e8f0;
            --container-width: 1200px;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; background-color: var(--bg-body); color: var(--text-main); line-height: 1.6; }
        a { text-decoration: none; color: inherit; }
        ul { list-style: none; }
        img { max-width: 100%; height: auto; display: block; }
        
        .container { max-width: var(--container-width); margin: 0 auto; padding: 0 20px; }
        
        
        .site-header { background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,0.05); 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: 36px; 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(--text-main); white-space: nowrap; }
        
        
        .desktop-nav ul { display: flex; gap: 30px; }
        .desktop-nav a { font-weight: 500; font-size: 15px; color: var(--text-main); transition: color 0.3s; }
        .desktop-nav a:hover { color: var(--primary-color); }
        .header-actions { display: flex; align-items: center; gap: 15px; }
        .btn-primary { background: var(--primary-color); color: #fff; padding: 10px 24px; border-radius: 6px; font-weight: 600; transition: background 0.3s; display: inline-block; text-align: center; }
        .btn-primary:hover { background: var(--primary-hover); color: #fff; }
        .btn-outline { border: 1px solid var(--primary-color); color: var(--primary-color); padding: 10px 24px; border-radius: 6px; font-weight: 600; transition: all 0.3s; display: inline-block; }
        .btn-outline:hover { background: var(--primary-color); color: #fff; }
        
        
        .menu-toggle { display: none; background: none; border: none; font-size: 24px; cursor: pointer; color: var(--text-main); }
        .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-menu { position: fixed; top: 0; left: -300px; bottom: 0; width: 280px; background: #fff; z-index: 1000; transition: 0.3s; box-shadow: 2px 0 8px rgba(0,0,0,0.1); display: flex; flex-direction: column; }
        .drawer-menu.active { left: 0; }
        .drawer-header { padding: 20px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--border-color); }
        .drawer-close { background: none; border: none; font-size: 24px; cursor: pointer; color: var(--text-muted); }
        .drawer-nav { padding: 20px; overflow-y: auto; flex: 1; }
        .drawer-nav li { margin-bottom: 15px; }
        .drawer-nav a { display: block; font-size: 16px; font-weight: 500; color: var(--text-main); padding: 8px 0; border-bottom: 1px dashed var(--border-color); }
        
        
        .hero { padding: 80px 0; background: linear-gradient(135deg, #e0e7ff 0%, #ffffff 100%); overflow: hidden; }
        .hero-inner { display: flex; align-items: center; gap: 50px; }
        .hero-content { flex: 1; }
        .hero-tag { display: inline-block; padding: 4px 12px; background: var(--primary-light); color: var(--primary-color); border-radius: 20px; font-size: 14px; font-weight: 600; margin-bottom: 20px; }
        .hero-title { font-size: 48px; font-weight: 800; line-height: 1.2; margin-bottom: 20px; color: var(--text-main); }
        .hero-title span { color: var(--primary-color); }
        .hero-desc { font-size: 18px; color: var(--text-muted); margin-bottom: 30px; line-height: 1.8; }
        .hero-actions { display: flex; gap: 15px; }
        .hero-image { flex: 1; position: relative; }
        .hero-image img { border-radius: 12px; box-shadow: 0 20px 40px rgba(0,0,0,0.1); width: 100%; object-fit: cover; }
        .hero-stat-card { position: absolute; bottom: -20px; left: -20px; background: #fff; padding: 20px; border-radius: 12px; box-shadow: 0 10px 25px rgba(0,0,0,0.08); display: flex; align-items: center; gap: 15px; }
        .stat-icon { width: 48px; height: 48px; background: var(--primary-light); color: var(--primary-color); border-radius: 50%; display: flex; align-items: center; justify-content: center; }
        .stat-info h4 { font-size: 24px; font-weight: 800; margin: 0; line-height: 1; }
        .stat-info p { font-size: 13px; color: var(--text-muted); margin: 5px 0 0; }
        
        
        .features { padding: 80px 0; background: #fff; }
        .section-header { text-align: center; margin-bottom: 50px; }
        .section-header h2 { font-size: 32px; font-weight: 700; margin-bottom: 15px; }
        .section-header p { font-size: 16px; color: var(--text-muted); max-width: 600px; margin: 0 auto; }
        .feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
        .feature-card { padding: 40px 30px; border-radius: 12px; border: 1px solid var(--border-color); background: var(--bg-card); transition: transform 0.3s, box-shadow 0.3s; }
        .feature-card:hover { transform: translateY(-5px); box-shadow: 0 15px 30px rgba(0,0,0,0.05); border-color: var(--primary-light); }
        .feature-icon { width: 60px; height: 60px; background: var(--primary-light); border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 25px; color: var(--primary-color); }
        .feature-icon svg { width: 32px; height: 32px; }
        .feature-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 15px; }
        .feature-card p { color: var(--text-muted); font-size: 15px; line-height: 1.7; }
        
        
        .articles { padding: 80px 0; background: var(--bg-body); }
        .article-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .article-card { background: #fff; border-radius: 12px; overflow: hidden; box-shadow: 0 4px 6px rgba(0,0,0,0.02); border: 1px solid var(--border-color); transition: all 0.3s; display: flex; flex-direction: column; }
        .article-card:hover { box-shadow: 0 12px 24px rgba(0,0,0,0.08); transform: translateY(-3px); }
        .article-thumb { position: relative; padding-top: 56.25%; overflow: hidden; }
        .article-thumb img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
        .article-card:hover .article-thumb img { transform: scale(1.05); }
        .article-tag-abs { position: absolute; top: 12px; left: 12px; background: var(--primary-color); color: #fff; font-size: 12px; padding: 4px 10px; border-radius: 4px; font-weight: 500; }
        .article-content { padding: 20px; flex: 1; display: flex; flex-direction: column; }
        .article-title { font-size: 18px; font-weight: 700; margin-bottom: 10px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .article-title a { transition: color 0.3s; }
        .article-title a:hover { color: var(--primary-color); }
        .article-desc { font-size: 14px; color: var(--text-muted); margin-bottom: 15px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; flex: 1; }
        .article-meta { display: flex; align-items: center; justify-content: space-between; font-size: 12px; color: #94a3b8; border-top: 1px solid var(--border-color); padding-top: 15px; margin-top: auto; }
        .meta-left { display: flex; align-items: center; gap: 10px; }
        
        
        .cta { padding: 80px 0; background: var(--primary-color); color: #fff; text-align: center; position: relative; overflow: hidden; }
        .cta-inner { position: relative; z-index: 2; max-width: 700px; margin: 0 auto; }
        .cta h2 { font-size: 36px; font-weight: 800; margin-bottom: 20px; }
        .cta p { font-size: 18px; opacity: 0.9; margin-bottom: 30px; }
        .cta .btn-outline { border-color: #fff; color: var(--primary-color); background: #fff; }
        .cta .btn-outline:hover { background: transparent; color: #fff; }
        
        
        .site-footer { background: #0f172a; color: #cbd5e1; padding: 60px 0 30px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
        .footer-brand .logo span { color: #fff; }
        .footer-desc { margin-top: 20px; font-size: 14px; line-height: 1.8; color: #94a3b8; max-width: 300px; }
        .footer-widget h4 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 20px; }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a { font-size: 14px; color: #94a3b8; transition: color 0.3s; }
        .footer-links a:hover { color: var(--primary-color); }
        .footer-bottom { border-top: 1px solid #1e293b; padding-top: 30px; display: flex; justify-content: space-between; align-items: center; font-size: 14px; color: #64748b; }
        .footer-bottom-links { display: flex; gap: 20px; }
        
        @media (max-width: 1024px) {
            .hero-inner { flex-direction: column; text-align: center; }
            .hero-actions { justify-content: center; }
            .hero-stat-card { bottom: 20px; left: 50%; transform: translateX(-50%); }
            .feature-grid { grid-template-columns: repeat(2, 1fr); }
            .article-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .desktop-nav, .header-actions { display: none; }
            .menu-toggle { display: block; }
            .hero-title { font-size: 32px; }
            .feature-grid { grid-template-columns: 1fr; }
            .article-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; gap: 15px; text-align: center; }
        }