:root {
            --primary: rgb(245, 158, 11);
            --primary-hover: rgb(217, 119, 6);
            --primary-light: rgba(245, 158, 11, 0.1);
            --bg-body: #f8fafc;
            --bg-surface: #ffffff;
            --bg-dark: #0f172a;
            --text-main: #0f172a;
            --text-muted: #64748b;
            --border-color: #e2e8f0;
            --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --radius-md: 8px;
            --radius-lg: 16px;
        }
        * { 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; transition: color 0.3s ease; }
        ul, ol { list-style: none; }
        img { max-width: 100%; height: auto; display: block; }
        .container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }
        
        
        .logo { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
        .logo img { display: block; height: 44px; width: auto; max-width: 180px; object-fit: contain; flex-shrink: 0; }
        .logo span { display: inline-block; font-size: 22px; font-weight: 800; line-height: 1; color: var(--text-main); white-space: nowrap; letter-spacing: 0.5px;}
        .drawer-header .logo span, .footer-brand .logo span { color: var(--text-main); }
        .header-dark .logo span { color: #fff; }

        
        .header { background: var(--bg-dark); color: #fff; position: sticky; top: 0; z-index: 50; box-shadow: var(--shadow-sm); border-bottom: 2px solid var(--primary); }
        .nav-wrapper { display: flex; align-items: center; justify-content: space-between; height: 80px; }
        .header .logo span { color: #fff; }
        .desktop-nav ul { display: flex; gap: 32px; }
        .desktop-nav a { font-size: 16px; font-weight: 500; color: #cbd5e1; }
        .desktop-nav a:hover { color: var(--primary); }
        .header-actions { display: none; }
        
        
        .menu-btn, .close-btn { background: none; border: none; color: inherit; cursor: pointer; display: flex; align-items: center; justify-content: center; }
        .drawer-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.6); backdrop-filter: blur(4px); opacity: 0; visibility: hidden; transition: 0.3s; z-index: 99; }
        .drawer { position: fixed; top: 0; left: -320px; width: 300px; height: 100vh; background: var(--bg-surface); box-shadow: var(--shadow-lg); transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1); z-index: 100; display: flex; flex-direction: column; }
        .drawer.active { left: 0; }
        .drawer-overlay.active { opacity: 1; visibility: visible; }
        .drawer-header { padding: 24px 20px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--border-color); }
        .drawer-body { padding: 20px; overflow-y: auto; flex: 1; }
        .drawer-nav li { border-bottom: 1px solid #f1f5f9; }
        .drawer-nav a { display: block; padding: 16px 0; font-size: 16px; font-weight: 600; color: var(--text-main); }
        .drawer-nav a:hover { color: var(--primary); padding-left: 8px; }

        
        .btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 28px; border-radius: var(--radius-md); font-weight: 600; cursor: pointer; transition: all 0.3s; text-align: center; }
        .btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(245, 158, 11, 0.4); }
        .btn-primary:hover { background: var(--primary-hover); transform: translateY(-2px); }
        .btn-outline { background: transparent; border: 2px solid var(--primary); color: var(--primary); }
        .btn-outline:hover { background: var(--primary); color: #fff; }

        
        .hero { position: relative; background: linear-gradient(135deg, var(--bg-dark) 0%, #1e293b 100%); color: #fff; padding: 80px 0 100px; overflow: hidden; }
        .hero::after { content: ''; position: absolute; right: 0; bottom: 0; width: 600px; height: 600px; background: radial-gradient(circle, var(--primary-light) 0%, transparent 70%); border-radius: 50%; transform: translate(30%, 30%); pointer-events: none; }
        .hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; z-index: 10; }
        .hero-content h1 { font-size: 48px; line-height: 1.2; margin-bottom: 24px; font-weight: 800; }
        .hero-content h1 span { color: var(--primary); }
        .hero-content p { font-size: 18px; color: #94a3b8; margin-bottom: 40px; max-width: 90%; }
        .hero-actions { display: flex; gap: 20px; }
        .hero-image { position: relative; }
        .hero-image img { border-radius: var(--radius-lg); box-shadow: 0 20px 40px rgba(0,0,0,0.4); transform: perspective(1000px) rotateY(-5deg); border: 1px solid rgba(255,255,255,0.1); }
        
        
        .stats-bar { background: var(--bg-surface); padding: 40px 0; margin-top: -40px; position: relative; z-index: 20; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); text-align: center; gap: 24px; }
        .stat-item h4 { font-size: 32px; color: var(--primary); font-weight: 800; margin-bottom: 8px; }
        .stat-item p { font-size: 14px; color: var(--text-muted); font-weight: 500; }

        
        .sec-title { text-align: center; margin-bottom: 50px; }
        .sec-title h2 { font-size: 36px; font-weight: 800; margin-bottom: 16px; position: relative; display: inline-block; }
        .sec-title h2::after { content: ''; position: absolute; bottom: -8px; left: 50%; transform: translateX(-50%); width: 60px; height: 4px; background: var(--primary); border-radius: 2px; }
        .sec-title p { color: var(--text-muted); font-size: 16px; }

        
        .features { padding: 100px 0; background: var(--bg-body); }
        .features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
        .feature-card { background: var(--bg-surface); padding: 40px 30px; border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); transition: 0.3s; text-align: center; border: 1px solid var(--border-color); }
        .feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--primary); }
        .feature-icon { width: 70px; height: 70px; background: var(--primary-light); color: var(--primary); border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; margin-bottom: 24px; }
        .feature-icon svg { width: 32px; height: 32px; }
        .feature-card h3 { font-size: 22px; margin-bottom: 16px; font-weight: 700; }
        .feature-card p { color: var(--text-muted); }

        
        .articles-sec { padding: 100px 0; background: var(--bg-surface); }
        .articles-wrapper { display: grid; grid-template-columns: 1fr 350px; gap: 40px; }
        @media (max-width: 1024px) { .articles-wrapper { grid-template-columns: 1fr; } }
        .article-card { display: flex; gap: 20px; padding: 20px; border-radius: var(--radius-md); border: 1px solid var(--border-color); margin-bottom: 20px; transition: 0.3s; background: var(--bg-body); }
        .article-card:hover { box-shadow: var(--shadow-md); border-color: var(--primary); }
        .article-img { width: 160px; height: 120px; border-radius: 6px; object-fit: cover; flex-shrink: 0; }
        .article-info { flex: 1; display: flex; flex-direction: column; justify-content: space-between; }
        .article-title { font-size: 18px; font-weight: 700; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .article-title:hover { color: var(--primary); }
        .article-meta { font-size: 13px; color: var(--text-muted); display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
        .article-meta span { display: inline-flex; align-items: center; gap: 4px; }
        .article-tags { font-size: 12px; color: var(--primary); background: var(--primary-light); padding: 2px 8px; border-radius: 4px; }
        
        .hot-articles { background: var(--bg-body); padding: 24px; border-radius: var(--radius-lg); border: 1px solid var(--border-color); }
        .hot-articles h3 { font-size: 20px; margin-bottom: 20px; padding-bottom: 12px; border-bottom: 2px solid var(--primary); display: inline-block; }
        .hot-list li { margin-bottom: 16px; padding-bottom: 16px; border-bottom: 1px dashed var(--border-color); }
        .hot-list li:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }
        .hot-list a { font-size: 15px; font-weight: 600; line-height: 1.4; display: block; margin-bottom: 8px; }
        .hot-list a:hover { color: var(--primary); }

        
        .cta { background: linear-gradient(rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.9)), url('https://images.unsplash.com/photo-1623227866882-c0059345095e?auto=format&fit=crop&q=80&w=1920') center/cover; padding: 100px 0; text-align: center; color: #fff; }
        .cta h2 { font-size: 40px; font-weight: 800; margin-bottom: 20px; }
        .cta p { font-size: 18px; color: #cbd5e1; margin-bottom: 40px; max-width: 600px; margin-left: auto; margin-right: auto; }

        
        .footer { background: var(--bg-dark); color: #94a3b8; padding: 80px 0 20px; border-top: 4px solid var(--primary); }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 60px; }
        .footer-brand p { margin-top: 20px; line-height: 1.8; font-size: 14px; }
        .footer-links h3, .footer-contact h3 { color: #fff; font-size: 18px; font-weight: 700; margin-bottom: 24px; }
        .footer-links li { margin-bottom: 12px; }
        .footer-links a:hover { color: var(--primary); padding-left: 5px; }
        .footer-contact p { margin-bottom: 12px; font-size: 14px; }
        .social-links { display: flex; gap: 16px; margin-top: 20px; }
        .footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.1); font-size: 14px; }

        @media (max-width: 992px) {
            .hero-grid { grid-template-columns: 1fr; text-align: center; }
            .hero-content p { margin: 0 auto 40px; }
            .hero-actions { justify-content: center; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .features-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .header-actions { display: block; color: #fff; }
            .desktop-nav { display: none; }
            .article-card { flex-direction: column; }
            .article-img { width: 100%; height: 200px; }
            .footer-grid { grid-template-columns: 1fr; }
        }