:root {
            --theme-color: rgb(229,231,235);
            --bg-body: #f4f7f6;
            --bg-surface: #ffffff;
            --primary: #059669; 
            --primary-hover: #047857;
            --secondary: #fbbf24; 
            --text-main: #111827;
            --text-regular: #374151;
            --text-muted: #6b7280;
            --border-light: var(--theme-color);
            --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
            --radius-md: 8px;
            --radius-lg: 12px;
            --container-width: 1200px;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        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; -webkit-font-smoothing: antialiased; }
        a { text-decoration: none; color: inherit; transition: all 0.3s ease; }
        img { max-width: 100%; height: auto; display: block; }
        ul { list-style: none; }
        
        .container { max-width: var(--container-width); margin: 0 auto; padding: 0 20px; }
        
        
        .header { background: var(--bg-surface); border-bottom: 1px solid var(--border-light); position: sticky; top: 0; z-index: 100; box-shadow: var(--shadow-sm); }
        .header-inner { display: flex; justify-content: space-between; align-items: center; 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; letter-spacing: -0.5px; }
        
        .nav-desktop { display: flex; gap: 30px; align-items: center; }
        .nav-desktop a { font-weight: 500; color: var(--text-regular); font-size: 15px; position: relative; }
        .nav-desktop a:hover { color: var(--primary); }
        .nav-desktop a::after { content: ''; position: absolute; bottom: -24px; left: 0; width: 0; height: 3px; background: var(--primary); transition: width 0.3s; }
        .nav-desktop a:hover::after { width: 100%; }
        
        .header-actions { display: flex; gap: 12px; align-items: center; }
        .btn { display: inline-flex; align-items: center; justify-content: center; padding: 10px 24px; border-radius: var(--radius-md); font-weight: 600; cursor: pointer; transition: all 0.3s; font-size: 15px; }
        .btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(5, 150, 105, 0.3); }
        .btn-primary:hover { background: var(--primary-hover); transform: translateY(-1px); }
        .btn-outline { border: 1px solid var(--border-light); color: var(--text-main); background: var(--bg-surface); }
        .btn-outline:hover { border-color: var(--primary); color: var(--primary); }
        
        .menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 5px; }
        .menu-toggle svg { width: 28px; height: 28px; fill: var(--text-main); }
        
        
        .drawer-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 999; opacity: 0; visibility: hidden; transition: opacity 0.3s; }
        .drawer-overlay.active { opacity: 1; visibility: visible; }
        .drawer { position: fixed; top: 0; left: 0; bottom: 0; width: 280px; background: var(--bg-surface); z-index: 1000; transform: translateX(-100%); transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1); display: flex; flex-direction: column; }
        .drawer.active { transform: translateX(0); }
        .drawer-header { padding: 20px; border-bottom: 1px solid var(--border-light); display: flex; justify-content: space-between; align-items: center; }
        .drawer-close { background: none; border: none; cursor: pointer; }
        .drawer-close svg { width: 24px; height: 24px; fill: var(--text-muted); }
        .drawer-nav { padding: 20px 0; overflow-y: auto; flex-grow: 1; }
        .drawer-nav a { display: block; padding: 12px 24px; font-size: 16px; font-weight: 500; color: var(--text-main); border-left: 3px solid transparent; }
        .drawer-nav a:hover { background: var(--bg-body); border-left-color: var(--primary); color: var(--primary); }
        
        
        .hero { position: relative; padding: 80px 0; background: linear-gradient(135deg, #022c22 0%, #064e3b 100%); color: #fff; overflow: hidden; }
        .hero::before { content: ''; position: absolute; inset: 0; background-image: url('https://images.unsplash.com/photo-1518605368461-1ee7c532066d?auto=format&fit=crop&w=1920&q=80'); background-size: cover; background-position: center; opacity: 0.15; mix-blend-mode: overlay; }
        .hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
        .hero-content h1 { font-size: 48px; font-weight: 800; line-height: 1.2; margin-bottom: 24px; text-shadow: 0 2px 4px rgba(0,0,0,0.3); }
        .hero-content p { font-size: 18px; color: #d1fae5; margin-bottom: 32px; max-width: 90%; }
        .hero-tags { display: flex; gap: 12px; margin-bottom: 32px; flex-wrap: wrap; }
        .hero-tag { background: rgba(255,255,255,0.1); padding: 6px 16px; border-radius: 20px; font-size: 14px; backdrop-filter: blur(4px); border: 1px solid rgba(255,255,255,0.2); }
        .hero-visual { position: relative; }
        .hero-visual img { border-radius: var(--radius-lg); box-shadow: 0 20px 40px rgba(0,0,0,0.4); transform: perspective(1000px) rotateY(-5deg); border: 4px solid rgba(255,255,255,0.1); }
        .hero-data-float { position: absolute; bottom: -20px; left: -20px; background: var(--bg-surface); padding: 16px 24px; border-radius: var(--radius-md); box-shadow: var(--shadow-lg); color: var(--text-main); display: flex; align-items: center; gap: 16px; }
        .float-icon { background: #d1fae5; color: var(--primary); width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 24px; font-weight: bold; }
        
        
        .section-header { margin-bottom: 40px; text-align: center; }
        .section-header h2 { font-size: 32px; font-weight: 700; color: var(--text-main); margin-bottom: 12px; }
        .section-header p { color: var(--text-muted); font-size: 16px; }
        
        
        .features { padding: 80px 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); text-align: center; border: 1px solid var(--border-light); transition: transform 0.3s; }
        .feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--primary); }
        .feature-icon { width: 70px; height: 70px; margin: 0 auto 24px; background: #ecfdf5; border-radius: 20px; display: flex; align-items: center; justify-content: center; transform: rotate(-5deg); transition: transform 0.3s; }
        .feature-card:hover .feature-icon { transform: rotate(0); background: var(--primary); }
        .feature-card:hover .feature-icon svg { stroke: #fff; }
        .feature-icon svg { width: 32px; height: 32px; stroke: var(--primary); stroke-width: 2; fill: none; }
        .feature-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; }
        .feature-card p { color: var(--text-muted); font-size: 14px; }
        
        
        .data-center { padding: 80px 0; background: var(--bg-surface); }
        .hot-news-section { margin-bottom: 60px; }
        .hot-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .article-card { background: var(--bg-surface); border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--border-light); transition: box-shadow 0.3s; display: flex; flex-direction: column; }
        .article-card:hover { box-shadow: var(--shadow-md); }
        .article-img { width: 100%; height: 180px; object-fit: cover; border-bottom: 1px solid var(--border-light); }
        .article-content { padding: 20px; display: flex; flex-direction: column; flex-grow: 1; }
        .article-title { font-size: 16px; font-weight: 600; margin-bottom: 8px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .article-title a { color: var(--text-main); }
        .article-title a:hover { color: var(--primary); }
        .article-desc { font-size: 13px; color: var(--text-muted); margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; flex-grow: 1; }
        .article-meta { display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: #9ca3af; border-top: 1px dashed var(--border-light); padding-top: 12px; }
        .article-meta-left { display: flex; gap: 12px; align-items: center; }
        .article-tags span { background: var(--bg-body); padding: 2px 8px; border-radius: 4px; color: var(--primary); }
        
        .latest-news-section { padding-top: 40px; border-top: 1px solid var(--border-light); }
        .latest-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
        .list-item { display: flex; gap: 20px; padding: 16px; background: var(--bg-body); border-radius: var(--radius-md); align-items: center; }
        .list-img { width: 120px; height: 80px; border-radius: 6px; object-fit: cover; flex-shrink: 0; }
        .list-info h4 { font-size: 15px; margin-bottom: 6px; }
        .list-info h4 a { color: var(--text-main); }
        .list-info h4 a:hover { color: var(--primary); }
        .list-info p { font-size: 12px; color: var(--text-muted); }
        
        
        .cta { padding: 80px 0; background: var(--theme-color); text-align: center; }
        .cta-inner { max-width: 800px; margin: 0 auto; background: var(--bg-surface); padding: 60px 40px; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); border-top: 4px solid var(--primary); }
        .cta h2 { font-size: 32px; margin-bottom: 16px; color: var(--text-main); }
        .cta p { font-size: 16px; color: var(--text-regular); margin-bottom: 32px; }
        
        
        .footer { background: #111827; color: #d1d5db; padding: 60px 0 20px; font-size: 14px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
        .footer-logo .logo span { color: #fff; }
        .footer-desc { margin-top: 16px; color: #9ca3af; line-height: 1.8; }
        .footer h4 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 20px; }
        .footer-links li { margin-bottom: 12px; }
        .footer-links a:hover { color: var(--secondary); padding-left: 5px; }
        .footer-bottom { border-top: 1px solid #374151; padding-top: 20px; display: flex; justify-content: space-between; align-items: center; color: #6b7280; font-size: 13px; }
        .footer-bottom-links a { color: #9ca3af; margin-left: 16px; }
        .footer-bottom-links a:hover { color: #fff; }
        
        
        @media (max-width: 1024px) {
            .hero-inner { grid-template-columns: 1fr; text-align: center; }
            .hero-content p { max-width: 100%; margin: 0 auto 32px; }
            .hero-tags { justify-content: center; }
            .hero-data-float { display: none; }
            .features-grid, .hot-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .nav-desktop, .header-actions .btn { display: none; }
            .menu-toggle { display: block; }
            .hero { padding: 40px 0; }
            .hero-content h1 { font-size: 32px; }
            .features-grid, .hot-grid, .latest-list, .footer-grid { grid-template-columns: 1fr; }
            .cta-inner { padding: 40px 20px; }
            .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
        }