:root {
            --primary: rgb(24,119,242);
            --primary-dark: #125bb8;
            --primary-light: rgba(24,119,242,0.08);
            --accent: #F5A623;
            --text-main: #2C3E50;
            --text-muted: #64748B;
            --bg-body: #F8FAFC;
            --bg-white: #FFFFFF;
            --border-color: #E2E8F0;
            --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
            --shadow-md: 0 10px 20px rgba(0,0,0,0.08);
            --shadow-lg: 0 20px 40px rgba(24,119,242,0.15);
            --radius: 12px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * { 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: var(--transition); }
        ul, ol { list-style: none; }
        img { max-width: 100%; height: auto; display: block; }
        .container { max-width: 1240px; margin: 0 auto; padding: 0 20px; }
        
        
        .header { background: var(--bg-white); box-shadow: var(--shadow-sm); position: sticky; top: 0; z-index: 100; height: 72px; display: flex; align-items: center; }
        .header-inner { 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: 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; }
        .desktop-nav { display: flex; gap: 32px; }
        .desktop-nav a { font-size: 15px; font-weight: 500; color: var(--text-main); position: relative; padding: 8px 0; }
        .desktop-nav a:hover { color: var(--primary); }
        .desktop-nav a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--primary); transition: var(--transition); }
        .desktop-nav a:hover::after { width: 100%; }
        .header-action { display: flex; align-items: center; gap: 16px; }
        .btn { display: inline-flex; align-items: center; justify-content: center; padding: 10px 24px; border-radius: 8px; font-weight: 600; font-size: 15px; cursor: pointer; transition: var(--transition); }
        .btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 12px rgba(24,119,242,0.3); }
        .btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 16px rgba(24,119,242,0.4); }
        .btn-outline { border: 1px solid var(--primary); color: var(--primary); }
        .btn-outline:hover { background: var(--primary-light); }
        .mobile-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 5px; }
        .mobile-toggle span { display: block; width: 24px; height: 2px; background: var(--text-main); transition: var(--transition); }

        
        .drawer-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 999; opacity: 0; visibility: hidden; transition: var(--transition); backdrop-filter: blur(4px); }
        .drawer-overlay.active { opacity: 1; visibility: visible; }
        .mobile-drawer { position: fixed; top: 0; left: -300px; width: 280px; height: 100%; background: var(--bg-white); z-index: 1000; transition: var(--transition); box-shadow: var(--shadow-lg); display: flex; flex-direction: column; }
        .mobile-drawer.active { left: 0; }
        .drawer-header { padding: 20px; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; }
        .close-drawer { background: none; border: none; font-size: 28px; color: var(--text-muted); cursor: pointer; }
        .drawer-nav { padding: 20px; overflow-y: auto; flex-grow: 1; }
        .drawer-nav a { display: block; padding: 15px 0; border-bottom: 1px solid var(--border-color); font-size: 16px; font-weight: 500; color: var(--text-main); }
        .drawer-nav a:hover { color: var(--primary); padding-left: 10px; }

        
        .hero { padding: 80px 0; background: linear-gradient(135deg, var(--bg-body) 0%, #e6f0ff 100%); position: relative; overflow: hidden; }
        .hero::before { content: ''; position: absolute; top: -100px; right: -100px; width: 400px; height: 400px; background: var(--primary); opacity: 0.05; border-radius: 50%; filter: blur(50px); }
        .hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center; }
        .hero-content h1 { font-size: 48px; font-weight: 800; line-height: 1.2; margin-bottom: 24px; color: #1e293b; }
        .hero-content h1 span { color: var(--primary); }
        .hero-content p { font-size: 18px; color: var(--text-muted); margin-bottom: 40px; line-height: 1.8; }
        .hero-actions { display: flex; gap: 20px; }
        .hero-image { position: relative; }
        .hero-image img { border-radius: var(--radius); box-shadow: var(--shadow-lg); position: relative; z-index: 2; border: 8px solid rgba(255,255,255,0.5); }
        .hero-data-card { position: absolute; bottom: -30px; left: -30px; background: var(--bg-white); padding: 20px; border-radius: var(--radius); box-shadow: var(--shadow-md); z-index: 3; display: flex; align-items: center; gap: 15px; animation: float 4s ease-in-out infinite; }
        .hero-data-card .icon { width: 48px; height: 48px; background: var(--primary-light); color: var(--primary); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 24px; }
        @keyframes float { 0% { transform: translateY(0); } 50% { transform: translateY(-10px); } 100% { transform: translateY(0); } }

        
        .features { padding: 80px 0; background: var(--bg-white); }
        .section-header { text-align: center; margin-bottom: 60px; }
        .section-header h2 { font-size: 36px; font-weight: 700; color: #1e293b; margin-bottom: 16px; }
        .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; background: var(--bg-body); border-radius: var(--radius); transition: var(--transition); border: 1px solid transparent; }
        .feature-card:hover { transform: translateY(-5px); border-color: var(--primary-light); box-shadow: var(--shadow-md); background: var(--bg-white); }
        .feature-icon { width: 64px; height: 64px; background: var(--primary); border-radius: 16px; margin-bottom: 24px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 28px; transform: rotate(-5deg); transition: var(--transition); }
        .feature-card:hover .feature-icon { transform: rotate(0); border-radius: 50%; }
        .feature-card h3 { font-size: 22px; margin-bottom: 16px; color: var(--text-main); }
        .feature-card p { color: var(--text-muted); font-size: 15px; }

        
        .news-section { padding: 80px 0; }
        .news-grid { display: grid; grid-template-columns: 3fr 1fr; gap: 40px; }
        
        .article-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
        .article-card { background: var(--bg-white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--transition); display: flex; flex-direction: column; }
        .article-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
        .article-img { display: block; height: 200px; overflow: hidden; position: relative; }
        .article-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
        .article-card:hover .article-img img { transform: scale(1.05); }
        .article-content { padding: 20px; display: flex; flex-direction: column; flex-grow: 1; }
        .article-tags { margin-bottom: 12px; display: flex; gap: 8px; flex-wrap: wrap; }
        .article-tags span { font-size: 12px; color: var(--primary); background: var(--primary-light); padding: 4px 10px; border-radius: 4px; }
        .article-content h3 { font-size: 18px; margin-bottom: 10px; line-height: 1.4; }
        .article-content h3 a { color: var(--text-main); }
        .article-content h3 a:hover { color: var(--primary); }
        .article-desc { color: var(--text-muted); font-size: 14px; margin-bottom: 20px; flex-grow: 1; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .article-meta { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--border-color); padding-top: 16px; font-size: 13px; color: #94a3b8; }
        .article-meta-info { display: flex; gap: 15px; }

        .hot-sidebar { background: var(--bg-white); padding: 24px; border-radius: var(--radius); box-shadow: var(--shadow-sm); }
        .sidebar-title { font-size: 20px; font-weight: 700; margin-bottom: 20px; padding-bottom: 10px; border-bottom: 2px solid var(--primary-light); position: relative; }
        .sidebar-title::after { content: ''; position: absolute; left: 0; bottom: -2px; width: 40px; height: 2px; background: var(--primary); }
        .hot-item { display: flex; gap: 15px; margin-bottom: 20px; }
        .hot-item:last-child { margin-bottom: 0; }
        .hot-item-img { width: 80px; height: 60px; border-radius: 6px; overflow: hidden; flex-shrink: 0; }
        .hot-item-img img { width: 100%; height: 100%; object-fit: cover; }
        .hot-item-text h4 { font-size: 14px; line-height: 1.4; margin-bottom: 5px; }
        .hot-item-text h4 a { color: var(--text-main); }
        .hot-item-text h4 a:hover { color: var(--primary); }
        .hot-item-text span { font-size: 12px; color: var(--text-muted); }

        
        .cta-section { padding: 80px 0; background: var(--primary); color: #fff; text-align: center; position: relative; overflow: hidden; }
        .cta-section::before { content: ''; position: absolute; width: 100%; height: 100%; top: 0; left: 0; background: url('https://images.unsplash.com/photo-1550751827-4bd374c3f58b?auto=format&fit=crop&w=1920&q=80') center/cover; opacity: 0.1; mix-blend-mode: overlay; }
        .cta-inner { position: relative; z-index: 10; max-width: 800px; margin: 0 auto; }
        .cta-inner h2 { font-size: 40px; font-weight: 800; margin-bottom: 20px; text-shadow: 0 2px 4px rgba(0,0,0,0.2); }
        .cta-inner p { font-size: 18px; margin-bottom: 40px; opacity: 0.9; }
        .cta-btn { background: var(--accent); color: #fff; font-size: 18px; padding: 15px 40px; border-radius: 30px; font-weight: bold; box-shadow: 0 10px 20px rgba(245,166,35,0.3); }
        .cta-btn:hover { background: #e09612; transform: translateY(-3px); color:#fff; }

        
        .footer { background: #0F172A; color: #94A3B8; padding: 80px 0 30px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; margin-bottom: 60px; }
        .footer-logo { margin-bottom: 20px; }
        .footer-logo span { color: #fff; }
        .footer-brand p { font-size: 14px; line-height: 1.8; margin-bottom: 20px; padding-right: 20px; }
        .footer h4 { color: #fff; font-size: 18px; font-weight: 600; margin-bottom: 24px; position: relative; }
        .footer-links ul li { margin-bottom: 12px; }
        .footer-links ul li a { display: inline-block; position: relative; }
        .footer-links ul li a:hover { color: var(--primary); padding-left: 5px; }
        .footer-contact p { margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
        .footer-contact i { color: var(--primary); }
        .footer-bottom { text-align: center; padding-top: 30px; border-top: 1px solid rgba(255,255,255,0.1); font-size: 14px; }

        @media (max-width: 992px) {
            .desktop-nav, .header-action .btn-outline { display: none; }
            .mobile-toggle { display: flex; }
            .hero-grid { grid-template-columns: 1fr; text-align: center; gap: 40px; }
            .hero-actions { justify-content: center; }
            .hero-data-card { left: 50%; transform: translateX(-50%); bottom: -20px; }
            @keyframes float { 0% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, -10px); } 100% { transform: translate(-50%, 0); } }
            .feature-grid { grid-template-columns: 1fr; }
            .news-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .article-list { grid-template-columns: 1fr; }
            .hero-content h1 { font-size: 36px; }
            .footer-grid { grid-template-columns: 1fr; }
        }