:root {
            --primary: rgb(26,115,232);
            --primary-hover: rgba(26,115,232, 0.85);
            --primary-light: rgba(26,115,232, 0.08);
            --text-dark: #1a1f36;
            --text-main: #3c4257;
            --text-muted: #697386;
            --bg-body: #f7f9fc;
            --bg-white: #ffffff;
            --border-color: #e3e8ee;
            --shadow-sm: 0 2px 4px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 24px rgba(0,0,0,0.12);
            --radius-md: 8px;
            --radius-lg: 16px;
            --container: 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; }
        ul, li { list-style: none; }
        img { max-width: 100%; height: auto; display: block; }
        
        .container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }
        
        
        .header { background: var(--bg-white); border-bottom: 1px solid var(--border-color); position: sticky; top: 0; z-index: 100; box-shadow: var(--shadow-sm); }
        .header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
        
        
        .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-dark); 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-main); font-size: 15px; padding: 8px 0; position: relative; }
        .nav-desktop a:hover { color: var(--primary); }
        .nav-desktop a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--primary); transition: width 0.3s; }
        .nav-desktop a:hover::after { width: 100%; }
        
        .header-actions { display: flex; align-items: center; gap: 16px; }
        .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; text-align: center; font-size: 15px; }
        .btn-primary { background: var(--primary); color: #fff; border: 1px solid var(--primary); box-shadow: 0 4px 10px rgba(26,115,232,0.3); }
        .btn-primary:hover { background: var(--primary-hover); transform: translateY(-1px); color: #fff; }
        .btn-outline { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
        .btn-outline:hover { background: var(--primary-light); }
        
        .menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 5px; }
        .menu-toggle svg { width: 24px; height: 24px; fill: var(--text-dark); }
        
        
        .drawer-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); backdrop-filter: blur(4px); z-index: 999; opacity: 0; visibility: hidden; transition: all 0.3s; }
        .drawer-overlay.active { opacity: 1; visibility: visible; }
        .drawer { position: fixed; top: 0; left: -320px; width: 280px; height: 100%; background: var(--bg-white); z-index: 1000; box-shadow: var(--shadow-lg); transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1); display: flex; flex-direction: column; }
        .drawer.active { transform: translateX(320px); }
        .drawer-header { padding: 20px; border-bottom: 1px solid var(--border-color); display: flex; align-items: center; justify-content: space-between; }
        .drawer-close { background: var(--primary-light); border: none; width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; color: var(--primary); }
        .drawer-body { padding: 20px 0; overflow-y: auto; flex: 1; }
        .drawer-nav a { display: block; padding: 15px 24px; font-size: 16px; font-weight: 500; color: var(--text-dark); border-bottom: 1px solid var(--border-color); }
        .drawer-nav a:hover { background: var(--primary-light); color: var(--primary); padding-left: 30px; }
        .drawer-footer { padding: 20px; border-top: 1px solid var(--border-color); background: var(--bg-body); }
        
        
        .hero { padding: 80px 0; background: linear-gradient(135deg, #ffffff 0%, #edf2f9 100%); position: relative; overflow: hidden; border-bottom: 1px solid var(--border-color); }
        .hero::before { content: ''; position: absolute; right: -10%; top: -20%; width: 50vw; height: 50vw; background: radial-gradient(circle, var(--primary-light) 0%, rgba(255,255,255,0) 70%); border-radius: 50%; z-index: 0; }
        .hero-container { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; z-index: 1; }
        .hero-content h1 { font-size: 48px; line-height: 1.2; color: var(--text-dark); margin-bottom: 24px; letter-spacing: -1px; font-weight: 800; }
        .hero-content h1 span { color: var(--primary); }
        .hero-content p { font-size: 18px; color: var(--text-muted); margin-bottom: 32px; max-width: 90%; }
        .hero-actions { display: flex; gap: 16px; }
        .hero-visual { position: relative; }
        .hero-visual-card { background: var(--bg-white); border-radius: var(--radius-lg); padding: 24px; box-shadow: var(--shadow-lg); border: 1px solid rgba(255,255,255,0.8); position: relative; z-index: 2; }
        .market-data-mock { border-radius: 8px; overflow: hidden; background: #f8fafc; border: 1px solid var(--border-color); }
        .market-row { display: flex; justify-content: space-between; padding: 16px; border-bottom: 1px solid var(--border-color); }
        .market-row:last-child { border-bottom: none; }
        .market-pair { font-weight: 700; color: var(--text-dark); }
        .market-price { font-family: monospace; font-size: 16px; }
        .up { color: #059669; } .down { color: #dc2626; }
        
        
        .sec-header { text-align: center; margin-bottom: 48px; }
        .sec-title { font-size: 32px; font-weight: 700; color: var(--text-dark); margin-bottom: 12px; }
        .sec-desc { color: var(--text-muted); font-size: 16px; }
        
        
        .features { padding: 80px 0; background: var(--bg-white); }
        .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
        .feature-card { padding: 40px 30px; background: var(--bg-body); border-radius: var(--radius-lg); text-align: center; transition: transform 0.3s; border: 1px solid transparent; }
        .feature-card:hover { transform: translateY(-5px); border-color: var(--primary-light); background: var(--bg-white); box-shadow: var(--shadow-md); }
        .feat-icon { width: 64px; height: 64px; border-radius: 16px; background: var(--primary-light); color: var(--primary); display: flex; align-items: center; justify-content: center; margin: 0 auto 24px; font-size: 28px; font-weight: bold; }
        .feature-card h3 { font-size: 20px; color: var(--text-dark); margin-bottom: 16px; }
        .feature-card p { color: var(--text-muted); font-size: 15px; }
        
        
        .articles-sec { padding: 80px 0; }
        .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .article-card { background: var(--bg-white); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--border-color); transition: all 0.3s; display: flex; flex-direction: column; height: 100%; }
        .article-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary-light); }
        .ac-img { width: 100%; aspect-ratio: 16/10; overflow: hidden; background: #e2e8f0; position: relative; display: block; }
        .ac-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
        .article-card:hover .ac-img img { transform: scale(1.05); }
        .ac-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
        .ac-tags { margin-bottom: 12px; }
        .ac-tag { display: inline-block; padding: 4px 10px; background: var(--primary-light); color: var(--primary); font-size: 12px; border-radius: 4px; font-weight: 500; }
        .ac-title { font-size: 18px; font-weight: 700; color: var(--text-dark); margin-bottom: 12px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .ac-title a { color: inherit; }
        .ac-title a:hover { color: var(--primary); }
        .ac-desc { font-size: 14px; color: var(--text-muted); margin-bottom: 20px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; flex: 1; }
        .ac-meta { display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: #8892b0; border-top: 1px solid var(--border-color); padding-top: 16px; margin-top: auto; }
        
        
        .hot-news { background: #fff; padding-bottom: 40px; }
        .latest-news { padding-top: 40px; }
        
        
        .cta-sec { padding: 80px 0; background: var(--text-dark); color: #fff; text-align: center; position: relative; overflow: hidden; }
        .cta-sec::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(45deg, var(--primary) 0%, transparent 100%); opacity: 0.2; }
        .cta-content { position: relative; z-index: 1; max-width: 700px; margin: 0 auto; }
        .cta-content h2 { font-size: 36px; margin-bottom: 20px; font-weight: 700; }
        .cta-content p { font-size: 18px; color: #a1a1aa; margin-bottom: 32px; }
        
        
        .footer { background: #0b1120; color: #94a3b8; padding: 60px 0 20px; font-size: 14px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; margin-bottom: 40px; }
        .footer-logo .logo span { color: #fff; }
        .footer-desc { margin-top: 20px; line-height: 1.8; padding-right: 20px; }
        .footer-title { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 24px; position: relative; padding-bottom: 10px; }
        .footer-title::after { content: ''; position: absolute; left: 0; bottom: 0; width: 30px; height: 2px; background: var(--primary); }
        .footer-links li { margin-bottom: 12px; }
        .footer-links a { color: #94a3b8; }
        .footer-links a:hover { color: #fff; padding-left: 5px; }
        .footer-bottom { text-align: center; padding-top: 24px; border-top: 1px solid #1e293b; color: #64748b; }
        
        @media (max-width: 1024px) {
            .hero-container { grid-template-columns: 1fr; text-align: center; }
            .hero-content p { margin: 0 auto 32px; }
            .hero-actions { justify-content: center; }
            .grid-3 { grid-template-columns: repeat(2, 1fr); }
            .grid-4 { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .nav-desktop, .header-actions { display: none; }
            .menu-toggle { display: block; }
            .hero-content h1 { font-size: 36px; }
            .grid-3, .grid-4, .footer-grid { grid-template-columns: 1fr; }
            .sec-title { font-size: 26px; }
        }