:root {
            --primary-color: rgb(30,64,175);
            --primary-light: rgba(30,64,175,0.1);
            --primary-hover: rgb(25,55,150);
            --text-main: #333333;
            --text-muted: #666666;
            --text-light: #999999;
            --bg-body: #f8f9fa;
            --bg-white: #ffffff;
            --border-color: #e5e7eb;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
            --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
            --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
            --radius-md: 8px;
            --radius-lg: 12px;
            --transition: all 0.3s ease;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; line-height: 1.6; color: var(--text-main); background-color: var(--bg-body); }
        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: 1200px; margin: 0 auto; padding: 0 20px; }
        
        
        .header { background: var(--bg-white); box-shadow: var(--shadow-sm); position: sticky; top: 0; z-index: 1000; }
        .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: 40px; width: auto; max-width: 160px; object-fit: contain; flex-shrink: 0; }
        .logo span { display: inline-block; font-size: 20px; font-weight: 700; line-height: 1; color: var(--primary-color); white-space: nowrap; letter-spacing: 1px; }
        
        .nav-desktop { display: flex; align-items: center; gap: 30px; }
        .nav-desktop a { font-size: 16px; font-weight: 500; color: var(--text-main); padding: 8px 0; position: relative; }
        .nav-desktop a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--primary-color); transition: var(--transition); }
        .nav-desktop a:hover { color: var(--primary-color); }
        .nav-desktop a:hover::after { width: 100%; }
        
        .btn-mobile-menu { display: none; background: none; border: none; font-size: 24px; color: var(--text-main); cursor: pointer; }
        
        
        .drawer-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 1001; opacity: 0; visibility: hidden; transition: var(--transition); }
        .drawer-overlay.active { opacity: 1; visibility: visible; }
        .drawer-nav { position: fixed; top: 0; left: -300px; width: 280px; height: 100vh; background: var(--bg-white); z-index: 1002; transition: var(--transition); overflow-y: auto; display: flex; flex-direction: column; }
        .drawer-nav.active { left: 0; box-shadow: var(--shadow-lg); }
        .drawer-header { padding: 20px; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; }
        .btn-close-drawer { background: none; border: none; font-size: 24px; color: var(--text-main); cursor: pointer; }
        .drawer-menu { padding: 20px 0; }
        .drawer-menu a { display: block; padding: 12px 20px; font-size: 16px; font-weight: 500; border-bottom: 1px solid var(--border-color); }
        .drawer-menu a:hover { background: var(--primary-light); color: var(--primary-color); padding-left: 25px; }

        
        .hero { position: relative; background: linear-gradient(135deg, rgba(30,64,175,0.95) 0%, rgba(15,35,105,0.95) 100%), url('https://images.unsplash.com/photo-1518186285589-2f7649de83e0?auto=format&fit=crop&q=80') center/cover; padding: 100px 0; color: white; overflow: hidden; }
        .hero::before { content: ''; position: absolute; top: 0; right: 0; width: 50%; height: 100%; background: url('data:image/svg+xml;utf8,<svg viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><path d="M0,100 L100,0 L100,100 Z" fill="rgba(255,255,255,0.05)"/></svg>') no-repeat bottom right / cover; pointer-events: none; }
        .hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; z-index: 1; }
        .hero-content h1 { font-size: 48px; font-weight: 800; line-height: 1.2; margin-bottom: 20px; letter-spacing: -1px; }
        .hero-content p { font-size: 18px; line-height: 1.8; margin-bottom: 40px; color: rgba(255,255,255,0.9); max-width: 90%; }
        .hero-actions { display: flex; gap: 20px; }
        .btn { display: inline-flex; align-items: center; justify-content: center; padding: 14px 32px; font-size: 16px; font-weight: 600; border-radius: var(--radius-md); cursor: pointer; transition: var(--transition); border: 2px solid transparent; }
        .btn-primary { background: white; color: var(--primary-color); }
        .btn-primary:hover { background: rgba(255,255,255,0.9); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.15); }
        .btn-outline { background: transparent; border-color: white; color: white; }
        .btn-outline:hover { background: rgba(255,255,255,0.1); transform: translateY(-2px); }
        
        .hero-visual { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); border: 1px solid rgba(255,255,255,0.2); }
        .hero-visual::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,0.4) 0%, transparent 50%); }
        .hero-visual img { width: 100%; display: block; transform: scale(1.02); transition: transform 5s ease; }
        .hero-visual:hover img { transform: scale(1.05); }

        
        .trust-banner { background: var(--bg-white); padding: 30px 0; border-bottom: 1px solid var(--border-color); }
        .trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
        .trust-item { display: flex; flex-direction: column; align-items: center; gap: 10px; }
        .trust-icon { width: 48px; height: 48px; background: var(--primary-light); color: var(--primary-color); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 24px; }
        .trust-item h3 { font-size: 16px; font-weight: 600; color: var(--text-main); }
        .trust-item p { font-size: 14px; color: var(--text-muted); }

        
        .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: var(--text-main); margin-bottom: 16px; position: relative; display: inline-block; }
        .section-header h2::after { content: ''; position: absolute; bottom: -10px; left: 50%; transform: translateX(-50%); width: 60px; height: 3px; background: var(--primary-color); border-radius: 2px; }
        .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: 40px; }
        .feature-card { background: var(--bg-body); border-radius: var(--radius-lg); padding: 40px 30px; text-align: center; transition: var(--transition); border: 1px solid transparent; }
        .feature-card:hover { transform: translateY(-5px); background: var(--bg-white); border-color: var(--primary-color); box-shadow: var(--shadow-md); }
        .feature-card .icon-wrapper { width: 70px; height: 70px; margin: 0 auto 24px; background: linear-gradient(135deg, var(--primary-color), #2563eb); border-radius: 20px; display: flex; align-items: center; justify-content: center; transform: rotate(-5deg); transition: var(--transition); }
        .feature-card:hover .icon-wrapper { transform: rotate(0); border-radius: 50%; }
        .feature-card .icon-wrapper svg { width: 32px; height: 32px; fill: white; }
        .feature-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 15px; color: var(--text-main); }
        .feature-card p { font-size: 15px; color: var(--text-muted); line-height: 1.7; }

        
        .news-section { padding: 80px 0; background: var(--bg-body); }
        .news-layout { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; }
        
        
        .news-main-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; border-bottom: 2px solid var(--border-color); padding-bottom: 15px; }
        .news-main-header h2 { font-size: 28px; font-weight: 700; color: var(--text-main); border-left: 5px solid var(--primary-color); padding-left: 15px; }
        .news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
        .article-card { background: var(--bg-white); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--transition); display: flex; flex-direction: column; }
        .article-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
        .article-img { width: 100%; height: 200px; object-fit: cover; transition: var(--transition); }
        .article-card:hover .article-img { transform: scale(1.05); }
        .article-content { padding: 20px; flex-grow: 1; display: flex; flex-direction: column; }
        .article-title { font-size: 18px; font-weight: 600; line-height: 1.4; margin-bottom: 12px; color: var(--text-main); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .article-card:hover .article-title { color: var(--primary-color); }
        .article-summary { font-size: 14px; color: var(--text-muted); line-height: 1.6; margin-bottom: 15px; 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: var(--text-light); border-top: 1px solid var(--border-color); padding-top: 15px; }
        .article-tags { display: flex; gap: 8px; flex-wrap: wrap; }
        .article-tag { background: var(--primary-light); color: var(--primary-color); padding: 2px 8px; border-radius: 4px; }

        
        .news-sidebar { background: var(--bg-white); border-radius: var(--radius-lg); padding: 25px; box-shadow: var(--shadow-sm); height: fit-content; }
        .news-sidebar-header { font-size: 22px; font-weight: 700; color: var(--text-main); margin-bottom: 20px; position: relative; padding-bottom: 15px; border-bottom: 1px solid var(--border-color); }
        .news-sidebar-header::after { content: ''; position: absolute; bottom: -1px; left: 0; width: 40px; height: 3px; background: #e11d48; }
        .hot-list { display: flex; flex-direction: column; gap: 15px; }
        .hot-item { display: flex; gap: 15px; align-items: flex-start; group; }
        .hot-num { font-size: 24px; font-weight: 800; color: #e5e7eb; line-height: 1; min-width: 30px; transition: var(--transition); }
        .hot-item:nth-child(1) .hot-num { color: #e11d48; }
        .hot-item:nth-child(2) .hot-num { color: #ea580c; }
        .hot-item:nth-child(3) .hot-num { color: #ca8a04; }
        .hot-item:hover .hot-num { transform: scale(1.1); }
        .hot-info h4 { font-size: 15px; font-weight: 600; line-height: 1.4; color: var(--text-main); margin-bottom: 5px; transition: var(--transition); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .hot-item:hover .hot-info h4 { color: var(--primary-color); }
        .hot-meta { font-size: 12px; color: var(--text-light); }

        
        .brand-cta { padding: 100px 0; background: linear-gradient(rgba(30,64,175,0.9), rgba(30,64,175,0.9)), url('https://images.unsplash.com/photo-1460925895917-afdab827c52f?auto=format&fit=crop&q=80') center/cover fixed; color: white; text-align: center; }
        .brand-cta-inner { max-width: 800px; margin: 0 auto; }
        .brand-cta h2 { font-size: 36px; font-weight: 800; margin-bottom: 24px; }
        .brand-cta p { font-size: 18px; line-height: 1.8; margin-bottom: 40px; color: rgba(255,255,255,0.9); }
        .brand-features { display: flex; justify-content: center; gap: 40px; margin-bottom: 40px; }
        .brand-feature { display: flex; align-items: center; gap: 10px; font-size: 16px; font-weight: 500; }
        .brand-feature svg { width: 24px; height: 24px; fill: #4ade80; }
        
        
        .footer { background: #111827; color: rgba(255,255,255,0.7); padding: 80px 0 40px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 60px; }
        .footer-brand .logo span { color: white; }
        .footer-desc { margin: 20px 0; font-size: 14px; line-height: 1.8; }
        .footer-title { color: white; font-size: 18px; font-weight: 600; margin-bottom: 24px; position: relative; padding-bottom: 10px; }
        .footer-title::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 2px; background: var(--primary-color); }
        .footer-links li { margin-bottom: 12px; }
        .footer-links a { font-size: 14px; transition: var(--transition); display: inline-flex; align-items: center; gap: 8px; }
        .footer-links a:hover { color: white; transform: translateX(5px); }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 30px; display: flex; justify-content: space-between; align-items: center; font-size: 14px; }
        .footer-bottom-links { display: flex; gap: 20px; }

        @media (max-width: 992px) {
            .hero-inner { grid-template-columns: 1fr; text-align: center; gap: 40px; }
            .hero-content p { max-width: 100%; }
            .hero-actions { justify-content: center; }
            .news-layout { grid-template-columns: 1fr; }
            .feature-grid { grid-template-columns: repeat(2, 1fr); }
            .trust-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
            .btn-mobile-menu { display: block; }
            .hero { padding: 60px 0; }
            .hero-content h1 { font-size: 36px; }
            .news-grid { grid-template-columns: 1fr; }
            .feature-grid { grid-template-columns: 1fr; }
            .brand-features { flex-direction: column; gap: 20px; align-items: center; }
            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; gap: 20px; text-align: center; }
        }