:root { --primary-color: #00d
2ff; --secondary-color: #3a7bd5; --text-color: #333; --bg-
color: #f9fbfd; }
        * { box-sizing: border-box; margin: 
0; padding: 0; }
        body { font-family: 'PingFang SC', 'Microsoft YaHei', sans
-serif; line-height: 1.6; color: var(--text-color); background: var(--bg-color);
 }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 
20px; }
        header { background: #fff; padding: 15px 0; border
-bottom: 1px solid #eee; position: sticky; top: 0; z-index: 
1000; }
        nav { display: flex; justify-content: space-between; align-items: center; }

        .nav-links { display: flex; gap: 0; }
        .nav-links a
 { padding: 10px 15px; text-decoration: none; color: #333;
 font-size: 14px; font-weight: 500; }
        .hero { padding
: 100px 0; text-align: center; background: linear-gradient(135deg, #e
0f7fa 0%, #ffffff 100%); }
        h1 { font-size: 42
px; margin-bottom: 20px; color: #1a2a6c; }
        .
btn { display: inline-block; padding: 12px 30px; background: var(--secondary
-color); color: #fff; border-radius: 50px; text-decoration: none; transition
: 0.3s; }
        .btn:hover { background: #285ea8; transform
: translateY(-2px); }
        section { padding: 80px 0; }
        .grid { display
: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1
fr)); gap: 30px; }
        .card { background: #fff; padding: 30px; border
-radius: 12px; box-shadow: 0 5px 15px rgba(0,0
,0,0.05); transition: 0.3s; }
        .card:hover {
 transform: translateY(-10px); }
        footer { background: #1a2a6c; color: #fff; padding
: 50px 0; text-align: center; }
        footer a { color: #8
8cfff; margin: 0 10px; }
        .faq-item { margin-bottom: 1
5px; border-bottom: 1px solid #eee; }
        .faq-q { cursor: pointer; padding: 
15px; font-weight: bold; }
        .faq-a { padding: 0 15px 15
px; display: none; }
        table { width: 100%; border-collapse: collapse;
 margin-top: 20px; }
        th, td { padding: 15px; border: 1
px solid #eee; text-align: center; }
        @media (max-width: 768px) {
 .nav-links { display: none; } }