:root { --primary
: #2563eb; --dark: #1e293b; --light: #f8
fafc; --accent: #f59e0b; }
        * { box-sizing: border
-box; margin: 0; padding: 0; }
        body { font-family: 'PingFang SC',
 'Microsoft YaHei', sans-serif; line-height: 1.6; color: #3341
55; background: #ffffff; }
        .container { max-width: 1200px; margin:
 0 auto; padding: 0 20px; }
        header { padding: 20px 
0; background: #fff; border-bottom: 1px solid #e2e8f0; position: sticky;
 top: 0; z-index: 100; }
        .nav-wrapper { display:
 flex; justify-content: space-between; align-items: center; }
        .nav-links { display: flex; gap
: 0; align-items: center; }
        .nav-links a { padding: 0 15px;
 text-decoration: none; color: var(--dark); font-weight: 500; font-size: 1
4px; transition: 0.3s; }
        .hero { padding: 80px 
0; text-align: center; background: linear-gradient(135deg, #eff6ff 0%, #
f1f5f9 100%); }
        .hero h1 { font-size: 3rem;
 margin-bottom: 20px; color: var(--dark); }
        .btn { padding: 12px 
30px; border-radius: 6px; text-decoration: none; display: inline-block; font
-weight: bold; transition: 0.3s; }
        .btn-primary { background: var(--primary); color
: white; }
        .grid { display: grid; grid-template-columns: repeat(auto-fit
, minmax(300px, 1fr)); gap: 24px; padding: 6
0px 0; }
        .card { padding: 30px; border: 1px solid #e2
e8f0; border-radius: 12px; transition: 0.3s; }

        .card:hover { transform: translateY(-5px); box-shadow: 0 10px 2
5px rgba(0,0,0,0.1); }
        table { width: 10
0%; border-collapse: collapse; margin: 20px 0; }
        th, td { padding
: 12px; border: 1px solid #e2e8f0; text-align: left; }

        .faq-item { margin-bottom: 15px; border-bottom: 1px solid #e
2e8f0; }
        .faq-q { font-weight: bold; padding: 1
5px 0; cursor: pointer; display: flex; justify-content: space-between; }
        .faq-a
 { padding-bottom: 15px; display: none; color: #64748b; }
        
footer { background: var(--dark); color: #cbd5e1; padding: 40px 0; text
-align: center; }
        .footer-links a { color: #fff; margin: 0 
10px; text-decoration: none; }
        @media (max-width: 768px) {
 .nav-links { display: none; } }