:root { --primary: #636
6f1; --dark: #1e293b; --light: #f8fafc; --accent
: #8b5cf6; }
        * { box-sizing: border-box; margin: 
0; padding: 0; }
        body { font-family: 'PingFang SC', 'Microsoft YaHei',
 sans-serif; line-height: 1.6; color: var(--dark); 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
0; }
        .nav-wrapper { display: flex; align-items: center; justify-content: space
-between; }
        .nav-links { display: flex; gap: 0; align-items: center; }

        .nav-links a { padding: 8px 15px; text-decoration: none;
 color: var(--dark); font-weight: 500; font-size: 14px;
 }
        .hero { padding: 80px 0; text-align: center; background: linear-gradient(1
35deg, #f5f3ff 0%, #ffffff 100%); }
        h
1 { font-size: 3rem; margin-bottom: 20px; color: var(--dark
); }
        .btn-main { background: var(--primary); color: #fff; padding: 12px 
30px; border-radius: 8px; display: inline-block; text-decoration: none; margin
-top: 20px; transition: 0.3s; }
        .section { padding: 6
0px 0; }
        .grid-3 { display: grid; grid-template-columns: repeat
(auto-fit, minmax(300px, 1fr)); gap: 30px; }

        .card { padding: 30px; border-radius: 16px; border: 
1px solid #e2e8f0; transition: 0.3s; }
        .card:hover
 { transform: translateY(-5px); box-shadow: 0 10px 25px rgba(0,
0,0,0.1); }
        .faq-item { border-bottom: 1px solid #e
2e8f0; padding: 20px 0; cursor: pointer; }
        footer { background
: #0f172a; color: #cbd5e1; padding: 40px 0; text-
align: center; }