:root { --primary: #6366f1; --accent: #f43f5e; --text: #
1e293b; --bg: #f8fafc; --white: #ffffff; }

        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font
-family: 'PingFang SC', system-ui, sans-serif; color: var(--text); background: var
(--bg); line-height: 1.6; }
        .container { max-width: 1200px
; margin: 0 auto; padding: 0 20px; }
        header { background: var
(--white); padding: 15px 0; position: sticky; top: 0; z-index: 100
0; box-shadow: 0 2px 10px rgba(0,0,0,0.
05); }
        .nav-wrapper { display: flex; align-items: center; justify-content: space
-between; }
        .nav-links { display: flex; gap: 0; align-items:
 center; }
        .nav-links a { padding: 10px 15px; text-decoration: none; color
: var(--text); font-weight: 500; font-size: 14px; }

        .hero { padding: 100px 0; text-align: center; background: linear-gradient
(135deg, #eef2ff 0%, #ffffff 100%); }
        .hero
 h1 { font-size: 3rem; margin-bottom: 20px; color: var(--primary); }
        
.btn { display: inline-block; padding: 12px 30px; background: var(--primary);
 color: #fff; border-radius: 8px; text-decoration: none; font-weight: bold
; transition: 0.3s; }
        .btn:hover { background: var(--accent); }
        .
section { padding: 80px 0; }
        .grid { display: grid; grid-template-columns
: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }

        .card { background: var(--white); padding: 30px; border-radius: 16
px; box-shadow: 0 4px 6px rgba(0,0,0,0.05
); }
        table { width: 100%; border-collapse: collapse; margin-top: 20px;
 }
        th, td { padding: 15px; border-bottom: 1px solid #e
2e8f0; text-align: left; }
        footer { background: #0f172
a; color: #cbd5e1; padding: 60px 0 20px; text
-align: center; }
        .faq-item { margin-bottom: 15px; border: 1
px solid #e2e8f0; border-radius: 8px; overflow: hidden; }
        
.faq-q { padding: 15px; cursor: pointer; background: #fff; font-weight: bold
; }
        .faq-a { padding: 15px; display: none; background: #f1f5
f9; }
        .float-kefu { position: fixed; bottom: 30px; right: 3
0px; z-index: 999; }