:
root { --primary: #6366f1; --accent: #ec4899; --dark: #
1e293b; --light: #f8fafc; --text: #3341
55; }
        * { margin: 0; padding: 0; box-sizing: border-box;
 }
        body { font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif; color: var
(--text); line-height: 1.6; background: #fff; }
        .container { max-width: 
1200px; margin: 0 auto; padding: 0 20px; }
        header { padding
: 20px 0; background: rgba(255,255,255,0.95
); position: sticky; top: 0; z-index: 1000; border-bottom:
 1px solid #e2e8f0; }
        nav { display: flex; justify-content: space
-between; align-items: center; }
        .logo { font-weight: 800; font-
size: 24px; color: var(--primary); }
        .nav-links { display: flex
; gap: 0; }
        .nav-links a { padding: 0 15px; text
-decoration: none; color: var(--dark); font-weight: 500; }
        .hero { padding
: 80px 0; text-align: center; background: linear-gradient(135deg, #f
1f5f9 0%, #e2e8f0 100%); }
        .hero
 h1 { font-size: 48px; margin-bottom: 20px; color: var
(--dark); }
        .btn { display: inline-block; padding: 12px 30
px; background: var(--primary); color: #fff; border-radius: 8px; text-decoration: none; margin
-top: 20px; transition: 0.3s; }
        .section { padding:
 60px 0; }
        .grid { display: grid; grid-template-columns: repeat(auto-fit
, minmax(300px, 1fr)); gap: 30px; margin-top: 30px;
 }
        .card { padding: 30px; border-radius: 16px; background: #fff
; border: 1px solid #e2e8f0; transition: 0.3s; }
        .
card:hover { transform: translateY(-5px); box-shadow: 0 10px 25px rgba(0,
0,0,0.1); }
        footer { background: var(--dark); color: #cbd5e1
; padding: 40px 0; text-align: center; }
        .faq-item { margin
-bottom: 15px; border: 1px solid #e2e8f0; padding: 15px
; cursor: pointer; }
        table { width: 100%; border-collapse: collapse; margin:
 20px 0; }
        th, td { border: 1px solid #e2e8f0; padding
: 12px; text-align: left; }