:root { --primary
: #6366f1; --dark: #0f172a; --light: #f8faf
c; --accent: #8b5cf6; }
        * { margin: 0; padding: 0; box-
sizing: border-box; }
        body { font-family: 'PingFang SC', 'Microsoft YaHei',
 sans-serif; color: #334155; line-height: 1.6; background-color: #ffffff
; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 
20px; }
        header { padding: 20px 0; background: rgba(255,2
55,255,0.95); position: sticky; top: 0; z-index: 100
0; border-bottom: 1px solid #e2e8f0; }
        .nav-wrapper { display:
 flex; justify-content: space-between; align-items: center; }
        .nav-links { display: flex; align
-items: center; gap: 0; }
        .nav-links a { padding: 10px 
15px; text-decoration: none; color: #475569; font-weight: 500;
 transition: color 0.3s; }
        .hero { padding: 100px 0; text
-align: center; background: linear-gradient(135deg, #f1f5f9 0%, #
e2e8f0 100%); }
        h1 { font-size: 3rem
; color: #0f172a; margin-bottom: 20px; }
        .
btn { display: inline-block; padding: 12px 30px; background: var(--primary); color: white
; border-radius: 8px; text-decoration: none; transition: transform 0.2s; }
        .
section { padding: 80px 0; }
        .grid { display: grid; grid-template-columns
: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin-top
: 40px; }
        .card { padding: 30px; border-radius: 16
px; background: #fff; box-shadow: 0 4px 6px -1px rgba(0,0
,0,0.1); border: 1px solid #e2e8f0; transition: transform
 0.3s; }
        .card:hover { transform: translateY(-5px); }
        .faq-item
 { margin-bottom: 20px; border-bottom: 1px solid #e2e8f0;
 padding-bottom: 15px; }
        footer { background: var(--dark); color: #9
4a3b8; padding: 40px 0; text-align: center; }
        @
media (max-width: 768px) { .nav-links { display: none; } }