:
root { --primary: #6366f1; --accent: #a855f7; --text
: #1f2937; --bg: #ffffff; }
        * { box-sizing: border
-box; margin: 0; padding: 0; }
        body { font-family: 'PingFang SC',
 'Microsoft YaHei', sans-serif; color: var(--text); background: #f9fafb; line-height:
 1.6; }
        .container { max-width: 1200px; margin:
 0 auto; padding: 0 20px; }
        header { background: rgba(255,2
55,255,0.9); backdrop-filter: blur(10px); position: sticky; top: 0
; z-index: 1000; padding: 15px 0; border-bottom: 1px
 solid #e5e7eb; }
        .nav-wrapper { display: flex; justify-content: space-between; align
-items: center; }
        .nav-links { display: flex; gap: 0; align-items: center; }

        .nav-links a { padding: 10px 15px; text-decoration: none; color
: var(--text); font-weight: 500; transition: color 0.3s; }
        .hero
 { padding: 80px 0; text-align: center; background: linear-gradient(135deg, #e
ef2ff 0%, #f5f3ff 100%); }
        h1 { font
-size: 3rem; margin-bottom: 20px; background: linear-gradient(to right, var(--primary),
 var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
 }
        .btn { display: inline-block; padding: 12px 30px; background: var(--primary);
 color: #fff; border-radius: 8px; text-decoration: none; font-weight: 
600; margin-top: 20px; transition: transform 0.2s; }
        .
section { padding: 60px 0; }
        .grid { display: grid; grid-template-columns
: repeat(auto-fit, minmax(280px, 1fr)); gap: 24
px; }
        .card { background: #fff; padding: 24px; border-radius: 1
2px; box-shadow: 0 4px 6px -1px rgba(0,0,0,
0.1); }
        .faq-item { margin-bottom: 15px; border: 1px solid #e
5e7eb; border-radius: 8px; overflow: hidden; }
        .faq-q { padding:
 15px; background: #f3f4f6; cursor: pointer; font-weight: bold
; }
        .faq-a { padding: 15px; display: none; }
        footer
 { background: #111827; color: #fff; padding: 40px 0; text
-align: center; }
        .footer-links a { color: #d1d5db; margin
: 0 10px; text-decoration: none; }
        @media (max-width: 
768px) { .nav-links { display: none; } }