:root { --primary: #2563eb; --accent: #
f59e0b; --dark: #1e293b; --light: #f8faf
c; --text: #334155; }
        * { margin: 0; padding
: 0; box-sizing: border-box; }
        body { font-family: 'PingFang SC',
 'Microsoft YaHei', sans-serif; line-height: 1.6; color: var(--text); 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: 1000; }
        .nav-wrap { display: flex; align-items: center
; justify-content: space-between; }
        .nav-links { display: flex; gap: 
0; }
        .nav-links a { padding: 0 15px; color: var(--dark
); text-decoration: none; font-weight: 500; }
        .hero { padding:
 80px 0; text-align: center; background: linear-gradient(135deg, #eff
6ff 0%, #fef3c7 100%); }
        .hero h1 { font-size
: 3rem; margin-bottom: 20px; color: var(--dark); }
        .
btn { padding: 12px 30px; border-radius: 8px; background: var(--primary
); color: white; text-decoration: none; display: inline-block; transition: 0.3s
; }
        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(28
0px, 1fr)); gap: 24px; padding: 60px 0; }

        .card { padding: 30px; border: 1px solid #e2e8f0; border
-radius: 12px; transition: 0.3s; }
        .card:hover { box
-shadow: 0 10px 25px rgba(0,0,0,0.1); }
        .
faq-item { margin-bottom: 15px; border: 1px solid #e2e8f0;
 border-radius: 8px; overflow: hidden; }
        .faq-q { padding: 1
5px; background: #f1f5f9; cursor: pointer; font-weight: bold; }
        .faq
-a { padding: 15px; display: none; }
        footer { background: var(--dark); color
: #fff; padding: 40px 0; text-align: center; }
        .form
-group { margin-bottom: 15px; }
        input, select, textarea { width: 1
00%; padding: 10px; border: 1px solid #cbd5e1; border-radius: 
4px; }