:root { --primary: #2563
eb; --dark: #1e293b; --light: #f8fafc; --accent
: #38bdf8; }
        * { box-sizing: border-box; margin: 0;
 padding: 0; }
        body { font-family: 'PingFang SC', sans-serif; line
-height: 1.6; color: var(--dark); background: #ffffff; }
        .container { max
-width: 1200px; margin: 0 auto; padding: 0 20px
; }
        header { padding: 20px 0; border-bottom: 1px solid #e2e8
f0; display: flex; align-items: center; justify-content: space-between; }
        .nav-links
 { display: flex; gap: 0; align-items: center; }
        .nav-links a { padding
: 0 15px; text-decoration: none; color: var(--dark); font-weight: 50
0; }
        .btn-primary { background: var(--primary); color: white; padding: 10px 20
px; border-radius: 6px; text-decoration: none; display: inline-block; transition: 0.3s
; }
        .hero { padding: 100px 0; text-align: center; background: linear-gradient(
135deg, #eff6ff 0%, #ffffff 100%); }
        .hero h
1 { font-size: 3rem; margin-bottom: 20px; color: var(--dark); }
        .
grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(25
0px, 1fr)); gap: 30px; margin-top: 50px; }

        .card { padding: 30px; border: 1px solid #e2e8f0;
 border-radius: 12px; transition: 0.3s; }
        .card:hover
 { transform: translateY(-5px); box-shadow: 0 10px 20px rgba(0,0
,0,0.05); }
        footer { background: var(--dark); color: white; padding: 
50px 0; margin-top: 50px; }
        .form-group { margin
-bottom: 15px; }
        input, select, textarea { width: 100%; padding: 
10px; margin-top: 5px; border: 1px solid #cbd5e1; border-radius
: 4px; }
        .faq-item { margin-bottom: 15px; border-bottom
: 1px solid #e2e8f0; padding-bottom: 10px; }
        .
faq-question { cursor: pointer; font-weight: bold; }