:
root { --primary-color: #2563eb; --text-dark: #1e293b
; --bg-light: #f8fafc; --accent: #3b82f6; }
        
* { margin: 0; padding: 0; box-sizing: border-box; }
        body { font
-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; line
-height: 1.6; color: var(--text-dark); 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: 10
00; }
        .nav-wrapper { display: flex; justify-content: space-between; align-items
: center; }
        .nav-links { display: flex; gap: 0; }
        .nav-links
 a { padding: 8px 15px; text-decoration: none; color: var(--text-dark
); font-size: 14px; }
        .hero { padding: 80px 0; text
-align: center; background: linear-gradient(135deg, #eff6ff 0%, #
dbeafe 100%); }
        .hero h1 { font-size: 3rem; margin-bottom:
 20px; color: #1e3a8a; }
        .btn { display: inline-block
; padding: 12px 30px; background: var(--primary-color); color: #fff; border
-radius: 6px; text-decoration: none; margin: 10px; transition: 0.3
s; }
        .section { padding: 60px 0; }
        .grid { display: grid
; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 3
0px; }
        .card { padding: 25px; border: 1px solid #e2
e8f0; border-radius: 12px; background: #fff; transition: 0.3s;
 }
        .card:hover { transform: translateY(-5px); box-shadow: 0 10px 2
0px rgba(0,0,0,0.05); }
        .faq-item { margin
-bottom: 15px; border: 1px solid #e2e8f0; padding: 15px
; border-radius: 8px; cursor: pointer; }
        footer { padding: 40px 0; background
: #0f172a; color: #94a3b8; text-align: center; }
        .
float-kefu { position: fixed; right: 20px; bottom: 20px; width: 60
px; height: 60px; background: var(--primary-color); border-radius: 50
%; display: flex; align-items: center; justify-content: center; cursor: pointer; }
        table {
 width: 100%; border-collapse: collapse; margin-top: 20px; }
        th, td
 { padding: 12px; border: 1px solid #e2e8f0; text-
align: left; }