:root { --primary: #2563
eb; --accent: #f59e0b; --dark: #1e293b; --light
: #f8fafc; --bg: #ffffff; }
        * { box-sizing: border-box; margin: 
0; padding: 0; }
        body { font-family: -apple-system, BlinkMacSystemFont,
 "Segoe UI", Roboto, sans-serif; line-height: 1.6; color: #3341
55; background: var(--bg); }
        .container { max-width: 1200
px; margin: 0 auto; padding: 0 20px; }
        header { background:
 #fff; border-bottom: 1px solid #e2e8f0; position: sticky; top: 0; z
-index: 1000; }
        nav { display: flex; justify-content: space-between; align-items
: center; height: 70px; }
        .nav-links { display: flex; gap: 
0; align-items: center; }
        .nav-links a { padding: 0 15px; text
-decoration: none; color: var(--dark); font-weight: 500; font-size: 14px;
 }
        .hero { padding: 100px 0; text-align: center; background: linear-gradient(1
35deg, #eff6ff 0%, #fef3c7 100%); }
        h
1 { font-size: 3rem; margin-bottom: 20px; color: var(--dark); }

        .btn { display: inline-block; padding: 12px 30px; background: var(--primary);
 color: #fff; border-radius: 8px; text-decoration: none; font-weight: bold
; margin: 10px; transition: 0.3s; }
        .btn-accent { background: var(--accent
); }
        section { padding: 80px 0; }
        .grid { display: grid; grid
-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 3
0px; }
        .card { padding: 30px; border-radius: 16px; background: #fff
; border: 1px solid #e2e8f0; transition: 0.3s; }

        .card:hover { transform: translateY(-5px); box-shadow: 0 10px 2
5px rgba(0,0,0,0.1); }
        .faq-item { border-bottom: 1px
 solid #e2e8f0; padding: 20px 0; }
        footer { background: var
(--dark); color: #cbd5e1; padding: 50px 0; text-align: center; }

        .float-kefu { position: fixed; bottom: 30px; right: 30px; z
-index: 999; }
        table { width: 100%; border-collapse: collapse
; margin-top: 20px; }
        th, td { padding: 15px; border: 
1px solid #e2e8f0; text-align: left; }