:root { --primary: #2
563eb; --dark: #1e293b; --light: #f8fafc; --accent
: #f59e0b; }
        * { box-sizing: border-box; margin: 0;
 padding: 0; }
        body { font-family: 'Segoe UI', system-ui, 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; background: #fff; }
        nav { display: flex; align-items: center; justify-content: space
-between; }
        .nav-links { display: flex; gap: 0; }
        .nav
-links a { padding: 10px 15px; text-decoration: none; color: var(--dark
); font-weight: 500; }
        .hero { padding: 80px 0; text
-align: center; background: linear-gradient(135deg, #eff6ff, #f1
f5f9); }
        h1 { font-size: 2.5rem; margin-bottom: 
20px; }
        .btn { padding: 12px 30px; background: var
(--primary); color: #fff; border-radius: 6px; text-decoration: none; display: inline-block; transition
: 0.3s; }
        .btn:hover { background: #1d4ed8; }
        .
section { padding: 60px 0; }
        .grid { display: grid; grid-template-columns
: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin-top
: 30px; }
        .card { padding: 30px; border: 1px solid #e2
e8f0; border-radius: 12px; transition: 0.3s; }

        .card:hover { transform: translateY(-5px); box-shadow: 0 10px 
20px rgba(0,0,0,0.1); }
        .faq-item { margin
-bottom: 15px; border-bottom: 1px solid #e2e8f0; }
        .faq
-q { padding: 15px 0; font-weight: 600; cursor: pointer;
 display: flex; justify-content: space-between; }
        .form-group { margin-bottom: 1
5px; }
        input, select, textarea { width: 100%; padding: 10px; border:
 1px solid #cbd5e1; border-radius: 4px; }
        footer { padding: 4
0px 0; background: var(--dark); color: #fff; text-align: center; }
        .
float-kefu { position: fixed; bottom: 30px; right: 30px; z
-index: 100; }