:root { --primary: #6
366f1; --accent: #ec4899; --bg: #ffffff; --text: #
1f2937; --card-bg: #f9fafb; --gradient: linear-gradient(
135deg, #6366f1, #ec4899); }
        body
 { font-family: 'Segoe UI', system-ui, sans-serif; margin: 0; color: var(--text); background
: var(--bg); line-height: 1.6; }
        .container { max-width: 1200
px; margin: 0 auto; padding: 0 20px; }
        header { padding: 20px 
0; display: flex; justify-content: space-between; align-items: center; background: rgba(255,2
55,255,0.9); position: sticky; top: 0; z-index: 100
0; }
        .nav-links { display: flex; gap: 0; list-style: none; }

        .nav-links li a { padding: 10px 15px; text-decoration: none; color
: var(--text); font-weight: 500; }
        .hero { padding: 80px 
0; text-align: center; background: linear-gradient(to bottom, #f0f4ff, #fff); }

        h1 { font-size: 3rem; margin-bottom: 20px; background: var(--gradient
); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
        .btn {
 display: inline-block; padding: 12px 30px; background: var(--primary); color: #fff; border
-radius: 8px; text-decoration: none; transition: transform 0.2s; }
        .
grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(3
00px, 1fr)); gap: 30px; margin-top: 50px; }
        
.card { padding: 30px; border-radius: 16px; background: var(--card-bg); border:
 1px solid #e5e7eb; transition: 0.3s; }
        .card:hover { transform
: translateY(-5px); box-shadow: 0 10px 25px rgba(0,0,0,
0.1); }
        .faq-item { margin-bottom: 15px; border-bottom
: 1px solid #eee; padding-bottom: 10px; }
        footer { padding: 40
px 0; background: #111; color: #fff; text-align: center; }
        .
floating-kefu { position: fixed; right: 20px; bottom: 20px; z
-index: 999; }
        input, select, textarea { width: 100%; padding: 
12px; margin: 10px 0; border: 1px solid #ccc; border-radius: 
6px; }