:root { --primary: #6366f1; --dark: #1e293b; --light
: #f8fafc; --accent: #ec4899; }
        * { box-sizing: border
-box; margin: 0; padding: 0; }
        body { font-family: 'PingFang SC',
 sans-serif; background: #fff; color: var(--dark); line-height: 1.6; }
        
.container { max-width: 1200px; margin: 0 auto; padding: 0
 20px; }
        header { padding: 20px 0; background: rgba(255,2
55,255,0.95); position: sticky; top: 0; z-index: 100
0; border-bottom: 1px solid #eee; }
        .nav-wrapper { display: flex
; align-items: center; justify-content: space-between; }
        .nav-links { display
: flex; gap: 0; align-items: center; }
        .nav-links a { padding
: 10px 15px; text-decoration: none; color: var(--dark); font-weight: 50
0; }
        .hero { padding: 100px 0; text-align: center; background
: linear-gradient(135deg, #eef2ff 0%, #fff 100%); }

        h1 { font-size: 3rem; margin-bottom: 20px; color: var(--dark); }

        .btn { display: inline-block; padding: 12px 30px; border-radius: 5
0px; text-decoration: none; background: var(--primary); color: #fff; transition: 0
.3s; }
        .btn:hover { background: var(--accent); }
        section { padding: 6
0px 0; }
        .grid-3 { display: grid; grid-template-columns: repeat(3, 
1fr); gap: 30px; }
        .card { padding: 30px; border-radius: 1
6px; background: #fff; box-shadow: 0 4px 20px rgba(0
,0,0,0.05); transition: 0.3s; }
        .card:hover { transform:
 translateY(-10px); }
        table { width: 100%; border-collapse: collapse; margin
-top: 20px; }
        th, td { padding: 15px; border: 
1px solid #eee; text-align: left; }
        .faq-item { margin-bottom: 1
5px; border-bottom: 1px solid #eee; padding-bottom: 15px; }
        footer
 { background: var(--dark); color: #fff; padding: 40px 0; text-align: center; }

        .floating-kefu { position: fixed; right: 20px; bottom: 5
0px; width: 60px; }
        @media (max-width: 768px) { .
grid-3 { grid-template-columns: 1fr; } h1 { font-size: 2rem; } }