:root { --primary: #2563eb; --dark
: #1e293b; --light: #f8fafc; --accent: #f5
9e0b; }
        * { box-sizing: border-box; margin: 0; padding: 
0; }
        body { font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif; color: #
334155; line-height: 1.6; background-color: #ffffff; }
        .container
 { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

        header { background: #fff; padding: 15px 0; position: sticky; top: 0; z-
index: 1000; box-shadow: 0 2px 10px rgba(0,0
,0,0.05); }
        .nav-inner { display: flex; align-items: center
; justify-content: space-between; }
        .nav-links { display: flex; align-items: center; gap
: 0; }
        .nav-links a { padding: 10px 15px; color:
 var(--dark); text-decoration: none; font-weight: 500; font-size: 1
4px; }
        .hero { padding: 80px 0; text-align: center; background
: linear-gradient(135deg, #eff6ff, #fefce8); }
        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:hover { background: #1
d4ed8; transform: translateY(-2px); }
        section { padding: 60px 0; }

        .section-title { text-align: center; margin-bottom: 40px; font-size:
 2rem; }
        .grid-3 { display: grid; grid-template-columns: repeat(auto
-fit, minmax(300px, 1fr)); gap: 30px; }
        .card { padding
: 30px; background: #fff; border: 1px solid #e2e8f0; border-radius:
 12px; transition: 0.3s; }
        .card:hover { border-color: var
(--primary); box-shadow: 0 10px 20px rgba(0,0,0
,0.05); }
        table { width: 100%; border-collapse: collapse;
 margin: 20px 0; }
        th, td { padding: 15px; border: 1
px solid #e2e8f0; text-align: left; }
        .faq-item { margin
-bottom: 10px; border: 1px solid #e2e8f0; border-radius: 8
px; overflow: hidden; }
        .faq-q { padding: 15px; background: #f1
f5f9; cursor: pointer; font-weight: bold; }
        .form-group { margin
-bottom: 15px; }
        input, select, textarea { width: 100%; padding: 
10px; border: 1px solid #e2e8f0; border-radius: 6
px; }
        footer { background: var(--dark); color: #fff; padding: 40px 0
; text-align: center; }
        .float-contact { position: fixed; right: 20px;
 bottom: 50px; z-index: 999; }
        @media (max-width:
 768px) { .nav-links { display: none; } }