:root { --
primary: #ff6b81; --accent: #4ecdc4; --text: #2d34
36; --bg: #f9f9f9; }
        body { font-family: '
PingFang SC', sans-serif; color: var(--text); background: var(--bg); margin: 0; line-
height: 1.6; }
        .container { max-width: 1200px; margin: 0 auto
; padding: 0 20px; }
        header { background: #fff; padding: 20px 0;
 border-bottom: 1px solid #eee; position: sticky; top: 0; z-index: 100
0; }
        nav { 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(--text); font
-weight: 500; }
        .btn { padding: 10px 25px; border-radius:
 50px; text-decoration: none; color: #fff; background: var(--primary); transition: 
0.3s; }
        .hero { padding: 80px 0; text-align:
 center; background: linear-gradient(135deg, #fff 0%, #ffeef2 100%);
 }
        .hero h1 { font-size: 3rem; margin-bottom: 20px; }
        .
grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1
fr)); gap: 30px; margin-top: 40px; }
        .card {
 background: #fff; padding: 30px; border-radius: 20px; box-shadow: 0
 10px 30px rgba(0,0,0,0.05); transition: 
0.3s; }
        .card:hover { transform: translateY(-10px); }
        
.faq-item { background: #fff; margin-bottom: 10px; padding: 20px; border-
radius: 10px; cursor: pointer; }
        form input, form select, form textarea { width:
 100%; padding: 12px; margin: 10px 0; border: 1px
 solid #ddd; border-radius: 8px; box-sizing: border-box; }
        footer { padding: 5
0px 0; background: #333; color: #fff; text-align: center; }

        .float-kefu { position: fixed; right: 20px; bottom: 5
0px; width: 120px; }