:root { --main-yellow: #FFD700; --text
-dark: #1A1A1A; --bg-light: #F9F9F9; --
accent-blue: #0056D2; }
        * { box-sizing: border-box; margin: 
0; padding: 0; }
        body { font-family: 'PingFang SC', sans-serif; background: var
(--bg-light); color: var(--text-dark); line-height: 1.6; }

        .container { max-width: 1200px; margin: 0 auto; padding: 0 2
0px; }
        header { background: #fff; padding: 15px 0; border-bottom: 2
px solid var(--main-yellow); position: sticky; top: 0; z-index: 1000
; }
        .nav-wrapper { display: flex; justify-content: space-between; align-items: center; }

        .nav-links { display: flex; gap: 0; }
        .nav-links a
 { padding: 0 15px; text-decoration: none; color: var(--text-dark); font-weight: 
600; font-size: 14px; }
        .hero { padding: 80px 0; text
-align: center; background: linear-gradient(135deg, #FFD700 0
%, #FFF 100%); }
        h1 { font-size: 3rem; margin-bottom:
 20px; color: var(--text-dark); }
        .btn { display: inline-block
; padding: 12px 30px; background: var(--text-dark); color: #fff; text
-decoration: none; border-radius: 5px; font-weight: bold; margin: 5px; }
        .
section-title { text-align: center; margin: 60px 0 40px; font-size
: 2rem; }
        .grid-3 { display: grid; grid-template-columns: repeat(auto-
fit, minmax(300px, 1fr)); gap: 30px; }
        
.card { background: #fff; padding: 30px; border-radius: 10px; box
-shadow: 0 5px 15px rgba(0,0,0,0.05); transition: 0
.3s; }
        .card:hover { transform: translateY(-10px); }
        .table-wrap
 { overflow-x: auto; margin: 40px 0; }
        table { width: 10
0%; border-collapse: collapse; background: #fff; }
        th, td { padding: 1
5px; border: 1px solid #eee; text-align: center; }
        form { background
: #fff; padding: 40px; border-radius: 10px; max-width: 600px
; margin: 0 auto; }
        input, select, textarea { width: 100%; padding: 
12px; margin: 10px 0; border: 1px solid #ccc; border-radius: 
4px; }
        footer { background: var(--text-dark); color: #fff; padding: 40px 
0; margin-top: 60px; }
        .footer-links a { color: #ccc
; text-decoration: none; display: block; margin: 5px 0; }
        .float
-kefu { position: fixed; right: 20px; bottom: 50px; width
: 120px; z-index: 999; }