:root { --primary
-color: #ff5e00; --text-color: #333; --bg-color: #fff; --
gap: 20px; }
        * { box-sizing: border-box; margin: 0; padding: 0
; }
        body { font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif; line-height
: 1.6; color: var(--text-color); background: var(--bg-color); }

        .container { max-width: 1200px; margin: 0 auto; padding: 0 var
(--gap); }
        header { padding: 20px 0; background: #fff; border-bottom: 
1px solid #eee; }
        .nav-wrapper { display: flex; justify-content: space-between; align
-items: center; }
        .nav-links { display: flex; gap: 0; }
        .nav
-links a { padding: 10px 15px; text-decoration: none; color: #
333; font-weight: 500; }
        .btn-primary { background: var
(--primary-color); color: #fff; padding: 10px 25px; border-radius: 4px;
 text-decoration: none; }
        .hero { padding: 80px 0; text-align: center; background
: #fdf5f0; }
        .hero h1 { font-size: 3rem; margin
-bottom: 20px; color: #222; }
        section { padding: 60px 0;
 }
        .grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(
300px, 1fr)); gap: var(--gap); }
        .card { padding: 
30px; border: 1px solid #eee; border-radius: 8px; transition: 
0.3s; }
        .card:hover { transform: translateY(-5px); box-shadow: 0
 10px 20px rgba(0,0,0,0.05); }
        
footer { background: #222; color: #aaa; padding: 40px 0; text
-align: center; }
        .footer-links a { color: #fff; margin: 0 1
0px; text-decoration: none; }