:root { --primary-color: #ff6b00; --text
-color: #333; --bg-color: #fff; --gap: 20px; }
        
* { margin: 0; padding: 0; box-sizing: border-box; }
        body { font
-family: 'PingFang SC', 'Microsoft YaHei', sans-serif; color: var(--text-color);
 line-height: 1.6; background-color: #f9f9f9; }
        .
container { max-width: 1200px; margin: 0 auto; padding: 0 var
(--gap); }
        header { background: #fff; padding: 15px 0; border-bottom: 2
px solid #eee; 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: #333; font-weight: 500
; }
        .hero { padding: 80px 0; text-align: center; background: linear-gradient(1
35deg, #fff5eb 0%, #fff 100%); }
        h1 { font
-size: 3rem; color: var(--primary-color); margin-bottom: 20px;
 }
        .btn { display: inline-block; padding: 12px 30px; background: var(--
primary-color); color: #fff; border-radius: 5px; text-decoration: none; transition
: 0.3s; }
        section { padding: 60px 0; }
        .grid
 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1
fr)); gap: 30px; }
        .card { background: #fff; padding: 3
0px; border-radius: 10px; box-shadow: 0 5px 15
px rgba(0,0,0,0.05); transition: 0.3s; }

        .card:hover { transform: translateY(-5px); }
        table { width: 100%; border
-collapse: collapse; margin-top: 20px; }
        th, td { border: 1
px solid #ddd; padding: 12px; text-align: left; }
        footer { background: #2
22; color: #ccc; padding: 40px 0; text-align: center; }

        .faq-item { margin-bottom: 15px; border: 1px solid #eee
; padding: 15px; border-radius: 5px; cursor: pointer; }