:root { --primary
-color: #0056b3; --accent-color: #00a8ff; --text-color:
 #333; --bg-color: #f8f9fa; }
        * { 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: var(--bg-color); }
        .container { max-width: 1
200px; margin: 0 auto; padding: 0 20px; }
        header { background: #
fff; padding: 15px 0; border-bottom: 1px 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; list-style: none; }
        .nav-links a { padding: 10px 15px
; text-decoration: none; color: #333; font-weight: 500; transition: color
 0.3s; }
        .hero { padding: 80px 0; text-align: center; background
: linear-gradient(135deg, #eef6ff 0%, #ffffff 100%); }

        .hero h1 { font-size: 2.5rem; margin-bottom: 20px; color:
 var(--primary-color); }
        .btn { display: inline-block; padding: 12px 30px;
 background: var(--primary-color); color: #fff; text-decoration: none; border-radius: 5
px; transition: transform 0.2s; }
        .section { padding: 60px 0; }

        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(3
00px, 1fr)); gap: 30px; }
        .card { background: #
fff; padding: 30px; border-radius: 10px; box-shadow: 0
 4px 6px rgba(0,0,0,0.05); transition: box-shadow 0.3
s; }
        .card:hover { box-shadow: 0 10px 15px rgba(0,
0,0,0.1); }
        footer { background: #222; color: #fff
; padding: 40px 0; text-align: center; }
        table { width: 100%; border
-collapse: collapse; margin: 20px 0; }
        th, td { padding: 1
5px; border: 1px solid #eee; text-align: left; }
        .faq-item { margin
-bottom: 15px; }
        .faq-question { background: #fff; padding: 15px; cursor
: pointer; border-radius: 5px; border: 1px solid #ddd; }
        .footer
-links a { color: #ccc; margin: 0 10px; text-decoration: none; }