:root { --primary-color: #2ecc
71; --text-color: #2c3e50; --bg-color: #f4f7
f6; --accent-color: #27ae60; }
        body { font-family: 'PingFang SC',
 'Microsoft YaHei', sans-serif; color: var(--text-color); background-color: var(--bg-color); margin
: 0; line-height: 1.6; }
        .container { max-width: 
1200px; margin: 0 auto; padding: 0 20px; }
        
header { background: #fff; padding: 15px 0; border-bottom: 1px solid #eee; position:
 sticky; top: 0; z-index: 1000; }
        .navbar { display: flex; align
-items: center; justify-content: space-between; }
        .nav-links { display: flex; gap: 
0; list-style: none; }
        .nav-links li a { padding: 10px 15px;
 text-decoration: none; color: var(--text-color); font-weight: 500; }

        .hero { padding: 80px 0; text-align: center; background: linear-gradient(1
35deg, #e8f8f0 0%, #fff 100%); }
        .btn {
 display: inline-block; padding: 12px 30px; background: var(--primary-color); color
: #fff; text-decoration: none; border-radius: 5px; transition: 0.3s; }

        .btn:hover { background: var(--accent-color); }
        .section { padding: 60px 0
; }
        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(3
00px, 1fr)); gap: 30px; }
        .card { background: #fff; padding:
 25px; border-radius: 10px; box-shadow: 0 4px 6px
 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 { padding: 15px; text-align: left
; border-bottom: 1px solid #eee; }
        .faq-item { margin-bottom: 1
5px; border-bottom: 1px solid #eee; }
        .faq-q { font-weight: bold
; cursor: pointer; padding: 10px 0; }
        .footer { background: #2
c3e50; color: #ecf0f1; padding: 40px 0; text-
align: center; }
        .footer a { color: #bdc3c7; margin: 0 1
0px; }