:root { --primary-color: #4CAF50; --text-color
: #333; --bg-color: #f9fbf9; --card-bg: #ffffff
; }
        body { font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif; color:
 var(--text-color); background-color: var(--bg-color); line-height: 1.6
; margin: 0; }
        .container { max-width: 1200px; margin
: 0 auto; padding: 0 20px; }
        header { background: #fff; padding
: 15px 0; position: sticky; top: 0; z-index: 100
0; box-shadow: 0 2px 10px rgba(0,0,0,0.05); }

        .nav-inner { display: flex; justify-content: space-between; align-items: center; }
        
.nav-links { display: flex; gap: 0; }
        .nav-links a { padding
: 10px 15px; color: #333; text-decoration: none; font-weight: 
500; }
        .hero { padding: 80px 0; text-align: center; background
: linear-gradient(135deg, #e8f5e9 0%, #ffffff 100%);
 }
        .hero h1 { font-size: 2.5rem; 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(300px, 1
fr)); gap: 20px; }
        .card { background: var(--card-bg); padding
: 25px; border-radius: 10px; box-shadow: 0 4px 6px
 rgba(0,0,0,0.05); }
        footer { background: #333; color
: #fff; padding: 40px 0; text-align: center; }
        .faq-item
 { margin-bottom: 15px; border-bottom: 1px solid #eee; padding-bottom: 10
px; }
        .faq-q { cursor: pointer; font-weight: bold; }
        .faq-a
 { display: none; padding: 10px 0; }
        .rating-box { border: 2px solid var
(--primary-color); padding: 20px; text-align: center; border-radius: 10
px; }