:root { --primary-color: #5
8b495; --text-dark: #2d3436; --bg-light: #f7f
bf9; }
        * { box-sizing: border-box; margin: 0; padding: 0
; }
        body { font-family: 'PingFang SC', sans-serif; line-height: 1.6;
 color: var(--text-dark); background-color: #fff; }
        .container { max-width
: 1200px; margin: 0 auto; padding: 0 20px; }

        header { padding: 20px 0; background: #fff; 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; align-items: center; }
        .nav-links a { padding:
 0 15px; color: var(--text-dark); text-decoration: none; font-weight
: 500; }
        .hero { padding: 80px 0; background: linear
-gradient(135deg, #e8f5f1 0%, #ffffff 100%); text
-align: center; }
        h1 { font-size: 2.5rem; margin-bottom: 20px
; color: #1a5e47; }
        .btn { display: inline-block; padding: 12
px 30px; background: var(--primary-color); color: #fff; border-radius: 5
px; text-decoration: none; transition: 0.3s; }
        .section { padding: 
60px 0; }
        .grid { display: grid; grid-template-columns: repeat(auto-fit
, minmax(300px, 1fr)); gap: 30px; margin-top: 30px;
 }
        .card { padding: 30px; border: 1px solid #e1e1
e1; border-radius: 12px; transition: 0.3s; }
        .
card:hover { box-shadow: 0 10px 20px rgba(88, 
180, 149, 0.1); transform: translateY(-5px); }
        
.footer { background: #2d3436; color: #fff; padding: 40px 0; margin
-top: 60px; }
        .faq-item { margin-bottom: 15px; border-bottom
: 1px solid #eee; padding-bottom: 10px; }
        .faq-q
 { font-weight: bold; cursor: pointer; display: flex; justify-content: space-between; }
        
.faq-a { padding: 10px 0; display: none; }
        .fixed-
kf { position: fixed; right: 20px; bottom: 50px; z-index: 9
99; }
        table { width: 100%; border-collapse: collapse; margin-top: 
20px; }
        th, td { border: 1px solid #ddd; padding: 1
2px; text-align: left; }