:root { --
primary-color: #00d084; --text-color: #333; --bg-
color: #f9fffb; }
        * { box-sizing: border-box; margin: 0
; padding: 0; }
        body { font-family: 'PingFang SC', sans-serif; background:
 var(--bg-color); color: var(--text-color); 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
; }
        .nav-wrapper { display: flex; justify-content: space-between; align-items: center; }

        .nav-links { display: flex; gap: 0; }
        .nav-links a { padding
: 10px 15px; text-decoration: none; color: #333; font-weight: 5
00; transition: 0.3s; }
        .nav-links a:hover { color:
 var(--primary-color); }
        .hero { padding: 80px 0; text-align: center; background
: linear-gradient(135deg, #e8fff5 0%, #fff 100%); }

        .hero h1 { font-size: 3rem; margin-bottom: 20px; color
: #1a1a1a; }
        .btn { display: inline-block; padding: 12
px 30px; background: var(--primary-color); color: #fff; text-decoration: none; border
-radius: 5px; font-weight: bold; transition: transform 0.2s; }
        .
section { padding: 60px 0; }
        .grid { display: grid; grid-template-columns: repeat
(auto-fit, minmax(280px, 1fr)); gap: 20px; }

        .card { background: #fff; padding: 30px; border-radius: 12px; border:
 1px solid #eee; transition: 0.3s; }
        .card:hover { box-shadow
: 0 10px 20px rgba(0,0,0,0.05); }
        
table { width: 100%; border-collapse: collapse; margin-top: 20px;
 }
        th, td { padding: 15px; border: 1px solid #eee; text-align: left
; }
        .faq-item { margin-bottom: 15px; padding: 15px; background:
 #fff; border-radius: 8px; cursor: pointer; }
        footer { background: #22
2; color: #ccc; padding: 40px 0; text-align: center; }

        .float-contact { position: fixed; bottom: 30px; right: 30px; z
-index: 999; }
        .ai-page-logo { width: 150px; }