:root { --primary
-color: #2ecc71; --text-color: #2d3436; --bg-
light: #f8f9fa; }
        * { box-sizing: border-box; margin: 0; padding
: 0; }
        body { font-family: "PingFang SC", "Microsoft YaHei", sans-serif; color:
 var(--text-color); line-height: 1.6; background: #fff; }
        .
container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

        header { padding: 20px 0; border-bottom: 1px solid #eee; background
: #fff; }
        .nav-inner { 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: 500; }
        .hero { padding: 80px 0; text
-align: center; background: linear-gradient(135deg, #e8f5e9 0%, #
fff 100%); }
        .hero h1 { font-size: 3rem; margin-bottom: 20
px; color: #1a1a1a; }
        .btn-main { display: inline-block
; padding: 15px 30px; background: var(--primary-color); color: #fff; border-radius:
 8px; text-decoration: none; margin-top: 20px; transition: 0.3s; }

        .grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(
300px, 1fr)); gap: 20px; margin: 40px 0
; }
        .card { padding: 30px; border: 1px solid #eee; border-radius: 
12px; transition: 0.3s; }
        .card:hover { transform: translateY(-5px); box-
shadow: 0 10px 20px rgba(0,0,0,0.05); }
        .
faq-item { margin-bottom: 15px; border: 1px solid #eee; padding: 15
px; border-radius: 8px; cursor: pointer; }
        footer { padding: 40px 0; background
: #2d3436; color: #fff; text-align: center; }
        .
form-group { margin-bottom: 15px; text-align: left; }
        input,
 select, textarea { width: 100%; padding: 12px; margin-top: 5
px; border: 1px solid #ddd; border-radius: 4px; }