:root { --
primary-color: #2ecc71; --text-color: #2c3e50; --bg-light
: #f8fcf9; --white: #ffffff; }
        * { box-sizing: border-box; margin:
 0; padding: 0; }
        body { font-family: 'PingFang SC', sans-serif; line-
height: 1.6; color: var(--text-color); background-color: var(--white); }
        .container
 { max-width: 1200px; margin: 0 auto; padding: 0 2
0px; }
        header { background: var(--white); border-bottom: 1px solid #eee; position: sticky;
 top: 0; z-index: 1000; }
        .nav-inner { display: flex; align
-items: center; justify-content: space-between; height: 70px; }
        .nav-links {
 display: flex; align-items: center; gap: 0; }
        .nav-links a { padding
: 0 15px; color: var(--text-color); text-decoration: none; font-weight:
 500; }
        .btn { padding: 10px 20px; border-radius: 5
px; background: var(--primary-color); color: white; border: none; cursor: pointer; transition: 
0.3s; }
        .hero { padding: 80px 0; text-align: center; background
: linear-gradient(135deg, #f0fff4, #e8f8f0); }
        h
1 { font-size: 2.5rem; margin-bottom: 20px; }
        section {
 padding: 60px 0; }
        .grid-4 { display: grid; grid-template-columns
: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px;
 }
        .card { padding: 30px; border-radius: 12px; background: var(--
white); border: 1px solid #edf2f7; transition: 0.3s; }
        .card:hover
 { transform: translateY(-5px); 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; border-bottom: 1px solid #eee; padding-bottom: 10px
; }
        footer { background: #2c3e50; color: #ccc; padding: 40
px 0; text-align: center; }
        .footer-links a { color: #fff; margin: 0
 10px; text-decoration: none; }