:root { --primary-green: #00b894; --text-dark: #2d3436; --bg-light: #f9fdfd; --accent-blue: #0984e3; }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: 'PingFang SC', sans-serif; color: var(--text-dark); background: var(--bg-light); 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; align-items: center; justify-content: space-between; }
        .logo-box { width: 150px; }
        .nav-links { display: flex; align-items: center; gap: 0; }
        .nav-links a { text-decoration: none; color: var(--text-dark); padding: 10px 15px; font-weight: 500; transition: color 0.3s; }
        .nav-links a:hover { color: var(--primary-green); }
        .hero { padding: 80px 0; text-align: center; background: linear-gradient(180deg, #e0f9f2 0%, #fff 100%); }
        h1 { font-size: 3rem; margin-bottom: 20px; color: #006b54; }
        .btn { display: inline-block; padding: 12px 30px; border-radius: 50px; text-decoration: none; font-weight: bold; transition: transform 0.2s; }
        .btn-primary { background: var(--primary-green); color: #fff; }
        .section { padding: 60px 0; }
        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }
        .card { background: #fff; padding: 30px; border-radius: 16px; box-shadow: 0 4px 20px rgba(0,0,0,0.05); transition: transform 0.3s; }
        .card:hover { transform: translateY(-5px); }
        .table-container { overflow-x: auto; }
        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; }
        footer { background: #2d3436; color: #fff; padding: 40px 0; text-align: center; }
        .fixed-kefu { position: fixed; right: 20px; bottom: 50px; z-index: 999; width: 80px; }