:root { --
primary: #2563eb; --dark: #1e293b; --light: #f8faf
c; --accent: #3b82f6; }
        * { box-sizing: border-box; margin:
 0; padding: 0; }
        body { font-family: 'PingFang SC', sans-serif; line-
height: 1.6; color: #334155; background-color: #ffffff; }
        .container
 { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

        header { background: #fff; padding: 15px 0; border-bottom: 1px
 solid #e2e8f0; position: sticky; top: 0; z-index: 1000; }

        nav { display: flex; justify-content: space-between; align-items: center; }
        .nav-links
 { display: flex; gap: 0; align-items: center; }
        .nav-links a { padding
: 10px 15px; text-decoration: none; color: #475569; font-weight
: 500; }
        .btn { padding: 10px 20px; border-radius: 
6px; border: none; cursor: pointer; text-decoration: none; display: inline-block; }

        .btn-primary { background: var(--primary); color: white; }
        .hero { padding
: 80px 20px; text-align: center; background: linear-gradient(135deg, #eff
6ff 0%, #ffffff 100%); }
        .section { padding: 60px 0; }

        h2 { text-align: center; margin-bottom: 40px; color: var(--dark); }

        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(2
80px, 1fr)); gap: 20px; }
        .card { padding: 
25px; border: 1px solid #e2e8f0; border-radius: 1
2px; transition: 0.3s; }
        .card:hover { box-shadow: 0
 10px 20px rgba(0,0,0,0.05); }
        footer
 { background: var(--dark); color: #cbd5e1; padding: 40px 0; text-
align: center; }
        .faq-item { margin-bottom: 15px; border: 1px solid #e
2e8f0; padding: 15px; border-radius: 8px; }
        
table { width: 100%; border-collapse: collapse; margin-top: 20px; }
        th,
 td { padding: 12px; border: 1px solid #e2e8f0; text
-align: left; }
        @media (max-width: 768px) { .nav-links { display
: none; } }