:
root { --primary: #ff4d4f; --accent: #1890ff; --dark
: #1f1f1f; --light: #f9f9f9; --text: #3
33; }
        * { box-sizing: border-box; margin: 0; padding: 
0; }
        body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
 sans-serif; line-height: 1.6; color: var(--text); background: #fff; }
        .container
 { max-width: 1200px; margin: 0 auto; padding: 0 2
0px; }
        header { background: #fff; padding: 20px 0; border-
bottom: 1px solid #eee; position: sticky; top: 0; z-index: 1
000; }
        nav { display: flex; align-items: center; justify-content: space
-between; }
        .nav-links { display: flex; gap: 0; }
        .
nav-links a { text-decoration: none; color: var(--text); padding: 10px 
15px; font-weight: 500; }
        .hero { padding: 100px
 0; background: linear-gradient(135deg, #f0f7ff 0%, #fff 
100%); text-align: center; }
        h1 { font-size: 3rem; margin-bottom: 
20px; color: var(--dark); }
        .btn { display: inline-block; padding: 12
px 30px; background: var(--primary); color: #fff; border-radius: 5px; text-
decoration: none; font-weight: bold; transition: opacity 0.3s; }
        section { padding: 8
0px 0; }
        .grid { display: grid; grid-template-columns: repeat(auto-fit
, minmax(300px, 1fr)); gap: 30px; }
        .card { padding
: 30px; border: 1px solid #eee; border-radius: 10px; background
: #fff; transition: transform 0.3s; }
        .card:hover { transform: translateY(-5px); box
-shadow: 0 10px 20px rgba(0,0,0,0.05); }
        
footer { background: var(--dark); color: #ccc; padding: 50px 0; text-align: center; }

        table { width: 100%; border-collapse: collapse; margin: 20px 
0; }
        th, td { padding: 15px; border: 1px solid #ddd
; text-align: left; }
        .faq-item { margin-bottom: 15px; border-bottom
: 1px solid #eee; }
        .faq-q { cursor: pointer; padding: 15px; font-
weight: bold; }