:root { --primary-color: #6366f1; --accent-color: #f
43f5e; --bg-color: #ffffff; --text-color: #1f2937
; --header-h: 70px; }
        * { box-sizing: border-box; margin:
 0; padding: 0; }
        body { font-family: 'PingFang SC', 'Helvetica
 Neue', sans-serif; background: #fafafa; color: var(--text-color); line-height: 
1.6; }
        .container { max-width: 1200px; margin: 0 auto
; padding: 0 20px; }
        header { height: var(--header-h); background: #fff
; display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0;
 z-index: 1000; border-bottom: 1px solid #eee; }
        
.nav-links { display: flex; gap: 0; }
        .nav-links a { padding
: 0 15px; text-decoration: none; color: #374151; font-weight
: 500; font-size: 14px; }
        .btn { padding: 10px 
24px; border-radius: 8px; font-weight: 600; cursor: pointer; transition: 0
.3s; border: none; }
        .btn-primary { background: var(--primary-color); color
: #fff; }
        .hero { padding: 100px 0; text-align: center; background
: linear-gradient(135deg, #eef2ff 0%, #ffffff 100%); }

        h1 { font-size: 3rem; margin-bottom: 20px; color:
 #111827; }
        .grid { display: grid; grid-template-columns: repeat(auto-fit
, minmax(300px, 1fr)); gap: 20px; padding: 60px 0;
 }
        .card { background: #fff; padding: 30px; border-radius: 1
6px; box-shadow: 0 4px 6px rgba(0,0,0,0.0
5); transition: 0.3s; }
        .card:hover { transform: translateY(-5px); box-shadow:
 0 10px 15px rgba(0,0,0,0.1); }

        .faq-item { margin-bottom: 10px; border: 1px solid #e5e7eb
; border-radius: 8px; overflow: hidden; }
        .faq-q { background: #f
9fafb; padding: 15px; cursor: pointer; font-weight: 600; }
        .faq
-a { padding: 15px; display: none; }
        footer { background: #1118
27; color: #9ca3af; padding: 60px 0 20px; }

        .footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4
0px; margin-bottom: 40px; }
        .footer-grid h4 { color: #
fff; margin-bottom: 15px; }
        .footer-grid a { display: block; color: #
9ca3af; text-decoration: none; margin-bottom: 8px; }