:
root { --primary: #6366f1; --accent: #a855f7; --bg:
 #f8fafc; --text: #1e293b; }
        * { box-
sizing: border-box; margin: 0; padding: 0; }
        body { font-family: '
PingFang SC', system-ui, sans-serif; line-height: 1.6; color: var(--
text); background: var(--bg); }
        .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-inner { display: flex; align
-items: center; justify-content: space-between; }
        .logo-wrap { width: 15
0px; }
        .nav-links { display: flex; gap: 0; list-style:
 none; }
        .nav-links a { padding: 10px 15px; text-decoration: none; color
: var(--text); font-weight: 500; font-size: 14px; }

        .btn-primary { background: linear-gradient(135deg, var(--primary), var(--accent
)); color: white; padding: 8px 20px; border-radius: 6px; text
-decoration: none; font-weight: bold; }
        section { padding: 60px 0; }

        h1 { font-size: 3rem; margin-bottom: 20px; background: linear-gradient(to
 right, #4f46e5, #ec4899); -webkit-background-clip: text; color
: transparent; }
        .hero { text-align: center; padding: 80px 0;
 background: linear-gradient(180deg, #fff 0%, #f1f5f9 100%); }

        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(3
00px, 1fr)); gap: 30px; }
        .card { background: #fff; padding:
 30px; border-radius: 16px; box-shadow: 0 4px 6
px rgba(0,0,0,0.05); transition: 0.3s; }

        .card:hover { transform: translateY(-5px); box-shadow: 0 10px 20px rgba(
0,0,0,0.1); }
        .faq-item { margin-bottom: 1
5px; border: 1px solid #e2e8f0; border-radius: 8px; overflow
: hidden; }
        .faq-q { padding: 15px; background: #fff; cursor
: pointer; font-weight: 600; }
        .faq-a { padding: 15px; background
: #fdfdfd; border-top: 1px solid #e2e8f0; }
        
footer { background: #1e293b; color: #cbd5e1; padding: 4
0px 0; margin-top: 40px; }
        .footer-grid { display: grid; grid
-template-columns: repeat(4, 1fr); gap: 40px; }