:
root { --primary: #6366f1; --bg: #f8fafc; --text: #
1e293b; --accent: #ec4899; }
        * { box-sizing: border
-box; margin: 0; padding: 0; }
        body { font-family: 'PingFang SC',
 sans-serif; background: var(--bg); color: var(--text); line-height: 1.6
; }
        .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: 100; }
        nav { display: flex; justify-content: space-between; align-items
: center; }
        .nav-links { display: flex; gap: 0; align-items:
 center; }
        .nav-links a { padding: 8px 15px; text-decoration: none; color
: var(--text); font-weight: 500; transition: color 0.3s; }
        .hero
 { padding: 80px 0; text-align: center; background: linear-gradient(135deg, #f
1f5f9 0%, #e2e8f0 100%); }
        h
1 { font-size: 3rem; margin-bottom: 20px; color: #0f172
a; }
        .btn { display: inline-block; padding: 12px 30px; background: var(--
primary); color: #fff; border-radius: 8px; text-decoration: none; font-weight: bold
; margin-top: 20px; transition: transform 0.2s; }
        .section { padding: 6
0px 0; }
        .grid { display: grid; grid-template-columns: repeat(auto-fit
, minmax(280px, 1fr)); gap: 24px; }
        .card { background
: #fff; padding: 24px; border-radius: 12px; border: 1px solid
 #e2e8f0; transition: box-shadow 0.3s; }
        .card
:hover { box-shadow: 0 10px 25px rgba(0,0,0,0.1
); }
        .faq-item { margin-bottom: 15px; border-bottom: 1px solid #e
2e8f0; padding-bottom: 10px; }
        footer { background: #0
f172a; color: #cbd5e1; padding: 40px 0; text-align: center;
 }
        .ai-page-logo { width: 150px; }
        @media (max-width:
 768px) { .nav-links { display: none; } }