:root { --primary-color: #25
63eb; --text-color: #1f2937; --bg-color: #f
8fafc; --accent-color: #7c3aed; }
        * { margin: 0; padding
: 0; box-sizing: border-box; }
        body { font-family: 'PingFang SC',
 sans-serif; background: var(--bg-color); color: var(--text-color); line-height:
 1.6; }
        .container { max-width: 1200px; margin: 0 auto
; padding: 0 20px; }
        header { background: #fff; padding: 1
5px 0; border-bottom: 1px solid #e5e7eb; position: sticky;
 top: 0; z-index: 1000; }
        .nav-wrapper { display
: flex; align-items: center; justify-content: space-between; }
        .nav-links { display
: flex; gap: 0; }
        .nav-links a { padding: 10px 
15px; text-decoration: none; color: var(--text-color); font-weight: 500; transition:
 color 0.3s; }
        .hero { padding: 80px 0; text-align: center; background
: linear-gradient(135deg, #eff6ff 0%, #ede9fe 100%); }

        h1 { font-size: 2.5rem; margin-bottom: 20px; color:
 #111827; }
        .btn { display: inline-block; padding: 12
px 30px; border-radius: 8px; text-decoration: none; font-weight: 60
0; transition: transform 0.2s; }
        .btn-primary { background: var(--primary-color);
 color: #fff; }
        .grid { display: grid; grid-template-columns: repeat(auto-fit
, minmax(300px, 1fr)); gap: 24px; margin-top: 40
px; }
        .card { background: #fff; padding: 24px; border-radius: 16
px; border: 1px solid #e5e7eb; transition: 0.3s; }
        .card
:hover { transform: translateY(-5px); box-shadow: 0 10px 15px -3
px rgba(0,0,0,0.1); }
        .footer { padding: 40
px 0; background: #1f2937; color: #f3f4f6; text
-align: center; }
        .faq-item { margin-bottom: 15px; border-bottom
: 1px solid #374151; padding-bottom: 10px; }
        @
media (max-width: 768px) { .nav-links { display: none; } }