:root { --primary-color
: #6366f1; --dark-bg: #0f172a; --text
-color: #1e293b; --light-bg: #f8fafc; }
        
* { margin: 0; padding: 0; box-sizing: border-box; }
        body { font
-family: 'PingFang SC', sans-serif; color: var(--text-color); line-height: 1
.6; background-color: #ffffff; }
        .container { max-width: 120
0px; margin: 0 auto; padding: 0 20px; }
        header { padding
: 20px 0; border-bottom: 1px solid #e2e8f0; position: sticky
; top: 0; background: rgba(255,255,255,0.95
); z-index: 1000; }
        .nav-wrap { display: flex; align
-items: center; justify-content: space-between; }
        .nav-links { display: flex
; gap: 0; align-items: center; }
        .nav-links a { padding: 10px 
15px; text-decoration: none; color: #475569; font-weight: 500;
 transition: 0.3s; }
        .hero { padding: 80px 0; text
-align: center; background: linear-gradient(135deg, #f1f5f9 0%, #
e0e7ff 100%); }
        h1 { font-size: 3rem; margin-bottom: 
20px; color: var(--dark-bg); }
        .btn { display: inline-block; padding: 12
px 30px; background: var(--primary-color); color: #fff; border-radius: 8px
; text-decoration: none; font-weight: bold; transition: transform 0.2s; }
        .
btn:hover { transform: translateY(-2px); }
        section { padding: 60px 0
; }
        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(28
0px, 1fr)); gap: 30px; margin-top: 30px; }
        .card {
 padding: 25px; border-radius: 12px; border: 1px solid #e2e8f
0; background: #fff; transition: 0.3s; }
        .card:hover { box-shadow: 
0 10px 25px rgba(0,0,0,0.1); }
        
footer { background: var(--dark-bg); color: #94a3b8; padding: 4
0px 0; text-align: center; }