:root { --primary: #2563eb; --accent: #
7c3aed; --text: #1f2937; --bg: #f8faf
c; --white: #ffffff; }
        * { box-sizing: border-box; margin: 0; padding
: 0; }
        body { font-family: 'PingFang SC', 'Microsoft YaHei', sans
-serif; line-height: 1.6; color: var(--text); background: var(--bg); }

        .container { max-width: 1200px; margin: 0 auto; padding: 0 
20px; }
        header { background: var(--white); border-bottom: 1px solid #e5e7
eb; position: sticky; top: 0; z-index: 1000; padding: 15px 
0; }
        .nav-wrapper { display: flex; align-items: center; justify-content: space-between
; }
        .nav-links { display: flex; gap: 0; align-items: center;
 }
        .nav-links a { padding: 10px 15px; color: var(--text); text-
decoration: none; font-weight: 500; transition: color 0.3s; }
        .nav
-links a:hover { color: var(--primary); }
        .hero { padding: 80px 0; text
-align: center; background: linear-gradient(135deg, #eff6ff 0%, #
f5f3ff 100%); }
        .hero h1 { font-size: 2.5rem
; margin-bottom: 20px; color: #1e293b; }
        .btn {
 display: inline-block; padding: 12px 30px; border-radius: 8px; text
-decoration: none; font-weight: 600; transition: transform 0.2s; }
        .btn-
primary { background: var(--primary); color: var(--white); }
        .section { padding: 60px 0;
 }
        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(3
00px, 1fr)); gap: 30px; }
        .card { background: var(--white); padding
: 30px; border-radius: 16px; box-shadow: 0 4px 6
px rgba(0,0,0,0.05); transition: transform 0.3s; }
        .card
:hover { transform: translateY(-5px); }
        .footer { background: #1e293b
; color: #cbd5e1; padding: 40px 0; text-align: center; }

        .footer a { color: #fff; text-decoration: none; margin: 0 10px; }

        @media (max-width: 768px) { .nav-links { display: none; } .
hero h1 { font-size: 1.8rem; } }