:root { --primary-color: #2563eb; --accent-color: #ec48
99; --dark-text: #1f2937; --bg-light: #f8faf
c; }
        * { margin: 0; padding: 0; box-sizing: border-box;
 }
        body { font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif; line
-height: 1.6; color: var(--dark-text); background-color: var(--bg-light); }
        
.container { max-width: 1200px; margin: 0 auto; padding: 0 
20px; }
        header { background: #fff; padding: 15px 0; border
-bottom: 1px solid #e5e7eb; position: sticky; top: 0; z
-index: 1000; }
        .nav-wrapper { display: flex; justify-content: space-between;
 align-items: center; }
        .nav-links { display: flex; gap: 0; align
-items: center; }
        .nav-links a { text-decoration: none; color: var(--dark-text
); padding: 10px 15px; font-weight: 500; }
        .hero { padding
: 80px 0; text-align: center; background: linear-gradient(135deg, #eff
6ff 0%, #fdf2f8 100%); }
        .hero h1 { font-size
: 3rem; margin-bottom: 20px; color: #1e3a8a; }
        .
btn { display: inline-block; padding: 12px 30px; border-radius: 8
px; text-decoration: none; font-weight: bold; cursor: pointer; transition: 0.3s; }

        .btn-primary { background: var(--primary-color); color: #fff; }
        .
section { padding: 60px 0; }
        .grid-3 { display: grid; grid
-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 
30px; }
        .card { background: #fff; padding: 30px; border-radius: 12
px; box-shadow: 0 4px 6px rgba(0,0,0,0.0
5); transition: 0.3s; }
        .card:hover { transform: translateY(-5px); }

        table { width: 100%; border-collapse: collapse; margin-top: 20
px; }
        th, td { border: 1px solid #ddd; padding: 12px; text-align:
 left; }
        footer { background: #1e293b; color: #fff; padding: 4
0px 0; text-align: center; }
        .faq-item { margin-bottom: 1
5px; border-bottom: 1px solid #e5e7eb; }
        .faq-q
 { cursor: pointer; padding: 15px; font-weight: bold; display: flex; justify-content
: space-between; }
        .faq-a { padding: 0 15px 15px; display: none
; }