:root { --primary: #6366f1; --dark: #1e
293b; --light: #f8fafc; --accent: #8b5cf6; }
        *
 { margin: 0; padding: 0; box-sizing: border-box; }
        body { font
-family: 'PingFang SC', 'Microsoft YaHei', sans-serif; color: var(--dark); line-height
: 1.6; background: #ffffff; }
        .container { max-width: 1200px;
 margin: 0 auto; padding: 0 20px; }
        header { background: rgba(255,2
55,255,0.95); backdrop-filter: blur(10px); position: sticky; top
: 0; z-index: 1000; border-bottom: 1px solid #e
2e8f0; }
        .nav-wrapper { display: flex; justify-content: space-between; align
-items: center; height: 70px; }
        .nav-links { display: flex; gap: 
0; align-items: center; }
        .nav-links a { padding: 0 15px;
 text-decoration: none; color: var(--dark); font-weight: 500; font-size:
 14px; }
        .hero { padding: 100px 0; text-align: center; background
: linear-gradient(135deg, #f5f3ff 0%, #ffffff 100%); }

        h1 { font-size: 3rem; margin-bottom: 20px; background: linear-gradient(to
 right, var(--primary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent
; }
        .btn { display: inline-block; padding: 12px 30px;
 border-radius: 8px; background: var(--primary); color: #fff; text-decoration: none; font-weight:
 600; transition: transform 0.2s; }
        .btn:hover { transform:
 translateY(-2px); }
        .grid-4 { display: grid; grid-template-columns: repeat(auto
-fit, minmax(250px, 1fr)); gap: 20px; padding:
 50px 0; }
        .card { padding: 30px; border: 1px solid #e2
e8f0; border-radius: 16px; transition: 0.3s; }
        .card:
hover { box-shadow: 0 10px 25px rgba(0,0,0,0.
05); }
        table { width: 100%; border-collapse: collapse; margin: 20px
 0; }
        th, td { padding: 12px; border: 1px solid #e2e
8f0; text-align: left; }
        footer { background: var(--dark); color: #cbd
5e1; padding: 40px 0; text-align: center; }
        .faq-item {
 margin-bottom: 10px; border: 1px solid #e2e8f0; border-radius: 8
px; overflow: hidden; }
        .faq-q { padding: 15px; cursor: pointer;
 background: #f1f5f9; font-weight: bold; }
        .faq-a { padding
: 15px; display: none; }
        @media (max-width: 768px) {
 .nav-links { display: none; } h1 { font-size: 2rem; } }
    </
style>