:root { --primary-red: #d32f2f; --dark-bg: #1
a1a1a; --text-color: #333; --light-gray: #f9
f9f9; }
        * { box-sizing: border-box; margin: 0; padding: 0; }

        body { font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif; line-
height: 1.6; color: var(--text-color); background: #fff; }
        .container
 { max-width: 1200px; margin: 0 auto; padding: 0 2
0px; }
        header { background: #fff; padding: 20px 0; border-bottom:
 2px solid var(--primary-red); position: sticky; top: 0; z-index: 100
0; }
        .nav-wrapper { display: flex; justify-content: space-between; align-items: center; }

        .nav-links { display: flex; gap: 0; align-items: center; }
        .nav-links
 a { padding: 10px 15px; color: #333; text-decoration: none
; font-weight: 500; }
        .hero { padding: 100px 0; background: linear
-gradient(135deg, #fff 0%, #fff5f5 100%); text-align: center;
 }
        h1 { font-size: 3rem; color: var(--primary-red); margin-bottom: 2
0px; }
        .btn { display: inline-block; padding: 12px 30px;
 background: var(--primary-red); color: #fff; text-decoration: none; border-radius: 5
px; transition: 0.3s; }
        .section { padding: 80px 0; }

        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(3
00px, 1fr)); gap: 30px; }
        .card { padding: 30px;
 border: 1px solid #eee; border-radius: 10px; transition: 0.3s; }

        .card:hover { box-shadow: 0 10px 20px rgba(0
,0,0,0.1); }
        .faq-item { margin-bottom: 15px; border-bottom
: 1px solid #eee; }
        .faq-q { cursor: pointer; padding: 15px; font-
weight: bold; background: var(--light-gray); }
        .faq-a { padding: 1
5px; display: none; }
        footer { background: var(--dark-bg); color: #fff; padding:
 50px 0; text-align: center; }
        @media (max-width: 768px)
 { .nav-links { display: none; } }