:root { --primary: #e60012; --dark: #1
a1a1a; --light: #f8f8f8; --text: #333; }
        
* { margin: 0; padding: 0; box-sizing: border-box; }
        body { font
-family: 'PingFang SC', 'Microsoft YaHei', sans-serif; color: var(--text); line
-height: 1.6; background: #fff; }
        .container { max-width: 1200px
; margin: 0 auto; padding: 0 20px; }
        header { padding: 20px 
0; border-bottom: 1px solid #eee; position: sticky; top: 0; background: #fff;
 z-index: 1000; }
        nav { display: flex; align-items: center
; justify-content: space-between; }
        .nav-links { display: flex; align-items: center; gap
: 0; }
        .nav-links a { padding: 0 15px; color: var(--dark
); text-decoration: none; font-weight: 500; font-size: 14px
; }
        .hero { padding: 80px 0; text-align: center; background: linear-gradient(1
35deg, #fff5f5 0%, #fff 100%); }
        h1 { font
-size: 3rem; color: var(--primary); margin-bottom: 20px; }

        .btn { display: inline-block; padding: 12px 30px; background: var(--primary);
 color: #fff; text-decoration: none; border-radius: 4px; font-weight: bold
; transition: 0.3s; }
        .btn:hover { background: #c00;
 }
        section { padding: 60px 0; }
        h2 { text-align: center; margin-bottom
: 40px; font-size: 2rem; }
        .grid { display: grid; grid
-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 3
0px; }
        .card { padding: 30px; border: 1px solid #eee
; border-radius: 8px; transition: 0.3s; }
        .card:hover
 { border-color: var(--primary); box-shadow: 0 10px 20px rgba(0,0,
0,0.05); }
        .faq-item { margin-bottom: 15px; border-bottom
: 1px solid #eee; padding-bottom: 10px; }
        .faq-question { cursor: pointer
; font-weight: bold; display: flex; justify-content: space-between; }
        .faq-answer { display
: none; padding-top: 10px; color: #666; }
        footer { background
: var(--dark); color: #fff; padding: 40px 0; text-align: center
; }
        .footer-links a { color: #ccc; margin: 0 10px; text
-decoration: none; }