:root { --
primary: #0052cc; --dark: #1a1a1a; --light: #f8
f9fa; --accent: #00c6ff; --blue-deep: #002d7
2; }
        * { box-sizing: border-box; margin: 0; padding: 0
; }
        body { font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif; color: #
333; line-height: 1.6; background: #fff; }
        .container { max-width:
 1200px; margin: 0 auto; padding: 0 20px; }
        header { background:
 #fff; border-bottom: 1px solid #eee; padding: 15px 0; position: sticky; top:
 0; z-index: 1000; }
        .nav-wrapper { display: flex
; align-items: center; justify-content: space-between; }
        .logo-box { width: 15
0px; }
        .nav-links { display: flex; gap: 0; align-items:
 center; }
        .nav-links a { text-decoration: none; color: var(--dark); padding: 
10px 15px; font-weight: 500; transition: 0.3s
; }
        .nav-links a:hover { color: var(--primary); }
        .hero {
 padding: 80px 0; background: linear-gradient(135deg, #f0f7ff, #
eef2ff); text-align: center; }
        h1 { font-size: 2.5rem; margin-
bottom: 20px; color: var(--blue-deep); }
        .btn { display: inline-block
; padding: 12px 30px; background: var(--primary); color: #fff; border-radius:
 5px; text-decoration: none; margin: 10px; transition: 0.3s; }
        .
btn:hover { background: #003d99; transform: translateY(-2px); }
        section
 { padding: 60px 0; }
        .grid { display: grid; grid-template-columns
: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }

        .card { padding: 30px; border: 1px solid #eee; border-radius: 10
px; background: #fff; transition: 0.3s; }
        .card:hover { box
-shadow: 0 10px 20px rgba(0,0,0,0.1); }

        table { width: 100%; border-collapse: collapse; margin-top: 20
px; }
        th, td { padding: 15px; border: 1px solid #eee; text
-align: left; }
        footer { background: var(--blue-deep); color: #fff; padding: 4
0px 0; text-align: center; }
        .contact-info { margin-top: 20
px; }
        .faq-item { margin-bottom: 15px; border-bottom: 1px solid #
eee; padding-bottom: 10px; }
        .faq-question { font-weight: bold
; cursor: pointer; display: block; }
        .faq-answer { display: none; padding: 10px 
0; color: #666; }