:root { --primary
: #0056b3; --accent: #00a8ff; --text: #3
33; --bg: #f8f9fa; --white: #ffffff; }
        * {
 box-sizing: border-box; margin: 0; padding: 0; }
        body { font
-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; line-height: 
1.6; color: var(--text); background: var(--bg); }
        .container { max-
width: 1200px; margin: 0 auto; padding: 0 20px;
 }
        header { background: var(--white); padding: 15px 0; border-bottom: 1px
 solid #eee; position: sticky; top: 0; z-index: 1000; }
        .
nav-wrapper { display: flex; justify-content: space-between; align-items: center; }
        .nav
-links { display: flex; gap: 0; }
        .nav-links a { padding: 0
 15px; text-decoration: none; color: var(--text); font-weight: 50
0; transition: color 0.3s; }
        .hero { padding: 80px 0; text
-align: center; background: linear-gradient(135deg, #eef6ff 0%, #ffffff
 100%); }
        .hero h1 { font-size: 2.5rem; margin-bottom: 
20px; color: var(--primary); }
        .btn { display: inline-block; padding: 12
px 30px; background: var(--primary); color: var(--white); border-radius: 5px; text
-decoration: none; margin: 10px; transition: transform 0.2s; }
        .
section { padding: 60px 0; }
        .grid { display: grid; grid-template-columns
: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }

        .card { background: var(--white); padding: 30px; border-radius: 10px;
 box-shadow: 0 4px 6px rgba(0,0,0,0.05); }

        table { width: 100%; border-collapse: collapse; margin: 20px 
0; }
        th, td { border: 1px solid #ddd; padding: 12px;
 text-align: left; }
        .faq-item { margin-bottom: 10px; background: #fff
; padding: 15px; border-radius: 5px; cursor: pointer; border-left: 4
px solid var(--primary); }
        footer { background: #222; color: #ccc; padding: 4
0px 0; text-align: center; }
        .floating-kefu { position: fixed
; bottom: 30px; right: 30px; width: 60px; }