:root{--brand:#1f6feb;--bg:#f7f8fa;--text:#333;--muted:#777}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}
header{background:#fff;box-shadow:0 2px 6px rgba(0,0,0,.08);padding:14px 24px;display:flex;align-items:center;gap:14px;position:sticky;top:0;z-index:10}
header img{height:40px}
header .title{font-size:18px;font-weight:700}
nav a{margin-left:16px;color:var(--brand);text-decoration:none}
.banner{height:280px;background:url('assets/banner.png') center/cover no-repeat;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;text-align:center;text-shadow:0 2px 6px rgba(0,0,0,.5);}
.banner h2{font-size:36px;margin:0}
.banner p{margin-top:8px;opacity:.9}
.container{max-width:960px;margin:40px auto;padding:0 20px}
.card{background:#fff;border-radius:12px;box-shadow:0 2px 10px rgba(0,0,0,.06);padding:24px;margin-bottom:20px}
.notice{background:#fff8e1;border:1px solid #ffe08a;color:#7a5a00;padding:12px 16px;border-radius:8px;margin-bottom:20px;text-align:center}
.biz-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:16px}
.biz-item{text-align:center}
.biz-item img{height:50px;margin-bottom:8px}
.biz-item h4{margin:4px 0 6px;font-size:16px;color:var(--brand)}
.biz-item p{font-size:14px;color:var(--text)}
footer{background:#fff;text-align:center;padding:18px;margin-top:40px;color:var(--muted);font-size:14px}
h1,h2,h3{margin:0 0 12px 0}
p{line-height:1.7}
ul{line-height:1.7}