*{box-sizing:border-box}html{background:#d7d7d7}body{margin:0;background:#d7d7d7;color:#171717;font-family:Arial,Helvetica,sans-serif}.page-shell{width:min(100%,430px);min-height:100vh;margin:auto;background:#fff}.page-header{height:58px;padding:7px 12px;background:#050505;display:flex;align-items:center;position:sticky;top:0;z-index:5}.page-header img{width:92px;height:auto}.page-header a:first-child{display:block}.back-home{margin-left:auto;color:#fff;text-decoration:none;font-size:11px;font-weight:800}.page-content{padding:24px 20px 48px}.page-content h1{margin:0 0 18px;color:#9e0000;font-size:24px}.page-content h2{margin:24px 0 8px;font-size:17px}.page-content p,.page-content li{font-size:14px;line-height:1.55;color:#4b5563}.page-content ul{padding-left:20px}.page-content a{color:#8f0000;font-weight:700}.notice{padding:12px;border-left:4px solid #9e0000;background:#f5f6f8}.page-footer{padding:20px;text-align:center;border-top:1px solid #e5e7eb}.page-footer nav{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 14px}.page-footer a{color:#111;font-size:11px;font-weight:700}.page-footer p{font-size:10px;color:#71809a}