body{font:16px system-ui;background:#f4f5f7;color:#20242b;margin:0}main{max-width:700px;margin:40px auto;padding:24px;background:white;border-radius:16px}.banner{padding:14px;background:#fff0c2;border:2px solid #b07600;font-weight:700}input{box-sizing:border-box;width:100%;padding:14px;margin:10px 0}button{padding:10px 16px;margin:6px 8px 6px 0;cursor:pointer}li{padding:12px;border-top:1px solid #ddd}p{line-height:1.7}[hidden]{display:none!important}