:root{font-family:system-ui,"Microsoft YaHei","PingFang SC",sans-serif;color:#202428;background:#f4f6f8;letter-spacing:0}
*{box-sizing:border-box}body{margin:0}main{width:min(100%,440px);margin:0 auto;padding:28px 20px}
header{border-bottom:2px solid #15803d;padding-bottom:18px}header span{font-size:14px;color:#59626b}h1{font-size:26px;margin:8px 0 0}
#venue{font-size:17px;line-height:1.6;overflow-wrap:anywhere;margin-bottom:6px}#slot{color:#555;font-size:16px}
.code{width:100%;aspect-ratio:1;background:white;display:grid;place-items:center;position:relative;border:1px solid #d8dee4;margin-top:22px;padding:12%}
#qr{width:100%;height:100%;object-fit:contain;image-rendering:pixelated}#qr[hidden]{display:none}#status{text-align:center;padding:24px;line-height:1.7;font-size:16px;color:#59626b}
#expiry{text-align:center;font-size:14px;min-height:22px;color:#15803d}