*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:Arial,sans-serif;background:#edf4f2}
body{display:flex;justify-content:center}
.portal{
  position:relative;
  width:min(100vw,1024px);
  aspect-ratio:2/3;
  background:url('layout.png') center top/100% 100% no-repeat;
  overflow:hidden;
}
.hotspot-form{position:absolute;inset:0}
.qr-hit{
  position:absolute;left:19.2%;top:40.4%;width:61.6%;height:17.8%;
  border:0;background:transparent;cursor:pointer
}
.username,.password{
  position:absolute;left:22.3%;width:55.5%;height:3.9%;
  border:0;background:transparent;outline:none;
  padding:0 5.4%;font-size:1.55vw;color:#323b39
}
.username{top:61.5%}.password{top:66.0%}
.toggle{
  position:absolute;right:21.8%;top:66.0%;width:7%;height:3.9%;
  border:0;background:transparent;cursor:pointer
}
.login-hit{
  position:absolute;left:19.6%;top:70.8%;width:60.8%;height:3.6%;
  border:0;background:transparent;cursor:pointer
}
.trial-hit{
  position:absolute;left:19.6%;top:75.5%;width:29.3%;height:3.5%;
  border:0;background:transparent;cursor:pointer
}
.info-hit{
  position:absolute;left:51.2%;top:75.5%;width:29.3%;height:3.5%;
  border:0;background:transparent;cursor:pointer
}
.error{
  position:absolute;left:20%;right:20%;top:37.8%;
  background:#ffe8e5;color:#9b3027;border-radius:8px;padding:8px;
  font-size:14px;text-align:center;z-index:3
}
.scanner{position:fixed;inset:0;background:#07110f;color:#fff;z-index:99;display:none}
.scanner.open{display:block}
.scanner-head{height:58px;background:#00695c;display:flex;align-items:center;justify-content:center;font-weight:bold}
.scanner-head button{position:absolute;left:12px;border:0;background:none;color:#fff;font-size:28px}
.scanner-body{position:relative;height:calc(100vh - 58px);overflow:hidden}
.scanner-body video{position:absolute;width:100%;height:100%;object-fit:cover}
.shade{position:absolute;inset:0;background:rgba(0,0,0,.30)}
.frame{position:absolute;left:50%;top:43%;transform:translate(-50%,-50%);width:min(74vw,310px);aspect-ratio:1;border:3px solid #fff;border-radius:20px;box-shadow:0 0 0 999px rgba(0,0,0,.35)}
.line{position:absolute;left:7%;right:7%;top:10%;height:2px;background:#12c4aa;box-shadow:0 0 13px #12c4aa;animation:scan 2s infinite ease-in-out}
@keyframes scan{50%{top:90%}}
.scan-note{position:absolute;left:0;right:0;bottom:126px;text-align:center;font-size:13px}
.scan-actions{position:absolute;left:20px;right:20px;bottom:28px;display:flex;justify-content:space-around}
.scan-actions button{border:0;border-radius:15px;padding:12px 19px;background:rgba(255,255,255,.12);color:#fff}
.result{display:none;position:absolute;z-index:5;left:16px;right:16px;bottom:18px;background:#fff;color:#273b37;border-radius:18px;padding:18px}
.result.show{display:block}
.result dl{display:grid;grid-template-columns:95px 1fr;margin:0}
.result dt,.result dd{margin:0;padding:5px 0}
.result button{width:100%;height:44px;border:0;border-radius:9px;background:#00695c;color:#fff;font-weight:bold}
.loading{position:fixed;inset:0;z-index:120;background:#f9fbfa;display:none;place-items:center;text-align:center}
.loading.open{display:grid}
.spinner{width:82px;height:82px;border:6px solid #dce7e4;border-top-color:#00695c;border-radius:50%;margin:auto;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.info-page{position:fixed;inset:0;background:#f8fbfa;z-index:80;display:none;padding:20px}
.info-page.open{display:block}
.info-card{max-width:430px;margin:40px auto;background:#fff;border-radius:18px;padding:22px;box-shadow:0 8px 30px rgba(0,0,0,.12)}
.info-card h2{color:#00695c}.info-card button{width:100%;height:44px;border:0;border-radius:9px;background:#00695c;color:#fff;font-weight:bold}
@media(max-width:700px){
 .portal{width:100vw;height:auto;min-height:100vh;background-size:100% auto}
 .username,.password{font-size:3.6vw}
}