#desktop-qr {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 10000;
  width: 172px;
  padding: 12px;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 12px 36px rgba(0, 0, 0, .3);
  color: #0f172a;
  font: 600 12px/1.4 system-ui, sans-serif;
  text-align: center;
  box-sizing: border-box;
}
#desktop-qr-code { width: 136px; height: 136px; margin: 12px auto 8px; }
#desktop-qr-code img, #desktop-qr-code canvas {
  width: 136px !important;
  height: 136px !important;
  display: block;
}
#desktop-qr a { color: #1e3a8a; }
#close-qr {
  float: right;
  border: 0;
  background: none;
  color: #475569;
  padding: 0;
  cursor: pointer;
  font: 20px/1 system-ui, sans-serif;
}
@media (max-width: 767px) { #desktop-qr { display: none; } }