html.radar-booting body > * { visibility: hidden !important; }
html.radar-booting body::before {
  content: "Открываем…";
  visibility: visible !important;
  position: fixed; inset: 0; display: flex; align-items: center; justify-content: center;
  font: 600 16px/1.4 system-ui, sans-serif; color: #5c6570; background: #f5f6f8;
}