.gm-block {
  --gm-h-d: 480px;
  --gm-h-t: 380px;
  --gm-h-m: 280px;
  --gm-gs: 0;
  display: block;
  width: 100%;
  height: var(--gm-h-d);
  position: relative;
  overflow: hidden;
}
@media (max-width: 1024px) {
  .gm-block {
    height: var(--gm-h-t);
  }
}
@media (max-width: 600px) {
  .gm-block {
    height: var(--gm-h-m);
  }
}
.gm-block__iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  filter: grayscale(var(--gm-gs));
  transition: filter 0.3s ease;
}
.gm-block__placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--theme-palette-color-7, #f0f2f5);
  color: var(--theme-palette-color-5, #666);
  font-style: italic;
}