.douyin-video__frame {
  position: relative;
  width: 100%;
  max-width: 324px !important;
  aspect-ratio: 9 / 20 !important;
  margin-inline: auto;
  padding: 0;
  border: 0;
  overflow: hidden;
}
.douyin-video__frame > iframe {
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  width: 324px !important;
  height: 720px !important;
  max-width: none !important;
  border: 0;
  transform: scale(1);
  transform-origin: 0 0;
}