/* Approved neutral-background contour series, limited to the catalog section selector. */
.catalog-hall .catalog-elevator-car { background:#F5F6F7;isolation:isolate; }
.catalog-hall-art.catalog-contour-stage {
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  container-type:size;
  background:#F5F6F7;
  transition:none;
}
.catalog-contour-viewport {
  display:block;
  position:relative;
  flex:none;
  /* Leave room for the existing scale(1.04): the entire image remains in view. */
  width:min(96cqw,72cqh);
  aspect-ratio:3 / 4;
  overflow:hidden;
  mix-blend-mode:normal;
  transition:transform 4200ms var(--ui-ease);
}
.catalog-contour-viewport img {
  display:block;
  position:absolute;
  inset:0 auto auto 0;
  width:100%;
  max-width:none;
  height:100%;
  object-fit:contain;
  filter:none;
}
@media(prefers-reduced-motion:reduce) {
  .catalog-contour-viewport { transition:none;transform:none !important; }
}