/* Wartip V47 — public channel runtime performance, same visual appearance. */
@media (min-width: 851px){
  #wtPublicView > *:not(:first-child),
  .shop-grid > article,
  footer{
    content-visibility:auto;
    contain-intrinsic-size:1px 480px;
  }
}
.cover,.tabs,.card,.product-card,.wt-channel-cover-ambient{contain:layout paint style}
/* Ambient cover remains visually identical; isolate its expensive blur/paint. */
.wt-channel-cover-ambient{pointer-events:none;will-change:auto}
html.wt-tab-hidden *,html.wt-tab-hidden *::before,html.wt-tab-hidden *::after{animation-play-state:paused!important}
@media (max-width:850px){
  /* Fixed/large composited backgrounds are costly on mobile GPUs. Preserve the image while scrolling normally. */
  .wt-channel-cover-ambient{position:absolute!important}
}