/* YuanFeng V52.41 — product-detail hero height: current desktop ratio height + 5cm.
   Mobile preserves its current 16:9 base height, then adds the same 5cm. */
.dtlProducts .dtlTopicimg > div{
  aspect-ratio:auto!important;
  height:calc(34.375vw + 5cm)!important; /* old 16/5.5 height + 5cm */
}
.dtlProducts .dtlTopicimg > .yf-ds063-hero-v5241{
  background-size:contain!important;
  background-color:#bdbdbd!important;
}
@media(max-width:750px){
  .dtlProducts .dtlTopicimg > div{
    height:calc(56.25vw + 5cm)!important; /* old 16/9 height + 5cm */
  }
}