.woocommerce-product-gallery{
  min-height: 480px;
  aspect-ratio: 1 / 1;
}
.woocommerce-product-gallery .woocommerce-product-gallery__image img{
  height: auto;
  width: auto;
  max-height: 377px;
  max-width: 100%;
  object-fit: contain;
}
.ep-variation-gallery-active .woocommerce-product-gallery{ opacity:0; visibility:hidden; }
.woocommerce-product-gallery.ep-gallery-loading{ opacity:0; visibility:hidden; }
.ep-variation-gallery-active .woocommerce-product-gallery.ep-gallery-ready{
  opacity:1;
  visibility:visible;
  transition: opacity .2s ease;
}
@media (max-width: 768px){
  .woocommerce-product-gallery{ min-height: 360px; }
  .woocommerce-product-gallery .woocommerce-product-gallery__image img{ max-height: 300px; }
}