/* Billion Chemical — 3.8.137-safe106 RC33
   Product detail back-navigation visibility only. */
.shop-product-page .product-detail-topbar .shell{
  min-height:64px!important;
  display:flex!important;
  align-items:center!important;
  justify-content:space-between!important;
  gap:20px!important;
}
.shop-product-page .product-back-link-r106{
  display:inline-flex!important;
  align-items:center!important;
  justify-content:center!important;
  gap:8px!important;
  min-height:42px!important;
  padding:0 17px!important;
  border:1px solid #cbd9ea!important;
  border-radius:9px!important;
  background:#fff!important;
  color:#001b97!important;
  font-size:14px!important;
  font-weight:800!important;
  line-height:1!important;
  box-shadow:0 5px 14px rgba(18,55,102,.06)!important;
  transition:background .18s,border-color .18s,color .18s,transform .18s,box-shadow .18s!important;
}
.shop-product-page .product-back-link-r106 span{font-size:17px!important;line-height:1!important}
.shop-product-page .product-back-link-r106 strong{font:inherit!important;color:inherit!important}
.shop-product-page .product-back-link-r106:hover{
  border-color:#001b97!important;background:#001b97!important;color:#fff!important;
  transform:translateX(-2px)!important;box-shadow:0 8px 18px rgba(0,27,151,.15)!important;
}
@media(max-width:760px){
  .shop-product-page .product-detail-topbar .shell{min-height:58px!important;gap:10px!important}
  .shop-product-page .product-back-link-r106{min-height:40px!important;padding:0 13px!important;font-size:13px!important}
  .shop-product-page .product-detail-topbar .shell>span{font-size:11px!important;text-align:right!important}
}