/* Tùy chỉnh giao diện trang sản phẩm B2B */
.cursor-pointer { cursor: pointer; }
.cursor-zoom { cursor: zoom-in; }
.thumb-container::-webkit-scrollbar { height: 4px; }
.thumb-container::-webkit-scrollbar-thumb { background: #ccc; border-radius: 4px; }
.product-description-content img { max-width: 100%; height: auto; border-radius: 8px; }
.transition-transform { transition: transform 0.2s ease; }

/* Định dạng Tab hiện đại */
.nav-tabs .nav-link {
  border-bottom: 3px solid transparent !important;
  color: #495057;
}
.nav-tabs .nav-link.active {
  border-bottom: 3px solid #0d6efd !important;
  color: #0d6efd !important;
  background-color: #f8f9fa !important;
}

@media (max-width: 768px) {
  .carousel-item img { max-height: 260px !important; }
}