.tree-node-dropover > .arco-tree-node-title,
.tree-node-dropover > .arco-tree-node-title:hover {
  animation: blink-bg 0.4s 2;
}

@keyframes blink-bg {
  0% {
    background-color: transparent;
  }

  100% {
    background-color: var(--color-primary-light-1);
  }
}