鼠标移入出现滚动条```js ``````js ``````js ``````js ``````js ``````js

<style>
.el-table td.el-table__cell div::-webkit-scrollbar {
  width: 3px;
  height: 7px;
  background: transparent;
}

.el-table td.el-table__cell div::-webkit-scrollbar-track {
  background: transparent; /* 默认轨道透明 */
  transition: background 0.5s ease; /* 添加轨道渐变效果 */
}

.el-table td.el-table__cell div::-webkit-scrollbar-thumb {
  background-color: transparent; /* 默认滑块透明 */
  transition: background-color 0.5s ease; /* 添加滑块渐变效果 */
}

/* 鼠标移入时显示滚动条 */
.el-table td.el-table__cell div:hover::-webkit-scrollbar-thumb {
  background-color: rgba(162, 164, 168, 0.5); /* 滑块颜色 */
}

.el-table td.el-table__cell div:hover::-webkit-scrollbar-track {
  background: rgba(123, 134, 132, 0.1); /* 轨道颜色 */
}
</style>