.lowcode-left-area-nav {
  width: 48px;
  height: 100%;
  background: #ffffff;
  border-right: 1px solid #e8ebee;
  position: relative;
  .top-area {
    position: absolute;
    top: 0;
    width: 100%;
    background: #ffffff;
    max-height: 100%;
  }
  .bottom-area {
    position: absolute;
    bottom: 20px;
    width: 100%;
    background: #ffffff;
    max-height: calc(100% - 20px);
  }
}