@include b(panel){
  position: absolute;
  top:10px;
  bottom:10px;
  left: 10px;
  right: 10px;
  @include e(box){
    max-height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;

  }
  @include e(scroll){
    flex: 1 1 auto;
    max-height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    &::-webkit-scrollbar {
      width: 16px;
      height: 8px;
      margin-left: 10px;

    }

    /* 滚动条滑块 */
    &::-webkit-scrollbar-thumb {
      border-right:solid 8px rgba(255, 255, 255, 0.3);
      width: 0;
      background-color: inherit;
      //background: rgba(255, 255, 255, 0.3);
    }
  }
}