/*母版top切换*/
#content_box-1617262412831-0 {
  position: relative;
}
/*除去第一个列表，其他置底*/
#content_box-1617262412831-0 > div:not(:first-child) {
  position: absolute;
  z-index: -1;
  top:0;
  left:0;
  background: #fff;
  width:100% !important;
  height:auto !important;
}
/*默认第一个列表显示*/
#content_box-1617262412831-0 > div:first-child {
  position: relative;
  background: #fff;
  z-index: 1;
}