.side_nav_box {
  width: 220px;
  min-height: 100vh;
  background: #fff;
}

.side_nav_box .side_nav {
  font-size: 14px;
  color: #999;
  position: sticky;
  top: 125px;
  overflow: auto;
  max-height: calc(100vh - 145px);
  padding-bottom: 20px;
  width: 220px;
  /* height: 869px; */
}

.side_nav_box .side_nav .side_nav_li {
  line-height: 40px;
}

.side_nav_box .side_nav .side_nav_li .nav_li_div {
  cursor: pointer;
  padding-left: 24px;
  padding-right: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.side_nav_box .side_nav .side_nav_li .nav_li_div img {
  transform: rotate(0);
  -webkit-transform: rotate(0deg);
  transition: transform 0.5s;
}

.side_nav_box .side_nav .side_nav_li .nav_li_div img.navDropDown {
  transform: rotate(180deg);
}

.side_nav_box .side_nav .side_nav_li .nav_ul_son {
  display: none;
  font-size: 13px;
  color: #666;
}

.side_nav_box .side_nav .side_nav_li .nav_ul_son .ul_son_li {
  line-height: 36px;
  box-sizing: border-box;
}

.side_nav_box .side_nav .side_nav_li .nav_ul_son .ul_son_li .ul_son_div {
  cursor: pointer;
  padding-left: 20px;
  display: flex;
  align-items: center;
}

.side_nav_box .side_nav .side_nav_li .nav_ul_son .ul_son_li .ul_son_no_img {
  padding-left: 34px;
}

.side_nav_box .side_nav .side_nav_li .nav_ul_son .ul_son_li .ul_son_div.click_li {
  background: #e6f7ff;
  color: #1890ff;
  font-weight: 600;
  border-right: 2px solid #1890ff;
}

.side_nav_box .side_nav .side_nav_li .nav_ul_son .ul_son_li .ul_son_div.overview_div {
  padding-left: 38px;
}

.side_nav_box .side_nav .side_nav_li .nav_ul_son .ul_son_li .ul_son_div.overview_hover {
  color: #1890ff;
}

.side_nav_box .side_nav .side_nav_li .nav_ul_son .ul_son_li .ul_son_div img {
  margin-right: 4px;
  transform: rotate(0);
  -webkit-transform: rotate(0deg);
  transition: transform 0.5s;
}

.side_nav_box .side_nav .side_nav_li .nav_ul_son .ul_son_li .ul_son_div img.navRight {
  transform: rotate(90deg);
}

.side_nav_box .side_nav .side_nav_li .nav_ul_son .ul_son_li .nav_ul_grandson {
  font-size: 13px;
  color: #323232;
  line-height: 32px;
  display: none;
}

.side_nav_box .side_nav .side_nav_li .nav_ul_son .ul_son_li .nav_ul_grandson li {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 0 12px 0 38px;
  box-sizing: border-box;
  cursor: pointer;
}

.side_nav_box .side_nav .side_nav_li .nav_ul_son .ul_son_li .nav_ul_grandson li.click_li {
  background: #e6f7ff;
  color: #1890ff;
  font-weight: 600;
  border-right: 2px solid #1890ff;
}

.side_nav_box .side_nav .side_nav_li .nav_ul_son .ul_son_li .nav_ul_grandson li:hover {
  color: #1890ff;
}

.side_nav_box .side_nav .side_nav_li .nav_ul_son a {
  color: inherit;
  display: block;
}