.main_content {
  width: 1200px;
  overflow: visible;
}

.main_content_content {
  width: 1200px;
  background: #fff;
  padding: 20px 20px;
}

.card_title {
  margin-bottom: 30px;
  border-bottom: 1px solid #e8e8e8;
  height: 36px;
}

.part_item {
  width: 100%;
  margin-bottom: 8px;
  font-size: 0;
}

.part_item .link_item {
  width: 216px;
  height: 46px;
  /* line-height: 46px; */
  text-align: center;
  font-family: MicrosoftYaHei;
  font-size: 14px;
  font-weight: normal;
  font-stretch: normal;
  letter-spacing: 0px;
  color: #333333;
  cursor: pointer;
  display: inline-block;
  margin-left: 20px;
  margin-bottom: 22px;
  position: relative;
}

.part_item .link_item .link_item_text {
  display: block;
  /* width: 100%; */
  height: 46px;
  background-color: #ecf6ff;
  cursor: pointer;
  position: relative;
  display: table-cell;
  vertical-align: middle;
  width: 216px;
  padding: 0 36px;
  color: #1e8dde;
}

.part_item .link_item.has_children .link_item_text .open-icon {
  background-image: url(01-11-open-8-blue.png);
  position: absolute;
  top: 20px;
  right: 20px;
  width: 8px;
  height: 8px;
  display: none;
  /* background-size: 100% 100%; */
}

.part_item .link_item.has_children .link_item_text .open-icon {
  display: block;
}

.part_item .link_item.has_children .link_item_text:hover .open-icon,
.part_item .link_item.link_item_active .link_item_text .open-icon {
  background-image: url(01-11-open-8-fff.png);
}

.part_item .link_item_text:hover,
.part_item .link_item_active .link_item_text {
  background-color: #1e8dde;
  color: #ffffff;
}

.part_item .link_item .dropdown_content {
  position: absolute;
  top: 46px;
  left: 0;
  width: 100%;
  /* padding: 4px 0; */
  display: none;
  border: solid 1px #1e8dde;
  /* max-height: 194px; */
  overflow-x: hidden;
  overflow-y: auto !important;
  z-index: 1;
  background-color: #eaf6ff;
  /* margin-bottom: 20px; */

  max-height: 350px;
}

.part_item .link_item .dropdown_content::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}

.part_item .link_item .dropdown_content::-webkit-scrollbar-thumb {
  background: #eaf6ff;
}

.part_item .link_item .dropdown_content::-webkit-scrollbar-track {
  background: #eaf6ff;
}

.part_item .link_item .dropdown_item {
  width: 100%;
  /* height: 46px; */
  /* line-height: 46px; */
  text-align: center;
  background-color: #eaf6ff;
  font-family: MicrosoftYaHei;
  font-size: 14px;
  font-weight: normal;
  font-stretch: normal;
  letter-spacing: 0px;
  color: #333333;
  cursor: pointer;
  padding: 12px 0px;
}

.part_item .link_item .dropdown_item:hover {
  background-color: #e8f4ff;
  color: #48abff;
}

@media screen and (max-width: 1200px) {
  .main_content {
    width: 100%;
  }

  .main_content_content {
    width: calc(100% + .3rem);
  }

  .card_title {
    margin-bottom: .20rem;
    height: 0.47rem;
    border-bottom: 0.01rem solid rgb(232, 232, 232);
    width: 6.91rem;
  }

  .part_item {
    margin-bottom: .21rem;
  }

  .part_item .link_item {
    width: 2.17rem;
    height: .71rem;
    /* line-height: .78rem; */
    font-size: 0.26rem;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: rgba(30, 141, 222, 1);
    /* margin-right: .2rem; */
    margin-right: 0.15rem;
    margin-bottom: .27rem;
    margin-left: 0;
  }

  .part_item .link_item .link_item_text {
    background-color: rgba(247,247,247,1);
    width: 2.17rem;
    height: 0.71rem;
    padding: 0;
  }

  .part_item .link_item.has_children .link_item_text::after {
    content: "+";
    right: .3rem;
    top: 0;
  }

  .part_item .link_item_active .link_item_text {
    background-color: #48abff;
    color: #ffffff;
  }

  .part_item .link_item .dropdown_content {
    position: absolute;
    top: .78rem;
    left: 0;
    width: 100%;
    padding: .04rem 0;
    display: none;
    border: solid 1px #f5f5f5;
    max-height: 2.44rem;
  }

  .part_item .link_item .dropdown_content::-webkit-scrollbar {
    width: 4px;
    height: 4px;
  }

  .part_item .link_item .dropdown_content::-webkit-scrollbar-thumb {
    background: #cbcbcb;
  }

  .part_item .link_item .dropdown_content::-webkit-scrollbar-track {
    background: #fff;
  }

  .part_item .link_item .dropdown_item {
    height: .78rem;
    line-height: .26rem;
    font-size: .26rem;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .part_item .link_item_text:hover{
    color: rgba(30, 141, 222, 1);
  }
  .part_item .link_item_active .link_item_text:hover{
    color: #fff;
  }
}