header {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 62px;
  z-index: 3;
  background-color: rgba(255, 255, 255, 0.8);
}
.hover_wrap ul::-webkit-scrollbar{
 width: 8px; 
 height: 8px; 
}
.hover_wrap ul::-webkit-scrollbar-thumb{
background: #c1c1c1;
 border-radius: 10px;
 transition: background 0.3s;
}
.hover_wrap ul::-webkit-scrollbar-track{
 background: #f1f1f1;
 border-radius: 10px;
}
header .menuBox {
  display: flex;
  height: 100%;
}
header .menuBox .menu_item {
  flex: 1;
  height: 100%;
  position: relative;
  cursor: pointer;
}
header .menuBox .menu_item:hover .menu_fatherBox span {
  transform: rotate(-180deg);
}
header .menuBox .menu_item:hover .hover_wrap {
  transform: scaleY(1) translateX(-50%);
}
.threeBox_cate{
width:480px;
    display: flex;
    flex-wrap: wrap
}
.threeBox_cate li{
float:left;
}


header .menuBox .menu_item .hover_wrap {
  min-width: 100%;
  position: absolute;
  top: 100%;
left:50%;
  z-index: 3;
  transform: scaleY(0) translateX(-50%);
  transition: linear 0.15s;
  transform-origin: top center;
  background-color: #fff;
  box-shadow: 1px 4px 10px 2px rgba(0, 0, 0, 0.3);
}
header .menuBox .menu_item .hover_wrap a {
  display: inline-block;
  white-space: nowrap;
  text-align: center;
  width: 100%;
  padding: 15px;
  color: #013c6b;
  font-weight: bold;
  font-size: 18px;
  transition: linear 0.1s;
    width: 190px;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}
header .menuBox .menu_item .hover_wrap a:hover {
  background-color: #2861ad;
  color: #fff;
}
header .menuBox .menu_item .father_title {
  color: #013c6b;
  font-weight: bold;
  font-size: 18px;
}
header .menuBox .menu_item .menu_fatherBox {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
header .menuBox .menu_item .menu_fatherBox span {
  width: 19px;
  height: 19px;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #fff;
  border-radius: 50%;
  margin-left: 7px;
  transition: linear 0.35s;
}
header .menuBox .menu_item .menu_fatherBox span img {
  width: 8.93px;
  height: 5.15px;
}