nav {
  width: 100%;
  height: 57px;
  background: #005EA5;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  position: relative;
}

nav .link {
  font-family: PoppinsRegular, 'Microsoft YaHei UI';
  color: #fff;
  position: relative;
  z-index: 3;
  display: flex;
  justify-content: center;
}

nav .link a {
  color: #fff;
}

nav .link:before {
  transition: all 0.3s;
  content: '';
  width: 0;
  height: 2px;
  position: absolute;
  background: #4c8ec0;
  bottom: -8px;
  z-index: 3;
}


nav .item_two_list a:after {
  transition: all 0.3s;
  content: '';
  width: 0;
  height: 2px;
  position: absolute;
  background: #4c8ec0;
  bottom: -8px;
  z-index: 3;
}

nav .item_two_list a:hover:after {
  width: 100%;
}

nav .link:first-child:hover .item_two_list {
  display: block;
}

nav .link .item_two_list a {
  font-family: PoppinsRegular;
  position: relative;
  color: #fff;
  font-size: 18px;
  padding-left: 15rem;
}

nav .item_two_list a:before {
  position: absolute;
  left: 0;
  content: "";
  width: 6rem;
  height: 6rem;
  border-top: 1rem solid #fff;
  border-right: 1rem solid #fff;
  transform: rotate(45deg);
}

nav .item_two_list::before {
  content: '';
  width: 100%;
  height: 57px;
  position: absolute;
  top: -57px;
  left: 0;
  z-index: -1;

}

nav .link:hover:before {
  width: 80%;
}

nav .item_two_list {
  display: none;
  position: absolute;
  width: 253px;
  left: -31%;
  top: 32px;
  z-index: 2;
  background: rgba(0, 94, 164, 0.95);
  padding: 22px 24px !important;
}

@media screen and (max-width: 768px) {
  nav {
    display: none;
  }
}

.mobile_top_fun .menu_icon.selected {
  display: none;
}

.menu-close {
  position: absolute;
  top: 10px;
  right: 50rem;
  z-index: 1;
  border-bottom:none!important;
}

.menu-close .menu_icon.selected::before,
.menu-close .menu_icon.selected::after {
  background: #fff;
}