.header_menu{
  height: 64px;
  background: rgba(8,201,232,0.1);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 999;
}
.logo{
  line-height: 64px;
}
.main_menu{
  display: flex;
  justify-content: flex-end;
}
.drop{
  margin: 0 20px;
}
.drop > a{
  line-height: 64px;
  color: #fff;
}
.nav_act a{
  color: #08c9e8 !important;
}

.main_menu_phone_img{
  text-align: right;
  line-height: 64px;
}
.overflow{
  width: 100%;
  height: 100vh;
  overflow: hidden;
}
@media(min-width: 768px){
  .phone_menu_nav{
    width: 700px;
    height: 100vh;
    background: #052532;
    position: fixed;
    top: 0px;
    right: 0;
    padding: 20px;
    box-sizing: border-box;
  }
  .nav_close{
    font-size: 28px;
    text-align: right;
    font-weight: 200 !important;
  }
  .nav_close span{
    color: #fff;
  }
  .phone_menu li{
    border-bottom: 1px solid #fff;
    line-height: 60px;
  }
  .phone_menu a{
    color: #fff;
  }

}
@media(max-width: 768px){
  .phone_menu_nav{
    width: 90%;
    height: 100vh;
    background: #052532;
    position: fixed;
    top: 0px;
    right: 0;
    padding: 20px;
    box-sizing: border-box;
  }
  .nav_close{
    font-size: 28px;
    text-align: right;
    font-weight: 200 !important;
  }
  .nav_close span{
    color: #fff;
  }
  .phone_menu li{
    border-bottom: 1px solid #fff;
    line-height: 60px;
  }
  .phone_menu a{
    color: #fff;
  }
}