.disnone{
    display: none !important;
}
.hang1{
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
}
.hang2{
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box !important;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.hang3{
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box !important;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}
.midd {
    transform: translateY(-50%);
    top: 50%;
    position: relative;
}

.menu > ul > li:hover .menu_2{
    display:block;
}
.menu_2{
    display:none; width:140%; height:auto; position:absolute; top:60px; left:-20%; background:#fffefc;
}
.menu_2 li{
    height:40px; line-height:40px; float:none; background:none !important;
}
.menu_2 li a{
    width:100%; padding:0 2px; height:auto; text-align:center; background:none !important;
}