/*产品内页经过*/
.layer1.change .layer2{
    display: block !important;
}
.layer1 li .layer2 {
    position: relative;
    left: 210px;
    top: 0px;
    width: 240px;
    padding: 10px 20px;
    background: #f5f6f6;
    border-bottom: 2px solid #3a78c1;
    z-index: 9999;
}
.layer1 .list_item{
    padding-left: 20px;
    display: block;
    color: #333;
    font:600 17px/52px "Microsoft yahei";
}
.xypg-left-nav>li .first-nav-btn2{
    width: 45px !important;
    top: 10px;
    left: 83% !important;
}