.mb60{margin-bottom: 60px;}
.zt1{
    background: url(../../img/solution/zt1.png) center no-repeat;
    width: 100%;
    height: 100px;
    display: block;
}
.zt2{
    background: url(../../img/solution/zt2.png) center no-repeat;
    width: 100%;
    height: 100px;
    display: block;
}
.zt3{
    background: url(../../img/solution/zt3.png) center no-repeat;
    width: 100%;
    height: 100px;
    display: block;
}
.zt4{
    background: url(../../img/solution/zt4.png) center no-repeat;
    width: 100%;
    height: 100px;
    display: block;
}
.banner2{ width: 990px; overflow: hidden; position: relative; margin: 0 auto;}
.banner2 .box3 ul{ overflow: hidden; position: absolute; left: 0px;}
.banner2 .box3 li{ float: left;}
.fade{width: 990px; margin: 0 auto;}
.slick-prev::before, .slick-next::before{color: #000000;font-size: 40px;}
.slick-prev{left: -45px;}
.slick-next {right: -45px;}
.slick-prev, .slick-next{width: 40px;height: 40px;}
.ztgh_text{position: relative;z-index: 99;margin-top: -500px;margin-left: 100px; color: #FFFFFF;text-align: left;height: 500px;}
/*.slick-prev, .slick-next{background: url(../../img/left.png) no-repeat center;}*/
/*.banner2 .box3{ width: 702px;}*/
/*.l_btn{ z-index: 9;cursor: pointer; width: 57px; height: 62px; background: url(../../img/solution/left-btn.png) no-repeat; position: absolute; left: 140px;}
.r_btn{ z-index: 9; cursor: pointer;width: 57px; height: 62px; background: url(../../img/solution/right-btn.png) no-repeat; position: absolute; right: 140px;}*/