@media only screen  and (min-device-width : 768px)  and (max-device-width : 1024px)  and (orientation : portrait){
    .welcome-change{
        top: 88% !important;
    }
}
.top-img{
    position: relative;
    height: 3.5rem;;
    /*background: url(../image/bussiness/business-header.png) center no-repeat;*/
    /*background-size: 150%;*/
    /*height: 6rem;*/
    /*background-position-y: 0rem;*/
}
.top-img img{
    height:100% ;
}
.ex-1,.ex-2,.ex-3,.ex-4,.ex-5{
    position: absolute;
}
.ex-1{
    left: 0.4rem;
    width: 45% !important;
    top: 0.2rem;
    height: auto !important;
}
.ex-2,.ex-3,.ex-4{
    width: 15% !important;
    height: auto !important;
    left: 0.4rem;
    bottom: 0.1rem;
}
.ex-3{
    left: 1.6rem;
}
.ex-4{
    left: 2.8rem;
}
.ex-5{
    width: 45% !important;
    right: 0;
    height: 90% !important;
    bottom: 0;
}
.se-mai{
    width: 100%;
    /*display: flex;*/
    /*text-align: left;*/
}
.se-mai img{
    width: 42%;
    /*margin-top: 0.2rem;*/
    /*margin-left: 5.3%;*/
}
.img-left{
    margin-right: 0.1rem;
}
.img-right{
    margin-left: 0.1rem;
}
.blob{
    width: 25%;
    margin: 0 auto;
    margin-top: 0.6rem;
    margin-bottom: 0.1rem;
    border-bottom: solid 1px rgba(208, 207, 207, 1);
    padding-bottom: 0.1rem;
}
.ex-range{
    background: url("../image/exhibition/range-bg.png") no-repeat center;
    background-size: 100% 100%;
    padding-bottom: 0.8rem;
}
.ra-img{
    width: 80%;
    margin: 0 auto;
}

.ra-img img{
    width: 30%;
}
.ra-img2{
    width: 33%;
    margin: 0 0.1rem;
}
.ra-tit{
    display: flex;
    width: 80%;
    margin: 0 auto;
}
.ra-tit img{
    width: 40%;
    height: 0.36rem;
}
.ra-tits{
    width: 20%;
    /*padding: 0.1rem;*/
    font-size: 0.2rem;
    font-weight: bold;
}
.ra-tit-all{
    padding: 0.3rem 0;
    /*margin:0.3rem 0;*/
    background: white;
    width: 90%;
    margin: 0 auto;
    margin-top: 0.3rem;
}
.ex-range .blob{
    padding-top: 0.3rem;
}
.ex-media-img{
    width: 95%;
    margin: 0 auto;
}
.ex-media-img img{
    width: 100%;
}
.ex-media .blob,.ex-figure .blob{
    width: 40%;
}
.figure-img{
    width: 93%;
    margin: 0 auto;
}
.text-tit{
    margin-bottom: 0.4rem;
}
.figure-img img{
    width: 100%;
    margin-bottom: 0.2rem;
}
.ex-case{
    background: url("../image/exhibition/case-bg.png") no-repeat center;
    background-size: 100% 100%;
    padding: 0 0.2rem 0.3rem 0.2rem;
}
.ex-case img{
    width: 100%;
}
.case-img1,.case-img2,.case-img3{
    display: flex;
    font-size: 0.2rem;
    position: relative;
    color: white;
    flex-wrap: wrap;
}
.case-img1 .case-img2-tit,.case-img2 .case-img2-tit,.case-img3 .case-img2-tit{
    position: absolute;
    background: rgba(0, 0, 0, 0.6);
    width: 96%;
    bottom: 1px;
    padding: 0.05rem 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.case-img2 .case-img2-tit{
    width: 94%;
}
.case-img2 .case-img2-div{
    width: 25%;
    padding: 0.05rem;
    position: relative;
}
.case-img1 .case-img2-div ,.case-img3 .case-img2-div{
    width: 33.3%;
    padding: 0.05rem;
    position: relative;
}