.PhotoList_i1 li{width: 23.3%;float: left;margin-right: 2.26%;margin-bottom: 1.5vw;}
.PhotoList_i1 li:nth-child(4n){margin-right: 0;}
.PhotoList_i1 li a{box-sizing: border-box; height: 14.5vw;display: block;position: relative;overflow: hidden; background-color: #fafafa;}
.PhotoList_i1 a img{position: absolute;left: 50%;top: 50%;max-height: 85%;max-width: 85%;transform: translate(-50%,-50%);
-ms-transform: translate(-50%,-50%);-webkit-transform: translate(-50%,-50%);transition:.5s all ease-out;-ms-transition:.5s all ease-out;-webkit-transition:.5s all ease-out;}
.PhotoList_i1 h4{display: none;}
.PhotoList_i1 li span{color: #2a2a2a;margin: 0 auto;margin-top: 12px;padding: 0 5%; box-sizing: border-box;font-size: 18px;text-align: center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display: block;}

.case_ys .PhotoList_i1 li,.case_ys .PhotoList_i1 li:nth-child(4n){width: 13.25%;margin-right: 4.1%;margin-bottom: 1.8vw;}
.case_ys .PhotoList_i1 li:nth-child(6n){margin-right: 0;}
.case_ys .PhotoList_i1 li a{background: #fff;height: 4.3vw;pointer-events: none;}
.case_ys .PhotoList_i1 h4,.case_ys .PhotoList_i1 li span{display: none;}
.case_ys .page{display: none !important;}
.honor-box .PhotoList_i1 li{background: #fafafa;padding-bottom: 1.5vw;}
.honor-box .PhotoList_i1 li span{font-size: 16px;}

.product_exhibition .PhotoList_i1 li,.product_exhibition li:nth-child(4n){width: 48.75%;margin-right: 2.5%;margin-bottom: 1.5vw;}
.product_exhibition .PhotoList_i1 li:nth-child(2n){margin-right: 0;}
.product_exhibition .PhotoList_i1 li a{height: 25.8vw;}
.product_exhibition .PhotoList_i1 a img{width: 100%;min-height: 100%;max-width: 100%;}
.product_exhibition .PhotoList_i1 li span,.product_exhibition .PhotoList_i1 h4{display: none;}
.product_exhibition .PhotoList_i1 a:after{content: "";display: block;width: 100%;height: 100%;background: url(../images/fangda.png) rgba(4,20,86,0.58) center no-repeat;background-size: 2.6vw auto;
position: absolute;left: 0;top: 0;opacity: 0;
transform: scale(1.1,1.1);
-ms-transform: scale(1.1,1.1);-webkit-transform: scale(1.1,1.1);
transition:.8s all ease-out;-ms-transition:.8s all ease-out;-webkit-transition:.8s all ease-out;}

.about_M .PhotoList_i1 ul{width: 93%;margin:0 auto;}
.about_M .PhotoList_i1 ul li{background-color: #fafafa;padding-bottom: 1vw;width: 31.3%;margin-right: 3.05%;}
.about_M .PhotoList_i1 ul li:nth-child(3n){margin-right: 0;}
.about_M .PhotoList_i1 li a{height: 15vw;}
.about_M .PhotoList_i1 li span{font-size: 16px;color: #4b4b4b;margin-top: 0;}

.equipment .PhotoList_i1 li,.equipment .PhotoList_i1 li:nth-child(4n){width: 30.5%;margin-right: 4.25%;margin-bottom: 2.6vw;}
.equipment .PhotoList_i1 li:nth-child(3n){margin-right: 0;}
.equipment .PhotoList_i1 li{box-shadow: 0 1px 15px 0px rgba(0,0,0,0.10);transition:.3s all ease-out;-ms-transition:.3s all ease-out;-webkit-transition:.3s all ease-out;}
.equipment .PhotoList_i1 a img{width: 100%;min-height: 100%;max-height: unset;max-width: 100%;}
.equipment .PhotoList_i1 li span{padding: 1vw 5% 1.3vw 5%;margin-top: 0;transition:.3s all ease-out;-ms-transition:.3s all ease-out;-webkit-transition:.3s all ease-out;}
.case_ys .PhotoList_i1{margin-top: 50px;}
.casebak{background-color: #e42e3b;color: #fff;border-radius: 10px; width: 10em;margin: 2vw auto 0 auto;text-align: center;padding: 0.3vw 0;font-size: 20px;display: block;}
@media screen and (min-width: 1024px){
    .equipment .PhotoList_i1 li:hover{box-shadow: none;}
    .equipment .PhotoList_i1 li:hover span{background: #f8ce48;color: #550b00;}
    .PhotoList_i1 li:hover a{border-color: #e42e3b;}
    .PhotoList_i1 li:hover img{transform:translate(-50%,-50%) scale(1.08,1.08) ;-ms-transform:translate(-50%,-50%) scale(1.08,1.08) ;-webkit-transform:translate(-50%,-50%) scale(1.08,1.08) ;}
    .product_exhibition .PhotoList_i1 li a:hover:after{opacity: 1;transform: scale(1,1);-ms-transform: scale(1,1);-webkit-transform: scale(1,1);}
}
@media screen and (max-width: 1440px){
    .PhotoList_i1 li span{font-size: 16px;}
    .PhotoList_i1 li a{height: 17vw;}
}
@media screen and (max-width: 1024px){
    .PhotoList_i1 li,.PhotoList_i1 li:nth-child(4n){width: 31.8%;margin-right: 2.3%;margin-bottom: 3vw;}
    .PhotoList_i1 li:nth-child(3n){margin-right: 0;}
    .PhotoList_i1 li a{height: 24.5vw;}
    .prodcut_case .PhotoList_i1 li a{height: 20.5vw;}
    .about_M .PhotoList_i1 li a{height: 22vw;}

    .prodcut_case #load_more_button{display: none;}
    .equipment .PhotoList_i1 li a{height: 18vw;}
    .product_exhibition .PhotoList_i1 li a{height: 35vw;}
    .product_exhibition .PhotoList_i1 li, .product_exhibition li:nth-child(4n){margin-bottom: 3vw;}

    .case_ys .PhotoList_i1 li, .case_ys .PhotoList_i1 li:nth-child(6n),.case_ys .PhotoList_i1 li:nth-child(4n), .case_ys .PhotoList_i1 li:nth-child(3n){width: 23%;margin-right: 2%;}
    .case_ys .PhotoList_i1 li:nth-child(4n){margin-right: 0;}
    .case_ys .PhotoList_i1 li a{height: 8vw;}
}
@media screen and (max-width: 640px){
    .PhotoList_i1 li,.PhotoList_i1 li:nth-child(4n),.PhotoList_i1 li:nth-child(3n){width: 48.5% !important;margin-right: 3% !important;margin-bottom: 3.5vw;}
    .PhotoList_i1 li:nth-child(2n){margin-right: 0 !important;}
    .teacher-box .PhotoList_i1 li:nth-child(2n){margin-right: 3% !important;}
    .PhotoList_i1 li a{height: 45.5vw;}
    .PhotoList_i1 li span{font-size: 3.8vw !important;margin-top: 5px;}

    .prodcut_case .PhotoList_i1 li a{height: 36.5vw;}
    .about_M .PhotoList_i1 li a{height: 35vw;}
    .equipment .PhotoList_i1 li a{height: 29vw;}
    
    .case_ys .PhotoList_i1{margin-top: 6vw;}
    .case_ys .PhotoList_i1 li{width: 31.3% !important;margin-right: 3.05% !important;}
    .case_ys .PhotoList_i1 li:nth-child(3n){margin-right: 0 !important;}
    .case_ys .PhotoList_i1 li a{height: 13vw;}

    .teacher-box .PhotoList_i1 li a{height: 26vw;}

    .product_exhibition .PhotoList_i1 li, .product_exhibition li:nth-child(4n){margin-bottom: 3vw;width: 100% !important;float: none;margin-right: 0 !important;}
    .product_exhibition .PhotoList_i1 li a{height: 61vw;}
}