.product-introduce{background-image:url(../img/newProduct/mobileoffice/bg-banner.png)}.pic-banner{background-image:url(../img/newProduct/mobileoffice/pic-banner.png)}.banner1{background-image:url(../img/newProduct/mobileoffice/banner.png)}.icon-1{background-image:url(../img/newProduct/mobileoffice/icon-1.png)}.icon-2{background-image:url(../img/newProduct/mobileoffice/icon-2.png)}.icon-2-1{background-image:url(../img/newProduct/mobileoffice/icon-2-1.png)}.icon-2-2{background-image:url(../img/newProduct/mobileoffice/icon-2-2.png)}.icon-3{background-image:url(../img/newProduct/mobileoffice/icon-3.png)}.icon-4{background-image:url(../img/newProduct/mobileoffice/icon-4.png)}.carousel-banner1{background-image:url(../img/newProduct/mobileoffice/carousel-banner1.png)}.carousel-banner2{background-image:url(../img/newProduct/mobileoffice/carousel-banner4.png)}.carousel-banner3{background-image:url(../img/newProduct/mobileoffice/carousel-banner2.png)}.carousel-banner4{background-image:url(../img/newProduct/mobileoffice/carousel-banner3.png)}.case-banner1{background-image:url(../img/newProduct/mobileoffice/case-banner1.png)}.product-advantage .con ul li{height:420px}.case-txt .title{padding-top:50px}