.contrainer{background:#fff}
.banner{width: 100%;margin: 0px auto;overflow: hidden;background: url(../img/product/app/banner.png) top center no-repeat;}
.wst-content{width:100%}
.wst-box{width:1200px;margin:70px auto 0 auto;overflow:hidden}
.wst-box .first .left{height:860px;background:url(../img/product/app/img_1.png) center 0 no-repeat;position:relative}
.wst-box .first .title{text-align:center;font-size:24px;color:#333;line-height:80px}
.wst-box .first .p{text-align:center;font-size:16px;color:#666;line-height:60px}
.wst-box .second .left{height:520px;background:url(../img/product/app/img_2.png) left center no-repeat;position:relative}
.wst-box .second .title{text-align:center;font-size:24px;color:#333;line-height:80px}
.wst-box .second .p{text-align:center;font-size:16px;color:#666;line-height:60px}
.wst-box .third .left{height:540px;background:url(../img/product/app/img_3.png) left center no-repeat;position:relative}
.wst-box .third .title{text-align:center;font-size:24px;color:#333;line-height:80px}
.wst-box .third .p{text-align:center;font-size:16px;color:#666;line-height:60px}
.wst-box .fourth .left{margin:50px auto 0}
.wst-box .fourth .ad{background-image:url(../img/product/app/ad.png);background-repeat:no-repeat}
.wst-box .fourth .des_top{width:1200px;height:50px;background-position:0 0}
.wst-box .fourth .des_bottom{margin-top:30px}
.wst-box .fourth .des_bottom{width:1200px;height:516px;background-position:0 -76px}
.wst-box .fourth .title{text-align:center;font-size:24px;color:#333;line-height:80px}
.wst-box .fourth .p{text-align:center;font-size:16px;color:#666;line-height:60px}
#solution .content{width:100%;height:445px}
#solution .des-item{position:relative;width:285px;height:445px;margin-left:10px;background:url(../img/product/app/img_3.png) no-repeat 100% 100%}
#solution .one{background-position:0 0}
#solution .two{background-position:-305px 0}
#solution .three{background-position:-610px 0}
#solution .four{background-position:-915px 0}
#solution .des-item-inside{position:absolute;top:0;left:0;width:100%;height:445px;background-color:rgba(8,142,252,0);transition:all .3s}
#solution .des-item-inside:hover{background-color:rgba(8,142,252,.7)}
#solution .des-item i{display:block;margin:130px auto 0 auto;width:109px;height:98px}
#solution .one i{background:url(../img/product/app/icon_1.png) no-repeat 100% 100%}
#solution .two i{background:url(../img/product/app/icon_2.png) no-repeat 100% 100%}
#solution .three i{background:url(../img/product/app/icon_3.png) no-repeat 100% 100%}
#solution .four i{background:url(../img/product/app/icon_4.png) no-repeat 100% 100%}
#solution .des-item a,#solution .des-item h3,#solution .des-item p{color:#fff}
#solution .des-item h3{margin:38px 0 18px;font-size:18px}
#solution .des-item p{font-size:16px}
#solution .des-item a{position:absolute;top:74%;left:32%;padding:10px 18px;font-size:18px;border:1px solid #fff}