.case-list{margin-top:30PX;width:100%}.case-list .case-item{margin-top:25px;width:32%;margin-right:2%;height:auto;box-shadow:0 0 6px 0 #deeeff;border-radius:30px;background:#fff;float:left}.case-list .case-item:nth-child(3n){margin-right:0}.case-list .case-item .case-item-top{position:relative;height:auto;max-height:340px;min-height:290px;border-radius:30px 30px 0 0;overflow:hidden}.case-list .case-item .case-item-top>.app_icon{position:absolute;left:30px;top:80%;width:35px;height:35px;border-radius:100px;z-index:99}.case-list .case-item .case-item-top>.app-banner{position:absolute;left:0;bottom:0;right:0;top:0;width:100%;height:auto;z-index:0;border-radius:30px 30px 0 0;transition:all .2s linear}.case-list .case-item .case-item-top>.app-banner:hover{transform:scale(1.1)}.case-list .case-item .case-item-bottom{width:100%;height:120px;padding:18px 15px 20px 15px;box-sizing:border-box;border-radius:0 0 30px 30px}.case-list .case-item .case-item-bottom .app-name{font-size:20px;font-weight:700;color:#000}.case-list .case-item .case-item-bottom .date{font-size:15px;color:#999}.case-list .case-item .case-item-bottom .app-desc{margin-top:10px}.case-list .case-item .case-item-bottom .app-desc div{line-height:20px;font-size:14px;color:#676767;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}body{background-color:#fff}.class-nav{padding-top:40px;width:100%;height:auto}.class-nav .topPoint{width:100%;height:70px;display:flex;justify-content:space-between;align-items:center}.class-nav .topPoint>.leftTitle{font-size:20px;color:#333}.class-nav .topPoint>.leftTitle>span{font-size:20px;color:#0069ff;font-weight:700;margin-right:10px}.class-nav .topPoint>ul.rightCate{display:flex;justify-content:flex-end;align-items:center}.class-nav .topPoint>ul.rightCate>li{font-size:14px;color:#333;margin-left:25px}.class-nav .topPoint>ul.rightCate>li.active{color:#0069ff}.pc .topic .container{width:74%;min-width:1200px;margin:0 auto}.pc .topic .topic-title{text-align:center;font-size:30px;font-weight:700;color:#000}.pc .topic .topic-desc{margin-top:20px;text-align:center;font-size:20px;color:#000}.pc .case{background-color:#fff;padding-bottom:45px}