.case{padding-top:86px;padding-bottom:90px}.case ul{width:100%;margin-top:35px;overflow:hidden}.case ul li{float:left;margin-right:9px;margin-bottom:9px;position:relative;z-index:1}.case ul li.last{margin-right:0}.case ul .img{display:block;width:394px;height:258px}.case ul .img span{display:inline-block;width:100%;height:100%;background-size:100%;background-repeat:no-repeat;background-position:center}.case ul h5{position:absolute;bottom:16px;left:22px;color:#fff;font-size:17px}.case .count_2 li{margin-right:13px}.case .count_2 li .img{width:593px;height:387px}@media only screen and (min-width:960px) and (max-width:1366px){.case ul .img{width:320px;height:210px}.case ul h5{font-size:18px;font-weight:700}.case .count_2 li{margin-right:10px}.case .count_2 li .img{width:485px;height:318px}}

.scenario{padding-top:80px;padding-bottom:102px}.scenario ul{width:100%;margin-top:35px;overflow:hidden}.scenario ul li{float:left;width:380px;margin-right:30px;text-align:center}.scenario ul li.last{margin-right:0}.scenario ul .img{width:190px;height:190px;margin:0 auto;line-height:190px;border-radius:50%;border:1px solid #cdcdcd;text-align:center;overflow:hidden}.scenario ul .img span{display:inline-block;width:128px;height:128px;margin-top:31px;background-repeat:no-repeat}.scenario ul h5{margin-top:30px;color:#545555;font-size:17px;font-weight:700}.scenario ul p{margin-top:4px;padding:0 30px;color:#9b9b9b;font-size:17px;font-weight:400}.scenario .count_4 li{width:285px;margin-right:20px}@media only screen and (min-width:960px) and (max-width:1366px){.scenario ul li{width:320px;margin-right:10px}.scenario .count_4 li{width:236px;margin-right:12px}}

.solution{width:100%;padding-top:90px;padding-bottom:96px;background-color:#f1f1f1}.solution .img{width:1200px;margin:0 auto;margin-top:46px}.solution .img span{display:inline-block;width:100%;background-size:100%;background-repeat:no-repeat}@media only screen and (min-width:960px) and (max-width:1366px){.solution .img{width:980px}}