.tit02{text-align:center;margin-bottom:35px}.txtReason{font-size:20px;text-align:center;color:#333;margin-bottom:136px}.itemBlock li{margin-bottom:80px}.itemBlock li:after{content:"";display:block;clear:both}.imgContent{float:left;width:490px}.txtContent{float:left;width:460px;font-size:14px;line-height:1.8}.tit_item{background-color:#ff9e13;color:#fff;font-size:28px;padding:10px 10px 10px 25px;margin-bottom:30px;line-height:1.4}.itemBlock li:nth-child(2n) .tit_item{background-color:#4655a7}.itemBlock li:nth-child(3n) .tit_item{background-color:#ea4e60}@media screen and (max-width:768px){.itemBlock li{margin-bottom:50px}.txtReason{margin-bottom:60px}.txtContent,.imgContent{float:none!important;width:100%}.imgContent{text-align:center}}