.customer_used_info{padding:0px 10px 20px 10px;width:100%;border-bottom:1px solid #b3b3b3}.filed_box{margin:0 auto 20px auto}.filed_tittle{line-height:2em;font-size:16px;color:#5f6871}.filed_content{font-size:20px;color:#243237}.return_back{padding:40px 10px 20px 10px;width:100%}@media(max-width:980px){.customer_used_info>div:nth-child(1),.customer_used_info>div:nth-child(2){width:50%;float:left}.customer_used_info>div:nth-child(3){width:100%}.customer_used_info{margin:0px auto}.return_back{display:none;margin:0 auto}}