h3,h4{margin:0}.house-container{width:1230px;padding:0 15px;margin:0 auto}.protection-one{padding-top:35px;width:100%}.house-line{width:60px;height:4px;background:#000;display:block;margin:0 auto}.one-des{color:#000;text-align:center;margin-top:25px}.one-des p{line-height:30px;font-size:16px}.protection-two{background:#fff;padding:115px 0 140px}.protection-two-tit h3{margin:0;color:#000;font-size:30px;text-align:center;font-weight:bold}.protection-two-tit p{text-align:center;font-size:14px;margin:10px auto;position:relative;width:15%}.protection-two-tit p::after,.protection-two-tit p::before{width:80%;height:1px;background:#000;position:absolute;bottom:10px;left:-80%;content:"";display:block}.protection-two-tit p::after{left:100%}.hbzt-des{text-align:center;font-size:18px;padding:0 20%;line-height:30px}.zjtx{width:100%;margin-top:35px}.zjtx li:nth-child(1),.zjtx li:nth-child(5){margin-left:0}.zjtx li{float:left;width:21%;margin-left:5%}.zjtx li img{display:block;height:329px;width:100%}.zjtx li span{display:block;max-width:329px;line-height:30px;text-align:center;font-size:14px;margin-bottom:20px}.protection-three{padding-bottom:95px}.bztx{width:100%;margin-top:75px}.bztx li:nth-child(1),.bztx li:nth-child(4),.bztx li:nth-child(7){margin-left:0}.bztx li{float:left;width:32%;margin-left:1.5%;margin-bottom:1.5%}.bztx li img{width:100%;height:367px}.protection-banner{width:100%}.protection-banner img{width:100%}.protection-four{padding:55px 0 0;background:#fcfcfc}.bdtx{width:100%}.bdtx li:nth-child(2n+1){margin-left:0}.bdtx li{float:left;width:49.5%;margin-left:1%;background:#cfe4e8;margin-bottom:1%}.bd-img{float:left;width:269px}.bd-info{float:left;text-align:left;width:290px;padding-top:80px}.bd-info h3{font-size:24px;color:#000;font-weight:bold}.bd-info span{display:block;text-transform:uppercase;font-size:12px;color:#666;margin:15px 0 30px}