.yxx_intro{width:1200px;margin:0 auto;padding-top:50px}.yxx_intro_ul{width:100%}.yxx_intro_ul img{width:100%}.yxx_adv{width:100%;height:463px;padding-top:45px;background:#f5f5f5}.yxx_adv_main{width:1200px;margin:0 auto}.yxx_common_title{text-align:center}.yxx_common_title1{font-size:24px;line-height:32px;color:#333}.yxx_common_title2{margin-top:25px;font-size:16px;line-height:30px;color:#555}.adv_list{float:left;margin-top:45px}.adv_list_li{float:left;padding:0 80px;width:400px;text-align:center}.advlist_txt1{margin-top:23px;font-size:16px;line-height:32px;color:#333}.advlist_txt2{margin-top:16px;max-height:60px;line-height:30px;color:#777;display:-webkit-box!important;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:2}.adv_mid{width:100%;height:260px;background:url(../images/yxx_midbj.jpg) center top no-repeat}.adv_mid_main{width:1200px;margin:0 auto;text-align:center;color:#fff}.adv_mid_title{margin-top:80px;height:53px;line-height:32px;font-size:30px;font-weight:bold;background:url(../images/yxx_mid_txtbj.png) center bottom no-repeat}.adv_mid_txt{margin-top:20px;font-size:18px;line-height:30px}.pp-adv{background:url(../images/ppx_midbj.jpg) center top no-repeat}.mh-adv{background:url(../images/mhx_midbj.jpg) center top no-repeat}.yd-adv{background:url(../images/ydd_midbj.jpg) center top no-repeat}.yb-adv{background:url(../images/yddyb_midbj.jpg) center top no-repeat}.wwz-adv{}