.left{float:left}.right{float:right}.fnone{float:none}.middle{float:left}.tleft{text-align:left}.tright{text-align:right}.tcenter{text-align:center}.dis{display:block}.undis{display:none}.sanjiao{border-width:20px;border-color:transparent transparent #ccc transparent;border-style:dashed dashed solid dashed;width:0;height:0;overflow:hidden}.introBox{color:#252424}.introBox img{max-width:100%}.introBox .imgBox{width:80%;max-width:723px;margin:20px auto;background-color:#fff}.introBox h3{max-width:1100px;width:92%;margin:20px auto;-webkit-box-sizing:border-box;box-sizing:border-box;font-size:30px}.introBox h3 span{display:inline-block;text-align:center;width:59.73%}.introBox h3 em{color:#da3638}.introBox .mainBox{background-color:rgba(235,231,228,.5);margin-bottom:60px}.introBox .mainBox article{max-width:1100px;width:92%;margin:20px auto}.introBox .mainBox article:after{content:" ";clear:both;display:table}.introBox .mainBox .lBox{width:59.73%;float:left;font-size:16px;line-height:3;padding:2.4em 0;text-align:justify}.introBox .mainBox .rBox{width:31.36%;float:right;margin:-30px 0}.introBox .mainBox .rBox a{display:inline-block}.introBox .scrollImgs{width:96%;max-width:1200px;margin:20px auto 60px;position:relative;z-index:0}.introBox .scrollImgs .btn_next,.introBox .scrollImgs .btn_prev{display:block;width:30px;height:120px;text-align:center;line-height:120px;background-color:rgba(255,0,0,.5);position:absolute;z-index:5;top:31px}.introBox .scrollImgs .btn_prev{left:0}.introBox .scrollImgs .btn_next{right:0}.introBox .scrollImgs .bd{width:auto;margin:0 30px;overflow:hidden}.introBox .scrollImgs .imgsBox{overflow:hidden;margin:0 -10px!important}.introBox .scrollImgs .imgsBox li{width:270px;height:180px;margin:0 10px}.introBox .scrollImgs .imgsBox li img{vertical-align:top;width:270px;height:180px}@media (max-width:1000px){.introBox{background-color:#fff;padding:1px 0}.introBox h3{padding-right:0;font-size:24px;text-align:center}.introBox h3 span{width:auto}.introBox .mainBox{background-color:initial}.introBox .mainBox .lBox,.introBox .mainBox .rBox{float:none;width:auto}.introBox .mainBox .lBox{line-height:2;padding:1.4em 0}.introBox .mainBox .rBox{display:none}}@media (max-width:640px){.introBox .mainBox .lBox{font-size:14px}.introBox .scrollImgs .bd{width:270px;margin:0 auto}}