.header_bot{background:url(../img/marketing_bg.png);background-size:100% 100%;background-repeat:no-repeat}main .main_tit{width:544px}.main_dl{width:955px;padding-top:44px;height:412px;margin:0 auto}.main_dl dl,.main_dl>img{float:left;margin-left:41px}.main_dl dl:first-child{margin-left:0}.main_dl>img{width:56px;height:22px;position:relative;bottom:-81px}.main_dl dt img{width:179px;height:179px}.main_dl dl{width:226px}.main_dl dl dt img{display:block;margin:0 auto}.main_dl dd>p:first-child{font-size:24px;font-weight:500;color:#19191a;text-align:center;margin-top:30px}.main_dl dd>p:nth-child(2){font-size:16px;font-weight:300;color:#333;line-height:28px;margin-top:15px}.main_row_box{width:625px;height:354px;margin:0 auto;position:relative;margin-bottom:96px}.main_row_box>img{position:absolute;left:0;top:73px;width:204px;height:211px}.main_row_box>div{position:absolute;top:0;right:0;width:458px;height:354px}.main_row_box>div ul{width:462px;height:71px;padding:9px 23px;border-radius:10px;cursor:pointer}.main_row_box>div ul li{padding-top:5px}.main_row_box>div ul li:first-child{padding-top:0}.main_row_box>div ul:hover{background:#f8f8f8}.main_row_box ul li:first-child{font-size:22px;font-weight:500;color:#333}.main_row_box ul li:nth-child(2){font-size:16px;font-weight:400;color:#666}.main_row_box ul:nth-child(2),.main_row_box ul:nth-child(4){position:relative;right:-49px}.main_row_box ul:nth-child(3){position:relative;right:-98px}.last_p{font-size:20px;font-weight:400;color:#135fdb;text-align:center;margin-top:30px;padding-bottom:50px}