.banner{width: 100%;height:659px;background: url(../img/aboutus/banner.jpg) no-repeat center;background-size: 1920px 659px;}.contentBg{width: 100%;height: 1240px;background: url(../img/bg1.png) repeat-y center;background-size: 1920px 1207px;}.contentBox{width: 1200px;margin: 0 auto;padding-bottom: 182px;}.culLoop{line-height: 89px;width: 100%;color: #310101;height: auto;font-size: 16px;}.contTitle{width: 100%;text-align: center;line-height: 103px;font-size:44px;color: #310101;font-style: italic;}.contentpic{width: 1200px;margin: 0 auto;}.culLeft{float: left;width:389px;}.culRight{width: 782px;float: right;}.culR_bottom{margin-top: 31px;}.culR_bottomL{float: left;width: 380px;}.culR_bottomr{float: right;}