.banner{height:400px;border-top:solid 1px #fff;background: url("../images/company-history.png") no-repeat center / cover;position:relative;
    -ms-filter: "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='../images/company-history.png', sizingMethod='crop')";}
.wrap .inner{width:1045px;margin: 30px auto;background: #fff;}
.wrap .inner .content{margin:0 77px;line-height: 30px;font-size: 16px;padding-bottom: 30px;}
.wrap .inner .content .con-top{height: 252px;}
.wrap .inner .content .con-top p{padding-top:52px; }
.wrap .inner .content .con-middle li{background: url("../images/his-circle_03.png") no-repeat left center ;margin-bottom:20px;}
.wrap .inner .content .con-middle li p{margin-left: 40px;}

.wrap .inner .content .con-middle .ln{display: flex}
.wrap .inner .content .con-middle .ln .dot{width: 20px;margin-right: 20px}

.wrap .inner .content {position:relative;}
.wrap .inner .content:before{content:"";position:absolute;left:-77px;top:0;
    height:100%;width: 5px;background: #f72f2f;}