.about4{width:1090px;margin:40px auto 0 auto;}
.about4_ch{font-size:18px;color:#d80017;margin-bottom:30px;}
.about4_main{position:relative;padding-left:20px;overflow:hidden;	z-index: 1;}
.line{width:1px;height:100%;background-color:#999;position:absolute;left:26px;z-index:-1;}
.about4_main ul li{padding-left:25px;font-size:14px;color:#333333;line-height:30px;margin-bottom:30px;background:url(../image/about4_icon.png) left center no-repeat;}
.about4_main ul li:last-child{margin-bottom:0px;}
@media (max-width: 768px){
.about4 { width: auto; margin: 0;}
.about4_main{padding-right:4%;}

}