header{
    background-color: #ffaa1c;
}
.about_main{
    margin-top: 80px;
    background-color: #f9f9f9;
    padding-top: 40px;
    padding-bottom: 40px;
    
}
.about_left{
    width: 240px;
    background-color: #fff;
    /* padding: 5px 0; */
    float: left;
    border-radius: 5px 5px 5px 5px;
}
.about_left>ul>li{
    width: 100%;
    height: 52px;
   
    padding: 10px 0;
   
   
   
   
}
.about_left>ul>li>.about_zhu{
    border-left: 3px solid #4454ff;
}
.about_left>ul>li>a{
    padding-left: 26px;
    color: #333333;
    display: block;
    width: 100%;
    height: 32px;
    line-height: 32px;
   
}
.about_left>ul>.about_bg{
    background-color: #4454ff;
    
}
.about_left>ul>.about_bg>a{
    color: #fff;
}

.about_right{
    width: 940px;
    background-color: #fff;
    float: right;
    border-radius: 5px 5px 5px 5px;
}
.ab_title{
    width: 100%;
    height: 76px;
    line-height: 76px;
    color: #333333;
    padding-left: 30px;
    font-size: 16px;
    border-bottom: 1px solid rgba(223, 223, 223, 1);
}
.ab_content{
    padding: 30px;
}
.cont_top{
    border-bottom: 1px dashed rgba(223, 223, 223, 1);
    padding-bottom: 10px;
}
.cont_top>img{
    width: 880px;
    height: 275px;
    margin-bottom: 30px;
}
.cont_top>p{
    text-align: center;
    font-size: 15px;
    color: #444444;
    margin-bottom: 10px;
}

#container{
    width: 100%;
    height: 500px;
    margin: 0 auto;
}

.middle_lis{
    margin-bottom: 20px;
    padding: 20px 0;
}
.middle_lis>li{
    float: left;
    width: 440px !important;
   padding: 20px;
    margin: 15px 0;

    
    
}
.middle_lis>.kuang{
    background-color: rgba(255, 255, 255, 1);
	box-shadow: 0px 2px 4px 0px 
		rgba(237, 95, 83, 0.2), 
		0px -1px 2px 0px 
		rgba(237, 95, 83, 0.2);
}
.middle_lis>li:nth-of-type(2n-1){
    
   /*  margin-right: 152px; */
}
.middle_lis>li>div{
    height: 18px;
    line-height: 18px;
    border-left:3px solid rgba(237, 95, 83, 1);
    padding-left:10px;
    margin-bottom: 10px;
    color: #444444;
    font-size: 15px;
}
.middle_lis>li>p{
    padding-left: 13px;
    
    line-height: 25px;
    color: #666666;
}