.banner{
    width: 100%;
    height: 420px;
    background: url(../images/about_banner.jpg) no-repeat center;
    margin-top: 100px;
}
.content{
    width: 100%;
    height: auto;
    overflow: hidden;
    background: #ffffff;
    background: url(../images/about_content.png) no-repeat center bottom;
    padding-bottom: 80px;
    box-sizing: border-box;
}
.content .top{
    width: 100%;
    height: 70px;
    overflow: hidden;
    border-bottom: 1px solid #eeeeee;
    box-sizing: border-box;
}
.top .top-li{
    width: 180px;
    height: 70px;
    float: left;
    font-size: 24px;
    color: #333333;
    text-align: center;
    line-height: 70px;
}
.top-li a{
    color: #333333;
}
.top-li.active{
    background: #b47437;
}
.top-li.active a{
    color: #ffffff;
    /*font-weight: bold;*/
}
.content .con-box{
    width: 100%;
    height: auto;
    overflow: hidden;
    margin-top: 40px;
}
.con-box .con-item{
    width: 100%;
    height: auto;
    overflow: hidden;
    display: flex;
    justify-content: space-between;
}
.con-item:last-child{
    margin-top: 80px;
}
.con-item .con-le{
    width: 590px;
    height: 559px;
    overflow: hidden;
}
.con-item .con-ri{
    width: 580px;
    height: 559px;
    overflow: hidden;
}
.con-item:last-child .con-le{
    width: 590px;
    height: 505px;
}
.con-item:last-child .con-ri{
    width: 580px;
    height: 505px;
}
.con-item .con-head{
    width: 100%;
    height: 80px;
    border-left: 5px solid #b47437;
    box-sizing: border-box;
    padding-left: 10px;
    /*margin-top: 40px;*/
}

.con-head .con-name{
    width: 100%;
    height: auto;
    overflow: hidden;
    font-size: 36px;
    color: #b47437;
    line-height: 46px;
    font-weight: bold;
}
.con-head .con-span{
    width: 100%;
    height: auto;
    overflow: hidden;
    font-size: 24px;
    color: #999999;
    line-height: 34px;
    font-weight: bold;
}
.con-item .con-text{
    width: 100%;
    height: auto;
    overflow: hidden;
    font-size: 16px;
    color: #666666;
    line-height: 37px;
    text-indent: 2em;
}
.con-item:last-child .con-text{
    margin-top: 10px;
}