.w-1345{
    width: 1345px;
    height: 100%;
    /*overflow: hidden;*/
    margin: 0 auto;
}
.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;

    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;*/
}

.course{
    width: 100%;
    height: auto;
    overflow: hidden;
}
.con-head{
    width: 100%;
    height: 80px;
    border-left: 5px solid #b47437;
    box-sizing: border-box;
    padding-left: 10px;
    margin-top: 15px;
}

.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;
}
.course .cou-text{
    width: 100%;
    height: auto;
    overflow: hidden;
    font-size: 16px;
    color: #666666;
    line-height: 38px;
    text-indent: 2em;
    margin-top: 30px;
    margin-bottom: 26px;
}
.course .cou-img{
    width: 100%;
    height: 300px;
}
.course .cou-box{
    width: 100%;
    height: auto;
    overflow: hidden;
    margin-top: 36px;
}
.cou-box .cou-li{
    width: 100%;
    height: 365px;
    display: flex;
    justify-content: space-between;
}
.cou-li:last-child{
    /*margin-top: 53px;*/
}
.cou-li .cou-le{
    width: 590px;
    height: 330px;
}
.cou-li .cou-ri{
    width: 580px;
    height: 330px;
    padding-left: 28px;
    /*padding-top: 35px;*/
    box-sizing: border-box;
    font-size: 16px;
    color: #333333;
    line-height: 30px;
}
.cou-li:last-child .cou-ri{
    padding-left: 0;
    padding-right: 28px;
}

.surroundings{
    width: 100%;
    height: 840px;
    overflow: hidden;
    background: url(../images/about_content.png) no-repeat bottom;
}
.surroundings .sur-on{
    width: 100%;
    height: auto;
    overflow: hidden;
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
}
.sur-on .sur-img{
    width: 290px;
    height: 200px;
}
.surroundings .sur-box{
    width: 100%;
    height: auto;
    overflow: hidden;
    margin-top: 20px;
    display: flex;
    justify-content: space-between;
}
.sur-box .sur-le{
    width: 830px;
    height: auto;
    overflow: hidden;
}
.sur-le .sur-top{
    width: 100%;
    height: 295px;
}
.sur-le .sur-ul{
    width: 100%;
    height: 180px;
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
}
.sur-ul .sur-li{
    width: 270px;
    height: 180px;
}
.sur-box .sur-ri{
    width: 360px;
    height: 485px;
}

.culture{
    width: 100%;
    height: auto;
    overflow: hidden;
    margin-bottom: 40px;
}
.culture .cul-box{
    width: 100%;
    height: auto;
    overflow: hidden;
    display: flex;
    margin-top: 30px;
}
.cul-box .cul-li{
    width: 440px;
    height: 600px;
    position: relative;
	background:#f9f9f9;
}
.cul-li .cul-img{
	width: 400px;
	height: 300px;
}
.cul-li .cul-on{
    width: 440px;
    height: 300px;
    position: absolute;
    bottom: 0;
    left: 0;
    overflow: hidden;
    padding-left: 47px;
    box-sizing: border-box;
}
.cul-li:nth-of-type(2) .cul-on{
    top: 0;
    left: 0;
}
.cul-li:nth-of-type(2) .cul-img{
    margin-top: 300px
}
.cul-on .cul-name{
    width: 100%;
    height: auto;
    overflow: hidden;
    font-size: 26px;
    font-weight: bold;
    color: #333333;
    line-height: 36px;
    margin-top: 90px;
}
.cul-on .cul-span{
    width: 100%;
    height: auto;
    overflow: hidden;
    font-size: 14px;
    color: #959595;
    line-height: 24px;
    margin-top: 4px;
}
.cul-on .cul-text{
    width: 100%;
    height: auto;
    overflow: hidden;
    font-size: 20px;
    color: #333333;
    line-height: 30px;
    margin-top: 15px;
}