.sitemap_wrap{
    background-repeat: no-repeat;
    background-position: center bottom;
    background-image: url(../images/about_bg.jpg);
    padding-bottom: 80px;
    min-height: 651px;
    box-sizing: border-box;
}
.sitemap-box{
    margin-top: 50px;
}
.sitemap-list{
    font-size:0;
}
.sitemap-list>li{
    display: inline-block;;
    vertical-align: top;
    width: 18.4%;
    box-sizing: border-box;
}
.sitemap-list>li+li{
    margin-left: 2%;    
}
.sitemap-list>li:nth-child(5n+1){
    margin-left: 0;
}
.sitemap-list>li>a{
    display: block;
    font-size:20px;
    font-weight: 700;
    color:#000;
}
.sitemap-list>li>.depth{
    margin-top: 20px;
    padding-top: 20px;
    border-top: 2px solid #aaa;
}
.sitemap-list>li>.depth li+li{
    margin-top: 20px;
}
.sitemap-list>li>.depth li a{
    display: block;
    color:#555;
    font-size:16px;
}

@media (max-width:1024px){
    .sitemap-list{
        /* margin-bottom: -60px; */
    }
    .sitemap-list>li{
        width: 32%;
        margin-bottom: 60px;
    }
    .sitemap-list>li+li{
        margin-left: 2%;    
    }
    .sitemap-list>li:nth-child(5n+1){
        margin-left: 2%;
    }
    .sitemap-list>li:nth-child(3n+1){
        margin-left: 0%;
    }
}

@media (max-width:768px){
    .sitemap_wrap{
        padding-bottom: 20px;
        background-size: 70%;
    }
    .sitemap-list>li{
        width: 49%;
    }
    .sitemap-list>li+li{
        margin-left: 2%;    
    }
    .sitemap-list>li:nth-child(3n+1){
        margin-left: 2%;
    }
    .sitemap-list>li:nth-child(2n+1){
        margin-left: 0%;
    }

    .sitemap-list>li>a{
        font-size:17px;
    }
    .sitemap-list>li>.depth{
        margin-top: 15px;
        padding-top: 25px;
    }
    .sitemap-list>li>.depth li a{
        font-size:14px;
        line-height: 14px;
    }
}

@media (max-width:500px){
    .sitemap-list>li{
        width: 100%;
        display: block;
        margin-bottom: 50px;
    }
    .sitemap-list>li+li{
        margin-left: 0% !important;    
    }
}