body{
    background: url(../img/page_bg2.png) no-repeat;
    background-size: 100% auto;
    overflow: auto;
}
.page-footer{
    margin-top: 0;
}
.main-wrap{
    padding: 15px 30px 30px 30px;
    min-height: 433px;
}
.article-list-main .web-nav{
    border-bottom: solid 1px #EBEBEB;
    padding-bottom: 10px;
    font-size: 14px;
    height: 40px;
    line-height: 40px;
}
.article-list-main .list-wrap .article-nav{
    width: 19%;
    padding: 0 20px;
    box-sizing: border-box;
}
.article-list-main .list-wrap .article-nav li{
    position: relative;
    padding-left: 10px;
}
.article-list-main .list-wrap .article-nav li.cur:before{
    position: absolute;
    content:'';
    width: 0;
    height: 0;
    border-top: solid 4px transparent;
    border-right: solid 4px transparent;
    border-bottom: solid 4px transparent;
    border-left: solid 4px #333;
    left: 0;
    top: 30%;
}
.article-list-main .list-wrap .article-nav li.cur a{
    font-weight: bold;
}
.article-list-main .list-wrap .article-nav li a{
    display: block;
    margin: 20px 0 0;
    font-size: 16px;
}
.article-list-main .web-nav a:last-child:hover{
    color: #666;
    cursor:default;
}
.article-list-main .list-wrap .article-main{
    width: 80%;
    padding: 0 70px;
    box-sizing: border-box;
    border-left: solid 1px #EBEBEB;
}
.article-list-main .list-wrap .article-main .class-title{
    font-size: 22px;
    padding: 30px 0;
    font-weight: bold;
    color: #333;
    border-bottom: solid 1px #EBEBEB;
}
.article-list-main .list-wrap .article-main .article-list li{
    padding: 20px 0;
    border-bottom: solid 1px #EBEBEB;
    overflow: hidden;
}
.article-list-main .list-wrap .article-main .article-list li a{
    display: block;
    width: 80%;
}