section{
    padding: 60px 0 120px;
}
h3{
    color: #444444;
}
.credit_p1{
    color:#999999;
}
.credit_p2{
    margin-top:57px;
}
.credit_p2>img{
    vertical-align: middle;
}
.credit_p2>span{
    vertical-align: middle;
}
.credit_p3{
    color: #666;
    font-size: 14px;
}
.bnt1{
    background:#f5f5f5;
    border: none;
    color:#ccc;
    padding: 7px 26px;
    outline: none;
    cursor: pointer;
}
.bnt2{
    background:#f5f5f5;
    border: none;
    color:#ccc;
    padding: 7px 26px;
    outline: none;
    cursor: pointer;
}
a.active{
    background:#ff7a21;
    color: #fff;
}
a:hover{
    color: #ccc;
}
a.active:hover{
    color: #fff;
}
.case img{
    width: 100%;
}
hr{
    border-color:#dddddd;
}
.col-md-8>img{
    width:100%;
}
.credit_p2{
    color:#666666;
}
.col-md-8>.credit_img>img{
    width:100%;
}

/*滚动条*/
.gundong
{
    width:10px;
    height:550px;
    margin:0 auto;
    overflow-y:scroll;
    scrloobar-arrow-color:#ccc;
}
/* 小屏幕（平板，大于等于 768px） */
@media (max-width:768px) {
   .gundong{
       display: none;
   }
}
.article_content{
    border-left:3px solid #ccc;
    color: #333;
    word-wrap:break-word ;
    overflow-y:auto;
}
.article_content img{
    max-width: 100%;
}