.picScroll {
    width: 1200px;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
}

.picScroll .bd {
    width: 1148px;
    margin: 0 auto;
}

.picScroll .bd ul {
    overflow: hidden;
}

.picScroll .bd ul li {
    position: relative;
    float: left;
    margin: 0 12px;
    overflow: hidden;
}

.picScroll .bd ul li img {
    width: 262px;
    height: 147px;
}

.picScroll .prev {
    display: block;
    width: 26px;
    height: 147px;
    position: absolute;
    top: 0;
    left: 0;
    background: url(../img/prev_btn.png) no-repeat;
}

.picScroll .next {
    display: block;
    width: 26px;
    height: 147px;
    position: absolute;
    top: 0;
    right: 0;
    background: url(../img/next_btn.png) no-repeat;
}

.picScroll .bd .info {
    width: 262px;
    margin-top: 26px;
}

.picScroll .bd .info p {
    color: #fff;
    font-size: 14px;
    margin: 0;  
}

.introduce {
    width: 1200px;
    height: 460px;
    margin: 0 auto;
    margin-top: 40px;
}

.intro_tab li {
    width: 300px;
    height: 60px;
    float: left;
    line-height: 60px;
    text-align: center;
    color: #c8c9cc;
    background: #2c3749;
    cursor: pointer;
}

.intro_tab li.on {
    background: #3a4960;
}

.intro_con {
    width: 1200px;
    height: 280px;
    padding-top: 60px;
    padding-bottom: 60px;
    background: #222b3b;
    overflow-y: auto;
    display: none;
}

.intro_con.on {
    display: block;
}

.intro_con .article {
    width: 1030px;
    margin: 0 auto;
}

.intro_con p {
    width: 1030px;
    color: #91959d;
    font-size: 18px;
    margin-bottom: 10px;
}

.ad_box ul {
    width: 1080px;
    margin: 0 auto;
    margin-top: 75px;
    overflow: hidden;
}

.ad_box ul li {
    width: 120px;
    height: 60px;
    margin: 0 30px;
    margin-bottom: 40px;
    float: left;
}

.ad_box ul li img {
    width: 120px;
    height: 60px;
}