.center_content .top {
    background:url(../images/bg1.jpg) no-repeat;
    width:100%;
    height:400px;
}

.center_content .top .cover {
    background: rgba(0, 0, 0, 0.2);
    width: 100%;
    height: 400px;
}

.center_content .top .toptxt {
    text-align:center;
    color:#fff;
    /*padding:50px 0;*/
    padding:100px 0;
}

.center_content .top .toptxt p {
    text-align:center;
    color:#fff;
}

.center_content .top .toptxt p.title {
    font-size:30px;
}

.center_content .top .toptxt p.txt {
    font-size: 26px;
    line-height: 30px;
    margin-top: 70px;
}

.center_content .intro {
    width: 1200px;
    /*margin: 50px auto 40px;*/
    margin: 80px auto;
    text-align: center;
}

.center_content .intro .goal .txt {
    color:#404040;
    font-size:25px;
    position:relative;
}

.center_content .intro p {
    color:#999;
    line-height: 25px;
    margin-top: 40px;
    font-size: 15px;
    text-align: left;
}

.center_content .picbox {
    width: 1200px;
    margin: 0 auto;
}

.center2 {
    background: #fff;
    padding: 80px 0;
}

.center_content .picbox .bg {
    margin-right: 15px;
    float:left;
    cursor:pointer;
}

.center3 {
    background: #f5f5f5;
    padding: 80px 0;
}

.center3 .picbox {
    width: 1200px;
    margin: 0 auto;
}

.center3 .picbox .bg {
    margin-right: 15px;
    float:left;
    cursor:pointer;
}

.center3 .picbox .bg:last-child {
    margin-right: 0;
}

#previewPlayer {
    width: 1024px;
    height: 618px;
    background: #000;
    margin: 0 auto;
}

/*2018-11-09新加*/
.Lwire,.Rwire{
    position:absolute;
    background: #45a3e6;
    width:20px;
    height: 4px;
    top:50%;
    margin-top: -2px;
}
.Lwire{
    right:100%;
    margin-right:10px;
}
.Rwire{
    left:100%;
    margin-left:10px;
}