.w1280 {
    width: 1280px;
    margin-left: auto;
    margin-right: auto;
}
.center{text-align:center}
.dib{display:inline-block;}
.both:after {
    content: "";
    display: table;
    clear: both;
}
.bannerNew{background-color:#000}
.bannerNew .box{width:1280px; height:500px; background: url("/Content/img/Topic/DFM/bannerNew.jpg") no-repeat center center; margin:0 auto; position: relative;}
.bannerNew .bn{position: absolute; top:290px; left:686px;}
.bannerNew .bn>*{float: left; position: relative; transition:all 0.3s ease; -moz-transition:all 0.3s ease; -webkit-transition:all 0.3s ease;}
.bannerNew .bn>*:hover{top:2px;}
.bannerNew .bn .bn1{background: url("/Content/img/Topic/DFM/bnDown.png") no-repeat center center; width:245px; height:73px;}
.bannerNew .bn .bn2{border:1px solid #008C95; border-radius:5px; font-size:30px; color:#f90; margin:5px 0 0 1em; line-height:66px; padding:0 1.6em;}
.bannerNew .bn .bn2:before{content:'\e648'; font-family: iconfont_dg; margin-right:.3em; font-weight: bold}
.bannerNew .bn .bn2:hover{color:#fff; background-color:#f90}
.banner {
    width: 100%;
    height: 500px;
    background:url(/Content/img/Topic/DFM/dfmBanner.png) no-repeat center;background-size:cover;
}
    .banner a{
        width:100%;height:100%;
        display:inline-block;
    }

    .advantage {
        width: 100%;
        height: 60px;
        line-height: 60px;
        background: #E4DDD2;
        font-size: 18px;
        color: #333333
    }

    .advantage li {
        width: 25%;
        float: left;
        text-align: center;
        border-left: 1px solid #CFC2AE;
    }
        .advantage li:last-child {
            border-right: 1px solid #CFC2AE;
        }
        .explain {
            padding: 40px 0 50px 0;
        }

.video_img {
    width: 960px;
    margin: 0 auto;
    height:555px;
    /*background:url(/Content/img/Topic/DFM/video_img.png) no-repeat center;background-size:cover;*/
    position:relative
}
    .video_img video{width:100%;height:100%;}
    .video_img .play {
        width: 64px;
        height: 64px;
        display: inline-block;
        background: url(/Content/img/Topic/DFM/play.png) no-repeat center;
        background-size: cover;
        position: absolute;
        left: 50%;
        margin-left: -32px;
        top: 50%;
        margin-top: -32px;
        z-index: 10
    }


.instrument {
    width: 100%;
    height: 550px;
    padding: 40px 0 50px 0;
    background: #FAF8F6;
}

    .instrument li:nth-child(1) {
        margin-left: 0;
    }

    .instrument li {
        width: 305px;
        height: 300px;
        float: left;
        margin-left: 20px;
        text-align: center;
        /*padding: 0 10px;*/
        background:#fff;
        transition:all .2s ease;
    }
        .instrument li:hover {
            box-shadow: -2px 0 31px rgba(0,0,0,.1);
        }
        .instrument li img {
            display: inline-block;
            height: 153px;
            width: 100%;
        }

        .instrument li p {
            color: #333333;
            font-size: 20px;
            margin-bottom: 15px;
        }

        .instrument li span {
            font-size: 14px;
            line-height: 25px;
            color: #999999;
        }

.bg_tolad {
    width: 100%;
    background: url(/Content/img/Topic/DFM/bg_tolad.png) no-repeat center;background-size:cover;
    height: 300px;
    text-align: center;
    padding-top: 110px;
}

    .bg_tolad p {
        font-size: 30px;
        color: #fff;
        margin-bottom: 20px;
    }

    .bg_tolad span {
        color: #fff;
        font-size: 16px;
    }

.exhibition {
    padding: 40px 0 30px 0;
    text-align: center;
}
    .exhibition ul {
        width: 1280px;
        margin:0 auto;
        margin-top:40px;
    }
        .exhibition ul li {
            width: 124px;
            height: 165px;
            text-align: center;
            float: left;
            margin-right: 20px;
            transition: all .2s ease;
            padding: 34px 32px 0 32px;
            border: 1px solid #F5F5F5;margin-bottom:20px;
        }

        .exhibition ul li:nth-child(9n) {
            margin-right: 0;
        }

        .exhibition ul li img {
            width: 60px;
            height: 60px;
            display:inline-block;
            margin-bottom:16px;
        }

        .exhibition ul li span {
            font-size: 16px;
            color: #333333
        }

        .exhibition ul li:hover {
            box-shadow: 0px 3px 20px 0px rgba(0, 0, 0, 0.2);
        }


.scene {
    background: #FAF8F6;width:100%;padding:40px 0 50px 0;

}
.sceneSwiper{
    width:100%;height:430px;
}
.download{height:400px;width:100%;background:url(/Content/img/Topic/DFM/download.png) no-repeat center;background-size:cover;padding-top:90px;color:#fff}
.download_btn{background:url(/Content/img/Topic/DFM/download_btn.png) no-repeat center;background-size:cover;width:355px;height:90px;display:block;margin:0 auto;}




.sidebar-tab {
    width: 84px;
    height: 92px;
    background-color: #ba9358;
    border-radius: 4px;
    padding: 14px 16px;
    box-sizing: border-box;
    color: #fff;
    position: fixed;
    right: 0;
    top: 60%;
    text-align: center;
}