.videobox {
    width: 98%;
    max-width: 1920px;
    margin: 1% auto;
    background: #FAFAFC;
}
.video {
    width: 100%;
    height: 100%;

}
.topbox {
    width: 100%;
    margin: 0 auto;
    background: #FAFAFC;
}
.top {
    position: relative;
    width: 98%;
    max-width: 1920px;
    height: 300px;
    margin: 0 auto;
}
.top-item {
    position: absolute;
    width: 24%;
    font-family: 'ysbth';
    font-size: 50px;
    color: #fff;
    text-shadow: 0 2px 3px rgba(0, 0, 0, 0.65);
    text-align: center;
    background: no-repeat center;
    cursor: pointer;
    overflow: hidden;
}
.top-item._szzf {
    left: 0;
}
.top-item._zhhb {
    left: 25.3%;
}
.top-item._zhyq {
    left: 50.6%;
}
.top-item._clw {
    left: 75.9%;
}
.top-item-img {
    max-width: 100%;
    height: auto;
}
.top-item-title {
    position: absolute;
    top: calc(50% - 25px);
    left: 0;
    width: 100%;
    height: 100%;
    line-height: 50px;
    z-index: 2;
}
.top-item:hover>.top-item-title {
    font-size: 60px;
}
.content {}
.content._grey {
    background: #FAFAFC;
}
.content._dwyyj {
    height: 600px;
    margin: 0 auto;
    background: #FAFAFC url('../images/index/dwyyj_bg.png') no-repeat center/1920px 600px;
}
.content._zzzs {
    padding-bottom: 50px;
}
.content-title {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px 0;
    width: 1200px;
    margin: 0 auto;
    color: #333333;
    font-size: 24px;
    font-weight: bold;
}
.content-title._zzzs {
    padding-bottom: 0;
}
.content-title-bottom {
    width: 24px;
    height: 6px;
    margin-top: 6px;
    background: #B81C22;
}
.content-title-zzzs {
    width: 1200px;
    height: 50px;
    margin: 0 auto;
    background: url('../images/index/zzzs-title.png')no-repeat center/1119px 50px;
}
.content-body {
    width: 1200px;
    margin: 0 auto;
}
.content-body._fzlc {
    width: 1181px;
    height: 559px;
    margin-bottom: 50px;
    background: url('../images/index/fzlc.png')no-repeat center/contain;
}
.content-body._dwyyj {
    width: 1214px;
    height: 430px;
    background: url('../images/index/dwyyj.png')no-repeat center/contain;
}
.content-body._dwyyj {
    width: 1214px;
    height: 430px;
    background: url('../images/index/dwyyj.png')no-repeat center/contain;
}
.content-body._zzzs {
    position: relative;
    width: 1200px;
    height: 373px;
    background: url('../images/index/zzzs-img.png')no-repeat center/contain;
}
.content-body._zhzw {
    width: 1099px;
    height: 180px;
    background: url('../images/index/zhzws.png')no-repeat center/contain;
}
.content-body._zhhb {
    width: 1099px;
    height: 180px;
    background: url('../images/index/zhhbs.png')no-repeat center/contain;
}
.content-hzhb-title {
    padding-bottom: 40px;
    font-size: 16px;
    text-align: center;
}
.content-hzhb-title._top {
    padding-top: 30px;
}
.content-body._scroll {
    position: relative;
}
.scroll {
    position: relative;
    overflow: hidden;
}
.scrollbox {
    position: relative;
    width: max-content;
    height: 350px;
    margin-bottom: 60px;
}
.scrollbox-boxitem {
    position: relative;
    display: inline-block;
    width: 300px;
    height: 100%;
}
.scrollbox-item {
    position: absolute;
    left: calc(50% - 120px);
    bottom: 17px;
    width: 240px;
    height: 300px;
    margin: auto;
    background: #fff;
    border-radius: 0 15px 0 15px;
    box-shadow: 0 8px 16px rgba(138, 168, 188, 0.1);
    box-sizing: border-box;
    cursor: pointer;
}
.scrollbox-item-title {
    padding: 35px 16px 10px 16px;
    font-size: 16px;
    font-weight: bold;
    height: 82px;
}
.scrollbox-item-content {
    height: 100px;
    padding: 25px 0;
    margin: 0 16px;
    color: #999999;
    border-top: 1px solid #E8E8E8;
    font-size: 12px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
}
.scrollbox-item-bottom {
    height: 38px;
    margin: 0 16px;
    line-height: 38px;
    text-align: right;
    font-size: 14px;
    font-weight: bold;
    color: #999999;
    background: url('../images/index/arrow.png')no-repeat left center/18px 12px;
}
.scrollbox-item:hover {
    width: 274px;
    height: 343px;
    left: calc(50% - 137px);
    box-shadow: 0 16px 32px rgba(138, 168, 188, 0.3);
}
.scrollbox-item:hover>.scrollbox-item-title {
    height: 133px;
    padding-top: 50px;
    color: #fff;
    background: url('../images/index/xwbg.png');
}
.scrollbox-item:hover>.scrollbox-item-bottom {
    background: url('../images/index/arrow-active.png')no-repeat left center/38px 38px;
}
.scroll-l {
    position: absolute;
    top: calc(50% - 21px);
    left: -70px;
    width: 42px;
    height: 42px;
    background: url('../images/index/scroll-l.png')no-repeat center/contain;
    cursor: pointer;
}
.scroll-r {
    position: absolute;
    top: calc(50% - 21px);
    right: -70px;
    width: 42px;
    height: 42px;
    background: url('../images/index/scroll-r.png')no-repeat center/contain;
    cursor: pointer;
}
.scroll-l:hover,
.scroll-r:hover {
    opacity: 0.5;
}
.scroll-l._disable,
.scroll-r._disable {
    opacity: 0.5;
    cursor: auto;
}
.scroll-bottom {
    position: absolute;
    bottom: 40px;
    left: 25px;
    width: 1150px;
    height: 3px;
    background: #fff;
}
.scroll-percent {
    height: 3px;
    background: #B81C22;
}
.zzzs-arrowl {
    position: absolute;
    top: 50px;
    left: -40px;
    width: 30px;
    height: 30px;
    background: url('../images/index/arrowl.png');
    cursor: pointer;
}
.zzzs-arrowr {
    position: absolute;
    top: 50px;
    right: -40px;
    width: 30px;
    height: 30px;
    background: url('../images/index/arrowr.png');
    cursor: pointer;
}