.md19418.md-about_us_video{width: 100%;padding: 1rem 0 .9rem;}
.md19418.md-about_us_video img{display: inline-block;vertical-align:middle;max-width: 100%;}
.md19418.md-about_us_video .layout{width: 16rem;max-width: 92%;margin: 0 auto;}
.md19418.md-about_us_video .wk-cont{width: 100%;display: flex;flex-wrap: wrap;}
.md19418.md-about_us_video .wk-item{display: block;cursor: pointer;width: 31.62%;text-align: center;margin-right: 2.57%;margin-bottom: .55rem;}
.md19418.md-about_us_video .wk-item:nth-child(3n){margin-right: 0;}
.md19418.md-about_us_video .wk-imgbox{width: 100%;position: relative;}
.md19418.md-about_us_video .wk-img{width: 100%;position: relative;overflow: hidden;padding-top: calc(300/506*100%);}
.md19418.md-about_us_video .wk-img img{position: absolute;top: 0;left: 0;width: 100%;height: 100%;object-fit: cover;transform: scale(1.00);transition: all ease .5s;}
.md19418.md-about_us_video .wk-play{position: absolute;top: 50%;left: 50%;transform: translate(-50%,-50%);}
.md19418.md-about_us_video .wk-play img{width: .8rem;}
.md19418.md-about_us_video .wk-text{width: 100%;padding-top: 0.25rem;}
.md19418.md-about_us_video .wk-name{transition: all .3s; width: 100%;color: #222222;font-weight: bold;line-height: 1.4;}
.md19418.md-about_us_video .wk-item:hover .wk-img img{transform: scale(1.05);}
.md19418.md-about_us_video .wk-item:hover .wk-name{color: #e00014;}
@media (max-width: 750px) {
   .md19418.md-about_us_video .wk-item{width: calc(50% - .15rem);margin-right: .3rem;}
   .md19418.md-about_us_video .wk-item:nth-child(3n){margin-right: .3rem;}
   .md19418.md-about_us_video .wk-item:nth-child(2n){margin-right: 0;}
}

.paging{width: 100%;text-align: center;font-size: 0;}
.paging-item{transition: all .3s; display: inline-block;vertical-align: middle;cursor: pointer;margin: .1rem .05rem;min-width: .5rem;height: .5rem;line-height: .5rem;text-align: center;border-radius: .25rem;background-color: #ffffff;}
.paging-item:hover{background-color: #e00014 !important;color: #fff;}
.paging-item.active{background-color: #e00014 !important;color: #fff;}
.paging-up{transition: all .3s; display: inline-block;vertical-align: middle;cursor: pointer;margin: .1rem .05rem;min-width: .5rem;height: .5rem;text-align: center;border-radius: .25rem;background-color: #ffffff;background-image: url(/static/home/images/a2.png);background-size: .56em auto;background-position: center center;background-repeat: no-repeat;}
.paging-up:hover{background-color: #e00014 !important;background-image: url(/static/home/images/a2-b.png);}
.paging-next{transform: rotate(-180deg);transition: all .3s; display: inline-block;vertical-align: middle;cursor: pointer;margin: .1rem .05rem;min-width: .5rem;height: .5rem;text-align: center;border-radius: .25rem;background-color: #ffffff;background-image: url(/static/home/images/a2.png);background-size: .56em auto;background-position: center center;background-repeat: no-repeat;}
.paging-next:hover{background-color: #e00014 !important;background-image: url(/static/home/images/a2-b.png);}
.paging_grey .paging-item{background-color: #f4f4f6;}
.paging_grey .paging-up{background-color: #f4f4f6;}
.paging_grey .paging-next{background-color: #f4f4f6;}


@media (max-width: 1150px) {
    .paging-item{min-width: .6rem;height: .6rem;line-height: .6rem;border-radius: .3rem;}
    .paging-up{min-width: .6rem;height: .6rem;border-radius: .3rem;}
    .paging-next{min-width: .6rem;height: .6rem;border-radius: .3rem;}
}