.fullSlide{width:100%;position:absolute;height:100vh;margin:0px 0 0 0;top:0;z-index:1;}
.fullSlide .bd{margin:0 auto;position:relative;}
.fullSlide .bd ul{width:100%;}
.fullSlide .bd li{width:100%;height:100vh;background:center center no-repeat;
-webkit-background-size:cover;height:100vh;background-size:cover;}
.fullSlide .bd li a{display:block;height:100vh;}
.fullSlide .hd{width:100%;position:absolute;z-index:1;bottom:0;left:0;height:40px;line-height:40px;}
.fullSlide .hd ul{text-align:center;bottom:0;}
.fullSlide .hd ul li{cursor:pointer;display:inline-block;*display:inline;zoom:1;width:60px;height:3px;margin:3px;overflow:hidden;background:rgba(0,0,0,0.3);line-height:999px;}
.fullSlide .hd ul .on{background:rgba(255,255,255,0.8);}
.fullSlide .prev,.fullSlide .next{display:block;position:absolute;top:60%;margin:-30px 0 0 0;left:5%;z-index:3;width:40px;height:60px;background:url(../images/slider-arrow.png) -126px -137px #000 no-repeat;cursor:pointer;filter:alpha(opacity=50);opacity:0.1;display:none;}
.fullSlide .next{left:auto;right:5%;background-position:-6px -137px;}
/* 以下是全屏视频 */
.v_box{width: 100%;
    height:100%;
    min-width: 100%;
    min-height: 100%;
    position: relative;
    }
.v_box video {
    height: 100%;
    width: 100%;
    object-fit: cover; /* 关键所在 */
}
#videoPlay1 [
    height: 100%;
    width: 100%;
    object-fit: cover; /* 关键所在 */
]