/*视频遮罩层*/
.video-mask {
    position: fixed;
    z-index: 888888;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    display: none;
}

.video-mask .video-mask-close {
    position: absolute;
    right: 6px;
    top: 6px;
    width: 35px;
    height: 35px;
    border-radius: 18px;
    font-size: 24px;
    line-height: 35px;
    text-align: center;
    cursor: pointer;
    color: gray;
}

.video-mask .video-js {
    position: absolute;
    width: 64vw;
    height: 36vw;
    top: 45vh;
    left: 50vw;
    transform: translate(-50%, -50%);
}

.video-mask .video-js .vjs-tech:focus, .video-mask .vjs-button:focus {
    outline: none;
}

.video-mask .video-js .vjs-big-play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 1.5em;
    height: 1.5em;
    border-radius: .75em;
    outline: none;
}

@media screen and (orientation: portrait) and (max-width: 500px) {
    /*竖屏 css*/
    .video-mask .video-js {
        position: absolute;
        width: 100vw;
        height: 56.25vw;
        top: 50vh;
        left: 50vw;
        transform: translate(-50%, -50%);
    }
}