.agent-mobile .videoBg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1111;
    background: black;
}
.agent-mobile .vPlayItem video {
    max-width: 100%;
    max-height: 100%;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}