.video-container {
    position: relative;
    width: 100%;
    max-width: 100%;
    height: 100%;
    /* margin: 20px auto; */
}
.video-container img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.video-player {
    width: 100%;
    display: block;
    height: 100%;
    object-fit: cover;
}

.video-poster {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.3s;
}

.video-poster::before {
    z-index: 1;
    position: absolute;
    width: 100%;
    height: 100%;
    content: '';
    left: 0;
    top: 0;
    background-color: rgba(0, 0, 0, 0.3);
}

.video-poster:hover .play-button {
    transform: scale(1.1);
}

.play-button {
    width: 60px;
    height: 60px;
    background: url(../image/index56.png);
    background-size: 100% 100%;
    /* background-color: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center; */
    transition: transform 0.3s;
    z-index: 2;
}

.box4 .left .play-button {
    width: 95px;
    height: 95px;
}

/* .play-button::after {
    content: "";
    display: block;
    width: 0;
    height: 0;
    border-top: 15px solid transparent;
    border-bottom: 15px solid transparent;
    border-left: 25px solid #333;
    margin-left: 5px;
} */

.hide {
    opacity: 0;
    pointer-events: none;
}