.banner {
    width: 83.333%;
}

.banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.desc {
    width: 83.333%;
    margin: auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.desc .left {
    position: relative;
}

.desc .left .bg {
    width: 23.125vw;
    height: 23.125vw;
    right: 0;
    top: -14px;
    position: absolute;
    z-index: -1;
}

.desc .left .contents {
    color: #000;
    text-align: left;
}

.desc .right {
    width: 40.3125vw;
    height: 23.3333vw;
    position: relative;
    cursor: pointer;
}

.desc .right .bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.desc .right .btn {
    width: 3.0208vw;
    height: 3.0208vw;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translateX(-50%);
}

#modal {
    display: none;
}

#modal .modal_contain {
    width: 100%;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    background: rgba(0, 0, 0, .5);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
}
#modal .modal_contain .modal_video{
    width: 50%;
    height: 50%;
}
#modal .modal_contain .modal_video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}