.banner_content_about {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}
.banner_content_center {
    width: 1300px;
    height: 620px;
    overflow: hidden;
    display: flex;
    align-items: center;
    align-items: center;
}
.banner_content_center_img {
    width: 1300px;
    display: block;
}