.main > div:first-child {
    width: 1200px;
    position: absolute;
    top: 0;
}

.architecture {
    width: 925px;
}

.main_draw {
    width: 68%;
    height: 1px;
    background-color: #b1d8f2;
    margin: 50px 0;
}

.carousel_dept {
    width: 1200px;
}

    .architecture img,
    .carousel_dept img {
        width: 100%;
    }

.dept-big-img {
    width: 100%;
    height: 680px;
    margin: 0 auto;
    background: url("/assets/imgs/aboutUs/1.png") no-repeat;
    transition: 1s;
    border: 1px solid #186daa;
    box-sizing: border-box;
    background-size: 100% 100%;
}

.dept-small-img-list {
    width: 100%;
    margin-top: 20px;
    display: flex;
    justify-content: space-around;
    align-items: flex-end;
}

.dept-small-img {
    cursor: pointer;
    width: 24%;
    padding: 10px;
    box-sizing: border-box;
    background-color: transparent;
    opacity: 1;
    transition: 1s;
}

.moveSmallImg {
    /* opacity: 0;
  transform: translateY(-130px); */
    background-color: #186daa;
}

@media (max-width: 1220px) {
    .main > div:first-child,
    .architecture,
    .carousel_dept {
        width: 800px;
    }

    .dept-big-img {
        height: 534px;
    }
}

@media (max-width: 819px) {
    .main > div:first-child,
    .architecture,
    .carousel_dept,
    .main_draw {
        width: 100%;
    }

    .dept-big-img {
        height: 400px;
    }
}

@media (max-width: 400px) {
    .dept-big-img {
        height: 260px;
    }

    .dept-small-img {
        padding: 3px;
    }
}