.main_content {
    margin: 0 auto;
    min-width: 1440px;
    padding-top: 30px;
}

.main_top {
    width: 100%;
    background: white;
    z-index: 999;
    top: 0;
}

.works_select_div {
    border-bottom: 1px solid #e5e5e5;
    margin: 0px 100px 0px 100px;
    padding-top: 10px;
}

.works_select_nav {
    display: flex;
    justify-content: center;
}

.works_select_li {
    padding: 0 20px 10px 20px;
    cursor: pointer;
    font-size: 22px;
    color: #b6b6b6;
    margin: 0 20px;
    border-bottom: 2px solid rgba(0, 0, 0, 0);
}

.works_select_li:hover {
    color: black;
}

.works_select_nav #active {
    color: black;
    border-bottom: 2px solid black;
}

.works_list {
    display: grid;
    column-gap: 24px;
    grid-template-columns: repeat(3, 1fr);
    justify-items: center;
}

.works_child {
    margin-bottom: 50px;
}

.works_img {
    position: relative;
    margin-bottom: 5px;
    display: block;
    overflow: hidden;
    border-radius: 5px;
}

.works_img img {
    position: relative;
    cursor: pointer;
    border-radius: 5px;
    z-index: 10;
    transition: transform .28s;
}

.works_img img:hover {
    /* opacity: 0.85; */
    transform: scale(1.08);
}

.works_main {
    padding: 0 100px;
    padding-top: 30px;
}

.works_introduce {
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    cursor: pointer;
    display: block;
}

.works_introduce:hover {
    color: rgb(255, 115, 0);
}


.works_img_back {
    width: 100%;
    background-size: 100% auto !important;

}

.works_img_back:before {
    content: "";
    display: block;
    padding-top: 100%;
}

/* .img_top {
    position: absolute;
    top: 0px;
    left: 0;
    background: #ff000000;
    width: 100%;
    height: 100%;
} */