.download_body {
    margin-top: 5rem;
}

.serve_page {
    color: #ca2e2f;
}
.download_top_menu {
    padding: 1rem 10rem;
    background: #f8f8f8;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.crumbs_bar_box .breadcrumb_navigation_bar {
    color: #707070;
}

.crumbs_bar_box .breadcrumb_navigation_bar_icon::before {
    background: url(../imgs/shouye.png) no-repeat;
    background-size: contain;
    background-position: center;
}



.download_show_box {
    padding: 5rem 10rem;
    display: flex;
    flex-flow: wrap;
}

.download_show_item {
    width: 22%;
    padding: 1rem;
    border: 1px solid rgba(155, 155, 155, 0.5);
    margin: 1rem 1.5%;
}

.download_show_item_pic {
    width: 100%;
    padding: 0 2.5rem;
}

.download_show_item_pic img {
    width: 100%;
    object-fit: contain;
}

.download_show_item_content {
    margin-top: 1rem;
}

.download_show_item_title {
    font-weight: bold;
    text-align: center;
    font-size: 1.2rem;
    margin: 1rem 0;
}

.download_operation {
    display: flex;
    justify-content: space-around;
}

.download_operation_view,
.download_operation_down {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.download_operation_view {
    color: #417505;
}

.download_operation_down {
    color: #ca2e2f;
}

.download_operation_view::before,
.download_operation_down::before {
    content: "";
    display: block;
    width: 1.5rem;
    height: 1.5rem;
    margin-right: 0.3rem;
}

.download_operation_view::before {
    background: url(../imgs/look1.png) no-repeat;
    background-size: contain;
    background-position: center;
}

.download_operation_down::before {
    background: url(../imgs/download.png) no-repeat;
    background-size: contain;
    background-position: center;
}





@media (max-width: 1000px) {
    .download_show_item {
        width: 30%;
        margin: 1rem 1.5%;
    }
}

@media (max-width: 899px) {
    .download_top_menu {
        padding: 1rem 5rem;
    }

    .download_body {
        margin-bottom: 5rem;
    }

    .download_show_box {
        padding: 5rem 5rem;
    }

}

@media (max-width: 750px) {
    .download_show_item {
        width: 47%;
        margin: 1rem 1.5%;
    }
}
@media (max-width: 450px) {
    .download_show_item {
        width: 97%;
        margin: 1rem 1.5%;
    }
}
@media (max-width: 400px) {
    .download_top_menu {
        padding: 1rem 2rem;
    }

    .download_show_box {
        padding: 2rem 2rem;
    }
}