@media ( max-width: 768px) {

    .fixed-top {
        top: -30px;
    }

    #loginDiv {
        top: 15%;
    }

    #loginDiv a {
        font-size: 14px;
    }

    .navbar-header {
        padding-top: 0;
    }

    .img-responsive {
        height: 70px;
        width: 70px;
    }

    .logo-text {
        display: block;
        width: 220px;
        text-align: center;
    }

    .logo-text b {
        font-size: 22px;
        letter-spacing: 0;
    }

    .logo-text span {
        display: none;
    }

    .navbar-right {
        float: right;
        margin: 0 !important;
    }

    .search_style_body .header-right-indexSearch {
        text-align: left;
        margin-right: 0;
    }

    .search_style_body .search-input {
        width: 65%;
        height: 25px;
        font-size: 12px;
    }

    .search-dropdown-indexSearch {
        top: -30px;
        right: 30px;
    }

    .search_style_body .dropnav {
        font-size: 16px;
    }

    .search_style_body .search-btn {
        line-height: 30px;
    }

    .left-right {
        margin-left: 0;
    }

    .left-right .navbar-nav {
        display: inline-block;
        width: 100%;
        margin: 0 auto;
    }

    .left-right .navbar-nav li {
        margin-right: -25px;
        margin-left: 10px;
    }

    .left-right .navbar-nav li a {
        font-size: 16px;
        padding-top: 5px;
    }

    .nav-next-menu {
        display: grid;
    }

    .indexNav_style_body .dropdown-nav-index1:hover .content-database-nav {
        width: 260px;
        left: -80%;
    }

    .triangle-sanjiaoxing-index1, .triangle-sanjiaoxing-index2, .triangle-sanjiaoxing-index3 {
        left: 50% !important;
    }

    /**/
    .bg-banner {
        display: none;
    }

    /*三个平台*/
    .part-a {
        margin-top: 240px;
    }

    .max-phone {
        display: block;
    }

    .part-a-imgs {
        display: none;
    }

    .slideshow-container {
        width: 100%;
        position: relative;
        margin: auto;
    }

    /* 默认隐藏图片 */
    .mySlides {
        display: none;
    }

    /* Next & previous 按钮 */
    .prev, .next {
        position: absolute;
        top: 40%;
        margin-left: -10%;
        margin-right: 10%;
        width: 20px;
        color: #ccc;
        font-weight: bold;
        font-size: 24px;
        transition: 0.6s ease;
        user-select: none;
    }

    /* 将 "next button" 放在右侧 */
    .prev {
        border-radius: 5px 0 0 5px;
    }

    .next {
        right: 0;
        border-radius: 0 5px 5px 0;
    }

    /* 悬停时，添加一点透视的黑色背景颜色 */
    .prev:hover, .next:hover {
        background-color: rgba(0, 0, 0, 0.2);
    }

    .card-go {
        width: auto;
    }

    .card-go a img {
        height: 180px;
        width: 270px;
    }

    /*成果展示*/
    .xwdt img {
        width: 160px;
    }

    .xwdt-class {
        font-size: 18px;
        left: -140px;
    }

    .part-b {
        margin-top: 0;
    }

    .part-d {
        margin-top: 60px;
    }

    .middle-lunbo {
        height: 500px;
    }

    .card-img-top {
        height: 230px;
    }

    .card-img-top, .img-text1 {
        width: 300px;
    }

    .middle-lunbo ul li .content {
        height: 400px;
    }

    .middle-lunbo ul li {
        display: inline-block;
    }

    .middle-lunbo ul li label {
        top: 320px;
        width: 150px;
    }

    .middle-lunbo ul li:nth-child(2) .content a img {
        height: 260px;
    }

    /*基础数据*/
    table.gridtable {
        height: 430px;
        width: 100%;
    }

    table.gridtable th {
        width: 115px;
    }

    table.gridtable th i {
        font-size: 40px;
    }

    table.gridtable th span {
        font-size: 18px;
    }

    table.gridtable th span p {
        font-size: 14px;
    }

    /*业界动态*/
    .part-c-title {
        margin-left: 0;
        margin-right: 0;
    }

    .xwdt-more {
        font-size: 14px;
    }

    .news-detail {
        margin: 0;
    }

    .news {
        display: grid;
    }

    .news-part {
        width: 100%;
        padding: 0 5px;
        margin: 10px 0;
    }

    /*最新案例、应急百科*/
    .bottom-tittle {
        font-size: 18px;
        width: 100%;
        line-height: 15px;
        text-align: left;
        height: 50px;
    }

    .case1, .case2 {
        width: 100%;
    }

    .section2-title-index {
        width: 100%;
    }

    .case-part {
        display: none;
    }

    .case2 {
        height: 400px;
    }

    .section3-height-index {
        height: 36px;
        width: 50%;
    }


    /**/
    .top-img img {
        height: 80px;
        width: 100%;
        margin-top: 50px;
    }

    .md-show {
        margin-top: 50px;
    }

    /**/
    .footerIntro {
        margin-top: 20px;
        padding-top: 20px;
        background: #006F8A !important;
        width: 100%;
        color: #fff !important;
        position: relative;
        overflow: hidden;
        text-align: center;

    }

}