@media(max-width:768px) {
    section {
        padding: 10px 0;
    }
    h1, .h1 {
        font-size: 30px;
    }
    .h4 {
        font-size: 14px;
    }
    .more {
        display: block;
    }
    .core .switch {
        display: block;
    }
    .feature, .partner {
        display: none;
    }
    .product .container>a, .partner .container>a, .case .nav, .product ul li .small, .core .nav ul {
        display: none;
    }
    .product h3, .case h3, .core h3, .partner h3, .about h3 {
        text-align: center;
        width: 100%;
        font-size: 24px;
    }
    .product h3 p, .case h3 p, .core h3 p, .partner h3 p, .about h3 p {
        margin-bottom: 0;
        font-size: 14px;
        color: #333;
        line-height: 25px;
        opacity: .5;
    }
    .product ul li {
        margin: 1%;
        width: 48% !important;
        /* width: 100% !important; */
    }
    .case .navsub li p {
        padding: 0 2px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        font-size: 14px;
        line-height: 35px;
    }
    .case .navsub li p span {
        display: none;
    }
    .core .nav {
        position: static;
    }
    .case .nav li {
        margin: 0;
        width: 20%;
    }
    .case .navsub li {
        width: 48% !important;
        height: 110px !important;
        float: none;
    }
    .case .navsub li:last-child {
        display: none;
    }
    .core h3+span {
        display: none;
    }
    .head .btn {
        width: 18%;
        margin-top: 20px;
        display: block;
    }
    .head .nav {
        width: 90%;
        display: none;
    }
    .head .hr {
        margin: 0 auto;
        width: 90%;
    }
    .head .nav>li {
        margin: 0;
        float: none;
        width: 100%;
        text-align: center;
        line-height: 40px;
        border-bottom: 1px solid #ccc;
    }
    .head .navsub {
        display: none;
        margin: 0 auto;
        position: static;
        width: 90%;
    }
    .head .navsub::before {
        display: none;
    }
    .core {
        background-color: #eee;
    }
    .core .con li {
        margin: 0 auto;
        width: 95%;
        background-color: #fff;
    }
    .core .con div {
        position: static;
        padding: 5%;
        color: #333;
        width: 100%;
    }
    .core .con div .h4 {
        font-size: 25px;
    }
    .core .con div span {
        font-size: 14px;
        color: #666;
    }
    .about ul {
        display: none;
    }
    .news {
        padding-top: 15px;
        background-color: #eee;
    }
    .news .tit {
        margin-bottom: 20px;
        text-align: center;
    }
    .news .zuo li {
        padding: 5px 0;
        text-indent: 1em;
    }
    .news .zuo li::after {
        content: '';
        position: absolute;
        width: 16px;
        height: 16px;
        top: 10px;
        left: -4px;
        z-index: 9;
        display: block;
        background: url(images/news-bg.png)no-repeat left;
    }
    .news .tit a {
        padding: 5px 20px;
        font-size: 16px;
    }
    .news .zuo li span, .news .zuo li small {
        display: none;
    }
    .news .zuo li a {
        font-size: 14px;
        color: #666;
    }
    .foot {
        margin-bottom: 30px;
    }
    .foot .m-nav {
        display: block;
    }
    /* ************************内页开始********************** */
    /* 产品列表 */
    .pro .nav {
        width: 100%;
        text-align: center;
        float: none;
    }
    .pro .nav li:first-child {
        display: none;
    }
    .pro .nav li {
        width: 33.33%;
        font-size: 16px;
        margin-bottom: -1px;
        line-height: 35px;
    }
    .pro .row .col-6 {
        padding-left: 5px;
        padding-right: 5px;
    }
    .pro .row {
        padding-top: 10px;
        width: 100%;
        margin: 0 auto;
    }
    .pro .page {
        margin-top: 10px;
    }
    /* 新闻 */
    .xinwen .first .small, .xinwen .first .h3 {
        margin: 15px 0;
        font-size: 14px;
    }
    .xinwen .first .h3 {
        font-size: 16px;
    }
    .xinwen .main .time, .xinwen .main .con p {
        display: none;
    }
    .xinwen .first a {
        margin-bottom: 15px;
        width: 100px;
        font-size: 12px;
        line-height: 35px;
    }
    .xinwen .main .con {
        width: 60%;
    }
    .xinwen .main .img {
        width: 40%;
    }
    .xinwen .main .con a {
        font-size: 16px;
    }
    .details .row h1 {
        margin: 20px 0;
        font-size: 18px;
    }
    .pro .row .col-md-4 img, .pro .row .col-md-3 img {
        height: 120px;
    }
    .pro .nav li a {
        font-size: 14px;
    }
    .new-con .zixun .col-md-6 a {
        width: 70%;
        display: inline-block;
        overflow: hidden;
        white-space: nowrap;
        text-overflow: ellipsis;
    }
    .img-h {
        height: 200px;
    }
    .head .h-phone {
        display: none;
    }
    .head .logo {
        width: 80%;
    }
    .m_none{display: none;}
    .m_block{display: block;}
    .banner .swiper-slide img{
        height: 140px;
        width: 100%;
        object-fit: cover;
    }
}

/* @media (min-width: 1500px) {
    .case .navsub li:nth-child(3), .case .navsub li:nth-child(2) {
        height: 364px;
    }
    .partner ul li:hover div {
        margin-top: -47px;
    }
} */