@media only screen and (max-width:1680px) {
    .index4 {
        width: 95%;
        margin: 0 auto;
    }
}

@media (min-width:1200px) {
    .swi_tab .pro_tit h1 {
        overflow: hidden;
        text-overflow: ellipsis;
        display: -webkit-box;
        display: box;
        width: 200;
        -webkit-line-clamp: 1;
        -webkit-box-orient: vertical;
    }
}

@media screen and (max-width:1200px) {

    .index1,
    .index3_max,
    ul.news_ul,
    .news_box,
    .main_middle,
    .contact {
        width: 95%;
        margin: 0 auto;
    }
}

@media screen and (max-width:1000px) {
    ul.contact_ul li p {
        font-size: 16px;
    }
}

@media screen and (max-width:900px) {
    .telephone {
        display: none;
    }

    .nav {
        width: 60%;
    }

    .subNavBox {
        width: 100%;
        margin: 50px auto;
    }

    h1.con_h1 {
        font-size: 18px;
    }

    ul.contact_ul li img {
        width: 50px;
    }

    ul.contact_ul li p {
        line-height: 50px;
    }

    #allmap {
        width: 95%;
        margin: 0 auto 10px auto;
    }

    .join h1 {
        font-size: 30px;
    }
}

@media screen and (max-width:768px) {
    a.logo {
        position: absolute;
        top: 5px;
        width: 30%;
    }

    .nav {
        padding: 6px 0;
        width: 100%;
    }

    .pc_l {
        display: none;
    }

    .ph_l {
        display: block;
    }

    .slider_banner .pc {
        display: none;
    }

    .slider_banner .ph {
        display: block;
    }

    .index1_left {
        width: 100%;
        float: none;
    }

    .index1_right {
        display: none;
    }

    .index1 {
        padding: 50px 0;
    }

    .title h1 {
        font-size: 26px;
    }

    header {
        background: rgba(255, 255, 255, 1);
        position: relative;
        box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
    }

    .title1 {
        padding-top: 0;
    }

    .index1_left p.p {
        padding: 20px 0 0 0;
    }

    .index3_margin {
        padding: 30px 0;
        margin: 40px 0;
    }

    .about1 {
        padding-top: 30px;
    }

    .about3 {
        padding: 50px 0;
    }

    .news_nav a {
        width: 30%;
        height: 38px;
        line-height: 38px;
        font-size: 14px;
    }

    .news_r a.news_a {
        display: none;
    }

    .news_r .news_r_r {
        width: 100%;
        padding-right: 0;
    }

    ul.news_ul li {
        padding: 20px 0;
    }

    .news_r .news_r_r h1 {
        font-size: 16px;
        padding: 0;
    }

    .news_r .news_r_r span {
        font-size: 14px;
        padding: 10px 0;
    }

    .news_r .news_r_r p {
        line-height: 22px;
        overflow: hidden;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-line-clamp: 1;
        -webkit-box-orient: vertical;
    }

    .news_r {
        margin-left: 0;
        float: right;
        width: 58%;
    }

    .news_img {
        width: 40%;
    }

    .news_main p {
        font-size: 14px;
        line-height: 24px;
    }

    .next-box a {
        font-size: 14px;
        padding: 14px 0;
    }

    .subNav {
        padding: 20px 0;
        background-size: 30px;
    }

    .currentDt {
        background-size: 16px !important;
    }

    .subNav h1 {
        font-size: 20px;
    }

    .subNav h6 {
        line-height: 26px;
    }

    .contact {
        padding: 30px 0;
    }

    .contact_l {
        width: 100%;
    }

    ul.contact_ul {
        padding-bottom: 30px;
    }

    ul.contact_ul li {
        padding-bottom: 20px;
    }

    .contact_r {
        width: 100%;
    }

    .join h1 {
        font-size: 24px;
    }

    .join_input {
        width: 95%;
        padding: 40px 0;
    }

    .pr_img {
        float: none;
        width: 100%;
    }

    .pr_right {
        float: none;
        width: 100%;
    }

    #cssmenu>ul>div.chan_lang {
        width: 100%;
        float: none;
        text-align: center;
    }
}

@media screen and (max-width:600px) {
    a.logo {
        width: 40%;
        left: 10px;
        top: 0;
        padding: 5px 0 0 0;
    }

    .fixednav a.logo {
        width: 40%;
        padding: 0;
    }

    ul.index2 li img {
        width: 50px;
    }

    .gallery-thumbs {
        display: none;
    }

    .pro_left {
        float: none;
        margin: 0 auto;
        width: 100%;
    }

    .pro_right {
        max-width: 100%;
        width: 100%;
        position: unset;
        float: none;
        padding-top: 30px;
        transform: translateY(0)
    }

    .product_block {
        padding: 20px;
    }

    .swiper-button-right {
        width: 30px !important;
        height: 30px !important;
        background-size: 100%;
    }

    .swiper-button-left {
        width: 30px !important;
        height: 30px !important;
        background-size: 100%;
    }

    .pro_right h1 {
        font-size: 18px;
        padding-bottom: 12px;
    }

    .pro_right p {
        font-size: 15px;
    }

    .zhi p {
        font-size: 12px;
    }

    .center {
        padding-top: 0;
    }

    ul.index_news {
        width: 94%;
        margin: 30px auto 0 auto;
    }

    ul.index_news li {
        width: 100%;
    }

    .fot_mid {
        padding: 30px 0;
        width: 90%;
        margin: 0 auto
    }

    .fot_logo {
        width: 100%;
        float: none;
        display: none;
    }

    .fot_logo img {
        width: 150px;
        margin: 0 auto;
        display: block;
    }

    .fot_logo h1 {
        font-size: 16px;
        padding-top: 10px;
    }

    ul.fot_ul {
        width: 100%;
        padding: 0 0 20px 0;
        float: none;
        margin-left: 0;
    }

    .fot_right {
        float: none;
        margin: 0 auto;
    }

    ul.fot_ul:after {
        display: none;
    }

    .title3 {
        float: none;
        text-align: center;
    }

    .title3 p {
        background: url(../images/a_14.png) no-repeat bottom center;
    }

    .tab_menu {
        float: none;
        text-align: center;
        padding-top: 30px;
    }

    .tab_menu .tab_t {
        display: inline-table;
        float: none;
    }

    ul.about2 li .about_t,
    ul.about2 li .about_n {
        float: none;
        width: 100%;
    }

    ul.about2 li:first-child {
        padding-bottom: 30px;
    }

    ul.about2 li:first-child .about_n h1,
    .about_n h1 {
        padding-top: 15px;
        font-size: 18px;
    }

    .about_n p {
        padding-top: 10px;
    }

    ul.contact_ul li img {
        width: 38px;
    }

    ul.contact_ul li p {
        width: calc(100% - 50px);
        line-height: 24px;
        padding: 7px 0 0 10px;
        font-size: 15px;
    }

    .contact_r textarea {
        width: 96.5%;
    }

    .join_input .inp {
        margin: 0 1% 15px 1%;
        width: 48%;
    }

    .tex textarea {
        width: 96%;
        margin-bottom: 15px;
        margin-left: 1%;
    }
}