@media only screen and (max-width: 1760px) {

}

@media only screen and (max-width: 1580px) {

}

@media only screen and (max-width: 768px) {
    .w1200 {
        width: 96%;
    }

    .main {
        padding: 25px 0;
    }

    header {
        background: rgba(13, 38, 95, 0.7);
        padding: 8px 0;
    }

    header .logo {
        float: left;
        display: block;
        height: 34px;
        transition: ease-in-out .3s;
        margin-top: 0;
    }

    header .nav_btn {
        display: block;
        float: right;
    }

    header .nav_list {
        /*display: none;*/
        position: fixed;
        width: 100%;
        margin-top: 0;
        height: calc(100vh - 50px);
        bottom: 0;
        left: 100%;
        /*right: 0;*/
        background: rgba(13, 38, 95, 0.7);
        box-sizing: border-box;
        border-top: 1px solid #777;
        transition: ease-in-out .3s;

    }

    header .nav_list.active {
        left: 0;
    }

    header .nav_list li {
        display: block;
        width: 100%;
        margin-left: 0;
        text-align: center;
        border-bottom: 1px solid #a4a4a4;
        box-sizing: border-box;
        /*padding: 6px 0;*/
    }

    header .nav_list li a {
        font-size: 16px;
        line-height: 52px;
        padding: 0;
        border-bottom: 0px solid transparent;
    }

    header .nav_list li.active a,
    header .nav_list li a:hover {
        color: #3795E3;
        border-bottom: 0px solid transparent;
    }

    .banner {
        margin-top: 50px;
    }

    .banner .swiper-slide .b1 {
        display: none;
    }

    .banner .swiper-slide .b2 {
        display: block;
        width: 100%;
    }

    .banner_page .page_li {
        width: 16px;
        height: 2px;
        margin: 0 4px;
    }

    .index_title h2 {
        font-size: 22px;
        line-height: 26px;
    }

    .index_title h2::before, .index_title h2::after {
        width: 50px;
        margin: 0 15px;
    }

    .index_title p {
        font-size: 12px;
        margin-top: 0;
        line-height: 16px;
    }

    .index_main1 {
        padding-top: 25px;
    }

    .index_main1_con {
        margin-top: 25px;
    }

    .index_main1_con .hd ul li {
        height: 90px;
        position: relative;
    }

    .index_main1_con .hd ul li p {
        font-size: 14px;
        line-height: 22px;
        height: auto;
        position: absolute;
        top: 50%;
        width: 100%;
        box-sizing: border-box;
        padding: 0 10px;
        left: 50%;
        transform: translate(-50%, -50%);
    }

    .index_main1_con .hd ul li::before {
        height: 80%;
        top: 10%;
    }

    .index_main1_con .bd {
        background: url(../images/index_bg1.jpg) center center;
        padding: 25px 0;
    }

    .index_main1_con .bd > div {
        width: 96%;
        overflow: hidden;
        height: 320px;
    }

    .index_main1_con .bd > div img {
        left: 50%;
        top: 0;
        transform: translateX(-50%);
        height: 100%;
        width: auto;
        min-width: 100%;
    }

    .index_main1_con .bd > div div {
        width: 100%;
        height: 100%;
        padding: 22px;
    }

    .index_main1_con .bd > div div p {
        margin-top: 25px;
        -webkit-line-clamp: 6;
        max-height: 156px;
    }

    .index_main1_con .bd > div div a {
        margin: 25px auto 0;
        width: 100%;
    }

    .index_main2_con li {
        margin-top: 25px;
    }

    .index_main2_con li .img1 {
        width: 100%;
        height: 260px;
    }

    .index_main2_con li .con {
        width: 100%;
        margin-top: 20px;
    }

    .index_main2_con li .con h2 {
        font-size: 22px;
        line-height: 22px;
    }

    .index_main2_con li .con h2::before {
        height: 22px;
        margin-right: 4px;
    }

    .index_main2_con li .con a {
        margin: 16px 0;
    }

    .index_main3 ul {
        flex-wrap: wrap;
    }

    .index_main3 ul li {
        border-right: 0;
        padding: 0 30px;
    }

    .index_main4_con {
        margin-top: 25px;
    }

    .index_main4_con .swiper-slide .img2 {
        height: 140px;
    }

    .index_main4_con .swiper-slide .con h2 {
        height: 66px;
        -webkit-line-clamp: 3;
    }

    .index_main4_con .swiper-slide .con p {
        display: none;
    }

    .index_main4_con .swiper-slide .con h4 {
        margin-top: 10px;
    }

    .more_btn {
        margin: 25px auto 0;
    }

    footer {
        padding-top: 20px;
    }

    .foot_main1 {
        display: none;
    }

    .foot_main2 {
        width: 100%;
        margin-left: 0;
        text-align: center;
    }

    .foot_main3 {
        width: 100%;
        margin: 20px auto;
        text-align: center;
    }

    .foot_main3 img {
        margin: 0 auto;
    }

    .foot_main4 {
        height: auto;
        line-height: 26px;
        padding: 8px 0;
    }

    .foot_main4 p a {
        float: none;
        display: block;
    }

    .top_img {
        height: 180px;
    }

    .top_img img {
        width: auto;
        height: 100%;
        position: absolute;
        top: 0;
        z-index: 8;
        /*right: 0;*/
        left: 36%;
        transform: translateX(-50%);
    }

    .top_img h2 {
        top: 50%;
        left: 50%;
        margin-left: 0;
        margin-top: 25px;
        font-size: 24px;
        line-height: 40px;
        white-space: nowrap;
        transform: translate(-50%, -50%);
    }

    .top_img h2 span {
        font-size: 40px;
        line-height: 40px;
        margin: 0 10px;
    }

    .top_img h2::after {
        display: none;
    }

    .top_nav {
        overflow-x: auto;
        white-space: nowrap;
    }

    .top_nav ul {
        font-size: 0;
    }

    .top_nav ul li {
        display: inline-block;
        margin-right: 15px;
        float: none;
    }

    .top_nav ul li a {
        line-height: 40px;
        width: auto;
        padding: 0 5px;
    }

    .title {
        font-size: 24px;
    }

    .article {
        margin-top: 20px;
    }

    .about_main1 {
        height: auto;
        padding-top: 25px;
        margin-top: 25px;
    }

    .about_main1_con {
        margin-top: 25px;
    }

    .about_swiper .swiper-slide div {
        max-width: 100%;
    }

    .about_next, .about_prev {
        display: none;
    }

    .about_main2 {
        margin-top: 25px;
        flex-direction: column;
    }

    .about_main2 li {
        border-bottom: 1px solid #CDCDCD;
        border-right: 0 solid transparent;
    }

    .pagination {
        margin-top: 10px;
    }

    .pagination li {
        height: 30px;
        line-height: 30px;
        min-width: 30px;
        margin: 0 5px;
        padding: 0 5px;
        font-size: 16px;
    }

    .product_list {
        margin-top: 20px;
    }

    .product_list li {
        padding: 10px 0;
    }

    .product_list li .img2 {
        width: 50%;
        height: 160px;
    }

    .product_list li .con {
        margin-right: 0;
        width: 48%;
    }

    .product_list li .con h2 {
        margin-top: 15px;
        -webkit-line-clamp: 2;
        font-size: 20px;
        line-height: 28px;
        height: 56px;
    }

    .product_list li .con p {
        display: none;
    }

    .product_list li .con .xq_btn {
        margin-top: 25px;
        width: 100%;
        height: 36px;
        line-height: 36px;
    }

    .product_main1 {
        margin-top: 25px;
    }

    .product_main1 li,
    .product_main1 li:last-child {
        width: 20%;
        /*padding-right: 0;*/
        padding-bottom: 50px;
        text-align: center;
        background: transparent;
        padding-right: 20%;
        position: relative;
    }

    .product_main1 li:nth-child(1)::before,
    .product_main1 li:nth-child(2)::before {
        content: url("../images/icon_jiao2.png");
        width: 15px;
        height: 28px;
        display: block;
        position: absolute;
        top: 30px;
        right: 25%;
        transform: translateY(-50%) rotateZ(-90deg);
    }

    .product_main1 li:nth-child(3),
    .product_main1 li:nth-child(4) {
        padding-right: 0;
    }

    .product_main1 li:nth-child(n+4) {
        float: right;
        padding-bottom: 0;
    }

    .product_main1 li:nth-child(1)::before,
    .product_main1 li:nth-child(2)::before {
        content: url("../images/icon_jiao2.png");
        width: 15px;
        height: 28px;
        display: block;
        position: absolute;
        top: 25px;
        left: 75%;
        transform: translateX(-50%) rotateZ(-90deg);
    }

    .product_main1 li:nth-child(3)::before {
        content: url("../images/icon_jiao2.png");
        width: 15px;
        height: 28px;
        display: block;
        position: absolute;
        bottom: 10px;
        left: 50%;
        transform: translateX(-50%);
    }

    .product_main1 li:nth-child(5)::before,
    .product_main1 li:nth-child(6)::before {
        content: url("../images/icon_jiao2.png");
        width: 15px;
        height: 28px;
        display: block;
        position: absolute;
        top: 25px;
        left: 75%;
        transform: translateX(-50%) rotateZ(90deg);
    }

    .product_main1 li img {
        width: 65px;
        height: 65px;
        margin: 0 auto;
    }

    .product_main1 li p {
        margin-top: 10px;
        font-size: 14px;
    }

    .product_main2 {
        margin-top: 25px;
    }

    .product_main3 .img1 {
        width: 100%;
        height: 240px;
    }

    .product_main3 .con {
        width: 100%;
        margin-right: 0;
    }

    .product_main3 .con h2 {
        margin-top: 20px;
    }

    .product_main3 .con p {
        margin-top: 10px;
    }

    .product_main3 .con .xq_btn {
        width: 100%;
        margin-top: 20px;
    }

    .product_main4 {
        margin-top: 25px;

    }

    .news_list {
    }

    .news_list li {
        padding: 8px 0;
    }

    .news_list li .img2 {
        width: 35%;
        height: 100px;
    }

    .news_list li .date,
    .news_list li .jiao {
        display: none;
    }

    .news_list li .con {
        width: 62%;
        margin-left: 3%;
    }

    .news_list li .con h2 {
        margin-top: 10px;
        font-size: 16px;
        line-height: 22px;
    }

    .news_list li .con p {
        margin-top: 12px;
    }

    .article_main {
        border: 1px solid transparent;
        margin: 25px auto;
        padding: 0;
    }

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

    .article_top {
        margin: 20px 0;
    }

    .article_top p {
        line-height: 22px;
    }

    .fx_main {
        margin-top: 25px;
    }

    .fx_main .left {
        width: 100%;
    }

    .fx_main .right {
        width: 100%;
        margin-top: 10px;
    }

    .bshare-more {
        display: none !important;
    }

    .join_list {
        margin-top: 25px;
    }

    .join_list li {
        margin-bottom: 10px;
    }

    .join_list li .join_list_top {
        line-height: 36px;
        height: 36px;
    }

    .join_list li .join_list_top p:nth-child(1) {
        width: 50%;
    }

    .join_list li .join_list_top p:nth-child(2), .join_list li .join_list_top p:nth-child(3) {
        width: 20%;
    }

    .join_list li .join_list_top p:nth-child(4) {
        margin-right: 0;
        margin-top: 8px;
    }

    .join_list li .join_list_con {
        padding: 10px 0 0;
    }

    .join_p {
        margin-top: 15px;
        line-height: 30px;
    }

    .contact_main {
        margin-top: 10px;
    }

    .contact_main li {
        float: left;
        width: 49%;
        height: auto;
        margin-right: 2%;
        margin-top: 2%;
        padding: 15px;
    }

    .contact_main li div {
        margin: 0 auto 15px;
    }

    .contact_main li:nth-child(2n) {
        margin-right: 0;
    }

    .contact_main li p {
        word-break: break-all;
    }

    .address {
        margin-top: 20px;
        height: 220px;
    }
}

@media only screen and (max-width: 540px) {

}

@media only screen and (max-width: 370px) {

}

@media only screen and (max-width: 350px) {
    .index_main3 ul li {
        padding: 0 20px;
    }
}