@media screen and (max-width: 1900px) {
    .common_head {
        padding: 0 40px;
    }
    .common_head .logo img {
        height: 40px;
    }
    .common_head .nav>.item {
        height: 70px;
        line-height: 70px;
    }
    .common_head .nav>.item>a{
        height: 70px;
        line-height: 70px;
        padding: 0 15px;
    }
    .common_head .nav>.item a {
        height: 70px;
        line-height: 70px;
    }
    .common_head .nav>.item .child {
        top: 70px;
    }
    .common_head .nav {
        padding: 0 40px;
    }
    .banner_swiper .swiper-slide .txt div {
        width: 80%;
    }
    .banner_swiper .pagination>div {
        width: 80%;
    }
    .common_banner,
    .banner_swiper {
        margin-top: 70px;
    }
    .about_content .item1 .info .slogan {
        font-size: 30px;
    }
    .project_details2 .list .item {
        width: 32%;
    }
    
}

@media screen and (max-width: 1650px) {
    .common_footer .center .info .item2 p {
        font-size: 14px;
    }
    .about_content .item1 .info .slogan {
        font-size: 24px;
    }
    .common_head {
        padding: 0 30px;
    }
    .common_head .nav>.item {
        height: 60px;
        line-height: 60px;
    }
    
    .common_banner,
    .banner_swiper {
        margin-top: 60px;
    }
    .common_head .nav>.item> a {
        height: 60px;
        line-height: 60px;
        padding: 0 15px;
    }
    .common_head .nav>.item a {
        height: 60px;
        line-height: 60px;
    }
    
    .common_head .nav>.item .child {
        top: 60px;
    }
    .common_head .nav {
        padding: 0 20px;
    }
    .common_head .search {
        width: 160px;
    }
    .common_title {
        padding: 45px 0;
    }
    .common_title .e {
        font-size: 38PX;
    }
    .common_title .c {
        font-size: 26PX;
    }
    .w_100 {
        width: 1400px;
    }
    .common_footer .top .txt {
        font-size: 26px;
    }
    .common_footer .top .nav a {
        margin-left: 30px;
    }
    .main_about .content .default .list {
        padding-top: 80px;
    }
    .main_about .content .default .list .item {
        width: 23%;
    }
    .about_content .item1 .data,
    .about_content .item2 .pic,
    .about_content .item3 .pic,
    .about_content .item4 .pic {
        width: 400px;
        margin-right: 50px;
    }
    
}

@media screen and (max-width: 1450px) {
    .common_head {
        padding: 0 20px;
    }
    .common_head .nav>.item> a{
        height: 60px;
        line-height: 60px;
        padding: 0 10px;
    }
    .common_head .nav>.item a {
        height: 60px;
        line-height: 60px;
    }
    .common_head .nav>.item .child {
        top: 60px;
    }
    
    .common_head .nav {
        padding: 0 20px;
    }
    .common_head .search {
        width: 150px;
    }
    .banner_swiper .swiper-slide .txt div .p1 {
        font-size: 48px;
        line-height: 50px;
        margin-bottom: 20px;
    }
    .banner_swiper .swiper-slide .txt div .p3 i {
        margin-bottom: 20px;
        width: 60px;
        height: 4px;
    }
    .banner_swiper .swiper-slide .txt div .p4 {
        font-size: 24px;
        line-height: 20px;
    }
    .common_title .e {
        font-size: 32PX;
    }
    .common_title .c {
        font-size: 20PX;
    }
    .w_100 {
        width: 1200px;
    }
    
    .main_pro .swiper-slide {
        width: 75%;
    }
    .main_pro .pagination {
        width: 75%;
        left: 12%;
    }
    .common_footer .top .txt {
        font-size: 20px;
    }
    .common_footer .center {
        padding-bottom: 70px;
    }
    
}

@media screen and (max-width: 1350px) {
    .common_head {
        padding: 0 20px;
    }
    .common_head .nav>.item {
        height: 50px;
        line-height: 50px;
    }
    
    .common_banner,
    .banner_swiper {
        margin-top: 50px;
    }
    .common_head .nav>.item {
        height: 50px;
        line-height: 50px;
    }
    .common_head .nav>.item> a{
        height: 50px;
        line-height: 50px;
        padding: 0 10px;
    }
    .common_head .nav>.item a {
        height: 50px;
        line-height: 50px;
        font-size: 14px;
    }
    .common_head .nav>.item .child {
        top: 50px;
    }
    
    .common_head .nav {
        padding: 0 20px;
    }
    .common_head .search {
        width: 150px;
    }
    .common_head .search input {
        font-size: 12px;
        height: 28px;
    }
    .common_head .search button {
        width: 30px;
        height: 28px;
        background-size: 15px;
    }
}

@media screen and (max-width: 1200px) {
    body {
        max-width: 720px;
        margin: 0 auto;
    }
    .common_head {
        display: none;
    }
        
    .common_banner {
        margin-top: 45px;
        position: relative;
    }
    .common_banner .txt .p1 {
        font-size: 20px;
        margin-bottom: 10px;
    }
    .common_banner .txt .p2 {
        margin-bottom: 10px;
    }
    .common_banner .txt .p2 i {
        height: 3px;
        width: 50px;
    }
    .common_banner .txt .p3 {
        font-size: 18px;
    }
    .w_100,
    .web_100 {
        width: 96%;
        margin: 0 auto;
    }
    
    .common_web_head {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        margin: 0 auto;
        z-index: 99;
        background: #f1f1f1;
        width: 100%;
        max-width: 720px;
        padding: 10px ;
    }
    .common_web_head .logo img{
        height: 25px;
    }
    .common_web_head .menu img {
        height: 25px;
    }
    .web_nav {
        display: block;
        position: fixed;
        z-index: 99;
        width: 100%;
        height: 100%;
        right: -100%;
        margin: 0 auto;
        top: 0;
        padding: 20px;
        background-color: #fff;
        transition: 0.3s;
    }
    .web_nav.active {
        right: 0;
    }
    .web_nav .close img,
    .web_nav .logo img {
        height: 25px;
    }
    .web_nav> .flex {
        flex-wrap: wrap;
    }
    .web_nav> .flex>.item {
        width: 100%;
        line-height: 40px;
        border-bottom: 2px solid #f1f1f1;
    }
    .web_nav> .flex>.item p {
        position: relative;
    }
    .web_nav> .flex>.item a ,
    .web_nav> .flex>.item p a {
        display: block;
        width: 100%;
        height: 40px;
        line-height: 40px;
    }
    .web_nav> .flex>.item p i {
        font-size: 16px;
        height: 40px;
        line-height: 40px;
        width: 50px;
        text-align: right;
        padding: 0 20px;
        position: absolute;
        right: 0;
        z-index: 1;
        top: 0;
    }
    .web_nav> .flex .item .child {
        padding-left: 20px ;
        display: none;
    }


    .banner_swiper {
        margin-top: 45px;
    }
    .banner_swiper .swiper-slide .txt div .p1 {
        font-size: 16px;
        line-height: 18px;
        margin-bottom: 5px;
    }
    .banner_swiper .swiper-slide .txt div .p2 {
        margin-bottom: 10px;
        display: none;
    }
    .banner_swiper .swiper-slide .txt div .p3 i {
        margin-bottom: 10px;
        width: 40px;
        height: 3px;
    } 
    .banner_swiper .swiper-slide .txt div .p4 {
        font-size: 14px;
    }
    .banner_swiper .pagination>div .button {
        display: none;
    }
    .banner_swiper .swiper-pagination-clickable .swiper-pagination-bullet {
        height: 5px;
        width: 5px;
    }
    .banner_swiper .swiper-pagination-clickable .swiper-pagination-bullet-active {
        width: 20px;
    }
    .banner_swiper .scroll {
        display: none;
    }
    .common_title {
        padding: 15px 0;
    }
    .common_title .e {
        font-size: 28px;
        margin-bottom: 10px;
        line-height: 30px;
    }
    .common_title .c {
        font-size: 14px;
        margin-top: 0;
        line-height: 18px;
    }
    .common_title .operation a {
        width: 50px;
        height: 25px;
        display: inline-block;
        font-size: 25px;
        line-height: 23px;
    }
    .main_pro .pagination {
        top: 28%;
    }
.main_news .content .left .pic img{width:100%;height:100%;}
    .main_pro .pagination .swiper-button-prev,
    .main_pro .pagination .swiper-button-next {
        width: 30px;
        height: 30px;
        background-size: cover;
    }
    .main_pro .swiper-slide {
        width: 90%;
    }
    .main_pro .swiper-slide .info {
        bottom: 10px;
        left: 10px;
        padding: 15px 10px;
        width: 80%;
        height: 80%;
    }
    .main_pro .swiper-slide .info .name {
        font-size: 18px;
        line-height: 20px;
        margin-bottom: 10px;
    }
    .main_pro .swiper-slide .info .default {
        font-size: 12px;
        line-height: 20px;
        margin-bottom: 10px;
    }
    .main_pro .swiper-slide .icon a {
        width: 20px;
        height: 20px;
        background: url(../images/right_icon2.png) no-repeat center;
        background-size: 100%;
    }
    .main_about .content {
        flex-wrap: wrap;
    }
    .main_about .content .date {
        width: 100%;
        font-size: 24px;
        line-height: 30px;
    }
    .main_about .content .default {
        width: 100%;
    }
    
    .main_about .content .default .list {
        padding-top: 30px;
        flex-wrap: wrap;
    }
    .main_about .content .default .list .item{
        width: 48%;
        margin-bottom: 20px;
        height: 180px;
        padding: 15px;
    }
    .main_about .content .default .list .item .p1 {
        font-size: 18px;
        margin-bottom: 0;
    }
    .main_about .content .default .list .item .p3 {
        height: 50px;
        margin-top: 50px;
    }
    .main_about .content .default .list .item .p3 img {
        height: 100%;
    }
    .main_about .video {
        margin-top: 0;
        height: 230px;
    }
    .main_about .video video {
        height: 230px;
    }

    .main_project .swiper-container {
        padding-bottom: 50px;
    }
    .main_project .swiper-slide .name {
        font-size: 16px;
    }
    .main_project .swiper-container-horizontal>.swiper-pagination-bullets {
        bottom: 15px;
    }
    .main_project .swiper-pagination-bullet {
        width: 8px;
        height: 8px;
    } 
    .main_news {
        padding-bottom: 20px;
    }
    .main_news .content {
        flex-wrap: wrap;
    }
    .main_news .content .right,
    .main_news .content .left {
        width: 100%;
    }
    .main_news .content .left {
        margin-bottom: 20px;
    }
    .main_news .content .left .info {
        margin-top: 20px;
        flex-wrap: wrap;
        flex-direction: column-reverse;
        text-align: left;
    }
    .main_news .content .left .info .date {
        width: 100%;
        font-size: 20px;
        text-align: left;
    }
    .main_news .content .left .info .txt {
        padding: 0;
        width: 100%;
    }
    .main_news .content .left .info .txt .name {
        font-size: 16px;
        margin-bottom: 0;
    }
    .main_news .content .right .item {
        height: auto;
        padding: 15px;
    }
    .main_news .content .right .item:first-child {
        margin-bottom: 20px;
    }
    .main_news .content .right .item .date {
        font-size: 18px;
        margin-bottom: 5px;
        line-height: 25px;
        height: auto;
    }
    .main_news .content .right .item .name {
        font-size: 18px;
        line-height: 20px;
        margin-bottom: 5px;
        padding-bottom: 5px;
    }
    .main_join {
        height: 250px;
    }
    .main_join .w_100 .p1 {
        font-size: 24px;
        margin-bottom: 10px;
    }
    .main_join .w_100 .p2 {
        margin-bottom: 10px;
    }
    .main_join .w_100 .p3 a {
        height: 30px;
        width: 120px;
        line-height: 30px;
        font-size: 14px;
    }
    .common_footer>.w_100 {
        display: none;
    }
    .common_footer .banquan .w_100 p,
    .common_footer .banquan .w_100 {
        flex-wrap: wrap;
        justify-content: flex-start;
    }
    .common_footer .banquan a {
        margin: 10px 0 10px 0;
    }
    .about_tab .w_100 {
        flex-wrap: wrap;
        flex-direction: column-reverse;
    }
    .about_tab .w_100 .item {
        line-height: 40px;
        width: auto;
        padding: 0 15px;
        font-size: 14px;
        word-break: keep-all;
    }
    .about_tab .w_100 .list {
        width: 100%;
        overflow-x: auto;
        justify-content: flex-start;
    }
    .about_tab .common_crumbs1 {
        line-height: 40px;
        text-align: left;
        width: 100%;
    }
    .about_tab .w_100 .item.active {
        border-bottom: 2px solid #004190;
    }

    .about_content {
        padding-bottom: 30px;
    }
    .about_content .item .content {
        flex-wrap: wrap;
    }

    .about_content .item1 .data,
    .about_content .item2 .pic,
    .about_content .item3 .pic,
    .about_content .item4 .pic {
        width: 100%;
        margin-right: 0;
    }

    .about_content .item1 .info,
    .about_content .item2 .info,
    .about_content .item3 .info,
    .about_content .item4 .info {
        width: 100%;
    }

    .about_content .item1 .data .date {
        font-size: 24px;
        width: 100%;
        margin-bottom: 10px;
    }
    .about_content .item1 .data .item {
        width: 47%;
        padding: 10px;
    }
    .about_content .item1 .data {
        flex-wrap: wrap;
        display: flex;
        margin-bottom: 20px;
        justify-content: space-between;
    }
    .about_content .item1 .data .item .num {
        margin-bottom: 5px;
    }
    .about_content .item1 .data .item .num span {
        font-size: 20px;
        line-height: 20px;
    }
    .about_content .item1 .data .item .num i {
        font-size: 12px;
    }
    .about_content .item1 .data .item .txt {
        font-size: 12px;
    }
    .about_content .item1 .info .pic {
        margin: 2px auto;
    }
    .about_content .item1 .info .slogan {
        font-size: 14px;
        justify-content: flex-end;
        flex-wrap: wrap;
        margin-top: 10px;
    }

    .about_content .item1 .info .slogan b {
        display: inline-block;
    }

    .about_content .item1 .info .item {
        line-height: 30px;
    }

    .about_content .item2 .pic img,
    .about_content .item3 .pic img,
    .about_content .item4 .pic img{
        /* width: 50%; */
    }

    .about_content .item1 .info,
    .about_content .item2 .info,
    .about_content .item3 .info,
    .about_content .item4 .info {
        margin-top: 20px;
    }
    .about_content .item2 .box .name {
        margin-bottom: 0px;
        font-size: 20px;
    }
    .about_content .item2 .box {
        margin-bottom: 10px;
        padding-bottom: 10px;
    }
    /*-------*/
    .contact_box2 .name,
    .contact_box .name,
    .strenght_box .box .name,
    .about_content .item .title {
        margin-bottom: 20px;
        font-size: 18px;
        padding: 20px 0 10px;
    }
    .about_content .item3 .list {
        height: auto;
    }
    .about_content .item3 .list .button {
        display: none;
    }
    .about_content .item3 .item {
        padding-left: 30px;
        margin-bottom: 40px;
    }
    .about_content .item3 .item .date {
        width: 60px;
        font-size: 16px;
        margin-right: 20px;
    }
    .about_content .item3 .item .txt {
        width: calc(100% - 80px);
    }
    .about_content .item3 .item::before {
        left: 10px;
    }
    .about_content .item3 .list::before {
        left: 15px;
    }
    .about_content .item4 .info .slogan {
        font-size: 20px;
    }

    .products_box1 {
        margin-top: 30px;
        width: 100%;
    }
    
    .products_box1 .w_100 {
        flex-wrap: wrap;
    }
    .products_box1 .nav {
        width: 100%;
        margin-right: 0;
        margin-bottom: 10px;
    }
    .products_box1 .details {
        width: 100%;
    }

    .products_box1 .nav .title {
        height: 40px;
        line-height: 40px;
        font-size: 18px;
        padding: 0 20px;
    }
    .products_box1 .nav .list {
        padding: 0 20px;

    }

    .products_box1 .nav .list .item a {
        height: 40px;
        line-height: 40px;
    }

    .products_box1 .details .list .item {
        padding: 15px 10px;
        margin-bottom: 20px;
        flex-wrap: wrap;
    }
    .products_box1 .details .list .item .info {
        width: 100%;
        padding: 15px 10px;
    }
    .products_box1 .details .list .item .info .name {
        font-size: 18px;
        margin-bottom: 10px;
        line-height: 20px;
        height: 20px;
    }
    .products_box1 .details .list .item .info .tips {
        margin-bottom: 10px;
    }
    .products_box1 .details .list .item .info .more a {
        width: 110px;
        height: 36px;
        line-height: 34px;
        font-size: 14px;
    }
    .common_page {
        padding: 30px 0;
    }
    .common_page a {
        border: 1px solid #eeeeee;
        border-radius: 40px;
        height: 20px;
        width: 20px;
        min-width: 20px;
        line-height: 18px;
        font-size: 12px;
        transition: 0.3s;
        margin: 0 2px;
    }
    .project_box .details .list {
        flex-wrap: wrap;
    }
    .project_box .details .list .item {
        width: 48%;
    }
        .project_box .details .list .item a {
        width: 100%;
    }
    .products_box1 .details .list .item .pic {
        height: auto;
    }
    .project_box .details .list .item .title {
        font-size: 14px;
        margin: 10px auto 0;
    }

    .news_box {
        margin-top: 0px;
    }
    .news_box .item {
        flex-wrap: wrap;
        padding: 20px 0;
    }
    .news_box .item .pic {
        width: 100%;
        margin-right: 0;
        height: auto;
    }
    .news_box .item .web_date {
        display: block;
        font-size: 14px;
        margin-bottom: 5px;
    }
    .news_box .item .date {
        display: none;
    }
    .news_box .item .info .tips {
        margin-bottom: 15px;
    }
    .news_box .item .info .title {
        font-size: 18px;
        margin-bottom: 5px;
    }
    .news_box .item .info {
        width: 100%;
        padding: 15px;
    }
    .news_box .item .info .more a {
        width: 110px;
        height: 36px;
        line-height: 34px;
        font-size: 14px;
    }
    .common_banner {
        width: 100%;
        overflow: hidden;
    }
    .common_banner img{
        width: 100%;
    }

    .news_details .w_100 {
        padding-top: 20px;
        flex-wrap: wrap;
    }
    .news_details .info {
        width: 100%;
    }
    .news_details .info .name {
        font-size: 22px;

    }
    .news_details .info .other {
        flex-wrap: wrap;
        font-size: 12px;
        padding-bottom: 15px;
        margin-bottom: 20px;
    }
    .news_details .info .other span {
        width: auto;
        line-height: 25px;
    }
    .news_details .info .zw .txt {
        font-size: 14px;
        line-height: 20px;
        margin-bottom: 15px;
    }
    .news_details .info .zw .pic {
        margin-bottom: 15px;
    }
    .project_details2  .operation ,
    .news_details .info .operation {
        margin-top: 20px;
        height: auto;
        padding: 10px;
        flex-wrap: wrap;
        margin-bottom: 20px;
    }
    .project_details2  .operation  a,
    .news_details .info .operation  a{
        width: 100%;
        padding: 0;
        line-height: 30px;
    }
    .news_details .list {
        width: 100%;
        margin-left: 0;
        margin-bottom: 20px;
        padding: 15px;
    }
    .news_details .list .name {
        font-size: 18px;
        padding-bottom: 10px;

    }
    .strenght_box .box .list .item {
        width: 48%;
        margin-bottom: 20px;
        padding: 10px;
    }
    .strenght_box .box .list .item .name {
        font-size: 14px;
        margin-top: 10px;
    }

    .contact_box .info {
        flex-wrap: wrap;
    }
    .contact_box .info .item {
        width: 100%;
        margin-bottom: 20px;
    }
    .contact_box .info .item .txt {
        padding: 15px;
    }
    .contact_box .info .item .txt .title {
        font-size: 18px;
        margin-bottom: 10px;
    }
    .contact_box .info .item .txt .details {
        line-height: 25px;
        font-size: 14px;
    }
    .contact_box2 {
        margin-top: 20px;
    }
    .contact_box2 .table .tr {
        padding: 0 5px;
    }
    .contact_box2 .table .tr_top span {
        font-size: 12px;
    }
    .contact_box2 .table .item .tr span {
        font-size: 12px;
        padding: 5px  0;
        line-height: 15px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .contact_box2 .table .details {
        padding: 15px 10px;
        font-size: 14px;
    }
    .contact_box2 .table .details p {
        line-height: 25px;
    }
    .contact_box .l_name {
        font-size: 12px;
        letter-spacing: 1px;
        margin-bottom: 20px;
    }
    .contact_box .info1 {
        flex-wrap: wrap;
        margin-bottom: 20px;
    }
    .contact_box .info1 .txt {
        width: 100%;
        flex-wrap: wrap;
    }
    .contact_box .info1 .map {
        width: 100%;
        margin-top: 20px;
    }

    .contact_box .info1 .details {
        width: 100%;
    }
    .contact_box .info1 .ewm {
        width: 100%;
        flex: none;
    }
    .contact_form {
        padding: 0px;
        box-shadow: 0 0 0px #fff;
    }
    .contact_form .w_100{
        padding: 0px;
        border-radius: 5px;
        padding: 20px;
        box-shadow: 0 0 5px #e9e9e9;
    }
    .contact_form .name {
        font-size: 18px;
        margin-bottom: 5px;
    }
    .contact_form .tips {
        margin-bottom: 20px;
    }
    .contact_form .list form{
        flex-wrap: wrap;
    }
    .contact_form .list .item {
        width: 100%;
        margin-bottom: 20px;
    }
    .project_details1 {
        margin-top: 20px;
    }
    .project_details1 .w_100 {
        flex-wrap: wrap;
    }
    .project_details1 .w_100 .pic {
        width: 100%;
    } 
    .project_details1 .mySwiper2 {
        width: 100%;
        height: auto;
    }
    .project_details1 .swiper_botoom .operation {
        width: 100%;
    }
    .project_details1 .swiper-button-next{
        right: 0;
    }
    .project_details1 .swiper-button-prev {
        left: 0;
    }
    .project_details1 .swiper-button-next:after, 
    .project_details1 .swiper-button-prev:after {
        font-size: 17px;
    }
    .project_details1 .mySwiper {
        height: 80px;
        margin: 0 20px;    
        width: auto
    }
    .project_details1 .txt {
        width: 100%;
        flex: none;
        margin-left: 0;
    }
    .project_details1 .txt .name {
        padding: 5px 0;
        margin-top: 20px;
        font-size: 20px;
    }
    .project_details1 .txt .details {
        line-height: 28px;
    }
    .project_details1 .txt .tel span a,
    .project_details1 .txt .tel span {
        font-size: 20px;
    }
    .project_details1 .txt .button button {
        width: 110px;
        height: 36px;
    }
    .project_details2 {
        margin-top: 30px;
    }
    .project_details2 .tab {
        margin-bottom: 30px;
    }
    .project_details2 .tab span {
        width: 100px;
        height: 35px;
        line-height: 35px;
        font-size: 14px;
		margin-left:16px;
    }
    .img_dialog .operation {
        display: none;
    }
    .main_pro .swiper-slide {
        border: 1px solid #f1f1f1;
        border-radius: 5px;
        width: 96%;
        height: auto;
        position: inherit;
        flex-wrap: wrap;
    }
    .main_pro .swiper-slide .info{
        position: initial;
        left: 0;
        top: 0;
        width: 100%;
        height: auto;
        padding: 20px;
    }
    .main_about .content .default .list .item:hover {
        transform: translateY(-10px);
    }

    .web_banner_swiper ,
    .common_banner .web_pic {
        display: block;
    }

    .pc_banner_swiper,
    .common_banner .pc_pic {
        display: none;
    }
    .common_crumbs {
        height: 50px;
    }
    .contact_box .info1 {
        padding: 20px;
    }
    .contact_box .info1 .details .title {
        font-size: 22px;
        margin-bottom: 20px;
    }
    
    .project_details2 .list .item { 
        width: 49%;
    }
	.zw p img {
   width: 100% !important;
height:auto !important;
margin-bottom: 20px;

}
}