@media (min-width: 1440px) {
    html {
        font-size: 62.5%!important;
        overflow-x: hidden;
    }
    .header_index {
        /* background: transparent; */
        border-bottom: none;
    }
}
@media (max-width: 1440px){
    html {
        font-size: 52.5%!important;
    }
    /*.core {*/
    /*    width: 90%;*/
    /*}*/
    .header_index {
        /* background: transparent; */
        border-bottom: none;
    }
    .banner_url {
        height: 600px;
    }
    .check_wrap{
        padding-top: 50px;
        padding-bottom: 50px;
        width: 100%;
    }
    .contact .core{
        width: 80%;
    }
    .product_list_container .main{
        width: 90%;
    }
    .history .content .text{
        width: 50%;
    }
    .history .content{
        width: 100%;
    }
    .history .content2, .history .content3{
        /* width: 80%; */
    }
    .brand-core{
        width: 90%;
    }
    .search-box .input-box{
        width: 400px;
    }
    .source .content4, .power .content3, .power .content4{
        padding-left: 0;
        padding-right: 0;
    }
    .power .content2 .text img{
        width: 37%;
    }
    .product-list-banner {
        height: 700px;
    }
}

@media (max-width: 1280px){
    html {
        font-size: 52.5%!important;
    }
    .core {
        width: 90%;
    }
    .contact {
        padding-top: 40px;
        padding-bottom: 40px;
    }
    .contact .core{
        width: 80%;
    }
    .banner_url {
        height: 500px;
    }
    .product_img_list .img_item {
        width: 70px;
        height: 70px;
    }
    .explore_item .ex_img {
        width: 200px;
    }
    .product_item .item_goods_img img {
        width: 270px;
        height: auto;
    }
    .header_index {
        /* background: transparent; */
        border-bottom: none;
    }
    .history .content2, .history .content3{
        /* width: 85%; */
    }
    .history .content .text{
        width: 45%;
    }
    .history .content2 .list .item, .history .content3 .list .item .img{
        width: 150px;
    }
    .course_title{
        font-size: 40px;
    }
    .source .text-img{
        width: 55%;
    }
    .course_container .content .text{
        padding-left: 0px;
        width: 35%;
    }
    .power .content .text{
        padding-left: 0;
    }
    .source .content2 .left, .power .content2 .left{
        
    }
    .source .content2 .right {
       
    }
    .source .content3{
        padding: 40px 0;
    }
    .source .content3 .item .title {
        font-size: 50px;
    }
    .news{
        padding-top: 50px;
        padding-bottom: 50px;
    }
    .check_wrap .title{
        font-size: 25px;
    }
    .footer_container .main{
        width: 90% !important;
    }
    .source .content .text2{
        width: 50%;
    }
    .source .content2{
        
    }
    .power .content2 .text img{
        width: 32%;
    }
    
}

@media (max-width: 1200px) {
    html {
        font-size: 52.5%!important;
    }
    .pc_menu .pc_menu_ul .pc_menu_item {
        padding: 0 1rem;
        margin-right: 30px;
    }
    .core {
        width: 90%;
    }
    .single_bg {
      /*   height: 350px; */
    }
    .main{
        width: 90%;
    }
    .header_container .header_content{
        width: 90%;
    }

    .contact_item {
        width: 50%;
        margin-bottom: 20px;
    }

    .platform_item {
        width: 33.33%;
    }
    .platform_item:nth-child(4n) {
        border-left: 0;
    }

    .header_index {
        /* background: transparent; */
        border-bottom: none;
    }
    .partner_item .img{
        width: 100px;
       /*  height: 100px; */
    }
    .news .news_list_title{
        padding: 0 40px;
    }
    .news .list .item{
        padding-left: 40px;
        padding-right: 40px;
    }
    .check_title, .check_sub_title {
        font-size: 30px;
    }
    .contact_container .like_us .title-container {
        width: 80%;
    }
    .source .content3{
        flex-wrap: wrap;
    }
    .exhibition-container .content{
        background-size: 150%;
    }
    .exhibition-container .single_lists {
        width: 100%;
    }
    .star-swiper-container{
        background-position-y: -120px;
    }
    .product-list-banner {
        height: 500px;
    }
}

@media (max-width: 992px) {
    html {
        font-size: 42.5%!important;
    }
    .core {
        width: 90%;
    }
    .logo_shen {
        display: block;
    }
    .logo_bai {
        display: none;
    }
    .header_index {
        /* background: #fff; */
        background: #000;
        /* border-bottom: 1px solid #F7F7F7; */
    }

    .index-banner {
        height: auto;
        margin-top: 60px;
    }
    .header_content .pc_menu {
        display: none;
    }
    .mobile_menu {
        display: block;
    }
    .header_container .header_content {
        height: 60px;
    }
    .pc_menu .pc_menu_ul .pc_menu_item .pc_menu_link {
        line-height: 60px;
    }
    .index-banner {
        /* padding-top: 60px; */
    }
    .header_content .logo {
        width: 250px;
    }
    .mobile_menu {
        width: 40px;
        height: 40px;
    }
    .move-close {
        width: 40px;
        height: 40px;
    }

    .tip_slide {
        display: none;
    }

    .single_item .goods_img {
        padding: 0;
    }
    .single_item .goods_img img {
        width: 45px;
    }
    .single_bg {
      /*   height: 300px; */
    }
    .single_content {
        padding: 60px 0;
    }
    .count_container {
        padding: 80px 0;
    }
    .count_item .n {
        font-size: 50px;
    }
    .count_content .add {
        font-size: 30px;
    }
    .footer_l .footer_logo {
        width: 250px;
    }
    .platform ul li {
        width: 26px;
        height: 26px;
    }
    .footer_l {
        height: 120px;
    }
    .footer_r {
        height: 120px;
    }
    .common-banner {
        padding-top: 60px;
    }
    .ban_content .des {
        font-size: 28px;
    }

    .product_info_wrap {
        display: block;
    }
    .product_info_wrap .info_left {
        width: 100%;
    }
    .product_info_wrap .info_right {
        width: 100%;
        margin-top: 30px;
    }
    .product_info_wrap {
        padding-top: 80px;
        padding-bottom: 40px;
    }

    .check_input {
        width: 400px;
    }
    .tip_item_left .t {
        font-size: 24px;
    }
    .tip_item_left p {
        font-size: 14px;
    }
    .course_left {
        width: 230px;
        height: auto;
    }
    .course_right .time {
        font-size: 22px;
    }
    .course_right .des {
        font-size: 14px;
    }
    .course_scroll_list {
        white-space: nowrap;
        overflow-x: scroll;
    }
    .course_left {
        min-width: 0;
    }
    .course_right {
        min-width: 0;
    }

    .explore_item .ex_img {
        width: 150px;
    }
    .news_container {
        margin-top: 90px;
    }

    .series_item .series_goods_img img {
        width: 300px;
    }
    .product_item {
        width: 48%;
        margin-right: 4%!important;
    }
    .product_item:nth-child(2n) {
        margin-right: 0!important;
    }

    .source .text-img{
        width: 80%;
    }

    .partner_item {
       /*  width: 80px; */
       /*  height: 80px; */
    }
    .partner_item img {
        width: 100%;
        height: 100%;
    }
    .history .content2 .list .item .img, .history .content3 .list .item .img{
        width: 100px;
    }
    .history .content2 .item .year, .history .content3 .item .year{
        font-size: 15px;
    }
    .exhibition-container .content{
        width: 100%;
        background-size: cover;
    }
    .text-inner{
        left: 20px;
        top: 20px;
        width: 50%;
    }
    .source .arr-container {
        width: 17px;
        float: right;
        margin-top: 5px;
    }
}
@media (max-width: 768px) {
    html {
        font-size: 45.5%!important;
    }

    .nav-header {
        width: 94%;
        margin: 0 auto;
        padding: 0;
    }

    .banner_url {
        height: 200px;
    }
    .swiper_change {
        bottom: 10px;
    }
    .swiper_change .change_prev {
        width: 26px;
        height: 26px;
        margin: 0 5px;
    }
    .swiper_change .change_next {
        width: 26px;
        height: 26px;
        margin: 0 5px;
    }
    .single_content .title, .core-container .title {
        font-size: 26px;
    }
    .single_content .foregin_title, .core-container .foregin_title {
        font-size: 22px;
    }
    .single_content .des {
        font-size: 16px;
    }
    .single_content {
        padding: 30px 0;
    }
    .single_bg {
        /* height: 240px; */
    }
    .to_brand .button {
        bottom: 20px;
    }
    .core-container {
        padding-bottom: 40px;
    }
    .researcn .text{
        padding-left: 20px;
        width: 48%;
    }
    .researcn .text .title{
        font-size: 16px;
        margin-top: 0;
        margin-bottom: 7px;
        padding-bottom: 5px;
    }
    .researcn .text .desc {
        margin-bottom: 10px;
        font-size: 14px;
        line-height: 1;
    }
    .researcn .text p{
        font-size: 10px;
    }

    .mobile_menu {
        width: 34px;
        height: 34px;
    }
    .move-close {
        width: 34px;
        height: 34px;
    }

    .count_logo img {
        width: 230px;
    }
    .count_content {
        margin-top: 40px;
    }
    .count_container {
        padding: 40px 0;
    }
    .footer_container {
        // height: auto;
        height: 550px;
        padding: 30px 0;
    }
    .footer {
        display: block;
    }
    .footer_l {
        height: 80px;
    }
    .footer_r {
        margin-top: 0px;
        // margin-top: 20px;
        height: 60px;
    }
    .footer-item{
        display: flex;
        align-items: baseline;
        margin-top: 10px;
        margin-top: 40px;
    }
    .footer .footer-item .title{
        margin-right: 15px;
    }
    .footer .footer-item .content{
        line-height: 1;
    }
    .platform ul li {
        margin-left: 0;
        margin-right: 20px;
    }
    .footer_r .icp {
        text-align: left;
        margin-top: 10px;
    }
    .ban_content .title {
        font-size: 15px;
    }
    .ban_content .des {
        font-size: 18px;
    }

    .series_main {
        padding: 10px 0 20px 0;
    }
    .product_item {
        width: 48%;
        margin-right: 4%!important;
    }
    .product_item:nth-child(2n) {
        margin-right: 0!important;
    }

    .product_item .item_goods_img img {
        height: auto;
    }
    .product_list {
        padding: 20px 0;
    }

    .product_info_wrap .info_left {
        display: block;
    }
    .product_big_img {
        width: 100%;
        height: 100%;
    }
    .product_img_list {
        flex-direction: row;
    }
    .product_img_list {
        margin-left: 0;
        height: auto;
        padding: 20px 0;
    }
    .product_img_list .img_item {
        width: 60px;
        height: 60px;
    }
    .img_list_prev span {
        width: 15px;
        height: 15px;
        transform: translateY(20px) rotate(225deg);
    }
    .img_list_next span {
        width: 15px;
        height: 15px;
        transform: translateY(20px) rotate(45deg);
    }
    .info_right .info_name {
        font-size: 26px;
    }
    .buy_now {
        margin-top: 30px;
        height: 45px;
        line-height: 45px;
        font-size: 16px;
    }
    .product_detail_wrap {
        display: block;

    }
    .detail_left {
        width: 100%;
    }
    .detail_right {
        width: 100%;
    }
    .check_tip {
        padding: 30px 20px;
    }
    .check_tip_item {
        width: 50%;
        padding: 0 20px;
    }
    .tip_item_left .t {
        font-size: 20px;
    }
    .check_input {
        width: 320px;
        height: 50px;
    }
    .check_btn {
        width: 120px;
        height: 50px;
        line-height: 50px;
    }
    .check_title {
        font-size: 24px;
        padding: 15px 0;
    }
    .check_sub_title{
        font-size: 24px;
    }
    .phone_check {
        padding: 20px 0;
    }

    .contact_item {
        width: 100%;
    }
    .contact_container .item-container{
        display: block;
    }

    .platform_item .plat_ewm {
        width: 100px;
        height: 100px;
    }
    .platform_item {
        width: 50%;
        padding: 0;
    }
    .platform_item:nth-child(3n) {
        border-left: 0;
    }
    .platform_item:nth-child(4n) {
        border-left: 1px solid #F8F8F8;
    }
    .course_scroll_list {
        height: 260px;
    }
    .course_left {
        width: 150px;
    }
    .course_right .time {
        font-size: 18px;
    }
    .course_right .des {
        margin-top: 0;
    }
    .course_title {
        font-size: 22px;
    }
    .course_container {
        margin-top: 30px;
    }
    .new_list {
        padding: 0;
    }
    .new_list .new_item a {
        padding: 15px 6px;
    }
    .new_item .new_left {
        font-size: 15px;
    }
    .partner_container {
        margin: 30px 0 60px 0;
    }
    .brand_title {
        font-size: 26px;
    }
    .brand_title_two {
        font-size: 20px;
    }
    .course_content {
        padding: 0;
    }

    .explore_item {
        width: 50%;
    }
    .introduce_list {
        margin-top: 40px;
        margin-bottom: 20px;
    }
    .intro_item_l {
        width: 100%;
    }
    .intro_item_odd .intro_item_r {
        width: 100%;
        padding: 15px;
    }
    .intro_item_even .intro_item_r {
        width: 100%;
        padding: 15px;
    }
    .intro_item_odd {
        margin-bottom: 20px;
    }
    .intro_item_even {
        margin-bottom: 20px;
    }
    .intro_title {
        font-size: 36px;
    }
    .techno_title {
        font-size: 22px;
    }
    .component_list {
        margin: 30px 0;
    }
    .component_list .com_item {
        width: 49%;
    }
    .component_content {
        margin: 40px 0;
    }
    .news_main_content {
        width: 100%;
    }
    .news_recommend {
        margin-top: 40px;
        width: 100%;
    }
    .new_main_title {
        font-size: 20px;
    }

    .series_item .series_goods_img img {
        width: 270px;
        height: auto;
    }

    .partner_item {
        /* width: 50px; */
        /* height: 50px; */
    }
    .news{
        padding-top: 30px;
        padding-bottom: 30px;
    }
    .news .list .item{
        padding-top: 10px;
        padding-bottom: 10px;
    }
    .check_title, .check_sub_title{
        margin-bottom: 15px;
        padding-top:0;
        padding-bottom:0;
    }
    .product_list_container .content .section1 {
        border-width: 2px;
    }
    .product_list_container .content .section1 .title{
        font-size: 20px;
        width: 160px;
    }
    .single_lists{
        flex-wrap: wrap;
    }
    .single_item_container,.exhibition-container .single_lists .single_item_container{
        width: 50%;
        margin-bottom: 15px;
    }
    .exhibition-container .tip_title{
        font-size: 18px;
        margin-top: 40px;
    }
    .contact_container .item{
        font-size: 18px;
    }
    .news .list .item{
        font-size: 16px;
    }
    .source .content2, .power .content2{
        overflow: hidden;
    }
    .text-inner{
        left: 10px;
        top: 10px;
        width: 45%;
    }
    .source .arr-container {
        width: 12px;
        float: right;
        margin-top: 0;
    }
    .history .content2 .title, .history .content3 .title{
        padding: 30px 0;
        margin-bottom: 20px;
    }
    .search-container{
        display: block;
        width: 80%;
        padding-left: 20px;
        margin-top: 20px;
    }
    .history .content2 .year, .history .content3 .year {
        font-size: 16px;
        font-weight: bold;
    }
    .history .content2 .desc, .history .content3 .desc{
        font-size: 14px;
    }
    .star-swiper-container {
        background-position-y: -160px;
    }
    
}
@media (max-width: 560px) {
    .header_container{
        padding-left: 0;
        padding-right: 0;
    }
    .header_container .header_content {
        width: 94%;
        padding-left: 10px;
    }
    .header_content .logo {
        width: 220px;
    }
    .nav-logo {
        width: 220px;
    }
    .index-banner-item {
      /*   height: 300px !important; */
    }
    .count_item .n {
        font-size: 30px;
    }
    .count_content .add {
        font-size: 18px;
    }
    .footer_l .footer_logo {
        width: 220px;
    }
    .product_item .item_goods_img img {
        width: 166px;
    }

    .product_item .look_btn {
        height: 36px;
        line-height: 36px;
    }
    .series_item .look_btn {
        height: 36px;
        line-height: 36px;
    }
    .check_title, .check_sub_title {
        font-size: 18px;
    }
    .check_input {
        width: 200px;
    }
    .check_btn {
        width: 100px;
    }
    .check_tip_item {
        width: 100%;
        margin-bottom: 10px;
        flex-direction: column;
    }

    .result_content {
        width: 340px;
    }
    .course_left {
        width: 120px;
    }
    .product_list_container .content .section1{
        padding: 5rem 2rem;
    }
    .product_list_container .content .section1 .list{
        flex-wrap: wrap;
    }
    .product_list_container .content .section1 .list .item {
        width: 50%;
        text-align: center;
        margin-bottom: 20px;
    }
    .brand-info .input{
        width: 100%;
    }
    .source .content2 .text {
        width: 25%;
    }
    .star-swiper-container {
        background-position-y: -230px;
    }
    .product-list-banner{
        height: 220px;
    }
}