@media screen and (max-width: 1920px) {}

@media screen and (max-width: 1366px) {}
@media screen and (max-width: 800px) {
    html, body {
        font-size: 12px;
        line-height: 1.5;
        /* background: #ddd; */
    }
    .container {
        width: 100%; 
        box-sizing: border-box;
    }
    .container-s {
        width: 100%;
        box-sizing: border-box;
    }
    .header {
        border-bottom: solid 2px #e62129;
    }
    .topbar {
        height: auto;
        padding: 0px 10px;
        background: #fff;
    }
    .topbar-lang {font-size: 12px;}
    .topbar-lang a {
        color: #444;
    }
    
    .topbar .container {
        height: auto;
    }
    .topbar-logo, .topbar-tel {
        display: none;
    } 
     
    .topbar-logo-img {
        width: 50%;
        display: block;
    }
    .menu{
        display: none;
    }
    .toogle-menu {
        display: block;
    }
    .index-product-item {
        width: 100%;
        background-size: 100%; 
        padding-right: 0.6rem;
        padding-bottom: 20px;
        margin-bottom: 20px;
    }
    .index-product-item .text .p-btn {
        width: 2.7395833333333335rem;
        height: 0.7395833333333334rem;
        line-height: 0.7395833333333334rem;
        background: url(../images/sprite.png) right top no-repeat;
        display: block;
        background-size: 6.25rem;
        font-size: 12px;
    }
    .index-product-item .text .p1 {
        font-size: 12px;
    }
    .index-product-item .text .p2 {
        font-size: 12px;
    }
    .index-product-item2 {
        background: url(../images/index-p-bg.jpg) 0  0.4791666666666667rem no-repeat;
        margin-right: 20px;
        width: calc( 100% - 20px);
    }
    .index-news-list {
        flex-wrap: wrap;
        padding: 0.15625rem;
    }
    .index-news-list-item {
        width: 100%;
        margin-bottom: 0.11rem;
    }
    .index-news-list-item h4 {
        font-size: 14px;
    }
    .index-news-list-item p {
        font-size: 12px;
    }
    .footer-menus {
        display: none;
    }
    .footer {
        padding: 16px;
    }
    .footer-logo,.footer-contact {
        width: 100%;
    }
    .footer-logo {
        margin-bottom: 20px;
    }
    .footer-contact.flex.content-between {
        flex-wrap: wrap;
        justify-content: flex-start;
        flex-direction: column;
    }
    .footer-contact .item {
        width: 100%;
        
    }
    .footer-top {
        flex-wrap: wrap;
        border-bottom: none;
    }
    .about-content .summary {
        width: 100%;
        flex-wrap: wrap;
        overflow: hidden;
        height: auto;
    }
    .about-content .summary .item {
        width: 50%;
        height: 1.5rem;
    }
    .use-items {
        padding: 0px 10px;
    }
    .use-items .use-item.text .name {
        width: 70%;
        height: 24px;
        line-height: 24px;
        font-size: 14px;
    }
    .use-big-item p{
        font-size: 12px;
        zoom: 0.8;
    }
    .news {
        padding: 10px;
        width: auto;
    }
    .news-tab a {
        width: 120px;
        height: 32px;
        line-height: 32px;
        font-size: 16px;
    }
    .news-list-item {
        flex-direction: column;
        box-sizing: border-box;
    }
    .news-list-item .d {
        display: flex;
        text-align: left;
        justify-content: flex-end;
        color: #777;
    }
    .news-list-item .d .year::after {
        content: '-';
        font-weight: 400;
    }
    .news-list-item .d .date {
        font-size: 14px;
        font-weight: 400;
    }
    .contact-info {
        flex-direction: column;
        padding: 10px;
    }
    .contact-list {
        width: 100%;
    }
    .guestbook {
        margin: 20px 0px 0px 0px;
    }
    #mapContainer {
        margin: 10px;
        width: calc(100% - 20px);
    }

    .page-product-tab {
        flex-wrap: wrap;
        justify-content: space-between;
        padding: 10px;
        margin: 20px 0; 
    }
    
    .page-product-tab a {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 23%;
        height: 42px; 
        font-size: 12px;
        margin: 0 0 10px;
    }
    .page-product-tab::after {
        content: '';
        width: 32%;
        display: block;
        height: 42px; 
    }
    
    .product-list{
        padding: 10px;
    }
    .product-list-item {
        width: 46%;
    }
    .product-contact {
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
    .product-contact-item {
        margin: 0px 20px;
        /* width: 100%; */
    }
    .crumb .container, .crumb .container-s {
        text-indent: 20px;
    }
    .news-content   {
        margin:0 16px;
    }
    .flex.content-between {
        padding: 0 10px 10px 10px;
        box-sizing: border-box;
    }
    .product-params img{
        width: auto !important;
        height: auto !important;
    }
    .use-head-top .use-title h1 {
        font-size: 16px;
    }
    .use-head-top .use-title p {
        font-size: 12px;
    }
    .mobile-about-content {
        padding: 0 10px;
    }
    .use-big-item {
        padding: 0 10px;
        box-sizing: border-box;
    }
    .about-content .item .t {
        font-size: 18px;
    }
    .about-content .item .t sup {
        font-size: 12px;
    }
    .about-content .item .b {
        font-size: 14px;
    }
    .about-cert  .wrapper-horizontal-cert{
        width: 100%;
        overflow: hidden;
    }
    .contact-list-item .name{
        font-size: 20px;
    }
    .contact-list-item .value {
        font-size: 18px;
    }
    .footer-contact .item {
        font-size: 14px;
    }
    .icon-small {
        zoom: 2;
    }
    .page-product-tab a {
        line-height: 1.2em;
        width: 32%;
    }
    .sider-item {
        width: 0.84375rem;
        height: 0.84375rem;
    }
    .icon-side {
        transform: scale(2);
        transform-origin: 0 0;
    }
    
    .sider-item .pop-img {
        right: 0.84375rem;
    }
    .sider-item .pop-text  {
        right: 0.84375rem; 
    }
    
    .product-params-container-11 .item .img, .product-params-container .item .img{
        height: 60px; 
    }
    .product-params-container { 
        grid-template-columns: 18% 18% 18% 18% 28%;
        grid-template-rows: auto auto ;
    }
    .product-params-container-11 {
        grid-template-columns: 18% 18% 18% 18% 28%;
        grid-template-rows: auto auto ;
    }  
    .news-list-item .c h4 {
        font-size: 18px;
    }
    .cert-list {
        margin: 0 10px;
        display: grid;
        grid-template-columns: 48% 48%; 
        gap:0  4%;
        margin-top: 20px;
    }
    .cert-list-item{
        height: 180px;
    }
    .product-list {
        display: grid;
        grid-template-columns: 48% 48%; 
        gap:0  4%;
        margin-top: 0px;
    }
    .product-list-item {
        width: 100%;
    }
    .wrapper-horizontal-cert { 
        height: 230px !important; 
        min-height: 230px !important; 
    }
    .wrapper-horizontal-cert .content { 
        height: 230px !important; 
    }
    .en .index-news-list-item h4 {
        font-size: 14px;
    }
    .en .index-news-list-item p {
        font-size: 12px;
    }
    .en .footer-contact .item .text {
        font-size: 12px;
    }
    .about-cert h2 {
        font-size: 18px;
        padding: 20px 0;
    }
    .product-name {
        bottom: 10px;
        font-size: 24px;
    }
    .product-list-item .t{
        font-size: 16px;
        height: 30px;
        line-height: 30px;
    }
    .product-contact-item {
        font-size: 18px;
    }
    .product-contact-item img {
        width: 18px;
    }
    .index-product-item .pic1 {
        margin-left: 10px;
    }
}