.about-img iframe{width:100%;height:100%}.news-img,.knowledges-img{padding-bottom:75%;height:0;position:relative}
.news-img img,.knowledges-img img{position:absolute;max-width:100%;max-height:100%;top:50%;left:50%;height:100%;transform:translate(-50%,-50%)}
.common-container .news-content .news-list .list-2 .news-img img,.knowledges-content .knowledges-list .list-2 .knowledges-img img{width:auto}
footer .footer-container .bottom-info .intro .contact-list li {background:#1278F3}
footer .footer-container .bottom-info .intro .contact-list li:nth-child(2) {background:#2D8DC5}
footer .footer-container .bottom-info .intro .contact-list li:nth-child(3) {background:#0B66C1}
footer .footer-container .bottom-info .intro .contact-list li:nth-child(4) {background:#E60024}
footer .footer-container .bottom-info .intro .contact-list li:nth-child(5) {background:#00AFF0}
footer .footer-container .bottom-info .intro .contact-list li img {-webkit-filter:contrast(3);filter:contrast(3);}
@media screen and (min-width:1081px){.pro-detail-content .pro-detail-title,.products-content .pro-list, .products-content .pro-list-2,.pro-detail-content .pro-page-switch,.news-detail-content,.knowledges-detail-content,.common-container .feedback-content,.abouts-content{padding-left:calc(50% - 500px);padding-right:calc(50% - 500px);}
.knowledges-content,.common-container .news-content,.pro-detail-content .pro-review,.pro-detail-content .pro-intro, .pro-detail-content .pro-spec, .pro-detail-content .productsTags,.pro-detail-content .random-pro-list, .pro-detail-content .send-inquiry .inquiry-form{margin-left:calc(50% - 500px);margin-right:calc(50% - 500px);}}
@media screen and (min-width:769px){header nav ul .submenu{height:auto;padding:15px 25px;flex-wrap:wrap;box-sizing: border-box;}
header nav ul .submenu li{margin:10px;}}
.home-container .partners ul li {position:relative;padding-bottom: 13%;}
.home-container .partners ul li img {width:90%;height:90%;position:absolute;top:5%;left:5%;object-fit:contain;}
@media (max-width:768px){.home-container .partners ul li {padding-bottom:22%;}}