@media screen and (max-width: 1800px) and (min-width: 991px) {
  .index-case .case-box > div:hover .case-more {
    margin-top: 40px;
  }
}
@media screen and (max-width: 1600px) and (min-width: 991px) {
  .index-case .case-box > div:hover .case-desc {
    -webkit-line-clamp: 4;
    height: 96px;
  }
}
@media screen and (max-width: 1440px) and (min-width: 991px) {
  .index-case .case-box > div:hover .case-desc {
    -webkit-line-clamp: 3;
    height: 72px;
  }
  .index-case .case-box > div:hover .case-more {
    margin-top: 25px;
    height: 40px;
  }
  .index-case .case-more {
    width: 120px;
    font-size: 14px;
  }
  .index-case .case-more i {
    font-size: 14px;
  }
}
@media screen and (max-width: 1199px) and (min-width: 991px) {
  .index-case .case-box > div:hover .case-desc {
    -webkit-line-clamp: 2;
    height: 48px;
  }
  .index-case .case-box > div:hover .case-txt {
    padding: 35px 30px 15px;
  }
}
@media screen and (max-width: 1660px) {
  .about .about-honor .slick-prev {
    left: 20px;
  }
  .about .about-honor .slick-next {
    right: 20px;
  }
  .about .about-factory .factory-slick .slick-prev {
    left: 20px;
  }
  .about .about-factory .factory-slick .slick-next {
    right: 20px;
  }
  .index-case{
    padding-left: 0;
    padding-right: 0;
  }
}
@media screen and (max-width: 1500px) {
  .index-prod .prod-hover .prod-desc {
    margin-bottom: 20px;
  }
  .index-prod .prod-hover i {
    font-size: 14px;
    width: 38px;
    height: 38px;
  }
  .index-about .about-img i {
    left: 60%;
  }
  footer .footer-b .footer-msg .msg-box {
    margin-right: 40px;
  }
}
@media screen and (max-width: 1440px) {
  .prod-deta .lbt-box .pre-img {
    transform: translate(0, -50%);
    margin: 0;
  }
  .prod-deta .lbt-box .next-img {
    transform: translate(0, -50%);
    margin: 0;
    left: auto;
  }

  .prod-deta .lbt-box .cur-img{
    transform: translate(0);
    margin: 0 auto;
    left: 0;
  }
  
}
@media screen and (max-width: 1360px) {
  .index-prod {
    padding: 85px 30px 0;
  }
  .index-prod .prod-hover .prod-tit {
    font-size: 18px;
  }
  .index-prod .prod-hover .prod-desc {
    margin-bottom: 15px;
  }
  .index-prod .prod-hover i {
    width: 32px;
    height: 32px;
    font-size: 12px;
  }
  .index-prod .prod-hover {
    padding: 20px;
  }
}
@media screen and (max-width: 1300px) {
  footer .footer-b {
    flex-direction: column-reverse;
    align-items: flex-start;
    padding: 30px 0;
  }
  footer .footer-b .footer-msg {
    margin-top: 20px;
  }
  footer .footer-b .footer-record {
    margin-top: 20px;
  }
  footer .footer-b .footer-cont {
    max-width: 100%;
  }
}
@media screen and (max-width: 1199px) {
  .skiptranslate iframe {
    display: none;
  }
  .google-translation .skiptranslate {
    display: inline-block;
  }
  body {
    top: 0 !important;
  }
  header .header-b .header-bot {
    height: 60px;
  }
  header .header-b .header-logo {
    height: 44px;
  }
  header .header-b .header-btn {
    padding-right: 30px;
    position: relative;
  }
  .header .nav-collapse {
    display: block;
    border: none;
    top: 50%;
    transform: translateY(-50%);
    right: 0;
    height: 32px;
  }
  .index-prod {
    padding: 40px 15px 0;
  }
  .in-title {
    font-size: 32px;
  }
  .in-desc {
    margin-top: 15px;
  }
  .index-prod .prod-list {
    margin: 25px -10px 0;
  }
  .index-case {
    padding: 40px 0;
  }
  .index-case .case-slick {
    margin-top: 25px;
  }
  .index-about .about-txt {
    padding-top: 60px;
    padding-bottom: 60px;
  }
  .index-about .about-img a {
    height: 100%;
  }
  .index-about .about-img a img {
    height: 100%;
  }
  .index-about .about-img i {
    width: 80px;
    height: 80px;
    font-size: 18px;
  }
  .index-about .about-img i:after {
    width: 58px;
    height: 58px;
  }
  .index-partner {
    padding: 40px 0 80px;
  }
  .index-partner .partner-list {
    margin-top: 25px;
  }
  .about .about-introduction {
    padding-top: 40px;
  }
  .page-tit {
    font-size: 32px;
    padding-bottom: 20px;
  }
  .about .about-introduction .introduction-img .video {
    padding-right: 0;
  }
  .about .about-introduction .introduction-txt div {
    padding-top: 0;
  }
  footer .footer-t .link-box {
    padding: 0 15px;
  }
  footer .footer-t .footer-link {
    height: 60px;
  }
  footer .footer-b {
    padding: 30px 0;
  }
  footer .footer-b .footer-msg .msg-box i {
    width: 40px;
    height: 40px;
    font-size: 18px;
  }
  footer .footer-b .footer-cont {
    max-width: 100%;
    width: 100%;
  }
  footer .footer-b .footer-msg {
    flex-wrap: wrap;
  }
  footer .footer-b .footer-msg .msg-box {
    margin-bottom: 20px;
  }
  footer .footer-b .footer-msg .msg-txt {
    max-width: 100%;
  }
  footer .footer-b .footer-record {
    margin-top: 0;
  }
  .about .about-honor {
    padding-top: 40px;
  }
  .about .about-factory {
    padding: 40px 0 0;
  }
  .about .about-factory .factory-slick {
    margin: 0 -15px;
  }
  .about .about-factory .slick-list {
    padding: 25px 0 40px;
  }
  .exhibition {
    padding: 40px 0;
  }
  .customer {
    padding: 40px 0;
  }
  .details {
    padding: 40px 0;
  }
  .details h1 {
    font-size: 24px;
    margin-bottom: 10px;
  }
  .details .info {
    padding-bottom: 15px;
    margin-bottom: 20px;
  }
  .details .details-date {
    font-size: 16px;
  }
  .details .share-box {
    margin-top: 25px;
  }
  .details .news-page {
    margin-top: 25px;
  }
  .details .news-page .next {
    margin-top: 5px;
  }
  .prod {
    padding: 40px 0;
  }
  .prod-deta {
    padding: 40px 0;
  }
  .news {
    padding: 40px 0;
  }
  .news .news-box {
    padding: 20px 40px 20px 30px;
  }
  .news .news-list {
    margin: 25px 0 30px;
  }
  .case {
    padding: 40px 0;
  }
  .case .case-list {
    margin: 30px -15px;
  }
  .contact .contact-msg {
    padding: 40px 0 0;
  }
  .contact .contact-msg .msg-list {
    padding-bottom: 40px;
  }
  .contact .contact-msg .msg-desc {
    line-height: 1.2;
  }
  .contact .contact-ol {
    padding: 40px 0;
  }
  .contact .contact-info {
    padding-bottom: 40px;
  }
  .video-center {
    padding: 40px 0;
  }
  .site-map {
    padding: 30px 0;
  }
  .site-map h2 {
    font-size: 24px;
    margin-bottom: 15px;
  }
}
@media screen and (max-width: 991px) {
  .open-suspended {
    right: 0;
    display: block;
  }
  .xs-online {
    display: block!important;
  }
  .suspended-list {
    top: auto;
    bottom: 120px;
    right: -60px;
    transition: all 0.35s;
  }
  .suspended-list ul {
    margin-bottom: 0;
  }
  .suspended-list ul li:hover a:before {
    transition: all 0.5s;
    transform: rotate(0);
  }
  .suspended-list ul li:first-child {
    transition: all 0.5s;
  }
  .suspended-list ul li:nth-child(2) {
    transition: all 0.5s;
  }
  .suspended-list ul li:nth-child(3) {
    transition: all 0.5s;
  }
  .suspended-list ul li:nth-child(4) {
    transition: all 0.5s;
  }
  .suspended-list ul li:nth-child(5) {
    transition: all 0.5s;
  }
  .suspended-list.look {
    right: 0;
    transition: all 0.35s;
  }
  .suspended-list.look ul li:first-child {
    transform: translateY(0);
    transition: all 0.5s;
  }
  .suspended-list.look ul li:nth-child(2) {
    transform: translateY(0);
    transition: all 0.5s;
  }
  .suspended-list.look ul li:nth-child(3) {
    transform: translateY(0);
    transition: all 0.5s;
  }
  .suspended-list.look ul li.plus img {
    transition: all 0.5s;
    transform: rotate(45deg);
  }
  .suspended-list.look li.open:hover a:before {
    transition: all 0.5s;
    transform: rotate(45deg);
  }
  .suspended-list.look li:nth-child(4) {
    transform: translateY(0);
    transition: all 0.5s;
  }
  .suspended-list.look li:nth-child(5) {
    transform: translateY(0);
    transition: all 0.5s;
  }
  .rotate45 {
    transform: rotate(45deg);
    transition: all 0.35s;
  }
  .in-title {
    font-size: 28px;
  }
  .index-case .case-box {
    padding: 0 10px;
  }
  .index-case .case-slick .slick-prev,
  .index-case .case-slick .slick-next {
    width: 52px;
    height: 52px;
  }
  .index-case .case-slick .slick-prev:before,
  .index-case .case-slick .slick-next:before {
    font-size: 18px;
  }
  .index-about .about-img i {
    left: 60%;
  }
  .index-about .about-txt {
    padding: 40px 0 40px 40px;
  }
  .index-about .about-txt .about-desc {
    margin: 25px 0 30px;
  }
  .index-partner .partner-box {
    padding: 0 10px;
  }
  .index-partner .partner-list {
    margin: 25px -10px 0;
  }
  .index-partner .slick-dots {
    bottom: -30px;
  }
  .index-partner {
    padding: 40px 0 70px;
  }
  .index-partner .partner-box:nth-child(n+6) {
    margin-top: 20px;
  }
  footer {
    padding-bottom: 68px;
  }
  footer .footer-b .footer-msg .msg-txt {
    padding-top: 5px;
  }
  footer .footer-t .link-box {
    font-size: 14px;
  }
  footer .footer-b .footer-msg .msg-desc {
    font-size: 14px;
  }
  footer .footer-b .footer-msg .msg-tit {
    font-size: 15px;
    margin-bottom: 3px;
  }
  .page-banner .item img {
    width: 130%;
    margin-left: -15%;
  }
  .about .about-introduction .introduction-all {
    flex-wrap: wrap;
  }
  .about .about-introduction .introduction-img {
    width: 100%;
  }
  .about .about-introduction .introduction-txt {
    width: 100%;
    padding-top: 10px;
  }
  .page-tit {
    font-size: 28px;
  }
  .about .about-honor .honor-box {
    padding: 0 10px;
  }
  .about .about-honor .honor-slick {
    margin: 25px -10px 0;
  }
  .about .about-factory .factory-slick {
    margin: 0 -10px;
  }
  .about .about-factory .factory-box {
    padding: 0 10px;
  }
  .about .about-partner {
    flex-wrap: wrap;
  }
  .exhibition .exhibition-box {
    padding: 0 10px;
  }
  .exhibition .exhibition-list {
    margin: 25px -10px 30px;
  }
  .exhibition .exhibition-box:nth-child(n+4) {
    margin-top: 20px;
  }
  .exhibition .exhibition-tit {
    line-height: 44px;
    font-size: 14px;
    margin: -22px auto 0;
  }
  .customer .customer-box {
    padding: 0 10px;
  }
  .customer .customer-box > div {
    padding: 25px;
  }
  .customer .customer-txt {
    padding-top: 20px;
  }
  .customer .customer-tit {
    font-size: 18px;
    margin-bottom: 10px;
  }
  .customer .customer-desc {
    font-size: 14px;
    line-height: 24px;
    margin-bottom: 15px;
  }
  .list-l {
    display: none;
  }
  .prod .am-u-md-9 {
    width: 100%;
  }
  .touch-nav {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 10px;
  }
  .touch-nav a {
    width: fit-content;
    line-height: 30px;
    padding-left: 10px;
    position: relative;
    color: #222;
    margin-right: 20px;
    text-transform: capitalize;
  }
  .touch-nav a:before {
    content: '-';
    position: absolute;
    left: 0;
  }
  .touch-nav a.active {
    color: #1383CA;
  }
  .prod .prod-box {
    padding: 0 10px;
  }
  .prod .prod-list {
    margin: 0 -10px 30px;
  }
  .prod-deta .am-u-md-9 {
    width: 100%;
  }
  .prod-deta .lbt-box {
    padding: 0 15px;
  }
  .prod-deta .prod-cont2 .prod-title {
    margin-bottom: 25px;
  }
  .prod-deta .inquiry-form {
    padding-top: 30px;
  }
  .recommend {
    padding-top: 30px;
  }
  .recommend .prod-box {
    padding: 0 10px;
  }
  .recommend .prod-recommendlist {
    margin: 0 -10px;
  }
  .news .news-box {
    padding: 15px 0;
  }
  .news .news-txt {
    width: calc(100% - 90px);
  }
  .news .news-cont {
    padding-left: 30px;
  }
  .news .news-box:first-child {
    padding-top: 0;
  }
  .news .news-box:last-child {
    padding-bottom: 0;
  }
  .case .case-box {
    padding: 0 10px;
  }
  .case .case-list {
    margin: 30px -10px;
  }
  .case .case-txt {
    padding-top: 15px;
  }
  .case .case-tit {
    font-size: 18px;
    margin-bottom: 10px;
  }
  .case .case-desc {
    margin-bottom: 15px;
  }
  .contact .contact-msg .msg-box i {
    font-size: 30px;
    margin-bottom: 15px;
  }
  .contact .contact-msg .msg-tit {
    margin-bottom: 10px;
  }
  .contact .contact-info .list .box {
    width: 50%;
    padding: 20px;
  }
  .contact .contact-info .list .box:nth-child(4n+1) {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
  }
  .contact .contact-info .list .box:nth-child(4n) {
    border-bottom-right-radius: 0;
    border-top-right-radius: 0;
  }
  .contact .contact-info .list .box:last-child {
    border-bottom-right-radius: 0;
    border-top-right-radius: 0;
  }
  .contact .contact-info .list .box:nth-child(2n+1) {
    border-left-color: transparent;
  }
  .contact .contact-info .list .box:nth-child(n+3) {
    border-top: 1px solid #E6E6E6;
  }
  .video-center .am-u-md-9 {
    width: 100%;
  }
  .video-center .video-box {
    padding: 0 10px;
  }
  .video-center .video-list {
    margin: 0 -10px 30px;
  }
  .video-center .video-tit {
    margin-top: 15px;
  }
  .video-center .video-box:nth-child(n+3) {
    margin-top: 20px;
  }
}
@media screen and (max-width: 767px) {
  .banner .slick-dotbox {
    bottom: 20px;
  }
  .banner .slick-dots li button {
    width: 30px;
    height: 30px;
    font-size: 12px;
  }
  .banner .slick-dotbox .banner-nextbtn {
    width: 30px;
    height: 30px;
    font-size: 12px;
  }
  .banner .slick-dotbox .banner-prevbtn {
    width: 30px;
    height: 30px;
    font-size: 12px;
  }
  .banner .slick-dots li {
    margin: 0 4px;
  }
  .index-prod .prod-list {
    margin: 25px -5px 0;
  }
  .index-prod .prod-box {
    padding: 0 5px;
  }
  .index-prod .prod-box:nth-child(n+5) {
    margin-top: 10px;
  }
  .in-desc {
    font-size: 14px;
  }
  .in-title {
    font-size: 24px;
  }
  .index-case .case-box {
    padding: 0 5px;
  }
  .index-case .case-slick {
    width: calc(100% + 360px);
    margin-left: -180px;
  }
  .index-case .case-tit {
    font-size: 16px;
    margin-bottom: 5px;
  }
  .index-case .case-txt {
    height: 60px;
  }
  .index-about .about-img {
    width: 100%;
  }
  .index-about .about-txt {
    width: 100%;
    padding: 30px 0;
  }
  .index-about .about-img a {
    position: static;
    height: auto;
  }
  .index-about .about-img a img {
    width: 100%;
    height: auto;
  }
  .index-about .about-img a img:first-child {
    display: none!important;
  }
  .index-about .about-img a img:nth-child(2) {
    display: block!important;
  }
  .index-about .about-img i {
    left: 50%;
  }
  .index-about .about-txt .about-desc {
    font-size: 14px;
    line-height: 22px;
    margin: 15px 0 20px;
  }
  .index-about .about-txt .about-more {
    width: 100px;
    height: 38px;
  }
  .index-about .about-txt .about-more i {
    font-size: 14px;
  }
  .index-partner .partner-box {
    padding: 0 5px;
  }
  .index-partner .partner-list {
    margin: 25px -5px 0;
  }
  .index-partner .partner-box:nth-child(n+6) {
    margin-top: 10px;
  }
  footer .footer-t .footer-link {
    flex-wrap: wrap;
    justify-content: flex-start;
    height: auto;
    padding: 15px 0;
  }
  footer .footer-b {
    padding: 20px 0;
  }
  footer .footer-b .footer-qrcode .qrcode-tit {
    font-size: 14px;
    margin-top: 5px;
  }
  footer .footer-t .link-box {
    line-height: 20px;
  }
  footer .footer-b .footer-record {
    line-height: 1.2;
  }
  .page-tit {
    font-size: 24px;
    padding-bottom: 15px;
  }
  .about .about-honor .honor-box {
    padding: 0 5px;
  }
  .about .about-honor .honor-slick {
    margin: 25px -5px 0;
  }
  .about .about-honor .honor-tit {
    font-size: 14px;
    line-height: 22px;
  }
  .about .about-honor .honor-slick:after {
    bottom: 71px;
  }
  .about .about-honor .slick-prev,
  .about .about-honor .slick-next {
    width: 36px;
    height: 36px;
  }
  .about .about-honor .slick-prev:before,
  .about .about-honor .slick-next:before {
    font-size: 14px;
  }
  .about .about-factory .factory-slick {
    margin: 0 -5px;
  }
  .about .about-factory .factory-box {
    padding: 0 5px;
  }
  .about .about-factory .factory-slick .slick-prev,
  .about .about-factory .factory-slick .slick-next {
    width: 36px;
    height: 36px;
  }
  .about .about-factory .factory-slick .slick-prev:before,
  .about .about-factory .factory-slick .slick-next:before {
    font-size: 14px;
  }
  .about .about-factory .factory-box a {
    padding: 10px;
  }
  .about .about-factory .factory-tit {
    margin: 15px 0 5px;
  }
  .about .about-partner .partner-box {
    width: 25%;
  }
  .exhibition .exhibition-box {
    padding: 0 5px;
  }
  .exhibition .exhibition-list {
    margin: 25px -5px 30px;
  }
  .exhibition .exhibition-box:nth-child(n+4) {
    margin-top: 10px;
  }
  .customer .customer-box > div {
    padding: 15px;
  }
  .customer .customer-box {
    padding: 0 5px;
  }
  .customer .customer-list {
    margin: 25px -5px;
  }
  .customer .customer-box:nth-child(n+4) {
    margin-top: 10px;
  }
  .customer .customer-more {
    width: 110px;
    height: 38px;
  }
  .prod .prod-box {
    padding: 0 5px;
  }
  .prod .prod-list {
    margin: 0 -5px 25px;
  }
  .prod .prod-box:nth-child(n+4) {
    margin-top: 10px;
  }
  .prod .prod-box a {
    padding: 10px;
  }
  .prod .prod-box .prod-tit {
    line-height: 42px;
    margin-bottom: 5px;
  }
  .prod-deta .lbt-box .imgitem {
    width: 260px;
    height: 260px;
  }
  .prod-deta .lbt-box .cur-img {
    width: 380px;
    height: 380px;
  }
  .prod-deta .lbt-box {
    height: 380px;
  }
  .prod-deta .prod-sontitle {
    font-size: 24px;
  }
  .recommend .prod-box {
    padding: 0 5px;
  }
  .recommend .prod-recommendlist {
    margin: 0 -5px;
  }
  .recommend .prod-box .prod-tit {
    line-height: 42px;
    margin-bottom: 5px;
  }
  .recommend .prod-box a {
    padding: 10px;
  }
  .news .news-img {
    width: 260px;
  }
  .news .news-cont {
    width: calc(100% - 260px);
    padding-top: 10px;
  }
  .news .news-date {
    margin-bottom: 15px;
  }
  .news .news-tit {
    font-size: 18px;
    margin-bottom: 15px;
  }
  .news .news-btn {
    width: 42px;
    height: 42px;
    font-size: 14px;
  }
  .news .news-txt {
    width: calc(100% - 60px);
  }
  .case .case-box {
    padding: 0 5px;
  }
  .case .case-list {
    margin: 30px -5px;
  }
  .case .case-btn {
    height: 30px;
    padding: 0 15px;
  }
  .video-center .video-box {
    padding: 0 5px;
  }
  .video-center .video-list {
    margin: 0 -5px 30px;
  }
}
@media screen and (max-width: 641px) {
  .banner img {
    margin-left: -15%;
    width: 130%;
  }
  .banner .slick-slide > div {
    overflow: hidden;
  }
  .index-prod .prod-box {
    width: 50%;
  }
  .index-prod .prod-box:nth-child(n+3) {
    margin-top: 10px;
  }
  .index-prod {
    padding: 40px 10px 0;
  }
  .index-case .case-slick {
    width: 100%;
    margin-left: 0;
    padding: 0 5px;
  }
  .index-case .case-slick .slick-prev,
  .index-case .case-slick .slick-next {
    width: 40px;
    height: 40px;
  }
  .index-case .case-slick .slick-prev:before,
  .index-case .case-slick .slick-next:before {
    font-size: 14px;
  }
  .index-case .case-slick .slick-next {
    right: 20px;
  }
  .index-case .case-slick .slick-prev {
    left: 20px;
  }
  .index-partner .partner-box {
    width: 25%;
  }
  .index-partner .partner-box:nth-child(n+5) {
    margin-top: 10px;
  }
  .about .about-introduction .introduction-all {
    margin: 25px -10px 0;
  }
  .about .about-introduction .introduction-img {
    padding: 0 10px;
  }
  .about .about-introduction .introduction-txt {
    padding: 10px 10px 0;
  }
  .about .about-introduction .introduction-txt p {
    font-size: 14px;
    line-height: 24px;
  }
  .pagenum a {
    width: 32px;
    height: 32px;
    margin-left: 8px;
  }
  .pagenum a:last-child {
    margin-left: 10px;
  }
  .pagenum a:nth-child(2) {
    margin-left: 10px;
  }
  .exhibition .exhibition-list {
    margin: 25px -5px;
  }
  .exhibition .exhibition-box {
    width: 50%;
  }
  .exhibition .exhibition-box:nth-child(n+3) {
    margin-top: 10px;
  }
  .customer .customer-box {
    width: 50%;
  }
  .customer .customer-box:nth-child(n+3) {
    margin-top: 10px;
  }
  .details .txt p {
    font-size: 14px;
    line-height: 24px;
  }
  .details h1 {
    font-size: 20px;
    line-height: 26px;
  }
  .details .news-page p {
    font-size: 14px;
  }
  .prod .prod-box {
    width: 50%;
  }
  .prod .prod-box:nth-child(n+3) {
    margin-top: 10px;
  }
  .prod-deta .lbt-box {
    padding: 0 10px;
  }
  .prod-deta .inquiry-form input {
    height: 40px;
    font-size: 14px;
    margin-bottom: 10px;
  }
  .prod-deta .inquiry-form input {
    margin-right: 10px;
    width: calc(25% - 7.5px);
  }
  .prod-deta .inquiry-form textarea {
    margin-bottom: 10px;
    font-size: 14px;
  }
  .prod-deta .inquiry-form button {
    font-size: 14px;
    height: 40px;
  }
  .news .news-list {
    display: flex;
    flex-wrap: wrap;
  }
  .news .news-box {
    width: 50%;
    flex-direction: column;
    padding: 0 5px;
  }
  .news .news-box:nth-child(n+3) {
    margin-top: 10px;
  }
  .news .news-img {
    width: 100%;
  }
  .news .news-cont {
    width: 100%;
    padding-left: 0;
  }
  .news .news-btn {
    display: none;
  }
  .news .news-txt {
    width: 100%;
  }
  .news .news-tit {
    font-size: 16px;
    margin-bottom: 10px;
  }
  .news .news-date {
    margin-bottom: 10px;
  }
  .news .news-desc {
    font-size: 14px;
    line-height: 22px;
    height: 66px;
  }
  .case .case-tit {
    font-size: 16px;
  }
  .case .case-desc {
    font-size: 14px;
    line-height: 22px;
  }
  .case .case-box {
    width: 50%;
  }
  .case .case-box:nth-child(n+3) {
    margin-top: 10px;
  }
  .contact .contact-msg .msg-box {
    width: 50%;
  }
  .contact .contact-msg .msg-box:nth-child(n+3) {
    margin-top: 15px;
  }
  .contact .contact-ol input {
    width: calc(50% - 5px);
    margin-right: 10px;
    margin-bottom: 10px;
  }
  .contact .contact-ol textarea {
    margin-bottom: 10px;
    padding: 10px 15px;
    font-size: 14px;
    height: 120px;
  }
  .contact .contact-ol input {
    height: 40px;
    padding: 0 15px;
    font-size: 14px;
  }
  .contact .contact-ol button {
    height: 40px;
    width: 120px;
    font-size: 14px;
  }
  .map {
    height: 300px;
  }
  .contact .contact-info .list .tit {
    line-height: 1.2;
    font-size: 16px;
    margin-bottom: 10px;
  }
  .contact .contact-info .list .desc p {
    font-size: 14px;
    line-height: 22px;
  }
  .contact .contact-info .list .box {
    padding: 15px;
  }
  .site-map h2 {
    font-size: 20px;
  }
  .site-map .site-list1 > li > a {
    height: 40px;
    line-height: 40px;
  }
  .site-map .site-list2 {
    padding-bottom: 0;
  }
}
@media screen and (max-width: 550px) {
  header .header-t .header-msg {
    display: none;
  }
  header .header-t .header-top {
    justify-content: flex-end;
  }
  .index-partner .partner-box {
    width: 33.33333333%;
  }
  .index-partner .partner-box:nth-child(n+4) {
    margin-top: 10px;
  }
  .about-nav .nav-list a {
    margin-right: 20px;
  }
}
@media screen and (max-width: 480px) {
  .index-about .about-img i {
    width: 60px;
    height: 60px;
    font-size: 14px;
  }
  .index-about .about-img i:after {
    width: 44px;
    height: 44px;
  }
  .about .about-introduction .introduction-img .video i {
    width: 60px;
    height: 60px;
    font-size: 16px;
  }
  .about .about-introduction .introduction-img .video i:after {
    width: 42px;
    height: 42px;
  }
  .about .about-factory .factory-tit {
    margin: 10px 0 0;
    font-size: 14px;
  }
  .exhibition .exhibition-tit {
    margin: 0 auto;
    line-height: 36px;
    width: 100%;
    padding: 0 5px;
  }
  .customer .customer-box > div {
    padding: 10px;
  }
  .customer .customer-txt {
    padding-top: 15px;
  }
  .customer .customer-tit {
    font-size: 16px;
  }
  .customer .customer-desc {
    line-height: 22px;
  }
  .customer .customer-more {
    width: 90px;
    height: 34px;
    font-size: 12px;
  }
  .prod-deta .lbt-box .imgitem {
    width: 180px;
    height: 180px;
  }
  .prod-deta .lbt-box .cur-img {
    height: 260px;
    width: 260px;
  }
  .prod-deta .lbt-box {
    height: 260px;
  }
  .prod-deta .inquiry-form input {
    width: calc(50% - 5px);
  }
  .prod-deta .inquiry-form input:nth-child(2n+1) {
    margin-right: 0;
  }
  .page-banner .item img {
    width: 170%;
    margin-left: -35%;
  }
  .video-center .video-tit {
    font-size: 14px;
    margin-top: 10px;
  }
}
@media screen and (max-width: 380px) {
  .search-wrap {
    right: -30px;
  }
  .banner .slick-dotbox {
    bottom: 10px;
  }
  .index-partner .partner-box {
    width: 50%;
  }
  .index-partner .partner-box:nth-child(n+3) {
    margin-top: 10px;
  }
  .about-nav .nav-all {
    flex-direction: column;
    align-items: flex-start;
    padding: 10px 0;
    height: auto;
  }
  .about-nav .nav-list {
    margin-top: 5px;
  }
  .prod .prod-box .prod-tit {
    font-size: 14px;
    line-height: 36px;
    margin-bottom: 0;
  }
  .prod .prod-btn {
    font-size: 12px;
    line-height: 14px;
  }
}