/* 默认隐藏移动端元素 */
.mobile-menu-toggle {
  display: none;
}

.mobile-nav {
  display: none;
}

.mobile-nav-overlay {
  display: none;
}

.mobile-nav {
  display: none;
}

.mb-show{
  display: none;
}
.mb-hide{
  display: block;
}

.aside {
  z-index: 100;
  position: fixed;
  top: 50%;
  right: 27px;
  width: 60px;
  -webkit-box-shadow: 0rem 0.625rem 0.625rem 0rem rgba(0, 0, 0, 0.1);
          box-shadow: 0rem 0.625rem 0.625rem 0rem rgba(0, 0, 0, 0.1);
}

.aside-online i {
  background-position-y: 0 !important;
}

.aside-tel i {
  background-position-y: -64px !important;
}

.aside-info i {
  background-position-y: -126px !important;
}

.aside-qrcode i {
  background-position-y: -184px !important;
}

.aside-totop i {
  background-position-y: -243px !important;
}

.aside a {
  position: relative;
  display: block;
  width: 100%;
  height: 60px;
  text-align: center;
  background-color: #fff;
  border-top: 1px solid #e5e5e5;
  -webkit-transition: all .23s ease-in-out;
  transition: all .23s ease-in-out;
  cursor: pointer;
}

.aside a p {
  margin-top: 6px;
  font-size: 12px;
  color: #85909c;
  -webkit-transition: all .23s ease-in-out;
  transition: all .23s ease-in-out;
}

.aside a.aside-totop {
  opacity: 0 !important;
  visibility: hidden !important;
  height: 0;
}

.aside a.aside-totop.aside-totop.show {
  opacity: 1 !important;
  visibility: visible !important;
  height: 60px;
}

.aside a:hover .aside-qrcode-wrap {
  -webkit-transform: scale(1);
          transform: scale(1);
}

.aside a .aside-qrcode-wrap {
  position: absolute;
  left: -128px;
  width: 128px;
  top: -68px;
  -webkit-transform: scale(0);
          transform: scale(0);
  -webkit-transition: all .23s ease;
  transition: all .23s ease;
}

.aside a .aside-qrcode-wrap img {
  width: 100%;
}

.aside a:hover .aside-tel-wrap {
  color: #fff;
  -webkit-transform: scaleX(1);
          transform: scaleX(1);
}

.aside a .aside-tel-wrap {
  display: block;
  width: 200px;
  height: 60px;
  line-height: 60px;
  background-color: #0098a1;
  position: absolute;
  left: -200px;
  top: 0;
  font-size: 18px;
  -webkit-transform: scaleX(0);
          transform: scaleX(0);
  -webkit-transition: all .23s ease;
  transition: all .23s ease;
}

.aside a .aside-tel-wrap:hover {
  color: #fff;
}

.aside #totop i {
  height: 100%;
}

.aside a:hover,
.aside a.on {
  background-color: #0098a1;
  color: #fff;
}

.aside a:hover:hover i,
.aside a.on:hover i {
  background: url(../img/aside_bg_hover.png) center no-repeat;
}

.aside a:hover p,
.aside a.on p {
  color: #fff;
}

.aside a:first-child {
  border-top: 0;
}

.aside a:last-child {
  background-color: #0098a1;
  color: #fff;
}

.aside a::before {
  display: table-cell;
  content: "";
  width: 100%;
  height: 100%;
}

.aside a i {
  width: 100%;
  height: calc(100% - 28px);
  display: block;
  background: url(../img/aside_bg.png) center no-repeat;
  -webkit-transition: all .3s;
  transition: all .3s;
}
.aside-totop{
  cursor: pointer;
}


@media screen and (max-width: 767px) {
  .aside {
    display: none;
  }
}




@media (max-width: 1440px) {
  footer {
    height: auto;
  }
  footer .footer-main {
    height: auto;
    overflow: visible;
    display: flex;
    flex-direction: column;
  }
  footer .footer-right{
    padding-top: 30px;
    padding-left: 0;
  }
  .footer-right{
    display: flex;
  }
  .RGP-Banner,
  .classroomBanner,
  .OK-Banner,
  .aboutBanner{
    position: relative;
    height: 40vh;
  }

  .RGP-Banner img,
  .classroomBanner img,
  .OK-Banner img,
  .aboutBanner img {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .breadcrumb{
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
  }
  .breadcrumb h3,
  .aboutBanner h3 {
    margin-top: 0;
  }
  .banner-img-box {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
  }

  .certificate {
    margin-top: 0;
    display: flex;
    flex-direction: column-reverse;
  }
  .certificate .contain{
    position: static;
  }
  .certificate img {
    position: relative;
    z-index: -1;
    margin-top: -240px;
  }

  .RGP-main{
    padding-top: 30px;
  }
  .RGP-main .contain > h3{
    margin-bottom: 25px;
  }
  .Ok-series{
    margin-top: 30px;
  }
  .appIcon{
    display: none;
  }
}

@media (max-width: 1250px) {
  body{
    overflow-x: hidden;
  }

  .contain{
    max-width: 1058px;
    width: calc(100% - 30px);
    margin: 0 auto;
    padding: 0 10px 60px;
  }

  .header{
    height: 60px;
  }
  main{
    padding-top: 60px;
  }

  .nav-list {
    display: none;
  }

  .logo{
    margin-top: 0;
    width: 170px;
    height: auto;
    margin-left: 25px;
  }

  /* 显示汉堡菜单按钮 */
  .mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 30px;
    height: 30px;
    cursor: pointer;
    padding: 5px;
    transition: all 0.3s ease;
    position: absolute;
    z-index: 1001;
    top: 50%;
    margin-top: -15px;
    right: 30px;
  }
  
  .hamburger-line {
    width: 20px;
    height: 2px;
    background-color: #1e2c4e;
    margin: 2px 0;
    transition: all 0.3s ease;
    transform-origin: center;
  }
  
  /* 汉堡菜单激活状态 */
  .mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
  }
  
  .mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
  }
/*   
  .contain {
    padding-left:0;
    padding-right:0;
  } */

  /* 移动端菜单容器 */
  .mobile-nav {
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    height: calc(100vh - 60px);
    background: #1e2c4e;
    transform: translateY(-100%);
    transition: all 0.3s ease;
    z-index: 1000;
    padding-top: 10px;
    overflow-y: auto;
    visibility: hidden;
    opacity: 0;
  }
  
  .mobile-nav.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  
  /* 移动端菜单列表 */
  .mobile-nav-menu {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  
  .mobile-nav-menu li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .mobile-nav-menu > li > a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: background-color 0.3s ease;
  }
  
  .mobile-nav-menu > li > a:hover {
    background-color: #1e2c4e;
  }
  
  /* 移动端下拉箭头 */
  .mobile-dropdown-arrow {
    font-size: 25px;
    line-height: 18px;
    font-weight: bold;
    transition: transform 0.3s ease;
  }
  
  .mobile-nav-item-with-submenu.active .mobile-dropdown-arrow {
    transform: rotate(45deg);
  }
  
  /* 移动端子菜单 */
  .mobile-submenu {
    list-style: none;
    padding: 0;
    margin: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background-color: #1e2c4e;
  }
  
  .mobile-nav-item-with-submenu.active .mobile-submenu {
    max-height: 500px;
  }
  
  .mobile-submenu li a {
    display: block;
    padding: 12px 40px;
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    opacity: 0.9;
    transition: all 0.3s ease;
  }
  
  .mobile-submenu li a:hover {
    background-color: #1e2c4e;
    opacity: 1;
    padding-left: 45px;
  }
  
  /* 移动端语言切换 */
  .mobile-lang-section {
    padding: 20px;
    border-top: 1px solid #1e2c4e;
    margin-top: 20px;
  }
  
  .mobile-lang-section .lang-switcher {
    justify-content: center;
  }
  
  /* 移动端菜单遮罩 */
  .mobile-nav-overlay {
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    height: calc(100vh - 60px);
    background-color: #1e2c4e;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
  }
  
  .mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
  }
  
  /* 在1025px以下显示移动端元素 */
  .mobile-menu-toggle {
    display: flex;
  }
  
  .mobile-nav {
    display: block;
  }
  
  .mobile-nav-overlay {
    display: block;
  }

  .contact-us .contract-us-box {
    height: auto;
    padding-bottom: 30px;
  }

  .contact-us .contract-us-box .qes-input{
    max-width: 724px;
    width: calc(100% - 300px);
    height: 40px;
    border-radius: 20px;
    padding-left: 20px;
    padding-right: 20px;
    margin-left: 5%;
    margin-right: 0 !important;
    margin-top: 47px;
  }

  .company-introduce{
    height: auto;
    padding-bottom: 40px;
  }
  .company-introduce .content {
    width: 100% !important;
    max-width: calc(100% - 30px) !important;
  }

  .company-introduce .content .ci-info{
    display: flex;
    flex-direction: column;
    width: 100%;
    height: auto;
  }

  .classroom{
    margin-top: 10px;
  }
  .contact-us{
    height: auto !important;
    padding-top: 50px !important;
    padding-bottom: 50px !important;
  }

  .company-introduce .content{
    padding-top: 50px;
  }
  .mode-title-one{
    font-size: 26px;
  }
  .company-introduce .content .ci-info .ci-left{
    width: 100% !important;
  }
  .swiper-pointer-events.swiper-vertical{
    margin-top: 40px;
    margin-bottom: 40px;
    width: 100%;
  }

  .introduce-swiper {
    width: calc(100% - 30px)!important;
    max-width: 530px;
    height: 421px;
  }

  .product-show{
    padding-top: 50px;
    padding-bottom: 50px;
  }

  .btn-size-two{
    margin-top: 20px !important;
  }

  .product-show h3{
    font-size: 20px !important;
  }

  .classroom {
    margin-top: 30px;
    height: auto !important;
    padding-top: 50px !important;
  }

  .classroom-main{
    display: flex;
    flex-wrap: wrap;
    gap: 1.3334% !important;
  }
  .classroom-main .contain{
    padding-bottom: 0;
  }
  .classroom .box{
    /* margin-right: 3.3334% !important; */
    width: 31.3334% !important;
  }

  .history-main .box div{
    width: 100%;
  }
  .history-main .box .year {
    width: 48%;
  }
  .history-main .box .content {
    width: 46%;
  }

  .history-main .box div{

  }

  .path-nav:empty{
    display: none;
  }

  .banner .title,
  .about-title h3,
  ._title{
    font-size: 20px;
    padding: 4px 0;
  }

  .endorsement{
    margin-top: 70px;
  }

  .OK-Adv {
    padding-top: 10px;
  }

  .OK-Adv .contain{
    padding-bottom: 0;
  }
  .Adv-top{
    margin-bottom: 40px;
  }
  .Adv-bottom{
    margin-bottom: 0;
  }

  footer {
    height: auto !important;
  }

  .endorsement .endorsement-right{
    width: 100%;
    margin-bottom: 0;
  }
  .history .contain{
    padding-bottom: 0;
  }
  .endorsement .contain {
    padding-bottom: 0;
  }
  .factory{
    margin-top: 10px;
  }
  .factory-box{
    display: flex;
  }
  .factory-box .box-left,
  .factory-box .box-right {
    width: 48.5%;
  }

  .factory h4,
  .aboutBanner h4{
    font-size: 18px;
  }
  .factory .contain{
    padding-bottom: 0;
  }
  .certificate {
    margin-top: 0;
  }

  .history{
    margin-top: 20px;
  }
  .aboutBanner h3{
    font-size: 28px;
  }
  .aboutBanner h4{
    margin-top: 10px;
  }
  .copyright{
    padding: 0 30px;
  }
  .copyright a{
    color: #fff;
  }
  #pages {
    margin: 0 auto !important;
  }
  ._page_container {
    margin: 20px auto 30px !important;
  }

  .classroom-main{
    margin-top: 40px;
  }

  .classroom-content .box,
  .classroom-video .box{
    width: 48%;
    margin-right: 0;
  }

  .classroom-content {
    margin-top: 40px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
  }

  .service-search{
    padding-bottom: 0;
  }

  main>.breadcrumb>.contain{
    display: none;
  }

  footer .footer-main{
    padding-top: 30px;
    height: auto !important;
  }
  .footer-main{
    display: flex;
    flex-direction: column;
  }
  .footer-right{
    padding-top: 40px;
  }
  .appIcon{
    display: none;
  }

  .faq-nav {
    width: 100% !important;
  }

  .Ok-series + .faq {
    margin-top: 20px;
    margin-bottom: 30px;
  }
  .OK-Adv + .faq {
    margin-bottom: 20px;
  }

  .RGP-right .swiper-pointer-events.swiper-vertical{
    margin-top: 0px;
    margin-bottom: 0px;
  }


}

@media (max-width: 1100px) {
  .RGP-left,
  .RGP-right{
    width: 100%;
  }
  .RGP-right{
    overflow: hidden;
  }

}

@media (max-width: 1024px) {

  .banner .title {
    position: absolute;
    top: 50% !important;
    transform: translateY(-50%) !important;
  }
  .con-box {
    margin-top: 20px;
  }
  .xs-box{
    display: flex;
    height: auto !important;
  }
  .xs-box .box-left .date{
    font-size: 14px;
  }
  .xs-box .box-left {
    flex: 1;
  }

  .detail-main{
    padding-bottom: 0;
  }
  .detail-main .contain{
    display: flex;
    flex-direction: column-reverse;
  }
  .detail-main .detail-right {
    margin-top: 20px;
    width: 100% !important;
  }
  .detail-main .detail-title{
    font-size: 20px;
    margin-bottom: 10px;
  }
  .detail-left{
    margin-top: 20px;
    width: 100%;
  }
  .detail-nav {
    display: none;
  }
  .detail-content img {
    max-width: 100% !important;
    height: auto !important;
  }

  .service-nav {
    display: flex;
    flex-wrap: wrap;
    height: auto !important;
  }
  .service-nav div, .service-nav h3{
    width: auto !important;
    padding: 0 40px;
    height: 36px;
    line-height: 36px;
  }
  .service-search{
    padding-top: 40px;
  }
  .faq-nav-main img{
    top: -200px;
    bottom: unset;
  }
  .faq .contain{
    padding-bottom: 0;
  }

  .contact-form ul,
  .contact-form{
    width: 100% !important;
  }
  .contact-main .contain{
    padding-bottom: 0;
  }
  .contact-main ._title {
    margin-bottom: 30px;
    margin-top: 30px;
  }
  .contact-main .breadcrumb{
    display: none;
  }

  .RGP-right{
    position: relative;
    padding: 0 !important;
    height: 0 !important;
    padding-bottom: 72.14% !important;
  }
  .RGP-right .swiper{
    width: 100% !important;
    height: 100% !important;
    position: absolute;
    top: 0;
    left: 0;
  }
  .RGP-right .swiper-slide img {
    width: 100% !important;
    height: 100% !important;
  }
}

@media (max-width: 880px) {
  .product-show-main .swiper-wrapper{
    display: flex;
    justify-content: space-between;
  }
  /* .product-show-main .swiper-slide{
    width: 32%;
  } */

  .news-main{
    height: auto !important;
    display: flex;
    flex-direction: column;
    gap: 20px;
  }
  .news-main .news-left{
    width: 100% !important;
  }
  .news-main .news-right{
    width: 100% !important;
  }
  .news-right button{
    margin-top: 5px;
    float: none !important;
  }
  .news-right li>a {
    padding: 6px 0;
  }
  .news-right li span{
    line-height: 1.25 !important;
  }
  .news-right li:first-child,
  .news-right li{
    line-height: 1.25;
    height: auto !important;
    padding: 15px 0;
  }

  .footer-right {
    display: none;
  }
  .copyright{
    padding: 16px 0;
    height: auto !important;
    text-align: center;
  }
  .copyright a{
    line-height: 1.5;
    color: #fff;
  }
  .appIcon{
    display: none;
  }

  .aboutBanner {
    position: relative;
    height: 0 !important;
    padding-bottom: 40%;
  }
  .aboutBanner .aboutBannerImg {
    position: absolute;
    top: 0;
    width: 100%;
    height: 100%;
  }
  .aboutBanner .breadcrumb {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
  }

  .aboutBanner h3{
    margin-top: 0 !important;
    font-size: 20px;
  }
  

  .about-title h4{
    font-size: 16px;
  }

  .aboutBanner .contain{
    padding-bottom: 0;
  }

  .history-main{
    margin-top: 60px;
  }
  .history-main::after{
    left: 10px;
  }
  .history-main .box{
    margin-bottom: 80px;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }

  .history-main .box:nth-child(odd) .year,
  .history-main .box:nth-child(even) .year{
    text-align: left;
    padding-left: 38px;
    width: 100%;
  }

  .history-main .box:nth-child(odd) ::after,
  .history-main .box:nth-child(even) ::after{
    left: 0px !important;
  }
  .history-main .box:nth-child(odd) .content,
  .history-main .box:nth-child(even) .content{
    width: 100%;
    padding-left: 38px;
    margin-top: 20px;
  }
  .history-main .box:nth-child(even) .content .contentText{
    text-align: left;
  }
  .history-main .box ::after{
    background: url(../img/history-right.png) no-repeat !important;
  }
  .history-main .box:nth-child(odd) .year,
  .history-main .box:nth-child(even) .year{
    font-size: 32px;
    margin-top: -5px;
  }
  .history-main .box:nth-child(2n) .content h3 {
    float: left;
    border-bottom-right-radius: 18px;
    border-bottom-left-radius: 0;
  }
  .history-main .box:nth-child(2n) .content .contentText{
    border-top-left-radius: 0px;
    border-top-right-radius: 18px;
  }

  .certificate h1{
    font-size: 22px;
  }

  .detail-nav,
  .detail-nav .breadcrumb{
    display: none;
  }
  .detail-main{
    margin-top: 30px;
  }

  .Ok-table{
    overflow-x: auto;
  }
  .Ok-table table{
    width: 100%;
  }
  .Ok-table td,
  .Ok-table th{
    padding: 0 10px;
  }

  .service{
    display: none;
  }

  .factory-box span{
    width: 100%;
    margin-top: 10px;
  }
}

@media (max-width: 800px) {
  .RGP-right{
    padding-bottom: 172.14% !important;
  }
}

@media (max-width: 768px) {
  .btn-size-one{
    width: auto !important;
    padding-left: 20px !important;
    padding-right: 20px !important;
  }
  .btn-green.btn-size-one .btn-size-one{
    margin-top: 0 !important;
  }
 
  .introduce-swiper{
    margin-top: 40px;
    margin-bottom: 40px;
  }
  /* .product-show-main .swiper-wrapper{
    flex-direction: column;
    gap: 22px;
  }
  .product-show-main .swiper-slide{
    width: 100% !important;
    margin: 0 auto;
    max-width: 400px;
  } */
  .btn-size-two {
    width: 134px;
    height: 34px;
    line-height: 34px;
    border-radius: 17px;
    font-size: 12px;
  }
  .product-show-main {
    height: auto;
  }
  .product-show-main .swiper-slide h3{
    margin-bottom: 0;
  }
  .banner-img-box{
    background: transparent !important;
  }
  .contact-us{
    display: none !important;
  }
  .contact-us .contract-us-box .qes-input {
    width: calc(100% - 40px - 5% - 60px - 5%) !important;
  }
  #search-btn{
    right: 151px !important;
  }
  .hot-search-word{
    padding-left: 5vw !important;
  }
  .content-cover ul {
    position: absolute;
    bottom: 20px;
  }

  .mode-title-one {
    font-size: 18px !important;
  }

  .classroom-main{
    margin-top: 20px !important;
  }
  .classroom .box{
    width: 100%;
    /* margin-bottom: 30px; */
  }

  footer .footer-main{
    height: auto !important;
  }

  .footer-left{
    float: none;
    padding-right: 0 !important;
  }
  .contact-us .contract-us-box .qes-input,
  .btn-size-one{
    margin-top: 20px !important;
  }
  .contact-us .contract-us-box{
    padding-bottom: 20px !important;
  }
  #search-btn {
    top: 30px !important;
    right: 146px !important;
  }
  .footer-form ul{
    width: 100%;
  }
  footer .footer-main {
    padding-top: 20px;
  }
.mobile-menu-toggle{
  right: 15px !important;
}
  .classroom .box{
    width: 100% !important;
    margin-right: 0;
  }
  .footer-form{
    margin-bottom: 30px;
  }

  footer .contain{
    padding-bottom: 20px;
  }

  .contact-us {
    padding-top: 20px !important;
    padding-bottom: 20px !important;
  }

  .company-introduce .content .ci-info {
    position: relative;
    margin-top: 10px !important;
  }
  .company-introduce .introduce-swiper-pagination{
    right: 34px !important;
    z-index: 999;
    bottom: 34px !important;
  }

  .news .contain{
    padding-bottom: 40px;
  }

  .company-introduce .content .ci-info .ci-left{
    padding: 25px 26px 0px 26px;
  }

  .classroom {
    margin-top: 0;
  }

  .footer-left h3{
    font-size: 20px;
  }

  .footer-left h4{
    margin-top: 23px;
  }

  .Adv-bottom .box{
    width: 100% !important;
    margin-right: 0 !important;
    margin-bottom: 30px;
  }

  .Adv-bottom .box img{
    width: 40px;
    height: 30px;
  }

  .faq ._title{
    margin-bottom: 20px !important;
  }
  .faq{
    margin-bottom: 0;
  }

  .Adv-bottom .box>div{
    width: 100%;
  }

  .Adv-bottom .box h3 {
    display: flex;
  }
  .box h3 > div:last-child {
    margin-left: 12px;
    flex: 1;
  }

  .history-main .box:nth-child(2n+1) .year, 
  .history-main .box:nth-child(2n) .year{
    font-size: 24px;  
  }
  .factory-box .box-left{
    margin-bottom: 20px;
  }
  .factory-box .box-left, .factory-box .box-right{
    width: 100% !important;
  }
  .certificate img {
    position: relative;
    z-index: -1;
    margin-top: -100px;
  }
  .certificate h1{
    font-size: 18px;
  }

  .aboutBanner img{
    object-fit: cover;
  }
  .aboutBanner{
    padding-bottom: 42vh;
  }
  .xs-box {
    display: flex;
    flex-direction: column;
  }
  .box-right{
    width: 100% !important;
    display: flex;
    flex-direction: column-reverse;
    gap: 10px;
  }
  .box-right img{
    margin-top: 0 !important;
    width: 100% !important;
    height: 50% !important;
    object-fit: cover;
  }
  .path-nav{
    display: none;
  }
  .banner img{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .breadcrumb h3 {
    padding-bottom: 5px;
  }
  .banner{
    /* margin-top: 20px; */
    height: 0;
    padding-bottom: 30vh;
    border-radius: 10px;
  }
  .banner .title {
    left: 30px;
  }

  .service + .contain {
    padding-bottom: 0;
  }

  .faq-table{
    margin-bottom: 30px;
  }
  .faq-thead div, .faq-td{
    line-height: 45px;
  }
  .Adv-top > div:nth-child(2) span{
    margin: 0 20px;
  }
  .Adv-top img {
    width: 100%;
  }
  .Adv-top > div:nth-child(3){
    width: 100% !important;
  }
  .Adv-top > div:nth-child(2)::before,
  .Adv-top > div:nth-child(2)::after{
    display: none;
  }
  .Adv-top > div:nth-child(2) {
    margin-top: 0;
  }

  .classroom-content .box, .classroom-video .box{
    width: 100% !important;
    margin-right: 0 !important;
    margin-bottom: 30px !important;
  }
  .faq-nav{
    display: flex;
  }
  .faq-nav div{
    height: 45px;
    line-height: 45px;
  }

  .contain{
    padding: 0 5px;
  }

  .classroom .box a:nth-child(2){
    margin-bottom: 10px;
  }

  .history-main .box {
    margin-bottom: 30px;
  }
  .detail-page {
    margin-bottom: 30px;
  }
  
  .btn-size-six{
    width: calc(100vw - 60px);
  }
  .OK-Adv ._title{
    margin-bottom: 20px !important;
  }
  .Ok-table img{
    width: 80px;
  }
  .Ok-table th{
    font-size: 15px;
  }
  .Ok-table thead td:last-child,
  .Ok-table thead th:last-child {
    min-width: 200px !important;
  }

  .news-img{
    width: 100%;
    height: 240px !important; 
    object-fit: cover !important;
  }

  .introduce-swiper{
    height: 285px;
  }

   #myform .qes-input{
    margin-left: 0;
    width: calc(90% - 75px) !important;
    height: 32px !important;
    padding-left: 15px !important;
    line-height: 32px !important;
    margin-top: 10px !important;
  }
  #myform #search-btn{
    width: 19px !important;
    position: absolute;
    top: 18px !important;
    right: 122px !important;
  }
  .contact-us .contract-us-box {
    border: 0 !important;
    padding-bottom: 10px !important;
  }
  .contact-us {
    background: linear-gradient(to right, #dbf9ff, #feffff);
    padding-top: 0 !important; 
    padding-bottom: 0 !important; 
  }
  #myform .btn-size-one{
    margin-top: 10px !important;
    height: 32px !important;
    line-height: 34px !important;
  }
  #myform .hot-search-word {
    margin-top: 6px !important;
    padding-left: 1vw !important;
  }

}

@media (max-width: 640px) {
  .breadcrumb h3,
  .aboutBanner h4,
  .aboutBanner h3 {
    font-size: 16px;
  }
  .classroomBanner {
    height: 30vh;
  }
  .classroomBanner .contain{
    padding-bottom: 0;
  }
  .certificate img {
    margin-top: -50px;
  }
  .OK-Banner {
    height: 30vh !important;
  }
  .classroomBanner{
    height: 22vh !important;
  }
  .RGP-Banner{
    height: 28vh !important;
  }
  .aboutBanner{
    padding-bottom: 32vh !important;
  }
  .aboutBanner .breadcrumb{
    padding: 0 !important;
  }
  .history-main {
    margin-top: 20px;
  }
  .endorsement{
    margin-top: 30px;
  }
  .endorsement .about-title h3{
    margin-bottom: 0;
  }
  .endorsement .endorsement-left h4,
  .endorsement .endorsement-left h3{
    font-size: 18px;
  }
  .factory .about-title h4{
    margin-bottom: 30px;
  }
  .certificate .about-title h3{
    margin-bottom: 25px;
  }
  .history-main .box:nth-child(2n+1) .year, .history-main .box:nth-child(2n) .year{
    font-size: 20px;
  }
  .history-main .box:nth-child(2n+1) .content, .history-main .box:nth-child(2n) .content{
    margin-top:10px;
  }
  .future-img {
    margin-left: -9px !important;
  }
  #history {
    top: -60px !important;
  }
  #qwbs {
    top: -60px !important;
  }
  #factory {
    top: -60px !important;
  }
  #reg {
    top: -60px !important;
  }
  .factory-nav{
    margin-top: 20px;
  }
  .aboutBanner h3{
    font-size: 18px;
  }
  .aboutBanner h4#history{
    font-size: 14px;
    font-weight: normal;
  }
  .faq .contain{
    padding-bottom: 20px;
  }
  .faq{
    margin-top: 20px;
  }

  .mb-hide{
    display: none;
  }
  .mb-show{
    display: block;
  }
  .footer-qrcode{
    margin-left: auto;
    margin-right: auto;
  }
}