@media (max-width: 1920px) {
  .container {
    max-width: 1480px;
  }
}


@media screen and (max-width:1440px) {
  .container {
    max-width: 1280px;
  }


  .more {
    margin-top: 30px;
  }

}

@media screen and (max-width:1280px) {
  .container {
    max-width: 1200px;
  }

  .more {
    margin-top: 10px;
  }
  .pro_list a {
    height: 335px;
  }


}

@media screen and (max-width:990px) {
  .mobile-menu-hamburger { display: block; width: 30%; text-align: right; }
  /*头部*/
  .back-to-top {
    display: none !important;
  }

  .h_language { display: none;}

  #header {
    height: 70px;
  }
  #banner { margin-top: 70px;}
  .top-box  { height: 70px;}
  .top-box .logo {
    justify-content: flex-start;
    height: 70px;
  }

  .top-box .logo img {
    max-height: 55px;
  }
   .top-box .logo .logo-tu1 {
    display: none;
  }
  
 .top-box .logo .logo-tu2 {
    display: block !important;
  }
  .sfixed {
    position: fixed;
    top: 70px;
    left: 0;
    z-index: 99;
    box-shadow: 1px 1px 2px #eee;
    -webkit-box-shadow: 1px 1px 2px #eee
  }
  .nav_fr { display: none;}
  /*banner*/
  #banner .swiper-button {
    display: none;
  }

  #banner .swiper-container-horizontal>.swiper-pagination-bullets, .swiper-pagination-custom, .swiper-pagination-fraction {
    bottom: 10px;

  }

  #banner .swiper-slide .pcimg {
    display: none !important;
  }

  #banner .swiper-slide .mobimg {
    display: block !important;
  }

  /*about*/

  .about-box {
    flex-direction: column;
  }

  .about_fl {
    width: 100%;
    padding-right: 0;

  }

  .about_fr {
    width: 100%;
    margin-top: 0px;
    padding: 0;
  }

  .hz-tu {
    float: left;
    width: 50%;
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    margin: 0 auto;
    z-index: 1;
  }

  #thumbs {
    position: relative;
    width: 100%;
  }

  #gallery .swiper-slide .product-box p {
    margin-bottom: 30px;
  }

  .more {
    margin-top: 20px;
  }
  .news-box { flex-direction: column;}
  .news-one { width: 100%;}
  .news-two { width: 100%; margin-left: 0; margin-top: 10px;}
  .footer-nav{ display: none;}
  .scroll { display: none;}
  /*底部*/
  .foot {
    padding: 30px 0;
    display: flex;
    flex-wrap: wrap;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  .foot .ft-contact {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    padding: 10px;
    text-align: center;
  }

  .foot .ft-contact img {
    margin: 0 auto;
  }

  .foot .ft-contact b {
    text-align: center;
    width: 100%;
  }

  .foot .ft-nav .ft-nav-list {
    display: none;
  }
  #header.header-transparent {
    background: #fff;
  }
.pad80 { padding: 40px 0;}

.main_title .m_p1 { font-size: 30px;}
.main_title .m_p3 { font-size: 24px;}
.about_fl { padding-left: 0;}
.ft-logo { display: flex; justify-content: center; flex-direction: column; width: 100%;}
.ft-logo img { width: auto; margin-left: auto; margin-right: auto; display: block;}
.banner_txt b { font-size: 26px; margin: 10px 0;}
.banner_txt span { font-size: 18px;}
.bottom_nav { display: block;}
}

@media screen and (max-width:768px) {

  /*头部*/
  #header {
    height: 60px;
  }
  #banner { margin-top: 60px;}
  .top-box  { height: 60px;}
  .top-box .logo {
    justify-content: flex-start;
    height: 60px;
  }

  .top-box .logo img {
    max-height: 45px;
  }

  .mobile-nav-toggle {
    top: 5px;
  }

  .sfixed {
    position: fixed;
    top: 60px;
    left: 0;
    z-index: 99;
    box-shadow: 1px 1px 2px #eee;
    -webkit-box-shadow: 1px 1px 2px #eee
  }

  .product-intro-b .list-b li {
    float: left;
    width: 33.33%;
    background: url(../images/pro11.jpg) no-repeat left center;
    font-size: 16px;
    line-height: 55px;
    height: 55px;

  }

  /*about*/

  .banner-slide-content .title {
    font-size: 20px;
    line-height: 32px;
    font-weight: 500;
    color: #fff;
    display: block;
    margin-bottom: 15px;
    letter-spacing: -0.25px;
    text-transform: capitalize;
  }


  .banner-slide-content p {

    font-size: 18px;
    font-family: "Poppins", sans-serif;
    color: #fff;

  }

  .index1 li {
    height: 278px;
    width: 100%;
  }

  .index1 li .pad {
    padding: 30px;
  }

  .index1 li .tit span {
    margin-left: 0;
  }

  #gallery .swiper-slide .img-tu {
    width: 100%;
  }

  #gallery .swiper-slide {
    flex-direction: column;
  }

  #gallery .swiper-slide .product-box {
    width: 100%;
  }

  .news-two ul li {
    width: 100%;
    margin-bottom: 0;
  }

  .news-two a {
    margin: 10px 0;
  }

  .foot .ft-contact {
    width: 100%;
    margin-top: 0;
  }

  .news-fl {
    width: 100%;
  }

  .news-fr {
    display: none;
  }



  .main_title p b {
    font-size: 30px;
    line-height: 40px;
  }

  #gallery .swiper-slide .product-box p {
    font-size: 30px;
    line-height: 40px;
  }

  #gallery .swiper-slide .product-box b {
    line-height: 40px;
    font-size: 26px;
  }

  .tj_tu .swiper-container-thumbs .swiper-slide {
    font-size: 14px;
  }


  .fwsh_list li {
    width: calc(50% - 2px);

    border: 1px solid #f1f1f1;
    margin-left: -1px;
    margin-bottom: -1px;


  }

  .ys-box {
    display: flex;
    align-items: stretch;
    place-content: stretch center;
    flex-direction: column;
  }

  #youshi .ys-box:nth-child(2) {
    flex-direction: column-reverse;
  }

  #youshi .ys-box:nth-child(4) {
    flex-direction: column-reverse;
  }

  #youshi .ys-box:last-child {
    flex-direction: column-reverse;
  }

  .ys-cont {
    margin: 10px;
  }

  .ys-cont2 {
    margin: 10px;
  }
  #gallery .swiper-slide .product-box .container { flex-direction: column;}
  #gallery .swiper-slide .product-box .pro_con { width: 100%; padding: 20px;}
  #gallery .swiper-slide .product-box .product_tu { width: 100%;}
  #case .swiper-slide { margin: 0;}
  #case .swiper-slide-active, .swiper-slide-duplicate-active {
    -webkit-transform: scale(1);
    transform: scale(1);
    z-index: 1002;
  }
  #case .swiper-container { padding: 0; margin: 0;}
  .pad80 { padding: 20px 0;}
  .main_title .m_p1 { font-size: 30px;}
  .main_title .m_p2 { font-size: 20px;}
  .main_title .m_p3 { font-size: 26px;}
  .about_fl .ab_txt { font-size: 15px;}
  .tj_tu .swiper-container-thumbs .swiper-slide a { font-size: 16px;}
  #gallery .swiper-slide .product-box .pro_con .product_txt { font-size: 20px; margin-bottom: 0;}
  .sl_info { font-size: 24px;}
  .bottom_nav_item img { max-height: 28px;}
  .product-box { flex-direction: column;}
  .pro-fl { width: 100%; margin: 0;}
  .pro-fr { width: 100%;}
  .service-con .ser-item { width: 50%;}
  .news_fl { flex-direction: column;}
  .news_fl .tuij{ width: 100%;}
  .news_fl ul { width: 100%;}

}

@media screen and (max-width:640px) {

  .banner_txt b { font-size: 20px; margin: 10px 0;}
  .banner_txt span { font-size: 14px;}
  #banner .swiper-slide .container {
    position: absolute;
    left: 0;
    right: 0;
    top: 33%;
    bottom: 0;
    margin: 0 auto;
  }

  .banner-slide-content .title {
    font-size: 16px;
    line-height: 28px;
    font-weight: 500;
    color: #fff;
    display: block;
    margin-bottom: 10px;

  }


  .banner-slide-content p {

    font-size: 14px;
    font-family: "Poppins", sans-serif;
    color: #fff;


  }

  .foot .ft-contact {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    padding: 10px;
  }

  .foot .ft-contact {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    padding: 10px;
  }
  .foot .ft-nav { width: 100%;}
  #gallery .swiper-slide .product-box .pro_con { padding: 10px;}
  .product { padding: 20px 0;}
  .main_title .m_p1 { font-size: 24px;}
  .main_title .m_p2 { font-size: 16px;}
  .tit_box .more{ display: none;}
  .product-box { margin-top: 0;}
  .pro_list a { height: auto; }
  .pro_txt b { font-size: 18px;}
  .pro_list a { padding: 5px;}
  .pro-fr .pro_txt { font-size: 18px; left: 0; text-align: center;}
  .pro-fr .ab_more2 { text-align: center;}
  .pro_list a { margin-left: 0; margin-right: 0; width: calc(50% - 10px);}
  .ys { padding-top: 30px;}
  .footer { padding: 20px 0 40px 0;}
  .footer-contact { flex-direction: column;}
  .copyright { margin-top: 0;}
  .news-two li a { padding: 10px;}
  .main_title  { text-align: center; width: 100%;}
  .service-con .ser-item { padding: 20px 10px;}
  .service-con .ser-item b { font-size: 18px;}
}

@media screen and (max-width:480px) {
  #header {
    height: 50px;
  }
  #banner { margin-top: 50px;}
  .top-box  { height: 50px;}
  .top-box .logo {
    justify-content: flex-start;
    height: 50px;
  }

  .top-box .logo img {
    max-height: 26px;
  }

  .mobile-nav-toggle {
    top: 0;
  }

  .about-box {
    flex-direction: column;
  }

  .about_fl {
    width: 100%;
    padding: 0;
  }

  .sfixed {
    position: fixed;
    top: 50px;
    left: 0;
    z-index: 99;
    box-shadow: 1px 1px 2px #eee;
    -webkit-box-shadow: 1px 1px 2px #eee
  }

  .product-intro-b .list-b li {
    float: left;
    width: 33.33%;
    background: url(../images/pro11.jpg) no-repeat left center;
    font-size: 16px;
    line-height: 50px;
    height: 50px;

  }
  .tj_tu .swiper-container-thumbs .swiper-slide { padding: 0;}
  .tj_tu .swiper-slide-thumb-active { background:#37B9AF; padding: 0;}
  #gallery .swiper-slide .product-box .pro_con { margin: 0;}
  .bottom_nav_item img { max-height: 22px;}
}