@media (max-width: 2561px) {
  .container {
    max-width: 1680px;
  }

}
@media (max-width: 1920px) {
  .container {
    max-width: 1580px;
  }
}

@media (max-width: 1680px) {
  .container {
    max-width: 1320px;
  }
  .btn-prev { left: 3%;}
  .btn-next {
    right: 3%;
}
.nav-menu li:nth-child(3).drop-down ul { width: 140%; left: -20%;}
#thumbs {
  width: 70%;
}
}

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

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

  .banner_txt b {
    display: block;
    font-size: 32px;
    color: #fff;
    margin: 20px 0;
    text-shadow: none;
    padding-left: 5%;
}
.banner_txt span{ padding-left: 5%;}
.nav-menu li:nth-child(3).drop-down ul { width: 180%; left: -40%;}
.ab_list2 li b { font-size: 34px;}
#thumbs {
  width: 78%;
}
.news { padding-top: 10px;}
}
@media screen and (max-width:1024px) {
  .container {
    max-width: 1000px;
  }
  #thumbs {
    width: 100%;
    margin-top: 30px;
  }
  .prbg {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}
.banner_mouse  { display: none;}

}
@media screen and (max-width:990px) {

  /*头部*/
  .back-to-top {
    display: none !important;
  }

  .language {
    display: none;
  }
  #header.header-transparent { background: #fff;}
  #header {
    height: 70px;
  }
#banner { margin-top: 70px;}

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

  .top-box .logo img {
    max-height: 55px;
  }




  /*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*/
  .ab_bottom {
    background: url(../images/about.jpg) no-repeat bottom;
    height: 400px;
  }

  .ab_list2 {
    width: 100%;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    margin-top: 30px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.2);
    position: relative;
    left: 0;

  }

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

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

  .about_fr {
    width: 100%;
  }

#gallery .swiper-slide .product-box .pro_con {
  width: 50%;
  padding: 1%;
}
#gallery .swiper-slide .product-box .pro_con .product_icon { display: none;}
.tj_tu .swiper-button-next, .tj_tu .swiper-button-prev { top: 30%; width: 35px; height: 35px; line-height: 35px;}
.tj_tu .swiper-button-next { right: 0;}
.tj_tu .swiper-button-prev { left: 0;}
  .hz-tu {
    float: left;
    width: 50%;
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    margin: 0 auto;
    z-index: 1;
  }

  .hz-tu img {
    opacity: 0.3;
  }

  .hezuo {
    padding-bottom: 80px;
    margin-top: 30px;
    width: 100%;
    float: right;
    position: relative;
    z-index: 99;
  }
  .fot_bg p { font-size: 32px;}
  /*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-item , .foot .ft-contact{
    display: none;
  }
}

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

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

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

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

  /*about*/
  .about {
    padding: 20px 0 0;

  }

  .about_txt {
    font-size: 15px;
    line-height: 24px;
    margin: 15px auto;
    width: 88%;

  }

  .ab_list2 {

    margin-top: 30px;
    margin-bottom: 20px;
    align-items: flex-start;

  }

  .ab_list2 li {

    font-size: 15px;
  }

  .ab_list2 li b {

    font-size: 28px;

  }

  .ab_list2 li i {
    font-size: 14px;
    top: -10px;


  }
.product { margin-top: 30px;}
.tj_tu .swiper-container-thumbs .swiper-slide {
  background: rgba(255, 255, 255, .1);
  margin: 5px;
  padding: 15px 0;
  font-size: 14px;
  cursor: pointer;
  color: #fff;
  width: calc(33.33% - 10px) !important;

}
#gallery .swiper-slide .product-box .pro_con .product_txt { font-size: 24px; margin-bottom: 20px;}
#thumbs .swiper-wrapper { align-items: stretch;}
  .ab_bottom b {
    font-size: 24px;

  }

  .ab_bottom p {
    font-size: 18px;

  }

  .hezuo .swiper-slide a {
    padding: 5px;
    margin: 8px;
  }

  .ab_bottom {
    background: url(../images/about.jpg) no-repeat bottom;
    height: 300px;

  }

  .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;

  }

  #gallery .swiper-slide .product-box .pro_con { width: 100%; padding: 0;}
  #gallery .swiper-slide .product-box .product_tu { width: 100%; margin-top: 30px;}
  #gallery .swiper-slide .product-box .container { padding: 10px;}
  #gallery .swiper-slide .product-box .pro_con .product_txt {display: none;}
  #gallery .swiper-slide .product-box .pro_con .product_title a { font-size: 14px;}
  #hyyy .swiper-button-next, #hyyy .swiper-button-prev { width: 35px; height: 35px; line-height: 35px;}
  .ncz{ display: contents;}
  .ncz .ncz_item { text-align: center; width: 100%;flex-direction: inherit; margin: 10px 0;}
  #hyyy .swiper-slide .upbg b{ display: none;}
}

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

  .pro_content {
    flex-direction: column;
  }

  .main_title {
    padding: 5px;
  }

  #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;


  }
  .banner_txt b { font-size: 20px;}
  .banner_txt span { font-size: 14px;}
  .main_title p b { font-size: 26px;}
  .main_title span{ font-size: 16px;}
  .tj_tu .swiper-container-thumbs .swiper-slide {
    background: rgba(255, 255, 255, .1);
    height: 60px;
    margin: 5px;
    padding:  0;
    font-size: 14px;
    cursor: pointer;
    color: #fff;
    width: calc(50% - 10px) !important;
    text-align: center;
  
  }
  .hzhb { padding: 30px 0; margin-top: 30px;}
  .fot_bg p { line-height: 38px; font-size: 24px;}
  /*news*/
  .news a {

    width: 100%;
  }

.ft-nav { padding: 10px;}
.banner_txt b { margin-bottom: 10px;}
.banner_txt { top:25%}
.qywh { flex-direction: column;}
.qywh .content { margin-bottom:30px;}
}

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

  .top-box .logo img {
    max-height: 40px;
  }

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

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

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

  .ab_bottom b {
    font-size: 20px;
  }

  .ab_bottom {
    background: url(../images/about.jpg) no-repeat bottom;
    height: 340px;
  }

  .ys {
    height: 100% !important;
  }

  .ys ul {
    flex-direction: column;
  }

  .ys li {
    position: relative;
    overflow: hidden;
    width: 100% !important;
    border-right: 2px solid #fff;
  }

  .img_ar {
    width: 100% !important;
  }
}