@media (max-width: 1920px) {
  .container {
    max-width: 1200px;
  }
}

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

  .nav-menu li a {
    padding: 0 5px;
  }

  .top-box .logo img {
    max-height: 60px;
  }

  #banner .swiper-button {
    display: none;
  }

}

@media screen and (max-width:1200px) {
  .container {
    width: 100%;
  }

  .top-box .logo {
    flex: auto;
  }

  .foot {
    padding: 30px 0;
  }

  .fot_bg p {
    font-size: 20px;
    line-height: 32px;
  }

  .nav_box {
    width: 80%;
  }
}

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

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

  #header {
    height: 70px;
    width: 100%;
  }

  #banner {
    position: relative;
    display: block;
    height: 50vh;
    width: 100vw;
    max-width: 100%;
  }

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

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

  .lang,
  .conta {
    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;
  }

  #header.header-transparent {
    background: #fff;
  }


  .foot_tel {
    width: 100%;
  }

  /*底部*/
  .foot {
    padding: 30px 0;
    display: flex;
    flex-wrap: wrap;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  .foot-logo {
    display: none;
  }

  .foot-logo img {
    width: 100%;
  }

  .foot_nav {
    display: none;
  }



  .foot {
    flex-wrap: wrap;
    flex-direction: row;
    justify-content: space-between;
  }

  .main_title {
    display: block;
    text-align: center;
  }

  .about {
    display: block;
  }



  .ab_tu {
    width: 100%;
  }

  .ab_txt {
    width: 100%;

  }

  .ab_tu {
    position: relative;
  }

  .tj_tu .swiper-container-thumbs .swiper-slide {
    margin: 5px;
    font-size: 16px;
    background: #fff;
    cursor: pointer;
    color: #333;
    width: calc((100% / 4) - 10px) !important;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .tj_tu .swiper-container-thumbs .swiper-slide a {
    padding: 15px 5px;
    font-size: 14px;
  }

  .line {
    height: 0;
  }

  .pro_box .container {
    padding: 0;
  }

  .main_span {
    text-align: center;
  }

  .tj_tu .swiper-button-prev {
    left: calc(50% - 80px);
    top: 100%;


  }

  .tj_tu .swiper-button-next {
    right: calc(50% - 80px);
    top: 100%;
  }

  .ser_py {
    flex-direction: column;
    margin-bottom: 20px;
  }

  .ser_py_txt {
    width: 100%;
  }

  .ser_py_txt img {
    margin-right: auto;
    margin-left: auto;
  }

  .ser_py_tu {
    width: 100%;
  }

  .yuyan {
    display: block;
  }
}

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

  /*头部*/
  #banner {
    position: relative;
    display: block;
    height: 80vh;
    width: 100vw;
    max-width: 100%;
  }

  .top-box .logo {
    justify-content: flex-start;
    height: 60px;
  }

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

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

  .product {
    margin-top: 10px;
  }

  .product ul li:nth-child(odd) {
    width: calc(50% - 5px);
    margin: 0;
    margin: 5px 5px 5px 0;
  }

  .product ul li:nth-child(even) {
    width: calc(50% - 5px);
    margin: 5px 0 5px 5px
  }

  .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;
  }

  .links{ padding-bottom: 65px;}
  .banner-slide-content p {

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

  }

  .bottom_nav {
    display: block;
  }

  .bottom_nav a span {
    margin: 0;
  }

  .bottom_nav a {
    flex-direction: column;
  }

  .bottom_nav a img {
    width: 26px;
  }

  .copyright {
    padding: 10px 0 55px;
  }

  .copyright i {
    float: none;
  }

  .main_title p b {
    font-size: 38px;
  }

  .scroll {
    display: none;
  }

  .pad80 {
    padding: 15px 0;
  }

  .main_title {
    font-size: 30px;
    margin-bottom: 10px;
  }

  .main_span {
    font-size: 18px;
  }

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

  .ab_bottom li a i {
    padding-bottom: 15px;
  }

  .ab_bottom li a p {
    font-size: 14px;
  }

  .fot_bg {
    height: 150px;
  }

  .tj_tu .swiper-button-next,
  .tj_tu .swiper-button-prev {
    display: none;
  }

  #hyyy .swiper-button-next,
  #hyyy .swiper-button-prev {
    position: absolute;
    top: 35%;

    width: 35px;
    height: 35px;
    text-align: center;
    line-height: 35px;
    font-size: 20px;


  }

  .news .news_con {
    flex-direction: column;
  }

  .news .news_con .newsfl {
    width: 100%;
  }

  .news .news_con .newsfr dl dd b {
    font-size: 18px;
  }

  .news .news_con .newsfl .ab_more {
    display: none;
  }

  .news .news_con .newsfr dl dd .newsmore2 {
    margin-top: 20px;
  }

  .news .news_con .newsfr {
    margin-top: 15px;
    padding-left: 0;
    width: 100%;
    border: 0;
  }

  .news .news_con .newsfr ul {
    flex-direction: column;
  }

  .news .news_con .newsfr ul {
    margin-top: 15px;
  }

  .news .news_con .newsfr ul li {
    height: auto;
    padding: 15px 10px;
    width: 100%;
    margin-bottom: 15px;
  }

  .news .news_con .newsfr ul li .newsmore2 {
    margin-top: 20px;
  }

  .foot .foot_tel b {
    width: 100%;
  }

  .ser_py_tu p img {
    height: auto;
  }
}

@media screen and (max-width:640px) {
  #banner {
    position: relative;
    display: block;
    height: 40vh;
    width: 100vw;
    max-width: 100%;
  }

  .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;


  }

  .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;
  }

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

  .product {
    margin-top: 10px;
  }

  .product ul li:nth-child(odd) {
    width: calc(50% - 5px);
    margin: 0;
    margin: 5px 5px 5px 0;
  }

  .product ul li:nth-child(even) {
    width: calc(50% - 5px);
    margin: 5px 0 5px 5px
  }

  .contact p {
    width: 100%;
  }

  .product ul li .upbg img {
    height: 80px;
    margin-bottom: 15px;
  }
}

@media screen and (max-width:480px) {
  #header {
    height: 50px;
  }

  #banner {
    position: relative;
    display: block;
    height: 20vh;
    width: 100vw;
    max-width: 100%;
  }

  .top-box .logo {
    justify-content: flex-start;
    height: 50px;
  }

  .top-box .logo img {
    max-height: 50px;
  }

  .mobile-nav-toggle {
    margin-top: 4px;
  }

  .mobile-nav-toggle i {
    width: 42px;
    height: 42px;
    line-height: 42px;

  }

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

  .main_title p b {
    font-size: 24px;
  }


  .banner-slide-content p {
    margin-top: 0;
    font-size: 12px;
  }

  .banner-slide-content .title {
    font-size: 14px;
    line-height: 24px;
  }

  #banner .swiper-slide .container {
    top: 13%
  }

  .foot {
    padding: 20px 0;
  }

  .foot b {
    margin-bottom: 15px;
  }

  .product ul li .upbg img {
    height: 50px;
    margin-bottom: 10px;
  }
}

@media screen and (max-width:360px) {
  #header {
    height: 50px;
  }

  .product ul li .upbg img {
    height: 40px;
    margin-bottom: 10px;
  }

  #banner {
    position: relative;
    display: block;
    height: 18vh;
    width: 100vw;
    max-width: 100%;
  }
}