@media (max-width: 840px) {
  .container .navbar-nav > li > a {
    padding: 10px 15px;
    font-size: 16px;
    color: #fff;
  }
  .navbar-brand {
    height: 50px;
  }
  .bannercon {
    width: 100%;
    padding-top: 50px;
    text-align: center;
    background: none;
  }
  .banner_video{
    width: 100%;
    left: 0;
  }
  .chakra-heading-title {
    margin-bottom: 70px;
    font-size: 24px;
  }
  .chakra-heading-title > div {
    width: auto;
    margin: 0 auto;
    line-height: 50px;
  }
  .chakra-heading {
    width: auto;
  }
  .title {
    width: auto;
  }
  .newdiv {
    justify-content: center;
  }
  .line {
    margin: 20px auto 38px auto;
  }
  .box1conL h2 {
    font-size: 26px;
    text-align: center;
  }
  .box1conL p {
    text-align: center;
    font-size: 16px;
  }
  .box1 .box1con .box1conL .box1_a {
    margin: 30px auto 60px auto;
  }
  .box1conR img {
    height: 220px;
  }
  .newbox2 .newbox2_title {
    width: auto;
    color: #fff;
  }
  .newbox2 .box1conL a {
    margin: 0 auto;
  }
  .newearth {
    justify-content: center;
  }
  .box1conR {
    padding: 30px 0;
    justify-content: center;
  }
  .box3 {
    padding-top: 15px;
  }
  .newcol {
    margin-bottom: 30px;
  }
  .box6 img {
    margin-bottom: 30px;
  }
  .partner_content {
    width: 100%;
    text-align: center;
  }
  .footer_box {
    flex-direction: column;
  }
  .footer_box > div:nth-child(2) {
    order: 3;
  }
  .footer_box > div:nth-child(3) {
    margin: 20px 0;
  }
  .news_left_box > div:nth-child(1) {
    display: block;
  }
  .news_left_box > div:nth-child(2) {
    display: block;
    margin-top: 20px;
  }
  .news_div {
    margin-left: 0px;
  }
  .news_content {
    width: auto;
  }
  .news_left_box {
    display: block;
  }
  .news_right_content a {
    width: auto;
  }
  .box6 > h2 {
    font-size: 28px;
  }

  .newbanner {
    height: 250px;
  }
  .banner_title p {
    font-size: 24px;
    line-height: 30px;
  }
  .banner_line {
    width: 350px;
  }
  .content {
    flex-wrap: wrap;
  }
  .content > div {
    width: 33%;
  }
  .container .content p {
    margin-top: 5px;
    font-size: 18px;
  }
  .content img {
    margin-bottom: 0;
  }
  .ecology {
    padding: 50px 0;
  }
  .container .ecology_box {
    display: block;
  }
  .container .ecology_box .ecology_box_content {
    padding: 5px 10px;
    width: auto;
    margin-bottom: 20px;
  }
  .container .ecology_link {
    margin-top: 50px;
  }

  .buy_box {
    display: block;
  }
  .info h3{
    font-size: 18px;
    margin-bottom: 25px;
    line-height: 36px;
  }
  .information {
    width: auto;
  }


  .new_const_box .corner{
    margin: 0 auto;
    margin-top: 10px;
  }
  .left_title{
    margin: 0 10px;
  }
  .new_const_box{
    width: auto;
  }
  .newbox2 .line1 {
    width: 60px;
    
  }
  .newbox2 .font {
    font-size: 24px;
  }
  .newbox2 .oldh2 {
    display: flex;
    justify-content: center;
    align-items: center;
  }
}