/**/
@media screen and (min-width: 1921px) and (max-width: 4000px) {
  html {
    font-size: 120px;
  }
}
@media screen and (min-width: 1441px) and (max-width: 1600px) {
  html {
    font-size: 90px;
  }
}
@media screen and (min-width: 1201px) and (max-width: 1440px) {
  html {
    font-size: 80px;
  }
}
@media screen and (min-width: 981px) and (max-width: 1200px) {
  html {
    font-size: 70px;
  }
}
@media screen and (min-width: 769px) and (max-width: 980px) {
  .header .nav {
    display: none;
  }

  .container {
    width: 100%;
    padding: 0 15px;
    max-width: 100%;
  }

  .hidden-xs {
    display: none;
  }
  .visible-xs {
    display: block;
  }
}

/**/
@media (max-width: 768px) {
  .m_nav {
    position: absolute;
    right: 0.15rem;
    top: 0.2rem;
    width: 25px;
    z-index: 99;
  }
  .m_nav i {
    display: block;
    height: 2px;
    background: #333;
    margin-bottom: 6px;
  }
  .cross i:nth-of-type(1) {
    -webkit-transform: translateY(8px) rotate(-45deg);
    -ms-transform: translateY(8px) rotate(-45deg);
    transform: translateY(8px) rotate(-45deg);
  }
  .cross i:nth-of-type(2) {
    opacity: 0;
  }
  .cross i:nth-of-type(3) {
    -webkit-transform: translateY(-8px) rotate(45deg);
    -ms-transform: translateY(-8px) rotate(45deg);
    transform: translateY(-8px) rotate(45deg);
  }
  .container {
    width: 100%;
    padding: 0 15px;
    max-width: 100%;
  }
  .header {
    position: sticky;
    top: 0;
    box-shadow: 0 0 0.1rem rgba(0, 0, 0, 0.1);
    background: #fff;
    z-index: 108;
  }

  .header .flex {
    padding: 0.1rem 0;
  }
  .hidden-xs,
  .header .nav,
  .header .side {
    display: none;
  }
  .visible-xs {
    display: block;
  }

  /**/
  .header .logo img {
    width: 0.4rem;
  }
  .footer {
    font-size: 0.12rem;
  }
  .footer .bd .in {
    display: block;
  }
  .footer .box {
    display: none;
  }
  .footer .ft .flex {
    display: block;
    text-align: center;
  }
  .footer .bd {
    padding: 0.2rem 0;
  }
  .footer .bd ol li {
    line-height: 0.22rem;
  }
  .banner_info img {
    height: 2rem;
  }
  .aboutus,
  .tab_info,
  .Packing,
  .banner_info,
  .Culture,
  .prodetail {
    font-size: 0.14rem;
  }
  .Contact,
  .Packing,
  .Release,
  .Culture {
    padding: 0.3rem 0;
  }
  .Contact .hd {
    font-size: 0.14rem;
    line-height: 0.22rem;
  }
  .aboutus .title,
  .banner_info .bd h3 {
    font-size: 0.24rem;
  }
  .aboutus .title:after {
    margin-top: 0.1rem;
  }
  .Contact .map {
    height: 3rem;
  }
  .Contact .bd {
    transform: translateY(0);
    padding: 0;
    margin-top: 0.2rem;
  }
  .Contact .bd .flex {
    display: block;
  }
  .Contact .bd .flex .side {
    width: 100%;
    padding: 0.3rem 0;
    height: auto;
  }
  .tab_info ul {
    white-space: nowrap;
    overflow-y: hidden;
    overflow-x: auto;
  }
  .tab_info a {
    height: 0.45rem;
  }
  .Packing {
    line-height: 0.24rem;
  }
  .Packing .code .box {
    width: auto;
    flex: 1;
  }
  .Packing .code .box + .box {
    margin-left: 0.15rem;
  }
  .Packing .code {
    margin-top: 0.2rem;
  }
  .Packing .ft {
    display: block;
  }
  .Packing .ft i {
    display: none;
  }
  .Packing .ft dl {
    width: 100%;
    height: auto;
    padding-bottom: 0.3rem;
    margin-top: 0.1rem;
  }
  .Packing .ft dl br {
    display: none;
  }
  .Packing .bd ul {
    margin: -0.05rem;
  }
  .Packing .bd ul li {
    width: 50%;
    padding: 0.05rem;
  }
  .Packing .bd ul li p {
    line-height: 0.4rem;
  }
  .Release .flex {
    display: block;
  }
  .Release .flex > .flex_item + .flex_item {
    margin: 0.15rem 0 0;
  }
  .Release .flex ul li {
    line-height: 0.3rem;
  }
  .Release .flex ul {
    margin: 0.15rem 0;
  }
  .Release .flex h3 {
    font-size: 0.2rem;
  }
  .Release .flex + .flex {
    margin-top: 0.2rem;
  }
  .Culture li {
    display: block;
  }
  .Culture li .box,
  .Culture li:nth-child(even) .box {
    padding: 0.15rem 0 0;
  }
  .Culture li p {
    line-height: 0.22rem;
  }
  .Culture li + li {
    margin-top: 0.2rem;
  }
  .Culture li .video {
    height: 3rem;
  }
  .prodetail .back {
    height: 0.45rem;
  }
  .prodetail .one {
    display: block;
  }
  .prodetail .one .banner {
    width: 100%;
    margin: 0 0 0.15rem 0;
  }
  .prodetail .one h1 {
    font-size: 0.2rem;
  }
  .prodetail .one h1:after {
    margin: 0.1rem 0;
  }
  .prodetail .one .bd ul li {
    line-height: 0.3rem;
  }
  .prodetail .two {
    padding: 0.3rem 0;
  }
  .prodetail .two .bd ul {
    padding: 0.15rem;
    line-height: 0.24rem;
  }
  .prodetail .two .bd ul li {
    align-items: stretch;
  }
  .prodetail .two .bd ul li span {
    width: 1.2rem;
  }
  .prodetail .two .ft ul {
    margin: -0.05rem;
    padding-bottom: 0.15rem;
  }
  .prodetail .two .ft ul li {
    width: 50%;
    padding: 0.05rem;
  }
  .prodetail .two .ft ul dl dd {
    line-height: 0.22rem;
  }
  .prodetail .two .ft ul dl dt {
    font-size: 0.18rem;
    line-height: 0.3rem;
  }
  .prodetail .two .ft ul dl {
    height: 2rem;
    padding: 0.2rem 0.15rem;
  }
  .prodetail .two .ft ul dl dt:after {
    margin: 0.1rem auto;
  }
  .prodetail .two .ft {
    margin-top: 0.15rem;
  }
  .products,
  .cooperation .hd {
    font-size: 0.14rem;
  }
  .products .info {
    padding: 0.3rem 0;
    display: block;
  }
  .products .info .side {
    display: none;
  }
  .products .info .bd ul {
    margin: -0.1rem -0.05rem;
  }
  .products .info .bd ul li {
    line-height: 0.22rem;
    padding: 0.1rem 0.05rem;
  }
  .products .info .bd ul li dt {
    font-size: 0.16rem;
  }
  .products .info .bd ul li .pic span {
    height: 0.3rem;
    width: 0.75rem;
  }
  .products .info .bd ul li dt:after {
    margin: 0.07rem auto;
  }
  .pages {
    margin-top: 0.2rem;
  }
  .products .info .title .flex_item {
    font-size: 0.2rem;
  }
  .cooperation,
  .Corporate {
    padding: 0.3rem 0;
  }
  .cooperation .hd .flex {
    display: block;
  }
  .cooperation .hd {
    line-height: 0.22rem;
    margin-top: 0.15rem;
  }
  .cooperation .hd .side {
    width: auto;
    margin: 0.3rem 0 0 0.1rem;
  }
  .cooperation .bd {
    margin-top: 0.15rem;
  }
  .cooperation .bd ul {
    margin: -0.08rem;
  }
  .cooperation .bd ul li {
    width: 100%;
    padding: 0.08rem;
  }
  .cooperation .bd ul li .box {
    padding: 0.15rem 0;
  }
  .Development {
    font-size: 0.14rem;
    padding: 0.3rem 0;
  }
  .Development .bd li {
    line-height: 0.22rem;
    margin-top: 0.15rem;
  }
  .Development .bd,
  .Development .hd {
    margin-top: 0.2rem;
  }
  .Development .hd .swiper-button-next,
  .Development .hd .swiper-button-prev {
    margin-top: 0.18rem;
  }
  .Development .hd p {
    font-size: 0.2rem;
  }
  .Corporate .bd li {
    display: block;
    margin-top: 0.2rem;
    font-size: 0.14rem;
  }
  .Corporate .bd li .side,
  .Corporate .bd li:nth-child(even) .side {
    padding: 0;
  }
  .Corporate .bd li > div + div {
    margin: 0.15rem 0 0;
  }
  .Corporate .bd li p,
  .aboutus .Company .bd p {
    line-height: 0.22rem;
  }
  .Corporate .bd li:nth-child(even) {
    text-align: left;
  }
  .aboutus .Company,
  .aboutus .Company .bd {
    padding: 0.15rem 0;
  }
  .aboutus .Company .bd {
    display: block;
  }
  .aboutus .title {
    line-height: 0.4rem;
  }
  .aboutus .Company .bd p {
    margin-top: 0.15rem;
  }
  .aboutus .Company .bd .pic {
    width: 100%;
    margin: 0.15rem 0 0;
  }
  .aboutus .Company .ft {
    display: block;
    background-size: cover;
    padding: 0.2rem;
    font-size: 0.14rem;
    line-height: 0.24rem;
  }
  .aboutus .Company .ft dl {
    padding: 0;
  }
  .aboutus .Company .ft dt {
    margin: 0.1rem 0;
    text-align: center;
  }
  .aboutus .Company .ft img {
    width: 1.3rem;
    display: block;
    margin: 0 auto;
  }
  .aboutus .Company .bd > div + div {
    margin: 0.15rem 0 0;
  }
  .homepage,
  .homepage .one .flex ul li {
    font-size: 0.14rem;
  }
  .homepage .one {
    padding: 0.3rem 0;
  }
  .homepage .title h2 {
    margin-bottom: 0.15rem;
    font-size: 0.24rem;
  }
  .homepage .title h2:after {
    margin-top: 0.15rem;
  }
  .homepage .title p {
    line-height: 0.22rem;
  }
  .homepage .one .flex {
    display: block;
    margin-top: 0.2rem;
  }
  .homepage .one .flex ul {
    margin: -0.05rem;
  }
  .homepage .one .flex ul li {
    padding: 0.05rem;
  }
  .homepage .one .bd {
    margin: 0.2rem 0 0;
  }
  .homepage .one .bd .in {
    padding: 0.2rem;
  }
  .homepage .one .bd h3 {
    font-size: 0.24rem;
    line-height: 0.4rem;
  }
  .homepage .one .bd p {
    margin-top: 0.15rem;
  }
  .homepage .one .bd .img {
    display: none;
  }
  .homepage .one .bd .more {
    position: static;
    width: 0.5rem;
    height: 0.5rem;
    margin: 0 0 0.2rem 0.2rem;
  }
  .homepage .one .bd .more img {
    width: 0.1rem;
  }
  .homepage .two .flex {
    display: block;
  }
  .homepage .two .title {
    padding: 0.15rem;
    margin: 0;
  }
  .homepage .two ul {
    display: block;
    margin: 0;
  }
  .homepage .two ul li + li {
    margin: 0;
  }
  .homepage .two ul li {
    height: 1rem;
    font-size: 0.16rem;
  }
  .homepage .two ul li span {
    width: 0.5rem;
    height: 0.5rem;
  }
  .homepage .two ul li span img {
    width: 0.25rem;
  }
  .homepage .two .more {
    margin-top: 0.2rem;
  }
  .homepage .three {
    padding: 0.3rem 0;
  }
  .homepage .three .bd ul {
    margin: -0.1rem 0;
  }
  .homepage .three .bd ul li {
    width: 100%;
    padding: 0.1rem 0;
    font-size: 0.14rem;
    line-height: 0.22rem;
  }
  .magBox {
    left: 0;
    width: 100%;
    height: 3rem;
  }
}