/**/

@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 (max-width: 980px) {
  .m_nav {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translate(0, -50%);
    width: 25px;
    z-index: 99;
  }
  .m_nav i {
    display: block;
    height: 2px;
    background: #26469a;
  }
  .m_nav i + i {
    margin-top: 0.06rem;
  }

  .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 {
    z-index: 99999;
    padding: 0.13rem 0.15rem;
  }
  .header .logo img {
    width: 1rem;
  }
  .header .tel {
    font-size: 0.17rem;
    margin-right: 0.4rem;
  }
  .hidden-xs,
  .header .nav,
  .footer .bd > .flex_item,
  .dialog {
    display: none;
  }
  .visible-xs,
  .hezuo .two .bd ul,
  .footer .bd {
    display: block;
  }
  .banner img {
    height: 3rem;
  }
  .hezuo,
  .products {
    font-size: 0.14rem;
  }
  .hezuo .one,
  .hezuo .two,
  .aboutus .three {
    padding-top: 0.3rem;
  }
  .hezuo .three .bd,
  .hezuo .two .bd {
    margin-top: 0.2rem;
  }
  .hezuo .three,
  .aboutus .one,
  .aboutus .two,
  .products,
  .aboutus .four {
    padding: 0.3rem 0;
  }
  .title_common h3 {
    font-size: 0.24rem;
  }
  .title_common:after {
    width: 0.5rem;
    height: 0.03rem;
    margin: 0.1rem auto 0;
  }
  .hezuo .three .bd ul {
    margin: 0;
  }
  .hezuo .three .bd ul li {
    width: 33.333%;
    padding: 0.1rem 0;
  }
  .hezuo .three .bd ul li img {
    width: 70%;
  }
  .hezuo .two .bd ul li p,
  .hezuo .one .ft .btn {
    font-size: 0.16rem;
  }
  .hezuo .one .bd {
    padding: 0 0.15rem;
    margin-top: 0.2rem;
  }
  .hezuo .one .ft .btn {
    width: 100%;
  }
  .hezuo .one .bd li {
    display: block;
  }
  .hezuo .one .bd li .input {
    width: 100%;
    margin: 0.15rem 0 0;
  }
  .footer .bd .map {
    padding: 0;
    border: none;
  }
  .footer .bd {
    padding: 0.3rem 0;
  }
  .aboutus .two .bd,
  .aboutus .three .bd,
  .products .bd > ul > li,
  .aboutus .one .bd,
  .aboutus .four .bd {
    margin-top: 0.2rem;
  }
  .aboutus .one .bd ul li {
    width: 50%;
  }
  .aboutus .one .bd ul li br {
    display: none;
  }
  .aboutus .one .bd ul li dd {
    font-size: 0.12rem;
    padding: 0 0.1rem;
  }
  .aboutus .one .bd ul dt {
    font-size: 0.18rem;
  }
  .products .bd > ul .flex {
    display: block;
    padding: 0.15rem;
  }
  .products .bd > ul .pic,
  .products .bd > ul > li:nth-child(even) .pic {
    width: 100%;
    margin: 0 0 0.2rem 0;
  }
  .products .bd > ul dl dt {
    font-size: 0.2rem;
  }
  .products .bd > ul dl dd {
    font-size: 0.16rem;
  }
  .products .bd > ul p {
    padding-bottom: 0;
  }
  /***/
  .homepage .one,
  .homepage .two,
  .homepage .three {
    padding: 0.3rem 0;
  }
  .homepage .one .hd {
    margin-top: 0.2rem;
    font-size: 0.14rem;
  }
  .homepage .one .hd .flex {
    display: block;
  }
  .homepage .one .hd .flex_item + .flex_item {
    margin: 0.15rem 0 0;
  }
  .homepage .one .bd ul {
    margin: 0;
    flex-wrap: wrap;
  }
  .homepage .one .bd ul li {
    flex: inherit;
    padding-bottom: 0.2rem;
    width: 50%;
  }
  .homepage .one .bd,
  .homepage .two .bd,
  .homepage .three .bd,
  .homepage .four .bd {
    margin-top: 0.2rem;
  }
  .homepage .one .bd ul li + li {
    border: none;
  }
  .homepage .one .bd img {
    margin: 0;
    width: 0.5rem;
  }
  .homepage .one .bd dt b {
    font-size: 0.3rem;
  }
  .homepage .one .bd,
  .homepage .two .bd p,
  .homepage .four .bd,
  .homepage .three .bd ul {
    font-size: 0.14rem;
  }
  .homepage .two .bd .swiper-button-next {
    right: 0;
  }
  .homepage .two .bd .swiper-button-prev {
    left: 0;
  }
  .homepage .two .bd p {
    height: 0.45rem;
  }
  .homepage .two .bd p img {
    width: 0.2rem;
  }
  .homepage .three .bd .flex {
    display: block;
  }
  .homepage .three .bd .img {
    width: 100%;
    margin: 0 0 0.2rem 0;
  }
  .homepage .three .bd ul {
    margin: 0;
  }
  .homepage .three .bd ul li {
    padding: 0.1rem 0;
  }
  .homepage .three .bd ul li img {
    width: 0.3rem;
  }
  .homepage .four .bd ul {
    margin: -0.08rem 0;
  }
  .homepage .four .bd ul li {
    width: 100%;
    padding: 0.08rem 0;
  }
  .homepage .four {
    padding-bottom: 0.3rem;
  }
  .banner .bd h2 {
    font-size: 0.24rem;
  }
  .banner .bd .btn {
    width: 2rem;
    height: 0.4rem;
    font-size: 0.14rem;
  }
  .banner .bd .btn i {
    display: none;
  }
  .hezuo .two .bd ul li + li {
    margin: 15px 0 0;
  }
}