/**/
@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 {
    width: 0.25rem;
    cursor: pointer;
    z-index: 99;
    position: absolute;
    right: 0.15rem;
    top: 50%;
    transform: translate(0, -50%);
  }
  .m_nav i {
    display: block;
    height: 2px;
    background: #a7a7a7;
  }
  .m_nav i + i {
    margin-top: 0.05rem;
  }
  .cross i:nth-of-type(1) {
    -webkit-transform: translateY(7px) rotate(-45deg);
    -ms-transform: translateY(7px) rotate(-45deg);
    transform: translateY(7px) rotate(-45deg);
  }
  .cross i:nth-of-type(2) {
    opacity: 0;
  }
  .cross i:nth-of-type(3) {
    -webkit-transform: translateY(-7px) rotate(45deg);
    -ms-transform: translateY(-7px) rotate(45deg);
    transform: translateY(-7px) rotate(45deg);
    width: 0.25rem;
  }
  .container {
    width: 100%;
    padding: 0 15px;
    max-width: 100%;
  }
  .header .logo {
    width: 1.8rem;
  }

  .hidden-xs,
  .header .nav {
    display: none;
  }
  .visible-xs {
    display: block;
  }
  .header .side {
    display: none;
  }
  .header {
    position: sticky;
    top: 0;
    background: #fff;
    z-index: 106;
  }

  /**/
  .banner_info img {
    height: 2rem;
  }
  .banner_info .bd {
    font-size: 0.22rem;
  }

  /**/
  .homepage .commonbox .flex {
    display: block;
    padding: 0.3rem 0;
  }
  .homepage .commonbox .side {
    width: 100%;
    padding: 0;
  }
  .homepage .a .bd ul > li {
    width: 100%;
    padding: 0;
  }
  .footer {
    font-size: 0.12rem;
  }
  .footer .bd .flex {
    display: block;
  }
  .footer .bd li {
    margin-top: 0.1rem;
  }
  .footer .ft {
    padding: 0.1rem 0;
  }
  .homepage .a {
    padding-top: 0.2rem;
  }
  .homepage .a .bd ul {
    margin: 0;
  }
  .homepage .commonbox .flex > .flex_item {
    width: 100%;
  }
  .homepage .a a {
    padding: 0.1rem 0;
  }
  .homepage .commonbox .side dt {
    font-size: 0.22rem;
  }
  .homepage .commonbox .side dd {
    margin-top: 0.1rem;
  }
  .homepage .c,
  .homepage .b {
    margin-top: 0.2rem;
  }
  .homepage .c .bd ul {
    margin: -0.05rem;
  }
  .homepage .c .bd ul li {
    padding: 0.05rem;
  }
  .homepage .c .bd ul h4 {
    font-size: 0.14rem;
    margin-top: 0;
  }
  .homepage .c .bd ul .flex_item {
    padding: 0.1rem;
  }
  .homepage .b a {
    height: 4.3rem;
  }
  .homepage .b a dl {
    padding: 0.2rem;
  }
  .homepage .banner .swiper-pagination {
    bottom: 0.1rem;
  }
  .rightside {
    display: none;
  }
  .homepage .b dt {
    font-size: 0.16rem;
  }
  .footer .bd ul {
    display: none;
  }
  .footer .bd .box.on ul {
    display: block;
  }
  .footer .bd .box.on h3::after {
    border-width: 0 1px 1px 0;
  }
  .footer .logo {
    display: block;
    margin: 0 auto;
    width: 1.8rem;
  }
  .footer .bd h3,
  .footer .bd h4 {
    font-size: 0.14rem;
  }
  .footer .bd h4 {
    text-align: center;
    margin-top: 0.1rem;
  }
  .footer .bd h3 {
    margin-top: 0.15rem;
    position: relative;
  }
  .footer .bd h3:after {
    content: " ";
    display: inline-block;
    height: 6px;
    width: 6px;
    border-width: 1px 1px 0 0;
    border-color: #fff;
    border-style: solid;
    -webkit-transform: matrix(0.71, 0.71, -0.71, 0.71, 0, 0);
    transform: matrix(0.71, 0.71, -0.71, 0.71, 0, 0);
    position: absolute;
    top: 50%;
    margin-top: -3px;
    right: 2px;
  }
  .footer .bd h3 i {
    display: block;
    width: 50%;
    height: 100%;
    position: absolute;
    right: 0;
    top: 0;
  }
  .homepage .b .mySwiper {
    padding-bottom: 0.5rem;
  }
  /**/
  .products .side {
    float: none;
    width: 100%;
  }
  .products .side ul {
    display: none;
  }
  .products > .flex_item {
    margin: 0.2rem 0 0;
  }
  .products .tabtitle,
  .products .c li .flex_item {
    font-size: 0.14rem;
  }
  .products .a {
    display: block;
  }
  .products .a .flex_item {
    padding: 0.2rem;
    margin: 0 0 0.2rem 0;
  }
  .products .a .pic {
    width: 100%;
  }
  .products .c {
    padding: 0 0.2rem;
  }
  .products .c li {
    padding: 0.15rem 0;
  }
  .products .d {
    margin-top: 0.2rem;
    padding: 0.2rem;
    display: block;
  }
  .products .d .pic {
    width: 100%;
    margin: 0 0 0.15rem 0;
  }
  .products,
  .detail,
  .system,
  .news,
  .aboutus_zr,
  .suport,
  .focation,
  .system {
    padding-bottom: 0.3rem;
  }
  .products .b .hd {
    padding: 0.2rem 0;
  }
  .products .title,
  .products .a h2 {
    font-size: 0.2rem;
  }
  .products .box {
    padding: 0.2rem 0;
  }
  .products .side .title {
    line-height: 0.5rem;
    font-size: 0.18rem;
  }
  .products .side .title i {
    display: inline-block;
    height: 0.15rem;
    width: 0.15rem;
    border-width: 0 2px 2px 0;
    border-color: #fff;
    border-style: solid;
    -webkit-transform: matrix(0.71, 0.71, -0.71, 0.71, 0, 0);
    transform: matrix(0.71, 0.71, -0.71, 0.71, 0, 0);
    position: absolute;
    top: 50%;
    margin-top: -10px;
    right: 0.15rem;
  }
  .products .side .title i.on {
    border-width: 2px 0 0 2px;
    margin-top: -5px;
  }
  .products .table {
    height: 4rem;
  }
  .proitem {
    padding-top: 0.3rem;
  }
  .proitem .btn {
    margin-bottom: 0.2rem;
  }
  /**/
  .system .bd li {
    padding: 0.15rem;
    display: block;
  }
  .system .bd li .btn {
    width: 100%;
    margin-top: 0.1rem;
  }
  .system .bd li .pic {
    width: 100%;
    margin: 0 0 0.1rem 0;
  }
  .focation .bd ul {
    margin: -0.08rem 0;
  }
  .focation .bd ul li {
    width: 100%;
    padding: 0.08rem 0;
  }
  .tabinfo {
    display: block;
    white-space: nowrap;
    font-size: 0.14rem;
    line-height: 0.5rem;
    overflow-x: auto;
  }
  .tabinfo > li {
    display: inline-block;
    vertical-align: middle;
  }
  .tabinfo a {
    width: auto;
    padding: 0 0.15rem;
  }
  .focation .bd {
    padding: 0.2rem 0 0.3rem;
  }
  /**/
  .suport .bd {
    margin-top: 0.2rem;
    padding: 0 0.2rem;
  }
  .suport .bd ul li .flex_item,
  .videolists ul {
    font-size: 0.14rem;
  }
  .suport .bd ul li {
    padding: 0.15rem 0;
  }
  .videoitem,
  .newsitem {
    margin-top: 0.3rem;
  }
  .title_common h2 {
    font-size: 0.24rem;
  }
  .videolists ul {
    margin: -0.05rem;
  }
  .videolists li {
    width: 50%;
    padding: 0.05rem;
  }
  .videolists li p {
    margin: 0.1rem;
  }
  .videolists li .pic::after {
    width: 0.5rem;
    height: 0.5rem;
  }
  .videolists {
    padding: 0.2rem 0 0.3rem;
  }
  .info {
    display: block;
    margin-top: 0.2rem;
  }
  /**/
  .qa {
    padding: 0 0 0.15rem;
  }
  .qa li .brdge {
    font-size: 0.12rem;
  }
  .qa li .qa_left {
    margin-right: 0.1rem;
  }
  .info .side {
    width: 100%;
    margin: 0.2rem 0 0;
  }
  /**/
  .newsdetail > .flex_item {
    padding: 0;
    border: none;
  }
  .qaform .flex select {
    width: 100%;
  }
  .aboutus_company .a {
    padding: 0.3rem 0;
  }
  .aboutus_company {
    font-size: 0.14rem;
  }
  .aboutus_company .a ul {
    margin: -0.05rem;
  }
  .aboutus_company .a ul li {
    width: 50%;
    padding: 0.05rem;
  }
  .aboutus_company .a ul li dl {
    padding: 0.2rem;
    height: 1.7rem;
  }
  .aboutus_company .a ul li dl dt {
    font-size: 0.16rem;
    margin: 0.1rem 0;
  }
  .aboutus_company .a ul li img {
    width: 0.5rem;
  }
  .aboutus_company .b {
    padding: 0.3rem 0;
    font-size: 0.16rem;
  }
  .aboutus_company .b .bd {
    margin-top: 0.3rem;
  }
  .aboutus_company .b .bd dd {
    font-size: 0.14rem;
    padding: 0 0.7rem;
    line-height: 0.24rem;
  }
  .aboutus_company .b .bd dt {
    font-size: 0.6rem;
  }
  .aboutus_company .b .swiper-button-next {
    right: 0;
  }
  .aboutus_company .b .swiper-button-prev {
    left: 0;
  }
  .aboutus_company .c {
    padding: 0.3rem 0;
  }
  .aboutus_company .c ul {
    margin: -0.05rem;
  }
  .aboutus_company .c ul li {
    width: 33.333%;
    padding: 0.05rem;
  }
  .aboutus_company .c .bd {
    margin-top: 0.2rem;
  }
  .aboutus_zr .bd {
    padding-top: 0.3rem;
  }
  .aboutus_zr .bd ul {
    margin: -0.05rem;
  }
  .aboutus_zr .bd ul li {
    padding: 0.05rem;
    font-size: 0.18rem;
  }
  .aboutus_zr .bd ul img {
    width: 0.45rem;
    margin-bottom: 0.1rem;
  }
  .aboutus_zr .bd ul a {
    height: 1.8rem;
  }
  /**/
  .newsitem .bd {
    margin-top: 0.2rem;
  }
  .partner .a,
  .partner .b {
    margin-top: 0.3rem;
  }
  .partner .a .box {
    margin-top: 0.2rem;
    padding: 0 0.2rem;
  }
  .partner .a .box li span {
    width: 1rem;
  }
  .partner .a .box li .flex_item,
  .joinus .a p {
    font-size: 0.14rem;
  }
  .partner .b .bd ul {
    margin: -0.05rem 0;
  }
  .partner .b .bd li,
  .news .bd ul > li {
    width: 100%;
    padding: 0.05rem 0;
  }
  .partner .b .bd a {
    padding: 0.15rem 0.2rem;
  }
  .partner .b .bd dl {
    padding-bottom: 0.15rem;
    margin-bottom: 0.15rem;
  }
  .partner .b .bd {
    margin: 0.2rem 0 0.3rem;
  }
  .partner {
    padding-bottom: 0.3rem;
  }
  .news .bd ul {
    margin: -0.05rem 0;
  }
  .news .bd {
    padding: 0.2rem 0 0.3rem;
  }
  .news .bd ul dl {
    padding: 0.15rem;
  }
  .news .bd ul dl dt {
    font-size: 0.16rem;
  }
  /**/
  .joinus .a .flex {
    display: block;
  }
  .joinus .a .pic {
    width: 100%;
    margin: 0 0 0.2rem 0;
  }
  .joinus .a {
    margin: 0.3rem 0;
  }
  .joinus .b {
    padding: 0.3rem 0;
  }
  .joinus .b .bd {
    padding: 0.1rem 0 0.3rem;
  }
  .joinus .b .bd ul {
    margin: -0.05rem 0;
  }
  .joinus .b .bd ul li {
    width: 100%;
    padding: 0.05rem 0;
  }
  .joinus .b .bd ul dl {
    padding: 0.15rem;
    min-height: auto;
  }
  .joinitem > .flex_item {
    padding: 0;
    border: none;
  }
  .joinitem .left .flex {
    margin-top: 0.15rem;
    padding: 0.15rem;
    flex-wrap: wrap;
    line-height: 0.24rem;
  }
  .joinitem .left .flex > div {
    width: 50%;
  }
  .joinitem .left h4 {
    margin-top: 0.2rem;
    font-size: 0.18rem;
  }
  .contactus .a .bd {
    margin: 0.3rem 0;
  }
  .contactus .a .bd ul {
    margin: -0.05rem 0;
  }
  .contactus .a .bd ul li {
    padding: 0.05rem 0;
    width: 100%;
  }
  .contactus .a .bd ul dt {
    font-size: 0.16rem;
  }
  .contactus .b .bd {
    display: block;
  }
  .contactus .b .bd .flex_item + .flex_item {
    margin: 0;
  }
  .contactus {
    padding-bottom: 0.3rem;
  }
  .contactus .b .btn {
    margin-top: 0.2rem;
  }
  .contactus .b {
    margin-top: 0.3rem;
  }
  .contactus .a .bd dl {
    height: auto;
    padding: 0.2rem;
  }
  #allmap {
    height: 3.5rem;
  }
  .rule .bd ul {
    margin: -0.1rem 0;
  }
  .rule .bd ul li {
    width: 100%;
    padding: 0.1rem 0;
  }
  .rule .bd {
    margin-top: 0.3rem;
  }
  .rule {
    font-size: 0.14rem;
  }
  .rule .bd ul li dt {
    font-size: 0.2rem;
  }
  .rule .bd ul .btn {
    margin: 0.3rem auto;
  }
  .userpage .info .side .b ul {
    display: flex;
  }
  .userpage .info .side .b ul li {
    flex: 1;
  }
  .userpage .info .side .b {
    padding: 0.05rem 0;
    font-size: 0.14rem;
    margin-bottom: 0.15rem;
  }
  .userpage .info .side .a {
    margin: 0.15rem;
  }
  .userpage .c {
    padding: 0.15rem;
  }
  .userpage .c .input {
    width: 100%;
  }
  .userpage .c table {
    width: 100%;
  }
  .userpage {
    padding-bottom: 0.3rem;
  }
  .userpage .info .pages {
    margin-bottom: 0.3rem;
  }
}