@media screen and (min-width: 319px) and (max-width: 767px) {
  .isPc {
    display: none;
  }
  .isH5 {
    display: block;
  }
  header {
    padding: 0 0.4rem;
    position: relative;
    border-bottom: 1px solid #ECECEC;
    display: flex;
    align-items: center;
    justify-content: space-between;
    /* height: 0.8rem; */
  }
  .nav_table{
    display: flex;
    width: 100%;
    justify-content: space-between;
  }

  header .topbar {
    display: flex;
    align-items: center;
    margin-bottom: 0;
    list-style-type: none;
    padding: 15px 0px;
  }

  header .topbar .search {
    white-space: nowrap;
  }

  header .topbar .search a.list,
  header .topbar .search a.list:hover,
  header .topbar .search a.list:active {
    color:inherit;
    text-decoration: none;
    padding: 0 10px;
  }

  header .navbar-brand {
    padding: 5px 0;
    height: auto;
  }

  header .navbar-brand>img {
    width: 80%;
  }

  header h2 {
    font-size: 0.4rem;
    margin: 0;
  }
  header ul li {
    padding: 0 0.1rem;
    font-size: 0.28rem;
  }
  header ul li.search {
    display: flex;
    /* margin-right: .2rem; */
  }
  header ul li img {
    width: 16px;
  }
  header #nav {
    position: absolute;
    top: 53px;
    left: 0;
    width: 100%;
    display: none;
    background: #fff;
    color: #333;
    z-index: 100;
    padding: 0 .3rem;
    box-shadow: 0 5px 10px 0 #D3D3D3;
  }
  header #nav p {
    line-height: .52rem;
    padding: .14rem 0;
    font-size: .26rem;
    border-bottom: 1px solid #ECECEC;
    text-transform: uppercase;
    margin: 0;
  }
  header #nav p:not(:last-child) {
    border-bottom: 1px solid #ECECEC;
  }
  header #nav .second_menu {
    position: relative;
  }
  header #nav .second_menu i {
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-top: 5px solid #000;
    border-right: 5px solid transparent;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translate(-50%, 0px);
  }
  header #nav .menu_list {
    display: none;
  }
  header #nav .menu_list p {
    padding: 0.14rem .3rem;
  }
  header #nav a.list,
  header #nav a.list:hover,
  header #nav a.list:active {
    color:inherit;
    text-decoration: none;
    border-bottom: 1px solid #ECECEC;
  }
  .bannernew {
    height: 280px;
  }
  .bannernew .content {
    padding: .5rem .2rem;
  }
  .bannernew .content h2 {
    font-size: 0.48rem;
    font-family: "HuaweiSansBold";
  }
  .bannernew .content p {
    width: auto;
    font-size: .24rem;
    line-height: .36rem;
    margin: .35rem auto 0;
  }
  .bannernew .cards {
    width: 90%;
    position: static;
    transform: translate(0, 0);
    margin: 0 auto;
    padding: 0px;
  }
  .bannernew .cards ul {
    flex-wrap: wrap;
  }
  .bannernew .cards ul li {
    width: 100%;
    padding: .3rem;
  }
  .bannernew .cards ul a {
    width: 50%;
  }

  .bannernew .cards ul li .icon {
    transform: scale(.7);
  }

  .bannernew .cards ul a:nth-child(1) {
    border-bottom: 1px solid #E3E9EB;
  }
  .bannernew .cards ul a:nth-child(2) {
    border-bottom: 1px solid #E3E9EB;
  }
  .bannernew .cards ul a:nth-child(2n) {
    border-right: 0;
  }
  .bannernew .cards ul a:nth-child(2n+1) {
    border-right: 1px solid #E3E9EB;
  }
  .bannernew .cards ul li h3 {
    font-size: .28rem;
    margin: .3rem 0 .28rem;
  }
  .bannernew .cards ul li p {
    font-size: .24rem;
    line-height: .36rem;
    padding: 0px;
  }
  .bannernew .cards ul li img {
    height: 30px;
  }
  .reason {
    padding: 6.7rem .6rem .6rem;
  }
  .reason h2 {
    font-size: 0.46rem;
    margin-bottom: .68rem;
  }
  .reason .content_why {
    flex-direction: column;
  }
  .reason .content_why .bg {
    width: 95%;
    height: 4rem;
    background-position: center;
    position: relative;
  }
  .reason .content_why .bg h3 {
    font-size: .6rem;
  }
  .reason .content_why .bg p {
    font-size: .24rem;
    margin-top: .6rem;
    line-height: inherit;
    position: absolute;
    bottom: .44rem;
  }
  .reason .content_why .detail {
    margin-left: 0;
    margin-top: 0.5rem;
  }
  .reason .content_why .detail p {
    font-size: .28rem;
    line-height: .52rem;
  }
  .reason .content_why .detail p:nth-child(1) {
    margin-bottom: .2rem;
  }
  .action {
    padding: .6rem;
  }
  .action .active_box {
    display: inline;
  }
  .action .active_box .active {
    width: 100%;
    margin-right: 0 !important;
  }
  .action .active_box .active:last-child {
    margin-top: .8rem;
  }
  .action .active_box .active h2 {
    font-size: 0.46rem;
    font-weight: 600;
    text-align: center;
    display: block;
    width: 100%;
    position: relative;
    border-bottom: 0;
  }
  .action .active_box .active h2 p {
    line-height: inherit;
    position: absolute;
    right: 0;
    bottom: 24px;
    font-size: .24rem;
    font-weight: 100;
  }
  .action .active_box .active ul li {
    padding: .26rem .1rem .3rem;
  }
  .action .active_box .active ul li:not(:last-child) {
    border-bottom: 1px solid rgba(181, 181, 181, 0.5);
  }
  .action .active_box .active ul li:last-child {
    border-bottom: 0px;
  }
  .action .active_box .active ul li h6 {
    font-size: .28rem;
  }
  .action .active_box .active ul li h6 i {
    font-size: .22rem;
  }
  .action .active_box .active ul li p {
    font-size: .24rem;
    line-height: .4REM;
  }
  .partners {
    padding: 0 0 .8rem 0;
  }
  .partners h2 {
    font-size: 0.46rem;
    margin-bottom: .4rem;
  }
  .partners .box {
    width: 85%;
    flex-wrap: wrap;
  }
  .partners .box img {
    width: 25%;
  }
  .partners .box img:nth-child(2) {
    width: 4.5rem;
  }
  .e_mail {
    justify-content: space-around;
    padding: .4rem 0;
    height: 6rem;
    background-position: top;
  }
  .e_mail h2 {
    font-size: 0.46rem;
    margin-bottom: 0;
  }
  .e_mail ul {
    width: auto;
    padding: 0px;
  }

  .e_mail ul li {
    justify-content: space-around;
  }

  .e_mail ul li:last-child {
    margin-bottom: 0;
  }
  .e_mail ul li h3 {
    font-size: .38rem;
    line-height: .44rem;
  }
  .e_mail ul li p {
    font-size: .24rem;
    margin-top: 0;
    padding-right: 0;
  }
  .e_mail ul li .btn {
    padding: .1rem .15rem;
    font-size: .26rem;
    font-family: "HuaweiSansBold";
  }

  .e_mail ul li > div {
    width: 60%;
  }

  .container .heading {
    margin: 0;
  }

  .container .client-header h2 {
    font-size: .46rem;
    font-weight: 600;
  }

  .container p.lead {
    margin: 0;
  }

  .container .owl-carousel.customers {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    margin-bottom: .4rem;
  }

  .container .owl-carousel.customers .item {
    margin: 0;
    width: 35%;
    display: flex;
    justify-content: center;
  }

  .container .owl-carousel.customers .item img {
    transform: scale(.75);
  }

  .divmail ul li a {
    margin: 0px;
  }

  .main .down_banner {
    padding: .3rem .4rem;
    height: auto;
  }
  .main .down_banner p {
    margin: 0;
    font-size: .3rem;
    font-family: "HuaweiSansBold";
  }
  .main .content {
    padding: 0 .4rem;
    flex-direction: column-reverse;
  }
  .main .content .search_v {
    width: auto;
    padding-top: .3rem;
  }
  .main .content .search_v li .vision {
    display: flex;
    flex-wrap: wrap;
  }
  .main .content .search_v li .vision p {
    width: 20%;
    margin-bottom: 0;
  }
  .main .content .nav {
    margin-right: 0;
  }
  .main .content .nav li {
    padding: .3rem 0;
  }
  .main .content .nav li h3 {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
  }
  .main .content .nav li h3 span.title {
    font-size: .4rem;
    font-weight: 700;
  }
  .main .content .nav li h4 {
    font-size: .28rem;
  }
  .main .content .nav li p {
    font-size: .24rem;
  }
  footer {
    padding: .4rem .6rem;
  }
  footer .foot {
    display: block;
  }
  footer .foot .contact {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
  }
  footer .foot .contact h2 {
    font-size: 0.46rem;
    margin-bottom: 0;
  }
  footer .foot .contact p {
    font-size: .24rem;
  }
  footer .foot .contact svg {
    width: 12px;
  }
  footer .foot .notice {
    margin-top: .4rem;
    width: auto;
  }
  #mask {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: none;
  }
}
@media screen and (min-width: 768px) and (max-width: 1280px) {
  .isPc {
    display: none;
  }
  header {
    padding: 0 .6rem;
    position: relative;
    display: flex;
    justify-content: space-between;
  }
  header .topbar {
    display: flex;
    align-items: center;
    margin: 0 595px;
    list-style-type: none;
    padding: 20px 0;
  }
  header .topbar .search {
    white-space: nowrap;
  }
  header .topbar .search a.list,
  header .topbar .search a.list:hover,
  header .topbar .search a.list:active {
    color:inherit;
    text-decoration: none;
    padding: 0 10px;
  }
  header .navbar-brand {
    padding: 5px 15px;
  }
  header h2 {
    font-size: 0.38rem;
    margin: 0px;
  }
  header ul li {
    padding: 0 0.1rem;
    font-size: 0.28rem;
    display: flex;
  }
  header ul li img {
    width: 18px;
  }
  header #nav {
    position: absolute;
    top: 62px;
    left: 0;
    width: 100%;
    display: none;
    background: #fff;
    color: #333;
    z-index: 100;
    padding: 0 .6rem;
    box-shadow: 0 5px 10px 0 #D3D3D3;
  }
  header #nav p {
    line-height: .52rem;
    padding: .14rem 0;
    font-size: .28rem;
    border-bottom: 1px solid #ECECEC;
    text-transform: uppercase;
  }
  header #nav p:not(:last-child) {
    border-bottom: 1px solid #ECECEC;
  }
  header #nav .second_menu {
    position: relative;
  }
  header #nav .second_menu i {
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-top: 5px solid #000;
    border-right: 5px solid transparent;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translate(-50%, 0px);
  }
  header #nav .menu_list {
    display: none;
  }
  header #nav .menu_list p {
    padding: 0.14rem .3rem;
  }
  header #nav a.list,
  header #nav a.list:hover,
  header #nav a.list:active 
  {
    color:inherit;
    text-decoration: none;
  }
  .bannernew .content {
    padding: 1.8rem .4rem;
  }
  .bannernew .content h2 {
    font-size: 0.6rem;
  }
  .bannernew .content p {
    width: auto;
  }
  .bannernew .cards {
    bottom: -35%;
    padding: 0px;
  }
  .bannernew .cards ul li p {
    padding: .18rem;
  }
  .reason {
    padding: 245px 30px 70px;
  }
  .reason .content_why {
    flex-direction: column;
  }
  .reason .content_why .detail {
    margin-left: 0;
    width: 580px;
    margin-top: 0.5rem;
  }
  .action .active_box .active h2 {
    font-size: 0.5rem;
  }
  .action .active_box .active h2 p {
    line-height: inherit;
  }
  .partners {
    padding: 0 0 70px 0;
  }
  .container .heading {
    margin: 0;
  }
  .owl-carousel.customers {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
  }
  .owl-carousel.customers .item {
    width: 25%;
    margin: 25px 0 0 30px;
  }

  .e_mail ul {
    width: auto;
    padding: 0px;
  }
  .e_mail ul li {
    justify-content: space-around;
  }
  .e_mail ul li > div {
    width: 55%;
  }
  .e_mail ul li .btn {
    margin-left: 20px;
  }
  .content {
    padding: 0 20px;
  }
  .main .down_banner {
    padding: .3rem .4rem;
    height: auto;
  }
  .main .down_banner p {
    margin: 0;
    font-size: .5rem;
    font-family: "HuaweiSansBold";
  }
  footer {
    padding: 20px 30px 20px;
  }
  footer .notice {
    width: 360px;
  }
  #mask {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: none;
  }
  .isPad {
    display: block !important;
  }
  .pc_box {
    display: none !important;
  }
}
@media screen and (min-width: 1280px) {
  .isPc {
    display: block;
  }
  .isH5 {
    display: none;
  }
}
