@charset "utf-8";
/* CSS Document */

@media (max-width: 1200px) {

  body,
  html {
    font-size: 65.5%;
    scrollbar-width: none;
  }

  .w_all,
  .w_all2 {
    width: 90%;
  }

  .innovating dl {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer .bar .rr {
    margin-right: -15%;
  }
}

@media (max-width: 1100px) {

  body,
  html {
    font-size: 60.5%;
    scrollbar-width: none;
  }

  .bans .txt h3 {
    font-size: 3.2rem;
  }

  .title h3 {
    font-size: 3.4rem;
  }

  .pro .bar2 dl {
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem 2rem;
  }

  .footer .bar .rr {
    margin-right: -12%;
  }
}

@media (max-width: 850px) {

  body,
  html {
    font-size: 58.5%;
  }

  header {
    height: 56px;
  }

  header nav {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100vh;
    background: #fff;
    z-index: 999;
    display: none;
    box-sizing: border-box;
  }

  header ul {
    margin-top: 56px;
    height: auto;
    display: block;
    width: 100%;
    padding-top: 5vh;
    overflow-y: auto;
  }

  header ul li {
    padding: 3vh 5%;
    border-bottom: 1px solid rgba(0, 0, 0, .06);
    box-sizing: border-box;
    margin: 0 auto;
    width: 100%;
    height: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  header ul li.ls .icons {
    display: block;
  }

  header ul li.ls .icons i {
    font-size: 1.8rem;
    display: block;
  }

  header .nav li:hover .icons i {
    transform: rotate(90deg);
    color: var(--color);
  }

  header .nav li h2 {
    font-size: 1.6rem;
  }

  header ul li {
    flex-wrap: wrap;
  }

  header .s_menu {
    width: 100%;
    box-shadow: none;
    position: static;
    background: var(--color);
    height: 0;
    overflow: hidden;
  }

  header ul li.open .s_menu {
    height: auto;
    margin-top: 2rem;
  }

  .s_menu .ss {
    width: 100%;
    height: auto;
    display: block;

  }

  .s_menu .sl {
    width: 100%;
    padding: 2.5rem;
  }

  .s_menu .sr,
  .s_menu2 .sl {
    display: none !important;
  }

  .s_menu2 .sr {
    display: block !important;
    padding: 2.5rem 2.5rem 1.5rem;
  }

  .s_menu2 .sss2 {
    display: block;
    padding: 0;
  }

  .s_menu2 .sr h5 {
    color: #fff;
  }

  .s_menu2 .sr p {
    display: none;
  }

  .navBtn {
    display: block;
  }

  .banner {
    height: 65vh;
  }

  .banner .txt {
    padding: 0;
  }

  .banner .txt h3 {
    font-size: 4rem;
  }

  .title h3 {
    font-size: 3rem;
  }

  .about3 ul li {
    width: 31.5%;
  }

  .bans {
    margin-top: 56px;
  }

  .team .bar1 dd {
    display: block;
  }

  .team .bar1 dd b {
    width: 100%;
  }

  .team .bar1 dd .rr {
    width: 100%;
    margin-top: 3rem;
  }
}

@media (max-width: 500px) {
  .w_all3 {
    width: 90%;
  }

  body,
  html {
    font-size: 50.5%;
  }

  header {
    height: 46px;
  }

  header ul {
    margin-top: 46px;
  }

  header .logo {
    height: 2.4rem;
  }

  .banner .txt h3 {
    font-size: 2.6rem;
    margin-bottom: 2rem;
  }

  .banner .txt p {
    font-size: 1.6rem;
    line-height: 1.6;
  }

  .title {
    margin-bottom: 3rem;
  }

  .title h3,
  .title2 h3 {
    font-size: 2.4rem;
  }

  .more {
    margin-top: 3rem;
  }

  .index_bars {
    padding: 6rem 0;
  }

  .index_pro ul {
    grid-template-columns: repeat(1, 1fr);
  }

  .index_pro ul li img {
    height: 38vh;
  }

  .index_pro ul li .tt {
    padding: 3rem;
  }

  .index_pro ul li .tt h6 {
    font-size: 2.2rem;
  }

  .index_sol .contain {
    height: 46vh;
  }

  .index_sol .contain dl {
    width: 38%;
  }

  .index_sol .contain ul li p {
    padding: 2rem;
    line-height: 1.6;
  }

  .index_about .contain {
    padding: 30vh 0 4rem;
  }

  .index_about ul a {
    width: 42%;
  }

  .index_about ul a:first-of-type {
    padding-right: 3rem;
    margin-right: 3rem;
  }

  .index_news h6 {
    font-size: 1.4rem;
  }

  .footer .bar {
    display: block;
    padding-bottom: 0;
  }

  .footer .bar .ll {
    width: 100%;
    text-align: center;
  }

  .footer .bar .logo2 {
    margin: 0 auto 2rem;
    display: flex;
    justify-content: center;
    height: 3rem;
  }

  .footer .bar .ll h6 {
    display: flex;
    justify-content: center;
  }

  .footer .bar .rr {
    width: 100%;
    margin: 3rem 0 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0;
  }

  .footer .bar .rr dl:last-of-type {
    width: 100%;
  }

  .footer .bar .rr dl:last-of-type dd {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
  }

  .footer .bar .rr dl:last-of-type dd a {
    margin: 1rem 2rem;
  }

  .footer .bar .rr dl:last-of-type dd a h2 {
    margin: 0;
  }

  .follow {
    justify-content: center;
    margin: 2rem auto 1rem;
  }

  .follow p {
    margin: 0 0.5rem;
  }

  .footer .copy {
    display: block;
  }

  .footer .copy .ll {
    justify-content: center;
  }

  .footer .copy .ss {
    flex-wrap: wrap;
  }

  .footer .copy .ss p {
    width: 100%;
    text-align: center;
  }

  .footer .copy .ss a {
    margin: 0.8rem 0;
  }

  .footer .copy .rr p {
    margin: 0.5rem 1rem;
  }

  .bans {
    margin-top: 46px;
  }

  .pro .bar2 dl dd b {
    height: 16vh;
  }

  .pro .bar2 dl {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }

  .team2 .contain {
    flex-direction: column;
    justify-content: center;
  }

  .team2 .title {
    width: 100%;
    text-align: center;
    margin-bottom: 3rem;
  }

  .prod .pbar1,
  .prod .pbar2 .contain {
    display: block;
  }

  .prod .pbar1 .ll,
  .prod .pbar2 .ll {
    width: 100%;
  }

  .prod .pbar1 .rr,
  .prod .pbar2 .rr {
    width: 100%;
    margin-top: 3rem;
  }

  .prod .pbar3 ul {
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }

  .prod .pbar3 ul li img {
    height: auto;
    width: 100%;
    padding: 3% 0%;
    box-sizing: border-box;
  }

  .bans2 {
    padding: 5vh 0 !important;
  }

  .bans .txt h3 {
    font-size: 2.8rem;
  }

  .innovating dl {
    grid-template-columns: repeat(1, 1fr);
    gap: 2rem;
  }

  .innovating dl dd .txt {
    padding: 1.5rem 8% 5rem;
  }

  .innovating dl a:last-of-type {
    display: none;
  }

  .ban_about .txt {
    flex-direction: column-reverse;
  }

  .ban_about .ll {
    width: 100%;
  }

  .ban_about .rr {
    width: 100%;
    height: 30vh;
    overflow: hidden;
    margin-bottom: 3rem;
  }

  .about ul {
    grid-template-columns: repeat(1, 1fr);
  }

  .about ul li b,
  .about6 .bar .rr {
    height: 30vh;
  }

  .about2 .bar {
    flex-direction: column-reverse;
  }

  .about2 .bar .ll {
    width: 100%;
    margin-top: 3rem;
  }

  .about2 .bar .rr {
    width: 100%;
  }

  .about3 ul li {
    width: 48%;
  }

  .news dl dd p {
    display: none;
  }

  .contact .bar1 {
    flex-direction: column-reverse;
  }

  .contact .title h3 {
    text-align: center;
  }

  .contact .c_nav {
    justify-content: center;
  }

  .contact .bar1 .message {
    width: 100%;
  }

  .contact .bar1 .rr {
    width: 100%;
    display: none;
  }

  .bans_contact {
    margin: 26px 0 0;
    padding: 0 !important;
  }

  .contact .c_nav p {
    padding: 0.4rem 1rem;
  }

  .contact2 .bg img {
    height: 35vh;
  }

  .contact2 .txt {
    padding: 4rem 3rem;
    margin-top: -13vh;
  }

  .contact2 dl {
    display: block;
  }

  .contact2 dl dd {
    width: 100%;
    margin-top: 2rem;
  }

  .submit {
    min-width: 10vw;
  }

  .tk .close {
    top: 1.5rem;
    right: 1.5rem;
  }

  .tk .message {
    width: 80%;
    padding: 10% 5%;
  }

  .tk .pps {
    gap: 2rem;
    grid-template-columns: repeat(1, 1fr);
  }
}