/**/

@media screen and (min-width: 1441px) and (max-width: 1600px) {
}
@media screen and (min-width: 1201px) and (max-width: 1440px) {
}
@media screen and (min-width: 981px) and (max-width: 1200px) {
}
@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: 15px;
    top: 50%;
    transform: translate(0, -50%);
    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;
    background: #fff;
    z-index: 108;
    padding: 15px;
  }

  .hidden-xs,
  .header .nav,
  .header .side {
    display: none;
  }
  .visible-xs {
    display: block;
  }

  /**/
  .homepage {
    overflow: hidden;
  }
  .homepage .banner p {
    max-width: 100%;
  }
  .homepage .banner h3 {
    font-size: 29px;
  }
  .homepage .one .bd ul li,
  .homepage .two .bd ul li,
  .homepage .elaven .bd ul li {
    width: 100%;
  }
  .homepage .three .bd,
  .homepage .six .bd,
  .homepage .eight .bd .flex {
    display: block;
  }
  .homepage .two .bd ul {
    margin: -10px 0;
  }
  .homepage .two .bd ul li {
    padding: 10px 0;
  }
  .homepage .three .bd .box {
    margin-bottom: 20px;
  }
  .homepage .six .bd .side {
    width: 100%;
    margin: 0 0 15px 0;
  }
  .homepage .six .bd ol > li .box {
    height: 216px;
    padding: 10px;
  }
  .homepage .eight .bd .flex_item {
    padding: 32px;
  }
  .homepage .nine .bd ul {
    margin: -5px;
  }
  .homepage .nine .bd ul li {
    padding: 5px;
  }
  .homepage .nine {
    background-size: auto 140px;
    padding-bottom: 30px;
  }
  .homepage .ten .bd ul {
    margin: -5px;
  }
  .homepage .ten .bd ul li {
    width: 33.333%;
    padding: 5px;
  }
  .homepage .elaven .bd ul dd {
    font-size: 24px;
    padding: 10px 0;
  }
  .homepage .elaven .bd ul dl {
    left: 15px;
  }
  .footer {
    padding: 30px 0;
  }
  .footer .bd,
  .footer .bd .in,
  .footer .ft .flex,
  .footer .ft a + a {
    display: block;
  }
  .footer .bd .box + .box,
  .footer .bd .box {
    margin: 0;
  }
  .footer .ft a + a {
    margin: 0;
    padding: 0;
    border: none;
  }
  .footer .bd dd {
    margin: 10px 0;
    justify-content: center;
  }
  .footer .bd .box ul {
    display: none;
  }
  .footer .bd .code {
    margin: 15px auto 0;
  }
  .footer .bd .tel {
    text-align: center;
  }
  .footer .bd .box {
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  }
  .footer .bd h4 {
    font-size: 16px;
    padding: 15px 0;
    position: relative;
  }
  .footer .bd h4 i {
    width: 50%;
    position: absolute;
    height: 100%;
    right: 0;
    top: 0;
  }
  .footer .bd h4 i: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: 5px;
  }
  .footer .bd h4 i.on:after {
    border-width: 0 1px 1px 0;
  }
  .footer .bd .box ul {
    margin-top: -15px;
    padding-bottom: 10px;
  }
  /**/
  .banner_info dt {
    font-size: 36px;
  }
  .case .one ul li dd {
    font-size: 20px;
  }
  .tabinfo ul li {
    flex: 1;
  }
  .tabinfo ul a {
    height: 47px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .aboutus .one .hd .flex {
    display: block;
  }
  .aboutus .one .hd video {
    width: 100%;
    margin: 15px 0 0;
  }
  .aboutus .one .bd ul {
    margin: -10px 0;
  }
  .aboutus .one .bd ul li {
    width: 100%;
    padding: 10px 0;
  }
  .aboutus .two .bd {
    margin: 0;
  }
  .aboutus .two .bd ul li {
    width: 50%;
    margin-top: 20px;
  }
  .aboutus .three .tabtitle li {
    width: 120px;
  }
  .aboutus .three .tabbox ul li .img {
    padding: 5px;
  }
  .aboutus .three .tabbox ul li {
    width: 33.333%;
  }
  .aboutus .four .bd {
    padding: 0;
  }
  .aboutus .four .bd ul {
    height: 400px;
  }
  .aboutus .four .bd ul li b {
    width: auto;
  }
  .aboutus .four {
    height: auto;
    padding-bottom: 30px;
  }
  .news .info,
  .news .info .bd li a,
  .newsitem .info {
    display: block;
  }
  .pages ul li input,
  .pages ul li span,
  .pages div {
    display: none;
  }
  .newsside {
    width: 100%;
    margin: 30px 0 0;
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.1);
  }
  .news .info .bd li .pic {
    width: 100%;
    margin: 0 0 15px 0;
  }
  .newsitem .box .hd p span + span {
    margin: 0;
    display: block;
  }
  /**/
  .partner .one .bd ul li {
    width: 100%;
  }
  .partner .one .bd ul li:nth-child(even) .pic {
    margin: 0 0 20px 0;
  }
  .partner .two .bd ul li + li {
    margin-left: 10px;
  }
  .partner .three .bd ul li {
    width: 50%;
  }
  .partner .three .bd ul::before {
    display: none;
  }
  .partner .four .hd {
    display: block;
  }
  .partner .four .hd dl {
    padding: 10px 0;
  }
  .partner .four .bd ul {
    margin: -10px 0;
  }
  .partner .four .bd ul li {
    width: 100%;
    padding: 10px 0;
  }

  /**/
  .accel .one .bd ul li,
  .accel .two .side {
    width: 100%;
  }
  .accel .two .bd .flex {
    display: block;
  }
  .accel .two .side {
    margin: 15px 0 0;
  }
  .accel .three .bd ul {
    margin: -5px;
  }
  .accel .three .bd ul li {
    width: 50%;
    padding: 5px;
  }
  .accel .three .bd dl dt img {
    width: 40px;
  }
  .accel .three .bd dl dt {
    font-size: 16px;
  }
  .accel .three .bd dl {
    padding: 15px;
  }
  .accel .four .bd ul {
    margin: -6px;
  }
  .accel .four .bd ul li {
    width: 50%;
    padding: 6px;
  }
  .accel .fire .bd {
    padding: 0;
  }
  .accel .fire .swiper-slide dl {
    padding: 0 10px;
  }
  .accel .fire .swiper-slide {
    height: 180px;
  }
  .accel .fire .swiper-slide dt {
    padding: 10px 0;
  }
  /**/
  .service .one .bd ul li,
  .service .one .bd ul li:last-child,
  .service .one .bd ul li:nth-child(4),
  .service .three .bd ul li,
  .service .three .bd ul li.on,
  .service .three .bd ul li.on1 {
    width: 100%;
  }
  .service .two .tabtitle li {
    font-size: 12px;
    padding: 0 20px;
    text-align: center;
  }
  .service .three .bd ul li p {
    display: block;
  }
  .service .three .bd ul li .box {
    height: 360px;
  }
  .service .four .bd {
    transform: translateY(0);
  }
  .service .four {
    padding-bottom: 30px;
  }
  .service .fire .tabtitle li {
    flex: 1;
    justify-content: center;
    padding: 5px 0;
  }
  .service .fire .tabtitle li + li {
    margin-left: 5px;
  }
  .service .fire .tabtitle li img {
    width: 20px;
    height: 20px;
  }
  .service .fire .tabcontent {
    transform: translateY(-10px);
  }
  .service .six .bd ul,
  .accel .seven .bd ul {
    margin: -10px 0;
  }
  .service .six .bd ul li,
  .accel .seven .bd ul li {
    width: 100%;
    padding: 10px 0;
  }
  .service .seven .bd {
    display: block;
  }
  .service .seven .tabtitle {
    margin: -10px;
    padding-bottom: 15px;
  }
  .service .nine .tabbox ul {
    margin: -8px;
  }
  .service .nine .tabbox ul li {
    padding: 8px;
  }
  .service .nine .tabbox ul li a {
    padding: 10px;
  }
  .accel .six .bd .flex {
    display: block;
  }
  .accel .six .side {
    width: 100%;
    margin: 15px 0 0;
  }
}