@media screen and (min-width: 1000px) and (max-width: 1200px) {
  /* header */
  header nav ul li > a {
    padding: 0 18px;
  }
  header nav ul li .sub a {
    padding: 0 10px;
  }
  /* footer */
  footer .flex_main .about {
    max-width: 260px;
  }
  footer .flex_main .ewm {
    width: 138px;
  }
  /* nbanner */
  .nbanner {
    height: 360px;
    background-size: auto 100%;
  }
  /* view_case */
  .view_case .video iframe,
  .view_case .video video {
    height: 410px;
  }
}
@media (max-width: 999px) {
  body {
    padding-top: 50px;
  }
  /* header */
  header .container {
    height: 50px;
  }
  header .logo img {
    height: 35px;
  }
  header nav {
    display: none;
    position: fixed;
    left: 0px;
    top: 50px;
    right: 0px;
    bottom: 0px;
    overflow-y: auto;
    background: #fff;
    box-shadow: 0 0 10px #eee;
    z-index: 998;
  }
  header nav ul li {
    float: none;
  }
  header nav ul li > a {
    position: relative;
    height: 60px;
    padding: 0 15px;
    text-align: left;
    border-bottom: 1px solid #eee;
    color: #555;
  }
  header nav ul li > a span {
    padding: 12px 0 5px 0;
    font-size: 16px;
  }
  header nav ul li > a em {
    font-size: 12px;
    text-transform: uppercase;
    opacity: 0.6;
  }
  header nav ul li .iconfont {
    position: absolute;
    right: 0px;
    top: 0px;
    height: 60px;
    width: 50px;
    display: -webkit-box;
    display: -moz-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: center;
    justify-content: center;
    font-size: 20px;
    color: #888;
  }
  header nav ul li .sub {
    position: static;
    line-height: 34px;
    background: #f7f7f7;
    text-align: left;
  }
  header nav ul li .sub a {
    border-bottom: 1px solid #eee;
    color: #888;
  }
  header nav ul li .sub a:hover {
    background: none;
  }
  header nav ul li:hover > a {
    background: none;
    color: #555;
  }
  header nav ul li.on > a {
    background: #fb373a;
    color: #fff;
  }
  header nav ul li.on .iconfont {
    color: #fff;
  }      
  header nav .hover{
    display: none;
}
  header .navbut {
    display: block;
    width: 30px;
    height: 30px;
    position: relative;
  }
  header .navbut i {
    height: 2px;
    background: #333;
    display: block;
    overflow: hidden;
    width: 100%;
    position: absolute;
    left: 0px;
  }
  header .navbut .w1 {
    top: 4px;
  }
  header .navbut .w2 {
    top: 14px;
  }
  header .navbut .w3 {
    top: 24px;
  }
  header .navbut.cur .w1 {
    top: 15px;
    transform: rotate(45deg);
  }
  header .navbut.cur .w2 {
    height: 0px;
  }
  header .navbut.cur .w3 {
    top: 15px;
    transform: rotate(-45deg);
  }
  /* footer */
  footer {
    font-size: 12px;
  }
  footer .flex_main {
    padding: 20px 0;
    line-height: 1.8;
    flex-wrap: wrap;
  }
  footer .flex_main .b_tit:after {
    height: 1px;
  }
  footer .flex_main .about {
    max-width: inherit;
    padding: 0 0 15px 0;
  }
  footer .flex_main .nav {
    display: none;
  }
  footer .flex_main .ewm {
    width: 100px;
    overflow: hidden;
    padding: 45px 0 0 0;
  }
  footer .flex_main .ewm p {
    margin-top: 5px;
    line-height: 32px;
  }
  footer .flex_main .cont {
    order: 1;
    -webkit-box-flex: 1;
    -moz-box-flex: 1;
    -webkit-flex: 1;
    -ms-flex: 1;
    flex: 1;
    width: 0;
    padding: 0 0 0 15px;
  }
  footer .flex_main .cont .b_tit {
    transform: translateX(-115px);
  }
  footer .copy {
    background: #272728;
    text-align: center;
    overflow: hidden;
    padding: 15px 0;
    color: #7e7e7e;
    line-height: 1.8;
  }
  footer .copy a {
    color: #7e7e7e;
  }
  footer .copy a:hover {
    color: #fb373a;
  }
  /* banner */
  .banner {
    height: 200px !important;
  }
  .banner .swiper-slide .box {
    padding: 15px 35px;
  }
  .banner .swiper-slide .box .bt {
    font-size: 18px;
    padding: 0 0 8px 0;
  }
  .banner .swiper-slide .box .text {
    font-size: 12px;
    line-height: 1.6;
  }
  .banner .banner-next,
  .banner .banner-prev {
    width: 30px;
    line-height: 60px;
    margin-top: -30px;
    background-color: rgba(0, 0, 0, 0.2);
    font-size: 20px;
    opacity: 1;
  }
  .banner .banner-next {
    right: 0px;
  }
  .banner .banner-prev {
    left: 0px;
  }
  .banner .swiper-pagination-bullets {
    bottom: 10px;
  }
  .banner .swiper-pagination-bullets .swiper-pagination-bullet {
    width: 20px;
    height: 2px;
    margin: 0 2px;
  }
  /* nbanner */
  .nbanner {
    height: auto;
  }
  .nbanner img {
    display: block;
  }
  /* fixed_right */
  .fixed_right {
    display: none;
  }
  /* in_box */
  .in_box {
    padding: 20px 0;
  }
  .in_box .in_tit {
    padding: 0 0 15px 0;
  }
  .in_box .in_tit em {
    font-size: 22px;
  }
  .in_box .in_tit .bt {
    font-size: 20px;
    margin-top: -10px;
    padding: 0 0 5px 0;
  }
  .in_box .in_tit p {
    color: #888;
    line-height: 1.4;
    font-size: 12px;
  }
  /* in_case */
  .in_case .tab {
    padding: 0 0 12px 0;
    margin: -2px;
    display: block;
    overflow: hidden;
  }
  .in_case .tab li {
    margin: 2px;
    float: left;
  }
  .in_case .tab li a {
    font-size: 13px;
    padding: 5px 10px;
  }
  .in_case .xun {
    margin: -5px;
  }
  .in_case .xun li {
    width: 50%;
    padding: 5px;
  }
  .in_case .xun li span {
    line-height: 34px;
  }
  .in_case .xun li:nth-child(10) {
    display: block;
  }
  /* in_fuwu */
  .in_fuwu {
    margin-top: 20px;
  }
  .in_fuwu .xun {
    margin: -5px;
  }
  .in_fuwu .xun .li {
    padding: 5px;
    width: 50%;
  }
  .in_fuwu .xun a {
    padding: 15px;
  }
  .in_fuwu .xun a .iconfont {
    font-size: 36px;
  }
  .in_fuwu .xun a span {
    margin-top: 5px;
    font-size: 20px;
  }
  .in_fuwu .xun a .info {
    line-height: 22px;
    height: 88px;
    margin: 10px 0;
    font-size: 12px;
  }
  .in_fuwu .xun a em {
    max-width: 100px;
    line-height: 34px;
  }
  .in_fuwu .xun .li:last-child {
    width: 100%;
  }
  .in_fuwu .xun .li:last-child .info {
    display: -webkit-box;
    display: -moz-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: center;
    justify-content: center;
    font-size: 14px;
    height: auto;
    line-height: 25px;
  }
  .in_fuwu .xun .li:last-child .info .w {
    padding: 0 10px;
  }
  /* in_liyou */
  .in_liyou .box {
    display: block;
    overflow: hidden;
  }
  .in_liyou .box ul {
    width: 100%;
    margin: 0 !important;
    padding: 0;
  }
  .in_liyou .box ul li {
    margin-top: 0;
    border-bottom: 1px dashed #ccc;
    padding: 15px;
    background: #fff;
  }
  .in_liyou .box ul li .tit {
    font-size: 18px;
    min-height: 36px;
    padding: 0 0 0 45px;
  }
  .in_liyou .box ul li .tit i {
    width: 36px;
    height: 36px;
    font-size: 20px;
  }
  .in_liyou .box ul li .text {
    padding: 8px 0 0 0;
    font-size: 14px;
    line-height: 1.6;
  }
  .in_liyou .box .pic {
    display: none;
  }
  .in_liyou .box:last-child ul li:last-child {
    border-bottom: 0;
  }
  /* in_liucheng */
  .in_liucheng ul {
    display: block;
    overflow: hidden;
  }
  .in_liucheng ul:before {
    display: none;
  }
  .in_liucheng ul:after {
    display: none;
  }
  .in_liucheng ul li {
    float: left;
    width: 25%;
    padding: 25px 0 12px 0;
  }
  .in_liucheng ul li .icon {
    margin: 0 auto;
    width: 60px;
    height: 60px;
    font-size: 30px;
  }
  .in_liucheng ul li span {
    font-size: 14px;
    padding: 8px 0 0 0;
  }
  .in_liucheng ul li > i {
    display: none;
  }
  .in_liucheng ul li em {
    font-size: 16px;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 0px;
    background: #ccc;
    display: -webkit-box;
    display: -moz-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    color: #fb373a;
    z-index: 5;
  }
  .in_liucheng ul li:first-child {
    margin-left: 12.5%;
  }
  /* in_news */
  .in_news {
    display: block;
    overflow: hidden;
  }
  .in_news .news {
    width: 100%;
    padding: 0 0 20px 0;
  }
  .in_news .news .tab {
    margin-bottom: 15px;
  }
  .in_news .news .tab li {
    padding: 0 15px;
    height: 40px;
    font-size: 16px;
  }
  .in_news .news .tab li .iconfont {
    font-size: 20px;
    margin-right: 5px;
  }
  .in_news .news .tab li .more {
    font-size: 12px;
    padding: 0 10px;
  }
  .in_news .news .xun dl {
    margin: 0;
  }
  .in_news .news .xun dl dt {
    padding: 0;
    margin-bottom: 5px;
  }
  .in_news .news .xun dl dt .pic img {
    width: 140px;
    height: 80px;
  }
  .in_news .news .xun dl dt .box {
    padding: 0 0 0 10px;
  }
  .in_news .news .xun dl dt .box span {
    font-size: 16px;
    border-bottom: 1px dashed #ddd;
    padding: 0 0 10px 0;
  }
  .in_news .news .xun dl dt .box p {
    line-height: 20px;
    height: 40px;
    margin: 7px 0 0 0;
    font-size: 12px;
  }
  .in_news .news .xun dl dt .box em {
    display: none;
  }
  .in_news .news .xun dl dd {
    width: 100%;
    padding: 0;
  }
  .in_news .news .xun dl dd a {
    padding: 0 80px 0 10px;
    background-size: 5px auto;
    line-height: 40px;
  }
  .in_news .news .xun dl dd a em {
    font-size: 12px;
  }
  .in_news .help {
    width: 100%;
    padding: 0 10px;
  }
  .in_news .help .tit {
    height: 42px;
  }
  .in_news .help .tit .iconfont {
    font-size: 30px;
  }
  .in_news .help .tit a {
    font-size: 12px;
  }
  .in_news .help .gund {
    padding: 10px 0;
  }
  .in_news .help .gund a {
    padding: 10px 0;
  }
  .in_news .help .gund span {
    padding: 0 0 0 28px;
    line-height: 22px;
    font-size: 16px;
  }
  .in_news .help .gund span:before {
    width: 22px;
    height: 22px;
  }
  .in_news .help .gund p {
    margin-top: 5px;
    padding: 0 0 0 28px;
    height: 42px;
    line-height: 22px;
  }
  .in_news .help .gund p:before {
    width: 22px;
    height: 22px;
  }
  /* in_kehu */
  .in_kehu {
    padding: 0 30px;
    margin: 0 -10px;
  }
  .in_kehu .swiper-slide a {
    padding: 5px;
  }
  .in_kehu .kehu-next,
  .in_kehu .kehu-prev {
    width: 30px;
    height: 100%;
    top: 0px;
    margin-top: 0;
    font-size: 20px;
    background-color: rgba(0, 0, 0, 0.5);
    color: #fff;
  }
  .in_kehu .kehu-prev {
    left: 0px;
  }
  .in_kehu .kehu-next {
    right: 0px;
  }
  /* link */
  .link {
    display: none;
  }
  /* main */
  .main {
    padding: 20px 0 30px 0;
  }
  .main .flex_main {
    display: block;
  }
  .main .flex_main .main_left {
    display: none;
  }
  .main .flex_main .main_right {
    width: 100%;
    padding: 0;
  }
  .main .flex_main .position {
    display: none;
  }
  .main .web_tit {
    display: -webkit-box;
    display: -moz-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: center;
    justify-content: center;
    padding: 0 0 20px 0;
    overflow: hidden;
    white-space: nowrap;
    color: #fb373a;
    line-height: 1;
  }
  .main .web_tit .cen {
    position: relative;
  }
  .main .web_tit .cen p {
    text-transform: capitalize;
    font-size: 20px;
    letter-spacing: 1px;
  }
  .main .web_tit .cen p:first-letter {
    font-size: 62px;
    color: #fb373a;
    margin-right: 5px;
  }
  .main .web_tit .cen span {
    position: absolute;
    left: 50px;
    bottom: 32px;
    font-size: 24px;
    color: #333;
  }
  /* list_case */
  .list_case li {
    width: 50%;
  }
  .list_case li span {
    padding: 8px 0 0 0;
    font-size: 14px;
  }
  /* list_news */
  .list_news {
    margin: -8px 0;
  }
  .list_news li {
    padding: 8px 0;
  }
  .list_news li .pic {
    width: 140px;
    height: 80px;
  }
  .list_news li .box {
    padding: 0 0 0 10px;
  }
  .list_news li .box .bt {
    font-size: 16px;
    border-bottom: 1px dashed #ddd;
    padding: 0 0 10px 0;
  }
  .list_news li .box p {
    line-height: 20px;
    height: 40px;
    margin: 7px 0 0 0;
    font-size: 12px;
  }
  .list_news li .box .but {
    display: none;
  }
  /* list_ver */
  .list_ver li {
    padding: 0;
  }
  .list_ver li .container {
    padding: 0;
    display: block;
    overflow: hidden;
  }
  .list_ver li .pic {
    width: 100%;
  }
  .list_ver li .box {
    width: 100%;
    padding: 15px;
    overflow: hidden;
  }
  .list_ver li .box .bt {
    text-align: center;
  }
  .list_ver li .box .bt span {
    font-size: 24px;
    padding: 0 0 3px 0;
  }
  .list_ver li .box .bt em {
    font-size: 18px;
  }
  .list_ver li .box .text {
    padding: 10px 0;
    line-height: 1.8;
    font-size: 14px;
  }
  .list_ver li .box .but {
    font-size: 12px;
    height: 34px;
    width: 110px;
    margin: 0 auto;
  }
  .list_ver li:nth-child(even) .box {
    padding: 15px;
  }
  /* box_page */
  .box_page {
    line-height: 1.8;
  }
  .box_page hr {
    height: 8px;
  }
  /* box_contact */
  .box_contact ul {
    margin: 0;
  }
  .box_contact ul:before {
    display: none;
  }
  .box_contact ul li {
    width: 100%;
    padding: 0;
    margin-top: 20px;
    line-height: 1.8;
  }
  .box_contact ul li .tit1 span {
    padding: 0;
    margin: 0 0 10px 0;
  }
  .box_contact ul li .tit2 {
    font-size: 16px;
    padding: 5px 0 0 0;
  }
  .box_contact ul li .map {
    height: 240px;
    margin-top: 10px;
  }
  .box_contact ul li:first-child {
    margin-top: 0;
  }
  /* view_case */
  .view_case .bt {
    font-size: 20px;
  }
  .view_case .cs {
    padding: 5px 0 0 0;
  }
  .view_case .cs li {
    padding: 0 5px;
  }
  .view_case .video {
    padding: 15px 0 0 0;
  }
  .view_case .video iframe,
  .view_case .video video {
    height: 210px;
  }
  .view_case .body {
    padding: 15px 0;
    line-height: 1.8;
  }
  .view_case .body hr {
    height: 8px;
  }
  .view_case .sxp {
    line-height: 24px;
    padding: 0;
  }
  .view_case .sxp .bdsharebuttonbox {
    display: none;
  }
  .view_case .xgxw {
    padding: 10px 0 0 0;
  }
  .view_case .xgxw .b_tit {
    height: 30px;
  }
  .view_case .xgxw .b_tit span {
    height: 30px;
    padding: 0 5px;
    font-size: 16px;
  }
  .view_case .xgxw ul {
    margin: 8px 0 0 0;
  }
  .view_case .xgxw ul li {
    width: 100%;
    padding: 0;
  }
  .view_case .xgxw ul li a {
    line-height: 26px;
    padding: 0 0 0 15px;
    font-size: 14px;
  }
  /* view_news */
  .view_news .bt {
    font-size: 20px;
    padding: 0 0 5px 0;
  }
  .view_news .cs {
    padding: 5px 0 0 0;
  }
  .view_news .cs li {
    padding: 0 5px;
  }
  .view_news .body {
    padding: 15px 0;
    line-height: 1.8;
  }
  .view_news .body hr {
    height: 8px;
  }
  .view_news .sxp {
    line-height: 24px;
    padding: 0;
  }
  .view_news .sxp .bdsharebuttonbox {
    display: none;
  }
  .view_news .xgxw {
    padding: 10px 0 0 0;
  }
  .view_news .xgxw .b_tit {
    height: 30px;
  }
  .view_news .xgxw .b_tit span {
    height: 30px;
    padding: 0 5px;
    font-size: 16px;
  }
  .view_news .xgxw ul {
    margin: 8px 0 0 0;
  }
  .view_news .xgxw ul li {
    width: 100%;
    padding: 0;
  }
  .view_news .xgxw ul li a {
    line-height: 26px;
    padding: 0 0 0 15px;
    font-size: 14px;
  }
  /* view_ver */
  .view_ver .box {
    margin-top: 20px;
  }
  .view_ver .box .bt i {
    width: 40px;
    height: 40px;
    line-height: 40px;
    font-size: 24px;
    margin-right: 10px;
  }
  .view_ver .box .bt i:before {
    width: 20px;
  }
  .view_ver .box .bt i:after {
    border-left-width: 20px;
    border-right-width: 20px;
    border-top-width: 10px;
  }
  .view_ver .box .bt span {
    font-size: 20px;
  }
  .view_ver .box .body {
    padding: 18px 0 0 0;
    line-height: 1.8;
  }
  .view_ver .box .body hr {
    height: 8px;
  }
  /* pagination */
  .pagination {
    padding: 20px 0 0 0;
  }
  .pagination li {
    padding: 0;
    margin: 0 0 0 -1px;
  }
  .pagination li a,
  .pagination li span {
    padding: 0 10px;
    line-height: 28px;
    border-radius: 0;
  }
  /* web_cate */
  .web_cate {
    display: block;
  }
}