@media (max-width: 999px) {
  body {
    padding-top: 50px;
  }
  /* top */
  .top {
    display: none;
  }
  /* header */
  header {
    padding: 0;
    position: fixed;
    box-shadow: 0 0 10px #eee;
  }
  header .container {
    display: -webkit-box;
    display: -moz-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: space-between;
    justify-content: space-between;
    height: 50px;
  }
  header .container:after {
    display: none;
  }
  header .logo {
    padding: 0;
  }
  header .logo img {
    height: 35px;
  }
  header .navbut {
    display: block;
    width: 30px;
    height: 30px;
    position: relative;
  }
  header .navbut i {
    height: 2px;
    background: #000;
    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);
  }
  header nav {
    position: fixed;
    left: 0px;
    top: 50px;
    bottom: 0px;
    overflow-y: auto;
    width: 100%;
    background: #fff;
    box-shadow: 0 0 10px #eee;
    display: none;
  }
  header nav ul {
    width: 100%;
    display: block;
    -webkit-justify-content: center;
    justify-content: center;
  }
  header nav ul li > a {
    line-height: 50px;
    border: 0;
    border-radius: 0;
    border-bottom: 1px solid #eee;
    color: #000;
    font-size: 16px;
  }
  header nav ul li .iconfont {
    display: block;
    position: absolute;
    right: 0px;
    top: 0px;
    width: 50px;
    height: 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: 18px;
  }
  header nav ul li .sub {
    position: static;
    transform: translateX(0);
    background: #f5f5f5;
    border-radius: 0;
    text-align: left;
  }
  header nav ul li .sub a {
    color: #666;
    line-height: 36px;
    border-bottom: 1px solid #efefef;
  }
  header nav ul li:hover > a {
    color: #000;
  }
  header nav ul li.on > a {
    background: #2754eb;
    border-color: #0a216f;
    color: #fff;
  }
  header nav ul li.on .iconfont {
    color: #fff;
  }
  header nav .search {
    display: none;
  }
  /* footer */
  footer .flex_main {
    padding: 20px 0;
    display: block;
    line-height: 26px;
  }
  footer .flex_main .b_tit {
    padding: 0 0 10px 0;
  }
  footer .flex_main .cont {
    min-width: 350px;
    padding: 0 0 15px 0;
  }
  footer .flex_main .cont li {
    margin-top: 5px;
  }
  footer .flex_main .nav {
    display: none;
  }
  footer .flex_main .letter {
    width: 100%;
  }
  footer .flex_main .letter .form {
    padding: 5px 0 0 0;
  }
  footer .flex_main .letter .form input[type='text'] {
    height: 40px;
  }
  footer .flex_main .letter .form input[type='submit'] {
    height: 40px;
  }
  footer .copy {
    margin: 0 -10px;
    padding: 10px 10px 15px 10px;
    text-align: center;
  }
  footer .copy .text {
    padding: 0;
    font-size: 12px;
  }
  footer .copy .share {
    display: none;
  }
  /* banner */
  .banner .banner-next,
  .banner .banner-prev {
    height: 60px;
    width: 24px;
    font-size: 16px;
  }
  .banner .banner-next {
    right: 0;
  }
  .banner .banner-prev {
    left: 0;
  }
  .banner .banner-num {
    bottom: 10px;
  }
  .banner .banner-num .swiper-pagination-bullet {
    width: 24px;
    height: 2px;
    margin: 0 3px;
  }
  /* in_box */
  .in_box {
    padding: 20px 0 30px 0;
  }
  /* in_tit */
  .in_tit {
    font-size: 22px;
    letter-spacing: 0px;
    padding: 0 0 15px 0;
  }
  /* in_pro */
  .in_pro {
    display: block;
  }
  .in_pro .left {
    display: none;
  }
  .in_pro .right {
    width: auto;
    padding: 0;
    margin: -5px;
  }
  .in_pro .right li {
    padding: 5px;
  }
  .in_pro .right li span {
    left: 0px;
    top: 10px;
    right: 0px;
    font-size: 14px;
    text-align: center;
    background-color: rgba(0, 0, 0, 0.3);
    color: #fff;
    line-height: 30px;
  }
  .in_pro .right li:hover span {
    top: 10px;
    left: 0px;
    right: 0px;
  }
  /* in_about */
  .in_about .text {
    padding: 0;
    font-size: 14px;
    line-height: 1.6;
  }
  .in_about .but {
    padding: 15px 0 0 0;
  }
  .in_about .but li a {
    height: 38px;
    font-size: 16px;
    width: 145px;
  }
  .in_about .but li a .iconfont {
    font-size: 20px;
    margin-right: 10px;
  }
  .in_about .but li:first-child a {
    margin-right: 10px;
  }
  /* in_news */
  .in_news {
    padding: 20px 0 0 0;
    margin: -10px 0;
  }
  .in_news li {
    width: 100%;
    padding: 10px 0;
    border-bottom: 1px solid #eee;
  }
  .in_news li .pic {
    margin-right: 10px;
  }
  .in_news li .pic img {
    width: 100px;
    height: 80px;
  }
  .in_news li .box span {
    font-size: 16px;
    height: 30px;
    margin-bottom: 8px;
    border-bottom: 1px dotted #eee;
  }
  .in_news li .box em {
    display: none;
  }
  .in_news li .box p {
    line-height: 20px;
    height: 40px;
    font-size: 14px;
  }
  .in_news li:last-child {
    border-bottom: 0;
  }
  /* main */
  .main {
    padding: 20px 0 30px 0;
  }
  .main .position {
    display: none;
  }
  .main .flex_main {
    display: block;
  }
  .main .flex_main .main_left {
    width: auto;
    margin: -20px -10px 0 -10px;
  }
  .main .flex_main .main_left .b_tit {
    height: 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: space-between;
    justify-content: space-between;
    border-bottom: 0;
    padding: 0 10px;
    background: #f0f0f0;
    transition: all 0.3s;
  }
  .main .flex_main .main_left .b_tit .iconfont {
    display: block;
    font-size: 20px;
    transition: all 0.3s;
    color: #000;
  }
  .main .flex_main .main_left .b_tit.cur {
    background: #2754eb;
    color: #fff;
  }
  .main .flex_main .main_left .b_tit.cur .iconfont {
    transform: scaleY(-1);
    color: #fff;
  }
  .main .flex_main .main_left .menu ul {
    display: none;
  }
  .main .flex_main .main_left .menu li:hover a {
    color: #555;
  }
  .main .flex_main .main_left .menu li.on a {
    background: #f8f8f8;
    color: #2754eb;
  }
  .main .flex_main .main_right {
    width: 100%;
    padding: 15px 0 0 0;
  }
  .main .flex_main .main_right .cate_tit {
    display: none;
  }
  /* proxun */
  .proxun {
    display: none;
  }
  /* newsxun */
  .newsxun {
    display: none;
  }
  /* box_page */
  .box_page .b_tit {
    font-size: 22px;
    padding: 0 0 5px 0;
  }
  .box_page .body {
    line-height: 1.8;
  }
  .box_page .body img {
    padding: 5px 0;
  }
  /* list_news */
  .list_news {
    margin: -10px 0;
  }
  .list_news li {
    padding: 10px 0;
  }
  .list_news li .pic {
    margin-right: 10px;
    overflow: hidden;
  }
  .list_news li .pic img {
    width: 100px;
    height: 80px;
  }
  .list_news li .box span {
    font-size: 16px;
    height: 30px;
    margin-bottom: 8px;
    border-bottom: 1px dotted #eee;
  }
  .list_news li .box em {
    display: none;
  }
  .list_news li .box p {
    line-height: 20px;
    height: 40px;
    font-size: 14px;
  }
  /* list_pro */
  .list_pro {
    margin: -5px;
  }
  .list_pro li {
    width: 50%;
    padding: 5px;
  }
  .list_pro li span {
    line-height: 36px;
  }
  /* view_news */
  .view_news .bt {
    font-size: 18px;
  }
  .view_news .cs {
    padding: 5px 0 0 0;
  }
  .view_news .body {
    margin: 10px 0;
    padding: 10px 0;
    line-height: 1.8;
  }
  .view_news .body img {
    padding: 5px 0;
  }
  .view_news .b_tit {
    height: 30px;
    margin: 10px 0;
  }
  .view_news .b_tit:before {
    height: 1px;
  }
  .view_news .b_tit span {
    height: 30px;
    border-bottom: 1px solid #2754eb;
  }
  .view_news .xgxw {
    margin: 0;
  }
  .view_news .xgxw li {
    width: 100%;
    padding: 0;
    border-bottom: 1px solid #eee;
  }
  .view_news .xgxw li a {
    line-height: 34px;
  }
  /* view_pro */
  .view_pro .flex_main {
    display: block;
  }
  .view_pro .flex_main .box {
    width: 100%;
    padding: 20px 0 0 0;
  }
  .view_pro .flex_main .box .tit {
    padding: 0 0 8px 10px;
    margin: 0 -10px;
  }
  .view_pro .flex_main .box .text {
    padding: 8px 0 0 0;
  }
  .view_pro .ppic {
    width: 100%;
  }
  .view_pro .ppic .probansmall {
    margin-top: 8px;
  }
  .view_pro .ppic .probansmall .swiper-slide {
    padding: 0 4px;
  }
  .view_pro .b_tit {
    height: auto;
    margin: 10px -10px;
  }
  .view_pro .b_tit:before {
    height: 1px;
  }
  .view_pro .b_tit span {
    height: 36px;
    line-height: 36px;
    border-bottom: 1px solid #2754eb;
    background: #2754eb;
    padding: 0 10px;
    color: #fff;
  }
  .view_pro .body {
    line-height: 1.8;
  }
  .view_pro .body img {
    padding: 5px 0;
  }
  .view_pro .list_pro li:nth-child(3) {
    display: none;
  }
  /* 分页 */
  .arcpages {
    padding: 20px 0 0 0;
  }
  .arcpages li {
    margin: 0 0 0 -1px;
    line-height: 30px;
    border-radius: 0;
  }
  .arcpages li a {
    padding: 0 10px;
  }
  .arcpages li.pageinfo {
    display: none;
  }
  /* tan_pic */
  .tan_pic {
    padding: 40px 0 30px 0;
  }
  .tan_pic .close {
    width: 40px;
    height: 40px;
    line-height: 40px;
    font-size: 24px;
  }
  .tan_pic .swiper-pagination-bullets {
    bottom: 10px;
  }
  .tan_pic .swiper-pagination-bullet {
    width: 25px;
    height: 4px;
    margin: 0 5px;
  }
  .tan_pic .swiper-pagination-bullet-active {
    background: #2754eb;
  }
  .tan_pic .swiper-button-next,
  .tan_pic .swiper-button-prev {
    width: 30px;
    height: 60px;
    line-height: 60px;
    margin-top: -30px;
    font-size: 24px;
    background-color: rgba(0, 0, 0, 0.5);
    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;
  }
  .tan_pic .swiper-button-next:hover,
  .tan_pic .swiper-button-prev:hover {
    background-color: rgba(39, 84, 235, 0.5);
    color: #fff;
  }
  /* box_mess */
  .box_mess {
    padding: 10px;
  }
  .box_mess ul {
    margin: -2px 0;
  }
  .box_mess ul li {
    width: 100%;
    padding: 2px 0;
  }
  .box_mess ul li.but {
    padding: 5px 0;
  }
}