@media (min-width: 769px) {
  .video_view {
    width: 100%;
  }
  .video_view video {
    width: 780px;
    height: 500px;
  }
}
@media (max-width: 768px) {
  .about_banner .about_banner_m {
    width: 100%;
  }
  .about_banner .about_banner_m img {
    width: 100%;
  }
  .n_main .n_content .n_content_left {
    width: 100%;
    height: 40px;
    position: relative;
    padding: 10px 0px 0px 0px;
  }
  .n_main .n_content .n_content_left .n_content_right_name_r {
    display: none;
  }
  .n_main .n_content .n_content_left .n_content_right_name_r .n_content_right_name_r {
    position: absolute;
    top: 20px;
    left: 0px;
    width: auto;
    height: auto;
    color: #565656;
    font-size: 14px;
    text-align: left;
  }
  .n_main .n_content .n_content_left .n_content_right_name_r .n_content_right_name_r a {
    color: #565656;
    font-size: 14px;
  }
  .n_main .n_content .n_content_left .n_content_right_name_r .n_content_right_name_r ul li {
    float: right;
    line-height: 14px;
  }
  .n_main .n_content .n_content_left_t {
    padding: 0 15px;
  }
  .n_main .n_content .n_content_left_cnt {
    width: 100%;
    overflow: hidden;
  }
  .n_main .n_content .n_content_left_cnt > ul > ul {
    float: left;
    width: 100%;
  }
  .n_main .n_content .n_content_left_cnt > ul > ul > li > ul {
    display: none !important;
  }
  .n_main .n_content .n_content_left_cnt > ul > ul > li {
    float: left;
    line-height: 30px;
  }
  .n_main .n_content .n_content_left_cnt > ul > ul > li > a {
    height: 30px;
    line-height: 30px;
    display: block;
    color: #444444;
    padding: 0 10px;
    float: left;
    font-size: 12px;
  }
  .n_main .n_content .n_content_left_cnt > ul > ul .left_menu1_cur > a,
  .n_main .n_content .left_menu1_2 > a {
    background: #007cc2;
    color: #fff;
  }
  .n_main .n_content .n_content_right {
    padding: 70px 15px;
  }
  .n_main .n_content .n_content_right img {
    max-width: 100%;
  }
  .nvideo_lb_m {
    position: relative;
    margin-bottom: 10px;
  }
  .nvideo_lb_con {
    width: 100%;
    position: relative;
    height: 72px;
    margin: 28px 0px 0px 0px;
    overflow: hidden;
  }
  .nvideo_lb_title {
    width: 100%;
    height: 16px;
    line-height: 16px;
    color: #010101;
    position: relative;
  }
  .nvideo_lb_title a {
    color: #010101;
    -webkit-transition: all ease-out 0.4s;
            transition: all ease-out 0.4s;
  }
  .nvideo_lb_title a:hover {
    color: #0072d4;
  }
  .nvideo_lb_date {
    width: auto;
    font-size: 14px;
    margin: 15px 0px 0px 0px;
    line-height: 15px;
    color: #666666;
  }
  .nvideo_lb_date1,
  .nvideo_lb_date2,
  .nvideo_lb_date3,
  .nvideo_lb_date4,
  .nvideo_lb_date5 {
    float: left;
  }
  .nvideo_lb_xq {
    position: absolute;
    width: 21px;
    height: 21px;
    right: 20px;
    -webkit-transition: all ease-out 0.4s;
            transition: all ease-out 0.4s;
    bottom: -40px;
    background: url(../image/nvideo_lb_xq-20171031152816206.png);
  }
  .nvideo_lb_xq a {
    display: block;
    width: 100%;
    height: 100%;
  }
  .nvideo_lb_m:hover .nvideo_lb_xq {
    bottom: 40px;
  }
  .video_view {
    width: 100%;
  }
  .xn_c_videov_5_wrap {
    display: none;
  }
  #EIMS_C_3_1_box_div {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
        -ms-flex-direction: column;
            flex-direction: column;
  }
  #EIMS_C_3_1_box_div a {
    color: #777;
    margin-top: 10px;
  }
  .xn_c_videov_7_topbox {
    margin-top: 20px;
  }
  .xn_c_videov_7_wbox {
    width: 100%;
    margin: 25px 0px 0px 0px;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-flex-wrap: wrap;
        -ms-flex-wrap: wrap;
            flex-wrap: wrap;
  }
  .xn_c_videov_7_nrbox2 {
    width: 48%;
    margin: 1%;
  }
  .xn_c_videov_7_nrbox2 img {
    width: 100%;
  }
  .xn_c_videov_7_wbox > div {
    position: relative;
  }
  .xn_c_videov_7_name > a {
    display: block;
    width: 100%;
    height: auto;
    color: #000000;
    font-size: 12px;
    line-height: 12px;
    -webkit-transition: all ease-out 0.4s;
            transition: all ease-out 0.4s;
  }
  .xn_c_videov_7_time {
    color: #666666;
    font-size: 12px;
    line-height: 22px;
  }
}