@media screen and (max-width: 767px) {
  html {
    min-width: 100% !important;
  }
  body {
    min-width: 100% !important;
  }
  .m-video img {
    width: 100%;
  }
  .p_mt70 {
    margin-top: 0 !important;
  }
  .fixedbuy {
    width: 34px;
    height: 34px;
    background-image: url("../source/top.jpg");
    position: fixed;
    bottom: 10px;
    right: 10px;
  }
  .full {
    width: 100%;
  }
  .full .btn {
    display: inline-block;
    width: 134px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    font-size: 18px;
    border: 2px solid #fff;
  }
  .full .top_nav {
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: auto;
  }
  .full .top_nav .sub-nav {
    height: 0;
    opacity: 0;
    width: 100%;
    text-align: right;
    background-color: #fff;
    font-size: 0;
    box-shadow: 0 0px 5px #2d3743;
    padding-left: 60px;
    padding-right: 10px;
  }
  .full .top_nav .sub-nav li {
    display: none;
    padding: 0 9px 10px 9px;
    border-top: 0 none;
    border-bottom: 0 none;
    margin-left: -1px;
    vertical-align: top;
    float: right;
  }
  .full .top_nav .sub-nav li ul {
    padding-right: 0;
  }
  .full .top_nav .sub-nav li ul li {
    font-size: 12px;
    display: block;
    padding: 0;
    line-height: 25px;
    border: 0 none;
  }
  .full .top_nav .sub-nav li ul li a {
    padding-left: 10px;
    margin-left: 4px;
  }
  .full .top_nav .top_nav_content {
    width: 100%;
    height: auto;
  }
  .full .top_nav .top_nav_content h1.logo {
    position: fixed;
    z-index: 2;
    top: 0;
    left: 0;
    text-indent: -9999em;
    display: inline-block;
    width: 55px;
    height: 76px;
    background-image: url("../source/logo.png");
    background-size: contain;
  }
  .full .top_nav .top_nav_content h1.logo a {
    display: block;
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
  }
  .full .top_nav .top_nav_content .right {
    position: fixed;
    padding-right: 0;
    width: 100%;
    top: 0;
    right: 10px;
    left: 0;
    height: 54px;
    background-color: #2c3642;
  }
  .full .top_nav .top_nav_content .right .top_nav_menu {
    margin-top: 0;
    padding-right: 5px;
    text-align: right;
  }
  .full .top_nav .top_nav_content .right .top_nav_menu li {
    display: inline-block;
    margin-left: 0;
    text-transform: uppercase;
    font-size: 12px;
    padding: 0 5px;
    line-height: 54px;
    position: relative;
    transition: all 0.2s;
  }
  .full .top_nav .top_nav_content .right .top_nav_menu li:hover .sub-nav {
    height: 60px;
  }
  .full .top_nav .top_nav_content .right .top_nav_menu li a {
    color: #fff;
  }
  .full .baner_contnet {
    height: 420px;
    position: relative;
    top: 54px;
    left: 0;
    width: 100%;
  }
  .full .baner_contnet._m_page_banner {
    height: 300px;
  }
  .full .baner_contnet._m_page_banner ._m_banner {
    height: 300px;
  }
  .full .baner_contnet._m_page_banner ._m_banner ul {
    width: 100%;
  }
  .full .baner_contnet._m_page_banner ._m_banner ul li {
    background-position: 0 0;
    height: 300px;
    background-attachment: fixed;
  }
  .full .baner_contnet ._m_banner {
    position: relative;
    width: 100%;
    height: 366px;
    overflow: hidden;
  }
  .full .baner_contnet ._m_banner ul {
    position: absolute;
    top: 0;
    left: 0;
  }
  .full .baner_contnet ._m_banner ul li {
    float: left;
    width: 100%;
    height: 366px;
    background-repeat: no-repeat;
    background-position: center 0;
  }
  .full .baner_contnet ._m_banner ._m_dots {
    text-align: center;
    position: absolute;
    bottom: 8px;
    left: 0;
    right: 0;
    z-index: 10;
  }
  .full .baner_contnet ._m_banner ._m_dots span {
    cursor: pointer;
    padding: 4px;
    margin: 0;
    font-size: 0;
    margin: 0 3px;
    border-radius: 15px;
    border: 1px solid #fff;
  }
  .full .baner_contnet ._m_banner ._m_dots span:hover,
  .full .baner_contnet ._m_banner ._m_dots span.current {
    background-color: #fff;
  }
  .full .baner_contnet ._m_banner .intro {
    position: absolute;
    top: 50%;
    width: 100%;
    text-align: center;
    transform: translateY(-50%);
  }
  .full .baner_contnet ._m_banner .intro span {
    display: block;
    font-size: 31px;
    text-align: center;
    color: #fff;
    font-weight: bold;
    margin-bottom: 8px;
  }
  .full .baner_contnet ._m_banner .intro span em {
    color: #f7c929;
    font-style: normal;
  }
  .full .baner_contnet ._m_banner .intro a {
    margin-top: 39px;
    color: #fff;
  }
  .full .content {
    width: 100%;
    font-size: 0;
    overflow: hidden;
    margin-top: 54px;
  }
  .full .content .right {
    width: 100%;
    font-size: 14px;
  }
  .full .content .right.page_info h2 {
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
  }
  .full .content .right.page_info p {
    width: 100% !important;
    float: none;
  }
  .full .content .right.page_info .text-center img {
    float: none;
    width: 80%;
  }
  .full .content .right .aobut_us {
    padding: 5px 15px;
    border-top: 0 none;
  }
  .full .content .right .aobut_us h3 {
    clear: both;
  }
  .full .content .right .aobut_us .map {
    width: 100%;
    height: 400px;
    border: 1px solid #ccc;
  }
  .full .content .right .aobut_us h2 {
    font-size: 25px;
    margin-bottom: 25px;
    background-position: left 5px;
  }
  .full .content .right .aobut_us h2 span {
    border-bottom: 0 none;
  }
  .full .content .right .aobut_us h2.index span {
    border-bottom: 2px solid #2c3642;
  }
  .full .content .right .aobut_us p {
    line-height: 20px;
    width: 100%;
  }
  .full .content .right .aobut_us p.text-right {
    text-align: center;
  }
  .full .content .right .aobut_us p.text-right a {
    text-decoration: none;
    color: #333;
    border: 2px solid #2c3642;
    font-size: 15px;
  }
  .full .content .right .aobut_us img {
    width: 100%;
    float: none;
    margin: 0 auto;
  }
  .full .content .right .video {
    width: 860px;
    height: 220px;
  }
  .full .content .right .video a {
    display: block;
  }
  .full .content .right .video a img {
    width: 100%;
    height: 100%;
  }
  .full .content .right .products-intro,
  .full .content .right .case-intro {
    font-size: 0;
    width: 100%;
    overflow: hidden;
  }
  .full .content .right .products-intro h3,
  .full .content .right .case-intro h3 {
    overflow: hidden;
    font-size: 20px;
    line-height: 25px;
    border-bottom: 1px solid #e1e1e1;
    padding: 10px 0;
    margin-bottom: 40px;
    font-weight: bold;
    text-align: center;
  }
  .full .content .right .products-intro h3 .back-link,
  .full .content .right .case-intro h3 .back-link {
    float: right;
    font-size: 14px;
    font-weight: normal;
  }
  .full .content .right .products-intro .products-img,
  .full .content .right .case-intro .products-img,
  .full .content .right .products-intro .case-img,
  .full .content .right .case-intro .case-img {
    width: 80%;
  }
  .full .content .right .products-intro .products-img img,
  .full .content .right .case-intro .products-img img,
  .full .content .right .products-intro .case-img img,
  .full .content .right .case-intro .case-img img {
    width: 100%;
  }
  .full .content .right .products-intro .products-img.case-img,
  .full .content .right .case-intro .products-img.case-img,
  .full .content .right .products-intro .case-img.case-img,
  .full .content .right .case-intro .case-img.case-img {
    width: 320px;
    height: 244px;
  }
  .full .content .right .products-intro .case-intro-list,
  .full .content .right .case-intro .case-intro-list {
    width: 278px;
    margin: 25px auto;
    position: relative;
  }
  .full .content .right .products-intro .case-intro-list .img-content,
  .full .content .right .case-intro .case-intro-list .img-content {
    position: relative;
    width: 276px;
    height: 65px;
    overflow: hidden;
  }
  .full .content .right .products-intro .case-intro-list a.arrow-left,
  .full .content .right .case-intro .case-intro-list a.arrow-left,
  .full .content .right .products-intro .case-intro-list a.arrow-right,
  .full .content .right .case-intro .case-intro-list a.arrow-right {
    display: block;
    position: absolute;
    top: 50%;
    margin-top: -20px;
    height: 40px;
    width: 35px;
    background-color: rgba(0,0,0,0.5);
    background-repeat: no-repeat;
    background-size: 15px;
    background-position: center;
    border-radius: 5px;
    cursor: pointer;
  }
  .full .content .right .products-intro .case-intro-list a.arrow-left.arrow-left,
  .full .content .right .case-intro .case-intro-list a.arrow-left.arrow-left,
  .full .content .right .products-intro .case-intro-list a.arrow-right.arrow-left,
  .full .content .right .case-intro .case-intro-list a.arrow-right.arrow-left {
    left: -40px;
    background-image: url("../source/left.png");
  }
  .full .content .right .products-intro .case-intro-list a.arrow-left.arrow-right,
  .full .content .right .case-intro .case-intro-list a.arrow-left.arrow-right,
  .full .content .right .products-intro .case-intro-list a.arrow-right.arrow-right,
  .full .content .right .case-intro .case-intro-list a.arrow-right.arrow-right {
    right: -40px;
    background-image: url("../source/right.png");
  }
  .full .content .right .products-intro .case-intro-list .list-img-content,
  .full .content .right .case-intro .case-intro-list .list-img-content {
    position: absolute;
    top: 0;
    left: 0;
  }
  .full .content .right .products-intro .case-intro-list .list-img-content li,
  .full .content .right .case-intro .case-intro-list .list-img-content li {
    float: left;
    width: 65px;
    height: 65px;
    padding: 1px;
    transition: all 0.2s;
    border: 1px solid #e8e8e8;
    cursor: pointer;
    margin: 0 2px;
  }
  .full .content .right .products-intro .case-intro-list .list-img-content li:hover,
  .full .content .right .case-intro .case-intro-list .list-img-content li:hover,
  .full .content .right .products-intro .case-intro-list .list-img-content li.cur,
  .full .content .right .case-intro .case-intro-list .list-img-content li.cur {
    background-color: #38414a;
  }
  .full .content .right .products-intro .case-intro-list .list-img-content li img,
  .full .content .right .case-intro .case-intro-list .list-img-content li img {
    width: 100%;
    height: 100%;
  }
  .full .content .right .products-intro .case-intro-list .intro-content,
  .full .content .right .case-intro .case-intro-list .intro-content {
    border-top: 1px solid #e8e8e8;
    clear: both;
    margin-top: 40px;
    padding-top: 20px;
    line-height: 25px;
    font-size: 14px;
  }
  .full .content .right .products-intro .products-details-intro,
  .full .content .right .case-intro .products-details-intro {
    overflow: hidden;
    margin: 60px 0;
  }
  .full .content .right .products-intro .products-details-intro .mail_nav,
  .full .content .right .case-intro .products-details-intro .mail_nav {
    width: 100%;
    border-bottom: 1px solid #e8e8e8;
    overflow: hidden;
    text-align: center;
  }
  .full .content .right .products-intro .products-details-intro .mail_nav li,
  .full .content .right .case-intro .products-details-intro .mail_nav li {
    float: none;
    display: inline-block;
    padding: 10px 20px;
    font-size: 14px;
    margin-right: 10px;
    border: 1px solid #e8e8e8;
    border-bottom: 0 none;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s;
  }
  .full .content .right .products-intro .products-details-intro .mail_nav li:hover,
  .full .content .right .case-intro .products-details-intro .mail_nav li:hover,
  .full .content .right .products-intro .products-details-intro .mail_nav li.cur,
  .full .content .right .case-intro .products-details-intro .mail_nav li.cur {
    background-color: #38414a;
    color: #fff;
  }
  .full .content .right .products-intro .products-details-intro .details-intro-list,
  .full .content .right .case-intro .products-details-intro .details-intro-list {
    padding: 20px;
    font-size: 14px;
    line-height: 38px;
    min-height: 200px;
  }
  .full .content .right .products-intro .products-details-intro .details-intro-list .intro1,
  .full .content .right .case-intro .products-details-intro .details-intro-list .intro1 {
    display: none;
  }
  .full .content .right .products-list {
    font-size: 0;
    width: 100%;
    overflow: hidden;
    background-color: #fff;
    padding-top: 20px;
  }
  .full .content .right .products-list h2 {
    font-size: 25px;
    border-bottom: 0;
    padding-bottom: 0;
  }
  .full .content .right .products-list h2 span {
    padding-bottom: 10px;
    border-bottom: 3px solid #fff;
    display: inline-block;
  }
  .full .content .right .products-list .products-content,
  .full .content .right .products-list .cases-content {
    width: 100%;
    padding: 0 10px;
    margin-left: 0;
    margin-top: 20px;
  }
  .full .content .right .products-list .products-content.cases-content li,
  .full .content .right .products-list .cases-content.cases-content li {
    width: 167px;
    height: 210px;
    margin: 5px;
    padding: 1px;
  }
  .full .content .right .products-list .products-content.cases-content li img,
  .full .content .right .products-list .cases-content.cases-content li img {
    width: 163px;
    height: 172px;
  }
  .full .content .right .products-list .products-content ul,
  .full .content .right .products-list .cases-content ul {
    font-size: 0;
    height: auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
  }
  .full .content .right .products-list .products-content ul li,
  .full .content .right .products-list .cases-content ul li {
    width: 168px;
    height: 168px;
    margin: 0 4px;
    margin-bottom: 20px;
    background-color: #fff;
  }
  .full .content .right .products-list .products-content ul li img,
  .full .content .right .products-list .cases-content ul li img {
    width: 100%;
    height: 117px;
    position: relative;
    top: 0;
    left: 0;
  }
  .full .content .right .products-list .products-content ul li span,
  .full .content .right .products-list .cases-content ul li span {
    position: absolute;
    bottom: 10px;
    left: 0;
    right: 0;
    z-index: 2;
    font-size: 14px;
    text-align: center;
    color: #000;
  }
  .full .content .right .products-list .page-list {
    width: 100%;
    text-align: center;
    margin: 10px 0;
    font-size: 0;
    clear: both;
  }
  .full .content .right .products-list .page-list a {
    display: inline-block;
    padding: 5px 18px;
    margin: 0 15px;
    background-repeat: no-repeat;
    background-position: center;
    font-size: 14px;
    border: 1px solid #38414a;
    background-color: #38414a;
    color: #fff;
    margin-left: -1px;
    transition: background-color 0.2s;
  }
  .full .content .right .products-list .page-list a:hover {
    background-color: #38414a;
    background-color: #38414a;
    color: #fff;
  }
  .full .footer {
    border-top: 0 none;
    background-color: #313e47;
    margin-top: 0;
  }
  .full .footer ._m_content {
    padding: 20px 16px 0 16px;
  }
  .full .footer ._m_content .share_content {
    font-size: 0;
  }
  .full .footer ._m_content .share_content i {
    display: inline-block;
    width: 32px;
    height: 32px;
    text-indent: -9999em;
    background-size: contain;
    margin-right: 5px;
  }
  .full .footer ._m_content .share_content i.icon_wb {
    background-image: url("../source/m_wb.png");
  }
  .full .footer ._m_content .share_content i.icon_wx {
    background-image: url("../source/m_wx.png");
  }
  .full .footer ._m_content .pro_content {
    font-size: 0;
  }
  .full .footer ._m_content .pro_content h2 {
    font-size: 14px;
    color: #efefef;
    margin-top: 20px;
    margin-bottom: 25px;
  }
  .full .footer ._m_content .pro_content dl {
    display: flex;
    justify-content: flex-start;
    flex-wrap: wrap;
    font-size: 14px;
    color: #efefef;
  }
  .full .footer ._m_content .pro_content dl dd {
    width: 170px;
    line-height: 30px;
    color: #bbb;
  }
  .full .footer ._m_content .us_content dl dt {
    font-size: 14px;
    color: #efefef;
    margin-top: 20px;
    margin-bottom: 25px;
  }
  .full .footer ._m_content .us_content dl dd {
    line-height: 30px;
    color: #bbb;
  }
}