@media (max-width:1340px) {
  #main_content, .top, .wrapper {
    width: 89%
  }
}

@media (max-width:1150px) {
  .header .m-btn {
    display: block
  }

  #main_content, .top, .wrapper {
    width: 89%
  }

  .prod .hot, .prod .list {
    width: 100%;
    float: none
  }

  .nav {
    display: none
  }

  .header .top {
    padding: 18px 0;
    height: auto
  }

  .header .logo {
    margin: 0
  }

  .mtitle {
    padding: 46px 10px
  }

  .youshi .bd li h2 {
    line-height: 50px
  }

  .youshi .bd li .desc {
    padding: 0 20px
  }

  .prod .cate:after {
    content: ".";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
    overflow: hidden
  }

  #main_content:before, #side, .kehu .next, .kehu .prev {
    display: none
  }

  .prod .hot, .prod .list li .pic, .prod .list li .pic img {
    height: auto
  }

  .prod .cate a {
    margin: 0 1px 1px 0
  }

  .prod .hot {
    margin-bottom: 20px
  }

  .prod .list li {
    width: 32.2%;
    margin: 0 1.7% 1.7% 0
  }

  .prod .list li:nth-child(3n+0) {
    margin-right: 0
  }

.mnav.on{ right: 0; }
  .about .pic {
    float: none;
    width: 96%;
  }

  .about .pic img {
    width: 100%
  }

  .about .desc {
    float: none;
    width: auto
  }
  .factory .bd img{ width: 100% !important;}
  .youshi .bd li .pic{ padding-top: 30px; }

  #main, .factory, .faqs, .news {
    float: none;
    width: 100%
  }

  .about .desc .link a {
    margin: 0 auto
  }

  .row {
    padding: 32px 0 20px;
    background: #fff
  }

  .row .hd {
    margin-bottom: 0
  }

  .faqs, .news {
    margin: 0 0 20px
  }

  .factory li.end {
    margin-right: 16px
  }

  #main_content {
    margin-top: -50px
  }

  .pic_list .li, .pic_list2 .li {
    width: 33.3333%;
    box-sizing: border-box;
    margin: 0;
    padding: 10px
  }
}
.sjyc{ display: block;}
.sjcx{ display: none; }
@media (max-width:768px) {
  .gbook textarea, .prod .cate a, .prod .hot, .prod .list, .prod .list li {
    box-sizing: border-box
  }
  .sjyc{ display: none;}
  .sjcx{ display: block; }
.nbanner .banner{ height: auto !important; }
.nbanner .banner img{ width: 200%; position:relative;  max-width: inherit; }
.prod .list li a:hover .desc {
    display: none
  }

  #main_content, .top, .wrapper {
    width: 100%
  }

  .header {
    border-bottom: 1px solid #ddd
  }

  .header .top {
    padding: 18px 0;
    width: 95%
  }

  .header .logo img {
    height: 40px
  }

  .mtitle {
    padding: 30px 10px
  }

  .mtitle p {
    line-height: 24px;
    padding: 10px 0
  }

  .mnav .navhd {
    height: 78px
  }

  .youshi .bd li {
    width: 33.33333%;
    margin: 0
  }

  .prod {
    padding-bottom: 0
  }

  .prod .cate {
    padding-left: 1px
  }

  .prod .cate a {
    float: left;
    width: calc(33.3333% - 1px);
    margin: 0 1px 1px 0
  }

  .prod .hot {
    margin: 0 10px;
    width: auto
  }

  .prod .list {
    padding: 5px
  }

  .prod .list li {
    width: 50%;
    margin: 0;
    padding: 5px
  }

  .prod .list li a:hover .desc i {
    top: 60px
  }

  .prod .list li a:hover .desc h2 {
    top: 100px
  }

  .kehu .fd a {
    margin-top: 30px
  }

  .kehu {
    padding-bottom: 30px
  }

  .factory li {
    float: left;
    width: 33.3333%;
    margin: 0
  }

  .factory li a {
    display: block;
    height: auto;
    margin: 1px
  }

  .factory li a img {
    height: auto
  }

  .factory li.end {
    margin-right: 0
  }

  .row {
    padding: 10px
  }

  .row .hd {
    font-size: 20px
  }

  .about {
    padding-bottom: 30px
  }

  .about .bd {
    padding: 0 10px
  }

  .about .desc {
    padding-top: 20px
  }

  .about .desc .con {
    margin-bottom: 15px
  }

  .icontact {
    padding: 20px 10px
  }

  .icontact .info {
    width: 100%;
    margin-right: 0
  }

  .icontact .imap {
    width: 100%;
    height: auto;
    padding: 20px 0
  }

  .icontact .imap img {
    width: 100%
  }

  .fmsg {
    float: left;
    width: 100%
  }

  .gbook li {
    margin-bottom: 10px
  }

  .gbook .field input {
    width: 80%
  }

  .gbook textarea {
    width: 100%;
    height: 64px
  }

  .gbook .btn {
    width: 100%
  }

  .copyright, .links {
    padding: 10px
  }

  #main_content {
    margin-top: 0
  }

  .main_t {
    display: none
  }

  .prod_detail .prod_pic {
    float: none;
    width: 100%
  }

  .prod_detail .prod_info {
    float: none;
    width: 100%;
    margin-top: 20px
  }

  .case_list .li, .prod_list .list li {
    width: 50%;
    padding: 5px;
    box-sizing: border-box;
    margin: 0
  }

  .pic_list .li, .pic_list2 .li {
    width: 50%;
    padding: 5px
  }
}

@media (max-width:480px) {
  .header .top {
    padding: 0;
    width: 100%
  }

  .header .logo {
    padding: 6px 0 6px 12px
  }

  .header .logo img {
    height: 32px;
    display: block
  }

  .mnav .navhd {
    height: 44px
  }

  #mnav a {
    height: 50px;
    line-height: 50px;
    font-size: 14px
  }

  .mtitle {
    padding: 10px
  }

  .mtitle h2 {
    font-size: 24px
  }

  .mtitle p {
    font-size: 14px
  }

  .youshi .bd {
    padding: 0
  }

  .youshi .bd li {
    width: 33.3333%;
    margin: 0;
    height: auto;
    padding: 30px 0
  }

  .youshi .bd li .pic {
    padding-top: 0
  }

  .youshi .bd li .desc {
    position: relative;
    margin-top: -20px
  }

  .youshi .bd li .desc p {
    display: none
  }

  .youshi .bd li h2 {
    font-size: 16px;
    margin-bottom: 0;
    line-height: 40px;
    padding: 0 5px
  }

  .prod .cate {
    margin-bottom: 20px
  }

  #main {
    padding: 0 10px
  }

  .main_c {
    padding: 10px 0
  }

  .newslist .item {
    padding: 10px 0;
    margin: 0
  }

  .newslist .item .pic {
    width: 113px;
    height: 80px;
    padding: 1px
  }

  .newslist .item .desc {
    margin-left: 130px
  }

  .newslist .item .desc .title {
    font-size: 16px;
    margin-bottom: 0;
    height: 20px;
    line-height: 20px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis
  }

  .newslist .item .desc .info {
    height: 40px;
    line-height: 20px;
    margin-bottom: 0;
    font-size: 12px
  }

  .newslist .item .desc .more {
    height: 20px;
    line-height: 20px;
    font-size: 12px;
    width: 70px
  }

  .faqs_list .item {
    margin: 0;
    padding: 10px 0
  }

  .faqs_list .item .title {
    font-size: 16px
  }

  .chat h2 {
    font-size: 14px
  }

  .chat a, .chat h2 strong, .tab .tabt span {
    font-size: 16px
  }

  .chat a {
    width: 100%
  }

  .pic_detail .title {
    padding: 10px 0
  }

  .pic_detail .pic {
    padding-bottom: 10px
  }
  .header .logo{ font-size: 16px; width: 80%; }
  .header .logo a{ display: inline-block; vertical-align: middle; }
  .youshi .bd li .pic img{ height: 70px; }
  .youshi .bd li strong{ font-size: 18px; }
}