@media (max-width: 1400px) { .container { width: 1200px; }
  header { height: 100px; }
  header .logo { height: 100px; line-height: 100px; }
  header .logo img { padding: 15px 0; }
  header nav > ul > li { width: 100px; }
  header nav > ul > li > a { line-height: 100px; font-size: 16px; }
  header .qq-kf { height: 35px; line-height: 35px; margin-top: 32.5px; padding-left: 40px; font-size: 18px; background-size: auto 100%; }
  header .tel { line-height: 30px; margin-top: 35px; margin-left: 30px; padding-left: 35px; font-size: 30px; background-size: auto 100%; }
  .index-main .item-box1 .item { width: 580px; height: 375px; }
  .index-main .item-box1 .item .mod-box { height: 200px; }
  .index-main .item-box1 .item .mod-box .info { width: 210px; }
  .index-main .item-box1 .item .mod-box .info h2 { padding-top: 20px; font-size: 24px; }
  .index-main .item-box1 .item .mod-box .info p { line-height: 26px; font-size: 14px; }
  .index-main .item-box1 .item .mode-list ul li { line-height: 36px; }
  .index-main .item-box1 .item .mode-list ul li:before { top: 14.5px; }
  .index-main .item-box1 .item .mode-list ul li a { font-size: 14px; }
  .index-main .item-box3 .news-slide .news-list { margin-top: 40px; }
  .index-main .item-box3 .news-slide .news-list .pic-news, .index-main .item-box3 .news-slide .news-list .two-news, .index-main .item-box3 .news-slide .news-list ul { width: 33.33%; margin-left: 0; padding-left: 10px; }
  .index-main .item-box3 .news-slide .news-list .pic-news .item, .index-main .item-box3 .news-slide .news-list .two-news .item { height: 195px; margin-bottom: 10px; }
  .index-main .item-box3 .news-slide .news-list .pic-news .info, .index-main .item-box3 .news-slide .news-list .pic-news .item, .index-main .item-box3 .news-slide .news-list .two-news .info, .index-main .item-box3 .news-slide .news-list .two-news .item { padding: 70px 20px 0 20px; }
  .index-main .item-box3 .news-slide .news-list .pic-news .info .date, .index-main .item-box3 .news-slide .news-list .pic-news .item .date, .index-main .item-box3 .news-slide .news-list .two-news .info .date, .index-main .item-box3 .news-slide .news-list .two-news .item .date { width: 70px; height: 55px; font-size: 13px; }
  .index-main .item-box3 .news-slide .news-list .pic-news .info .date b, .index-main .item-box3 .news-slide .news-list .pic-news .item .date b, .index-main .item-box3 .news-slide .news-list .two-news .info .date b, .index-main .item-box3 .news-slide .news-list .two-news .item .date b { padding-top: 5px; font-size: 20px; }
  .index-main .item-box3 .news-slide .news-list .pic-news .info .text, .index-main .item-box3 .news-slide .news-list .pic-news .item .text, .index-main .item-box3 .news-slide .news-list .two-news .info .text, .index-main .item-box3 .news-slide .news-list .two-news .item .text { margin-top: 10px; }
  .index-main .item-box3 .news-slide .news-list .pic-news { padding-left: 0px; }
  .index-main .item-box3 .news-slide .news-list .pic-news .pic, .index-main .item-box3 .news-slide .news-list .pic-news .info { height: 195px; }
  .index-main .item-box3 .news-slide .news-list .pic-news .pic { margin-bottom: 10px; }
  .index-main .item-box3 .news-slide .news-list ul li { height: 92.5px; margin-bottom: 10px; }
  .index-main .item-box3 .news-slide .news-list ul li .date { width: 70px; height: 55px; font-size: 13px; }
  .index-main .item-box3 .news-slide .news-list ul li .date b { font-size: 20px; }
  .index-main .item-box3 .news-slide .news-list ul li .title { width: 200px; height: 92.5px; line-height: 92.5px; }
  .case-slide .case-list .item .pic a { height: auto; }
  .case-slide .case-list .item .pic a ul { padding-top: 55px; padding-bottom: 55px; }
  .case-slide .case-list .item .info { padding: 15px; }
  footer .nav ul li { width: 105px; margin-left: 30px; } }
@media (max-width: 1200px) { .container { width: 1024px; }
  header { height: 75px; }
  header .logo { height: 75px; line-height: 75px; }
  header .logo img { padding: 10px 0; }
  header nav > ul > li { width: 80px; }
  header nav > ul > li > a { line-height: 75px; font-size: 14px; }
  header nav > ul > li ul { height: auto; padding: 30px 0; }
  header nav > ul > li ul li { margin: 0 20px; }
  header nav > ul > li ul li a { margin-top: 0; font-size: 14px; }
  header .tel { margin-top: 22.5px; margin-left: 15px; font-size: 28px; }
  header .qq-kf { height: 30px; line-height: 30px; margin-top: 22.5px; padding-left: 30px; }
  .index-main .item-box1 .item { width: 48%; height: 315px; }
  .index-main .item-box1 .item .mod-box { height: 140px; }
  .index-main .item-box1 .item .mod-box .info h2 { padding-top: 15px; font-size: 17px; }
  .index-main .item-box1 .item .mod-box .info p { line-height: 22px; margin-top: 10px; }
  .index-main .item-box1 .item .mod-box .info a { width: 95px; height: 25px; line-height: 25px; margin-top: 0; font-size: 14px; }
  .index-main .item-box4 .list ul li { width: 18%; margin-left: 3.5%; margin-right: 3.5%; }
  .case-slide .case-list { margin-top: 20px; margin-left: -7px; margin-right: -7px; }
  .case-slide .case-list .item { margin-top: 20px; padding-left: 7px; padding-right: 7px; }
  .case-slide .case-list .item .pic a { height: 145px; }
  .case-slide .case-list .item .info { padding: 10px; background-size: auto 40%; background-position: 97% center; }
  .case-slide .case-list .item .info .text { line-height: 20px; margin-top: 5px; font-size: 13px; }
  .contact-banner { height: 160px; line-height: 160px; }
  .contact-banner img { transform: scale(2); -ms-transform: scale(2); -webkit-transform: scale(2); -moz-transform: scale(2); -o-transform: scale(2); }
  .contact-main .wrapper .c-list .item { height: 300px; padding-top: 30px; }
  .contact-main .wrapper .c-list .item .icon { width: 95px; height: 95px; line-height: 93px; }
  .contact-main .wrapper .c-list .item h4 { font-size: 16px; }
  .contact-main .wrapper .c-list .item.address .text { line-height: 1.4; }
  .contact-main .wrapper .c-list .item.tel strong { margin-top: 15px; font-size: 15px; }
  .contact-main .wrapper .c-list .item.tel small { margin-top: 15px; font-size: 12px; line-height: 1.4; margin-top: 5px; }
  .contact-main .wrapper .c-list .item.qq a { width: auto; height: 30px; line-height: 28px; background-size: auto 90%; font-size: 16px; }
  .contact-main .wrapper .c-list .item.wechat h4 { margin-bottom: 15px; }
  .contact-main .wrapper .c-list .item.wechat p { line-height: 1.4; font-size: 12px; }
  footer .qrcode { padding-right: 30px; }
  footer .nav ul li { width: 95px; margin-left: 15px; } }
@media (max-width: 1024px) { .container { padding-left: 5px; padding-right: 5px; }
  footer .nav ul li { width: 85px; } }
@media (max-width: 768px) { .container { width: 100% !important; }
  .navbtn { display: block; top: 22.5px; right: 5px; padding: 0 5px; border-radius: 4px; }
  .navbtn span { width: 25px; height: 2px; margin: 6px 0; }
  .navbtn.navclose { position: fixed; }
  .navbtn.navclose span:nth-child(1) { -moz-transform: translateY(8px) rotate(45deg); -ms-transform: translateY(8px) rotate(45deg); -webkit-transform: translateY(8px) rotate(45deg); transform: translateY(8px) rotate(45deg); }
  .navbtn.navclose span:nth-child(3) { -moz-transform: translateY(-8px) rotate(-45deg); -ms-transform: translateY(-8px) rotate(-45deg); -webkit-transform: translateY(-8px) rotate(-45deg); transform: translateY(-8px) rotate(-45deg); }
  header nav { display: none; position: fixed; z-index: 999; left: 0; top: 0; width: 100%; height: 100%; margin-left: 0; background-color: rgba(0, 0, 0, 0.7); }
  header nav > ul { display: flex; display: -webkit-flex; flex-flow: row wrap; align-content: center; width: 100%; height: 100%; text-align: center; }
  header nav > ul > li { float: none; display: block; width: 100%; }
  header nav > ul > li > a { color: #fff; font-size: 20px; }
  header .tel { margin-right: 55px; }
    header .wcode { float: right; display: block; height: 60px;  margin-left: 20px; color: #ff9d00; font-size: 8px;text-align:center;margin-top:5px;margin-right: 55px; }
  .index-main .box-tit h3 { font-size: 26px; }
  .index-main .box-tit em { font-size: 14px; }
  .index-main .item-box1 { margin-top: 30px; }
  .index-main .item-box1 .item { float: none; width: 100%; height: auto; }
  .index-main .item-box1 .item .mod-box { height: auto; overflow: hidden; }
  .index-main .item-box1 .item .mod-box .pic { width: 50%; }
  .index-main .item-box1 .item .mod-box .info { width: 50%; padding-left: 10%; }
  .index-main .item-box1 .item .mod-box .info h2 { padding-top: 30px; font-size: 30px; }
  .index-main .item-box1 .item .mod-box .info p { height: 56px; line-height: 28px; margin-top: 20px; font-size: 16px; }
  .index-main .item-box1 .item .mod-box .info a { width: 135px; height: 40px; line-height: 40px; margin-top: 20px; font-size: 16px; }
  .index-main .item-box3 .news-slide .news-list .pic-news, .index-main .item-box3 .news-slide .news-list .two-news { width: 49.28%; }
  .index-main .item-box3 .news-slide .news-list .two-news { float: right; padding-left: 0; }
  .index-main .item-box3 .news-slide .news-list ul { clear: both; float: none; width: 100%; padding-left: 0; }
  .index-main .item-box3 .news-slide .news-list ul li { float: left; width: 49.28%; }
  .index-main .item-box3 .news-slide .news-list ul li:nth-child(even) { float: right; }
  .index-main .item-box4 .list ul li { width: 22%; height: 160px; padding-left: 10px; padding-right: 10px; margin-left: 1.5%; margin-right: 1.5%; margin-bottom: 40px; }
  .index-main .item-box4 .list ul li span { height: 50px; }
  .slideTab .menu ul li { width: auto; height: 30px; line-height: 28px; padding: 0 15px; margin-right: 5px; margin-left: 5px; font-size: 14px; }

  footer .contact .tel { min-height: auto; }
  footer .qrcode { float: right; height: auto; padding-right: 0; border: none; }
  footer .qrcode img { width: 140px; }
  footer .qrcode .title { width: 100%; }
  footer .nav { clear: both; float: none; width: 100%; padding-top: 30px; }
  footer .nav ul { float: none; text-align: center; }
  footer .nav ul li { width: 20%; margin-left: 0; }
  footer .nav ul li > a { clear: both; float: none; display: block; }
  footer .nav ul li > a:after { margin-left: auto; margin-right: auto; }
  footer .nav ul li .submenu { float: none; }
  footer .nav ul li .submenu a { float: none; display: block; } }
@media (max-width: 767px) { header { height: 50px; }
  header .logo { height: 50px; line-height: 50px; }
  header .logo img { padding: 5px 0; }
  header .tel, header .qq-kf { display: none; }
  .navbtn { top: 10px; }
  .index-main .box-tit h3 { font-size: 20px; }
  .index-main .box-tit em { padding-top: 5px; font-size: 12px; }
  .index-main .item-box1 { margin-top: 10px; }
  .index-main .item-box1 .item { padding: 10px; }
  .index-main .item-box1 .item .mod-box .pic, .index-main .item-box1 .item .mod-box .info { float: none; width: 100%; }
  .index-main .item-box1 .item .mod-box .pic img { width: 100%; }
  .index-main .item-box1 .item .mod-box .info { padding-left: 10px; padding-bottom: 15px; }
  .index-main .item-box1 .item .mod-box .info h2 { padding-top: 15px; font-size: 18px; }
  .index-main .item-box1 .item .mod-box .info p { height: auto; line-height: 1.6; margin-top: 15px; font-size: 14px; }
  .index-main .item-box1 .item .mod-box .info a { width: 110px; height: 35px; line-height: 35px; margin-top: 15px; }
  .index-main .item-box1 .item .mode-list { margin-top: 10px; }
  .index-main .item-box1 .item .mode-list ul li { float: none; width: 100%; line-height: 30px; padding-left: 10px; }
  .index-main .item-box1 .item .mode-list ul li a { font-size: 13px; }
  .index-main .item-box1 .item .mode-list ul li:before { top: 11.5px; }
  .index-main .item-box2 { margin-top: 50px; }
  .index-main .item-box2 .case-slide { margin-top: 20px; }
  .index-main .item-box2 .case-slide .case-list { margin-top: 0; }
  .index-main .item-box2 .case-slide .case-list .item { width: 50%; margin-top: 10px; }
  .index-main .item-box2 .case-slide .case-list .item .pic a ul { display: none; }
  .index-main .item-box2 .case-slide .case-list .item .info { padding: 10px 5px; }
  .index-main .item-box2 .case-slide .case-list .item .info a { font-size: 14px; }
  .index-main .item-box2 .case-slide .case-list .item .info .text { height: auto; line-height: 16px; font-size: 12px; }
  .index-main .item-box3 { margin-top: 50px; }
  .index-main .item-box3 .news-slide { margin-top: 20px; }
  .index-main .item-box3 .news-slide .news-list { margin-top: 10px; }
  .index-main .item-box3 .news-slide .news-list .pic-news .info .date, .index-main .item-box3 .news-slide .news-list .two-news .item .date, .index-main .item-box3 .news-slide .news-list ul li .date { width: 60px; height: 50px; font-size: 12px; }
  .index-main .item-box3 .news-slide .news-list .pic-news .info .date b, .index-main .item-box3 .news-slide .news-list .two-news .item .date b, .index-main .item-box3 .news-slide .news-list ul li .date b { padding-top: 7px; font-size: 16px; }
  .index-main .item-box3 .news-slide .news-list .pic-news .info .title, .index-main .item-box3 .news-slide .news-list .two-news .item .title, .index-main .item-box3 .news-slide .news-list ul li .title { font-size: 14px; }
  .index-main .item-box3 .news-slide .news-list .pic-news .info .text, .index-main .item-box3 .news-slide .news-list .two-news .item .text, .index-main .item-box3 .news-slide .news-list ul li .text { height: 40px; line-height: 20px; font-size: 12px; }
  .index-main .item-box3 .news-slide .news-list .pic-news .info .more, .index-main .item-box3 .news-slide .news-list .two-news .item .more, .index-main .item-box3 .news-slide .news-list ul li .more { width: 30px; height: 30px; line-height: 30px; letter-spacing: 1px; padding-left: 1px; font-size: 14px; }
  .index-main .item-box3 .news-slide .news-list .pic-news, .index-main .item-box3 .news-slide .news-list .two-news { float: none; width: 100%; }
  .index-main .item-box3 .news-slide .news-list .pic-news .info, .index-main .item-box3 .news-slide .news-list .pic-news .item, .index-main .item-box3 .news-slide .news-list .two-news .info, .index-main .item-box3 .news-slide .news-list .two-news .item { height: 165px; padding: 60px 20px 0 20px; }
  .index-main .item-box3 .news-slide .news-list .pic-news .pic { height: auto; margin-bottom: 0; }
  .index-main .item-box3 .news-slide .news-list .two-news { margin-top: 10px; }
  .index-main .item-box3 .news-slide .news-list ul li { float: none !important; width: 100%; height: 70px; }
  .index-main .item-box3 .news-slide .news-list ul li .date { height: 70px; padding-top: 16px !important; font-size: 12px; }
  .index-main .item-box3 .news-slide .news-list ul li .date b { padding-top: 0; font-size: 16px; }
  .index-main .item-box3 .news-slide .news-list ul li .title { width: 65%; height: 70px; line-height: 70px; font-size: 14px; }
  .index-main .item-box4 .list { padding-top: 40px; }
  .index-main .item-box4 .list ul { display: flex; display: -webkit-flex; flex-flow: row wrap; justify-content: space-between; }
  .index-main .item-box4 .list ul li { width: 45%; margin-left: 0; margin-right: 0; }
  .slideTab .menu ul li { margin: 5px; }
  .taocan .list { padding: 0; }
  .taocan .list .item { height: auto; padding: 0 10px; padding-bottom: 10px; }
  .taocan .list .item .tit h3 { font-size: 20px; }
  .taocan .list .item .tit h2 { font-size: 22px; }
  .taocan .list .item .tit a { width: 165px; font-size: 20px; }
  .taocan .list .item .info ul li:before { left: 15%; }
  .taocan .list .item .info p { line-height: 2; font-size: 12px; }
  .taocan .list .item .info h4 { margin-top: 20px; }
  .taocan .list .tc-box2 { width: 35%; }
  footer .contact, footer .qrcode { float: none; width: 100%; }
  footer .contact { overflow: hidden; }
  footer .contact .tel { padding-left: 50px; background-size: auto 40px; }
  footer .contact .tel strong { line-height: normal; margin-top: 5px; margin-bottom: 10px; font-size: 22px; }
  footer .contact .tel .qq { display: block; margin-top: 10px; text-align: center; }
  footer .qrcode { width: 140px; margin-top: 30px; margin-left: auto; margin-right: auto; }
  footer .nav ul { text-align: left; }
  footer .nav ul li { float: none; width: 100%; line-height: normal; margin-bottom: 10px; }
  footer .nav ul li > a { font-size: 14px; }
  footer .nav ul li > a:after { height: 2px; margin-left: 0; margin-top: 0; }
  footer .nav ul li .submenu { line-height: 14px; margin-top: 10px; font-size: 0; }
  footer .nav ul li .submenu a { display: inline-block; margin-right: 15px; font-size: 12px; }
  footer .webinfo { margin-top: 10px; }
  footer .webinfo a { margin-left: 0; font-size: 12px; }
  footer .copyright { line-height: 1.6; font-size: 12px; }
  footer .search { display: none; } 
  .banner_pc{display:none;text-align:center;}
.banner_m{display:block;text-align:center;}
}
@media (max-width: 576px) { .contact-banner { height: 105px; line-height: 105px; }
  header .wcode { display: none;  }
  .tanchuang{display:none;}
  .biaodan{display:none;}
  .contact-banner img { transform: scale(2.5); -ms-transform: scale(2.5); -webkit-transform: scale(2.5); -moz-transform: scale(2.5); -o-transform: scale(2.5); }
  .contact-main .slogn { padding-top: 15px; padding-bottom: 30px; }
  .contact-main .slogn h3 { font-size: 20px; }
  .contact-main .slogn p { font-size: 12px; line-height: 1.4; }
  .contact-main .wrapper .c-list .item { float: none; width: 100%; height: auto; padding-bottom: 30px; border-right: none; border-left: none; border-bottom: 1px #dfdfdf solid; }
  .contact-main .wrapper .c-list .item:last-child { border: none; }
  .contact-main .wrapper .c-list .item.qq a { width: 160px; }
  .contact-main .wrapper .map { height: 365px; } 
   .taocan { padding-top: 10px; padding-bottom: 30px; }
  .taocan .list .item { position: static; float: none; width: 100%; margin-top: 10px; margin-bottom: 20px; }
  .taocan .list .item .info ul li:before { left: 33%; top: 10px; width: 5px; height: 5px; }
}
@media (max-width: 320px) { .taocan .list .item { position: static; float: none; width: 100%; }
  .taocan .list .item .info ul li:before { left: 28%; } }