@media screen and (max-width: 1200px) {
  header {
    box-sizing: border-box;
    z-index: 9999;
    background-color: #fff;
    position: fixed;
    width: 100%;
    padding: 15px 3%;
    margin: auto;
  }
  .menu-btn {
    right: 3%;
  }
  .web {
    width: 94%;
    margin: 0 auto;
  }
  .index-pro {
    padding-top: 30px;
  }
  .index-pro .web {
    height: auto;
  }
  .index-procont .pic {
    float: none;
    margin: 0 auto;
  }
  .index-procont .info {
    float: none;
    padding: 65px 0 0 0;
    width: auto;
    text-align: center;
  }
  .index-procont .info .text {
    height: auto;
  }
  .index-procont .info .title a {
    font-size: 2.2rem;
  }
  .index-procont .lookmore a {
    margin: 2rem auto;
  }
  .h-container,
  .index_part1 {
    width: 94%;
    margin: 0 auto;
  }
  #content,
  #outer {
    width: 100%;
  }
  .caseList a {
    width: 31.33334%;
    height: auto;
    flex: unset;
  }
  .index-com {
    width: 96%;
  }
  .index-com-l ul li,
  .index-com-r,
  .index-com-l {
    width: 100%;
    float: none;
  }
  .index-par {
    width: 96%;
    overflow: hidden;
    margin: 0 auto;
  }
  .menu,
  .header-r {
    display: none;
  }
  .footer-bg {
    height: auto;
  }
  footer {
    width: 96%;
  }
  .pro-tit,
  .about-top {
    width: 100%;
    box-sizing: border-box;
  }
  .about-box,
  .gongcheng {
    width: 96%;
    margin: 0 auto;
    box-sizing: border-box;
  }
  .pro {
    width: 100%;
  }
  .gongcheng img {
    width: 100%;
  }
  .product {
    width: 96%;
  }
  .pro-tit {
    font-size: 1.8rem;
  }
  #content li {
    height: auto;
  }
  .about,
  .honor,
  .product-view {
    width: 96%;
  }
  .news_view_top {
    height: auto;
  }
  .news_view_top,
  .news_view,
  .product-p img {
    width: 100%;
  }
  .my-gallery figure img {
    width: 100%;
    height: auto;
  }
  .container {
    width: 96%;
  }
  .product-t img {
    width: 46%;
    height: auto;
    margin-right: 4%;
  }
  .product-t {
    width: 96%;
    height: auto;
  }
  .my-gallery figure p {
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
    font-size: 16px;
  }
  .product ul {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
  }
  .product ul li img {
    width: 100%;
    height: auto;
  }
  .product ul li {
    width: 31.333334%;
    margin-left: 0;
    margin-right: 0;
    height: auto;
    padding-bottom: 78px;
  }
  .product ul li h2 {
    font-size: 16px;
  }
  .about .title {
    font-size: 2rem;
  }
  .about .about-p span,
  .about .about-p {
    line-height: 1.8 !important;
    font-size: 14px !important;
  }
  .about-p img {
    width: 100%;
  }
  .news ul li h6 {
    width: auto;
  }
  .news ul li h5 {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .caseShare .mainCon ul {
    width: 100%;
  }
  .caseShare .mainCon li span {
    width: 100%;
    height: auto;
  }
  .caseShare .mainCon li img {
    width: 100% !important;
    height: auto !important;
  }
  .caseShare .mainCon li:nth-of-type(3n) {
    margin-right: 0;
  }
  .caseShare .mainCon li {
    padding-bottom: 1rem;
    width: 31.33334%;
    height: auto !important;
    margin-left: unset;
    margin-right: unset;
    margin-bottom: 4%;
    margin-right: 2.666667%;
    background: #f1f1f1;
  }
  .caseShare .mainCon li dt {
    width: 100%;
    padding: 19px 20px 0 20px;
    margin: 0;
    box-sizing: border-box;
  }
  .paging {
    padding: 30px 0 35px;
  }
  .news-top {
    width: 100%;
  }
  .content3 ul li .sj2,
  .content3 ul li .sj {
    display: none;
  }
  .content3 ul a:nth-of-type(odd) li .imgbox {
    float: left !important;
  }
  .content3 ul a:nth-of-type(even) li .imgbox {
    float: right !important;
  }
  .content3,
  .index-adv {
    width: 100%;
  }
  .content3 ul li .wz {
    width: calc(100% - 360px);
  }
  .content3 ul > a li {
    width: 100%;
  }
  .content3 ul > a {
    width: 100%;
    display: block;
  }
  .content3 ul li .more {
    display: none;
  }
}

@media screen and (max-width: 992px) {
  #tab li {
    width: 110px;
    font-size: 14px;
  }
  .caseTitle {
    padding: 30px 0 35px;
  }
  .index-adv h3,
  .tyTitle,
  .index-com h2,
  .index-par h2,
  .index_part1 h1.title,
  .index-procont .info .title a {
    font-size: 2rem;
  }
  #content li:nth-of-type(2n) {
    margin-right: 0;
  }
  #content li:nth-of-type(1),
  #content li:nth-of-type(2) {
    margin-bottom: 2.14%;
  }
  #content li {
    width: 48.833333%;
  }
  .footer-l {
    width: 100%;
    overflow: hidden;
    margin-right: 0;
    float: none;
  }
  .footer-l ul li {
    width: 33.3334%;
  }
  .footer-m {
    margin-top: 2.3rem;
    width: 100%;
    float: none;
  }
  .chengguan,
  .work-safety {
    display: none;
  }
  .index-procont .pic .data-all {
    display: block;
  }
  .index-procont .info {
    padding-top: 0;
  }
  .banq {
    height: auto;
    line-height: 1.4;
    padding: 20px;
    box-sizing: border-box;
  }
  .banq a {
    margin-top: .3rem;
    display: block;
  }
  .index_part1 h1.title {
    text-align: center;
  }
  .news ul li .more {
    display: none;
  }
  .news-top {
    height: auto;
  }
  .news-top img {
    float: none !important;
    width: 100%;
    height: auto;
  }
  .news-top .more {
    position: static;
    left: auto;
    bottom: auto;
  }
  .news-top h3 {
    font-size: 1.8rem;
  }
  .news ul li h5 {
    width: 100%;
  }
  .news ul li a:nth-of-type(1) {
    width: calc( 100% - 94px - 25px);
  }
  .news ul li {
    display: flex;
  }
}

@media screen and (max-width: 767px) {
  .index-procont .pic {
    width: 100%;
    height: auto;
  }
  .index-procont .info {
    padding-top: 10px;
  }
  .index-procont {
    padding-bottom: 0;
  }
  #tab li {
    width: 22%;
    font-size: 14px;
    margin-right: 2%;
  }
  .index-protab a {
    font-size: 16px;
  }
  .caseList a {
    margin-top: 3.5%;
    width: 48.5%;
  }
  .more,
  .index-procont .lookmore a {
    width: 112px;
    height: 36px;
    line-height: 36px;
    text-align: center;
    font-size: 13px;
  }
  .more {
    margin: 36px auto 10px;
  }
  .logo {
    width: 200px;
    overflow: hidden;
    display: block;
  }
  .logo img {
    width: 438px;
  }
  .index-com-r a {
    overflow: hidden;
    display: block;
    clear: left;
  }
  .index-com-r p {
    display: block;
    margin-top: 1rem;
    width: 100%;
  }
  .about-top ul {
    display: none;
  }
  .my-gallery figure:nth-of-type(odd) {
    margin-left: 0;
    margin-right: 1.5%;
  }
  .my-gallery figure:nth-of-type(even) {
    margin-left: 1.5%;
    margin-right: 0;
  }
  .my-gallery figure {
    width: 48.5%;
  }
  .product ul li {
    width: 48.5%;
  }
  .product ul li h2 {
    font-size: 14px;
  }
  .news-banner,
  .about-banner,
  .case-banner {
    background-size: auto 100%;
    height: 190px;
  }
  .news-top h3 {
    font-size: 1.6rem;
  }
  .news-top h4 {
    font-size: 1.4rem;
  }
  .news-top .more {
    margin-top: 30px;
  }
  .news ul li h5 {
    font-size: 1.2rem;
  }
  .caseShare .mainCon li:nth-of-type(odd) {
    margin-right: 1.5%;
  }
  .caseShare .mainCon li:nth-of-type(even) {
    margin-left: 1.5%;
    margin-right: 0;
  }
  .caseShare .mainCon li {
    width: 48.5%;
  }
  .product-t img {
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 2rem;
  }
  .product-t h2 {
    font-size: 1.4rem;
  }
  .pro {
    position: relative;
    width: 94%;
    margin: 20px auto;
    overflow: visible;
  }
  .pro span:after {
    content: "+";
    display: block;
    color: #fff;
    position: absolute;
    top: 0;
    right: 1rem;
    line-height: 40px;
    font-size: 1.8rem;
  }
  .pro span {
    position: relative;
    display: block;
    text-align: center;
    font-size: 1.5rem;
    height: 40px;
    background-color: #0099e9;
    color: #fff;
    line-height: 40px;
  }
  .pro ul {
    z-index: 99;
    position: absolute;
    top: 42px;
    left: 0;
    background-color: #fff;
  }
  .pro ul li {
    width: 100%;
    border-radius: 0;
    margin-bottom: 0;
    box-sizing: border-box;
    border-top: 0;
  }
  .pro ul li.on {
    background: rgba(0, 153, 233, 0.75);
  }
  .content3 ul a li .wz {
    width: 94%;
    height: auto;
    margin: 20px auto;
    float: none !important;
  }
  .content3 ul a li .imgbox img {
    width: 100%;
    height: auto;
  }
  .content3 ul a:nth-of-type(odd) li .imgbox,
  .content3 ul a:nth-of-type(even) li .imgbox,
  .content3 ul a li .imgbox {
    overflow: hidden;
    float: none !important;
    width: 96%;
    margin: 20px auto;
    height: auto;
  }
  .content3 ul li .wz h2 span {
    font-size: 16px;
  }
  .news_view_top h2 {
    font-size: 1.8rem;
  }
}
@media screen and (max-width: 450px) {
  #tab li{
    width: 30%;
  }
}

@media screen and (max-width: 390px) {
  .product ul li,
  .caseShare .mainCon li {
    width: 100%;
    margin-left: 0 !important;
    margin-right: 0 !important;
  }
}
@media screen and (max-width: 350px){
  #tab li{
    width: 31.33334%;
    font-size: 12px;
    margin-right: 0;
  }
}