@media screen and (min-width: 300px) and (max-width: 600px) {
  body {
    padding-top: 0px;
  }
  .head {
    display: none!important;
  }
  .mobile-head {
    display: block!important;
  }
  .index-about .index-about-main {
    flex-wrap: wrap;
    padding-top: 20px;
  }
  .index-about .index-about-main .index-about-left {
    width: 100%;
  }
  .index-about .index-about-main .index-about-right {
    width: 100%;
  }
  .index-about .index-about-main .index-about-right .index-about-right-title h1 {
    font-size: 30px;
    margin-top: 20px;
  }
  .index-about .index-about-main .index-about-right .index-about-right-title h2 {
    font-size: 20px;
  }
  .index-about .index-about-main .index-about-right > p {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
  }
  .index-about .index-about-main .index-about-right ul {
    margin-top: 30px;
  }
  .index-about .index-about-main .index-about-right ul .index-about-xian {
    margin: 0px 20px;
    height: 30px;
  }
  .index-about .index-about-main .index-about-right ul li h2 {
    font-size: 30px;
  }
  .index-pro .index-pro-main .index-pro-list {
    flex-wrap: wrap;
  }
  .index-pro {
    padding-top: 50px;
  }
  .index-pro .index-pro-main .index-pro-list .index-pro-left {
    width: 100%;
  }
  .index-pro .index-pro-main .index-pro-list .index-pro-right {
    width: 100%;
    padding-top: 20px;
    padding-bottom: 130px;
  }
  .index-pro .index-pro-main .index-pro-youshi {
    bottom: 8%;
  }
  .index-pro .index-pro-main .index-pro-youshi ul li {
    margin-right: 20px;
  }
  .index-pro .index-pro-main .index-pro-list .index-pro-left .index-pro-title h1 {
    font-size: 30px;
  }
  .index-pro .index-pro-main .index-pro-list .index-pro-left .index-pro-title h2 span {
    font-size: 22px;
  }
  .index-pro .index-pro-main .index-pro-list .index-pro-left > p {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 5;
    overflow: hidden;
  }
  .index-pro .index-pro-main .index-pro-youshi ul li img {
    width: 70px;
  }
  .index-zhizao .index-zhizao-main {
    flex-wrap: wrap;
  }
  .index-zhizao-left {
    width: 70%;
  }
  .index-zhizao-left img {
    width: 100%;
  }
  .index-zhizao-right {
    width: 25%;
  }
  .index-zhizao-right img {
    width: 100%!important;
  }
  .index-zhizao {
    margin-top: 60px;
  }
  .index-youshi .index-youshi-main .index-youshi-item {
    flex-wrap: wrap;
  }
  .index-youshi .index-youshi-main {
    margin-top: 0px;
  }
  .index-youshi {
    margin-top: 40px;
  }
  .index-youshi .index-youshi-main .index-youshi-item .index-youshi-left {
    width: 100%;
  }
  .index-youshi-title-left {
    width: 83%;
  }
  .index-youshi .index-youshi-main .index-youshi-item .index-youshi-right {
    width: 100%;
    margin-top: 30px;
    padding-bottom: 200px;
  }
  .index-youshi .index-youshi-main .index-youshi-item .index-youshi-right .index-youshi-title .index-youshi-title-right {
    width: 15%;
    font-size: 45px;
  }
  .index-youshi .index-title {
    margin-bottom: 25px;
  }
  .index-youshi .index-youshi-main .index-youshi-item .index-youshi-right .index-youshi-title .index-youshi-title-left h1 {
    font-size: 22px;
    padding-left: 15px;
  }
  .index-youshi .index-youshi-main .index-youshi-item .index-youshi-right .index-youshi-title .index-youshi-title-left p {
    font-size: 16px;
    padding-left: 15px;
  }
  .index-youshi .index-youshi-main .index-youshi-item .index-youshi-right ul li {
    font-size: 15px;
    line-height: 30px;
  }
  .index-youshi .index-youshi-main .index-youshi-nav {
    width: 100%;
  }
  .index-youshi .index-youshi-main .index-youshi-nav ul {
    flex-wrap: wrap;
  }
  .index-youshi .index-youshi-main .index-youshi-nav .swiper-pagination-bullet {
    width: 170px;
    height: 80px;
    margin-bottom: 10px;
  }
  .index-youshi .index-youshi-main .index-youshi-nav ul li:nth-child(2n) {
    margin-right: 0px!important;
  }
  .index-youshi .index-youshi-main .index-youshi-nav .swiper-pagination-bullet div strong {
    font-size: 17px;
  }
  .index-youshi .index-youshi-main .index-youshi-nav .swiper-pagination-bullet div p {
    font-size: 12px;
  }
  .index-youshi .index-youshi-main .index-youshi-nav .swiper-pagination-bullet::after {
    top: 13px;
  }
  .index-news {
    margin-top: 50px;
    padding-top: 40px;
  }
  .index-news .index-news-main .index-news-title-row {
    flex-wrap: wrap;
  }
  .index-news .index-news-main .index-news-title-row .index-news-title-right {
    width: 100%;
  }
  .index-news .index-news-main .index-news-title-row .index-news-title-right ul {
    margin-top: 20px;
  }
  .index-news .index-news-main .index-news-title-row .index-news-title-right ul li {
    margin-left: 20px;
  }
  .index-news .index-news-main .index-news-title-row .index-news-title-right ul li:first-child {
    margin-left: 0px;
  }
  .index-news .index-news-main .index-news-title-row .index-news-title-right ul li a {
    font-size: 14px;
    padding: 12px 24px;
  }
  .index-news .index-news-main .index-news-group {
    margin-top: 35px;
  }
  .index-news .index-news-main .index-news-group .index-news-item {
    flex-wrap: wrap;
  }
  .index-news .index-news-main .index-news-group .index-news-item .index-news-item-left {
    width: 100%;
  }
  .index-news .index-news-main .index-news-group .index-news-item .index-news-item-right {
    width: 100%;
    margin-top: 20px;
  }
  .index-news .index-news-main .index-news-group .index-news-item .index-news-item-left ul {
    flex-wrap: wrap;
  }
  .index-news .index-news-main .index-news-group .index-news-item .index-news-item-left ul li {
    width: 100%;
  }
  .index-news .index-news-main .index-news-group .index-news-item .index-news-item-left ul li:first-child {
    margin-bottom: 20px;
  }
  .index-news .index-news-main .index-news-group .index-news-item .index-news-item-right ul li a .index-news-date {
    width: 25%;
  }
  .index-news .index-news-main .index-news-group .index-news-item .index-news-item-right ul li a .index-news-title {
    width: 70%;
  }
  .index-news .index-news-main .index-news-group .index-news-item .index-news-item-right ul li a .index-news-title h1 {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .index-news .index-news-main .index-news-group .index-news-item .index-news-item-right ul li a .index-news-title p {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
    font-size: 14px;
  }
  .index-news .index-news-main .index-news-group .index-news-item .index-news-item-right ul li {
    margin-bottom: 20px;
  }
  .index-hezuo {
    margin-top: 40px;
    margin-bottom: 50px;
  }
  .footer .footer-main {
    flex-wrap: wrap;
  }
  .footer .footer-main .footer-left {
    width: 100%;
    flex-wrap: wrap;
    justify-content: flex-start;
  }
  .footer .footer-main .footer-right {
    width: 100%;
    margin-top: 30px;
  }
  .footer-item {
    width: 30%;
    margin-right: 15px;
    margin-top: 15px;
  }
  .footer-item:nth-child(3) {
    margin-right: 0px;
  }
  .footer .footer-main .footer-left .footer-item img {
    width: 105px;
  }
  .footer .footer-link .footer-link-main {
    flex-wrap: wrap;
  }
  .footer .footer-link .footer-link-main .footer-link-left {
    width: 100%;
  }
  .footer .footer-link .footer-link-main .footer-link-right {
    width: 100%;
    margin-top: 10px;
  }
  .footer .footer-link {
    margin-top: 35px;
  }
  .copying .copying-main {
    flex-wrap: wrap;
    line-height: 26px;
  }
  .copying .copying-main p {
    text-align: center;
  }
  .ht-search .ht-search-main .ht-search-left a {
    font-size: 14px;
  }
  .ht-search .ht-search-main .ht-search-left span {
    font-size: 15px;
  }
  .ht-search .ht-search-main {
    flex-wrap: wrap;
  }
  .ht-search .ht-search-main .ht-search-left {
    width: 100%;
    line-height: 30px;
  }
  .ht-search .ht-search-main .ht-search-right {
    width: 100%;
    margin-top: 10px;
  }
  .ht-search .ht-search-main .ht-search-right form input[type=text] {
    width: 80%;
  }
  .ht-container {
    flex-wrap: wrap;
    margin: 40px auto;
  }
  .ht-container .ht-left .ht-left-nav .ht-left-nav-title {
    display: none;
  }
  .ht-container .ht-left .ht-left-nav {
    box-shadow: none;
  }
  .ht-container .ht-left {
    width: 100%;
  }
  .ht-container .ht-left .ht-left-nav ul {
    flex-wrap: wrap;
    padding: 0px;
    margin-bottom: 20px;
    display: flex;
  }
  .ht-container .ht-left .ht-left-nav ul li {
    width: 47%;
    margin-right: 15px;
  }
  .ht-container .ht-left .ht-left-nav ul li:nth-child(2n) {
    margin-right: 0px;
  }
  .ht-container .ht-left .ht-left-lianxi {
    display: none;
  }
  .ht-container .ht-left .ht-left-nav ul li a {
    font-size: 14px;
  }
  .ht-container .ht-right {
    width: 100%;
  }
  .ht-container .ht-right .ht-right-title-row {
    flex-wrap: wrap;
  }
  .ht-container .ht-right .ht-right-title-row span {
    width: 100%;
  }
  .ht-container .ht-right .ht-right-title-row .ht-right-position {
    width: 100%;
    margin-top: 15px;
  }
  .redian .redian-list .redian-top {
    flex-wrap: wrap;
  }
  .redian .redian-list .redian-top .redian-topLeft {
    width: 100%;
    margin-bottom: 20px;
  }
  .redian .redian-list .redian-top .redian-topLeft img {
    height: auto;
  }
  .redian .redian-list .redian-top .redian-topRight {
    width: 100%;
  }
  .redian .redian-list ul li {
    width: 100%;
    margin-right: 0px;
  }
  .hezuolist ul li,
  .productlist ul li,
  .caselist ul li {
    width: 48%;
    margin-right: 13px!important;
    margin-bottom: 20px;
  }
  .hezuolist ul li:nth-child(2n),
  .productlist ul li:nth-child(2n),
  .caselist ul li:nth-child(2n) {
    margin-right: 0px!important;
  }
  .hezuolist ul li p,
  .productlist ul li p,
  .caselist ul li p {
    font-size: 15px;
  }
  .page {
    flex-wrap: wrap;
  }
  .page .page-status,
  .page a {
    display: inline-block;
    margin-bottom: 15px;
    font-size: 12px;
  }
  .newslist ul li .newslink {
    flex-wrap: wrap;
  }
  .newslist ul li .newslink .news-left {
    width: 100%;
  }
  .newslist ul li .newslink .news-container {
    width: 100%;
    padding: 0px;
    margin-top: 20px;
  }
  .newslist {
    margin-top: 0px;
  }
  .newslist ul li .newslink .news-container .news-title-row h3 {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .newslist ul li .newslink .news-container .news-title-row p {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
  }
  .news-visits {
    margin-top: 15px;
  }
  .newscont .newscont-title h1 {
    font-size: 22px;
    text-align: center;
    margin-top: 5px;
  }
  .newscont .newscont-title ul {
    flex-wrap: wrap;
    justify-content: flex-start;
    padding-left: 20px;
    line-height: 25px;
    width: 95%;
  }
  .newscont .PreNext {
    flex-wrap: wrap;
  }
  .newscont .PreNext a:first-child {
    margin-bottom: 8px;
  }
  .newscont .newscont-title ul li {
    margin-right: 20px;
    font-size: 13px;
  }
  .productlist ul li > a .pro-info .pro-miaosu {
    padding: 10px 15px;
  }
  .procont .proTop {
    flex-wrap: wrap;
  }
  .procont .proTop .proTop-left {
    width: 100%;
  }
  .procont .proTop .proTop-right {
    width: 100%;
    margin-top: 30px;
  }
  .ht-liuyan {
    width: 100%;
    margin-top: 30px;
  }
  .ht-liuyan h3 {
    font-size: 30px;
    text-align: center;
    color: #4d4d4d;
    font-weight: 500;
  }
  .form-group {
    margin-bottom: 3px;
    display: flex;
    flex-direction: column;
  }
  .form-group .form-item {
    width: 100%;
    margin-bottom: 10px;
  }
  .form-item input {
    width: 250px;
    height: 35px;
    padding: 0px 10px;
    border: 1px solid #ddd;
  }
  .yzm {
    flex-wrap: wrap;
  }
  .yzm label {
    width: 100%!important;
  }
  .yzm input {
    width: 140px;
    margin-right: 10px;
    padding: 0px 10px;
  }
  .yzm img {
    width: 120px!important;
    height: 35px!important;
  }
  .form-btn {
    justify-content: flex-start !important;
    flex-direction: row;
    margin-top: 20px;
  }
  .aboutcont iframe {
    width: 100%;
  }
}
@media screen and (min-width: 601px) and (max-width: 850px) {
  body {
    padding-top: 0px;
  }
  .head {
    display: none!important;
  }
  .mobile-head {
    display: block!important;
  }
  .index-about .index-about-main {
    flex-wrap: wrap;
    padding-top: 30px;
  }
  .index-about {
    height: 280px;
  }
  .index-about .index-about-main .index-about-left {
    width: 50%;
  }
  .index-about .index-about-main .index-about-right {
    width: 45%;
  }
  .index-about .index-about-main .index-about-right .index-about-right-title h1 {
    font-size: 30px;
  }
  .index-about .index-about-main .index-about-right .index-about-right-title h3 {
    margin: 20px 0px 12px 0px;
  }
  .index-about .index-about-main .index-about-right .index-about-right-title h2 {
    font-size: 20px;
  }
  .index-about .index-about-main .index-about-right > p {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
  }
  .index-about .index-about-main .index-about-right ul {
    margin-top: 15px;
  }
  .index-about .index-about-main .index-about-right ul .index-about-xian {
    margin: 0px 20px;
    height: 30px;
  }
  .index-about .index-about-main .index-about-right ul li h2 {
    font-size: 23px;
  }
  .index-pro .index-pro-main .index-pro-list {
    flex-wrap: wrap;
  }
  .index-pro {
    padding-top: 50px;
  }
  .index-pro .index-pro-main .index-pro-list .index-pro-left {
    width: 40%;
  }
  .index-pro .index-pro-main .index-pro-list .index-pro-right {
    width: 58%;
    padding-top: 20px;
  }
  .index-pro .index-pro-main .index-pro-youshi {
    bottom: 8%;
  }
  .index-pro .index-pro-main .index-pro-youshi ul li {
    margin-right: 15px;
  }
  .index-pro .index-pro-main .index-pro-list .index-pro-left .index-pro-title h1 {
    font-size: 30px;
  }
  .index-pro .index-pro-main .index-pro-list .index-pro-left .index-pro-title h2 span {
    font-size: 22px;
  }
  .index-pro .index-pro-main .index-pro-list .index-pro-left > p {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
  }
  .index-pro .index-pro-main .index-pro-youshi ul li img {
    width: 50px;
  }
  .index-zhizao .index-zhizao-main {
    flex-wrap: wrap;
  }
  .index-zhizao-left {
    width: 70%;
  }
  .index-zhizao-right {
    width: 25%;
  }
  .index-zhizao-right img {
    width: 100%!important;
  }
  .index-zhizao {
    margin-top: 60px;
  }
  .index-youshi .index-youshi-main .index-youshi-item {
    flex-wrap: wrap;
  }
  .index-youshi .index-youshi-main {
    margin-top: 0px;
  }
  .index-youshi {
    margin-top: 40px;
  }
  .index-youshi .index-youshi-main .index-youshi-item .index-youshi-left {
    width: 100%;
  }
  .index-youshi-title-left {
    width: 83%;
  }
  .index-youshi .index-youshi-main .index-youshi-item .index-youshi-right {
    width: 100%;
    margin-top: 30px;
    padding-bottom: 110px;
  }
  .index-youshi .index-youshi-main .index-youshi-item .index-youshi-right .index-youshi-title .index-youshi-title-right {
    width: 15%;
    font-size: 45px;
  }
  .index-youshi .index-title {
    margin-bottom: 25px;
  }
  .index-youshi .index-youshi-main .index-youshi-item .index-youshi-right ul li {
    line-height: 30px;
  }
  .index-youshi .index-youshi-main .index-youshi-nav {
    width: 100%;
  }
  .index-youshi .index-youshi-main .index-youshi-nav ul {
    flex-wrap: wrap;
  }
  .index-youshi .index-youshi-main .index-youshi-nav .swiper-pagination-bullet {
    width: 170px;
    height: 80px;
    margin-bottom: 10px;
  }
  .index-youshi .index-youshi-main .index-youshi-nav .swiper-pagination-bullet div strong {
    font-size: 17px;
  }
  .index-youshi .index-youshi-main .index-youshi-nav .swiper-pagination-bullet div p {
    font-size: 12px;
  }
  .index-youshi .index-youshi-main .index-youshi-nav .swiper-pagination-bullet::after {
    top: 13px;
  }
  .index-news {
    margin-top: 50px;
    padding-top: 40px;
  }
  .index-news .index-news-main .index-news-title-row {
    flex-wrap: wrap;
  }
  .index-news .index-news-main .index-news-title-row .index-news-title-right {
    width: 100%;
  }
  .index-news .index-news-main .index-news-title-row .index-news-title-right ul {
    margin-top: 20px;
  }
  .index-news .index-news-main .index-news-title-row .index-news-title-right ul li {
    margin-left: 20px;
  }
  .index-news .index-news-main .index-news-title-row .index-news-title-right ul li:first-child {
    margin-left: 0px;
  }
  .index-news .index-news-main .index-news-title-row .index-news-title-right ul li a {
    font-size: 14px;
    padding: 12px 24px;
  }
  .index-news .index-news-main .index-news-group {
    margin-top: 35px;
  }
  .index-news .index-news-main .index-news-group .index-news-item {
    flex-wrap: wrap;
  }
  .index-news .index-news-main .index-news-group .index-news-item .index-news-item-left {
    width: 100%;
  }
  .index-news .index-news-main .index-news-group .index-news-item .index-news-item-right {
    width: 100%;
    margin-top: 20px;
  }
  .index-news .index-news-main .index-news-group .index-news-item .index-news-item-left ul {
    flex-wrap: wrap;
  }
  .index-news .index-news-main .index-news-group .index-news-item .index-news-item-left ul li {
    width: 48%;
  }
  .index-news .index-news-main .index-news-group .index-news-item .index-news-item-right ul li a .index-news-date {
    width: 20%;
  }
  .index-news .index-news-main .index-news-group .index-news-item .index-news-item-right ul li a .index-news-title {
    width: 75%;
  }
  .index-news .index-news-main .index-news-group .index-news-item .index-news-item-right ul li a .index-news-title h1 {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .index-news .index-news-main .index-news-group .index-news-item .index-news-item-right ul li a .index-news-title p {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
    font-size: 14px;
  }
  .index-news .index-news-main .index-news-group .index-news-item .index-news-item-right ul li {
    margin-bottom: 20px;
  }
  .index-hezuo {
    margin-top: 40px;
    margin-bottom: 50px;
  }
  .footer .footer-main {
    flex-wrap: wrap;
  }
  .footer .footer-main .footer-left {
    width: 100%;
    flex-wrap: wrap;
    justify-content: flex-start;
  }
  .footer .footer-main .footer-right {
    width: 100%;
    margin-top: 30px;
  }
  .footer-item {
    width: 18%;
    margin-right: 15px;
    margin-top: 15px;
  }
  .footer-item:last-child {
    margin-right: 0px;
  }
  .footer .footer-main .footer-left .footer-item img {
    width: 105px;
  }
  .footer .footer-link .footer-link-main {
    flex-wrap: wrap;
  }
  .footer .footer-link .footer-link-main .footer-link-left {
    width: 100%;
  }
  .footer .footer-link .footer-link-main .footer-link-right {
    width: 100%;
    margin-top: 10px;
  }
  .footer .footer-link {
    margin-top: 35px;
  }
  .copying .copying-main {
    flex-wrap: wrap;
    line-height: 26px;
  }
  .copying .copying-main p {
    text-align: center;
  }
  .ht-search .ht-search-main .ht-search-left a {
    font-size: 14px;
  }
  .ht-search .ht-search-main .ht-search-left span {
    font-size: 15px;
  }
  .ht-search .ht-search-main {
    flex-wrap: wrap;
  }
  .ht-search .ht-search-main .ht-search-left {
    width: 65%;
    line-height: 30px;
  }
  .ht-search .ht-search-main .ht-search-right {
    width: 33%;
    margin-top: 10px;
  }
  .ht-search .ht-search-main .ht-search-right form input[type=text] {
    width: 80%;
  }
  .ht-container {
    flex-wrap: wrap;
    margin: 40px auto;
  }
  .ht-container .ht-left .ht-left-nav .ht-left-nav-title {
    display: none;
  }
  .ht-container .ht-left .ht-left-nav {
    box-shadow: none;
  }
  .ht-container .ht-left {
    width: 100%;
  }
  .ht-container .ht-left .ht-left-nav ul {
    flex-wrap: wrap;
    padding: 0px;
    margin-bottom: 20px;
    display: flex;
  }
  .ht-container .ht-left .ht-left-nav ul li {
    width: 31.5%;
    margin-right: 15px;
  }
  .ht-container .ht-left .ht-left-nav ul li:nth-child(3n) {
    margin-right: 0px;
  }
  .ht-container .ht-left .ht-left-lianxi {
    display: none;
  }
  .ht-container .ht-left .ht-left-nav ul li a {
    font-size: 14px;
  }
  .ht-container .ht-right {
    width: 100%;
  }
  .ht-container .ht-right .ht-right-title-row {
    flex-wrap: wrap;
  }
  .ht-container .ht-right .ht-right-title-row span {
    width: 100%;
  }
  .ht-container .ht-right .ht-right-title-row .ht-right-position {
    width: 100%;
    margin-top: 15px;
  }
  .redian .redian-list .redian-top {
    flex-wrap: wrap;
  }
  .redian .redian-list .redian-top .redian-topLeft {
    width: 35%;
    margin-bottom: 20px;
  }
  .redian .redian-list .redian-top .redian-topLeft img {
    height: auto;
  }
  .redian .redian-list .redian-top .redian-topRight {
    width: 60%;
  }
  .redian .redian-list ul li {
    width: 48%;
  }
  .hezuolist ul li,
  .productlist ul li,
  .caselist ul li {
    width: 31.5%;
    margin-right: 20px!important;
    margin-bottom: 20px;
  }
  .hezuolist ul li:nth-child(3n),
  .productlist ul li:nth-child(3n),
  .caselist ul li:nth-child(3n) {
    margin-right: 0px!important;
  }
  .page {
    flex-wrap: wrap;
  }
  .page .page-status,
  .page a {
    display: inline-block;
    margin-bottom: 15px;
    font-size: 12px;
  }
  .newslist ul li .newslink {
    flex-wrap: wrap;
  }
  .newslist ul li .newslink .news-left {
    width: 30%;
  }
  .newslist ul li .newslink .news-container {
    width: 65%;
    padding: 0px;
    margin-top: 20px;
  }
  .newslist {
    margin-top: 0px;
  }
  .newslist ul li .newslink .news-container .news-title-row h3 {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .newslist ul li .newslink .news-container .news-title-row p {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
  }
  .news-visits {
    margin-top: 15px;
  }
  .newscont .newscont-title h1 {
    font-size: 30px;
    text-align: center;
    margin-top: 5px;
  }
  .newscont .newscont-title ul {
    flex-wrap: wrap;
    justify-content: flex-start;
    padding-left: 20px;
    line-height: 25px;
    width: 95%;
  }
  .newscont .PreNext {
    flex-wrap: wrap;
  }
  .newscont .PreNext a:first-child {
    margin-bottom: 8px;
  }
  .productlist ul li > a .pro-info .pro-miaosu {
    padding: 10px 15px;
  }
  .procont .proTop .proTop-right p {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
  }
  .ht-liuyan {
    width: 100%;
    margin-top: 30px;
  }
  .ht-liuyan h3 {
    font-size: 30px;
    text-align: center;
    color: #4d4d4d;
    font-weight: 500;
  }
  .ht-container .ht-right .aboutcont img {
    width: 100%;
  }
  .aboutcont iframe {
    width: 100%;
  }
}
@media screen and (min-width: 851px) and (max-width: 1100px) {
  body {
    padding-top: 0px;
  }
  .head {
    display: none!important;
  }
  .mobile-head {
    display: block!important;
  }
  .index-about .index-about-main {
    flex-wrap: wrap;
    padding-top: 50px;
  }
  .index-about {
    height: 390px;
  }
  .index-about .index-about-main .index-about-left {
    width: 50%;
  }
  .index-about .index-about-main .index-about-right {
    width: 45%;
  }
  .index-about .index-about-main .index-about-right .index-about-right-title h1 {
    font-size: 30px;
  }
  .index-about .index-about-main .index-about-right .index-about-right-title h3 {
    margin: 20px 0px 12px 0px;
  }
  .index-about .index-about-main .index-about-right .index-about-right-title h2 {
    font-size: 20px;
  }
  .index-about .index-about-main .index-about-right > p {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
    overflow: hidden;
  }
  .index-about .index-about-main .index-about-right ul {
    margin-top: 15px;
  }
  .index-about .index-about-main .index-about-right ul .index-about-xian {
    margin: 0px 20px;
    height: 30px;
  }
  .index-about .index-about-main .index-about-right ul li h2 {
    font-size: 30px;
  }
  .index-pro .index-pro-main .index-pro-list {
    flex-wrap: wrap;
  }
  .index-pro {
    padding-top: 50px;
  }
  .index-pro .index-pro-main .index-pro-list .index-pro-left {
    width: 40%;
  }
  .index-pro .index-pro-main .index-pro-list .index-pro-right {
    width: 58%;
    padding-top: 20px;
  }
  .index-pro .index-pro-main .index-pro-youshi {
    bottom: 8%;
  }
  .index-pro .index-pro-main .index-pro-youshi ul li {
    margin-right: 25px;
  }
  .index-pro .index-pro-main .index-pro-list .index-pro-left .index-pro-title h1 {
    font-size: 30px;
  }
  .index-pro .index-pro-main .index-pro-list .index-pro-left .index-pro-title h2 span {
    font-size: 22px;
  }
  .index-pro .index-pro-main .index-pro-list .index-pro-left > p {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
    overflow: hidden;
  }
  .index-pro .index-pro-main .index-pro-youshi ul li img {
    width: 70px;
  }
  .index-zhizao .index-zhizao-main {
    flex-wrap: wrap;
  }
  .index-zhizao-left {
    width: 70%;
  }
  .index-zhizao-right {
    width: 25%;
  }
  .index-zhizao {
    margin-top: 60px;
  }
  .index-youshi .index-youshi-main .index-youshi-item {
    flex-wrap: wrap;
  }
  .index-youshi .index-youshi-main {
    margin-top: 0px;
  }
  .index-youshi {
    margin-top: 40px;
  }
  .index-youshi-title-left {
    width: 83%;
  }
  .index-youshi .index-youshi-main .index-youshi-item .index-youshi-right .index-youshi-title .index-youshi-title-right {
    width: 15%;
    font-size: 60px;
  }
  .index-youshi .index-title {
    margin-bottom: 35px;
  }
  .index-youshi .index-youshi-main .index-youshi-item .index-youshi-right {
    padding-bottom: 120px;
  }
  .index-youshi .index-youshi-main .index-youshi-item .index-youshi-right ul li {
    line-height: 30px;
  }
  .index-youshi .index-youshi-main .index-youshi-nav {
    width: 100%;
    display: flex;
    justify-content: center;
  }
  .index-youshi .index-youshi-main .index-youshi-nav ul {
    flex-wrap: wrap;
  }
  .index-youshi .index-youshi-main .index-youshi-nav .swiper-pagination-bullet {
    margin-right: 20px;
    height: 80px;
  }
  .index-youshi .index-youshi-main .index-youshi-nav .swiper-pagination-bullet div {
    padding-left: 63px;
  }
  .index-youshi .index-youshi-main .index-youshi-nav .swiper-pagination-bullet div strong {
    font-size: 17px;
  }
  .index-youshi .index-youshi-main .index-youshi-nav .swiper-pagination-bullet div p {
    font-size: 12px;
  }
  .index-youshi .index-youshi-main .index-youshi-nav .swiper-pagination-bullet::after {
    top: 13px;
  }
  .index-news {
    margin-top: 50px;
    padding-top: 40px;
  }
  .index-news .index-news-main .index-news-title-row {
    flex-wrap: wrap;
  }
  .index-news .index-news-main .index-news-title-row .index-news-title-right ul {
    margin-top: 20px;
  }
  .index-news .index-news-main .index-news-title-row .index-news-title-right ul li {
    margin-left: 20px;
  }
  .index-news .index-news-main .index-news-title-row .index-news-title-right ul li:first-child {
    margin-left: 0px;
  }
  .index-news .index-news-main .index-news-title-row .index-news-title-right ul li a {
    font-size: 14px;
    padding: 12px 24px;
  }
  .index-news .index-news-main .index-news-group {
    margin-top: 35px;
  }
  .index-news .index-news-main .index-news-group .index-news-item {
    flex-wrap: wrap;
  }
  .index-news .index-news-main .index-news-group .index-news-item .index-news-item-left {
    width: 100%;
  }
  .index-news .index-news-main .index-news-group .index-news-item .index-news-item-right {
    width: 100%;
    margin-top: 20px;
  }
  .index-news .index-news-main .index-news-group .index-news-item .index-news-item-left ul {
    flex-wrap: wrap;
  }
  .index-news .index-news-main .index-news-group .index-news-item .index-news-item-left ul li {
    width: 48%;
  }
  .index-news .index-news-main .index-news-group .index-news-item .index-news-item-right ul li a .index-news-date {
    width: 20%;
  }
  .index-news .index-news-main .index-news-group .index-news-item .index-news-item-right ul li a .index-news-title {
    width: 75%;
  }
  .index-news .index-news-main .index-news-group .index-news-item .index-news-item-right ul li a .index-news-title h1 {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .index-news .index-news-main .index-news-group .index-news-item .index-news-item-right ul li a .index-news-title p {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
    font-size: 14px;
  }
  .index-news .index-news-main .index-news-group .index-news-item .index-news-item-right ul li {
    margin-bottom: 20px;
  }
  .index-hezuo {
    margin-top: 40px;
    margin-bottom: 50px;
  }
  .footer .footer-main {
    flex-wrap: wrap;
  }
  .footer .footer-main .footer-left {
    width: 100%;
    flex-wrap: wrap;
    justify-content: flex-start;
  }
  .footer .footer-main .footer-right {
    width: 100%;
    margin-top: 30px;
  }
  .footer-item {
    width: 18%;
    margin-right: 15px;
    margin-top: 15px;
  }
  .footer-item:last-child {
    margin-right: 0px;
  }
  .footer .footer-main .footer-left .footer-item img {
    width: 105px;
  }
  .footer .footer-link .footer-link-main {
    flex-wrap: wrap;
  }
  .footer .footer-link .footer-link-main .footer-link-left {
    width: 100%;
  }
  .footer .footer-link .footer-link-main .footer-link-right {
    width: 100%;
    margin-top: 10px;
  }
  .footer .footer-link {
    margin-top: 35px;
  }
  .copying .copying-main {
    flex-wrap: wrap;
    line-height: 26px;
  }
  .copying .copying-main p {
    text-align: center;
  }
  .ht-search .ht-search-main .ht-search-left a {
    font-size: 14px;
  }
  .ht-search .ht-search-main .ht-search-left span {
    font-size: 15px;
  }
  .ht-search .ht-search-main {
    flex-wrap: wrap;
  }
  .ht-search .ht-search-main .ht-search-left {
    width: 65%;
    line-height: 30px;
  }
  .ht-search .ht-search-main .ht-search-right {
    width: 33%;
    margin-top: 10px;
  }
  .ht-search .ht-search-main .ht-search-right form input[type=text] {
    width: 80%;
  }
  .ht-container {
    flex-wrap: wrap;
    margin: 40px auto;
  }
  .ht-container .ht-left .ht-left-nav .ht-left-nav-title {
    display: none;
  }
  .ht-container .ht-left .ht-left-nav {
    box-shadow: none;
  }
  .ht-container .ht-left {
    width: 100%;
  }
  .ht-container .ht-left .ht-left-nav ul {
    flex-wrap: wrap;
    padding: 0px;
    margin-bottom: 20px;
    display: flex;
  }
  .ht-container .ht-left .ht-left-nav ul li {
    width: 31.8%;
    margin-right: 20px;
  }
  .ht-container .ht-left .ht-left-nav ul li:nth-child(3n) {
    margin-right: 0px;
  }
  .ht-container .ht-left .ht-left-lianxi {
    display: none;
  }
  .ht-container .ht-left .ht-left-nav ul li a {
    font-size: 14px;
  }
  .ht-container .ht-right {
    width: 100%;
  }
  .ht-container .ht-right .ht-right-title-row {
    flex-wrap: wrap;
  }
  .ht-container .ht-right .ht-right-title-row span {
    width: 100%;
  }
  .ht-container .ht-right .ht-right-title-row .ht-right-position {
    width: 100%;
    margin-top: 15px;
  }
  .redian .redian-list .redian-top {
    flex-wrap: wrap;
  }
  .redian .redian-list .redian-top .redian-topLeft {
    width: 28%;
    margin-bottom: 20px;
  }
  .redian .redian-list .redian-top .redian-topLeft img {
    height: auto;
  }
  .redian .redian-list .redian-top .redian-topRight {
    width: 68%;
  }
  .redian .redian-list ul li {
    width: 48%;
  }
  .hezuolist ul li,
  .productlist ul li,
  .caselist ul li {
    width: 31.5%;
    margin-right: 20px!important;
    margin-bottom: 20px;
  }
  .hezuolist ul li:nth-child(3n),
  .productlist ul li:nth-child(3n),
  .caselist ul li:nth-child(3n) {
    margin-right: 0px!important;
  }
  .page {
    flex-wrap: wrap;
  }
  .page .page-status,
  .page a {
    display: inline-block;
    margin-bottom: 15px;
    font-size: 12px;
  }
  .newslist ul li .newslink {
    flex-wrap: wrap;
  }
  .newslist ul li .newslink .news-left {
    width: 30%;
  }
  .newslist ul li .newslink .news-container {
    width: 65%;
    padding: 0px;
    margin-top: 20px;
  }
  .newslist {
    margin-top: 0px;
  }
  .newslist ul li .newslink .news-container .news-title-row h3 {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .newslist ul li .newslink .news-container .news-title-row p {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
  }
  .news-visits {
    margin-top: 15px;
  }
  .newscont .newscont-title h1 {
    font-size: 30px;
    text-align: center;
    margin-top: 5px;
  }
  .newscont .newscont-title ul {
    flex-wrap: wrap;
    justify-content: flex-start;
    padding-left: 20px;
    line-height: 25px;
    width: 95%;
  }
  .newscont .PreNext {
    flex-wrap: wrap;
  }
  .newscont .PreNext a:first-child {
    margin-bottom: 8px;
  }
  .productlist ul li > a .pro-info .pro-miaosu {
    padding: 10px 15px;
  }
  .procont .proTop .proTop-right p {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 5;
    overflow: hidden;
  }
  .ht-liuyan {
    width: 100%;
    margin-top: 30px;
  }
  .ht-liuyan h3 {
    font-size: 30px;
    text-align: center;
    color: #4d4d4d;
    font-weight: 500;
  }
  .ht-container .ht-right .aboutcont img {
    width: 100%;
  }
  .aboutcont iframe {
    width: 100%;
  }
}
@media screen and (min-width: 1101px) and (max-width: 1370px) {
  .index-about .index-about-main .index-about-right > p {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
  }
  .index-about .index-about-main .index-about-right ul {
    margin-top: 50px;
  }
  .index-about {
    height: 540px;
  }
  .index-pro .index-pro-main .index-pro-list .index-pro-left > p {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
  }
  .index-youshi .index-youshi-main .index-youshi-item .index-youshi-left {
    width: 38%;
  }
  .index-youshi .index-youshi-main .index-youshi-item .index-youshi-right {
    width: 58%;
    padding-bottom: 150px;
  }
  .index-youshi {
    margin-top: 60px;
  }
  .index-youshi .index-youshi-main .index-youshi-item .index-youshi-right ul {
    margin-top: 20px;
  }
  .index-youshi .index-youshi-main .index-youshi-nav {
    width: 100%;
    display: flex;
    justify-content: center;
  }
  .index-youshi .index-youshi-main .index-youshi-nav .swiper-pagination-bullet {
    width: 220px;
  }
  .index-youshi .index-youshi-main .index-youshi-nav .swiper-pagination-bullet div {
    padding-left: 75px;
  }
  .index-youshi .index-youshi-main .index-youshi-nav .swiper-pagination-bullet::after {
    left: 25px;
  }
  .index-youshi .index-youshi-main .index-youshi-nav ul li {
    margin-right: 20px;
  }
  .index-youshi .index-youshi-main .index-youshi-nav ul li:last-child {
    margin-right: 0px;
  }
  .redian .redian-list .redian-top .redian-topLeft {
    width: 25%;
  }
  .redian .redian-list .redian-top .redian-topRight {
    width: 70%;
  }
}
@media screen and (min-width: 1371px) and (max-width: 1445px) {
  .index-about .index-about-main .index-about-right ul {
    margin-top: 40px;
  }
  .index-about {
    height: 555px;
  }
  .index-about .index-about-main .index-about-right > p {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
    overflow: hidden;
  }
  .index-youshi .index-youshi-main .index-youshi-nav .swiper-pagination-bullet {
    width: 175px;
  }
  .index-youshi .index-youshi-main .index-youshi-nav .swiper-pagination-bullet div p {
    font-size: 12px;
  }
  .index-youshi .index-youshi-main .index-youshi-item .index-youshi-left {
    width: 43%;
  }
  .index-youshi .index-youshi-main .index-youshi-item .index-youshi-right {
    padding-bottom: 120px;
    width: 55%;
  }
}
@media screen and (min-width: 1446px) and (max-width: 1600px) {
  .index-youshi .index-youshi-main .index-youshi-nav .swiper-pagination-bullet {
    width: 175px;
  }
  .index-youshi .index-youshi-main .index-youshi-nav .swiper-pagination-bullet div p {
    font-size: 12px;
  }
}