.index_banner {
  position: relative;
  z-index: 99;
}

.index_banner #sj {
  display: none;
}

.index_banner .swiper-pagination-bullet {
  width: 49px;
  height: 5px;
  background: #FFFFFF;
  border-radius: 1px 1px 1px 1px;
  margin: 0 10px !important;
  opacity: 1;
}

.index_banner .swiper-pagination-bullet-active {
  background-color: var(--commonColor);
}

.index_banner .swiper-button-next:after,
.index_banner .swiper-button-prev:after {
  font-family: none !important;
  content: '' !important;
}

.common_title {
  font-family: 'Roboto-Medium';
  font-weight: 500;
  font-size: 45px;
  color: #333333;
  text-align: left;
  font-style: normal;
  text-transform: capitalize;
}


.common_title a {
  display: inline-block;
  color: #333333;
}

.common_title a span {
  color: var(--commonColor);
}

.common_title a:hover {
  color: var(--commonColor);
}

.index_product {
  margin-top: 5%;
}

.index_product .pro_stitle {
  font-family: 'Roboto-Medium';
  font-weight: 500;
  font-size: 24px;
  color: var(--commonColor);
  text-align: left;
  font-style: normal;
  text-transform: none;
  display: flex;
  align-items: center;
}

.index_product .pro_stitle a {
  display: inline-block;
  color: var(--commonColor);
}

.index_product .pro_stitle::before {
  content: '';
  width: 3px;
  height: 23px;
  background-color: var(--commonColor);
  display: inline-block;
  margin-right: 8px;
}

.index_product .pro_wrap {
  margin-top: 30px;
}

.index_product .pro_wrap .pro_list {
  justify-content: flex-start;
  align-items: center;
}

.index_product .pro_wrap .pro_list .pro_item {
  width: 24%;
  margin-right: 30px;
}

.index_product .pro_wrap .pro_list .pro_item:last-child {
  margin-right: 0;
}

.index_product .pro_wrap .pro_list .pro_item .item_img {
  width: 100%;
  position: relative;
  height: 0;
  overflow: hidden;
  padding-bottom: 100%;
  border-radius: 7px 7px 0px 0px;
}

.index_product .pro_wrap .pro_list .pro_item .item_img img {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  object-fit: cover;
  border-radius: 7px 7px 0px 0px;
  -webkit-transition: all .5s ease-out 0ms;
  -moz-transition: all .5s ease-out 0ms;
  -o-transition: all .5s ease-out 0ms;
  transition: all .5s ease-out 0ms;
}

.index_product .pro_wrap .pro_list .pro_item:hover .item_img img {
  -webkit-transform: scale(1.08);
  -moz-transform: scale(1.08);
  -o-transform: scale(1.08);
  transform: scale(1.08);
}

.index_product .pro_wrap .pro_list .pro_item .item_info {
  padding: 30px 20px;
  background: #F8F8F8;
}

.index_product .pro_wrap .pro_list .pro_item .item_info .item_title {
  font-family: 'Roboto-Medium';
  font-weight: 500;
  font-size: 20px;
  color: #333333;
  text-align: left;
  font-style: normal;
  text-transform: capitalize;
}

.index_product .pro_wrap .pro_list .pro_item .item_info .item_title a {
  display: inline-block;
  color: #333333;
  /* height: 180px; */
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
  text-overflow: ellipsis;
}

.index_product .pro_wrap .pro_list .pro_item:hover .item_info .item_title a {
  color: var(--commonColor);
}

.index_product .pro_wrap .pro_list .pro_item .item_info .item_desc {
  font-family: 'Roboto-Regular';
  font-weight: 400;
  font-size: 16px;
  color: #666666;
  line-height: 24px;
  text-align: left;
  font-style: normal;
  text-transform: capitalize;
  margin-top: 10px;
}

.index_product .pro_wrap .pro_list .pro_item .item_info .item_desc a {
  display: inline-block;
  color: #666666;
  height: 48px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
}

.index_product .pro_wrap .pro_list .pro_item .item_btn a {
  width: 100%;
  padding: 10px 0;
  background: #E4E4E4;
  border-radius: 0px 0px 7px 7px;
  font-family: 'Roboto-Medium';
  font-weight: 500;
  font-size: 18px;
  color: var(--commonColor);
  text-align: left;
  font-style: normal;
  text-transform: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.index_product .pro_wrap .pro_list .pro_item .item_btn a:after {
  content: '';
  display: inline-block;
  width: 20px;
  height: 20px;
  background: url(../img/index/read_more.png) no-repeat center center / cover;
  margin-left: 8px;
}

.index_product .pro_wrap .pro_list .pro_item:hover .item_btn a {
  background-color: var(--commonColor);
  color: #FFFFFF;
}

.index_product .pro_wrap .pro_list .pro_item:hover .item_btn a:after {
  background: url(../img/index/read_more_hover.png) no-repeat center center / cover;
}

.index_application {
  margin-top: 5%;
  padding: 4% 0;
  background: #F7FAFF;
}

.index_application .app_wrap {
  justify-content: space-between;
  align-items: center;
}

.index_application .app_wrap .app_image {
  width: 48%;
  position: relative;
  margin-left: -5.36%;

}

.index_application .app_wrap .app_image:before {
  content: '';
  position: absolute;
  left: -50px;
  top: -50px;
  width: 100%;
  height: 100%;
  background-color: var(--commonColor);
}

.index_application .app_wrap .app_image .app_img {
  position: relative;
  height: 0;
  overflow: hidden;
  padding-bottom: 86%;
  -webkit-transition: all .5s ease-out 0ms;
  -moz-transition: all .5s ease-out 0ms;
  -o-transition: all .5s ease-out 0ms;
  transition: all .5s ease-out 0ms;
}

.index_application .app_wrap .app_image:hover .app_img img {
  -webkit-transform: scale(1.08);
  -moz-transform: scale(1.08);
  -o-transform: scale(1.08);
  transform: scale(1.08);
}

.index_application .app_wrap .app_image .app_img img {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  object-fit: cover;
}

.index_application .app_wrap .app_info {
  width: 51%;
}

.index_application .app_wrap .app_info .app_title:after {
  content: '';
  display: block;
  width: 54px;
  height: 4px;
  background: var(--commonColor);
  margin-top: 20px;
}

.index_application .app_wrap .app_info .app_desc {
  font-family: 'Roboto-Regular';
  font-weight: 400;
  font-size: 16px;
  color: #666666;
  line-height: 24px;
  text-align: left;
  font-style: normal;
  text-transform: none;
  margin: 20px 0 25px
}

.index_application .app_wrap .app_info .app_desc a {
  display: inline-block;
  color: #666666;
  min-height: 48px;
}

.index_application .app_wrap .app_info .app_btn a {
  display: inline-block;
  padding: 10px 40px;
  background: var(--commonColor);
  border: 2px solid var(--commonColor);
  border-radius: 6px 6px 6px 6px;
  font-family: 'Roboto-Medium';
  font-weight: 500;
  font-size: 18px;
  color: #FFFFFF;
  text-align: left;
  font-style: normal;
  text-transform: none;
}

.index_application .app_wrap .app_info .app_btn a:hover {
  background-color: transparent;
  color: var(--commonColor);
}

.index_application .app_wrap .app_info .app_list {
  margin-top: 70px;
  justify-content: space-between;
  align-items: flex-start;
}

.index_application .app_wrap .app_info .app_list .app_item {
  width: 49%;
  position: relative;
  height: 0;
  overflow: hidden;
  padding-bottom: 45%;
  cursor: pointer;
  -webkit-transition: all .5s ease-out 0ms;
  -moz-transition: all .5s ease-out 0ms;
  -o-transition: all .5s ease-out 0ms;
  transition: all .5s ease-out 0ms;
}


.index_application .app_wrap .app_info .app_list .app_item:hover {
  transform: translateY(-20px);
}

.index_application .app_wrap .app_info .app_list .app_item:hover img {
  -webkit-transform: scale(1.08);
  -moz-transform: scale(1.08);
  -o-transform: scale(1.08);
  transform: scale(1.08);
}

.index_application .app_wrap .app_info .app_list .app_item img {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  object-fit: cover;
}

.index_application .app_wrap .app_info .app_list .app_item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(62, 60, 107, 0.8);
  z-index: 9;
}

.index_application .app_wrap .app_info .app_list .app_item .item_title {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 90%;
  transform: translate(-50%, -50%);
  font-family: 'Roboto-Medium';
  font-weight: 500;
  font-size: 24px;
  color: #FFFFFF;
  text-align: center;
  font-style: normal;
  text-transform: none;
  z-index: 10;
}

.index_about {
  margin-top: 5%;
}

.index_about .about_title {
  text-align: center;
}

.index_about .about_desc {
  font-family: 'Roboto-Regular';
  font-weight: 400;
  font-size: 16px;
  color: #666666;
  line-height: 24px;
  text-align: center;
  font-style: normal;
  text-transform: none;
  margin: 8px 0 35px;
}

.index_about .about_data .data_list {
  justify-content: space-between;
  align-items: center;

}

.index_about .about_data .data_list .data_item {
  width: 18%;
  justify-content: space-between;
  align-items: center;
}

.index_about .about_data .data_list .data_item .item_icon {
  width: 40px;
  height: 40px;
}

.index_about .about_data .data_list .data_item .item_icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.index_about .about_data .data_list .data_item .item_info {
  width: calc(100% - 55px);
}

.index_about .about_data .data_list .data_item .item_info .item_num {
  font-family: 'Roboto-Medium';
  font-weight: 500;
  font-size: 30px;
  color: #000000;
  text-align: left;
  font-style: normal;
  text-transform: none;
}

.index_about .about_data .data_list .data_item .item_info .item_txt {
  font-family: 'Roboto-Regular';
  font-weight: 400;
  font-size: 16px;
  color: #000000;
  text-align: left;
  font-style: normal;
  text-transform: capitalize;
}

.index_about .about_wrap {
  justify-content: space-between;
  align-items: center;
  margin-top: 60px;
}

.index_about .about_wrap .about_left {
  width: 49%;
}

.index_about .about_wrap .about_left .about_tit {
  font-family: 'Roboto-Medium';
  font-weight: 500;
  font-size: 40px;
  color: #333333;
  text-align: left;
  font-style: normal;
  text-transform: capitalize;
}

.index_about .about_wrap .about_left .about_stit {
  font-family: 'Roboto-Regular';
  font-weight: 500;
  font-size: 20px;
  color: var(--commonColor);
  text-align: left;
  font-style: normal;
  text-transform: uppercase;
  margin: 20px 0;
}

.index_about .about_wrap .about_left .about_des {
  font-family: 'Roboto-Regular';
  font-weight: 400;
  font-size: 16px;
  color: #666666;
  line-height: 24px;
  text-align: left;
  font-style: normal;
  text-transform: capitalize;
}

.index_about .about_wrap .about_left .about_adv {
  margin-top: 20px;
}

.index_about .about_wrap .about_left .about_adv .adv_list .adv_item {
  margin-bottom: 15px;
  justify-content: space-between;
  align-items: center;
}

.index_about .about_wrap .about_left .about_adv .adv_list .adv_item:last-child {
  margin-bottom: 0;
}

.index_about .about_wrap .about_left .about_adv .adv_list .adv_item .item_icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
}

.index_about .about_wrap .about_left .about_adv .adv_list .adv_item .item_icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.index_about .about_wrap .about_left .about_adv .adv_list .adv_item .item_info {
  width: calc(100% - 30px);
  font-family: 'Roboto-Regular';
  font-weight: 400;
  font-size: 16px;
  color: var(--commonColor);
  line-height: 24px;
  text-align: left;
  font-style: normal;
  text-transform: capitalize;
}

.index_about .about_wrap .about_left .about_btn a {
  display: inline-block;
  padding: 10px 35px;
  background: var(--commonColor);
  border: 2px solid var(--commonColor);
  border-radius: 6px 6px 6px 6px;
  font-family: 'Roboto-Medium';
  font-weight: 500;
  font-size: 18px;
  color: #FFFFFF;
  text-align: left;
  font-style: normal;
  text-transform: capitalize;
  margin-top: 30px;
}

.index_about .about_wrap .about_left .about_btn a:hover {
  background-color: transparent;
  color: var(--commonColor);
}




.index_about .about_wrap .about_right {
  width: 49%;
  position: relative;
  height: 420px;
  overflow: hidden;
  -webkit-transition: all .5s ease-out 0ms;
  -moz-transition: all .5s ease-out 0ms;
  -o-transition: all .5s ease-out 0ms;
  transition: all .5s ease-out 0ms;
}

.index_about .about_wrap .about_right:hover img {
  -webkit-transform: scale(1.08);
  -moz-transform: scale(1.08);
  -o-transform: scale(1.08);
  transform: scale(1.08);
}

.index_about .about_wrap .about_right img {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  object-fit: cover;
}

.index_about .about_introduct {
  margin-top: 60px;
}

.index_about ::-webkit-scrollbar {
  width: 5px;
  height: 2px;
}




.index_about .about_introduct .about_tab .tab_list {
  position: relative;
  justify-content: flex-start;
  align-items: center;
  margin-bottom: 40px;
  width: 100%;
}

.index_about .about_introduct .about_tab .tab_list:after {
  position: absolute;
  left: 0;
  bottom: 0;
  content: '';
  display: block;
  width: 100%;
  height: 2px;
  background: #D9D9D9;
}

.index_about .about_introduct .about_tab .tab_list .tab_item {
  position: relative;
  margin-right: 50px;
  font-family: 'Roboto-Medium';
  font-weight: 500;
  font-size: 20px;
  color: #333333;
  text-align: left;
  font-style: normal;
  text-transform: capitalize;
  padding-bottom: 20px;
  white-space: nowrap;
}

.index_about .about_introduct .about_tab .tab_list .tab_item.active:after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  display: block;
  width: 110%;
  height: 2px;
  background: var(--commonColor);
  margin-top: 10px;
  transition: all .3s ease-in-out;
  z-index: 30;
}

.index_about .about_introduct .about_tab .tab_list .tab_item:hover,
.index_about .about_introduct .about_tab .tab_list .tab_item.active {
  color: var(--commonColor);
}

.index_about .about_introduct .about_cont .cont_item {
  display: none;
}

.index_about .about_introduct .about_cont .cont_item.active {
  display: block;
}

.index_about .about_introduct .about_cont .cont_item .company_box {
  position: relative;
}

.index_about .about_introduct .about_cont .cont_item .company_box .company_prev,
.index_about .about_introduct .about_cont .cont_item .company_box .company_next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 35px;
  height: 35px;
  cursor: pointer;
  border-radius: 50%;
  transition: all .3s ease-in-out;
}

.index_about .about_introduct .about_cont .cont_item .company_box .company_prev {
  left: -5%;
  background: #FFFFFF url(../img/index/company_prev.png) no-repeat center center / 75%;
}

.index_about .about_introduct .about_cont .cont_item .company_box .company_prev:hover {
  background: var(--commonColor) url(../img/index/company_prev_hover.png) no-repeat center center / 75%;
}

.index_about .about_introduct .about_cont .cont_item .company_box .company_next {
  right: -5%;
  background: #FFFFFF url(../img/index/company_next.png) no-repeat center center / 75%;
}

.index_about .about_introduct .about_cont .cont_item .company_box .company_next:hover {
  background: var(--commonColor) url(../img/index/company_next_hover.png) no-repeat center center / 75%;
}

.index_about .about_introduct .about_cont .cont_item .company_box .company_wrap .company_item .item_img {
  width: 100%;
  position: relative;
  height: 0;
  overflow: hidden;
  padding-bottom: 74%;
  -webkit-transition: all .5s ease-out 0ms;
  -moz-transition: all .5s ease-out 0ms;
  -o-transition: all .5s ease-out 0ms;
  transition: all .5s ease-out 0ms;
}

.index_about .about_introduct .about_cont .cont_item .company_box .company_wrap .company_item:hover .item_img img {
  -webkit-transform: scale(1.08);
  -moz-transform: scale(1.08);
  -o-transform: scale(1.08);
  transform: scale(1.08);
}

.index_about .about_introduct .about_cont .cont_item .company_box .company_wrap .company_item .item_img img {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  object-fit: cover;
}

.index_about .about_introduct .about_cont .cont_item .company_box .company_wrap .company_item .item_title {
  font-family: 'Roboto-Regular';
  font-weight: 400;
  font-size: 16px;
  color: #000000;
  text-align: center;
  font-style: normal;
  text-transform: capitalize;
  margin-top: 15px;
}

.index_about .about_introduct .about_cont .cont_item .service_list {
  justify-content: space-between;
  align-items: center;
}

.index_about .about_introduct .about_cont .cont_item .service_list .service_item {
  width: 32%;
  margin-right: 30px;
  padding: 45px 40px;
  background: #F4F4F4;
  border-radius: 10px 10px 10px 10px;
  transition: all .3s ease-in-out;
}

.index_about .about_introduct .about_cont .cont_item .service_list .service_item:nth-child(3n) {
  margin-right: 0;
}

.index_about .about_introduct .about_cont .cont_item .service_list .service_item:hover {
  background-color: var(--commonColor);
}


.index_about .about_introduct .about_cont .cont_item .service_list .service_item .item_icon {
  position: relative;
  width: 50px;
  height: 50px;
  transition: all .3s ease-in-out;
}

.index_about .about_introduct .about_cont .cont_item .service_list .service_item .item_icon img {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.index_about .about_introduct .about_cont .cont_item .service_list .service_item .item_icon .service_icon2 {
  opacity: 0;
}

.index_about .about_introduct .about_cont .cont_item .service_list .service_item:hover .item_icon .service_icon {
  opacity: 0;
}

.index_about .about_introduct .about_cont .cont_item .service_list .service_item:hover .item_icon .service_icon2 {
  opacity: 1;
}

.index_about .about_introduct .about_cont .cont_item .service_list .service_item .item_title {
  font-family: 'Roboto-Medium';
  font-weight: 500;
  font-size: 16px;
  color: #3E3C6B;
  line-height: 24px;
  text-align: left;
  font-style: normal;
  text-transform: capitalize;
  margin: 8px 0;
}

.index_about .about_introduct .about_cont .cont_item .service_list .service_item:hover .item_title {
  color: #FFFFFF;
}

.index_about .about_introduct .about_cont .cont_item .service_list .service_item .item_desc {
  font-family: 'Roboto-Regular';
  font-weight: 400;
  font-size: 16px;
  color: #666666;
  line-height: 24px;
  text-align: left;
  font-style: normal;
  text-transform: none;
  min-height: 48px;
  height: 192px;
  overflow: hidden;
}

.index_about .about_introduct .about_cont .cont_item .service_list .service_item:hover .item_desc {
  color: #FFFFFF;
}

.index_certificate {
  margin-top: 5%;
  padding: 5% 0;
}

.index_certificate .certificate_title {
  text-align: center;
}

.index_certificate .certificate_box {
  position: relative;
  margin-top: 45px;
}

.index_certificate .certificate_box .certificate_prev,
.index_certificate .certificate_box .certificate_next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  z-index: 10;
  cursor: pointer;
  transition: all .5s ease-in-out;
}

.index_certificate .certificate_box .certificate_prev {
  left: -5%;
  background: url(../img/index/swiper-prev.png) no-repeat center center / 90%;
}

.index_certificate .certificate_box .certificate_prev:hover {
  background: url(../img/index/swiper_prev_hover.png) no-repeat center center / 90%;
}


.index_certificate .certificate_box .certificate_next {
  right: -5%;
  background: url(../img/index/swiper-next.png) no-repeat center center / 90%;
}

.index_certificate .certificate_box .certificate_next:hover {
  background: url(../img/index/swiper_next_hover.png) no-repeat center center / 90%;
}

.index_certificate .certificate_wrap {
  overflow: hidden;
}

.index_certificate .certificate_wrap .certificate_item {
  width: 100%;
  position: relative;
  height: 0;
  overflow: hidden;
  padding-bottom: 26%;
  -webkit-transition: all .5s ease-out 0ms;
  -moz-transition: all .5s ease-out 0ms;
  -o-transition: all .5s ease-out 0ms;
  transition: all .5s ease-out 0ms;
}

.index_certificate .certificate_wrap .certificate_item:hover img {
  -webkit-transform: scale(1.08);
  -moz-transform: scale(1.08);
  -o-transform: scale(1.08);
  transform: scale(1.08);
}

.index_certificate .certificate_wrap .certificate_item img {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  object-fit: cover;
}

.index_news {
  margin: 5% 0;
}

.index_news .news_title {
  text-align: center;
}

.index_news .news_desc {
  font-family: 'Roboto-Regular';
  font-weight: 400;
  font-size: 16px;
  color: #666666;
  line-height: 24px;
  text-align: center;
  font-style: normal;
  text-transform: none;
  margin: 5px 0 50px;
}

.index_news .news_wrap .news_list {
  justify-content: flex-start;
  align-items: center;
}

.index_news .news_wrap .news_list .news_item {
  width: 31.5%;
  margin-right: 30px;
}

.index_news .news_wrap .news_list .news_item:nth-child(3n) {
  margin-right: 0;
}

.index_news .news_wrap .news_list .news_item .item_img {
  width: 100%;
  position: relative;
  height: 0;
  overflow: hidden;
  padding-bottom: 67.5%;
  border-radius: 7px 7px 0px 0px;
  -webkit-transition: all .5s ease-out 0ms;
  -moz-transition: all .5s ease-out 0ms;
  -o-transition: all .5s ease-out 0ms;
  transition: all .5s ease-out 0ms;
}

.index_news .news_wrap .news_list .news_item:hover .item_img img {
  -webkit-transform: scale(1.08);
  -moz-transform: scale(1.08);
  -o-transform: scale(1.08);
  transform: scale(1.08);
}

.index_news .news_wrap .news_list .news_item .item_img img {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  object-fit: cover;
  border-radius: 7px 7px 0px 0px;
}

.index_news .news_wrap .news_list .news_item .item_info {
  padding: 30px 20px;
  background: #FFFFFF;
  box-shadow: 0px 2px 20px 0px rgba(0, 0, 0, 0.15);
  border-radius: 0px 0px 7px 7px;
}

.index_news .news_wrap .news_list .news_item .item_info .item_title {
  font-family: 'Roboto-Medium';
  font-weight: 500;
  font-size: 18px;
  color: #333333;
  line-height: 24px;
  text-align: left;
  font-style: normal;
  text-transform: capitalize;
}

.index_news .news_wrap .news_list .news_item .item_info .item_title a {
  display: inline-block;
  color: #333333;
  height: 72px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
  text-overflow: ellipsis;

}

.index_news .news_wrap .news_list .news_item:hover .item_info .item_title a {
  color: var(--commonColor);
}

.index_news .news_wrap .news_list .news_item .item_info .item_date {
  font-family: 'Roboto-Regular';
  font-weight: 400;
  font-size: 16px;
  color: #999999;
  text-align: left;
  font-style: normal;
  text-transform: none;
  margin: 10px 0;
}

.index_news .news_wrap .news_list .news_item .item_info .item_desc {
  font-family: ' Roboto-Regular';
  font-weight: 400;
  font-size: 16px;
  color: #999999;
  line-height: 24px;
  text-align: left;
  font-style: normal;
  text-transform: none;
}

.index_news .news_wrap .news_list .news_item .item_info .item_desc a {
  display: inline-block;
  color: #666666;
  height: 48px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
}

.index_news .news_wrap .news_list .news_item .item_info .item_btn a {

  border-radius: 29px 29px 29px 29px;
  padding: 10px 0;
  font-family: 'Roboto-Medium';
  font-weight: 500;
  font-size: 18px;
  color: var(--commonColor);
  text-align: left;
  font-style: normal;
  text-transform: capitalize;
  display: flex;
  align-items: center;
  max-width: 210px;
  margin-top: 20px;
}

.index_news .news_wrap .news_list .news_item:hover .item_info .item_btn a {
  background-color: var(--commonColor);
  padding: 10px 35px;
  color: #FFFFFF;
}

.index_news .news_wrap .news_list .news_item .item_info .item_btn a:after {
  content: '';
  display: inline-block;
  width: 20px;
  height: 20px;
  background: url(../img/index/read_more.png) no-repeat center center / cover;
  margin-left: 10px;
}

.index_news .news_wrap .news_list .news_item:hover .item_info .item_btn a:after {
  background: url(../img/index/read_more_hover.png) no-repeat center center / cover;
}

@media only screen and (max-width: 1700px) {
  .index_application .app_wrap .app_image {
    width: 46%;
    margin-left: 0;
  }

  .index_application .app_wrap .app_info {
    width: 46%;
  }
}

@media only screen and (max-width: 1540px) {
  .index_application .app_wrap .app_image {
    margin-left: 50px;
  }

}

@media only screen and (max-width: 1200px) {
  .index_certificate .certificate_wrap .certificate_item {
    padding-bottom: 36%;
  }

  .index_about .about_introduct {
    visibility: visible !important;
  }

  .index_certificate {
    visibility: visible !important;
  }

  .index_news {
    visibility: visible !important;
  }
}

@media only screen and (max-width: 950px) {
  .index_banner #sj {
    display: block;
  }

  .index_banner #pc {
    display: none;
  }

  .common_title {
    font-size: 24px;
    line-height: 1.5;
  }
  .index_product .pro_stitle{
    font-size:20px
  }
  .index_product .pro_wrap .pro_list {
    flex-wrap: wrap;
  }

  .index_product .pro_wrap .pro_list .pro_item {
    width: 47.5%;
    margin-bottom: 30px;
  }

  .index_product .pro_wrap .pro_list .pro_item:nth-child(2n) {
    margin-right: 0;
  }

  .index_application .app_wrap {
    flex-direction: column-reverse;
  }

  .index_application .app_wrap .app_image {
    width: 97.5%;
    margin-top: 100px;
    margin-left: 0;
    margin-right: auto;
  }

  .index_application .app_wrap .app_image:before {
    top: -30px;
    left: -30px;
  }

  .index_application .app_wrap .app_image .app_img {
    margin-left: calc(30px - 2.5%);
  }

  .index_application .app_wrap .app_info {
    width: 100%;
  }

  .index_application .app_wrap .app_info .app_list {
    margin-top: 50px;
  }

  .index_about .about_data .data_list {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .index_about .about_data .data_list .data_item {
    width: 33%;
    margin-bottom: 20px;
  }

  .index_about .about_wrap {
    margin-top: 30px;
    flex-direction: column;
    align-items: center;
  }

  .index_about .about_wrap .about_left {
    width: 100%;
    margin-bottom: 30px;
  }

  .index_about .about_wrap .about_right {
    width: 100%;
    height: 0;
    padding-bottom: 60%;
  }

  .index_about .about_introduct .about_tab .tab_list {
    margin-bottom: 30px;
  }


  .index_about .about_introduct .about_cont .cont_item .company_box .company_wrap {
    padding-bottom: 60px;
  }

  .index_about .about_introduct .about_cont .cont_item .company_box .company_prev,
  .index_about .about_introduct .about_cont .cont_item .company_box .company_next {
    top: auto;
    bottom: 0;
    transform: translateY(0);
    z-index: 99;
  }

  .index_about .about_introduct .about_cont .cont_item .company_box .company_prev {
    left: 45%;
  }

  .index_about .about_introduct .about_cont .cont_item .company_box .company_next {
    right: 45%;
  }

  .index_about .about_introduct .about_cont .cont_item .service_list {
    flex-direction: column;
    align-items: center;
  }

  .index_about .about_introduct .about_cont .cont_item .service_list .service_item {
    width: 100%;
    margin-right: 0;
    margin-bottom: 20px;
  }

  .index_certificate .certificate_wrap .certificate_item {
    padding-bottom: 50%;
  }

  .index_certificate .certificate_wrap {
    padding-bottom: 60px;
  }

  .index_certificate .certificate_box .certificate_prev,
  .index_certificate .certificate_box .certificate_next {
    top: auto;
    bottom: 0;
    transform: translateY(0);
    z-index: 99;
  }

  .index_certificate .certificate_box .certificate_prev {
    left: 45%;
  }

  .index_certificate .certificate_box .certificate_next {
    right: 45%;
  }

  .index_news .news_wrap .news_list {
    flex-direction: column;
    align-items: center;
  }

  .index_news .news_wrap .news_list .news_item {
    width: 100%;
    margin-right: 0;
    margin-bottom: 30px;
  }

  .index_news .news_wrap .news_list .news_item .item_info .item_title a {
    height: auto;
    -webkit-line-clamp: unset;
    overflow: visible;
  }

  .index_news .news_wrap .news_list .news_item .item_info .item_desc a {
    height: auto;
    -webkit-line-clamp: unset;
    overflow: visible;
  }

  .index_news .news_wrap .news_list .news_item .item_info .item_btn a {
    padding: 10px 35px;
    background-color: var(--commonColor);
    color: #FFFFFF;
  }

  .index_news .news_wrap .news_list .news_item .item_info .item_btn a:after {
    background: url(../img/index/read_more_hover.png) no-repeat center center / cover;
  }
}




@media only screen and (max-width: 640px) {
  .common_title {
    font-size: 24px;
  }

  .index_product .pro_wrap .pro_list .pro_item {
    width: 100%;
    margin-right: 0 !important;
  }
  .index_product .pro_wrap .pro_list .pro_item .item_info .item_title a{
    height: auto;
    -webkit-line-clamp: unset;
    overflow: visible;
  }
  .index_product .pro_wrap .pro_list .pro_item .item_info .item_desc a{
    height: auto;
    -webkit-line-clamp: unset;
    overflow: visible;
  }

  .index_product .pro_wrap .pro_list .pro_item .item_btn a {
    background-color: var(--commonColor);
    color: #FFFFFF;
  }

  .index_product .pro_wrap .pro_list .pro_item .item_btn a:after {
    background: url(../img/index/read_more_hover.png) no-repeat center center / cover;
  }

  .index_application .app_wrap .app_info .app_list {
    flex-direction: column;
    align-items: center;
    margin-top: 30px;
  }

  .index_application .app_wrap .app_info .app_list .app_item {
    width: 100%;
    padding-bottom: 86%;
    margin-right: 0;
  }

  .index_application .app_wrap .app_info .app_list .app_item:first-child {
    margin-top: 0;
    margin-bottom: 20px;
  }

  .index_about .about_data .data_list {
    flex-direction: column;
    align-items: center;
  }

  .index_about .about_data .data_list .data_item {
    width: 100%;
    margin-bottom: 20px;
  }

  .index_about .about_wrap .about_left .about_tit {
    font-size: 30px;
    line-height: 1.5;
  }

  .index_about .about_introduct .about_cont .cont_item .company_box .company_prev {
    left: 40%;
  }

  .index_about .about_introduct .about_cont .cont_item .company_box .company_next {
    right: 40%;
  }

  .index_about .about_introduct .about_cont .cont_item .service_list .service_item {
    padding: 20px;
  }

  .index_certificate .certificate_box .certificate_prev {
    left: 35%;
  }

  .index_certificate .certificate_box .certificate_next {
    right: 35%;
  }
}

@media only screen and (max-width: 480px) {
  .index_certificate .certificate_wrap .certificate_item {
    padding-bottom: 110%;
  }

  .index_about .about_introduct .about_tab .tab_list .tab_item {
    font-size: 18px;
    margin-right: 35px;
  }
}

@media only screen and (max-width: 413px) {
  .index_about .about_introduct .about_tab .tab_list .tab_item {
    font-size: 18px;
    margin-right: 15px;
  }
}