* {
  margin: 0;
  padding: 0;
}
button {
  border: none;
  outline: none;
  font-family: inherit;
}
body {
  background: #F4F4F4;
  padding-top: 1.7rem;
}
.support_btn {
  width: fit-content;
  display: block;
  padding: 0.1rem 0.22rem;
  border-radius: 0.23rem;
  background: #FFBA00;
  font-size: 0.16rem;
  color: #FFFFFF;
}
.support_banner {
  height: 6rem;
  position: relative;
  overflow: hidden;
  color: #FFFFFF;
}
.support_banner .banner_bg {
  position: absolute;
  inset: 0;
}
.support_banner .banner_bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.support_banner .banner_bg::after {
  content: "";
  position: absolute;
  inset: 0;
  /*background: rgba(0, 0, 0, 0.66);*/
}
.support_banner > .main {
  height: 100%;
  position: relative;
  z-index: 1;
  padding-top: 0.42rem;
}
.support_banner .bread_nav .main {
  padding: 0;
  margin: 0;
  width: 100%;
  color: #FFFFFF;
}
.support_banner .banner_txt {
  max-width: 9.38rem;
  margin-top: 0.86rem;
}
.support_banner .banner_txt h2 {
  font-family: Poppins-SemiBold;
  font-weight: 600;
  font-size: 0.45rem;
  color: #FFFFFF;
  line-height: 1;
}
.support_banner .banner_txt h3 {
  margin-top: 0.22rem;
  font-family: Poppins-SemiBold;
  font-weight: 600;
  font-size: 0.18rem;
  color: #FFFFFF;
  line-height: 1.666;
}
.support_banner .banner_txt p {
  width: 100%;
  margin-top: 0.29rem;
  font-family: Poppins-Light;
  font-weight: 300;
  font-size: 0.16rem;
  color: rgba(255, 255, 255);
  line-height: 1.6;
}
.support_banner .banner_txt .support_btn {
  position: absolute;
  left: 0;
  bottom: 1.14rem;
}
.sec_white {
  background: #FFFFFF;
}
.support_app {
  padding: 0.6rem 0 0.95rem;
}
.support_app .app_grid {
  margin-top: 0.63rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.4rem;
}
.support_app .app_item .app_img {
  width: 100%;
  height: 0;
  padding-bottom: 56.7%;
  position: relative;
  overflow: hidden;
  border-radius: 0.1rem;
  object-fit: cover;
}
.support_app .app_item .app_img img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease-in-out;
}
.support_app .app_item h3 {
  height: 0.57rem;
  margin-top: 0.2rem;
  font-family: Poppins-SemiBold;
  font-weight: 600;
  font-size: 0.2rem;
  color: #000000;
  line-height: 1.25;
  margin-bottom: 0.04rem;
}
.support_app .app_item:hover img {
  transform: scale(1.1);
}
.support_app .app_item:hover h3 {
  color: #0069DB;
}
.support_app .app_item:hover .text_more {
  color: #0069DB;
}
.support_app .app_item:hover .text_more::after {
  left: calc(100% + 0.1rem);
  background: url(../img/nav_icon.png) no-repeat center center;
  background-size: contain;
}
.support_app .app_item:hover .text_more::before {
  width: 100%;
}
.param_sec {
  padding: 0.7rem 0;
}
.param_sec .param_table {
  width: 100%;
  margin: 0.42rem auto 0;
  border-collapse: collapse;
  border: 0.01rem solid #D0D0D0;
}
.param_sec .param_table td {
  min-height: 0.6rem;
  padding: 0.15rem 0.77rem;
  border-bottom: 0.01rem solid #D0D0D0;
  border-left: 0.01rem solid #D0D0D0;
  font-weight: 300;
  font-size: 0.18rem;
  color: #707070;
  text-align: left;
}
.param_sec .param_table td:first-child {
  width: 25%;
  padding-left: 0.5rem;
  background: #E5F1FF;
  border-left: none;
  font-weight: 400;
  font-size: 0.2rem;
  color: #000000;
}
.brand_support {
  padding: 0.7rem 0 0.96rem;
}
.brand_support.white {
  background: #FFFFFF;
}
.brand_support .brand_logo_grid {
  margin-top: 0.5rem;
  display: flex;
  flex-wrap: wrap;
  column-gap: 0.2rem;
  row-gap: 0.27rem;
}
.brand_support .brand_logo_grid .logo_item {
  width: calc((100% - 1rem) / 6);
  height: 1rem;
  overflow: hidden;
  background: #fff;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 0.01rem solid #D0D0D0;
}
.brand_support .brand_logo_grid .logo_item img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.brand_support .brand_logo_grid .logo_item .logo_more {
  position: absolute;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--s_tran);
}
.brand_support .brand_logo_grid .logo_item .logo_more span {
  width: 0.3rem;
  height: 0.3rem;
  background: #0069DB;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.brand_support .brand_logo_grid .logo_item .logo_more span img {
  width: 0.1rem;
  height: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
}
.brand_support .brand_logo_grid .logo_item:hover .logo_more {
  opacity: 1;
}
.resource_sec {
  padding: 0.6rem 0 0.7rem;
}
.resource_sec .resource_grid {
  margin-top: 0.6rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.46rem 0.5rem;
}
.resource_sec .resource_card {
  min-height: 1.7rem;
  padding: 0.4rem 0.22rem 0.28rem 0.88rem;
  background: #FFFFFF;
  border-radius: 0.1rem;
  position: relative;
}
.resource_sec .resource_card i {
  width: 0.48rem;
  height: 0.48rem;
  background: #0069DB;
  border-radius: 50%;
  position: absolute;
  top: 0.4rem;
  left: 0.27rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.resource_sec .resource_card i img {
  width: 0.27rem;
  height: 0.27rem;
  object-fit: contain;
}
.resource_sec .resource_card h3 {
  font-family: Poppins-SemiBold;
  font-weight: 600;
  font-size: 0.2rem;
  color: #000000;
  line-height: 1.75;
}
.resource_sec .resource_card p {
  margin-top: 0.03rem;
  font-family: Poppins-Light;
  font-weight: 300;
  font-size: 0.16rem;
  color: #5D5D5D;
  line-height: 1.55;
}
.resource_sec .resource_card:hover h3 {
  color: #0069DB;
}
.doc_cat_sec {
  padding: 0.7rem 0 0.9rem;
  background: #F4F4F4;
}
.doc_cat_sec .doc_grid {
  margin-top: 0.46rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.46rem 0.37rem;
}
.doc_cat_sec .doc_item {
  height: 1.5rem;
  border: 0.01rem solid transparent;
  border-radius: 0.1rem;
  background: #FFFFFF;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #000000;
}
.doc_cat_sec .doc_item i {
  width: 0.53rem;
  height: 0.53rem;
  margin-bottom: 0.09rem;
  border-radius: 50%;
  background: #0069DB;
  display: flex;
  align-items: center;
  justify-content: center;
}
.doc_cat_sec .doc_item i img {
  width: 0.27rem;
  height: 0.27rem;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.doc_cat_sec .doc_item span {
  font-size: 0.2rem;
}
.doc_cat_sec .doc_item:hover {
  border-color: #0069DB;
  color: #0069DB;
  box-shadow: 0rem 0rem 0.35rem 0.01rem rgba(0, 122, 255, 0.18);
}
.consult_service {
  padding: 0.6rem 0 0.78rem;
}
.consult_service .service_grid {
  margin-top: 0.6rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  column-gap: 0.36rem;
  row-gap: 0.42rem;
}
.consult_service .service_card {
  min-height: 2.66rem;
  padding: 0.38rem 0.26rem;
  border: 0.01rem solid transparent;
  border-radius: 0.1rem;
  background: #FFFFFF;
}
.consult_service .service_card i {
  display: block;
  width: 0.61rem;
  height: 0.61rem;
  border-radius: 50%;
  background: #0069DB;
  display: flex;
  align-items: center;
  justify-content: center;
}
.consult_service .service_card i img {
  width: 0.34rem;
  height: 0.34rem;
  object-fit: contain;
}
.consult_service .service_card h3 {
  margin-top: 0.13rem;
  font-family: Poppins-SemiBold;
  font-weight: 600;
  font-size: 0.2rem;
  color: #000000;
  line-height: 1.75;
}
.consult_service .service_card p {
  margin-top: 0.07rem;
  font-family: Poppins-Light;
  font-weight: 300;
  font-size: 0.16rem;
  color: #000;
  line-height: 1.55;
}
.consult_service .service_card:hover {
  border-color: #0069DB;
}
.consult_service .service_card:hover h3,
.consult_service .service_card:hover p {
  color: #0069DB;
}
.industry_sec {
  padding: 0.7rem 0 0.97rem;
  background: #FFFFFF;
}
.industry_grid,
.guide_grid {
  margin-top: 0.55rem;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.34rem 0.25rem;
}
.industry_grid .grid_tiem,
.guide_grid .grid_tiem {
  text-align: center;
}
.industry_grid .grid_tiem .industry_img,
.guide_grid .grid_tiem .industry_img {
  width: 100%;
  height: 0;
  padding-bottom: 64.66%;
  overflow: hidden;
  position: relative;
  border-radius: 0.1rem;
}
.industry_grid .grid_tiem .industry_img img,
.guide_grid .grid_tiem .industry_img img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all 0.3s ease-in-out;
}
.industry_grid .grid_tiem span,
.guide_grid .grid_tiem span {
  display: block;
  margin-top: 0.11rem;
  font-family: Poppins-SemiBold;
  font-weight: 600;
  font-size: 0.16rem;
  color: #000000;
  line-height: 1.625;
}
.industry_grid .grid_tiem.active img,
.guide_grid .grid_tiem.active img,
.industry_grid .grid_tiem:hover img,
.guide_grid .grid_tiem:hover img {
  transform: scale(1.1);
}
.industry_grid .grid_tiem.active span,
.guide_grid .grid_tiem.active span,
.industry_grid .grid_tiem:hover span,
.guide_grid .grid_tiem:hover span {
  color: #0069DB;
}
.why_sec {
  padding: 0.7rem 0;
}
.why_sec .why_grid {
  margin-top: 0.66rem;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.45rem;
  text-align: center;
}
.why_sec .why_grid i {
  width: 0.69rem;
  height: 0.69rem;
  margin: 0 auto 0.16rem;
  border-radius: 50%;
  background: #0069DB;
  display: flex;
  align-items: center;
  justify-content: center;
}
.why_sec .why_grid i img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.why_sec .why_grid h3 {
  font-family: Poppins-SemiBold;
  font-weight: 600;
  font-size: 0.2rem;
  color: #000000;
  line-height: 1.75;
}
.why_sec .why_grid p {
  width: 100%;
  font-family: Poppins-Light;
  margin-top: 0.12rem;
  font-weight: 300;
  font-size: 0.16rem;
  color: #000;
  line-height: 1.55;
}
.cooling_sec {
  padding: 0.6rem 0 0.8rem;
}
.cooling_sec .cooling_tabs {
  margin-top: 0.45rem;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.18rem;
}
.cooling_sec .cooling_tabs .cooling_tiem {
  height: 1.55rem;
  border-radius: 0.1rem;
  background: #FFFFFF;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #000000;
}
.cooling_sec .cooling_tabs .cooling_tiem i {
  width: 0.61rem;
  height: 0.61rem;
  margin-bottom: 0.15rem;
  border-radius: 50%;
  background: #F4F4F4;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cooling_sec .cooling_tabs .cooling_tiem i img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.cooling_sec .cooling_tabs .cooling_tiem span {
  font-size: 0.18rem;
}
.cooling_sec .cooling_tabs .cooling_tiem:hover {
  background: #0069DB;
  color: #FFFFFF;
}
.cooling_sec .cooling_tabs .cooling_tiem:hover i {
  background: #FFFFFF;
}
.fan_tech_sec {
  padding: 0.7rem 0 0.9rem;
  background: #FFFFFF;
}
.fan_tech_sec .tech_list {
  margin-top: 0.45rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.34rem;
}
.fan_tech_sec .tech_list .tech_tiem {
  height: 0.85rem;
  padding-left: 0.18rem;
  border: 0.02rem solid #D0D0D0;
  border-radius: 0.1rem;
  display: flex;
  align-items: center;
  font-size: 0.18rem;
  color: #000;
}
.fan_tech_sec .tech_list .tech_tiem::before {
  content: "";
  width: 0.05rem;
  height: 0.05rem;
  margin-right: 0.04rem;
  border-radius: 50%;
  border: 0.02rem solid #707070;
}
.fan_tech_sec .tech_list .tech_tiem:hover {
  border-color: #0069DB;
  color: #0069DB;
}
.fan_tech_sec .tech_list .tech_tiem:hover::before {
  border-color: #0069DB;
  background: #0069DB;
}
.guide_sec {
  padding: 0.7rem 0 0.7rem;
  background: #F4F4F4;
}
.guide_sec .guide_grid {
  grid-template-columns: repeat(3, 1fr);
  gap: 0.34rem;
}
.guide_sec .guide_grid .grid_tiem .industry_img {
  padding-bottom: 51%;
}
.guide_sec .guide_grid .grid_tiem span {
  font-size: 0.2rem;
}
.case_study_sec {
  padding: 0.7rem 0 0.87rem;
  background: #FFFFFF;
}
.case_study_sec .case_study_grid {
  margin-top: 0.6rem;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.32rem;
}
.case_study_sec .case_study_grid .case_tiem {
  min-height: 2.58rem;
  padding: 0.46rem 0.2rem 0.25rem;
  border-radius: 0.1rem;
  background: #F4F4F4;
  display: block;
}
.case_study_sec .case_study_grid .case_tiem i {
  width: 0.61rem;
  height: 0.61rem;
  margin-bottom: 0.2rem;
  border-radius: 50%;
  background: #0069DB;
  display: flex;
  align-items: center;
  justify-content: center;
}
.case_study_sec .case_study_grid .case_tiem i img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  /*filter: brightness(0) invert(1);*/
}
.case_study_sec .case_study_grid .case_tiem span {
  font-size: 0.2rem;
  color: #000000;
  line-height: 1.5;
}
.case_study_sec .case_study_grid .case_tiem:hover span {
  color: #0069DB;
}
.support_index_sec {
  padding: 0.7rem 0 0.9rem;
}
.support_entry_grid {
  margin-top: 0.55rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.28rem;
}
.support_entry_item {
  min-height: 3.7rem;
  border-radius: 0.1rem;
  background: #FFFFFF;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: 0 0.08rem 0.24rem rgba(0, 0, 0, 0.06);
}
.support_entry_item .support_entry_img {
  width: 100%;
  height: 0;
  padding-bottom: 62%;
  overflow: hidden;
  position: relative;
}
.support_entry_item .support_entry_img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease-in-out;
}
.support_entry_body {
  flex: 1;
  padding: 0.24rem 0.22rem 0.54rem;
}
.support_entry_body i {
  width: 0.46rem;
  height: 0.46rem;
  margin-bottom: 0.12rem;
  border-radius: 50%;
  background: #0069DB;
  display: flex;
  align-items: center;
  justify-content: center;
}
.support_entry_body i img {
  width: 0.25rem;
  height: 0.25rem;
  object-fit: contain;
}
.support_entry_body h3 {
  font-family: Poppins-SemiBold;
  font-weight: 600;
  font-size: 0.2rem;
  color: #000000;
  line-height: 1.35;
}
.support_entry_body p {
  margin-top: 0.1rem;
  font-family: Poppins-Light;
  font-weight: 300;
  font-size: 0.16rem;
  color: #5D5D5D;
  line-height: 1.55;
}
.support_entry_item .text_more {
  position: absolute;
  left: 0.22rem;
  bottom: 0.22rem;
}
.support_entry_item:hover .support_entry_img img {
  transform: scale(1.08);
}
.support_entry_item:hover h3,
.support_entry_item:hover .text_more {
  color: #0069DB;
}
.support_faq_sec {
  padding: 0.7rem 0;
}
.support_faq_list {
  margin-top: 0.5rem;
}
.support_faq_item {
  margin-bottom: 0.18rem;
  border-radius: 0.1rem;
  background: #FFFFFF;
  overflow: hidden;
}
.support_faq_item button {
  width: 100%;
  padding: 0.24rem 0.28rem;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  text-align: left;
}
.support_faq_item button span {
  font-family: Poppins-SemiBold;
  font-weight: 600;
  font-size: 0.18rem;
  color: #000000;
  line-height: 1.45;
}
.support_faq_item button i {
  width: 0.32rem;
  height: 0.32rem;
  border: 0.01rem solid #939393;
  border-radius: 50%;
  position: relative;
  flex: 0 0 auto;
  margin-left: 0.2rem;
}
.support_faq_item button i::before,
.support_faq_item button i::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0.14rem;
  height: 0.02rem;
  background: #707070;
  transform: translate(-50%, -50%);
}
.support_faq_item button i::after {
  transform: translate(-50%, -50%) rotate(90deg);
}
.support_faq_item > div {
  display: none;
  padding: 0 0.28rem 0.26rem;
  font-family: Poppins-Light;
  font-weight: 300;
  font-size: 0.16rem;
  color: #4B4B4B;
  line-height: 1.75;
}
.support_faq_item.active button span {
  color: #0069DB;
}
.support_faq_item.active button i {
  background: #0069DB;
  border-color: #0069DB;
}
.support_faq_item.active button i::before,
.support_faq_item.active button i::after {
  background: #FFFFFF;
}
.support_faq_item.active button i::after {
  display: none;
}
.support_video_sec {
  padding: 0.7rem 0 0.9rem;
}
.support_video_grid {
  margin-top: 0.52rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.34rem;
}
.support_video_item {
  display: block;
}
.support_video_item > div {
  width: 100%;
  height: 0;
  padding-bottom: 58%;
  border-radius: 0.1rem;
  overflow: hidden;
  position: relative;
  background: #EDEDED;
}
.support_video_item > div::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0.56rem;
  height: 0.56rem;
  border-radius: 50%;
  background: rgba(0, 105, 219, 0.92) url(../img/play.png) center center no-repeat;
  background-size: 0.18rem auto;
  transform: translate(-50%, -50%);
}
.support_video_item img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease-in-out;
}
.support_video_item h3 {
  margin-top: 0.18rem;
  font-family: Poppins-SemiBold;
  font-weight: 600;
  font-size: 0.2rem;
  color: #000000;
  line-height: 1.35;
}
.support_video_item:hover img {
  transform: scale(1.08);
}
.support_video_item:hover h3 {
  color: #0069DB;
}
@media screen and (max-width: 1024px) {
  .support_entry_grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media screen and (max-width: 768px) {
  .support_entry_grid,
  .resource_sec .resource_grid,
  .support_video_grid {
    grid-template-columns: 1fr;
  }
  .support_entry_item {
    min-height: auto;
  }
}







.solution_form_pop {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: none;
  align-items: flex-end;
  background: rgba(0, 0, 0, 0.6);
}
.solution_form_pop .form_panel {
  width: 100%;
  min-height: 7rem;
  padding: 0.7rem 0;
  border-radius: 0.32rem 0.32rem 0 0;
  background: #FFFFFF;
}
.solution_form_pop .form_panel h2 {
  text-align: center;
  font-family: Poppins-SemiBold;
  font-weight: 600;
  font-size: 0.35rem;
  color: #000000;
  line-height: 1.2;
}
.solution_form_pop .form_panel form {
  margin-top: 0.32rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.25rem 0.38rem;
}
.solution_form_pop .form_panel .form_row label {
  display: block;
  margin-bottom: 0.13rem;
  font-size: 0.2rem;
  color: #000000;
  line-height: 1.4;
}
.solution_form_pop .form_panel .form_row input,
.solution_form_pop .form_panel .form_row textarea {
  width: 100%;
  height: 0.5rem;
  padding: 0 0.2rem;
  border: 0.01rem solid #D0D0D0;
  border-radius: 0.05rem;
  font-family: Poppins-Light;
  font-weight: 300;
  font-size: 0.16rem;
  color: #000000;
}
.solution_form_pop .form_panel .form_row input:placeholder,
.solution_form_pop .form_panel .form_row textarea:placeholder {
  font-family: Poppins-Light;
  font-weight: 300;
  color: #AAAAAA;
}
.solution_form_pop .form_panel .form_row input:focus,
.solution_form_pop .form_panel .form_row textarea:focus {
  border-color: #0069DB;
}
.solution_form_pop .form_panel .form_row textarea {
  height: 1.2rem;
  padding-top: 0.12rem;
  resize: none;
}
.solution_form_pop .form_panel .form_row.full {
  grid-column: 1 / -1;
}
.solution_form_pop .form_panel button {
  grid-column: 1 / -1;
  width: 1.55rem;
  height: 0.6rem;
  margin: 0.12rem auto 0;
  border-radius: 0.08rem;
  background: #0069DB;
  font-size: 0.18rem;
  letter-spacing: 0;
  color: #FFFFFF;
  cursor: pointer;
}





@media screen and (max-width: 1042px) {
    body {
        padding-top: 90px;
        font-size: 14px;
    }
    .support_banner {
        height: auto;
        min-height: 0;
    }

    .support_banner > .main {
        height: auto;
        min-height: 420px;
        padding-top: 24px;
        padding-bottom: 42px;
    }

    .support_banner .banner_txt {
        width: 100%;
        max-width: none;
        margin-top: 28px;
    }

    .support_banner .banner_txt h2 {
        font-size: 24px;
        line-height: 1.3;
        max-width: 100%;
    }

    .support_banner .banner_txt h3,
    .support_banner .banner_txt p,
    .sol_title .class_txt,
    .resource_sec .resource_card p,
    .consult_service .service_card p,
    .why_sec .why_grid p {
        font-size: 14px;
        line-height: 1.5;
    }

    .support_banner .banner_txt .support_btn {
        position: static;
        margin-top: 24px;
        font-size: 14px;
    }

    .support_app,
    .param_sec,
    .brand_support,
    .resource_sec,
    .doc_cat_sec,
    .consult_service,
    .industry_sec,
    .why_sec,
    .cooling_sec,
    .fan_tech_sec,
    .guide_sec,
    .case_study_sec {
        padding: 42px 0 50px;
    }

    .support_app .app_item h3,
    .resource_sec .resource_card h3,
    .consult_service .service_card h3,
    .why_sec .why_grid h3,
    .case_study_sec .case_study_grid .case_tiem span,
    .industry_grid .grid_tiem span{
        font-size: 16px;
        line-height: 1.45;
    }

    .support_app .app_grid,
    .resource_sec .resource_grid,
    .doc_cat_sec .doc_grid,
    .consult_service .service_grid,
    .industry_grid,
    .guide_grid,
    .why_sec .why_grid,
    .cooling_sec .cooling_tabs,
    .fan_tech_sec .tech_list,
    .case_study_sec .case_study_grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .brand_support .brand_logo_grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .brand_support .brand_logo_grid .logo_item {
        width: 100%;
        height: auto;
        aspect-ratio: 2.4 / 1;
    }

    .brand_support .brand_logo_grid .logo_item img {
        width: 100%;
        height: 100%;
        object-fit: contain;
    }

    .support_app .app_item .app_img,
    .industry_grid .grid_tiem .industry_img,
    .guide_sec .guide_grid .grid_tiem .industry_img{
        height: auto;
        aspect-ratio: 16 / 9;
        padding-bottom: 0;
        overflow: hidden;
    }

    .support_app .app_item .app_img img,
    .industry_grid .grid_tiem .industry_img img,
    .guide_grid .grid_tiem .industry_img img {
        position: static;
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .param_sec .param_table td,.param_sec .param_table td:first-child {
        padding: 10px 12px;
        font-size: 14px;
        line-height: 1.5;
    }

    .resource_sec .resource_card,
    .consult_service .service_card,
    .case_study_sec .case_study_grid .case_tiem,
    .doc_cat_sec .doc_item,
    .cooling_sec .cooling_tabs .cooling_tiem,
    .fan_tech_sec .tech_list .tech_tiem {
        min-height: 0;
        padding: 18px;
        border-radius: 8px;
    }

    .bread_nav {
        padding-top: 0;
        margin-bottom: 18px;
        font-size: 12px;
        line-height: 1.5;
    }
    .support_banner .banner_txt .support_btn {
        min-height: 40px;
        padding: 9px 16px;
        border-radius: 6px;
    }

    .sol_title {
        margin-bottom: 24px;
    }

    .support_app .app_grid,
    .resource_sec .resource_grid,
    .doc_cat_sec .doc_grid,
    .consult_service .service_grid,
    .industry_grid,
    .guide_grid,
    .why_sec .why_grid,
    .cooling_sec .cooling_tabs,
    .fan_tech_sec .tech_list,
    .case_study_sec .case_study_grid {
        margin-top: 24px;
    }

    .support_app .app_item .app_img {
        margin: -18px -18px 14px;
        border-radius: 8px 8px 0 0;
    }

    .resource_sec .resource_card i,
    .consult_service .service_card i,
    .why_sec .why_grid i,
    .case_study_sec .case_study_grid .case_tiem i {
        width: 40px;
        height: 40px;
        margin-bottom: 14px;
        position: initial;
    }
    .resource_sec .resource_card i img{
      width: 56%;
      height: auto;
    }
    .doc_cat_sec .doc_item span {
        font-size: 14px;
        text-align: center;
    }

    .doc_cat_sec .doc_item a,
    .resource_sec .resource_card a,
    .consult_service .service_card a,
    .cooling_sec .cooling_tabs .cooling_tiem a,
    .fan_tech_sec .tech_list .tech_tiem a {
        min-height: 38px;
        padding: 8px 12px;
        border-radius: 6px;
        font-size: 14px;
        line-height: 1.45;
    }


    .brand_support .brand_logo_grid {
        margin-top: 24px;
    }
    .param_sec .param_table {
        border-radius: 8px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        max-width: 100%;
    }

    .cooling_sec .cooling_tabs .cooling_tiem,
    .fan_tech_sec .tech_list .tech_tiem {
        display: block;
    }

    .case_study_sec .case_study_grid .case_tiem {
        display: flex;
        align-items: center;
        column-gap: 14px;
    }

    .case_study_sec .case_study_grid .case_tiem i {
        margin: 0 auto 10px;
    }

    /* mobile polish */
      .support_banner > .main {
        min-height: 420px;
        padding-top: 30px;
      }
      .support_banner .banner_txt h3 {
        margin-top: 14px;
      }
      .support_banner .banner_txt p {
        margin-top: 16px;
      }
      .support_banner .banner_txt .support_btn {
        min-height: 44px;
        padding: 10px 18px;
        border-radius: 8px;
        font-size: 15px;
      }
      .support_app,
      .param_sec,
      .brand_support,
      .resource_sec,
      .doc_cat_sec,
      .consult_service,
      .industry_sec,
      .why_sec,
      .cooling_sec,
      .fan_tech_sec,
      .guide_sec,
      .case_study_sec {
        padding: 46px 0 54px;
      }
      .sol_title .class_name1 {
        font-size: 22px;
        line-height: 1.3;
      }
      .sol_title .class_txt {
        font-size: 14px;
        line-height: 1.5;
      }
      .support_app .app_grid,
      .industry_grid,
      .cooling_sec .cooling_tabs,
      .case_study_sec .case_study_grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px 12px;
      }
      .resource_sec .resource_grid,
      .consult_service .service_grid,
      .why_sec .why_grid {
        grid-template-columns: 1fr;
        gap: 16px;
      }
      .doc_cat_sec .doc_grid,
      .fan_tech_sec .tech_list,
      .guide_sec .guide_grid{
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
      }
      .support_app .app_item,
      .resource_sec .resource_card,
      .consult_service .service_card,
      .why_sec .why_grid .why_item,
      .cooling_sec .cooling_tabs .cooling_tiem,
      .fan_tech_sec .tech_list .tech_tiem,
      .case_study_sec .case_study_grid .case_tiem {
        background: #FFFFFF;
        border: 1px solid #EDF1F5;
        box-shadow: 0 8px 22px rgba(20, 46, 78, 0.06);
        border-radius: 8px;
        overflow: hidden;
        display: flex;
        flex-wrap: wrap;
        align-items: baseline;
        column-gap: 10px;
      }
      .doc_cat_sec .doc_item,
      .cooling_sec .cooling_tabs .cooling_tiem{
        height: auto;
      }
      .doc_cat_sec .doc_item i,
      .cooling_sec .cooling_tabs .cooling_tiem i{
        width: 40px;
        height: 40px;
        margin: 0 auto 10px;
      }
      .doc_cat_sec .doc_item i img{
        width: 55%;
        height: auto;
      }
      .cooling_sec .cooling_tabs .cooling_tiem span,
      .case_study_sec .case_study_grid .case_tiem span{
        font-size: 14px;
        text-align: center;
      }
      .support_app .app_item {
        padding: 12px;
      }
      .support_app .app_item .app_img {
        margin: 0 0 12px;
      }
      .support_app .app_item h3 {
        height: auto;
        margin-top: 12px;
      }
      .guide_sec .guide_grid .grid_tiem span{
        font-size: 14px;
        line-height: 1.4;
        margin-bottom: 10px;
      }
}

@media screen and (max-width: 480px) {
  .support_app .app_grid,
  .industry_grid {
    grid-template-columns: 1fr;
  }
}