html:not([lang="zh-CN"]) .copy-zh {
  display: none !important;
}
html[lang="zh-CN"] .copy-en {
  display: none !important;
}
html[lang="zh-CN"] .copy-zh {
  display: inline !important;
}
.copy-en,
.copy-zh {
  width: auto !important;
  height: auto !important;
  margin: 0 !important;
  padding: 0 !important;
  background: none !important;
  color: inherit !important;
  position: static !important;
  transform: none !important;
  letter-spacing: inherit;
}
.copy-en:before,
.copy-en:after,
.copy-zh:before,
.copy-zh:after {
  content: none !important;
  display: none !important;
}
.eyebrow > .copy-en,
.eyebrow > .copy-zh {
  flex: 0 1 auto;
  line-height: 1.45;
}
.nav a.active {
  color: var(--orange);
}
.products-more {
  display: flex;
  justify-content: center;
  margin-top: 38px;
}
.catalog-hero {
  background: #101923;
  color: #fff;
  padding: 110px 0 90px;
  position: relative;
  overflow: hidden;
}
.catalog-hero:after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
}
.catalog-hero .container {
  position: relative;
  z-index: 1;
}
.catalog-hero h1 {
  max-width: 900px;
  font-size: clamp(56px, 7vw, 92px);
}
.catalog-hero > div > p:not(.eyebrow) {
  max-width: 650px;
  color: #aeb7c0;
  line-height: 1.8;
}
.catalog-tabs {
  display: flex;
  gap: 12px;
  margin-top: 38px;
}
.catalog-tabs a {
  border: 1px solid #4c5661;
  padding: 13px 20px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.catalog-tabs a:hover {
  background: var(--orange);
  border-color: var(--orange);
}
.catalog-content {
  padding-top: 85px;
  padding-bottom: 95px;
}
.catalog-group {
  scroll-margin-top: 80px;
  margin-bottom: 90px;
}
.catalog-group-head {
  display: flex;
  align-items: end;
  gap: 18px;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 17px;
  margin-bottom: 28px;
}
.catalog-group-head > span {
  font: 700 50px/1 var(--display);
  color: var(--orange);
}
.catalog-group-head p {
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #77808a;
  margin: 0;
}
.catalog-group-head h2 {
  font-size: 38px;
  margin-top: 4px;
}
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.catalog-card {
  border: 1px solid #e0dfdb;
  background: #fff;
  transition: 0.25s;
}
.catalog-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(17, 25, 35, 0.1);
}
.catalog-photo {
  display: block;
  height: 260px;
  background: #eee;
  position: relative;
  overflow: hidden;
}
.catalog-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: 0.4s;
}
.catalog-card:hover img {
  transform: scale(1.035);
}
.catalog-photo > span {
  position: absolute;
  left: 0;
  bottom: 0;
  background: var(--orange);
  color: #fff;
  padding: 8px 11px;
  font-size: 8px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.catalog-card > div {
  padding: 24px;
}
.catalog-card p {
  font-size: 8px;
  color: var(--orange);
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.catalog-card h3 {
  font: 600 26px/1.05 var(--display);
  text-transform: uppercase;
  margin: 8px 0 22px;
  min-height: 54px;
}
.catalog-card > div > a {
  font-size: 10px;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.09em;
}
.catalog-card > div > a span {
  color: var(--orange);
  margin-left: 7px;
}
.product-detail-hero:before {
  background-image: linear-gradient(90deg, rgba(7, 13, 20, 0.94) 0%, rgba(7, 13, 20, 0.68) 48%, rgba(7, 13, 20, 0.18) 100%), var(--product-hero);
  background-position: center;
  background-size: cover;
}
.product-detail-hero h1 {
  max-width: 930px;
}
.actual-product-image {
  background-image: var(--overview-image);
  background-size: cover;
  background-position: center;
}
.overview-copy > p .copy-zh,
.overview-copy > p .copy-en {
  line-height: inherit;
}
.product-benefit-grid {
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 1fr;
}
.product-benefit-grid .benefit h3 {
  font-size: 16px;
}
.product-benefit-grid .benefit p {
  font-size: 11px;
}
.material-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}
.material-layout h2 {
  font-size: clamp(42px, 4.5vw, 61px);
}
.material-layout > div > p:not(.eyebrow) {
  color: #66707a;
  line-height: 1.85;
  font-size: 14px;
}
.application-panel {
  background: var(--paper);
  padding: 42px;
}
.dark-link {
  color: var(--ink);
  display: inline-block;
  margin-top: 20px;
}
.product-gallery {
  background: var(--paper);
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.gallery-grid-all {
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.gallery-item {
  border: 0;
  padding: 0;
  background: #ddd;
  height: 260px;
  overflow: hidden;
  cursor: zoom-in;
  position: relative;
}
.gallery-item:first-child {
  grid-column: span 2;
}
.gallery-grid-all .gallery-item,
.gallery-grid-all .gallery-item:first-child {
  grid-column: auto;
  height: 220px;
  background: #fff;
  border: 1px solid #e0dfda;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: 0.3s;
}
.gallery-grid-all .gallery-item img {
  object-fit: contain;
}
.gallery-index {
  position: absolute !important;
  left: 0 !important;
  bottom: 0 !important;
  width: auto !important;
  height: auto !important;
  padding: 7px 9px !important;
  background: rgba(17, 25, 35, 0.82) !important;
  color: #fff !important;
  font: 600 9px var(--body);
  letter-spacing: 0.1em;
}
.gallery-item:hover img {
  transform: scale(1.03);
}
.lightbox {
  position: fixed;
  z-index: 100;
  inset: 0;
  background: rgba(4, 8, 12, 0.92);
  display: grid;
  place-items: center;
  padding: 45px;
}
.lightbox[hidden] {
  display: none;
}
.lightbox img {
  max-width: 94vw;
  max-height: 88vh;
}
.lightbox button {
  position: absolute;
  right: 25px;
  top: 15px;
  color: #fff;
  border: 0;
  background: none;
  font-size: 42px;
  cursor: pointer;
}
.nav-lang,
.detail-lang {
  border: 1px solid #ddd;
  color: var(--ink);
  padding: 9px 12px;
}
.detail-nav .detail-lang {
  margin-left: 0;
}
.catalog-cta {
  margin-top: 0;
}
.catalog-hero {
  background: #101923 url("../img/hero-factory.jpg") center/cover no-repeat;
}
.catalog-hero:before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7, 13, 20, 0.94) 0%, rgba(7, 13, 20, 0.72) 48%, rgba(7, 13, 20, 0.28) 100%);
  pointer-events: none;
}
html[lang="zh-CN"] h1,
html[lang="zh-CN"] h2,
html[lang="zh-CN"] h3 {
  letter-spacing: 0;
  word-break: normal;
}
html[lang="zh-CN"] .overview-copy h2 {
  font-size: clamp(38px, 4vw, 52px);
  line-height: 1.03;
}
html[lang="zh-CN"] .benefits h2,
html[lang="zh-CN"] .material-layout h2,
html[lang="zh-CN"] .product-gallery h2,
html[lang="zh-CN"] .detail-cta h2 {
  font-size: clamp(38px, 4.4vw, 58px);
  line-height: 1.03;
}
html[lang="zh-CN"] .product-detail-hero h1 {
  font-size: clamp(46px, 5.5vw, 72px);
  line-height: 1.02;
}
@media (max-width: 900px) {
  .catalog-grid {
    grid-template-columns: 1fr 1fr;
  }
  .product-benefit-grid {
    grid-template-columns: 1fr 1fr;
  }
  .material-layout {
    gap: 35px;
  }
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
  }
  .gallery-grid-all {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 700px) {
  .catalog-hero {
    padding: 80px 0 65px;
  }
  .catalog-tabs {
    flex-wrap: wrap;
  }
  .catalog-content {
    padding-top: 65px;
  }
  .catalog-grid,
  .material-layout {
    grid-template-columns: 1fr;
  }
  .catalog-photo {
    height: 250px;
  }
  .product-benefit-grid {
    grid-template-columns: 1fr;
  }
  .gallery-grid,
  .gallery-grid-all {
    grid-template-columns: 1fr;
  }
  .gallery-item:first-child {
    grid-column: auto;
  }
  .gallery-item,
  .gallery-grid-all .gallery-item {
    height: 280px;
  }
  .detail-nav .detail-lang {
    display: block;
  }
  .lightbox {
    padding: 20px;
  }
}