:root {
  --dedeng-red: #05883a;
  --dedeng-red-dark: #046b2e;
  --dedeng-blue: #2f73df;
  --dedeng-ink: #202020;
  --dedeng-muted: #777;
  --dedeng-line: #e7e7e7;
  --dedeng-bg: #f5f5f5;
  --dedeng-container: 1400px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--dedeng-ink);
  background: #fff;
  font-family: Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}
body.is-menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }
ul, ol { margin: 0; padding: 0; list-style: none; }
figure, h1, h2, h3, h4, p, dl, dd { margin: 0; }

.dedeng-container {
  width: min(100%, calc(var(--dedeng-container) + 48px));
  margin-inline: auto;
  padding-inline: 24px;
}
.dedeng-section { padding: 38px 0; }
.dedeng-section--soft { background: var(--dedeng-bg); }
.dedeng-section-title { text-align: center; }
.dedeng-section-title h2 {
  color: #111;
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: .04em;
}
.dedeng-section-title h2::after {
  display: block;
  width: 38px;
  height: 3px;
  margin: 0 auto;
  background: var(--dedeng-red);
  content: "";
}
.dedeng-section-title p {
  max-width: 760px;
  margin: 16px auto 0;
  color: #888;
  font-size: 15px;
  line-height: 1.9;
}
.dedeng-button {
  display: inline-flex;
  min-width: 146px;
  height: 46px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--dedeng-red);
  background: var(--dedeng-red);
  color: #fff;
  font-size: 14px;
  transition: .25s ease;
}
.dedeng-button:hover { border-color: var(--dedeng-red-dark); background: var(--dedeng-red-dark); }
.dedeng-button--outline { background: transparent; color: var(--dedeng-red); }
.dedeng-button--outline:hover { color: #fff; }
.dedeng-empty {
  grid-column: 1 / -1;
  padding: 64px 24px;
  border: 1px dashed #d9d9d9;
  color: #999;
  text-align: center;
}

/* Header */
.site-topbar {
  height: 40px;
  background: #3f3f3f;
  color: rgba(255,255,255,.72);
  font-size: 13px;
}
.site-topbar .dedeng-container {
  display: flex;
  height: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.site-topbar strong { color: #fff; font-size: 18px; }
.site-header {
  position: relative;
  z-index: 60;
  border-bottom: 1px solid #efefef;
  background: #fff;
}
.site-header-main {
  display: flex;
  min-height: 96px;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
}
.site-logo { width: min(404px, 29vw); flex: 0 0 auto; }
.site-logo img { width: 100%; height: auto; }
.site-navigation {
  display: flex;
  min-width: 0;
  align-self: stretch;
  align-items: stretch;
  justify-content: flex-end;
}
.site-navigation > li { position: relative; display: flex; align-items: stretch; }
.site-navigation > li > a {
  position: relative;
  display: flex;
  padding: 0 clamp(12px, 1.25vw, 22px);
  align-items: center;
  justify-content: center;
  color: #222;
  font-size: 16px;
  white-space: nowrap;
  transition: color .2s;
}
.site-navigation > li > a::after {
  position: absolute;
  right: 50%;
  bottom: 0;
  left: 50%;
  height: 3px;
  background: var(--dedeng-red);
  content: "";
  transition: .25s ease;
}
.site-navigation > li:hover > a,
.site-navigation > li.is-active > a { color: var(--dedeng-red); }
.site-navigation > li:hover > a::after,
.site-navigation > li.is-active > a::after { right: 24%; left: 24%; }
.site-submenu {
  position: absolute;
  top: 100%;
  left: 50%;
  min-width: 176px;
  padding: 8px 0;
  border-top: 2px solid var(--dedeng-red);
  background: rgba(255,255,255,.98);
  box-shadow: 0 14px 35px rgba(0,0,0,.13);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 10px);
  transition: .2s ease;
}
.site-navigation > li:hover .site-submenu,
.site-navigation > li:focus-within .site-submenu {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}
.site-submenu a {
  display: block;
  padding: 12px 20px;
  color: #555;
  font-size: 14px;
  text-align: center;
  white-space: nowrap;
  transition: .2s;
}
.site-submenu a:hover { background: #f6f6f6; color: var(--dedeng-red); }
.header-search { position: relative; display: flex; align-items: center; }
.header-search-toggle {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 0;
  background: transparent;
  color: #222;
}
.header-search-toggle svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.header-search-panel {
  position: absolute;
  top: calc(100% + 27px);
  right: 0;
  display: flex;
  width: min(360px, calc(100vw - 32px));
  padding: 14px;
  border-top: 2px solid var(--dedeng-red);
  background: #fff;
  box-shadow: 0 15px 36px rgba(0,0,0,.16);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: .2s;
}
.header-search.is-open .header-search-panel { opacity: 1; pointer-events: auto; transform: none; }
.header-search-panel input {
  min-width: 0;
  height: 44px;
  flex: 1;
  padding: 0 14px;
  border: 1px solid #ddd;
  outline: 0;
}
.header-search-panel input:focus { border-color: var(--dedeng-red); }
.header-search-panel button {
  width: 76px;
  border: 0;
  background: var(--dedeng-red);
  color: #fff;
}
.mobile-header { display: none; }
.mobile-menu-backdrop { display: none; }

/* Hero */
.home-hero { position: relative; overflow: hidden; background: #eef3f8; }
.home-hero-track { position: relative; height: clamp(340px, 39.0625vw, 750px); }
.home-hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity .65s ease;
}
.home-hero-slide.is-active { opacity: 1; visibility: visible; }
.home-hero-slide img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.home-hero-dots {
  position: absolute;
  bottom: 26px;
  left: 50%;
  z-index: 2;
  display: flex;
  gap: 10px;
  transform: translateX(-50%);
}
.home-hero-dots button {
  width: 12px;
  height: 12px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255,255,255,.7);
  transition: background-color .25s;
}
.home-hero-dots button.is-active { background: var(--dedeng-red); }

/* Product center */
.home-products-section { background: #f3f3f3; }
.home-product-group + .home-product-group { margin-top: 54px; }
.home-product-group > .home-product-group__head {
  display: flex;
  min-height: 58px;
  align-items: stretch;
  justify-content: space-between;
  border-bottom: 2px solid var(--category-accent);
}
.home-product-group > .home-product-group__head h2 {
  display: flex;
  min-width: 240px;
  padding: 10px 28px;
  align-items: center;
  background: var(--dedeng-red);
  color: #fff;
  font-size: 21px;
  font-weight: 700;
}
.home-product-group > .home-product-group__head > a {
  display: flex;
  padding: 0 2px 10px 24px;
  align-items: flex-end;
  color: #666;
  font-size: 15px;
  transition: color .2s;
}
.home-product-group > .home-product-group__head > a:hover { color: var(--category-accent); }
.home-product-group > .home-product-group__head > a span { margin-left: 5px; font-size: 20px; line-height: .9; }
.home-product-grid {
  display: grid;
  margin-top: 24px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}
.home-product-card {
  display: block;
  padding: 0;
  overflow: hidden;
  border: 1px solid #ededed;
  background: #fff;
  box-shadow: 0 5px 20px rgba(26, 32, 44, .07);
  transition: border-color .28s ease, box-shadow .28s ease, transform .28s ease;
}
.home-product-card:hover {
  border-color: color-mix(in srgb, var(--category-accent) 45%, #ededed);
  box-shadow: 0 14px 32px rgba(26, 32, 44, .14);
  transform: translateY(-3px);
}
.home-product-card__image {
  margin: 0;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: #f7f7f7;
}
.home-product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.home-product-card:hover .home-product-card__image img { transform: scale(1.045); }
.home-product-card h3 {
  overflow: hidden;
  padding: 0;
  color: #555;
  font-size: 17px;
  font-weight: 400;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color .2s;
}
.home-product-card:hover h3 { color: var(--category-accent); }
.product-category-tabs {
  display: flex;
  margin-top: 36px;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}
.product-category-tabs a {
  min-width: 126px;
  padding: 12px 20px;
  border: 1px solid #ddd;
  background: #fff;
  color: #555;
  font-size: 14px;
  text-align: center;
  transition: .2s;
}
.product-category-tabs a:hover,
.product-category-tabs a.is-active { border-color: var(--dedeng-red); background: var(--dedeng-red); color: #fff; }
.product-grid {
  display: grid;
  margin-top: 36px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}
.product-card {
  display: block;
  overflow: hidden;
  border: 1px solid #e3e3e3;
  background: #fff;
  transition: .28s ease;
}
.product-card:hover {
  border-color: var(--dedeng-red);
  box-shadow: 0 14px 34px rgba(0,0,0,.1);
  transform: translateY(-4px);
}
.product-card__image {
  display: grid;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 1 / 1;
  place-items: center;
  background: #fafafa;
}
.product-card__image img {
  display: block;
  width: 100%;
  height: 100%;
  margin: auto;
  object-fit: contain;
  object-position: center;
  transition: transform .5s ease;
}
.product-card:hover .product-card__image img { transform: scale(1.045); }
.product-card h3 {
  overflow: hidden;
  padding: 19px 14px;
  color: #555;
  font-size: 16px;
  font-weight: 400;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color .2s;
}
.product-card:hover h3 { color: var(--dedeng-red); }

/* Applications */
.application-section {
  padding: 82px 0;
  background: #f4f4f4 url("/images/dedeng/bg1.jpg") center / cover no-repeat;
}
.application-layout {
  display: grid;
  margin-top: 42px;
  grid-template-columns: minmax(0, 1fr) 390px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 16px 45px rgba(0,0,0,.08);
}
.application-panels { position: relative; min-height: 505px; }
.application-panel { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .3s; }
.application-panel.is-active { opacity: 1; visibility: visible; }
.application-panel img { width: 100%; height: 100%; object-fit: cover; }
.application-copy {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 28px 34px;
  color: #fff;
  background: linear-gradient(transparent, rgba(0,0,0,.78));
}
.application-copy h3 { font-size: 26px; }
.application-copy p { max-width: 900px; margin-top: 10px; font-size: 14px; line-height: 1.8; }
.application-tabs { background: #222; }
.application-tab {
  display: block;
  width: 100%;
  min-height: 101px;
  padding: 18px 26px;
  border: 0;
  border-bottom: 1px solid rgba(255,255,255,.1);
  background: transparent;
  color: #fff;
  text-align: left;
  transition: .2s;
}
.application-tab span { display: block; font-size: 18px; }
.application-tab small { display: block; margin-top: 8px; color: rgba(255,255,255,.45); font-size: 12px; letter-spacing: .05em; }
.application-tab.is-active,
.application-tab:hover { padding-left: 34px; background: var(--dedeng-red); }

/* Partner strip */
.partner-strip { padding: 42px 0; background: #fff; }
.partner-carousel { overflow: hidden; }
.partner-track {
  display: flex;
  gap: 14px;
  will-change: transform;
  transition: transform .65s cubic-bezier(.22,.61,.36,1);
}
.partner-slide {
  display: grid;
  min-height: 94px;
  flex: 0 0 calc((100% - 56px) / 5);
  place-items: center;
  border: 1px solid #ececec;
  background: #fff;
}
.partner-slide img { width: 100%; max-height: 92px; object-fit: contain; }

/* Advantages */
.advantage-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
}
.advantage-heading h2 { max-width: 720px; font-size: clamp(28px, 3vw, 42px); font-weight: 700; line-height: 1.35; }
.advantage-heading p { color: #888; font-size: 16px; }
.advantage-list { display: flex; height: 500px; margin-top: 42px; gap: 10px; }
.advantage-item {
  position: relative;
  min-width: 0;
  flex: 1;
  overflow: hidden;
  background: #222;
  cursor: pointer;
  transition: flex .45s ease;
}
.advantage-item.is-active { flex: 2.25; }
.advantage-item img { width: 100%; height: 100%; object-fit: cover; opacity: .65; transition: .4s; }
.advantage-item.is-active img { opacity: .82; transform: scale(1.025); }
.advantage-item::after { position: absolute; inset: 0; background: linear-gradient(transparent 38%, rgba(0,0,0,.9)); content: ""; }
.advantage-number {
  position: absolute;
  top: 24px;
  left: 25px;
  z-index: 2;
  color: rgba(255,255,255,.72);
  font-size: 22px;
  font-weight: 700;
}
.advantage-copy { position: absolute; right: 24px; bottom: 28px; left: 24px; z-index: 2; color: #fff; }
.advantage-copy h3 { font-size: 25px; }
.advantage-copy h4 { margin-top: 7px; color: rgba(255,255,255,.68); font-size: 15px; font-weight: 400; }
.advantage-copy p {
  max-width: 620px;
  max-height: 0;
  margin-top: 0;
  overflow: hidden;
  color: rgba(255,255,255,.78);
  font-size: 14px;
  line-height: 1.8;
  opacity: 0;
  transition: .35s ease;
}
.advantage-item.is-active .advantage-copy p { max-height: 80px; margin-top: 14px; opacity: 1; }

/* Home advantages (rewrite) */
.home-advantages {
  position: relative;
  max-width: 960px;
  margin: 44px auto 0;
}
.home-advantages__image {
  display: block;
  width: 50%;
  margin: 0 auto;
}
.home-advantage { position: absolute; width: 40%; }
.home-advantage h3 {
  color: var(--dedeng-red);
  font-size: 24px;
  font-weight: 700;
}
.home-advantage p {
  margin-top: 10px;
  color: #000;
  font-size: 15px;
  line-height: 1.8;
}
.home-advantage--tl { top: 8%; left: -20%; text-align: right; }
.home-advantage--tr { top: 8%; right: -20%; }
.home-advantage--bl { bottom: 8%; left: -20%; text-align: right;}
.home-advantage--br { bottom: 8%; right: -20%; }

/* About / metrics / galleries */
.home-about {
  position: relative;
  padding: 92px 0 150px;
  background: #111 url("/images/dedeng/bg2.jpg") center / cover no-repeat;
  color: #fff;
}
.home-about .dedeng-container { position: relative; text-align: center; }
.home-about h2 { font-size: clamp(28px,3vw,42px); font-weight: 700; }
.home-about .home-about__text {
  max-width: 1040px;
  margin: 26px auto 0;
  color: #fff;
  font-size: 15px;
  line-height: 2;
  text-align: center;
  white-space: pre-line;
}
.home-about .home-about__text p {
  display: block;
  max-width: none;
  margin: 0;
  overflow: visible;
  color: #fff;
  font-size: inherit;
  line-height: inherit;
  text-align: center;
  white-space: inherit;
  -webkit-line-clamp: unset;
}
.home-about .home-about__text p + p { margin-top: 12px; }
.home-about .dedeng-button { margin-top: 28px; }
.metric-strip {
  position: relative;
  z-index: 2;
  margin-top: -100px;
  padding-bottom: 38px;
  background: linear-gradient(to bottom, transparent 100px, var(--dedeng-bg) 100px);
}
.metric-list {
  display: grid;
  padding: 28px 24px;
  grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 18px 36px rgba(0,0,0,.14);
}
.metric-list li {
  padding: 10px 20px;
  border-right: 1px solid #e8e8e8;
  color: #333;
  text-align: center;
}
.metric-list li:last-child { border-right: 0; }
.metric-list strong { display: inline-block; color: var(--dedeng-red); font-size: clamp(36px,4vw,56px); font-variant-numeric: tabular-nums; line-height: 1; }
.metric-list em {
  display: inline-grid;
  width: 27px;
  height: 27px;
  margin-left: 3px;
  place-items: center;
  border-radius: 50%;
  background: #333;
  color: #fff;
  font-size: 12px;
  font-style: normal;
  vertical-align: top;
}
.metric-list span { display: block; margin-top: 12px; color: #444; font-size: 14px; }
.showcase-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
}
.showcase-head h2 { font-size: clamp(28px,3vw,40px); }
.showcase-tabs { display: flex; gap: 8px; }
.showcase-tab {
  min-width: 116px;
  padding: 11px 18px;
  border: 1px solid #ddd;
  background: #fff;
  color: #666;
}
.showcase-tab.is-active { border-color: var(--dedeng-red); background: var(--dedeng-red); color: #fff; }
.showcase-panel { display: none; margin-top: 32px; }
.showcase-panel.is-active { display: block; }
.showcase-layout {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 22px;
}
.showcase-carousel-wrap { display: flex; align-items: center; gap: 14px; }
.showcase-carousel { position: relative; flex: 1; min-width: 0; overflow: hidden; }
.showcase-arrow {
  flex: none;
  display: flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(0, 0, 0, .16);
  border-radius: 50%;
  color: var(--dedeng-red);
  background: #fff;
  box-shadow: 0 3px 10px rgba(0, 0, 0, .1);
  cursor: pointer;
  transition: background-color .2s ease, border-color .2s ease, color .2s ease;
}
.showcase-arrow:hover { border-color: var(--dedeng-red); background: var(--dedeng-red); color: #fff; }
.showcase-arrow svg { display: block; width: 32px; height: 32px; }
.showcase-arrow--next svg { transform: rotate(180deg); }   /* 右箭头镜像 */
.showcase-layout.is-carousel {
  display: flex;
  gap: 22px;
  will-change: transform;
  transition: transform .65s cubic-bezier(.22,.61,.36,1);
}
.showcase-layout.is-carousel .showcase-card { flex: 0 0 calc((100% - 66px) / 4); }
.showcase-card { overflow: hidden; border: 1px solid #e5e5e5; background: #fff; }
.showcase-card img { width: 100%; aspect-ratio: 300 / 260; object-fit: cover; transition: .4s; }
.showcase-card:hover img { transform: scale(1.04); }
.showcase-card figcaption { padding: 14px; color: #666; font-size: 14px; text-align: center; }
.showcase-card--certificate img { aspect-ratio: .71; object-fit: contain; background: #f7f7f7; }

/* News */
.home-news-layout {
  display: grid;
  margin-top: 40px;
  grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
  gap: 32px;
}
.home-news-feature { display: block; overflow: hidden; border: 1px solid #e5e5e5; background: #fff; }
.home-news-feature img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.home-news-feature__copy { padding: 25px; }
.home-news-feature time, .home-news-item time { color: #aaa; font-size: 13px; }
.home-news-feature h3 { margin-top: 11px; font-size: 22px; line-height: 1.45; }
.home-news-feature p { margin-top: 11px; color: #777; font-size: 14px; line-height: 1.8; }
.home-news-list { border-top: 1px solid #ddd; }
.home-news-item {
  display: grid;
  min-height: 132px;
  padding: 22px 8px;
  grid-template-columns: 92px 1fr;
  align-items: center;
  border-bottom: 1px solid #ddd;
  transition: .2s;
}
.home-news-item:hover { padding-inline: 18px; background: #fff; }
.home-news-date { text-align: center; }
.home-news-date strong { display: block; color: #333; font-size: 40px; font-weight: 400; line-height: 1; }
.home-news-date span { display: block; margin-top: 8px; color: #aaa; font-size: 12px; }
.home-news-item h3 { font-size: 18px; transition: color .2s; }
.home-news-item p { margin-top: 8px; color: #888; font-size: 13px; line-height: 1.7; }
.home-news-item:hover h3 { color: var(--dedeng-red); }

/* Inner page common */
.page-banner { position: relative; height: 300px; overflow: hidden; }
.page-banner img { width: 100%; height: 100%; object-fit: cover; }
.page-banner::before, .page-banner::after { pointer-events: none; }
.page-banner::after { position: absolute; inset: 0; content: ""; pointer-events: none; }
.page-subnav { border-bottom: 1px solid #e8e8e8; background: #fff; }
.page-subnav .dedeng-container { display: flex; min-height: 66px; align-items: center; justify-content: space-between; gap: 24px; }
.page-subnav__links { display: flex; min-width: 0; overflow-x: auto; }
.page-subnav__links a { position: relative; display: flex; min-height: 66px; padding: 0 24px; align-items: center; color: #555; font-size: 14px; white-space: nowrap; }
.page-subnav__links a::after { position: absolute; right: 50%; bottom: 0; left: 50%; height: 2px; background: var(--dedeng-red); content: ""; transition: .2s; }
.page-subnav__links a:hover,
.page-subnav__links a.is-active { color: var(--dedeng-red); }
.page-subnav__links a:hover::after,
.page-subnav__links a.is-active::after { right: 22px; left: 22px; }
.breadcrumbs { color: #999; font-size: 13px; white-space: nowrap; }
.breadcrumbs a:hover { color: var(--dedeng-red); }
.inner-section { padding: 66px 0 82px; }
.inner-heading { margin-bottom: 34px; text-align: center; }
.inner-heading h2 { font-size: clamp(26px,3vw,38px); font-weight: 700; }
.inner-heading p { max-width: 760px; margin: 14px auto 0; color: #888; font-size: 14px; line-height: 1.9; }
.rich-content { color: #555; font-size: 15px; line-height: 2; }
.rich-content p + p { margin-top: 18px; }
.rich-content h2, .rich-content h3 { margin: 28px 0 12px; color: #222; line-height: 1.45; }
.rich-content h2 { font-size: 25px; }
.rich-content h3 { font-size: 20px; }
.rich-content ul { margin: 14px 0; padding-left: 22px; list-style: disc; }
.rich-content ol { margin: 14px 0; padding-left: 22px; list-style: decimal; }
.rich-content img { height: auto; margin: 22px auto; }
.inner-page-title {
  display: flex;
  margin-bottom: 30px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.inner-page-title h1, .inner-page-title h2 { font-size: clamp(26px,3vw,38px); font-weight: 700; }
.inner-page-title p { max-width: 680px; color: #888; font-size: 14px; line-height: 1.8; }

/* About */
.about-intro {
  display: grid;
  grid-template-columns: minmax(0,1.15fr) minmax(360px,.85fr);
  align-items: center;
  gap: 64px;
}
.about-intro__image { position: relative; }
.about-intro__image::before {
  position: absolute;
  top: -18px;
  right: -18px;
  width: 44%;
  height: 44%;
  border-top: 4px solid var(--dedeng-red);
  border-right: 4px solid var(--dedeng-red);
  content: "";
}
.about-intro__image img { position: relative; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.about-intro__copy > span { color: var(--dedeng-red); font-size: 13px; font-weight: 700; letter-spacing: .2em; }
.about-intro__copy h2 { margin-top: 13px; font-size: clamp(28px,3vw,40px); }
.about-intro__copy .rich-content { margin-top: 24px; }
.culture-grid { display: grid; margin-top: 36px; grid-template-columns: repeat(4,1fr); gap: 18px; }
.culture-card {
  min-height: 265px;
  padding: 36px 26px;
  border-top: 3px solid transparent;
  background: #fff;
  box-shadow: 0 8px 28px rgba(0,0,0,.06);
  text-align: center;
  transition: .25s;
}
.culture-card:hover { border-color: var(--dedeng-red); transform: translateY(-5px); }
.culture-card__number { color: #ddd; font-size: 38px; font-weight: 700; }
.culture-card h3 { margin-top: 22px; color: #333; font-size: 21px; }
.culture-card p { margin-top: 13px; color: #777; font-size: 14px; line-height: 1.8; white-space: pre-line; }
.about-culture { background: #242424; color: #fff; }
.about-culture__heading { text-align: center; }
.about-culture__heading > span {
  color: rgba(255,255,255,.38);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .24em;
}
.about-culture__heading h2 {
  position: relative;
  padding-bottom: 18px;
  margin-top: 10px;
  color: #fff;
  font-size: clamp(28px,3vw,40px);
  font-weight: 700;
}
.about-culture__heading h2::after {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 42px;
  height: 3px;
  background: var(--dedeng-red);
  content: "";
  transform: translateX(-50%);
}
.about-culture__description {
  max-width: 1050px;
  margin: 30px auto 0;
  color: rgba(255,255,255,.68);
  font-size: 16px;
  line-height: 2.05;
  text-align: center;
}
.certificate-grid { display: grid; margin-top: 32px; grid-template-columns: repeat(4,1fr); gap: 22px; }
.certificate-grid .showcase-card img { aspect-ratio: .71; object-fit: contain; background: #f6f6f6; }

/* Product listing & detail */
.listing-layout { display: grid; grid-template-columns: 230px minmax(0,1fr); gap: 42px; }
.listing-sidebar { align-self: start; border-top: 3px solid var(--dedeng-red); background: #f5f5f5; }
.listing-sidebar h3 { padding: 20px; background: #222; color: #fff; font-size: 19px; }
.listing-sidebar a { display: block; padding: 15px 20px; border-bottom: 1px solid #e3e3e3; color: #555; font-size: 14px; transition: .2s; }
.listing-sidebar a:hover,
.listing-sidebar a.is-active { padding-left: 27px; background: var(--dedeng-red); color: #fff; }
.listing-main .product-grid { margin-top: 0; grid-template-columns: repeat(3, minmax(0,1fr)); }
.listing-toolbar {
  display: flex;
  margin-bottom: 26px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.listing-toolbar h1 { font-size: 30px; }
.listing-search { display: flex; width: min(360px, 100%); }
.listing-search input { min-width: 0; height: 42px; flex: 1; padding: 0 13px; border: 1px solid #ddd; outline: 0; }
.listing-search input:focus { border-color: var(--dedeng-red); }
.listing-search button { width: 72px; border: 0; background: var(--dedeng-red); color: #fff; }
.pagination { display: flex; margin-top: 38px; flex-wrap: wrap; justify-content: center; gap: 7px; }
.pagination a, .pagination span {
  display: grid;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  place-items: center;
  border: 1px solid #ddd;
  color: #666;
  font-size: 13px;
}
.pagination a:hover, .pagination .is-active { border-color: var(--dedeng-red); background: var(--dedeng-red); color: #fff; }
.product-detail-top { display: grid; grid-template-columns: minmax(0,.82fr) minmax(400px,1fr); align-items: start; gap: 58px; }
.product-detail-image { overflow: hidden; width: min(100%, 520px); justify-self: center; border: 1px solid #e5e5e5; background: #fafafa; }
.product-detail-image img { width: 100%; aspect-ratio: 1; object-fit: contain; }
.product-detail-copy { padding-top: 18px; }
.product-detail-copy h1 { font-size: clamp(28px,3vw,42px); line-height: 1.35; }
.product-detail-model { margin-top: 13px; color: #999; font-size: 14px; }
.product-detail-summary { margin-top: 24px; padding-top: 22px; border-top: 1px solid #e5e5e5; color: #666; font-size: 15px; line-height: 1.9; }
.product-detail-meta { margin-top: 24px; color: #777; font-size: 14px; line-height: 2; }
.product-detail-hotline { margin-top: 24px; padding: 18px 22px; border-left: 4px solid var(--dedeng-red); background: #f5f5f5; }
.product-detail-hotline span { display: block; color: #999; font-size: 12px; }
.product-detail-hotline strong { display: block; margin-top: 5px; color: var(--dedeng-red); font-size: 25px; }
.product-detail-actions { display: flex; margin-top: 25px; gap: 12px; }
.product-detail-body { margin-top: 60px; }
.product-detail-body > h2 { padding: 17px 23px; border-bottom: 2px solid var(--dedeng-red); background: #f5f5f5; font-size: 20px; }
.product-detail-body .rich-content { padding: 32px 0; }

/* News */
.news-list { border-top: 1px solid #e4e4e4; }
.news-list-item a {
  display: grid;
  padding: 30px 10px;
  grid-template-columns: 112px minmax(0,1fr) auto;
  align-items: center;
  gap: 28px;
  border-bottom: 1px solid #e4e4e4;
  transition: .22s;
}
.news-list-item a:hover { padding-inline: 24px; background: #f8f8f8; }
.news-list-date { text-align: center; }
.news-list-date strong { display: block; font-size: 42px; font-weight: 400; line-height: 1; }
.news-list-date span { display: block; margin-top: 8px; color: #aaa; font-size: 12px; }
.news-list-copy h2 { font-size: 20px; transition: color .2s; }
.news-list-copy p { margin-top: 10px; color: #777; font-size: 14px; line-height: 1.8; }
.news-list-more { color: #999; font-size: 13px; white-space: nowrap; }
.news-list-item a:hover h2, .news-list-item a:hover .news-list-more { color: var(--dedeng-red); }
.news-detail { max-width: 1000px; margin-inline: auto; }
.news-detail-header { padding-bottom: 26px; border-bottom: 1px solid #e5e5e5; text-align: center; }
.news-detail-header h1 { font-size: clamp(27px,3.4vw,40px); line-height: 1.45; }
.news-detail-meta { display: flex; margin-top: 15px; justify-content: center; gap: 24px; color: #999; font-size: 13px; }
.news-detail .rich-content { padding: 34px 0; }
.detail-pager { display: grid; margin-top: 24px; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; border-top: 1px solid #e5e5e5; padding-top: 25px; }
.detail-pager a, .detail-pager span { min-width: 0; color: #666; font-size: 14px; line-height: 1.7; }
.detail-pager__previous { grid-column: 1; text-align: left; }
.detail-pager__next { grid-column: 2; text-align: right; }
.detail-pager a:hover { color: var(--dedeng-red); }

/* Process, gallery and equipment */
.process-list { position: relative; max-width: 1100px; margin: 0 auto; }
.process-list::before { position: absolute; top: 0; bottom: 0; left: 50%; width: 1px; background: #ddd; content: ""; }
.process-step { position: relative; display: grid; margin-bottom: 54px; grid-template-columns: 1fr 1fr; gap: 78px; }
.process-step:last-child { margin-bottom: 0; }
.process-step::before {
  position: absolute;
  top: 24px;
  left: 50%;
  z-index: 2;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 4px solid #fff;
  border-radius: 50%;
  background: var(--dedeng-red);
  color: #fff;
  font-size: 12px;
  content: attr(data-step);
  transform: translateX(-50%);
}
.process-step__image img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.process-step__copy { align-self: center; }
.process-step__copy h3 { font-size: 24px; }
.process-step__copy p { margin-top: 14px; color: #777; font-size: 14px; line-height: 1.9; }
.process-step:nth-child(even) .process-step__image { grid-column: 2; }
.process-step:nth-child(even) .process-step__copy { grid-row: 1; text-align: right; }
.gallery-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.gallery-item { overflow: hidden; border: 1px solid #e5e5e5; background: #fff; }
.gallery-item img { width: 100%; aspect-ratio: 4/3; object-fit: cover; transition: .45s; }
.gallery-item:hover img { transform: scale(1.04); }
.gallery-item figcaption { padding: 18px; text-align: center; }
.gallery-item h3 { font-size: 17px; }
.gallery-item p { margin-top: 7px; color: #888; font-size: 13px; line-height: 1.7; }
.equipment-categories { display: flex; margin-bottom: 32px; flex-wrap: wrap; justify-content: center; gap: 8px; }
.equipment-categories a { min-width: 128px; padding: 12px 22px; border: 1px solid #ddd; color: #666; text-align: center; }
.equipment-categories a:hover, .equipment-categories a.is-active { border-color: var(--dedeng-red); background: var(--dedeng-red); color: #fff; }
.equipment-table-wrap { overflow-x: auto; border: 1px solid #e4e4e4; }
.equipment-table { width: 100%; min-width: 680px; border-collapse: collapse; font-size: 14px; text-align: center; }
.equipment-table th { padding: 15px 20px; background: #252525; color: #fff; font-weight: 500; }
.equipment-table td { padding: 14px 20px; border: 1px solid #e5e5e5; color: #666; }
.equipment-table tr:nth-child(even) td { background: #f7f7f7; }
.equipment-gallery { margin-top: 38px; }

/* Contact and job */
.contact-overview { display: grid; grid-template-columns: minmax(0,.9fr) minmax(0,1.1fr); gap: 40px; }
.contact-info {
  min-height: 500px;
  padding: 42px;
  background: #f5f5f5 url("/images/dedeng/lianxi_bg.png") right bottom / 45% auto no-repeat;
}
.contact-info > span { color: var(--dedeng-red); font-size: 13px; font-weight: 700; letter-spacing: .18em; }
.contact-info h2 { margin-top: 11px; font-size: 30px; }
.contact-info-list { margin-top: 30px; }
.contact-info-list li { display: grid; padding: 16px 0; grid-template-columns: 32px 1fr; align-items: center; border-bottom: 1px solid #ddd; color: #555; font-size: 14px; }
.contact-info-list img { max-width: 20px; max-height: 20px; }
.contact-qr { display: flex; margin-top: 28px; align-items: center; gap: 18px; }
.contact-qr img { width: 120px; height: 120px; background: #fff; object-fit: cover; padding: 4px; }
.contact-qr p { color: #777; font-size: 13px; line-height: 1.8; }
.contact-map {
  display: flex;
  flex-direction: column;
  position: relative;
  min-height: 420px;
  overflow: hidden;
  border: 1px solid #e2e2e2;
  background: #f5f5f5;
}
.contact-map__canvas { width: 100%; min-height: 320px; flex: 1 1 auto; }
.contact-map__fallback {
  display: grid;
  height: 100%;
  margin: 0;
  place-items: center;
  padding: 30px;
  color: #888;
  font-size: 14px;
  text-align: center;
}
.contact-map figcaption {
  padding: 13px 18px;
  border-top: 1px solid #e2e2e2;
  background: #fff;
  color: #666;
  font-size: 13px;
  line-height: 1.6;
  text-align: center;
}
.contact-form { padding: 42px; border: 1px solid #e2e2e2; background: #fff; }
.contact-form--wide { margin-top: 40px; padding-inline: clamp(28px, 5vw, 72px); }
.contact-form h2 { font-size: 30px; }
.contact-form > p { margin-top: 9px; color: #888; font-size: 14px; }
.form-grid { display: grid; margin-top: 27px; grid-template-columns: repeat(2,1fr); gap: 16px; }
.form-field { display: block; }
.form-field--full { grid-column: 1 / -1; }
.form-field span { display: block; margin-bottom: 8px; color: #666; font-size: 13px; }
.form-field input, .form-field textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid #ddd;
  background: #fff;
  outline: 0;
  transition: border-color .2s;
}
.form-field textarea { min-height: 140px; resize: vertical; }
.form-field input:focus, .form-field textarea:focus { border-color: var(--dedeng-red); }
.form-notice { margin: 0 0 20px; padding: 12px 16px; border: 1px solid #b9e4c9; background: #edf9f1; color: #20723d; font-size: 13px; }
.form-notice.is-error { border-color: #f2bcbc; background: #fff1f1; color: #a22; }
.contact-form .dedeng-button { margin-top: 20px; }
.job-list { border-top: 1px solid #ddd; }
.job-item { border-bottom: 1px solid #ddd; }
.job-item summary {
  display: grid;
  padding: 24px 18px;
  grid-template-columns: minmax(0,1.2fr) minmax(0,2fr) 90px 32px;
  align-items: center;
  gap: 20px;
  cursor: pointer;
  list-style: none;
}
.job-item summary::-webkit-details-marker { display: none; }
.job-item summary h3 { font-size: 19px; }
.job-item summary span { color: #777; font-size: 14px; }
.job-item summary b { text-align: center; }
.job-item summary i { color: var(--dedeng-red); font-size: 24px; font-style: normal; transition: transform .2s; }
.job-item[open] summary i { transform: rotate(45deg); }
.job-content { padding: 0 18px 26px; color: #666; font-size: 14px; line-height: 1.9; }

/* Footer */
.site-footer { padding: 50px 0 0; background: #101010; color: #fff; }
.dedeng-footer-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr 1.35fr 1fr;
  gap: 44px;
  padding-bottom: 40px;
}
.dedeng-footer-col h3 {
  position: relative;
  padding-bottom: 13px;
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
}
.dedeng-footer-col h3::after {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 36px;
  height: 2px;
  background: var(--dedeng-red);
  content: "";
}
.dedeng-footer-contact { margin-top: 19px; }
.dedeng-footer-contact li {
  display: flex;
  margin-top: 9px;
  gap: 10px;
  color: rgba(255,255,255,.58);
  font-size: 14px;
  line-height: 1.7;
}
.dedeng-footer-contact li > svg { flex: none; width: 16px; height: 16px; margin-top: 3px; color: var(--dedeng-red); }
.dedeng-footer-contact li > span { flex: none; color: rgba(255,255,255,.4); }
.dedeng-footer-contact a { color: inherit; transition: color .2s; }
.dedeng-footer-contact a:hover { color: #fff; }
.dedeng-footer-nav { display: grid; margin-top: 19px; gap: 10px; }
.dedeng-footer-nav a { color: rgba(255,255,255,.58); font-size: 14px; transition: color .2s, padding-left .2s; }
.dedeng-footer-nav a:hover { padding-left: 5px; color: var(--dedeng-red); }
.dedeng-footer-message { display: grid; margin-top: 19px; gap: 10px; }
.dedeng-footer-message .footer-message-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.dedeng-footer-message input,
.dedeng-footer-message textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 4px;
  background: rgba(255,255,255,.07);
  color: #fff;
  outline: 0;
  font-size: 13px;
  transition: border-color .2s;
}
.dedeng-footer-message input::placeholder,
.dedeng-footer-message textarea::placeholder { color: rgba(255,255,255,.36); }
.dedeng-footer-message input:focus,
.dedeng-footer-message textarea:focus { border-color: var(--dedeng-red); }
.dedeng-footer-message textarea { min-height: 76px; resize: vertical; }
.dedeng-footer-message button {
  height: 42px;
  border: 0;
  border-radius: 4px;
  background: var(--dedeng-red);
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  transition: background .2s;
}
.dedeng-footer-message button:hover { background: var(--dedeng-red-dark); }
.dedeng-footer-wechat { margin-top: 19px; text-align: center; }
.dedeng-footer-wechat img { width: 148px; height: 148px; padding: 5px; background: #fff; object-fit: cover; }
.dedeng-footer-wechat figcaption { margin-top: 10px; color: rgba(255,255,255,.38); font-size: 12px; }
.dedeng-footer-bottom {
  display: block;
  padding: 20px 2px 34px;
  border-top: 1px solid rgba(255,255,255,.1);
  color: rgba(255,255,255,.34);
  font-size: 12px;
  line-height: 1.8;
  text-align: center;
}
.floating-actions {
  position: fixed;
  right: 22px;
  bottom: 95px;
  z-index: 45;
  display: grid;
  gap: 9px;
}
.floating-action { position: relative; }
.floating-action > a, .floating-action > button {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: var(--dedeng-red);
  color: #fff;
  box-shadow: 0 5px 18px rgba(0,0,0,.2);
  font-size: 18px;
  transition: .2s;
}
.floating-action svg { width: 24px; height: 24px; }
.floating-action:nth-child(3) svg { width: 25px; height: 25px; }
.floating-action > a:hover, .floating-action > button:hover { background: var(--dedeng-red-dark); transform: translateY(-2px); }
.floating-popover {
  position: absolute;
  top: 50%;
  right: calc(100% + 12px);
  min-width: 190px;
  padding: 14px 17px;
  border: 1px solid #e5e5e5;
  background: #fff;
  color: #555;
  box-shadow: 0 10px 30px rgba(0,0,0,.14);
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-50%);
  transition: .2s;
}
.floating-popover img { width: 130px; height: 130px; margin: auto; object-fit: cover; }
.floating-action:hover .floating-popover,
.floating-action:focus-within .floating-popover { opacity: 1; pointer-events: auto; }

@media (max-width: 1260px) {
  .site-logo { width: 300px; }
  .site-navigation > li > a { padding-inline: 10px; font-size: 14px; }
}

@media (max-width: 1099px) {
  .desktop-header { display: none; }
  .mobile-header { display: block; }
  .dedeng-footer-grid { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 34px; }
  .mobile-header-bar {
    display: flex;
    height: 76px;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
  }
  .mobile-logo { width: min(280px, calc(100vw - 130px)); }
  .mobile-header-actions { display: flex; gap: 8px; }
  .mobile-icon-button {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border: 1px solid #e5e5e5;
    background: #fff;
    color: #222;
  }
  .mobile-icon-button svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.8; }
  .mobile-menu {
    position: fixed;
    top: 76px;
    right: 0;
    bottom: 0;
    z-index: 80;
    width: min(390px, 88vw);
    padding: 20px 24px 40px;
    overflow-y: auto;
    background: #fff;
    box-shadow: -20px 0 45px rgba(0,0,0,.18);
    transform: translateX(105%);
    transition: transform .28s ease;
  }
  .mobile-menu.is-open { transform: translateX(0); }
  .mobile-menu-backdrop {
    position: fixed;
    inset: 76px 0 0;
    z-index: 75;
    display: block;
    border: 0;
    background: rgba(0,0,0,.42);
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s;
  }
  .mobile-menu-backdrop.is-open { opacity: 1; pointer-events: auto; }
  .mobile-search { display: flex; margin-bottom: 14px; }
  .mobile-search input { min-width: 0; height: 44px; flex: 1; padding: 0 13px; border: 1px solid #ddd; outline: 0; }
  .mobile-search button { width: 68px; border: 0; background: var(--dedeng-red); color: #fff; }
  .mobile-navigation > li { border-bottom: 1px solid #eee; }
  .mobile-navigation > li > a { display: block; padding: 16px 4px; font-size: 16px; font-weight: 600; }
  .mobile-navigation > li.is-active > a { color: var(--dedeng-red); }
  .mobile-submenu { padding: 0 0 12px 15px; }
  .mobile-submenu a { display: block; padding: 9px 5px; color: #777; font-size: 14px; }
  .application-layout { grid-template-columns: minmax(0,1fr) 300px; }
  .home-product-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .product-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .partner-slide { flex-basis: calc((100% - 42px) / 4); }
  .culture-grid { grid-template-columns: repeat(2,1fr); }
  .about-intro { grid-template-columns: 1fr 1fr; gap: 38px; }
  .listing-main .product-grid { grid-template-columns: repeat(2,1fr); }
  .dedeng-footer-message .footer-message-row { grid-template-columns: 1fr; }
}

@media (max-width: 767px) {
  .dedeng-container { padding-inline: 16px; }
  .dedeng-section, .inner-section { padding: 56px 0; }
  .home-hero-track { height: 42vw; min-height: 230px; }
  .home-hero-dots { bottom: 15px; }
  .home-hero-dots button { width: 10px; height: 10px; }
  .home-hero-dots button.is-active { width: 10px; height: 10px; }
  .home-product-group + .home-product-group { margin-top: 40px; }
  .home-product-group > .home-product-group__head { min-height: 48px; }
  .home-product-group > .home-product-group__head h2 { min-width: 0; padding: 9px 18px; font-size: 17px; }
  .home-product-group > .home-product-group__head > a { padding: 0 2px 8px 15px; font-size: 13px; }
  .home-product-grid { margin-top: 16px; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; }
  .home-product-card__image { margin: 0; }
  .home-product-card h3 { padding: 0; font-size: 14px; }
  .product-category-tabs { margin-top: 28px; flex-wrap: nowrap; justify-content: flex-start; overflow-x: auto; }
  .product-category-tabs a { min-width: 116px; padding-inline: 15px; }
  .product-grid { margin-top: 26px; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; }
  .product-card h3 { padding: 14px 8px; font-size: 14px; }
  .application-section { padding: 56px 0; }
  .application-layout { display: flex; margin-top: 30px; flex-direction: column; }
  .application-panels { min-height: 370px; }
  .application-tabs { display: grid; grid-template-columns: repeat(2,1fr); }
  .application-tab { min-height: auto; padding: 15px; border-right: 1px solid rgba(255,255,255,.1); }
  .application-tab.is-active, .application-tab:hover { padding-left: 15px; }
  .application-tab span { font-size: 15px; }
  .application-copy { padding: 20px; }
  .application-copy h3 { font-size: 21px; }
  .application-copy p { display: -webkit-box; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
  .partner-slide { min-height: 82px; flex-basis: calc((100% - 14px) / 2); }
  .advantage-heading { align-items: flex-start; flex-direction: column; }
  .advantage-list { height: auto; flex-direction: column; }
  .advantage-item, .advantage-item.is-active { height: 260px; flex: none; }
  .advantage-copy p { max-height: 80px; margin-top: 12px; opacity: 1; }
  .home-about { padding: 62px 0 112px; }
  .home-about .home-about__text { font-size: 14px; line-height: 1.9; }
  .metric-strip {
    margin-top: -76px;
    padding-bottom: 28px;
    background: linear-gradient(to bottom, transparent 76px, var(--dedeng-bg) 76px);
  }
  .metric-list { padding: 16px 14px; grid-template-columns: repeat(2,1fr); border-radius: 34px; }
  .metric-list li { padding: 15px 8px; }
  .metric-list li:nth-child(2) { border-right: 0; }
  .metric-list li:nth-child(-n+2) { border-bottom: 1px solid #e8e8e8; }
  .metric-list strong { font-size: 34px; }
  .metric-list em { width: 23px; height: 23px; font-size: 10px; }
  .showcase-head { align-items: flex-start; flex-direction: column; }
  .showcase-tabs { width: 100%; }
  .showcase-tab { flex: 1; }
  .showcase-layout { grid-template-columns: repeat(2,1fr); gap: 12px; }
  .showcase-layout.is-carousel { gap: 12px; }
  .showcase-layout.is-carousel .showcase-card { flex-basis: calc((100% - 12px) / 2); }
  .home-news-layout { grid-template-columns: 1fr; }
  .home-news-feature h3 { font-size: 19px; }
  .home-news-item { grid-template-columns: 72px 1fr; gap: 16px; }
  .home-news-date strong { font-size: 34px; }
  .page-banner { height: 190px; }
  .page-subnav .dedeng-container { align-items: flex-start; flex-direction: column; gap: 0; }
  .page-subnav__links { width: 100%; }
  .page-subnav__links a { min-height: 54px; padding: 0 16px; }
  .breadcrumbs { width: 100%; padding: 13px 0; border-top: 1px solid #eee; white-space: normal; }
  .inner-page-title { align-items: flex-start; flex-direction: column; }
  .about-intro { grid-template-columns: 1fr; gap: 42px; }
  .about-intro__image { order: -1; }
  .culture-grid, .certificate-grid { grid-template-columns: repeat(2,1fr); gap: 12px; }
  .culture-card { min-height: 220px; padding: 28px 18px; }
  .listing-layout { grid-template-columns: 1fr; gap: 28px; }
  .listing-sidebar { display: flex; overflow-x: auto; border-top: 0; background: transparent; }
  .listing-sidebar h3 { display: none; }
  .listing-sidebar a { min-width: 120px; padding: 12px 16px; border: 1px solid #ddd; text-align: center; white-space: nowrap; }
  .listing-sidebar a:hover, .listing-sidebar a.is-active { padding-left: 16px; }
  .listing-toolbar { align-items: flex-start; flex-direction: column; }
  .listing-search { width: 100%; }
  .listing-main .product-grid { grid-template-columns: repeat(2,1fr); }
  .product-detail-top { grid-template-columns: 1fr; gap: 30px; }
  .product-detail-copy { padding-top: 0; }
  .product-detail-body { margin-top: 42px; }
  .news-list-item a { padding: 24px 0; grid-template-columns: 72px minmax(0,1fr); gap: 16px; }
  .news-list-more { display: none; }
  .news-list-date strong { font-size: 34px; }
  .news-list-copy h2 { font-size: 17px; }
  .news-list-copy p { display: -webkit-box; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
  .detail-pager { gap: 14px; }
  .detail-pager a, .detail-pager span { font-size: 13px; }
  .process-list::before { left: 20px; }
  .process-step { padding-left: 62px; grid-template-columns: 1fr; gap: 18px; }
  .process-step::before { left: 20px; }
  .process-step:nth-child(even) .process-step__image { grid-column: auto; }
  .process-step:nth-child(even) .process-step__copy { grid-row: auto; text-align: left; }
  .gallery-grid { grid-template-columns: repeat(2,1fr); gap: 12px; }
  .contact-overview { grid-template-columns: 1fr; }
  .contact-info, .contact-form { min-height: auto; padding: 28px 22px; }
  .contact-map__canvas { min-height: 300px; }
  .contact-form--wide { margin-top: 28px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-field--full { grid-column: auto; }
  .job-item summary { grid-template-columns: 1fr auto; }
  .job-item summary span, .job-item summary b { display: none; }
  .site-footer { padding-top: 36px; }
  .dedeng-footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .dedeng-footer-message .footer-message-row { grid-template-columns: 1fr; }
  .dedeng-footer-wechat img { width: 132px; height: 132px; }
  .floating-actions { right: 12px; bottom: 72px; }
  .floating-action > a, .floating-action > button { width: 44px; height: 44px; }
}

@media (max-width: 430px) {
  .mobile-logo { width: calc(100vw - 132px); }
  .home-hero-track { min-height: 205px; }
  .culture-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .certificate-grid { grid-template-columns: repeat(2,1fr); }
  .listing-main .product-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

@media (max-width: 767px) {
  .home-advantages { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 16px; }
  .home-advantages__image { grid-column: 1 / -1; }
  .home-advantage { position: static; width: auto; }
}