:root {
  color-scheme: light;
  --ink: #172026;
  --ink-strong: #0d1716;
  --muted: #65716f;
  --soft: #edf2f1;
  --panel: #f7f9f7;
  --paper: #ffffff;
  --line: #d7e0dd;
  --accent: #0f766e;
  --accent-strong: #0b5f59;
  --warm: #c87b2b;
  --warm-soft: #fff4e7;
  --shadow: 0 18px 44px rgba(23, 32, 38, 0.12);
  --max: 1180px;
  --header-h: 76px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, "Microsoft YaHei", sans-serif;
  line-height: 1.65;
}

body::selection {
  color: #ffffff;
  background: var(--accent);
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(215, 224, 221, 0.86);
  background: rgba(255, 255, 255, 0.93);
  backdrop-filter: blur(14px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  max-width: var(--max);
  min-height: var(--header-h);
  margin: 0 auto;
  padding: 0 24px;
}

.brand {
  display: grid;
  gap: 0;
  min-width: 172px;
}

.brand span {
  color: var(--ink-strong);
  font-size: 22px;
  font-weight: 800;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
}

.primary-nav,
.footer-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 18px;
  color: #3d4947;
  font-size: 15px;
}

.primary-nav a,
.footer-nav a {
  position: relative;
  padding: 7px 0;
}

.primary-nav a::after,
.footer-nav a::after {
  position: absolute;
  right: 0;
  bottom: 1px;
  left: 0;
  height: 2px;
  background: var(--accent);
  content: "";
  opacity: 0;
  transform: scaleX(0.35);
  transition: opacity 160ms ease, transform 160ms ease;
}

.primary-nav a:hover::after,
.primary-nav a:focus-visible::after,
.footer-nav a:hover::after,
.footer-nav a:focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav-search-lite {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--accent-strong);
  font-weight: 700;
}

.nav-search-lite::after {
  display: none;
}

.language-hub {
  flex: 0 0 auto;
}

.language-hub-trigger {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  gap: 10px;
  padding: 6px 14px 6px 12px;
  border: 1px solid rgba(15, 118, 110, 0.24);
  border-radius: 999px;
  background: #ffffff;
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  box-shadow: 0 8px 24px rgba(23, 32, 38, 0.08);
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.language-hub-trigger:hover,
.language-hub-trigger:focus-visible,
.language-hub.is-open .language-hub-trigger {
  border-color: rgba(15, 118, 110, 0.52);
  box-shadow: 0 12px 32px rgba(23, 32, 38, 0.14);
  transform: translateY(-1px);
}

.language-hub-icon {
  position: relative;
  width: 19px;
  height: 19px;
  border: 2px solid currentColor;
  border-radius: 999px;
  color: var(--accent-strong);
}

.language-hub-icon::before,
.language-hub-icon::after {
  position: absolute;
  content: "";
}

.language-hub-icon::before {
  top: 7px;
  right: 2px;
  left: 2px;
  border-top: 2px solid currentColor;
}

.language-hub-icon::after {
  top: 2px;
  bottom: 2px;
  left: 7px;
  border-left: 2px solid currentColor;
}

.language-hub-copy {
  display: grid;
  gap: 1px;
  text-align: left;
}

.language-hub-copy span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  line-height: 1;
}

.language-hub-copy strong {
  color: var(--ink-strong);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.15;
}

.language-panel {
  position: fixed;
  top: calc(var(--header-h) + 12px);
  right: max(24px, calc((100vw - var(--max)) / 2 + 24px));
  z-index: 90;
  width: min(580px, calc(100vw - 48px));
  max-height: min(680px, calc(100vh - var(--header-h) - 34px));
  overflow-y: auto;
  padding: 22px;
  border: 1px solid rgba(204, 216, 212, 0.92);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 28px 70px rgba(20, 35, 31, 0.2);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px) scale(0.98);
  transform-origin: top right;
  transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
  visibility: hidden;
}

.language-hub.is-open .language-panel {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
  visibility: visible;
}

.language-panel-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.language-panel-head p,
.language-panel-label {
  margin: 0;
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.language-panel-head h2 {
  margin: 4px 0 0;
  color: var(--ink-strong);
  font-size: 24px;
  line-height: 1.18;
}

.language-panel-close {
  display: grid;
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  font-size: 18px;
  line-height: 1;
}

.language-panel-section {
  display: grid;
  gap: 10px;
  padding-top: 18px;
}

.language-more {
  display: grid;
  gap: 10px;
}

.language-more summary {
  cursor: pointer;
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 900;
}

.language-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.language-grid-dense {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.language-grid a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 48px;
  padding: 10px 12px;
  border: 1px solid rgba(215, 224, 221, 0.88);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  transition: border-color 140ms ease, background 140ms ease, color 140ms ease, transform 140ms ease;
}

.language-grid a:hover,
.language-grid a:focus-visible {
  border-color: rgba(15, 118, 110, 0.45);
  background: rgba(15, 118, 110, 0.08);
  color: var(--accent-strong);
  transform: translateY(-1px);
}

.language-grid a[aria-current="page"] {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

.language-grid small {
  color: inherit;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0;
  opacity: 0.72;
}

.breadcrumb {
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px 24px 0;
  color: var(--muted);
  font-size: 14px;
}

.breadcrumb a {
  color: var(--accent-strong);
  font-weight: 700;
}

.official-hero {
  position: relative;
  overflow: hidden;
  min-height: calc(78svh - var(--header-h));
  color: #ffffff;
  background:
    linear-gradient(90deg, rgba(13, 23, 22, 0.92), rgba(13, 23, 22, 0.68) 52%, rgba(13, 23, 22, 0.18)),
    var(--hero-image, url("../img/liteweb-hero.jpg")) center / cover no-repeat;
}

.official-hero::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 92px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0), #ffffff);
  content: "";
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(280px, 0.62fr);
  align-items: end;
  gap: 52px;
  max-width: var(--max);
  min-height: calc(78svh - var(--header-h));
  margin: 0 auto;
  padding: 72px 24px 92px;
}

.hero-copy {
  max-width: 720px;
  animation: hero-rise 520ms ease-out both;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 800;
}

.official-hero .eyebrow {
  color: #8ee1d8;
}

h1,
h2,
h3 {
  color: var(--ink-strong);
  line-height: 1.14;
  letter-spacing: 0;
}

h1 {
  max-width: 780px;
  margin: 0;
  font-size: 54px;
}

h2 {
  margin: 0 0 12px;
  font-size: 30px;
}

h3 {
  margin: 0 0 12px;
  font-size: 20px;
}

.official-hero h1 {
  color: #ffffff;
}

.intro {
  max-width: 760px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.official-hero .intro {
  color: rgba(255, 255, 255, 0.84);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-weight: 800;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button.primary {
  color: #ffffff;
  border-color: var(--accent);
  background: var(--accent);
}

.button.primary:hover {
  background: var(--accent-strong);
}

.button.secondary {
  color: var(--accent-strong);
  background: #ffffff;
}

.official-hero .button.secondary {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.12);
}

.hero-specs {
  display: grid;
  gap: 1px;
  max-width: 380px;
  margin-left: auto;
  background: rgba(255, 255, 255, 0.18);
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.22);
  animation: hero-rise 620ms ease-out 80ms both;
  backdrop-filter: blur(8px);
}

.hero-specs div {
  padding: 20px;
  background: rgba(13, 23, 22, 0.68);
}

.hero-specs span {
  display: block;
  color: #9ed9d2;
  font-size: 13px;
  font-weight: 800;
}

.hero-specs strong {
  display: block;
  margin-top: 6px;
  font-size: 19px;
}

.home-search,
.core-product-lines,
.product-showcase,
.solution-strip,
.proof-grid,
.about-band,
.resource-board,
.news-board,
.contact-ribbon,
.page-hero,
.catalog-layout,
.product-deal-hero,
.product-spec-matrix,
.product-gallery,
.product-conversion-strip,
.rfq-checklist,
.detail-grid,
.product-detail-layout,
.product-related-panel,
.purchase-inquiry,
.related-products,
.form-wrap,
.product-grid.wide {
  max-width: var(--max);
  margin: 0 auto;
  padding-right: 24px;
  padding-left: 24px;
}

.home-search {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.65fr);
  gap: 28px;
  align-items: center;
  margin-top: 0;
  padding-top: 28px;
  padding-bottom: 62px;
}

.core-product-lines {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  padding-top: 0;
  padding-bottom: 48px;
}

.core-product-lines a {
  display: grid;
  min-height: 168px;
  align-content: space-between;
  gap: 16px;
  padding: 22px;
  color: var(--ink);
  background: #ffffff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.core-product-lines a:first-child {
  border-left: 1px solid var(--line);
  border-radius: 8px 0 0 8px;
}

.core-product-lines a:last-child {
  border-right: 1px solid var(--line);
  border-radius: 0 8px 8px 0;
}

.core-product-lines span {
  color: var(--accent-strong);
  font-weight: 900;
}

.core-product-lines strong {
  color: var(--ink-strong);
  font-size: 21px;
  line-height: 1.2;
}

.core-product-lines small {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.home-search form {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: auto minmax(180px, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.home-search label,
.catalog-tools label {
  color: var(--ink-strong);
  font-weight: 800;
}

.home-search input,
.catalog-tools input,
.catalog-tools select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 9px 12px;
  color: var(--ink);
  background: #ffffff;
  font: inherit;
}

.home-search input:focus,
.catalog-tools input:focus,
.catalog-tools select:focus,
.inquiry-form input:focus,
.inquiry-form select:focus,
.inquiry-form textarea:focus {
  border-color: var(--accent);
  outline: 3px solid rgba(15, 118, 110, 0.14);
}

.hotwords {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
}

.hotwords strong {
  width: 100%;
  color: var(--ink-strong);
}

.hotwords a {
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.section-heading a {
  color: var(--accent-strong);
  font-weight: 800;
}

.product-showcase {
  padding-top: 22px;
  padding-bottom: 72px;
}

.showcase-grid {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.category-rail {
  display: grid;
  gap: 8px;
}

.category-rail a,
.category-rail span {
  display: grid;
  gap: 4px;
  padding: 16px;
  border-left: 3px solid var(--accent);
  background: var(--panel);
}

.category-rail strong {
  color: var(--ink-strong);
}

.category-rail span span,
.category-rail a span {
  color: var(--muted);
  font-size: 14px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.product-grid.wide {
  padding-top: 28px;
  padding-bottom: 64px;
}

.product-tile {
  position: relative;
  display: grid;
  gap: 12px;
  min-height: 232px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 8px 24px rgba(23, 32, 38, 0.06);
  transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.product-thumb {
  overflow: hidden;
  aspect-ratio: 16 / 10;
  margin: -6px -6px 2px;
  border-radius: 6px;
  background: var(--panel);
}

.product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 220ms ease;
}

.product-tile:hover .product-thumb img {
  transform: scale(1.035);
}

.product-tile::before {
  position: absolute;
  top: 0;
  right: 18px;
  left: 18px;
  height: 3px;
  background: var(--warm);
  content: "";
}

.product-tile:hover {
  border-color: rgba(15, 118, 110, 0.45);
  box-shadow: 0 14px 32px rgba(23, 32, 38, 0.1);
  transform: translateY(-3px);
}

.product-tile h2 {
  margin: 0;
  font-size: 22px;
}

.product-tile p {
  margin: 0;
  color: var(--muted);
}

.tile-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.tile-actions a {
  color: var(--accent-strong);
  font-weight: 800;
}

dl {
  display: grid;
  gap: 10px;
  margin: 0;
}

dl div {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 12px;
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

dt {
  color: var(--muted);
  font-weight: 800;
}

dd {
  margin: 0;
}

.solution-strip {
  padding-top: 60px;
  padding-bottom: 72px;
  border-top: 1px solid var(--line);
}

.solution-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

.solution-list a {
  display: grid;
  align-content: start;
  min-height: 210px;
  padding: 24px;
  background: #ffffff;
  transition: background 160ms ease, transform 160ms ease;
}

.solution-list a:hover {
  background: var(--panel);
  transform: translateY(-2px);
}

.solution-list span,
.proof-grid span {
  color: var(--warm);
  font-weight: 900;
}

.solution-list strong {
  margin-top: 28px;
  color: var(--ink-strong);
  font-size: 20px;
}

.solution-list p,
.proof-grid p,
.about-band p,
.news-columns span,
.contact-aside {
  color: var(--muted);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  padding-top: 10px;
  padding-bottom: 72px;
}

.proof-grid article {
  min-height: 180px;
  padding: 20px 0 0;
  border-top: 2px solid var(--line);
}

.proof-grid h2 {
  margin-top: 18px;
  font-size: 24px;
}

.about-band {
  position: relative;
  max-width: none;
  min-height: 420px;
  padding-top: 82px;
  padding-bottom: 82px;
  color: #ffffff;
  background:
    linear-gradient(90deg, rgba(13, 23, 22, 0.9), rgba(13, 23, 22, 0.66), rgba(13, 23, 22, 0.2)),
    url("../img/liteweb-factory.jpg") center / cover no-repeat;
}

.about-band > div {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

.about-band h2 {
  max-width: 760px;
  color: #ffffff;
}

.about-band p {
  max-width: 680px;
  color: rgba(255, 255, 255, 0.82);
}

.resource-board,
.news-board {
  padding-top: 72px;
  padding-bottom: 72px;
}

.news-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.news-columns > div {
  display: grid;
  align-content: start;
  gap: 12px;
  border-top: 3px solid var(--accent);
  padding-top: 18px;
}

.news-columns a {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-strong);
  font-weight: 700;
}

.contact-ribbon {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 76px;
  padding-top: 34px;
  padding-bottom: 34px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-hero {
  padding-top: 58px;
  padding-bottom: 34px;
}

.page-hero h1 {
  color: var(--ink-strong);
}

.product-hero,
.product-deal-hero {
  border-top: 1px solid var(--line);
}

.product-deal-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 0.62fr);
  gap: 34px;
  align-items: center;
  padding-top: 42px;
  padding-bottom: 34px;
}

.product-hero-copy {
  display: grid;
  align-content: center;
  gap: 18px;
}

.product-hero-copy h1 {
  max-width: 820px;
  margin: 0;
  color: var(--ink-strong);
  font-size: clamp(38px, 5vw, 72px);
  line-height: 0.98;
}

.product-hero-copy .intro {
  max-width: 720px;
  margin: 0;
  color: var(--ink);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.55;
}

.product-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.product-hero-media {
  align-self: center;
  overflow: hidden;
  min-height: 0;
  max-height: 680px;
  aspect-ratio: 4 / 5;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.product-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.rfq-snapshot {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 18px;
  align-items: stretch;
  max-width: 1000px;
  margin: 22px 0 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.product-deal-hero .rfq-snapshot {
  max-width: 820px;
  margin-top: 4px;
}

.rfq-snapshot > div:first-child {
  display: grid;
  align-content: center;
  gap: 4px;
  padding-right: 16px;
  border-right: 1px solid var(--line);
}

.rfq-snapshot span {
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 900;
}

.rfq-snapshot strong {
  color: var(--ink-strong);
  font-size: 20px;
  line-height: 1.25;
}

.rfq-snapshot dl {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 0;
}

.rfq-snapshot dl div {
  display: grid;
  grid-template-columns: 142px minmax(0, 1fr);
  gap: 3px;
  align-items: start;
  min-width: 0;
  padding: 10px 12px;
  border-top: 0;
  border-radius: 6px;
  background: #ffffff;
}

.rfq-snapshot dt {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.rfq-snapshot dd {
  overflow-wrap: break-word;
  margin: 0;
  color: var(--ink-strong);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.38;
}

.product-spec-matrix {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding-top: 10px;
  padding-bottom: 28px;
}

.product-spec-matrix article {
  min-height: 96px;
  padding: 18px;
  border-top: 3px solid var(--accent);
  background: var(--panel);
}

.product-spec-matrix span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.product-spec-matrix strong {
  display: block;
  margin-top: 8px;
  color: var(--ink-strong);
  font-size: 16px;
  line-height: 1.3;
}

.product-conversion-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 22px;
  align-items: center;
  padding-top: 24px;
  padding-bottom: 24px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(15, 118, 110, 0.08), rgba(255, 255, 255, 0));
}

.product-conversion-strip h2 {
  max-width: 720px;
  margin: 4px 0 8px;
  color: var(--ink-strong);
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.12;
}

.product-conversion-strip p {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
}

.product-conversion-strip nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.rfq-checklist {
  display: grid;
  gap: 18px;
  padding-top: 34px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.rfq-checklist .section-heading {
  max-width: 780px;
}

.rfq-checklist-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.rfq-checklist-grid article {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 10px 12px;
  min-height: 146px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.rfq-checklist-grid span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 6px;
  color: #ffffff;
  background: var(--accent);
  font-weight: 900;
}

.rfq-checklist-grid strong {
  align-self: center;
  color: var(--ink-strong);
  font-size: 18px;
}

.rfq-checklist-grid p {
  grid-column: 2;
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.catalog-layout,
.detail-grid {
  display: grid;
  grid-template-columns: 270px minmax(0, 1fr);
  gap: 32px;
  padding-top: 22px;
  padding-bottom: 68px;
}

.sidebar,
.spec-panel,
.contact-aside {
  border-left: 3px solid var(--accent);
  padding-left: 18px;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar a {
  padding: 10px 12px;
  border-radius: 6px;
  color: #3d4947;
  font-weight: 700;
}

.sidebar a:hover,
.sidebar a.is-active {
  color: var(--accent-strong);
  background: var(--soft);
}

.catalog-main {
  min-width: 0;
}

.catalog-tools {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(170px, 240px) auto;
  gap: 12px;
  align-items: end;
  margin-bottom: 20px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.catalog-tools label,
.inquiry-form label {
  display: grid;
  gap: 6px;
}

.catalog-count,
.empty-state {
  margin: 0 0 18px;
  color: var(--muted);
}

.product-gallery {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 18px;
  align-items: start;
  padding-top: 20px;
  padding-bottom: 24px;
}

.gallery-main,
.gallery-side figure,
.gallery-side div,
.equipment-visual {
  overflow: hidden;
  border-radius: 8px;
  background: var(--panel);
}

.gallery-main img,
.gallery-side img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-main {
  min-height: 0;
  max-height: 760px;
  aspect-ratio: 4 / 5;
}

.gallery-side {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.gallery-side figure {
  min-height: 0;
  aspect-ratio: 1;
  margin: 0;
}

.gallery-side div {
  display: grid;
  align-content: center;
  min-height: 205px;
  padding: 24px;
  border: 1px solid var(--line);
}

.gallery-side span,
.equipment-visual span {
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 900;
}

.gallery-side strong {
  color: var(--ink-strong);
  font-size: 22px;
}

.equipment-visual {
  display: grid;
  place-content: center;
  min-height: 430px;
  padding: 36px;
  border: 1px solid var(--line);
  text-align: center;
}

.equipment-visual strong {
  max-width: 560px;
  margin-top: 10px;
  color: var(--ink-strong);
  font-size: 36px;
  line-height: 1.12;
}

.detail-grid {
  grid-template-columns: minmax(0, 1fr) 360px;
}

.product-detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 34px;
  align-items: start;
  padding-top: 42px;
  padding-bottom: 42px;
}

.detail-grid > div > p,
.detail-grid li {
  color: var(--muted);
}

.spec-panel {
  align-self: start;
  padding-top: 4px;
}

.spec-panel dl div {
  align-items: start;
  grid-template-columns: 118px minmax(0, 1fr);
}

.spec-panel dd {
  overflow-wrap: break-word;
  font-size: 14px;
  line-height: 1.55;
}

.link-list {
  margin: 0;
  padding-left: 20px;
}

.link-list a {
  color: var(--accent-strong);
  font-weight: 700;
}

.purchase-inquiry {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 28px;
  align-items: center;
  padding-top: 36px;
  padding-bottom: 36px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.product-related-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 34px;
  padding-top: 38px;
  padding-bottom: 34px;
  border-top: 1px solid var(--line);
}

.product-related-panel > div {
  min-width: 0;
}

.contact-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.contact-card p {
  margin: 8px 0;
  color: var(--ink-strong);
  font-weight: 800;
}

.related-products {
  padding-top: 58px;
  padding-bottom: 76px;
}

.rich-copy {
  max-width: 760px;
}

.application-brief {
  display: grid;
  gap: 24px;
}

.application-brief h2 {
  margin-bottom: 8px;
}

.condition-list {
  display: grid;
  gap: 10px;
  margin: 0;
}

.condition-list div {
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

.condition-list dt {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.condition-list dd {
  margin: 4px 0 0;
  color: var(--ink-strong);
  font-weight: 800;
  line-height: 1.6;
}

.body-copy {
  margin-top: 22px;
  color: var(--ink);
  line-height: 1.85;
}

.form-wrap {
  display: block;
  padding-top: 22px;
  padding-bottom: 72px;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 32px;
  align-items: start;
}

.inquiry-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  max-width: 860px;
}

.inquiry-form label {
  color: var(--muted);
  font-weight: 800;
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 9px 10px;
  color: var(--ink);
  background: #ffffff;
  font: inherit;
}

.inquiry-form textarea {
  min-height: 150px;
}

.inquiry-form label:has(textarea),
.inquiry-form button {
  grid-column: 1 / -1;
}

.contact-aside {
  padding-top: 4px;
}

.contact-aside ul {
  margin: 0 0 20px;
  padding-left: 20px;
}

.notice {
  display: inline-block;
  margin-top: 18px;
  padding: 10px 14px;
  border: 1px solid #99d5cf;
  border-radius: 6px;
  color: var(--accent-strong);
  background: #eefaf8;
}

.content-band {
  border-top: 1px solid var(--line);
  background: var(--panel);
  padding: 42px 24px;
}

.content-band > * {
  max-width: var(--max);
  margin-right: auto;
  margin-left: auto;
}

.home-sections {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px 48px;
}

.home-section {
  border-top: 3px solid var(--accent);
  padding-top: 18px;
}

.search-form {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  max-width: 720px;
  margin-top: 24px;
}

.search-form input {
  flex: 1 1 260px;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 9px 12px;
  font: inherit;
}

.site-footer {
  color: rgba(255, 255, 255, 0.72);
  background: var(--ink-strong);
}

.footer-main,
.footer-bottom {
  max-width: var(--max);
  margin: 0 auto;
  padding-right: 24px;
  padding-left: 24px;
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  padding-top: 36px;
  padding-bottom: 26px;
}

.footer-main strong {
  color: #ffffff;
}

.footer-main p {
  max-width: 620px;
  margin: 8px 0 0;
}

.footer-main nav {
  align-content: start;
  justify-content: end;
  max-width: 420px;
  color: rgba(255, 255, 255, 0.78);
}

.footer-main nav a::after {
  background: #8ee1d8;
}

.footer-bottom {
  padding-bottom: 30px;
}

.footer-compliance {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin: 0;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 14px;
}

.footer-compliance a {
  color: #8ee1d8;
}

.floating-inquiry {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 20;
  display: grid;
  gap: 4px;
  min-width: 154px;
  padding: 12px 14px;
  border: 1px solid rgba(15, 118, 110, 0.22);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 10px 30px rgba(23, 32, 38, 0.16);
  font-size: 13px;
}

.floating-inquiry a {
  color: var(--accent-strong);
  font-weight: 900;
}

@keyframes hero-rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto;
    transition-duration: 1ms;
    animation-duration: 1ms;
    animation-iteration-count: 1;
  }
}

@media (max-width: 980px) {
  .hero-inner,
  .home-search,
  .showcase-grid,
  .catalog-layout,
  .product-deal-hero,
  .product-gallery,
  .product-conversion-strip,
  .detail-grid,
  .product-detail-layout,
  .product-related-panel,
  .purchase-inquiry,
  .contact-layout,
  .footer-main {
    grid-template-columns: 1fr;
  }

  .rfq-snapshot {
    grid-template-columns: 1fr;
  }

  .rfq-snapshot > div:first-child {
    padding-right: 0;
    padding-bottom: 12px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .rfq-snapshot dl {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .rfq-checklist-grid {
    grid-template-columns: 1fr;
  }

  .product-deal-hero {
    align-items: start;
  }

  .product-hero-media,
  .gallery-main {
    width: 100%;
    max-height: 560px;
    aspect-ratio: 4 / 5;
  }

  .gallery-side {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .product-conversion-strip nav {
    justify-content: flex-start;
  }

  .hero-specs {
    max-width: none;
    margin-left: 0;
  }

  .solution-list,
  .core-product-lines,
  .proof-grid,
  .news-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .core-product-lines a,
  .core-product-lines a:first-child,
  .core-product-lines a:last-child {
    border: 1px solid var(--line);
    border-radius: 8px;
  }

  .catalog-tools {
    grid-template-columns: 1fr 1fr;
  }

  .catalog-tools button {
    grid-column: 1 / -1;
  }

  .footer-main nav {
    justify-content: start;
  }
}

@media (max-width: 760px) {
  :root {
    --header-h: auto;
  }

  body {
    padding-bottom: 76px;
  }

  .site-header {
    overflow: visible;
  }

  .header-inner {
    align-items: stretch;
    flex-direction: column;
    gap: 8px;
    padding: 10px 16px 8px;
  }

  .brand {
    min-width: 0;
  }

  .brand span {
    font-size: 20px;
  }

  .brand small {
    display: none;
  }

  .primary-nav {
    overflow-x: auto;
    flex-wrap: nowrap;
    width: 100%;
    gap: 16px;
    padding-right: 16px;
    padding-bottom: 4px;
    font-size: 14px;
    scrollbar-width: none;
  }

  .primary-nav::-webkit-scrollbar {
    display: none;
  }

  .primary-nav a {
    flex: 0 0 auto;
    min-height: 36px;
    padding: 7px 0;
    white-space: nowrap;
  }

  .nav-search-lite {
    min-height: 34px;
    padding: 5px 12px;
  }

  .language-hub,
  .language-hub-trigger {
    width: 100%;
  }

  .language-hub-trigger {
    justify-content: space-between;
  }

  .language-hub-copy {
    margin-right: auto;
  }

  .language-panel {
    top: 118px;
    right: 16px;
    left: 16px;
    width: auto;
    max-height: calc(100vh - 140px);
    padding: 16px;
    border-radius: 10px;
  }

  .language-panel-head h2 {
    font-size: 21px;
  }

  .language-grid,
  .language-grid-dense {
    grid-template-columns: 1fr;
  }

  .official-hero {
    min-height: auto;
    background-position: 58% center;
  }

  .hero-inner {
    gap: 22px;
    min-height: auto;
    padding: 42px 16px 58px;
  }

  .hero-copy {
    max-width: 100%;
  }

  h1 {
    font-size: 32px;
  }

  h2 {
    font-size: 25px;
  }

  .intro {
    margin-top: 14px;
    font-size: 16px;
  }

  .product-deal-hero {
    gap: 22px;
    padding-top: 28px;
    padding-bottom: 24px;
  }

  .product-hero-copy {
    gap: 14px;
  }

  .product-hero-copy h1 {
    font-size: clamp(31px, 10vw, 42px);
    line-height: 1.05;
  }

  .product-hero-copy .intro {
    font-size: 16px;
    line-height: 1.55;
  }

  .rfq-snapshot {
    display: none;
  }

  .product-spec-matrix {
    grid-template-columns: 1fr;
  }

  .product-hero-media,
  .gallery-main {
    max-height: 520px;
  }

  .gallery-side {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-detail-layout {
    gap: 22px;
  }

  .spec-panel dl div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .actions {
    gap: 10px;
    margin-top: 22px;
  }

  .actions .button {
    flex: 1 1 150px;
  }

  .hero-specs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .hero-specs div {
    padding: 12px;
  }

  .hero-specs span {
    font-size: 11px;
  }

  .hero-specs strong {
    font-size: 14px;
  }

  .home-search {
    margin-top: 0;
    padding-top: 18px;
    padding-right: 16px;
    padding-bottom: 42px;
    padding-left: 16px;
  }

  .home-search form,
  .rfq-snapshot dl,
  .core-product-lines,
  .catalog-tools,
  .inquiry-form,
  .solution-list,
  .proof-grid,
  .news-columns {
    grid-template-columns: 1fr;
  }

  .home-search form {
    gap: 10px;
    padding: 14px;
  }

  .home-search label {
    font-size: 14px;
  }

  .button {
    min-height: 46px;
  }

  .hotwords {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 4px;
    scrollbar-width: none;
  }

  .hotwords::-webkit-scrollbar {
    display: none;
  }

  .hotwords strong,
  .hotwords a {
    flex: 0 0 auto;
  }

  .hotwords strong {
    width: auto;
    padding: 6px 0;
  }

  .home-search,
  .core-product-lines,
  .product-showcase,
  .solution-strip,
  .proof-grid,
  .about-band,
  .resource-board,
  .news-board,
  .contact-ribbon,
  .page-hero,
  .catalog-layout,
  .product-deal-hero,
  .product-spec-matrix,
  .product-gallery,
  .product-conversion-strip,
  .rfq-checklist,
  .detail-grid,
  .product-detail-layout,
  .product-related-panel,
  .purchase-inquiry,
  .related-products,
  .form-wrap,
  .product-grid.wide {
    padding-right: 16px;
    padding-left: 16px;
  }

  .section-heading,
  .contact-ribbon {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .section-heading {
    margin-bottom: 18px;
  }

  .category-rail {
    display: flex;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
  }

  .category-rail::-webkit-scrollbar {
    display: none;
  }

  .category-rail a,
  .category-rail span {
    flex: 0 0 210px;
  }

  .product-tile {
    min-height: auto;
    padding: 18px;
  }

  .product-thumb {
    margin: -2px -2px 0;
  }

  .product-tile h2 {
    font-size: 20px;
  }

  dl div {
    grid-template-columns: 82px minmax(0, 1fr);
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .solution-list a,
  .proof-grid article,
  .news-columns > div {
    min-height: auto;
    padding: 18px;
  }

  .solution-list strong {
    margin-top: 12px;
  }

  .about-band {
    min-height: auto;
    padding-top: 56px;
    padding-bottom: 56px;
    background-position: 60% center;
  }

  .gallery-main,
  .product-hero-media,
  .equipment-visual {
    min-height: 300px;
  }

  .equipment-visual strong {
    font-size: 28px;
  }

  .floating-inquiry {
    right: 0;
    bottom: 0;
    left: 0;
    grid-template-columns: minmax(0, 1fr) auto auto;
    align-items: center;
    min-width: 0;
    margin: 0;
    padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
    border-right: 0;
    border-bottom: 0;
    border-left: 0;
    border-radius: 0;
  }

  .floating-inquiry a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 14px;
    border-radius: 6px;
    color: #ffffff;
    background: var(--accent);
  }

  .floating-inquiry span {
    overflow: hidden;
    max-width: 24vw;
    color: var(--muted);
    white-space: nowrap;
    text-overflow: ellipsis;
  }
}

@media (max-width: 420px) {
  h1 {
    font-size: 30px;
  }

  .hero-specs {
    display: none;
  }

  .actions {
    flex-direction: column;
  }

  .actions .button,
  .home-search .button,
  .contact-ribbon .button {
    flex: 0 0 auto;
    width: 100%;
  }

  .floating-inquiry {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .floating-inquiry span:last-child {
    display: none;
  }
}