:root {
  --site-nav-height: 78px;
  --graphite: #151817;
  --graphite-2: #222724;
  --ink: #202520;
  --muted: #69736d;
  --paper: #fbfaf5;
  --paper-2: #f1eee4;
  --line: #ded8c9;
  --steel: #5b7770;
  --steel-dark: #314e49;
  --brass: #b98538;
  --brass-light: #e7c681;
  --white: #ffffff;
  --shadow: 0 22px 70px rgba(28, 30, 26, .16);
}

* { box-sizing: border-box; letter-spacing: 0; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Aptos", "Segoe UI", "Helvetica Neue", sans-serif;
  line-height: 1.55;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }

.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(230px, 1fr) minmax(520px, auto) minmax(180px, 1fr);
  align-items: center;
  gap: 18px;
  min-height: 78px;
  padding: 14px 48px;
  background: rgba(251, 250, 245, .88);
  border-bottom: 1px solid rgba(222, 216, 201, .82);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-logo {
  width: clamp(190px, 17vw, 260px);
  height: auto;
  max-height: 54px;
  object-fit: contain;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--graphite);
  background: var(--graphite);
  color: var(--brass-light);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1rem;
  font-weight: 700;
}

.brand strong,
.brand small {
  display: block;
  overflow-wrap: anywhere;
}

.brand strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.12rem;
  line-height: 1.15;
}

.brand small {
  color: var(--muted);
  font-size: .78rem;
}

.nav-links,
.language-switch,
.hero-actions,
.contact-actions,
.filter-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.nav-links {
  justify-content: center;
  gap: 12px;
}

.nav-links a,
.language-switch button,
.filter-bar button {
  min-height: 36px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--graphite);
  padding: 7px 10px;
  font-size: .88rem;
  cursor: pointer;
}

.nav-links a {
  position: relative;
  min-height: 40px;
  padding: 8px 14px 9px;
  color: #1b211f;
  font-family: "Microsoft YaHei", "Noto Serif SC", Georgia, serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0;
  border-radius: 999px;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 6px;
  height: 2px;
  background: var(--brass);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .18s ease;
}

.nav-links a:hover,
.language-switch button:hover,
.filter-bar button:hover {
  border-color: var(--line);
  background: rgba(255, 255, 255, .62);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: #0f4b56;
}

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

.language-switch {
  justify-content: flex-end;
}

.language-switch button,
.filter-bar button {
  border-color: var(--line);
  background: rgba(255, 255, 255, .5);
}

.language-switch button.active,
.filter-bar button.active {
  background: var(--graphite);
  color: var(--white);
  border-color: var(--graphite);
}

.hero {
  position: relative;
  min-height: calc(100svh - var(--site-nav-height));
  height: calc(100svh - var(--site-nav-height));
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: var(--white);
  background: var(--graphite) url("../public-assets/ai/hero-mingpan-keyboards-v3.png") right center / auto 100% no-repeat;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(21, 24, 23, .9), rgba(21, 24, 23, .66) 42%, rgba(21, 24, 23, .22)),
    linear-gradient(0deg, rgba(21, 24, 23, .72), rgba(21, 24, 23, .05) 48%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(1160px, calc(100% - 72px));
  margin: 0 auto;
  padding: 94px 0 72px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--brass-light);
  font-size: .78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.eyebrow.dark { color: var(--steel-dark); }
.eyebrow.light { color: var(--brass-light); }

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 700;
  line-height: 1.03;
}

h1 {
  max-width: 900px;
  font-size: 4.55rem;
}

h2 {
  max-width: 840px;
  color: var(--graphite);
  font-size: 3rem;
}

.hero-copy {
  max-width: 740px;
  margin: 22px 0 30px;
  color: rgba(255, 255, 255, .86);
  font-size: 1.12rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border: 1px solid var(--graphite);
  padding: 11px 18px;
  font-weight: 800;
  line-height: 1.2;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}

.button:hover { transform: translateY(-2px); }
.button.primary {
  background: var(--brass);
  border-color: var(--brass);
  color: #171714;
}
.button.ghost {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .36);
  color: var(--white);
}
.button.dark {
  background: var(--graphite);
  border-color: var(--graphite);
  color: var(--white);
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255, 255, 255, .14);
  border-bottom: 1px solid var(--line);
  background: var(--graphite);
  color: var(--white);
}

.proof-strip div {
  min-height: 112px;
  padding: 22px 30px;
  border-right: 1px solid rgba(255, 255, 255, .12);
}

.proof-strip div:last-child { border-right: 0; }
.proof-strip > div > span {
  display: block;
  color: rgba(255, 255, 255, .56);
  font-size: .78rem;
  text-transform: uppercase;
}
.proof-strip strong {
  display: block;
  margin-top: 8px;
  font-size: 1.05rem;
  line-height: 1.25;
}

.proof-strip strong span {
  display: inline;
  color: inherit;
  font-size: inherit;
  text-transform: none;
}

.proof-strip strong:has([data-product-count]) {
  white-space: nowrap;
}

.section {
  width: min(1160px, calc(100% - 72px));
  margin: 0 auto;
  padding: 78px 0;
}

.profile-section,
.capability-section,
.solution-section,
.buyer-section,
.quality-section,
.download-section,
.faq-section,
.exhibition-section,
.contact-section {
  display: grid;
  grid-template-columns: minmax(260px, .82fr) minmax(320px, 1fr);
  gap: 54px;
  align-items: start;
}

.intro-body p,
.solution-section .section-copy p,
.process-heading > p,
.quality-section .section-copy p,
.download-section .section-copy p,
.faq-section .section-copy p,
.factory-layout p,
.confirmation-layout p,
.conversion-layout p,
.contact-copy p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 1.03rem;
}

.profile-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 28px;
}

.capability-grid,
.solution-grid,
.buyer-grid,
.quality-grid,
.download-grid,
.exhibition-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.process-grid,
.path-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding-top: 0;
}

.profile-card,
.capability-card,
.solution-card,
.buyer-card,
.process-card,
.quality-card,
.download-card,
.exhibition-card,
.product-card {
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 1px 0 rgba(0, 0, 0, .02);
}

.profile-card,
.capability-card,
.solution-card,
.buyer-card,
.process-card,
.quality-card,
.exhibition-card {
  min-height: 188px;
  padding: 22px;
}

.profile-card span,
.capability-card span,
.solution-card span,
.buyer-card span,
.process-card span,
.quality-card span,
.download-card span,
.exhibition-card span,
.product-card .meta {
  color: var(--brass);
  font-size: .78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.profile-card h3,
.capability-card h3,
.solution-card h3,
.buyer-card h3,
.process-card h3,
.quality-card h3,
.exhibition-card h3 {
  margin: 12px 0 9px;
  color: var(--graphite);
  font-size: 1.18rem;
  line-height: 1.18;
}

.profile-card p,
.capability-card p,
.solution-card p,
.buyer-card p,
.process-card p,
.quality-card p,
.exhibition-card p,
.product-card p {
  margin: 0;
  color: var(--muted);
  font-size: .94rem;
}

.solution-card {
  display: grid;
  gap: 10px;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}

.solution-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: rgba(91, 119, 112, .58);
}

.solution-card a {
  align-self: end;
  width: fit-content;
  margin-top: 8px;
  color: var(--steel-dark);
  font-size: .9rem;
  font-weight: 800;
  border-bottom: 1px solid currentColor;
}

.process-band {
  background: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.process-heading {
  display: grid;
  grid-template-columns: minmax(280px, .95fr) minmax(320px, .88fr);
  gap: 54px;
  align-items: end;
  padding-bottom: 28px;
}

.process-heading > p {
  max-width: 520px;
}

.product-band {
  background: var(--paper-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.product-heading {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: end;
  padding-bottom: 28px;
}

.product-heading h2 {
  max-width: 760px;
}

.product-heading .section-copy > p:not(.eyebrow) {
  max-width: 720px;
  margin: 18px 0 0;
  color: var(--muted);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding-top: 0;
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-top: 20px;
}

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

.product-footer-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.product-footer .button.ghost {
  background: rgba(255, 255, 255, .58);
  border-color: var(--line);
  color: var(--graphite);
}

.product-footer .button.ghost:hover {
  border-color: var(--graphite);
  background: var(--white);
}

.catalog-page {
  min-height: calc(100svh - var(--site-nav-height));
}

.catalog-page .product-heading {
  align-items: flex-start;
}

.catalog-page .product-grid {
  padding-bottom: 72px;
}

.product-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(91, 119, 112, .6);
}

.product-image {
  display: grid;
  place-items: center;
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--white);
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 22px;
}

.product-content {
  display: grid;
  gap: 13px;
  padding: 20px;
}

.product-card h3 {
  margin: 0;
  color: var(--graphite);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.42rem;
  line-height: 1.08;
}

.spec-list {
  display: grid;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.spec-list li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  min-height: 30px;
  border-top: 1px solid var(--line);
  padding-top: 7px;
  color: var(--muted);
  font-size: .86rem;
}

.spec-list strong {
  color: var(--graphite);
  text-align: right;
}

.product-link {
  display: inline-flex;
  width: fit-content;
  color: var(--steel-dark);
  font-size: .92rem;
  font-weight: 800;
}

.factory-band,
.confirmation-band,
.conversion-band,
.project-brief-band {
  background: var(--graphite);
  color: var(--white);
}

.factory-band {
  border-top: 1px solid rgba(255, 255, 255, .12);
}

.factory-layout,
.confirmation-layout,
.conversion-layout,
.project-brief-layout {
  display: grid;
  grid-template-columns: minmax(280px, .9fr) minmax(320px, 1fr);
  gap: 54px;
  align-items: start;
}

.factory-layout h2,
.confirmation-layout h2,
.conversion-layout h2,
.project-brief-layout h2 {
  color: var(--white);
}

.factory-layout p,
.confirmation-layout p,
.conversion-layout p,
.project-brief-layout p {
  color: rgba(255, 255, 255, .72);
}

.factory-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .14);
}

.factory-stat {
  min-height: 124px;
  padding: 20px;
  background: var(--graphite-2);
}

.factory-stat span,
.media-card .media-frame > span {
  display: block;
  color: var(--brass-light);
  font-size: .78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.factory-stat strong {
  display: block;
  margin-top: 12px;
  color: rgba(255, 255, 255, .86);
  font-size: 1rem;
  line-height: 1.38;
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  padding-top: 0;
}

.media-card {
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .16);
}

.media-frame {
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background:
    linear-gradient(135deg, rgba(231, 198, 129, .12), rgba(91, 119, 112, .1)),
    repeating-linear-gradient(45deg, rgba(255, 255, 255, .06) 0 1px, transparent 1px 14px);
  text-align: center;
}

.media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame .media-label {
  position: absolute;
  left: 14px;
  bottom: 12px;
  max-width: calc(100% - 28px);
  padding: 7px 9px;
  background: rgba(19, 22, 20, .78);
  border: 1px solid rgba(231, 198, 129, .3);
  color: var(--brass-light);
  backdrop-filter: blur(8px);
}

.media-card h3,
.media-card p {
  margin: 0;
}

.media-card h3 {
  padding: 18px 18px 6px;
  color: var(--white);
  font-size: 1.05rem;
}

.media-card p {
  padding: 0 18px 18px;
  color: rgba(255, 255, 255, .7);
  font-size: .9rem;
}

.confirmation-list {
  display: grid;
  gap: 1px;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .14);
}

.confirmation-item {
  display: grid;
  grid-template-columns: minmax(120px, .72fr) minmax(170px, 1fr);
  gap: 18px;
  min-height: 64px;
  padding: 17px 18px;
  background: var(--graphite-2);
}

.confirmation-item span {
  color: var(--brass-light);
  font-weight: 800;
}

.confirmation-item strong {
  color: rgba(255, 255, 255, .84);
  font-weight: 500;
}

.download-card {
  display: grid;
  gap: 14px;
  min-height: 182px;
  padding: 22px;
}

.download-card p {
  margin: 0;
  color: var(--muted);
  font-size: .94rem;
}

.download-card a {
  align-self: end;
  width: fit-content;
  border-bottom: 1px solid currentColor;
  color: var(--steel-dark);
  font-size: .9rem;
  font-weight: 800;
}

.path-card {
  min-height: 170px;
  padding: 22px;
  background: var(--graphite-2);
  border: 1px solid rgba(255, 255, 255, .14);
}

.path-card span {
  color: var(--brass-light);
  font-size: .78rem;
  font-weight: 800;
}

.path-card h3 {
  margin: 12px 0 9px;
  color: var(--white);
  font-size: 1.12rem;
}

.path-card p {
  margin: 0;
  color: rgba(255, 255, 255, .72);
  font-size: .92rem;
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--line);
}

.faq-item summary {
  cursor: pointer;
  padding: 18px 20px;
  color: var(--graphite);
  font-weight: 800;
  list-style-position: outside;
}

.faq-item p {
  margin: 0;
  border-top: 1px solid var(--line);
  padding: 0 20px 18px;
  color: var(--muted);
}

.project-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .16);
  padding: 22px;
}

.project-form label {
  display: grid;
  gap: 7px;
  min-width: 0;
}

.project-form label > span {
  color: var(--brass-light);
  font-size: .78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.project-form input,
.project-form select,
.project-form textarea {
  width: 100%;
  min-height: 42px;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 0;
  background: rgba(255, 255, 255, .92);
  color: var(--graphite);
  padding: 10px 12px;
  outline: 0;
}

.project-form textarea {
  resize: vertical;
}

.project-checkbox,
.project-notes,
.project-form-actions {
  grid-column: 1 / -1;
}

.project-checkbox {
  display: flex !important;
  grid-template-columns: none;
  align-items: center;
  gap: 10px;
  min-height: 42px;
}

.project-checkbox input {
  width: 18px;
  min-height: 18px;
}

.project-checkbox span {
  color: rgba(255, 255, 255, .84) !important;
}

.project-form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 2px;
}

.contact-section {
  align-items: center;
}

.contact-panel {
  display: grid;
  gap: 14px;
  background: var(--white);
  border: 1px solid var(--line);
  padding: 26px;
  box-shadow: var(--shadow);
}

.contact-line {
  display: grid;
  gap: 4px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}

.contact-line span {
  color: var(--muted);
  font-size: .82rem;
  text-transform: uppercase;
}

.contact-line strong {
  overflow-wrap: anywhere;
  font-size: 1.05rem;
}

.social-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 10px;
}

.social-card {
  display: grid;
  gap: 5px;
  min-height: 118px;
  padding: 14px;
  background: var(--paper);
  border: 1px solid var(--line);
}

.social-card span {
  color: var(--steel-dark);
  font-size: .78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.social-card strong,
.social-card small {
  overflow-wrap: anywhere;
}

.social-card strong {
  color: var(--graphite);
  font-size: 1rem;
}

.social-card small {
  color: var(--muted);
  font-size: .82rem;
  line-height: 1.35;
}

.contact-actions {
  margin-top: 2px;
}

.footer {
  color: rgba(255, 255, 255, .78);
  background: #151d22;
  font-family: "Microsoft YaHei", "PingFang SC", "Source Han Sans SC", "Noto Sans CJK SC", "Segoe UI", sans-serif;
  font-size: .92rem;
}

.footer-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  width: min(100% - 96px, 1220px);
  margin: 0 auto;
  padding: 40px 56px;
  color: #fff;
  background: #123f4a;
  border: 1px solid rgba(201, 222, 224, .22);
  border-radius: 4px;
  box-shadow: 0 22px 54px rgba(4, 18, 24, .22);
  transform: translateY(-44px);
}

.footer-cta span {
  display: block;
  margin-bottom: 8px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: 0;
}

.footer-cta strong {
  display: block;
  max-width: 720px;
  font-family: "Microsoft YaHei", "PingFang SC", "Source Han Sans SC", "Noto Sans CJK SC", "Segoe UI", sans-serif;
  font-size: 3.15rem;
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: 0;
}

.footer-cta-button,
.footer-contact-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 26px;
  color: #123f4a;
  background: #fff;
  border: 1px solid rgba(255, 255, 255, .7);
  font-size: .88rem;
  font-weight: 900;
  white-space: nowrap;
}

.footer-main {
  width: min(100% - 96px, 1060px);
  margin: -6px auto 0;
  padding: 42px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(220px, 1.35fr) repeat(3, minmax(150px, 1fr));
  gap: 64px;
}

.footer-col {
  display: grid;
  align-content: start;
  gap: 11px;
}

.footer-col h3 {
  margin: 0 0 10px;
  color: rgba(255, 255, 255, .92);
  font-family: "Microsoft YaHei", "PingFang SC", "Source Han Sans SC", "Noto Sans CJK SC", "Segoe UI", sans-serif;
  font-size: .98rem;
  font-weight: 650;
  line-height: 1.4;
}

.footer-col p {
  margin: 0;
  color: rgba(255, 255, 255, .62);
  line-height: 1.68;
}

.footer a {
  color: rgba(255, 255, 255, .74);
  font-weight: 540;
}

.footer .footer-cta-button {
  color: #123f4a;
}

.footer .footer-contact-button {
  color: #fff;
}

.footer a:hover {
  color: #fff;
}

.footer-contact a {
  color: rgba(255, 255, 255, .9);
  font-weight: 600;
  overflow-wrap: anywhere;
}

.footer-contact p > span:first-child {
  display: inline-block;
  margin-bottom: 2px;
  color: rgba(255, 255, 255, .58);
  font-size: .86rem;
  font-weight: 500;
}

.footer-contact p > span:last-child {
  color: rgba(255, 255, 255, .76);
  font-weight: 500;
}

.footer-social {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 6px 0 12px;
}

.footer-social-link {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  color: #fff;
  background: rgba(255, 255, 255, .045);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 14px;
  font-size: .74rem;
  font-weight: 900;
  text-transform: uppercase;
  transition: transform .18s ease, border-color .18s ease, background-color .18s ease;
}

.footer-social-link img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 14px;
}

.footer-social-link:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, .12);
  border-color: rgba(255, 255, 255, .32);
}

.footer-contact-button {
  width: fit-content;
  color: #fff;
  background: #184d58;
  border-color: #184d58;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-top: 72px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, .08);
  color: rgba(255, 255, 255, .45);
  font-size: .82rem;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .55s ease, transform .55s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1040px) {
  .site-nav {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
    padding: 14px 28px;
  }

  .nav-links {
    grid-column: 1 / -1;
    justify-content: center;
  }

  .language-switch {
    justify-content: flex-end;
  }

  h1 { font-size: 3.65rem; }
  h2 { font-size: 2.38rem; }

  .process-grid,
  .path-grid,
  .proof-strip,
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .profile-section,
  .capability-section,
  .solution-section,
  .buyer-section,
  .process-heading,
  .quality-section,
  .download-section,
  .faq-section,
  .exhibition-section,
  .factory-layout,
  .confirmation-layout,
  .conversion-layout,
  .project-brief-layout,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 42px;
  }
}

@media (max-width: 720px) {
  .site-nav {
    position: static;
    gap: 10px;
    padding: 12px 16px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .brand strong {
    font-size: 1rem;
  }

  .brand small {
    font-size: .72rem;
  }

  .nav-links,
  .language-switch {
    gap: 6px;
  }

  .nav-links {
    justify-content: center;
  }

  .nav-links a,
  .language-switch button,
  .filter-bar button {
    min-height: 32px;
    padding: 5px 8px;
    font-size: .82rem;
  }

  .hero {
    min-height: calc(100svh - var(--site-nav-height));
    height: auto;
    background-position: 60% center;
    background-size: auto 100%;
  }

  .hero-content,
  .section {
    width: min(100% - 34px, 1160px);
  }

  .hero-content {
    padding: 64px 0 42px;
  }

  h1 {
    max-width: min(100%, 320px);
    font-size: 2rem;
    line-height: 1.08;
  }
  h2 { font-size: 2rem; }

  .hero-copy {
    max-width: min(100%, 320px);
    font-size: .96rem;
  }

  .proof-strip,
  .profile-grid,
  .capability-grid,
  .solution-grid,
  .buyer-grid,
  .process-grid,
  .quality-grid,
  .download-grid,
  .exhibition-grid,
  .factory-stat-grid,
  .media-grid,
  .path-grid,
  .product-grid {
    grid-template-columns: 1fr;
  }

  .proof-strip div {
    min-height: 88px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, .12);
    padding: 18px;
  }

  .section {
    padding: 58px 0;
  }

  .product-heading {
    display: grid;
    align-items: start;
  }

  .filter-bar {
    width: 100%;
  }

  .filter-bar button {
    flex: 1 1 140px;
  }

  .spec-list li {
    display: grid;
    grid-template-columns: minmax(88px, .72fr) minmax(0, 1fr);
    align-items: start;
  }

  .spec-list strong {
    overflow-wrap: anywhere;
    text-align: left;
  }

  .hero-actions,
  .contact-actions,
  .project-form-actions,
  .button {
    width: 100%;
  }

  .product-footer,
  .product-footer-actions {
    display: grid;
    width: 100%;
    justify-content: stretch;
  }

  .project-form {
    grid-template-columns: 1fr;
    padding: 18px;
  }

  .confirmation-item {
    grid-template-columns: 1fr;
    gap: 4px;
  }

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

  .footer-cta {
    display: grid;
    width: min(100% - 34px, 1220px);
    padding: 28px 22px;
    transform: translateY(-28px);
  }

  .footer-cta strong {
    font-size: 2rem;
  }

  .footer-main {
    width: min(100% - 34px, 1060px);
    padding: 24px 0 26px;
  }

  .footer-grid,
  .footer-bottom {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    display: grid;
    margin-top: 44px;
  }
}

@media (max-width: 430px) {
  h1 {
    max-width: 320px;
    font-size: 1.82rem;
  }

  .hero-copy {
    max-width: 320px;
    font-size: .92rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button,
  .product-card,
  .reveal {
    transition: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}