:root {
  --brand: #46489a;
  --brand-dark: #22246e;
  --ink: #172033;
  --muted: #607086;
  --line: #dfe6ef;
  --soft: #f5f8fc;
  --white: #ffffff;
  --steel: #7f8b99;
  --accent: #d93832;
  --gold: #d8a642;
  --shadow: 0 20px 55px rgba(32, 43, 75, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: Arial, "Segoe UI", sans-serif;
  background: var(--white);
  overflow-x: hidden;
}

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

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

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(223, 230, 239, 0.9);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 260px;
  max-width: 320px;
}

.brand img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.brand strong {
  display: block;
  color: var(--brand-dark);
  font-size: 22px;
  line-height: 1;
}

.brand small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  max-width: 250px;
  font-size: 10.5px;
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: 0;
  text-transform: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav a {
  min-height: 42px;
  padding: 12px 8px;
  border-radius: 8px;
  color: #334155;
  font-size: 14px;
  font-weight: 700;
}

.site-nav a:hover {
  background: var(--soft);
  color: var(--brand-dark);
}

.site-nav .nav-cta {
  margin-left: 6px;
  color: var(--white);
  background: var(--brand);
}

.site-nav .nav-cta:hover {
  color: var(--white);
  background: var(--brand-dark);
}

.language-switch {
  display: inline-flex;
  overflow: hidden;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.lang-btn {
  min-width: 48px;
  min-height: 38px;
  padding: 8px 10px;
  border: 0;
  color: var(--brand-dark);
  background: transparent;
  font-weight: 800;
  cursor: pointer;
}

.lang-btn.is-active {
  color: var(--white);
  background: var(--brand);
}

.zh,
.zh-line {
  display: none !important;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 720px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, #ffffff 0%, #ffffff 42%, rgba(245, 248, 252, 0.72) 100%);
}

.promo-hero {
  min-height: 0;
  height: clamp(280px, 37.5vw, 547px);
  background: #ffffff;
}

.promo-hero .hero-carousel::before,
.promo-hero .hero-grid {
  display: none;
}

.promo-hero .hero-slide img {
  object-fit: contain;
  object-position: center;
  background: #ffffff;
}

.hero-carousel {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-carousel::before {
  position: absolute;
  inset: 0;
  z-index: 2;
  content: "";
  background:
    linear-gradient(90deg, #ffffff 0%, rgba(255, 255, 255, 0.96) 34%, rgba(255, 255, 255, 0.52) 62%, rgba(255, 255, 255, 0.18) 100%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.22), #ffffff 100%);
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 900ms ease;
}

.hero-slide.is-active {
  opacity: 1;
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-dots {
  position: absolute;
  right: max(22px, calc((100vw - 1180px) / 2));
  bottom: 28px;
  z-index: 4;
  display: flex;
  gap: 9px;
}

.hero-dot {
  width: 34px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(70, 72, 154, 0.28);
  cursor: pointer;
}

.hero-dot.is-active {
  background: var(--brand);
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 640px) minmax(280px, 360px);
  align-items: end;
  justify-content: space-between;
  min-height: 720px;
  padding: 88px 0 48px;
  gap: 48px;
}

.hero-grid > *,
.section-heading > *,
.custom-grid > *,
.quality-band > *,
.about-grid > *,
.contact-grid > * {
  min-width: 0;
}

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

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.block {
  display: block;
  margin-top: 8px;
}

.section-subtitle {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 660px;
  margin-bottom: 22px;
  color: var(--brand-dark);
  font-size: clamp(40px, 7vw, 76px);
  line-height: 0.96;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

h2 {
  margin-bottom: 16px;
  color: var(--brand-dark);
  font-size: clamp(28px, 3.6vw, 38px);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: 0;
}

.hero-lede {
  max-width: 580px;
  color: #40516a;
  font-size: 19px;
  line-height: 1.7;
}

.hero-lede.zh {
  margin-top: -8px;
  font-size: 17px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 32px 0 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 14px 22px;
  border: 0;
  border-radius: 8px;
  font-weight: 800;
  cursor: pointer;
}

.btn.primary {
  color: var(--white);
  background: var(--brand);
  box-shadow: 0 14px 28px rgba(70, 72, 154, 0.24);
}

.btn.primary:hover {
  background: var(--brand-dark);
}

.btn.secondary {
  color: var(--brand-dark);
  background: var(--white);
  border: 1px solid var(--line);
}

.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-metrics span {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.84);
}

.hero-metrics strong {
  color: var(--brand-dark);
  font-size: 20px;
}

.hero-panel {
  overflow: hidden;
  border: 1px solid rgba(223, 230, 239, 0.86);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.hero-panel img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.hero-panel div {
  padding: 20px;
}

.hero-panel strong {
  display: block;
  margin-bottom: 8px;
  color: var(--brand-dark);
}

.hero-panel p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.section {
  padding: 88px 0;
}

.company-proof {
  padding: 34px 0;
  background: var(--brand-dark);
  color: var(--white);
}

.proof-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.9fr) minmax(420px, 1.35fr);
  gap: 30px;
  align-items: center;
}

.proof-grid h2,
.proof-grid .eyebrow {
  color: var(--white);
}

.proof-grid h2 {
  max-width: 520px;
  margin-bottom: 0;
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.12;
}

.proof-intro {
  max-width: 560px;
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
  line-height: 1.55;
}

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

.proof-stats article {
  min-height: 92px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.proof-stats strong,
.proof-stats span {
  display: block;
}

.proof-stats strong {
  margin-bottom: 5px;
  font-size: 18px;
}

.proof-stats span {
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  line-height: 1.42;
}

.section-heading {
  margin-bottom: 34px;
}

.section-heading.split {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  align-items: end;
  gap: 36px;
}

.section-heading p:not(.eyebrow) {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.section-heading.centered {
  max-width: 700px;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.products-section {
  background: #ffffff;
}

.factory-section {
  background: #ffffff;
}

.factory-heading {
  text-align: left;
}

.applications-heading {
  max-width: none;
  margin-right: 0;
  margin-left: 0;
  text-align: left;
}

.factory-categories {
  display: grid;
  gap: 42px;
}

.factory-category h2 {
  margin-bottom: 18px;
  font-size: clamp(26px, 3vw, 36px);
}

.factory-image-grid {
  display: grid;
  gap: 18px;
}

.equipment-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.product-grid-factory {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.factory-image-grid img {
  width: 100%;
  aspect-ratio: 1.28 / 1;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
  box-shadow: 0 12px 32px rgba(32, 43, 75, 0.07);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.filter {
  min-height: 40px;
  padding: 9px 15px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #40516a;
  background: var(--white);
  font-weight: 800;
  cursor: pointer;
}

.filter.is-active,
.filter:hover {
  color: var(--white);
  background: var(--brand);
  border-color: var(--brand);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.product-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 32px rgba(32, 43, 75, 0.07);
}

.product-card.is-hidden {
  display: none;
}

.product-card img {
  width: 100%;
  aspect-ratio: 1.45 / 1;
  object-fit: cover;
  background: var(--soft);
}

.card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 22px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  margin-bottom: 14px;
  padding: 6px 10px;
  border-radius: 8px;
  color: var(--brand-dark);
  background: #edf0ff;
  font-size: 12px;
  font-weight: 800;
}

.card-body p {
  min-height: 84px;
  color: var(--muted);
  line-height: 1.65;
}

.card-body a {
  color: var(--brand);
  font-weight: 800;
}

.card-body > a:last-child {
  margin-top: auto;
}

.card-body h3 a {
  color: inherit;
  text-decoration: none;
}

.card-body h3 a:hover {
  color: var(--brand);
}

.catalog-hero {
  padding: 82px 0 48px;
  background: linear-gradient(135deg, #ffffff 0%, #f6f8fe 58%, #eef3fb 100%);
  border-bottom: 1px solid var(--line);
}

.catalog-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 0.72fr);
  align-items: center;
  gap: 48px;
}

.catalog-hero h1 {
  font-size: clamp(38px, 5vw, 64px);
}

.catalog-hero p:not(.eyebrow) {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
}

.catalog-hero img {
  width: 100%;
  aspect-ratio: 1.42 / 1;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.breadcrumb a {
  color: var(--brand);
}

.catalog-tools {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 32px;
}

.catalog-tools span {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: #40516a;
  font-weight: 800;
}

.manufacturer-note {
  margin-top: 26px;
  padding: 18px 20px;
  border-left: 4px solid var(--brand);
  border-radius: 8px;
  background: var(--white);
  color: #40516a;
  line-height: 1.65;
  box-shadow: 0 12px 32px rgba(32, 43, 75, 0.07);
}

.manufacturer-note strong {
  color: var(--brand-dark);
}

.catalog-section {
  padding: 76px 0;
}

.grade-section {
  padding: 70px 0;
  background: linear-gradient(180deg, #f7fbff 0%, #ffffff 100%);
  border-top: 1px solid var(--line);
}

.buying-guide-section {
  padding: 68px 0;
  background: #ffffff;
  border-top: 1px solid var(--line);
}

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

.buying-guide-grid article {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbff;
  box-shadow: 0 12px 30px rgba(32, 43, 75, 0.06);
}

.buying-guide-grid article.wide {
  grid-column: 1 / -1;
  background: var(--brand);
  color: #ffffff;
}

.buying-guide-grid h3 {
  margin: 0 0 12px;
  color: var(--brand-dark);
  font-size: 19px;
}

.buying-guide-grid article.wide h3,
.buying-guide-grid article.wide p {
  color: #ffffff;
}

.buying-guide-grid ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.55;
}

.buying-guide-grid p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 16px 40px rgba(32, 43, 75, 0.08);
}

.grade-table {
  width: 100%;
  min-width: 1080px;
  border-collapse: collapse;
  font-size: 14px;
}

.secondary-table-wrap {
  margin-top: 24px;
}

.temp-grade-table {
  min-width: 760px;
}

.grade-table th,
.grade-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.grade-table th {
  background: var(--brand);
  color: #ffffff;
  font-size: 13px;
  font-weight: 900;
  line-height: 1.35;
}

.grade-table td {
  color: var(--muted);
  line-height: 1.5;
}

.grade-table td:first-child {
  color: var(--brand-dark);
  font-weight: 900;
}

.grade-table tbody tr:nth-child(even) {
  background: #f8fbff;
}

.grade-table tbody tr:last-child td {
  border-bottom: 0;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.catalog-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 32px rgba(32, 43, 75, 0.07);
}

.catalog-card img {
  width: 100%;
  aspect-ratio: 1.2 / 1;
  object-fit: cover;
  background: var(--soft);
}

.catalog-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 22px;
}

.model-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.model-code {
  color: var(--brand-dark);
  font-size: 13px;
  font-weight: 900;
}

.catalog-card p {
  color: var(--muted);
  line-height: 1.65;
}

.shape-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 12px 0 18px;
}

.shape-gallery img {
  width: 100%;
  aspect-ratio: 1 / 0.78;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #ffffff;
  object-fit: cover;
}

.spec-list {
  display: grid;
  gap: 8px;
  margin: 8px 0 18px;
  padding: 0;
  list-style: none;
}

.spec-list li {
  display: grid;
  grid-template-columns: 94px 1fr;
  gap: 10px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.spec-list strong {
  color: var(--ink);
}

.catalog-card .btn {
  margin-top: auto;
}

.related-cats {
  padding: 56px 0 78px;
  background: var(--soft);
}

.related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.related-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: var(--brand-dark);
  font-weight: 800;
}

.applications {
  background: var(--soft);
}

.application-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.application-grid article {
  min-height: 232px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.application-grid span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 24px;
  border-radius: 8px;
  color: var(--white);
  background: var(--brand);
  font-weight: 800;
}

.application-grid p {
  color: var(--muted);
  line-height: 1.65;
}

.custom-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(460px, 1.28fr);
  align-items: center;
  gap: 34px 44px;
}

.custom-heading {
  grid-column: 1 / -1;
  max-width: none;
  margin: 0 0 4px;
  text-align: left;
}

.custom-heading h2 {
  max-width: none;
  line-height: 1.08;
}

.custom-heading .zh-line {
  margin-right: 0;
  margin-left: 0;
}

.custom-copy > p:not(.eyebrow) {
  max-width: 520px;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.65;
}

.process-list {
  display: grid;
  max-width: 520px;
  gap: 10px;
  margin-top: 22px;
}

.process-list div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.process-list strong {
  color: var(--brand-dark);
  font-size: 15px;
}

.process-list span {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.35;
}

.image-stack {
  display: grid;
  align-items: center;
}

.image-stack img {
  width: 100%;
  max-height: 420px;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.image-stack img:first-child {
  aspect-ratio: 1.24 / 1;
}

.workflow-visual {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(246, 250, 255, 0.92), rgba(255, 255, 255, 0.98)),
    var(--white);
  box-shadow: 0 16px 38px rgba(32, 43, 75, 0.09);
}

.workflow-visual img {
  display: block;
  width: 100%;
  max-height: none;
  aspect-ratio: 1916 / 821;
  border-radius: 6px;
  object-fit: contain;
  background: #ffffff;
  box-shadow: none;
}

.workflow-visual img:first-child {
  aspect-ratio: 1916 / 821;
}

.quality {
  background: var(--brand-dark);
}

.quality-band {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 1.2fr);
  gap: 42px;
  color: var(--white);
}

.quality-band h2,
.quality-band .eyebrow {
  color: var(--white);
}

.quality-points {
  display: grid;
  gap: 16px;
}

.quality-points div {
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.quality-points strong,
.quality-points span {
  display: block;
}

.quality-points strong {
  margin-bottom: 8px;
}

.quality-points span {
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.6;
}

.quality-points .zh {
  margin-top: 7px;
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 1.15fr);
  gap: 44px;
}

.about-grid p:not(.eyebrow) {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

.contact {
  background:
    linear-gradient(180deg, #ffffff 0%, #f5f8fc 100%);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(340px, 1.18fr);
  align-items: start;
  gap: 42px;
}

.contact-copy p:not(.eyebrow) {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.contact-details {
  display: grid;
  gap: 10px;
  margin-top: 26px;
}

.contact-details span {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: #40516a;
  font-weight: 700;
}

.quote-checklist {
  margin-top: 18px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 12px 30px rgba(32, 43, 75, 0.05);
}

.quote-checklist h3 {
  margin-bottom: 8px;
  font-size: 18px;
}

.quote-checklist p {
  margin-bottom: 10px;
  color: var(--muted);
  line-height: 1.55;
}

.quote-checklist ul {
  display: grid;
  gap: 7px;
  margin: 0;
  padding-left: 18px;
}

.quote-checklist li {
  color: #40516a;
  line-height: 1.5;
}

.quote-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 11px 14px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.company-website-field {
  height: 0;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
  position: absolute;
  width: 0;
}

.quote-form label {
  display: grid;
  gap: 6px;
  color: var(--ink);
  font-size: 12.5px;
  font-weight: 800;
}

.quote-form .full {
  grid-column: 1 / -1;
}

input,
select,
textarea {
  width: 100%;
  min-height: 40px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  font: inherit;
  background: #fbfdff;
}

textarea {
  min-height: 96px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(70, 72, 154, 0.18);
  border-color: var(--brand);
}

.form-note {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--brand-dark);
  font-size: 14px;
  font-weight: 700;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--white);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0;
}

.footer-inner p {
  max-width: 560px;
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.footer-copy {
  display: grid;
  justify-items: end;
  gap: 10px;
  text-align: right;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
}

.footer-links a {
  color: var(--brand-dark);
  font-size: 14px;
  font-weight: 800;
}

.static-hero {
  padding: 100px 0 60px;
  background: linear-gradient(180deg, #f6f9fe 0%, #ffffff 100%);
  border-bottom: 1px solid var(--line);
}

.static-hero h1 {
  max-width: 820px;
  font-size: clamp(36px, 5vw, 58px);
  line-height: 1.02;
}

.static-hero p:not(.eyebrow) {
  max-width: 780px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
}

.static-section {
  padding: 72px 0;
}

.static-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.content-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 32px rgba(32, 43, 75, 0.06);
}

.content-card p,
.content-card li {
  color: var(--muted);
  line-height: 1.7;
}

.content-card ul {
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
  padding-left: 20px;
}

.contact-page-details {
  display: grid;
  gap: 12px;
}

.contact-page-details a,
.site-map-links a {
  color: var(--brand-dark);
  font-weight: 800;
}

.site-map-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

@media (max-width: 980px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 76px;
    right: 20px;
    left: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    box-shadow: var(--shadow);
  }

  .language-switch {
    margin-left: auto;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav .nav-cta {
    margin-left: 0;
  }

  .hero {
    min-height: auto;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 72px 0 42px;
  }

  .hero-panel {
    max-width: 520px;
  }

  .hero-dots {
    right: 20px;
    bottom: 18px;
  }

  .section-heading.split,
  .custom-grid,
  .quality-band,
  .about-grid,
  .proof-grid,
  .factory-showcase,
  .catalog-hero-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

  .application-grid,
  .proof-stats,
  .catalog-tools,
  .catalog-grid,
  .buying-guide-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .container {
    width: min(100% - 28px, 1180px);
  }

  .header-inner {
    min-height: 68px;
  }

  .brand img {
    width: 42px;
    height: 42px;
  }

  .brand {
    min-width: 0;
    max-width: 210px;
    gap: 8px;
  }

  .brand strong {
    font-size: 19px;
  }

  .brand small {
    max-width: 150px;
    font-size: 9px;
    line-height: 1.14;
  }

  .site-nav {
    top: 68px;
    right: 14px;
    left: 14px;
  }

  .hero-grid {
    padding-top: 54px;
  }

  h1 {
    max-width: 100%;
    font-size: 36px;
    line-height: 1.04;
  }

  .zh-line {
    font-size: 17px;
  }

  .hero-lede {
    font-size: 17px;
    overflow-wrap: anywhere;
  }

  .hero-lede.zh {
    font-size: 16px;
  }

  .hero-actions,
  .hero-metrics {
    flex-direction: column;
  }

  .btn,
  .hero-metrics span {
    width: 100%;
  }

  .section {
    padding: 64px 0;
  }

  .product-grid,
  .application-grid,
  .proof-stats,
  .catalog-tools,
  .catalog-grid,
  .buying-guide-grid,
  .static-grid,
  .site-map-links,
  .quote-form {
    grid-template-columns: 1fr;
  }

  .process-list div {
    grid-template-columns: 1fr;
  }

  .image-stack {
    grid-template-columns: 1fr;
  }

  .equipment-grid,
  .product-grid-factory {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-copy {
    justify-items: start;
    text-align: left;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-device-width: 500px) {
  .container {
    width: calc(100vw - 28px);
    max-width: 362px;
    margin-right: 14px;
    margin-left: 14px;
  }

  .hero-grid,
  .section-heading.split,
  .custom-grid,
  .quality-band,
  .about-grid,
  .proof-grid,
  .catalog-hero-grid,
  .buying-guide-grid,
  .contact-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-copy,
  .hero-lede,
  h1 {
    max-width: 100%;
  }
}