:root {
  --ink: #17212b;
  --muted: #5f6f7f;
  --line: #dbe3ea;
  --soft: #f4f7f8;
  --paper: #ffffff;
  --blue: #0d4f72;
  --blue-dark: #093247;
  --copper: #b96f2c;
  --green: #2d6f5d;
  --shadow: 0 18px 50px rgba(12, 35, 52, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  background: var(--paper);
  line-height: 1.6;
  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;
}

.topbar {
  background: var(--blue-dark);
  color: rgba(255, 255, 255, 0.86);
  font-size: 13px;
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 0;
}

.topbar-inner span {
  min-width: 0;
  overflow-wrap: anywhere;
  word-break: break-all;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 1px 0 rgba(17, 32, 46, 0.1);
  backdrop-filter: blur(12px);
}

.nav {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 78px;
}

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

.brand-mark {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  background: white;
  border: 1px solid rgba(13, 79, 114, 0.16);
  border-radius: 4px;
  overflow: hidden;
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 20px;
  line-height: 1.1;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
  margin-top: 3px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  color: #314252;
  font-size: 15px;
  padding: 10px 12px;
  border-radius: 6px;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--blue);
  background: #eaf3f5;
}

.menu-button {
  display: none;
  border: 1px solid var(--line);
  background: white;
  border-radius: 6px;
  padding: 8px 12px;
  color: var(--ink);
  margin-left: auto;
}

.hero {
  position: relative;
  min-height: 680px;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: white;
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

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

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(5, 25, 38, 0.84) 0%, rgba(5, 25, 38, 0.48) 43%, rgba(5, 25, 38, 0.08) 100%),
    linear-gradient(0deg, rgba(5, 25, 38, 0.18), rgba(5, 25, 38, 0.02));
}

.hero-content {
  position: relative;
  padding: 120px 0 150px;
}

.hero h1 {
  max-width: 700px;
  margin: 14px 0 20px;
  font-size: clamp(40px, 5vw, 66px);
  line-height: 1.05;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.hero-copy {
  max-width: 650px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 20px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--copper);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #f0b06e;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 11px 18px;
  border-radius: 6px;
  border: 1px solid transparent;
  font-weight: 700;
  cursor: pointer;
}

.primary {
  color: white;
  background: var(--copper);
}

.secondary {
  color: var(--blue);
  background: white;
  border-color: var(--line);
}

.ghost {
  color: white;
  border-color: rgba(255, 255, 255, 0.7);
}

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

.quick-strip {
  margin-top: -70px;
  position: relative;
  z-index: 4;
}

.strip-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: white;
  box-shadow: var(--shadow);
}

.strip-grid div {
  padding: 26px;
  border-right: 1px solid var(--line);
}

.strip-grid div:last-child {
  border-right: 0;
}

.strip-grid span {
  color: var(--copper);
  font-weight: 800;
}

.strip-grid strong {
  display: block;
  margin: 8px 0 6px;
  font-size: 18px;
}

.strip-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding: 92px 0;
}

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

.split {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 50px;
}

.split > *,
.feature-split > * {
  min-width: 0;
}

.split h2,
.section-heading h2,
.feature-split h2,
.cta-content h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.15;
  overflow-wrap: anywhere;
}

.lead {
  color: var(--muted);
  font-size: 18px;
  margin: 16px 0 0;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 36px;
}

.product-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 12px 30px rgba(20, 40, 55, 0.06);
}

.product-card img {
  width: 100%;
  aspect-ratio: 1.45;
  object-fit: cover;
}

.product-card img[src$=".svg"] {
  object-fit: contain;
  padding: 12px;
  background: #f4f8fb;
}

.product-card img[src*="evidence-"],
.product-card img[src*="self-developed-enameling-machine-features"],
.detail-card img[src*="evidence-"] {
  object-fit: contain;
  padding: 18px;
  background: #ffffff;
}

.detail-card img[src*="tensile-strength-curves"] {
  aspect-ratio: 1.15;
  object-fit: contain;
  padding: 8px;
  background: #ffffff;
}

.products-grid .product-card img {
  object-fit: cover;
  padding: 0;
}

.products-grid .product-card img[src$=".svg"] {
  object-fit: contain;
  padding: 12px;
  background: #071321;
}

.products-grid .product-card img[src*="evidence-diameter-tension"] {
  object-fit: contain;
  padding: 18px;
  background: #ffffff;
}

.product-card div {
  padding: 24px;
}

.card-kicker {
  margin: 0 0 6px;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.product-card h3,
.process-step h3 {
  margin: 0 0 8px;
  font-size: 22px;
}

.product-card p,
.process-step p,
.capability-grid p,
.industry-grid p,
.values-grid p {
  color: var(--muted);
}

.section-heading {
  text-align: center;
  max-width: 760px;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 38px;
}

.process-step {
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
}

.process-step span,
.capability-grid span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: white;
  background: var(--blue);
  border-radius: 50%;
  font-weight: 800;
  margin-bottom: 18px;
}

.feature-split {
  align-items: center;
}

.feature-image img {
  width: 100%;
  min-width: 420px;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.equipment-split {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 58px;
  align-items: center;
}

.equipment-split > :first-child {
  max-width: 560px;
}

.equipment-split .feature-image img {
  min-width: 0;
  height: min(46vw, 540px);
  min-height: 430px;
  object-fit: cover;
  object-position: center;
}

.factory-proof {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 54px;
  align-items: center;
}

.factory-proof .feature-image img {
  min-width: 0;
  height: 520px;
  object-fit: cover;
}

.factory-proof-copy {
  display: flex;
  min-height: 520px;
  flex-direction: column;
  justify-content: center;
}

.check-list {
  margin: 24px 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 26px;
  margin: 11px 0;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 10px;
  background: var(--copper);
  border-radius: 50%;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  margin-top: 34px;
}

.app-grid a {
  display: grid;
  place-items: center;
  min-height: 110px;
  padding: 18px;
  color: white;
  background: var(--blue);
  border-radius: 8px;
  text-align: center;
  font-weight: 800;
}

.app-grid a:nth-child(2n) {
  background: var(--green);
}

.app-grid a:nth-child(3n) {
  background: var(--copper);
}

.cta-panel {
  padding-top: 0;
}

.cta-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  padding: 48px;
  color: white;
  background: var(--blue-dark);
  border-radius: 8px;
}

.cta-content p {
  color: rgba(255, 255, 255, 0.78);
}

.page-hero {
  color: white;
  background: var(--blue-dark);
  padding: 110px 0;
}

.page-hero.compact {
  background:
    linear-gradient(135deg, rgba(9, 50, 71, 0.96), rgba(45, 111, 93, 0.88)),
    var(--blue-dark);
}

.page-hero h1 {
  margin: 0 0 14px;
  font-size: clamp(40px, 5vw, 68px);
  line-height: 1.08;
}

.page-hero p {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 19px;
}

.image-hero {
  position: relative;
  overflow: hidden;
}

.image-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(5, 25, 38, 0.86), rgba(5, 25, 38, 0.35));
}

.image-hero .container {
  position: relative;
  z-index: 1;
}

.product-list {
  display: grid;
  gap: 30px;
}

.detail-card {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 34px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
  background: white;
}

.detail-card.reverse img {
  order: 2;
}

.detail-card img {
  width: 100%;
  aspect-ratio: 1.35;
  object-fit: cover;
  border-radius: 6px;
}

.feature-image.evidence-image img,
.evidence-grid img[src*="evidence-"] {
  object-fit: contain;
  padding: 18px;
  background: #ffffff;
}

.quality-proof-split {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: 42px;
  align-items: center;
}

.quality-visual-stack {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.quality-visual-stack figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(20, 40, 55, 0.06);
}

.quality-visual-stack img {
  display: block;
  width: 100%;
  object-fit: contain;
  background: #ffffff;
  cursor: zoom-in;
}

.quality-visual-main img {
  aspect-ratio: 2.05;
  padding: 14px;
}

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

.quality-chart-grid img {
  aspect-ratio: 1.32;
  padding: 8px;
}

.quality-visual-stack figcaption {
  position: absolute;
  left: 10px;
  bottom: 10px;
  padding: 5px 8px;
  color: white;
  background: rgba(5, 25, 38, 0.72);
  border-radius: 4px;
  font-size: 13px;
  font-weight: 800;
}

.detail-card h2 {
  margin: 0 0 10px;
  font-size: 34px;
}

.spec-list,
.contact-list {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
}

.spec-list div,
.contact-list div {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 14px;
}

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

dd {
  margin: 0;
  color: var(--muted);
}

.capability-grid,
.industry-grid,
.values-grid,
.document-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.capability-grid article,
.industry-grid article,
.values-grid article,
.document-grid div {
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 30px;
}

.industry-grid {
  grid-template-columns: repeat(3, 1fr);
}

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

.compact-documents {
  grid-template-columns: repeat(2, 1fr);
}

.table-wrap {
  margin-top: 32px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

.spec-table {
  width: 100%;
  min-width: 860px;
  border-collapse: collapse;
  font-size: 15px;
}

.spec-table th,
.spec-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  white-space: nowrap;
}

.spec-table th {
  color: var(--blue);
  background: #eef5f7;
  font-weight: 800;
}

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

.contact-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 34px;
  align-items: start;
}

.contact-card,
.quote-form {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  padding: 32px;
}

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

.quote-form label {
  display: grid;
  gap: 8px;
  color: #2c3d4d;
  font-weight: 700;
}

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

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px 13px;
  color: var(--ink);
  font: inherit;
}

textarea {
  resize: vertical;
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.form-note.success {
  color: var(--green);
  font-weight: 700;
}

.site-footer {
  color: rgba(255, 255, 255, 0.82);
  background: #0a2738;
  padding: 58px 0 26px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 34px;
}

.footer-brand strong {
  color: white;
}

.site-footer h2 {
  color: white;
  margin: 0 0 12px;
  font-size: 16px;
}

.site-footer a {
  display: block;
  margin: 8px 0;
  color: rgba(255, 255, 255, 0.76);
}

.site-footer p,
.footer-bottom {
  color: rgba(255, 255, 255, 0.62);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 13px;
}

.footer-bottom a {
  display: inline;
  margin: 0;
  color: inherit;
}

.advantage-grid,
.range-grid,
.data-grid,
.evidence-grid {
  display: grid;
  gap: 22px;
  margin-top: 36px;
}

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

.advantage-grid article {
  min-height: 230px;
  padding: 28px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.advantage-grid span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 18px;
  color: white;
  background: var(--blue);
  border-radius: 50%;
  font-weight: 800;
}

.advantage-grid h3 {
  margin: 0 0 10px;
  font-size: 21px;
}

.advantage-grid p,
.range-grid p,
.mini-list span,
.structure-points span,
.contact-note {
  color: var(--muted);
}

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

.range-grid div,
.data-grid div {
  padding: 24px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.range-grid strong,
.data-grid strong {
  display: block;
  color: var(--blue);
  font-size: 26px;
  line-height: 1.1;
}

.range-grid span,
.data-grid span {
  display: block;
  margin-top: 8px;
  color: var(--copper);
  font-weight: 800;
}

.range-grid p {
  margin: 12px 0 0;
}

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

.compact-data {
  grid-template-columns: repeat(2, 1fr);
  margin-top: 28px;
}

.compact-data strong {
  display: flex;
  align-items: baseline;
  gap: 6px;
  white-space: nowrap;
}

.data-grid .metric-number,
.data-grid .metric-unit {
  display: inline;
  margin-top: 0;
  color: var(--blue);
}

.data-grid .metric-number {
  font-size: 30px;
}

.data-grid .metric-unit {
  font-size: 15px;
}

.data-grid .metric-label {
  display: block;
  margin-top: 8px;
  color: var(--copper);
}

.space-split {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  gap: 50px;
  align-items: center;
}

.space-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.space-gallery figure {
  position: relative;
  min-width: 0;
  margin: 0;
  overflow: hidden;
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.space-gallery img {
  display: block;
  width: 100%;
  aspect-ratio: 1.35;
  cursor: zoom-in;
  object-fit: cover;
}

.space-gallery figcaption {
  position: absolute;
  left: 10px;
  bottom: 10px;
  padding: 5px 8px;
  color: white;
  background: rgba(5, 25, 38, 0.72);
  border-radius: 4px;
  font-size: 13px;
  font-weight: 800;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 28px;
  background: rgba(4, 15, 24, 0.88);
}

.lightbox.open {
  display: flex;
}

.lightbox-inner {
  position: relative;
  width: min(1200px, 94vw);
  max-height: 90vh;
}

.lightbox img {
  display: block;
  width: 100%;
  max-height: 82vh;
  object-fit: contain;
  background: white;
  border-radius: 8px;
}

.lightbox-caption {
  margin-top: 10px;
  color: white;
  font-weight: 800;
  text-align: center;
}

.lightbox-close {
  position: absolute;
  top: -14px;
  right: -14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: white;
  background: rgba(5, 25, 38, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  cursor: pointer;
  font-size: 22px;
  line-height: 1;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.tag-list a {
  padding: 10px 14px;
  color: var(--blue);
  background: #eaf3f5;
  border: 1px solid #c8dce6;
  border-radius: 999px;
  font-weight: 800;
}

.no-shadow img {
  box-shadow: none;
  border: 1px solid var(--line);
  background: white;
}

.structure-section {
  padding: 74px 0;
}

.structure-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 44px;
  align-items: center;
}

.structure-panel .feature-image img {
  min-width: 0;
  width: 100%;
  max-height: 340px;
  object-fit: contain;
  padding: 20px;
}

.structure-copy {
  max-width: 620px;
}

.structure-copy h2 {
  margin: 0;
  font-size: clamp(32px, 3.6vw, 48px);
  line-height: 1.12;
}

.structure-copy .lead {
  max-width: 600px;
}

.structure-points,
.mini-list {
  display: grid;
  gap: 14px;
}

.workflow-panel {
  display: grid;
  gap: 34px;
}

.workflow-copy {
  max-width: 820px;
}

.workflow-copy h2 {
  margin: 0;
  font-size: clamp(32px, 3.8vw, 52px);
  line-height: 1.12;
}

.workflow-content {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.92fr);
  gap: 30px;
  align-items: stretch;
}

.workflow-visual img {
  display: block;
  min-width: 0;
  width: 100%;
  height: 100%;
  min-height: 360px;
  padding: 18px;
  object-fit: contain;
}

.workflow-content .mini-list {
  align-content: stretch;
}

.workflow-content .mini-list div {
  min-height: 0;
}

.structure-points {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 24px;
}

.structure-points div,
.mini-list div {
  padding: 18px 20px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.structure-points strong,
.mini-list strong {
  display: block;
  margin-bottom: 4px;
  color: var(--blue);
  font-size: 18px;
}

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

.evidence-grid article {
  overflow: hidden;
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(20, 40, 55, 0.06);
}

.evidence-grid img {
  width: 100%;
  aspect-ratio: 1.7;
  object-fit: cover;
  background: #061826;
}

.evidence-grid img[src*="evidence-awards-certificates-v2"],
.evidence-grid img[src*="evidence-patent-certificates"] {
  object-fit: contain;
  padding: 14px;
  background: #ffffff;
}

.evidence-grid img[data-lightbox] {
  cursor: zoom-in;
}

.evidence-grid div {
  padding: 24px;
}

.evidence-grid h3 {
  margin: 0 0 8px;
  font-size: 23px;
}

.evidence-grid p {
  margin: 0;
  color: var(--muted);
}

.about-evidence-wall {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(360px, 0.75fr);
  gap: 28px;
  margin-top: 36px;
  align-items: stretch;
}

.about-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.about-gallery figure,
.about-proof-side article {
  margin: 0;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(20, 40, 55, 0.06);
}

.about-gallery img {
  display: block;
  width: 100%;
  aspect-ratio: 1.35;
  object-fit: cover;
  background: #eef4f5;
}

.about-gallery figcaption {
  padding: 12px 14px;
  font-weight: 900;
  color: var(--ink);
}

.about-proof-side {
  display: grid;
  gap: 16px;
}

.about-proof-side img {
  display: block;
  width: 100%;
  aspect-ratio: 1.7;
  object-fit: contain;
  padding: 14px;
  background: #ffffff;
}

.about-proof-side div {
  padding: 18px 20px 20px;
}

.about-proof-side h3 {
  margin: 0 0 8px;
  font-size: 22px;
}

.about-proof-side p {
  margin: 0;
  color: var(--muted);
}

.about-evidence-wall img[data-lightbox] {
  cursor: zoom-in;
}

.evidence-image img {
  background: #061826;
  object-fit: contain;
}

.metric-wall {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 36px;
}

.metric-wall h2 {
  color: var(--blue);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 38px;
}

.timeline div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 18px;
  align-items: start;
  padding: 22px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.timeline time {
  color: var(--copper);
  font-size: 22px;
  font-weight: 800;
  line-height: 1.1;
}

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

.contact-note {
  margin-top: 24px;
  padding: 16px;
  background: #f4f7f8;
  border-left: 4px solid var(--copper);
  border-radius: 4px;
}

@media (max-width: 980px) {
  .strip-grid,
  .card-grid,
  .process-grid,
  .app-grid,
  .industry-grid,
  .document-grid,
  .advantage-grid,
  .range-grid,
  .data-grid,
  .evidence-grid,
  .metric-wall,
  .timeline,
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .split,
  .cta-content {
    align-items: start;
    flex-direction: column;
  }

  .feature-image img {
    min-width: 0;
  }

  .quality-visual-stack {
    min-width: 0;
    width: 100%;
  }

  .quality-proof-split {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .detail-card,
  .contact-layout,
  .factory-proof {
    grid-template-columns: 1fr;
  }

  .structure-panel {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .workflow-content {
    grid-template-columns: 1fr;
  }

  .workflow-visual img {
    height: auto;
    min-height: 0;
  }

  .equipment-split {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .space-split {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .about-evidence-wall {
    grid-template-columns: 1fr;
  }

  .equipment-split > :first-child {
    max-width: none;
  }

  .equipment-split .feature-image img {
    height: auto;
    min-height: 0;
    aspect-ratio: 1.55;
  }

  .structure-panel .feature-image img {
    max-height: 360px;
  }

  .structure-copy {
    max-width: none;
  }

  .factory-proof .feature-image img,
  .factory-proof-copy {
    min-height: 0;
    height: auto;
  }

  .detail-card.reverse img {
    order: 0;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(100% - 28px, 1180px);
  }

  .topbar-inner {
    flex-direction: column;
    gap: 2px;
    font-size: 12px;
    line-height: 1.45;
  }

  .nav {
    min-height: 68px;
  }

  .brand-mark {
    width: 44px;
    height: 44px;
  }

  .menu-button {
    display: inline-flex;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
  }

  .nav-links {
    position: absolute;
    left: 14px;
    right: 14px;
    top: 100%;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
    background: white;
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: flex;
  }

  .hero {
    min-height: 620px;
  }

  .hero-content {
    padding: 86px 0 126px;
  }

  .hero-copy,
  .lead,
  .page-hero p {
    font-size: 16px;
  }

  .hero .eyebrow,
  .hero-copy {
    max-width: 340px;
    overflow-wrap: anywhere;
  }

  .hero h1 {
    max-width: 340px;
    font-size: 38px;
    line-height: 1.12;
  }

  .quick-strip {
    margin-top: -44px;
  }

  .strip-grid,
  .card-grid,
  .process-grid,
  .app-grid,
  .capability-grid,
  .industry-grid,
  .values-grid,
  .document-grid,
  .advantage-grid,
  .range-grid,
  .data-grid,
  .structure-points,
  .compact-data,
  .evidence-grid,
  .metric-wall,
  .timeline,
  .quote-form,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .timeline div {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .about-gallery {
    grid-template-columns: 1fr;
  }

  .strip-grid div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .section {
    padding: 64px 0;
  }

  .page-hero {
    padding: 78px 0;
  }

  .detail-card,
  .contact-card,
  .quote-form,
  .cta-content {
    padding: 22px;
  }

  .spec-list div,
  .contact-list div {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .footer-bottom {
    flex-direction: column;
  }
}