:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --surface-soft: #eef2f5;
  --ink: #111a24;
  --ink-soft: #5b6878;
  --line: #d7dee6;
  --accent: #006d77;
  --accent-dark: #0d3b4a;
  --max: 1200px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

body {
  font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

img,
video {
  max-width: 100%;
}

a {
  color: inherit;
}

.topbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1rem, 3vw, 2.8rem);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(17, 26, 36, 0.08);
  backdrop-filter: blur(10px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  text-decoration: none;
}

.brand-mark {
  width: 2.2rem;
  height: 2.2rem;
  display: grid;
  place-items: center;
  border-radius: 0.5rem;
  background: var(--accent-dark);
  color: #fff;
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand-text {
  display: block;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 1rem;
  line-height: 1.1;
}

.brand small {
  display: block;
  margin-top: 0.08rem;
  color: var(--ink-soft);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.desktop-nav {
  display: inline-flex;
  gap: clamp(0.9rem, 2vw, 1.5rem);
}

.desktop-nav a {
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.92rem;
  font-weight: 700;
}

.desktop-nav a:hover,
.desktop-nav a.active {
  color: var(--ink);
}

.menu-btn {
  width: 2.35rem;
  height: 2.35rem;
  display: none;
  place-items: center;
  border-radius: 999px;
  border: 1px solid rgba(17, 26, 36, 0.14);
  background: #fff;
}

.menu-btn span {
  display: block;
  width: 1rem;
  height: 2px;
  margin: 2px 0;
  background: var(--ink);
  transition: transform 0.2s ease;
}

.menu-btn.is-open span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.menu-btn.is-open span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  inset: 72px 0 auto;
  z-index: 40;
  display: grid;
  gap: 0.45rem;
  padding: 0.85rem 1rem 1rem;
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--line);
  transform: translateY(-120%);
  transition: transform 0.25s ease;
}

.mobile-menu.is-open {
  transform: translateY(0);
}

.mobile-menu a {
  text-decoration: none;
  font-weight: 700;
  padding: 0.25rem 0;
}

main,
.sub-main {
  padding-top: 72px;
}

.hero,
.section,
.detail-hero,
.contact-band,
.footer,
.stats-band {
  width: min(var(--max), calc(100% - 2.4rem));
  margin-left: auto;
  margin-right: auto;
}

.hero,
.detail-hero {
  padding: clamp(3rem, 7vw, 5.5rem) 0;
}

.hero-home,
.hero-sub,
.detail-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr);
  gap: clamp(1.5rem, 4vw, 3.25rem);
  align-items: center;
}

.hero-copy-block,
.detail-hero-body,
.hero-media-block,
.detail-hero-media {
  opacity: 0;
  transform: translateY(18px);
}

body.is-loaded .hero-copy-block,
body.is-loaded .detail-hero-body,
body.is-loaded .hero-media-block,
body.is-loaded .detail-hero-media {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.eyebrow {
  margin: 0 0 0.7rem;
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Noto Sans SC", sans-serif;
  line-height: 1.18;
}

h1 {
  font-size: 3.75rem;
  max-width: 12ch;
}

h2 {
  font-size: 2.35rem;
}

.hero-text,
.section-intro,
.summary-block p,
.summary-block li,
.case-card-body p,
.contact-band p,
.product-row-body p {
  color: var(--ink-soft);
}

.hero-text {
  margin: 1rem 0 0;
  max-width: 52ch;
}

.hero-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0.8rem 1.35rem;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent-dark);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

.hero-frame,
.detail-hero-media {
  background: var(--surface);
  border: 1px solid var(--line);
}

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

.stats-band {
  margin-top: -0.5rem;
  padding-bottom: 1rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stats-grid article {
  padding: 1rem 0.8rem;
  border-right: 1px solid var(--line);
}

.stats-grid article:last-child {
  border-right: 0;
}

.stats-grid p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.84rem;
}

.stats-grid strong {
  display: block;
  margin-top: 0.22rem;
  font-size: 1rem;
}

.section {
  padding: clamp(3.2rem, 7vw, 5.4rem) 0;
  border-top: 1px solid rgba(17, 26, 36, 0.05);
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.6rem;
}

.clean-head .section-intro {
  max-width: 34rem;
  margin: 0;
}

.text-link {
  color: var(--accent-dark);
  text-decoration: none;
  font-weight: 700;
  white-space: nowrap;
}

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

.solution-item {
  padding: 1.3rem 1.1rem 1.45rem;
  background: var(--surface);
}

.solution-item h3 {
  font-size: 1.08rem;
}

.solution-item p {
  margin: 0.7rem 0 0;
  color: var(--ink-soft);
}

.product-stack {
  display: grid;
  gap: 1rem;
}

.product-row {
  display: grid;
  grid-template-columns: minmax(240px, 340px) minmax(0, 1fr);
  gap: 1.5rem;
  align-items: center;
  padding: 1.15rem;
  background: var(--surface);
  border: 1px solid var(--line);
}

.product-row-media {
  display: block;
  text-decoration: none;
}

.product-row-media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  object-fit: cover;
}

.product-row-tag {
  margin: 0 0 0.45rem;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.product-row-body h3 {
  font-size: 1.22rem;
}

.product-row-body h3 a {
  text-decoration: none;
}

.product-row-body p {
  margin: 0.55rem 0 0;
}

.product-row-note {
  font-size: 0.88rem;
}

.product-row-facts {
  display: grid;
  gap: 0.38rem;
  margin: 0.85rem 0 0;
  padding: 0;
  list-style: none;
}

.product-row-facts li {
  position: relative;
  padding-left: 0.85rem;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.product-row-facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 999px;
  background: var(--accent);
}

.case-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.9fr;
  gap: 1rem;
}

.case-card {
  background: var(--surface);
  border: 1px solid var(--line);
}

.case-card-media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  object-fit: cover;
}

.case-card-body {
  padding: 1rem 1rem 1.1rem;
}

.case-type {
  margin: 0;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.case-card-body h3 {
  margin-top: 0.45rem;
  font-size: 1.18rem;
}

.case-card-body p {
  margin-top: 0.6rem;
}

.contact-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 340px);
  gap: 2rem;
  align-items: start;
  padding: clamp(3rem, 6vw, 4.5rem) 0;
  border-top: 1px solid var(--line);
}

.contact-band h2 {
  max-width: 14ch;
}

.contact-band p {
  margin: 0.75rem 0 0;
}

.contact-actions {
  padding: 1rem;
  border: 1px solid var(--line);
  background: var(--surface);
}

.contact-actions p {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  margin: 0 0 0.8rem;
}

.contact-actions strong {
  color: var(--ink);
}

.detail-hero {
  padding-bottom: 2.5rem;
}

.breadcrumb {
  margin: 0 0 0.9rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.breadcrumb a {
  color: var(--accent-dark);
  text-decoration: none;
}

.detail-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.summary-block {
  padding: 1.2rem;
  border: 1px solid var(--line);
  background: var(--surface);
}

.summary-block h3 {
  font-size: 1.08rem;
}

.summary-block p,
.summary-block ul,
.summary-block ol {
  margin: 0.75rem 0 0;
}

.summary-block ul,
.summary-block ol {
  padding-left: 1.15rem;
}

.detail-media-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.75fr);
  gap: 1rem;
}

.video-feature,
.media-still {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--line);
}

.video-feature video {
  width: 100%;
  display: block;
  background: #0e1722;
}

.video-feature figcaption {
  padding: 0.8rem 1rem 0.95rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.media-column {
  display: grid;
  gap: 1rem;
}

.media-still img {
  width: 100%;
  aspect-ratio: 16 / 10;
  display: block;
  object-fit: cover;
}

.media-still video {
  width: 100%;
  aspect-ratio: 16 / 10;
  display: block;
  object-fit: cover;
  background: #0e1722;
}

.todo-clean {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

.todo-clean p {
  margin: 0;
  padding: 1rem;
  background: var(--surface);
  color: var(--ink-soft);
}

.industry-header {
  margin-bottom: 1.8rem;
  text-align: center;
}

.industry-title {
  margin: 0;
  display: inline-block;
  position: relative;
  font-family: "Noto Sans SC", sans-serif;
  font-size: 2.65rem;
  font-weight: 900;
  line-height: 1.1;
}

.industry-title::after {
  content: "";
  position: absolute;
  left: 0.2rem;
  right: 0.2rem;
  bottom: -0.3rem;
  height: 0.38rem;
  background: var(--accent);
}

.industry-subtitle {
  margin: 0.9rem 0 0;
  color: #9aa5b2;
  font-size: 1.08rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
}

.industry-card {
  display: block;
  text-decoration: none;
  background: var(--surface);
  border: 1px solid var(--line);
}

.industry-card-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  display: block;
  object-fit: cover;
}

.industry-card-body {
  padding: 1rem 1rem 1.15rem;
  text-align: center;
}

.industry-card-body h3 {
  font-size: 1rem;
}

.industry-card-body p {
  margin: 0.65rem 0 0;
  color: var(--ink);
  font-size: 0.92rem;
}

.page-2d,
.page-logistics,
.page-xray {
  --accent: #f57c00;
  --accent-dark: #252b33;
  background: #f7f7f7;
}

.page-3d {
  --accent: #4b63ff;
  --accent-dark: #15214e;
  background: #f4f7fb;
}

.page-safety {
  --accent: #ff6b35;
  --accent-dark: #20242b;
  background: #f7f7f7;
}

.hero-vision {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 2rem;
  align-items: center;
  padding: clamp(3.2rem, 7vw, 5.2rem) 0 2.2rem;
}

.vision-hero-media,
.vision-hero-body {
  opacity: 0;
  transform: translateY(18px);
}

body.is-loaded .vision-hero-media,
body.is-loaded .vision-hero-body {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.vision-hero-media {
  background: var(--surface);
  border: 1px solid var(--line);
}

.vision-hero-media img {
  width: 100%;
  display: block;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.vision-meta {
  margin-top: 1.1rem;
  display: grid;
  gap: 0.6rem;
}

.vision-meta p {
  margin: 0;
  display: grid;
  gap: 0.15rem;
}

.vision-meta strong {
  font-size: 0.86rem;
  color: var(--ink);
}

.vision-meta span {
  color: var(--ink-soft);
}

.page-anchor-bar {
  width: min(var(--max), calc(100% - 2.4rem));
  margin: 0 auto;
  display: flex;
  gap: 1.6rem;
  padding: 0.9rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.page-anchor-bar a {
  text-decoration: none;
  color: var(--ink-soft);
  font-weight: 700;
}

.page-anchor-bar a:hover {
  color: var(--ink);
}

.overview-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(0, 1fr);
  gap: 1.2rem;
  margin-bottom: 1.2rem;
}

.overview-image {
  border: 1px solid var(--line);
  background: var(--surface);
}

.overview-image img {
  width: 100%;
  display: block;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.overview-content {
  display: grid;
  gap: 1rem;
}

.overview-item {
  padding: 1.1rem;
  border: 1px solid var(--line);
  background: var(--surface);
}

.overview-item h3 {
  font-size: 1.04rem;
}

.overview-item p {
  margin: 0.65rem 0 0;
  color: var(--ink-soft);
}

.vision-spec-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.vision-spec-grid article {
  padding: 1rem 1rem 1.1rem;
  border: 1px solid var(--line);
  background: var(--surface);
}

.vision-spec-grid h3 {
  font-size: 1rem;
}

.vision-spec-grid p {
  margin: 0.55rem 0 0;
  color: var(--ink-soft);
}

.section-industries {
  background: #fff;
  padding-left: 1.2rem;
  padding-right: 1.2rem;
}

.capability-grid,
.advantage-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.capability-card,
.advantage-card {
  padding: 1.15rem 1.15rem 1.2rem;
  border: 1px solid var(--line);
  background: var(--surface);
}

.capability-card h3,
.advantage-card h3 {
  font-size: 1.06rem;
}

.capability-card p,
.advantage-card p {
  margin: 0.68rem 0 0;
  color: var(--ink-soft);
}

.system-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.92fr) minmax(0, 1fr);
  gap: 1rem;
}

.system-visual {
  border: 1px solid var(--line);
  background: var(--surface);
}

.system-visual img {
  width: 100%;
  display: block;
  aspect-ratio: 16 / 12;
  object-fit: cover;
}

.system-stack {
  display: grid;
  gap: 0.9rem;
}

.system-item {
  padding: 1rem 1rem 1.05rem;
  border: 1px solid var(--line);
  background: var(--surface);
}

.system-item h3 {
  font-size: 1rem;
}

.system-item p {
  margin: 0.58rem 0 0;
  color: var(--ink-soft);
}

.principle-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.principle-flow article,
.stability-card {
  padding: 1.1rem 1.1rem 1.15rem;
  border: 1px solid var(--line);
  background: var(--surface);
}

.principle-flow h3,
.stability-card h3 {
  font-size: 1rem;
}

.principle-flow p,
.stability-card p {
  margin: 0.65rem 0 0;
  color: var(--ink-soft);
}

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

.page-case {
  background: #f6f7f9;
}

.case-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.case-facts article {
  padding: 1rem 1rem 1.1rem;
  border: 1px solid var(--line);
  background: var(--surface);
}

.case-facts h3 {
  font-size: 1rem;
}

.case-facts p {
  margin: 0.55rem 0 0;
  color: var(--ink-soft);
}

.case-story-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.story-card {
  padding: 1.2rem;
  border: 1px solid var(--line);
  background: var(--surface);
}

.story-card h2 {
  font-size: 1.2rem;
}

.story-card p,
.story-card ul {
  margin: 0.75rem 0 0;
  color: var(--ink-soft);
}

.story-card ul {
  padding-left: 1.15rem;
}

.case-solution {
  padding: 1.25rem;
  border: 1px solid var(--line);
  background: var(--surface);
}

.case-solution p {
  margin: 0;
  color: var(--ink-soft);
}

.footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1.4rem 0 2rem;
  color: var(--ink-soft);
  font-size: 0.84rem;
  border-top: 1px solid var(--line);
}

.footer p {
  margin: 0;
}

.footer a {
  color: var(--accent-dark);
  text-decoration: none;
}

.footer-note {
  width: 100%;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 0.35rem;
  color: var(--ink-soft);
}

.footer-note a {
  color: var(--ink-soft);
}

.footer-links {
  width: 100%;
  display: flex;
  gap: 1rem 1.4rem;
  flex-wrap: wrap;
  padding-top: 0.15rem;
  font-size: 0.82rem;
}

.footer-links a {
  color: var(--ink-soft);
  text-decoration: none;
}

.footer-links a:hover,
.footer-links a[aria-current="page"] {
  color: var(--accent-dark);
}

.page-home h1,
.page-solutions h1,
.page-cases h1,
.page-knowledge h1 {
  padding: 0;
  border: 0;
  background: transparent;
}

.desktop-nav {
  gap: clamp(0.65rem, 1.2vw, 1.05rem);
}

.desktop-nav a {
  white-space: nowrap;
}

.knowledge-strip {
  padding: clamp(2.4rem, 5vw, 4.5rem) 0;
}

.knowledge-grid,
.workflow-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

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

.knowledge-card,
.workflow-grid article,
.solution-hub-card,
.featured-case,
.video-card,
.article-row,
.next-panel {
  border: 1px solid var(--line);
  background: var(--surface);
}

.knowledge-card {
  min-height: 220px;
  display: grid;
  align-content: start;
  gap: 0.75rem;
  padding: 1.25rem;
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.knowledge-card:hover,
.solution-hub-card:hover,
.featured-case:hover,
.video-card:hover,
.article-row:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 109, 119, 0.25);
  box-shadow: 0 18px 40px rgba(17, 26, 36, 0.08);
}

.knowledge-card span,
.solution-hub-card span,
.featured-case span,
.video-card span,
.article-row > span {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.knowledge-card h3,
.solution-hub-card h3,
.featured-case h3,
.video-card h3,
.article-row h3 {
  font-size: 1.18rem;
}

.knowledge-card p,
.workflow-grid p,
.solution-hub-card p,
.featured-case p,
.video-card p,
.article-row p,
.next-panel p {
  margin: 0;
  color: var(--ink-soft);
}

.solution-hub-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.solution-hub-card {
  display: grid;
  grid-template-columns: minmax(190px, 0.72fr) minmax(0, 1fr);
  gap: 1rem;
  padding: 1rem;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.solution-hub-card img,
.featured-case img,
.video-card img {
  width: 100%;
  height: 100%;
  min-height: 210px;
  display: block;
  object-fit: cover;
}

.solution-hub-card div,
.featured-case div,
.video-card div {
  display: grid;
  align-content: start;
  gap: 0.65rem;
}

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

.workflow-grid article {
  padding: 1.15rem;
}

.workflow-grid span {
  display: inline-block;
  margin-bottom: 0.75rem;
  color: var(--accent);
  font-weight: 800;
}

.delivery-doc-grid,
.case-reading-guide {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.delivery-doc-grid article,
.case-reading-guide article {
  min-height: 168px;
  padding: 1.15rem;
  background: var(--surface);
}

.delivery-doc-grid span {
  display: inline-block;
  margin-bottom: 0.75rem;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.delivery-doc-grid h3,
.case-reading-guide h3 {
  font-size: 1.05rem;
}

.delivery-doc-grid p,
.case-reading-guide p {
  margin: 0.6rem 0 0;
  color: var(--ink-soft);
}

.case-reading-guide {
  margin: 0 0 1rem;
}

.featured-case-grid,
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.featured-case,
.video-card {
  display: grid;
  text-decoration: none;
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.featured-case div,
.video-card div {
  padding: 1rem;
}

.featured-case-grid .featured-case {
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
}

.featured-case-grid .featured-case img {
  min-height: clamp(220px, 23vw, 320px);
  aspect-ratio: 16 / 10;
}

.featured-case-grid .featured-case div {
  padding: 1rem;
}

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

.case-directory {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.case-directory article {
  display: grid;
  align-content: start;
  gap: 0.65rem;
  padding: 1.2rem;
  border: 1px solid var(--line);
  background: var(--surface);
}

.case-directory h3 {
  margin-bottom: 0.2rem;
  font-size: 1.08rem;
}

.case-directory a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
}

.case-directory a:hover {
  color: var(--accent-dark);
}

.article-list {
  display: grid;
  gap: 0.85rem;
}

.article-row {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  padding: 1.1rem 1.2rem;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.article-row div {
  display: grid;
  gap: 0.35rem;
}

.article-docs {
  display: grid;
  gap: 1.1rem;
}

.article-doc {
  display: grid;
  gap: 0.75rem;
  padding: clamp(1.2rem, 3vw, 1.7rem);
  border: 1px solid var(--line);
  background: var(--surface);
}

.article-doc > span {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.article-doc h3 {
  font-size: clamp(1.2rem, 2.2vw, 1.55rem);
}

.article-doc p,
.article-doc li {
  color: var(--ink-soft);
  line-height: 1.8;
}

.article-doc ul {
  margin: 0.15rem 0 0;
  padding-left: 1.15rem;
}

.resource-anchor-bar {
  position: sticky;
  z-index: 4;
  top: 72px;
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto clamp(1.4rem, 3vw, 2rem);
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  padding: 0.8rem 0;
  background: rgba(244, 247, 250, 0.92);
  backdrop-filter: blur(14px);
}

.resource-anchor-bar a {
  min-height: 2.45rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 800;
  text-decoration: none;
}

.resource-anchor-bar a:hover {
  border-color: rgba(0, 109, 119, 0.3);
  color: var(--accent-dark);
}

.resource-lanes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.resource-lane {
  min-height: 330px;
  display: grid;
  align-content: start;
  gap: 0.85rem;
  padding: clamp(1.15rem, 2.2vw, 1.55rem);
  background: var(--surface);
  color: inherit;
  text-decoration: none;
}

.resource-lane-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid rgba(0, 109, 119, 0.14);
  background: #eef4f6;
}

.resource-lane span,
.official-report-card span {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.resource-lane h3 {
  font-size: 1.2rem;
}

.resource-lane p,
.resource-lane li,
.official-report-card p {
  color: var(--ink-soft);
  line-height: 1.75;
}

.resource-lane ul {
  margin: 0.1rem 0 0;
  padding-left: 1.1rem;
}

.article-visual-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-bottom: clamp(1.1rem, 2.5vw, 1.55rem);
  border: 1px solid var(--line);
  background: var(--line);
}

.article-visual-grid figure {
  display: grid;
  gap: 0;
  margin: 0;
  background: var(--surface);
}

.article-visual-grid img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: #f8fafb;
}

.article-visual-grid figcaption {
  padding: 0.75rem 0.9rem 0.85rem;
  color: var(--ink-soft);
  font-size: 0.88rem;
  line-height: 1.55;
}

.knowledge-article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.knowledge-article-card {
  display: grid;
  gap: 0.75rem;
  padding: clamp(1rem, 2vw, 1.25rem);
  background: var(--surface);
  color: inherit;
  text-decoration: none;
}

.knowledge-article-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #f8fafb;
}

.knowledge-article-card span,
.article-review-list span,
.article-part-list span {
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.knowledge-article-card h3 {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

.knowledge-article-card p,
.article-part-list p,
.article-review-list p {
  color: var(--ink-soft);
  line-height: 1.75;
}

.industry-article-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.78fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.industry-diagram {
  position: sticky;
  top: 104px;
  border: 1px solid var(--line);
  background: #f8fafb;
}

.industry-diagram img {
  width: 100%;
  display: block;
}

.industry-diagram figcaption {
  padding: 0.85rem 1rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.6;
}

.article-part-list,
.article-review-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.article-part-list article,
.article-review-list article {
  display: grid;
  gap: 0.55rem;
  padding: clamp(1rem, 2vw, 1.25rem);
  background: var(--surface);
}

.article-part-list h3,
.article-review-list h3 {
  font-size: 1.05rem;
}

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

.technical-category-grid,
.technical-card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

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

.technical-category-card,
.technical-card {
  min-width: 0;
  display: grid;
  align-content: start;
  gap: 0.72rem;
  padding: clamp(1rem, 2vw, 1.28rem);
  background: var(--surface);
  color: inherit;
  text-decoration: none;
}

.technical-category-card img,
.technical-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border: 1px solid rgba(0, 109, 119, 0.12);
  background: #f8fafb;
}

.technical-category-card span,
.technical-card span,
.technical-keywords span {
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.technical-category-card h3,
.technical-card h3 {
  font-size: clamp(1.05rem, 1.7vw, 1.25rem);
  line-height: 1.42;
}

.technical-category-card p,
.technical-card p,
.technical-card small {
  color: var(--ink-soft);
  line-height: 1.7;
}

.technical-card small {
  align-self: end;
  font-size: 0.86rem;
}

.technical-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.15rem 0 1.5rem;
}

.technical-keywords span {
  display: inline-flex;
  min-height: 2rem;
  align-items: center;
  padding: 0.28rem 0.72rem;
  border: 1px solid rgba(0, 109, 119, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.74);
  color: var(--ink);
  letter-spacing: 0;
  text-transform: none;
}

.technical-reference-section {
  border-top: 1px solid var(--line);
}

.source-list {
  display: grid;
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.source-list li {
  display: grid;
  gap: 0.32rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink-soft);
  line-height: 1.65;
}

.source-list strong {
  color: var(--accent-dark);
}

.source-list a {
  color: var(--ink);
  font-weight: 800;
}

.source-list span {
  color: var(--ink-soft);
}

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

.official-report-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(1rem, 3vw, 2rem);
  align-items: center;
  padding: clamp(1.25rem, 3vw, 1.8rem);
  border: 1px solid var(--line);
  background: var(--surface);
}

.official-report-card h3 {
  margin: 0.55rem 0 0.65rem;
  font-size: clamp(1.25rem, 2vw, 1.65rem);
}

.official-report-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.media-report-panel {
  min-height: 320px;
  display: grid;
  gap: 1px;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--line);
}

.media-report-panel div {
  display: grid;
  gap: 0.45rem;
  padding: clamp(1rem, 2vw, 1.35rem);
  background: var(--surface);
}

.media-report-panel span {
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.media-report-panel strong {
  font-size: clamp(1.05rem, 1.8vw, 1.28rem);
}

.next-panel {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: clamp(1.25rem, 3vw, 1.8rem);
}

.next-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.vision-poster {
  position: relative;
  min-height: clamp(620px, calc(100svh - 72px), 860px);
  display: grid;
  align-items: end;
  margin-bottom: 2rem;
  overflow: hidden;
  background: #0d1218;
}

.vision-poster-media,
.vision-poster-shade {
  position: absolute;
  inset: 0;
}

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

.vision-poster-shade {
  background:
    linear-gradient(90deg, rgba(8, 12, 18, 0.92) 0%, rgba(8, 12, 18, 0.75) 38%, rgba(8, 12, 18, 0.2) 100%),
    linear-gradient(180deg, rgba(8, 12, 18, 0.08) 0%, rgba(8, 12, 18, 0.82) 100%);
}

.vision-poster-inner {
  position: relative;
  z-index: 1;
  width: min(var(--max), calc(100% - 2.4rem));
  margin: 0 auto;
  padding: clamp(5rem, 8vw, 7rem) 0 clamp(2rem, 4vw, 3rem);
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(320px, 0.72fr);
  gap: clamp(1.4rem, 3vw, 2rem);
  align-items: end;
}

.vision-poster-copy,
.vision-poster-panel {
  opacity: 0;
  transform: translateY(18px);
}

body.is-loaded .vision-poster-copy,
body.is-loaded .vision-poster-panel {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.vision-poster-copy {
  max-width: 42rem;
}

.vision-poster .breadcrumb,
.vision-poster .hero-text {
  color: rgba(255, 255, 255, 0.78);
}

.vision-poster .breadcrumb a {
  color: #fff;
}

.vision-poster h1 {
  max-width: 12ch;
  color: #fff;
}

.poster-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.35rem;
}

.poster-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 2.2rem;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 0.86rem;
  font-weight: 700;
}

.vision-poster-panel {
  padding: 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(10, 16, 23, 0.54);
  backdrop-filter: blur(12px);
  color: #fff;
}

.vision-panel-kicker {
  margin: 0 0 1rem;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.poster-matrix {
  display: grid;
  gap: 0.7rem;
}

.poster-matrix article {
  padding: 0.9rem 0.95rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
}

.poster-matrix strong {
  display: block;
  font-size: 0.88rem;
}

.poster-matrix p {
  margin: 0.35rem 0 0;
  color: rgba(255, 255, 255, 0.72);
}

.poster-proof {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.poster-proof li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.8rem;
  align-items: start;
}

.poster-proof span {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: rgba(245, 124, 0, 0.14);
  color: #ffab4d;
  font-size: 0.84rem;
  font-weight: 800;
}

.poster-proof p {
  margin: 0;
  color: rgba(255, 255, 255, 0.75);
}

.page-2d .page-anchor-bar,
.page-logistics .page-anchor-bar,
.page-xray .page-anchor-bar,
.page-3d .page-anchor-bar,
.page-safety .page-anchor-bar {
  position: sticky;
  top: 72px;
  z-index: 20;
  justify-content: center;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
}

.page-logistics .vision-poster-shade {
  background:
    linear-gradient(90deg, rgba(8, 12, 18, 0.92) 0%, rgba(8, 12, 18, 0.74) 45%, rgba(8, 12, 18, 0.2) 100%),
    linear-gradient(180deg, rgba(8, 12, 18, 0.12) 0%, rgba(8, 12, 18, 0.78) 100%);
}

.page-xray .vision-poster-shade {
  background:
    linear-gradient(90deg, rgba(8, 12, 18, 0.9) 0%, rgba(8, 12, 18, 0.72) 40%, rgba(8, 12, 18, 0.18) 100%),
    linear-gradient(180deg, rgba(8, 12, 18, 0.1) 0%, rgba(8, 12, 18, 0.8) 100%);
}

.page-3d .vision-poster-shade {
  background:
    linear-gradient(90deg, rgba(9, 15, 34, 0.92) 0%, rgba(9, 15, 34, 0.76) 42%, rgba(9, 15, 34, 0.22) 100%),
    linear-gradient(180deg, rgba(9, 15, 34, 0.08) 0%, rgba(9, 15, 34, 0.8) 100%);
}

.page-safety .vision-poster-shade {
  background:
    linear-gradient(90deg, rgba(15, 18, 23, 0.92) 0%, rgba(15, 18, 23, 0.78) 40%, rgba(15, 18, 23, 0.2) 100%),
    linear-gradient(180deg, rgba(15, 18, 23, 0.06) 0%, rgba(15, 18, 23, 0.78) 100%);
}

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

.capability-rail-item {
  padding: 1.35rem 1.15rem 1.4rem;
  background: var(--surface);
}

.capability-number {
  display: inline-block;
  margin-bottom: 0.8rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.capability-rail-item h3 {
  font-size: 1.08rem;
}

.capability-rail-item p {
  margin: 0.65rem 0 0;
  color: var(--ink-soft);
}

.capability-rail-item ul {
  margin: 0.95rem 0 0;
  padding-left: 1.05rem;
  color: var(--ink);
}

.capability-rail-item li + li {
  margin-top: 0.3rem;
}

.software-architecture {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.software-layer,
.software-note {
  padding: 1.1rem 1.1rem 1.15rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
}

.software-layer span {
  display: inline-block;
  margin-bottom: 0.75rem;
  color: #ffab4d;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.software-layer h3,
.software-note h3 {
  font-size: 1rem;
}

.software-layer p,
.software-note p {
  margin: 0.62rem 0 0;
  color: rgba(255, 255, 255, 0.72);
}

.software-notes {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.section-dark {
  position: relative;
  color: #fff;
  border-top: 0;
}

.section-dark::before {
  content: "";
  position: absolute;
  inset: 0 -100vw;
  z-index: -1;
  background:
    radial-gradient(circle at 18% 18%, rgba(245, 124, 0, 0.14), transparent 36%),
    linear-gradient(180deg, #111722 0%, #0b1118 100%);
}

.section-dark .section-intro,
.section-dark p {
  color: rgba(255, 255, 255, 0.72);
}

.section-dark .eyebrow {
  color: #ff9d3f;
}

.principle-stage {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(320px, 0.82fr);
  gap: 1rem;
  align-items: start;
}

.principle-diagram {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  padding: 1.2rem;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0.03) 100%);
}

.principle-track {
  position: absolute;
  left: 1.6rem;
  right: 1.6rem;
  top: 3.1rem;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 157, 63, 0.08) 0%, rgba(255, 157, 63, 0.6) 35%, rgba(255, 157, 63, 0.08) 100%);
}

.principle-step,
.principle-note {
  position: relative;
  padding: 1rem 1rem 1.05rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
}

.principle-step span,
.proof-item span {
  display: inline-block;
  margin-bottom: 0.7rem;
  color: #ffab4d;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.principle-step h3,
.principle-note h3 {
  font-size: 1rem;
}

.principle-step p,
.principle-note p {
  margin: 0.62rem 0 0;
}

.principle-notes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.system-blueprint-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
  gap: 1rem;
  align-items: stretch;
}

.system-blueprint {
  position: relative;
  min-height: 500px;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at center, rgba(245, 124, 0, 0.09), transparent 34%),
    linear-gradient(180deg, #111722 0%, #0e141c 100%);
}

.system-blueprint::before,
.system-blueprint::after {
  content: "";
  position: absolute;
  inset: 0;
}

.system-blueprint::before {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.42), rgba(0, 0, 0, 0.08));
}

.system-blueprint::after {
  background:
    radial-gradient(circle, transparent 39%, rgba(255, 255, 255, 0.08) 39.4%, transparent 40.1%),
    radial-gradient(circle, transparent 56%, rgba(255, 255, 255, 0.05) 56.4%, transparent 57.1%);
  background-position: center;
  background-repeat: no-repeat;
}

.system-core,
.system-node {
  position: absolute;
  z-index: 1;
}

.system-core {
  left: 50%;
  top: 50%;
  width: min(44%, 270px);
  padding: 1.15rem 1rem 1.2rem;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  transform: translate(-50%, -50%);
}

.system-core span {
  display: block;
  color: #ffab4d;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.system-core strong {
  display: block;
  margin-top: 0.4rem;
  font-family: "Noto Sans SC", sans-serif;
  font-size: 1.45rem;
}

.system-core p {
  margin: 0.55rem 0 0;
  color: rgba(255, 255, 255, 0.72);
}

.system-node {
  min-width: 124px;
  padding: 0.78rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  font-weight: 700;
  text-align: center;
}

.node-camera {
  left: 50%;
  top: 10%;
  transform: translateX(-50%);
}

.node-lens {
  left: 9%;
  top: 32%;
}

.node-light {
  left: 18%;
  bottom: 14%;
}

.node-software {
  right: 8%;
  top: 28%;
}

.node-integration {
  right: 15%;
  bottom: 16%;
}

.system-copy {
  display: grid;
  gap: 1rem;
}

.system-copy-item {
  padding: 1.05rem 1.05rem 1.1rem;
  border: 1px solid var(--line);
  background: var(--surface);
}

.system-copy-item h3 {
  font-size: 1rem;
}

.system-copy-item p {
  margin: 0.58rem 0 0;
  color: var(--ink-soft);
}

.proof-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.96fr);
  gap: 1rem;
  align-items: stretch;
}

.proof-layout-text {
  grid-template-columns: 1fr;
}

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

.proof-item {
  padding: 1.15rem 1.15rem 1.2rem;
  border: 1px solid var(--line);
  background: var(--surface);
}

.proof-item h3 {
  font-size: 1.04rem;
}

.proof-item p {
  margin: 0.62rem 0 0;
  color: var(--ink-soft);
}

.proof-media {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 1rem;
}

.proof-media figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--surface);
}

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

.proof-media-main img {
  height: 100%;
  min-height: 100%;
  aspect-ratio: 16 / 12;
}

.proof-media-main figcaption,
.proof-media-stack figcaption {
  padding: 0.8rem 0.9rem 0.9rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.proof-media-stack {
  display: grid;
  gap: 1rem;
}

.proof-media-stack img {
  aspect-ratio: 1 / 1;
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
}

.scenario-card {
  background: var(--surface);
  border: 1px solid var(--line);
  overflow: hidden;
}

.scenario-card-media img {
  width: 100%;
  display: block;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.scenario-card-body {
  padding: 1rem 1rem 1.1rem;
}

.scenario-tag {
  display: inline-block;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.scenario-card-body h3 {
  margin-top: 0.5rem;
  font-size: 1.05rem;
}

.scenario-card-body p {
  margin: 0.62rem 0 0;
  color: var(--ink-soft);
}

.industries-intro {
  max-width: 44rem;
  margin: 1rem auto 0;
  color: var(--ink-soft);
}

.featured-case {
  display: grid;
  grid-template-columns: minmax(320px, 1.02fr) minmax(0, 1fr);
  gap: 1rem;
  margin: 0 0 1.4rem;
  overflow: hidden;
  text-decoration: none;
  background: var(--surface);
  border: 1px solid var(--line);
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.featured-case:hover {
  transform: translateY(-3px);
  border-color: rgba(245, 124, 0, 0.45);
  box-shadow: 0 18px 38px rgba(17, 26, 36, 0.08);
}

.featured-case-media img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  display: block;
  object-fit: cover;
}

.featured-case-body {
  display: grid;
  align-content: center;
  gap: 0.8rem;
  padding: clamp(1.2rem, 2vw, 1.6rem);
}

.featured-case-body h3 {
  font-size: 1.7rem;
}

.featured-case-body p {
  margin: 0;
  color: var(--ink-soft);
}

.featured-case-points {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.featured-case-points span {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--ink);
  font-size: 0.84rem;
  font-weight: 700;
}

.featured-case-grid .featured-case {
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
  align-content: start;
}

.featured-case-grid .featured-case > img {
  width: 100%;
  height: auto;
  min-height: clamp(220px, 23vw, 320px);
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.featured-case-grid .featured-case > div {
  display: grid;
  align-content: start;
  gap: 0.65rem;
  padding: 1rem;
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
}

.partner-card {
  display: grid;
  place-items: center;
  min-height: 132px;
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--line);
}

.partner-card img {
  max-width: 100%;
  max-height: 76px;
  width: auto;
  height: auto;
  object-fit: contain;
}

.partner-note {
  margin: 1rem auto 0;
  max-width: 44rem;
  text-align: center;
  color: var(--ink-soft);
}

.industry-card {
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.industry-card:hover {
  transform: translateY(-3px);
  border-color: rgba(245, 124, 0, 0.45);
  box-shadow: 0 18px 38px rgba(17, 26, 36, 0.08);
}

.industry-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.8rem;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 800;
}

.industry-card-cta::after {
  content: "→";
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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

@media (max-width: 1080px) {
  .vision-poster {
    min-height: auto;
  }

  .vision-poster-inner,
  .principle-stage,
  .system-blueprint-wrap,
  .proof-layout,
  .proof-media,
  .featured-case {
    grid-template-columns: 1fr;
  }

  .capability-rail,
  .principle-diagram,
  .principle-notes,
  .proof-matrix,
  .software-architecture,
  .software-notes,
  .scenario-grid,
  .partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .system-core {
    width: min(56%, 280px);
  }

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

  .case-grid,
  .contact-band,
  .detail-media-layout {
    grid-template-columns: 1fr;
  }

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

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

  .hero-vision,
  .overview-layout,
  .vision-spec-grid,
  .case-facts,
  .case-story-grid,
  .capability-grid,
  .advantage-grid,
  .system-layout,
  .principle-flow,
  .stability-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .hero-home,
  .hero-sub,
  .detail-hero {
    grid-template-columns: 1fr;
  }

  .stats-grid,
  .detail-summary {
    grid-template-columns: 1fr 1fr;
  }

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

@media (max-width: 760px) {
  .topbar {
    height: 64px;
  }

  main,
  .sub-main {
    padding-top: 64px;
  }

  .desktop-nav {
    display: none;
  }

  .menu-btn {
    display: grid;
  }

  .mobile-menu {
    inset: 64px 0 auto;
  }

  h1 {
    max-width: none;
    font-size: 2.35rem;
  }

  .section-head {
    align-items: start;
    flex-direction: column;
  }

  .stats-grid,
  .solution-grid,
  .detail-summary,
  .todo-clean {
    grid-template-columns: 1fr;
  }

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

  .stats-grid article:last-child {
    border-bottom: 0;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .page-anchor-bar {
    flex-wrap: wrap;
    gap: 0.9rem 1.3rem;
  }

  .vision-poster-inner {
    width: min(var(--max), calc(100% - 1.25rem));
    padding-top: 4.8rem;
  }

  .vision-poster h1 {
    max-width: none;
  }

  .page-2d .page-anchor-bar,
  .page-logistics .page-anchor-bar,
  .page-xray .page-anchor-bar,
  .page-3d .page-anchor-bar,
  .page-safety .page-anchor-bar {
    top: 64px;
    justify-content: flex-start;
  }

  .capability-rail,
  .principle-diagram,
  .principle-notes,
  .proof-matrix,
  .proof-media-stack,
  .software-architecture,
  .software-notes,
  .scenario-grid,
  .partner-grid {
    grid-template-columns: 1fr;
  }

  .featured-case-media img {
    min-height: 0;
    aspect-ratio: 16 / 10;
  }

  .principle-track {
    display: none;
  }

  .system-blueprint {
    min-height: auto;
    display: grid;
    gap: 0.85rem;
    padding: 1rem;
  }

  .system-core,
  .system-node {
    position: static;
    width: auto;
    min-width: 0;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}


.partner-callout {
  padding: 1.6rem 1.8rem;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(17, 26, 36, 0.03), rgba(17, 26, 36, 0.01));
}

.partner-callout p {
  margin: 0;
  max-width: 48rem;
  color: var(--ink-soft);
}

.partner-callout .hero-actions {
  margin-top: 1.2rem;
}

.partner-hero-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.partner-hero-card {
  display: grid;
  place-items: center;
  min-height: 124px;
  padding: 1rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
}

.partner-hero-card img {
  max-width: 100%;
  max-height: 68px;
  width: auto;
  height: auto;
  object-fit: contain;
}


/* xray-doc-modules */
.page-xray .proof-media {
  grid-template-columns: minmax(0, 1fr) 260px;
}

.page-xray .proof-media-main img,
.page-xray .proof-media-stack img {
  height: auto;
  min-height: 0;
  aspect-ratio: auto;
  object-fit: contain;
  background: #fff;
}

.xray-doc-figure,
.xray-sheet {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--surface);
}

.xray-doc-figure img,
.xray-sheet img {
  width: 100%;
  display: block;
  background: #fff;
}

.xray-doc-figure figcaption,
.xray-sheet figcaption {
  padding: 0.9rem 1rem 1rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.xray-sheet-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

@media (max-width: 900px) {
  .xray-sheet-grid {
    grid-template-columns: 1fr;
  }
}


/* refined-home-heroes */
.hero-proof-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1.1rem;
  margin: 1.2rem 0 0;
  padding: 0;
  list-style: none;
}

.hero-proof-list li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 700;
}

.hero-proof-list li::before {
  content: "";
  width: 0.48rem;
  height: 0.48rem;
  border-radius: 999px;
  background: var(--accent);
  flex: 0 0 auto;
}

.page-home .hero-frame,
.hero-sub .hero-frame {
  overflow: hidden;
  border-radius: 1rem;
  box-shadow: 0 28px 58px rgba(17, 26, 36, 0.14);
}

.page-home .hero-frame img,
.hero-sub .hero-frame img {
  aspect-ratio: 16 / 10;
}

@media (max-width: 760px) {
  .hero-proof-list {
    display: grid;
    gap: 0.55rem;
  }
}


/* refined-home-mid */
.section-intro-wide {
  max-width: 46rem;
  margin: -0.2rem 0 1.4rem;
}

.section-solution-stage {
  border-top: 0;
}

.solution-stage {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1fr);
  gap: 1rem;
  padding: clamp(1.25rem, 2vw, 1.6rem);
  border-radius: 1rem;
  background:
    linear-gradient(135deg, #0f1723 0%, #111f31 55%, #173548 100%);
  color: #fff;
  overflow: hidden;
}

.solution-stage-copy {
  display: grid;
  align-content: start;
  gap: 0.9rem;
}

.solution-stage .eyebrow,
.solution-stage .text-link,
.solution-stage .section-intro,
.solution-stage .solution-item p,
.solution-stage .solution-item small {
  color: rgba(255, 255, 255, 0.78);
}

.solution-stage h2,
.solution-stage .solution-item h3 {
  color: #fff;
}

.solution-stage .solution-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, 0.12);
}

.solution-stage .solution-item {
  min-height: 188px;
  display: grid;
  align-content: start;
  gap: 0.7rem;
  background: rgba(8, 12, 18, 0.38);
}

.solution-stage .solution-item p,
.solution-stage .solution-item small {
  margin: 0;
}

.solution-index {
  display: inline-block;
  color: rgba(255, 255, 255, 0.48);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.solution-stage .solution-item small {
  font-size: 0.82rem;
  font-weight: 700;
}

.product-row {
  border-radius: 1rem;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.product-row:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 109, 119, 0.24);
  box-shadow: 0 18px 38px rgba(17, 26, 36, 0.08);
}

.product-row-media img {
  border-radius: 0.9rem;
}

.product-row-body {
  display: grid;
  align-content: center;
}

.case-grid-home {
  grid-template-columns: minmax(0, 1.18fr) minmax(320px, 0.82fr);
  align-items: stretch;
}

.case-stage-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.2rem;
  align-items: end;
  margin: -0.2rem 0 1.5rem;
}

.case-stage-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: flex-end;
}

.case-stage-proof span {
  display: inline-flex;
  align-items: center;
  min-height: 2.1rem;
  padding: 0 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(17, 26, 36, 0.1);
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.case-stage-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(320px, 0.84fr);
  gap: 1rem;
  align-items: stretch;
}

.case-feature-panel,
.case-side-item {
  text-decoration: none;
  border: 1px solid var(--line);
  background: var(--surface);
  overflow: hidden;
}

.case-feature-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(280px, 0.84fr);
  min-height: 100%;
  border-radius: 1rem;
}

.case-feature-media,
.case-side-media {
  overflow: hidden;
  background: var(--surface-alt);
}

.case-feature-media img,
.case-side-media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform 0.32s ease;
}

.case-feature-media img {
  aspect-ratio: 16 / 11;
}

.case-feature-copy {
  display: grid;
  align-content: center;
  gap: 0.9rem;
  padding: clamp(1.3rem, 2.2vw, 1.75rem);
}

.case-feature-copy h3,
.case-side-copy h3 {
  margin: 0;
}

.case-feature-copy p,
.case-side-copy p {
  margin: 0;
}

.case-feature-copy h3 {
  font-size: 1.65rem;
  line-height: 1.15;
}

.case-feature-points {
  display: grid;
  gap: 0.55rem;
  margin: 0.2rem 0 0;
  padding: 0;
  list-style: none;
}

.case-feature-points li {
  position: relative;
  padding-left: 1rem;
  color: var(--ink-soft);
  font-size: 0.94rem;
}

.case-feature-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.56rem;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 999px;
  background: var(--accent);
}

.case-side-rail {
  display: grid;
  gap: 1rem;
}

.case-side-item {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  min-height: 238px;
  border-radius: 1rem;
}

.case-side-copy {
  display: grid;
  align-content: center;
  gap: 0.7rem;
  padding: 1.15rem 1.15rem 1.2rem;
}

.case-side-copy h3 {
  font-size: 1.18rem;
  line-height: 1.18;
}

.case-stack {
  display: grid;
  gap: 1rem;
}

.case-link {
  display: block;
  text-decoration: none;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.case-link:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 38px rgba(17, 26, 36, 0.08);
  border-color: rgba(245, 124, 0, 0.38);
}

.case-card {
  overflow: hidden;
  border-radius: 1rem;
}

.case-feature-panel:hover,
.case-side-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 42px rgba(17, 26, 36, 0.09);
  border-color: rgba(245, 124, 0, 0.34);
}

.case-feature-panel:hover .case-feature-media img,
.case-side-item:hover .case-side-media img {
  transform: scale(1.04);
}

.case-stack .case-card-body {
  padding-bottom: 1.15rem;
}

.case-card-body .text-link {
  display: inline-flex;
  margin-top: 0.8rem;
}

.contact-checklist {
  display: grid;
  gap: 0.65rem;
  margin: 1.15rem 0 0;
  padding: 0;
  list-style: none;
}

.contact-checklist li {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 700;
}

.contact-checklist li::before {
  content: "";
  width: 0.46rem;
  height: 0.46rem;
  border-radius: 999px;
  background: var(--accent);
  flex: 0 0 auto;
}

.contact-actions {
  border-radius: 1rem;
  box-shadow: 0 22px 48px rgba(17, 26, 36, 0.08);
}

.contact-band {
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.88fr);
  gap: 1rem;
  align-items: stretch;
}

.contact-copy-stage {
  position: relative;
  display: grid;
  align-content: start;
  gap: 0.95rem;
  padding: clamp(1.4rem, 2.5vw, 1.9rem);
  border-radius: 1rem;
  background: linear-gradient(138deg, #0f1723 0%, #102234 54%, #15394b 100%);
  overflow: hidden;
}

.contact-copy-stage::after {
  content: "";
  position: absolute;
  inset: auto -8% -38% auto;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}

.contact-copy-stage .eyebrow,
.contact-copy-stage p,
.contact-copy-stage .contact-step p {
  color: rgba(255, 255, 255, 0.76);
}

.contact-copy-stage h2,
.contact-copy-stage .contact-step h3 {
  color: #fff;
}

.contact-copy-stage h2 {
  max-width: 11.5ch;
  margin: 0;
}

.contact-copy-stage p {
  margin: 0;
  max-width: 46ch;
}

.contact-steps {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 0.4rem;
  background: rgba(255, 255, 255, 0.12);
}

.contact-step {
  min-height: 146px;
  padding: 1rem;
  background: rgba(9, 14, 20, 0.28);
  display: grid;
  align-content: start;
  gap: 0.55rem;
}

.project-intake-list {
  position: relative;
  z-index: 1;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.13);
  background: rgba(9, 14, 20, 0.2);
}

.project-intake-list h3 {
  margin: 0;
  color: #fff;
  font-size: 1rem;
}

.project-intake-list ul {
  display: grid;
  gap: 0.5rem;
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
}

.project-intake-list li {
  position: relative;
  padding-left: 0.95rem;
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.9rem;
  line-height: 1.75;
}

.project-intake-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.34rem;
  height: 0.34rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.58);
}

.contact-step span {
  color: rgba(255, 255, 255, 0.44);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.contact-step h3,
.contact-panel-head h3 {
  margin: 0;
}

.contact-step p {
  font-size: 0.9rem;
}

.contact-panel {
  display: grid;
  align-content: start;
  gap: 1rem;
  padding: 1.3rem;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(245, 248, 251, 0.96));
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.contact-panel:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 50px rgba(17, 26, 36, 0.11);
  border-color: rgba(0, 109, 119, 0.18);
}

.contact-panel-head {
  display: grid;
  gap: 0.35rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--line);
}

.contact-panel-head .eyebrow {
  margin: 0;
}

.contact-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.contact-meta-item {
  display: grid;
  gap: 0.18rem;
}

.contact-meta-label {
  color: var(--ink-soft);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-meta-value {
  color: var(--ink);
  font-size: 0.96rem;
  font-weight: 700;
  line-height: 1.45;
}

.contact-meta-value a {
  color: inherit;
  text-decoration: none;
}

.contact-meta-item-wide {
  grid-column: 1 / -1;
}

.contact-panel .contact-checklist {
  margin: 0;
}

.contact-panel .btn {
  width: 100%;
  justify-content: center;
}

.contact-note {
  margin: 0;
  font-size: 0.9rem;
}

.contact-legal {
  margin: 0.8rem 0 0;
  color: var(--ink-soft);
  font-size: 0.84rem;
  line-height: 1.7;
}

.contact-legal a {
  color: var(--accent-dark);
  text-decoration: none;
}

.policy-list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--ink-soft);
}

.policy-list li + li {
  margin-top: 0.5rem;
}

.about-hero .detail-hero-media img {
  min-height: 100%;
  object-fit: cover;
}

.stats-grid-text strong {
  line-height: 1.45;
}

.about-grid,
.delivery-grid,
.about-contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.about-panel,
.about-contact-card {
  padding: 1.2rem 1.2rem 1.25rem;
  border: 1px solid var(--line);
  background: var(--surface);
}

.about-panel p,
.about-contact-card li {
  color: var(--ink-soft);
}

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

.business-card {
  padding: 1.3rem 1.2rem 1.35rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
}

.business-card span,
.delivery-step span {
  display: inline-block;
  margin-bottom: 0.8rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.section-dark .business-card span {
  color: #ffb35c;
}

.business-card p {
  margin: 0.65rem 0 0;
  color: rgba(255, 255, 255, 0.72);
}

.delivery-step {
  padding: 1.2rem 1.15rem 1.25rem;
  border: 1px solid var(--line);
  background: #f6f7f9;
}

.delivery-step p {
  margin: 0.6rem 0 0;
  color: var(--ink-soft);
}

.about-contact-card ul {
  margin: 0;
  padding-left: 1.1rem;
}

.about-contact-card li + li {
  margin-top: 0.55rem;
}

.about-contact-card a {
  color: var(--accent-dark);
  text-decoration: none;
}

@media (max-width: 900px) {
  .solution-stage,
  .case-grid-home,
  .case-stage-layout,
  .contact-band,
  .case-stage-intro,
  .solution-hub-grid,
  .case-directory,
  .delivery-doc-grid,
  .case-reading-guide,
  .video-grid,
  .resource-lanes,
  .knowledge-article-grid,
  .technical-category-grid,
  .technical-card-grid,
  .technical-related-grid,
  .article-visual-grid,
  .industry-article-hero,
  .article-part-list,
  .article-review-list,
  .article-docs-compact {
    grid-template-columns: 1fr;
  }

  .knowledge-grid,
  .featured-case-grid,
  .workflow-grid {
    grid-template-columns: 1fr 1fr;
  }

  .solution-stage .solution-grid {
    grid-template-columns: 1fr 1fr;
  }

  .case-stage-proof {
    justify-content: flex-start;
  }

  .case-feature-panel {
    grid-template-columns: 1fr;
  }

  .contact-steps {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .about-grid,
  .business-grid,
  .delivery-grid,
  .about-contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 1100px) {
  .desktop-nav {
    display: none;
  }

  .menu-btn {
    display: grid;
  }
}

@media (max-width: 760px) {
  .solution-stage .solution-grid,
  .case-stack,
  .knowledge-grid,
  .featured-case-grid,
  .workflow-grid {
    grid-template-columns: 1fr;
  }

  .resource-anchor-bar {
    top: 64px;
    width: min(var(--max), calc(100% - 1.25rem));
    gap: 0.5rem;
    padding: 0.65rem 0;
  }

  .resource-anchor-bar a {
    flex: 1 1 calc(50% - 0.5rem);
    min-width: 8.8rem;
    padding-inline: 0.7rem;
    font-size: 0.84rem;
  }

  .resource-lane {
    min-height: auto;
  }

  .industry-diagram {
    position: static;
  }

  .official-report-card {
    grid-template-columns: 1fr;
  }

  .official-report-actions {
    justify-content: flex-start;
  }

  .contact-meta {
    grid-template-columns: 1fr;
  }

  .case-side-item,
  .contact-steps,
  .solution-hub-card,
  .article-row,
  .next-panel {
    grid-template-columns: 1fr;
  }

  .next-panel {
    display: grid;
  }

  .about-grid,
  .business-grid,
  .delivery-grid,
  .about-contact-grid {
    grid-template-columns: 1fr;
  }

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

  .case-feature-media img,
  .case-side-media img {
    aspect-ratio: 16 / 10;
  }
}


/* design-upgrade-20260514 */
.page-home h1 {
  max-width: 15ch;
}

.case-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: -0.6rem 0 1.15rem;
}

.case-filter {
  min-height: 2.45rem;
  padding: 0.45rem 0.95rem;
  border: 1px solid rgba(17, 26, 36, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink-soft);
  font: inherit;
  font-size: 0.88rem;
  font-weight: 800;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.case-filter:hover {
  transform: translateY(-1px);
  border-color: rgba(0, 109, 119, 0.28);
  color: var(--ink);
}

.case-filter.is-active {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #fff;
}

.case-directory article.is-hidden {
  display: none;
}

.engineering-proof-section,
.proof-note-section,
.product-eval-section {
  padding-top: clamp(2.2rem, 5vw, 3.8rem);
  padding-bottom: clamp(2.2rem, 5vw, 3.8rem);
}

.engineering-proof-grid,
.proof-note-layout,
.product-eval-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.engineering-proof-card,
.proof-note-layout article,
.product-eval-grid article {
  min-height: 190px;
  padding: clamp(1.15rem, 2vw, 1.45rem);
  background: var(--surface);
}

.engineering-proof-card span,
.product-eval-grid span {
  display: inline-block;
  margin-bottom: 0.8rem;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.engineering-proof-card h3,
.proof-note-layout h3,
.product-eval-grid h3 {
  font-size: 1.05rem;
}

.engineering-proof-card p,
.proof-note-layout p,
.product-eval-grid p {
  margin: 0.62rem 0 0;
  color: var(--ink-soft);
}

.product-eval-section {
  border-top: 0;
}

.product-spec-section {
  padding-top: clamp(2.2rem, 5vw, 3.8rem);
  padding-bottom: clamp(2.2rem, 5vw, 3.8rem);
}

.product-spec-table {
  display: grid;
  border: 1px solid var(--line);
  background: var(--surface);
}

.product-spec-row {
  display: grid;
  grid-template-columns: minmax(160px, 0.85fr) minmax(0, 1.15fr) minmax(0, 1fr);
  border-bottom: 1px solid var(--line);
}

.product-spec-row:last-child {
  border-bottom: 0;
}

.product-spec-row span {
  display: block;
  padding: 0.95rem 1rem;
  color: var(--ink-soft);
  border-right: 1px solid var(--line);
}

.product-spec-row span:last-child {
  border-right: 0;
}

.product-spec-head {
  background: var(--surface-soft);
}

.product-spec-head span {
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 800;
}

.case-directory article {
  border-radius: 0.85rem;
}

.case-directory article::before {
  content: attr(data-case-label);
  width: fit-content;
  padding: 0.24rem 0.58rem;
  border-radius: 999px;
  background: rgba(0, 109, 119, 0.08);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand-logo {
  width: 3.35rem;
  height: auto;
  display: block;
  flex: 0 0 auto;
}

.vision-poster {
  width: 100%;
}

.vision-poster-panel {
  border-radius: 0.9rem;
}

.vision-poster .btn-secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.06);
}

.page-anchor-bar {
  overflow-x: auto;
  scrollbar-width: none;
}

.page-anchor-bar::-webkit-scrollbar {
  display: none;
}

.mobile-contact-bar {
  position: fixed;
  left: 0.75rem;
  right: 0.75rem;
  bottom: 0.75rem;
  z-index: 60;
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
  padding: 0.55rem;
  border: 1px solid rgba(17, 26, 36, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 18px 42px rgba(17, 26, 36, 0.18);
  backdrop-filter: blur(12px);
}

.mobile-contact-bar a {
  display: inline-flex;
  min-height: 2.6rem;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 800;
}

.mobile-contact-bar a:first-child {
  background: var(--accent-dark);
  color: #fff;
}

.mobile-contact-bar a:last-child {
  color: var(--ink);
  background: var(--surface-soft);
}

@media (max-width: 1080px) {
  .vision-poster-inner {
    align-items: start;
  }

  .vision-poster-panel {
    max-width: 720px;
  }
}

@media (max-width: 760px) {
  body {
    padding-bottom: 4.75rem;
  }

  .hero,
  .section,
  .detail-hero,
  .contact-band,
  .footer,
  .stats-band,
  .page-anchor-bar {
    width: min(var(--max), calc(100% - 1.25rem));
  }

  .page-home h1 {
    max-width: none;
    font-size: clamp(2.15rem, 9vw, 2.7rem);
  }

  .hero-text {
    max-width: none;
  }

  .hero-sub {
    padding-top: 2.2rem;
  }

  .vision-poster {
    display: block;
    background: #0e151d;
    margin-bottom: 0.6rem;
  }

  .vision-poster-media {
    position: relative;
    height: clamp(210px, 36svh, 320px);
  }

  .vision-poster-media img {
    object-position: center;
  }

  .vision-poster-shade {
    background: linear-gradient(180deg, rgba(9, 14, 20, 0.08) 0%, rgba(9, 14, 20, 0.92) 92%);
  }

  .vision-poster-inner {
    width: min(var(--max), calc(100% - 1.25rem));
    padding: 1.15rem 0 1.25rem;
    gap: 1rem;
  }

  .vision-poster h1 {
    font-size: clamp(2rem, 8vw, 2.45rem);
    line-height: 1.12;
  }

  .vision-poster .hero-text {
    margin-top: 0.85rem;
  }

  .poster-tags {
    gap: 0.45rem;
    margin-top: 1rem;
  }

  .poster-tags span {
    min-height: 2rem;
    padding: 0.26rem 0.68rem;
    font-size: 0.8rem;
  }

  .vision-poster-panel {
    padding: 1rem;
    background: rgba(255, 255, 255, 0.06);
  }

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

  .poster-proof {
    display: none;
  }

  .page-2d .page-anchor-bar,
  .page-logistics .page-anchor-bar,
  .page-xray .page-anchor-bar,
  .page-3d .page-anchor-bar,
  .page-safety .page-anchor-bar {
    top: 64px;
    flex-wrap: wrap;
    padding: 0.72rem 0;
    white-space: normal;
    gap: 0.55rem 1rem;
  }

  .case-filter-bar {
    flex-wrap: wrap;
    overflow-x: visible;
    padding-bottom: 0.15rem;
    scrollbar-width: none;
  }

  .case-filter-bar::-webkit-scrollbar {
    display: none;
  }

  .case-filter {
    flex: 1 1 calc(50% - 0.65rem);
    min-width: 9.5rem;
  }

  .engineering-proof-grid,
  .proof-note-layout,
  .product-eval-grid,
  .delivery-doc-grid,
  .case-reading-guide {
    grid-template-columns: 1fr;
  }

  .engineering-proof-card,
  .proof-note-layout article,
  .product-eval-grid article,
  .delivery-doc-grid article,
  .case-reading-guide article {
    min-height: auto;
  }

  .product-spec-row,
  .product-spec-head {
    grid-template-columns: 1fr;
  }

  .product-spec-head {
    display: none;
  }

  .product-spec-row {
    padding: 0.9rem 1rem;
    gap: 0.45rem;
  }

  .product-spec-row span {
    padding: 0;
    border-right: 0;
  }

  .product-spec-row span:first-child {
    color: var(--ink);
    font-weight: 800;
  }

  .mobile-contact-bar {
    display: grid;
  }

  .page-knowledge .mobile-contact-bar {
    display: none;
  }

  .page-knowledge {
    padding-bottom: 0;
  }
}