:root {
  --bg: #f6f7f3;
  --surface: #ffffff;
  --ink: #17201b;
  --muted: #5f6b62;
  --line: #d8ded6;
  --green: #315b3c;
  --cyan: #0f6b78;
  --amber: #a65f17;
  --blue: #243f73;
  --violet: #6d3bbd;
  --soft-green: #e6efdf;
  --soft-cyan: #e2f0f1;
  --soft-amber: #f5eadb;
  --soft-violet: #eee7fb;
  --shadow: 0 18px 45px rgba(23, 32, 27, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--bg);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.6;
}

a {
  color: inherit;
  overflow-wrap: anywhere;
  text-underline-offset: 0.18em;
}

a:focus-visible,
button:focus-visible,
.button:focus-visible,
nav a:focus-visible {
  outline: 3px solid #0f6b78;
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 18px;
  top: 10px;
  z-index: 10;
  padding: 8px 12px;
  border-radius: 8px;
  color: #ffffff;
  background: var(--green);
  transform: translateY(-140%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  min-width: max-content;
  color: var(--ink);
  text-decoration: none;
}

.brand strong {
  display: block;
  background: none;
  font-weight: 760;
  letter-spacing: 0;
}

.brand small {
  display: block;
  margin-top: 1px;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0;
}

.brand-logo {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 0 1px var(--line);
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  justify-content: flex-end;
}

nav a {
  padding: 7px 10px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.92rem;
  text-decoration: none;
}

nav a:hover,
nav a.active {
  border-color: var(--line);
  color: var(--ink);
  background: var(--surface);
}

.content {
  width: min(1180px, calc(100% - 32px));
  margin: 28px auto 80px;
}

.content > h1 {
  width: min(940px, 100%);
  margin: 0 0 24px;
  line-height: 1.04;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.5rem, 6vw, 5.9rem);
  font-weight: 520;
  letter-spacing: 0;
}

.content-index > h1 {
  width: min(980px, 100%);
}

h2,
h3 {
  margin: 0 0 0.65em;
  line-height: 1.16;
  letter-spacing: 0;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.5rem);
}

h3 {
  font-size: 1.18rem;
}

p {
  margin: 1em 0;
}

img,
svg,
video,
iframe {
  max-width: 100%;
  height: auto;
}

ul,
ol {
  padding-left: 1.35em;
}

strong {
  font-weight: 760;
}

.lead {
  width: min(860px, 100%);
  margin-top: 0;
  color: #334139;
  font-size: clamp(1.12rem, 2vw, 1.45rem);
  line-height: 1.45;
}

.eyebrow,
.card-kicker {
  margin: 0 0 10px;
  color: var(--cyan);
  font-size: 0.76rem;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-section {
  padding: clamp(12px, 3vw, 28px) 0 clamp(30px, 6vw, 72px);
  border-bottom: 1px solid var(--line);
}

.hero-layout,
.industrial-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
  gap: clamp(22px, 4vw, 46px);
  align-items: center;
}

.hero-visual,
.product-hero-card {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-visual img,
.product-hero-card img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
}

.product-hero-card img {
  aspect-ratio: 5 / 4;
}

.hero-visual figcaption,
.product-hero-card figcaption,
.image-showcase figcaption {
  padding: 12px 14px;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
  border-top: 1px solid var(--line);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 15px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 720;
  text-decoration: none;
}

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

.button.secondary {
  color: var(--ink);
  background: var(--surface);
}

.text-link {
  color: var(--cyan);
  font-weight: 720;
}

.business-section,
.company-note,
.positioning-section,
.feature-list,
.service-summary,
.cloud-screenshot-section,
.process-section,
.proof-strip,
.operating-model,
.solution-platform,
.device-software,
.workflow-preview,
.partner-model,
.use-case-section,
.pilot-package,
.faq-section,
.contact-guide,
.notice-box,
.profile-section,
.contact-grid,
.cta-band {
  margin-top: clamp(34px, 7vw, 84px);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.5fr);
  gap: 32px;
  align-items: start;
  margin-bottom: 22px;
}

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

.business-grid,
.feature-list,
.contact-grid,
.proof-strip,
.use-case-grid,
.faq-list,
.platform-grid,
.model-flow,
.partner-model-grid,
.guide-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.business-card,
.feature-list article,
.contact-grid article,
.proof-strip article,
.device-capability-grid article,
.use-case-grid article,
.use-case-card,
.faq-list article,
.platform-grid article,
.model-flow article,
.partner-model-grid article,
.guide-list article,
.service-panel,
.notice-box {
  min-height: 100%;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.proof-strip {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: clamp(22px, 4vw, 42px);
}

.proof-strip article {
  padding: 18px;
}

.proof-strip strong {
  display: block;
  margin-bottom: 6px;
  line-height: 1.25;
}

.proof-strip span,
.model-flow p,
.platform-grid p,
.partner-model-grid p,
.guide-list span,
.use-case-grid p,
.use-case-card p,
.faq-list p,
.pilot-package p,
.pilot-package li {
  color: var(--muted);
}

.business-card {
  display: flex;
  flex-direction: column;
  color: inherit;
  text-decoration: none;
}

.card-image {
  display: block;
  width: 100%;
  height: 160px;
  margin: 0 0 18px;
  border-radius: 6px;
  object-fit: cover;
  object-position: center;
  background: #e8eee8;
}

.business-card h3 {
  min-height: 2.4em;
  font-size: clamp(1.18rem, 2vw, 1.45rem);
}

.business-card p,
.feature-list p,
.service-panel p,
.notice-box p,
.contact-grid p {
  color: var(--muted);
}

.card-button {
  width: 100%;
  margin-top: auto;
}

.light-card {
  background: linear-gradient(180deg, var(--surface), var(--soft-violet));
}

.cloud-card {
  background: linear-gradient(180deg, var(--surface), var(--soft-cyan));
}

.industrial-card {
  background: linear-gradient(180deg, var(--surface), var(--soft-amber));
}

.positioning-section,
.service-summary,
.operating-model,
.workflow-preview,
.partner-model,
.contact-guide {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: 32px;
  align-items: start;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.partner-strip {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr) auto;
  gap: 24px;
  align-items: center;
  margin-top: clamp(34px, 7vw, 84px);
  padding: 24px;
  border: 1px solid #d7c9b8;
  border-radius: 8px;
  background: #fff7ed;
}

.partner-strip h2 {
  font-size: clamp(1.35rem, 2.2vw, 2rem);
}

.service-summary.single-column {
  grid-template-columns: minmax(0, 1fr);
}

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

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

.copy-columns p {
  margin-top: 0;
  color: var(--muted);
}

.feature-list {
  align-items: stretch;
}

.feature-list > .section-heading {
  grid-column: 1 / -1;
  margin-bottom: 0;
}

.feature-list.compact article h2 {
  font-size: 1.3rem;
}

.service-panel {
  background: #eef3f0;
}

.service-summary .service-panel {
  min-height: 0;
}

.service-image {
  min-height: 100%;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.service-image img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  object-position: center;
}

.service-image.editorial img {
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: #eef5ff;
}

.service-image figcaption {
  padding: 12px 14px;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
  border-top: 1px solid var(--line);
}

.standalone-panel {
  margin-top: 18px;
  max-width: 760px;
}

.visual-panel {
  margin-top: clamp(28px, 5vw, 58px);
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: 12px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(238, 246, 255, 0.82)),
    radial-gradient(circle at top left, rgba(109, 59, 189, 0.12), transparent 32%);
  box-shadow: var(--shadow);
}

.hero-visual.visual-panel {
  margin-top: 0;
}

.visual-panel figcaption {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.diagram-title {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 720;
}

.diagram-flow,
.diagram-grid,
.timeline-grid {
  display: grid;
  gap: 12px;
}

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

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

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

.diagram-card,
.timeline-card {
  min-height: 100%;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.9);
}

.diagram-card strong,
.timeline-card strong {
  display: block;
  margin-bottom: 6px;
  line-height: 1.24;
}

.diagram-card span,
.timeline-card span {
  display: block;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.diagram-card.industrial,
.timeline-card.industrial {
  border-top: 5px solid var(--green);
}

.diagram-card.cloud,
.timeline-card.cloud {
  border-top: 5px solid var(--blue);
}

.diagram-card.light,
.timeline-card.light {
  border-top: 5px solid var(--violet);
}

.diagram-card.evidence,
.timeline-card.evidence {
  border-top: 5px solid var(--amber);
}

.solution-platform {
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.device-software {
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.device-software .section-heading h2 {
  grid-column: 2;
  grid-row: 1;
}

.device-software .section-heading p:not(.eyebrow) {
  grid-column: 2;
  max-width: 760px;
}

.device-capability-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.device-capability-grid article {
  padding: 18px;
}

.device-capability-grid h3 {
  font-size: 1.08rem;
}

.app-screenshot-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.app-screenshot-grid figure {
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.app-screenshot-grid img {
  display: block;
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  object-position: top center;
  background: #f4f6f5;
}

.app-screenshot-grid figcaption {
  min-height: 5.8em;
  padding: 12px 14px;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
  border-top: 1px solid var(--line);
}

.platform-grid,
.model-flow,
.partner-model-grid {
  align-items: stretch;
}

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

.platform-grid article,
.model-flow article,
.partner-model-grid article,
.guide-list article {
  padding: 20px;
}

.model-flow span,
.workflow-steps li::before {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 14px;
  border-radius: 50%;
  color: #ffffff;
  background: var(--green);
  font-size: 0.82rem;
  font-weight: 760;
}

.workflow-preview {
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.workflow-steps {
  counter-reset: workflow-step;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.workflow-steps li {
  counter-increment: workflow-step;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.workflow-steps li::before {
  content: counter(workflow-step);
}

.workflow-steps strong {
  display: block;
  margin-bottom: 6px;
}

.workflow-steps p {
  color: var(--muted);
  font-size: 0.94rem;
}

.contact-guide {
  grid-template-columns: minmax(260px, 0.75fr) minmax(0, 1.45fr);
  margin-top: clamp(24px, 5vw, 52px);
}

.guide-list {
  align-items: stretch;
}

.guide-list article {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.guide-list h3,
.guide-list strong {
  line-height: 1.25;
}

.guide-list span,
.guide-list li {
  line-height: 1.5;
}

.guide-list ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.image-showcase {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: clamp(34px, 7vw, 84px);
}

.embedded-showcase {
  margin-top: 18px;
}

.image-showcase figure {
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.image-showcase img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
}

.capability-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.4fr);
  gap: 28px;
  align-items: start;
  margin-top: clamp(34px, 7vw, 84px);
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

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

.capability-list article {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.capability-list p {
  color: var(--muted);
}

.use-case-section,
.pilot-package,
.faq-section {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.35fr);
  gap: 28px;
  align-items: start;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

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

.use-case-grid article,
.use-case-card,
.faq-list article {
  padding: 18px;
}

.use-case-card {
  display: block;
  color: inherit;
  text-decoration: none;
}

.use-case-card:hover {
  border-color: #c3d0c4;
  transform: translateY(-1px);
}

.use-case-grid h3,
.faq-list h3 {
  font-size: 1.08rem;
}

.pilot-package {
  padding: 26px;
  border: 1px solid #d7c9b8;
  border-radius: 8px;
  background: #fff7ed;
}

.pilot-package ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pilot-package li {
  padding: 14px 16px;
  border: 1px solid #e6d8c6;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
}

.pilot-package strong {
  display: block;
  color: var(--ink);
}

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

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  padding: 0;
  list-style: none;
}

.steps li {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
}

.steps strong {
  display: block;
  margin-bottom: 6px;
  color: var(--ink);
}

.notice-box {
  background: #fff8ed;
}

.company-note {
  max-width: 760px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.company-note p {
  margin: 0;
}

.template-box,
.detail-box {
  margin-top: clamp(28px, 5vw, 56px);
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.template-box summary,
.detail-box summary {
  cursor: pointer;
  color: var(--cyan);
  font-weight: 760;
}

.template-box[open] summary,
.detail-box[open] summary {
  margin-bottom: 12px;
}

.template-box pre {
  margin: 16px 0 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f4f6f1;
  color: #26322c;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9rem;
  line-height: 1.55;
  white-space: pre-wrap;
}

.profile-section {
  width: min(900px, 100%);
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.profile-section h2 {
  font-family: Georgia, "Times New Roman", serif;
}

.chinese {
  color: #26322c;
}

.cta-band {
  padding: clamp(24px, 4vw, 36px);
  border: 1px solid #cbd8cc;
  border-radius: 8px;
  background: #eaf1e7;
}

.cta-band h2 {
  max-width: 760px;
}

.cta-band p {
  max-width: 780px;
  color: var(--muted);
}

figure {
  max-width: 100%;
  margin: 1.5em 0;
}

table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
}

code,
pre {
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.content-uv-trait {
  width: min(980px, calc(100% - 32px));
}

.content-uv-trait p,
.content-uv-trait li {
  color: #26322c;
}

.content-uv-trait h2 {
  margin-top: 2em;
}

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 34px 0;
}

footer {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto 36px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.92rem;
}

@media (max-width: 920px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  nav {
    justify-content: flex-start;
  }

  .section-heading,
  .positioning-section,
  .service-summary,
  .industrial-hero,
  .hero-layout,
  .partner-strip,
  .capability-grid,
  .operating-model,
  .workflow-preview,
  .partner-model,
  .use-case-section,
  .pilot-package,
  .faq-section,
  .contact-guide,
  .copy-columns {
    grid-template-columns: 1fr;
  }

  .business-grid,
  .feature-list,
  .contact-grid,
  .proof-strip,
  .device-capability-grid,
  .use-case-grid,
  .faq-list,
  .platform-grid,
  .model-flow,
  .partner-model-grid,
  .guide-list,
  .image-showcase,
  .app-screenshot-grid,
  .workflow-steps,
  .steps {
    grid-template-columns: 1fr;
  }

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

  .diagram-flow,
  .diagram-grid,
  .timeline-grid {
    grid-template-columns: 1fr;
  }

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

  .business-card h3 {
    min-height: 0;
  }

  .partner-strip {
    align-items: start;
  }

  .device-software .section-heading h2,
  .device-software .section-heading p:not(.eyebrow) {
    grid-column: auto;
  }
}

@media (max-width: 560px) {
  body {
    font-size: 16px;
  }

  .site-header,
  .content,
  footer {
    width: min(100% - 22px, 1180px);
  }

  .brand small {
    font-size: 0.72rem;
  }

  nav a {
    padding: 6px 8px;
    font-size: 0.86rem;
  }

  .content {
    margin-top: 16px;
  }

  .content > h1 {
    font-size: clamp(2.15rem, 12vw, 3.2rem);
  }

  .business-card,
  .feature-list article,
  .contact-grid article,
  .service-panel,
  .notice-box,
  .pilot-package,
  .platform-grid article,
  .model-flow article,
  .partner-model-grid article,
  .device-capability-grid article,
  .guide-list article,
  .cta-band {
    padding: 18px;
  }

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

  .guide-list article {
    gap: 8px;
  }
}