:root {
  color-scheme: light;
  --bg: #f5f5f7;
  --surface: #ffffff;
  --surface-soft: #fbfbfd;
  --ink: #1d1d1f;
  --text: #424245;
  --muted: #6e6e73;
  --line: rgba(0, 0, 0, 0.1);
  --line-strong: rgba(0, 0, 0, 0.18);
  --blue: #007aff;
  --blue-strong: #005ecb;
  --blue-soft: #e8f2ff;
  --metal: #74808d;
  --radius: 8px;
  --shadow-sm: 0 6px 18px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 18px 48px rgba(0, 0, 0, 0.1);
  --content: min(1180px, calc(100% - 48px));
  --content-wide: min(1388px, calc(100% - 48px));
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  min-width: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.is-nav-open {
  overflow: hidden;
}

a {
  color: inherit;
}

button {
  font: inherit;
}

img {
  max-width: 100%;
  height: auto;
}

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

h1,
h2,
h3 {
  letter-spacing: 0;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 300;
  transform: translateY(-150%);
  padding: 10px 14px;
  border-radius: var(--radius);
  background: var(--ink);
  color: #fff;
  text-decoration: none;
}

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

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 22px;
  min-height: 70px;
  padding: 12px max(24px, calc((100vw - 1480px) / 2 + 24px));
  border-bottom: 1px solid var(--line);
  background: rgba(245, 245, 247, 0.9);
  backdrop-filter: saturate(180%) blur(22px);
  transition: background-color 0.2s ease, box-shadow 0.2s ease;
}

.site-header.is-scrolled {
  background: rgba(245, 245, 247, 0.97);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 11px;
  text-decoration: none;
}

.brand img {
  display: block;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  object-fit: cover;
  background: #fff;
}

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

.brand strong {
  font-size: 16px;
}

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: 18px;
  min-width: 0;
  color: var(--text);
  font-size: 14px;
  font-weight: 650;
}

.site-nav a {
  position: relative;
  padding: 8px 0;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s ease;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 2px;
  border-radius: 999px;
  background: var(--blue);
  content: "";
  transform: scaleX(0);
  transition: transform 0.2s ease;
}

.site-nav a:hover,
.site-nav a.is-active,
.site-nav a[aria-current="page"] {
  color: var(--blue-strong);
}

.site-nav a.is-active::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.lang-link {
  color: var(--blue-strong);
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 14px;
  flex: 0 0 auto;
}

.header-company {
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
  text-decoration: none;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.82);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 19px;
  height: 2px;
  margin: 5px auto;
  border-radius: 999px;
  background: var(--ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 760;
  letter-spacing: 0;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.primary-button {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 10px 24px rgba(0, 122, 255, 0.2);
}

.secondary-button {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.88);
  color: var(--ink);
}

.primary-button:hover,
.secondary-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.compact-button {
  min-height: 38px;
  padding: 0 16px;
  font-size: 13px;
}

.hero {
  position: relative;
  display: grid;
  align-items: center;
  min-height: calc(100svh - 38px);
  overflow: hidden;
  background: #dce4eb;
  isolation: isolate;
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-media {
  z-index: -2;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  z-index: -1;
  background: linear-gradient(90deg, rgba(247, 249, 251, 0.98) 0%, rgba(247, 249, 251, 0.91) 34%, rgba(247, 249, 251, 0.55) 56%, rgba(247, 249, 251, 0.08) 100%);
}

.hero-content {
  width: var(--content-wide);
  margin: 0 auto;
  padding: 142px 0 82px;
}

.hero-parent {
  max-width: 640px;
  margin: 0 0 30px;
  color: var(--text);
  font-size: 14px;
  font-weight: 760;
}

.hero-kicker {
  margin: 0;
  color: var(--blue-strong);
  font-size: 23px;
  font-weight: 850;
}

.hero h1 {
  max-width: 760px;
  margin: 8px 0 20px;
  font-size: 84px;
  line-height: 1.02;
}

.hero h2 {
  max-width: 700px;
  margin: 0;
  color: var(--ink);
  font-size: 34px;
  line-height: 1.2;
}

.hero-lead {
  max-width: 680px;
  margin: 22px 0 0;
  color: var(--text);
  font-size: 18px;
  line-height: 1.75;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 28px;
}

.tag-list span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 11px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.68);
  color: var(--text);
  font-size: 13px;
  font-weight: 760;
  backdrop-filter: blur(12px);
}

.section {
  width: var(--content);
  margin: 0 auto;
  padding: 104px 0;
  scroll-margin-top: 84px;
}

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

.section-band {
  width: 100%;
  padding-right: max(24px, calc((100% - 1180px) / 2));
  padding-left: max(24px, calc((100% - 1180px) / 2));
  background: var(--surface-soft);
}

.section-heading {
  max-width: 840px;
  margin-bottom: 34px;
}

.narrow-heading {
  max-width: 920px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue-strong);
  font-size: 13px;
  font-weight: 850;
}

.section-heading h2,
.contact-copy h2 {
  margin: 0;
  font-size: 50px;
  line-height: 1.12;
}

.section-heading > p:not(.eyebrow),
.contact-copy > p:not(.eyebrow) {
  max-width: 780px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.intro-section {
  padding-top: 82px;
  padding-bottom: 82px;
}

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

.feature-card,
.scenario-card,
.advantage-grid article,
.ecosystem-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.feature-card {
  padding: 24px;
}

.card-index,
.scenario-card > span,
.advantage-grid span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  margin-bottom: 18px;
  padding: 0 9px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue-strong);
  font-size: 12px;
  font-weight: 850;
}

.feature-card h3,
.scenario-card h3,
.advantage-grid h3,
.ecosystem-card h3,
.solution-row h3 {
  margin: 0;
  font-size: 21px;
  line-height: 1.3;
}

.feature-card p,
.scenario-card p,
.advantage-grid p,
.ecosystem-card p,
.solution-row p {
  margin: 11px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 16px;
}

.scenario-card {
  grid-column: span 2;
  min-height: 190px;
  padding: 24px;
  text-decoration: none;
}

.scenario-featured {
  grid-column: span 3;
}

.scenario-card:nth-child(2) {
  grid-column: span 3;
}

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

.solution-row {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 8px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.solution-number {
  color: var(--blue-strong);
  font-size: 14px;
  font-weight: 850;
}

.solution-row p {
  max-width: 920px;
}

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

.advantage-grid article {
  min-height: 176px;
  padding: 22px;
}

.ecosystem-heading {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 44px;
  max-width: none;
  align-items: end;
}

.ecosystem-heading > p {
  margin: 0 !important;
}

.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.ecosystem-card {
  min-height: 182px;
  padding: 20px;
  color: inherit;
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.ecosystem-card:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 122, 255, 0.26);
  box-shadow: var(--shadow-md);
}

.ecosystem-card span {
  display: block;
  margin-bottom: 28px;
  color: var(--blue-strong);
  font-size: 12px;
  font-weight: 850;
}

.ecosystem-current {
  border-color: rgba(0, 122, 255, 0.28);
  background: var(--blue-soft);
}

.ecosystem-parent {
  border-color: rgba(0, 0, 0, 0.16);
}

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

.faq-list {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list details:last-child {
  border-bottom: 0;
}

.faq-list summary {
  position: relative;
  padding: 21px 56px 21px 22px;
  color: var(--ink);
  font-size: 17px;
  font-weight: 760;
  list-style: none;
  cursor: pointer;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  position: absolute;
  top: 50%;
  right: 22px;
  color: var(--blue-strong);
  content: "+";
  font-size: 24px;
  font-weight: 500;
  transform: translateY(-50%);
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list p {
  max-width: 900px;
  margin: 0;
  padding: 0 22px 22px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.contact-section {
  padding: 104px max(24px, calc((100% - 1180px) / 2));
  background: #e9edf2;
  scroll-margin-top: 84px;
}

.contact-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  gap: 54px;
  align-items: start;
}

.contact-details {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 192px;
  gap: 24px;
  align-items: start;
}

.contact-list {
  display: grid;
  gap: 14px;
}

.contact-list p {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 12px;
  margin: 0;
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
}

.contact-list span {
  color: var(--muted);
  font-weight: 760;
}

.contact-list a {
  color: var(--blue-strong);
  font-weight: 760;
  text-decoration: none;
}

.contact-list strong {
  font-weight: 650;
}

.qr-card {
  margin: 0;
}

.qr-card img {
  display: block;
  width: 192px;
  height: 192px;
  border: 8px solid #fff;
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.qr-card figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.evaluation-card {
  min-height: 264px;
}

.evaluation-card dl {
  display: grid;
  gap: 14px;
  margin: 16px 0 0;
}

.evaluation-card dl div {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.evaluation-card dt {
  color: var(--blue-strong);
  font-size: 13px;
  font-weight: 800;
}

.evaluation-card dd {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.social-channel-grid .info-panel + .info-panel {
  margin-top: 0;
}

.social-qr-card {
  text-align: center;
}

.social-qr-card .qr-card {
  display: grid;
  justify-items: center;
  margin-top: 18px;
}

.social-qr-card .qr-card img {
  width: min(100%, 192px);
  height: auto;
  aspect-ratio: 1;
  object-fit: contain;
}

.social-qr-card .qr-card figcaption {
  max-width: 260px;
  line-height: 1.7;
}

.site-footer {
  padding: 38px max(24px, calc((100% - 1180px) / 2)) 42px;
  border-top: 1px solid var(--line);
  background: var(--surface-soft);
}

.footer-main {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 28px;
}

.footer-main strong {
  font-size: 18px;
}

.footer-main p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.footer-main nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px 18px;
}

.footer-main a,
.footer-records a {
  color: var(--blue-strong);
  font-size: 14px;
  text-decoration: none;
}

.footer-details {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr) minmax(0, 1.55fr);
  gap: 28px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.footer-details h2 {
  margin: 0 0 10px;
  color: var(--text);
  font-size: 14px;
}

.footer-details p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.footer-details a {
  color: var(--blue-strong);
  font-size: 13px;
  line-height: 1.7;
  text-decoration: none;
}

.footer-stack {
  display: grid;
  gap: 3px;
}

.footer-contact-list {
  display: grid;
  gap: 5px;
}

.footer-contact-list p {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 10px;
}

.footer-contact-list span {
  color: var(--muted);
}

.footer-contact-list strong {
  color: var(--text);
  font-weight: 650;
}

.footer-records {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.mobile-consult-bar {
  position: fixed;
  right: 12px;
  bottom: 12px;
  left: 12px;
  z-index: 90;
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(20px);
}

.mobile-consult-bar a {
  display: grid;
  place-items: center;
  min-height: 42px;
  border-radius: 999px;
  color: #fff;
  font-size: 15px;
  font-weight: 780;
  text-decoration: none;
}

.mobile-consult-bar a:first-child {
  background: var(--ink);
}

.mobile-consult-bar a:last-child {
  background: var(--blue);
}

.back-to-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 88;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.94);
  color: var(--blue-strong);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.page-hero {
  padding: 148px 0 76px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-soft);
}

.page-hero-inner,
.page-content,
.cta-panel {
  width: var(--content);
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.breadcrumb a {
  color: var(--blue-strong);
  text-decoration: none;
}

.page-hero h1 {
  max-width: 880px;
  margin: 0;
  font-size: clamp(54px, 7vw, 92px);
  line-height: 0.98;
}

.page-hero p {
  max-width: 720px;
  margin: 24px 0 0;
  color: var(--text);
  font-size: 20px;
  line-height: 1.75;
}

.page-content {
  padding: 88px 0;
}

.page-content + .page-content {
  padding-top: 0;
}

.detail-grid,
.process-grid,
.overview-grid,
.dimension-grid,
.deliverable-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.detail-card,
.process-card,
.overview-card,
.dimension-card,
.deliverable-card,
.info-panel {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.detail-card h2,
.detail-card h3,
.process-card h3,
.overview-card h3,
.dimension-card h3,
.deliverable-card h3,
.info-panel h2,
.info-panel h3 {
  margin: 12px 0 8px;
  font-size: 21px;
  line-height: 1.22;
}

.detail-card p,
.process-card p,
.overview-card p,
.dimension-card p,
.deliverable-card p,
.info-panel p,
.info-panel li {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.detail-card ul,
.dimension-card ul,
.deliverable-card ul,
.info-panel ul {
  margin: 14px 0 0;
  padding-left: 18px;
}

.detail-card li + li {
  margin-top: 7px;
}

.detail-card li strong {
  color: var(--text);
}

.card-label,
.process-step {
  color: var(--blue-strong);
  font-size: 13px;
  font-weight: 800;
}

.overview-card {
  display: block;
  min-height: 160px;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.overview-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

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

.process-card {
  min-height: 186px;
}

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

.dimension-card {
  min-height: 176px;
}

.dimension-card ul,
.deliverable-card ul {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

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

.deliverable-card {
  min-height: 168px;
}

.selection-note {
  margin-top: 18px;
  padding: 18px 20px;
  border-left: 3px solid var(--blue);
  background: var(--blue-soft);
  color: var(--text);
  font-size: 14px;
  line-height: 1.75;
}

.checklist-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.checklist-grid li {
  position: relative;
  padding: 12px 12px 12px 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
  color: var(--text);
  font-size: 14px;
  line-height: 1.55;
}

.checklist-grid li::before {
  position: absolute;
  top: 13px;
  left: 13px;
  color: var(--blue-strong);
  content: "✓";
  font-weight: 900;
}

.advantage-five {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 16px;
}

.info-panel + .info-panel {
  margin-top: 16px;
}

.meta-list {
  display: grid;
  gap: 0;
  margin: 0;
}

.meta-list p {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr);
  gap: 12px;
  margin: 0;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.meta-list p:last-child {
  border-bottom: 0;
}

.meta-list span {
  color: var(--muted);
}

.meta-list a {
  color: var(--blue-strong);
  text-decoration: none;
}

.cta-band {
  padding: 0 0 88px;
}

.cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.cta-panel h2 {
  margin: 0;
  font-size: 30px;
}

.cta-panel p {
  max-width: 660px;
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.75;
}

.compact-section {
  padding-top: 82px;
  padding-bottom: 82px;
}

.section-actions {
  margin-top: 28px;
}

@media (max-width: 1180px) {
  .site-header {
    gap: 14px;
  }

  .site-nav {
    gap: 12px;
    font-size: 13px;
  }

  .header-company {
    display: none;
  }

  .hero h1 {
    font-size: 76px;
  }

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

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

@media (max-width: 1080px) {
  html {
    scroll-padding-top: 78px;
  }

  .site-header {
    min-height: 66px;
    padding: 10px 18px;
  }

  .brand {
    flex: 1;
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 67px;
    right: 12px;
    left: 12px;
    z-index: 98;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    max-height: calc(100svh - 86px);
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
    overflow: auto;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-nav a {
    display: flex;
    align-items: center;
    min-height: 42px;
    padding: 0 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-soft);
  }

  .site-nav a::after {
    display: none;
  }

  .header-actions {
    display: none;
  }

  .hero {
    min-height: 780px;
    align-items: end;
  }

  .hero-media {
    object-position: 62% center;
  }

  .hero-overlay {
    background: linear-gradient(90deg, rgba(247, 249, 251, 0.98) 0%, rgba(247, 249, 251, 0.86) 44%, rgba(247, 249, 251, 0.38) 100%);
  }

  .hero-content {
    padding-top: 116px;
    padding-bottom: 66px;
  }

  .hero h1 {
    font-size: 66px;
  }

  .hero h2 {
    max-width: 600px;
    font-size: 31px;
  }

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

  .scenario-card,
  .scenario-featured,
  .scenario-card:nth-child(2) {
    grid-column: span 1;
  }

  .ecosystem-heading {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .contact-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .detail-grid,
  .overview-grid,
  .dimension-grid,
  .deliverable-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 720px) {
  :root {
    --content: calc(100% - 32px);
    --content-wide: calc(100% - 32px);
  }

  body {
    padding-bottom: 78px;
  }

  .brand img {
    width: 38px;
    height: 38px;
  }

  .brand strong {
    font-size: 15px;
  }

  .hero {
    min-height: calc(100svh - 26px);
  }

  .hero-media {
    object-position: 65% center;
  }

  .hero-overlay {
    background: linear-gradient(180deg, rgba(247, 249, 251, 0.22) 0%, rgba(247, 249, 251, 0.7) 46%, rgba(247, 249, 251, 0.98) 100%);
  }

  .hero-content {
    padding-top: 100px;
    padding-bottom: 44px;
  }

  .hero-parent {
    margin-bottom: 22px;
    font-size: 13px;
  }

  .hero-kicker {
    font-size: 19px;
  }

  .hero h1 {
    margin-top: 6px;
    font-size: 50px;
  }

  .hero h2 {
    font-size: 28px;
  }

  .hero-lead {
    font-size: 16px;
  }

  .hero-actions .primary-button,
  .hero-actions .secondary-button,
  .contact-actions .primary-button,
  .contact-actions .secondary-button {
    width: 100%;
  }

  .section {
    padding: 76px 0;
  }

  .page-hero {
    padding: 116px 0 58px;
  }

  .page-hero h1 {
    font-size: 50px;
  }

  .page-hero p {
    font-size: 17px;
  }

  .page-content {
    padding: 70px 0;
  }

  .section-band {
    padding-right: 16px;
    padding-left: 16px;
  }

  .intro-section {
    padding-top: 66px;
    padding-bottom: 66px;
  }

  .section-heading {
    margin-bottom: 26px;
  }

  .section-heading h2,
  .contact-copy h2 {
    font-size: 36px;
  }

  .section-heading > p:not(.eyebrow),
  .contact-copy > p:not(.eyebrow) {
    font-size: 16px;
  }

  .capability-grid,
  .scenario-grid,
  .advantage-grid,
  .ecosystem-grid,
  .detail-grid,
  .process-grid,
  .overview-grid,
  .dimension-grid,
  .deliverable-grid,
  .split-layout {
    grid-template-columns: 1fr;
  }

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

  .cta-band {
    padding-bottom: 70px;
  }

  .cta-panel {
    display: grid;
    padding: 24px;
  }

  .cta-panel h2 {
    font-size: 27px;
  }

  .feature-card,
  .scenario-card,
  .advantage-grid article,
  .ecosystem-card {
    min-height: auto;
    padding: 20px;
  }

  .solution-row {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 22px 0;
  }

  .solution-number {
    font-size: 13px;
  }

  .contact-section {
    padding: 76px 16px;
  }

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

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

  .qr-card {
    max-width: 192px;
  }

  .footer-main {
    display: grid;
  }

  .footer-main nav {
    justify-content: flex-start;
  }

  .footer-details {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .footer-contact-list p {
    grid-template-columns: 1fr;
    gap: 1px;
  }

  .footer-records {
    display: grid;
    gap: 6px;
  }

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

  .back-to-top {
    right: 16px;
    bottom: 88px;
  }
}

@media (max-width: 420px) {
  .site-nav {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 44px;
  }

  .hero h2 {
    font-size: 25px;
  }

  .section-heading h2,
  .contact-copy h2 {
    font-size: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}