:root {
  --ink: #172027;
  --muted: #5b6770;
  --line: #d9e1e6;
  --paper: #f7f9f8;
  --white: #ffffff;
  --teal: #007f78;
  --teal-dark: #00635f;
  --amber: #c68022;
  --green: #3e8f55;
  --charcoal: #0c1116;
  --shadow: 0 18px 45px rgba(21, 31, 38, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: 0;
}

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

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

button {
  font: inherit;
}

.container {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  width: 100%;
  min-height: 72px;
  padding: 0 44px;
  color: var(--white);
  background: rgba(10, 15, 20, 0.58);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  white-space: nowrap;
}

.brand-mark {
  position: relative;
  width: 28px;
  height: 28px;
  border: 2px solid rgba(255, 255, 255, 0.85);
  border-radius: 6px;
}

.brand-mark::before,
.brand-mark::after {
  position: absolute;
  content: "";
  background: var(--teal);
  border-radius: 2px;
}

.brand-mark::before {
  width: 12px;
  height: 12px;
  top: 4px;
  left: 4px;
}

.brand-mark::after {
  width: 8px;
  height: 8px;
  right: 4px;
  bottom: 4px;
  background: var(--amber);
}

.site-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4px;
}

.site-nav a {
  padding: 8px 14px;
  border-radius: 4px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 15px;
  transition: color 180ms ease, background 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus,
.site-nav a.active {
  color: var(--white);
  background: rgba(255, 255, 255, 0.11);
}

.header-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 18px;
  color: var(--white);
  font-weight: 700;
  background: var(--teal);
  border-radius: 4px;
  box-shadow: 0 10px 24px rgba(0, 127, 120, 0.32);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  gap: 5px;
  flex-direction: column;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 4px;
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
}

.hero {
  position: relative;
  min-height: 720px;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: var(--white);
  background: var(--charcoal);
}

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

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5, 9, 13, 0.92) 0%, rgba(5, 9, 13, 0.70) 35%, rgba(5, 9, 13, 0.20) 72%, rgba(5, 9, 13, 0.58) 100%),
    linear-gradient(180deg, rgba(5, 9, 13, 0.26) 0%, rgba(5, 9, 13, 0.78) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 128px 0 72px;
}

.section-kicker {
  margin: 0 0 12px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.hero .section-kicker {
  color: #5ed2c7;
}

.hero h1 {
  max-width: 680px;
  margin: 0;
  font-size: 64px;
  line-height: 1.08;
  font-weight: 800;
}

.hero-copy {
  max-width: 620px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 20px;
}

.hero-actions,
.contact-layout {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-actions {
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-weight: 800;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.button:hover,
.button:focus {
  transform: translateY(-1px);
}

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

.button-primary:hover,
.button-primary:focus {
  background: var(--teal-dark);
}

.button-secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.08);
}

.button-secondary:hover,
.button-secondary:focus {
  border-color: rgba(255, 255, 255, 0.75);
  background: rgba(255, 255, 255, 0.14);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 180px));
  gap: 14px;
  margin-top: 70px;
}

.hero-metrics div {
  min-height: 96px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  backdrop-filter: blur(14px);
}

.hero-metrics strong {
  display: block;
  font-size: 28px;
  line-height: 1.2;
}

.hero-metrics span {
  display: block;
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 14px;
}

.section {
  padding: 94px 0;
}

.intro-band {
  padding: 52px 0;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 60px;
  align-items: end;
}

.intro-grid h2,
.section-heading h2,
.about-copy h2,
.about-page-layout h2,
.region-layout h2,
.contact-band h2 {
  margin: 0;
  font-size: 42px;
  line-height: 1.2;
}

.intro-grid p:last-child,
.section-heading p,
.about-copy p,
.contact-band p {
  color: var(--muted);
}

.section-heading {
  max-width: 740px;
  margin-bottom: 42px;
}

.section-heading p {
  margin: 14px 0 0;
}

.section-action {
  margin-top: 30px;
}

.about-action {
  grid-column: 1 / -1;
  margin-top: -36px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--teal);
  font-weight: 800;
}

.text-link::after {
  content: "→";
  font-size: 18px;
  line-height: 1;
  transition: transform 180ms ease;
}

.text-link:hover::after,
.text-link:focus::after {
  transform: translateX(3px);
}

.light-link {
  color: #7ee1d8;
}

.split-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr);
  gap: 56px;
  align-items: end;
  max-width: none;
}

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

.product-card,
.case-card {
  min-height: 320px;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 1px 0 rgba(21, 31, 38, 0.04);
}

.product-card {
  display: flex;
  flex-direction: column;
}

.product-card h3,
.case-card h3 {
  margin: 18px 0 10px;
  font-size: 22px;
  line-height: 1.25;
}

.product-card p,
.case-card p {
  margin: 0;
  color: var(--muted);
}

.product-card ul {
  display: grid;
  gap: 7px;
  margin: auto 0 0;
  padding: 24px 0 0;
  color: var(--ink);
  list-style: none;
  font-size: 14px;
}

.product-card li {
  position: relative;
  padding-left: 18px;
}

.product-card li::before {
  position: absolute;
  top: 10px;
  left: 0;
  width: 7px;
  height: 7px;
  content: "";
  background: var(--teal);
  border-radius: 50%;
}

.card-icon {
  position: relative;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: #e7f4f1;
  border: 1px solid #c7e6df;
}

.card-icon::before,
.card-icon::after {
  position: absolute;
  content: "";
}

.compute-icon::before {
  inset: 11px;
  border: 2px solid var(--teal);
  border-radius: 4px;
}

.compute-icon::after {
  width: 18px;
  height: 2px;
  top: 21px;
  left: 13px;
  background: var(--amber);
}

.inference-icon::before {
  width: 22px;
  height: 22px;
  top: 10px;
  left: 10px;
  border: 2px solid var(--teal);
  border-radius: 50%;
}

.inference-icon::after {
  width: 10px;
  height: 10px;
  right: 9px;
  bottom: 9px;
  background: var(--amber);
  border-radius: 50%;
}

.storage-icon::before {
  width: 24px;
  height: 22px;
  top: 11px;
  left: 10px;
  border: 2px solid var(--teal);
  border-radius: 4px;
}

.storage-icon::after {
  width: 18px;
  height: 2px;
  top: 20px;
  left: 13px;
  background: var(--amber);
  box-shadow: 0 7px 0 var(--amber);
}

.ops-icon::before {
  width: 24px;
  height: 24px;
  top: 10px;
  left: 10px;
  border: 2px solid var(--teal);
  border-radius: 50%;
}

.ops-icon::after {
  width: 6px;
  height: 16px;
  top: 14px;
  left: 19px;
  background: var(--amber);
  border-radius: 4px;
}

.section-muted {
  background: #eef3f1;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.solution-layout {
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr);
  gap: 24px;
}

.solution-tabs {
  display: grid;
  gap: 10px;
}

.solution-tab {
  min-height: 58px;
  padding: 0 18px;
  color: var(--ink);
  text-align: left;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.solution-tab.active,
.solution-tab:hover,
.solution-tab:focus {
  color: var(--white);
  background: var(--teal);
  border-color: var(--teal);
}

.solution-panel {
  min-height: 352px;
  padding: 42px;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(12, 17, 22, 0.96), rgba(18, 37, 35, 0.96)),
    var(--charcoal);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.solution-label {
  display: inline-flex;
  margin: 0 0 22px;
  color: #7ee1d8;
  font-size: 14px;
  font-weight: 800;
}

.solution-panel h3 {
  max-width: 760px;
  margin: 0;
  font-size: 34px;
  line-height: 1.25;
}

.solution-panel > p:not(.solution-label) {
  max-width: 780px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 17px;
}

.solution-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
}

.solution-points span {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  padding: 0 13px;
  color: rgba(255, 255, 255, 0.86);
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 4px;
  font-size: 14px;
}

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

.case-card {
  min-height: 280px;
}

.case-type {
  color: var(--teal) !important;
  font-weight: 800;
}

.case-card strong {
  display: block;
  margin-top: 24px;
  color: var(--amber);
  font-size: 18px;
}

.about-section {
  color: var(--white);
  background: #131915;
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr);
  gap: 72px;
  align-items: start;
}

.about-copy .section-kicker {
  color: #7ee1d8;
}

.about-copy p {
  color: rgba(255, 255, 255, 0.75);
}

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

.about-list div {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 24px;
  min-height: 92px;
  align-items: center;
  padding: 24px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
}

.about-list strong {
  color: #ffffff;
  font-size: 19px;
}

.about-list span {
  color: rgba(255, 255, 255, 0.72);
}

.contact-band {
  padding: 64px 0;
  background: #f4f0e9;
  border-top: 1px solid #e8ddcf;
}

.contact-layout {
  justify-content: space-between;
}

.contact-layout > div {
  max-width: 740px;
}

.contact-band .section-kicker {
  color: var(--amber);
}

.contact-band h2 {
  font-size: 36px;
}

.contact-band p {
  margin: 12px 0 0;
}

.site-footer {
  padding: 24px 0;
  color: rgba(255, 255, 255, 0.68);
  background: var(--charcoal);
  font-size: 14px;
}

.footer-layout {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-layout p {
  margin: 0;
}

.footer-layout div {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-layout a:hover,
.footer-layout a:focus {
  color: var(--white);
}

.page-hero {
  position: relative;
  min-height: 470px;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: var(--white);
  background: var(--charcoal);
}

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

.page-hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5, 9, 13, 0.94), rgba(5, 9, 13, 0.62) 46%, rgba(5, 9, 13, 0.48)),
    linear-gradient(180deg, rgba(5, 9, 13, 0.26), rgba(5, 9, 13, 0.86));
}

.page-hero-content {
  position: relative;
  z-index: 1;
  padding: 140px 0 72px;
}

.page-hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: 56px;
  line-height: 1.1;
}

.page-hero p:not(.section-kicker) {
  max-width: 720px;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 19px;
}

.page-hero-tags,
.tag-row,
.stat-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-hero-tags {
  margin-top: 30px;
}

.page-hero-tags span,
.tag-row span {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  color: rgba(255, 255, 255, 0.84);
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 4px;
  font-size: 14px;
}

.detail-grid,
.solution-deep-grid,
.story-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.detail-card,
.solution-deep-card,
.story-card,
.package-card,
.timeline-grid article {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 1px 0 rgba(21, 31, 38, 0.04);
}

.detail-card,
.solution-deep-card,
.story-card {
  padding: 30px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.detail-card h3,
.solution-deep-card h3,
.story-card h3,
.package-card h3,
.timeline-grid h3 {
  margin: 0;
  font-size: 24px;
  line-height: 1.3;
}

.detail-card p:not(.eyebrow),
.solution-deep-card p:not(.eyebrow),
.story-card p:not(.case-type),
.package-card p,
.timeline-grid p {
  color: var(--muted);
}

.feature-list {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  padding-left: 20px;
}

.feature-list li::before {
  position: absolute;
  top: 11px;
  left: 0;
  width: 8px;
  height: 8px;
  content: "";
  background: var(--teal);
  border-radius: 50%;
}

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

.comparison-table {
  width: 100%;
  min-width: 860px;
  border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
  padding: 18px 20px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.comparison-table thead th {
  color: var(--white);
  background: #14201f;
  font-weight: 800;
}

.comparison-table tbody th {
  width: 150px;
  color: var(--teal);
  font-weight: 800;
}

.comparison-table tr:last-child th,
.comparison-table tr:last-child td {
  border-bottom: 0;
}

.package-grid,
.process-grid,
.timeline-grid,
.result-grid,
.principle-grid,
.about-metrics {
  display: grid;
  gap: 18px;
}

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

.package-card {
  min-height: 230px;
  padding: 28px;
}

.package-card span,
.timeline-grid article > span,
.architecture-flow span {
  color: var(--amber);
  font-size: 14px;
  font-weight: 800;
}

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

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

.process-grid div,
.capability-grid div,
.result-grid div,
.principle-grid div,
.about-metrics div {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.process-grid strong,
.capability-grid strong,
.result-grid strong,
.principle-grid strong,
.about-metrics strong,
.region-panel strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 19px;
  line-height: 1.3;
}

.process-grid span,
.capability-grid span,
.result-grid span,
.principle-grid span,
.about-metrics span,
.region-panel span {
  color: var(--muted);
}

.solution-deep-card {
  min-height: 330px;
}

.stat-row {
  margin-top: 24px;
}

.stat-row span {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  gap: 6px;
  padding: 0 13px;
  color: var(--muted);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 4px;
}

.stat-row strong {
  color: var(--amber);
  font-size: 19px;
}

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

.architecture-flow div {
  min-height: 240px;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.architecture-flow strong {
  display: block;
  margin: 14px 0 8px;
  font-size: 20px;
}

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

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.timeline-grid article {
  min-height: 230px;
  padding: 26px;
}

.timeline-grid h3 {
  margin-top: 10px;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
}

.filter-button {
  min-height: 40px;
  padding: 0 16px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 4px;
  cursor: pointer;
}

.filter-button.active,
.filter-button:hover,
.filter-button:focus {
  color: var(--white);
  background: var(--teal);
  border-color: var(--teal);
}

.story-card.hidden {
  display: none;
}

.story-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 22px;
}

.story-stats span {
  min-height: 66px;
  padding: 12px;
  color: var(--muted);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 4px;
}

.story-stats strong {
  display: block;
  color: var(--amber);
  font-size: 22px;
  line-height: 1.2;
}

.tag-row {
  margin-top: 18px;
}

.tag-row span {
  color: var(--ink);
  background: #eef3f1;
  border-color: #d8e7e1;
}

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

.about-page-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 64px;
  align-items: start;
}

.about-page-layout p {
  color: var(--muted);
}

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

.about-metrics div {
  min-height: 144px;
}

.about-metrics strong {
  color: var(--teal);
  font-size: 28px;
}

.principles-section {
  color: var(--white);
  background: #141b18;
}

.principles-section .section-kicker {
  color: #7ee1d8;
}

.principles-section .section-heading p {
  color: rgba(255, 255, 255, 0.72);
}

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

.principle-grid div {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
}

.principle-grid strong {
  color: var(--white);
}

.principle-grid span {
  color: rgba(255, 255, 255, 0.72);
}

.region-section {
  background: #eef3f1;
}

.region-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 42px;
  align-items: center;
}

.region-layout p {
  color: var(--muted);
}

.region-panel {
  padding: 30px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

@media (max-width: 1040px) {
  .site-header {
    padding: 0 24px;
  }

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

  .hero h1 {
    font-size: 52px;
  }

  .split-heading,
  .intro-grid,
  .about-layout,
  .about-page-layout,
  .region-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }

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

@media (max-width: 820px) {
  .site-header {
    grid-template-columns: auto auto;
    justify-content: space-between;
    min-height: 64px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .header-action {
    display: none;
  }

  .site-nav {
    position: absolute;
    top: 64px;
    left: 16px;
    right: 16px;
    display: none;
    padding: 10px;
    background: rgba(10, 15, 20, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

  .site-nav.open {
    display: grid;
    justify-content: stretch;
  }

  .site-nav a {
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  .hero {
    min-height: 680px;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(5, 9, 13, 0.94), rgba(5, 9, 13, 0.62)),
      linear-gradient(180deg, rgba(5, 9, 13, 0.22), rgba(5, 9, 13, 0.84));
  }

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

  .hero-copy {
    font-size: 18px;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
    max-width: 360px;
    margin-top: 46px;
  }

  .section {
    padding: 72px 0;
  }

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

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

  .case-grid,
  .detail-grid,
  .solution-deep-grid,
  .story-grid,
  .package-grid,
  .process-grid,
  .timeline-grid,
  .result-grid {
    grid-template-columns: 1fr;
  }

  .page-hero {
    min-height: 430px;
  }

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

  .page-hero p:not(.section-kicker) {
    font-size: 17px;
  }
}

@media (max-width: 640px) {
  .container,
  .hero-content {
    width: min(100% - 32px, 1180px);
  }

  .site-header {
    padding: 0 16px;
  }

  .brand span:last-child {
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .hero {
    min-height: 720px;
  }

  .hero-image {
    object-position: 64% center;
  }

  .hero h1 {
    font-size: 36px;
  }

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

  .button {
    width: 100%;
  }

  .hero-actions {
    align-items: stretch;
  }

  .intro-grid h2,
  .section-heading h2,
  .about-copy h2,
  .about-page-layout h2,
  .region-layout h2,
  .contact-band h2 {
    font-size: 30px;
  }

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

  .product-card,
  .case-card {
    min-height: auto;
  }

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

  .solution-panel {
    padding: 28px;
  }

  .solution-panel h3 {
    font-size: 26px;
  }

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

  .contact-layout {
    align-items: stretch;
  }

  .page-hero {
    min-height: 480px;
  }

  .page-hero-image {
    object-position: 64% center;
  }

  .page-hero h1 {
    font-size: 36px;
  }

  .page-hero-content {
    padding: 118px 0 56px;
  }

  .capability-grid,
  .architecture-flow,
  .principle-grid,
  .about-metrics,
  .story-stats {
    grid-template-columns: 1fr;
  }

  .detail-card,
  .solution-deep-card,
  .story-card,
  .solution-panel {
    padding: 24px;
  }

  .about-action {
    margin-top: 0;
  }

  .filter-button {
    flex: 1 1 calc(50% - 10px);
  }
}
