:root {
  --canvas: #ffffff;
  --canvas-soft: #f6f9ff;
  --canvas-white: #ffffff;
  --canvas-cream: #eef5ff;
  --ink: #14213d;
  --ink-soft: #243b66;
  --muted: #60708f;
  --faint: #98a7c2;
  --line: #dce6f7;
  --blue: #1557ff;
  --blue-deep: #1e3a8a;
  --blue-soft: #edf4ff;
  --radius: 8px;
  --max: 1120px;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--canvas);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 50% 0%, rgba(21, 87, 255, 0.12), transparent 34rem),
    linear-gradient(180deg, #ffffff 0%, #f8fbff 44%, #ffffff 100%);
  color: var(--ink);
}

main > section {
  animation: section-rise 0.65s ease both;
  animation-timeline: view();
  animation-range: entry 0% cover 20%;
}

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

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

button,
input,
textarea {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding: 0 34px;
  background: rgba(255, 255, 255, 0.58);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-weight: 650;
}

.brand img {
  width: 30px;
  height: 30px;
  border-radius: var(--radius);
}

.brand span {
  font-family: "Noto Serif SC", "Songti SC", serif;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  color: var(--muted);
  font-size: 14px;
}

.site-nav a:hover,
.site-footer a:hover {
  color: var(--ink);
}

.nav-cta {
  min-height: 36px;
  padding: 9px 15px;
  border-radius: 999px;
  color: var(--blue);
  background: rgba(237, 244, 255, 0.52);
}

.nav-toggle {
  display: none;
}

.hero {
  width: min(var(--max), calc(100% - 44px));
  min-height: 0;
  margin: 0 auto;
  padding: 76px 0 70px;
  text-align: center;
  animation: hero-in 0.75s ease both;
}

.hero-kicker,
.section-label {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero-signal {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 22px;
}

.hero-signal span {
  padding: 7px 11px;
  border: 1px solid rgba(203, 219, 247, 0.72);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.64);
  color: var(--blue-deep);
  font-size: 13px;
  font-weight: 650;
}

:where(h1, h2, h3, p) {
  margin-top: 0;
}

.hero-title {
  max-width: 980px;
  margin: 0 auto 28px;
  font-size: clamp(50px, 8vw, 66px);
  font-weight: 560;
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-title span {
  position: relative;
  display: inline-block;
  color: var(--blue);
}

.hero-title span::before,
.hero-title span::after {
  content: "";
  position: absolute;
  left: 10%;
  right: 10%;
  height: 5px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(85, 201, 255, 0.92), rgba(21, 87, 255, 0.92));
}

.hero-title span::before {
  bottom: -9px;
}

.hero-title span::after {
  right: 28%;
  bottom: -18px;
  opacity: 0.48;
}

.section h2,
.feature-tile h2 {
  margin-bottom: 0;
  font-size: clamp(34px, 4.8vw, 58px);
  font-weight: 520;
  line-height: 1.05;
  letter-spacing: 0;
}

.service-list h3,
.timeline h3,
.industry-pair h3,
.article-strip h3 {
  margin-bottom: 12px;
  font-size: clamp(22px, 2.2vw, 30px);
  font-weight: 560;
  line-height: 1.18;
  letter-spacing: 0;
}

p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.82;
}

.hero-definition {
  max-width: 840px;
  margin: 0 auto 34px;
  color: var(--ink-soft);
  font-size: clamp(18px, 1.8vw, 16px);
  line-height: 1.72;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-bottom: 50px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 18px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 650;
  transition:
    transform 0.18s ease,
    background-color 0.18s ease,
    border-color 0.18s ease;
}

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

.button-blue {
  border: 0;
  background: var(--blue);
  color: var(--canvas-white);
  box-shadow: 0 14px 34px rgba(21, 87, 255, 0.2);
}

.button-plain {
  border: 1px solid rgba(21, 87, 255, 0.28);
  background: transparent;
  color: var(--blue);
}

.hero-art {
  width: min(1160px, 100%);
  margin: 0 auto;
  overflow: hidden;
  border-radius: var(--radius);
  background: transparent;
}

.hero-diagram {
  padding: 0;
}

.architecture-svg {
  display: block;
  width: 100%;
  height: auto;
  color: var(--blue);
}

.architecture-svg text {
  fill: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
}

.architecture-svg .arch-card rect,
.architecture-svg .layer-panel rect,
.architecture-svg .loop-card rect {
  fill: rgba(255, 255, 255, 0.94);
  stroke: rgba(203, 219, 247, 0.72);
  stroke-width: 1.2;
}

.architecture-svg .diagram-field {
  fill: rgba(255, 255, 255, 0.68);
  stroke: rgba(203, 219, 247, 0.5);
  stroke-width: 1;
}

.architecture-svg .tech-grid {
  fill: url("#techGrid");
  opacity: 0.85;
}

.architecture-svg .tech-circuit path,
.architecture-svg .tech-scan path {
  fill: none;
  stroke: url("#circuitLine");
  stroke-linecap: round;
}

.architecture-svg .tech-circuit path {
  stroke-width: 1.3;
}

.architecture-svg .tech-circuit circle {
  fill: #1557ff;
  opacity: 0.16;
}

.architecture-svg .tech-scan path {
  stroke-width: 1;
  stroke-dasharray: 5 12;
  opacity: 0.36;
}

.architecture-svg .arch-card text,
.architecture-svg .loop-card text {
  font-size: 16px;
  font-weight: 760;
}

.architecture-svg .arch-card use,
.architecture-svg .loop-card use,
.architecture-svg .infra-item use {
  color: var(--blue);
}

.architecture-svg .right-card use,
.architecture-svg .loop-card use {
  color: #7c4dff;
}

.architecture-svg .line-blue,
.architecture-svg .line-purple {
  fill: none;
  stroke-width: 2.2;
  stroke-linecap: round;
}

.architecture-svg .line-blue {
  stroke: url("#blueLine");
}

.architecture-svg .line-purple {
  stroke: url("#purpleLine");
}

.architecture-svg .line-tail {
  filter: drop-shadow(0 0 6px currentColor);
}

.architecture-svg .tail-blue {
  color: #49baff;
  fill: #49baff;
}

.architecture-svg .tail-purple {
  color: #8b5cf6;
  fill: #8b5cf6;
}

.architecture-svg .flow-particles {
  opacity: 0.72;
}

.architecture-svg .ghost {
  stroke-dasharray: 7 9;
  opacity: 0.48;
}

.architecture-svg .feedback-lines .ghost {
  stroke-width: 1.8;
  stroke-dasharray: 8 8;
  opacity: 0.58;
}

.architecture-svg .feedback-lines .faint {
  opacity: 0.26;
}

.architecture-svg .core-fde {
  fill: var(--blue);
  font-size: 58px;
  font-weight: 820;
}

.architecture-svg .core-engine {
  fill: var(--blue);
  font-size: 34px;
  font-weight: 800;
}

.architecture-svg .infra-item text {
  fill: var(--ink);
  font-size: 15px;
  font-weight: 730;
}

.architecture-svg .loop-item {
  fill: var(--ink-soft);
  font-size: 13px;
  font-weight: 620;
}

.architecture-svg .side-title {
  fill: var(--muted);
  font-size: 17px;
  font-weight: 520;
}

.architecture-svg .core-subtitle {
  fill: var(--ink);
  font-size: 15px;
  font-weight: 650;
}

.section,
.feature-tile {
  width: min(var(--max), calc(100% - 44px));
  margin: 0 auto;
}

.section {
  padding: 86px 0;
}

.section-intro {
  display: block;
  max-width: 760px;
  margin-bottom: 46px;
}

.section-intro.narrow {
  display: block;
  max-width: 800px;
  margin-bottom: 64px;
}

.section-intro.compact {
  margin-bottom: 36px;
}

.section-intro p:last-child {
  max-width: 680px;
  margin-top: 20px;
  margin-bottom: 0;
}

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

.service-list a {
  display: grid;
  grid-template-columns: 54px minmax(0, 0.8fr) minmax(320px, 1fr);
  gap: 24px;
  align-items: start;
  padding: 26px 0;
  border-bottom: 1px solid rgba(220, 230, 247, 0.5);
}

.service-list a:hover h3 {
  color: var(--blue);
}

.service-list a,
.article-strip a,
.industry-pair a,
.docs-grid a {
  transition:
    transform 0.18s ease,
    border-color 0.18s ease,
    background-color 0.18s ease;
}

.service-list a:hover,
.article-strip a:hover,
.industry-pair a:hover,
.docs-grid a:hover {
  transform: translateY(-2px);
}

.service-list span,
.timeline span,
.industry-pair span {
  color: var(--faint);
  font-size: 14px;
  font-weight: 650;
}

.service-list p {
  max-width: 620px;
  margin-bottom: 0;
}

.feature-tile {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
  align-items: start;
  padding: 54px;
  border: 1px solid rgba(203, 219, 247, 0.5);
  border-radius: var(--radius);
}

.tile-light {
  background: linear-gradient(135deg, #ffffff 0%, #f2f7ff 100%);
}

.tile-cream {
  background: var(--canvas-cream);
}

.feature-tile p:not(.section-label) {
  max-width: 660px;
  margin: 28px 0 0;
}

.difference-grid {
  display: grid;
  max-width: 860px;
}

.difference-grid div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 26px;
  padding: 24px 0;
  border-bottom: 1px solid rgba(220, 230, 247, 0.58);
}

.difference-grid strong {
  color: var(--ink);
  font-size: 20px;
  font-weight: 520;
  line-height: 1.5;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  display: grid;
  gap: 32px;
  min-height: 210px;
  padding: 24px;
  border: 1px solid rgba(203, 219, 247, 0.56);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.68);
  box-shadow: 0 18px 44px rgba(30, 58, 138, 0.045);
}

.timeline p {
  margin-bottom: 0;
}

.step-icon {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 22px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(21, 87, 255, 0.13), rgba(59, 130, 246, 0.06));
  color: var(--blue);
  box-shadow: inset 0 0 0 1px rgba(21, 87, 255, 0.12);
}

.step-icon svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.industries {
  width: 100%;
  max-width: none;
  padding-right: max(22px, calc((100% - var(--max)) / 2));
  padding-left: max(22px, calc((100% - var(--max)) / 2));
  background: linear-gradient(180deg, #f7faff 0%, #ffffff 100%);
}

.industry-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

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

.industry-pair a {
  min-height: 260px;
  padding: 32px;
  border: 1px solid rgba(203, 219, 247, 0.5);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 18px 50px rgba(30, 58, 138, 0.06);
}

.industry-pair h3 {
  margin-top: 62px;
}

.industry-pair a:hover h3 {
  color: var(--blue);
}

.solution-page {
  width: min(var(--max), calc(100% - 44px));
  margin: 0 auto;
  padding: 78px 0 82px;
}

.solution-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.85fr);
  gap: 56px;
  align-items: center;
  min-height: 560px;
}

.solution-hero h1 {
  max-width: 780px;
  margin: 16px 0 18px;
  color: #152b58;
  font-size: clamp(42px, 7vw, 78px);
  line-height: 1.02;
  letter-spacing: 0;
  text-align: left;
}

.solution-lead {
  max-width: 670px;
  color: #536989;
  font-size: clamp(18px, 2.2vw, 22px);
  line-height: 1.85;
}

.solution-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.solution-media {
  position: relative;
  min-height: 430px;
  overflow: hidden;
  border: 1px solid rgba(203, 219, 247, 0.72);
  border-radius: 24px;
  background: #f8fbff;
}

.solution-media img {
  width: 100%;
  height: 100%;
  min-height: 430px;
  object-fit: cover;
  display: block;
  filter: saturate(0.98);
}

.solution-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0) 42%, rgba(248, 251, 255, 0.86) 100%),
    radial-gradient(circle at 18% 16%, rgba(21, 87, 255, 0.2), transparent 30%);
}

.solution-section {
  margin-top: 84px;
}

.solution-section h2 {
  max-width: 760px;
  margin: 0 0 20px;
  color: #152b58;
  font-size: clamp(30px, 4.4vw, 50px);
  line-height: 1.12;
  letter-spacing: 0;
  text-align: left;
}

.solution-section > p {
  max-width: 760px;
  color: #60708f;
  font-size: 17px;
  line-height: 1.85;
}

.solution-cards,
.solution-matrix {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 30px;
}

.solution-card,
.solution-matrix article {
  min-height: 180px;
  padding: 24px;
  border: 1px solid rgba(203, 219, 247, 0.72);
  border-radius: 18px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.solution-card span,
.solution-matrix span {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin-bottom: 18px;
  border-radius: 12px;
  background: #edf4ff;
  color: var(--blue);
  font-size: 18px;
  font-weight: 750;
}

.solution-card h3,
.solution-matrix h3 {
  margin: 0 0 10px;
  color: #172b53;
  font-size: 20px;
}

.solution-card p,
.solution-matrix p {
  margin: 0;
  color: #60708f;
  line-height: 1.75;
}

.solution-diagram {
  margin-top: 34px;
  padding: 34px;
  border: 1px solid rgba(203, 219, 247, 0.72);
  border-radius: 24px;
  background:
    radial-gradient(circle at 12% 18%, rgba(21, 87, 255, 0.1), transparent 28%),
    linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.solution-diagram svg {
  width: 100%;
  height: auto;
  display: block;
}

.solution-timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
  padding: 0;
  counter-reset: step;
}

.solution-timeline li {
  list-style: none;
  padding: 22px;
  border: 1px solid rgba(203, 219, 247, 0.72);
  border-radius: 18px;
  background: #ffffff;
  color: #60708f;
  line-height: 1.75;
}

.solution-timeline li::before {
  counter-increment: step;
  content: counter(step);
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  margin-bottom: 14px;
  border-radius: 50%;
  background: var(--blue);
  color: #ffffff;
  font-weight: 750;
}

.solution-faq {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.solution-faq details {
  padding: 18px 20px;
  border: 1px solid rgba(203, 219, 247, 0.72);
  border-radius: 16px;
  background: #ffffff;
}

.solution-faq summary {
  cursor: pointer;
  color: #172b53;
  font-weight: 650;
}

.solution-faq p {
  margin: 12px 0 0;
  color: #60708f;
  line-height: 1.75;
}

.article-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}

.article-strip a {
  min-height: 180px;
  padding: 24px;
  border: 1px solid rgba(203, 219, 247, 0.46);
  border-radius: var(--radius);
  background: rgba(246, 249, 255, 0.86);
}

.article-strip span {
  display: inline-block;
  margin-bottom: 34px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 650;
}

.article-strip h3 {
  font-size: 22px;
}

.article-strip a:hover h3,
.text-link:hover {
  color: var(--blue);
}

.text-link {
  color: var(--blue);
  font-size: 15px;
  font-weight: 650;
}

.answers {
  display: block;
}

.answers .section-intro {
  display: block;
  margin-bottom: 32px;
}

.faq-list {
  display: grid;
  max-width: 860px;
  gap: 10px;
}

details {
  border-bottom: 1px solid rgba(220, 230, 247, 0.58);
}

summary {
  cursor: pointer;
  padding: 22px 0;
  color: var(--ink);
  font-size: 20px;
  font-weight: 560;
  line-height: 1.35;
  transition: color 0.18s ease;
}

summary:hover {
  color: var(--blue);
}

details p {
  margin: 0;
  padding: 0 0 24px;
}

label {
  display: grid;
  gap: 8px;
}

label span {
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 650;
}

input,
textarea {
  width: 100%;
  border: 0;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  padding: 14px 15px;
  box-shadow: inset 0 0 0 1px rgba(220, 230, 247, 0.62);
}

textarea {
  resize: vertical;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(220px, 0.8fr) minmax(0, 1.8fr);
  gap: 44px;
  align-items: start;
  padding: 44px 34px 48px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

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

.footer-brand strong,
.footer-map strong {
  color: var(--ink);
}

.footer-map {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 26px;
}

.footer-map div {
  display: grid;
  gap: 10px;
  align-content: start;
}

.footer-map strong {
  margin-bottom: 4px;
  font-size: 13px;
  font-weight: 650;
}

.footer-map a {
  color: var(--muted);
  font-size: 13px;
}

.footer-legal {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid rgba(220, 230, 247, 0.72);
  color: #8b98ad;
  font-size: 12px;
  line-height: 1.7;
}

.page-hero {
  width: min(var(--max), calc(100% - 44px));
  margin: 0 auto;
  padding: 78px 0 54px;
}

.page-hero h1 {
  max-width: 900px;
  margin: 0 0 24px;
  font-size: clamp(44px, 7vw, 82px);
  text-align: left;
}

.page-hero p:not(.section-label) {
  max-width: 760px;
  color: var(--ink-soft);
  font-size: 20px;
}

.listing,
.docs-grid {
  width: min(var(--max), calc(100% - 44px));
  margin: 0 auto 84px;
}

.listing {
  display: grid;
}

.listing article a {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid rgba(220, 230, 247, 0.5);
}

.listing span,
.docs-grid span {
  color: var(--blue);
  font-size: 13px;
  font-weight: 650;
}

.listing h2 {
  margin-bottom: 12px;
  font-size: 28px;
  font-weight: 540;
}

.listing p {
  grid-column: 2;
  max-width: 720px;
  margin-bottom: 0;
}

.listing a:hover h2,
.docs-grid a:hover h2 {
  color: var(--blue);
}

.docs-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.docs-grid a {
  min-height: 200px;
  padding: 26px;
  border: 1px solid rgba(203, 219, 247, 0.46);
  border-radius: var(--radius);
  background: rgba(246, 249, 255, 0.86);
}

.docs-grid h2 {
  margin-top: 30px;
  font-size: 26px;
}

.article-page {
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.article-layout {
  width: min(760px, calc(100% - 44px));
  margin: 0 auto;
  padding: 76px 0 96px;
}

.article-layout h1 {
  margin: 0 0 22px;
  font-size: clamp(40px, 6vw, 72px);
  text-align: left;
}

.article-layout h2 {
  margin-top: 54px;
  margin-bottom: 16px;
  font-size: 30px;
}

.article-lead {
  color: var(--ink-soft);
  font-size: 21px;
}

.tldr {
  margin: 34px 0 46px;
  padding: 24px;
  border: 1px solid rgba(203, 219, 247, 0.56);
  border-radius: var(--radius);
  background: rgba(246, 249, 255, 0.9);
}

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

.tldr p {
  margin: 10px 0 0;
}

.article-faq details {
  border-bottom: 1px solid rgba(220, 230, 247, 0.58);
}

.related-links {
  display: grid;
  gap: 12px;
  margin-top: 54px;
}

.related-links a {
  color: var(--blue);
  font-weight: 650;
}

@media (max-width: 980px) {
  .feature-tile,
  .answers {
    grid-template-columns: 1fr;
  }

  .service-list a {
    grid-template-columns: 48px 1fr;
  }

  .service-list p {
    grid-column: 2;
  }

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

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

  .article-strip {
    grid-template-columns: 1fr;
  }

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

  .industry-pair a {
    min-height: 300px;
  }

  .industry-pair h3 {
    margin-top: 80px;
  }

  .solution-hero,
  .solution-cards,
  .solution-matrix,
  .solution-timeline {
    grid-template-columns: 1fr;
  }

  .solution-hero {
    min-height: auto;
    gap: 30px;
  }

  .solution-media,
  .solution-media img {
    min-height: 300px;
  }
}

@media (max-width: 720px) {
  .site-header {
    min-height: 62px;
    padding: 0 18px;
  }

  .nav-toggle {
    display: inline-grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border: 0;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.78);
  }

  .nav-toggle span {
    width: 16px;
    height: 2px;
    margin: 3px 0;
    background: var(--blue);
  }

  .site-nav {
    position: absolute;
    top: 62px;
    right: 14px;
    left: 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 18px 50px rgba(30, 58, 138, 0.12);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 14px;
  }

  .nav-cta {
    text-align: center;
  }

  .hero,
  .section,
  .feature-tile {
    width: min(100% - 30px, var(--max));
  }

  .hero {
    min-height: 0;
    padding: 52px 0;
  }

  .hero-signal {
    margin-bottom: 16px;
  }

  .hero-title {
    font-size: 48px;
  }

  .section h2,
  .feature-tile h2 {
    font-size: 34px;
  }

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

  .hero-actions {
    margin-bottom: 46px;
  }

  .hero-art {
    overflow-x: auto;
  }

  .architecture-svg {
    min-width: 940px;
  }

  .section {
    padding: 64px 0;
  }

  .section-intro {
    margin-bottom: 44px;
  }

  .service-list a {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 28px 0;
  }

  .service-list p {
    grid-column: auto;
  }

  .feature-tile {
    padding: 30px 22px;
  }

  .difference-grid div,
  .timeline li {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .industry-pair a {
    min-height: 260px;
    padding: 30px;
  }

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

  .industry-pair h3 {
    margin-top: 60px;
  }

  .solution-page {
    width: min(100% - 30px, var(--max));
    padding: 54px 0 62px;
  }

  .solution-diagram {
    padding: 18px;
    overflow-x: auto;
  }

  .site-footer {
    align-items: flex-start;
    grid-template-columns: 1fr;
    padding: 28px 18px;
  }

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

  .page-hero {
    width: min(100% - 30px, var(--max));
    padding: 54px 0 36px;
  }

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

  .listing,
  .docs-grid {
    width: min(100% - 30px, var(--max));
    margin-bottom: 56px;
  }

  .listing article a,
  .docs-grid {
    grid-template-columns: 1fr;
  }

  .listing p {
    grid-column: auto;
  }

  .docs-grid h2 {
    margin-top: 34px;
  }
}

@keyframes hero-in {
  from {
    opacity: 1;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes section-rise {
  from {
    opacity: 1;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

  main > section {
    animation: none;
  }
}