:root {
  --bg: #f2efe8;
  --bg-strong: #e6dfd2;
  --surface: rgba(255, 250, 242, 0.78);
  --surface-strong: #fff9f1;
  --ink: #14213d;
  --ink-soft: #44516d;
  --accent: #1f7a5b;
  --accent-2: #ee6c4d;
  --line: rgba(20, 33, 61, 0.12);
  --shadow: 0 24px 80px rgba(20, 33, 61, 0.12);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --container: 1320px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Segoe UI Variable Display", "Bahnschrift", "Microsoft YaHei UI", "PingFang SC", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(31, 122, 91, 0.22), transparent 28%),
    radial-gradient(circle at 85% 10%, rgba(238, 108, 77, 0.18), transparent 26%),
    linear-gradient(180deg, #f6f2eb 0%, #efe8dc 100%);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(20, 33, 61, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 33, 61, 0.035) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.5), transparent 92%);
}

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

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

.site-shell {
  width: min(calc(100% - 48px), var(--container));
  margin: 14px auto;
}

.hero-copy,
.hero-visual,
.topbar,
.brand,
.footer,
.docs-article,
.docs-sidebar {
  min-width: 0;
}

.topbar,
.trust-strip,
.deploy-panel,
.closing,
.footer {
  backdrop-filter: blur(14px);
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow: var(--shadow);
}

.topbar {
  position: sticky;
  top: 16px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 16px;
  border-radius: 999px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.brand img {
  width: auto;
  height: 38px;
  object-fit: contain;
  flex: none;
}

.nav {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav a {
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--ink);
  background: rgba(20, 33, 61, 0.06);
}

.nav-cta {
  color: #fff !important;
  background: var(--ink);
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 50%;
  background: rgba(20, 33, 61, 0.08);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 0 auto;
  background: var(--ink);
}

.menu-toggle span + span {
  margin-top: 6px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 36px;
  padding: 48px 0 20px;
  align-items: center;
}

.hero-copy {
  max-width: 580px;
}

.hero-tag {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.hero-tag span {
  padding: 7px 11px;
  border-radius: 999px;
  border: 1px solid rgba(31, 122, 91, 0.18);
  background: rgba(31, 122, 91, 0.08);
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 700;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.82rem;
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: 0.08em;
  opacity: 0.92;
}

.hero h1,
.section-heading h2,
.deploy-panel h2,
.closing h2 {
  margin: 0;
  font-size: clamp(1.38rem, 2vw, 2.05rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  text-wrap: balance;
  word-break: keep-all;
}

.hero h1 {
  font-size: clamp(1.9rem, 3vw, 2.9rem);
  line-height: 1.06;
  max-width: 8.4em;
}

.lead,
.deploy-copy,
.closing-copy p,
.feature-card p,
.timeline-item p,
.footer p {
  color: var(--ink-soft);
  font-size: 0.98rem;
  line-height: 1.75;
}

.lead {
  max-width: 46ch;
}

.hero-actions,
.closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 18px 0 22px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--ink), #243b67);
  box-shadow: 0 18px 30px rgba(20, 33, 61, 0.2);
}

.button-secondary,
.button-ghost {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
}

.hero-metrics div,
.feature-card,
.timeline-item {
  padding: 15px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.42);
}

.feature-card,
.timeline-item,
.doc-card,
.scenario-grid article {
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.feature-card:hover,
.timeline-item:hover,
.doc-card:hover,
.scenario-grid article:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 48px rgba(20, 33, 61, 0.1);
  border-color: rgba(31, 122, 91, 0.18);
}

.hero-metrics dt {
  margin-bottom: 6px;
  font-size: 1.28rem;
  font-weight: 800;
}

.hero-metrics dd {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.5;
}

.hero-visual {
  position: relative;
}

.visual-frame {
  position: relative;
  padding: 18px;
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(20, 33, 61, 0.94), rgba(28, 45, 84, 0.78)),
    linear-gradient(135deg, rgba(31, 122, 91, 0.6), rgba(238, 108, 77, 0.3));
  box-shadow: 0 32px 80px rgba(20, 33, 61, 0.22);
  overflow: hidden;
}

.visual-frame::before {
  content: "";
  position: absolute;
  inset: -20% 15% auto auto;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(31, 122, 91, 0.22);
  filter: blur(16px);
}

.visual-frame img {
  position: relative;
  z-index: 1;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.trust-strip,
.closing,
.footer {
  border-radius: var(--radius-xl);
}

.trust-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  margin: 10px 0 48px;
}

.trust-strip p {
  margin: 0;
  font-size: 0.96rem;
  font-weight: 600;
}

.trust-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.trust-grid span {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.46);
  color: var(--ink-soft);
  font-size: 0.84rem;
}

.positioning,
.docs-intro,
.docs-cta {
  display: grid;
  gap: 18px;
}

.positioning {
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  align-items: start;
}

.positioning-copy {
  max-width: 620px;
}

.positioning-points,
.scenario-grid {
  display: grid;
  gap: 16px;
}

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

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

.positioning-points div,
.scenario-grid article,
.docs-intro-card,
.docs-cta {
  padding: 16px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.42);
  box-shadow: var(--shadow);
}

.positioning-points strong,
.scenario-grid h3 {
  display: block;
  margin-bottom: 8px;
  font-size: 1.02rem;
}

.positioning-points span,
.scenario-grid p,
.docs-intro-card p,
.docs-cta p {
  color: var(--ink-soft);
  font-size: 0.96rem;
  line-height: 1.65;
}

section + section {
  margin-top: 44px;
}

.section-heading {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
  max-width: 820px;
}

.section-heading h2,
.deploy-panel h2,
.closing h2 {
  max-width: 13em;
  font-size: clamp(1.24rem, 1.7vw, 1.78rem);
}

.deploy-panel h2,
.closing h2 {
  max-width: 11em;
}

.section-heading p,
.positioning-copy p,
.closing-copy p,
.deploy-copy {
  max-width: 58ch;
}

.card-grid,
.timeline {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.feature-card,
.timeline-item {
  min-height: 150px;
}

.feature-card p,
.timeline-item p {
  max-width: 42ch;
}

.feature-index,
.timeline-item span {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--accent-2);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.feature-card h3,
.timeline-item h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.deploy-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 440px);
  gap: 24px;
  padding: 22px;
  border-radius: var(--radius-xl);
}

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

.deploy-list div {
  display: grid;
  gap: 4px;
  padding: 13px 14px;
  border-radius: 14px;
  background: rgba(20, 33, 61, 0.92);
  color: #fff;
}

.deploy-list strong {
  font-size: 0.96rem;
}

.deploy-list span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.86rem;
}

.closing {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px;
}

.closing-copy {
  max-width: 720px;
}

.positioning-copy p {
  max-width: 60ch;
}

.closing-copy p {
  max-width: 56ch;
}

.footer {
  display: grid;
  grid-template-columns: 1.2fr 1fr auto;
  gap: 14px;
  margin: 44px 0 22px;
  padding: 18px;
}

.footer strong {
  font-size: 1.18rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-content: start;
}

.footer-links a,
.footer-meta a {
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.footer-unified {
  grid-template-columns: minmax(280px, 1fr) auto;
  grid-template-rows: auto auto;
  align-items: start;
  column-gap: 28px;
  row-gap: 10px;
}

.footer-links-right {
  grid-column: 2;
  grid-row: 1;
  justify-content: flex-end;
  align-self: end;
}

.footer-meta-stack {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 18px;
  margin: 0;
  grid-column: 2;
  grid-row: 2;
  text-align: right;
}

.footer-unified > :first-child {
  grid-column: 1;
  grid-row: 1 / span 2;
  max-width: 420px;
}

.footer-meta-stack a:last-child {
  color: rgba(68, 81, 109, 0.82);
}

.page-hero {
  padding: 52px 0 22px;
}

.docs-home-hero {
  max-width: 900px;
}

.page-hero.compact {
  padding-bottom: 12px;
}

.page-hero h1 {
  margin: 0;
  max-width: 12ch;
  font-size: clamp(1.9rem, 3vw, 3.2rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

.docs-home-hero h1 {
  max-width: 8.5em;
  font-size: clamp(2.1rem, 3.2vw, 3.5rem);
  line-height: 1.06;
  text-wrap: balance;
  word-break: keep-all;
}

.page-hero p {
  max-width: 780px;
  color: var(--ink-soft);
  font-size: 0.96rem;
  line-height: 1.72;
}

.docs-home-hero > p:not(.eyebrow) {
  max-width: 62ch;
  font-size: 1.02rem;
}

.docs-shell {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.docs-sidebar,
.docs-article,
.doc-card {
  border: 1px solid rgba(255, 255, 255, 0.55);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.docs-sidebar {
  position: sticky;
  top: 104px;
  padding: 18px;
  border-radius: 24px;
  backdrop-filter: blur(14px);
}

.docs-sidebar h2 {
  margin: 0 0 16px;
  font-size: 1rem;
}

.docs-sidebar nav {
  display: grid;
  gap: 8px;
}

.docs-sidebar a {
  padding: 12px 14px;
  border-radius: 16px;
  color: var(--ink-soft);
}

.docs-sidebar a:hover,
.docs-sidebar a:focus-visible,
.docs-sidebar a.is-current {
  color: var(--ink);
  background: rgba(20, 33, 61, 0.07);
}

.docs-article {
  padding: 22px;
  border-radius: 28px;
  backdrop-filter: blur(14px);
}

.docs-article h2,
.docs-article h3 {
  margin: 0 0 14px;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.docs-article h2 {
  margin-top: 34px;
  font-size: clamp(1.35rem, 1.8vw, 1.8rem);
}

.docs-article h3 {
  margin-top: 26px;
  font-size: 1.08rem;
}

.docs-article p,
.docs-article li,
.docs-article blockquote {
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.72;
}

.docs-article ul,
.docs-article ol {
  padding-left: 20px;
}

.docs-article code,
.inline-code {
  padding: 0.15em 0.45em;
  border-radius: 8px;
  background: rgba(20, 33, 61, 0.08);
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.92em;
}

.docs-article pre {
  overflow: auto;
  padding: 18px;
  border-radius: 18px;
  background: #14213d;
  color: #f8fafc;
}

.docs-article pre code {
  padding: 0;
  background: transparent;
  color: inherit;
}

.docs-article img {
  margin: 18px 0 24px;
  border-radius: 18px;
  border: 1px solid var(--line);
  box-shadow: 0 18px 40px rgba(20, 33, 61, 0.12);
}

.note-box,
.contact-box {
  padding: 18px 20px;
  border-radius: 20px;
  border: 1px solid rgba(31, 122, 91, 0.18);
  background: rgba(31, 122, 91, 0.08);
}

.warning-box {
  padding: 18px 20px;
  border-radius: 20px;
  border: 1px solid rgba(238, 108, 77, 0.18);
  background: rgba(238, 108, 77, 0.08);
}

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

.doc-card {
  display: grid;
  gap: 10px;
  padding: 18px;
  border-radius: 24px;
  backdrop-filter: blur(14px);
}

.doc-card h3 {
  margin: 0;
  font-size: 1.08rem;
}

.doc-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.65;
}

.doc-card .card-link {
  color: var(--accent);
  font-weight: 700;
}

.docs-intro {
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  align-items: stretch;
  margin-bottom: 18px;
}

.docs-intro-card {
  display: flex;
  align-items: center;
  gap: 18px;
}

.docs-intro-card img {
  width: 58px;
  height: 58px;
  flex: none;
}

.docs-intro-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.15rem;
}

.docs-intro-flow {
  display: grid;
  gap: 12px;
}

.docs-intro-flow span {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(20, 33, 61, 0.9);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 700;
  box-shadow: var(--shadow);
}

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

.docs-home-hero .mini-kpis {
  margin-top: 28px;
}

.mini-kpis div {
  padding: 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.42);
}

.mini-kpis strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.1rem;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

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

.article-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.article-nav a {
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.46);
}

.docs-cta {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 600ms ease, transform 600ms ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .hero,
  .deploy-panel,
  .closing,
  .footer,
  .docs-footer {
    grid-template-columns: 1fr;
  }

  .trust-strip {
    flex-direction: column;
    align-items: flex-start;
  }

  .positioning,
  .positioning-points,
  .docs-intro,
  .docs-cta {
    grid-template-columns: 1fr;
  }

  .trust-grid {
    justify-content: flex-start;
  }

  .hero h1 {
    max-width: none;
  }

  .hero-copy,
  .lead {
    max-width: none;
  }

  .docs-shell {
    grid-template-columns: 1fr;
  }

  .docs-sidebar {
    position: static;
  }

  .doc-grid,
  .mini-kpis {
    grid-template-columns: 1fr;
  }

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

  .footer-links-right,
  .footer-meta-stack {
    grid-column: auto;
    grid-row: auto;
    justify-content: flex-start;
    text-align: left;
  }
}

@media (max-width: 760px) {
  .site-shell {
    width: calc(100% - 20px);
    max-width: var(--container);
    margin: 12px auto;
  }

  .topbar {
    align-items: center;
    justify-content: space-between;
    border-radius: 28px;
    gap: 12px;
    padding: 12px 14px;
  }

  .brand {
    gap: 10px;
    min-height: 48px;
  }

  .brand img {
    height: 34px;
    width: auto;
  }

  .brand span {
    font-size: 0.98rem;
    line-height: 1;
  }

  .menu-toggle {
    display: inline-block;
    width: 44px;
    height: 44px;
    flex: none;
  }

  .nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    border-radius: 24px;
    background: rgba(255, 249, 241, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: var(--shadow);
  }

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

  .nav a {
    padding: 12px 14px;
  }

  .page-hero,
  .page-hero.compact {
    padding: 30px 0 10px;
  }

  .page-hero h1,
  .docs-home-hero h1 {
    max-width: none;
    font-size: clamp(1.8rem, 8vw, 2.45rem);
    line-height: 1.08;
    letter-spacing: -0.03em;
  }

  .page-hero p,
  .docs-home-hero > p:not(.eyebrow) {
    max-width: none;
    font-size: 0.96rem;
    line-height: 1.7;
  }

  .breadcrumbs {
    gap: 6px;
    margin-bottom: 12px;
    font-size: 0.88rem;
  }

  .docs-sidebar {
    padding: 16px;
    border-radius: 22px;
  }

  .docs-sidebar h2 {
    margin-bottom: 12px;
    font-size: 0.98rem;
  }

  .docs-sidebar nav {
    gap: 6px;
  }

  .docs-sidebar a {
    padding: 10px 12px;
    border-radius: 14px;
    font-size: 0.94rem;
  }

  .docs-article {
    padding: 18px;
    border-radius: 22px;
  }

  .docs-article h2 {
    margin-top: 26px;
    font-size: 1.28rem;
  }

  .docs-article h3 {
    margin-top: 22px;
    font-size: 1.04rem;
  }

  .docs-article p,
  .docs-article li,
  .docs-article blockquote {
    font-size: 0.94rem;
    line-height: 1.72;
  }

  .article-nav {
    gap: 10px;
    margin-top: 26px;
  }

  .article-nav a {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .hero {
    padding-top: 48px;
  }

  .hero-copy {
    overflow-wrap: break-word;
  }

  .hero-visual,
  .visual-frame,
  .visual-frame img {
    width: 100%;
  }

  .hero-metrics,
  .card-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .visual-frame {
    padding: 16px;
  }

  .closing {
    flex-direction: column;
    align-items: stretch;
    gap: 18px;
    padding: 20px;
  }

  .closing-copy {
    max-width: none;
  }

  .closing h2 {
    max-width: none;
    font-size: clamp(1.45rem, 7vw, 2rem);
    line-height: 1.12;
  }

  .closing-copy p {
    max-width: none;
    font-size: 0.96rem;
    line-height: 1.72;
  }

  .closing-actions {
    margin: 0;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .closing-actions .button {
    width: 100%;
    min-height: 48px;
    border-radius: 18px;
  }

  .footer {
    padding: 16px;
  }

  .footer strong {
    font-size: 1.12rem;
  }

  .footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 14px;
  }

  .footer-links a,
  .footer-meta a {
    font-size: 0.96rem;
  }

  .footer-meta-stack {
    gap: 8px;
  }

  .footer-meta-stack a:last-child {
    font-size: 0.9rem;
  }
}