:root {
  color-scheme: light;
  --background: #ffffff;
  --foreground: #151614;
  --muted: #5f646d;
  --muted-strong: #3d424a;
  --surface: #ffffff;
  --surface-subtle: #f7f8f6;
  --surface-code: #151614;
  --line: #e4e6e2;
  --line-strong: #cfd4cc;
  --brand-ink: #151614;
  --brand-teal: #0f8f79;
  --brand-gold: #f5a524;
  --focus: #0f8f79;
  --max-width: 1184px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--background);
  color: var(--foreground);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  font-synthesis-weight: none;
  overflow-x: clip;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--brand-teal);
  text-decoration: none;
}

a:hover {
  color: var(--brand-ink);
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--focus) 30%, transparent);
  outline-offset: 3px;
}

::selection {
  background: var(--brand-gold);
  color: var(--brand-ink);
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 16px;
  z-index: 100;
  transform: translateY(-140%);
  border-radius: 6px;
  background: var(--brand-ink);
  color: #ffffff;
  padding: 10px 14px;
  font-weight: 700;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
}

.site-header-inner {
  display: flex;
  width: 100%;
  min-height: 64px;
  max-width: var(--max-width);
  margin: 0 auto;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 24px;
}

.brand {
  display: inline-flex;
  min-width: max-content;
  align-items: center;
  gap: 12px;
  color: var(--brand-ink);
}

.brand-mark {
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  border-radius: 6px;
  object-fit: contain;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.brand-copy strong {
  color: var(--brand-ink);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.2;
}

.brand-copy span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.2;
}

.top-nav,
.footer-links {
  display: flex;
  min-width: 0;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px;
}

.top-nav a,
.footer-links a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
}

.top-nav a:hover,
.footer-links a:hover {
  color: var(--brand-teal);
}

.header-action,
.primary-link,
.secondary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  border-radius: 6px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.25;
}

.header-action,
.secondary-link {
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--brand-ink);
}

.header-action:hover,
.secondary-link:hover {
  border-color: var(--brand-teal);
  color: var(--brand-teal);
}

.primary-link {
  border: 1px solid var(--brand-gold);
  background: var(--brand-gold);
  color: var(--brand-ink);
}

.primary-link:hover {
  border-color: var(--brand-ink);
  background: var(--brand-ink);
  color: #ffffff;
}

.docs-shell {
  display: grid;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  min-width: 0;
  grid-template-columns: 248px minmax(0, 1fr);
  gap: 40px;
  padding: 40px 24px 72px;
}

.docs-sidebar {
  position: sticky;
  top: 88px;
  align-self: start;
  min-width: 0;
  max-height: calc(100vh - 112px);
  overflow: auto;
  border-right: 1px solid var(--line);
  padding-right: 20px;
}

.sidebar-label,
.eyebrow {
  margin: 0;
  color: var(--brand-teal);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.4;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 14px;
}

.sidebar-nav a {
  display: block;
  border-radius: 6px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.35;
  overflow-wrap: anywhere;
  padding: 9px 10px;
}

.sidebar-nav a:hover {
  background: var(--surface-subtle);
  color: var(--brand-ink);
}

.docs-article {
  min-width: 0;
  overflow-wrap: anywhere;
}

.page-head {
  border-bottom: 1px solid var(--line);
  padding-bottom: 32px;
}

.page-head h1 {
  max-width: 780px;
  margin: 12px 0 0;
  color: var(--brand-ink);
  font-size: 42px;
  font-weight: 750;
  line-height: 1.12;
}

.page-description {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
  overflow-wrap: anywhere;
}

.page-actions,
.hero-link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-content {
  max-width: 840px;
  padding-top: 28px;
}

.page-content > :first-child {
  margin-top: 0;
}

.page-content h2 {
  margin: 40px 0 14px;
  color: var(--brand-ink);
  font-size: 28px;
  font-weight: 750;
  line-height: 1.25;
}

.page-content h3 {
  margin: 32px 0 12px;
  color: var(--brand-ink);
  font-size: 21px;
  font-weight: 750;
  line-height: 1.3;
}

.page-content h4 {
  margin: 28px 0 10px;
  color: var(--brand-ink);
  font-size: 18px;
  font-weight: 750;
  line-height: 1.35;
}

.page-content p,
.page-content li,
.page-content dd {
  color: var(--muted-strong);
  overflow-wrap: anywhere;
}

.page-content p {
  margin: 14px 0;
}

.page-content ul,
.page-content ol {
  margin: 14px 0;
  padding-left: 1.3rem;
}

.page-content li + li {
  margin-top: 6px;
}

.page-content a {
  font-weight: 650;
  overflow-wrap: anywhere;
}

.page-content strong {
  color: var(--brand-ink);
}

code,
pre {
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

:not(pre) > code {
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface-subtle);
  color: var(--brand-ink);
  font-size: 0.92em;
  padding: 0.1rem 0.32rem;
  overflow-wrap: anywhere;
}

pre {
  max-width: 100%;
  margin: 18px 0;
  overflow-x: auto;
  border-radius: 8px;
  background: var(--surface-code);
  color: #f8faf7;
  padding: 18px;
  line-height: 1.65;
  white-space: pre;
}

pre code {
  border: 0;
  background: transparent;
  color: inherit;
  font-size: 14px;
  padding: 0;
  overflow-wrap: normal;
}

.page-content table {
  display: block;
  width: 100%;
  max-width: 100%;
  margin: 22px 0;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  border-spacing: 0;
  border-collapse: separate;
  background: #ffffff;
}

.page-content th,
.page-content td {
  min-width: 180px;
  border-bottom: 1px solid var(--line);
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  overflow-wrap: anywhere;
}

.page-content tr:last-child td {
  border-bottom: 0;
}

.page-content th {
  background: var(--surface-subtle);
  color: var(--brand-ink);
  font-size: 14px;
  font-weight: 750;
}

blockquote {
  margin: 22px 0;
  border-left: 4px solid var(--brand-gold);
  border-radius: 6px;
  background: #fff8eb;
  color: var(--muted-strong);
  padding: 14px 18px;
}

blockquote > :first-child {
  margin-top: 0;
}

blockquote > :last-child {
  margin-bottom: 0;
}

hr {
  height: 1px;
  margin: 36px 0;
  border: 0;
  background: var(--line);
}

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

.callout-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 28px 0;
}

.callout-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-subtle);
  padding: 18px;
}

.callout-card strong {
  display: block;
  color: var(--brand-ink);
  font-size: 16px;
}

.callout-card p {
  margin: 10px 0 0;
}

.hero-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border-radius: 6px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 750;
}

.hero-link-primary {
  border: 1px solid var(--brand-gold);
  background: var(--brand-gold);
  color: var(--brand-ink);
}

.hero-link-primary:hover {
  border-color: var(--brand-ink);
  background: var(--brand-ink);
  color: #ffffff;
}

.hero-link-secondary {
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--brand-ink);
}

.hero-link-secondary:hover {
  border-color: var(--brand-teal);
  color: var(--brand-teal);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #ffffff;
}

.site-footer-inner {
  display: flex;
  max-width: var(--max-width);
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 34px 24px;
}

.footer-brand {
  margin: 0;
  color: var(--brand-ink);
  font-size: 14px;
  font-weight: 800;
}

.footer-note {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.footer-icp {
  display: inline-block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

@media (max-width: 980px) {
  .site-header {
    position: static;
  }

  .site-header-inner {
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 14px;
    padding-bottom: 14px;
    padding-top: 14px;
  }

  .top-nav {
    order: 3;
    width: 100%;
    gap: 14px;
  }

  .docs-shell {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-top: 28px;
  }

  .docs-sidebar {
    position: static;
    max-height: none;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 16px;
  }

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

  .page-content {
    max-width: none;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 15px;
  }

  .site-header-inner,
  .docs-shell,
  .site-footer-inner {
    padding-left: 18px;
    padding-right: 18px;
  }

  .docs-shell {
    padding-right: 24px;
  }

  .page-head,
  .page-content {
    max-width: calc(100vw - 42px);
  }

  .page-description,
  .page-content p,
  .page-content li,
  .page-content dd {
    word-break: break-word;
  }

  .brand-copy strong {
    font-size: 17px;
  }

  .top-nav {
    overflow-x: auto;
    flex-wrap: nowrap;
    max-width: 100%;
    padding-bottom: 2px;
  }

  .top-nav a {
    flex: 0 0 auto;
  }

  .header-action {
    width: 100%;
  }

  .sidebar-nav {
    grid-template-columns: 1fr;
  }

  .page-head h1 {
    font-size: 32px;
  }

  .page-description {
    font-size: 16px;
  }

  .page-actions,
  .hero-link-row {
    flex-direction: column;
  }

  .primary-link,
  .secondary-link,
  .hero-link {
    width: 100%;
  }

  .page-content h2 {
    font-size: 24px;
  }

  .page-content h3 {
    font-size: 19px;
  }

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

  .site-footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}