:root {
  --seo-ink: #202426;
  --seo-muted: #616a70;
  --seo-line: #d9dfe1;
  --seo-surface: #ffffff;
  --seo-page: #f6f8f8;
  --seo-accent: #0f6f68;
  --seo-accent-strong: #0a514d;
  --seo-warm: #8f3b4c;
}

html {
  overflow-x: hidden;
}

.seo-page {
  min-width: 0;
  margin: 0;
  background: var(--seo-page);
  color: var(--seo-ink);
  font-family: "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  overflow-x: hidden;
}

.seo-content,
.seo-guide {
  box-sizing: border-box;
  width: 100%;
  color: var(--seo-ink);
  font-size: 16px;
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.seo-content *,
.seo-guide *,
.seo-site-header *,
.seo-site-footer * {
  box-sizing: border-box;
}

.seo-content__inner,
.seo-guide {
  width: min(100%, 920px);
  margin-inline: auto;
  padding: 40px 20px 56px;
}

.seo-site-header {
  width: 100%;
  border-bottom: 1px solid var(--seo-line);
  background: var(--seo-surface);
}

.seo-site-header__inner {
  display: flex;
  width: min(100%, 1080px);
  min-width: 0;
  margin-inline: auto;
  padding: 14px 20px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.seo-site-brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 9px;
  color: var(--seo-ink);
  text-decoration: none;
}

.seo-site-brand > span {
  display: grid;
  width: 34px;
  height: 34px;
  border: 1px solid #9abbb8;
  border-radius: 7px;
  color: var(--seo-accent-strong);
  place-items: center;
}

.seo-site-brand strong {
  font-size: 18px;
  letter-spacing: 0;
}

.seo-site-nav {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: flex-end;
  gap: 6px 18px;
  flex-wrap: wrap;
}

.seo-site-nav a {
  color: #374148;
  text-decoration: none;
}

.seo-site-nav a:hover,
.seo-site-brand:hover {
  color: var(--seo-accent);
}

.seo-breadcrumb {
  display: flex;
  margin-bottom: 24px;
  color: var(--seo-muted);
  font-size: 14px;
  gap: 7px;
  flex-wrap: wrap;
}

.seo-breadcrumb a {
  color: var(--seo-accent-strong);
}

.seo-content h2,
.seo-guide h1,
.seo-guide h2 {
  margin: 0 0 12px;
  line-height: 1.4;
  letter-spacing: 0;
}

.seo-guide h1 {
  max-width: 780px;
  font-size: 34px;
}

.seo-guide h2 {
  font-size: 23px;
}

.seo-guide__intro {
  padding-bottom: 28px;
  border-bottom: 1px solid var(--seo-line);
}

.seo-guide__summary {
  max-width: 800px;
  color: #364046;
  font-size: 18px;
}

.seo-guide__byline {
  color: var(--seo-muted);
  font-size: 14px;
}

.seo-guide__section,
.seo-guide__faq,
.seo-guide__related,
.seo-guide-hub__cluster {
  margin-top: 36px;
}

.seo-content section + section,
.seo-content__faq,
.seo-content__related {
  margin-top: 32px;
}

.seo-content__summary,
.seo-content p,
.seo-guide p {
  margin: 0 0 16px;
}

.seo-content__capabilities,
.seo-content__related ul,
.seo-guide__related ul {
  margin: 0;
  padding-left: 24px;
}

.seo-content details,
.seo-guide__faq details {
  border: 1px solid var(--seo-line);
  border-radius: 8px;
  padding: 12px 16px;
  background: var(--seo-surface);
}

.seo-content details + details,
.seo-guide__faq details + details {
  margin-top: 10px;
}

.seo-content summary,
.seo-guide__faq summary {
  cursor: pointer;
  font-weight: 600;
}

.seo-content details p,
.seo-guide__faq details p {
  margin: 8px 0 0;
}

.seo-content__cta,
.seo-guide__cta {
  display: inline-flex;
  min-height: 44px;
  margin-top: 32px;
  border: 1px solid var(--seo-accent);
  border-radius: 8px;
  padding: 8px 18px;
  align-items: center;
  justify-content: center;
  background: var(--seo-accent);
  color: #ffffff;
  font-weight: 600;
  text-decoration: none;
}

.seo-content__cta:hover,
.seo-guide__cta:hover {
  border-color: var(--seo-accent-strong);
  background: var(--seo-accent-strong);
}

.seo-content a,
.seo-guide a,
.seo-site-footer a {
  text-underline-offset: 3px;
}

.seo-content a:focus-visible,
.seo-content summary:focus-visible,
.seo-guide a:focus-visible,
.seo-guide summary:focus-visible,
.seo-site-header a:focus-visible,
.seo-site-footer a:focus-visible {
  outline: 3px solid #1d6fa5;
  outline-offset: 3px;
}

.seo-guide table {
  display: block;
  width: 100%;
  max-width: 100%;
  border-collapse: collapse;
  overflow-x: auto;
}

.seo-guide th,
.seo-guide td {
  border: 1px solid var(--seo-line);
  padding: 8px 10px;
  text-align: left;
  white-space: normal;
}

.seo-guide-hub__index,
.seo-guide-hub__index ul {
  margin: 0;
  padding: 0;
}

.seo-guide-hub__cluster ul {
  list-style: none;
}

.seo-guide-hub__cluster li {
  border-top: 1px solid var(--seo-line);
}

.seo-guide-hub__cluster li:last-child {
  border-bottom: 1px solid var(--seo-line);
}

.seo-guide-hub__cluster a {
  display: grid;
  min-width: 0;
  padding: 14px 2px;
  color: var(--seo-ink);
  gap: 2px;
  text-decoration: none;
}

.seo-guide-hub__cluster a:hover strong {
  color: var(--seo-accent);
}

.seo-guide-hub__cluster strong {
  font-weight: 600;
}

.seo-guide-hub__cluster span {
  color: var(--seo-muted);
  font-size: 14px;
}

.seo-site-footer {
  width: 100%;
  border-top: 1px solid var(--seo-line);
  background: var(--seo-surface);
}

.seo-site-footer__inner {
  display: flex;
  width: min(100%, 920px);
  min-width: 0;
  margin-inline: auto;
  padding: 24px 20px 32px;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}

.seo-site-footer a {
  color: var(--seo-accent-strong);
}

.seo-site-footer p {
  margin: 0;
  color: var(--seo-muted);
  font-size: 14px;
  text-align: right;
}

.seo-content--not-found {
  text-align: center;
}

.seo-not-found-title {
  width: min(100%, 920px);
  margin: 40px auto 0;
  padding-inline: 20px;
  text-align: center;
}

@media (max-width: 680px) {
  .seo-site-header__inner,
  .seo-site-footer__inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .seo-site-nav {
    width: 100%;
    justify-content: flex-start;
  }

  .seo-site-footer p {
    text-align: left;
  }

  .seo-guide h1 {
    font-size: 28px;
  }
}

@media (max-width: 480px) {
  .seo-content__inner,
  .seo-guide,
  .seo-site-header__inner,
  .seo-site-footer__inner {
    padding-inline: 16px;
  }

  .seo-content details,
  .seo-guide__faq details {
    padding-inline: 12px;
  }

  .seo-content__cta,
  .seo-guide__cta {
    width: 100%;
  }

  .seo-guide h1 {
    font-size: 25px;
  }

  .seo-guide__summary {
    font-size: 16px;
  }
}