/* 文档中心：实现暖白工程图风格、桌面粘性目录、移动折叠目录与无页面级横向溢出。 */
.documentation-main {
  min-width: 0;
  overflow-x: clip;
  border-bottom: 1px solid var(--line-strong);
}
.docs-hero {
  border-bottom: 1px solid var(--line-strong);
  background:
    linear-gradient(90deg, transparent 0 64%, rgb(240 68 11 / 8%) 64% 64.15%, transparent 64.15%),
    var(--paper-raised);
}
.docs-hero-grid {
  display: grid;
  min-width: 0;
  grid-template-columns: minmax(0, 1.7fr) minmax(240px, 0.55fr);
  gap: clamp(36px, 7vw, 96px);
  align-items: end;
  padding-block: clamp(64px, 9vw, 120px);
}
.docs-hero-copy {
  min-width: 0;
  max-width: 860px;
}
.docs-hero-copy h1 {
  max-width: 780px;
  font-size: clamp(3rem, 6vw, 6rem);
}
html[lang="en"] .docs-hero-copy h1 {
  font-size: clamp(2.8rem, 5.4vw, 5.3rem);
}
.docs-hero-lead {
  max-width: 720px;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.8vw, 1.3rem);
}
.docs-release-plate {
  display: grid;
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--line-strong);
  background: var(--inverse);
  color: var(--inverse-ink);
  text-decoration: none;
}
.docs-release-plate span,
.docs-release-plate small {
  color: var(--inverse-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.docs-release-plate strong {
  margin-block: 18px 10px;
  color: var(--inverse-ink);
  font-family: var(--font-mono);
  font-size: clamp(2rem, 4vw, 3.7rem);
  line-height: 1;
}
.docs-release-plate:hover {
  outline: 3px solid var(--accent);
  outline-offset: -4px;
}
.docs-safety {
  border-bottom: 1px solid var(--line-strong);
  background: var(--warning-soft);
}
.docs-safety-grid {
  display: grid;
  min-width: 0;
  grid-template-columns: minmax(170px, 0.45fr) minmax(0, 1.8fr);
  gap: 36px;
  padding-block: 30px;
}

.docs-safety-grid > p,
.docs-section-heading > p:first-child,
.docs-final > p:first-child {
  margin: 0;
  color: var(--accent-text);
  font-family: var(--font-mono);
  font-size: 0.73rem;
  font-weight: 760;
  letter-spacing: 0.08em;
}

.docs-safety-grid h2 {
  margin-bottom: 8px;
  font-size: clamp(1.25rem, 2.5vw, 1.8rem);
}

.docs-safety-grid div > p {
  max-width: 900px;
  margin: 0;
  color: var(--ink-soft);
}

.docs-workspace {
  display: grid;
  min-width: 0;
  grid-template-columns: minmax(230px, 286px) minmax(0, 1fr);
  gap: clamp(42px, 6vw, 88px);
  align-items: start;
  padding-block: 52px 96px;
}

.docs-sidebar {
  min-width: 0;
  align-self: stretch;
}

.docs-sidebar > .docs-index {
  position: sticky;
  top: calc(var(--header-height) + 22px);
  max-height: calc(100vh - var(--header-height) - 44px);
  overflow-y: auto;
  border: 1px solid var(--line-strong);
  background: var(--paper-raised);
  scrollbar-width: thin;
}

.docs-index-head {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px;
  border-bottom: 1px solid var(--line-strong);
  background: var(--inverse);
  color: var(--inverse-ink);
}

.docs-index-head strong {
  overflow-wrap: anywhere;
}

.docs-index-head output {
  flex: none;
  color: var(--inverse-muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.docs-search-label {
  display: grid;
  min-width: 0;
  gap: 7px;
  padding: 16px 16px 8px;
  color: var(--ink-soft);
  font-size: 0.75rem;
  font-weight: 720;
}

.docs-search-label input {
  width: 100%;
  height: 42px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--paper);
  color: var(--ink);
}

.docs-search-help,
.docs-search-empty {
  margin: 0;
  padding: 0 16px 14px;
  color: var(--ink-muted);
  font-size: 0.72rem;
  line-height: 1.45;
}

.docs-search-empty {
  padding-block: 16px;
  border-top: 1px solid var(--line-faint);
  color: var(--danger);
  font-weight: 700;
}

.docs-tree-group {
  min-width: 0;
  border-top: 1px solid var(--line-faint);
}

.docs-tree-group h2 {
  margin: 0;
  padding: 12px 16px 6px;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.docs-tree-group a {
  display: grid;
  min-width: 0;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 8px;
  padding: 8px 16px 11px;
  color: var(--ink-soft);
  font-size: 0.82rem;
  line-height: 1.35;
  overflow-wrap: anywhere;
  text-decoration: none;
}

.docs-tree-group a span {
  color: var(--accent-text);
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.docs-tree-group a:hover {
  background: var(--accent-soft);
  color: var(--ink);
}

.docs-article {
  min-width: 0;
}

.docs-mobile-index {
  display: none;
}

.docs-section {
  min-width: 0;
  padding-block: 52px;
  scroll-margin-top: calc(var(--header-height) + 20px);
  border-top: 1px solid var(--line-strong);
}

.docs-section:first-of-type {
  padding-top: 0;
  border-top: 0;
}

.docs-section-heading {
  max-width: 850px;
  margin-bottom: 28px;
}

.docs-section-heading h2 {
  margin-block: 10px 12px;
  font-size: clamp(1.8rem, 3.8vw, 3.1rem);
}

.docs-section-heading > p:last-child {
  max-width: 760px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.02rem;
}

.docs-step-list {
  border-top: 1px solid var(--line-strong);
}

.docs-step {
  display: grid;
  min-width: 0;
  grid-template-columns: minmax(92px, 0.28fr) minmax(0, 1.7fr);
  gap: 28px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line-faint);
}

.docs-step > span {
  align-self: start;
  color: var(--accent-text);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 760;
  letter-spacing: 0.06em;
}

.docs-step h3 {
  font-size: 1.15rem;
}

.docs-step p {
  margin: 0;
  color: var(--ink-soft);
  overflow-wrap: anywhere;
}

.docs-step-caution {
  padding-inline: 16px;
  border-left: 3px solid var(--warning);
  background: linear-gradient(90deg, var(--warning-soft), transparent 72%);
}

.docs-step pre {
  max-width: 100%;
  margin: 18px 0 0;
  overflow-x: auto;
  padding: 16px;
  border: 1px solid var(--inverse-line);
  background: var(--inverse);
  color: var(--inverse-ink);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.docs-step code {
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.docs-product-view figure {
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--inverse);
}

.docs-product-view img {
  width: 100%;
  height: auto;
}

.docs-product-view figcaption {
  padding: 14px 18px;
  border-top: 1px solid var(--inverse-line);
  color: var(--inverse-muted);
  font-size: 0.76rem;
}

.docs-final {
  min-width: 0;
  margin-top: 40px;
  padding: clamp(28px, 5vw, 54px);
  border: 1px solid var(--line-strong);
  background: var(--paper-raised);
  box-shadow: inset 8px 0 0 var(--accent);
}

.docs-final h2 {
  max-width: 800px;
  margin-block: 12px;
}

.docs-final > p:not(:first-child) {
  max-width: 760px;
  color: var(--ink-soft);
}

@media (max-width: 920px) {
  .docs-hero-grid,
  .docs-safety-grid {
    grid-template-columns: 1fr;
  }

  .docs-hero-grid {
    gap: 36px;
  }

  .docs-release-plate {
    width: min(100%, 420px);
  }

  .docs-workspace {
    display: block;
    padding-top: 30px;
  }

  .docs-sidebar {
    display: none;
  }

  .docs-mobile-index {
    display: block;
    margin-bottom: 34px;
    border: 1px solid var(--line-strong);
    background: var(--paper-raised);
  }

  .docs-mobile-index > summary {
    padding: 16px;
    cursor: pointer;
    font-weight: 760;
  }

  .docs-mobile-index[open] > summary {
    border-bottom: 1px solid var(--line-strong);
  }

  .docs-mobile-index .docs-index {
    min-width: 0;
  }
}

@media (max-width: 640px) {
  .docs-hero-copy h1,
  html[lang="en"] .docs-hero-copy h1 {
    font-size: clamp(2.45rem, 12vw, 3.6rem);
  }

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

  .docs-step {
    gap: 10px;
  }

  .docs-step-caution {
    padding-inline: 12px;
  }

  .docs-section {
    padding-block: 42px;
  }
}