/* ---- Loading indicator ---- */

@keyframes std-loading-spin {
  to { transform: rotate(360deg); }
}

@keyframes std-loading-fade-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Base styles – apply before std-enhanced is added */
#status {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  min-height: 100vh;
  margin: 0;
  padding: 2rem;
  text-align: center;
  color: #6b7280;
  font-family: system-ui, -apple-system, Roboto, "Segoe UI", sans-serif;
  font-size: 0.9rem;
  animation: std-loading-fade-in 0.45s ease;
}

#status.hidden {
  display: none !important;
}

#status .std-loading-spinner {
  width: 2.5rem;
  height: 2.5rem;
  border: 3px solid #e5e7eb;
  border-top-color: #f7a41e;
  border-radius: 50%;
  animation: std-loading-spin 0.75s linear infinite;
}

#status .std-loading-label {
  font-weight: 500;
  letter-spacing: -0.01em;
}

@media (prefers-color-scheme: dark) {
  #status {
    color: #9ca3af;
    background: oklch(0.13 0.028 261.692);
  }

  #status .std-loading-spinner {
    border-color: #374151;
    border-top-color: #f7a41e;
  }
}

/* Enhanced loading – fixed overlay centred in viewport, out of flow */
html.std-enhanced #status {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  min-height: auto;
  margin: 0;
  padding: 2rem;
  background: var(--std-bg);
  color: var(--std-muted);
  font-family: var(--std-font-sans);
  transition: opacity 0.3s ease;
}

html.std-enhanced #status .std-loading-spinner {
  border-color: var(--std-border);
  border-top-color: var(--std-accent);
}

/* When hidden is added: fade out only (fixed pos = no layout impact) */
html.std-enhanced #status.hidden {
  display: flex !important;
  opacity: 0;
  pointer-events: none;
}

:root {
  color-scheme: light dark;
  --std-topbar-height: 3.5rem;
  --std-content-width: 64rem;
  --std-prose-width: 42rem;
  --std-font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --std-font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', monospace;
  --std-bg: oklch(1 0 0);
  --std-surface: oklch(0.985 0.002 247.839);
  --std-surface-raised: oklch(1 0 0);
  --std-text: oklch(0.21 0.034 264.665);
  --std-muted: oklch(0.446 0.03 256.802);
  --std-faint: oklch(0.551 0.027 264.364);
  --std-heading: oklch(0.13 0.028 261.692);
  --std-border: color-mix(in oklch, var(--std-heading) 10%, transparent);
  --std-border-strong: color-mix(in oklch, var(--std-heading) 16%, transparent);
  --std-hover: color-mix(in oklch, var(--std-heading) 5%, transparent);
  --std-active: oklch(0.21 0.034 264.665);
  --std-active-text: oklch(0.985 0.002 247.839);
  --std-accent: oklch(0.782 0.161 71.538);
  --std-link: oklch(0.598 0.102 124.653);
  --std-link-hover: oklch(0.527 0.095 124.299);
  --std-code-bg: oklch(0.97 0.003 264.542);
  --std-code-text: oklch(0.278 0.033 256.848);
  --std-fn-card-bg: color-mix(in oklch, var(--std-surface-raised) 92%, var(--std-bg));
  --std-fn-code-bg: color-mix(in oklch, var(--std-surface) 82%, white);
  --std-fn-code-ring: color-mix(in oklch, var(--std-heading) 10%, transparent);
  --std-focus: oklch(0.598 0.102 124.653);
  --std-danger: oklch(0.577 0.245 27.325);
}

@media (prefers-color-scheme: dark) {
  :root {
    --std-bg: oklch(0.13 0.028 261.692);
    --std-surface: oklch(0.17 0.025 263.555);
    --std-surface-raised: oklch(0.21 0.028 263.792);
    --std-text: oklch(0.872 0.01 258.338);
    --std-muted: oklch(0.707 0.022 261.325);
    --std-faint: oklch(0.551 0.027 264.364);
    --std-heading: oklch(0.985 0.002 247.839);
    --std-border: color-mix(in oklch, white 10%, transparent);
    --std-border-strong: color-mix(in oklch, white 16%, transparent);
    --std-hover: color-mix(in oklch, white 7%, transparent);
    --std-active: oklch(0.985 0.002 247.839);
    --std-active-text: oklch(0.17 0.025 263.555);
    --std-link: oklch(0.765 0.106 120.581);
    --std-link-hover: oklch(0.793 0.096 120.219);
    --std-code-bg: oklch(0.17 0.025 263.555);
    --std-code-text: oklch(0.929 0.013 255.508);
    --std-fn-card-bg: color-mix(in oklch, white 4%, var(--std-bg));
    --std-fn-code-bg: color-mix(in oklch, white 5%, var(--std-surface));
    --std-fn-code-ring: color-mix(in oklch, white 8%, transparent);
  }
}

html.std-enhanced {
  min-width: 20rem;
  background: var(--std-bg);
  color: var(--std-text);
  font-family: var(--std-font-sans);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

html.std-enhanced *,
html.std-enhanced *::before,
html.std-enhanced *::after {
  box-sizing: border-box;
}

html.std-enhanced body {
  min-width: 20rem;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background: var(--std-bg);
  color: var(--std-text);
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.65;
}

html.std-enhanced .hidden {
  display: none !important;
}

html.std-enhanced ::selection {
  background: color-mix(in oklch, var(--std-link) 22%, transparent);
  color: var(--std-text);
}

html.std-enhanced nav {
  width: auto;
  float: none;
}

.std-shell {
  min-height: 100vh;
  padding-top: var(--std-topbar-height);
}

.std-topbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: var(--std-topbar-height);
  border-bottom: 1px solid var(--std-border);
  background: color-mix(in oklch, var(--std-bg) 88%, transparent);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  backdrop-filter: blur(16px) saturate(160%);
}

.std-topbar-inner,
.std-subnav-inner {
  padding-inline: 1.5rem;
}

.std-topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  height: 100%;
}

.std-brand {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 0.7rem;
  min-width: 0;
  color: var(--std-heading);
  font-size: 0.9rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.std-brand .logo {
  display: block;
  width: 4.8rem;
  height: 2rem;
  padding: 0;
  color: inherit;
  border-radius: 0.35rem;
}

.std-brand .logo:hover,
.std-brand .logo:focus {
  background: transparent;
}

.std-brand .logo svg {
  display: block;
  width: 100%;
  height: 100%;
}

.std-brand-short {
  display: none;
}

.std-search-wrap {
  position: relative;
  display: flex;
  flex: 0 1 auto;
  align-items: center;
  min-width: 0;
  height: 2.25rem;
}

/* 搜索按钮 */
.std-search-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  height: 2.25rem;
  padding: 0 0.75rem;
  border: none;
  border-radius: 9999px;
  background: color-mix(in oklch, oklch(0.13 0.028 261.692) 2%, transparent);
  box-shadow: inset 0 0 0 1px color-mix(in oklch, oklch(0.13 0.028 261.692) 8%, transparent);
  color: oklch(0.446 0.03 256.802);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 0.75rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.15s ease, box-shadow 0.15s ease, color 0.15s ease;
}

.std-search-toggle svg {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  margin-left: -0.125rem;
  fill: oklch(0.446 0.03 256.802);
}

.std-search-toggle:hover {
  background: color-mix(in oklch, oklch(0.13 0.028 261.692) 4%, transparent);
  box-shadow: inset 0 0 0 1px color-mix(in oklch, oklch(0.13 0.028 261.692) 16%, transparent);
}

.std-search-toggle:focus-visible {
  outline: 2px solid #728a42;
  outline-offset: 2px;
}

/* 徽标需屏蔽全局 html.std-enhanced kbd 样式 (边框/背景/min-width), 高特异性覆盖 */
html.std-enhanced .std-search-toggle-kbd {
  display: inline-flex;
  min-width: 0;
  min-height: 0;
  place-items: initial;
  padding: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  color: oklch(0.551 0.027 264.364);
  box-shadow: none;
  font: 500 0.6875rem/1 'Inter', system-ui, -apple-system, sans-serif;
  letter-spacing: -0.01em;
}

@media (prefers-color-scheme: dark) {
  .std-search-toggle {
    background: color-mix(in oklch, oklch(0.13 0.028 261.692) 5%, transparent);
    box-shadow: inset 0 0 0 1px color-mix(in oklch, oklch(0.13 0.028 261.692) 2%, transparent);
    color: oklch(0.551 0.027 264.364);
  }

  .std-search-toggle svg {
    fill: oklch(0.551 0.027 264.364);
  }

  .std-search-toggle:hover {
    background: color-mix(in oklch, oklch(0.13 0.028 261.692) 8%, transparent);
    box-shadow: inset 0 0 0 1px color-mix(in oklch, oklch(0.13 0.028 261.692) 5%, transparent);
  }

  html.std-enhanced .std-search-toggle-kbd {
    color: oklch(0.446 0.03 256.802);
  }
}

/* 原生 autodoc 搜索输入框: 保留在 DOM 中供 main.js 读写, 视觉隐藏 */
html.std-enhanced #search {
  display: none !important;
}

/* 原生内联搜索结果区: 搜索结果仅展示于弹窗, 常驻隐藏 */
html.std-enhanced #sectSearchResults,
html.std-enhanced #sectSearchNoResults {
  display: none !important;
}

.std-subnav {
  position: sticky;
  top: var(--std-topbar-height);
  z-index: 40;
  min-height: 2.8rem;
  border-bottom: 1px solid var(--std-border);
  background: color-mix(in oklch, var(--std-bg) 92%, transparent);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  backdrop-filter: blur(14px) saturate(150%);
}

.std-subnav:has(#sectNav.hidden) {
  display: none;
}

.std-subnav-inner {
  overflow-x: auto;
  scrollbar-width: none;
}

.std-subnav-inner::-webkit-scrollbar {
  display: none;
}

html.std-enhanced #sectNav {
  width: max-content;
  min-width: 100%;
}

html.std-enhanced #listNav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 2.8rem;
  margin: 0;
  padding: 0.55rem 0;
  overflow: visible;
  list-style: none;
  background: transparent;
}

html.std-enhanced #listNav li {
  display: inline-flex;
  align-items: center;
  float: none;
  flex: 0 0 auto;
}

html.std-enhanced #listNav li + li::before {
  content: '/';
  display: block;
  margin-right: 0.75rem;
  color: var(--std-faint);
  font-size: 0.875rem;
  line-height: 1.5rem;
}

html.std-enhanced #listNav a {
  display: block;
  padding: 0;
  border-radius: 0;
  background: transparent;
  color: var(--std-muted);
  font-size: 0.875rem;
  font-weight: 400;
  line-height: 1.5rem;
  text-decoration: none;
  transition: color 150ms ease;
}

html.std-enhanced #listNav a:hover,
html.std-enhanced #listNav a:focus-visible {
  color: var(--std-heading);
}

html.std-enhanced #listNav a.active {
  background: transparent;
  color: var(--std-heading);
  font-weight: 500;
}

.std-main {
  display: grid;
  grid-template-columns: minmax(0, var(--std-content-width)) minmax(11rem, 14rem);
  gap: 3rem;
  align-items: start;
  width: min(100%, calc(var(--std-content-width) + 20rem));
  margin-inline: auto;
  padding-inline: 1.5rem;
  padding-top: clamp(2.5rem, 6vw, 5rem);
  padding-bottom: 6rem;
}

.std-main--no-toc {
  grid-template-columns: minmax(0, var(--std-content-width));
  width: min(100%, calc(var(--std-content-width) + 3rem));
}

html.std-enhanced .std-main > section {
  clear: none;
  grid-column: 1;
  grid-row: 1;
  width: 100%;
  min-width: 0;
  padding: 0;
}

.std-page-toc {
  position: sticky;
  top: calc(var(--std-topbar-height) + 4.25rem);
  grid-column: 2;
  grid-row: 1;
  max-height: calc(100vh - var(--std-topbar-height) - 5.5rem);
  min-width: 0;
  overflow: auto;
  scroll-behavior: smooth;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: transparent transparent;
  transition: scrollbar-color 0.15s ease;
}

.std-page-toc:hover {
  scrollbar-color: color-mix(in oklch, var(--std-heading) 15%, transparent) transparent;
}

.std-page-toc::-webkit-scrollbar {
  width: 4px;
}

.std-page-toc::-webkit-scrollbar-track {
  background: transparent;
}

.std-page-toc::-webkit-scrollbar-thumb {
  background: transparent;
  border-radius: 2px;
}

.std-page-toc:hover::-webkit-scrollbar-thumb {
  background: color-mix(in oklch, var(--std-heading) 15%, transparent);
}

html.std-enhanced .std-page-toc-title {
  margin: 0 0 0.75rem;
  padding-left: 1rem;
  color: var(--std-muted);
  font-family: var(--std-font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.08em;
  text-align: left;
  text-transform: uppercase;
  text-decoration: none;
}

.std-page-toc-list {
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 0 0 0 1rem;
  list-style: none;
}

.std-page-toc-item {
  min-width: 0;
  margin: 0;
}

.std-page-toc-item button {
  display: block;
  width: 100%;
  padding: 0.25rem 0.75rem;
  overflow: hidden;
  border: 0;
  border-left: 1px solid var(--std-border);
  border-radius: 0;
  background: transparent;
  color: var(--std-faint);
  cursor: pointer;
  font-family: var(--std-font-sans);
  font-size: 0.8125rem;
  font-weight: 400;
  line-height: 1.6;
  text-align: left;
  text-decoration: none;
  word-break: break-word;
  white-space: normal;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.std-page-toc-item button:hover,
.std-page-toc-item button:focus-visible {
  color: var(--std-muted);
  border-left-color: var(--std-muted);
}

.std-page-toc-item button.active {
  color: var(--std-heading);
  border-left-color: var(--std-heading);
  font-weight: 500;
}

.std-page-toc-level-1:first-child {
  margin-top: 0;
}

.std-page-toc-level-1 button {
  color: var(--std-muted);
  font-size: 0.8rem;
}

.std-page-toc-level-2 button {
  padding-left: 25px;
}

html.std-enhanced [id^='std-toc-'] {
  scroll-margin-top: calc(var(--std-topbar-height) + 4rem);
}

html.std-enhanced p {
  margin: 0.8rem 1rem 1rem;
  color: var(--std-muted);
}

html.std-enhanced h1,
html.std-enhanced h2,
html.std-enhanced h3 {
  color: var(--std-heading);
  font-family: var(--std-font-sans);
  font-weight: 700;
  letter-spacing: -0.025em;
}

html.std-enhanced #hdrName {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin: 0 0 1rem;
  padding: 0 0 0.8rem;
  border: 0;
  border-bottom: 1px solid var(--std-border);
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  line-height: 1.15;
}

html.std-enhanced #hdrName a {
  padding: 0;
  color: var(--std-link);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0;
  text-decoration: none;
}

html.std-enhanced section h2 {
  margin: 2.75rem 0 1rem;
  padding: 0 0 0.7rem;
  border: 0;
  border-bottom: 1px solid var(--std-border);
  font-size: 1.2rem;
  line-height: 1.35;
}

html.std-enhanced a {
  color: var(--std-link);
  font-weight: 600;
  text-decoration: none;
}

html.std-enhanced a:hover {
  background: transparent;
  color: var(--std-link-hover);
}

html.std-enhanced :focus-visible {
  outline: 2px solid var(--std-focus);
  outline-offset: 3px;
}

html.std-enhanced code,
html.std-enhanced pre,
html.std-enhanced kbd {
  font-family: var(--std-font-mono);
}

html.std-enhanced :not(pre) > code {
  padding: 0.12em 0.35em;
  border: 1px solid var(--std-border);
  border-radius: 0.3rem;
  background: var(--std-code-bg);
  color: var(--std-code-text);
  font-size: 0.86em;
  white-space: break-spaces;
}

html.std-enhanced pre {
  max-width: 100%;
  margin: 0;
  padding: 1.15rem 1.25rem;
  overflow: auto;
  border: 0;
  border-radius: 0.5rem;
  background: var(--std-code-bg);
  color: var(--std-code-text);
  box-shadow: inset 0 0 0 1px var(--std-border), 0 1px 2px color-mix(in oklch, black 4%, transparent);
  font-size: 0.875rem;
  line-height: 1.9;
  tab-size: 4;
}

html.std-enhanced pre code {
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font-size: inherit;
  white-space: pre;
}

html.std-enhanced #fnProto,
html.std-enhanced #sectDocTests,
html.std-enhanced #sectSource {
  margin-block: 1.25rem 2rem;
}

html.std-enhanced .source-code {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  align-items: stretch;
  gap: 0;
  max-width: 100%;
  padding: 0.25rem;
  overflow: hidden;
  border: 1px solid var(--std-border);
  border-radius: 0.75rem;
  background: var(--std-fn-card-bg);
  box-shadow: 0 1px 2px color-mix(in oklch, black 4%, transparent);
}

html.std-enhanced .source-code pre {
  min-height: 100%;
  margin: 0;
  background: var(--std-fn-code-bg);
  box-shadow: none;
}

html.std-enhanced .source-line-numbers {
  position: sticky;
  left: 0;
  z-index: 1;
  overflow: hidden;
  border-radius: 0.5rem 0 0 0.5rem;
  background: color-mix(in oklch, var(--std-fn-code-bg) 86%, var(--std-bg));
  box-shadow: inset 1px 0 0 var(--std-fn-code-ring), inset 0 1px 0 var(--std-fn-code-ring), inset 0 -1px 0 var(--std-fn-code-ring);
}

html.std-enhanced .source-line-numbers pre {
  overflow: hidden;
  background: transparent;
  color: var(--std-faint);
  text-align: right;
  user-select: none;
}

html.std-enhanced .source-text {
  min-width: 0;
  overflow-x: auto;
  border-radius: 0 0.5rem 0.5rem 0;
  background: var(--std-fn-code-bg);
  box-shadow: inset -1px 0 0 var(--std-fn-code-ring), inset 0 1px 0 var(--std-fn-code-ring), inset 0 -1px 0 var(--std-fn-code-ring);
}

html.std-enhanced .source-text pre {
  background: transparent;
}

html.std-enhanced #listFields,
html.std-enhanced #listParams,
html.std-enhanced #listFns,
html.std-enhanced #listFnErrors {
  display: grid;
  gap: 0.75rem;
}

html.std-enhanced #listFnErrors > div {
  margin: 0;
  padding: 1rem 1.1rem;
  overflow: hidden;
  border: 1px solid var(--std-border);
  border-radius: 0.6rem;
  background: var(--std-surface-raised);
}

html.std-enhanced .fieldDocs {
  margin: 0;
  padding: 0.8rem 0 0;
  border: 0;
  color: var(--std-muted);
}

/* 无文档字段的空 fieldDocs 撑出 padding 使卡片边框变宽, 直接隐藏 */
html.std-enhanced .fieldDocs:empty {
  display: none;
}

html.std-enhanced #listFns {
  margin: 0;
}

html.std-enhanced #listFields > div,
html.std-enhanced #listParams > div,
html.std-enhanced #listFns > div {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0.25rem;
  overflow: hidden;
  border: 1px solid var(--std-border);
  border-radius: 0.75rem;
  background: var(--std-fn-card-bg);
  box-shadow: 0 1px 2px color-mix(in oklch, black 4%, transparent);
}

html.std-enhanced #listParams > div > dt,
html.std-enhanced #listParams > div > dd,
html.std-enhanced #listFns > div > dt,
html.std-enhanced #listFns > div > dd {
  display: block;
  margin: 0;
}

html.std-enhanced #listParams > div > dt,
html.std-enhanced #listFns > div > dt {
  min-width: 0;
  overflow-x: auto;
  border-radius: 0.5rem;
  background: var(--std-fn-code-bg);
  box-shadow: inset 0 0 0 1px var(--std-fn-code-ring);
}

html.std-enhanced #listFields > div > pre,
html.std-enhanced #listParams > div > pre {
  min-width: 0;
  margin: 0;
  overflow-x: auto;
  border-radius: 0.5rem;
  background: var(--std-fn-code-bg);
  box-shadow: inset 0 0 0 1px var(--std-fn-code-ring);
}

html.std-enhanced #listParams > div > dt code,
html.std-enhanced #listFields > div > pre code,
html.std-enhanced #listParams > div > pre code,
html.std-enhanced #listFns > div > dt code {
  display: block;
  min-width: max-content;
  padding: 1rem 1.1rem;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--std-code-text);
  font-size: 0.875rem;
  line-height: 1.65;
  white-space: pre;
}

html.std-enhanced #listParams > div > dd,
html.std-enhanced #listFns > div > dd {
  max-width: none;
  padding: 0.85rem 0.9rem 0.9rem;
  color: var(--std-muted);
}

html.std-enhanced #listParams > div > dd p,
html.std-enhanced #listFns > div > dd p {
  margin: 0;
}

html.std-enhanced #listParams > div > dd:empty,
html.std-enhanced #listFns > div > dd:empty {
  display: none;
}

html.std-enhanced #listFns > dt {
  margin: 0;
  overflow-x: auto;
  border: 1px solid var(--std-border);
  border-radius: 0.55rem 0.55rem 0 0;
  background: var(--std-surface-raised);
}

html.std-enhanced #listFns > dt code {
  display: block;
  min-width: max-content;
  padding: 0.85rem 1rem;
  border: 0;
  background: transparent;
}

html.std-enhanced #listFns > dd {
  max-width: none;
  margin: -0.75rem 0 0;
  padding: 0.9rem 1rem 1rem;
  border: 1px solid var(--std-border);
  border-top: 0;
  border-radius: 0 0 0.55rem 0.55rem;
  color: var(--std-muted);
}

html.std-enhanced #listFns > dd:empty {
  display: none;
}

html.std-enhanced #tldDocs :where(ul, ol):not(.columns),
html.std-enhanced .fieldDocs :where(ul, ol):not(.columns) {
  max-width: var(--std-prose-width);
  margin: 0.85rem 0 1.1rem;
  padding-inline-start: 1.45rem;
  color: var(--std-muted);
}

html.std-enhanced #tldDocs ul:not(.columns),
html.std-enhanced .fieldDocs ul:not(.columns) {
  list-style: disc;
}

html.std-enhanced #tldDocs ol:not(.columns),
html.std-enhanced .fieldDocs ol:not(.columns) {
  list-style: decimal;
}

html.std-enhanced #tldDocs :where(ul, ol):not(.columns) li,
html.std-enhanced .fieldDocs :where(ul, ol):not(.columns) li {
  margin: 0.35rem 0;
  padding-inline-start: 0.2rem;
}

html.std-enhanced #tldDocs :where(ul, ol):not(.columns) li::marker,
html.std-enhanced .fieldDocs :where(ul, ol):not(.columns) li::marker {
  color: var(--std-faint);
}

html.std-enhanced ul.columns {
  columns: 18rem;
  column-gap: 2rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

html.std-enhanced ul.columns li {
  break-inside: avoid;
  margin: 0 0 0.5rem;
}

html.std-enhanced table {
  display: block;
  width: 100%;
  margin: 1rem 0 2rem;
  overflow-x: auto;
  border: 0;
  border-collapse: collapse;
  background: transparent;
  font-size: 0.875rem;
  line-height: 1.5;
  white-space: nowrap;
}

html.std-enhanced tbody {
  display: table;
  width: 100%;
  border-collapse: collapse;
}

html.std-enhanced tr {
  border-bottom: 1px solid var(--std-border);
}

html.std-enhanced tr:last-child {
  border-bottom: 0;
}

html.std-enhanced th,
html.std-enhanced td {
  max-width: none;
  padding: 0.8rem 0.75rem;
  overflow: visible;
  color: var(--std-muted);
  text-align: start;
  text-overflow: clip;
  vertical-align: baseline;
}

html.std-enhanced th:first-child,
html.std-enhanced td:first-child {
  padding-left: 0;
}

html.std-enhanced th:last-child,
html.std-enhanced td:last-child {
  padding-right: 0;
}

html.std-enhanced #listSearchResults {
  display: grid;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

html.std-enhanced #listSearchResults li {
  border: 1px solid transparent;
  border-radius: 0.5rem;
  background: transparent;
}

html.std-enhanced #listSearchResults li a {
  display: block;
  padding: 0.7rem 0.85rem;
  text-decoration: none;
}

html.std-enhanced #listSearchResults li:hover {
  background: var(--std-hover);
}

html.std-enhanced #listSearchResults li.selected {
  border-color: var(--std-border-strong);
  background: var(--std-active);
}

html.std-enhanced #listSearchResults li.selected a {
  color: var(--std-active-text);
}

html.std-enhanced kbd {
  display: inline-grid;
  min-width: 1.65rem;
  min-height: 1.55rem;
  place-items: center;
  padding: 0.15rem 0.4rem;
  border: 1px solid var(--std-border-strong);
  border-radius: 0.35rem;
  background: var(--std-surface-raised);
  color: var(--std-heading);
  box-shadow: 0 1px 0 var(--std-border-strong);
  font: 600 0.72rem/1 var(--std-font-sans);
}

html.std-enhanced #helpDialog {
  display: none !important;
  z-index: 70;
  width: min(24rem, calc(100vw - 2rem));
  height: auto;
  max-height: calc(100vh - 2rem);
  padding: 1.25rem 1.35rem;
  overflow: auto;
  border: 1px solid var(--std-border-strong);
  border-radius: 0.8rem;
  background: var(--std-surface-raised);
  color: var(--std-text);
  box-shadow: 0 24px 70px color-mix(in oklch, black 28%, transparent);
}

html.std-enhanced #helpDialog h1 {
  margin: 0 0 1rem;
  font-size: 1.15rem;
  text-align: start;
}

html.std-enhanced #helpDialog dl {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 0.65rem;
  align-items: center;
  margin: 0;
  padding: 0.45rem 0;
  border-top: 1px solid var(--std-border);
}

html.std-enhanced #helpDialog dt,
html.std-enhanced #helpDialog dd {
  display: block;
  margin: 0;
}

html.std-enhanced #helpDialog dd {
  color: var(--std-muted);
  font-size: 0.85rem;
}

html.std-enhanced #errors {
  inset: auto 1rem 1rem auto;
  z-index: 80;
  width: min(36rem, calc(100vw - 2rem));
  max-height: min(22rem, 55vh);
  padding: 1rem;
  overflow: auto;
  border: 1px solid color-mix(in oklch, var(--std-danger) 45%, transparent);
  border-radius: 0.65rem;
  background: color-mix(in oklch, var(--std-danger) 14%, var(--std-surface-raised));
  color: var(--std-heading);
  box-shadow: 0 18px 50px color-mix(in oklch, black 24%, transparent);
}

html.std-enhanced #errors h1 {
  margin: 0 0 0.6rem;
  font-size: 1rem;
}

html.std-enhanced #errors pre {
  background: color-mix(in oklch, var(--std-danger) 8%, var(--std-code-bg));
}

html.std-enhanced .tok-kw {
  color: #b45309;
  font-weight: 700;
}

html.std-enhanced .tok-str {
  color: #728a42;
}

html.std-enhanced .tok-builtin {
  color: #5f7432;
}

html.std-enhanced .tok-type {
  color: #556b26;
}

html.std-enhanced .tok-comment {
  color: #9ca3af;
  font-style: italic;
}

html.std-enhanced .tok-fn {
  color: #334155;
  font-weight: 650;
}

html.std-enhanced .tok-null,
html.std-enhanced .tok-number {
  color: #d97706;
}

@media (prefers-color-scheme: dark) {
  html.std-enhanced .tok-kw {
    color: #f7a41e;
  }

  html.std-enhanced .tok-str {
    color: #a9bd6e;
  }

  html.std-enhanced .tok-builtin {
    color: #97a571;
  }

  html.std-enhanced .tok-type {
    color: #8f9d6c;
  }

  html.std-enhanced .tok-comment {
    color: #6b7280;
  }

  html.std-enhanced .tok-fn {
    color: #cbd5e1;
  }

  html.std-enhanced .tok-null,
  html.std-enhanced .tok-number {
    color: #fcd34d;
  }

  /* Page TOC dark mode */
  .std-page-toc-title {
    color: var(--std-faint);
  }

  .std-page-toc-item button {
    color: var(--std-faint);
    border-left-color: color-mix(in oklch, var(--std-heading) 20%, transparent);
  }

  .std-page-toc-item button:hover,
  .std-page-toc-item button:focus-visible {
    color: var(--std-muted);
    border-left-color: var(--std-muted);
  }

  .std-page-toc-item button.active {
    color: var(--std-heading);
    border-left-color: var(--std-heading);
  }
}

@media (prefers-color-scheme: dark) and (min-width: 64rem) {
  .std-page-toc:hover {
    scrollbar-color: color-mix(in oklch, var(--std-heading) 30%, transparent) transparent;
  }

  .std-page-toc:hover::-webkit-scrollbar-thumb {
    background: color-mix(in oklch, var(--std-heading) 30%, transparent);
  }
}

@media (max-width: 47.999rem) {
  .std-topbar-inner,
  .std-subnav-inner {
    padding-inline: 1rem;
  }

  .std-topbar-inner {
    gap: 0.8rem;
  }

  .std-brand {
    gap: 0.4rem;
  }

  .std-brand .logo {
    width: 2.25rem;
  }

  .std-brand .logo svg {
    object-fit: cover;
    object-position: left;
  }

  .std-brand-long {
    display: none;
  }

  .std-brand-short {
    display: inline;
  }

  .std-search-wrap {
    flex: 1 1 auto;
    min-width: 0;
  }

  html.std-enhanced .std-search-toggle-kbd {
    display: none;
  }

  .std-main {
    padding-inline: 1rem;
    padding-top: 2.5rem;
    padding-bottom: 4rem;
  }

  html.std-enhanced #hdrName {
    font-size: 1.7rem;
  }

  html.std-enhanced pre {
    padding: 1rem;
    font-size: 0.8rem;
  }

  html.std-enhanced .source-code {
    grid-template-columns: 3.5rem minmax(0, 1fr);
  }
}

@media (max-width: 63.999rem) {
  .std-main {
    grid-template-columns: minmax(0, 1fr);
    width: min(100%, calc(var(--std-content-width) + 3rem));
  }

  .std-page-toc {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html.std-enhanced *,
  html.std-enhanced *::before,
  html.std-enhanced *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    margin-left: 1rem;
  }
}

@media print {
  html.std-enhanced body {
    background: white;
    color: black;
  }

  .std-topbar,
  .std-subnav,
  #std-search-host,
  html.std-enhanced #helpDialog,
  html.std-enhanced #errors {
    display: none !important;
  }

  .std-shell {
    padding-top: 0;
  }

  .std-main {
    width: 100%;
    max-width: none;
    padding: 0;
  }

  html.std-enhanced pre,
  html.std-enhanced .source-code {
    overflow: visible;
    white-space: pre-wrap;
    box-shadow: inset 0 0 0 1px #d1d5db;
  }
}

/* ── ICP 备案区: 强制灰字 12px + 底部两行空白 ───────────── */

/* 备案区经共享 icp-footer.js 追加到 body 末尾;
   强制灰字 12px, 防止被文档排版规则覆盖 */
body > .icp-footer {
  --icp-footer-color: #666;
  --icp-footer-hover-color: #000;
  color: var(--icp-footer-color) !important;
  font-size: 12px !important;
  line-height: 1.5 !important;
  /* 底部两行空白 (2 x 1.5 行高, 12px 字号下为 36px) */
  padding-bottom: 3em;
}

body > .icp-footer .icp-footer-notice,
body > .icp-footer .icp-footer-license-line,
body > .icp-footer .icp-footer-label {
  color: var(--icp-footer-color) !important;
}

/* 备案号链接: 自持常规字重/非 hover 无下划线 (hover 时才出下划线),
   hover 不继承文档 600 字重 (不变大) */
body > .icp-footer .icp-footer-license {
  font-weight: normal !important;
  text-decoration: none !important;
}

body > .icp-footer .icp-footer-license:not(:hover) {
  color: var(--icp-footer-color) !important;
}

body > .icp-footer .icp-footer-license:hover {
  text-decoration: underline !important;
}

/* 平台名称链接: 自持 600 字重, 不继承文档链接色 (hover 态交回共享样式) */
body > .icp-footer .icp-footer-link {
  font-weight: 600 !important;
}

body > .icp-footer .icp-footer-link:not(:hover) {
  color: var(--icp-footer-color) !important;
}

/* hover 态颜色自持: 不继承文档链接 hover 色 (绿色), 用共享组件配色 */
body > .icp-footer .icp-footer-license:hover,
body > .icp-footer .icp-footer-link:hover {
  color: var(--icp-footer-hover-color) !important;
}

/* 暗色主题: 强制色切换为浅灰 (与共享 icp-footer.css 取值一致) */
@media (prefers-color-scheme: dark) {
  body > .icp-footer {
    --icp-footer-color: #a1a1aa;
    --icp-footer-hover-color: #fff;
  }
}