/*! tailwindcss v4.2.4 | MIT License | https://tailwindcss.com */
@layer properties;
@layer theme, base, components, utilities;
@layer theme {
  :root, :host {
    --font-sans: ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji",
      "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    --font-serif: "Noto Serif SC", "Songti SC", "STSong", Georgia,
    "Times New Roman", serif;
    --font-mono: "JetBrains Mono", "SF Mono", "Menlo", "Consolas",
    "Liberation Mono", monospace;
    --spacing: 0.25rem;
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --tracking-wide: 0.02em;
    --leading-tight: 1.2;
    --leading-snug: 1.4;
    --leading-normal: 1.7;
    --shadow-md: 0 4px 12px rgb(0 0 0 / 0.06);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --default-font-family: var(--font-sans);
    --default-mono-font-family: var(--font-mono);
    --color-bg: #fffefc;
    --color-bg-soft: #faf8f3;
    --color-bg-sunken: #f5f4ef;
    --color-fg: #292524;
    --color-fg-muted: #57534e;
    --color-fg-subtle: #78716c;
    --color-border: #e7e5e4;
    --color-border-strong: #d6d3d1;
    --color-accent: #b91c1c;
    --color-accent-soft: #fef2f2;
    --color-link: #292524;
    --color-bg-dark: #1c1917;
    --color-bg-soft-dark: #292524;
    --color-bg-sunken-dark: #0f0e0c;
    --color-fg-dark: #f5f5f4;
    --color-fg-muted-dark: #a8a29e;
    --color-fg-subtle-dark: #78716c;
    --color-border-dark: #44403c;
    --color-border-strong-dark: #57534e;
    --color-accent-dark: #f87171;
    --color-accent-soft-dark: #450a0a;
    --font-deco: "LXGW WenKai Lite", "Kaiti SC", KaiTi, "STKaiti", serif;
    --font-system: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif;
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --shell-max: 1100px;
    --sidebar-w: 220px;
    --content-max: 900px;
    --shell-pad: 3rem;
    --shell-gap: 3rem;
    --toc-panel-w: 240px;
    --toc-bar-h2: 24px;
    --toc-bar-h3: 16px;
    --toc-bar-h4: 10px;
    --radius-1: 4px;
    --radius-2: 6px;
    --radius-3: 8px;
    --radius-4: 10px;
    --radius-5: 12px;
    --radius-6: 14px;
    --radius-pill: 999px;
    --duration-fast: 150ms;
    --duration-normal: 250ms;
  }
}
@layer base {
  *, ::after, ::before, ::backdrop, ::file-selector-button {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    border: 0 solid;
  }
  html, :host {
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
    tab-size: 4;
    font-family: var(--default-font-family, ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");
    font-feature-settings: var(--default-font-feature-settings, normal);
    font-variation-settings: var(--default-font-variation-settings, normal);
    -webkit-tap-highlight-color: transparent;
  }
  hr {
    height: 0;
    color: inherit;
    border-top-width: 1px;
  }
  abbr:where([title]) {
    -webkit-text-decoration: underline dotted;
    text-decoration: underline dotted;
  }
  h1, h2, h3, h4, h5, h6 {
    font-size: inherit;
    font-weight: inherit;
  }
  a {
    color: inherit;
    -webkit-text-decoration: inherit;
    text-decoration: inherit;
  }
  b, strong {
    font-weight: bolder;
  }
  code, kbd, samp, pre {
    font-family: var(--default-mono-font-family, ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);
    font-feature-settings: var(--default-mono-font-feature-settings, normal);
    font-variation-settings: var(--default-mono-font-variation-settings, normal);
    font-size: 1em;
  }
  small {
    font-size: 80%;
  }
  sub, sup {
    font-size: 75%;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
  }
  sub {
    bottom: -0.25em;
  }
  sup {
    top: -0.5em;
  }
  table {
    text-indent: 0;
    border-color: inherit;
    border-collapse: collapse;
  }
  :-moz-focusring {
    outline: auto;
  }
  progress {
    vertical-align: baseline;
  }
  summary {
    display: list-item;
  }
  ol, ul, menu {
    list-style: none;
  }
  img, svg, video, canvas, audio, iframe, embed, object {
    display: block;
    vertical-align: middle;
  }
  img, video {
    max-width: 100%;
    height: auto;
  }
  button, input, select, optgroup, textarea, ::file-selector-button {
    font: inherit;
    font-feature-settings: inherit;
    font-variation-settings: inherit;
    letter-spacing: inherit;
    color: inherit;
    border-radius: 0;
    background-color: transparent;
    opacity: 1;
  }
  :where(select:is([multiple], [size])) optgroup {
    font-weight: bolder;
  }
  :where(select:is([multiple], [size])) optgroup option {
    padding-inline-start: 20px;
  }
  ::file-selector-button {
    margin-inline-end: 4px;
  }
  ::placeholder {
    opacity: 1;
  }
  @supports (not (-webkit-appearance: -apple-pay-button))  or (contain-intrinsic-size: 1px) {
    ::placeholder {
      color: currentcolor;
      @supports (color: color-mix(in lab, red, red)) {
        color: color-mix(in oklab, currentcolor 50%, transparent);
      }
    }
  }
  textarea {
    resize: vertical;
  }
  ::-webkit-search-decoration {
    -webkit-appearance: none;
  }
  ::-webkit-date-and-time-value {
    min-height: 1lh;
    text-align: inherit;
  }
  ::-webkit-datetime-edit {
    display: inline-flex;
  }
  ::-webkit-datetime-edit-fields-wrapper {
    padding: 0;
  }
  ::-webkit-datetime-edit, ::-webkit-datetime-edit-year-field, ::-webkit-datetime-edit-month-field, ::-webkit-datetime-edit-day-field, ::-webkit-datetime-edit-hour-field, ::-webkit-datetime-edit-minute-field, ::-webkit-datetime-edit-second-field, ::-webkit-datetime-edit-millisecond-field, ::-webkit-datetime-edit-meridiem-field {
    padding-block: 0;
  }
  ::-webkit-calendar-picker-indicator {
    line-height: 1;
  }
  :-moz-ui-invalid {
    box-shadow: none;
  }
  button, input:where([type="button"], [type="reset"], [type="submit"]), ::file-selector-button {
    appearance: button;
  }
  ::-webkit-inner-spin-button, ::-webkit-outer-spin-button {
    height: auto;
  }
  [hidden]:where(:not([hidden="until-found"])) {
    display: none !important;
  }
}
@layer utilities {
  .collapse {
    visibility: collapse;
  }
  .visible {
    visibility: visible;
  }
  .absolute {
    position: absolute;
  }
  .fixed {
    position: fixed;
  }
  .relative {
    position: relative;
  }
  .start {
    inset-inline-start: var(--spacing);
  }
  .end {
    inset-inline-end: var(--spacing);
  }
  .container {
    width: 100%;
    @media (width >= 40rem) {
      max-width: 40rem;
    }
    @media (width >= 48rem) {
      max-width: 48rem;
    }
    @media (width >= 64rem) {
      max-width: 64rem;
    }
    @media (width >= 80rem) {
      max-width: 80rem;
    }
    @media (width >= 96rem) {
      max-width: 96rem;
    }
  }
  .block {
    display: block;
  }
  .contents {
    display: contents;
  }
  .flex {
    display: flex;
  }
  .grid {
    display: grid;
  }
  .hidden {
    display: none;
  }
  .inline {
    display: inline;
  }
  .list-item {
    display: list-item;
  }
  .table {
    display: table;
  }
  .flex-shrink {
    flex-shrink: 1;
  }
  .flex-grow {
    flex-grow: 1;
  }
  .grow {
    flex-grow: 1;
  }
  .transform {
    transform: var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,);
  }
  .flex-wrap {
    flex-wrap: wrap;
  }
  .truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .lowercase {
    text-transform: lowercase;
  }
  .uppercase {
    text-transform: uppercase;
  }
  .italic {
    font-style: italic;
  }
  .underline {
    text-decoration-line: underline;
  }
  .ring {
    --tw-ring-shadow: var(--tw-ring-inset,) 0 0 0 calc(1px + var(--tw-ring-offset-width)) var(--tw-ring-color, currentcolor);
    box-shadow: var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow);
  }
}
@font-face {
  font-family: "Noto Serif SC";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/noto-serif-sc-400-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Noto Serif SC";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/noto-serif-sc-400-cjk-common.woff2") format("woff2");
  unicode-range: U+3000-303F, U+3041-309F, U+30A0-30FF, U+FF00-FFEF, U+4E00-9FFF;
}
@font-face {
  font-family: "Noto Serif SC";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/noto-serif-sc-400-cjk-ext.woff2") format("woff2");
  unicode-range: U+3400-4DBF, U+20000-2A6DF, U+2A700-2B73F, U+2B740-2B81F, U+2B820-2CEAF, U+2F800-2FA1F;
}
@font-face {
  font-family: "Noto Serif SC";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/fonts/noto-serif-sc-600-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Noto Serif SC";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/fonts/noto-serif-sc-600-cjk-common.woff2") format("woff2");
  unicode-range: U+3000-303F, U+3041-309F, U+30A0-30FF, U+FF00-FFEF, U+4E00-9FFF;
}
@font-face {
  font-family: "Noto Serif SC";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/fonts/noto-serif-sc-600-cjk-ext.woff2") format("woff2");
  unicode-range: U+3400-4DBF, U+20000-2A6DF, U+2A700-2B73F, U+2B740-2B81F, U+2B820-2CEAF, U+2F800-2FA1F;
}
@font-face {
  font-family: "LXGW WenKai Lite";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/lxgw-wenkai-lite-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "LXGW WenKai Lite";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/lxgw-wenkai-lite-cjk-common.woff2") format("woff2");
  unicode-range: U+3000-303F, U+3041-309F, U+30A0-30FF, U+FF00-FFEF, U+4E00-9FFF;
}
@font-face {
  font-family: "LXGW WenKai Lite";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/lxgw-wenkai-lite-cjk-ext.woff2") format("woff2");
  unicode-range: U+3400-4DBF, U+20000-2A6DF, U+2A700-2B73F, U+2B740-2B81F, U+2B820-2CEAF, U+2F800-2FA1F;
}
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: var(--color-bg-dark);
    --color-bg-soft: var(--color-bg-soft-dark);
    --color-bg-sunken: var(--color-bg-sunken-dark);
    --color-fg: var(--color-fg-dark);
    --color-fg-muted: var(--color-fg-muted-dark);
    --color-fg-subtle: var(--color-fg-subtle-dark);
    --color-border: var(--color-border-dark);
    --color-border-strong: var(--color-border-strong-dark);
    --color-accent: var(--color-accent-dark);
    --color-accent-soft: var(--color-accent-soft-dark);
    --color-link: var(--color-fg-dark);
  }
}
:root[data-theme="dark"] {
  --color-bg: var(--color-bg-dark);
  --color-bg-soft: var(--color-bg-soft-dark);
  --color-bg-sunken: var(--color-bg-sunken-dark);
  --color-fg: var(--color-fg-dark);
  --color-fg-muted: var(--color-fg-muted-dark);
  --color-fg-subtle: var(--color-fg-subtle-dark);
  --color-border: var(--color-border-dark);
  --color-border-strong: var(--color-border-strong-dark);
  --color-accent: var(--color-accent-dark);
  --color-accent-soft: var(--color-accent-soft-dark);
  --color-link: var(--color-fg-dark);
}
:root[data-theme="light"] {
  --color-bg: #fffefc;
  --color-bg-soft: #faf8f3;
  --color-bg-sunken: #f5f4ef;
  --color-fg: #292524;
  --color-fg-muted: #57534e;
  --color-fg-subtle: #78716c;
  --color-border: #e7e5e4;
  --color-border-strong: #d6d3d1;
  --color-accent: #b91c1c;
  --color-accent-soft: #fef2f2;
  --color-link: #292524;
}
@layer base {
  *, *::before, *::after {
    box-sizing: border-box;
  }
  html {
    -webkit-text-size-adjust: 100%;
    tab-size: 4;
  }
  body {
    margin: 0;
    min-height: 100vh;
  }
  img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
  }
  button, input, select, textarea {
    font: inherit;
    color: inherit;
  }
  body {
    background: var(--color-bg);
    color: var(--color-fg);
    font-family: var(--font-serif);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
  }
  ::selection {
    background: var(--color-accent);
    color: var(--color-bg);
  }
  :focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
    border-radius: var(--radius-1);
  }
  .skip-link {
    position: absolute;
    top: -100px;
    left: var(--space-4);
    background: var(--color-fg);
    color: var(--color-bg);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-2);
    z-index: 100;
    text-decoration: none;
    border-bottom: none;
    transition: top var(--duration-fast) var(--ease-out);
  }
  .skip-link:focus, .skip-link:focus-visible {
    top: var(--space-4);
  }
  h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: var(--leading-tight);
    margin: 0 0 var(--space-4);
    color: var(--color-fg);
    text-wrap: balance;
  }
  h1 {
    font-size: var(--text-4xl);
  }
  h2 {
    font-size: var(--text-2xl);
    margin-top: var(--space-12);
  }
  h3 {
    font-size: var(--text-xl);
    margin-top: var(--space-8);
  }
  h4 {
    font-size: var(--text-lg);
    margin-top: var(--space-6);
  }
  h5 {
    font-size: var(--text-base);
    margin-top: var(--space-6);
  }
  h6 {
    font-size: var(--text-sm);
    margin-top: var(--space-6);
    color: var(--color-fg-muted);
  }
  p {
    margin: 0 0 var(--space-4);
    line-height: var(--leading-normal);
    text-wrap: pretty;
  }
  a {
    color: var(--color-link);
    text-decoration: none;
    border-bottom: 1px dashed var(--color-border-strong);
    transition: border-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
  }
  a:hover {
    color: var(--color-accent);
    border-bottom-style: solid;
    border-bottom-color: var(--color-accent);
  }
  a:visited {
    color: var(--color-fg-muted);
  }
  a:visited:hover {
    color: var(--color-accent);
  }
  ul, ol {
    margin: 0 0 var(--space-4);
    padding-left: var(--space-8);
    line-height: var(--leading-normal);
  }
  ul {
    list-style-type: disc;
  }
  ol {
    list-style-type: decimal;
  }
  li + li {
    margin-top: var(--space-1);
  }
  li > ul, li > ol {
    margin-top: var(--space-1);
    margin-bottom: 0;
  }
  blockquote {
    margin: var(--space-6) 0;
    padding: var(--space-2) var(--space-6);
    border-left: 3px solid var(--color-border-strong);
    color: var(--color-fg-muted);
    font-style: italic;
  }
  blockquote p:last-child {
    margin-bottom: 0;
  }
  code, kbd, samp, pre {
    font-family: var(--font-mono);
    font-size: 0.95em;
  }
  :not(pre) > code {
    background: var(--color-bg-soft);
    padding: 0.1em 0.4em;
    border-radius: var(--radius-2);
    border: 1px solid var(--color-border);
    font-size: 0.9em;
  }
  pre {
    background: var(--color-bg-soft);
    padding: var(--space-4);
    border-radius: var(--radius-3);
    border: 1px solid var(--color-border);
    overflow-x: auto;
    line-height: var(--leading-snug);
    margin: var(--space-6) 0;
  }
  pre code {
    background: none;
    padding: 0;
    border: none;
    font-size: inherit;
  }
  kbd {
    background: var(--color-bg-soft);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-1);
    padding: 0.05em 0.4em;
    font-size: 0.85em;
    box-shadow: 0 1px 0 var(--color-border-strong);
  }
  hr {
    border: 0;
    border-top: 1px solid var(--color-border);
    margin: var(--space-12) 0;
  }
  table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-6) 0;
    font-size: var(--text-sm);
  }
  th, td {
    padding: var(--space-2) var(--space-3);
    border-bottom: 1px solid var(--color-border);
    text-align: left;
  }
  th {
    font-weight: 600;
    color: var(--color-fg-muted);
    border-bottom-width: 2px;
  }
  tr:last-child td {
    border-bottom: none;
  }
  strong, b {
    font-weight: 600;
  }
  em, i {
    font-style: italic;
  }
  small {
    font-size: var(--text-sm);
    color: var(--color-fg-muted);
  }
  mark {
    background: var(--color-accent-soft);
    color: var(--color-fg);
    padding: 0.05em 0.25em;
    border-radius: var(--radius-1);
  }
  abbr[title] {
    text-decoration: underline dotted;
    cursor: help;
  }
  figure {
    margin: var(--space-6) 0;
  }
  figcaption {
    margin-top: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-fg-muted);
    text-align: center;
  }
  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
      scroll-behavior: auto !important;
    }
  }
}
html {
  scrollbar-gutter: stable;
}
.shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  gap: var(--shell-gap);
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: var(--shell-pad);
  min-height: 100vh;
}
body.has-toc .shell {
  padding-right: calc(var(--shell-pad) + 16px);
}
.sidebar {
  position: sticky;
  top: var(--shell-pad);
  height: max-content;
  min-height: calc(100vh - 2 * var(--shell-pad));
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  padding-right: var(--space-8);
  border-right: 1px solid var(--color-border);
}
.sidebar-brand {
  text-align: right;
}
.sidebar-title {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  font-weight: 600;
  line-height: var(--leading-tight);
  margin: 0 0 var(--space-3);
  color: var(--color-fg);
}
.sidebar-title a {
  border-bottom: none;
  color: inherit;
}
.sidebar-title a:hover {
  color: var(--color-accent);
  border-bottom: none;
}
.sidebar-tagline {
  font-style: italic;
  color: var(--color-fg-muted);
  font-size: var(--text-base);
  line-height: var(--leading-snug);
  margin: 0 0 var(--space-3);
}
.sidebar-nav {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-2);
}
.sidebar-nav a {
  border-bottom: none;
  padding: var(--space-1) 0;
  color: var(--color-fg-muted);
  font-size: var(--text-sm);
  transition: color var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);
}
.sidebar-nav a::after {
  content: " ·";
  color: var(--color-fg-subtle);
}
.sidebar-nav a:hover {
  color: var(--color-accent);
  border-bottom: none;
  transform: translateX(2px);
}
.sidebar-nav a.active {
  color: var(--color-fg);
  font-weight: 600;
}
.sidebar-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-4);
  margin-top: auto;
  padding-top: var(--space-6);
}
.sidebar-actions button, .sidebar-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  background: transparent;
  border: none;
  color: var(--color-fg-muted);
  cursor: pointer;
  transition: color var(--duration-fast) var(--ease-out);
}
.sidebar-actions a {
  border-bottom: none;
}
.sidebar-actions button:hover, .sidebar-actions a:hover, .sidebar-actions button:focus-visible, .sidebar-actions a:focus-visible {
  color: var(--color-accent);
  outline: none;
}
.sidebar-actions svg {
  width: 18px;
  height: 18px;
}
.language-switcher {
  display: inline-flex;
  align-items: center;
}
.language-switcher__link {
  display: inline-flex;
  align-items: center;
  line-height: 0;
}
.theme-icon {
  display: none;
  line-height: 0;
}
.theme-icon--moon {
  display: inline-flex;
}
@media (prefers-color-scheme: dark) {
  .theme-icon--moon {
    display: none;
  }
  .theme-icon--sun {
    display: inline-flex;
  }
}
:root[data-theme="dark"] .theme-icon--moon {
  display: none;
}
:root[data-theme="dark"] .theme-icon--sun {
  display: inline-flex;
}
:root[data-theme="light"] .theme-icon--moon {
  display: inline-flex;
}
:root[data-theme="light"] .theme-icon--sun {
  display: none;
}
body:not(.article-page) #reading-mode-toggle {
  display: none;
}
.sidebar-nav-more {
  display: none;
}
.content {
  max-width: var(--content-max);
  min-width: 0;
}
.footer {
  margin-top: var(--space-16);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-sm);
  color: var(--color-fg-subtle);
  text-align: center;
}
.footer a {
  color: var(--color-fg-muted);
}
@media (max-width: 1023px) {
  .shell {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    padding: var(--space-6);
    gap: var(--space-8);
  }
  .sidebar {
    position: static;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    min-height: 0;
    padding: 0 0 var(--space-4);
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }
  .sidebar-brand {
    text-align: left;
    flex-shrink: 0;
  }
  .sidebar-title {
    font-size: var(--text-xl);
    margin: 0;
  }
  .sidebar-tagline {
    display: none;
  }
  .sidebar-nav {
    flex-direction: row;
    align-items: center;
    gap: var(--space-3);
    flex: 1 1 auto;
    justify-content: center;
    min-width: 0;
  }
  .sidebar-nav a {
    white-space: nowrap;
  }
  .sidebar-nav a::after {
    content: none;
  }
  .sidebar-nav .nav-secondary {
    display: none;
  }
  .sidebar-nav-more {
    display: inline-block;
    position: relative;
    flex-shrink: 0;
  }
  .sidebar-nav-more > summary {
    list-style: none;
    cursor: pointer;
    padding: var(--space-1) 0;
    color: var(--color-fg-muted);
    font-size: var(--text-sm);
    white-space: nowrap;
    transition: color var(--duration-fast) var(--ease-out);
  }
  .sidebar-nav-more > summary::-webkit-details-marker {
    display: none;
  }
  .sidebar-nav-more > summary::after {
    content: " ▾";
    color: var(--color-fg-subtle);
  }
  .sidebar-nav-more > summary:hover {
    color: var(--color-accent);
  }
  .sidebar-nav-more[open] > summary {
    color: var(--color-fg);
  }
  .sidebar-nav-more-list {
    position: absolute;
    top: calc(100% + var(--space-2));
    right: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    min-width: 7rem;
    padding: var(--space-3) var(--space-4);
    background: var(--color-bg-soft);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    z-index: 10;
  }
  .sidebar-nav-more-list a {
    border-bottom: none;
    color: var(--color-fg-muted);
    font-size: var(--text-sm);
    white-space: nowrap;
  }
  .sidebar-nav-more-list a:hover, .sidebar-nav-more-list a.active {
    color: var(--color-fg);
  }
  .sidebar-actions {
    margin-top: 0;
    padding-top: 0;
    flex-shrink: 0;
    gap: var(--space-3);
  }
}
.posts-year {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-fg-subtle);
  margin: var(--space-12) 0 var(--space-4);
  font-variant-numeric: tabular-nums;
  letter-spacing: var(--tracking-wide);
}
.posts-list-year {
  list-style: none;
  padding: 0;
  margin: 0;
}
.posts-item {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: var(--space-4);
  padding: var(--space-2) 0;
  align-items: baseline;
}
.posts-item time {
  color: var(--color-fg-subtle);
  font-variant-numeric: tabular-nums;
  font-size: var(--text-sm);
}
.posts-item a {
  border-bottom: none;
  color: var(--color-fg);
}
.posts-item a:hover {
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-accent);
}
.article-header {
  position: relative;
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}
.article-header .page-title {
  font-size: var(--text-4xl);
  margin: 0 0 var(--space-3);
  line-height: var(--leading-tight);
}
.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-bg);
  color: var(--color-fg-muted);
  cursor: pointer;
  transition: color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out);
}
.icon-button:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.icon-button .icon, .icon-button svg {
  width: 18px;
  height: 18px;
}
.reader-exit {
  position: absolute;
  top: 0;
  right: 0;
  display: none;
}
body.immersive-page .reader-exit {
  display: inline-flex;
}
body.immersive-page .sidebar {
  display: none;
}
body.immersive-page .shell {
  grid-template-columns: 1fr;
  max-width: var(--content-max);
}
.meta-line {
  margin-top: var(--space-2);
  margin-bottom: var(--space-3);
  font-family: var(--font-deco);
  font-size: 13px;
  color: var(--color-fg-subtle);
}
.meta-line--items {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}
.meta-line__item {
  display: inline-flex;
  align-items: center;
}
.meta-line__item--tags {
  flex-wrap: wrap;
  gap: 0.25em 0.55em;
}
.meta-line__item + .meta-line__item::before {
  content: "·";
  margin: 0 0.45em;
  color: var(--color-fg-subtle);
}
.meta-line .tag {
  color: var(--color-accent);
  border-bottom: none;
}
.meta-line .tag:hover {
  border-bottom: 1px solid var(--color-accent);
}
.meta-line time {
  font-variant-numeric: tabular-nums;
}
@media (max-width: 640px) {
  .meta-line__item--desktop-meta {
    display: none;
  }
}
.prev-next {
  margin-top: var(--space-12);
  display: flex;
  gap: var(--space-3);
  flex-wrap: nowrap;
}
.prev-next__item {
  flex: 1 1 0;
  min-width: 0;
}
.prev-next__link {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3);
  border-radius: var(--radius-4);
  border: 1px solid var(--color-border);
  color: var(--color-fg);
  background: transparent;
  transition: color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out), background var(--duration-fast) var(--ease-out);
}
.prev-next__link:hover {
  color: var(--color-fg);
  border-color: var(--color-border);
  background: var(--color-bg-soft);
}
@supports (color: color-mix(in srgb, black 50%, white)) {
  .prev-next__link:hover {
    border-color: color-mix(in srgb, var(--color-border) 85%, var(--color-fg-muted) 15%);
  }
}
.prev-next__link--next {
  text-align: right;
  align-items: flex-end;
}
.prev-next__label {
  font-size: 12px;
  color: var(--color-fg-subtle);
}
.prev-next__title {
  display: block;
  font-size: 13px;
  color: var(--color-fg-muted);
  width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.prev-next__placeholder {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 48px;
}
.home-intro {
  margin-bottom: var(--space-12);
}
.home-recent h2 {
  margin-top: var(--space-12);
  font-size: var(--text-xl);
  color: var(--color-fg-subtle);
  letter-spacing: var(--tracking-wide);
}
.home-recent .posts-list-year {
  margin-top: var(--space-4);
}
.home-recent-more {
  margin-top: var(--space-6);
  font-size: var(--text-sm);
}
.prose {
  font-size: 15px;
  color: var(--color-fg);
  line-height: var(--leading-normal);
  min-width: 0;
  overflow-wrap: anywhere;
}
.prose img {
  max-width: 75%;
  height: auto;
  display: block;
  margin: 0 auto;
}
@media (max-width: 900px) {
  .prose img {
    max-width: 92%;
  }
}
@media (max-width: 640px) {
  .prose img {
    max-width: 100%;
  }
}
.prose h1 {
  font-size: 26px;
  margin: 0 0 12px;
}
.prose h2 {
  font-size: 18px;
  margin: 42px 0 12px;
}
.prose h3 {
  font-size: 16px;
  margin: 28px 0 10px;
}
.prose p {
  margin: 12px 0;
}
.prose blockquote {
  margin: 1.2rem 0;
  padding: 0.75rem var(--space-6);
  background-color: var(--color-bg-sunken);
  border-left: 3px solid var(--color-border);
  color: var(--color-fg-muted);
  font-size: 0.95em;
}
.prose blockquote p {
  margin: 0;
}
.prose blockquote.pullquote {
  position: relative;
  border-left: 0;
  border-right: 0;
  overflow: visible;
  background-color: var(--color-bg-sunken);
  color: var(--color-fg);
  font-size: 1.1em;
  font-weight: 500;
  font-style: normal;
  padding: 1rem 1.6rem 0.5rem 1.8rem;
  box-shadow: 0 1px 2px var(--color-border);
}
@media (max-width: 900px) {
  .prose blockquote {
    padding: 0.65rem var(--space-6);
  }
  .prose blockquote.pullquote {
    padding: 0.9rem 1.35rem 0.5rem 1.55rem;
  }
}
@supports (background: color-mix(in oklab, black, white)) {
  .prose blockquote.pullquote {
    background-color: color-mix(in oklab, var(--color-bg-sunken) 88%, var(--color-border));
    box-shadow: 0 2px 6px color-mix(in oklab, var(--color-border) 70%, transparent);
  }
}
.prose blockquote.pullquote::before {
  content: "\201C";
  position: absolute;
  left: 0;
  top: -1.1rem;
  font-family: Georgia, "Times New Roman", "Noto Serif SC", serif;
  font-size: 6.6rem;
  line-height: 1;
  color: var(--color-border);
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
  transform: translateX(-0.6rem);
}
.prose blockquote.pullquote > * {
  position: relative;
  z-index: 1;
}
.prose blockquote.pullquote cite {
  display: block;
  margin-top: 0.1rem;
  font-size: 0.9em;
  font-style: normal;
  color: var(--color-fg-muted);
  text-align: right;
}
.prose code {
  font-size: 0.9em;
  background: var(--color-bg-sunken);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--color-border);
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}
.prose pre {
  overflow-x: auto;
  overflow-y: hidden;
  padding: 14px 16px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-sunken);
  max-width: 100%;
}
.prose pre code {
  font-size: 0.92em;
  background: transparent;
  padding: 0;
  border: none;
}
.prose ul.gallery {
  margin: 1.2rem 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(1, minmax(0, 1fr));
}
@media (min-width: 900px) {
  .prose ul.gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (min-width: 1200px) {
  .prose ul.gallery.cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .prose ul.gallery.cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.prose ul.gallery > li {
  margin: 0;
}
.prose ul.gallery figure {
  margin: 0;
}
.prose ul.gallery figcaption {
  line-height: 1.4;
}
.prose ul, .prose ol {
  padding-left: 22px;
}
.prose li {
  margin: 6px 0;
}
.prose a {
  border-bottom-color: currentColor;
}
.prose table {
  display: table;
  width: 100%;
  margin: 1.35rem 0;
  max-width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-bg-sunken);
  table-layout: auto;
}
.prose thead th {
  font-weight: 600;
  color: var(--color-fg);
  background: var(--color-bg-soft);
  white-space: nowrap;
}
.prose th, .prose td {
  padding: 0.7rem 0.95rem;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
  text-align: left;
  line-height: 1.65;
  overflow-wrap: anywhere;
}
.prose th:not(:last-child), .prose td:not(:last-child) {
  border-right: 1px solid var(--color-border);
}
.prose tbody tr:last-child td {
  border-bottom: 0;
}
.prose th[align='center'], .prose td[align='center'] {
  text-align: center;
}
.prose th[align='right'], .prose td[align='right'] {
  text-align: right;
}
@supports (background: color-mix(in oklab, black, white)) {
  .prose table {
    box-shadow: 0 1px 2px color-mix(in oklab, var(--color-border) 82%, transparent);
  }
  .prose thead th {
    background: color-mix(in oklab, var(--color-bg-soft) 78%, var(--color-bg-sunken));
  }
  .prose tbody tr:nth-child(even) td {
    background: color-mix(in oklab, var(--color-bg-soft) 32%, var(--color-bg-sunken));
  }
}
@media (max-width: 640px) {
  .prose th, .prose td {
    padding: 0.6rem 0.8rem;
  }
}
.prose figure.figure, .prose figure {
  margin: 18px 0;
}
.prose figure > a, .prose figure.figure > a {
  display: block;
  border-bottom: none;
}
.prose figure > :is(img, picture), .prose figure.figure img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  border-radius: var(--radius-3);
  border: 1px solid var(--color-border);
}
@media (max-width: 900px) {
  .prose figure > :is(img, picture), .prose figure.figure img {
    max-width: 92%;
  }
}
.prose figure > figcaption, .prose figure .figure-caption {
  margin: 6px auto 0;
  text-align: center;
  font-size: 0.9em;
  max-width: min(100%, 32rem);
  font-family: var(--font-deco);
  color: var(--color-fg-muted);
}
.prose figure .figure-caption-alt {
  color: var(--color-fg-subtle);
  font-style: italic;
}
@media (max-width: 900px) {
  .prose figure > figcaption, .prose figure .figure-caption {
    font-size: 0.85em;
  }
}
.prose .code-block {
  position: relative;
  margin: 1.5em 0;
}
.prose .code-block > pre {
  margin: 0;
}
.code-copy {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 28px;
  height: 28px;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2);
  background: var(--color-bg);
  color: var(--color-fg-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out);
}
.prose .code-block:hover .code-copy, .code-copy:focus-visible {
  opacity: 1;
}
.code-copy:hover {
  color: var(--color-fg);
  border-color: var(--color-border-strong);
}
.code-copy:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.code-copy.is-copied {
  color: var(--color-accent);
  border-color: var(--color-accent);
  opacity: 1;
}
.code-copy svg {
  width: 14px;
  height: 14px;
  display: block;
}
.code-copy .icon-check {
  display: none;
}
.code-copy.is-copied .icon-copy {
  display: none;
}
.code-copy.is-copied .icon-check {
  display: block;
}
.list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: var(--space-4);
}
.list-item {
  padding: 18px 0;
}
.list-item--link {
  display: block;
  color: inherit;
  text-decoration: none;
  border-bottom: none;
  border-radius: var(--radius-6);
  padding: var(--space-4);
  transition: background var(--duration-fast) var(--ease-out);
}
.list-item--link:hover, .list-item--link:focus-visible {
  background: var(--color-bg-soft);
  border-bottom-color: transparent;
  outline: 2px solid transparent;
}
.list-item--link:focus-visible {
  outline-color: var(--color-accent);
  outline-offset: 2px;
}
.list-item__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
}
.list-item__heading {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.list-item__title {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--color-fg);
  transition: color var(--duration-fast) var(--ease-out);
}
.list-item--link:hover .list-item__title, .list-item--link:focus-visible .list-item__title {
  color: var(--color-accent);
}
.list-item__excerpt {
  margin: 10px 0 0;
  color: var(--color-fg-muted);
  font-size: 15px;
  line-height: 1.6;
  font-family: var(--font-deco);
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  overflow: hidden;
}
.list-item .meta-line {
  margin-top: 12px;
  margin-bottom: 0;
  padding-top: 0;
}
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0 7px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.6px;
  color: var(--color-fg-muted);
  background: var(--color-bg-soft);
  position: relative;
  top: 1px;
  flex: 0 0 auto;
}
@media (max-width: 900px) {
  .list-item {
    padding: 16px 0;
  }
  .list-item__row {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
}
.page-header--listing {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.page-header--listing .page-heading {
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-3);
  flex-wrap: wrap;
  min-width: 0;
}
.page-header--listing .page-title {
  margin: 0;
}
.page-header--listing .page-actions {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  align-self: baseline;
}
.page-header--listing .page-subtitle {
  margin: 0;
  color: var(--color-fg-muted);
  font-family: var(--font-deco);
  font-size: 14px;
  font-weight: normal;
}
.page-header--listing .icon-link {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-3);
  background: transparent;
  color: var(--color-fg-muted);
  border-bottom: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color var(--duration-fast) var(--ease-out), background var(--duration-fast) var(--ease-out);
}
.page-header--listing .icon-link:hover, .page-header--listing .icon-link:focus-visible {
  color: var(--color-fg);
  background: var(--color-bg-soft);
  border-bottom: 0;
}
.page-header--listing .icon-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.page-header--listing .icon-link svg, .page-header--listing .icon-link .icon {
  width: 16px;
  height: 16px;
  display: block;
}
@media (max-width: 900px) {
  .page-header--listing {
    flex-direction: column;
    align-items: flex-start;
  }
  .page-header--listing .page-heading {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }
  .page-header--listing .page-actions {
    margin-left: 0;
    align-self: flex-start;
  }
}
.pagination {
  margin-top: var(--space-6);
  padding-top: var(--space-3);
}
.pagination__inner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.pagination__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-5);
  border: 1px solid var(--color-border);
  background: var(--color-bg-sunken);
  color: var(--color-fg);
  font-family: var(--font-deco);
  font-size: 13px;
  border-bottom: 1px solid var(--color-border);
  transition: background var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}
.pagination__link:hover, .pagination__link:focus-visible {
  background: var(--color-bg-soft);
  border-bottom-color: transparent;
  outline: 2px solid transparent;
}
.pagination__link:focus-visible {
  outline-color: var(--color-accent);
  outline-offset: 2px;
}
.pagination__link--next {
  margin-left: auto;
}
.page-header {
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}
.page-title {
  font-size: var(--text-3xl);
  margin: 0 0 var(--space-2);
}
.page-desc {
  margin: 0;
  font-style: italic;
  color: var(--color-fg-muted);
  font-size: var(--text-base);
  line-height: var(--leading-snug);
}
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  list-style: none;
  padding: 0;
  margin: 0;
}
.tag-cloud .tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  color: var(--color-fg-muted);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--duration-fast) var(--ease-out);
}
.tag-cloud .tag:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
  color: var(--color-accent);
}
.tag-count {
  font-size: var(--text-xs);
  color: var(--color-fg-subtle);
  font-variant-numeric: tabular-nums;
}
.back-link {
  font-size: var(--text-sm);
  color: var(--color-fg-muted);
  border-bottom: 1px dashed var(--color-border-strong);
}
.back-link:hover {
  color: var(--color-accent);
}
.archive-list .posts-item {
  grid-template-columns: 4rem 1fr auto;
}
.posts-item-tags {
  font-size: var(--text-xs);
  color: var(--color-fg-subtle);
}
.tag-mini {
  color: var(--color-fg-subtle);
  border-bottom: none;
  margin-left: var(--space-1);
}
.tag-mini:hover {
  color: var(--color-accent);
}
@media (max-width: 640px) {
  .archive-list .posts-item {
    grid-template-columns: 4rem 1fr;
  }
  .posts-item-tags {
    grid-column: 2;
    margin-top: var(--space-1);
  }
}
@layer components {
  .callout {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-3);
    padding: var(--space-4);
    margin: var(--space-6) 0;
    border-radius: var(--radius-3);
    border-left: 3px solid var(--color-border-strong);
    background: var(--color-bg-soft);
  }
  .callout-icon {
    color: var(--color-fg-muted);
    padding-top: 0.175rem;
  }
  .callout-icon svg {
    width: 20px;
    height: 20px;
    display: block;
  }
  .callout-note {
    border-left-color: var(--color-fg-muted);
  }
  .callout-tip {
    border-left-color: #3a7d3a;
    background: color-mix(in srgb, #3a7d3a 12%, #faf8f3);
    @supports (color: color-mix(in lab, red, red)) {
      background: color-mix(in srgb, #3a7d3a 12%, var(--color-bg-soft));
    }
  }
  .callout-tip .callout-icon {
    color: #3a7d3a;
  }
  .callout-warn {
    border-left-color: #b8860b;
    background: color-mix(in srgb, #b8860b 12%, #faf8f3);
    @supports (color: color-mix(in lab, red, red)) {
      background: color-mix(in srgb, #b8860b 12%, var(--color-bg-soft));
    }
  }
  .callout-warn .callout-icon {
    color: #b8860b;
  }
  .callout-danger {
    border-left-color: var(--color-accent);
    background: var(--color-accent-soft);
  }
  .callout-danger .callout-icon {
    color: var(--color-accent);
  }
  .external-mark {
    display: inline-block;
    margin-left: 0.15em;
    font-size: 0.85em;
    color: var(--color-fg-subtle);
    vertical-align: super;
    line-height: 0;
  }
  .wechat-qr {
    position: relative;
    display: inline-flex;
    align-items: baseline;
    cursor: pointer;
    outline: none;
  }
  .wechat-qr-name {
    border-bottom: 1px dashed var(--color-border-strong);
    transition: color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out);
  }
  .wechat-qr:hover .wechat-qr-name, .wechat-qr:focus-visible .wechat-qr-name {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
  }
  .wechat-qr-popover {
    position: absolute;
    left: 50%;
    bottom: calc(100% + var(--space-2));
    transform: translateX(-50%) translateY(4px) scale(0.96);
    transform-origin: bottom center;
    width: 256px;
    padding: var(--space-2);
    background: var(--color-bg-soft);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-3);
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out), visibility var(--duration-fast);
    z-index: 20;
    text-align: center;
  }
  .wechat-qr-popover img {
    display: block;
    width: 240px;
    height: 240px;
    max-width: none;
    margin: 0;
    border-radius: var(--radius-2);
    background: #fff;
  }
  .wechat-qr-caption {
    display: block;
    margin-top: var(--space-1);
    font-size: var(--text-xs);
    color: var(--color-fg-muted);
  }
  .wechat-qr-popover::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--color-border-strong);
  }
  .wechat-qr:hover .wechat-qr-popover, .wechat-qr:focus-within .wechat-qr-popover {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0) scale(1);
  }
}
.callout-title {
  font-weight: 600;
  margin: 0 0 var(--space-1);
}
.callout-body > p:first-child {
  margin-top: 0;
}
.callout-body > p:last-child {
  margin-bottom: 0;
}
.chroma {
  -webkit-text-size-adjust: none;
}
.chroma .err {
  color: #f6f8fa;
  background-color: #82071e;
}
.chroma .lnlinks {
  outline: none;
  text-decoration: none;
  color: inherit;
}
.chroma .lntd {
  vertical-align: top;
  padding: 0;
  margin: 0;
  border: 0;
}
.chroma .lntable {
  border-spacing: 0;
  padding: 0;
  margin: 0;
  border: 0;
}
.chroma .hl {
  background-color: #dedede;
}
.chroma .lnt {
  white-space: pre;
  -webkit-user-select: none;
  user-select: none;
  margin-right: 0.4em;
  padding: 0 0.4em 0 0.4em;
  color: #7f7f7f;
}
.chroma .ln {
  white-space: pre;
  -webkit-user-select: none;
  user-select: none;
  margin-right: 0.4em;
  padding: 0 0.4em 0 0.4em;
  color: #7f7f7f;
}
.chroma .line {
  display: flex;
}
.chroma .k {
  color: #cf222e;
}
.chroma .kc {
  color: #cf222e;
}
.chroma .kd {
  color: #cf222e;
}
.chroma .kn {
  color: #cf222e;
}
.chroma .kp {
  color: #cf222e;
}
.chroma .kr {
  color: #cf222e;
}
.chroma .kt {
  color: #cf222e;
}
.chroma .na {
  color: #1f2328;
}
.chroma .nc {
  color: #1f2328;
}
.chroma .no {
  color: #0550ae;
}
.chroma .nd {
  color: #0550ae;
}
.chroma .ni {
  color: #6639ba;
}
.chroma .nl {
  color: #900;
  font-weight: bold;
}
.chroma .nn {
  color: #24292e;
}
.chroma .nx {
  color: #1f2328;
}
.chroma .nt {
  color: #0550ae;
}
.chroma .nb {
  color: #6639ba;
}
.chroma .bp {
  color: #6a737d;
}
.chroma .nv {
  color: #953800;
}
.chroma .vc {
  color: #953800;
}
.chroma .vg {
  color: #953800;
}
.chroma .vi {
  color: #953800;
}
.chroma .vm {
  color: #953800;
}
.chroma .nf {
  color: #6639ba;
}
.chroma .fm {
  color: #6639ba;
}
.chroma .s {
  color: #0a3069;
}
.chroma .sa {
  color: #0a3069;
}
.chroma .sb {
  color: #0a3069;
}
.chroma .sc {
  color: #0a3069;
}
.chroma .dl {
  color: #0a3069;
}
.chroma .sd {
  color: #0a3069;
}
.chroma .s2 {
  color: #0a3069;
}
.chroma .se {
  color: #0a3069;
}
.chroma .sh {
  color: #0a3069;
}
.chroma .si {
  color: #0a3069;
}
.chroma .sx {
  color: #0a3069;
}
.chroma .sr {
  color: #0a3069;
}
.chroma .s1 {
  color: #0a3069;
}
.chroma .ss {
  color: #032f62;
}
.chroma .m {
  color: #0550ae;
}
.chroma .mb {
  color: #0550ae;
}
.chroma .mf {
  color: #0550ae;
}
.chroma .mh {
  color: #0550ae;
}
.chroma .mi {
  color: #0550ae;
}
.chroma .il {
  color: #0550ae;
}
.chroma .mo {
  color: #0550ae;
}
.chroma .o {
  color: #0550ae;
}
.chroma .ow {
  color: #0550ae;
}
.chroma .p {
  color: #1f2328;
}
.chroma .c {
  color: #57606a;
}
.chroma .ch {
  color: #57606a;
}
.chroma .cm {
  color: #57606a;
}
.chroma .c1 {
  color: #57606a;
}
.chroma .cs {
  color: #57606a;
}
.chroma .cp {
  color: #57606a;
}
.chroma .cpf {
  color: #57606a;
}
.chroma .gd {
  color: #82071e;
  background-color: #ffebe9;
}
.chroma .ge {
  color: #1f2328;
}
.chroma .gi {
  color: #116329;
  background-color: #dafbe1;
}
.chroma .go {
  color: #1f2328;
}
.chroma .gl {
  text-decoration: underline;
}
.chroma .w {
  color: #fff;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .chroma {
    color: #e6edf3;
    -webkit-text-size-adjust: none;
  }
  :root:not([data-theme="light"]) .chroma .err {
    color: #f85149;
  }
  :root:not([data-theme="light"]) .chroma .lnlinks {
    outline: none;
    text-decoration: none;
    color: inherit;
  }
  :root:not([data-theme="light"]) .chroma .lntd {
    vertical-align: top;
    padding: 0;
    margin: 0;
    border: 0;
  }
  :root:not([data-theme="light"]) .chroma .lntable {
    border-spacing: 0;
    padding: 0;
    margin: 0;
    border: 0;
  }
  :root:not([data-theme="light"]) .chroma .hl {
    background-color: #6e7681;
  }
  :root:not([data-theme="light"]) .chroma .lnt {
    white-space: pre;
    -webkit-user-select: none;
    user-select: none;
    margin-right: 0.4em;
    padding: 0 0.4em 0 0.4em;
    color: #737679;
  }
  :root:not([data-theme="light"]) .chroma .ln {
    white-space: pre;
    -webkit-user-select: none;
    user-select: none;
    margin-right: 0.4em;
    padding: 0 0.4em 0 0.4em;
    color: #6e7681;
  }
  :root:not([data-theme="light"]) .chroma .line {
    display: flex;
  }
  :root:not([data-theme="light"]) .chroma .k {
    color: #ff7b72;
  }
  :root:not([data-theme="light"]) .chroma .kc {
    color: #79c0ff;
  }
  :root:not([data-theme="light"]) .chroma .kd {
    color: #ff7b72;
  }
  :root:not([data-theme="light"]) .chroma .kn {
    color: #ff7b72;
  }
  :root:not([data-theme="light"]) .chroma .kp {
    color: #79c0ff;
  }
  :root:not([data-theme="light"]) .chroma .kr {
    color: #ff7b72;
  }
  :root:not([data-theme="light"]) .chroma .kt {
    color: #ff7b72;
  }
  :root:not([data-theme="light"]) .chroma .nc {
    color: #f0883e;
    font-weight: bold;
  }
  :root:not([data-theme="light"]) .chroma .no {
    color: #79c0ff;
    font-weight: bold;
  }
  :root:not([data-theme="light"]) .chroma .nd {
    color: #d2a8ff;
    font-weight: bold;
  }
  :root:not([data-theme="light"]) .chroma .ni {
    color: #ffa657;
  }
  :root:not([data-theme="light"]) .chroma .ne {
    color: #f0883e;
    font-weight: bold;
  }
  :root:not([data-theme="light"]) .chroma .nl {
    color: #79c0ff;
    font-weight: bold;
  }
  :root:not([data-theme="light"]) .chroma .nn {
    color: #ff7b72;
  }
  :root:not([data-theme="light"]) .chroma .py {
    color: #79c0ff;
  }
  :root:not([data-theme="light"]) .chroma .nt {
    color: #7ee787;
  }
  :root:not([data-theme="light"]) .chroma .nv {
    color: #79c0ff;
  }
  :root:not([data-theme="light"]) .chroma .vc {
    color: #79c0ff;
  }
  :root:not([data-theme="light"]) .chroma .vg {
    color: #79c0ff;
  }
  :root:not([data-theme="light"]) .chroma .vi {
    color: #79c0ff;
  }
  :root:not([data-theme="light"]) .chroma .vm {
    color: #79c0ff;
  }
  :root:not([data-theme="light"]) .chroma .nf {
    color: #d2a8ff;
    font-weight: bold;
  }
  :root:not([data-theme="light"]) .chroma .fm {
    color: #d2a8ff;
    font-weight: bold;
  }
  :root:not([data-theme="light"]) .chroma .l {
    color: #a5d6ff;
  }
  :root:not([data-theme="light"]) .chroma .ld {
    color: #79c0ff;
  }
  :root:not([data-theme="light"]) .chroma .s {
    color: #a5d6ff;
  }
  :root:not([data-theme="light"]) .chroma .sa {
    color: #79c0ff;
  }
  :root:not([data-theme="light"]) .chroma .sb {
    color: #a5d6ff;
  }
  :root:not([data-theme="light"]) .chroma .sc {
    color: #a5d6ff;
  }
  :root:not([data-theme="light"]) .chroma .dl {
    color: #79c0ff;
  }
  :root:not([data-theme="light"]) .chroma .sd {
    color: #a5d6ff;
  }
  :root:not([data-theme="light"]) .chroma .s2 {
    color: #a5d6ff;
  }
  :root:not([data-theme="light"]) .chroma .se {
    color: #79c0ff;
  }
  :root:not([data-theme="light"]) .chroma .sh {
    color: #79c0ff;
  }
  :root:not([data-theme="light"]) .chroma .si {
    color: #a5d6ff;
  }
  :root:not([data-theme="light"]) .chroma .sx {
    color: #a5d6ff;
  }
  :root:not([data-theme="light"]) .chroma .sr {
    color: #79c0ff;
  }
  :root:not([data-theme="light"]) .chroma .s1 {
    color: #a5d6ff;
  }
  :root:not([data-theme="light"]) .chroma .ss {
    color: #a5d6ff;
  }
  :root:not([data-theme="light"]) .chroma .m {
    color: #a5d6ff;
  }
  :root:not([data-theme="light"]) .chroma .mb {
    color: #a5d6ff;
  }
  :root:not([data-theme="light"]) .chroma .mf {
    color: #a5d6ff;
  }
  :root:not([data-theme="light"]) .chroma .mh {
    color: #a5d6ff;
  }
  :root:not([data-theme="light"]) .chroma .mi {
    color: #a5d6ff;
  }
  :root:not([data-theme="light"]) .chroma .il {
    color: #a5d6ff;
  }
  :root:not([data-theme="light"]) .chroma .mo {
    color: #a5d6ff;
  }
  :root:not([data-theme="light"]) .chroma .o {
    color: #ff7b72;
    font-weight: bold;
  }
  :root:not([data-theme="light"]) .chroma .ow {
    color: #ff7b72;
    font-weight: bold;
  }
  :root:not([data-theme="light"]) .chroma .c {
    color: #8b949e;
    font-style: italic;
  }
  :root:not([data-theme="light"]) .chroma .ch {
    color: #8b949e;
    font-style: italic;
  }
  :root:not([data-theme="light"]) .chroma .cm {
    color: #8b949e;
    font-style: italic;
  }
  :root:not([data-theme="light"]) .chroma .c1 {
    color: #8b949e;
    font-style: italic;
  }
  :root:not([data-theme="light"]) .chroma .cs {
    color: #8b949e;
    font-weight: bold;
    font-style: italic;
  }
  :root:not([data-theme="light"]) .chroma .cp {
    color: #8b949e;
    font-weight: bold;
    font-style: italic;
  }
  :root:not([data-theme="light"]) .chroma .cpf {
    color: #8b949e;
    font-weight: bold;
    font-style: italic;
  }
  :root:not([data-theme="light"]) .chroma .gd {
    color: #ffa198;
    background-color: #490202;
  }
  :root:not([data-theme="light"]) .chroma .ge {
    font-style: italic;
  }
  :root:not([data-theme="light"]) .chroma .gr {
    color: #ffa198;
  }
  :root:not([data-theme="light"]) .chroma .gh {
    color: #79c0ff;
    font-weight: bold;
  }
  :root:not([data-theme="light"]) .chroma .gi {
    color: #56d364;
    background-color: #0f5323;
  }
  :root:not([data-theme="light"]) .chroma .go {
    color: #8b949e;
  }
  :root:not([data-theme="light"]) .chroma .gp {
    color: #8b949e;
  }
  :root:not([data-theme="light"]) .chroma .gs {
    font-weight: bold;
  }
  :root:not([data-theme="light"]) .chroma .gu {
    color: #79c0ff;
  }
  :root:not([data-theme="light"]) .chroma .gt {
    color: #ff7b72;
  }
  :root:not([data-theme="light"]) .chroma .gl {
    text-decoration: underline;
  }
  :root:not([data-theme="light"]) .chroma .w {
    color: #6e7681;
  }
}
:root[data-theme="dark"] .chroma {
  color: #e6edf3;
  -webkit-text-size-adjust: none;
}
:root[data-theme="dark"] .chroma .err {
  color: #f85149;
}
:root[data-theme="dark"] .chroma .lnlinks {
  outline: none;
  text-decoration: none;
  color: inherit;
}
:root[data-theme="dark"] .chroma .lntd {
  vertical-align: top;
  padding: 0;
  margin: 0;
  border: 0;
}
:root[data-theme="dark"] .chroma .lntable {
  border-spacing: 0;
  padding: 0;
  margin: 0;
  border: 0;
}
:root[data-theme="dark"] .chroma .hl {
  background-color: #6e7681;
}
:root[data-theme="dark"] .chroma .lnt {
  white-space: pre;
  -webkit-user-select: none;
  user-select: none;
  margin-right: 0.4em;
  padding: 0 0.4em 0 0.4em;
  color: #737679;
}
:root[data-theme="dark"] .chroma .ln {
  white-space: pre;
  -webkit-user-select: none;
  user-select: none;
  margin-right: 0.4em;
  padding: 0 0.4em 0 0.4em;
  color: #6e7681;
}
:root[data-theme="dark"] .chroma .line {
  display: flex;
}
:root[data-theme="dark"] .chroma .k {
  color: #ff7b72;
}
:root[data-theme="dark"] .chroma .kc {
  color: #79c0ff;
}
:root[data-theme="dark"] .chroma .kd {
  color: #ff7b72;
}
:root[data-theme="dark"] .chroma .kn {
  color: #ff7b72;
}
:root[data-theme="dark"] .chroma .kp {
  color: #79c0ff;
}
:root[data-theme="dark"] .chroma .kr {
  color: #ff7b72;
}
:root[data-theme="dark"] .chroma .kt {
  color: #ff7b72;
}
:root[data-theme="dark"] .chroma .nc {
  color: #f0883e;
  font-weight: bold;
}
:root[data-theme="dark"] .chroma .no {
  color: #79c0ff;
  font-weight: bold;
}
:root[data-theme="dark"] .chroma .nd {
  color: #d2a8ff;
  font-weight: bold;
}
:root[data-theme="dark"] .chroma .ni {
  color: #ffa657;
}
:root[data-theme="dark"] .chroma .ne {
  color: #f0883e;
  font-weight: bold;
}
:root[data-theme="dark"] .chroma .nl {
  color: #79c0ff;
  font-weight: bold;
}
:root[data-theme="dark"] .chroma .nn {
  color: #ff7b72;
}
:root[data-theme="dark"] .chroma .py {
  color: #79c0ff;
}
:root[data-theme="dark"] .chroma .nt {
  color: #7ee787;
}
:root[data-theme="dark"] .chroma .nv {
  color: #79c0ff;
}
:root[data-theme="dark"] .chroma .vc {
  color: #79c0ff;
}
:root[data-theme="dark"] .chroma .vg {
  color: #79c0ff;
}
:root[data-theme="dark"] .chroma .vi {
  color: #79c0ff;
}
:root[data-theme="dark"] .chroma .vm {
  color: #79c0ff;
}
:root[data-theme="dark"] .chroma .nf {
  color: #d2a8ff;
  font-weight: bold;
}
:root[data-theme="dark"] .chroma .fm {
  color: #d2a8ff;
  font-weight: bold;
}
:root[data-theme="dark"] .chroma .l {
  color: #a5d6ff;
}
:root[data-theme="dark"] .chroma .ld {
  color: #79c0ff;
}
:root[data-theme="dark"] .chroma .s {
  color: #a5d6ff;
}
:root[data-theme="dark"] .chroma .sa {
  color: #79c0ff;
}
:root[data-theme="dark"] .chroma .sb {
  color: #a5d6ff;
}
:root[data-theme="dark"] .chroma .sc {
  color: #a5d6ff;
}
:root[data-theme="dark"] .chroma .dl {
  color: #79c0ff;
}
:root[data-theme="dark"] .chroma .sd {
  color: #a5d6ff;
}
:root[data-theme="dark"] .chroma .s2 {
  color: #a5d6ff;
}
:root[data-theme="dark"] .chroma .se {
  color: #79c0ff;
}
:root[data-theme="dark"] .chroma .sh {
  color: #79c0ff;
}
:root[data-theme="dark"] .chroma .si {
  color: #a5d6ff;
}
:root[data-theme="dark"] .chroma .sx {
  color: #a5d6ff;
}
:root[data-theme="dark"] .chroma .sr {
  color: #79c0ff;
}
:root[data-theme="dark"] .chroma .s1 {
  color: #a5d6ff;
}
:root[data-theme="dark"] .chroma .ss {
  color: #a5d6ff;
}
:root[data-theme="dark"] .chroma .m {
  color: #a5d6ff;
}
:root[data-theme="dark"] .chroma .mb {
  color: #a5d6ff;
}
:root[data-theme="dark"] .chroma .mf {
  color: #a5d6ff;
}
:root[data-theme="dark"] .chroma .mh {
  color: #a5d6ff;
}
:root[data-theme="dark"] .chroma .mi {
  color: #a5d6ff;
}
:root[data-theme="dark"] .chroma .il {
  color: #a5d6ff;
}
:root[data-theme="dark"] .chroma .mo {
  color: #a5d6ff;
}
:root[data-theme="dark"] .chroma .o {
  color: #ff7b72;
  font-weight: bold;
}
:root[data-theme="dark"] .chroma .ow {
  color: #ff7b72;
  font-weight: bold;
}
:root[data-theme="dark"] .chroma .c {
  color: #8b949e;
  font-style: italic;
}
:root[data-theme="dark"] .chroma .ch {
  color: #8b949e;
  font-style: italic;
}
:root[data-theme="dark"] .chroma .cm {
  color: #8b949e;
  font-style: italic;
}
:root[data-theme="dark"] .chroma .c1 {
  color: #8b949e;
  font-style: italic;
}
:root[data-theme="dark"] .chroma .cs {
  color: #8b949e;
  font-weight: bold;
  font-style: italic;
}
:root[data-theme="dark"] .chroma .cp {
  color: #8b949e;
  font-weight: bold;
  font-style: italic;
}
:root[data-theme="dark"] .chroma .cpf {
  color: #8b949e;
  font-weight: bold;
  font-style: italic;
}
:root[data-theme="dark"] .chroma .gd {
  color: #ffa198;
  background-color: #490202;
}
:root[data-theme="dark"] .chroma .ge {
  font-style: italic;
}
:root[data-theme="dark"] .chroma .gr {
  color: #ffa198;
}
:root[data-theme="dark"] .chroma .gh {
  color: #79c0ff;
  font-weight: bold;
}
:root[data-theme="dark"] .chroma .gi {
  color: #56d364;
  background-color: #0f5323;
}
:root[data-theme="dark"] .chroma .go {
  color: #8b949e;
}
:root[data-theme="dark"] .chroma .gp {
  color: #8b949e;
}
:root[data-theme="dark"] .chroma .gs {
  font-weight: bold;
}
:root[data-theme="dark"] .chroma .gu {
  color: #79c0ff;
}
:root[data-theme="dark"] .chroma .gt {
  color: #ff7b72;
}
:root[data-theme="dark"] .chroma .gl {
  text-decoration: underline;
}
:root[data-theme="dark"] .chroma .w {
  color: #6e7681;
}
.toc {
  position: fixed;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  z-index: 40;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-2);
  width: calc(var(--toc-bar-h2) + var(--space-6));
  padding: var(--space-3) var(--space-4);
  background: transparent;
  border-radius: var(--radius-3) 0 0 var(--radius-3);
  box-shadow: none;
  transition: width var(--duration-normal) var(--ease-out), background-color var(--duration-fast) var(--ease-out), box-shadow var(--duration-normal) var(--ease-out), padding var(--duration-normal) var(--ease-out);
}
.toc-link {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  width: 100%;
  min-height: 16px;
  text-decoration: none;
  color: var(--color-fg-muted);
  font-family: var(--font-system);
  font-size: var(--text-sm);
  line-height: var(--leading-snug);
  outline: none;
}
.toc-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-1);
}
.toc-bar {
  flex: 0 0 auto;
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--color-fg-muted);
  opacity: 0.45;
  transition: width var(--duration-fast) var(--ease-out), background-color var(--duration-fast) var(--ease-out), opacity var(--duration-fast) var(--ease-out);
}
.toc-link[data-depth="2"] .toc-bar {
  width: var(--toc-bar-h2);
}
.toc-link[data-depth="3"] .toc-bar {
  width: var(--toc-bar-h3);
}
.toc-link[data-depth="4"] .toc-bar {
  width: var(--toc-bar-h4);
}
.toc-label {
  flex: 1 1 auto;
  min-width: 0;
  opacity: 0;
  transform: translateX(8px);
  pointer-events: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: left;
  transition: opacity var(--duration-normal) var(--ease-out), transform var(--duration-normal) var(--ease-out), color var(--duration-fast) var(--ease-out);
}
.toc-link[data-depth="3"] .toc-label {
  padding-left: 14px;
}
.toc-link[data-depth="4"] .toc-label {
  padding-left: 28px;
}
.toc:hover, .toc:focus-within {
  width: var(--toc-panel-w);
  background: var(--color-bg-soft);
  box-shadow: var(--shadow-md);
  padding: var(--space-4) var(--space-5);
}
.toc:hover .toc-link, .toc:focus-within .toc-link {
  justify-content: flex-start;
}
.toc:hover .toc-bar, .toc:focus-within .toc-bar {
  opacity: 0.25;
}
.toc:hover .toc-label, .toc:focus-within .toc-label {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}
.toc:hover .toc-link:hover .toc-label, .toc:focus-within .toc-link:hover .toc-label, .toc:focus-within .toc-link:focus-visible .toc-label {
  color: var(--color-fg);
}
.toc-link.is-active .toc-bar {
  background: var(--color-accent);
  opacity: 1;
  width: calc(var(--toc-bar-h2) + 2px);
}
.toc-link.is-active[data-depth="3"] .toc-bar {
  width: calc(var(--toc-bar-h3) + 2px);
}
.toc-link.is-active[data-depth="4"] .toc-bar {
  width: calc(var(--toc-bar-h4) + 2px);
}
.toc-link.is-active .toc-label {
  color: var(--color-fg);
  font-weight: 500;
}
body.immersive-page .toc {
  display: none;
}
@media (prefers-reduced-motion: reduce) {
  .toc, .toc-bar, .toc-label {
    transition: none;
  }
}
.lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgb(0 0 0 / 0.85);
  padding: var(--space-8);
}
.lightbox-overlay.is-open {
  display: flex;
  flex-direction: column;
}
.lightbox-img {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-3);
}
.lightbox-caption {
  color: rgb(255 255 255 / 0.7);
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  text-align: center;
  max-width: 90vw;
}
.lightbox-overlay button {
  position: absolute;
  background: transparent;
  border: 1px solid rgb(255 255 255 / 0.3);
  color: white;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-pill);
  font-size: 1.5rem;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox-overlay button:hover {
  background: rgb(255 255 255 / 0.15);
}
.lightbox-overlay button:disabled {
  opacity: 0.3;
  cursor: default;
}
.lightbox-close {
  top: var(--space-6);
  right: var(--space-6);
}
.lightbox-prev {
  top: 50%;
  left: var(--space-6);
  transform: translateY(-50%);
}
.lightbox-next {
  top: 50%;
  right: var(--space-6);
  transform: translateY(-50%);
}
.search-modal[hidden] {
  display: none;
}
.search-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgb(0 0 0 / 0.4);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: clamp(var(--space-8), 12vh, var(--space-16));
  padding-left: var(--space-4);
  padding-right: var(--space-4);
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-out);
}
.search-modal.is-open {
  opacity: 1;
}
.search-modal__panel {
  width: 100%;
  max-width: 640px;
  max-height: min(70vh, 560px);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-5);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.search-modal__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
}
.search-modal__icon {
  display: inline-flex;
  color: var(--color-fg-subtle);
}
.search-modal__icon svg {
  width: 18px;
  height: 18px;
}
.search-input {
  flex: 1 1 auto;
  border: none;
  outline: none;
  background: transparent;
  color: var(--color-fg);
  font-family: var(--font-serif);
  font-size: var(--text-base);
  line-height: var(--leading-snug);
  padding: var(--space-2) 0;
}
.search-input::placeholder {
  color: var(--color-fg-subtle);
}
.search-input::-webkit-search-cancel-button {
  -webkit-appearance: none;
  appearance: none;
}
.search-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--color-fg-muted);
  cursor: pointer;
  padding: var(--space-1);
  border-radius: var(--radius-2);
  transition: color var(--duration-fast) var(--ease-out), background-color var(--duration-fast) var(--ease-out);
}
.search-close:hover, .search-close:focus-visible {
  color: var(--color-accent);
  background: var(--color-bg-soft);
  outline: none;
}
.search-close svg {
  width: 16px;
  height: 16px;
}
.search-results {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: var(--space-2);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.search-results:empty {
  padding: 0;
}
.search-result {
  display: block;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-3);
  text-decoration: none;
  color: var(--color-fg);
  border-bottom: none;
  transition: background-color var(--duration-fast) var(--ease-out);
}
.search-result:hover, .search-result.is-active {
  background: var(--color-bg-soft);
  color: var(--color-fg);
}
.search-result__title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: var(--text-base);
  line-height: var(--leading-snug);
  margin-bottom: var(--space-1);
}
.search-result__excerpt {
  font-size: var(--text-sm);
  color: var(--color-fg-muted);
  line-height: var(--leading-snug);
}
.search-result__excerpt mark {
  background: var(--color-accent-soft);
  color: var(--color-accent);
  padding: 0 0.15em;
  border-radius: var(--radius-1);
}
.search-recent {
  padding: var(--space-2) var(--space-2) var(--space-3);
}
.search-recent__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-fg-subtle);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}
.search-recent__clear {
  background: transparent;
  border: none;
  color: var(--color-fg-subtle);
  cursor: pointer;
  padding: 0;
  font: inherit;
  text-transform: inherit;
  letter-spacing: inherit;
  transition: color var(--duration-fast) var(--ease-out);
}
.search-recent__clear:hover, .search-recent__clear:focus-visible {
  color: var(--color-accent);
  outline: none;
}
.search-recent__list {
  display: flex;
  flex-direction: column;
}
.search-recent__item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-4);
  background: transparent;
  border: none;
  color: var(--color-fg-muted);
  cursor: pointer;
  text-align: left;
  font: inherit;
  border-radius: var(--radius-3);
  transition: background-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}
.search-recent__item:hover, .search-recent__item:focus-visible {
  background: var(--color-bg-soft);
  color: var(--color-fg);
  outline: none;
}
.search-recent__icon {
  color: var(--color-fg-subtle);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}
.search-recent__text {
  font-family: var(--font-serif);
  font-size: var(--text-sm);
}
.search-empty {
  padding: var(--space-8) var(--space-4);
  text-align: center;
  color: var(--color-fg-subtle);
}
.search-empty__title {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  color: var(--color-fg-muted);
  margin-bottom: var(--space-2);
}
.search-empty__hint {
  font-size: var(--text-sm);
  line-height: var(--leading-snug);
}
.search-modal__footer {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-2) var(--space-4);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-fg-subtle);
  background: var(--color-bg-soft);
}
.search-kbd {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}
.search-kbd kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.2em;
  padding: 0 0.35em;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-1);
  background: var(--color-bg);
  color: var(--color-fg-muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  line-height: 1.4;
}
@media (max-width: 640px) {
  .search-modal {
    padding: 0;
  }
  .search-modal__panel {
    max-width: 100%;
    max-height: 100vh;
    height: 100dvh;
    border-radius: 0;
    border: none;
  }
  .search-modal__footer {
    flex-wrap: wrap;
    gap: var(--space-3);
  }
}
.markmap-container {
  color: var(--color-fg);
}
.markmap-foreign, .markmap-foreign div, .markmap-foreign p, .markmap-foreign span, .markmap-foreign li, .markmap-foreign strong, .markmap-foreign em {
  color: var(--color-fg);
}
.markmap-foreign a {
  color: var(--color-link);
  text-decoration-color: var(--color-border-strong);
}
.markmap-foreign a:hover {
  color: var(--color-accent);
}
.markmap-foreign code, .markmap-foreign pre {
  background: var(--color-bg-sunken);
  color: var(--color-fg);
}
.markmap-foreign mark {
  background: var(--color-accent-soft);
  color: var(--color-fg);
}
.markmap-foreign del {
  color: var(--color-fg-subtle);
}
.markmap-foreign table, .markmap-foreign th, .markmap-foreign td {
  border-color: var(--color-border);
}
.mm-toolbar {
  color: var(--color-fg);
  background: var(--color-bg-soft);
  border-color: var(--color-border);
}
.mm-toolbar-brand, .mm-toolbar-item {
  color: var(--color-fg);
}
@media print {
  .sidebar, .sidebar-actions, .skip-link, .prev-next, .footer, .lightbox-overlay {
    display: none !important;
  }
  .shell {
    display: block;
    max-width: none;
    padding: 0;
    margin: 0;
  }
  .content {
    max-width: none;
    padding: 0;
    margin: 0;
  }
  body {
    background: white;
    color: black;
    font-family: "Noto Serif SC", Georgia, serif;
    font-size: 11pt;
    line-height: 1.5;
  }
  a {
    color: black;
    text-decoration: none;
    border-bottom: 1px solid black !important;
  }
  a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #555;
    border-bottom: none;
  }
  pre, code {
    background: #f5f5f5 !important;
    border: 1px solid #ddd;
    color: black;
  }
  pre {
    page-break-inside: avoid;
    white-space: pre-wrap;
    word-wrap: break-word;
  }
  figure img, .shortcode-figure img {
    max-width: 100%;
    page-break-inside: avoid;
  }
  h1, h2, h3 {
    page-break-after: avoid;
  }
  blockquote, .callout, .pullquote {
    page-break-inside: avoid;
  }
}
.page-404 {
  text-align: center;
  padding: var(--space-16) 0;
}
.page-404-num {
  font-family: var(--font-deco);
  font-size: 8rem;
  line-height: 1;
  color: var(--color-accent);
  opacity: 0.4;
  margin-bottom: var(--space-6);
}
.page-404 h1 {
  margin-bottom: var(--space-4);
}
.page-404 ul {
  display: inline-flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-6);
  list-style: none;
  padding: 0;
}
@property --tw-rotate-x {
  syntax: "*";
  inherits: false;
}
@property --tw-rotate-y {
  syntax: "*";
  inherits: false;
}
@property --tw-rotate-z {
  syntax: "*";
  inherits: false;
}
@property --tw-skew-x {
  syntax: "*";
  inherits: false;
}
@property --tw-skew-y {
  syntax: "*";
  inherits: false;
}
@property --tw-shadow {
  syntax: "*";
  inherits: false;
  initial-value: 0 0 #0000;
}
@property --tw-shadow-color {
  syntax: "*";
  inherits: false;
}
@property --tw-shadow-alpha {
  syntax: "<percentage>";
  inherits: false;
  initial-value: 100%;
}
@property --tw-inset-shadow {
  syntax: "*";
  inherits: false;
  initial-value: 0 0 #0000;
}
@property --tw-inset-shadow-color {
  syntax: "*";
  inherits: false;
}
@property --tw-inset-shadow-alpha {
  syntax: "<percentage>";
  inherits: false;
  initial-value: 100%;
}
@property --tw-ring-color {
  syntax: "*";
  inherits: false;
}
@property --tw-ring-shadow {
  syntax: "*";
  inherits: false;
  initial-value: 0 0 #0000;
}
@property --tw-inset-ring-color {
  syntax: "*";
  inherits: false;
}
@property --tw-inset-ring-shadow {
  syntax: "*";
  inherits: false;
  initial-value: 0 0 #0000;
}
@property --tw-ring-inset {
  syntax: "*";
  inherits: false;
}
@property --tw-ring-offset-width {
  syntax: "<length>";
  inherits: false;
  initial-value: 0px;
}
@property --tw-ring-offset-color {
  syntax: "*";
  inherits: false;
  initial-value: #fff;
}
@property --tw-ring-offset-shadow {
  syntax: "*";
  inherits: false;
  initial-value: 0 0 #0000;
}
@layer properties {
  @supports ((-webkit-hyphens: none) and (not (margin-trim: inline))) or ((-moz-orient: inline) and (not (color:rgb(from red r g b)))) {
    *, ::before, ::after, ::backdrop {
      --tw-rotate-x: initial;
      --tw-rotate-y: initial;
      --tw-rotate-z: initial;
      --tw-skew-x: initial;
      --tw-skew-y: initial;
      --tw-shadow: 0 0 #0000;
      --tw-shadow-color: initial;
      --tw-shadow-alpha: 100%;
      --tw-inset-shadow: 0 0 #0000;
      --tw-inset-shadow-color: initial;
      --tw-inset-shadow-alpha: 100%;
      --tw-ring-color: initial;
      --tw-ring-shadow: 0 0 #0000;
      --tw-inset-ring-color: initial;
      --tw-inset-ring-shadow: 0 0 #0000;
      --tw-ring-inset: initial;
      --tw-ring-offset-width: 0px;
      --tw-ring-offset-color: #fff;
      --tw-ring-offset-shadow: 0 0 #0000;
    }
  }
}