/* Shared Material surfaces for all public pages.
   Layout reference: jia.je (Zensical / Material for MkDocs). */
:root {
  --md-primary-fg-color: #4051b5;
  --md-primary-fg-color--dark: #344294;
  --md-accent-fg-color: #526cfe;
  --md-default-bg-color: #fff;
  --md-default-fg-color: #28303e;
  --md-default-fg-color--light: #68717f;
  --md-default-fg-color--lighter: #9298a4;
  --md-code-bg-color: #f5f6fa;
  --md-border-color: #e7e9ef;
  --md-hover-color: #f2f4fc;
  --md-shadow: 0 4px 16px #17204c14;
  --writing-header-height: 64px;
  --writing-scroll-offset: calc(var(--writing-header-height) + 24px);
  color-scheme: light;
  scroll-padding-top: var(--writing-scroll-offset);
}
:root[data-theme="dark"] {
  --md-primary-fg-color: #a5b4ff;
  --md-primary-fg-color--dark: #c2ccff;
  --md-accent-fg-color: #b0bfff;
  --md-default-bg-color: #1c1f2a;
  --md-default-fg-color: #e1e4ed;
  --md-default-fg-color--light: #a8aebe;
  --md-default-fg-color--lighter: #858da0;
  --md-code-bg-color: #252938;
  --md-border-color: #343a4b;
  --md-hover-color: #292f44;
  --md-shadow: 0 4px 16px #0003;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; }
.writing-site {
  background: var(--md-default-bg-color); color: var(--md-default-fg-color);
  font-family: var(--site-font-family);
  font-size: 16px; line-height: 1.7; padding-top: var(--writing-header-height);
  -webkit-font-smoothing: antialiased; min-height: 100dvh; display: flex; flex-direction: column;
}
a { color: var(--md-primary-fg-color); text-decoration: none; text-underline-offset: .2em; }
a:hover { color: var(--md-accent-fg-color); }
button, input { font: inherit; }
button, summary { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
button, input, a, summary { touch-action: manipulation; }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible { outline: 3px solid var(--md-accent-fg-color); outline-offset: 4px; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: -70px; left: 20px; padding: 12px 20px; background: var(--md-default-bg-color); z-index: 100; box-shadow: var(--md-shadow); border-radius: 4px; }
.skip-link:focus { top: 12px; }
.writing-header { position: fixed; top: 0; left: 0; right: 0; z-index: 30; background: var(--md-default-bg-color); color: var(--md-default-fg-color); border-bottom: 1px solid var(--md-border-color); }
.header-inner { max-width: 1440px; height: calc(var(--writing-header-height) - 1px); padding: 0 38px; margin: auto; display: flex; align-items: center; gap: 16px; }
.writing-brand { display: flex; align-items: center; gap: 10px; color: var(--md-default-fg-color); font-size: 16px; font-weight: 600; letter-spacing: -.3px; flex: 0 1 auto; min-width: 0; max-width: 320px; }
.writing-brand:hover { color: var(--md-primary-fg-color); }
.writing-brand > i { font-size: 18px; color: var(--md-primary-fg-color); }
.writing-brand > span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.brand-divider { margin: 0 10px; color: var(--md-default-fg-color--lighter); font-weight: 400; }
.brand-section { font-weight: 400; font-size: 16px; color: var(--md-default-fg-color--light); }
.icon-button { color: inherit; border: 0; background: transparent; min-width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; flex-shrink: 0; font-size: 17px; }
.icon-button:hover { color: inherit; background: var(--md-hover-color); }
.writing-header .icon-button { min-width: 32px; height: 32px; font-size: 16px; color: var(--md-default-fg-color--light); }
.writing-header .icon-button:hover { color: var(--md-primary-fg-color); }
.search-trigger { color: var(--md-default-fg-color--light); background: var(--md-code-bg-color); border: 1px solid var(--md-border-color); border-radius: 5px; height: 34px; padding: 0 10px; display: flex; flex-shrink: 0; gap: 8px; align-items: center; width: 208px; font-size: 14px; text-align: left; transition: background .15s; }
.search-trigger:hover { background: var(--md-hover-color); color: var(--md-primary-fg-color); }
.search-trigger span { flex: 1; }
kbd { font-family: inherit; font-size: 13px; padding: 0 5px; border-radius: 3px; border: 1px solid currentColor; opacity: .6; line-height: 20px; }
.writing-tabs { flex: 1; min-width: 0; margin-left: 14px; }
.tabs-inner { display: flex; gap: 24px; height: calc(var(--writing-header-height) - 1px); overflow-x: auto; scrollbar-width: none; }
.tabs-inner a { color: var(--md-default-fg-color--light); font-size: 14px; display: flex; align-items: center; white-space: nowrap; position: relative; }
.tabs-inner a:hover, .tabs-inner a[aria-current] { color: var(--md-primary-fg-color); }
.tabs-inner a[aria-current] { font-weight: 600; }
.tabs-inner a[aria-current]::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 2px; background: var(--md-primary-fg-color); border-radius: 2px 2px 0 0; }
.reading-progress { height: 2px; width: 0; background: var(--md-primary-fg-color); position: absolute; bottom: 0; transition: width .08s linear; }
.writing-layout { display: grid; grid-template-columns: 224px minmax(0,1fr) 240px; gap: 48px; width: 100%; max-width: 1440px; margin: 0 auto; padding: 32px 38px 80px; min-height: calc(100vh - var(--writing-header-height) - 100px); flex: 1; }
.writing-sidebar, .writing-toc { position: sticky; top: var(--writing-scroll-offset); align-self: start; max-height: calc(100vh - var(--writing-scroll-offset) - 22px); overflow-y: auto; scrollbar-width: thin; scrollbar-color: var(--md-border-color) transparent; font-size: 14px; }
.writing-sidebar { padding-bottom: 10px; padding-right: 6px; }
.sidebar-title { color: var(--md-default-fg-color); font-weight: 700; margin: 0 0 12px 12px; font-size: 16px; }
.sidebar-link { padding: 8px 12px; display: flex; align-items: baseline; justify-content: space-between; gap: 8px; color: var(--md-default-fg-color); border-radius: 5px; line-height: 1.5; margin-bottom: 2px; overflow-wrap: anywhere; }
.sidebar-link:hover { background: var(--md-hover-color); }
.sidebar-link.active { background: var(--md-hover-color); color: var(--md-primary-fg-color); font-weight: 600; }
.nav-count { color: var(--md-default-fg-color--lighter); font-size: 13px; font-weight: 400; flex-shrink: 0; }
.nav-group { margin: 16px 0 6px; }
.nav-group > summary { list-style: none; cursor: pointer; position: relative; padding: 6px 20px 6px 12px; color: var(--md-default-fg-color); font-weight: 600; }
.nav-group > summary::-webkit-details-marker { display: none; }
.nav-group > summary::after { content: ''; width: 6px; height: 6px; border-right: 1.5px solid var(--md-default-fg-color--light); border-bottom: 1.5px solid var(--md-default-fg-color--light); position: absolute; right: 5px; top: 13px; transform: rotate(-45deg); transition: transform .15s; }
.nav-group[open] > summary::after { transform: rotate(45deg); }
.nav-children { border-left: 1px solid var(--md-border-color); margin: 6px 0 0 12px; padding-left: 8px; }
.kb-nav-group { margin-top: 8px; }
.kb-nav-group > summary { display: flex; gap: 8px; justify-content: space-between; }
.kb-nav-group > summary a { color: var(--md-default-fg-color); flex: 1; }
.kb-nav-group > summary a.active, .kb-nav-group > summary a:hover { color: var(--md-primary-fg-color); }
.kb-entry-link { font-size: 14px; }
.sidebar-tags { padding: 8px 4px 4px 12px; display: flex; flex-wrap: wrap; gap: 6px; }
.tag { border: 1px solid var(--md-border-color); background: var(--md-code-bg-color); border-radius: 4px; padding: 2px 8px; font-size: 14px; color: var(--md-default-fg-color--light); display: inline-flex; gap: 6px; align-items: center; }
.tag:hover, .tag.active { border-color: var(--md-primary-fg-color); color: var(--md-primary-fg-color); }
.tag span { opacity: .65; font-size: 12px; }
.subscribe-link { margin-top: 22px; color: var(--md-default-fg-color--light); }
.subscribe-link i { margin-right: 5px; font-size: 14px; }
.sidebar-bottom { margin: 32px 12px 0; padding-top: 20px; border-top: 1px solid var(--md-border-color); }
.sidebar-bottom a { color: var(--md-default-fg-color--light); font-size: 14px; }
.sidebar-bottom i { margin-right: 5px; }
.nav-empty, .sidebar-note { color: var(--md-default-fg-color--lighter); font-size: 14px; padding: 4px 12px; display: block; }
.writing-main { min-width: 0; outline: none; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 10px; align-items: baseline; font-size: 14px; color: var(--md-default-fg-color--light); margin-bottom: 26px; line-height: 1.6; }
.breadcrumb a { color: var(--md-default-fg-color--light); }
.breadcrumb a:hover { color: var(--md-primary-fg-color); }
.breadcrumb > span:not(:last-child) { color: var(--md-default-fg-color--lighter); }
.collection-header { margin-bottom: 8px; padding-bottom: 24px; border-bottom: 1px solid var(--md-border-color); }
.eyebrow { color: var(--md-default-fg-color--lighter); font-size: 12px; letter-spacing: 2.5px; font-weight: 600; margin: 0 0 6px; }
h1 { font-size: 32px; line-height: 1.4; font-weight: 400; letter-spacing: -.5px; margin: 0 0 16px; overflow-wrap: anywhere; }
.collection-description { color: var(--md-default-fg-color--light); font-size: 16px; margin: 10px 0 22px; }
.collection-meta { color: var(--md-default-fg-color--lighter); display: flex; flex-wrap: wrap; gap: 18px; font-size: 14px; }
.collection-meta a { margin-left: auto; }
.blog-preview { padding: 30px 0 32px; border-bottom: 1px solid var(--md-border-color); scroll-margin-top: 8px; }
.article-meta { display: flex; flex-wrap: wrap; align-items: baseline; gap: 5px 14px; color: var(--md-default-fg-color--light); font-size: 13px; }
.article-meta > * + *::before { content: '·'; color: var(--md-default-fg-color--lighter); margin-right: 14px; }
.blog-preview h2 { font-size: 25px; line-height: 1.5; letter-spacing: -.35px; font-weight: 500; margin: 13px 0; overflow-wrap: anywhere; }
.blog-preview h2 a { color: var(--md-default-fg-color); }
.blog-preview h2 a:hover { color: var(--md-primary-fg-color); }
.preview-summary { font-size: 16px; line-height: 1.9; color: var(--md-default-fg-color--light); margin: 0 0 21px; overflow-wrap: anywhere; }
.preview-footer { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; }
.read-more { font-size: 14px; font-weight: 500; display: inline-flex; align-items: center; gap: 10px; }
.read-more i { font-size: 12px; transition: transform .15s; }
.read-more:hover i { transform: translateX(4px); }
.preview-tags { display: flex; flex-wrap: wrap; gap: 10px; font-size: 12px; }
.preview-tags a { color: var(--md-default-fg-color--lighter); }
.toc-title { font-size: 14px; font-weight: 600; margin: 0 0 12px; }
.toc-nav { border-left: 1px solid var(--md-border-color); padding-left: 18px; }
.toc-nav ul { margin: 0; padding: 0; list-style: none; }
.toc-nav ul ul { padding-left: 12px; }
.toc-nav a { font-size: 14px; line-height: 1.6; display: block; color: var(--md-default-fg-color--light); padding: 5px 0; overflow-wrap: anywhere; }
.toc-nav a.active, .toc-nav a:hover { color: var(--md-primary-fg-color); }
.toc-nav a.active { font-weight: 600; }
.article-metadata { border-left: 1px solid var(--md-border-color); padding-left: 18px; margin-bottom: 28px; font-size: 14px; }
.metadata-title { font-size: 14px; font-weight: 600; margin: 0 0 12px; }
.article-metadata dl { margin: 0; }
.article-metadata dl > div { display: grid; grid-template-columns: 64px minmax(0,1fr); gap: 10px; margin: 10px 0; align-items: baseline; }
.article-metadata dt { color: var(--md-default-fg-color--light); font-weight: 400; }
.article-metadata dd { margin: 0; overflow-wrap: anywhere; }
.article-metadata time { font-variant-numeric: tabular-nums; }
.article-metadata dl > .metadata-tags { display: block; }
.metadata-tags dt { margin-bottom: 8px; }
.article-metadata .article-tags { margin: 0; }
.article-metadata .article-tags .tag { font-size: 13px; }
.article-header { position: relative; margin-bottom: 36px; }
.article-header h1 { padding-right: 32px; margin: 0 0 20px; }
.copy-article { position: absolute; right: -7px; top: 0; font-size: 16px; color: var(--md-default-fg-color--lighter); }
.copy-article:hover { background: var(--md-hover-color); color: var(--md-primary-fg-color); }
.article-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 18px; }
.article-tags .tag { font-size: 12px; }
/* Material typeset scale: 16px body, 32px / 25px / 20px headings. */
.document-content { font-size: 16px; line-height: 1.75; overflow-wrap: anywhere; }
.document-content > :first-child { margin-top: 0; }
.document-content h1 { font-size: 32px; margin: 2em 0 1em; }
.document-content h2 { font-size: 25px; font-weight: 400; line-height: 1.5; margin: 1.8em 0 .7em; letter-spacing: -.3px; }
.document-content h3 { font-size: 20px; font-weight: 500; margin: 1.8em 0 .7em; }
.document-content h4, .document-content h5, .document-content h6 { font-size: 16px; margin: 1.8em 0 .7em; }
.document-content h1, .document-content h2, .document-content h3, .document-content h4 { scroll-margin-top: 8px; }
.document-content .headerlink { opacity: 0; padding-left: 8px; font-weight: 400; font-size: .8em; }
.document-content :is(h1,h2,h3,h4,h5,h6):hover .headerlink, .document-content .headerlink:focus { opacity: .7; }
.document-content p { margin: 1em 0; }
.document-content li { margin: .3em 0; }
.document-content ul, .document-content ol { padding-left: 1.6em; }
.document-content a:hover { text-decoration: underline; }
.document-content img, .document-content video { max-width: 100%; height: auto; border-radius: 5px; }
.document-content iframe { max-width: 100%; }
.document-content blockquote { border-left: 3px solid var(--md-border-color); color: var(--md-default-fg-color--light); padding: 0 16px; margin: 24px 0; }
.document-content hr { border: 0; border-top: 1px solid var(--md-border-color); margin: 32px 0; }
.document-content code { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: .84em; }
.document-content :not(pre) > code { padding: 3px 5px; border-radius: 3px; background: var(--md-code-bg-color); color: var(--md-default-fg-color); box-decoration-break: clone; }
.document-content .codehilite, .document-content pre { position: relative; background: var(--md-code-bg-color); border-radius: 5px; margin: 24px 0; }
.document-content .codehilite pre { margin: 0; }
.document-content pre { overflow-x: auto; padding: 18px 46px 18px 18px; line-height: 1.7; font-size: 13.6px; }
.document-content pre code { font-size: inherit; overflow-wrap: normal; }
.code-copy { position: absolute; top: 7px; right: 7px; width: 30px; min-width: 30px; height: 30px; font-size: 14px; color: var(--md-default-fg-color--lighter); z-index: 1; }
.code-copy:hover { color: var(--md-primary-fg-color); background: var(--md-hover-color); }
.table-scroll { overflow-x: auto; margin: 24px 0; border: 1px solid var(--md-border-color); border-radius: 4px; }
.document-content table { border-collapse: collapse; font-size: 14px; min-width: 100%; text-align: left; }
.document-content td, .document-content th { border-bottom: 1px solid var(--md-border-color); padding: 10px 16px; }
.document-content th { background: var(--md-code-bg-color); font-weight: 600; }
.document-content tr:last-child td { border-bottom: none; }
.document-content tbody tr:hover { background: var(--md-hover-color); }
.document-content .admonition { margin: 24px 0; padding: 8px 16px; border: 1px solid #448aff55; border-left: 4px solid #448aff; border-radius: 5px; font-size: 14px; box-shadow: var(--md-shadow); }
.document-content .admonition-title { margin: -8px -16px 10px; padding: 8px 16px; background: #448aff12; font-weight: 600; }
.document-content .admonition.warning { border-color: #ff910055; border-left-color: #ff9100; }
.document-content .warning .admonition-title { background: #ff910012; }
.document-content .admonition.tip { border-color: #00bfa555; border-left-color: #00bfa5; }
.document-content .tip .admonition-title { background: #00bfa512; }
.document-content details { border: 1px solid var(--md-border-color); border-radius: 5px; padding: 12px 16px; margin: 20px 0; }
.document-content details summary { cursor: pointer; font-weight: 600; }
.document-content .footnote { font-size: 14px; color: var(--md-default-fg-color--light); }
.article-end { border-top: 1px solid var(--md-border-color); margin-top: 48px; padding-top: 20px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: 13px; color: var(--md-default-fg-color--lighter); }
.article-pagination { display: grid; grid-template-columns: 1fr 1fr; margin-top: 36px; gap: 24px; }
.article-pagination a { display: flex; flex-direction: column; gap: 8px; font-size: 16px; }
.article-pagination small { font-size: 13px; color: var(--md-default-fg-color--light); }
.article-pagination > div:last-child { text-align: right; }
.knowledge-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; margin: 30px 0 44px; }
.knowledge-category { position: relative; padding: 20px; border: 1px solid var(--md-border-color); border-radius: 7px; color: var(--md-default-fg-color); transition: box-shadow .15s, border-color .15s; }
.knowledge-category:hover { border-color: var(--md-primary-fg-color); box-shadow: var(--md-shadow); color: var(--md-default-fg-color); }
.category-top { display: flex; justify-content: space-between; align-items: center; color: var(--md-primary-fg-color); }
.category-top i { font-size: 18px; }
.category-top span { font-size: 12px; color: var(--md-default-fg-color--lighter); }
.knowledge-category h2 { font-size: 20px; font-weight: 500; margin: 16px 0 8px; padding-right: 15px; overflow-wrap: anywhere; }
.knowledge-category p { font-size: 14px; color: var(--md-default-fg-color--light); margin: 0; padding-right: 10px; }
.category-arrow { position: absolute; right: 20px; bottom: 20px; color: var(--md-default-fg-color--lighter); font-size: 16px; }
.subcategory-links { display: flex; gap: 8px; flex-wrap: wrap; margin: 24px 0; }
.section-heading { display: flex; gap: 10px; justify-content: space-between; align-items: baseline; margin: 30px 0 4px; }
.section-heading h2 { font-size: 18px; font-weight: 500; margin: 0; }
.section-heading > span { font-size: 12px; color: var(--md-default-fg-color--lighter); }
.knowledge-preview { display: flex; gap: 16px; align-items: start; border-bottom: 1px solid var(--md-border-color); padding: 24px 0; }
.knowledge-preview > div { min-width: 0; flex: 1; }
.note-icon { font-size: 17px; color: var(--md-default-fg-color--lighter); margin-top: 4px; }
.knowledge-preview h3 { font-size: 20px; font-weight: 500; margin: 0 0 8px; overflow-wrap: anywhere; }
.knowledge-preview h3 a { color: var(--md-default-fg-color); }
.knowledge-preview h3 a:hover { color: var(--md-primary-fg-color); }
.knowledge-preview p { font-size: 16px; line-height: 1.8; color: var(--md-default-fg-color--light); margin: 0 0 12px; overflow-wrap: anywhere; }
.knowledge-preview .article-meta { font-size: 12px; }
.note-arrow { font-size: 18px; color: var(--md-default-fg-color--lighter); padding: 0 0 10px 5px; }
.writing-empty { padding: 70px 16px; text-align: center; color: var(--md-default-fg-color--lighter); }
.writing-empty > i { font-size: 30px; margin-bottom: 20px; opacity: .6; }
.writing-empty h2 { font-size: 18px; font-weight: 400; color: var(--md-default-fg-color--light); margin: 0 0 8px; }
.writing-empty p { font-size: 14px; margin: 0; }
.pagination { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 40px; align-items: center; font-size: 14px; }
.pagination a, .pagination > span { padding: 5px 12px; border-radius: 4px; }
.pagination a:hover { background: var(--md-hover-color); }
.pagination a[aria-current] { background: #4051b5; color: #fff; }
.writing-footer { border-top: 1px solid var(--md-border-color); color: var(--md-default-fg-color--lighter); font-size: 13px; padding: 24px 38px; }
.writing-footer > div { max-width: 1364px; margin: auto; display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; }
.back-to-top { position: fixed; bottom: 24px; right: 24px; z-index: 25; background: var(--md-default-bg-color); color: var(--md-primary-fg-color); box-shadow: var(--md-shadow); border: 1px solid var(--md-border-color); }
.back-to-top:hover { color: var(--md-primary-fg-color); background: var(--md-hover-color); }
.writing-status { position: fixed; bottom: 30px; left: 50%; transform: translate(-50%,15px); background: #303442; color: #fff; font-size: 14px; border-radius: 5px; padding: 9px 20px; box-shadow: var(--md-shadow); opacity: 0; pointer-events: none; transition: opacity .15s, transform .15s; z-index: 100; }
.writing-status.visible { opacity: 1; transform: translate(-50%,0); }
.search-dialog { width: min(680px,calc(100% - 32px)); max-height: min(650px,80vh); padding: 0; border: 1px solid var(--md-border-color); border-radius: 9px; background: var(--md-default-bg-color); color: var(--md-default-fg-color); box-shadow: 0 16px 80px #0004; margin: 12vh auto 0; }
.search-dialog::backdrop { background: #10172c88; backdrop-filter: blur(3px); }
.search-input-row { display: flex; align-items: center; padding: 8px 14px 8px 20px; gap: 14px; border-bottom: 1px solid var(--md-border-color); }
.search-input-row > i { color: var(--md-primary-fg-color); }
.search-input-row input { min-width: 0; flex: 1; border: 0; height: 44px; background: transparent; color: inherit; font-size: 16px; outline: 0; }
.search-input-row input:focus-visible { outline: 0; }
.search-input-row:focus-within { box-shadow: inset 0 -2px var(--md-primary-fg-color); }
.search-input-row .icon-button:hover { background: var(--md-hover-color); }
.search-caption { color: var(--md-default-fg-color--light); font-size: 13px; padding: 12px 20px; background: var(--md-code-bg-color); }
.search-results { overflow-y: auto; max-height: 50vh; }
.search-result { display: block; padding: 16px 20px; border-bottom: 1px solid var(--md-border-color); color: var(--md-default-fg-color); }
.search-result:hover, .search-result:focus { background: var(--md-hover-color); }
.search-result-kind { display: block; font-size: 12px; color: var(--md-primary-fg-color); margin-bottom: 5px; }
.search-result strong { display: block; font-size: 16px; font-weight: 500; }
.search-result p { font-size: 14px; line-height: 1.7; color: var(--md-default-fg-color--light); margin: 6px 0 0; }
.search-result mark { background: #ffd54f55; color: inherit; border-radius: 2px; }
.search-hint { font-size: 12px; color: var(--md-default-fg-color--lighter); padding: 12px 20px; display: flex; gap: 7px; align-items: center; }
.search-hint kbd { font-size: 9px; line-height: 15px; }
.mobile-menu, .sidebar-mobile-head, .mobile-article-info, .drawer-navigation { display: none; }
:root[data-theme="dark"] .codehilite { color: #dfe5f5; }
:root[data-theme="dark"] .codehilite :is(.c,.c1,.cm,.cp,.cs) { color: #8d99ad; }
:root[data-theme="dark"] .codehilite :is(.k,.kd,.kn,.kp,.kr,.kt,.ow) { color: #b2a8ff; }
:root[data-theme="dark"] .codehilite :is(.s,.s1,.s2,.sa,.sb,.sc,.sd,.se,.sh,.si,.sr,.ss) { color: #a9d7b6; }
:root[data-theme="dark"] .codehilite :is(.n,.nf,.nc,.na,.nb,.nn,.no) { color: #c1d8ff; }
:root[data-theme="dark"] .codehilite :is(.m,.mi,.mf,.mh,.o) { color: #f4c69a; }
@media (min-width: 1600px) { .writing-layout { gap: 60px; } }
@media (max-width: 1240px) {
  .header-inner { padding-left: 28px; padding-right: 28px; gap: 12px; }
  .writing-brand { max-width: 240px; }
  .writing-tabs { margin-left: 4px; }
  .tabs-inner { gap: 20px; }
  .writing-layout { grid-template-columns: 176px minmax(0,1fr) 208px; gap: 28px; padding-left: 28px; padding-right: 28px; }
  .writing-main { max-width: 780px; }
}
@media (max-width: 1023px) {
  .writing-layout { grid-template-columns: 190px minmax(0,1fr); }
  .writing-toc { display: none; }
  .mobile-article-info { display: block; margin-bottom: 28px; }
  .mobile-toc, .mobile-metadata { display: block; background: var(--md-code-bg-color); border: 1px solid var(--md-border-color); padding: 12px 18px; border-radius: 5px; margin-bottom: 30px; font-size: 14px; }
  .mobile-toc summary, .mobile-metadata summary { cursor: pointer; color: var(--md-default-fg-color--light); }
  .mobile-toc ul { list-style: none; padding-left: 14px; }
  .mobile-toc > ul { padding-left: 0; }
  .mobile-toc a { display: block; padding: 3px 0; }
  .mobile-metadata { margin-bottom: 12px; }
  .mobile-metadata .article-metadata { border: 0; padding: 0; margin: 12px 0 0; }
  .mobile-metadata .metadata-title { display: none; }
}
@media (min-width: 900px) and (max-width: 1100px) {
  .search-trigger { width: 32px; padding: 0; justify-content: center; }
  .search-trigger span, .search-trigger kbd { display: none; }
}
@media (max-width: 899px) {
  :root { --writing-header-height: 92px; }
  .writing-layout { display: block; padding: 32px 28px 60px; max-width: 820px; }
  .header-inner { padding: 0 20px; height: auto; display: grid; grid-template-columns: 32px minmax(0,1fr) 32px 32px 32px; grid-template-rows: 55px 36px; grid-template-areas: 'menu brand search theme rss' 'tabs tabs tabs tabs tabs'; gap: 0 8px; }
  .writing-tabs { grid-area: tabs; margin-left: 0; }
  .tabs-inner { height: 36px; gap: 26px; }
  .writing-brand { grid-area: brand; gap: 10px; font-size: 16px; max-width: none; }
  .writing-brand > i { display: none; }
  .brand-divider { margin: 0 10px; }
  .brand-section { font-size: 16px; }
  .mobile-menu { grid-area: menu; display: inline-flex; margin-left: -5px; }
  #theme-toggle { grid-area: theme; }
  .rss-link { grid-area: rss; }
  .search-trigger { grid-area: search; width: 32px; height: 32px; justify-content: center; background: transparent; border: 0; border-radius: 50%; padding: 0; }
  .search-trigger span, .search-trigger kbd { display: none; }
  .writing-sidebar { position: fixed; top: 0; left: 0; height: 100dvh; max-height: 100dvh; width: min(300px,85vw); z-index: 60; background: var(--md-default-bg-color); padding: 16px; overflow-y: auto; transform: translateX(-100%); visibility: hidden; transition: transform .2s, visibility .2s; box-shadow: 4px 0 20px #0002; }
  .writing-sidebar.is-open { transform: translateX(0); visibility: visible; }
  .sidebar-mobile-head { display: flex; align-items: center; justify-content: space-between; padding: 0 0 14px 12px; margin-bottom: 18px; border-bottom: 1px solid var(--md-border-color); }
  .sidebar-mobile-head .icon-button:hover { background: var(--md-hover-color); }
  .drawer-scrim { position: fixed; inset: 0; background: #10172c88; z-index: 50; }
  .sidebar-title { font-size: 16px; }
  .drawer-navigation { display: grid; padding-bottom: 16px; margin-bottom: 20px; border-bottom: 1px solid var(--md-border-color); }
  .drawer-navigation a { padding: 8px 12px; color: var(--md-default-fg-color--light); border-radius: 5px; }
  .drawer-navigation a:hover, .drawer-navigation a[aria-current] { color: var(--md-primary-fg-color); background: var(--md-hover-color); }
  .sidebar-link { padding: 10px 12px; }
  .nav-group > summary { padding-top: 10px; padding-bottom: 10px; }
  .nav-group > summary::after { top: 17px; }
  .breadcrumb { margin-bottom: 24px; }
  .writing-footer { padding: 22px 28px; }
}
@media (max-width: 599px) {
  :root { --writing-header-height: 88px; }
  .header-inner { padding: 0 16px; grid-template-columns: 32px minmax(0,1fr) 32px 32px; grid-template-rows: 51px 36px; grid-template-areas: 'menu brand search theme' 'tabs tabs tabs tabs'; }
  .rss-link { display: none; }
  .writing-brand { font-size: 16px; }
  .brand-section { font-size: 16px; }
  .tabs-inner { gap: 25px; }
  .tabs-inner a { font-size: 14px; }
  .writing-layout { padding: 28px 22px 48px; }
  h1 { font-size: 28px; }
  .blog-preview h2 { font-size: 25px; }
  .article-meta { font-size: 12px; gap: 4px 10px; }
  .article-meta > * + *::before { margin-right: 10px; }
  .blog-preview { padding: 28px 0; }
  .document-content { font-size: 16px; }
  .document-content h2 { font-size: 25px; }
  .document-content pre { font-size: 13.6px; }
  .knowledge-grid { grid-template-columns: 1fr; gap: 12px; margin-bottom: 32px; }
  .knowledge-category { padding: 18px; }
  .knowledge-preview { gap: 12px; }
  .knowledge-preview h3 { font-size: 20px; }
  .knowledge-preview .article-meta { gap: 4px 8px; }
  .section-heading > span { display: none; }
  .article-pagination { gap: 20px; }
  .article-pagination a { font-size: 14px; }
  .writing-footer > div { flex-direction: column; gap: 6px; }
  .search-dialog { margin-top: 5vh; max-height: 88dvh; }
  .search-results { max-height: 60dvh; }
  .search-input-row { padding-left: 14px; gap: 8px; }
  .search-input-row input { font-size: 16px; }
  .back-to-top { bottom: 18px; right: 16px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; } }
@media print {
  .writing-header, .writing-sidebar, .writing-toc, .writing-footer, .back-to-top, .copy-article, .code-copy, .mobile-article-info, .article-pagination, .article-end { display: none !important; }
  .writing-site { padding: 0; background: #fff; color: #000; }
  .writing-layout { display: block; padding: 0; }
  .writing-main { max-width: none; }
  .document-content pre { white-space: pre-wrap; }
}