:root {
  color-scheme: light;
  --bg: #fafbf9;
  --surface: #ffffff;
  --soft: #edf2ed;
  --ink: #18241d;
  --muted: #59675e;
  --line: #d7dfd7;
  --accent: #20703e;
  --accent-soft: #e3f0e4;
  --button: #203d2a;
  --button-text: #ffffff;
  --focus: #32834d;
  --amber: #98650e;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #101512; --surface: #17201a; --soft: #202b23; --ink: #f0f4ef;
    --muted: #b1bdb1; --line: #344038; --accent: #9ed5a3; --accent-soft: #243e2a;
    --button: #b7d9b6; --button-text: #17251a; --focus: #a2d2a3; --amber: #e4bd75;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #101512; --surface: #17201a; --soft: #202b23; --ink: #f0f4ef;
  --muted: #b1bdb1; --line: #344038; --accent: #9ed5a3; --accent-soft: #243e2a;
  --button: #b7d9b6; --button-text: #17251a; --focus: #a2d2a3; --amber: #e4bd75;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 100px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .2em; }
a:hover { color: var(--accent); }
button, input, select { font: inherit; }
button, select { cursor: pointer; }
button { color: inherit; }
button:active, .button:active { transform: translateY(1px); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; border-radius: 3px; }
[hidden] { display: none !important; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { font-weight: 580; line-height: 1.15; letter-spacing: -.035em; text-wrap: balance; }
h1 { font-size: clamp(2.5rem, 5.2vw, 4.25rem); }
h2 { font-size: clamp(1.5rem, 2.8vw, 2.2rem); }
h3 { font-size: 1.25rem; }
.wrap { width: min(1120px, calc(100% - 64px)); margin-inline: auto; }
.skip-link { position: fixed; left: 20px; top: -100px; z-index: 100; padding: 12px 20px; background: var(--button); color: var(--button-text); }
.skip-link:focus { top: 10px; }
.site-header { border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 30; }
.header-inner { width: min(1280px, calc(100% - 64px)); margin: auto; min-height: 78px; display: flex; align-items: center; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; white-space: nowrap; font-size: 24px; font-weight: 680; letter-spacing: -.06em; }
.brand-context { margin-left: 8px; font-size: 14px; font-weight: 450; color: var(--muted); letter-spacing: -.02em; }
.main-nav { display: flex; align-items: center; gap: 25px; margin-left: auto; }
.main-nav a, .header-product { font-size: 14px; text-decoration: none; }
.main-nav a { color: var(--muted); }
.main-nav a[aria-current], .main-nav a:hover { color: var(--ink); }
.main-nav a[aria-current] { text-decoration: underline; text-underline-offset: 8px; }
.main-nav .mobile-product { display: none; }
.header-product { border-left: 1px solid var(--line); padding-left: 23px; white-space: nowrap; }
.theme-button, .menu-button { padding: 5px 9px; border: 1px solid var(--line); border-radius: 6px; background: transparent; font-size: 12px; }
.menu-button { display: none; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 45px; padding: 11px 19px; border-radius: 7px; border: 1px solid transparent; font-size: 14px; font-weight: 550; text-decoration: none; line-height: 1.35; }
.button-primary { background: var(--button); color: var(--button-text); }
.button-primary:hover { color: var(--button-text); opacity: .9; }
.button-secondary { border-color: var(--line); background: var(--surface); color: var(--ink); }
.text-link { font-weight: 530; text-decoration: none; color: var(--accent); }
.text-button { background: none; border: 0; padding: 5px 0; color: var(--accent); text-decoration: underline; text-underline-offset: 4px; font-size: 14px; }
.eyebrow { color: var(--accent); font-size: 13px; font-weight: 550; margin-bottom: 16px; letter-spacing: .015em; }
.home-hero { display: grid; grid-template-columns: 1.2fr 1fr; align-items: center; gap: 72px; padding-block: 90px 80px; }
.home-hero h1 { margin-bottom: 24px; }
.hero-copy { color: var(--muted); font-size: 18px; max-width: 505px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; margin-top: 32px; }
.hero-actions .text-link { font-size: 14px; }
.hero-film { display: block; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--surface); text-decoration: none; }
.hero-film > div { padding: 23px 24px; }
.hero-film > div > span { color: var(--muted); font-size: 12px; }
.hero-film strong { display: flex; align-items: center; justify-content: space-between; font-size: 22px; font-weight: 550; margin: 5px 0 7px; letter-spacing: -.03em; }
.hero-film small { color: var(--muted); }
.learning-paths { border-block: 1px solid var(--line); display: grid; grid-template-columns: repeat(3, 1fr); }
.learning-paths > a { display: flex; gap: 16px; padding: 28px 24px; text-decoration: none; align-items: baseline; }
.learning-paths > a:first-child { padding-left: 0; }
.learning-paths > a + a { border-left: 1px solid var(--line); }
.learning-paths > a > span { font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }
.learning-paths > a > span:last-child { margin-left: auto; }
.learning-paths strong { font-size: 15px; font-weight: 550; }
.learning-paths p { color: var(--muted); font-size: 13px; margin-top: 6px; }
.home-section { padding-block: 70px 20px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 25px; margin-bottom: 28px; }
.section-heading .eyebrow { margin-bottom: 11px; }
.section-heading > a, .section-heading > span { font-size: 14px; white-space: nowrap; color: var(--muted); text-decoration: none; }
.skill-grid, .story-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.skill-card { position: relative; display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 25px; min-width: 0; }
.card-overline { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 24px; }
.tag { display: inline-block; background: var(--accent-soft); color: var(--accent); border-radius: 4px; padding: 3px 8px; font-size: 12px; text-decoration: none; }
.publisher { font-size: 11px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.skill-card h2, .skill-card h3 { font-size: 20px; line-height: 1.3; letter-spacing: -.025em; }
.skill-card h2 a, .skill-card h3 a { text-decoration: none; }
.skill-card h2 a::after, .skill-card h3 a::after { content: ''; position: absolute; inset: 0; border-radius: 10px; }
.skill-card:focus-within, .skill-card:hover { border-color: var(--accent); }
.skill-card > p { color: var(--muted); font-size: 14px; margin: 15px 0 25px; }
.card-foot { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; }
.card-foot span:last-child { font-size: 18px; color: var(--accent); }
.topic-links { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-top: 24px; }
.topic-links a { color: var(--muted); text-decoration: none; font-size: 13px; }
.topic-links span { margin-left: 6px; }
.manifesto { margin-top: 70px; padding-block: 46px; border-block: 1px solid var(--line); display: grid; grid-template-columns: 1fr 1fr; gap: 85px; }
.manifesto p:not(.eyebrow) { color: var(--muted); margin-bottom: 18px; font-size: 15px; }
.manifesto .text-link { font-size: 14px; }
.story-card { padding: 8px 0 25px; border-bottom: 1px solid var(--line); display: flex; flex-direction: column; }
.story-card h3 { line-height: 1.35; font-size: 22px; }
.story-card h3 a { text-decoration: none; }
.story-card > p { color: var(--muted); font-size: 14px; margin-top: 15px; }
.story-card .eyebrow { color: var(--muted); font-size: 12px; margin-bottom: 14px; }
.story-link { display: flex; gap: 16px; font-size: 13px; padding-top: 25px; margin-top: auto; color: var(--accent); }
.manual-banner { margin-top: 70px; padding: 48px; background: var(--soft); border-radius: 12px; display: grid; grid-template-columns: 1.5fr 1fr; gap: 65px; align-items: center; }
.manual-banner p:not(.eyebrow) { margin: 20px 0; font-size: 15px; max-width: 500px; color: var(--muted); }
.permission-summary { padding: 25px 28px; border-radius: 9px; background: var(--surface); }
.permission-summary > span { font-size: 12px; color: var(--muted); }
.permission-summary p { display: flex; align-items: center; gap: 12px; color: var(--ink) !important; }
.permission-summary a { font-size: 12px; color: var(--accent); text-decoration: none; }
.signal { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.signal-off { background: var(--muted); }.signal-ask { background: var(--amber); }.signal-on { background: var(--accent); }
.breadcrumbs { padding-top: 28px; font-size: 12px; color: var(--muted); }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 6px 12px; padding: 0; margin: 0; list-style: none; }
.breadcrumbs li { overflow-wrap: anywhere; }
.breadcrumbs li + li::before { content: '/'; margin-right: 12px; opacity: .6; }
.breadcrumbs a { text-decoration: none; }
.page-intro { padding-block: 48px 42px; }
.page-intro h1 { max-width: 900px; }
.intro-copy { margin-top: 24px; max-width: 710px; font-size: 18px; color: var(--muted); }
.intro-note { font-size: 12px; color: var(--muted); margin-top: 20px; }
.page-intro .button { margin-top: 26px; }
.catalog-section { padding-bottom: 40px; }
.catalog-search { margin-bottom: 25px; }
.catalog-search label, .site-search label { display: block; font-size: 13px; margin-bottom: 9px; font-weight: 550; }
.input-row { display: flex; gap: 10px; }
.input-row input { min-width: 0; flex: 1; border: 1px solid var(--line); border-radius: 7px; padding: 13px 17px; background: var(--surface); color: var(--ink); }
.input-row input::placeholder { color: var(--muted); opacity: 1; }
.category-nav { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.category-nav a { text-decoration: none; border: 1px solid var(--line); border-radius: 5px; font-size: 13px; padding: 7px 12px; }
.category-nav a[aria-current] { background: var(--button); color: var(--button-text); border-color: var(--button); }
.result-count { font-size: 13px; color: var(--muted); margin-bottom: 18px; }
.empty-state { padding: 55px 25px; text-align: center; border: 1px solid var(--line); border-radius: 9px; }
.empty-state p { margin: 15px auto 25px; color: var(--muted); }
.method-note { margin-top: 40px; border-top: 1px solid var(--line); padding-top: 25px; color: var(--muted); font-size: 13px; max-width: 850px; }
.method-note h2 { font-size: 17px; margin-bottom: 10px; color: var(--ink); }
.method-note a { display: inline-block; margin-top: 12px; }
.collection-section { padding: 15px 0 40px; }
.collection-section .story-grid { row-gap: 36px; }
.site-search { margin-top: 30px; max-width: 760px; }
.search-results { min-height: 35vh; }
.search-results > p { color: var(--muted); font-size: 14px; margin-bottom: 20px; }
.search-result { border-bottom: 1px solid var(--line); padding: 22px 0; max-width: 850px; }
.search-result h2 { font-size: 22px; margin-bottom: 10px; }
.search-result h2 a { text-decoration: none; }
.search-result p { color: var(--muted); font-size: 14px; }
.search-result small { display: block; color: var(--accent); margin-bottom: 8px; }
.site-footer { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 45px; padding-top: 45px; margin-top: 90px; border-top: 1px solid var(--line); }
.footer-lead p { font-size: 13px; color: var(--muted); margin-top: 16px; }
.site-footer nav { display: flex; flex-direction: column; gap: 10px; }
.site-footer nav a { font-size: 13px; text-decoration: none; color: var(--muted); }
.footer-bottom { grid-column: 1 / -1; border-top: 1px solid var(--line); padding: 22px 0 30px; display: flex; justify-content: space-between; gap: 20px; color: var(--muted); font-size: 11px; }
@media (max-width: 1050px) {
  .header-inner { gap: 16px; }.main-nav { gap: 17px; }.brand-context { display: none; }
  .home-hero { gap: 36px; }.learning-paths > a { padding: 24px 16px; gap: 10px; }
  .manual-banner { gap: 35px; padding: 35px; }
}
@media (max-width: 780px) {
  .wrap, .header-inner { width: calc(100% - 40px); }
  .header-inner { min-height: 68px; gap: 15px; flex-wrap: wrap; }
  .brand { font-size: 23px; }.menu-button { display: block; margin-left: auto; font-size: 13px; }
  .header-product { padding-left: 0; border: 0; font-size: 12px; }.theme-button { font-size: 11px; }
  .main-nav { display: none; order: 5; width: 100%; padding: 8px 0 20px; margin: 0; flex-wrap: wrap; }
  .main-nav[data-open] { display: flex; }
  .main-nav .mobile-product { display: inline; }
  .home-hero { grid-template-columns: 1fr; padding-block: 55px 40px; gap: 35px; }
  .home-hero h1 { font-size: clamp(2.6rem, 9vw, 4rem); }.hero-copy { font-size: 17px; }
  .hero-film { max-width: 570px; }.hero-film > div { padding: 20px; }
  .learning-paths { grid-template-columns: 1fr; }.learning-paths > a, .learning-paths > a:first-child { padding: 20px 0; }
  .learning-paths > a + a { border-left: 0; border-top: 1px solid var(--line); }
  .skill-grid, .story-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
  .skill-card { padding: 20px; }.skill-card h2, .skill-card h3 { font-size: 18px; }
  .home-section { padding-top: 48px; }.section-heading { align-items: start; }
  .section-heading > a { font-size: 12px; white-space: normal; text-align: right; max-width: 120px; }
  .manifesto { grid-template-columns: 1fr; gap: 25px; margin-top: 45px; padding-block: 35px; }
  .manual-banner { grid-template-columns: 1fr; gap: 30px; margin-top: 45px; padding: 30px; }
  .page-intro { padding-top: 35px; }.intro-copy { font-size: 16px; }
  .site-footer { grid-template-columns: 1fr 1fr; gap: 30px; margin-top: 65px; }.footer-lead { grid-column: 1 / -1; }
}
@media (max-width: 490px) {
  .wrap, .header-inner { width: calc(100% - 32px); }.header-inner { gap: 12px; }
  .header-product { display: none; }.brand-context { display: inline; font-size: 12px; }
  .home-hero h1, .page-intro h1 { font-size: clamp(32px, 10vw, 39px); }.hero-actions { gap: 20px; }
  .skill-grid, .story-grid { grid-template-columns: 1fr; }.skill-card { padding: 24px; }
  .skill-card h2, .skill-card h3 { font-size: 21px; }.card-overline { margin-bottom: 20px; }
  .story-card { padding-bottom: 22px; }.story-card h3 { font-size: 22px; }
  .manual-banner { padding: 25px; }.permission-summary { padding: 22px; }
  .footer-bottom { flex-direction: column; gap: 8px; }.input-row .button { padding-inline: 14px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; } }

.article-header { padding-block: 45px 40px; }
.article-header h1 { max-width: 1000px; font-size: clamp(2.2rem, 4.6vw, 3.5rem); }
.article-labels { display: flex; align-items: center; gap: 15px; margin-bottom: 20px; font-size: 12px; color: var(--muted); }
.article-summary { font-size: 19px; line-height: 1.6; color: var(--muted); max-width: 850px; margin-top: 25px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 10px 24px; font-size: 12px; color: var(--muted); margin-top: 26px; }
.event-date { color: var(--muted); font-size: 12px; margin-top: 10px; }
.article-layout { display: grid; grid-template-columns: 235px minmax(0, 710px); gap: 70px; padding-block: 25px; border-top: 1px solid var(--line); }
.article-sidebar { align-self: start; position: sticky; top: 105px; max-height: calc(100vh - 125px); overflow-y: auto; padding-right: 10px; }
.article-toc > p { font-size: 12px; font-weight: 600; margin: 4px 0 15px; }
.article-toc ol { list-style: none; padding: 0; margin: 0; }
.article-toc li { padding: 6px 0; line-height: 1.5; }
.article-toc a { font-size: 13px; text-decoration: none; color: var(--muted); }
.article-toc a:hover { color: var(--accent); }
.skill-origin { border-top: 1px solid var(--line); margin-top: 30px; padding-top: 22px; font-size: 13px; overflow-wrap: anywhere; }
.skill-origin .eyebrow { font-size: 11px; margin-bottom: 9px; }
.skill-origin strong { font-weight: 600; }.skill-origin > p { margin-top: 5px; color: var(--muted); }
.skill-origin .install-count { margin-top: 18px; color: var(--ink); font-variant-numeric: tabular-nums; }
.skill-origin small { display: block; font-size: 11px; color: var(--muted); margin-top: 4px; }
.skill-origin a { display: inline-block; margin-top: 18px; color: var(--accent); }
.sidebar-back { display: block; margin-top: 28px; font-size: 12px; color: var(--accent); text-decoration: none; }
.article-body { font-size: 17px; line-height: 1.85; min-width: 0; }
.article-body section { margin-bottom: 35px; scroll-margin-top: 110px; }
.article-body h2 { font-size: 26px; line-height: 1.3; letter-spacing: -.03em; margin: 13px 0 18px; }
.article-body p + p { margin-top: 17px; }
.article-body ul, .article-body ol { padding-left: 23px; margin: 15px 0 0; }
.article-body li { padding-left: 5px; margin-block: 9px; }
.article-body a { color: var(--accent); }
.article-body code { font-size: 14px; padding: 2px 5px; border-radius: 4px; background: var(--soft); }
.article-body .button { color: var(--button-text); }
.example-block { background: var(--soft); padding: 26px 30px; border-radius: 8px; margin-block: 32px; }
.example-block .eyebrow { margin-bottom: 12px; }
.example-block blockquote { margin: 0 0 17px; font-size: 17px; line-height: 1.75; }
.copy-status { margin-left: 12px; font-size: 12px; color: var(--muted); }
.how-to-use { padding-top: 8px; }
.how-to-use .button { margin-top: 20px; }
.how-to-use p.small-note { font-size: 12px; color: var(--muted); margin-top: 8px; margin-bottom: 20px; }
.article-body .article-sources { border-top: 1px solid var(--line); padding-top: 20px; margin-top: 45px; }
.article-sources h2 { font-size: 20px; }
.article-sources ul { font-size: 14px; overflow-wrap: anywhere; }
.article-body .editorial-note { font-size: 12px; color: var(--muted); line-height: 1.7; margin-bottom: 25px; }
.related { padding-top: 50px; border-top: 1px solid var(--line); margin-top: 40px; }
.related > h2 { margin-bottom: 28px; }
.article-cta { background: var(--soft); padding: 28px; border-radius: 9px; margin-top: 40px; }
.article-cta h2 { margin-top: 0; font-size: 23px; }.article-cta p { color: var(--muted); font-size: 15px; }
.article-cta .button { margin-top: 20px; }
.chapter-nav { border-top: 1px solid var(--line); margin-top: 40px; padding-top: 25px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px; font-size: 14px; }
.manual-index > ol { list-style: none; padding: 0; margin: 0; }
.manual-index li { display: flex; align-items: baseline; gap: 28px; border-top: 1px solid var(--line); padding: 25px 0; }
.chapter-number { color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; }
.manual-index h2 { font-size: 22px; margin-bottom: 10px; line-height: 1.3; }.manual-index h2 a { text-decoration: none; }
.manual-index p { max-width: 800px; font-size: 14px; color: var(--muted); }
.manual-index li > span:last-child { margin-left: auto; color: var(--accent); }
.video-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 45px 30px; }
.video-grid article > a { text-decoration: none; }
.video-grid img { aspect-ratio: 16/9; object-fit: contain; background: var(--soft); border-radius: 8px; border: 1px solid var(--line); margin-bottom: 20px; }
.video-grid h2 { font-size: 25px; margin-top: 10px; }.video-grid p { color: var(--muted); margin-top: 15px; font-size: 15px; }
.video-figure { margin-bottom: 30px; }
.video-figure video { display: block; width: 100%; height: auto; background: var(--soft); border-radius: 9px; border: 1px solid var(--line); }
.video-figure figcaption { font-size: 12px; line-height: 1.6; color: var(--muted); margin-top: 14px; }
.video-figure figcaption a { white-space: nowrap; }
.video-error { background: var(--soft); padding: 14px; border-radius: 6px; font-size: 14px; margin-top: 15px; }
.video-description { max-width: 750px; margin: 45px auto; }.video-description h2 { margin-bottom: 20px; }
.video-description p { margin-bottom: 20px; color: var(--muted); }
.model-guide { padding-block: 10px 40px; }.model-guide h2 { margin-bottom: 26px; font-size: 25px; }
.comparison-criteria { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.comparison-criteria strong { font-size: 16px; }.comparison-criteria p { color: var(--muted); font-size: 14px; margin-top: 12px; }
.standalone { max-width: 750px; }.standalone h2 { margin-top: 35px; }
.permissions-demo { border: 1px solid var(--line); border-radius: 8px; padding: 25px; margin: 25px 0 35px; background: var(--surface); }
.permissions-demo label { display: block; font-size: 14px; margin-bottom: 8px; }
.permissions-demo select { width: 100%; padding: 12px; background: var(--bg); color: var(--ink); border: 1px solid var(--line); border-radius: 6px; }
.permission-cable { display: flex; align-items: center; gap: 12px; margin: 25px 0; font-size: 13px; }
.permission-cable span { padding: 10px; background: var(--soft); border-radius: 6px; }
.permission-cable i { flex: 1; height: 3px; background: var(--amber); }
.permissions-demo[data-state="deny"] .permission-cable i { background: var(--muted); opacity: .35; }
.permissions-demo[data-state="allow"] .permission-cable i { background: var(--accent); }
.permissions-demo p { font-size: 14px; }.permissions-demo small { display: block; font-size: 12px; margin-top: 13px; color: var(--muted); }
@media (max-width: 950px) {
  .article-layout { grid-template-columns: 195px minmax(0, 1fr); gap: 35px; }.article-body { font-size: 16px; }
  .article-summary { font-size: 17px; }.comparison-criteria { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 700px) {
  .article-header { padding-block: 32px; }.article-header h1 { font-size: 34px; line-height: 1.2; }
  .article-summary { margin-top: 19px; }.article-meta { font-size: 11px; gap: 8px 15px; }
  .article-layout { display: block; }.article-sidebar { position: static; max-height: none; padding: 0; margin-bottom: 30px; }
  .article-toc { padding-bottom: 20px; border-bottom: 1px solid var(--line); }.article-toc ol { display: flex; flex-wrap: wrap; gap: 0 20px; }
  .article-toc li { padding: 3px 0; }.article-toc a { font-size: 12px; }
  .skill-origin { display: none; }.sidebar-back { margin-top: 15px; }
  .article-body { font-size: 16px; }.article-body h2 { font-size: 24px; }.example-block { padding: 23px; }
  .example-block blockquote { font-size: 16px; }.article-body section { margin-bottom: 30px; }
  .video-grid { grid-template-columns: 1fr; gap: 35px; }.video-grid h2 { font-size: 24px; }
  .manual-index li { gap: 17px; padding-block: 22px; }.manual-index h2 { font-size: 20px; }
  .manual-index li > span:last-child { display: none; }.chapter-nav { flex-direction: column; }
  .related { margin-top: 25px; padding-top: 35px; }.comparison-criteria { gap: 24px; }
}