:root {
  --bg: #FFE8CF;
  --bg-panel: #FFFFFF;
  --bg-panel-2: #F5EDFF;
  --bg-status: #F7F4F1;
  --border: #1C1917;
  --line-soft: #E8E0D8;
  --accent: #E5462A;
  --accent-dark: #B5321B;
  --text: #1C1917;
  --text-muted: #5E544C;
  --text-inverse: #FFFFFF;
  --success: #1F8A4C;
  --warn: #C77700;
  --error: #C62828;
  --veil: rgba(28, 25, 23, .35);
  --clear: transparent;
  --font-display: "Inter", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "Inter", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;
  --weight-heavy: 800;
  --weight-display: 900;
  --text-xs: 12px;
  --text-sm: 14px;
  --text-base: 16px;
  --text-lede: 18px;
  --title-display: clamp(34px, 3.2vw + .4rem, 48px);
  --title-section: clamp(24px, 1.6vw + .8rem, 32px);
  --radius-ctl: 6px;
  --radius-card: 10px;
  --radius-round: 999px;
  --radius-mark: 2px;
  --stroke: 3px;
  --stroke-mid: 2px;
  --stroke-hair: 1px;
  --shadow-hard-lg: 12px 12px 0 0 var(--border);
  --shadow-hard-md: 8px 8px 0 0 var(--border);
  --shadow-hard-sm: 6px 6px 0 0 var(--border);
  --shadow-hard-xs: 4px 4px 0 0 var(--border);
  --shadow-action: 4px 4px 0 0 var(--accent);
  --shadow-float: 0 14px 30px rgba(28, 25, 23, .16);
  --content: 1200px;
  --reading: 820px;
  --header-content: 1280px;
  --gutter: 24px;
  --section-space: 96px;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --duration: .18s;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
html.nav-open { overflow: hidden; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-underline-offset: 4px; }
button, input, select, textarea { font: inherit; }
button, summary { cursor: pointer; }
button { color: var(--text); }
img, svg { display: block; max-width: 100%; }
svg, .icon, .dot-ok { flex-shrink: 0; }
img { height: auto; }
button svg, a svg { flex-shrink: 0; }
[hidden] { display: none !important; }
:focus-visible { outline: var(--stroke) solid var(--accent-dark); outline-offset: 3px; }
::selection { background: var(--bg-panel-2); color: var(--text); }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.2; letter-spacing: -.02em; text-wrap: balance; }
h1 { font-size: var(--title-display); font-weight: var(--weight-display); }
h2 { font-size: var(--title-section); font-weight: var(--weight-display); }
h3 { font-size: 22px; font-weight: var(--weight-heavy); }
p { margin-top: 0; }
code { font-family: var(--font-mono); overflow-wrap: anywhere; }
pre {
  max-width: 100%;
  overflow-x: auto;
  padding: 20px;
  background: var(--bg-panel-2);
  color: var(--text);
  border-radius: var(--radius-ctl);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.75;
  tab-size: 2;
}
pre code { overflow-wrap: normal; word-break: normal; white-space: pre; }
:where(main, section, article, aside, div, li) { min-width: 0; }
[id] { scroll-margin-top: 24px; }
.shell, .wrap {
  width: 100%;
  max-width: calc(var(--content) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.reading { max-width: calc(var(--reading) + var(--gutter) * 2); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-top: var(--section-space); padding-bottom: var(--section-space); }
.surface-white { background: var(--bg-panel); color: var(--text); }
.surface-lilac { background: var(--bg-panel-2); color: var(--text); }
.surface-peach { background: var(--bg); color: var(--text); }
.section-heading { max-width: 820px; margin: 0 0 14px; }
.eyebrow, .next-eyebrow { margin: 0 0 12px; font: var(--weight-semibold) 12.5px var(--font-mono); letter-spacing: .04em; color: var(--text-muted); }
.muted { color: var(--text-muted); }
.keep { white-space: nowrap; }
.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 { position: absolute; left: var(--gutter); top: -80px; z-index: 100; background: var(--border); color: var(--text-inverse); padding: 8px 14px; border-radius: var(--radius-ctl); font-weight: var(--weight-bold); text-decoration: none; }
.skip:focus { top: 8px; }
.btn {
  display: inline-flex; justify-content: center; align-items: center; gap: 10px;
  min-height: 50px; padding: 9px 24px; max-width: 100%;
  font-size: var(--text-base); font-weight: var(--weight-bold); letter-spacing: -.01em;
  text-align: center; text-decoration: none;
  background: var(--bg-panel); color: var(--text);
  border: var(--stroke) solid var(--border); border-radius: var(--radius-ctl);
  transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: var(--border); color: var(--text-inverse); }
.btn-ghost { background: var(--bg-panel); color: var(--text); }
.btn:hover, .btn.is-hover { transform: translate(-2px, -2px); box-shadow: var(--shadow-hard-xs); }
.btn-primary:hover { box-shadow: var(--shadow-action); }
.btn:active, .btn.is-active { transform: translate(1px, 1px); box-shadow: none; }
.btn:disabled, .btn[aria-disabled="true"] { background: var(--bg-status); color: var(--text-muted); cursor: not-allowed; transform: none; box-shadow: none; }
.btn.is-focus { outline: var(--stroke) solid var(--accent-dark); outline-offset: 3px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 20px; }
.card, .panel { padding: 28px; background: var(--bg-panel); color: var(--text); border: var(--stroke) solid var(--border); border-radius: var(--radius-card); box-shadow: var(--shadow-hard-md); }
.card h3, .panel h3 { margin-top: 0; }
.card > :last-child, .panel > :last-child { margin-bottom: 0; }
.card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; }
.prose { overflow-wrap: break-word; }
.prose h2 { margin-top: 64px; }
.prose h3 { margin-top: 32px; }
.prose p, .prose li { line-height: 1.85; }
.prose a { font-weight: var(--weight-semibold); }
.reveal { opacity: 1; transform: none; }
.reveal-pending .reveal:not(.shown) { opacity: 0; transform: translateY(16px); }
.reveal { transition: opacity .5s var(--ease), transform .5s var(--ease); }

/* Shared header: independently wider than the body. */
#site-header, .preview-header { position: relative; z-index: 40; }
.guide-strip { background: var(--bg-panel-2); color: var(--text); border-top: var(--stroke) solid var(--accent); }
.guide-strip .shell { display: flex; align-items: center; min-height: 36px; }
.guide-strip a { display: inline-flex; align-items: center; gap: 8px; padding-block: 4px; font-size: 13.5px; font-weight: var(--weight-semibold); letter-spacing: -.005em; text-decoration: none; }
.guide-strip a:hover .guide-text { text-decoration: underline; }
.guide-tag { flex-shrink: 0; padding: 1px 7px; font: var(--weight-bold) 11px var(--font-mono); letter-spacing: .04em; border: var(--stroke-mid) solid var(--border); border-radius: var(--radius-ctl); background: var(--bg-panel); color: var(--text); }
.topbar { background: var(--bg); color: var(--text); }
.header-shell {
  max-width: min(100%, calc(var(--header-content) + var(--gutter) * 2));
  margin-inline: auto; padding-inline: var(--gutter);
  display: flex; align-items: center; height: 72px; gap: 24px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; text-decoration: none; }
.brand-mark { width: 32px; height: 32px; flex-shrink: 0; }
.brand-name { font: var(--weight-display) 19px var(--font-display); letter-spacing: -.03em; }
.mainnav { display: flex; align-items: center; gap: 6px; min-width: 0; margin-left: auto; }
.mainnav-list { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.navlink, .navmore > summary {
  position: relative; display: inline-flex; align-items: center; gap: 6px;
  min-height: 40px; padding: 8px 14px; font-size: 15px;
  font-weight: var(--weight-semibold); text-decoration: none; border-radius: var(--radius-ctl);
}
.navlink:hover, .navmore > summary:hover { background: var(--bg-panel); color: var(--text); }
.navlink[aria-current="page"]::after { content: ""; position: absolute; left: 14px; right: 14px; bottom: 4px; height: 3px; background: var(--accent); border-radius: var(--radius-mark); }
.navmore { position: relative; }
.navmore > summary { list-style: none; }
.navmore > summary::-webkit-details-marker { display: none; }
.navmore > summary svg { width: 12px; height: 12px; }
.navmore[open] > summary { background: var(--bg-panel); color: var(--text); }
.navmore[open] > summary .chevron { transform: rotate(180deg); }
.header-tools { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.nav-sep { width: var(--stroke-mid); height: 22px; background: var(--border); margin-right: 10px; border-radius: var(--radius-mark); }
.lang > summary { min-height: 38px; border: var(--stroke-mid) solid var(--border); background: var(--bg-panel); color: var(--text); white-space: nowrap; }
.lang > summary .globe { width: 16px; height: 16px; }
.lang-short { display: none; }
.dropcard { position: absolute; right: 0; top: calc(100% + 12px); z-index: 60; min-width: 232px; padding: 8px; background: var(--bg-panel); color: var(--text); border: var(--stroke) solid var(--border); border-radius: var(--radius-card); box-shadow: var(--shadow-hard-md); }
.dropcard a { display: block; min-height: 44px; padding: 9px 12px; border-radius: var(--radius-ctl); text-decoration: none; }
.dropcard a:hover, .dropcard a[aria-current] { background: var(--bg-panel-2); color: var(--text); }
.dropcard strong { display: block; font-size: 14.5px; font-weight: var(--weight-bold); }
.dropcard span { display: block; font-size: 12.5px; color: var(--text-muted); line-height: 1.45; }
.menu-toggle { display: none; justify-content: center; align-items: center; min-width: 44px; min-height: 44px; padding: 8px; background: var(--bg-panel); color: var(--text); border: var(--stroke-mid) solid var(--border); border-radius: var(--radius-ctl); }
.menu-toggle svg { width: 22px; height: 22px; }
.mobile-drawer { display: none; }
.menu-veil { position: fixed; inset: 0; z-index: 30; border: 0; background: var(--veil); color: var(--text); }

/* Approved first-screen composition: no texture, no added gradients. */
.hero { padding-top: 40px; padding-bottom: 92px; overflow-x: clip; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0 0 18px; padding: 0; }
.chip { display: inline-flex; align-items: center; gap: 7px; min-height: 28px; padding: 2px 11px; max-width: 100%; font-size: 13px; font-weight: var(--weight-semibold); letter-spacing: -.005em; background: var(--bg-panel); color: var(--text); border: var(--stroke-mid) solid var(--border); border-radius: var(--radius-ctl); }
.chip-lead { background: var(--bg-panel-2); color: var(--text); }
.chip code { font-size: 12px; font-weight: var(--weight-semibold); }
.hero-title { margin: 0 0 14px; font-family: var(--font-display); font-weight: var(--weight-display); font-size: var(--title-display); line-height: 1.1; letter-spacing: -.02em; color: var(--text); }
.hero-title .line { display: block; }
.hl { position: relative; z-index: 0; white-space: nowrap; }
.hl::after { content: ""; position: absolute; z-index: -1; left: -.04em; right: -.06em; bottom: .04em; height: .32em; background: var(--accent); border-radius: var(--radius-mark); }
.hero-lede { margin: 0 0 24px; max-width: 960px; font-size: var(--text-lede); line-height: 1.6; color: var(--text-muted); }
.hero-lede strong { color: var(--text); font-weight: var(--weight-bold); }
.plat-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 26px; list-style: none; margin: 0; padding: 0; }
.plat-label { font: var(--weight-semibold) 12px var(--font-mono); color: var(--text-muted); letter-spacing: .02em; padding-right: 18px; border-right: var(--stroke-mid) solid var(--border); line-height: 1; }
.plat { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: var(--weight-semibold); text-decoration: none; line-height: 22px; }
.plat svg { width: 18px; height: 18px; }
.plat:hover { text-decoration: underline; }
.device { position: relative; margin: 56px 12px 0 0; }
.appwin { position: relative; background: var(--bg-panel); color: var(--text); border: var(--stroke) solid var(--border); border-radius: var(--radius-card); box-shadow: var(--shadow-hard-lg); overflow: hidden; }
.appwin-bar { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; height: 44px; padding: 0 16px; background: var(--bg-status); color: var(--text); border-bottom: var(--stroke-mid) solid var(--border); }
.dots { display: flex; gap: 8px; }
.dots i { flex-shrink: 0; width: 12px; height: 12px; border-radius: var(--radius-round); border: var(--stroke-mid) solid var(--border); background: var(--bg-panel); color: var(--text); }
.appwin-title { font: var(--weight-semibold) 13px var(--font-mono); letter-spacing: -.01em; }
.appwin-body { display: grid; grid-template-columns: 26% minmax(0, 1fr); }
.cat { padding: 14px 12px 18px; border-right: var(--stroke-hair) solid var(--border); background: var(--bg-panel); color: var(--text); }
.cat-label { margin: 0 0 6px; padding: 0 12px; font: var(--weight-semibold) 11px var(--font-mono); letter-spacing: .06em; color: var(--text-muted); }
.cat-list { list-style: none; margin: 0; padding: 0; }
.cat-item { position: relative; display: flex; align-items: center; gap: 10px; min-height: 40px; padding: 8px 12px 8px 14px; margin-bottom: 2px; font-size: 14px; font-weight: var(--weight-medium); border-radius: var(--radius-ctl); }
.cat-item svg { width: 16px; height: 16px; color: var(--text-muted); }
.cat-item.is-sel { background: var(--bg-panel-2); color: var(--text); font-weight: var(--weight-bold); }
.cat-item.is-sel svg { color: var(--text); }
.cat-item.is-sel::before { content: ""; position: absolute; left: 0; top: 7px; bottom: 7px; width: 4px; background: var(--accent); border-radius: var(--radius-mark); }
.pane { padding: 6px 32px 8px; }
.pane-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; min-height: 48px; padding-top: 12px; border-bottom: var(--stroke-mid) solid var(--border); }
.pane-head h2 { margin: 0; font-size: 17px; font-weight: var(--weight-heavy); }
.crumb { font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); }
.setlist { list-style: none; margin: 0; padding: 0; }
.setrow { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 46px; border-bottom: var(--stroke-hair) solid var(--line-soft); }
.setrow:last-child { border-bottom: 0; }
.setname { font-size: 14.5px; font-weight: var(--weight-medium); }
.setname code { font-size: 12.5px; font-weight: var(--weight-medium); color: var(--text-muted); margin-left: 6px; }
.tg { position: relative; flex-shrink: 0; width: 42px; height: 24px; border: var(--stroke-mid) solid var(--border); border-radius: var(--radius-round); background: var(--bg-panel); color: var(--text); }
.tg::after { content: ""; position: absolute; top: 3px; left: 3px; width: 14px; height: 14px; border-radius: var(--radius-round); background: var(--border); }
.tg.is-on { background: var(--border); color: var(--text-inverse); }
.tg.is-on::after { left: auto; right: 3px; background: var(--bg-panel); }
.field { font: var(--weight-semibold) 13px var(--font-mono); min-width: 104px; min-height: 30px; padding: 2px 12px; display: inline-flex; align-items: center; background: var(--bg-panel); color: var(--text); border: var(--stroke-mid) solid var(--border); border-radius: var(--radius-ctl); }
.seg { display: inline-flex; flex-shrink: 0; max-width: 100%; border: var(--stroke-mid) solid var(--border); border-radius: var(--radius-ctl); overflow-x: auto; background: var(--bg-panel); color: var(--text); }
.seg span { display: inline-flex; flex-shrink: 0; align-items: center; min-height: 28px; padding: 2px 13px; font-size: 13px; font-weight: var(--weight-semibold); }
.seg span + span { border-left: var(--stroke-mid) solid var(--border); }
.seg.is-mono span { font-family: var(--font-mono); font-size: 12.5px; }
.seg span.is-sel { background: var(--border); color: var(--text-inverse); }
.statusbar { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 28px; padding: 10px 18px; background: var(--bg-status); color: var(--text-muted); border-top: var(--stroke-mid) solid var(--border); font-family: var(--font-mono); font-size: 12px; }
.statusbar span { display: inline-flex; align-items: center; gap: 8px; }
.statusbar b { color: var(--text); font-weight: var(--weight-semibold); }
.dot-ok { width: 8px; height: 8px; border-radius: var(--radius-round); background: var(--success); }
.rulecard { position: absolute; z-index: 3; right: 44px; top: -100px; width: 330px; max-width: 100%; background: var(--bg-panel); color: var(--text); border: var(--stroke-mid) solid var(--border); border-radius: var(--radius-card); box-shadow: var(--shadow-float); transform: rotate(-1.2deg); }
.rulecard-head { display: flex; align-items: center; justify-content: space-between; padding: 10px 14px; gap: 10px; border-bottom: var(--stroke-hair) solid var(--line-soft); }
.rulecard-head strong { font-size: 13.5px; font-weight: var(--weight-bold); letter-spacing: -.01em; }
.rulecard-state { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: var(--weight-semibold); color: var(--text-muted); }
.rulecard pre { margin: 10px; padding: 10px 12px; font-size: 12.5px; }
.rulecard .s { color: var(--accent-dark); }
.rulecard .p { color: var(--text-muted); }
.next { background: var(--bg-panel); color: var(--text); padding-top: 96px; padding-bottom: 120px; }
.next h2 { margin: 0 0 14px; max-width: 820px; }
.next > .shell > p { margin: 0; max-width: 720px; font-size: 16.5px; color: var(--text-muted); }

/* Footer */
.site-footer { background: var(--bg-panel-2); color: var(--text); border-top: var(--stroke) solid var(--border); padding-top: 64px; padding-bottom: 28px; }
.footer-grid { display: grid; grid-template-columns: 1.35fr 1fr 1.4fr; gap: 48px; }
.footer-intro p { max-width: 380px; margin-top: 20px; color: var(--text-muted); }
.footer-heading { font-size: 16px; margin: 0 0 16px; font-weight: var(--weight-heavy); }
.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links a { display: block; padding-block: 5px; text-decoration: none; }
.footer-links a:hover { text-decoration: underline; }
.footer-languages { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: 40px; }
.footer-languages a { padding-block: 8px; }
.footer-languages a[aria-current] { font-weight: var(--weight-bold); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; margin-top: 24px; padding-top: 24px; border-top: var(--stroke-hair) solid var(--border); font-size: 13px; color: var(--text-muted); }
.footer-legal { display: flex; flex-wrap: wrap; gap: 20px; }

@media (max-width: 1100px) {
  .rulecard { right: 24px; width: 300px; }
}
@media (max-width: 1000px) {
  .header-shell { gap: 12px; }
  .mainnav { display: none; }
  .header-tools { margin-left: auto; }
  .menu-toggle { display: inline-flex; }
  .nav-sep { display: none; }
  .mobile-drawer:not([hidden]) {
    display: block; position: absolute; top: 100%; left: 0; right: 0; z-index: 55;
    padding: 16px var(--gutter) 24px; max-height: calc(100dvh - 112px);
    overflow-y: auto; overscroll-behavior: contain;
    background: var(--bg-panel); color: var(--text); border-bottom: var(--stroke) solid var(--border);
  }
  .mobile-drawer ul { list-style: none; padding: 0; margin: 0; }
  .mobile-drawer a { display: flex; align-items: center; width: 100%; min-height: 46px; padding: 10px 14px; text-decoration: none; border-radius: var(--radius-ctl); }
  .mobile-drawer a:hover, .mobile-drawer a[aria-current] { background: var(--bg-panel-2); color: var(--text); }
  .drawer-languages { margin-top: 16px; padding-top: 16px; border-top: var(--stroke-mid) solid var(--border); }
}
@media (max-width: 900px) {
  .appwin-body { grid-template-columns: minmax(0, 1fr); }
  .cat { border-right: 0; border-bottom: var(--stroke-hair) solid var(--border); padding: 10px; }
  .cat-label { display: none; }
  .cat-list { display: flex; gap: 6px; overflow-x: auto; }
  .cat-item { flex-shrink: 0; min-height: 34px; font-size: 13px; }
  .rulecard { position: relative; right: auto; top: auto; width: auto; margin: 0 0 20px; transform: none; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; }
  .footer-intro { grid-column: 1 / -1; }
}
@media (max-width: 768px) {
  h1, .hero-title { font-size: clamp(24px, 4vw, 30px); }
}
@media (max-width: 640px) {
  :root { --gutter: 16px; --section-space: 64px; }
  .hero { padding-top: 28px; padding-bottom: 64px; }
  .hero-lede { font-size: 16px; }
  .btn { min-height: 46px; padding: 8px 18px; font-size: 15px; }
  .pane { padding: 4px 16px 8px; }
  .setrow { flex-wrap: wrap; gap: 8px; padding-block: 10px; }
  .seg span { padding-inline: 9px; font-size: 12px; }
  .plat-label { border-right: 0; padding-right: 0; width: 100%; }
  .plat-row { gap: 10px 18px; }
  .device { margin-right: 8px; }
  .appwin { box-shadow: var(--shadow-hard-sm); }
  .appwin-bar { grid-template-columns: auto 1fr; gap: 10px; padding-inline: 10px; }
  .appwin-title { text-align: right; font-size: 11px; }
  .dots { gap: 5px; }
  .dots i { width: 9px; height: 9px; }
  .crumb { display: none; }
  .tilt, .rulecard, [data-tilt] { transform: none; }
  .card-grid, .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .card, .panel { padding: 20px; }
  .brand-name { font-size: 16px; }
  .brand { gap: 7px; }
  .brand-mark { width: 28px; height: 28px; }
  .header-shell { gap: 8px; }
  .header-tools { gap: 8px; margin-left: auto; }
  .lang > summary { padding-inline: 10px; }
  .lang-long { display: none; }
  .lang-short { display: inline; }
  .lang > summary .globe { display: none; }
  .guide-strip a { font-size: 12px; line-height: 1.5; }
  .dropcard { min-width: 200px; }
  .next { padding-top: 64px; padding-bottom: 72px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .reveal-pending .reveal:not(.shown) { opacity: 1; transform: none; }
  .btn:hover { transform: none; }
}