/* claritytao.com — 玄門 XUAN GATE design system (方案A)
   Layout concept: a dark gate of mist and light; quiet reading columns framed by HUD corner brackets. */
@layer reset, tokens, base, layout, components, reader, forms, utilities, motion;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
  body, h1, h2, h3, h4, p, figure, blockquote, dl, dd, ol, ul { margin: 0; }
  ul[role="list"], ol[role="list"] { list-style: none; padding: 0; }
  img, svg, canvas { display: block; max-inline-size: 100%; }
  input, button, textarea, select { font: inherit; color: inherit; }
  button { cursor: pointer; }
  [hidden] { display: none !important; }
  summary { cursor: pointer; }
  summary::-webkit-details-marker { display: none; }
}

@layer tokens {
  :root {
    color-scheme: dark;
    --bg: #070A14; --bg-2: #0C1120; --bg-3: #121A2E;
    --surface: rgba(16, 22, 40, .62); --surface-solid: #0E1424;
    --fg: #E9E6DC; --fg-2: #B2B7C6; --fg-3: #7E8597;
    --line: rgba(200, 210, 235, .14); --line-strong: rgba(200, 210, 235, .32);
    --cinnabar: #E2553F; --cinnabar-ink: #140A08; --seal-ink: #FFF8F0;
    --azure: #4CC9D9; --violet: #8B7CF8; --gold: #D9B86B;
    --glow-azure: rgba(76, 201, 217, .35); --glow-violet: rgba(139, 124, 248, .30);
    --ok: #5FCB8A; --warn: #E0B35A; --err: #F07B6A;
    --neb-1: rgba(139, 124, 248, .18); --neb-2: rgba(76, 201, 217, .12); --neb-3: rgba(226, 85, 63, .08);
    --cloud-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 40'%3E%3Cpath d='M30 30q4 2 8 0A7 7 0 1 1 50 22A10 10 0 1 1 70 22A7 7 0 1 1 82 30q4 2 8 0M56 22a4 4 0 1 1 8 0a2 2 0 1 1-4 0' fill='none' stroke='%23D9B86B' stroke-width='1.6'/%3E%3C/svg%3E");

    --font-body: "Noto Serif", "Noto Serif TC", Georgia, "Songti TC", "Hiragino Mincho ProN", "Yu Mincho", serif;
    --font-display: "Noto Serif Display", "Noto Serif", Georgia, serif;
    --font-zh: "Noto Serif TC", "Songti TC", "PMingLiU", "Hiragino Mincho ProN", serif;
    --font-hud: "Rajdhani", "Segoe UI", system-ui, sans-serif;

    --fs-hud: clamp(.70rem, .66rem + .15vw, .78rem);
    --fs-sm: clamp(.875rem, .85rem + .15vw, .95rem);
    --fs-md: clamp(1.0625rem, 1rem + .3vw, 1.1875rem);
    --fs-read: clamp(1.125rem, 1.05rem + .4vw, 1.3125rem);
    --fs-zh: clamp(1.25rem, 1.1rem + .6vw, 1.5rem);
    --fs-lg: clamp(1.25rem, 1.15rem + .5vw, 1.5rem);
    --fs-xl: clamp(1.75rem, 1.4rem + 1.4vw, 2.5rem);
    --fs-2xl: clamp(2.5rem, 1.8rem + 3vw, 4.25rem);
    --fs-hero: clamp(7rem, 26vw, 19rem);
    --lh: 1.65;

    --maxw: 72rem; --maxw-wide: 88rem; --measure: 65ch;
    --gutter: clamp(1rem, 4vw, 2.5rem);
    --s1: .25rem; --s2: .5rem; --s3: .75rem; --s4: 1rem; --s5: 1.5rem; --s6: 2rem; --s7: 3rem; --s8: 4.5rem;
    --sec: clamp(3rem, 7vw, 6.5rem);
    --header-h: 64px; --hud-h: 30px;
    --radius: 2px;
    --ease: cubic-bezier(.2, .7, .2, 1);
  }
  @media (prefers-color-scheme: light) {
    :root:not([data-theme="dark"]) {
      color-scheme: light;
      --bg: #EEF0F4; --bg-2: #E5E8EE; --bg-3: #FFFFFF;
      --surface: rgba(255, 255, 255, .72); --surface-solid: #F7F8FA;
      --fg: #141828; --fg-2: #474D63; --fg-3: #596176;
      --line: rgba(20, 24, 40, .14); --line-strong: rgba(20, 24, 40, .32);
      --cinnabar: #C8402C; --cinnabar-ink: #FFFFFF;
      --azure: #096978; --violet: #5847C9; --gold: #745516;
      --glow-azure: rgba(14, 127, 142, .22); --glow-violet: rgba(88, 71, 201, .18);
      --ok: #1F7A47; --warn: #8A6410; --err: #B4321F;
      --neb-1: rgba(88, 71, 201, .10); --neb-2: rgba(14, 127, 142, .08); --neb-3: rgba(200, 64, 44, .05);
      --cloud-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 40'%3E%3Cpath d='M30 30q4 2 8 0A7 7 0 1 1 50 22A10 10 0 1 1 70 22A7 7 0 1 1 82 30q4 2 8 0M56 22a4 4 0 1 1 8 0a2 2 0 1 1-4 0' fill='none' stroke='%238E6D1F' stroke-width='1.6'/%3E%3C/svg%3E");
    }
  }
  :root[data-theme="light"] {
    color-scheme: light;
    --bg: #EEF0F4; --bg-2: #E5E8EE; --bg-3: #FFFFFF;
    --surface: rgba(255, 255, 255, .72); --surface-solid: #F7F8FA;
    --fg: #141828; --fg-2: #474D63; --fg-3: #596176;
    --line: rgba(20, 24, 40, .14); --line-strong: rgba(20, 24, 40, .32);
    --cinnabar: #C8402C; --cinnabar-ink: #FFFFFF;
    --azure: #096978; --violet: #5847C9; --gold: #745516;
    --glow-azure: rgba(14, 127, 142, .22); --glow-violet: rgba(88, 71, 201, .18);
    --ok: #1F7A47; --warn: #8A6410; --err: #B4321F;
    --neb-1: rgba(88, 71, 201, .10); --neb-2: rgba(14, 127, 142, .08); --neb-3: rgba(200, 64, 44, .05);
    --cloud-svg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 40'%3E%3Cpath d='M30 30q4 2 8 0A7 7 0 1 1 50 22A10 10 0 1 1 70 22A7 7 0 1 1 82 30q4 2 8 0M56 22a4 4 0 1 1 8 0a2 2 0 1 1-4 0' fill='none' stroke='%238E6D1F' stroke-width='1.6'/%3E%3C/svg%3E");
  }
  /* language-specific type */
  .cjk { --lh: 1.9; --font-body: "Noto Serif TC", "Songti TC", "PMingLiU", serif; --font-display: "Noto Serif TC", serif; }
  .lang-ja { --font-body: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif; --font-display: "Noto Serif JP", serif; }
  .lang-ar { --lh: 1.9; --font-body: "Noto Naskh Arabic", "Noto Serif TC", serif; --font-display: "Amiri", "Noto Naskh Arabic", serif;
    --fs-md: clamp(1.125rem, 1.06rem + .3vw, 1.25rem); }
}

@layer base {
  html { font-size: 100%; scroll-padding-block-start: calc(var(--header-h) + 1rem); }
  body {
    background: var(--bg); color: var(--fg);
    font-family: var(--font-body); font-size: var(--fs-md); line-height: var(--lh);
    font-weight: 400; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
    min-block-size: 100vh; overflow-x: hidden;
  }
  @supports (min-block-size: 100dvh) { body { min-block-size: 100dvh; } }
  h1, h2, h3 { font-family: var(--font-display); line-height: 1.2; text-wrap: balance; }
  h1 { font-size: var(--fs-2xl); font-weight: 300; letter-spacing: -.01em; }
  h2 { font-size: var(--fs-xl); font-weight: 400; }
  h3 { font-size: var(--fs-lg); font-weight: 600; }
  p, li { text-wrap: pretty; }
  a { color: var(--azure); text-decoration: underline; text-underline-offset: .18em; text-decoration-thickness: 1px; }
  a:hover { text-decoration-thickness: 2px; }
  :focus-visible { outline: 2px solid var(--azure); outline-offset: 2px; border-radius: var(--radius); }
  ::selection { background: var(--cinnabar); color: var(--cinnabar-ink); }
  strong { font-weight: 600; }
  em.no-italic { font-style: normal; text-decoration: underline dotted var(--fg-3); text-underline-offset: .25em; }
  hr { border: 0; border-block-start: 1px solid var(--line); }
  [lang="zh-Hant"] { font-family: var(--font-zh); }
  main:focus, [tabindex="-1"]:focus { outline: none; }
}

@layer layout {
  .wrap { inline-size: 100%; max-inline-size: calc(var(--maxw) + 2 * var(--gutter)); margin-inline: auto; padding-inline: var(--gutter); }
  .wrap-wide { max-inline-size: calc(var(--maxw-wide) + 2 * var(--gutter)); }
  .skip-link { position: absolute; inset-inline-start: var(--s4); inset-block-start: -10rem; z-index: 100; background: var(--cinnabar); color: var(--cinnabar-ink); padding: var(--s2) var(--s4); }
  .skip-link:focus { inset-block-start: var(--s2); }

  /* HUD bar */
  .hud-bar { block-size: var(--hud-h); border-block-end: 1px solid var(--line); background: var(--bg-2); position: relative; z-index: 31; }
  .hud-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--s4); block-size: 100%; }
  .hud-date { display: flex; align-items: center; gap: var(--s2); color: var(--fg-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-inline-size: 0; }
  .hud-dot { inline-size: 6px; block-size: 6px; border-radius: 50%; background: var(--azure); box-shadow: 0 0 8px var(--glow-azure); flex: none; }
  .hud-controls { display: flex; align-items: center; gap: var(--s2); flex: none; }
  .hud-btn { display: inline-flex; align-items: center; gap: var(--s1); background: none; border: 0; padding: 2px var(--s2); color: var(--fg-2);
    font-family: var(--font-hud); font-weight: 600; font-size: var(--fs-hud); letter-spacing: .1em; text-transform: uppercase; list-style: none; }
  .hud-btn:hover { color: var(--fg); }
  .hud-btn .icon { inline-size: 14px; block-size: 14px; }

  /* header */
  .site-header { position: sticky; inset-block-start: env(safe-area-inset-top, 0px); z-index: 30; block-size: var(--header-h);
    background: var(--bg); border-block-end: 1px solid transparent; transition: border-color .2s; }
  .site-header.scrolled { border-block-end-color: var(--line); }
  .header-inner { display: flex; align-items: center; gap: var(--s5); block-size: 100%; }
  .brand { display: inline-flex; align-items: center; gap: var(--s3); color: var(--fg); text-decoration: none; flex: none; }
  .brand-logo { inline-size: 48px; block-size: 48px; flex: none; object-fit: contain; }
  .brand-name { display: flex; flex-direction: column; line-height: 1.1; font-size: .72rem; }
  .brand-name span:first-child { color: var(--fg); font-size: .82rem; }
  .nav-desktop { margin-inline-start: auto; }
  .nav-desktop > ul { display: flex; gap: var(--s2); align-items: center; }
  .nav-group > summary { font-family: var(--font-hud); font-weight: 600; text-transform: uppercase; letter-spacing: .12em; font-size: .82rem;
    color: var(--fg-2); padding: var(--s2) var(--s3); list-style: none; display: inline-flex; gap: var(--s1); align-items: center; }
  .nav-group > summary::after { content: ""; inline-size: 6px; block-size: 6px; border-right: 1px solid currentColor; border-bottom: 1px solid currentColor; transform: rotate(45deg) translateY(-2px); } /* physical-ok: chevron points down in both directions */
  .nav-group[data-active] > summary { color: var(--fg); box-shadow: inset 0 -2px 0 var(--cinnabar); }
  .nav-group > summary:hover { color: var(--fg); }
  .header-donate { flex: none; }
  .menu-mobile { display: none; margin-inline-start: auto; }
  .menu-btn { list-style: none; display: grid; place-items: center; inline-size: 44px; block-size: 44px; border: 1px solid var(--line-strong); border-radius: var(--radius); color: var(--fg); }
  .menu-panel { position: fixed; inset-inline: 0; inset-block-start: calc(var(--header-h) + var(--hud-h)); inset-block-end: 0; z-index: 40;
    background: var(--bg); overflow-y: auto; padding: var(--s5) var(--gutter) calc(var(--s7) + env(safe-area-inset-bottom, 0px)); display: grid; gap: var(--s5); align-content: start; }
  .menu-group ul { display: grid; gap: var(--s1); margin-block-start: var(--s2); }
  .menu-group a { display: block; padding-block: var(--s2); font-size: var(--fs-lg); color: var(--fg); text-decoration: none; border-block-end: 1px solid var(--line); }
  .menu-group a[aria-current="page"] { color: var(--cinnabar); }
  @media (max-width: 64rem) {
    .nav-desktop, .header-donate { display: none; }
    .menu-mobile { display: block; }
  }
  @media (max-width: 36rem) {
    :root { --header-h: 60px; }
    .header-inner { gap: var(--s3); }
    .brand { gap: var(--s2); }
    .brand-logo { inline-size: 44px; block-size: 44px; }
    .brand-name { font-size: .64rem; letter-spacing: .06em; }
    .brand-name span:first-child { font-size: .72rem; }
  }

  /* footer */
  .site-footer { margin-block-start: var(--sec); background: var(--bg-2); padding-block: 0 calc(var(--s6) + env(safe-area-inset-bottom, 0px)); }
  .site-footer .cloud-divider { transform: translateY(-50%); }
  .footer-grid { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: var(--s6); padding-block: var(--s4) var(--s6); }
  .footer-grid ul { display: grid; gap: var(--s2); margin-block-start: var(--s3); }
  .footer-grid a { color: var(--fg-2); text-decoration: none; font-size: var(--fs-sm); }
  .footer-grid a:hover { color: var(--azure); }
  .footer-about { display: grid; gap: var(--s3); align-content: start; max-inline-size: 28rem; }
  .footer-brand { display: flex; gap: var(--s3); align-items: center; }
  .footer-logo { inline-size: 80px; block-size: 80px; }
  .footer-h { color: var(--gold); }
  .footer-bottom { display: flex; flex-wrap: wrap; gap: var(--s3) var(--s6); justify-content: space-between; border-block-start: 1px solid var(--line); padding-block-start: var(--s4); color: var(--fg-3); }
  .footer-langs a { color: var(--fg-2); text-decoration: none; }
  @media (max-width: 48rem) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-about { grid-column: 1 / -1; } }

  /* pages */
  .page-wrap { padding-block-start: var(--s7); }
  .page-head { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--s3); padding-block-end: var(--s6); margin-block-end: var(--s6); border-block-end: 1px solid var(--line); position: relative; }
  .page-head > h1 { overflow-wrap: anywhere; hyphens: auto; }
  .page-head .lead { max-inline-size: 48rem; }
  .page-head > .trigram, .page-head > .seal { position: absolute; inset-inline-end: 0; inset-block-start: 0; }
  .page-head > .trigram { fill: var(--gold); opacity: .8; }
  .page-head > h1, .page-head > .kicker, .page-head > .lead { padding-inline-end: 5rem; }
  .lead { font-size: var(--fs-lg); color: var(--fg-2); line-height: 1.55; }
  .kicker { color: var(--gold); }
  .prose { max-inline-size: var(--measure); display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--s4); }
  .prose > *, .prose-wide > * { min-inline-size: 0; }
  .cjk .prose { max-inline-size: 40em; }
  .prose > h2 { margin-block-start: var(--s6); padding-inline-start: var(--s4); border-inline-start: 2px solid var(--gold); font-size: clamp(1.5rem, 1.3rem + 1vw, 2rem); }
  .prose > h3 { margin-block-start: var(--s4); }
  .prose ul, .prose ol { padding-inline-start: 1.4em; display: grid; gap: var(--s2); }
  .prose li::marker { color: var(--gold); }
  .prose-wide { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--s5); }
  .prose-wide > h2 { margin-block-start: var(--sec); }
  .prose-wide > p, .prose-wide > ul { max-inline-size: var(--measure); }
  .prose-wide > ul { padding-inline-start: 1.4em; display: grid; gap: var(--s2); }
  .prose-wide li::marker { color: var(--gold); }
}

@layer components {
  .hud { font-family: var(--font-hud); font-weight: 600; font-size: var(--fs-hud); letter-spacing: .14em; text-transform: uppercase; line-height: 1.4; }
  .muted { color: var(--fg-2); }
  .small { font-size: var(--fs-sm); }
  .num, .mono { font-variant-numeric: tabular-nums; font-family: var(--font-hud); letter-spacing: .04em; }
  .icon { inline-size: 1.1em; block-size: 1.1em; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; flex: none; }
  [dir="rtl"] .icon-arrow { transform: scaleX(-1); }

  /* buttons */
  .btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--s2); min-block-size: 44px; padding-inline: 1.25rem;
    border-radius: var(--radius); border: 1px solid transparent; text-decoration: none; font-family: var(--font-hud); font-weight: 600;
    letter-spacing: .08em; text-transform: uppercase; font-size: .9rem; line-height: 1; transition: box-shadow .16s, border-color .16s, background-color .16s, transform .16s; }
  .btn-primary { background: var(--cinnabar); color: var(--cinnabar-ink); }
  @media (max-width: 64rem) { .header-donate { display: none; } }
  .btn-primary:hover { box-shadow: 0 0 0 1px var(--cinnabar), 0 0 32px -6px var(--cinnabar); text-decoration: none; }
  .btn-ghost { background: transparent; color: var(--fg); border-color: var(--line-strong); }
  .btn-ghost:hover { border-color: var(--azure); color: var(--fg); }
  .btn-sm { min-block-size: 36px; padding-inline: var(--s4); font-size: .8rem; }
  .btn-lg { min-block-size: 52px; padding-inline: 1.6rem; font-size: 1rem; }
  .btn-disabled, .btn[disabled] { opacity: .5; cursor: not-allowed; background: var(--bg-3); color: var(--fg-2); border-color: var(--line); }
  .btn-icon { display: inline-grid; place-items: center; inline-size: 36px; block-size: 36px; border: 1px solid var(--line); background: transparent; color: var(--fg-2); border-radius: var(--radius); }
  .btn-icon:hover { color: var(--azure); border-color: var(--azure); }
  .link-more { display: inline-flex; align-items: center; gap: var(--s2); font-family: var(--font-hud); font-weight: 600; letter-spacing: .1em; text-transform: uppercase; font-size: .85rem; text-decoration: none; }

  /* panels, cards, corner brackets */
  .panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: var(--s5); }
  @supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) { .panel, .card { -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); } }
  .corners, .card { position: relative; }
  .corners::before, .card::before {
    content: ""; position: absolute; inset: -1px; pointer-events: none;
    --c: var(--line-strong); --l: 10px;
    background:
      linear-gradient(var(--c), var(--c)) top left / var(--l) 1px no-repeat,
      linear-gradient(var(--c), var(--c)) top left / 1px var(--l) no-repeat,
      linear-gradient(var(--c), var(--c)) top right / var(--l) 1px no-repeat,
      linear-gradient(var(--c), var(--c)) top right / 1px var(--l) no-repeat,
      linear-gradient(var(--c), var(--c)) bottom left / var(--l) 1px no-repeat,
      linear-gradient(var(--c), var(--c)) bottom left / 1px var(--l) no-repeat,
      linear-gradient(var(--c), var(--c)) bottom right / var(--l) 1px no-repeat,
      linear-gradient(var(--c), var(--c)) bottom right / 1px var(--l) no-repeat;
  }
  .cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr)); gap: var(--s4); }
  .cards-3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr)); }
  .card { display: flex; flex-direction: column; gap: var(--s3); padding: var(--s5); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
    color: var(--fg); text-decoration: none; min-inline-size: 0; transition: transform .16s var(--ease), border-color .16s, box-shadow .16s; }
  a.card:hover { border-color: var(--line-strong); box-shadow: 0 0 40px -14px var(--glow-azure); transform: translateY(-2px); text-decoration: none; }
  a.card:hover::before { --c: var(--azure); }
  .card-title { font-size: var(--fs-lg); }
  .card p { color: var(--fg-2); font-size: var(--fs-sm); line-height: 1.6; }
  .card-more { margin-block-start: auto; display: inline-flex; gap: var(--s2); align-items: center; color: var(--azure); }
  .card-gua { fill: var(--gold); }
  .community-card .icon { inline-size: 28px; block-size: 28px; color: var(--azure); }
  .community-card .btn { margin-block-start: auto; align-self: start; }

  /* notices & quotes */
  .notice { border-inline-start: 2px solid var(--cinnabar); background: var(--surface); padding: var(--s4) var(--s5); display: grid; gap: var(--s2); border-radius: var(--radius); }
  .notice-label { color: var(--cinnabar); }
  .notice-inline { border-inline-start: 2px solid var(--gold); padding: var(--s2) var(--s4); background: var(--surface); margin-block: var(--s4); }
  .quote { border-inline-start: 1px solid var(--line-strong); padding-inline-start: var(--s5); position: relative; font-style: italic; color: var(--fg-2); }
  .quote::before { content: "“"; position: absolute; inset-inline-start: -.1em; inset-block-start: -.45em; font-size: 3rem; color: var(--gold); font-family: var(--font-display); }
  .cjk .quote, .lang-ar .quote { font-style: normal; }

  /* dropdowns */
  .dropdown { position: relative; }
  .dropdown > summary { list-style: none; }
  .dropdown-panel { position: absolute; inset-inline-end: 0; inset-block-start: calc(100% + 6px); min-inline-size: 12rem; z-index: 50;
    background: var(--surface-solid); border: 1px solid var(--line-strong); border-radius: var(--radius); padding: var(--s2); display: grid; gap: 2px;
    box-shadow: 0 18px 50px -20px rgba(0, 0, 0, .6); }
  .nav-group .dropdown-panel { inset-inline-end: auto; inset-inline-start: 0; }
  .dropdown-panel a { display: block; padding: var(--s2) var(--s3); color: var(--fg); text-decoration: none; border-radius: var(--radius); font-size: var(--fs-sm); }
  .dropdown-panel a:hover, .dropdown-panel a:focus-visible { background: var(--bg-3); color: var(--azure); }
  .dropdown-panel a[aria-current] { color: var(--cinnabar); }
  .dropdown-panel a[aria-current]::after { content: " ✓"; }
  .lang-menu .dropdown-panel { inset-block-start: calc(100% + 4px); }

  /* seal & taiji & trigram */
  .seal-bg { fill: var(--cinnabar); }
  .seal-frame { fill: none; stroke: var(--seal-ink); stroke-width: 1.5; opacity: .55; }
  .seal-char { fill: var(--seal-ink); font-family: "Noto Serif TC", "Songti TC", serif; font-weight: 600; font-size: 38px; text-anchor: middle; }
  .seal { color: var(--cinnabar); flex: none; }
  .tj-yang { fill: var(--bg); } .tj-yin { fill: var(--fg); } .tj-yang-dot { fill: var(--fg); } .tj-yin-dot { fill: var(--bg); }
  .tj-ring { fill: none; stroke: var(--line-strong); stroke-width: 1.5; }
  .trigram { fill: currentColor; }

  /* cloud divider */
  .cloud-divider { display: flex; align-items: center; gap: var(--s3); inline-size: 100%; }
  .cd-line { flex: 1; block-size: 1px; background: var(--line-strong); }
  .cd-stroke { fill: none; stroke: var(--gold); stroke-width: 1.4; stroke-linecap: round; }
  .cloud-divider svg { flex: none; }
  .ch-sep { border: 0; block-size: 32px; margin-block: var(--s6); background: var(--cloud-svg) center / 84px 28px no-repeat; position: relative; }
  .ch-sep::before, .ch-sep::after { content: ""; position: absolute; inset-block-start: 50%; block-size: 1px; inline-size: calc(50% - 56px); background: var(--line); }
  .ch-sep::before { inset-inline-start: 0; } .ch-sep::after { inset-inline-end: 0; }

  /* toast */
  .toast { position: fixed; inset-inline: 0; margin-inline: auto; inline-size: max-content; max-inline-size: calc(100% - 2rem);
    inset-block-end: calc(var(--s5) + env(safe-area-inset-bottom, 0px)); z-index: 60; background: var(--surface-solid); color: var(--fg);
    border: 1px solid var(--line-strong); padding: var(--s2) var(--s4); border-radius: var(--radius); font-family: var(--font-hud); letter-spacing: .08em; }

  /* contact & social */
  .contact-card { display: grid; gap: var(--s3); max-inline-size: 40rem; }
  .contact-card .hud { color: var(--gold); }
  .contact-email { display: flex; align-items: center; gap: var(--s2); flex-wrap: wrap; }
  .social-row { display: flex; flex-wrap: wrap; gap: var(--s2); }
  .social { display: inline-flex; align-items: center; gap: var(--s2); padding: var(--s2) var(--s3); border: 1px solid var(--line); border-radius: var(--radius); color: var(--fg); text-decoration: none; font-size: var(--fs-sm); }
  .social:hover { border-color: var(--azure); }
  .social.is-soon { opacity: .55; }
  .cta { display: grid; justify-items: center; gap: var(--s2); padding-block: var(--s5); text-align: center; }

  /* news */
  .news-list { display: grid; gap: var(--s4); }
  .news-item { display: grid; gap: var(--s2); padding-block: var(--s4); border-block-end: 1px solid var(--line); max-inline-size: var(--measure); }
  .news-item .hud { color: var(--gold); }
  .clamp-2 p { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; color: var(--fg-2); }
  .news-full .news-item p { color: var(--fg-2); }

  /* verify */
  .verify { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--s3); max-inline-size: 40rem; }
  .input-row { display: flex; gap: var(--s2); flex-wrap: wrap; }
  .input-row input { flex: 1 1 14rem; min-inline-size: 0; }
  .verify-result:empty { display: none; }
  .verify-result { border-block-start: 1px solid var(--line); padding-block-start: var(--s3); }
  .verify-result dl { display: grid; grid-template-columns: max-content 1fr; gap: var(--s1) var(--s4); }
  .verify-result dt { color: var(--fg-2); }
  .status { display: inline-block; padding: 0 var(--s2); border-radius: 999px; border: 1px solid currentColor; font-family: var(--font-hud); font-weight: 600; letter-spacing: .08em; text-transform: uppercase; font-size: .8rem; }
  .status-active { color: var(--azure); } .status-expired { color: var(--fg-3); } .status-suspended { color: var(--warn); } .status-withdrawn { color: var(--err); }

  /* search */
  .search { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--s3); }
  .search-box { display: flex; align-items: center; gap: var(--s2); border: 1px solid var(--line-strong); border-radius: var(--radius); background: var(--bg-3); padding-inline-start: var(--s3); }
  .search-box:focus-within { border-color: var(--azure); box-shadow: 0 0 0 3px var(--glow-azure); }
  .search-box .icon { color: var(--fg-3); }
  .search-box input { flex: 1; min-inline-size: 0; block-size: 56px; border: 0; background: transparent; font-size: var(--fs-md); outline: none; }
  .search-box .btn { margin: 6px; flex: none; }
  @media (max-width: 36rem) { .search-box .btn { padding-inline: var(--s3); } }
  .search-results { display: grid; gap: var(--s2); }
  .search-results a { display: grid; gap: var(--s1); padding: var(--s3) var(--s4); border: 1px solid var(--line); border-radius: var(--radius); color: var(--fg); text-decoration: none; background: var(--surface); }
  .search-results a:hover { border-color: var(--azure); }
  .search-results .hud { color: var(--gold); }
  .search-results .snip { color: var(--fg-2); font-size: var(--fs-sm); }
  mark { background: color-mix(in srgb, var(--cinnabar) 30%, transparent); color: var(--fg); padding-inline: 1px; }
  @supports not (background: color-mix(in srgb, red 50%, blue)) { mark { background: var(--cinnabar); color: var(--cinnabar-ink); } }

  /* library cards */
  .books { grid-template-columns: repeat(auto-fit, minmax(min(100%, 19rem), 1fr)); }
  .book-zh { font-family: var(--font-zh); font-size: var(--fs-xl); font-weight: 300; color: var(--fg); line-height: 1.2; }
  .book-sub { font-style: italic; }
  .cjk .book-sub, .lang-ar .book-sub { font-style: normal; }
  .book-foot { display: flex; justify-content: space-between; align-items: center; margin-block-start: auto; gap: var(--s3); }
  .book-foot .hud:first-child { color: var(--gold); }

  /* home */
  .hero { position: relative; overflow: hidden; isolation: isolate; padding-block: clamp(3rem, 8vw, 7rem) clamp(3rem, 7vw, 6rem); min-block-size: min(88vh, 56rem); display: grid; align-items: center; }
  @supports (min-block-size: 88svh) { .hero { min-block-size: min(88svh, 56rem); } }
  .hero::after { content: ""; position: absolute; inset-inline: 0; inset-block-end: 0; block-size: 35%; z-index: -1; pointer-events: none; background: linear-gradient(to bottom, transparent, var(--bg)); }
  .qi-canvas { position: absolute; inset: 0; inline-size: 100%; block-size: 100%; z-index: -2; }
  .hero-nebula { position: absolute; inset: 0; z-index: -3;
    background: radial-gradient(60% 50% at 70% 40%, var(--neb-1), transparent 70%), radial-gradient(40% 40% at 20% 70%, var(--neb-2), transparent 70%), radial-gradient(30% 30% at 85% 85%, var(--neb-3), transparent 70%); }
  .hero-ring { position: absolute; z-index: -1; inline-size: min(70vh, 720px, 92vw); aspect-ratio: 1; inset-block-start: 50%; inset-inline-end: -6%; transform: translateY(-50%); opacity: .55; display: grid; place-items: center; }
  .hero-ring > svg { position: absolute; inset: 0; inline-size: 100%; block-size: 100%; }
  .bagua-ring .br-line { fill: none; stroke: var(--line-strong); stroke-width: 1.2; }
  .bagua-ring .br-faint { stroke: var(--line); stroke-dasharray: 2 6; }
  .bagua-ring .br-gua { fill: var(--gold); opacity: .85; }
  .hero-ring-taiji { inline-size: 16%; opacity: .9; }
  .hero-ring-taiji .taiji { inline-size: 100%; block-size: auto; }
  .hero-inner { display: grid; grid-template-columns: 1fr auto; gap: var(--s6); align-items: center; }
  .hero-copy { display: grid; gap: var(--s4); max-inline-size: 46rem; min-inline-size: 0; }
  .hero-glyphs { font-family: var(--font-zh); font-weight: 200; font-size: var(--fs-hero); line-height: .9; letter-spacing: .04em; color: var(--fg);
    text-shadow: 0 0 60px var(--glow-violet), 0 0 2px var(--glow-azure); margin-inline-start: -.05em; }
  .hero h1 { font-size: var(--fs-xl); font-weight: 300; margin-block-start: var(--s3); }
  .hero-actions { display: flex; flex-wrap: wrap; gap: var(--s3); margin-block-start: var(--s2); }
  .hero-vertical { writing-mode: vertical-rl; font-family: var(--font-zh); letter-spacing: .3em; color: var(--fg-2); opacity: .75; font-size: var(--fs-sm); }
  @media (max-width: 48rem) {
    .hero-vertical { display: none; }
    .hero-inner { grid-template-columns: 1fr; }
    .hero-ring { inline-size: min(90vw, 420px); inset-inline-end: -25%; inset-block-start: 30%; opacity: .35; }
  }
  .home-body { padding-block-start: var(--s6); }
  .daily { display: grid; gap: var(--s3); max-inline-size: 52rem; }
  .daily-kicker { color: var(--gold); }
  .daily-zh { font-family: var(--font-zh); font-size: var(--fs-zh); line-height: 1.8; }
  .daily-en { color: var(--fg-2); font-size: var(--fs-read); line-height: 1.6; }

  /* hub */
  .hub-section { display: grid; gap: var(--s3); justify-items: center; text-align: center; margin-block-start: var(--sec); }
  .hub-section > p { max-inline-size: 40rem; }
  .hub { --R: min(15rem, 40vw); position: relative; inline-size: calc(2 * var(--R) + 9rem); max-inline-size: 100%; aspect-ratio: 1; margin-block-start: var(--s5); }
  .hub::before { content: ""; position: absolute; inset: 4.5rem; border: 1px solid var(--line); border-radius: 50%; }
  .hub-center { position: absolute; inset: 0; display: grid; place-items: center; pointer-events: none; }
  .hub-center .taiji { inline-size: 26%; block-size: auto; }
  .hub-list { position: absolute; inset: 0; }
  .hub-item { position: absolute; inset-block-start: 50%; inset-inline-start: 50%; --a: 0deg;
    transform: translate(-50%, -50%) rotate(var(--a)) translateY(calc(-1 * var(--R))) rotate(calc(-1 * var(--a))); }
  [dir="rtl"] .hub-item { transform: translate(50%, -50%) rotate(var(--a)) translateY(calc(-1 * var(--R))) rotate(calc(-1 * var(--a))); }
  .hub-pos-0 { --a: 0deg; } .hub-pos-1 { --a: 45deg; } .hub-pos-2 { --a: 90deg; } .hub-pos-3 { --a: 135deg; }
  .hub-pos-4 { --a: 180deg; } .hub-pos-5 { --a: 225deg; } .hub-pos-6 { --a: 270deg; } .hub-pos-7 { --a: 315deg; }
  .hub-item a { display: grid; justify-items: center; gap: 2px; inline-size: 7.5rem; padding: var(--s2); color: var(--fg); text-decoration: none; border-radius: var(--radius); border: 1px solid transparent; }
  .hub-item a:hover { border-color: var(--azure); background: var(--surface); }
  .hub-item .trigram { fill: var(--gold); }
  .hub-item a:hover .trigram { fill: var(--cinnabar); }
  .hub-zh { font-size: 1.1rem; }
  .hub-label { color: var(--fg-2); font-size: .68rem; }
  @media (max-width: 48rem) {
    .hub { aspect-ratio: auto; inline-size: 100%; }
    .hub::before, .hub-center { display: none; }
    .hub-list { position: static; display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s2); }
    .hub-item, [dir="rtl"] .hub-item { position: static; transform: none; }
    .hub-item a { inline-size: auto; border-color: var(--line); background: var(--surface); }
  }

  /* 404 & root */
  .nf { display: grid; gap: var(--s4); justify-items: start; padding-block: var(--sec); }
  .nf-mark .taiji, .root-mark .taiji { inline-size: 120px; block-size: 120px; }
  .page-root { display: grid; place-items: center; min-block-size: 100vh; }
  .root-gate { display: grid; gap: var(--s5); justify-items: center; padding: var(--s6) var(--gutter); text-align: center; }
  .root-langs { display: flex; flex-wrap: wrap; gap: var(--s2); justify-content: center; }
  .root-langs a { display: inline-block; padding: var(--s2) var(--s4); border: 1px solid var(--line-strong); color: var(--fg); text-decoration: none; border-radius: var(--radius); }
  .root-langs a:hover { border-color: var(--azure); }

  /* legal */
  .legal-ver { color: var(--fg-2); }
  .legal-grid { display: grid; grid-template-columns: minmax(0, 1fr) 16rem; gap: var(--s7); align-items: start; }
  .legal-toc { position: sticky; inset-block-start: calc(var(--header-h) + var(--s4)); padding: var(--s4); border: 1px solid var(--line); display: grid; gap: var(--s2); font-size: var(--fs-sm); max-block-size: calc(100vh - var(--header-h) - 2rem); overflow-y: auto; }
  .legal-toc ol { display: grid; gap: var(--s1); }
  .legal-toc a { color: var(--fg-2); text-decoration: none; }
  .legal-toc a:hover { color: var(--azure); }
  .legal-toc .hud { color: var(--gold); }
  .legal-body > h2 { font-size: var(--fs-lg); font-weight: 600; }
  .other-notices { margin-block-start: var(--s7); padding-block-start: var(--s5); border-block-start: 1px solid var(--line); display: grid; gap: var(--s3); }
  .h-small { font-size: var(--fs-lg); }
  .link-list { padding-inline-start: 1.2em; display: grid; gap: var(--s1); }
  @media (max-width: 64rem) { .legal-grid { grid-template-columns: 1fr; } .legal-toc { position: static; order: -1; max-block-size: none; } }
}

@layer reader {
  .reader { --read-scale: 1; padding-block-start: var(--s5); }
  .crumbs a { color: var(--fg-2); text-decoration: none; }
  .crumbs a::before { content: "← "; }
  [dir="rtl"] .crumbs a::before { content: "→ "; }
  .reader-head { display: grid; gap: var(--s3); padding-block: var(--s5) var(--s6); }
  .book-zh-big { font-family: var(--font-zh); font-weight: 300; font-size: clamp(3rem, 2rem + 5vw, 6.5rem); line-height: 1; letter-spacing: .06em;
    text-shadow: 0 0 50px var(--glow-violet); }
  .about-text { max-inline-size: 52rem; font-size: var(--fs-sm); color: var(--fg-2); }
  .about-text > summary { color: var(--azure); }
  .about-text[open] { display: grid; gap: var(--s3); }
  .about-text ul { padding-inline-start: 1.2em; display: grid; gap: var(--s2); }
  .reader-controls { position: sticky; inset-block-start: var(--header-h); z-index: 20; display: flex; flex-wrap: wrap; gap: var(--s3); justify-content: space-between; align-items: center;
    padding-block: var(--s3); margin-block-end: var(--s5); background: var(--bg); border-block-end: 1px solid var(--line); }
  .rc-right { display: flex; align-items: center; gap: var(--s2); }
  .segmented { display: inline-flex; flex-wrap: wrap; border: 1px solid var(--line-strong); border-radius: var(--radius); overflow: hidden; }
  .segmented button { border: 0; background: transparent; padding: var(--s2) var(--s3); font-family: var(--font-hud); font-weight: 600; letter-spacing: .06em; font-size: .8rem; text-transform: uppercase; color: var(--fg-2); min-block-size: 40px; }
  .segmented button + button { border-inline-start: 1px solid var(--line); }
  .segmented button[aria-checked="true"] { background: var(--cinnabar); color: var(--cinnabar-ink); }
  .switch { display: inline-flex; align-items: center; gap: var(--s2); font-family: var(--font-hud); font-weight: 600; letter-spacing: .06em; text-transform: uppercase; font-size: .8rem; color: var(--fg-2); }
  .switch input { inline-size: 18px; block-size: 18px; accent-color: var(--cinnabar); }
  .reader-grid { display: grid; grid-template-columns: 15rem minmax(0, 1fr); gap: var(--s7); align-items: start; }
  .reader-nav { position: sticky; inset-block-start: calc(var(--header-h) + 5rem); padding: var(--s4); border: 1px solid var(--line); display: grid; gap: var(--s3); max-block-size: calc(100vh - var(--header-h) - 6rem); overflow-y: auto; }
  .reader-nav .hud { color: var(--gold); }
  .reader-nav-m { display: none; margin-block-end: var(--s4); border: 1px solid var(--line); padding: var(--s3); }
  .reader-nav-m[open] > summary { margin-block-end: var(--s3); }
  .star-grid { display: grid; grid-template-columns: repeat(9, 1fr); gap: 3px; }
  .star-grid a { display: grid; place-items: center; aspect-ratio: 1; font-size: .72rem; color: var(--fg-2); text-decoration: none; border: 1px solid var(--line); border-radius: 1px; }
  .star-grid a:hover { border-color: var(--azure); color: var(--azure); }
  .star-grid a.read { color: var(--fg-3); background: var(--bg-3); }
  .star-grid a[aria-current="true"] { background: var(--cinnabar); color: var(--cinnabar-ink); border-color: var(--cinnabar); }
  .sec-list { display: grid; gap: 2px; }
  .sec-list a { display: flex; gap: var(--s2); align-items: baseline; padding: var(--s1) var(--s2); color: var(--fg-2); text-decoration: none; border-inline-start: 2px solid transparent; font-size: var(--fs-sm); }
  .sec-list a[aria-current="true"] { border-inline-start-color: var(--cinnabar); color: var(--fg); }
  .sec-list .num { color: var(--gold); flex: none; }
  .reader-main { min-inline-size: 0; }
  .ch { scroll-margin-block-start: calc(var(--header-h) + 5rem); }
  .ch-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: var(--s2) var(--s4); margin-block-end: var(--s4); }
  .ch-code { color: var(--gold); }
  .ch-title { display: flex; flex-wrap: wrap; gap: var(--s1) var(--s3); align-items: baseline; font-weight: 300; font-size: clamp(1.6rem, 1.3rem + 1vw, 2.2rem); }
  .ch-en { font-size: var(--fs-sm); color: var(--fg-2); font-family: var(--font-hud); letter-spacing: .1em; text-transform: uppercase; font-weight: 600; }
  .ch-copy { margin-inline-start: auto; }
  .sec-head { flex-basis: 100%; font-size: var(--fs-lg); }
  .ch-body { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: var(--s6); }
  .col-zh { font-family: var(--font-zh); font-size: calc(var(--fs-zh) * var(--read-scale)); line-height: 2; letter-spacing: .04em; }
  .col-zh .gap { display: inline-block; inline-size: .9em; }
  .col-en { font-family: "Noto Serif", Georgia, serif; font-size: calc(var(--fs-read) * var(--read-scale)); line-height: 1.75; display: grid; gap: var(--s3); align-content: start; }
  .tr-ours .l { margin: 0; }
  .tr-ours .l + .l { margin-block-start: .15em; }
  .sup { color: var(--fg-2); }
  .notes { font-size: var(--fs-sm); color: var(--fg-2); border-block-start: 1px solid var(--line); padding-block-start: var(--s2); }
  .notes > summary { color: var(--azure); }
  .notes ol { padding-inline-start: 1.4em; display: grid; gap: var(--s2); margin-block-start: var(--s2); }
  .tr-alt { border: 1px solid var(--line); border-radius: var(--radius); padding: var(--s2) var(--s3); background: var(--surface); }
  .tr-alt > summary { color: var(--fg-2); }
  .tr-alt[open] > summary { margin-block-end: var(--s2); color: var(--gold); }
  .alt-body { display: grid; gap: var(--s2); font-size: .95em; }
  .alt-title { font-style: italic; color: var(--gold); }
  .verse { display: grid; padding-inline-start: var(--s4); border-inline-start: 1px solid var(--line-strong); font-style: italic; }
  .verse .vnum { font-style: normal; color: var(--fg-3); font-size: .85em; }
  .alt-full { margin-block-start: var(--sec); display: grid; gap: var(--s4); }
  .reader[data-show]:not([data-show="ours"]) .tr-alt { border-color: var(--gold); }
  .js .reader[data-show="ours"] .ch .tr-alt { display: none; }
  .js .reader:not([data-show="ours"]) .ch .tr-alt[data-active] > summary { display: none; }
  .js .reader:not([data-show="ours"]) .ch .tr-alt:not([data-active]) { display: none; }
  .js .reader:not([data-show="ours"]) .tr-ours { opacity: .55; }
  @media (max-width: 64rem) {
    .reader-grid { grid-template-columns: 1fr; gap: 0; }
    .reader-nav { display: none; }
    .reader-nav-m { display: block; }
    .ch-body { grid-template-columns: 1fr; gap: var(--s4); }
  }
}

@layer forms {
  .form-wrap { padding-block-start: var(--s7); max-inline-size: calc(52rem + 2 * var(--gutter)); }
  .form-before { color: var(--fg-2); font-size: var(--fs-sm); }
  .steps { display: flex; flex-wrap: wrap; gap: var(--s2) var(--s5); margin-block-end: var(--s5); color: var(--fg-3); }
  .steps li[aria-current] { color: var(--cinnabar); }
  .steps li.done { color: var(--fg-2); }
  .sform { display: grid; gap: var(--s5); }
  .step { display: grid; gap: var(--s4); }
  .js .step:not(.is-current) { display: none; }
  .declaration ol { padding-inline-start: 1.4em; display: grid; gap: var(--s3); }
  .declaration li::marker { color: var(--gold); font-family: var(--font-hud); font-weight: 600; }
  .consents, .field { border: 0; padding: 0; margin: 0; display: grid; gap: var(--s2); min-inline-size: 0; }
  .consents { border-block-start: 1px solid var(--line); padding-block-start: var(--s4); gap: var(--s3); }
  .consents > legend, .field > legend { font-weight: 600; padding: 0; margin-block-end: var(--s2); }
  .field > label { font-weight: 600; }
  .req, .opt { font-weight: 400; font-size: var(--fs-sm); color: var(--fg-2); }
  .req { color: var(--cinnabar); }
  .help { font-size: var(--fs-sm); color: var(--fg-2); }
  .err { font-size: var(--fs-sm); color: var(--err); min-block-size: 0; }
  .err:empty { display: none; }
  input[type="text"], input[type="email"], select, textarea {
    inline-size: 100%; min-block-size: 48px; padding: var(--s2) var(--s3); background: var(--bg-3); color: var(--fg);
    border: 1px solid var(--line-strong); border-radius: var(--radius); font-size: var(--fs-md); text-align: start; }
  textarea { min-block-size: 7rem; resize: vertical; line-height: 1.5; field-sizing: content; }
  input:focus, select:focus, textarea:focus { outline: none; border-color: var(--azure); box-shadow: 0 0 0 3px var(--glow-azure); }
  [aria-invalid="true"] { border-color: var(--err) !important; }
  .check { display: grid; grid-template-columns: 22px 1fr; gap: var(--s3); align-items: start; }
  .check input { appearance: none; -webkit-appearance: none; inline-size: 22px; block-size: 22px; margin: .2em 0 0; border: 2px solid var(--line-strong); border-radius: 2px; background: var(--bg-3); display: grid; place-items: center; cursor: pointer; }
  .check input[type="radio"] { border-radius: 50%; }
  .check input:checked { background: var(--cinnabar); border-color: var(--cinnabar); }
  .check input[type="checkbox"]:checked::after { content: ""; inline-size: 6px; block-size: 11px; border: solid var(--cinnabar-ink); border-width: 0 2px 2px 0; transform: rotate(45deg) translate(-1px, -1px); }
  .check input[type="radio"]:checked::after { content: ""; inline-size: 8px; block-size: 8px; border-radius: 50%; background: var(--cinnabar-ink); }
  .check input:focus-visible { outline: 2px solid var(--azure); outline-offset: 2px; }
  .check label { cursor: pointer; }
  .choices { display: grid; gap: var(--s2); }
  .step-actions { display: flex; flex-wrap: wrap; gap: var(--s3); justify-content: flex-end; padding-block-start: var(--s3); border-block-start: 1px solid var(--line); }
  html:not(.js) .js-only { display: none; }
  .hp { position: absolute; inline-size: 1px; block-size: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
  .review { display: grid; grid-template-columns: minmax(8rem, 14rem) minmax(0, 1fr); gap: var(--s2) var(--s4); }
  .review dt { color: var(--fg-2); font-size: var(--fs-sm); }
  .review dd { white-space: pre-wrap; overflow-wrap: anywhere; }
  .review dd button { margin-inline-start: var(--s2); background: none; border: 0; color: var(--azure); text-decoration: underline; font-size: var(--fs-sm); }
  @media (max-width: 36rem) { .review { grid-template-columns: 1fr; } .review dd { margin-block-end: var(--s2); } }
  .signing { font-size: var(--fs-sm); color: var(--fg-2); border-inline-start: 2px solid var(--cinnabar); padding-inline-start: var(--s3); }
  .done { display: grid; gap: var(--s3); justify-items: start; }
  .done .stamp { inline-size: 96px; block-size: 96px; }
  .ref-num { display: flex; align-items: center; gap: var(--s3); }
  .ref-num .num { font-size: clamp(1.4rem, 1.1rem + 1.4vw, 2.2rem); letter-spacing: .08em; color: var(--fg); }
  .form-foot { margin-block-start: var(--s6); }
}

@layer utilities {
  .visually-hidden { position: absolute !important; inline-size: 1px; block-size: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
  .artifact-body { min-block-size: 100%; }
}

@layer motion {
  @keyframes glyph-in { from { opacity: .001; filter: blur(14px); } to { opacity: 1; filter: blur(0); } }
  @keyframes rise { from { opacity: .001; transform: translateY(12px); } to { opacity: 1; transform: none; } }
  @keyframes spin { to { transform: rotate(360deg); } }
  @keyframes stamp { from { transform: scale(1.15); opacity: .4; } to { transform: scale(1); opacity: 1; } }
  .hero-glyphs { animation: glyph-in 1.2s var(--ease) both; }
  .reveal { animation: rise .6s var(--ease) both; }
  .reveal:nth-of-type(1) { animation-delay: .08s; } .hero h1.reveal { animation-delay: .3s; } .hero .lead.reveal { animation-delay: .38s; } .hero-actions.reveal { animation-delay: .46s; }
  .hero-ring > svg { animation: spin 180s linear infinite; }
  .spin { animation: spin 24s linear infinite; }
  .done:not([hidden]) .stamp { animation: stamp .12s ease-out both; }
  @view-transition { navigation: auto; }
  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
    .hero-ring > svg, .spin { animation: none !important; }
    .hero-glyphs, .reveal { animation: none !important; }
    a.card:hover { transform: none; }
  }
}