:root {
  --ink: #070707;
  --panel: #101010;
  --paper: #d9d1c1;
  --paper-deep: #b7aa94;
  --chalk: #f3f0e9;
  --muted: #aaa69e;
  --signal: #ed2d24;
  --warning: #f2c94c;
  --line: rgba(255,255,255,.14);
  --shell: min(1180px, calc(100vw - 48px));
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--ink); }
body {
  margin: 0;
  background: var(--ink);
  color: var(--chalk);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: inherit; }
button, summary { font: inherit; }
img { max-width: 100%; display: block; }
::selection { background: var(--signal); color: #fff; }

.vault-skip {
  position: fixed;
  z-index: 100;
  left: 16px;
  top: -80px;
  padding: 10px 14px;
  background: var(--warning);
  color: #111;
}
.vault-skip:focus { top: 12px; }

.vault-header {
  position: absolute;
  z-index: 20;
  top: 0;
  left: 50%;
  width: var(--shell);
  height: 92px;
  transform: translateX(-50%);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 36px;
  border-bottom: 1px solid rgba(255,255,255,.18);
}
.vault-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  line-height: 1.05;
}
.vault-brand__mark {
  display: grid;
  place-items: center;
  width: 42px;
  aspect-ratio: 1;
  color: #fff;
  background: var(--signal);
  font-family: "Songti SC", "Noto Serif CJK SC", serif;
  font-weight: 900;
  font-size: 22px;
  transform: rotate(-3deg);
  box-shadow: 4px 4px 0 rgba(237,45,36,.22);
}
.vault-brand strong { display: block; font-family: "Songti SC", serif; font-size: 21px; letter-spacing: .08em; }
.vault-brand small { display: block; margin-top: 5px; color: #a29f98; font: 9px/1.1 ui-monospace, monospace; letter-spacing: .18em; }
.vault-nav { display: flex; justify-content: center; gap: clamp(18px, 3vw, 38px); }
.vault-nav a {
  color: #d9d6cf;
  text-decoration: none;
  font-size: 13px;
  letter-spacing: .08em;
  transition: color .2s ease;
}
.vault-nav a:hover, .vault-nav a:focus-visible { color: var(--warning); }
.vault-live { font: 11px/1 ui-monospace, monospace; color: #b9b5ad; letter-spacing: .08em; white-space: nowrap; }
.vault-live i { display: inline-block; width: 7px; height: 7px; margin-right: 8px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 5px rgba(237,45,36,.12); }
.vault-menu { display: none; }

.case-hero {
  position: relative;
  min-height: 780px;
  isolation: isolate;
  overflow: hidden;
  background: #050505;
}
.case-hero__image {
  position: absolute;
  z-index: -3;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(.82) contrast(1.08) brightness(.74);
}
.case-hero__shade {
  position: absolute;
  z-index: -2;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(3,3,3,.98) 0%, rgba(3,3,3,.9) 38%, rgba(3,3,3,.32) 72%, rgba(3,3,3,.28) 100%),
    linear-gradient(0deg, #070707 0%, transparent 30%);
}
.case-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  opacity: .06;
  background-image: repeating-linear-gradient(0deg, transparent 0 3px, #fff 4px);
  pointer-events: none;
}
.case-hero__grid {
  width: var(--shell);
  min-height: 700px;
  margin: 0 auto;
  padding-top: 150px;
  display: grid;
  grid-template-columns: minmax(0, 680px) 1fr;
  align-items: center;
  gap: 48px;
}
.case-kicker, .section-code {
  margin: 0 0 20px;
  color: var(--signal);
  font: 700 11px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.case-kicker span { color: #e5e1da; margin-right: 14px; }
.case-hero h1 {
  max-width: 760px;
  margin: 0;
  font-family: "Songti SC", "Noto Serif CJK SC", STSong, serif;
  font-size: clamp(54px, 7vw, 104px);
  line-height: .98;
  letter-spacing: -.05em;
  font-weight: 900;
  text-wrap: balance;
}
.case-hero h1 em { display: block; margin-top: 16px; color: var(--signal); font-style: normal; }
.case-hero__lead { max-width: 690px; margin: 34px 0 0; color: #d2cec6; font-size: clamp(16px, 1.6vw, 20px); line-height: 1.9; }
.case-hero__actions { display: flex; gap: 12px; margin-top: 34px; }
.case-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid rgba(255,255,255,.35);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: .08em;
  transition: transform .2s ease, background .2s ease;
}
.case-button:hover, .case-button:focus-visible { transform: translateY(-2px); background: rgba(255,255,255,.08); }
.case-button--signal { border-color: var(--signal); background: var(--signal); color: #fff; }
.case-button--signal:hover, .case-button--signal:focus-visible { background: #ff3b31; }
.case-hero__note { margin: 22px 0 0; color: #8f8b83; font-size: 12px; }
.case-stamp {
  align-self: end;
  justify-self: end;
  width: 190px;
  margin-bottom: 70px;
  padding: 18px;
  border: 2px solid rgba(237,45,36,.68);
  color: rgba(237,45,36,.85);
  text-align: center;
  transform: rotate(-7deg);
}
.case-stamp span, .case-stamp small { display: block; font: 10px/1.3 ui-monospace, monospace; letter-spacing: .12em; }
.case-stamp strong { display: block; margin: 8px 0; font-family: "Songti SC", serif; font-size: 28px; letter-spacing: .12em; }
.case-status {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: var(--shell);
  transform: translateX(-50%);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255,255,255,.18);
  border-left: 1px solid rgba(255,255,255,.12);
  background: rgba(5,5,5,.7);
  backdrop-filter: blur(10px);
}
.case-status span { padding: 20px; border-right: 1px solid rgba(255,255,255,.12); color: #bcb8b0; font-size: 12px; letter-spacing: .08em; }
.case-status b { margin-right: 10px; color: var(--signal); font: 11px ui-monospace, monospace; }

.dossier-section { width: var(--shell); margin: 0 auto; padding: 120px 0 140px; }
.section-intro { display: grid; grid-template-columns: minmax(180px, .45fr) 1fr 1.2fr; gap: 38px; align-items: end; margin-bottom: 58px; }
.section-intro .section-code { align-self: start; }
.section-intro h2, .blind-zone h2, .source-protocol h2, .archive-wall h2, .faq-vault h2 {
  margin: 0;
  font-family: "Songti SC", serif;
  font-size: clamp(38px, 5vw, 70px);
  line-height: 1.05;
  letter-spacing: -.04em;
}
.section-intro > p:last-child { margin: 0; color: var(--muted); }
.dossier-stack { display: grid; gap: 32px; }

.dossier-file {
  position: relative;
  color: #171411;
  background: var(--paper);
  box-shadow: 0 28px 90px rgba(0,0,0,.44);
}
.dossier-file::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .19;
  pointer-events: none;
  background-image: radial-gradient(rgba(40,31,20,.35) .55px, transparent .7px);
  background-size: 5px 5px;
  mix-blend-mode: multiply;
}
.dossier-file--lead { display: grid; grid-template-columns: 220px 1fr; transform: rotate(-.35deg); }
.dossier-file__rail { position: relative; z-index: 1; padding: 34px 28px; background: #141312; color: #ede9e0; }
.dossier-file__rail::after { content: ""; position: absolute; right: -10px; top: 60px; width: 20px; height: 90px; background: var(--signal); }
.dossier-file__rail code { color: var(--warning); font: 11px/1.5 ui-monospace, monospace; }
.dossier-file__rail strong { display: block; margin: 22px 0 6px; font: 900 40px/1 "Songti SC", serif; }
.dossier-file__rail span, .dossier-file__rail small { display: block; color: #aaa69e; font-size: 11px; letter-spacing: .08em; }
.dossier-file__body { position: relative; z-index: 1; padding: clamp(32px, 5vw, 64px); }
.dossier-file__meta { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-bottom: 22px; font: 10px/1.4 ui-monospace, monospace; letter-spacing: .08em; color: #665f54; }
.dossier-file__meta b { color: #201d18; }
.dossier-file h3 { max-width: 820px; margin: 0; font: 900 clamp(30px, 4.1vw, 58px)/1.13 "Songti SC", serif; letter-spacing: -.03em; }
.dossier-visual { position: relative; margin: 26px 0; overflow: hidden; background: #050505; }
.dossier-visual img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; filter: saturate(.78) contrast(1.05); transition: transform .45s ease, filter .45s ease; }
.dossier-visual:hover img { transform: scale(1.025); filter: saturate(.95) contrast(1.08); }
.dossier-visual figcaption { padding: 11px 14px; color: #8e887e; background: #161412; font: 10px/1.6 ui-monospace, monospace; letter-spacing: .02em; }
.dossier-visual--lead { margin-top: 34px; }
.dossier-visual--lead img { aspect-ratio: 16 / 8.4; }
.dossier-stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 0 0 28px; border-top: 1px solid rgba(36,30,24,.28); border-left: 1px solid rgba(36,30,24,.28); }
.dossier-stats > div { min-height: 112px; padding: 18px; border-right: 1px solid rgba(36,30,24,.28); border-bottom: 1px solid rgba(36,30,24,.28); }
.dossier-stats strong { display: block; color: #9d201a; font: 900 clamp(28px, 4vw, 46px)/1 ui-monospace, monospace; }
.dossier-stats span { display: block; margin-top: 10px; color: #5e574d; font-size: 12px; }
.dossier-file__summary { max-width: 850px; margin: 24px 0 0; font-size: 17px; line-height: 1.9; }
.dossier-file__delta { margin: 32px 0; padding: 22px 24px; border-left: 5px solid var(--signal); background: rgba(255,255,255,.34); }
.dossier-file__delta span { display: block; margin-bottom: 8px; color: #8b1c17; font: 800 10px ui-monospace, monospace; letter-spacing: .12em; }
.dossier-file__delta p { margin: 0; }
.dossier-file__columns { display: grid; grid-template-columns: 1.3fr .8fr; gap: 42px; }
.dossier-file__columns h4, .mini-dossier h4 { margin: 0 0 12px; font: 800 12px ui-monospace, monospace; letter-spacing: .1em; text-transform: uppercase; }
.dossier-file__columns p { margin: 0 0 14px; color: #403a31; }
.evidence-list { margin: 0; padding: 0; list-style: none; }
.evidence-list li { padding: 12px 0; border-top: 1px solid rgba(36,30,24,.22); font-size: 14px; }
.dossier-file__footer { display: flex; justify-content: space-between; gap: 24px; align-items: center; margin-top: 34px; padding-top: 20px; border-top: 1px solid rgba(36,30,24,.25); }
.source-link { font-weight: 800; text-underline-offset: 4px; }
.source-link:hover, .source-link:focus-visible { color: #9c1f19; }
.dossier-file__footer small { color: #625b50; }

.dossier-secondary { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.mini-dossier { position: relative; padding: 36px; border: 1px solid var(--line); background: #0d0d0d; overflow: hidden; }
.mini-dossier::after { content: attr(data-file-no); position: absolute; right: -8px; top: 6px; color: rgba(255,255,255,.035); font: 900 100px/1 ui-monospace, monospace; }
.mini-dossier .dossier-file__meta { color: #8f8b84; }
.mini-dossier h3 { position: relative; z-index: 1; margin: 0; font: 800 30px/1.28 "Songti SC", serif; }
.mini-dossier > p { color: #b4b0a8; }
.mini-dossier .dossier-visual { margin-left: -36px; margin-right: -36px; }
.mini-dossier .dossier-visual figcaption { padding-left: 36px; padding-right: 36px; color: #8f8b84; }
.mini-dossier .dossier-stats { border-color: rgba(255,255,255,.14); }
.mini-dossier .dossier-stats > div { border-color: rgba(255,255,255,.14); }
.mini-dossier .dossier-stats strong { color: var(--signal); }
.mini-dossier .dossier-stats span { color: #9d9991; }
.mini-dossier .dossier-file__delta { background: #151515; color: #d9d5cd; }
.dossier-details { margin-top: 24px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.dossier-details summary { position: relative; padding: 16px 42px 16px 0; cursor: pointer; color: var(--warning); font-size: 13px; list-style: none; }
.dossier-details summary::-webkit-details-marker { display: none; }
.dossier-details summary::after { content: "+"; position: absolute; right: 2px; top: 9px; color: var(--signal); font-size: 26px; }
.dossier-details[open] summary::after { content: "−"; }
.dossier-details__body { padding: 4px 0 22px; color: #b4b0a8; }
.dossier-details__body h4 { margin-top: 24px; color: #e5e1d8; }
.dossier-details__body p { color: #aaa69e; }
.mini-dossier__foot { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-top: 26px; color: #918d85; font-size: 12px; }

.blind-zone { padding: 120px max(24px, calc((100vw - 1180px) / 2)); background: #e1d9c8; color: #171411; }
.blind-zone__heading { display: grid; grid-template-columns: .8fr 1.6fr; gap: 46px; align-items: end; }
.blind-zone__heading .section-code { align-self: start; }
.blind-zone__matrix { margin-top: 70px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid #6e6557; border-left: 1px solid #6e6557; }
.blind-zone__matrix article { min-height: 300px; padding: 26px; border-right: 1px solid #6e6557; border-bottom: 1px solid #6e6557; }
.blind-zone__matrix span { color: var(--signal); font: 11px ui-monospace, monospace; }
.blind-zone__matrix h3 { margin: 64px 0 18px; font: 800 23px/1.25 "Songti SC", serif; }
.blind-zone__matrix p { margin: 0; color: #514a40; font-size: 14px; }

.source-protocol { width: var(--shell); margin: 0 auto; padding: 140px 0; display: grid; grid-template-columns: 1.5fr .62fr; gap: 34px; align-items: start; }
.source-protocol__paper { position: relative; padding: clamp(36px, 6vw, 74px); color: #191612; background: var(--paper); transform: rotate(.25deg); box-shadow: 0 30px 90px rgba(0,0,0,.35); }
.paper-label { position: absolute; right: 0; top: 0; padding: 10px 18px; color: #fff; background: #171513; font: 9px ui-monospace, monospace; letter-spacing: .12em; }
.source-protocol__lead { max-width: 740px; margin: 24px 0 48px; color: #4d463d; font-size: 17px; }
.protocol-steps { margin: 0; padding: 0; list-style: none; }
.protocol-steps li { display: grid; grid-template-columns: 58px 1fr; gap: 22px; padding: 22px 0; border-top: 1px solid rgba(36,30,24,.24); }
.protocol-steps b { color: var(--signal); font: 900 28px/1 ui-monospace, monospace; }
.protocol-steps h3 { margin: 0 0 6px; font: 800 21px "Songti SC", serif; }
.protocol-steps p { margin: 0; color: #554e44; }
.source-protocol__warning { margin-top: 80px; padding: 34px; border: 1px solid rgba(237,45,36,.65); background: #0e0d0d; }
.warning-stamp { display: inline-block; padding: 4px 9px; border: 1px solid var(--signal); color: var(--signal); font: 800 11px ui-monospace, monospace; letter-spacing: .12em; transform: rotate(-2deg); }
.source-protocol__warning h3 { margin: 28px 0 20px; font: 800 27px/1.3 "Songti SC", serif; }
.source-protocol__warning ul { margin: 0; padding-left: 1.2em; color: #b7b3ab; }
.source-protocol__warning p { margin: 26px 0 0; padding-top: 20px; border-top: 1px solid var(--line); color: var(--warning); font-size: 13px; }

.archive-wall { padding: 130px max(24px, calc((100vw - 1180px) / 2)); background: #11100f; }
.section-intro--light { margin-bottom: 70px; }
.archive-wall__files { display: grid; grid-template-columns: 1.1fr .8fr 1fr; gap: 24px; align-items: start; }
.archive-card { position: relative; min-height: 330px; padding: 30px; color: #1b1814; background: #d7cfbe; box-shadow: 14px 18px 0 rgba(0,0,0,.28); }
.archive-card:nth-child(2) { margin-top: 54px; transform: rotate(1.2deg); background: #bab09d; }
.archive-card:nth-child(3) { transform: rotate(-1deg); }
.archive-card::before { content: ""; position: absolute; top: -13px; left: 44%; width: 90px; height: 26px; background: rgba(190,176,148,.66); transform: rotate(-3deg); }
.archive-card code { color: #8d1d18; font: 10px ui-monospace, monospace; }
.archive-card h3 { margin: 40px 0 18px; font: 800 27px/1.3 "Songti SC", serif; }
.archive-card p { color: #50493f; font-size: 14px; }
.archive-card footer { position: absolute; left: 30px; right: 30px; bottom: 28px; display: flex; justify-content: space-between; border-top: 1px solid rgba(30,25,20,.25); padding-top: 14px; font: 10px ui-monospace, monospace; }

.faq-vault { width: var(--shell); margin: 0 auto; padding: 130px 0; display: grid; grid-template-columns: .72fr 1.3fr; gap: 80px; }
.faq-vault > div:first-child > p:last-child { color: var(--muted); }
.faq-vault details { border-top: 1px solid var(--line); }
.faq-vault details:last-child { border-bottom: 1px solid var(--line); }
.faq-vault summary { position: relative; padding: 24px 54px 24px 0; cursor: pointer; list-style: none; font: 800 20px/1.5 "Songti SC", serif; }
.faq-vault summary::-webkit-details-marker { display: none; }
.faq-vault summary::after { content: "+"; position: absolute; right: 4px; top: 19px; color: var(--signal); font: 300 30px/1 sans-serif; }
.faq-vault details[open] summary::after { content: "−"; }
.faq-vault details p { margin: 0; padding: 0 60px 28px 0; color: var(--muted); }

.vault-footer { width: var(--shell); margin: 0 auto; padding: 38px 0 54px; display: grid; grid-template-columns: auto 1fr auto; gap: 40px; align-items: center; border-top: 1px solid var(--line); color: #8f8b84; font-size: 12px; }
.vault-footer > div { display: flex; align-items: center; gap: 12px; color: var(--chalk); }
.vault-footer p { margin: 0; }
.vault-footer p:last-child { text-align: right; font-family: ui-monospace, monospace; }

:focus-visible { outline: 2px solid var(--warning); outline-offset: 4px; }

@media (max-width: 980px) {
  :root { --shell: min(100% - 32px, 760px); }
  .vault-header { grid-template-columns: auto auto 1fr; gap: 18px; }
  .vault-menu { display: inline-flex; justify-self: end; border: 1px solid var(--line); background: #111; color: #fff; padding: 8px 12px; }
  .vault-live { display: none; }
  .vault-nav { display: none; position: absolute; top: 78px; right: 0; width: 220px; padding: 16px; flex-direction: column; background: #0c0c0c; border: 1px solid var(--line); }
  .vault-nav[data-open="true"] { display: flex; }
  .case-hero { min-height: 820px; }
  .case-hero__grid { min-height: 740px; grid-template-columns: 1fr; padding-top: 135px; }
  .case-stamp { display: none; }
  .section-intro { grid-template-columns: .5fr 1fr; }
  .section-intro > p:last-child { grid-column: 2; }
  .dossier-file--lead { grid-template-columns: 150px 1fr; }
  .dossier-file__rail { padding: 30px 20px; }
  .dossier-file__columns { grid-template-columns: 1fr; gap: 18px; }
  .blind-zone__matrix { grid-template-columns: repeat(2, 1fr); }
  .source-protocol { grid-template-columns: 1fr; }
  .source-protocol__warning { margin-top: 0; }
  .archive-wall__files { grid-template-columns: 1fr 1fr; }
  .archive-card:nth-child(2) { margin-top: 0; }
  .archive-card:nth-child(3) { grid-column: span 2; }
  .faq-vault { grid-template-columns: 1fr; gap: 44px; }
  .vault-footer { grid-template-columns: 1fr; gap: 18px; }
  .vault-footer p:last-child { text-align: left; }
}

@media (max-width: 640px) {
  :root { --shell: calc(100% - 28px); }
  .vault-header { height: 78px; }
  .vault-brand strong { font-size: 18px; }
  .vault-brand small { display: none; }
  .vault-brand__mark { width: 36px; font-size: 18px; }
  .case-hero { min-height: 850px; }
  .case-hero__image { object-position: 68% center; }
  .case-hero__shade { background: linear-gradient(90deg, rgba(3,3,3,.98), rgba(3,3,3,.68)), linear-gradient(0deg, #070707 0%, transparent 45%); }
  .case-hero__grid { min-height: 730px; padding-top: 118px; align-items: start; }
  .case-hero h1 { font-size: clamp(49px, 15vw, 72px); }
  .case-hero__lead { font-size: 16px; line-height: 1.8; }
  .case-hero__actions { flex-direction: column; align-items: stretch; }
  .case-status { grid-template-columns: repeat(2, 1fr); }
  .case-status span { padding: 13px; }
  .dossier-section { padding: 92px 0 110px; }
  .section-intro, .blind-zone__heading { grid-template-columns: 1fr; gap: 14px; }
  .section-intro > p:last-child { grid-column: auto; }
  .dossier-file--lead { display: block; transform: none; }
  .dossier-file__rail { display: flex; justify-content: space-between; align-items: center; padding: 18px 22px; }
  .dossier-file__rail strong { margin: 0; font-size: 28px; }
  .dossier-file__rail span, .dossier-file__rail small { display: none; }
  .dossier-file__rail::after { right: 30px; top: auto; bottom: -8px; width: 70px; height: 16px; }
  .dossier-file__body { padding: 30px 22px 34px; }
  .dossier-file h3 { font-size: 34px; }
  .dossier-file__summary { font-size: 15px; }
  .dossier-visual--lead img { aspect-ratio: 3 / 2; }
  .dossier-stats > div { min-height: 96px; padding: 14px; }
  .dossier-stats strong { font-size: 30px; }
  .dossier-file__footer { align-items: flex-start; flex-direction: column; }
  .dossier-secondary { grid-template-columns: 1fr; }
  .mini-dossier { padding: 28px 22px; }
  .mini-dossier .dossier-visual { margin-left: -22px; margin-right: -22px; }
  .mini-dossier .dossier-visual figcaption { padding-left: 22px; padding-right: 22px; }
  .blind-zone { padding-top: 92px; padding-bottom: 92px; }
  .blind-zone__matrix { grid-template-columns: 1fr; margin-top: 44px; }
  .blind-zone__matrix article { min-height: auto; }
  .blind-zone__matrix h3 { margin-top: 34px; }
  .source-protocol { padding: 100px 0; }
  .source-protocol__paper { padding: 50px 22px 30px; transform: none; }
  .paper-label { left: 0; right: auto; }
  .protocol-steps li { grid-template-columns: 42px 1fr; }
  .source-protocol__warning { padding: 28px 22px; }
  .archive-wall { padding-top: 100px; padding-bottom: 100px; }
  .archive-wall__files { grid-template-columns: 1fr; }
  .archive-card:nth-child(3) { grid-column: auto; }
  .archive-card { min-height: 360px; }
  .faq-vault { padding: 100px 0; }
  .faq-vault summary { font-size: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

.missing-file { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: radial-gradient(circle at 70% 30%, #24100e, #070707 52%); }
.missing-file__paper { width: min(680px, 100%); padding: clamp(34px, 7vw, 70px); color: #1b1713; background: var(--paper); box-shadow: 20px 24px 0 rgba(0,0,0,.35); transform: rotate(-1deg); }
.missing-file__paper h1 { margin: 0; font: 900 clamp(44px, 8vw, 80px)/1.08 "Songti SC", serif; }
.missing-file__paper p:not(.section-code) { margin: 24px 0 32px; color: #544d43; }