:root {
  --ink: #152231;
  --muted: #586675;
  --paper: #ffffff;
  --canvas: #dfe5e9;
  --red: #d94a3a;
  --blue: #1f6fc7;
  --yellow: #f0c338;
  --green: #178476;
  --line: #cdd6dc;
  --page-width: 210mm;
  --page-height: 297mm;
  --page-pad: 14mm;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 86px; }
body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: Inter, "Noto Sans", "Noto Sans CJK SC", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}
button, select { font: inherit; letter-spacing: 0; }
a { color: inherit; }
.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  padding: 9px 14px;
  background: var(--ink);
  color: #fff;
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.reader-toolbar {
  position: sticky;
  z-index: 40;
  top: 0;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 10px max(18px, calc((100vw - var(--page-width)) / 2));
  color: #fff;
  background: rgba(21, 34, 49, .97);
  border-bottom: 3px solid var(--yellow);
  box-shadow: 0 7px 24px rgba(21, 34, 49, .18);
}
.toolbar-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; min-width: 230px; }
.toolbar-brand img { width: 34px; height: 34px; object-fit: contain; }
.toolbar-brand span { display: flex; flex-direction: column; line-height: 1.15; }
.toolbar-brand b { font-size: 12.5px; font-weight: 750; }
.toolbar-brand small { margin-top: 4px; color: #bfcbd5; font-size: 11px; }
.reader-controls { display: flex; align-items: end; justify-content: flex-end; gap: 10px; }
.control-field { display: flex; flex-direction: column; gap: 3px; }
.control-field > span { color: #bfcbd5; font-size: 10px; line-height: 1; }
.control-field select {
  height: 34px;
  max-width: 220px;
  padding: 0 30px 0 10px;
  border: 1px solid #526170;
  border-radius: 3px;
  outline: none;
  color: #fff;
  background: #26394a;
  font-size: 12.5px;
  font-weight: 600;
}
.control-field select:focus, .print-button:focus-visible, .toolbar-brand:focus-visible, .page-rail a:focus-visible { outline: 3px solid var(--yellow); outline-offset: 2px; }
.print-button {
  height: 34px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 0 13px;
  border: 0;
  border-radius: 3px;
  color: #152231;
  background: var(--yellow);
  font-size: 12.5px;
  font-weight: 750;
  cursor: pointer;
}
.print-button:hover { background: #ffdb5b; }
.print-button > span:first-child { font-size: 16px; line-height: 1; }

.page-rail {
  position: fixed;
  z-index: 20;
  top: 50%;
  right: max(12px, calc((100vw - var(--page-width)) / 2 - 54px));
  display: flex;
  flex-direction: column;
  gap: 6px;
  transform: translateY(-44%);
}
.page-rail a {
  width: 34px;
  height: 25px;
  display: grid;
  place-items: center;
  border: 1px solid #aebac2;
  border-radius: 2px;
  color: #667582;
  background: rgba(255, 255, 255, .78);
  font-size: 10px;
  font-weight: 800;
  text-decoration: none;
}
.page-rail a:hover, .page-rail a.active { color: #fff; background: var(--blue); border-color: var(--blue); }

.publication { width: var(--page-width); margin: 26px auto 64px; }
.sheet {
  position: relative;
  width: var(--page-width);
  min-height: var(--page-height);
  margin: 0 0 28px;
  padding: var(--page-pad) var(--page-pad) 18mm;
  overflow: hidden;
  background: var(--paper);
  box-shadow: 0 15px 42px rgba(37, 52, 64, .2);
  break-after: page;
  scroll-margin-top: 82px;
}
.sheet::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: 0;
  left: 0;
  width: 5mm;
  height: 72mm;
  background: var(--blue);
}
.sheet > * { position: relative; z-index: 1; }
.sheet h1, .sheet h2, .sheet h3, .sheet p, .sheet figure, .sheet blockquote { margin-top: 0; }
.sheet h2 {
  max-width: 168mm;
  margin-bottom: 4mm;
  font-size: 25.5pt;
  line-height: 1.13;
  letter-spacing: 0;
}
.sheet h3 { font-size: 12.5pt; line-height: 1.25; letter-spacing: 0; }
.eyebrow {
  margin-bottom: 3mm;
  color: var(--blue);
  font-size: 8pt;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}
.sheet-heading { padding: 4mm 0 7.5mm; border-bottom: 1px solid var(--line); }
.sheet-heading > p:last-child { max-width: 158mm; margin: 0; color: var(--muted); font-size: 10.5pt; line-height: 1.65; }
.sheet-heading.compact { padding-bottom: 5mm; }
.sheet-heading.compact h2 { margin-bottom: 2.5mm; font-size: 23.5pt; }
.folio {
  position: absolute;
  right: var(--page-pad);
  bottom: 7mm;
  left: var(--page-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2mm;
  border-top: 1px solid var(--line);
  color: #6a7783;
  font-size: 7.5pt;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}
.folio b { color: var(--ink); font-size: 10pt; }
.page-note { margin-top: 5mm; padding: 3mm 0 0 4mm; border-left: 1.4mm solid var(--yellow); color: var(--muted); font-size: 8.5pt; }
.strong-note { color: var(--ink); font-weight: 700; }

/* Cover */
.sheet-cover { padding-top: 11mm; color: #fff; background: #152231; }
.sheet-cover::before { width: 63mm; height: 6mm; background: var(--red); }
.sheet-cover::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 48mm;
  height: 48mm;
  border-top: 13mm solid var(--yellow);
  border-left: 13mm solid transparent;
  opacity: .95;
}
.cover-brand { display: flex; align-items: center; gap: 3mm; font-size: 8.5pt; font-weight: 900; letter-spacing: .12em; }
.cover-brand img { width: 12mm; height: 12mm; object-fit: contain; }
.cover-layout { display: grid; grid-template-columns: 1.05fr .95fr; gap: 9mm; align-items: center; min-height: 196mm; padding-top: 10mm; }
.cover-copy .eyebrow { color: #7eb8f4; }
.cover-copy h1 { margin: 0 0 8mm; font-size: 35pt; line-height: 1.08; letter-spacing: 0; }
.cover-subtitle { margin-bottom: 7mm; color: var(--yellow); font-size: 14pt; font-weight: 800; line-height: 1.35; }
.cover-deck { color: #d8e1e8; font-size: 10.5pt; }
.cover-visual { position: relative; margin: 0; height: 181mm; overflow: hidden; border: 1px solid #526170; }
.cover-visual img { width: 100%; height: 100%; object-fit: cover; }
.cover-visual figcaption { position: absolute; right: 0; bottom: 0; left: 0; margin: 0; padding: 4mm; color: #fff; background: rgba(21, 34, 49, .88); font-size: 7.5pt; }
.cover-meta { display: grid; grid-template-columns: .75fr 1.25fr 1fr; border-top: 1px solid #526170; border-bottom: 1px solid #526170; }
.cover-meta > div { min-height: 23mm; padding: 4mm; border-right: 1px solid #526170; }
.cover-meta > div:last-child { border-right: 0; }
.cover-meta small, .cover-meta strong { display: block; }
.cover-meta small { color: #91a2b0; font-size: 7pt; text-transform: uppercase; }
.cover-meta strong { margin-top: 1mm; font-size: 9pt; line-height: 1.35; }
.edition-note { margin-top: 4mm; max-width: 158mm; color: #9fb0bd; font-size: 7pt; }
.sheet-cover .folio { border-color: #526170; color: #9fb0bd; }
.sheet-cover .folio b { color: #fff; }

/* Challenge and loop */
.sheet-why::before { background: var(--red); }
.problem-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin-top: 8mm; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.problem-item { min-height: 53mm; padding: 5.5mm; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.item-number { display: block; margin-bottom: 2mm; color: var(--red); font-size: 8pt; font-weight: 900; }
.problem-item h3 { margin-bottom: 2.5mm; font-size: 13pt; }
.problem-item p { margin-bottom: 0; color: var(--muted); font-size: 9.2pt; line-height: 1.55; }
.learning-loop { margin-top: 9mm; padding: 6.5mm; color: #fff; background: var(--ink); }
.learning-loop > div { display: flex; align-items: baseline; justify-content: space-between; gap: 6mm; }
.learning-loop small { color: #92a4b2; font-size: 7pt; font-weight: 900; letter-spacing: .1em; }
.learning-loop h3 { margin-bottom: 4mm; font-size: 15pt; }
.learning-loop ol { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2mm; margin: 0; padding: 0; list-style: none; }
.learning-loop li { position: relative; min-height: 23mm; padding: 3.5mm; background: #26394a; }
.learning-loop li:not(:last-child)::after { content: ">"; position: absolute; top: 7mm; right: -2mm; z-index: 2; color: var(--yellow); font-weight: 900; }
.learning-loop li span, .learning-loop li b { display: block; }
.learning-loop li span { color: var(--yellow); font-size: 7pt; }
.learning-loop li b { margin-top: 1mm; font-size: 9pt; line-height: 1.35; }

/* Principles */
.sheet-principles::before { background: var(--green); }
.principles-layout { display: grid; grid-template-columns: 1.08fr .92fr; gap: 7mm; margin-top: 7mm; }
.principle-grid { border-top: 1px solid var(--line); }
.principle-item { display: grid; grid-template-columns: 9mm 1fr; gap: 2mm; padding: 3.8mm 0; border-bottom: 1px solid var(--line); }
.principle-item .item-number { color: var(--green); }
.principle-item h3 { margin-bottom: 1mm; font-size: 10.5pt; }
.principle-item p { margin-bottom: 0; color: var(--muted); font-size: 8.2pt; line-height: 1.48; }
.case-visual { position: relative; min-height: 153mm; margin: 0; background: #e4ecea; overflow: hidden; }
.case-visual img { width: 100%; height: 153mm; object-fit: cover; }
.case-visual figcaption { position: absolute; right: 0; bottom: 0; left: 0; margin: 0; padding: 4mm; color: #fff; background: rgba(21, 34, 49, .88); font-size: 7.3pt; }
.sheet-principles blockquote, .sheet-safety blockquote { margin: 7mm 0 0; padding: 5mm 7mm; border: 0; border-left: 2mm solid var(--yellow); color: #fff; background: var(--ink); font-size: 13pt; font-weight: 750; line-height: 1.45; }

/* Learning */
.sheet-learning::before { background: var(--yellow); }
.learner-path { display: grid; grid-template-columns: repeat(5, 1fr); margin-top: 8mm; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sheet-learning .learner-path { margin-top: 11mm; }
.learner-role { min-height: 56mm; padding: 4.5mm 3mm; border-right: 1px solid var(--line); }
.learner-role:last-child { border-right: 0; }
.learner-role span { display: grid; width: 8mm; height: 8mm; place-items: center; color: #fff; background: var(--blue); border-radius: 50%; font-size: 7pt; font-weight: 900; }
.learner-role h3 { margin: 3mm 0 2mm; font-size: 10pt; }
.learner-role p { margin: 0; color: var(--muted); font-size: 8pt; line-height: 1.45; }
.track-section { margin-top: 10mm; }
.sheet-learning .track-section { margin-top: 13mm; }
.track-section h3 { margin-bottom: 4mm; }
.track-list { display: flex; flex-wrap: wrap; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.track { flex: 1 1 24%; min-height: 19mm; display: flex; align-items: center; padding: 3.5mm; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--ink); font-size: 8.7pt; font-weight: 750; }
.evidence-section { display: grid; grid-template-columns: 43mm 1fr; gap: 6mm; margin-top: 10mm; padding: 7mm 6mm; color: #fff; background: var(--blue); }
.sheet-learning .evidence-section { margin-top: 13mm; }
.evidence-section small { color: #c4dcf7; font-size: 7pt; font-weight: 900; }
.evidence-section h3 { margin: 1mm 0 0; font-size: 15pt; }
.evidence-section ul { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2mm; margin: 0; padding: 0; list-style: none; }
.evidence-section li { padding: 3mm; color: var(--ink); background: #fff; font-size: 8.4pt; font-weight: 750; }

/* Community */
.sheet-community::before { background: var(--blue); }
.community-visual-row { display: grid; grid-template-columns: 1.15fr .85fr; gap: 6mm; margin-top: 7mm; }
.community-visual-row figure { position: relative; height: 75mm; margin: 0; overflow: hidden; }
.community-visual-row figure img { width: 100%; height: 100%; object-fit: cover; }
.community-visual-row figcaption { position: absolute; right: 0; bottom: 0; left: 0; padding: 2.5mm 3mm; color: #fff; background: rgba(21, 34, 49, .86); font-size: 6.8pt; }
.community-groups { padding: 6mm; color: #fff; background: var(--ink); }
.community-groups small { color: var(--yellow); font-size: 7pt; font-weight: 900; letter-spacing: .08em; }
.community-groups h3 { margin: 2mm 0 4mm; font-size: 14pt; }
.community-groups p { margin: 0; color: #d3dde5; font-size: 8pt; line-height: 1.55; }
.workflow-section { margin-top: 7mm; }
.workflow-section > h3 { margin-bottom: 3mm; }
.workflow-section ol { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; padding: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); list-style: none; }
.workflow-section li { min-height: 34mm; padding: 4mm; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.workflow-section li span, .workflow-section li b { display: block; }
.workflow-section li span { color: var(--blue); font-size: 7pt; font-weight: 900; }
.workflow-section li b { margin-top: 2mm; font-size: 8.7pt; line-height: 1.45; }

/* Governance and economy */
.sheet-economy::before { background: var(--red); }
.entity-model { display: grid; grid-template-columns: 1fr 34mm 1fr; align-items: stretch; margin-top: 7mm; }
.sheet-economy .entity-model { margin-top: 10mm; }
.entity-model > article { min-height: 55mm; padding: 6mm; border: 1px solid var(--line); }
.entity-model small { color: var(--blue); font-size: 7pt; font-weight: 900; letter-spacing: .12em; }
.entity-model h3 { margin: 2mm 0; }
.entity-model p { margin: 0; color: var(--muted); font-size: 9pt; line-height: 1.55; }
.entity-bridge { display: grid; place-items: center; color: #fff; background: var(--ink); text-align: center; font-size: 7pt; font-weight: 800; }
.allocation-section { margin-top: 9mm; padding: 6mm; border: 1px solid var(--line); }
.sheet-economy .allocation-section { margin-top: 12mm; }
.allocation-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 6mm; }
.allocation-heading small { color: var(--red); font-size: 7pt; font-weight: 900; }
.allocation-heading h3 { margin-bottom: 3mm; }
.allocation-bar { display: grid; grid-template-columns: 3fr 2fr; min-height: 37mm; color: #fff; }
.allocation-bar > div { display: flex; align-items: center; gap: 4mm; padding: 4mm; background: var(--blue); }
.allocation-bar > div:last-child { background: var(--red); }
.allocation-bar strong { font-size: 24pt; line-height: 1; }
.allocation-bar span { font-size: 9pt; font-weight: 800; }
.allocation-section > p { margin: 3.5mm 0 0; color: var(--muted); font-size: 8.2pt; line-height: 1.5; }
.economy-bottom { display: grid; grid-template-columns: 1fr 1fr; gap: 6mm; margin-top: 9mm; }
.sheet-economy .economy-bottom { margin-top: 12mm; }
.economy-bottom section { padding-top: 4mm; border-top: 1.5mm solid var(--yellow); }
.economy-bottom h3 { margin-bottom: 2mm; }
.economy-bottom p, .economy-bottom li { color: var(--muted); font-size: 8.7pt; line-height: 1.5; }
.economy-bottom ul { columns: 2; margin: 0; padding-left: 5mm; }

/* Safety */
.sheet-safety::before { background: var(--green); }
.safety-layout { display: grid; grid-template-columns: 67mm 1fr; gap: 7mm; margin-top: 7mm; }
.safety-layout figure { position: relative; height: 104mm; margin: 0; overflow: hidden; background: #dfe9e6; }
.safety-layout figure img { width: 100%; height: 100%; object-fit: cover; }
.safety-layout figcaption { position: absolute; right: 0; bottom: 0; left: 0; padding: 3mm; color: #fff; background: rgba(21, 34, 49, .86); font-size: 6.8pt; }
.safety-layout h3 { margin-bottom: 3mm; }
.check-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin: 0; padding: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); list-style: none; }
.check-list li { position: relative; min-height: 29mm; padding: 4mm 3mm 3mm 9mm; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--muted); font-size: 7.5pt; line-height: 1.4; }
.check-list li::before { content: "+"; position: absolute; top: 3.5mm; left: 3mm; color: var(--green); font-size: 13pt; font-weight: 900; }
.ai-integrity { display: grid; grid-template-columns: 53mm 1fr; gap: 5mm; margin-top: 7mm; padding: 5mm; background: #e8efec; }
.ai-integrity small { color: var(--green); font-size: 7pt; font-weight: 900; }
.ai-integrity h3 { margin: 2mm 0; }
.ai-integrity p { margin: 0; color: var(--muted); font-size: 7.3pt; }
.ai-integrity ol { display: grid; grid-template-columns: 1fr 1fr; gap: 2mm; margin: 0; padding: 0; list-style: none; }
.ai-integrity li { display: grid; grid-template-columns: 7mm 1fr; align-items: start; gap: 2mm; padding: 2.5mm; background: #fff; }
.ai-integrity li span { display: grid; width: 6mm; height: 6mm; place-items: center; color: #fff; background: var(--green); font-size: 6.5pt; font-weight: 900; }
.ai-integrity li p { font-size: 7.2pt; line-height: 1.35; }
.sheet-safety blockquote { margin-top: 6mm; font-size: 10.5pt; }

/* Roadmap */
.sheet-roadmap::before { background: var(--yellow); }
.roadmap-phases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 5mm; margin-top: 9mm; }
.roadmap-phase { min-height: 105mm; padding: 6mm; border-top: 2mm solid var(--blue); background: #edf3f8; }
.roadmap-phase:nth-child(2) { border-color: var(--green); background: #ebf3f1; }
.roadmap-phase:nth-child(3) { border-color: var(--red); background: #f7eeec; }
.phase-head { display: flex; align-items: center; justify-content: space-between; }
.phase-head span { font-size: 8pt; font-weight: 900; }
.phase-head b { color: #fff; background: var(--ink); padding: 1mm 2mm; font-size: 7pt; }
.roadmap-phase h3 { margin: 10mm 0 3mm; font-size: 17pt; }
.roadmap-phase p { margin: 0; color: var(--muted); font-size: 9pt; line-height: 1.6; }
.action-strip { margin-top: 10mm; padding: 6mm; color: #fff; background: var(--ink); }
.action-strip h3 { margin-bottom: 3mm; }
.action-strip > div { display: grid; grid-template-columns: repeat(3, 1fr); gap: 3mm; }
.action-strip p { margin: 0; padding: 3.5mm; color: #d7e0e7; background: #26394a; font-size: 8.2pt; line-height: 1.5; }
.north-star { display: grid; grid-template-columns: 35mm 1fr; gap: 6mm; align-items: center; margin-top: 9mm; padding-top: 6mm; border-top: 1px solid var(--line); }
.north-star small { color: var(--blue); font-size: 7pt; font-weight: 900; }
.north-star p { margin: 0; font-size: 13.5pt; font-weight: 800; line-height: 1.45; }

/* Pledge */
.sheet-pledge { color: #fff; background: var(--ink); }
.sheet-pledge::before { width: 5mm; height: 100%; background: var(--red); }
.sheet-pledge::after { content: ""; position: absolute; right: 0; top: 0; width: 38mm; height: 7mm; background: var(--yellow); }
.pledge-header { display: flex; align-items: center; gap: 5mm; padding-top: 6mm; }
.pledge-header img { width: 14mm; height: 14mm; object-fit: contain; }
.pledge-header .eyebrow { margin-bottom: 1mm; color: #81baf5; }
.pledge-header h2 { margin: 0; color: #fff; font-size: 28pt; }
.pledge-lead { margin: 10mm 0 7mm; max-width: 154mm; color: #d6e0e7; font-size: 12pt; }
.pledge-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 8mm; margin: 0; padding: 0; counter-reset: pledge; list-style: none; border-top: 1px solid #526170; }
.pledge-list li { position: relative; min-height: 24mm; padding: 4mm 0 4mm 13mm; border-bottom: 1px solid #526170; color: #d6e0e7; font-size: 8.7pt; line-height: 1.45; counter-increment: pledge; }
.pledge-list li::before { content: counter(pledge, decimal-leading-zero); position: absolute; top: 4mm; left: 0; color: var(--yellow); font-size: 8pt; font-weight: 900; }
.pledge-close { display: flex; align-items: center; justify-content: space-between; gap: 8mm; margin-top: 9mm; padding: 6mm; color: var(--ink); background: var(--yellow); }
.pledge-close p { margin: 0; max-width: 125mm; font-size: 13pt; font-weight: 850; line-height: 1.38; }
.pledge-close a { flex: 0 0 auto; padding: 3mm 4mm; border: 1px solid var(--ink); text-decoration: none; font-size: 8pt; font-weight: 900; }
.sheet-pledge .folio { border-color: #526170; color: #9fb0bd; }
.sheet-pledge .folio b { color: #fff; }

[dir="rtl"] .sheet::before { right: 0; left: auto; }
[dir="rtl"] .sheet-principles blockquote, [dir="rtl"] .sheet-safety blockquote, [dir="rtl"] .page-note { border-right: 2mm solid var(--yellow); border-left: 0; }
[dir="rtl"] .check-list li { padding-right: 9mm; padding-left: 3mm; }
[dir="rtl"] .check-list li::before { right: 3mm; left: auto; }
[dir="rtl"] .learning-loop li:not(:last-child)::after { content: "<"; right: auto; left: -2mm; }
[dir="rtl"] .economy-bottom ul { padding-right: 5mm; padding-left: 0; }
[dir="rtl"] .pledge-list li { padding-right: 13mm; padding-left: 0; }
[dir="rtl"] .pledge-list li::before { right: 0; left: auto; }
[dir="rtl"] .page-rail { right: auto; left: max(12px, calc((100vw - var(--page-width)) / 2 - 54px)); }

@media (max-width: 980px) {
  .reader-toolbar { padding: 10px 14px; }
  .page-rail { display: none; }
  .publication { width: min(100%, var(--page-width)); margin-top: 16px; }
}

@media (max-width: 720px) {
  html { scroll-padding-top: 124px; }
  body { font-size: 14px; }
  .reader-toolbar { position: sticky; min-height: 0; flex-wrap: wrap; gap: 8px; }
  .toolbar-brand { min-width: 0; flex: 1 1 190px; }
  .toolbar-brand b { font-size: 11px; }
  .reader-controls { flex: 1 1 100%; display: grid; grid-template-columns: 1fr 1fr auto; gap: 7px; }
  .control-field select { width: 100%; max-width: none; min-width: 0; font-size: 12px; }
  .print-button { padding: 0 10px; }
  .print-button > span:last-child { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .publication { margin: 0; }
  .sheet { width: 100%; min-height: 0; margin: 0 0 10px; padding: 28px 22px 58px; box-shadow: none; }
  .sheet::before { width: 5px; height: 120px; }
  .sheet h2, .sheet-heading.compact h2 { font-size: 26px; line-height: 1.2; }
  .sheet-heading > p:last-child { font-size: 14px; }
  .folio { right: 22px; bottom: 18px; left: 22px; }
  .cover-layout, .principles-layout, .community-visual-row, .safety-layout { grid-template-columns: 1fr; }
  .sheet-cover { min-height: calc(100vh - 116px); }
  .cover-layout { padding-top: 30px; }
  .cover-copy h1 { font-size: 38px; }
  .cover-visual { height: 66vh; min-height: 430px; }
  .cover-meta { grid-template-columns: 1fr; }
  .cover-meta > div { min-height: 0; border-right: 0; border-bottom: 1px solid #526170; }
  .problem-grid, .check-list, .pledge-list { grid-template-columns: 1fr; }
  .problem-item { min-height: 0; }
  .learning-loop > div { display: block; }
  .learning-loop ol, .workflow-section ol { grid-template-columns: 1fr 1fr; }
  .learning-loop li:not(:last-child)::after { display: none; }
  .case-visual, .case-visual img { min-height: 0; height: 110vw; max-height: 580px; }
  .learner-path { grid-template-columns: 1fr 1fr; }
  .learner-role { min-height: 0; border-bottom: 1px solid var(--line); }
  .track { flex-basis: 50%; }
  .evidence-section, .ai-integrity, .north-star { grid-template-columns: 1fr; }
  .evidence-section ul { grid-template-columns: 1fr; }
  .community-visual-row figure { height: 62vw; }
  .entity-model { grid-template-columns: 1fr; }
  .entity-bridge { min-height: 38px; }
  .allocation-heading { display: block; }
  .allocation-bar { grid-template-columns: 1fr; }
  .economy-bottom { grid-template-columns: 1fr; }
  .safety-layout figure { height: 90vw; max-height: 540px; }
  .ai-integrity ol { grid-template-columns: 1fr; }
  .roadmap-phases { grid-template-columns: 1fr; }
  .roadmap-phase { min-height: 0; }
  .roadmap-phase h3 { margin-top: 22px; }
  .action-strip > div { grid-template-columns: 1fr; }
  .pledge-close { align-items: flex-start; flex-direction: column; }
}

@page { size: A4; margin: 0; }
@media print {
  :root { --page-pad: 14mm; }
  html, body { width: 210mm; background: #fff; }
  body { print-color-adjust: exact; -webkit-print-color-adjust: exact; }
  [data-print-hidden], .skip-link { display: none !important; }
  .publication { width: 210mm; margin: 0; }
  .sheet {
    width: 210mm;
    height: 297mm;
    min-height: 297mm;
    max-height: 297mm;
    margin: 0;
    box-shadow: none;
    page-break-after: always;
    break-after: page;
  }
  .sheet:last-child { page-break-after: auto; break-after: auto; }
}