/* Preview-only content layouts. Visual tokens, typography, header, hero,
   buttons, cards, bands and footer come from the unchanged original styles. */
html { scroll-padding-top: 85px; }
[hidden] { display: none !important; }
a:focus-visible, button:focus-visible, [tabindex]:focus-visible { outline: 2px solid var(--teal); outline-offset: 4px; }
.skip-link { position: absolute; top: -80px; left: 16px; padding: 12px; background: var(--ink); color: white; z-index: 100; }
.skip-link:focus { top: 8px; }
.pt-lang { align-items: center; white-space: nowrap; gap: 10px; }
.preview-label { color: var(--muted); font-size: 11px; }
.original-link { color: var(--ink); font-size: 12px; }
.preview-subtitle { max-width: 750px; margin: 22px auto 0; font-size: 17px; font-weight: 400; }
.hero-title { text-wrap: balance; }
.title-phrase { display: inline-block; }
.hero-actions .btn-primary { gap: 14px; }
.action-note { margin: 16px auto 0; color: var(--muted); font-size: 12px; }
.eyebrow { font-size: 12px; font-weight: 500; color: var(--teal-ink); margin-bottom: 12px; }
.section-heading > p { font-size: 16px; color: var(--muted); margin-top: 14px; }
.case-layout { display: grid; grid-template-columns: 330px minmax(0,1fr); overflow: hidden; }
.case-brief { padding: 30px 28px; background: var(--bg-alt); border-right: 1px solid var(--line-soft); display: flex; flex-direction: column; align-items: flex-start; }
.case-kicker { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 12px; margin-bottom: 22px; }
.tag { display: inline-flex; align-items: center; padding: 2px 9px; border-radius: 999px; font-size: 11.5px; font-weight: 500; white-space: nowrap; }
.tag::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: currentColor; margin-right: 6px; flex: none; }
.tag.rose { color: var(--pink-ink); background: var(--pink-soft); }
.tag.teal { color: var(--teal-ink); background: var(--teal-soft); }
.tag.neutral, .tag.amber { background: #eef2f7; color: #4b5563; }
.case-brief h3 { font-size: 23px; line-height: 1.65; font-weight: 600; color: var(--ink); margin-bottom: 16px; }
.case-brief > p { font-size: 14px; line-height: 1.9; color: var(--muted); }
.brief-details { margin: 22px 0; padding-top: 18px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); }
.brief-details > span { font-size: 12px; color: var(--text); font-weight: 500; }
.brief-details p { margin-top: 7px; }
.case-brief .text-link { margin-top: auto; font-size: 13px; color: var(--teal-ink); }
.case-brief .case-date { font-size: 12px; margin-top: 12px; }
.case-workspace { min-width: 0; display: flex; flex-direction: column; }
.case-workspace > .tabs, .artifact-tabs { gap: 6px; padding: 18px 24px; margin: 0; border-bottom: 1px solid var(--line-soft); }
.tabs button { background: transparent; border: 0; padding: 5px 12px; border-radius: 999px; font-size: 13px; color: var(--muted); }
.tabs button:hover { color: var(--ink); }
.tabs button[aria-selected='true'] { background: var(--teal-soft); color: var(--teal-ink); font-weight: 500; }
.case-panel { padding: 26px 28px; min-height: 415px; flex: 1; }
.panel-label { color: var(--muted); font-size: 12px; margin-bottom: 8px; }
.case-panel h3 { color: var(--ink); font-size: 21px; font-weight: 600; line-height: 1.5; margin-bottom: 22px; }
.requirement-row { display: grid; grid-template-columns: 86px minmax(0,1fr); gap: 16px; border-bottom: 1px solid var(--line-soft); padding: 12px 0; font-size: 13px; line-height: 1.8; }
.requirement-row strong { font-weight: 500; color: var(--ink); }
.requirement-row.table-head { color: var(--muted); font-size: 12px; padding-top: 0; }
.source-link { display: inline-block; font-size: 12px; color: var(--teal-ink); line-height: 1.8; text-decoration: underline; text-decoration-color: var(--teal-line); text-underline-offset: 4px; }
.case-panel > .source-link { margin-top: 20px; }
.case-bottom { padding: 14px 28px; font-size: 12px; color: var(--muted); background: var(--bg-alt); border-top: 1px solid var(--line-soft); line-height: 1.8; }
.small-dot { display: inline-block; background: var(--pink-ink); width: 5px; height: 5px; border-radius: 50%; margin-right: 7px; vertical-align: middle; }
.token-row { display: flex; flex-wrap: wrap; gap: 7px; }
.token-row span { font-size: 11.5px; background: var(--bg-alt); color: var(--muted); border: 1px solid var(--line-soft); padding: 3px 9px; border-radius: 999px; }
.decision-list article { display: flex; gap: 15px; margin: 20px 0; }
.decision-number { flex: none; display: grid; place-items: center; width: 25px; height: 25px; font: 12px var(--mono); color: var(--teal-ink); background: var(--teal-soft); border-radius: 50%; }
.decision-list h4, .gap-list h4 { color: var(--ink); font-size: 14px; font-weight: 600; margin-bottom: 5px; }
.decision-list p, .gap-list p { font-size: 13px; line-height: 1.85; color: var(--muted); }
.decision-list .token-row { margin-top: 10px; }
.gap-list article { display: flex; align-items: flex-start; gap: 14px; margin: 20px 0; }
.gap-list .tag { margin-top: 3px; }
.takeaway { border-left: 2px solid var(--teal); padding: 8px 13px; background: var(--teal-soft); font-size: 13px; }
.stage-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; }
.stage { padding: 22px; display: flex; flex-direction: column; align-items: flex-start; }
.stage-top { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.stage-number { font: 13px var(--mono); color: var(--muted); }
.stage h3 { font-size: 18px; font-weight: 600; color: var(--ink); margin: 18px 0 12px; }
.stage > p { font-size: 13px; color: var(--muted); line-height: 1.9; flex: 1; }
.stage-output { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 20px 0; padding-top: 14px; width: 100%; border-top: 1px solid var(--line-soft); font-size: 13px; }
.stage-output > span { font-size: 12px; color: var(--muted); }
.stage-output strong { color: var(--text); font-weight: 500; }
.stage .text-link { font-size: 13px; color: var(--teal-ink); }
.stage > small { margin-top: 12px; color: var(--muted); line-height: 1.8; font-size: 12px; }
.artifact-shell { overflow: hidden; }
.artifact-panel { display: grid; grid-template-columns: .85fr 1.15fr; gap: 40px; padding: 32px; }
.artifact-explanation h3 { font-size: 25px; color: var(--ink); line-height: 1.5; font-weight: 600; margin: 18px 0; }
.artifact-explanation > p { color: var(--muted); font-size: 14px; line-height: 1.9; }
.check-list { list-style: none; padding: 0; margin: 22px 0; font-size: 13px; color: var(--muted); }
.check-list li { position: relative; padding-left: 20px; margin: 8px 0; }
.check-list li::before { content: '✓'; position: absolute; left: 0; color: var(--teal-ink); }
.artifact-links { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; margin-top: 26px; }
.artifact-links .text-link { font-size: 13px; color: var(--teal-ink); }
.artifact-links .btn-primary { gap: 12px; font-size: 13px; padding-inline: 20px; }
.artifact-links small { font-size: 12px; color: var(--muted); }
.evidence-card, .code-card { min-width: 0; overflow: hidden; align-self: start; box-shadow: none; }
.file-heading { display: flex; align-items: center; gap: 9px; background: var(--bg-alt); border-bottom: 1px solid var(--line-soft); padding: 14px 18px; color: var(--ink); font: 12px var(--mono); line-height: 1.6; }
.file-heading > span:last-child:not(.file-dot) { margin-left: auto; font-family: var(--sans); font-size: 12px; color: var(--muted); }
.file-dot { width: 7px; height: 7px; background: var(--teal); border-radius: 50%; flex: none; }
.evidence-inner { padding: 22px; }
.small-caps { color: var(--muted); font-size: 12px; }
.conflict { display: grid; grid-template-columns: 1fr 24px 1fr; align-items: center; gap: 8px; margin: 14px 0 10px; }
.conflict > div { padding: 14px 12px; border: 1px solid var(--line-soft); border-radius: 12px; background: var(--bg-alt); }
.conflict strong { display: block; color: var(--ink); font-size: 27px; font-weight: 600; line-height: 1.2; }
.conflict span { display: block; color: var(--muted); font-size: 12px; line-height: 1.7; margin-top: 7px; }
.conflict > b { color: var(--pink-ink); font-size: 22px; text-align: center; }
.conflict .kept { border-color: var(--teal-line); background: var(--teal-soft); }
.kept strong { color: var(--teal-ink); }
hr { border: 0; border-top: 1px solid var(--line-soft); margin: 22px 0; }
.split-bar { display: flex; gap: 3px; height: 15px; border-radius: 7px; overflow: hidden; margin-top: 17px; }
.split-bar span { background: var(--teal); }
.split-bar span:nth-child(2) { background: #9ca3af; }
.split-bar span:nth-child(3) { background: #d1d5db; }
.split-labels { display: grid; grid-template-columns: 1fr 1fr 1.35fr; gap: 10px; margin-top: 12px; }
.split-labels strong { font-size: 17px; color: var(--ink); font-weight: 500; }
.split-labels span { display: block; font-size: 12px; color: var(--muted); line-height: 1.8; }
.evidence-note { font-size: 12px; color: var(--pink-ink); line-height: 1.8; margin-top: 19px; padding-top: 14px; border-top: 1px solid var(--line-soft); }
.artifact-scope { font-size: 12px; color: var(--muted); text-align: center; margin: 20px auto 0; max-width: 850px; }
.copy-button { margin-left: auto; border: 1px solid var(--line); color: var(--teal-ink); background: white; border-radius: 999px; padding: 3px 9px; font: 11px var(--sans); cursor: pointer; white-space: nowrap; }
.copy-button:hover { background: var(--teal-soft); }
pre { font: 12px/1.8 var(--mono); margin: 0; tab-size: 2; }
.code-card > pre { background: var(--bg-alt); color: var(--text); padding: 22px; overflow: auto; max-height: 350px; }
.code-card > pre code { font: inherit; }
.code-context { padding: 18px 22px; border-top: 1px solid var(--line-soft); }
.code-context > span { display: block; color: var(--muted); font-size: 12px; margin-bottom: 8px; }
.code-context pre { color: var(--text); font-size: 12px; }
.code-note { padding: 14px 22px; border-top: 1px solid var(--line-soft); font-size: 12px; line-height: 1.8; color: var(--muted); }
.schema-keys { padding: 16px 22px; }
.schema-keys > div { display: flex; align-items: center; gap: 16px; margin: 7px 0; font-size: 12px; }
.schema-keys code { width: 90px; color: var(--teal-ink); font-size: 12px; }
.schema-keys span { color: var(--muted); }
.coverage-layout { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 65px; }
.coverage-copy { color: var(--muted); font-size: 14px; line-height: 2; margin: 20px 0 24px; }
.coverage-layout .text-link { font-size: 14px; color: var(--teal-ink); }
.coverage-chart { padding: 28px 32px; border: 1px solid var(--line-soft); border-radius: var(--radius); box-shadow: var(--shadow); }
.chart-heading { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 22px; }
.chart-heading h3 { font-size: 15px; font-weight: 600; color: var(--ink); }
.chart-heading > span { color: var(--muted); font-size: 12px; white-space: nowrap; }
.bar-row { display: grid; grid-template-columns: 44px 1fr 30px; gap: 14px; align-items: center; margin: 13px 0; font-size: 13px; }
.bar-row > div { height: 8px; border-radius: 999px; overflow: hidden; }
.bar-row i { display: block; width: var(--bar); height: 100%; background: var(--teal); opacity: .8; border-radius: 999px; }
.bar-row strong { text-align: right; font-size: 12px; font-weight: 500; color: var(--ink); }
.bar-row i.pink-bar { background: var(--pink-ink); }
.coverage-chart > p { color: var(--muted); font-size: 12px; margin-top: 24px; }
.closing { text-align: center; }
.closing-inner > div > p:last-child { margin-top: 16px; font-size: 16px; color: var(--muted); }
.closing-actions { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 24px; margin-top: 28px; }
.closing-actions .btn-primary { gap: 14px; }
.closing-actions .text-link { font-size: 14px; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 30px; font-size: 12px; color: var(--muted); }
.footer-inner > div p { margin-top: 10px; }
.footer-inner > p { line-height: 2; }
.footer-inner > p span { color: var(--faint); }
.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); border-radius: 999px; background: var(--ink); color: white; padding: 12px 20px; z-index: 100; font-size: 13px; box-shadow: var(--shadow); max-width: calc(100% - 32px); }
@media (max-width: 900px) {
 .case-layout { grid-template-columns: minmax(0,1fr); }
 .case-brief { border-right: 0; border-bottom: 1px solid var(--line-soft); }
 .case-brief h3 br { display: none; }
 .case-brief .text-link { margin-top: 0; }
 .case-panel { min-height: 410px; }
 .stage-grid { grid-template-columns: minmax(0,1fr); }
 .stage-top { flex-direction: row; align-items: center; justify-content: space-between; width: 100%; }
 .artifact-panel { grid-template-columns: minmax(0,1fr); }
 .artifact-explanation h3 br { display: none; }
 .coverage-layout { grid-template-columns: minmax(0,1fr); gap: 32px; }
 .coverage-layout > div:first-child { text-align: center; }
 .coverage-copy br { display: none; }
}
@media (max-width: 560px) {
 .preview-subtitle { font-size: 15px; }
 .hero-actions { gap: 18px 25px; margin-top: 28px; }
 .hero-actions .btn-primary { min-width: 230px; }
 .hero-actions .text-link { font-size: 13px; }
 .action-note { max-width: 290px; font-size: 11px; line-height: 1.8; }
 .stat-label { font-size: 12px; }
 .section-heading > p { font-size: 14px; }
 .section-heading > p br { display: none; }
 .case-brief { padding: 24px 22px; }
 .case-brief h3 { font-size: 21px; }
 .case-workspace > .tabs, .artifact-tabs { padding: 14px; gap: 3px; }
 .tabs button { font-size: 11px; padding: 5px 9px; }
 .case-panel { padding: 24px 20px; min-height: 450px; }
 .case-panel h3 { font-size: 19px; }
 .requirement-row { grid-template-columns: 70px minmax(0,1fr); gap: 10px; font-size: 12px; }
 .case-bottom { padding: 14px 20px; }
 .gap-list article { gap: 10px; }
 .artifact-panel { padding: 22px 18px; gap: 28px; }
 .artifact-explanation h3 { font-size: 22px; }
 .artifact-tabs button { font-size: 13px; }
 .evidence-inner { padding: 18px; }
 .conflict { grid-template-columns: 1fr 18px 1fr; gap: 5px; }
 .conflict > div { padding: 12px 8px; }
 .conflict strong { font-size: 24px; }
 .conflict span { font-size: 11px; }
 .file-heading { padding: 12px; font-size: 11px; }
 .file-heading > span:last-child:not(.file-dot) { font-size: 11px; }
 .code-card > pre { padding: 17px; font-size: 11px; }
 .code-note, .code-context, .schema-keys { padding: 14px 17px; }
 .schema-keys > div { gap: 7px; font-size: 11px; }
 .schema-keys code { width: 80px; font-size: 11px; }
 .artifact-scope { text-align: left; }
 .coverage-chart { padding: 24px 18px; }
 .chart-heading h3 { font-size: 14px; }
 .chart-heading > span { font-size: 11px; }
 .closing-inner > div > p:last-child { font-size: 14px; }
 .footer-inner { gap: 24px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* Revision 2: more explicit task and evidence content, original visual tokens. */
.task-branches { display:grid; grid-template-columns:1fr 1.3fr; gap:12px; margin-bottom:22px; }
.task-branches > div { border:1px solid var(--line-soft); border-radius:12px; padding:16px; }
.task-branches .selected-branch { background:var(--teal-soft); border-color:var(--teal-line); }
.task-branches strong, .cohort-flow h4, .report-principles h4 { font-size:14px; color:var(--ink); }
.task-branches p, .cohort-flow p { font-size:13px; line-height:1.85; color:var(--muted); margin:8px 0; }
.case-panel .takeaway { margin-top:20px; line-height:1.85; }
.cohort-flow { display:grid; grid-template-columns:1fr 15px 1fr 15px 1fr; gap:8px; align-items:stretch; }
.cohort-flow article { background:var(--bg-alt); border:1px solid var(--line-soft); border-radius:12px; padding:14px 12px; }
.cohort-flow h4 { margin:14px 0 8px; }
.cohort-flow article > strong { font-size:22px; color:var(--ink); }
.flow-arrow { align-self:center; color:var(--teal-ink); }
.detail-note { font-size:12px; line-height:1.85; color:var(--muted); margin-top:16px; }
.report-principles article { margin-top:22px; }
.report-principles p { font-size:13px; line-height:1.9; color:var(--muted); margin-top:6px; }
.evidence-details { border-top:1px solid var(--line-soft); margin-top:20px; padding-top:18px; font-size:12px; line-height:1.85; }
.evidence-details summary { color:var(--ink); cursor:pointer; font-weight:500; }
.evidence-details dt { color:var(--ink); margin-top:14px; font-weight:500; }
.evidence-details dd { margin:4px 0 0; color:var(--muted); }
.evidence-details .source-link { margin-top:15px; }
.database-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:20px; }
.database-card { padding:28px; }
.database-card h3, .relation-card h3 { font-size:20px; color:var(--ink); margin:16px 0 12px; line-height:1.6; }
.database-card > p, .relation-card p { font-size:13px; line-height:1.9; color:var(--muted); }
.database-card small { display:block; margin-top:20px; color:var(--muted); font-size:12px; line-height:1.8; }
.metric-list { margin:20px 0; }
.metric-list > div { display:flex; justify-content:space-between; gap:12px; border-bottom:1px solid var(--line-soft); padding:11px 0; font-size:13px; }
.metric-list dd { margin:0; color:var(--teal-ink); font-weight:500; }
.relation-card { padding:30px; margin-top:22px; display:grid; grid-template-columns:1.2fr 1fr; gap:40px; align-items:center; }
.relation-card h3 { margin-top:0; }
.relation-card p + p { margin-top:12px; }
.relation-card .source-link { margin-top:16px; }
.relation-inputs { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.relation-inputs > div, .relation-target { border:1px solid var(--line-soft); border-radius:12px; padding:16px; background:var(--bg-alt); text-align:center; }
.relation-figure strong { display:block; color:var(--ink); font-size:15px; }
.relation-figure span { display:block; font-size:12px; color:var(--muted); margin-top:6px; }
.relation-connect { text-align:center; color:var(--teal-ink); margin:12px 0; font-size:12px; }
.relation-target { background:var(--teal-soft); border-color:var(--teal-line); }
.relation-figure > p { font-size:12px; margin-top:12px; }
.coverage-foot { display:flex; justify-content:space-between; gap:24px; margin-top:24px; align-items:center; }
.coverage-foot p { color:var(--muted); font-size:12px; line-height:1.85; max-width:750px; }
.coverage-foot a { white-space:nowrap; font-size:13px; }
@media(max-width:900px) { .relation-card { grid-template-columns:1fr; gap:24px; } }
@media(max-width:560px) {
 .task-branches, .database-grid { grid-template-columns:1fr; }
 .cohort-flow { grid-template-columns:1fr; }
 .flow-arrow { justify-self:center; transform:rotate(90deg); }
 .cohort-flow article { padding:18px; }
 .database-card, .relation-card { padding:22px; }
 .coverage-foot { flex-direction:column; align-items:flex-start; }
 .relation-inputs { gap:8px; }
 .relation-inputs > div { padding:14px 8px; }
}

/* Revision 3: a continuous reading path, using the original theme. */
.header-descriptor {color:var(--muted);font-size:13px;}
.intro-services {margin-top:42px;text-align:left;position:relative;}
.intro-services > h2 {font-size:20px;color:var(--ink);text-align:center;margin-bottom:22px;}
.intro-services .stage h3 {margin-top:10px;}
.intro-services .stage-output {margin-bottom:0;}
.original-need {padding:30px;margin-bottom:22px;}
.original-need h3 {font-size:22px;line-height:1.65;color:var(--ink);margin:16px 0;}
.original-need p {font-size:15px;line-height:1.95;color:var(--text);max-width:950px;}
.original-need .term-note {font-size:12px;color:var(--muted);margin-top:14px;}
.linear-case {padding:6px 32px;}
.linear-step {display:grid;grid-template-columns:38px minmax(0,1fr);gap:20px;padding:30px 0;}
.linear-step + .linear-step {border-top:1px solid var(--line-soft);}
.step-index {width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:var(--teal-soft);color:var(--teal-ink);font:15px var(--mono);}
.linear-step h3 {font-size:21px;color:var(--ink);line-height:1.6;margin-bottom:14px;}
.linear-step > div > p {font-size:14px;line-height:1.95;color:var(--muted);margin-bottom:18px;}
.linear-step .task-branches {margin-top:20px;margin-bottom:0;grid-template-columns:1fr 1fr;}
.composition-grid {display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;}
.composition-grid > div {padding:18px;border:1px solid var(--line-soft);border-radius:12px;background:var(--bg-alt);}
.composition-grid h4 {font-size:15px;color:var(--ink);margin:16px 0 9px;}
.composition-grid p,.relation-inline p {font-size:13px;line-height:1.9;color:var(--muted);}
.relation-inline {background:var(--teal-soft);padding:18px;margin:18px 0;border-radius:12px;}
.relation-inline strong {font-size:14px;color:var(--teal-ink);}
.relation-inline p {margin-top:8px;}
.artifact-panel + .artifact-panel {border-top:1px solid var(--line-soft);}
.report-fields dt {font-size:12px;font-weight:600;color:var(--teal-ink);margin-top:16px;}
.report-fields dt:first-child {margin-top:0;}
.report-fields dd {font-size:13px;line-height:1.9;color:var(--text);margin:5px 0 0;}
.field-matrix {display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px;}
.field-matrix > div {background:var(--bg-alt);border-radius:10px;padding:14px;}
.field-matrix strong {display:block;color:var(--ink);font-size:13px;}
.field-matrix span {display:block;color:var(--muted);font-size:12px;margin-top:7px;line-height:1.8;}
.organ-chart {margin-top:28px;}
.organ-chart .bar-row {grid-template-columns:52px 1fr 30px;margin:18px 0;}
.organ-chart .bar-row > div {height:11px;background:var(--bg-alt);}
.foundation-flow {padding:28px;margin-top:22px;}
.foundation-flow > h3 {font-size:20px;color:var(--ink);margin-bottom:24px;}
.foundation-grid {display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;}
.foundation-grid h4 {font-size:16px;color:var(--ink);margin:16px 0 10px;}
.foundation-grid p {font-size:13px;line-height:1.9;color:var(--muted);}
.foundation-result {margin-top:18px;padding-top:14px;border-top:1px solid var(--line-soft);font-size:13px;color:var(--teal-ink);}
@media(max-width:900px){.composition-grid{grid-template-columns:1fr}.foundation-grid{grid-template-columns:1fr}.header-descriptor{font-size:11px}}
@media(max-width:560px){.header-descriptor{display:none}.original-need{padding:22px}.original-need h3{font-size:20px}.linear-case{padding:0 18px}.linear-step{grid-template-columns:1fr;gap:12px;padding:24px 0}.linear-step h3{font-size:19px}.linear-step .task-branches{grid-template-columns:1fr}.field-matrix{grid-template-columns:1fr}.foundation-flow{padding:22px}.relation-inline strong{overflow-wrap:anywhere}.title-phrase{white-space:normal}.hero-title{font-size:clamp(28px,5vw,56px)}}

/* Revision 4: two product layers, evidence tabs and secondary-page entrances. */
.two-layer-intro {display:grid;grid-template-columns:1fr 32px 1fr;align-items:center;gap:18px;margin:38px auto 0;max-width:820px;text-align:left;padding:22px 26px;border:1px solid var(--line-soft);border-radius:var(--radius);background:rgba(255,255,255,.8);}
.two-layer-intro div > span{display:block;font-size:12px;color:var(--teal-ink);margin-bottom:8px;}
.two-layer-intro strong{font-size:14px;color:var(--ink);font-weight:500;line-height:1.8;}
.layer-arrow{color:var(--teal-ink);text-align:center;}
.excerpt-title{font-size:19px;line-height:1.65;color:var(--ink);margin:16px 0;}
.source-chain{padding:16px;background:var(--teal-soft);border-radius:10px;font-size:14px;color:var(--teal-ink);}
.artifact-tabs{display:flex;flex-wrap:wrap;}
.artifact-panel + .artifact-panel{border-top:0;}
.hero-actions .tag{margin-left:5px;}
@media(max-width:560px){.two-layer-intro{grid-template-columns:1fr;padding:20px;gap:12px}.layer-arrow{transform:rotate(90deg)}.pt-header-inner .pt-nav{display:flex;gap:12px}.pt-nav a{font-size:11px}.pt-lang{display:none}.artifact-tabs button{font-size:12px}.artifact-tabs{padding:14px 10px}.hero-actions{flex-direction:column}.two-layer-intro strong{font-size:13px}}

/* Revision 5: concrete benefits first; richer evidence, compact copy. */
.hero .intro-services{margin-top:34px}.hero .hero-stats{margin-top:32px}.hero .stage{background:rgba(255,255,255,.94)}
.common-sites{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0 24px}.common-sites>div{padding:15px 10px;border-radius:10px;background:var(--teal-soft);text-align:center}.common-sites strong{display:block;font-size:27px;color:var(--teal-ink)}.common-sites span{font-size:12px;color:var(--muted)}
.modality-bars{margin:24px 0}.modality-bars .bar-row{grid-template-columns:110px 1fr 30px;font-size:12px}.bar-row>div{background:var(--bg-alt)}
.research-counts{margin-top:24px;border-top:1px solid var(--line-soft);padding-top:14px}.research-counts p{font-size:13px;color:var(--muted);margin:8px 0}.research-counts strong{font-size:23px;color:var(--teal-ink);margin-right:6px}
.material-overview{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin:0 0 26px}.material-overview>div{border-top:2px solid var(--teal-line);padding:15px 4px}.material-overview strong{display:block;font-size:14px;color:var(--ink);margin-bottom:8px}.material-overview span{font-size:12px;line-height:1.9;color:var(--muted)}
.platform-summary{margin-top:24px;padding-top:20px;border-top:1px solid var(--line-soft)}.platform-summary h4{font-size:14px;color:var(--ink);margin-bottom:14px}.platform-bars .bar-row{grid-template-columns:95px 1fr 28px;font-size:12px;margin:10px 0}
.official-samples{padding:20px;background:var(--bg-alt)}.official-samples p{font-size:12px;color:var(--muted);margin:10px 0}.official-samples pre{font-size:12px;overflow:auto}.mapping-caption{margin-top:14px;font-size:12px;color:var(--teal-ink)}
.case-results{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:24px}.case-results article{border:1px solid var(--line-soft);border-radius:var(--radius);padding:22px;background:white}.case-results h4{font-size:16px;color:var(--ink);line-height:1.65;margin:14px 0 10px}.case-results p{font-size:13px;line-height:1.9;color:var(--muted)}
@media(max-width:900px){.material-overview{grid-template-columns:repeat(3,1fr)}.case-results{grid-template-columns:1fr}}
@media(max-width:560px){.material-overview{grid-template-columns:repeat(2,1fr);gap:10px}.modality-bars .bar-row{grid-template-columns:102px 1fr 26px;gap:8px}.hero .stage-output{margin-top:14px}.hero .hero-stats{margin-top:28px}.common-sites strong{font-size:24px}}

/* ---- merged revision ---- */
.hero-stats--three{grid-template-columns:repeat(3,minmax(0,1fr));max-width:760px}
.artifact-tabs.material-tabs{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;padding:18px 24px}
.material-tabs button{display:flex;flex-direction:column;align-items:flex-start;gap:6px;text-align:left;border-radius:10px;border-top:2px solid var(--line-soft);padding:12px 12px 14px;cursor:pointer}
.material-tabs button strong{font-size:14px;font-weight:600;color:var(--ink)}
.material-tabs button span{font-size:12px;line-height:1.7;color:var(--muted);font-weight:400}
.material-tabs button:hover{background:var(--bg-alt)}
.material-tabs button[aria-selected='true']{background:var(--teal-soft);border-top-color:var(--teal)}
.material-tabs button[aria-selected='true'] strong{color:var(--teal-ink)}
.linear-step h3 + p{margin-top:-4px;margin-bottom:14px;font-size:14px;color:var(--muted)}
@media(max-width:900px){.artifact-tabs.material-tabs{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:560px){.artifact-tabs.material-tabs{grid-template-columns:repeat(2,minmax(0,1fr));padding:14px 10px;gap:8px}.material-tabs button{padding:10px}.material-tabs button strong{font-size:13px}.hero-stats--three{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.hero-stats--three .stat-label{font-size:12px}}

/* Prominent atlas entrance and case search evidence. */
.coverage-foot{justify-content:center;margin-top:32px}.coverage-foot .atlas-cta{font-size:16px;padding:16px 32px;min-width:250px;justify-content:center;gap:20px;color:white;box-shadow:var(--shadow)}
.case-search-scope{padding:20px;background:var(--bg-alt);border:1px solid var(--line-soft);border-radius:12px;margin:18px 0 22px}.case-search-scope h4{font-size:16px;color:var(--ink);margin:12px 0 8px}.case-search-scope p{font-size:13px;line-height:1.9;color:var(--muted)}.search-platforms{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.search-platforms span{font-size:12px;border:1px solid var(--line-soft);padding:5px 10px;border-radius:8px;background:white;color:var(--text)}

.delivery-counts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0}.delivery-counts>div{padding:18px;background:var(--teal-soft);border-radius:10px}.delivery-counts strong,.delivery-counts span{display:block}.delivery-counts strong{font-size:18px;color:var(--teal-ink)}.delivery-counts span{font-size:12px;color:var(--muted);margin-top:8px}.delivery-files{display:flex;flex-wrap:wrap;gap:16px;margin:18px 0}.linear-step>div>.tag{margin-bottom:14px}@media(max-width:560px){.delivery-counts{grid-template-columns:1fr}.delivery-files{flex-direction:column;gap:10px}}

/* Revision 6: live-site charts in 01, generic-first materials, drug-sensitivity case. */
.coverage-section .vz-grid{margin-top:4px}
.coverage-section .vz-card{background:#fff}
.support-card .vz-body{display:flex;flex-direction:column;flex:1;margin-bottom:0}
.support-card .research-counts{margin-top:auto;padding-top:14px}
.example-lead{font-size:13px;line-height:1.85;color:var(--text);margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid var(--line-soft)}
.material-stats{margin-top:24px}
.material-stats .vz-sub{margin-top:22px}
.material-stats .feature-line{font-size:12px;color:var(--muted);margin-top:10px;line-height:1.8}
.reliability-note{margin-top:22px;padding:16px 18px;border-radius:12px;background:var(--teal-soft);border:1px solid var(--teal-line)}
.reliability-note strong{display:block;font-size:15px;font-weight:600;color:var(--teal-ink);margin-bottom:6px}
.reliability-note p{font-size:13px;line-height:1.85;color:var(--text)}
.code-card .dl-verdict{margin:0;padding:12px 22px;border-bottom:1px solid var(--line-soft)}
.code-why{list-style:none;padding:0;margin:0}
.code-why li{position:relative;padding-left:14px;font-size:12px;line-height:1.8;color:var(--text);margin:4px 0}
.code-why li::before{content:'';position:absolute;left:2px;top:.75em;width:4px;height:4px;border-radius:50%;background:var(--teal)}
.code-why code{font:11.5px var(--mono);color:var(--teal-ink)}
.label-stats{display:flex;flex-wrap:wrap;gap:6px;padding:0 22px 16px}
.case-need{padding:30px;margin-bottom:22px}
.case-need h3{font-size:22px;line-height:1.6;color:var(--ink);margin:14px 0 22px}
.drug-map{display:grid;grid-template-columns:2fr 2fr 4fr;gap:18px}
.drug-group h4{font-size:13px;font-weight:600;color:var(--ink);margin-bottom:10px}
.drug-tiles{display:grid;grid-template-columns:repeat(var(--n,2),minmax(0,1fr));gap:8px}
.drug-tile{position:relative;display:flex;flex-direction:column;gap:6px;min-height:118px;padding:14px 12px;border-radius:10px;border:1px solid var(--line);background:var(--bg-alt)}
.drug-tile b{font-size:13px;font-weight:600;color:var(--ink);line-height:1.5}
.drug-tile span{font-size:12px;font-weight:500;color:#6b7280}
.drug-tile small{margin-top:auto;font-size:11.5px;line-height:1.6;color:var(--muted)}
.drug-tile.is-ok{background:var(--teal-soft);border-color:var(--teal-line)}.drug-tile.is-ok span{color:var(--teal-ink)}
.drug-tile.is-gap{background:var(--pink-soft);border-color:var(--pink-line)}.drug-tile.is-gap span{color:var(--pink-ink)}
.drug-tile.is-merge{background:#fff}
.drug-tile.is-closed{background:#f3f4f6;border-color:#d1d5db}
.drug-tile.is-selected{border:2px solid var(--teal);box-shadow:var(--shadow)}
.drug-tile .pick{position:absolute;top:-10px;right:10px;padding:1px 9px;border-radius:999px;background:var(--teal);color:#fff;font:500 11px var(--sans);font-style:normal}
.drug-legend{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:18px;font-size:12px;color:var(--muted)}
.drug-legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;vertical-align:-1px}
.stat-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:18px}
.stat-pair>div{padding:18px;border:1px solid var(--line-soft);border-radius:12px;background:var(--bg-alt)}
.stat-pair h4{font-size:13px;font-weight:600;color:var(--ink);margin-bottom:10px}
.stat-pair strong{display:block;font-size:26px;font-weight:600;line-height:1.25;color:var(--teal-ink)}
.stat-pair p{font-size:13px;line-height:1.85;color:var(--muted);margin-top:8px}
.linear-step .cohort-flow{margin:4px 0 18px}
.cohort-flow article>strong{display:block}
.cohort-flow .flow-pick{background:var(--teal-soft);border-color:var(--teal-line)}
.flow-list{list-style:none;padding:0;margin:0}
.flow-list li{font-size:12.5px;line-height:1.7;color:var(--muted);padding:5px 0;border-top:1px solid var(--line-soft)}
.flow-list li:first-child{border-top:0}
.flow-list b{display:block;font-size:13px;font-weight:600;color:var(--ink)}
.case-results .tag{margin-bottom:2px}
.delivery-duo{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:22px;align-items:start;margin-bottom:6px}
.delivery-duo .code-card{border:1px solid var(--line-soft);border-radius:12px}
.delivery-duo .code-card>pre{max-height:none;padding:16px 18px;font-size:11.5px}
.split-viz .detail-note{margin-top:14px}
.case-actions{flex-direction:row;flex-wrap:wrap;align-items:center;gap:14px 24px;margin-top:18px}
@media(max-width:900px){.drug-map{grid-template-columns:1fr 1fr}.drug-group.is-wide{grid-column:1/-1}.delivery-duo{grid-template-columns:minmax(0,1fr)}}
@media(max-width:560px){.drug-map{grid-template-columns:minmax(0,1fr)}.drug-group.is-wide .drug-tiles{--n:2!important}.drug-tile{min-height:0}.case-need{padding:22px}.case-need h3{font-size:19px}.stat-pair{grid-template-columns:minmax(0,1fr)}.stat-pair strong{font-size:22px}.code-card .dl-verdict{padding:12px 17px}.label-stats{padding:0 17px 14px}}
.support-bars{margin-top:24px}
.coverage-section .cols-axis.is-rot{height:58px}
.drug-tile.is-merge{border-style:dashed;border-color:#9ca3af}.drug-tile.is-closed{background:#eceef1}
.drug-legend .lg-merge{background:#fff;border:1px dashed #9ca3af}.drug-legend .lg-closed{background:#d1d5db}
.drug-legend .c-teal{background:var(--teal-soft);border:1px solid var(--teal)}.drug-legend .c-pink{background:var(--pink-soft);border:1px solid var(--pink-ink)}

/* Bilingual: <t-zh>/<t-en> pairs; the page language comes from merged-preview/lang.js. */
html[lang="en"] t-zh, html:not([lang="en"]) t-en, html[lang="en"] [data-lang="zh"], html:not([lang="en"]) [data-lang="en"] { display: none !important; }
html[lang="en"] .coverage-section .cols-axis.is-rot { height: 92px; }
.pt-header-inner > a:first-child { display: flex; align-items: center; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--ink); }
@media (max-width: 560px) { .pt-lang { display: flex; } .pt-header-inner .pt-nav { gap: 18px; } .pt-nav a { font-size: 12.5px; } }
@media (max-width: 560px) {
  .linear-step { grid-template-columns: minmax(0, 1fr); }
  .linear-step .tag { white-space: normal; }
  html[lang="en"] .pt-header-inner .pt-nav { gap: 12px; }
  html[lang="en"] .pt-nav a { font-size: 12px; }
}