/* C15 editorial guide. Shared C14 tokens continue to own colour and appearance. */
.hrv-page { --article-max: 780px; }
.hrv-hero { display: grid; grid-template-columns: minmax(0,1.15fr) minmax(0,.85fr); align-items: center; gap: 64px; padding-block: 94px 56px; }
.hrv-hero h1 { font-size: clamp(56px,6.7vw,92px); line-height: 1.08; letter-spacing: -.055em; margin: 25px 0 28px; }
.hrv-hero h1 span { display: block; }
.hrv-hero h1 span:first-child { color: var(--muted); font-weight: 500; }
.hrv-page:lang(zh) .hrv-hero h1,.hrv-page:lang(ja) .hrv-hero h1 { line-height: 1.18; letter-spacing: -.045em; }
.hrv-hero .lead { max-width: 35em; color: var(--muted); font-size: 20px; line-height: 1.8; }
.hrv-meta { margin: 22px 0 0; font-size: 13px; color: var(--muted); }
.hrv-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.hrv-signal { padding: 28px; border-radius: 28px; color: #ededed; background: #111; border: 1px solid #3b3b3b; }
.hrv-signal-top,.hrv-signal-bottom { display: flex; justify-content: space-between; gap: 16px; font: 12px/1.6 ui-monospace,monospace; color: #bbb; }
.hrv-signal-top strong { color: #fff; font-size: 14px; letter-spacing: .12em; }
.hrv-signal svg { width: 100%; height: auto; margin-block: 25px 20px; }
.hrv-signal-result { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 28px; border-top: 1px solid #3d3d3d; padding-top: 24px; }
.hrv-signal-result small { color: #aaa; display: block; font-size: 12px; margin-bottom: 8px; }
.hrv-signal-result strong { font-size: 34px; font-weight: 500; letter-spacing: -.035em; }
.hrv-signal-result strong span { font-size: 16px; }
.hrv-stats { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 24px; padding-block: 32px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.hrv-stats strong { display: block; font-size: 31px; font-weight: 540; letter-spacing: -.04em; margin-bottom: 8px; }
.hrv-stats span { color: var(--muted); font-size: 14px; }
.hrv-caveat { color: var(--muted); font-size: 14px; line-height: 1.8; margin: 26px auto 64px; }
.hrv-layout { display: grid; grid-template-columns: 250px minmax(0,1fr); gap: clamp(35px,6vw,96px); align-items: start; }
.hrv-layout > *, .hrv-hero > * { min-width: 0; }
.hrv-layout > aside { position: sticky; top: 112px; }
.hrv-page .hrv-toc { border-radius: 18px; padding: 5px; border: 1px solid var(--line); background: var(--glass-solid); }
.hrv-toc > summary { min-height: 50px; padding: 13px; font-weight: 650; cursor: pointer; }
.hrv-page .hrv-toc .policy-nav { max-height: calc(100dvh - 220px); overflow-y: auto; padding-bottom: 5px; }
.hrv-page .hrv-toc .policy-nav a { min-height: 44px; display: flex; align-items: center; gap: 10px; font-size: 13px; line-height: 1.55; border-radius: 8px; }
.hrv-toc a small { font: 11px ui-monospace,monospace; opacity: .7; flex-shrink: 0; }
.hrv-chapter { padding-bottom: 68px; margin-bottom: 60px; border-bottom: 1px solid var(--line); scroll-margin-top: 28px; }
.hrv-chapter:last-child { border-bottom: 0; }
.hrv-chapter-number { display: block; font: 12px ui-monospace,monospace; letter-spacing: .12em; color: var(--muted); margin-bottom: 14px; }
.hrv-chapter h2 { font-size: clamp(28px,3.2vw,43px); line-height: 1.22; margin-bottom: 28px; }
.hrv-chapter h3 { font-size: 24px; line-height: 1.4; margin-bottom: 16px; }
.hrv-chapter p,.hrv-chapter li { font-size: 16px; line-height: 1.95; color: var(--muted); overflow-wrap: break-word; }
.hrv-chapter p { margin-bottom: 24px; }
.hrv-chapter strong { color: var(--ink); }
.hrv-chapter ul { padding-left: 23px; margin-block: 24px; }
.hrv-chapter li { padding-left: 5px; margin-bottom: 13px; }
.hrv-chapter a { text-decoration: underline; text-underline-offset: .22em; color: var(--ink); }
.hrv-chapter p a,.hrv-chapter li a { display: inline-block; min-height: 44px; padding-block: 6px; }
.hrv-chapter code { font-size: .88em; color: var(--ink); overflow-wrap: anywhere; }
.hrv-code { margin: 28px 0; padding: 25px; background: var(--glass-solid); border: 1px solid var(--line); border-radius: 18px; white-space: pre-wrap; overflow-wrap: anywhere; font-size: 14px; line-height: 1.8; }
.hrv-table { width: 100%; border-collapse: collapse; margin-block: 28px; font-size: 14px; line-height: 1.8; }
.hrv-table th,.hrv-table td { text-align: left; vertical-align: top; padding: 15px 12px; border-bottom: 1px solid var(--line); overflow-wrap: anywhere; }
.hrv-table thead { color: var(--ink); background: var(--glass-solid); font-size: 12px; }
.hrv-table td { color: var(--muted); }
.hrv-table tbody td:first-child { color: var(--ink); min-width: 105px; font-weight: 580; }
.hrv-lab { border: 1px solid var(--line-strong); border-radius: 24px; padding: 28px; background: var(--glass-solid); margin-top: 32px; }
.hrv-lab .lab-intro { font-size: 14px; }
.hrv-switch { display: flex; flex-wrap: wrap; gap: 8px; margin-block: 24px; }
.hrv-switch button,.hrv-reset { min-height: 46px; border-radius: 12px; border: 1px solid var(--line-strong); background: transparent; color: var(--ink); padding: 10px 14px; cursor: pointer; font-size: 14px; }
.hrv-switch button { flex: 1; min-width: 0; }
.hrv-switch button[aria-pressed=true] { background: var(--ink); color: var(--page); border-color: var(--ink); }
.hrv-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin: 28px 0; }
.hrv-field label { display: flex; gap: 8px; justify-content: space-between; font-size: 13px; min-height: 35px; }
.hrv-field label span { color: var(--muted); }
.hrv-field input[type=number] { width: 100%; min-width: 0; height: 52px; border: 1px solid var(--line-strong); border-radius: 10px; background: var(--page); color: var(--ink); padding: 10px 12px; font-size: 20px; font-variant-numeric: tabular-nums; }
.hrv-field input[type=range],.hrv-age input { width: 100%; min-height: 44px; margin: 12px 0 0; accent-color: var(--ink); cursor: pointer; }
.hrv-result { border-top: 1px solid var(--line-strong); padding-top: 24px; }
.hrv-result-top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 12px; }
.hrv-result-top small,.hrv-result-math { color: var(--muted); font-size: 13px; }
.hrv-result-top strong { font-size: 32px; letter-spacing: -.03em; }
.hrv-gauge { height: 14px; border: 1px solid var(--line-strong); border-radius: 999px; margin: 22px 0; padding: 3px; }
.hrv-gauge span { display: block; height: 6px; border-radius: 99px; background: var(--ink); width: 100%; transform-origin: left; transform: scaleX(var(--fill,.5)); transition: transform .22s ease; }
.hrv-result .hrv-reason { font-size: 14px; margin-bottom: 10px; color: var(--ink); }
.hrv-result .hrv-assumption { font-size: 12px; line-height: 1.75; }
.hrv-error { color: var(--ink); font-size: 14px; margin-top: 12px; }
.hrv-age { margin-top: 32px; padding: 28px; border: 1px solid var(--line-strong); border-radius: 24px; }
.hrv-age label { font-size: 14px; }
.hrv-age-value { display: block; font-size: 36px; margin-top: 16px; font-variant-numeric: tabular-nums; }
.hrv-age dl { margin-block: 22px 0; }
.hrv-age dl > div { padding: 17px 0; border-top: 1px solid var(--line); }
.hrv-age dt { color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.hrv-age dd { margin: 0; font-size: 16px; line-height: 1.7; }
.hrv-age .lab-intro { font-size: 13px; margin: 18px 0 0; }
.hrv-end { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; margin-bottom: 80px; }
.hrv-entry { display: grid; grid-template-columns: 80px minmax(0,1fr) auto; align-items: center; gap: 28px; padding: 32px; border: 1px solid var(--line-strong); border-radius: 24px; background: var(--glass-solid); }
.hrv-entry-mark { font: 650 24px ui-monospace,monospace; letter-spacing: -.04em; }
.hrv-entry .section-label { margin-bottom: 10px; }
.hrv-entry h2 { margin: 0 0 10px; font-size: 29px; line-height: 1.3; }
.hrv-entry p { color: var(--muted); margin: 0; font-size: 15px; }
.hrv-entry .button { max-width: 240px; text-align: center; }
@media (max-width: 1000px) { .hrv-hero { gap: 32px; } .hrv-layout { grid-template-columns: 210px minmax(0,1fr); gap: 36px; } .hrv-entry { grid-template-columns: 58px minmax(0,1fr); } .hrv-entry .button { grid-column: 2; max-width: none; justify-self: start; } }
@media (max-width: 780px) {
 .hrv-hero { grid-template-columns: 1fr; padding-block: 60px 38px; gap: 35px; } .hrv-hero h1 { font-size: clamp(46px,8.5vw,70px); } .hrv-hero .lead { font-size: 18px; } .hrv-signal { max-width: 540px; width: 100%; }
 .hrv-layout { grid-template-columns: 1fr; gap: 40px; } .hrv-layout > aside { position: static; } .hrv-page .hrv-toc .policy-nav { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); max-height: 380px; }
 .hrv-caveat { margin-bottom: 36px; } .hrv-chapter { padding-bottom: 40px; margin-bottom: 40px; } .hrv-chapter h2 { font-size: 30px; }
}
@media (max-width: 540px) {
 .hrv-hero h1 { font-size: 46px; } .hrv-stats { gap: 16px; } .hrv-stats strong { font-size: 25px; } .hrv-stats span { font-size: 12px; line-height: 1.6; display: block; }
 .hrv-signal { padding: 22px; } .hrv-signal-result strong { font-size: 29px; } .hrv-lab,.hrv-age { padding: 20px; border-radius: 20px; } .hrv-fields { grid-template-columns: 1fr; gap: 20px; }
 .hrv-chapter p,.hrv-chapter li { font-size: 15px; line-height: 1.9; } .hrv-code { padding: 18px; font-size: 12px; } .hrv-chapter h3 { font-size: 22px; }
 .hrv-table,.hrv-table tbody,.hrv-table tr,.hrv-table td { display: block; width: 100%; } .hrv-table thead { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
 .hrv-table tbody tr { margin-bottom: 14px; border: 1px solid var(--line); border-radius: 14px; padding: 5px 14px; background: var(--glass-solid); } .hrv-table td { border: 0; padding: 9px 0; } .hrv-table td + td { border-top: 1px solid var(--line); } .hrv-table td::before { content: attr(data-label); display: block; font-size: 11px; color: var(--muted); margin-bottom: 3px; font-weight: 500; }
 .hrv-entry { padding: 22px; gap: 15px; grid-template-columns: 1fr; } .hrv-entry-mark { font-size: 18px; } .hrv-entry h2 { font-size: 26px; } .hrv-entry .button { grid-column: auto; width: 100%; justify-self: stretch; }
}
@media (prefers-reduced-motion: reduce) { .hrv-gauge span { transition: none; } }
@media (prefers-contrast: more) { .hrv-chapter p,.hrv-chapter li,.hrv-table td,.hrv-caveat,.hrv-meta { color: var(--ink); } .hrv-table td,.hrv-table th,.hrv-entry,.hrv-lab,.hrv-age { border-color: var(--ink); } }
@media (forced-colors: active) { .hrv-signal,.hrv-lab,.hrv-age,.hrv-entry,.hrv-code,.hrv-table tr,.hrv-switch button,.hrv-reset { background: Canvas; color: CanvasText; border-color: CanvasText; } .hrv-signal * { color: CanvasText; } .hrv-switch button[aria-pressed=true] { background: Highlight; color: HighlightText; } .hrv-gauge span { background: CanvasText; } }
@media print { .hrv-toc,.hrv-actions,.hrv-lab,.hrv-age,.hrv-end { display: none; } .hrv-layout,.hrv-hero { display: block; } .hrv-signal { display: none; } .hrv-chapter { break-inside: auto; } .hrv-chapter h2 { break-after: avoid; } .hrv-code,.hrv-table tr { break-inside: avoid; } }