.hc-de-head { padding: 32px 0; }
.hc-de-head h1 { max-width: 990px; margin: 20px 0; color: var(--c-ink); font-size: clamp(32px,3.4vw,48px); line-height: 1.16; font-weight: 650; letter-spacing: -.035em; text-wrap: balance; }
.hc-de-head > p { max-width: 820px; margin: 0; color: var(--c-ink-2); font-size: 19px; line-height: 1.6; }
.hc-de-quick-links { display: flex; flex-wrap: wrap; gap: 12px 32px; margin-top: 22px; }
.hc-de-quick-links a { display: inline-flex; gap: 16px; align-items: center; min-height: 44px; color: var(--c-accent); font-size: 14px; font-weight: 600; text-decoration: none; }
.hc-de-quick-links a:hover { text-decoration: underline; text-underline-offset: 4px; }
.hc-de-photo-pair { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; }
.hc-de-photo-pair figure { margin: 0; min-width: 0; }
.hc-de-photo-pair img { display: block; width: 100%; height: auto; border-radius: 6px; }
.hc-de-photo-pair figcaption { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; padding: 16px 0; border-bottom: 1px solid var(--c-line); color: var(--c-ink-2); font-size: 13px; line-height: 1.5; }
.hc-de-photo-pair figcaption strong { color: var(--c-ink); font-size: 16px; font-weight: 600; }
.hc-de-photo-note { margin: 12px 0 0; color: var(--c-ink-3); font-size: 13px; line-height: 1.6; }
.hc-de-summary { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 32px; margin-top: 32px; padding: 24px 0; border-top: 1px solid var(--c-line); border-bottom: 1px solid var(--c-line); }
.hc-de-summary > div { min-width: 0; }
.hc-de-summary span { display: block; margin-bottom: 8px; color: var(--c-ink-3); font-size: 12px; letter-spacing: .035em; }
.hc-de-summary strong { font-size: 20px; line-height: 1.35; font-weight: 600; color: var(--c-ink); }
.hc-de-summary p { margin: 10px 0 0; color: var(--c-ink-2); font-size: 14px; line-height: 1.6; }
.hc-de .hc-de-reading { grid-template-columns: 240px minmax(0,1fr); gap: 56px; }
.hc-de .hc-de-sidebar { max-height: calc(100vh - 156px); }
.hc-de .hc-blog-toc a { padding: 10px 0; }
.hc-de .hc-blog-toc a.is-current { color: var(--c-accent); font-weight: 600; }
.hc-de .hc-de-prose { max-width: none; }
.hc-de-prose > p, .hc-de-prose > h2, .hc-de-prose > h3 { max-width: 72ch; }
.hc-page-blog-comparison .hc-de-prose h2[id] { margin-top: 56px; padding-top: 28px; border-top: 1px solid var(--c-line); font-size: 30px; line-height: 1.3; scroll-margin-top: 132px; }
.hc-de-prose .hc-de-note { padding: 20px 24px; background: var(--c-bg-soft); border-left: 3px solid var(--c-line); border-radius: 0 6px 6px 0; font-size: 15px; line-height: 1.7; }
.hc-de .hc-de-photo { margin: 28px 0 34px; }
.hc-de-photo img { display: block; width: 100%; max-height: 580px; height: auto; object-fit: contain; background: var(--c-bg-soft); border-radius: 6px; }
.hc-de-photo figcaption { margin-top: 12px; color: var(--c-ink-3); font-size: 13px; line-height: 1.6; }
.hc-de-table-block { margin: 28px 0 32px; }
.hc-de .hc-de-table-caption { margin: 0 0 14px; color: var(--c-ink); font-size: 17px; line-height: 1.4; font-weight: 600; }
.hc-de-table { max-width: 100%; overflow-x: auto; overscroll-behavior-x: contain; border: 1px solid var(--c-line); border-radius: 6px; }
.hc-de-table table { width: 100%; min-width: 680px; border-collapse: separate; border-spacing: 0; color: var(--c-ink-2); font-size: 14px; line-height: 1.6; }
.hc-de-table th, .hc-de-table td { padding: 16px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--c-line); }
.hc-de-table thead th { color: var(--c-ink); background: var(--c-bg-soft); font-weight: 600; }
.hc-de-table tbody th { font-weight: 500; color: var(--c-ink); width: 28%; }
.hc-de-table tbody tr:last-child > * { border-bottom: 0; }
.hc-de-table tbody tr:nth-child(even) > * { background: var(--c-bg-soft); }
.hc-de-table-hint { display: none; margin-top: 10px; color: var(--c-ink-3); font-size: 12px; line-height: 1.6; }
.hc-de .hc-de-visual { margin: 32px 0; padding: 28px; background: var(--c-bg-soft); border-radius: 6px; }
.hc-de .hc-de-visual[hidden], .hc-de [hidden] { display: none; }
.hc-de .hc-de-visual header h3 { margin: 12px 0; font-size: 25px; line-height: 1.35; font-weight: 600; text-wrap: balance; }
.hc-de .hc-de-visual header p { margin: 0; font-size: 15px; line-height: 1.6; }
.hc-de .hc-de-visual figcaption { color: var(--c-ink-2); font-size: 13px; line-height: 1.6; margin-top: 20px; }
.hc-de-bars { margin-top: 28px; }
.hc-de-bar-row { margin-top: 22px; }
.hc-de-bar-row > div:first-child { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 10px; }
.hc-de-bar-row strong { font-size: 24px; font-weight: 600; font-variant-numeric: tabular-nums; }
.hc-de-bar-row span { font-size: 15px; color: var(--c-ink); }
.hc-de-bar-track { height: 20px; background: var(--c-line); border-radius: 3px; overflow: hidden; }
.hc-de-bar-track span { display: block; height: 100%; background: var(--c-ink-2); }
.hc-de-bar-axis { display: flex; justify-content: space-between; margin-top: 10px; color: var(--c-ink-3); font-size: 12px; font-variant-numeric: tabular-nums; }
.hc-de-cost-controls { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 28px; margin-top: 26px; }
.hc-de-range > div { display: flex; gap: 12px; flex-wrap: wrap; justify-content: space-between; align-items: baseline; margin-bottom: 8px; }
.hc-de-range label { color: var(--c-ink); font-size: 14px; line-height: 1.5; }
.hc-de-range output { color: var(--c-ink); font-size: 16px; font-weight: 600; font-variant-numeric: tabular-nums; }
.hc-de-range input { display: block; width: 100%; height: 44px; margin: 0; accent-color: var(--c-accent); cursor: pointer; touch-action: pan-y; }
.hc-de-range small { display: block; font-size: 12px; line-height: 1.6; color: var(--c-ink-2); }
.hc-de .hc-de-cost-result { margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--c-line); }
.hc-de-cost-result > span { display: block; color: var(--c-ink-2); font-size: 14px; }
.hc-de-cost-result output { display: block; margin: 8px 0; color: var(--c-ink); font-size: clamp(28px,3vw,40px); line-height: 1.2; font-weight: 650; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.hc-de .hc-de-cost-result p { margin: 10px 0 0; font-size: 14px; line-height: 1.65; }
.hc-de .hc-de-cost-plot { margin: 24px 0 16px; }
.hc-de-cost-plot svg { width: 100%; height: 280px; display: block; overflow: visible; color: var(--c-ink-2); }
.hc-de-cost-plot text { font-family: inherit; font-size: 13px; fill: currentColor; }
.hc-de-cost-plot [data-de-plot-grid] line { stroke: var(--c-line); stroke-width: 1; }
.hc-de-cost-plot [data-de-plot-line] { stroke: var(--c-accent); stroke-width: 2.5; }
.hc-de-cost-plot [data-de-plot-point] { fill: var(--c-accent); stroke: var(--c-bg-soft); stroke-width: 2; }
.hc-de-cost-plot [data-negative] { stroke: var(--c-ink-2); }
.hc-de .hc-de-cost-formula { margin: 14px 0; padding: 12px 0; border-top: 1px solid var(--c-line); color: var(--c-ink); font-size: 14px; font-weight: 500; font-variant-numeric: tabular-nums; }
.hc-de .hc-de-small { margin: 16px 0 0; color: var(--c-ink-2); font-size: 13px; line-height: 1.7; }
.hc-de-decision fieldset { padding: 0; margin: 24px 0 0; border: 0; min-width: 0; }
.hc-de-decision legend { margin: 0 0 12px; padding: 0; color: var(--c-ink); font-size: 15px; line-height: 1.5; font-weight: 500; }
.hc-de-choices { display: flex; flex-wrap: wrap; gap: 10px; }
.hc-de-choices label { display: flex; align-items: center; gap: 10px; padding: 12px 14px; min-height: 44px; border: 1px solid var(--c-line); background: var(--c-bg); border-radius: 6px; cursor: pointer; font-size: 14px; line-height: 1.5; }
.hc-de-choices label:hover { border-color: var(--c-ink-3); }
.hc-de-choices label:has(input:checked) { border-color: var(--c-accent); background: var(--c-accent-soft); color: var(--c-ink); }
.hc-de-choices input { width: 16px; height: 16px; margin: 0; accent-color: var(--c-accent); flex-shrink: 0; }
.hc-de-decision-result { margin-top: 24px; padding-top: 22px; border-top: 1px solid var(--c-line); }
.hc-de-decision-result strong { display: block; color: var(--c-ink); font-size: 21px; line-height: 1.4; font-weight: 600; }
.hc-de .hc-de-decision-result p { margin: 12px 0 4px; font-size: 15px; line-height: 1.7; }
.hc-de-decision-result a, .hc-de-catalog-links a { display: inline-flex; align-items: center; min-height: 44px; color: var(--c-accent); font-size: 14px; font-weight: 600; text-decoration: none; }
.hc-de-decision-result a:hover, .hc-de-catalog-links a:hover { text-decoration: underline; }
.hc-de-catalog-links { display: flex; flex-wrap: wrap; gap: 8px 28px; margin: 24px 0; }
.hc-de-faq { border-top: 1px solid var(--c-line); padding: 8px 0; }
.hc-de-faq summary { display: flex; align-items: center; gap: 20px; justify-content: space-between; min-height: 52px; color: var(--c-ink); font-size: 17px; font-weight: 500; line-height: 1.5; list-style: none; cursor: pointer; }
.hc-de-faq summary::-webkit-details-marker { display: none; }
.hc-de-faq summary::after { content: '+'; flex-shrink: 0; color: var(--c-ink-3); font-size: 22px; }
.hc-de-faq[open] summary::after { content: '−'; }
.hc-de .hc-de-faq p { margin: 12px 28px 14px 0; font-size: 16px; line-height: 1.7; }
.hc-de-help { display: flex; align-items: center; justify-content: space-between; gap: 48px; margin-top: 64px; padding: 32px 0; border-top: 1px solid var(--c-line); border-bottom: 1px solid var(--c-line); }
.hc-de-help h2, .hc-de-related h2 { margin: 14px 0; font-size: 28px; line-height: 1.3; font-weight: 600; text-wrap: balance; }
.hc-de-help p { max-width: 680px; margin: 0; font-size: 16px; line-height: 1.7; color: var(--c-ink-2); }
.hc-de-help > a { flex-shrink: 0; }
.hc-de-related { margin-top: 42px; }
.hc-de-related > div { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 40px; margin-top: 24px; }
.hc-de-related a { display: flex; align-items: start; justify-content: space-between; gap: 24px; padding: 20px 0; border-top: 1px solid var(--c-line); color: var(--c-ink); font-size: 21px; line-height: 1.45; text-decoration: none; }
.hc-de-related a:hover { color: var(--c-accent); }
.hc-de input:focus-visible, .hc-de label:has(input:focus-visible), .hc-de .hc-de-table:focus-visible { outline: 2px solid var(--c-focus); outline-offset: 3px; }
@media (max-width:1023px) {
  .hc-de .hc-de-reading { grid-template-columns: 200px minmax(0,1fr); gap: 32px; }
  .hc-de-photo-pair figcaption { display: grid; gap: 6px; }
  .hc-de-summary { gap: 24px; }
  .hc-de-summary strong { font-size: 18px; }
  .hc-de-cost-controls { grid-template-columns: minmax(0,1fr); gap: 22px; }
}
@media (max-width:767px) {
  .hc-de-head { padding: 24px 0; }
  .hc-de-head h1 { font-size: 31px; line-height: 1.16; margin: 18px 0; }
  .hc-de-head > p { font-size: 16px; }
  .hc-de-quick-links { gap: 4px 22px; margin-top: 18px; }
  .hc-de-quick-links a { font-size: 13px; }
  .hc-de-photo-pair { grid-template-columns: minmax(0,1fr); gap: 20px; }
  .hc-de-photo-pair figcaption { display: flex; flex-wrap: wrap; }
  .hc-de-photo-pair figcaption strong { font-size: 15px; }
  .hc-de-summary { grid-template-columns: minmax(0,1fr); gap: 20px; padding: 24px 0; margin-top: 26px; }
  .hc-de-summary p { margin-top: 6px; }
  .hc-de .hc-de-reading { grid-template-columns: minmax(0,1fr); gap: 24px; padding-top: 24px; }
  .hc-de .hc-de-sidebar { max-height: none; }
  .hc-page-blog-comparison .hc-de-prose h2[id] { margin-top: 40px; padding-top: 24px; font-size: 25px; scroll-margin-top: 94px; }
  .hc-de-prose .hc-de-note { padding: 16px 18px; font-size: 14px; }
  .hc-de-table-hint { display: block; }
  .hc-de-table th, .hc-de-table td { padding: 14px; }
  .hc-de .hc-de-visual { padding: 20px 16px; }
  .hc-de .hc-de-visual header h3 { font-size: 23px; }
  .hc-de-cost-controls { gap: 20px; }
  .hc-de-range > div { gap: 8px; }
  .hc-de-choices label { flex-grow: 1; }
  .hc-de-faq summary { font-size: 16px; }
  .hc-de-help { flex-direction: column; align-items: start; gap: 24px; margin-top: 44px; }
  .hc-de-help h2, .hc-de-related h2 { font-size: 25px; }
  .hc-de-related > div { grid-template-columns: minmax(0,1fr); gap: 12px; }
  .hc-de-related a { font-size: 19px; }
}
@media (prefers-reduced-motion:no-preference) {
  .hc-de-choices label { transition: border-color 160ms, background-color 160ms; }
}
@media print {
  .hc-de .hc-de-sidebar, .hc-de-quick-links, .hc-de-cost-controls, .hc-de-decision fieldset { display: none; }
  .hc-de .hc-de-reading { display: block; }
  .hc-de-table { overflow: visible; }
  .hc-de-table table { min-width: 0; }
  .hc-de-photo-pair, .hc-de-summary, .hc-de-visual, .hc-de-faq { break-inside: avoid; }
}