.page-comparison {
  --cmp-rule-thin: 8px;
  --cmp-rule-thick: 16px;
  --cmp-slab-pad-top: var(--space-8);
  background: var(--color-surface);
  color: var(--color-ink);
}

/* ---------- 容器与骨架 ---------- */
.page-comparison .container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-3);
  box-sizing: border-box;
}

.page-comparison .section {
  padding-block: var(--section-y);
}

.page-comparison .section--light {
  background: var(--color-surface);
  color: var(--color-ink);
}

.page-comparison .section--light-alt {
  background: var(--color-surface-alt);
  color: var(--color-ink);
}

.page-comparison .section--contrast {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

/* ---------- 实色色带边界 ---------- */
.page-comparison .cmp-rule {
  height: var(--cmp-rule-thin);
  background: var(--color-primary);
}

.page-comparison .cmp-rule--thick {
  height: var(--cmp-rule-thick);
}

.page-comparison .cmp-rule--accent {
  background: var(--color-accent);
}

.page-comparison .cmp-rule--contrast {
  background: var(--color-contrast-surface);
}

/* ---------- 首屏 ---------- */
.page-comparison .cmp-hero {
  padding-block: var(--space-6) var(--space-8);
  overflow: hidden;
}

.page-comparison .cmp-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  margin-bottom: var(--space-6);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
}

.page-comparison .cmp-crumb a {
  color: var(--color-contrast-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid currentColor;
}

.page-comparison .cmp-crumb a:hover,
.page-comparison .cmp-crumb a:focus-visible {
  color: var(--color-contrast-ink);
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.page-comparison .cmp-crumb__sep {
  color: var(--color-contrast-line);
}

.page-comparison .cmp-crumb [aria-current="page"] {
  color: var(--color-contrast-ink);
  opacity: 0.7;
}

.page-comparison .cmp-hero__kicker {
  margin: 0 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.14em;
  color: var(--color-contrast-accent);
}

.page-comparison .cmp-hero__title {
  margin: 0 0 var(--space-4);
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
  transform: skewX(-2deg);
  transform-origin: left bottom;
  -webkit-text-stroke: 1px currentColor;
  max-width: 15ch;
}

.page-comparison .cmp-hero__lede {
  margin: 0 0 var(--space-8);
  max-width: var(--measure);
  font-size: calc(var(--text-base) * 1.18);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
  opacity: 0.86;
}

/* ---------- 三块竖向对峙色块 ---------- */
.page-comparison .cmp-stack {
  display: flex;
  align-items: stretch;
  gap: var(--space-2);
}

.page-comparison .cmp-slab {
  display: flex;
  flex-direction: column;
  min-height: 320px;
  padding: var(--cmp-slab-pad-top) var(--space-3) var(--space-3);
  box-sizing: border-box;
  overflow: hidden;
}

.page-comparison .cmp-slab--a {
  flex: 3 1 0;
  background: var(--color-primary);
  color: var(--color-primary-ink);
  clip-path: polygon(0 10%, 100% 0, 100% 100%, 0 100%);
}

.page-comparison .cmp-slab--b {
  flex: 4 1 0;
  background: var(--color-surface);
  color: var(--color-ink);
  clip-path: polygon(0 0, 100% 7%, 100% 100%, 0 100%);
}

.page-comparison .cmp-slab--c {
  flex: 3 1 0;
  background: var(--color-accent);
  color: var(--color-accent-ink);
  clip-path: polygon(0 6%, 100% 0, 100% 100%, 0 100%);
}

.page-comparison .cmp-slab__name {
  margin: 0 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.14em;
}

.page-comparison .cmp-slab__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: var(--weight-heading);
  line-height: 0.88;
  letter-spacing: -0.03em;
}

.page-comparison .cmp-slab__unit {
  margin: var(--space-2) 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  opacity: 0.82;
}

.page-comparison .cmp-slab__list {
  list-style: none;
  margin: auto 0 0;
  padding: var(--space-3) 0 0;
  display: grid;
  gap: var(--space-1);
  font-size: var(--text-sm);
}

.page-comparison .cmp-slab__list li {
  display: flex;
  justify-content: space-between;
  gap: var(--space-2);
  border-top: var(--border-thin) solid currentColor;
  padding-top: var(--space-1);
}

.page-comparison .cmp-slab__list span {
  opacity: 0.78;
}

.page-comparison .cmp-slab__list b {
  font-family: var(--font-mono);
  font-weight: var(--weight-heading);
  text-align: right;
}

/* ---------- 图片容器（页面作用域微调） ---------- */
.page-comparison .media-frame {
  margin: 0;
  border: var(--border-thin) solid var(--color-line);
  background: var(--color-surface-alt);
}

.page-comparison .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-comparison .media-frame__caption {
  padding: var(--space-2) var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
  background: var(--color-surface);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-ink-muted);
}

.page-comparison .cmp-plan {
  margin-top: var(--space-6);
}

.page-comparison .cmp-hero .media-frame {
  border-color: var(--color-contrast-line);
  background: var(--color-contrast-surface);
}

.page-comparison .cmp-hero .media-frame__caption {
  background: transparent;
  border-top-color: var(--color-contrast-line);
  color: var(--color-contrast-ink);
  opacity: 0.72;
}

/* ---------- 节标题组 ---------- */
.page-comparison .cmp-head {
  margin-bottom: var(--space-6);
}

.page-comparison .cmp-head__mark {
  display: block;
  width: 64px;
  height: var(--cmp-rule-thick);
  margin-bottom: var(--space-3);
  background: var(--color-primary);
}

.page-comparison .cmp-head__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  max-width: 20ch;
}

.page-comparison .cmp-head__note {
  margin: 0;
  max-width: var(--measure);
  color: var(--color-ink-soft);
}

.page-comparison .cmp-head--on-contrast .cmp-head__mark {
  background: var(--color-contrast-accent);
}

.page-comparison .cmp-head--on-contrast .cmp-head__note {
  color: var(--color-contrast-ink);
  opacity: 0.78;
}

/* ---------- 对比表 ---------- */
.page-comparison .cmp-table-wrap {
  overflow-x: auto;
  border: var(--border-thin) solid var(--color-line);
  background: var(--color-surface);
}

.page-comparison .cmp-table {
  width: 100%;
  min-width: 820px;
  border-collapse: collapse;
  font-size: var(--text-base);
}

.page-comparison .cmp-table__caption {
  padding: var(--space-2) var(--space-3);
  text-align: left;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-comparison .cmp-col--cond {
  width: 15%;
}

.page-comparison .cmp-col--delta {
  width: 30%;
}

.page-comparison .cmp-table thead th {
  background: var(--color-primary);
  color: var(--color-primary-ink);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  letter-spacing: 0.08em;
  text-align: left;
  padding: var(--space-3) var(--space-2);
}

.page-comparison .cmp-table tbody th,
.page-comparison .cmp-table tbody td {
  padding: var(--space-3) var(--space-2);
  text-align: left;
  vertical-align: top;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-comparison .cmp-table tbody th[scope="row"] {
  background: var(--color-surface-alt);
  border-left: 4px solid var(--color-line);
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  transition: border-left-color 0.18s ease;
}

.page-comparison .cmp-table tbody td:last-child {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  line-height: 1.6;
}

.page-comparison .cmp-table tbody tr {
  transition: background-color 0.18s ease;
}

.page-comparison .cmp-table tbody tr:hover td,
.page-comparison .cmp-table tbody tr:focus-visible td,
.page-comparison .cmp-table tbody tr.is-row-active td {
  background: var(--color-primary-soft);
}

.page-comparison .cmp-table tbody tr:hover th[scope="row"],
.page-comparison .cmp-table tbody tr:focus-visible th[scope="row"],
.page-comparison .cmp-table tbody tr.is-row-active th[scope="row"] {
  border-left-color: var(--color-focus);
}

.page-comparison .cmp-table tbody tr:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: -2px;
}

/* ---------- 选择建议 ---------- */
.page-comparison .cmp-advice__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-comparison .cmp-advice__item {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: var(--space-3);
  padding: var(--space-4) var(--space-3);
  border-left: var(--border-thick) solid var(--color-contrast-line);
  background: color-mix(in srgb, var(--color-contrast-ink) 5%, transparent);
}

.page-comparison .cmp-advice__item--pick {
  border-left-color: var(--color-contrast-accent);
  background: color-mix(in srgb, var(--color-accent) 18%, transparent);
}

.page-comparison .cmp-advice__no {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.12em;
  color: var(--color-contrast-accent);
}

.page-comparison .cmp-advice__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
}

.page-comparison .cmp-advice__body {
  margin: 0;
  max-width: var(--measure);
  color: var(--color-contrast-ink);
  opacity: 0.84;
  line-height: var(--leading-body);
}

.page-comparison .cmp-advice__pick {
  display: inline-block;
  margin-top: var(--space-3);
  padding: 4px var(--space-2);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
}

/* ---------- 取值口径 ---------- */
.page-comparison .cmp-gloss {
  margin: 0 0 var(--space-8);
  display: grid;
  gap: 0;
}

.page-comparison .cmp-gloss__row {
  display: grid;
  grid-template-columns: minmax(0, 200px) minmax(0, 1fr);
  gap: var(--space-2) var(--space-4);
  padding: var(--space-3) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-comparison .cmp-gloss__row dt {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  color: var(--color-accent);
}

.page-comparison .cmp-gloss__row dd {
  margin: 0;
  max-width: var(--measure);
  color: var(--color-ink-soft);
  line-height: var(--leading-body);
}

.page-comparison .cmp-gloss__row dd a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid currentColor;
}

.page-comparison .cmp-gloss__row dd a:hover,
.page-comparison .cmp-gloss__row dd a:focus-visible {
  color: var(--color-focus);
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

/* ---------- 配置档与实测案例对应 ---------- */
.page-comparison .cmp-map {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: var(--space-6);
  align-items: start;
}

.page-comparison .cmp-map__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-comparison .cmp-map__item {
  padding: var(--space-3);
  background: var(--color-surface-alt);
  border-left: var(--border-thick) solid var(--color-line);
}

.page-comparison .cmp-map__item:nth-child(1) {
  border-left-color: var(--color-primary);
}

.page-comparison .cmp-map__item:nth-child(2) {
  border-left-color: var(--color-accent);
}

.page-comparison .cmp-map__item:nth-child(3) {
  border-left-color: var(--color-contrast-surface);
}

.page-comparison .cmp-map__cate {
  margin: 0 0 var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
}

.page-comparison .cmp-map__tier {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
}

.page-comparison .cmp-map__ref {
  margin: 0;
  color: var(--color-ink-soft);
  line-height: var(--leading-body);
}

.page-comparison .cmp-map__note {
  margin: var(--space-6) 0 0;
  max-width: var(--measure);
  color: var(--color-ink-soft);
  line-height: var(--leading-body);
}

.page-comparison .cmp-map__note a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid currentColor;
}

.page-comparison .cmp-map__note a:hover,
.page-comparison .cmp-map__note a:focus-visible {
  color: var(--color-focus);
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

/* ---------- 版本戳 ---------- */
.page-comparison .cmp-stamp {
  background: var(--color-surface-deep);
  padding-block: var(--space-4);
}

.page-comparison .cmp-stamp__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

/* ---------- 窄屏 ---------- */
@media (max-width: 900px) {
  .page-comparison .cmp-map {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-comparison .cmp-gloss__row {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  .page-comparison .section {
    padding-block: calc(var(--section-y) * 0.6);
  }

  .page-comparison .cmp-hero {
    padding-block: var(--space-4) var(--space-6);
  }

  .page-comparison .cmp-hero__title {
    max-width: none;
    -webkit-text-stroke: 0;
  }

  .page-comparison .cmp-stack {
    flex-direction: column;
    gap: var(--space-1);
  }

  .page-comparison .cmp-slab {
    min-height: 0;
    padding: var(--space-4) var(--space-3);
    clip-path: none;
  }

  .page-comparison .cmp-slab__value {
    font-size: var(--text-2xl);
  }

  .page-comparison .cmp-slab__list {
    margin-top: var(--space-3);
  }

  .page-comparison .cmp-advice__item {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-1);
  }

  .page-comparison .cmp-advice__no {
    display: block;
  }

  .page-comparison .cmp-head__title {
    font-size: var(--text-lg);
    max-width: none;
  }

  .page-comparison .cmp-table {
    min-width: 720px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-comparison .cmp-table tbody tr,
  .page-comparison .cmp-table tbody th[scope="row"] {
    transition: none;
  }

  .page-comparison .cmp-hero__title {
    transform: none;
  }
}