.page-strength {
  --strength-rule: var(--color-line);
  --strength-gap: var(--space-3);
  background: var(--color-surface);
  color: var(--color-ink);
}

.page-strength img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-strength .breadcrumbs {
  background: var(--color-surface);
  padding: var(--space-3) 0 0;
}

/* ---------- 首屏数字看板 ---------- */

.page-strength .strength-hero {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding: var(--space-6) 0 var(--space-8);
  overflow: hidden;
}

.page-strength .strength-hero__head {
  max-width: var(--measure);
}

.page-strength .strength-hero .eyebrow {
  color: var(--color-contrast-accent);
}

.page-strength .strength-hero .display-title {
  font-size: var(--text-display);
  margin: var(--space-2) 0 0;
  color: var(--color-contrast-ink);
  letter-spacing: var(--tracking-heading);
}

.page-strength .strength-hero__lede {
  margin: var(--space-3) 0 0;
  color: var(--color-contrast-ink);
  opacity: 0.82;
}

.page-strength .strength-hero__board {
  position: relative;
  margin-top: var(--space-6);
  padding: var(--space-4) var(--space-3) var(--space-3);
  border-radius: var(--radius-lg);
  background: var(--color-contrast-surface);
  overflow: hidden;
}

.page-strength .strength-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
}

.page-strength .strength-hero__scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: var(--overlay-scrim);
}

.page-strength .strength-board,
.page-strength .strength-board__foot {
  position: relative;
  z-index: 2;
}

.page-strength .strength-board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4) var(--space-3);
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-strength .strength-board__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-contrast-line);
  transition: border-color 160ms ease;
}

.page-strength .strength-board__item:hover {
  border-top-color: var(--color-contrast-accent);
}

.page-strength .strength-board__figure {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.page-strength .strength-board__value {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-contrast-ink);
  font-variant-numeric: tabular-nums;
}

.page-strength .strength-board__unit {
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-contrast-accent);
}

.page-strength .strength-board__note {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
  opacity: 0.72;
  transition: opacity 160ms ease;
}

.page-strength .strength-board__item:hover .strength-board__note {
  opacity: 1;
}

.page-strength .strength-board__foot {
  margin: var(--space-4) 0 0;
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-contrast-line);
  font-size: var(--text-xs);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
  opacity: 0.66;
}

/* ---------- 章节基座 ---------- */

.page-strength .strength-band {
  padding: calc(var(--section-y) * 0.62) 0;
}

.page-strength .strength-band--alt {
  background: var(--color-surface-alt);
}

.page-strength .strength-head {
  max-width: var(--measure);
  margin-bottom: var(--space-6);
}

.page-strength .strength-head .section-title {
  margin: var(--space-2) 0 0;
}

.page-strength .strength-head .section-note {
  margin: var(--space-3) 0 0;
}

/* ---------- 覆盖维度 ---------- */

.page-strength .strength-cover {
  display: grid;
  gap: var(--space-6);
}

.page-strength .strength-cover__media,
.page-strength .strength-sync__media,
.page-strength .strength-mapping__media,
.page-strength .strength-topics__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface-deep);
}

.page-strength .strength-leagues {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-strength .strength-league {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3) 0;
  border-top: var(--border-thin) solid var(--strength-rule);
}

.page-strength .strength-league:last-child {
  border-bottom: var(--border-thin) solid var(--strength-rule);
}

.page-strength .strength-league__name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-primary);
}

.page-strength .strength-league__text {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 同步节奏 ---------- */

.page-strength .strength-sync__body {
  display: grid;
  gap: var(--space-6);
}

.page-strength .strength-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-strength .strength-timeline__item {
  position: relative;
  padding-left: var(--space-4);
  padding-bottom: var(--space-4);
  border-left: var(--border-thin) solid var(--strength-rule);
}

.page-strength .strength-timeline__item:last-child {
  padding-bottom: 0;
}

.page-strength .strength-timeline__item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
}

.page-strength .strength-timeline__index {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
}

.page-strength .strength-timeline__title {
  margin: var(--space-1) 0 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-strength .strength-timeline__text {
  margin: var(--space-1) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 统计对应 ---------- */

.page-strength .strength-mapping__body {
  display: grid;
  gap: var(--space-6);
}

.page-strength .strength-map {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-4);
}

.page-strength .strength-map__item {
  padding-left: var(--space-3);
  border-left: 2px solid var(--color-primary);
  display: grid;
  gap: var(--space-1);
}

.page-strength .strength-map__label {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-strength .strength-map__text {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-strength .strength-mapping .disclosure {
  margin-top: var(--space-6);
  border-top: var(--border-thin) solid var(--strength-rule);
  border-bottom: var(--border-thin) solid var(--strength-rule);
}

.page-strength .strength-mapping .disclosure__inner p {
  margin: 0 0 var(--space-3);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-strength .strength-mapping .disclosure__inner p:last-child {
  margin-bottom: 0;
}

/* ---------- 专题跟进 ---------- */

.page-strength .strength-topics__grid {
  display: grid;
  gap: var(--space-6);
}

.page-strength .strength-topics__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-strength .strength-topic {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-4) 0;
  border-top: var(--border-thin) solid var(--strength-rule);
}

.page-strength .strength-topic:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-strength .strength-topic__name {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-primary);
}

.page-strength .strength-topic__text {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-strength .strength-topic__meta {
  margin: 0;
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-ink-muted);
}

/* ---------- 行动出口 ---------- */

.page-strength .strength-exit {
  background: var(--color-surface);
  padding: var(--space-8) 0;
}

.page-strength .strength-scale {
  height: 24px;
  margin-bottom: var(--space-6);
  background-image: repeating-linear-gradient(
    90deg,
    var(--color-line) 0,
    var(--color-line) 1px,
    transparent 1px,
    transparent 100%
  );
  background-size: calc(100% / 38) 100%;
  background-repeat: repeat-x;
}

.page-strength .strength-exit__panel {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-4);
}

.page-strength .strength-exit__panel .eyebrow {
  color: var(--color-contrast-accent);
}

.page-strength .strength-exit__panel .section-title {
  margin: var(--space-2) 0 0;
  color: var(--color-contrast-ink);
}

.page-strength .strength-exit__text {
  margin: var(--space-3) 0 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
  opacity: 0.82;
}

.page-strength .strength-exit__links {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-strength .strength-exit__link {
  display: block;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-contrast-ink) 7%, transparent);
  transition: background-color 160ms ease;
}

.page-strength .strength-exit__link:hover,
.page-strength .strength-exit__link:focus-visible {
  background: color-mix(in srgb, var(--color-contrast-ink) 15%, transparent);
}

.page-strength .strength-exit__label {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
}

.page-strength .strength-exit__hint {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 78%, transparent);
}

.page-strength .strength-exit__note {
  margin: var(--space-4) 0 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 70%, transparent);
}

/* ---------- 断点 ---------- */

@media (min-width: 760px) {
  .page-strength .strength-hero {
    padding: var(--space-8) 0;
  }

  .page-strength .strength-hero__board {
    padding: var(--space-6) var(--space-4) var(--space-4);
  }

  .page-strength .strength-board {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-6) var(--space-4);
  }

  .page-strength .strength-exit__panel {
    padding: var(--space-8) var(--space-6);
  }

  .page-strength .strength-exit__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3) var(--space-4);
  }
}

@media (min-width: 900px) {
  .page-strength .strength-band {
    padding: var(--section-y) 0;
  }

  .page-strength .strength-exit {
    padding: var(--section-y) 0;
  }

  .page-strength .strength-cover {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--space-8);
    align-items: start;
  }

  .page-strength .strength-sync__body {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--space-8);
    align-items: start;
  }

  .page-strength .strength-mapping__body {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-8);
    align-items: start;
  }

  .page-strength .strength-topics__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--space-8);
    align-items: start;
  }

  .page-strength .strength-head {
    margin-bottom: var(--space-8);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-strength .strength-board__item,
  .page-strength .strength-board__note,
  .page-strength .strength-exit__link {
    transition: none;
  }
}