.page-insights {
  --ins-index-col: 64px;
  --ins-shift: calc(var(--gutter) * 2);
}

.page-insights .ins-crumbs-bar {
  background: var(--color-surface);
  border-bottom: var(--border-thin) solid var(--color-line);
  padding-block: var(--space-2);
}

.page-insights .breadcrumbs a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 150ms ease;
}

.page-insights .breadcrumbs a:hover {
  color: var(--color-accent);
}

.page-insights h2 {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
  margin: 0;
}

.page-insights img {
  max-width: 100%;
  height: auto;
}

/* 首屏 */
.page-insights .ins-hero {
  position: relative;
  overflow: hidden;
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding-block: var(--space-6) var(--space-8);
}

.page-insights .ins-hero__media {
  position: absolute;
  inset: 0;
}

.page-insights .ins-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-insights .ins-hero__scrim {
  position: absolute;
  inset: 0;
  background-image: var(--overlay-scrim);
}

.page-insights .ins-hero__inner {
  position: relative;
  display: grid;
  gap: var(--space-6);
}

.page-insights .ins-hero__eyebrow {
  color: var(--color-contrast-accent);
}

.page-insights .ins-hero__title {
  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);
  text-transform: uppercase;
  color: var(--color-contrast-ink);
  margin: var(--space-3) 0;
}

.page-insights .ins-hero__lede {
  max-width: var(--measure);
  color: var(--color-contrast-ink);
  margin: 0;
}

.page-insights .ins-hero__figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  border-top: calc(var(--border-thin) * 2) solid var(--color-contrast-line);
  padding-top: var(--space-3);
}

.page-insights .ins-figure {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-insights .ins-figure__num {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-contrast-ink);
}

.page-insights .ins-figure__label {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-contrast-ink);
  opacity: 0.72;
}

.page-insights .ins-hero__line {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: calc(var(--border-thin) * 2);
  background: linear-gradient(90deg, var(--color-contrast-accent) 0%, transparent 72%);
}

/* 条目流 */
.page-insights .ins-flow__head {
  max-width: var(--measure);
  margin-bottom: var(--space-6);
}

.page-insights .ins-flow__note {
  margin: var(--space-2) 0 0;
  color: var(--color-ink-soft);
}

.page-insights .ins-index {
  position: relative;
}

.page-insights .filter-input {
  position: absolute;
  top: 0;
  left: 0;
  width: var(--space-1);
  height: var(--space-1);
  opacity: 0;
  pointer-events: none;
}

.page-insights .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
}

.page-insights .filter-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: border-color 150ms ease, background-color 150ms ease, color 150ms ease;
}

.page-insights .filter-chip:hover {
  border-color: var(--color-accent);
  color: var(--color-ink);
}

.page-insights .filter-chip__n {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-insights #filter-all:checked ~ .filter-bar label[for="filter-all"],
.page-insights #filter-rules:checked ~ .filter-bar label[for="filter-rules"],
.page-insights #filter-table:checked ~ .filter-bar label[for="filter-table"],
.page-insights #filter-possession:checked ~ .filter-bar label[for="filter-possession"],
.page-insights #filter-loan:checked ~ .filter-bar label[for="filter-loan"] {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
  color: var(--color-ink);
}

.page-insights #filter-all:focus-visible ~ .filter-bar label[for="filter-all"],
.page-insights #filter-rules:focus-visible ~ .filter-bar label[for="filter-rules"],
.page-insights #filter-table:focus-visible ~ .filter-bar label[for="filter-table"],
.page-insights #filter-possession:focus-visible ~ .filter-bar label[for="filter-possession"],
.page-insights #filter-loan:focus-visible ~ .filter-bar label[for="filter-loan"] {
  box-shadow: 0 0 0 calc(var(--border-thin) * 2) var(--color-focus);
}

.page-insights #filter-rules:checked ~ .flow .entry:not(.entry--rules),
.page-insights #filter-rules:checked ~ .flow .flow-band,
.page-insights #filter-table:checked ~ .flow .entry:not(.entry--table),
.page-insights #filter-table:checked ~ .flow .flow-band,
.page-insights #filter-possession:checked ~ .flow .entry:not(.entry--possession),
.page-insights #filter-possession:checked ~ .flow .flow-band,
.page-insights #filter-loan:checked ~ .flow .entry:not(.entry--loan),
.page-insights #filter-loan:checked ~ .flow .flow-band {
  display: none;
}

.page-insights .flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-6);
}

.page-insights .entry {
  display: grid;
  grid-template-columns: var(--ins-index-col) minmax(0, 1fr);
  gap: var(--space-2);
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
  transition: border-color 150ms ease;
}

.page-insights .entry:hover {
  border-top-color: var(--color-accent);
}

.page-insights .entry__index {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-insights .entry__num {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-ink-muted);
  transition: color 150ms ease;
}

.page-insights .entry:hover .entry__num {
  color: var(--color-accent);
}

.page-insights .entry__tag {
  font-size: var(--text-xs);
}

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

.page-insights .entry__meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.02em;
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-2);
}

.page-insights .entry__summary {
  max-width: var(--measure);
  margin: 0 0 var(--space-2);
  color: var(--color-ink-soft);
}

.page-insights .entry__more {
  max-width: var(--measure);
  margin-bottom: var(--space-2);
}

.page-insights .entry__more summary {
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--color-primary);
  transition: color 150ms ease;
}

.page-insights .entry__more summary:hover {
  color: var(--color-accent);
}

.page-insights .entry__more p {
  margin: var(--space-2) 0 0;
  padding-left: var(--space-3);
  border-left: calc(var(--border-thin) * 2) solid var(--color-primary-soft);
  font-size: var(--text-sm);
  font-weight: 300;
  color: var(--color-ink-soft);
}

.page-insights .entry__link {
  display: inline-block;
  font-size: var(--text-sm);
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-primary-soft);
  padding-bottom: var(--border-thin);
  transition: color 150ms ease, border-color 150ms ease;
}

.page-insights .entry__link:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* 图片呼吸区 */
.page-insights .flow-band {
  list-style: none;
}

.page-insights .band {
  position: relative;
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}

.page-insights .band img {
  display: block;
  width: 100%;
  height: auto;
}

.page-insights .band__scrim {
  position: absolute;
  inset: 0;
  background-image: var(--overlay-scrim);
}

.page-insights .band__cap {
  position: absolute;
  left: var(--space-3);
  right: var(--space-3);
  bottom: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  color: var(--color-contrast-ink);
}

.page-insights .band__label {
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-contrast-accent);
}

.page-insights .band__text {
  max-width: var(--measure);
  font-size: var(--text-sm);
}

/* 口径说明 */
.page-insights .ins-scope__inner {
  display: grid;
  gap: var(--space-6);
}

.page-insights .ins-scope__head .prose {
  margin: var(--space-2) 0 0;
  color: var(--color-ink-soft);
}

.page-insights .glossary {
  margin: 0;
}

.page-insights .glossary dt {
  margin: 0;
  padding-top: var(--space-2);
  border-top: var(--border-thin) solid var(--color-line);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-insights .glossary dd {
  margin: 0;
  padding-bottom: var(--space-2);
  color: var(--color-ink-soft);
}

.page-insights .glossary dd a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-primary-soft);
  transition: color 150ms ease, border-color 150ms ease;
}

.page-insights .glossary dd a:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* 延伸阅读 */
.page-insights .ins-outro__head {
  margin-bottom: var(--space-4);
}

.page-insights .ins-outro__grid {
  display: grid;
  gap: var(--space-3);
}

.page-insights .ins-outro__panel {
  padding: var(--space-4);
}

.page-insights .ins-outro__panel h3 {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-2);
}

.page-insights .ins-outro__panel p {
  margin: 0 0 var(--space-3);
  color: var(--color-ink-soft);
  font-size: var(--text-base);
}

@media (min-width: 960px) {
  .page-insights {
    --ins-index-col: 104px;
  }

  .page-insights .ins-hero {
    padding-block: var(--space-8);
  }

  .page-insights .ins-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: var(--space-8);
  }

  .page-insights .ins-hero__figures {
    gap: var(--space-4);
  }

  .page-insights .entry--shift {
    margin-inline-start: var(--ins-shift);
  }

  .page-insights .ins-scope__inner {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: var(--space-8);
  }

  .page-insights .glossary dt {
    padding-top: var(--space-3);
    padding-right: var(--space-3);
  }

  .page-insights .glossary dd {
    padding-top: var(--space-3);
    border-top: var(--border-thin) solid var(--color-line);
  }

  .page-insights .ins-outro__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--gutter);
  }

  .page-insights .ins-outro__panel--a {
    grid-column: span 5;
  }

  .page-insights .ins-outro__panel--b {
    grid-column: span 4;
  }

  .page-insights .ins-outro__panel--c {
    grid-column: span 3;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-insights .entry,
  .page-insights .entry__num,
  .page-insights .entry__link,
  .page-insights .filter-chip,
  .page-insights .breadcrumbs a {
    transition: none;
  }
}