.page-insights {
  display: block;
}

/* 面包屑与页面上下文 */
.page-insights .pi-crumb {
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

/* 框景首屏 */
.page-insights .pi-hero {
  position: relative;
  overflow: hidden;
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding: var(--space-6) 0 var(--space-8);
  margin-bottom: var(--section-y);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.page-insights .pi-hero-bg {
  position: absolute;
  inset: 0;
}

.page-insights .pi-hero-bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-insights .pi-hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
}

.page-insights .pi-hero-inner {
  position: relative;
  z-index: 1;
}

.page-insights .pi-window {
  position: relative;
  display: grid;
  gap: var(--space-4);
  padding: var(--space-4);
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--color-contrast-surface) 62%, transparent);
}

.page-insights .pi-window::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 7px;
  background-image: repeating-linear-gradient(
    90deg,
    var(--color-contrast-line) 0 1px,
    transparent 1px 14px
  );
  pointer-events: none;
}

.page-insights .pi-title {
  margin: var(--space-2) 0 var(--space-3);
  max-width: 16ch;
  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);
}

.page-insights .pi-hero-sub {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
  opacity: 0.84;
}

.page-insights .pi-hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(88px, 1fr));
  gap: var(--space-2);
}

.page-insights .pi-stat {
  padding-left: var(--space-2);
  border-left: var(--border-thin) solid var(--color-contrast-line);
}

.page-insights .pi-stat-num {
  display: block;
  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 .pi-stat--hot .pi-stat-num {
  color: var(--color-contrast-accent);
}

.page-insights .pi-stat-label {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-contrast-ink);
  opacity: 0.72;
}

.page-insights .pi-hero-note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-contrast-ink);
  opacity: 0.62;
}

/* 专题总目 */
.page-insights .pi-index {
  padding: var(--space-3);
  margin-bottom: var(--section-y);
  background: var(--color-surface-alt);
  border-radius: var(--radius-md);
}

.page-insights .pi-index-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.page-insights .pi-index-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
}

.page-insights .pi-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-insights .pi-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 7px var(--space-2);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-ink);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.page-insights .pi-chip:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.page-insights .pi-chip[aria-pressed="true"] {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.page-insights .pi-chip .mono {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

/* 专题面板 */
.page-insights .pi-topic {
  scroll-margin-top: 96px;
}

.page-insights .pi-topic-wrap {
  max-width: 100%;
}

.page-insights .pi-topic-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
}

.page-insights .pi-topic-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding-bottom: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-insights .pi-topic-no {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
}

.page-insights .pi-topic-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

.page-insights .pi-topic-side h2 {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-insights .pi-topic-lead {
  margin: 0 0 var(--space-3);
  font-size: var(--text-base);
  line-height: 1.66;
  color: var(--color-ink-soft);
}

.page-insights .pi-topic-side .media {
  margin: 0;
}

/* 要点清单 */
.page-insights .pi-points {
  display: grid;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-insights .pi-points > li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-2);
  align-items: start;
}

.page-insights .pi-point-no {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent);
}

.page-insights .pi-point-title {
  margin: 0 0 4px;
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-insights .pi-point-text {
  margin: 0;
  font-size: var(--text-base);
  line-height: 1.66;
  color: var(--color-ink-soft);
}

.page-insights .pi-field {
  display: inline-block;
  margin-top: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

/* 展开说明 */
.page-insights .pi-disclosure {
  margin-top: var(--space-3);
}

/* 延伸条目 */
.page-insights .pi-entries {
  margin: var(--space-4) 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-insights .pi-entry a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-2);
  align-items: center;
  padding: var(--space-3) var(--space-1);
  border-bottom: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  color: inherit;
  text-decoration: none;
  transition: background-color 0.2s ease, padding-left 0.2s ease;
}

.page-insights .pi-entry a:hover,
.page-insights .pi-entry a:focus-visible {
  background: var(--color-primary-soft);
  padding-left: var(--space-2);
}

.page-insights .pi-entry-title {
  display: block;
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  color: var(--color-primary);
}

.page-insights .pi-entry-desc {
  display: block;
  margin-top: 4px;
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-ink-soft);
}

.page-insights .pi-entry-meta {
  display: grid;
  gap: 4px;
  text-align: right;
  opacity: 0.62;
  transition: opacity 0.2s ease;
}

.page-insights .pi-entry a:hover .pi-entry-meta,
.page-insights .pi-entry a:focus-visible .pi-entry-meta {
  opacity: 1;
}

.page-insights .pi-entry-field {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
}

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

/* 反相专题面板 */
.page-insights .pi-topic-panel--dark {
  background: var(--color-contrast-surface);
  border-color: var(--color-contrast-line);
  color: var(--color-contrast-ink);
}

.page-insights .pi-topic-panel--dark .pi-topic-head {
  border-bottom-color: var(--color-contrast-line);
}

.page-insights .pi-topic-panel--dark .pi-topic-no {
  color: var(--color-contrast-ink);
  opacity: 0.6;
}

.page-insights .pi-topic-panel--dark .pi-topic-side h2,
.page-insights .pi-topic-panel--dark .pi-point-title {
  color: var(--color-contrast-ink);
}

.page-insights .pi-topic-panel--dark .pi-topic-lead,
.page-insights .pi-topic-panel--dark .pi-point-text {
  color: var(--color-contrast-ink);
  opacity: 0.8;
}

.page-insights .pi-topic-panel--dark .pi-point-no,
.page-insights .pi-topic-panel--dark .pi-entry-field {
  color: var(--color-contrast-accent);
}

.page-insights .pi-topic-panel--dark .pi-field {
  color: var(--color-contrast-ink);
  opacity: 0.58;
}

.page-insights .pi-topic-panel--dark .pi-entries {
  border-top-color: var(--color-contrast-line);
}

.page-insights .pi-topic-panel--dark .pi-entry a {
  border-bottom-color: var(--color-contrast-line);
}

.page-insights .pi-topic-panel--dark .pi-entry a:hover,
.page-insights .pi-topic-panel--dark .pi-entry a:focus-visible {
  background: color-mix(in srgb, var(--color-contrast-ink) 12%, transparent);
}

.page-insights .pi-topic-panel--dark .pi-entry-title {
  color: var(--color-contrast-ink);
}

.page-insights .pi-topic-panel--dark .pi-entry-desc,
.page-insights .pi-topic-panel--dark .pi-entry-month {
  color: var(--color-contrast-ink);
  opacity: 0.68;
}

.page-insights .pi-topic-panel--dark .source-note {
  color: var(--color-contrast-ink);
  opacity: 0.6;
}

.page-insights .pi-dark-figure {
  margin: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

/* 延伸入口收束条 */
.page-insights .pi-outro {
  margin-top: var(--section-y-lg);
}

.page-insights .pi-outro-inner {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--color-surface-alt);
  border-radius: var(--radius-lg);
}

.page-insights .pi-outro-head h2 {
  margin: var(--space-1) 0 var(--space-2);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-insights .pi-outro-head p {
  margin: 0;
  font-size: var(--text-base);
  line-height: 1.66;
  color: var(--color-ink-soft);
}

.page-insights .pi-route-list {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-insights .pi-route {
  display: block;
  height: 100%;
  padding: var(--space-3);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  color: inherit;
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-insights .pi-route:hover,
.page-insights .pi-route:focus-visible {
  transform: translateY(-2px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-1);
}

.page-insights .pi-route-name {
  display: block;
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  color: var(--color-primary);
}

.page-insights .pi-route-desc {
  display: block;
  margin-top: 4px;
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-ink-soft);
}

.page-insights .pi-outro-note {
  margin-top: var(--space-3);
}

/* 桌面端非对称节奏 */
@media (min-width: 900px) {
  .page-insights .pi-hero {
    padding: var(--space-8) 0 var(--section-y);
  }

  .page-insights .pi-window {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: end;
    gap: var(--space-6);
    padding: var(--space-6);
  }

  .page-insights .pi-hero-lead {
    grid-column: 1;
  }

  .page-insights .pi-hero-stats {
    grid-column: 1;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-insights .pi-hero-note {
    grid-column: 1 / -1;
    padding-top: var(--space-2);
    border-top: var(--border-thin) solid var(--color-contrast-line);
  }

  .page-insights .pi-topic-wrap--shift {
    max-width: 92%;
    margin-left: auto;
  }

  .page-insights .pi-topic-panel {
    padding: var(--space-6);
    gap: var(--space-4);
  }

  .page-insights .pi-topic-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: var(--space-6);
  }

  .page-insights .pi-outro-inner {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: var(--space-6);
    padding: var(--space-6);
  }
}

@media (min-width: 700px) {
  .page-insights .pi-route-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* 窄屏兜底 */
@media (max-width: 520px) {
  .page-insights .pi-chip {
    font-size: var(--text-xs);
    padding: 6px var(--space-1);
  }

  .page-insights .pi-points > li {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .page-insights .pi-entry a {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-insights .pi-entry-meta {
    text-align: left;
    opacity: 1;
  }
}