/* ===== 联赛观察 · 条目流 ===== */

.page-insights .breadcrumb {
  padding-top: var(--space-4);
  font-size: var(--text-sm);
}

.page-insights .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--color-ink-muted);
}

.page-insights .breadcrumb li + li::before {
  content: "/";
  margin-right: var(--space-1);
  color: var(--color-line);
}

.page-insights .breadcrumb a {
  color: var(--color-ink-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 160ms linear, color 160ms linear;
}

.page-insights .breadcrumb a:hover {
  color: var(--color-ink);
  border-bottom-color: var(--color-primary);
}

.page-insights .breadcrumb [aria-current] {
  color: var(--color-ink);
  font-weight: 500;
}

/* ---------- 首屏 ---------- */

.page-insights .hero {
  padding: var(--space-6) 0 var(--space-8);
}

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

.page-insights .hero-kicker {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-insights .hero-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 0.95;
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  overflow-wrap: break-word;
}

.page-insights .hero-title em {
  position: relative;
  display: inline-block;
  font-style: normal;
}

.page-insights .hero-title em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.07em;
  height: 0.07em;
  background: var(--color-primary);
}

.page-insights .hero-lead {
  margin: var(--space-3) 0 0;
  max-width: 54ch;
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-insights .hero-panel {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding: var(--space-4);
}

.page-insights .hero-panel-title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-contrast-ink);
  opacity: 0.68;
}

.page-insights .hero-panel-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4) var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-contrast-line);
}

.page-insights .hero-stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-contrast-accent);
}

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

.page-insights .hero-panel-media {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-contrast-line);
}

.page-insights .hero-panel-note {
  margin: var(--space-2) 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-contrast-ink);
  opacity: 0.68;
}

/* ---------- 图片基座 ---------- */

.page-insights .ins-media {
  display: block;
  margin: 0;
  overflow: hidden;
  background: var(--color-surface-deep);
}

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

.page-insights .ins-media--16x9 { aspect-ratio: 16 / 9; }
.page-insights .ins-media--4x3  { aspect-ratio: 4 / 3; }
.page-insights .ins-media--wide { aspect-ratio: 4 / 3; }

.page-insights .ins-caption {
  margin: var(--space-2) 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

/* ---------- 分类标签带 ---------- */

.page-insights .taxonomy {
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  padding: var(--space-4) 0;
}

.page-insights .taxonomy h2 {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}

.page-insights .taxonomy-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
}

.page-insights .taxonomy-link {
  display: inline-block;
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--color-line);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink);
  text-decoration: none;
  transition: border-color 160ms linear, color 160ms linear, background-color 160ms linear;
}

.page-insights .taxonomy-link:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-soft);
}

.page-insights .taxonomy-link:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

/* ---------- 阶段总览 ---------- */

.page-insights .feed-intro {
  padding: var(--space-8) 0 0;
}

.page-insights .feed-intro-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-insights .feed-intro-text {
  margin: var(--space-3) 0 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-insights .feed-intro-figure {
  margin: var(--space-6) 0 0;
}

/* ---------- 阶段分隔带 ---------- */

.page-insights .stage {
  padding-top: var(--space-8);
}

.page-insights .stage-band {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3);
  align-items: baseline;
  padding: var(--space-3) var(--space-3) var(--space-3) var(--space-4);
  background: var(--color-surface-deep);
  border-left: 4px solid var(--color-primary);
}

.page-insights .stage-band-index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-primary);
}

.page-insights .stage-band-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-insights .stage-band-focus {
  margin: var(--space-1) 0 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-insights .stage[data-active="true"] .stage-band-index {
  color: var(--color-accent);
}

/* ---------- 条目流 ---------- */

.page-insights .stage-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-insights .feed-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-line);
}

.page-insights .feed-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2);
}

.page-insights .feed-tag {
  display: inline-block;
  padding: 2px 6px;
  background: var(--color-primary-soft);
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
}

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

.page-insights .feed-body {
  min-width: 0;
}

.page-insights .feed-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-insights .feed-summary {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  margin: var(--space-2) 0 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-insights .feed-more {
  margin-top: var(--space-2);
}

.page-insights .feed-more summary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  cursor: pointer;
  list-style: none;
  padding: 2px 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-ink);
  border-bottom: 1px solid var(--color-line);
  transition: color 160ms linear, border-color 160ms linear;
}

.page-insights .feed-more summary::-webkit-details-marker {
  display: none;
}

.page-insights .feed-more summary::before {
  content: "+";
  color: var(--color-accent);
  font-size: var(--text-sm);
  line-height: 1;
}

.page-insights .feed-more[open] summary::before {
  content: "\2212";
}

.page-insights .feed-more summary:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.page-insights .feed-more summary:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.page-insights .feed-more p {
  margin: var(--space-2) 0 0;
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-insights .feed-link {
  display: inline-block;
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink);
  text-decoration: underline;
  text-decoration-color: var(--color-line);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  transition: color 160ms linear, text-decoration-color 160ms linear;
}

.page-insights .feed-link:hover {
  color: var(--color-primary);
  text-decoration-color: var(--color-primary);
  text-decoration-thickness: 2px;
}

.page-insights .feed-link:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.page-insights .stage-figure {
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-line);
}

.page-insights .stage-figure figure {
  margin: 0;
}

/* ---------- 更新节奏 ---------- */

.page-insights .cadence {
  margin-top: var(--space-8);
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-line);
}

.page-insights .cadence-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}

.page-insights .cadence-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-insights .cadence-lead {
  margin: var(--space-3) 0 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-insights .cadence-list {
  display: grid;
  gap: var(--space-3);
  margin: var(--space-6) 0 0;
  padding: 0;
}

.page-insights .cadence-item {
  padding-left: var(--space-3);
  border-left: 2px solid var(--color-line);
}

.page-insights .cadence-key {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-primary);
}

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

.page-insights .cadence-note {
  margin: var(--space-6) 0 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-insights .cadence-note a {
  color: var(--color-ink);
  text-decoration: underline;
  text-decoration-color: var(--color-primary);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.page-insights .cadence-note a:hover {
  color: var(--color-primary);
}

.page-insights .cadence-figure {
  margin: 0;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-insights .feed-item {
    grid-template-columns: 3fr 9fr;
    column-gap: var(--gutter);
    align-items: start;
  }

  .page-insights .feed-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1);
  }
}

@media (min-width: 900px) {
  .page-insights .hero-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gutter);
    row-gap: var(--space-6);
  }

  .page-insights .hero-head {
    grid-column: 1 / 13;
  }

  .page-insights .hero-panel {
    grid-column: 7 / 13;
    padding: var(--space-6);
  }

  .page-insights .hero-panel-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-6) var(--space-4);
  }

  .page-insights .ins-media--wide {
    aspect-ratio: 10 / 3;
  }

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

  .page-insights .cadence-text {
    grid-column: 1 / 8;
  }

  .page-insights .cadence-figure {
    grid-column: 8 / 13;
    align-self: start;
  }
}

@media (min-width: 1100px) {
  .page-insights .feed-item {
    padding: var(--space-6) 0;
  }

  .page-insights .stage-band {
    padding: var(--space-4) var(--space-4) var(--space-4) var(--space-6);
  }
}