/* ================= 联赛观察 / page-insights ================= */

.page-insights .ins-cover {
  background: var(--color-surface);
  padding-block: var(--space-6) var(--space-8);
}

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

.page-insights .ins-cover__lead {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 0;
}

.page-insights .ins-cover__lead .breadcrumb {
  margin-bottom: var(--space-1);
}

.page-insights .ins-cover__title {
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 1.02;
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  margin: 0;
  overflow-wrap: break-word;
}

.page-insights .ins-cover__dek {
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: 44ch;
  margin: 0;
}

.page-insights .ins-cover__figure {
  margin: var(--space-3) 0 0;
}

.page-insights .figure img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.page-insights .figure__caption {
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  line-height: 1.5;
  color: var(--color-ink-muted);
}

/* 暗侧系列索引 */
.page-insights .ins-cover__index {
  position: relative;
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding: var(--space-4) var(--space-3);
  border-top: calc(var(--border-thick) * 2) solid var(--color-contrast-accent);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-width: 0;
}

.page-insights .ins-cover__index-label {
  margin: 0;
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-contrast-accent);
}

.page-insights .ins-series {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

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

.page-insights .ins-series__item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-insights .ins-series__no {
  font-size: var(--text-xl);
  line-height: 1;
  color: var(--color-contrast-accent);
}

.page-insights .ins-series__name {
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  line-height: 1.2;
  color: var(--color-contrast-ink);
}

.page-insights .ins-series__desc {
  grid-column: 2;
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-contrast-ink);
  opacity: 0.72;
}

@media (min-width: 960px) {
  .page-insights .ins-cover {
    padding-block: var(--space-8);
  }

  .page-insights .ins-cover__grid {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    gap: 0;
    align-items: stretch;
  }

  .page-insights .ins-cover__lead {
    padding-right: var(--space-6);
  }

  .page-insights .ins-cover__index {
    border-top: 0;
    border-left: calc(var(--border-thick) * 2) solid var(--color-contrast-accent);
    padding-left: var(--space-4);
  }

  .page-insights .ins-cover__index::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: calc(var(--border-thick) * 3);
    width: var(--border-thin);
    background: var(--color-contrast-line);
  }
}

/* ================= 长读主体 ================= */

.page-insights .ins-read {
  background: var(--color-surface);
}

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

.page-insights .ins-toc {
  background: var(--color-surface-alt);
  border-top: var(--border-thick) solid var(--color-primary);
  padding: var(--space-3);
}

.page-insights .ins-toc__label {
  margin: 0 0 var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.page-insights .ins-toc .toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-insights .ins-toc .toc__link {
  display: block;
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-sm);
  line-height: 1.35;
  color: var(--color-ink-soft);
  text-decoration: none;
  border-left: var(--border-thick) solid transparent;
}

.page-insights .ins-toc .toc__link:hover {
  color: var(--color-primary);
}

.page-insights .ins-toc .toc__link[aria-current="true"] {
  color: var(--color-ink);
  font-weight: var(--weight-heading);
  border-left-color: var(--color-primary);
  background: var(--color-primary-soft);
}

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

.page-insights .ins-chapter {
  scroll-margin-top: var(--space-8);
}

.page-insights .ins-chapter__head {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: var(--border-thick) solid var(--color-ink);
  margin-bottom: var(--space-4);
}

.page-insights .ins-chapter__no {
  font-size: var(--text-3xl);
  line-height: 1;
  color: var(--color-primary);
  letter-spacing: -0.03em;
  flex: none;
}

.page-insights .ins-chapter__title {
  margin: 0;
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1.15;
  color: var(--color-ink);
}

.page-insights .ins-chapter .prose {
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-insights .ins-chapter .prose p {
  margin: 0 0 var(--space-3);
}

.page-insights .ins-chapter .prose p:last-child {
  margin-bottom: 0;
}

.page-insights .ins-chapter .prose a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-insights .ins-chapter__figure {
  margin: var(--space-4) 0;
  max-width: var(--measure);
}

/* 要点条目 */
.page-insights .ins-points {
  list-style: none;
  margin: var(--space-4) 0;
  padding: 0;
  max-width: var(--measure);
}

.page-insights .ins-point {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-1) var(--space-3);
  padding-block: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-insights .ins-point:first-child {
  border-top: var(--border-thick) solid var(--color-ink);
}

.page-insights .ins-point:last-child {
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-insights .ins-point__no {
  font-size: var(--text-lg);
  line-height: 1.15;
  color: var(--color-primary);
}

.page-insights .ins-point__title {
  margin: 0 0 var(--space-1);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  line-height: 1.3;
  color: var(--color-ink);
}

.page-insights .ins-point__body {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
}

/* 关键陈述 */
.page-insights .ins-chapter .pullquote {
  margin: var(--space-4) 0;
  max-width: var(--measure);
}

.page-insights .ins-summary {
  background: var(--color-highlight);
  padding: var(--space-3) var(--space-3) var(--space-3) var(--space-4);
}

.page-insights .ins-summary p {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

@media (min-width: 960px) {
  .page-insights .ins-read__grid {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    gap: var(--space-8);
    align-items: start;
  }

  .page-insights .ins-toc {
    position: sticky;
    top: var(--space-8);
    align-self: start;
    max-height: calc(100vh - var(--space-8) * 2);
    overflow: auto;
  }

  .page-insights .ins-body .rule-double {
    margin-block: var(--space-8);
  }
}

/* ================= 本期八篇 ================= */

.page-insights .ins-archive-section {
  background: var(--color-surface-alt);
  border-top: var(--border-thick) solid var(--color-ink);
}

.page-insights .ins-archive-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.page-insights .ins-archive-title {
  margin: 0;
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1.15;
  color: var(--color-ink);
}

.page-insights .ins-archive-note {
  margin: var(--space-1) 0 0;
  max-width: 62ch;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

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

.page-insights .ins-post {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  background: var(--color-surface);
  border-top: var(--border-thick) solid var(--color-primary);
  padding: var(--space-3);
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.page-insights .ins-post:hover {
  transform: translateY(calc(var(--space-1) / -2));
  border-top-color: var(--color-accent);
}

.page-insights .ins-post[hidden] {
  display: none;
}

.page-insights .ins-post__series {
  margin: 0;
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-primary);
}

.page-insights .ins-post__title {
  margin: 0;
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  line-height: 1.3;
  color: var(--color-ink);
}

.page-insights .ins-post__body {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
}

.page-insights .ins-post__meta {
  margin: auto 0 0;
  padding-top: var(--space-2);
  border-top: var(--border-thin) solid var(--color-line);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

@media (min-width: 720px) {
  .page-insights .ins-archive {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1140px) {
  .page-insights .ins-archive {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-insights .ins-archive-head {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-6);
  }

  .page-insights .ins-archive-head > div:first-child {
    max-width: 56ch;
  }
}

/* ================= 收束出口 ================= */

.page-insights .ins-outro {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

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

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

.page-insights .ins-outro__title {
  margin: var(--space-2) 0 var(--space-3);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1.15;
  color: var(--color-contrast-ink);
}

.page-insights .ins-outro__text {
  margin: 0;
  max-width: 46ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
  opacity: 0.78;
}

.page-insights .ins-outro__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-insights .ins-outro__item {
  padding-block: var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-insights .ins-outro__link {
  display: inline-block;
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1.3;
  color: var(--color-contrast-accent);
  text-decoration: none;
}

.page-insights .ins-outro__link:hover,
.page-insights .ins-outro__link:focus-visible {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-insights .ins-outro__desc {
  margin: var(--space-1) 0 0;
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-contrast-ink);
  opacity: 0.7;
}

@media (min-width: 960px) {
  .page-insights .ins-outro__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--space-8);
    align-items: start;
  }
}

/* ================= 小屏修正与降级 ================= */

@media (max-width: 560px) {
  .page-insights .ins-chapter__head {
    flex-direction: column;
    gap: var(--space-1);
  }

  .page-insights .ins-chapter__no {
    font-size: var(--text-2xl);
  }

  .page-insights .ins-point {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-insights .ins-point__no {
    font-size: var(--text-base);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-insights .ins-post {
    transition: none;
  }

  .page-insights .ins-post:hover {
    transform: none;
  }
}