/* ==========================================================================
   赛况观察 /insights/ — 长文档 · 分屏对照版式
   作用域：.page-insights
   ========================================================================== */

.page-insights {
  --ins-sidebar: 232px;
  --ins-frame-line: 1px solid var(--color-line);
  display: block;
}

/* --- 面包屑 --- */
.page-insights .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  padding-block: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-insights .breadcrumbs a {
  color: var(--color-ink-soft);
  text-decoration: none;
}

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

.page-insights .breadcrumb-current {
  color: var(--color-ink);
}

/* --- 首屏：左封面 / 右篇目索引 --- */
.page-insights .ins-hero {
  margin-top: var(--space-2);
}

.page-insights .ins-hero__frame {
  display: grid;
  grid-template-columns: 1fr;
  border-top: var(--ins-frame-line);
  border-bottom: var(--ins-frame-line);
}

.page-insights .ins-hero__cover {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 460px;
  overflow: hidden;
  background-color: var(--color-contrast-surface);
}

.page-insights .ins-hero__cover-img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
}

.page-insights .ins-hero__scrim {
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
  pointer-events: none;
}

.page-insights .ins-hero__cover-body {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: var(--space-6) var(--space-4);
}

.page-insights .ins-hero__eyebrow {
  margin: 0 0 var(--space-2);
  color: var(--color-contrast-accent);
}

.page-insights .ins-hero__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 0.96;
  letter-spacing: -0.03em;
  color: var(--color-contrast-ink);
  text-wrap: balance;
  overflow-wrap: anywhere;
}

.page-insights .ins-hero__lead {
  margin: var(--space-3) 0 0;
  max-width: 40ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
  opacity: 0.88;
}

.page-insights .ins-hero__figures {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin: var(--space-6) 0 0;
  padding: var(--space-4) 0 0;
  list-style: none;
  border-top: 1px solid var(--color-contrast-line);
}

.page-insights .ins-figure {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 76px;
}

.page-insights .ins-figure__num {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: var(--weight-body);
  line-height: 0.92;
  color: var(--color-contrast-accent);
  font-variant-numeric: tabular-nums;
}

.page-insights .ins-figure__label {
  color: var(--color-contrast-ink);
  opacity: 0.7;
}

/* 右侧篇目索引 */
.page-insights .ins-hero__index {
  padding: var(--space-6) var(--space-4);
  background-color: var(--color-surface);
}

.page-insights .ins-index__head {
  margin: 0 0 var(--space-3);
  color: var(--color-ink-muted);
}

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

.page-insights .ins-index__cat {
  padding-block: var(--space-3);
  border-top: var(--ins-frame-line);
}

.page-insights .ins-index__cat-name {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-2);
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-insights .ins-index__count {
  font-size: var(--text-xs);
  font-weight: var(--weight-body);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

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

.page-insights .ins-index__link {
  display: inline-block;
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-ink-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 200ms ease-out, border-color 200ms ease-out;
}

.page-insights .ins-index__link:hover,
.page-insights .ins-index__link:focus-visible {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* --- 正文阅读区：左目录 / 右章节 --- */
.page-insights .ins-read {
  padding-block: var(--section-y);
  background-color: var(--color-surface);
}

.page-insights .ins-read__frame {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  align-items: start;
}

.page-insights .ins-toc {
  padding-bottom: var(--space-3);
  border-bottom: var(--ins-frame-line);
}

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

.page-insights .ins-toc__list {
  display: flex;
  flex-direction: row;
  gap: var(--space-3);
  margin: 0;
  padding: 0 0 var(--space-1);
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-insights .ins-toc__list .index-link {
  display: block;
  padding: var(--space-1) 0;
  font-size: var(--text-sm);
  white-space: nowrap;
  color: var(--color-ink-soft);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 200ms ease-out, border-color 200ms ease-out;
}

.page-insights .ins-toc__list .index-link[aria-current="true"] {
  color: var(--color-primary);
}

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

/* --- 章节 --- */
.page-insights .ins-chapter {
  padding-block: var(--space-6);
  border-top: var(--ins-frame-line);
}

.page-insights .ins-chapter:first-child {
  padding-top: 0;
  border-top: none;
}

.page-insights .ins-chapter__num {
  margin: 0 0 var(--space-2);
  color: var(--color-primary);
}

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

.page-insights .ins-sub {
  max-width: var(--measure);
  margin: var(--space-6) 0 0;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

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

.page-insights .ins-note {
  max-width: var(--measure);
  margin: var(--space-3) 0 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

/* --- 要点框 --- */
.page-insights .ins-callout {
  max-width: var(--measure);
  margin: var(--space-6) 0 0;
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-primary-soft);
  border-left: 3px solid var(--color-primary);
}

.page-insights .ins-callout__label {
  margin: 0 0 var(--space-2);
  color: var(--color-primary);
}

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

/* --- 数据表 --- */
.page-insights .ins-table-wrap {
  margin-top: var(--space-6);
  overflow-x: auto;
  border: var(--ins-frame-line);
}

.page-insights .ins-table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.page-insights .ins-table__caption {
  caption-side: top;
  padding: var(--space-2) var(--space-3);
  text-align: left;
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-insights .ins-table th,
.page-insights .ins-table td {
  padding: var(--space-2) var(--space-3);
  text-align: left;
  vertical-align: top;
  border-bottom: var(--ins-frame-line);
  color: var(--color-ink-soft);
}

.page-insights .ins-table thead th {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: var(--weight-heading);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--color-ink);
  background-color: var(--color-surface-deep);
}

.page-insights .ins-table tbody tr:last-child td {
  border-bottom: none;
}

.page-insights .ins-table td:nth-child(n + 3) {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--color-ink);
}

.page-insights .ins-table tbody tr:hover td {
  background-color: var(--color-highlight);
}

/* --- 赛季切换 --- */
.page-insights .ins-tabs {
  margin-top: var(--space-6);
  border: var(--ins-frame-line);
}

.page-insights .ins-tabs__bar {
  display: flex;
  overflow-x: auto;
  border-bottom: var(--ins-frame-line);
  scrollbar-width: thin;
}

.page-insights .ins-tab-btn {
  flex: 0 0 auto;
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  color: var(--color-ink-soft);
  background-color: var(--color-surface-alt);
  border: none;
  border-right: var(--ins-frame-line);
  border-radius: 0;
  cursor: pointer;
  transition: background-color 200ms ease-out, color 200ms ease-out;
}

.page-insights .ins-tab-btn:last-child {
  border-right: none;
}

.page-insights .ins-tab-btn:hover {
  color: var(--color-ink);
  background-color: var(--color-surface-deep);
}

.page-insights .ins-tab-btn[aria-selected="true"],
.page-insights .ins-tab-btn[data-active="true"] {
  color: var(--color-accent-ink);
  background-color: var(--color-accent);
}

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

.page-insights .ins-season[data-panel] {
  display: none;
  padding: var(--space-4);
}

.page-insights .ins-season[data-panel].is-visible {
  display: block;
}

.page-insights .ins-season__pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background-color: var(--color-line);
  border: var(--ins-frame-line);
}

.page-insights .ins-season__side {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3);
  background-color: var(--color-surface);
}

.page-insights .ins-season__num {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  line-height: 1;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}

.page-insights .ins-season__sub {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

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

/* --- 时间线 --- */
.page-insights .ins-timeline {
  margin: var(--space-6) 0 0;
  padding: 0;
  list-style: none;
}

.page-insights .ins-timeline .timeline-item {
  position: relative;
  padding: 0 0 var(--space-6) var(--space-6);
  border-left: var(--ins-frame-line);
}

.page-insights .ins-timeline .timeline-item:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-insights .ins-timeline .timeline-node {
  position: absolute;
  left: -4px;
  top: 5px;
  display: block;
  width: 7px;
  height: 7px;
  background-color: var(--color-primary);
}

.page-insights .ins-timeline .timeline-date {
  margin: 0;
  color: var(--color-ink-muted);
}

.page-insights .ins-timeline__title {
  max-width: var(--measure);
  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-insights .ins-timeline .ins-text {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
}

/* --- 图片 --- */
.page-insights .ins-figure-block {
  margin: var(--space-6) 0 0;
}

.page-insights .ins-media {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: var(--ins-frame-line);
}

.page-insights .ins-figure-block--portrait {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-insights .ins-shot--portrait {
  display: block;
  width: 100%;
  max-width: 360px;
  height: auto;
  object-fit: cover;
  border: var(--ins-frame-line);
}

.page-insights .ins-figure-block .media-caption {
  max-width: var(--measure);
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

/* --- 延伸阅读 --- */
.page-insights .ins-more {
  max-width: var(--measure);
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: var(--ins-frame-line);
}

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

.page-insights .ins-more .ins-text {
  margin-top: 0;
}

/* --- 焦点可见性 --- */
.page-insights a:focus-visible,
.page-insights button:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

/* --- 平板与桌面 --- */
@media (min-width: 720px) {
  .page-insights .ins-hero__cover-body {
    padding: var(--space-8) var(--space-6);
  }

  .page-insights .ins-toc__list {
    flex-wrap: wrap;
  }
}

@media (min-width: 960px) {
  .page-insights .ins-hero__frame {
    grid-template-columns: 38fr 62fr;
  }

  .page-insights .ins-hero__cover {
    min-height: 640px;
  }

  .page-insights .ins-hero__index {
    padding: var(--space-8) var(--space-6);
    border-left: var(--ins-frame-line);
  }

  .page-insights .ins-read__frame {
    grid-template-columns: var(--ins-sidebar) minmax(0, 1fr);
    gap: var(--space-8);
  }

  .page-insights .ins-toc {
    position: sticky;
    top: var(--space-6);
    padding: 0 0 0 var(--space-3);
    border-bottom: none;
    border-left: var(--ins-frame-line);
  }

  .page-insights .ins-toc__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-insights .ins-toc__list .index-link {
    white-space: normal;
    padding: var(--space-2) 0;
  }

  .page-insights .ins-toc__list .index-link[aria-current="true"] {
    border-left-color: var(--color-primary);
  }

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

  .page-insights .ins-season[data-panel] {
    padding: var(--space-6);
  }
}

@media (min-width: 1180px) {
  .page-insights .ins-hero__title {
    letter-spacing: -0.03em;
  }
}

/* --- 减少动效 --- */
@media (prefers-reduced-motion: reduce) {
  .page-insights .ins-index__link,
  .page-insights .ins-tab-btn,
  .page-insights .ins-toc__list .index-link {
    transition: none;
  }
}
</


/* 赛况观察页面专属补充：细线收口与滚动节奏 */
.page-insights .ins-read__frame > .ins-toc {
  background-color: var(--color-surface-alt);
}

@media (min-width: 960px) {
  .page-insights .ins-read__frame > .ins-toc {
    background-color: transparent;
  }
}

.page-insights .ins-chapter:nth-child(even) {
  position: relative;
}

.page-insights .ins-chapter:nth-child(even)::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 48px;
  height: 3px;
  background-color: var(--color-primary);
}

.page-insights .ins-chapter:first-child::before {
  display: none;
}
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