.page-topics {
  display: block;
  background: var(--color-surface);
  color: var(--color-ink);
}

/* ---------- 首屏 ---------- */
.page-topics .topics-hero {
  position: relative;
  overflow: hidden;
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding: var(--space-6) 0 calc(var(--space-8) * 1.4);
}

.page-topics .topics-hero__bg {
  position: absolute;
  inset: 0;
}

.page-topics .topics-hero__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-topics .topics-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
}

.page-topics .topics-hero__inner {
  position: relative;
  z-index: 1;
}

.page-topics .topics-hero .breadcrumb,
.page-topics .topics-hero .breadcrumb a {
  color: var(--color-contrast-ink);
}

.page-topics .topics-hero__placard {
  margin-top: var(--space-4);
  color: var(--color-contrast-ink);
}

.page-topics .topics-hero__title {
  font-size: var(--text-display);
  max-width: 13ch;
  margin: var(--space-3) 0 0;
}

.page-topics .topics-hero__lead {
  max-width: var(--measure);
  margin: var(--space-3) 0 0;
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}

.page-topics .topics-figures {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: var(--space-3) 0 0;
  border-top: var(--border-thin) solid var(--color-contrast-line);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

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

.page-topics .topics-figure .stat-figure {
  color: var(--color-contrast-accent);
}

.page-topics .topics-figure .figure-unit {
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
}

.page-topics .topics-figure__meta {
  font-size: var(--text-xs);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 70%, transparent);
}

.page-topics .topics-hero__slices {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-topics .topics-slice {
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  border: var(--border-thin) solid color-mix(in srgb, var(--color-contrast-ink) 42%, transparent);
  background: color-mix(in srgb, var(--color-contrast-surface) 62%, transparent);
  color: var(--color-contrast-ink);
  font-size: var(--text-sm);
  text-decoration: none;
}

.page-topics .topics-hero__slices li:nth-child(odd) .topics-slice {
  transform: rotate(-1.6deg);
}

.page-topics .topics-hero__slices li:nth-child(even) .topics-slice {
  transform: rotate(1.4deg);
}

.page-topics .topics-slice__idx {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-contrast-accent);
}

.page-topics .topics-slice:hover,
.page-topics .topics-slice:focus-visible {
  background: var(--color-primary);
  border-color: var(--color-primary-ink);
  color: var(--color-primary-ink);
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 0;
}

.page-topics .topics-corner-card {
  margin: var(--space-6) 0 0;
  max-width: 300px;
  padding: var(--space-3);
  border: var(--border-thick) solid var(--color-contrast-accent);
  background: color-mix(in srgb, var(--color-contrast-surface) 88%, transparent);
}

.page-topics .topics-corner-card__label {
  margin: 0;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-contrast-ink);
}

.page-topics .topics-corner-card__num {
  margin: var(--space-1) 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-3xl);
  line-height: var(--leading-heading);
  color: var(--color-contrast-accent);
}

.page-topics .topics-corner-card__unit {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
}

.page-topics .topics-corner-card__note {
  margin: var(--space-2) 0 0;
  font-size: var(--text-xs);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 72%, transparent);
}

/* ---------- 章节导航条 ---------- */
.page-topics .topics-rail {
  background: var(--color-surface-alt);
  border-top: var(--border-thick) solid var(--color-ink);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-topics .topics-rail__list {
  display: flex;
  gap: var(--space-3);
  margin: 0;
  padding: var(--space-2) 0;
  list-style: none;
  overflow-x: auto;
}

.page-topics .topics-rail__list a {
  display: block;
  white-space: nowrap;
  padding-bottom: var(--space-1);
  border-bottom: var(--border-thick) solid transparent;
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  text-decoration: none;
}

.page-topics .topics-rail__list a:hover,
.page-topics .topics-rail__list a:focus-visible {
  color: var(--color-ink);
  border-bottom-color: var(--color-primary);
}

.page-topics .topics-rail__list a[data-active] {
  color: var(--color-ink);
  border-bottom-color: var(--color-primary);
}

/* ---------- 选择入口 ---------- */
.page-topics .topics-picker__grid {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.page-topics .topics-picker__item {
  border-top: var(--border-thick) solid var(--color-ink);
  padding-top: var(--space-2);
}

.page-topics .topics-picker__item h3 {
  margin: 0 0 var(--space-1);
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
}

.page-topics .topics-picker__item p {
  margin: 0;
  color: var(--color-ink-soft);
}

.page-topics .topics-picker__item .topics-picker__fit {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-primary);
}

.page-topics .topics-picker__next {
  margin: var(--space-4) 0 0;
  padding-left: var(--space-3);
  border-left: var(--border-thick) solid var(--color-accent);
  color: var(--color-ink);
}

.page-topics .topics-picker__next a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 主线通用分节 ---------- */
.page-topics .topics-line {
  border-top: var(--border-thick) solid var(--color-ink);
}

.page-topics .topics-line.on-deep {
  border-top-color: var(--color-contrast-accent);
}

.page-topics .topics-line .section-note {
  max-width: var(--measure);
}

/* ---------- 主线 01 时间线 ---------- */
.page-topics .topics-timeline {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.page-topics .topics-timeline__item {
  padding-top: var(--space-2);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-topics .topics-timeline__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  color: var(--color-primary);
}

.page-topics .topics-timeline__title {
  margin: var(--space-2) 0 var(--space-1);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
}

.page-topics .topics-timeline__meta {
  margin: 0;
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}

.page-topics .topics-timeline__text {
  margin: var(--space-1) 0 0;
  color: var(--color-ink-soft);
}

/* ---------- 分屏组合 ---------- */
.page-topics .topics-split {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

/* ---------- 条目协议（页面内安全兜底） ---------- */
.page-topics .entry-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-topics .entry {
  padding: var(--space-3) 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-topics .entry:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-topics .entry__title {
  margin: 0;
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
}

.page-topics .entry__meta {
  margin: var(--space-1) 0 0;
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}

.page-topics .entry__detail {
  margin: var(--space-2) 0 0;
  color: var(--color-ink-soft);
}

.page-topics .on-deep .entry {
  border-top-color: var(--color-contrast-line);
}

.page-topics .on-deep .entry__title {
  color: var(--color-contrast-ink);
}

.page-topics .on-deep .entry__meta {
  color: color-mix(in srgb, var(--color-contrast-ink) 70%, transparent);
}

.page-topics .on-deep .entry__detail {
  color: var(--color-contrast-ink);
}

/* ---------- 主线 03 赔率 ---------- */
.page-topics .topics-odds__band {
  position: relative;
  overflow: hidden;
  padding: var(--section-y) 0;
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-topics .topics-odds__bg {
  position: absolute;
  inset: 0;
}

.page-topics .topics-odds__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-topics .topics-odds__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
}

.page-topics .topics-odds__band-inner {
  position: relative;
  z-index: 1;
}

.page-topics .topics-odds__body {
  padding: var(--section-y) 0;
}

.page-topics .topics-odds__wrap {
  overflow-x: auto;
  border-top: var(--border-thick) solid var(--color-ink);
}

.page-topics .topics-odds__table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.page-topics .topics-odds__table caption {
  text-align: left;
  padding: var(--space-2) 0;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-topics .topics-odds__table th,
.page-topics .topics-odds__table td {
  text-align: left;
  padding: var(--space-2) var(--space-2) var(--space-2) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
  vertical-align: top;
}

.page-topics .topics-odds__table thead th {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
  border-bottom: var(--border-thick) solid var(--color-primary);
}

.page-topics .topics-odds__table tbody th {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  color: var(--color-ink);
  white-space: nowrap;
}

.page-topics .topics-odds__notes {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
  max-width: var(--measure);
}

.page-topics .topics-odds__notes li {
  padding-left: var(--space-3);
  border-left: var(--border-thick) solid var(--color-primary-soft);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-topics .topics-odds__notes li:last-child {
  border-left-color: var(--color-accent);
  color: var(--color-ink);
}

/* ---------- 主线 04 角球与跑动 ---------- */
.page-topics .topics-corner {
  position: relative;
  overflow: hidden;
}

.page-topics .topics-corner__bg {
  position: absolute;
  inset: 0;
}

.page-topics .topics-corner__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-topics .topics-corner__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
}

.page-topics .topics-corner__inner {
  position: relative;
  z-index: 1;
}

.page-topics .topics-metrics {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-4);
}

.page-topics .topics-metrics li {
  padding-top: var(--space-2);
  border-top: var(--border-thick) solid var(--color-contrast-accent);
}

.page-topics .topics-metrics .stat-figure {
  display: block;
  color: var(--color-contrast-accent);
}

.page-topics .topics-metrics .figure-unit {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
}

.page-topics .topics-metrics p {
  margin: var(--space-2) 0 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}

/* ---------- 主线 05 友谊赛 ---------- */
.page-topics .topics-friendly__list {
  margin-top: var(--space-4);
}

/* ---------- 主线 06 补时 ---------- */
.page-topics .topics-stoppage__list {
  margin-top: 0;
}

/* ---------- 行动出口 ---------- */
.page-topics .topics-exit {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-top: var(--border-thick) solid var(--color-contrast-accent);
}

.page-topics .topics-exit__grid {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.page-topics .topics-exit__card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-top: var(--space-3);
  border-top: var(--border-thick) solid var(--color-contrast-accent);
}

.page-topics .topics-exit__card h3 {
  margin: 0;
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
}

.page-topics .topics-exit__card p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}

.page-topics .topics-exit__card .btn {
  align-self: flex-start;
  margin-top: var(--space-1);
}

.page-topics .topics-exit__foot {
  margin: var(--space-6) 0 0;
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-contrast-line);
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
}

.page-topics .topics-exit__foot a {
  color: var(--color-contrast-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 窄屏：条目细节保持完整可读 ---------- */
@media (max-width: 899px) {
  .page-topics .entry__detail {
    display: block;
    height: auto;
    max-height: none;
    overflow: visible;
    opacity: 1;
  }
}

/* ---------- 中等屏 ---------- */
@media (min-width: 640px) {
  .page-topics .topics-timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-topics .topics-picker__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-topics .topics-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-topics .topics-exit__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 桌面：分屏与越界小卡 ---------- */
@media (min-width: 900px) {
  .page-topics .topics-hero {
    padding-top: var(--space-8);
    padding-bottom: calc(var(--space-8) * 2.4);
  }

  .page-topics .topics-figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-4);
  }

  .page-topics .topics-hero__slices {
    max-width: 66%;
    gap: var(--space-3);
  }

  .page-topics .topics-corner-card {
    position: absolute;
    right: 0;
    bottom: calc(var(--space-8) * -1.1);
    width: 260px;
    margin: 0;
    z-index: 2;
  }

  .page-topics .topics-rail__list {
    justify-content: flex-start;
    gap: var(--space-4);
    overflow-x: visible;
  }

  .page-topics .topics-picker__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4);
  }

  .page-topics .topics-timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-4);
  }

  .page-topics .topics-split {
    grid-template-columns: 7fr 5fr;
    gap: var(--space-6);
    align-items: start;
  }

  .page-topics .topics-split--reverse {
    grid-template-columns: 5fr 7fr;
  }

  .page-topics .topics-split__aside {
    position: sticky;
    top: var(--space-4);
  }

  .page-topics .topics-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-6);
  }

  .page-topics .topics-exit__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-6);
  }

  .page-topics .topics-odds__body {
    padding-bottom: var(--section-y-lg);
  }
}