/* ===== 赛区专题 · page-topics ===== */

.page-topics {
  display: block;
  overflow-x: hidden;
}

/* ---------- 顶部信息条 ---------- */
.page-topics .topics-topbar {
  background: var(--color-surface-alt);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-topics .topics-topbar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-1) var(--space-3);
  padding-top: var(--space-2);
  padding-bottom: var(--space-2);
}

.page-topics .topics-topbar__meta {
  margin: 0;
}

/* ---------- 首屏 ---------- */
.page-topics .topics-hero {
  padding-top: var(--section-y);
  padding-bottom: var(--space-6);
}

.page-topics .topics-hero__kicker {
  margin: 0 0 var(--space-3);
}

.page-topics .topics-hero__title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 0.9;
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  transform: skewX(-2deg);
  transform-origin: 0 100%;
}

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

/* 专题色块 */
.page-topics .topics-hero__blocks {
  list-style: none;
  margin: 0 0 var(--space-6);
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--border-thin);
  background: var(--color-line);
  border: var(--border-thin) solid var(--color-line);
}

.page-topics .topic-block {
  display: flex;
}

.page-topics .topic-block__link {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  width: 100%;
  min-height: 128px;
  padding: var(--space-3);
  background: var(--color-surface);
  color: var(--color-ink);
  text-decoration: none;
  transition: background 160ms ease, color 160ms ease;
}

.page-topics .topic-block__link:hover,
.page-topics .topic-block__link:focus-visible {
  background: var(--color-primary-soft);
}

.page-topics .topic-block__num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-topics .topic-block__name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1.2;
  letter-spacing: var(--tracking-heading);
}

.page-topics .topic-block__freq {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-ink-muted);
}

.page-topics .topic-block--lead .topic-block__link {
  background: var(--color-primary);
  color: var(--color-primary-ink);
}

.page-topics .topic-block--lead .topic-block__link:hover,
.page-topics .topic-block--lead .topic-block__link:focus-visible {
  background: var(--color-primary);
  color: var(--color-primary-ink);
  box-shadow: inset 0 -4px 0 var(--color-primary-ink);
}

.page-topics .topic-block--lead .topic-block__num,
.page-topics .topic-block--lead .topic-block__freq {
  color: var(--color-primary-ink);
  opacity: 0.82;
}

/* 关键数字 */
.page-topics .topics-hero__figures {
  list-style: none;
  margin: 0;
  padding: var(--space-4) 0 0;
  border-top: var(--border-thin) solid var(--color-line);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4) var(--space-3);
}

.page-topics .topics-figure__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  font-variant-numeric: tabular-nums;
}

.page-topics .topics-figure__label {
  display: block;
  margin-top: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-ink-muted);
}

/* 首屏咬合图 */
.page-topics .topics-hero__overlap {
  margin-top: var(--space-6);
}

.page-topics .topics-hero__card {
  position: relative;
  z-index: 2;
  max-width: 32rem;
  margin-top: calc(-1 * var(--space-6));
  margin-left: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border: var(--border-thin) solid var(--color-contrast-line);
}

.page-topics .topics-hero__card-k {
  margin: 0 0 var(--space-1);
  color: var(--color-contrast-accent);
}

.page-topics .topics-hero__card-t {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
}

/* ---------- 连续画布 ---------- */
.page-topics .topics-canvas-wrap {
  padding-top: var(--section-y);
}

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

.page-topics .topics-rail {
  border-top: 2px solid var(--color-primary);
  padding-top: var(--space-2);
}

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

.page-topics .toc__item {
  min-width: 0;
}

.page-topics .toc__link {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  text-decoration: none;
  border-bottom: var(--border-thin) solid transparent;
  padding-bottom: 2px;
}

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

.page-topics .toc__link[aria-current="true"] {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  font-weight: var(--weight-heading);
}

.page-topics .topics-rail__note {
  margin: var(--space-2) 0 0;
  display: none;
}

/* 专题面板 */
.page-topics .topics-stream {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.page-topics .topic-panel {
  position: relative;
  padding: var(--space-6) var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-topics .topic-panel::before {
  content: "";
  position: absolute;
  top: -1px;
  left: var(--space-3);
  width: 72px;
  height: 2px;
  background: var(--color-primary);
}

.page-topics .topic-panel:nth-child(even) {
  background: var(--color-surface-alt);
}

.page-topics .topic-panel__head {
  max-width: 62ch;
  margin-bottom: var(--space-4);
}

.page-topics .topic-panel__index {
  margin: 0 0 var(--space-2);
}

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

.page-topics .topic-panel__value {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-topics .topic-panel__body {
  min-width: 0;
}

.page-topics .topic-panel__main {
  min-width: 0;
}

.page-topics .topic-panel__fig {
  margin: var(--space-4) 0 0;
}

.page-topics .topic-panel__fig--wide {
  margin-top: 0;
  margin-bottom: var(--space-4);
}

.page-topics .topic-panel__stat {
  margin: var(--space-3) 0 0;
}

.page-topics .topic-panel__foot {
  margin: var(--space-4) 0 0;
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-topics .topic-panel__foot a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 2px solid color-mix(in srgb, var(--color-accent) 45%, transparent);
}

.page-topics .topic-panel__foot a:hover,
.page-topics .topic-panel__foot a:focus-visible {
  border-bottom-color: var(--color-accent);
}

/* 赛区轮次格 */
.page-topics .round-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--border-thin);
  background: var(--color-line);
  border: var(--border-thin) solid var(--color-line);
}

.page-topics .round-cell {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-3);
  background: var(--color-surface);
}

.page-topics .round-cell__zone {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}

.page-topics .round-cell__round {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  letter-spacing: -0.01em;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}

.page-topics .round-cell__note {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

/* 转会状态条目 */
.page-topics .move-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.page-topics .move-item {
  padding: var(--space-2) 0 var(--space-2) var(--space-3);
  border-left: 2px solid var(--color-line);
}

.page-topics .move-item--confirmed {
  border-left-color: var(--color-primary);
}

.page-topics .move-item--pending {
  border-left-color: var(--color-accent);
}

.page-topics .move-item--excluded {
  border-left-color: var(--color-ink-muted);
}

.page-topics .move-item__state {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin: 0 0 var(--space-1);
}

.page-topics .move-item__title {
  margin: 0 0 var(--space-1);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-topics .move-item__desc {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* 伤停时间线 */
.page-topics .injury-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 var(--space-4);
  border-left: var(--border-thin) solid var(--color-line);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.page-topics .injury-step {
  position: relative;
}

.page-topics .injury-step::before {
  content: "";
  position: absolute;
  top: 6px;
  left: calc(-1 * var(--space-4) - 3px);
  width: 5px;
  height: 5px;
  background: var(--color-accent);
}

.page-topics .injury-step__when {
  margin: 0 0 var(--space-1);
}

.page-topics .injury-step__title {
  margin: 0 0 var(--space-1);
  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-topics .injury-step__desc {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* 补时统计 */
.page-topics .stoppage-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.page-topics .stoppage-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-1);
  align-items: center;
}

.page-topics .stoppage-row__label {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  letter-spacing: 0.04em;
}

.page-topics .stoppage-row__bar {
  display: block;
  height: 8px;
  background: var(--color-surface-deep);
  border: var(--border-thin) solid var(--color-line);
}

.page-topics .stoppage-row__fill {
  display: block;
  height: 100%;
  background: var(--color-accent);
}

.page-topics .stoppage-row:nth-child(1) .stoppage-row__fill { width: 79%; }
.page-topics .stoppage-row:nth-child(2) .stoppage-row__fill { width: 91%; }
.page-topics .stoppage-row:nth-child(3) .stoppage-row__fill { width: 71%; }
.page-topics .stoppage-row:nth-child(4) .stoppage-row__fill { width: 100%; }

.page-topics .stoppage-row__val {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  color: var(--color-ink);
  font-variant-numeric: tabular-nums;
}

/* 青训阶梯 */
.page-topics .youth-ladder {
  list-style: none;
  margin: 0 0 var(--space-4);
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.page-topics .youth-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-2);
  align-items: start;
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-deep);
  border-left: 3px solid var(--color-primary);
}

.page-topics .youth-step__age {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  line-height: 1;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}

.page-topics .youth-step__title {
  margin: 0 0 2px;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-topics .youth-step__desc {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-topics .promo-track {
  list-style: none;
  margin: 0 0 var(--space-4);
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-topics .promo-track__item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  border: var(--border-thin) solid var(--color-accent);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
}

.page-topics .promo-track__n {
  color: var(--color-ink-muted);
}

/* 友谊赛条目 */
.page-topics .friendly-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
}

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

.page-topics .friendly-item__title {
  margin: 0 0 var(--space-1);
  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-topics .friendly-item__desc {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 更新节奏 ---------- */
.page-topics .topics-cadence {
  margin-top: var(--space-8);
  padding: var(--section-y) 0;
  background: var(--color-surface-deep);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-topics .topics-cadence__kicker {
  margin: 0 0 var(--space-2);
}

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

.page-topics .topics-cadence__lede {
  max-width: 58ch;
  margin: 0 0 var(--space-4);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-topics .cadence-list {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-topics .cadence-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-1);
  padding: var(--space-3) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-topics .cadence-row__k {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  letter-spacing: 0.04em;
  color: var(--color-primary);
}

.page-topics .cadence-row__v {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-topics .topics-cadence__hint {
  margin: var(--space-3) 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

/* ---------- 出口 ---------- */
.page-topics .topics-exit {
  padding: var(--section-y-lg) 0 var(--section-y);
}

.page-topics .topics-exit__panel {
  border-top: 3px solid var(--color-primary);
  padding-top: var(--space-4);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}

.page-topics .topics-exit__kicker {
  margin: 0 0 var(--space-2);
}

.page-topics .topics-exit__title {
  margin: 0 0 var(--space-3);
  color: var(--color-ink);
}

.page-topics .topics-exit__text {
  max-width: 58ch;
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-topics .exit-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--border-thin);
  background: var(--color-line);
  border: var(--border-thin) solid var(--color-line);
}

.page-topics .exit-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3);
  background: var(--color-surface);
}

.page-topics .exit-item__title {
  margin: 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-topics .exit-item__desc {
  margin: 0 0 var(--space-2);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-topics .exit-item__link {
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 2px solid color-mix(in srgb, var(--color-accent) 45%, transparent);
}

.page-topics .exit-item__link:hover,
.page-topics .exit-item__link:focus-visible {
  border-bottom-color: var(--color-accent);
  transform: translateX(2px);
}

.page-topics .exit-contact {
  grid-column: 1 / -1;
  margin: 0;
}

/* ---------- 返回顶部 ---------- */
.page-topics .topics-totop {
  display: flex;
  justify-content: flex-end;
  padding: 0 0 var(--space-6);
}

/* ===== 窄屏以上的布局 ===== */
@media (min-width: 560px) {
  .page-topics .topics-hero__blocks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .page-topics .exit-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-topics .stoppage-row {
    grid-template-columns: 8rem minmax(0, 1fr) 9rem;
    gap: var(--space-2);
  }

  .page-topics .cadence-row {
    grid-template-columns: 12rem minmax(0, 1fr);
    gap: var(--space-3);
    align-items: baseline;
  }
}

@media (min-width: 860px) {
  .page-topics .topics-hero__blocks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-topics .topic-panel__body--split {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-4);
    align-items: start;
  }

  .page-topics .topic-panel__body--split.topic-panel__body--reverse {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-topics .topic-panel__body--reverse .topic-panel__main {
    order: 2;
  }

  .page-topics .topic-panel__body--reverse .topic-panel__fig {
    order: 1;
    margin-top: var(--space-3);
    transform: translateX(calc(-1 * var(--space-2)));
  }

  .page-topics .topic-panel__body--split .topic-panel__fig {
    margin-top: var(--space-3);
    transform: translateX(var(--space-3));
  }

  .page-topics .youth-step:nth-child(2) { margin-left: var(--space-2); }
  .page-topics .youth-step:nth-child(3) { margin-left: var(--space-4); }
  .page-topics .youth-step:nth-child(4) { margin-left: var(--space-6); }
}

@media (min-width: 1024px) {
  .page-topics .topics-rail {
    position: sticky;
    top: var(--space-3);
  }

  .page-topics .topics-canvas {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    gap: var(--space-6);
    align-items: start;
  }

  .page-topics .toc__list {
    flex-direction: column;
    gap: var(--space-2);
  }

  .page-topics .topics-rail__note {
    display: block;
  }

  .page-topics .topics-exit__panel {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }

  .page-topics .topics-exit__lead {
    padding-right: var(--space-4);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-topics .topic-block__link,
  .page-topics .exit-item__link {
    transition: none;
  }

  .page-topics .topic-panel__body--split .topic-panel__fig,
  .page-topics .topic-panel__body--reverse .topic-panel__fig {
    transform: none;
  }
}