.page-releases {
  display: block;
  overflow-wrap: break-word;
}

/* ---------- 面包屑 ---------- */
.page-releases .breadcrumb {
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  letter-spacing: 0.02em;
}
.page-releases .breadcrumb a {
  color: var(--color-ink-soft);
  text-decoration: none;
}
.page-releases .breadcrumb a:hover,
.page-releases .breadcrumb a:focus-visible {
  color: var(--color-primary);
}
.page-releases .breadcrumb-sep {
  margin: 0 var(--space-1);
  color: var(--color-line);
}

/* ---------- 首屏 ---------- */
.page-releases .rel-hero {
  padding-bottom: var(--section-y);
}
.page-releases .rel-hero__inner {
  display: grid;
  gap: var(--space-6);
  align-items: end;
  padding-bottom: var(--space-6);
}
.page-releases .rel-kicker {
  margin: 0 0 var(--space-4);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  color: var(--color-primary);
}
.page-releases .rel-hero__title {
  margin: 0 0 var(--space-4);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-display);
  line-height: 0.96;
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}
.page-releases .rel-hero__lede {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-releases .rel-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4) var(--space-3);
  margin: 0;
}
.page-releases .rel-figure {
  display: flex;
  flex-direction: column-reverse;
  gap: var(--space-1);
  min-width: 0;
}
.page-releases .rel-figure__label {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}
.page-releases .rel-figure__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  line-height: 1;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}

/* ---------- 批次刻度 ---------- */
.page-releases .rel-scale {
  overflow-x: auto;
  padding-bottom: var(--space-4);
  scrollbar-width: thin;
}
.page-releases .rel-scale__rail {
  position: relative;
  display: flex;
  justify-content: space-between;
  min-width: 620px;
  padding-top: var(--space-1);
}
.page-releases .rel-scale__line {
  position: absolute;
  left: 4px;
  right: 4px;
  top: 7px;
  height: var(--border-thin);
  background: var(--color-line);
}
.page-releases .rel-scale__mark {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 var(--space-1);
  text-decoration: none;
  color: var(--color-ink-muted);
}
.page-releases .rel-scale__dot {
  width: 7px;
  height: 7px;
  margin-bottom: var(--space-2);
  background: var(--color-surface-deep);
  border-radius: var(--radius-sm);
  transition: background-color 200ms ease-out, transform 200ms ease-out;
}
.page-releases .rel-scale__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}
.page-releases .rel-scale__mark:hover .rel-scale__dot,
.page-releases .rel-scale__mark:focus-visible .rel-scale__dot {
  background: var(--color-primary);
}
.page-releases .rel-scale__mark:hover .rel-scale__label,
.page-releases .rel-scale__mark:focus-visible .rel-scale__label {
  color: var(--color-primary);
}
.page-releases .rel-scale__mark:focus-visible {
  outline: var(--border-thin) solid var(--color-focus);
  outline-offset: var(--space-1);
}
.page-releases .rel-scale__mark.is-current .rel-scale__dot {
  width: 9px;
  height: 9px;
  transform: translateY(-1px);
  background: var(--color-accent);
}
.page-releases .rel-scale__mark.is-current .rel-scale__label {
  color: var(--color-accent);
  letter-spacing: 0.06em;
}

/* ---------- 首屏图 ---------- */
.page-releases .rel-hero__figure {
  margin: 0;
}
.page-releases .rel-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-md);
}
.page-releases .rel-hero__figure .figure-caption {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  letter-spacing: 0.02em;
}

/* ---------- 章头 ---------- */
.page-releases .rel-section-head {
  margin-bottom: var(--space-8);
}
.page-releases .section-num {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}
.page-releases .section-title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}
.page-releases .rel-section-note {
  margin: var(--space-3) 0 0;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-muted);
}

/* ---------- 筛选 ---------- */
.page-releases .rel-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-bottom: var(--space-8);
}
.page-releases .rel-filter .filter-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  background: var(--color-surface-alt);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color 200ms ease-out, color 200ms ease-out;
}
.page-releases .rel-filter .filter-btn:hover {
  color: var(--color-ink);
  background: var(--color-surface-deep);
}
.page-releases .rel-filter .filter-btn:focus-visible {
  outline: var(--border-thin) solid var(--color-focus);
  outline-offset: 2px;
}
.page-releases .rel-filter .filter-btn.is-active,
.page-releases .rel-filter .filter-btn[aria-pressed="true"] {
  color: var(--color-primary);
  background: var(--color-primary-soft);
}
.page-releases .rel-filter .filter-count {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  font-variant-numeric: tabular-nums;
}

/* ---------- 条目流 ---------- */
.page-releases .rel-feed-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-releases .rel-entry {
  display: grid;
  gap: var(--space-2);
  scroll-margin-top: 120px;
}
.page-releases .rel-entry + .rel-entry {
  margin-top: var(--space-6);
}
.page-releases .rel-entry__num {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  line-height: var(--leading-heading);
  letter-spacing: 0.08em;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}
.page-releases .rel-entry__body {
  min-width: 0;
}
.page-releases .rel-entry__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}
.page-releases .rel-entry__state {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
}
.page-releases .rel-entry__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  letter-spacing: 0.01em;
  color: var(--color-ink);
}
.page-releases .rel-entry__desc {
  margin: 0 0 var(--space-2);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-ink-soft);
}
.page-releases .rel-entry__scope {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.02em;
  color: var(--color-ink-muted);
  font-variant-numeric: tabular-nums;
}
.page-releases .rel-entry__link {
  display: inline-block;
  font-size: var(--text-sm);
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: var(--border-thin);
  text-decoration-color: var(--color-primary-soft);
  text-underline-offset: 4px;
  transition: color 200ms ease-out, text-decoration-color 200ms ease-out;
}
.page-releases .rel-entry__link:hover,
.page-releases .rel-entry__link:focus-visible {
  color: var(--color-focus);
  text-decoration-color: var(--color-focus);
}

/* ---------- 标签 ---------- */
.page-releases .tag {
  display: inline-block;
  padding: 2px var(--space-1);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border-radius: var(--radius-sm);
}

/* ---------- 序列对照 ---------- */
.page-releases .rel-series__figure {
  margin: 0 0 var(--space-6);
}
.page-releases .rel-series__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-md);
}
.page-releases .rel-series__figure .figure-caption {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}
.page-releases .rel-series__list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-releases .rel-series__row {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-3) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}
.page-releases .rel-series__row:first-child {
  border-top: var(--border-thin) solid var(--color-line);
}
.page-releases .rel-series__code {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}
.page-releases .rel-series__range {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.02em;
  color: var(--color-ink-muted);
  font-variant-numeric: tabular-nums;
}
.page-releases .rel-series__desc {
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

/* ---------- 批次说明 ---------- */
.page-releases .rel-cadence__grid {
  display: grid;
  gap: var(--space-6);
}
.page-releases .rel-cadence__body {
  min-width: 0;
}
.page-releases .rel-cadence__body > p {
  margin: 0 0 var(--space-4);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}
.page-releases .rel-note {
  max-width: var(--measure);
  margin-top: var(--space-6);
  padding-left: var(--space-4);
}
.page-releases .rel-note__label {
  margin: 0 0 var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-accent);
}
.page-releases .rel-note p:last-child {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.9;
  color: var(--color-ink-muted);
}

/* ---------- 移动端同步 ---------- */
.page-releases .rel-mobile__panel {
  padding: var(--space-6) var(--space-4);
  background: var(--color-surface-deep);
  border-radius: var(--radius-md);
}
.page-releases .rel-mobile__kicker {
  margin: 0 0 var(--space-3);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  color: var(--color-primary);
}
.page-releases .rel-mobile__value {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-3xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}
.page-releases .rel-mobile__desc {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}
.page-releases .rel-mobile__grid {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-6);
}
.page-releases .rel-mobile__col {
  min-width: 0;
}
.page-releases .rel-mobile__label {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-accent);
}
.page-releases .rel-mobile__text {
  margin: 0;
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-ink-soft);
}
.page-releases .rel-mobile__link {
  margin: var(--space-6) 0 0;
  font-size: var(--text-sm);
}
.page-releases .rel-mobile__link a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: var(--border-thin);
  text-decoration-color: var(--color-primary-soft);
  text-underline-offset: 4px;
}
.page-releases .rel-mobile__link a:hover,
.page-releases .rel-mobile__link a:focus-visible {
  color: var(--color-focus);
  text-decoration-color: var(--color-focus);
}

/* ---------- 回溯入口 ---------- */
.page-releases .rel-recall__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-6);
}
.page-releases .rel-recall__item {
  min-width: 0;
}
.page-releases .rel-recall__num {
  display: block;
  margin-bottom: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}
.page-releases .rel-recall__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}
.page-releases .rel-recall__text {
  margin: 0;
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-ink-soft);
}
.page-releases .rel-recall__tail {
  margin: var(--space-8) 0 0;
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: 1.9;
  color: var(--color-ink-muted);
}
.page-releases .rel-recall__tail a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: var(--border-thin);
  text-decoration-color: var(--color-primary-soft);
  text-underline-offset: 3px;
}
.page-releases .rel-recall__tail a:hover,
.page-releases .rel-recall__tail a:focus-visible {
  color: var(--color-focus);
  text-decoration-color: var(--color-focus);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-releases .rel-mobile__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-6);
  }
  .page-releases .rel-mobile__panel {
    padding: var(--space-8) var(--space-6);
  }
  .page-releases .rel-recall__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-releases .rel-entry {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: var(--space-4);
  }
  .page-releases .rel-series__row {
    grid-template-columns: 84px 130px minmax(0, 1fr);
    align-items: baseline;
    gap: var(--space-4);
  }
}

@media (min-width: 900px) {
  .page-releases .rel-hero__inner {
    grid-template-columns: minmax(0, 1fr) 200px;
    gap: var(--space-8);
    padding-bottom: var(--space-8);
  }
  .page-releases .rel-figures {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  .page-releases .rel-cadence__grid {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: var(--space-8);
  }
  .page-releases .rel-cadence__body {
    padding-left: var(--space-6);
  }
  .page-releases .rel-scale__rail {
    min-width: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-releases .rel-scale__dot,
  .page-releases .rel-scale__label,
  .page-releases .rel-entry__link,
  .page-releases .rel-filter .filter-btn {
    transition: none;
  }
}
</main>