.page-releases {
  --rel-stream-col: 208px;
  --rel-transition: 160ms ease-out;
}

/* ---------- 首屏 ---------- */

.page-releases__hero {
  padding: var(--space-4) 0 0;
}

.page-releases__hero-grid {
  display: grid;
  gap: var(--space-6);
  margin-top: var(--space-4);
}

.page-releases__eyebrow {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  color: var(--color-ink-muted);
}

.page-releases__title {
  margin: 0;
  padding-left: var(--space-3);
  border-left: 4px solid var(--color-accent);
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

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

.page-releases__hero-figures {
  display: grid;
  gap: var(--space-3);
  align-content: end;
}

.page-releases__stat-major {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

.page-releases__stat-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums lining-nums;
  font-size: var(--text-figure);
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--color-accent);
}

.page-releases__stat-label {
  font-size: var(--text-sm);
  line-height: var(--leading-heading);
  color: var(--color-ink-soft);
}

.page-releases__stat-minors {
  display: grid;
  gap: var(--space-1);
  margin-top: var(--space-1);
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-releases__stat-minor {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-heading);
  color: var(--color-ink-muted);
}

.page-releases__stat-num-sm {
  margin-right: var(--space-1);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums lining-nums;
  font-size: var(--text-lg);
  color: var(--color-ink);
}

.page-releases__hero-media {
  margin: 0;
  padding: var(--space-6) 0 0;
}

.page-releases__hero-media .media {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-releases__hero-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.42) contrast(0.96);
}

/* ---------- 条目流 ---------- */

.page-releases__stream-layout {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.page-releases__lines-index {
  align-self: start;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-releases__lines-index-title {
  margin: 0;
  padding: var(--space-2) 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-releases__lines-index-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-releases__lines-index-list li a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-2) 0 var(--space-2) var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
  border-left: 2px solid transparent;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  text-decoration: none;
  transition: border-left-width var(--rel-transition), background-color var(--rel-transition), color var(--rel-transition);
}

.page-releases__lines-index-list li a:hover,
.page-releases__lines-index-list li a:focus-visible {
  border-left-width: 4px;
  border-left-color: var(--color-accent);
  background: var(--color-highlight);
  color: var(--color-ink);
}

.page-releases__lines-index-count {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums lining-nums;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-releases__entries {
  margin: 0;
  padding: 0;
  list-style: none;
}

.release-entry {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.release-entry:last-child {
  border-bottom: var(--border-thin) solid var(--color-line);
}

.release-entry__version {
  margin: 0;
}

.release-entry__version a {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums lining-nums;
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  letter-spacing: 0.01em;
  line-height: 1;
  color: var(--color-ink);
  text-decoration: none;
  transition: color var(--rel-transition);
}

.release-entry__version a:hover,
.release-entry__version a:focus-visible {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.release-entry__line {
  margin: 0 0 var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-primary);
}

.release-entry__line::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 1px;
  margin-right: var(--space-1);
  vertical-align: middle;
  background: currentColor;
}

.release-entry--catalog .release-entry__line::before {
  height: 5px;
  background: linear-gradient(
    to bottom,
    currentColor 0 1px,
    transparent 1px 4px,
    currentColor 4px 5px
  );
}

.release-entry--adapt .release-entry__line::before {
  width: 26px;
  height: 3px;
}

.release-entry--entry .release-entry__line::before {
  width: 8px;
  height: 3px;
}

.release-entry__text {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.release-entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  margin: var(--space-2) 0 0;
}

.release-entry__scope {
  padding: 4px 8px;
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-ink);
  background: var(--color-primary-soft);
}

.release-entry__state {
  padding: 3px 8px;
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-ink);
  background: var(--color-highlight);
}

.release-entry__state--pending {
  background: transparent;
  border: var(--border-thin) solid var(--color-accent);
  color: var(--color-accent);
}

.release-entry__state--next {
  background: var(--color-surface-deep);
  color: var(--color-ink-muted);
}

/* ---------- 版本线分工 ---------- */

.page-releases__lines-list {
  margin-top: var(--space-6);
}

.line-row {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4) 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.line-row:last-child {
  border-bottom: var(--border-thin) solid var(--color-line);
}

.line-row__name {
  margin: 0;
  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);
}

.line-row__count {
  margin: var(--space-1) 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums lining-nums;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

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

.line-row__text + .line-row__text {
  margin-top: var(--space-2);
}

.line-row__media {
  margin: var(--space-3) 0 0;
}

.line-row__media .media {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.line-row__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.42) contrast(0.96);
}

/* ---------- 状态说明 ---------- */

.page-releases__states {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.state-row {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-3);
  border-left: 4px solid var(--color-primary);
  background: var(--color-surface-deep);
  transition: background-color var(--rel-transition);
}

.state-row:hover {
  background: var(--color-highlight);
}

.state-row--published {
  border-left-color: var(--color-accent);
}

.state-row--pending {
  border-left-color: var(--color-primary);
}

.state-row--next {
  border-left-color: var(--color-line);
}

.state-row__name {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.state-row__text {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 适配索引 ---------- */

.page-releases__adapt-list {
  margin: var(--space-6) 0 0;
  padding: 0;
  list-style: none;
}

.page-releases__adapt-list li {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-3) 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-releases__adapt-list li:last-child {
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-releases__adapt-version {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums lining-nums;
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-ink);
  text-decoration: none;
  transition: color var(--rel-transition);
}

.page-releases__adapt-version:hover,
.page-releases__adapt-version:focus-visible {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-releases__adapt-text {
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-releases__adapt-scope {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}

.page-releases__adapt-note {
  margin: var(--space-4) 0 0;
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

/* ---------- 跟进方式 ---------- */

.page-releases__follow {
  margin-top: var(--space-4);
  max-width: var(--measure);
}

.page-releases__follow .prose + .prose {
  margin-top: var(--space-3);
}

.page-releases__follow .text-link {
  color: var(--color-primary);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-releases__adapt-list li {
    grid-template-columns: 88px minmax(0, 1fr) 152px;
    align-items: baseline;
    gap: var(--space-3);
  }
}

@media (min-width: 860px) {
  .page-releases__hero {
    padding-top: var(--space-6);
  }

  .page-releases__hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--gutter);
    align-items: end;
    margin-top: var(--space-6);
  }

  .page-releases__lede {
    font-size: var(--text-lg);
  }

  .page-releases__stream-layout {
    grid-template-columns: var(--rel-stream-col) minmax(0, 1fr);
    gap: var(--gutter);
  }

  .page-releases__lines-index {
    position: sticky;
    top: var(--space-4);
  }

  .release-entry {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: var(--gutter);
    padding: var(--space-4) 0;
  }

  .release-entry__version a {
    font-size: var(--text-2xl);
  }

  .line-row {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: var(--gutter);
    padding: var(--space-6) 0;
  }

  .state-row {
    padding: var(--space-4);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-releases * {
    transition: none !important;
  }
}