.page-releases-current {
  background: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
}

.page-releases-current .rc-crumb {
  padding-top: var(--space-4);
  padding-bottom: var(--space-2);
}

.page-releases-current .rc-inline-link {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-primary-soft);
  transition: border-color 200ms ease, color 200ms ease;
}

.page-releases-current .rc-inline-link:hover,
.page-releases-current .rc-inline-link:focus-visible {
  color: var(--color-focus);
  border-bottom-color: var(--color-focus);
}

.page-releases-current a:focus-visible,
.page-releases-current summary:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

/* ---------- 首屏定位 ---------- */

.page-releases-current .rc-intro {
  padding-top: var(--space-4);
  padding-bottom: var(--section-y);
}

.page-releases-current .rc-intro__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
  align-items: start;
}

.page-releases-current .rc-intro__text {
  position: relative;
  padding-left: var(--space-3);
}

.page-releases-current .rc-intro__text::before {
  content: "";
  position: absolute;
  left: 0;
  top: var(--space-1);
  bottom: var(--space-1);
  width: 2px;
  background: linear-gradient(180deg, var(--color-accent) 0%, var(--color-primary) 45%, transparent 96%);
}

.page-releases-current .rc-title {
  margin: var(--space-2) 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-releases-current .rc-lede {
  margin: 0 0 var(--space-4);
  font-size: var(--text-lg);
  line-height: 1.45;
  font-weight: 500;
  color: var(--color-ink);
  max-width: var(--measure);
}

.page-releases-current .rc-prose p {
  margin: 0 0 var(--space-3);
  max-width: var(--measure);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-releases-current .rc-prose p:last-child {
  margin-bottom: 0;
}

.page-releases-current .rc-media {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--color-surface-deep);
}

.page-releases-current .rc-media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-releases-current .rc-media--intro {
  aspect-ratio: 3 / 2;
}

.page-releases-current .rc-media--diff {
  aspect-ratio: 1000 / 520;
}

.page-releases-current .rc-media--cond {
  aspect-ratio: 800 / 520;
}

.page-releases-current .rc-figcap {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-ink-muted);
}

/* ---------- 区块头 ---------- */

.page-releases-current .rc-headnote {
  margin: var(--space-2) 0 0;
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
}

/* ---------- 条目清单 ---------- */

.page-releases-current .rc-lists {
  padding-bottom: var(--section-y);
}

.page-releases-current .rc-lists__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-8);
  margin-top: var(--space-4);
}

.page-releases-current .rc-group__title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-releases-current .rc-group--edge .rc-group__title {
  color: var(--color-accent);
}

.page-releases-current .rc-group__items {
  display: grid;
  gap: var(--space-2);
}

.page-releases-current .rc-item {
  border-radius: var(--radius-md);
  background: var(--color-surface-alt);
  overflow: hidden;
}

.page-releases-current .rc-item--edge {
  background: var(--color-highlight);
}

.page-releases-current .rc-item__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: var(--space-2);
  align-items: baseline;
  padding: var(--space-3);
  cursor: pointer;
  list-style: none;
}

.page-releases-current .rc-item__head::-webkit-details-marker {
  display: none;
}

.page-releases-current .rc-item__idx {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  letter-spacing: 0.08em;
}

.page-releases-current .rc-item--edge .rc-item__idx {
  color: var(--color-accent);
}

.page-releases-current .rc-item__name {
  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-releases-current .rc-item__hint {
  font-size: var(--text-xs);
  color: var(--color-primary);
  white-space: nowrap;
}

.page-releases-current .rc-item__hint-tag--close {
  display: none;
}

.page-releases-current .rc-item[open] .rc-item__hint-tag--open {
  display: none;
}

.page-releases-current .rc-item[open] .rc-item__hint-tag--close {
  display: inline;
}

.page-releases-current .rc-item[open] .rc-item__name {
  color: var(--color-primary);
}

.page-releases-current .rc-item--edge[open] .rc-item__name {
  color: var(--color-focus);
}

.page-releases-current .rc-item__body {
  padding: 0 var(--space-3) var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-releases-current .rc-item--edge .rc-item__body {
  border-top-color: var(--color-accent);
}

.page-releases-current .rc-item__lead {
  margin: var(--space-3) 0 var(--space-2);
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--color-ink-soft);
}

.page-releases-current .rc-fields {
  margin: 0;
  display: grid;
  gap: var(--space-2);
}

.page-releases-current .rc-field {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-1);
}

.page-releases-current .rc-field dt {
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}

.page-releases-current .rc-field dd {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--color-ink);
}

/* ---------- 差异对照 ---------- */

.page-releases-current .rc-diff-section {
  padding-bottom: var(--section-y);
}

.page-releases-current .rc-diff__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-4);
}

.page-releases-current .rc-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-releases-current .rc-diff {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.page-releases-current .rc-diff th,
.page-releases-current .rc-diff td {
  padding: var(--space-2) var(--space-3);
  text-align: left;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-releases-current .rc-diff thead th {
  background: var(--color-surface-deep);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-soft);
  font-weight: var(--weight-body);
}

.page-releases-current .rc-diff tbody th {
  font-weight: 500;
  color: var(--color-ink);
}

.page-releases-current .rc-diff td {
  color: var(--color-ink-soft);
}

.page-releases-current .rc-diff .num {
  text-align: right;
  white-space: nowrap;
}

.page-releases-current .rc-diff tbody tr.is-key th,
.page-releases-current .rc-diff tbody tr.is-key td {
  background: var(--color-highlight);
  color: var(--color-ink);
  border-bottom-color: var(--color-accent);
}

.page-releases-current .rc-diff__note p {
  margin: var(--space-3) 0 0;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

/* ---------- 适用条件 ---------- */

.page-releases-current .rc-cond {
  padding-top: var(--space-6);
  padding-bottom: var(--section-y);
  background: var(--color-surface-alt);
}

.page-releases-current .rc-cond__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-4);
  align-items: start;
}

.page-releases-current .rc-cond__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-4);
  counter-reset: rc-cond;
}

.page-releases-current .rc-cond__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3);
  padding-bottom: var(--space-4);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-releases-current .rc-cond__item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-releases-current .rc-cond__idx {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-primary);
  padding-top: 4px;
}

.page-releases-current .rc-cond__name {
  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-releases-current .rc-cond__body p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

/* ---------- 相邻入口 ---------- */

.page-releases-current .rc-next {
  padding-top: var(--space-4);
  padding-bottom: var(--section-y-lg);
}

.page-releases-current .rc-next .rule-scale {
  margin-bottom: var(--space-6);
}

.page-releases-current .rc-next__list {
  margin: var(--space-4) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-1);
}

.page-releases-current .rc-next__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-1) var(--space-3);
  padding: var(--space-3) 0;
  text-decoration: none;
  border-top: var(--border-thin) solid var(--color-line);
  transition: background-color 200ms ease, padding-left 200ms ease;
}

.page-releases-current .rc-next__item:last-child .rc-next__link {
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-releases-current .rc-next__link:hover,
.page-releases-current .rc-next__link:focus-visible {
  background: var(--color-primary-soft);
  padding-left: var(--space-2);
}

.page-releases-current .rc-next__idx {
  grid-row: 1 / span 2;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-accent);
  padding-top: 5px;
}

.page-releases-current .rc-next__name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-releases-current .rc-next__desc {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
}

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .page-releases-current .rc-intro {
    padding-bottom: var(--section-y-lg);
  }

  .page-releases-current .rc-lists__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: var(--space-6);
  }

  .page-releases-current .rc-field {
    grid-template-columns: 6.5em minmax(0, 1fr);
    align-items: baseline;
    gap: var(--space-2);
  }

  .page-releases-current .rc-next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: var(--space-6);
  }

  .page-releases-current .rc-next__item:nth-child(2) .rc-next__link {
    border-top: var(--border-thin) solid var(--color-line);
  }
}

@media (min-width: 1024px) {
  .page-releases-current .rc-intro__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: var(--space-8);
  }

  .page-releases-current .rc-title {
    font-size: var(--text-4xl);
  }

  .page-releases-current .rc-diff__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: var(--space-8);
  }

  .page-releases-current .rc-cond__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.66fr);
    gap: var(--space-8);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-releases-current .rc-inline-link,
  .page-releases-current .rc-next__link {
    transition: none;
  }
}
</main>