.page-releases {
  --rel-node: 8px;
  --rel-rail: 20px;
}

.page-releases a {
  color: var(--color-accent);
  text-decoration: none;
}

.page-releases a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

/* ---------- 首屏舞台 ---------- */

.page-releases .stage {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding: 112px 0 0;
}

.page-releases .stage .breadcrumb {
  margin: 0 0 32px;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
  opacity: 0.6;
}

.page-releases .stage .breadcrumb a {
  color: var(--color-contrast-accent);
}

.page-releases .stage .kicker {
  color: var(--color-contrast-ink);
  opacity: 0.72;
}

.page-releases .stage__display {
  margin: 16px 0 0;
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 1.02;
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
}

.page-releases .stage__lede {
  max-width: 52ch;
  margin: 32px 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
  opacity: 0.82;
}

.page-releases .hero-band {
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--color-contrast-line);
  display: grid;
  gap: 40px;
}

.page-releases .hero-figures {
  display: flex;
  flex-wrap: wrap;
  gap: 32px 56px;
}

.page-releases .hero-figure {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 96px;
}

.page-releases .hero-figure__num {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: 400;
  line-height: 0.94;
  letter-spacing: 0.02em;
  color: var(--color-contrast-ink);
}

.page-releases .hero-figure__label {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-contrast-ink);
  opacity: 0.68;
}

.page-releases .hero-band__figure {
  margin: 0;
}

.page-releases .hero-band__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: grayscale(0.7) contrast(0.94);
}

.page-releases .stage__peek {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 20px;
  margin: 56px 0 0;
  padding: 24px 0 32px;
  border-top: 1px solid var(--color-contrast-line);
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
  opacity: 0.78;
}

.page-releases .stage__peek-no {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  color: var(--color-contrast-accent);
}

.page-releases .stage__peek-stage {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  color: var(--color-contrast-ink);
}

.page-releases .stage__peek-text {
  flex: 1 1 240px;
}

/* ---------- 通用文字块 ---------- */

.page-releases .lede {
  max-width: var(--measure);
  margin: 24px 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-releases .prose p {
  max-width: var(--measure);
  margin: 0 0 24px;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

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

.page-releases .pullquote {
  margin: 24px 0;
  padding-left: 24px;
  border-left: 2px solid var(--color-accent);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: 1.46;
  color: var(--color-ink);
}

.page-releases .pullquote::before {
  content: "「";
}

.page-releases .pullquote::after {
  content: "」";
}

.page-releases .meta {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  letter-spacing: 0.02em;
}

.page-releases .num {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

/* ---------- 阶段主干 / 图录 ---------- */

.page-releases .split {
  display: grid;
  gap: 32px;
  margin-top: 8px;
}

.page-releases .figure {
  margin: 0;
}

.page-releases .figure__frame {
  overflow: hidden;
}

.page-releases .figure__frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: grayscale(0.65) contrast(0.95);
}

.page-releases .figure--rail .figure__frame img {
  aspect-ratio: 3 / 2;
}

.page-releases .figure--wide {
  margin-top: 64px;
}

.page-releases .figure--wide .figure__frame img {
  aspect-ratio: 2 / 1;
}

.page-releases .figure__caption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

/* ---------- 时间线 ---------- */

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

.page-releases .stages {
  margin-top: 56px;
}

.page-releases .entries {
  margin-top: 8px;
}

.page-releases .tl__item {
  display: grid;
  grid-template-columns: var(--rel-rail) minmax(0, 1fr);
  column-gap: var(--space-2);
  padding: var(--space-3) 0;
  border-top: 1px solid var(--color-line);
}

.page-releases .tl__item:first-child {
  border-top: 0;
}

.page-releases .tl__mark {
  position: relative;
  display: block;
}

.page-releases .tl__mark::before {
  content: "";
  position: absolute;
  top: 9px;
  left: 0;
  width: var(--rel-node);
  height: var(--rel-node);
  background: var(--color-ink-muted);
}

.page-releases .tl__mark::after {
  content: "";
  position: absolute;
  top: 17px;
  left: 3px;
  bottom: calc(var(--space-3) * -1);
  width: 1px;
  background: var(--color-line);
}

.page-releases .tl__item:last-child .tl__mark::after {
  display: none;
}

.page-releases .tl__item--current .tl__mark::before {
  background: var(--color-accent);
}

.page-releases .tl__item--current .tl__mark::after {
  background: var(--color-accent);
}

.page-releases .tl__item--current .h-block {
  color: var(--color-accent);
}

.page-releases .tl__body .meta {
  margin: 0 0 8px;
}

.page-releases .h-block {
  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 .tl__body > p:not(.meta):not(.pullquote) {
  max-width: var(--measure);
  margin: 16px 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 条目字段说明 ---------- */

.page-releases .spec {
  margin: 40px 0;
  padding: 24px 0;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.page-releases .spec__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-releases .spec__row {
  display: grid;
  gap: 4px;
}

.page-releases .spec__key {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-ink);
}

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

/* ---------- 筛选条 ---------- */

.page-releases .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 40px 0 16px;
}

.page-releases .filter-chip {
  appearance: none;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  color: var(--color-ink-soft);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.6;
  padding: 6px 16px;
  cursor: pointer;
  transition: border-color 0.12s linear, color 0.12s linear;
}

.page-releases .filter-chip:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.page-releases .filter-chip[aria-pressed="true"] {
  background: var(--color-surface);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.page-releases .filter-chip:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.page-releases .filter-count {
  margin: 0 0 24px;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-releases .filter-empty {
  margin: 0 0 24px;
  padding: 16px 0;
  border-top: 1px solid var(--color-line);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

/* ---------- 期次条目 ---------- */

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

.page-releases .entry__no {
  flex: none;
  min-width: 2.4em;
  text-align: right;
  font-family: var(--font-mono);
  font-size: var(--text-base);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}

.page-releases .entry__title {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-releases .entry__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 24px;
  margin: 12px 0 0;
  padding: 0;
  font-size: var(--text-sm);
}

.page-releases .entry__meta > div {
  display: flex;
  gap: 6px;
  margin: 0;
}

.page-releases .entry__meta dt {
  margin: 0;
  color: var(--color-ink-muted);
}

.page-releases .entry__meta dt::after {
  content: "：";
}

.page-releases .entry__meta dd {
  margin: 0;
  color: var(--color-ink-soft);
}

.page-releases .entry__meta .num {
  color: var(--color-ink);
}

.page-releases .entry__meta .tag {
  font-size: var(--text-xs);
}

.page-releases .tag {
  display: inline-block;
  padding: 2px 8px;
  background: var(--color-surface-deep);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  line-height: 1.8;
  color: var(--color-ink-soft);
  white-space: nowrap;
}

/* ---------- 表格 ---------- */

.page-releases .table-scroll {
  margin-top: 40px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-releases .data-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: var(--text-base);
}

.page-releases .data-table caption {
  padding-bottom: 12px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-releases .data-table th,
.page-releases .data-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-top: 1px solid var(--color-line);
  line-height: 1.6;
  color: var(--color-ink);
}

.page-releases .data-table thead th {
  background: var(--color-surface-deep);
  border-top: 0;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-ink);
}

.page-releases .data-table tbody tr:nth-child(even) {
  background: var(--color-surface-alt);
}

.page-releases .data-table__num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

/* ---------- 归档口径 ---------- */

.page-releases .asym {
  display: grid;
  gap: 40px;
  margin-top: 40px;
}

.page-releases .state-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-releases .state-item {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  column-gap: 8px;
  row-gap: 2px;
  align-items: baseline;
}

.page-releases .state-item strong {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-ink);
}

.page-releases .state-item > span:last-child {
  grid-column: 2;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

.page-releases .state-dot {
  width: var(--rel-node);
  height: var(--rel-node);
  background: var(--color-ink-muted);
  align-self: center;
}

.page-releases .state-dot--live {
  background: var(--color-accent);
}

/* ---------- 定位方式与后续链接 ---------- */

.page-releases .ways {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
}

.page-releases .ways__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 28px 0;
  border-top: 1px solid var(--color-line);
}

.page-releases .ways__no {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  line-height: 1;
  color: var(--color-ink-muted);
  letter-spacing: 0.06em;
}

.page-releases .ways__body p {
  max-width: var(--measure);
  margin: 12px 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-releases .ways__body .h-block {
  font-size: var(--text-lg);
}

.page-releases .next-links {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--color-line);
}

.page-releases .next-links .meta {
  margin: 0;
}

.page-releases .next-links__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-releases .next-links__list li {
  font-size: var(--text-base);
  line-height: 1.6;
}

/* ---------- 响应式 ---------- */

@media (min-width: 641px) {
  .page-releases .spec__row {
    grid-template-columns: 9em minmax(0, 1fr);
    column-gap: var(--space-3);
    align-items: baseline;
  }

  .page-releases .entry__head {
    gap: var(--space-3);
  }

  .page-releases .next-links__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 40px;
  }
}

@media (min-width: 861px) {
  .page-releases .stage {
    padding-top: 136px;
  }

  .page-releases .hero-band {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.78fr);
    align-items: start;
    gap: 64px;
  }

  .page-releases .split {
    grid-template-columns: minmax(0, 0.62fr) minmax(0, 0.38fr);
    gap: 64px;
    align-items: start;
  }

  .page-releases .asym {
    grid-template-columns: minmax(0, 0.34fr) minmax(0, 0.66fr);
    gap: 80px;
    align-items: start;
  }

  .page-releases .ways__item {
    grid-template-columns: 4em minmax(0, 1fr);
    gap: 0 40px;
    align-items: start;
    padding: 32px 0;
  }

  .page-releases .tl__item {
    column-gap: var(--space-3);
  }
}

@media (min-width: 961px) {
  .page-releases .ways__no {
    font-size: var(--text-xl);
  }

  .page-releases .ways__body .h-block {
    font-size: var(--text-lg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-releases .filter-chip {
    transition: none;
  }
}