.page-releases {
  background: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-body);
}

/* ---------- 顶部条 ---------- */
.page-releases .rel-topbar {
  background: var(--color-surface-alt);
}
.page-releases .rel-topbar .container {
  display: flex;
  align-items: center;
  min-height: 56px;
}

/* ---------- 首屏 ---------- */
.page-releases .rel-hero {
  position: relative;
  overflow: hidden;
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}
.page-releases .rel-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.05);
  opacity: 0.4;
}
.page-releases .rel-hero__scrim {
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
}
.page-releases .rel-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: var(--space-8);
  padding-bottom: calc(var(--space-8) + var(--space-4));
}
.page-releases .rel-hero__kicker {
  margin: 0 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.24em;
  color: var(--color-contrast-accent);
}
.page-releases .rel-hero__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-display);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  overflow-wrap: break-word;
}
.page-releases .rel-hero__lead {
  margin: var(--space-4) 0 0;
  max-width: var(--measure);
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}

/* ---------- 编号带 ---------- */
.page-releases .rel-board {
  padding-top: var(--section-y);
  padding-bottom: var(--section-y);
  background: var(--color-surface);
}
.page-releases .rel-board__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}
.page-releases .rel-board__rail {
  min-width: 0;
}
.page-releases .rel-board__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-xl);
  letter-spacing: var(--tracking-heading);
}
.page-releases .rel-board__note {
  margin: 0 0 var(--space-3);
  max-width: var(--measure);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}
.page-releases .rel-board__strip .strip__track {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  padding: var(--space-2) var(--space-1) var(--space-4);
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}
.page-releases .rel-round {
  flex: 0 0 auto;
  scroll-snap-align: start;
  width: 104px;
  min-height: 124px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-2);
  border: var(--border-thick) solid var(--color-ink);
  background: var(--color-surface);
  color: var(--color-ink);
  box-shadow: var(--shadow-1);
}
.page-releases .rel-round__num {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1;
}
.page-releases .rel-round__state {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
}
.page-releases .rel-round.is-current {
  background: var(--color-primary);
  color: var(--color-primary-ink);
}
.page-releases .rel-round.is-current .rel-round__state {
  color: var(--color-primary-ink);
}
.page-releases .rel-round.is-synced {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}
.page-releases .rel-round.is-synced .rel-round__state {
  color: var(--color-contrast-accent);
}
.page-releases .rel-round.is-archived {
  background: var(--color-surface);
  color: var(--color-ink);
  box-shadow: none;
}
.page-releases .rel-round.is-archived .rel-round__state {
  color: var(--color-ink-muted);
}

/* ---------- 规模数字 ---------- */
.page-releases .rel-figures {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-3);
}
.page-releases .rel-figures .figure {
  padding: var(--space-3);
  border: var(--border-thick) solid var(--color-ink);
  background: var(--color-surface-alt);
  box-shadow: var(--shadow-1);
}
.page-releases .rel-figures .figure__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-primary);
}
.page-releases .rel-figures .figure:first-child .figure__num {
  font-size: var(--text-figure);
}
.page-releases .rel-figures .figure__label {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

/* ---------- 最近一批落档 ---------- */
.page-releases .rel-latest {
  position: relative;
  overflow: hidden;
  padding-top: var(--section-y);
  padding-bottom: var(--section-y);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}
.page-releases .rel-latest__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1);
  opacity: 0.3;
}
.page-releases .rel-latest__scrim {
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
}
.page-releases .rel-latest__inner {
  position: relative;
  z-index: 1;
}
.page-releases .rel-latest__head {
  max-width: var(--measure);
  margin-bottom: var(--space-6);
}
.page-releases .rel-latest__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-3xl);
  letter-spacing: var(--tracking-heading);
}
.page-releases .rel-latest__note {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}
.page-releases .rel-sync {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}
.page-releases .rel-sync__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2);
  padding: var(--space-3);
  border: var(--border-thick) solid var(--color-contrast-line);
  border-left-width: calc(var(--border-thick) * 3);
  border-left-color: var(--color-primary);
  background: var(--color-contrast-surface);
}
.page-releases .rel-sync__level {
  display: block;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  letter-spacing: 0.02em;
}
.page-releases .rel-sync__round {
  display: block;
  margin-top: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-contrast-accent);
}
.page-releases .rel-sync__items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-1);
}
.page-releases .rel-sync__items li {
  position: relative;
  padding-left: var(--space-3);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}
.page-releases .rel-sync__items li::before {
  content: "";
  position: absolute;
  left: 0;
  top: calc(var(--space-3) / 2);
  width: calc(var(--space-1) + var(--border-thin));
  height: var(--border-thick);
  background: var(--color-primary);
}

/* ---------- 条目流 ---------- */
.page-releases .rel-flow {
  padding-top: var(--section-y-lg);
  padding-bottom: var(--section-y);
  background: var(--color-surface);
}
.page-releases .rel-flow__head {
  max-width: var(--measure);
}
.page-releases .rel-flow__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-3xl);
  letter-spacing: var(--tracking-heading);
}
.page-releases .rel-flow__desc {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}
.page-releases .rel-filter {
  margin-top: var(--space-4);
}
.page-releases .rel-flow__list {
  margin-top: var(--space-6);
}
.page-releases .rel-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  padding: var(--space-3);
  border: var(--border-thick) solid var(--color-ink);
  border-left-width: calc(var(--border-thick) * 3);
  background: var(--color-surface);
  box-shadow: var(--shadow-1);
  transition: box-shadow 180ms linear, transform 180ms linear;
}
.page-releases .rel-item:hover {
  box-shadow: var(--shadow-2);
  transform: translate(-2px, -2px);
}
.page-releases .rel-item:nth-child(3n) {
  margin-bottom: var(--space-6);
}
.page-releases .rel-item--major {
  border-left-color: var(--color-accent);
  background: color-mix(in srgb, var(--color-highlight) 34%, var(--color-surface));
  margin-bottom: var(--space-6);
}
.page-releases .rel-item__num {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-1);
}
.page-releases .rel-item__round {
  font-family: var(--font-mono);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-primary);
}
.page-releases .rel-item__unit {
  font-size: var(--text-base);
  color: var(--color-ink-muted);
}
.page-releases .rel-item__level {
  display: inline-block;
  padding: calc(var(--space-1) / 4) var(--space-1);
  border: var(--border-thin) solid var(--color-line);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}
.page-releases .rel-item__body {
  min-width: 0;
}
.page-releases .rel-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}
.page-releases .rel-item__time {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}
.page-releases .rel-item__title {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
}
.page-releases .rel-item__text {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 更新类型标签 ---------- */
.page-releases .rel-tag {
  display: inline-block;
  padding: calc(var(--space-1) / 2) var(--space-2);
  border: var(--border-thick) solid var(--color-ink);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  line-height: 1.4;
}
.page-releases .rel-tag--name {
  background: var(--color-primary);
  color: var(--color-primary-ink);
}
.page-releases .rel-tag--review {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}
.page-releases .rel-tag--corner {
  background: var(--color-primary-soft);
  color: var(--color-ink);
}
.page-releases .rel-tag--sched {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

/* ---------- 更新类型说明 ---------- */
.page-releases .rel-types {
  padding-top: var(--section-y);
  padding-bottom: var(--section-y);
  background: var(--color-surface-alt);
}
.page-releases .rel-types__head {
  max-width: var(--measure);
  margin-bottom: var(--space-6);
}
.page-releases .rel-types__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-3xl);
  letter-spacing: var(--tracking-heading);
}
.page-releases .rel-types__desc {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}
.page-releases .rel-types__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}
.page-releases .rel-type {
  padding: var(--space-4);
  border: var(--border-thick) solid var(--color-ink);
  background: var(--color-surface);
  box-shadow: var(--shadow-2);
}
.page-releases .rel-type__idx {
  display: inline-block;
  padding: calc(var(--space-1) / 2) var(--space-2);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  font-family: var(--font-mono);
  font-weight: var(--weight-heading);
  font-size: var(--text-sm);
  letter-spacing: 0.16em;
}
.page-releases .rel-type__name {
  margin: var(--space-3) 0 var(--space-2);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-xl);
  letter-spacing: var(--tracking-heading);
}
.page-releases .rel-type__desc {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}
.page-releases .rel-type__when {
  display: inline-block;
  margin: var(--space-3) 0 0;
  padding: var(--space-1) var(--space-2);
  background: var(--color-surface-deep);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

/* ---------- 勘误入口 ---------- */
.page-releases .rel-fix {
  padding-top: var(--section-y);
  padding-bottom: var(--section-y-lg);
  background: var(--color-surface);
}
.page-releases .rel-fix__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}
.page-releases .rel-fix__title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-3xl);
  letter-spacing: var(--tracking-heading);
}
.page-releases .rel-fix__text {
  margin: 0 0 var(--space-3);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}
.page-releases .rel-fix__channels {
  list-style: none;
  margin: 0 0 var(--space-3);
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border: var(--border-thick) solid var(--color-ink);
  background: var(--color-surface-alt);
  box-shadow: var(--shadow-1);
}
.page-releases .rel-fix__channels li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-1);
  padding: var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-line);
}
.page-releases .rel-fix__channels li:last-child {
  border-bottom: 0;
}
.page-releases .rel-fix__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
}
.page-releases .rel-fix__value {
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--color-ink);
  overflow-wrap: anywhere;
}
.page-releases .rel-fix__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: 0;
}
.page-releases .rel-fix__media {
  min-width: 0;
}

/* ---------- 行内链路 ---------- */
.page-releases .rel-inline-link {
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: var(--border-thick) solid var(--color-accent);
}
.page-releases .rel-inline-link:hover {
  background: var(--color-highlight);
}
.page-releases .rel-inline-link:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-releases .rel-item {
    grid-template-columns: 176px minmax(0, 1fr);
    gap: var(--space-4);
    align-items: start;
    padding: var(--space-4);
  }
  .page-releases .rel-item__num {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1);
    padding-right: var(--space-3);
    border-right: var(--border-thick) solid var(--color-ink);
  }
  .page-releases .rel-sync__row {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: var(--space-4);
  }
  .page-releases .rel-types__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-releases .rel-fix__channels li {
    grid-template-columns: 140px minmax(0, 1fr);
    align-items: baseline;
  }
}

@media (min-width: 1024px) {
  .page-releases .rel-board__inner {
    grid-template-columns: minmax(0, 1fr) 240px;
    align-items: start;
  }
  .page-releases .rel-figures {
    grid-template-columns: minmax(0, 1fr);
    padding-left: var(--space-3);
    border-left: var(--border-thick) solid var(--color-ink);
  }
  .page-releases .rel-types__list {
    column-gap: var(--space-8);
  }
  .page-releases .rel-type:nth-child(2),
  .page-releases .rel-type:nth-child(4) {
    margin-top: var(--space-8);
  }
  .page-releases .rel-fix__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 420px);
    align-items: start;
  }
  .page-releases .rel-flow__head {
    max-width: 62ch;
  }
}
<<<END>>>