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

/* ---------- 首屏：时间轴底座 + 四组数字 ---------- */

.page-releases .rel-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-releases .rel-hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.page-releases .rel-hero-scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--overlay-scrim);
  pointer-events: none;
}

.page-releases .rel-hero-grid {
  position: relative;
  display: grid;
  gap: var(--space-6);
  padding-block: var(--space-8);
}

.page-releases .rel-axis {
  display: none;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-releases .rel-axis-item {
  position: relative;
  padding-block: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: color-mix(in srgb, var(--color-contrast-ink) 58%, transparent);
}

.page-releases .rel-axis-item.is-now {
  color: var(--color-contrast-surface);
  background: var(--color-contrast-accent);
  padding-inline: var(--space-1);
}

.page-releases .rel-hero-main {
  display: grid;
  gap: var(--space-3);
  align-content: start;
  min-width: 0;
}

.page-releases .rel-hero-crumbs {
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, transparent);
}

.page-releases .rel-hero-crumbs a {
  color: var(--color-contrast-ink);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-releases .rel-hero-crumbs a:hover {
  border-bottom-color: var(--color-contrast-accent);
}

.page-releases .rel-hero-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  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: 1;
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
}

.page-releases .rel-hero-lead {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 82%, transparent);
}

.page-releases .rel-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-releases .rel-stat {
  display: grid;
  gap: var(--space-1);
  align-content: start;
  min-width: 0;
}

.page-releases .rel-stat-num {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  line-height: 0.94;
  letter-spacing: -0.02em;
  color: var(--color-contrast-accent);
}

.page-releases .rel-stat-unit {
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
}

.page-releases .rel-stat-cap {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: color-mix(in srgb, var(--color-contrast-ink) 52%, transparent);
}

@media (min-width: 900px) {
  .page-releases .rel-hero-grid {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: var(--space-8);
    padding-block: var(--section-y-lg);
  }

  .page-releases .rel-axis {
    display: block;
    border-left: var(--border-thin) solid var(--color-contrast-line);
    padding-left: var(--space-3);
  }

  .page-releases .rel-axis-item::before {
    content: "";
    position: absolute;
    left: calc(var(--space-3) * -1 - 1px);
    top: 50%;
    width: var(--space-2);
    height: var(--border-thin);
    background: var(--color-contrast-line);
  }
}

@media (min-width: 760px) {
  .page-releases .rel-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 区块头 ---------- */

.page-releases .rel-block {
  position: relative;
}

.page-releases .rel-head {
  display: grid;
  gap: var(--space-2);
  max-width: var(--measure);
  margin-bottom: var(--space-6);
}

.page-releases .rel-head h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-3xl);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-releases .rel-head p {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 五类动态 ---------- */

.page-releases .rel-cats {
  display: grid;
}

.page-releases .rel-cat {
  display: grid;
  gap: var(--space-2);
  padding-block: var(--space-4);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-releases .rel-cat:last-of-type {
  border-bottom: var(--border-thin) solid var(--color-line);
}

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

.page-releases .rel-cat-no {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  line-height: 1;
  color: var(--color-primary);
}

.page-releases .rel-cat-id h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-releases .rel-cat-body {
  display: grid;
  gap: var(--space-2);
  min-width: 0;
}

.page-releases .rel-cat-body p {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-releases .rel-cat-meta {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--color-ink-muted);
  padding-top: var(--space-1);
  border-top: var(--border-thin) dotted var(--color-line);
}

.page-releases .rel-cat-figure {
  margin: var(--space-4) 0;
}

@media (min-width: 860px) {
  .page-releases .rel-cat {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: var(--space-6);
    padding-block: var(--space-6);
  }

  .page-releases .rel-cat:nth-of-type(even) {
    margin-left: calc(var(--gutter) * 2);
  }

  .page-releases .rel-cat-figure {
    margin: var(--space-6) 0 var(--space-6) calc(var(--gutter) * 4);
  }
}

/* ---------- 动态时间流 ---------- */

.page-releases .rel-stream {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-releases .rel-entry {
  display: grid;
  gap: var(--space-2);
  padding-block: var(--space-4);
  border-bottom: var(--border-thin) dotted var(--color-line);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.page-releases .rel-entry:hover,
.page-releases .rel-entry:focus-within {
  border-bottom-color: var(--color-primary);
  transform: translateX(2px);
}

.page-releases .rel-entry-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.page-releases .rel-entry-no {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
}

.page-releases .rel-entry-when {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-releases .rel-tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  padding: 2px var(--space-1);
  border: var(--border-thin) solid transparent;
  border-radius: var(--radius-sm);
  background: var(--color-surface-alt);
  color: var(--color-ink);
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-releases .rel-tag--data {
  background: var(--color-primary);
  color: var(--color-primary-ink);
}

.page-releases .rel-tag--replay {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.page-releases .rel-tag--youth {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-releases .rel-tag--transfer {
  background: var(--color-primary-soft);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.page-releases .rel-tag--app {
  background: var(--color-highlight);
  color: var(--color-ink);
  border-color: var(--color-accent);
}

.page-releases .rel-entry:hover .rel-tag,
.page-releases .rel-entry:focus-within .rel-tag {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-color: var(--color-contrast-surface);
}

.page-releases .rel-entry-title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

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

@media (min-width: 860px) {
  .page-releases .rel-entry:nth-child(n + 10) {
    padding-block: var(--space-6);
  }

  .page-releases .rel-entry:nth-child(n + 10) .rel-entry-title {
    font-size: var(--text-xl);
  }

  .page-releases .rel-entry:nth-child(n + 10) .rel-entry-desc {
    line-height: calc(var(--leading-body) + 0.14);
  }

  .page-releases .rel-entry:nth-child(n + 14) {
    padding-block: var(--space-8);
  }
}

/* ---------- 单条拆解 ---------- */

.page-releases .rel-anatomy {
  display: grid;
  gap: var(--space-6);
  padding-top: var(--space-6);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-releases .rel-sample {
  display: grid;
  gap: var(--space-2);
  align-content: start;
  padding: var(--space-4);
  background: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
  border-top: var(--border-thin) solid var(--color-primary);
}

.page-releases .rel-sample-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  color: var(--color-primary);
}

.page-releases .rel-sample h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-releases .rel-sample p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-releases .rel-cells {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-releases .rel-cell {
  display: grid;
  gap: var(--space-1);
  padding-block: var(--space-3);
  border-top: var(--border-thin) dotted var(--color-line);
}

.page-releases .rel-cell-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-accent);
}

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

@media (min-width: 900px) {
  .page-releases .rel-anatomy {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr);
    gap: var(--space-8);
  }
}

/* ---------- 去向 ---------- */

.page-releases .rel-routes {
  display: grid;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-releases .rel-route {
  display: grid;
  gap: var(--space-2);
  align-content: start;
  padding: var(--space-4);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-top: var(--border-thin) solid var(--color-primary);
  transition: border-color 0.18s ease;
}

.page-releases .rel-route:nth-child(even) {
  border-top-color: var(--color-accent);
}

.page-releases .rel-route:hover,
.page-releases .rel-route:focus-within {
  border-color: var(--color-primary);
}

.page-releases .rel-route-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-ink-muted);
}

.page-releases .rel-route h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-releases .rel-route p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-releases .rel-route-link {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-primary);
}

.page-releases .rel-route-link:hover {
  color: var(--color-focus);
  border-bottom-color: var(--color-focus);
}

.page-releases .rel-route-link:focus-visible,
.page-releases .rel-hero-crumbs a:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.page-releases .rel-outro {
  margin: var(--space-8) 0 0;
  max-width: var(--measure);
  padding-top: var(--space-4);
  border-top: var(--border-thin) dotted var(--color-line);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-releases .rel-outro a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-primary);
}

.page-releases .rel-outro a:hover {
  color: var(--color-focus);
  border-bottom-color: var(--color-focus);
}

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

@media (min-width: 760px) {
  .page-releases .rel-routes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1120px) {
  .page-releases .rel-routes {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 降级与动效 ---------- */

.page-releases img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

  .page-releases .rel-entry:hover,
  .page-releases .rel-entry:focus-within {
    transform: none;
  }
}
<<<END>>>