.page-releases {
  --rel-axis-x: 6px;
}

/* ── 首屏 ───────────────────────────────────────────── */

.page-releases .rel-hero {
  position: relative;
  overflow: hidden;
}

.page-releases .rel-hero::before {
  content: "";
  position: absolute;
  z-index: 0;
  left: 44%;
  right: -16%;
  top: 6%;
  bottom: -18%;
  background: linear-gradient(128deg, var(--color-primary) 0%, var(--color-accent) 54%, var(--color-contrast-accent) 100%);
  opacity: 0.22;
  transform: rotate(-7deg);
  border-radius: var(--radius-lg);
  pointer-events: none;
}

.page-releases .rel-hero-inner {
  position: relative;
  z-index: 1;
}

.page-releases .rel-hero .breadcrumb {
  color: color-mix(in srgb, var(--color-contrast-ink) 70%, transparent);
  margin-bottom: var(--space-6);
}

.page-releases .rel-hero .breadcrumb a {
  color: inherit;
}

.page-releases .rel-hero .eyebrow {
  color: var(--color-contrast-accent);
}

.page-releases .rel-title {
  margin: var(--space-3) 0 0;
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: -0.012em;
  color: var(--color-contrast-ink);
  max-width: 12ch;
}

.page-releases .rel-lede {
  margin: var(--space-4) 0 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-scale {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4) var(--space-4);
  margin-top: var(--space-8);
  padding-top: var(--space-4);
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-releases .rel-scale-cell {
  position: relative;
  padding-top: var(--space-2);
}

.page-releases .rel-scale-cell::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 6px;
  background-image: repeating-linear-gradient(90deg, var(--color-contrast-line) 0 1px, transparent 1px 11px);
}

.page-releases .rel-figure {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: 600;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--color-contrast-accent);
}

.page-releases .rel-unit {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-contrast-ink);
}

.page-releases .rel-scale-note {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  letter-spacing: 0.02em;
  color: color-mix(in srgb, var(--color-contrast-ink) 58%, transparent);
}

/* ── 页内坐标索引 ────────────────────────────────────── */

.page-releases .rel-index {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-3);
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-6);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-releases .rel-index a {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
  text-decoration: none;
  padding: 3px 0;
  border-bottom: var(--border-thin) solid transparent;
  transition: color 220ms ease-out, border-color 220ms ease-out;
}

.page-releases .rel-index a:hover,
.page-releases .rel-index a:focus-visible,
.page-releases .rel-index a[aria-current="true"] {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* ── 引导图 ─────────────────────────────────────────── */

.page-releases .rel-lead-figure {
  margin: 0 0 var(--space-8);
}

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

.page-releases .media-caption {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-ink-muted);
}

/* ── 条目流 ─────────────────────────────────────────── */

.page-releases .rel-flow-head {
  margin-bottom: var(--space-6);
}

.page-releases .rel-flow-list {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-releases .rel-flow-list::before {
  content: "";
  position: absolute;
  left: var(--rel-axis-x);
  top: 12px;
  bottom: 12px;
  width: var(--border-thin);
  background: var(--color-line);
}

.page-releases .entry {
  position: relative;
  padding: var(--space-4) 0 var(--space-4) calc(var(--space-4) + var(--space-1));
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-releases .entry:last-child {
  border-bottom: 0;
}

.page-releases .entry-dot {
  position: absolute;
  left: 0;
  top: calc(var(--space-4) + 7px);
  width: 13px;
  height: 13px;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  border: 2px solid var(--cat, var(--color-primary));
  box-sizing: border-box;
}

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

.page-releases .entry-when {
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-ink-muted);
}

.page-releases .entry-title {
  margin: var(--space-3) 0 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1.36;
  letter-spacing: -0.008em;
  color: var(--color-ink);
  max-width: var(--measure);
}

.page-releases .entry-text {
  margin: var(--space-2) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.page-releases .entry-facts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  margin: var(--space-3) 0 0;
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-alt);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
}

.page-releases .entry-facts div {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
}

.page-releases .entry-facts dt {
  color: var(--color-ink-muted);
  letter-spacing: 0.04em;
}

.page-releases .entry-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--color-ink);
}

.page-releases .entry-link {
  margin: var(--space-3) 0 0;
  font-size: var(--text-sm);
}

/* ── 类别标签 ───────────────────────────────────────── */

.page-releases .cat {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 2px var(--space-2) 2px 10px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.7;
  letter-spacing: 0.06em;
  color: var(--color-ink-soft);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-pill);
  text-decoration: none;
}

.page-releases a.cat:hover,
.page-releases a.cat:focus-visible {
  border-color: var(--color-focus);
  color: var(--color-ink);
}

.page-releases .cat i {
  display: block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cat, var(--color-primary));
}

.page-releases .cat--schedule,
.page-releases .entry--schedule {
  --cat: var(--color-primary);
}

.page-releases .cat--field,
.page-releases .entry--field {
  --cat: var(--color-accent);
}

.page-releases .cat--roster,
.page-releases .entry--roster {
  --cat: var(--color-contrast-accent);
}

.page-releases .cat--device,
.page-releases .entry--device {
  --cat: color-mix(in srgb, var(--color-primary) 45%, var(--color-accent));
}

.page-releases .cat--fix,
.page-releases .entry--fix {
  --cat: color-mix(in srgb, var(--color-ink-soft) 62%, var(--color-primary));
}

/* ── 五类说明 ───────────────────────────────────────── */

.page-releases .rel-cats-grid {
  align-items: start;
}

.page-releases .cat-rows {
  margin-top: var(--space-4);
}

.page-releases .cat-row {
  padding: var(--space-3) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-releases .cat-row:first-child {
  padding-top: 0;
}

.page-releases .cat-row-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.page-releases .cat-row-count {
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
  font-variant-numeric: tabular-nums;
}

.page-releases .cat-row-title {
  margin: var(--space-2) 0 0;
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  line-height: 1.45;
  color: var(--color-ink);
}

.page-releases .cat-row-text {
  margin: var(--space-2) 0 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.page-releases .rel-cats-aside {
  margin-top: var(--space-6);
}

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

.page-releases .rel-note {
  margin-top: var(--space-4);
  padding: var(--space-3);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
}

.page-releases .rel-note h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-releases .rel-note p {
  margin: var(--space-2) 0 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-releases .rel-note p:last-child {
  margin-top: var(--space-3);
}

/* ── 时间线 ─────────────────────────────────────────── */

.page-releases .rel-lede-dark {
  color: color-mix(in srgb, var(--color-contrast-ink) 80%, transparent);
  max-width: var(--measure);
  margin-bottom: var(--space-6);
}

.page-releases .tl-wrap {
  position: relative;
  padding-left: 44px;
}

.page-releases .tl-wrap::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 8px;
  bottom: 8px;
  width: var(--border-thin);
  background: linear-gradient(180deg, var(--color-contrast-line) 0%, var(--color-contrast-line) 84%, transparent 100%);
}

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

.page-releases .tl-item {
  position: relative;
  padding-bottom: var(--space-6);
}

.page-releases .tl-item:last-child {
  padding-bottom: 0;
}

.page-releases .tl-mark {
  position: absolute;
  left: -44px;
  top: 0;
  display: block;
}

.page-releases .tl-mark-ring {
  fill: none;
  stroke: var(--color-contrast-accent);
  stroke-width: 1.5;
}

.page-releases .tl-mark-core {
  fill: var(--color-contrast-accent);
}

.page-releases .tl-when {
  display: block;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-contrast-accent);
}

.page-releases .tl-title {
  margin: var(--space-2) 0 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1.35;
  color: var(--color-contrast-ink);
}

.page-releases .tl-text {
  margin: var(--space-2) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 76%, transparent);
  max-width: var(--measure);
}

.page-releases .rel-timeline-figure {
  margin: var(--space-8) 0 0;
  border-color: var(--color-contrast-line);
  background: color-mix(in srgb, var(--color-contrast-ink) 6%, transparent);
}

.page-releases .rel-timeline-figure .media-caption {
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, transparent);
  padding: 0 var(--space-2) var(--space-2);
}

/* ── 赛季阶段 ───────────────────────────────────────── */

.page-releases .season-list {
  margin-top: var(--space-6);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-releases .season {
  border-bottom: var(--border-thin) solid var(--color-line);
}

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

.page-releases .season-summary::-webkit-details-marker {
  display: none;
}

.page-releases .season-summary::after {
  content: "＋";
  grid-column: 2;
  justify-self: end;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-releases .season[open] .season-summary::after {
  content: "－";
  color: var(--color-accent);
}

.page-releases .season-index {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-accent);
}

.page-releases .season-name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1.35;
  color: var(--color-ink);
}

.page-releases .season-meta {
  display: none;
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}

.page-releases .season-body {
  padding: 0 0 var(--space-4);
}

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

.page-releases .season-facts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  margin: var(--space-3) 0 0;
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-alt);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
}

.page-releases .season-facts div {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
}

.page-releases .season-facts dt {
  color: var(--color-ink-muted);
  letter-spacing: 0.04em;
}

.page-releases .season-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--color-ink);
}

/* ── 阅读入口与勘误 ─────────────────────────────────── */

.page-releases .rel-tail-grid {
  align-items: start;
}

.page-releases .entry-routes {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-releases .entry-routes li {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-3) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-releases .entry-routes a {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-accent);
  justify-self: start;
  padding-bottom: 1px;
}

.page-releases .entry-routes a:hover,
.page-releases .entry-routes a:focus-visible {
  color: var(--color-accent);
}

.page-releases .entry-routes span {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-muted);
}

.page-releases .rel-tail-side {
  margin-top: var(--space-6);
  padding: var(--space-3) var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
}

.page-releases .rel-side-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1.35;
  color: var(--color-ink);
}

.page-releases .rel-tail-side p {
  margin: var(--space-3) 0 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ── 响应式 ─────────────────────────────────────────── */

@media (min-width: 720px) {
  .page-releases .rel-scale {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-releases .rel-index {
    gap: var(--space-2) var(--space-4);
  }

  .page-releases .season-summary {
    grid-template-columns: auto 1fr auto auto;
  }

  .page-releases .season-summary::after {
    grid-column: 4;
  }

  .page-releases .season-meta {
    display: block;
  }

  .page-releases .entry-routes li {
    grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
    align-items: baseline;
    gap: var(--space-3);
  }
}

@media (min-width: 1024px) {
  .page-releases .rel-cats-aside {
    margin-top: var(--space-8);
  }

  .page-releases .rel-tail-side {
    margin-top: var(--space-8);
  }

  .page-releases .rel-timeline-figure {
    max-width: 900px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-releases .rel-index a {
    transition: none;
  }
}