.page-releases {
  --rl-rail-h: 134px;
  --rl-dot-y: 88px;
  --rl-tint: color-mix(in srgb, var(--color-primary) 28%, transparent);
  --rl-dim: color-mix(in srgb, var(--color-contrast-ink) 62%, transparent);
}

/* ---------- 首屏 ---------- */
.page-releases .rl-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding-block: calc(var(--space-8) * 1.3) var(--space-8);
}

.page-releases .rl-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.08);
  opacity: 0.46;
}

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

.page-releases .rl-hero__glow {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    114deg,
    color-mix(in srgb, var(--color-primary) 48%, transparent) 0%,
    transparent 60%
  );
  pointer-events: none;
}

.page-releases .rl-hero__inner {
  position: relative;
  z-index: 2;
}

.page-releases .rl-hero__crumbs {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0 0 var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--rl-dim);
}

.page-releases .rl-hero__crumbs a {
  color: color-mix(in srgb, var(--color-contrast-ink) 82%, transparent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-contrast-ink) 32%, transparent);
}

.page-releases .rl-hero__crumbs a:hover {
  border-bottom-color: var(--color-contrast-accent);
}

.page-releases .rl-hero__title {
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 1.06;
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
  margin: 0 0 var(--space-4);
  max-width: 10em;
}

.page-releases .rl-hero__lede {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 76%, transparent);
  max-width: 60ch;
  margin: 0 0 var(--space-6);
}

.page-releases .rl-scale {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  padding-top: var(--space-3);
  border-top: var(--border-thin) dashed var(--color-contrast-line);
}

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

.page-releases .rl-scale__item:nth-child(2) .rl-scale__n {
  color: var(--color-contrast-accent);
}

.page-releases .rl-scale__u {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--rl-dim);
}

/* ---------- 吸顶赛季轨 ---------- */
.page-releases .rl-rail {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: var(--color-surface);
  border-bottom: var(--border-thin) solid var(--color-line);
  box-shadow: var(--shadow-1);
}

.page-releases .rl-rail__inner {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.page-releases .rl-rail__inner::-webkit-scrollbar {
  display: none;
}

.page-releases .rl-rail__list {
  position: relative;
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  height: var(--rl-rail-h);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-releases .rl-rail__list::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: var(--rl-dot-y);
  border-top: var(--border-thin) dashed var(--color-line);
  pointer-events: none;
}

.page-releases .rl-rail__item {
  position: relative;
}

.page-releases .rl-rail__link {
  position: absolute;
  inset: 0;
  display: block;
  text-decoration: none;
  color: var(--color-ink-soft);
  border-radius: var(--radius-sm);
}

.page-releases .rl-rail__link:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 2px;
}

.page-releases .rl-rail__cap {
  position: absolute;
  left: 50%;
  bottom: calc(var(--rl-rail-h) - var(--rl-dot-y) + 12px);
  transform: translateX(-50%);
  writing-mode: vertical-rl;
  text-orientation: upright;
  white-space: nowrap;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  letter-spacing: 0.06em;
  color: inherit;
  transition: color 200ms ease;
}

.page-releases .rl-rail__dot {
  position: absolute;
  left: 50%;
  top: var(--rl-dot-y);
  width: 9px;
  height: 9px;
  transform: translate(-50%, -50%);
  border-radius: var(--radius-pill);
  background-color: var(--color-surface);
  border: var(--border-thick) solid var(--color-line);
  transition: background-color 200ms ease, border-color 200ms ease;
}

.page-releases .rl-rail__yr {
  position: absolute;
  left: 50%;
  top: calc(var(--rl-dot-y) + 14px);
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
  color: var(--color-ink-muted);
}

.page-releases .rl-rail__link:hover .rl-rail__cap,
.page-releases .rl-rail__link:focus-visible .rl-rail__cap {
  color: var(--color-primary);
}

.page-releases .rl-rail__link:hover .rl-rail__dot,
.page-releases .rl-rail__link:focus-visible .rl-rail__dot {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

/* ---------- 阶段内容 ---------- */
.page-releases .rl-phases {
  padding-block: var(--space-6) 0;
}

.page-releases .rl-phase {
  display: grid;
  gap: var(--space-3);
  padding-block: var(--space-6);
  border-top: var(--border-thin) dashed var(--color-line);
  scroll-margin-top: calc(var(--rl-rail-h) + var(--space-4));
}

.page-releases .rl-phase:first-child {
  border-top: 0;
  padding-top: var(--space-2);
}

.page-releases .rl-phase__meta {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-ink-muted);
}

.page-releases .rl-phase__idx {
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  letter-spacing: 0;
  color: var(--color-primary);
}

.page-releases .rl-phase__season {
  font-variant-numeric: tabular-nums;
}

.page-releases .rl-phase__title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-2);
  max-width: 24ch;
}

.page-releases .rl-phase__text {
  margin: 0;
  max-width: 62ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-releases .rl-items {
  display: grid;
  gap: var(--space-3);
  margin: var(--space-4) 0 0;
}

.page-releases .rl-item {
  padding-top: var(--space-2);
  border-top: var(--border-thin) dotted var(--color-line);
}

.page-releases .rl-item__name {
  display: block;
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-releases .rl-item__desc {
  margin: var(--space-1) 0 0;
  max-width: 58ch;
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--color-ink-soft);
}

.page-releases .rl-delta {
  font-family: var(--font-mono);
  font-size: 1.08em;
  font-weight: var(--weight-heading);
  font-variant-numeric: tabular-nums;
  color: var(--color-accent);
}

.page-releases .rl-phase__media {
  position: relative;
  overflow: hidden;
  margin: var(--space-4) 0 0;
  max-width: 620px;
  border-radius: var(--radius-md);
  border: var(--border-thin) solid var(--color-line);
}

.page-releases .rl-phase__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: color-mix(in srgb, var(--color-primary) 30%, transparent);
  mix-blend-mode: multiply;
  pointer-events: none;
}

.page-releases .rl-phase__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  filter: grayscale(1) contrast(1.06);
}

/* ---------- 收尾出口 ---------- */
.page-releases .rl-next {
  margin-top: var(--space-8);
  padding-block: var(--space-8);
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-top: var(--border-thick) solid var(--color-primary);
}

.page-releases .rl-next__inner {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-releases .rl-next__eyebrow {
  margin: 0 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.22em;
  color: var(--rl-dim);
}

.page-releases .rl-next__title {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
  margin: 0 0 var(--space-3);
  max-width: 22ch;
}

.page-releases .rl-next__text {
  margin: 0 0 var(--space-4);
  max-width: 58ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 76%, transparent);
}

.page-releases .rl-next__cta {
  margin: 0 0 var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: var(--border-thin) dashed var(--color-contrast-line);
}

.page-releases .rl-next__foot {
  margin: 0;
  max-width: 66ch;
  font-size: var(--text-sm);
  line-height: 1.9;
  color: color-mix(in srgb, var(--color-contrast-ink) 68%, transparent);
}

.page-releases .rl-next__foot a {
  color: var(--color-contrast-ink);
  text-decoration: none;
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-contrast-ink) 42%, transparent);
}

.page-releases .rl-next__foot a:hover {
  border-bottom-color: var(--color-contrast-accent);
  color: var(--color-contrast-accent);
}

.page-releases .rl-note {
  margin: var(--space-4) 0 0;
  font-size: var(--text-xs);
  line-height: 1.7;
  color: color-mix(in srgb, var(--color-contrast-ink) 48%, transparent);
}

/* ---------- 响应式 ---------- */
@media (max-width: 719px) {
  .page-releases .rl-scale {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-4);
  }

  .page-releases .rl-scale__n {
    font-size: var(--text-2xl);
  }

  .page-releases .rl-hero__title {
    max-width: none;
  }

  .page-releases .rl-rail__list {
    grid-template-columns: repeat(7, minmax(52px, 1fr));
  }

  .page-releases .rl-rail__cap {
    font-size: var(--text-xs);
  }
}

@media (min-width: 860px) {
  .page-releases .rl-phase {
    grid-template-columns: minmax(0, 190px) minmax(0, 1fr);
    gap: var(--space-6);
    padding-block: var(--space-8);
  }

  .page-releases .rl-phase__title {
    font-size: var(--text-3xl);
  }

  .page-releases .rl-items {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3) var(--space-6);
  }
}

@media (min-width: 1080px) {
  .page-releases .rl-hero {
    padding-block: calc(var(--space-8) * 1.9) var(--space-8);
  }

  .page-releases .rl-phase__media {
    margin-top: var(--space-6);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-releases .rl-rail__cap,
  .page-releases .rl-rail__dot {
    transition: none;
  }
}
<<<END>>>