.page-releases .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  padding-block: var(--space-3) 0;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

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

.page-releases .breadcrumbs a:hover {
  text-decoration: underline;
}

/* ---------- 首屏 ---------- */

.page-releases .releases-hero {
  position: relative;
  overflow: hidden;
  margin-top: var(--space-4);
  padding-block: var(--space-8);
  border-radius: var(--radius-lg);
}

.page-releases .releases-hero__bg {
  position: absolute;
  inset: 0;
  margin: 0;
  z-index: 0;
}

.page-releases .releases-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-releases .releases-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
}

.page-releases .releases-hero__caption {
  position: absolute;
  right: var(--space-2);
  bottom: var(--space-2);
  z-index: 1;
  max-width: 34ch;
  font-size: var(--text-xs);
  color: var(--color-contrast-ink);
  opacity: 0.68;
}

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

.page-releases .releases-hero__grid {
  display: grid;
  gap: var(--space-6);
}

.page-releases .releases-hero__eyebrow {
  color: var(--color-contrast-accent);
}

.page-releases .releases-hero__title {
  margin: var(--space-2) 0 0;
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
}

.page-releases .releases-hero__lede {
  max-width: var(--measure);
  margin: var(--space-3) 0 0;
  color: var(--color-contrast-ink);
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  opacity: 0.92;
}

.page-releases .releases-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.page-releases .releases-hero__ghost {
  color: var(--color-contrast-ink);
  border-color: var(--color-contrast-line);
}

.page-releases .releases-hero__board {
  align-self: end;
  padding: var(--space-4);
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--color-contrast-surface) 78%, transparent);
}

.page-releases .releases-hero__board-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-contrast-ink);
  opacity: 0.6;
}

.page-releases .releases-hero__round {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
  margin: var(--space-1) 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  line-height: 1.05;
  color: var(--color-contrast-accent);
}

.page-releases .releases-hero__unit {
  font-size: var(--text-xl);
  color: var(--color-contrast-ink);
}

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

.page-releases .releases-hero__fact dt {
  font-size: var(--text-xs);
  color: var(--color-contrast-ink);
  opacity: 0.62;
}

.page-releases .releases-hero__fact dd {
  margin: var(--space-1) 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  color: var(--color-contrast-ink);
}

/* ---------- 分类索引 ---------- */

.page-releases .releases-index__head {
  max-width: var(--measure);
}

.page-releases .releases-index__intro {
  margin: var(--space-2) 0 0;
  color: var(--color-ink-soft);
  line-height: var(--leading-body);
}

.page-releases .releases-index__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-top: var(--space-4);
}

.page-releases .releases-index__tabs .segmented__btn {
  font-size: var(--text-sm);
}

.page-releases .releases-index__panels {
  margin-top: var(--space-4);
  border-top: var(--border-thin) solid var(--color-line);
  padding-top: var(--space-4);
}

.page-releases .releases-panel {
  max-width: var(--measure);
}

.page-releases .releases-panel[tabindex="0"]:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

.page-releases .releases-panel__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin: 0 0 var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-releases .releases-panel__count {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  color: var(--color-accent);
}

.page-releases .releases-panel__text {
  margin: 0;
  color: var(--color-ink);
  line-height: var(--leading-body);
}

.page-releases .releases-panel__figure {
  margin: var(--space-3) 0;
  max-width: 520px;
}

.page-releases .releases-panel__links {
  margin: var(--space-2) 0 0;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-releases .releases-panel__links a {
  color: var(--color-primary);
}

/* ---------- 条目流 ---------- */

.page-releases .releases-stream__head {
  max-width: var(--measure);
}

.page-releases .releases-stream__intro {
  margin: var(--space-2) 0 0;
  color: var(--color-ink-soft);
  line-height: var(--leading-body);
}

.page-releases .releases-stream__jump {
  margin: var(--space-2) 0 0;
  font-size: var(--text-sm);
}

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

.page-releases .releases-stream__jump a:hover {
  text-decoration: underline;
}

.page-releases .releases-stream__grid {
  display: grid;
  gap: var(--space-6);
  margin-top: var(--space-6);
}

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

.page-releases .releases-item {
  padding: var(--space-4) var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-line);
  border-left: var(--border-thin) solid transparent;
}

.page-releases .releases-item:nth-child(even) {
  background: var(--color-surface-alt);
}

.page-releases .releases-item:hover {
  border-left-color: var(--color-accent);
  background: var(--color-primary-soft);
}

.page-releases .releases-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin: 0 0 var(--space-2);
}

.page-releases .releases-item__round {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

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

.page-releases .releases-item__title {
  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 .releases-item__summary {
  margin: var(--space-2) 0 0;
  color: var(--color-ink);
  line-height: var(--leading-body);
  max-width: var(--measure);
}

.page-releases .releases-item__summary .num {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  color: var(--color-accent);
}

.page-releases .releases-item__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2);
  margin: var(--space-3) 0 0;
  padding-top: var(--space-2);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-releases .releases-item__unit {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-releases .releases-item__link {
  margin-left: auto;
  font-size: var(--text-sm);
  color: var(--color-primary);
  text-decoration: none;
}

.page-releases .releases-item__link:hover {
  text-decoration: underline;
}

/* 流中段视觉插入 */

.page-releases .releases-stream__break {
  padding: var(--space-6) var(--space-3);
  background: var(--color-surface-deep);
  border-bottom: var(--border-thin) solid var(--color-line);
  list-style: none;
}

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

.page-releases .releases-phases {
  display: grid;
  gap: var(--space-2);
  margin: var(--space-4) 0 0;
  padding: 0;
  list-style: none;
}

.page-releases .releases-phase {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  border-left: 3px solid var(--color-line);
  background: var(--color-surface);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.page-releases .releases-phase--current {
  border-left-color: var(--color-accent);
}

.page-releases .releases-phase__range {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-releases .releases-phase__name {
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-releases .releases-phase__state {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

/* 侧栏 */

.page-releases .releases-stream__aside {
  display: grid;
  gap: var(--space-3);
  align-content: start;
}

.page-releases .releases-aside__block {
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: var(--color-surface-deep);
  box-shadow: var(--shadow-1);
}

.page-releases .releases-aside__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.page-releases .releases-aside__list,
.page-releases .releases-aside__states,
.page-releases .releases-season__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-releases .releases-aside__list li {
  display: flex;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-1) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
  font-size: var(--text-sm);
}

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

.page-releases .releases-aside__list li a:hover {
  text-decoration: underline;
}

.page-releases .releases-aside__list li .num,
.page-releases .releases-aside__states li .num {
  font-family: var(--font-mono);
  color: var(--color-ink-soft);
}

.page-releases .releases-aside__states li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) 0;
}

.page-releases .releases-season__summary {
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.page-releases .releases-season__list {
  margin-top: var(--space-2);
}

.page-releases .releases-season__list li {
  display: flex;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-1) 0;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-releases .releases-season__list li .num {
  font-family: var(--font-mono);
  color: var(--color-ink);
}

.page-releases .releases-season__note {
  margin: var(--space-2) 0 0;
  font-size: var(--text-xs);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

.page-releases .releases-aside__cta {
  display: grid;
  gap: var(--space-2);
  background: none;
  box-shadow: none;
  padding: 0;
}

/* ---------- 口径闭环 ---------- */

.page-releases .releases-loop__grid {
  display: grid;
  gap: var(--space-6);
}

.page-releases .releases-loop__body {
  max-width: var(--measure);
}

.page-releases .releases-loop__quote {
  margin: var(--space-4) 0;
}

.page-releases .releases-loop__fields {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  align-content: start;
}

.page-releases .releases-loop__field {
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border-left: 3px solid var(--color-primary);
}

.page-releases .releases-loop__field dt {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.page-releases .releases-loop__field dd {
  margin: var(--space-1) 0 0;
  font-size: var(--text-sm);
  color: var(--color-ink);
}

/* ---------- 更新节奏 ---------- */

.page-releases .releases-cadence__eyebrow {
  color: var(--color-contrast-accent);
}

.page-releases .releases-cadence__grid {
  display: grid;
  gap: var(--space-6);
}

.page-releases .releases-cadence h2 {
  color: var(--color-contrast-ink);
  margin: var(--space-2) 0 0;
}

.page-releases .releases-cadence__text {
  max-width: var(--measure);
  margin: var(--space-3) 0 0;
  color: var(--color-contrast-ink);
  line-height: var(--leading-body);
  opacity: 0.9;
}

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

.page-releases .releases-cadence__steps {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-releases .releases-cadence__step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-5, var(--space-3));
  align-items: baseline;
  padding: var(--space-3);
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-releases .releases-cadence__num {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  color: var(--color-contrast-accent);
}

.page-releases .releases-cadence__label {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  color: var(--color-contrast-ink);
}

.page-releases .releases-cadence__desc {
  grid-column: 2;
  margin: var(--space-1) 0 0;
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
  opacity: 0.78;
}

/* ---------- 响应式 ---------- */

@media (min-width: 768px) {
  .page-releases .releases-hero {
    padding-block: var(--space-8) var(--space-6);
  }

  .page-releases .releases-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-releases .releases-item {
    padding-inline: var(--space-4);
  }

  .page-releases .releases-phases {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-releases .releases-phases .releases-phase:nth-child(2) {
    transform: translateY(var(--space-3));
  }

  .page-releases .releases-phases .releases-phase:nth-child(3) {
    transform: translateY(calc(var(--space-3) * 2));
  }

  .page-releases .releases-loop__fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-releases .releases-cadence__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-releases .releases-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: var(--space-8);
    align-items: end;
  }

  .page-releases .releases-stream__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: var(--space-8);
  }

  .page-releases .releases-stream__aside {
    position: sticky;
    top: var(--space-6);
  }

  .page-releases .releases-item__summary {
    max-width: 62ch;
  }

  .page-releases .releases-loop__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-8);
    align-items: start;
  }

  .page-releases .releases-cadence__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--space-8);
    align-items: start;
  }

  .page-releases .releases-cadence__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-releases {
  --space-5: var(--space-8);
}