.page-releases-current {
  --rc-shift: var(--space-3);
  --rc-shift-lg: var(--space-6);
  --rc-card-pad: var(--space-3);
}

/* ---------- 面包屑与页头 ---------- */
.page-releases-current .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  margin: 0;
  padding: var(--space-3) 0 0;
  list-style: none;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-releases-current .crumbs a {
  color: var(--color-ink-soft);
  text-decoration: none;
}

.page-releases-current .crumbs a:hover,
.page-releases-current .crumbs a:focus-visible {
  color: var(--color-primary);
  text-decoration: underline;
}

.page-releases-current .crumbs li + li::before {
  content: "/";
  margin-right: var(--space-1);
  color: var(--color-line);
}

.page-releases-current .crumbs [aria-current="page"] {
  color: var(--color-ink);
}

.page-releases-current .rc-head {
  padding-top: var(--space-4);
  padding-bottom: var(--space-6);
}

.page-releases-current .rc-head .page-title {
  margin: 0 0 var(--space-3);
  max-width: 24ch;
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

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

.page-releases-current .rc-head__note {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-sm);
}

.page-releases-current .rc-head__note a {
  color: var(--color-primary);
}

/* ---------- 通用小件 ---------- */
.page-releases-current .rc-term {
  border-bottom: var(--border-thin) dashed var(--color-line);
  cursor: help;
}

.page-releases-current .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: var(--weight-heading);
}

/* ---------- 口径速览 ---------- */
.page-releases-current .rc-compare {
  margin-top: var(--space-4);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

.page-releases-current .rc-compare__row {
  padding: var(--rc-card-pad);
}

.page-releases-current .rc-compare__row + .rc-compare__row {
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-releases-current .rc-compare__name {
  margin: 0 0 var(--space-1);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
}

.page-releases-current .rc-compare__desc {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-contrast-ink);
  opacity: 0.8;
}

.page-releases-current .rc-compare__line {
  margin: var(--space-2) 0 0;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-contrast-ink);
  opacity: 0.85;
}

.page-releases-current .rc-compare__line .mono {
  color: var(--color-contrast-accent);
}

.page-releases-current .rc-compare .range-band {
  position: relative;
  display: block;
  height: calc(var(--space-8) + var(--space-1));
  margin-top: var(--space-2);
}

.page-releases-current .range-band__fill {
  position: absolute;
  left: 0;
  right: 0;
  top: var(--space-2);
  bottom: var(--space-2);
  background: color-mix(in srgb, var(--color-contrast-accent) 20%, transparent);
  border-radius: var(--radius-sm);
}

.page-releases-current .range-band__edge {
  position: absolute;
  left: 0;
  right: 0;
  height: var(--border-thin);
  background: var(--color-contrast-accent);
}

.page-releases-current .range-band__edge--top {
  top: var(--space-2);
}

.page-releases-current .range-band__edge--bottom {
  bottom: var(--space-2);
}

.page-releases-current .pulse-bars {
  display: flex;
  align-items: flex-end;
  gap: var(--space-1);
  height: calc(var(--space-8) + var(--space-1));
  margin-top: var(--space-2);
}

.page-releases-current .pulse-bar {
  position: relative;
  flex: 1 1 0;
  height: 40%;
  background: color-mix(in srgb, var(--color-contrast-ink) 22%, transparent);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.page-releases-current .pulse-bar:nth-child(1) { height: 30%; }
.page-releases-current .pulse-bar:nth-child(2) { height: 42%; }
.page-releases-current .pulse-bar:nth-child(3) { height: 55%; }
.page-releases-current .pulse-bar:nth-child(4) { height: 66%; }
.page-releases-current .pulse-bar:nth-child(5) { height: 88%; }
.page-releases-current .pulse-bar:nth-child(6) { height: 72%; }

.page-releases-current .pulse-bar__dot {
  position: absolute;
  top: calc(var(--space-1) * -0.75);
  left: 50%;
  width: var(--space-1);
  height: var(--space-1);
  margin-left: calc(var(--space-1) / -2);
  border-radius: var(--radius-pill);
  background: var(--color-contrast-accent);
  opacity: 0;
}

.page-releases-current .pulse-bars.is-in .pulse-bar__dot,
.page-releases-current .pulse-bars[data-visible] .pulse-bar__dot {
  opacity: 1;
  transition: opacity 180ms ease;
}

.page-releases-current .rc-overview__delta {
  margin: var(--space-4) 0 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
  padding-left: var(--space-2);
  border-left: var(--border-thin) solid var(--color-primary);
}

.page-releases-current .rc-segments {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-1) var(--space-2);
  margin: var(--space-3) 0 0;
  padding: 0;
  list-style: none;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-releases-current .rc-segments li {
  display: flex;
  gap: var(--space-1);
  align-items: baseline;
  padding: var(--space-1) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-releases-current .rc-segments .mono {
  color: var(--color-ink-muted);
  font-size: var(--text-xs);
}

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

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

.page-releases-current .media-frame__caption {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

/* ---------- 两套读数各自负责什么 ---------- */
.page-releases-current .rc-role__grid {
  display: grid;
  gap: var(--space-3);
}

.page-releases-current .rc-role__card {
  padding: var(--rc-card-pad);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
}

.page-releases-current .rc-role__tag {
  margin: 0 0 var(--space-1);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}

.page-releases-current .rc-role__title {
  margin: 0 0 var(--space-2);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-releases-current .rc-role__text {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-releases-current .rc-axis {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: var(--space-6) 0 var(--space-4);
  height: var(--space-4);
}

.page-releases-current .rc-axis .time-axis__rail {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: var(--border-thin);
  background: var(--color-line);
}

.page-releases-current .rc-axis .time-axis__tick {
  position: relative;
  width: var(--space-1);
  height: var(--space-1);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  box-shadow: inset 0 0 0 var(--border-thin) var(--color-primary);
}

.page-releases-current .rc-axis .time-axis__tick:nth-child(5) {
  background: var(--color-accent);
  box-shadow: inset 0 0 0 var(--border-thin) var(--color-accent);
}

.page-releases-current .rc-samples {
  display: grid;
  gap: var(--space-2);
}

.page-releases-current .rc-sample {
  padding: var(--space-3);
  background: var(--color-surface);
  border-left: var(--border-thin) solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.page-releases-current .rc-sample__no {
  margin: 0 0 var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

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

/* ---------- 适合什么情况 ---------- */
.page-releases-current .rc-fit__grid {
  display: grid;
  gap: var(--space-4);
}

.page-releases-current .rc-fit__col--alt {
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-releases-current .rc-fit__title {
  margin: 0 0 var(--space-3);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

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

.page-releases-current .rc-fit__list li {
  padding-bottom: var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-releases-current .rc-fit__list strong {
  display: block;
  margin-bottom: var(--space-1);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-releases-current .rc-fit__list span {
  display: block;
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-releases-current .rc-fit__list a {
  color: var(--color-primary);
}

/* ---------- 三步读法 ---------- */
.page-releases-current .rc-steps__nav {
  display: grid;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
}

.page-releases-current .rc-step-btn {
  display: flex;
  gap: var(--space-2);
  align-items: baseline;
  padding: var(--space-2);
  font: inherit;
  font-size: var(--text-sm);
  text-align: left;
  color: var(--color-ink);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  cursor: pointer;
}

.page-releases-current .rc-step-btn .mono {
  color: var(--color-ink-muted);
  font-size: var(--text-xs);
}

.page-releases-current .rc-step-btn[aria-pressed="true"] {
  border-color: var(--color-accent);
  box-shadow: inset var(--space-1) 0 0 color-mix(in srgb, var(--color-accent) 70%, transparent);
}

.page-releases-current .rc-step-btn:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.page-releases-current .rc-steps__layout {
  display: grid;
  gap: var(--space-4);
}

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

.page-releases-current .rc-step {
  padding-left: var(--space-3);
  border-left: var(--border-thin) solid var(--color-line);
}

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

.page-releases-current .rc-step__no {
  margin: 0 0 var(--space-1);
  font-size: var(--text-2xl);
  line-height: 1;
  color: var(--color-ink-muted);
}

.page-releases-current .rc-step__title {
  margin: 0 0 var(--space-2);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

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

.page-releases-current .rc-step__sample {
  margin: var(--space-2) 0 0;
  padding: var(--space-2);
  background: var(--color-highlight);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink);
}

.page-releases-current .rc-step__sample-label {
  display: block;
  margin-bottom: calc(var(--space-1) / 2);
  font-size: var(--text-xs);
  color: var(--color-ink-soft);
}

.page-releases-current .rc-steps__figure {
  margin: 0;
}

/* ---------- 与相邻栏目的分工 ---------- */
.page-releases-current .rc-split__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-3);
}

.page-releases-current .rc-split__row {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
}

.page-releases-current .rc-split__row:nth-child(2) {
  background: var(--color-surface-alt);
}

.page-releases-current .rc-split__tag {
  margin: 0 0 var(--space-1);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}

.page-releases-current .rc-split__title {
  margin: 0 0 var(--space-1);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-releases-current .rc-split__text {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-releases-current .rc-split__link {
  color: var(--color-primary);
  font-size: var(--text-sm);
  justify-self: start;
}

/* ---------- 收束带 ---------- */
.page-releases-current .rc-close__inner {
  display: grid;
  gap: var(--space-4);
}

.page-releases-current .rc-close__title {
  margin: 0 0 var(--space-2);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
}

.page-releases-current .rc-close__text-p {
  margin: 0 0 var(--space-3);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
  opacity: 0.86;
}

.page-releases-current .rc-close__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-releases-current .rc-close__figure {
  margin: 0;
}

.page-releases-current .rc-close__figure .media-frame__caption {
  color: var(--color-contrast-ink);
  opacity: 0.6;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-releases-current .rc-compare__row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: var(--space-4);
    align-items: start;
  }

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

  .page-releases-current .rc-role__grid,
  .page-releases-current .rc-samples,
  .page-releases-current .rc-fit__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-releases-current .rc-fit__col--alt {
    padding-top: 0;
    padding-left: var(--space-4);
    border-top: 0;
    border-left: var(--border-thin) solid var(--color-line);
  }

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

  .page-releases-current .rc-steps__layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: var(--space-6);
    align-items: start;
  }

  .page-releases-current .rc-split__row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-4);
  }

  .page-releases-current .rc-close__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.7fr);
    align-items: center;
    gap: var(--space-6);
  }
}

@media (min-width: 1024px) {
  .page-releases-current .rc-head {
    padding-top: var(--space-6);
    padding-bottom: var(--space-8);
  }

  .page-releases-current .rc-head .page-title {
    font-size: var(--text-3xl);
  }

  .page-releases-current .rc-segments {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-releases-current .rc-shift-1 {
    margin-left: var(--rc-shift-lg);
  }

  .page-releases-current .rc-shift-2 {
    margin-left: calc(var(--rc-shift-lg) * 2);
  }

  .page-releases-current .rc-compare__row {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: var(--space-4);
    padding: var(--space-3) var(--space-4);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-releases-current .pulse-bar__dot {
    transition: none;
  }
}