.page-news {
  --news-rail: 168px;
  --news-glow: 140ms;
  background-color: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: var(--space-8) 0 var(--space-6);
  border-bottom: 1px solid var(--color-line);
  background:
    radial-gradient(120% 92% at 6% 0%, color-mix(in srgb, var(--color-primary) 24%, transparent) 0%, transparent 58%),
    radial-gradient(96% 84% at 100% 108%, color-mix(in srgb, var(--color-accent) 16%, transparent) 0%, transparent 62%),
    var(--color-surface-alt);
}

.page-news .hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: 0.2;
  pointer-events: none;
}

.page-news .hero-shell {
  position: relative;
  z-index: 1;
}

.page-news .hero-crumb {
  margin-bottom: var(--space-6);
}

.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-news .breadcrumb li {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.page-news .breadcrumb li + li::before {
  content: "/";
  color: var(--color-line);
}

.page-news .breadcrumb a {
  color: var(--color-ink-soft);
  text-decoration: none;
}

.page-news .breadcrumb a:hover {
  color: var(--color-accent);
}

.page-news .breadcrumb a[aria-current="page"] {
  color: var(--color-ink);
}

.page-news .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.page-news .hero-eyebrow {
  margin: 0 0 var(--space-3);
  color: var(--color-accent);
}

.page-news .hero-title {
  margin: 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-ink);
}

.page-news .hero-title::after {
  content: "";
  display: block;
  width: calc(var(--space-8) * 2);
  height: 2px;
  margin-top: var(--space-4);
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
}

.page-news .hero-lead {
  max-width: var(--measure);
  margin: var(--space-4) 0 0;
  font-size: var(--text-lg);
  color: var(--color-ink-soft);
}

.page-news .hero-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.page-news .hero-figure {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-line);
}

.page-news .hero-figure .figure {
  font-family: var(--font-heading);
  font-size: var(--text-figure);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-accent);
  transition: color var(--news-glow) ease;
}

.page-news .hero-figure:hover .figure {
  color: var(--color-focus);
}

.page-news .hero-figure-label {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-news .hero-scale {
  margin-top: var(--space-8);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-line);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-news .hero-scale::-webkit-scrollbar {
  display: none;
}

.page-news .hero-scale .band-track {
  gap: var(--space-2);
}

/* ---------- 通用区段标题 ---------- */
.page-news .section-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-line);
}

.page-news .section-sub {
  max-width: var(--measure);
  margin: 0;
  font-size: var(--text-base);
  color: var(--color-ink-soft);
}

/* ---------- 分类索引 ---------- */
.page-news .cat-index {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .cat-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface-alt);
  transition: border-color 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.page-news .cat-item:hover {
  background: var(--color-surface-deep);
  border-color: color-mix(in srgb, var(--color-accent) 58%, transparent);
  box-shadow: var(--shadow-1);
}

.page-news .cat-idx {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.14em;
  color: var(--color-primary);
}

.page-news .cat-name {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-news .cat-desc {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

.page-news .cat-count {
  margin-top: auto;
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-line);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

/* ---------- 条目流 ---------- */
.page-news .flow {
  display: flex;
  flex-direction: column;
}

.page-news .flow-item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  padding: var(--space-4) 0;
  border-top: 1px solid var(--color-line);
  transition: background-color 160ms ease;
}

.page-news .flow-item:last-child {
  border-bottom: 1px solid var(--color-line);
}

.page-news .flow-rail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.page-news .flow-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: var(--space-6);
  padding: 4px var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  transition: color var(--news-glow) ease, background-color var(--news-glow) ease, border-color var(--news-glow) ease;
}

.page-news .tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  padding: 3px var(--space-1);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  color: var(--color-ink-soft);
  background: transparent;
}

.page-news .flow-state {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-news .flow-state::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: var(--radius-pill);
  background: currentColor;
}

.page-news .flow-state[data-state="published"] {
  color: var(--color-accent);
}

.page-news .flow-state[data-state="running"] {
  color: var(--color-primary);
}

.page-news .flow-state[data-state="review"] {
  color: var(--color-ink-muted);
}

.page-news .flow-title {
  margin: 0 0 var(--space-2);
  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-news .flow-desc {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: 1.72;
  color: var(--color-ink-soft);
  transition: color 160ms ease;
}

.page-news .flow-item:hover .flow-no {
  color: var(--color-primary-ink);
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.page-news .flow-item:hover .flow-desc {
  -webkit-line-clamp: 3;
  color: var(--color-ink);
}

.page-news .flow-link {
  position: relative;
  display: inline-block;
  margin-top: var(--space-2);
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  color: var(--color-accent);
  text-decoration: none;
}

.page-news .flow-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 180ms ease;
}

.page-news .flow-link:hover::after,
.page-news .flow-link:focus-visible::after {
  transform: scaleX(1);
}

.page-news .flow-figure {
  margin: var(--space-3) 0;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-news .flow-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 节奏刻度 ---------- */
.page-news .cadence-ruler {
  margin-bottom: var(--space-6);
  color: var(--color-accent);
}

.page-news .cadence-ruler svg {
  display: block;
  width: 100%;
  height: 40px;
}

.page-news .cadence-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .cadence-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3);
  padding-left: var(--space-3);
  border-left: 1px solid var(--color-line);
  transition: border-color 160ms ease;
}

.page-news .cadence-item:hover {
  border-left-color: var(--color-accent);
}

.page-news .cadence-idx {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.12em;
  color: var(--color-primary);
  padding-top: 2px;
}

.page-news .cadence-title {
  margin: 0 0 var(--space-1);
  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-news .cadence-body p {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  color: var(--color-ink-soft);
}

/* ---------- 与稳定知识的关系 ---------- */
.page-news .relation-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.page-news .relation-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface-alt);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.page-news .relation-card:hover {
  border-color: color-mix(in srgb, var(--color-primary) 62%, transparent);
  box-shadow: var(--shadow-1);
}

.page-news .relation-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-news .relation-desc {
  margin: 0 0 var(--space-2);
  font-size: var(--text-base);
  color: var(--color-ink-soft);
}

.page-news .relation-card .btn {
  align-self: flex-start;
}

/* ---------- 站务与纠错 ---------- */
.page-news .correction-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-6) var(--space-4);
  border: 1px solid color-mix(in srgb, var(--color-accent) 40%, transparent);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, var(--color-highlight) 0%, var(--color-surface-alt) 78%);
}

.page-news .correction-panel .eyebrow {
  color: var(--color-accent);
}

.page-news .correction-panel .h2 {
  margin: 0;
}

.page-news .correction-text {
  max-width: var(--measure);
  margin: 0;
  font-size: var(--text-base);
  color: var(--color-ink);
}

.page-news .correction-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-news .cat-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .cadence-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-news .correction-panel {
    padding: var(--space-8) var(--space-6);
  }
}

@media (min-width: 860px) {
  .page-news .flow-item {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    gap: var(--gutter);
    align-items: start;
    padding: var(--space-6) var(--space-3) var(--space-6) var(--space-2);
  }

  .page-news .flow-rail {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }

  .page-news .flow-title {
    font-size: var(--text-xl);
  }

  .page-news .flow-figure {
    margin-left: calc(var(--news-rail) + var(--gutter));
  }
}

@media (min-width: 1040px) {
  .page-news .cat-index {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .hero-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 0.7fr);
    align-items: end;
    gap: var(--gutter);
  }

  .page-news .hero-figures {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .page-news .hero-figure:nth-child(2) {
    margin-left: var(--space-8);
  }
}