.page-news {
  color-scheme: dark;
  --news-rail-w: 220px;
  --news-rule: rgba(53, 224, 208, 0.18);
  display: block;
  padding-bottom: clamp(56px, 8vw, 112px);
}

.page-news .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding-top: clamp(20px, 4vw, 36px);
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-news .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 200ms var(--ease-out), border-color 200ms var(--ease-out);
}

.page-news .breadcrumbs a:hover,
.page-news .breadcrumbs a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-news .section-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 14px;
}

.page-news .section-kicker .mono-label {
  color: var(--cyan);
}

.page-news .display-title {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.08;
  color: var(--text);
  margin: 0;
  font-size: clamp(1.9rem, 5.4vw, 3.3rem);
}

.page-news .display-title--sub {
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1.2;
}

.page-news .lede {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 62ch;
}

.page-news .annotation {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
  margin: 0;
  max-width: 32ch;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  display: grid;
  gap: 28px;
  padding-bottom: clamp(28px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero__body {
  position: relative;
  padding-left: 16px;
}

.page-news .news-hero__body::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), rgba(53, 224, 208, 0));
}

.page-news .news-hero__panel {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  backdrop-filter: blur(10px);
}

.page-news .panel-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  margin: 0 0 14px;
}

.page-news .panel-facts {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-news .panel-facts div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  border-bottom: 1px dashed rgba(27, 51, 80, 0.9);
  padding-bottom: 10px;
}

.page-news .panel-facts div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-news .panel-facts dt {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.page-news .panel-facts dd {
  margin: 0;
  font-size: 14px;
  color: var(--text);
}

.page-news .panel-note {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 布局 ---------- */
.page-news .news-layout {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  padding-top: clamp(32px, 5vw, 56px);
}

.page-news .news-rail {
  display: grid;
  gap: 26px;
  align-content: start;
}

.page-news .rail-block {
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.page-news .rail-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 14px;
}

.page-news .rail-list,
.page-news .rail-jump {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-news .rail-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14.5px;
  color: var(--text);
  padding: 8px 4px;
  border-radius: var(--radius-sm);
  transition: background 200ms var(--ease-out), color 200ms var(--ease-out);
}

.page-news .rail-item:hover {
  background: var(--glass);
}

.page-news .rail-mark {
  width: 14px;
  height: 2px;
  background: var(--line);
  flex: 0 0 auto;
  transition: background 200ms var(--ease-out), width 200ms var(--ease-out);
}

.page-news .rail-item.is-active {
  color: var(--cyan-soft);
}

.page-news .rail-item.is-active .rail-mark {
  width: 22px;
  background: var(--cyan);
}

.page-news .rail-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-news .rail-jump a {
  display: block;
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  padding: 7px 4px;
  border-left: 1px solid var(--line);
  padding-left: 12px;
  transition: color 200ms var(--ease-out), border-color 200ms var(--ease-out);
}

.page-news .rail-jump a:hover,
.page-news .rail-jump a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-news .rail-block--quiet {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 18px;
}

.page-news .rail-text {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .rail-link {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 208, 0.4);
  padding-bottom: 2px;
}

.page-news .rail-link:hover,
.page-news .rail-link:focus-visible {
  color: var(--cyan-soft);
  border-color: var(--cyan-soft);
}

.page-news .news-stream {
  display: grid;
  gap: clamp(36px, 5vw, 64px);
  min-width: 0;
}

/* ---------- 置顶专题 ---------- */
.page-news .pinned {
  display: grid;
  gap: 0;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-news .pinned-media {
  position: relative;
  background: linear-gradient(135deg, var(--shadow-deep), var(--ink-900));
  clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
}

.page-news .pinned-media img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  opacity: 0.9;
}

.page-news .pinned-flag {
  position: absolute;
  top: 16px;
  left: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink-950);
  background: var(--amber);
  border-radius: var(--radius-pill);
  padding: 5px 12px;
}

.page-news .pinned-content {
  padding: clamp(20px, 3.4vw, 34px);
}

.page-news .pinned-meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 12px;
}

.page-news .pinned-meta .mono-label {
  color: var(--amber);
}

.page-news .pinned-content h2 {
  margin: 0 0 14px;
  font-size: clamp(1.35rem, 3.2vw, 2.1rem);
  line-height: 1.24;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--text);
}

.page-news .pinned-content p {
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .pinned-points {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .pinned-points li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text);
}

.page-news .pinned-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-news .pinned-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 条目列表 ---------- */
.page-news .latest-head {
  display: grid;
  gap: 14px;
  align-items: end;
  margin-bottom: clamp(18px, 3vw, 28px);
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.page-news .entry-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--news-rule);
}

.page-news .entry {
  position: relative;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 18px 8px 18px 4px;
  border-bottom: 1px solid var(--line);
  transition: background 220ms var(--ease-out);
}

.page-news .entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--cyan);
  opacity: 0;
  transition: opacity 220ms var(--ease-out);
}

.page-news .entry:hover,
.page-news .entry:focus-within {
  background: var(--glass);
}

.page-news .entry:hover::before,
.page-news .entry:focus-within::before {
  opacity: 1;
}

.page-news .entry-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding-top: 3px;
}

.page-news .entry-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
}

.page-news .tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  color: var(--muted);
  white-space: nowrap;
}

.page-news .tag--version {
  color: var(--cyan);
  border-color: rgba(53, 224, 208, 0.45);
}

.page-news .tag--cross {
  color: var(--cyan-soft);
  border-color: rgba(125, 243, 232, 0.35);
}

.page-news .tag--faq {
  color: var(--text);
  border-color: rgba(147, 164, 188, 0.45);
}

.page-news .tag--rule {
  color: var(--amber);
  border-color: rgba(242, 180, 75, 0.45);
}

.page-news .tag--ops {
  color: var(--muted);
  border-color: var(--line);
}

.page-news .entry-time {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-news .entry-title {
  margin: 0 0 6px;
  font-size: 16px;
  line-height: 1.5;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.01em;
}

.page-news .entry-summary {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 规则横条 ---------- */
.page-news .rule-band {
  display: grid;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--ink-900);
  overflow: hidden;
}

.page-news .rule-band__text {
  padding: clamp(20px, 3.4vw, 32px);
}

.page-news .rule-band__title {
  margin: 0 0 12px;
  font-size: clamp(1.15rem, 2.6vw, 1.55rem);
  line-height: 1.3;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.01em;
}

.page-news .rule-band__text p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .rule-band__media {
  order: -1;
  background: linear-gradient(160deg, rgba(14, 42, 51, 0.9), var(--ink-950));
  clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
}

.page-news .rule-band__media img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  opacity: 0.92;
}

/* ---------- 版本节奏 ---------- */
.page-news .cadence,
.page-news .series,
.page-news .subscribe {
  margin-top: clamp(48px, 7vw, 88px);
}

.page-news .cadence .section-header,
.page-news .series .section-header {
  display: grid;
  gap: 14px;
  align-items: end;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-news .cadence-grid {
  display: grid;
  gap: 16px;
}

.page-news .cadence-card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 22px 20px;
  overflow: hidden;
}

.page-news .cadence-card::after {
  content: "";
  position: absolute;
  right: -30px;
  top: -30px;
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(53, 224, 208, 0.16), transparent 70%);
}

.page-news .cadence-step {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
  margin: 0 0 10px;
}

.page-news .cadence-card h3 {
  margin: 0 0 10px;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
}

.page-news .cadence-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .cadence-card--wide {
  background: linear-gradient(140deg, var(--ink-900), var(--panel));
  border-color: rgba(242, 180, 75, 0.35);
}

.page-news .cadence-card--wide .cadence-step {
  color: var(--amber);
}

/* ---------- 专题系列 ---------- */
.page-news .series-grid {
  display: grid;
  gap: 16px;
}

.page-news .series-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  background: var(--ink-900);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 220ms var(--ease-out), transform 220ms var(--ease-out), background 220ms var(--ease-out);
}

.page-news .series-card:hover,
.page-news .series-card:focus-visible {
  border-color: rgba(53, 224, 208, 0.55);
  background: var(--panel);
  transform: translateY(-2px);
}

.page-news .series-media {
  background: linear-gradient(150deg, var(--shadow-deep), var(--ink-950));
  clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
}

.page-news .series-media img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  opacity: 0.9;
}

.page-news .series-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1 1 auto;
}

.page-news .series-body .mono-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
  margin: 0;
}

.page-news .series-body h3 {
  margin: 0;
  font-size: clamp(1.1rem, 2.4vw, 1.4rem);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.01em;
}

.page-news .series-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .series-more {
  margin-top: auto;
  padding-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  border-bottom: 1px solid transparent;
  align-self: flex-start;
  transition: border-color 200ms var(--ease-out);
}

.page-news .series-card:hover .series-more,
.page-news .series-card:focus-visible .series-more {
  border-color: var(--cyan);
}

/* ---------- 订阅与回访 ---------- */
.page-news .subscribe {
  display: grid;
  gap: 22px;
  padding: clamp(22px, 3.6vw, 38px);
  border: 1px solid rgba(53, 224, 208, 0.28);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(53, 224, 208, 0.1), transparent 55%),
    var(--ink-900);
}

.page-news .subscribe-main p {
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 56ch;
}

.page-news .subscribe-mail {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 12px 14px;
  border: 1px dashed rgba(53, 224, 208, 0.4);
  border-radius: var(--radius-sm);
  background: var(--glass);
}

.page-news .subscribe-mail .mono-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-news .subscribe-mail strong {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 13.5px;
  letter-spacing: 0.02em;
  color: var(--text);
  word-break: break-all;
}

.page-news .subscribe-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.page-news .subscribe-side {
  border-top: 1px solid var(--line);
  padding-top: 20px;
}

.page-news .subscribe-side__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-news .subscribe-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .subscribe-list li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 8px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

.page-news .subscribe-list .mono-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.08em;
}

.page-news .subscribe-note {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .news-hero {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .latest-head,
  .page-news .cadence .section-header,
  .page-news .series .section-header {
    grid-template-columns: minmax(0, 1fr) 200px;
  }

  .page-news .rule-band {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    align-items: center;
  }

  .page-news .rule-band__media {
    order: 0;
    height: 100%;
  }

  .page-news .rule-band__media img {
    height: 100%;
    aspect-ratio: auto;
    min-height: 240px;
  }

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

  .page-news .cadence-card--wide {
    grid-column: 1 / -1;
  }

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

  .page-news .series-card--lead {
    grid-column: 1 / -1;
    flex-direction: row;
  }

  .page-news .series-card--lead .series-media {
    flex: 0 0 46%;
    clip-path: polygon(0 0, 100% 0, 92% 100%, 0 100%);
  }

  .page-news .series-card--lead .series-media img {
    height: 100%;
    aspect-ratio: auto;
    min-height: 260px;
  }

  .page-news .series-card--lead .series-body {
    padding: 26px;
    justify-content: center;
  }

  .page-news .subscribe {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 36px;
  }

  .page-news .subscribe-side {
    border-top: 0;
    border-left: 1px solid var(--line);
    padding-top: 0;
    padding-left: 28px;
  }
}

@media (min-width: 1000px) {
  .page-news .news-layout {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: 116px;
  }

  .page-news .pinned {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-news .pinned-media {
    clip-path: polygon(0 0, 100% 0, 88% 100%, 0 100%);
  }

  .page-news .pinned-media img {
    height: 100%;
    aspect-ratio: auto;
    min-height: 320px;
  }

  .page-news .pinned-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .page-news .entry {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 20px;
    padding: 20px 16px 20px 8px;
  }

  .page-news .cadence-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-news .cadence-card--wide {
    grid-column: span 3;
    padding: 26px 28px;
  }

  .page-news .series-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 20px;
  }

  .page-news .series-card--lead {
    grid-column: 1;
    grid-row: span 2;
    flex-direction: column;
  }

  .page-news .series-card--lead .series-media {
    flex: 0 0 auto;
    clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
  }

  .page-news .series-card--lead .series-media img {
    aspect-ratio: 4 / 3;
    min-height: 0;
    height: auto;
  }

  .page-news .series-card--lead .series-body {
    padding: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry,
  .page-news .series-card,
  .page-news .rail-item,
  .page-news .rail-jump a {
    transition: opacity 160ms linear;
  }

  .page-news .series-card:hover,
  .page-news .series-card:focus-visible {
    transform: none;
  }
}