.page-news {
  --news-gap: 14px;
  --news-row-pad: 18px;
  --news-radius: 12px;
}

/* ---------- 首屏 ---------- */
.page-news .insight-hero {
  padding-top: 20px;
  padding-bottom: 8px;
}

.page-news .hero-copy {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-bottom: 34px;
}

.page-news .hero-copy h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(34px, 7.2vw, 72px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: .01em;
  color: var(--text);
  text-wrap: balance;
}

.page-news .hero-copy .lede {
  max-width: 62ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--cold);
}

.page-news .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  margin: 6px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-news .hero-meta li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  min-width: 0;
}

.page-news .meta-key {
  font-size: 12px;
  letter-spacing: .09em;
  color: var(--cold);
}

.page-news .meta-val {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--text-cyan);
}

.page-news .hero-visual {
  padding-bottom: 46px;
}

.page-news .hero-visual .media-frame {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

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

/* ---------- 01 发布节奏 ---------- */
.page-news .cadence-grid {
  gap: 26px;
  align-items: start;
}

.page-news .cadence-copy {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.page-news .cadence-copy p {
  margin: 0;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
}

.page-news .cadence-copy .lede {
  font-size: 19px;
  line-height: 1.7;
  color: var(--text);
}

.page-news .cadence-panel {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .cadence-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 18px;
  background: var(--char);
}

.page-news .cadence-item dt {
  font-size: 12px;
  letter-spacing: .09em;
  color: var(--cold);
  white-space: nowrap;
}

.page-news .cadence-item dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--text);
  text-align: right;
  min-width: 0;
}

.page-news .cadence-num {
  font-size: 26px;
  color: var(--gold);
  margin-right: 3px;
}

/* ---------- 02 改版要点 ---------- */
.page-news .revision-grid {
  gap: 30px;
  align-items: start;
}

.page-news .revision-copy {
  display: flex;
  flex-direction: column;
  gap: 26px;
  min-width: 0;
}

.page-news .revision-block {
  padding-left: 18px;
  border-left: 2px solid var(--line);
  transition: border-color 200ms var(--ease);
}

.page-news .revision-block:hover {
  border-left-color: var(--cyan);
}

.page-news .revision-block h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.8vw, 27px);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text);
}

.page-news .revision-block p {
  margin: 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--cold);
}

.page-news .revision-figure {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
}

/* ---------- 03 更新列表 ---------- */
.page-news .update-section .section-head {
  margin-bottom: 22px;
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-news .tab {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  padding: 9px 17px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--cold);
  cursor: pointer;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-news .tab:hover {
  color: var(--text);
  border-color: var(--cyan);
}

.page-news .tab[aria-selected="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

.page-news .tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-news .update-panel[hidden] {
  display: none;
}

.page-news .archive-list {
  display: flex;
  flex-direction: column;
  gap: var(--news-gap);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .update-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 5px;
  padding: var(--news-row-pad);
  background: var(--char);
  border: 1px solid var(--line);
  border-radius: var(--news-radius);
  transition: border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-news .update-row:hover {
  border-color: var(--cyan);
  background: var(--lift);
}

.page-news .update-ver {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .07em;
  font-variant-numeric: tabular-nums;
  color: var(--gold);
  white-space: nowrap;
}

.page-news .update-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-news .update-title {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
}

.page-news .update-summary {
  margin: 0;
  max-width: 72ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--cold);
}

.page-news .update-feature {
  border-radius: var(--news-radius);
  border: 1px solid var(--line);
  background: var(--warm);
  overflow: hidden;
}

.page-news .update-feature .media-frame {
  border-radius: 0;
}

.page-news .update-feature .media-caption {
  padding: 11px 16px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--gold-soft);
  background: transparent;
}

/* ---------- 04 专题系列 ---------- */
.page-news .topic-grid {
  gap: 30px;
  align-items: start;
}

.page-news .topic-figure {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-news .topic-list {
  display: flex;
  flex-direction: column;
  gap: var(--news-gap);
  min-width: 0;
}

.page-news .topic-card {
  padding: 20px;
  background: var(--char);
  border-left: 3px solid var(--deep-cyan);
  border-radius: var(--news-radius);
  transition: border-left-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-news .topic-card:hover {
  border-left-color: var(--gold);
  background: var(--lift);
}

.page-news .topic-card h3 {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}

.page-news .topic-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--cold);
}

/* ---------- 05 订阅与获取 ---------- */
.page-news .subscribe-grid {
  gap: var(--news-gap);
}

.page-news .subscribe-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: 24px;
  background: var(--lift);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-news .subscribe-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text);
}

.page-news .subscribe-card p {
  flex: 1;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--cold);
}

.page-news .subscribe-note {
  margin-top: 18px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--cold);
}

/* ---------- 06 反馈与更正 ---------- */
.page-news .correction-grid {
  gap: 28px;
  align-items: center;
}

.page-news .correction-copy {
  display: flex;
  flex-direction: column;
  gap: 15px;
  min-width: 0;
}

.page-news .correction-copy p {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--cold);
}

.page-news .correction-copy .lede {
  color: var(--text);
}

.page-news .correction-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.page-news .correction-figure {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-news .cadence-panel {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 880px) {
  .page-news .insight-hero {
    padding-top: 32px;
  }

  .page-news .cadence-grid {
    grid-template-columns: 1.9fr 1fr;
    gap: 48px;
  }

  .page-news .revision-grid {
    grid-template-columns: 2.1fr 1fr;
    gap: 48px;
  }

  .page-news .topic-grid {
    grid-template-columns: 1fr 1.55fr;
    gap: 48px;
  }

  .page-news .correction-grid {
    grid-template-columns: 1.8fr 1fr;
    gap: 48px;
  }

  .page-news .update-row {
    grid-template-columns: 96px 1fr;
    align-items: start;
    gap: 8px 22px;
    padding: 18px 22px;
  }

  .page-news .update-ver {
    padding-top: 4px;
  }
}

@media (min-width: 1100px) {
  .page-news .cadence-panel {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .tab,
  .page-news .update-row,
  .page-news .revision-block,
  .page-news .topic-card {
    transition-duration: 1ms;
  }
}
<<<END>>>