.page-news {
  --news-line: rgba(247, 243, 234, 0.16);
  --news-gap: clamp(20px, 3vw, 34px);
  --news-soft: rgba(247, 243, 234, 0.78);
  background:
    radial-gradient(1100px 620px at 84% -10%, rgba(31, 107, 255, 0.28), transparent 62%),
    radial-gradient(760px 520px at -6% 10%, rgba(255, 90, 42, 0.18), transparent 60%),
    linear-gradient(180deg, var(--c-indigo) 0%, var(--c-indigo-2) 56%, var(--c-indigo) 100%);
  color: var(--c-paper);
  padding-bottom: clamp(56px, 8vw, 110px);
  overflow-x: clip;
}

/* 首屏 */
.page-news .news-hero {
  padding: clamp(14px, 3vw, 28px) 0 clamp(30px, 5vw, 54px);
}

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

.page-news .news-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(20px, 4vw, 40px);
}

.page-news .news-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(38px, 8.4vw, 78px);
  line-height: 0.94;
  letter-spacing: -0.02em;
  color: var(--c-paper);
}

.page-news .news-hero__accent {
  display: block;
  color: var(--c-orange);
}

.page-news .news-hero__lede {
  margin: clamp(16px, 3vw, 24px) 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.78;
  color: var(--news-soft);
}

.page-news .hero-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  align-self: start;
}

.page-news .hero-stats li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 12px;
  border: 1px solid var(--news-line);
  border-radius: var(--r-m);
  background: rgba(247, 243, 234, 0.06);
}

.page-news .hero-stats__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(19px, 3vw, 30px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--c-yellow);
}

.page-news .hero-stats__label {
  font-size: 12px;
  line-height: 1.45;
  color: var(--c-mist);
}

/* 主体两栏 */
.page-news .news-stage {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-news .rail {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-news .rail-nav {
  padding: 18px 16px;
  border: 1px solid var(--news-line);
  border-radius: var(--r-m);
  background: rgba(247, 243, 234, 0.05);
}

.page-news .rail-nav__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-yellow);
}

.page-news .rail-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 4px;
}

.page-news .rail-nav__list a {
  display: block;
  padding: 8px 10px;
  border-radius: var(--r-s);
  font-size: 14px;
  color: rgba(247, 243, 234, 0.88);
  text-decoration: none;
  transition: background 0.18s ease, color 0.18s ease;
}

.page-news .rail-nav__list a:hover,
.page-news .rail-nav__list a:focus-visible {
  background: var(--c-orange);
  color: var(--c-ink);
}

.page-news .rail-card {
  padding: 18px 16px;
  border: var(--edge);
  border-radius: var(--r-m);
  box-shadow: var(--lift);
  background: var(--c-paper);
  color: var(--c-ink);
}

.page-news .rail-card__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: #5a6079;
}

.page-news .rail-card__ver {
  margin: 8px 0 6px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 24px;
  line-height: 1;
  color: var(--c-ink);
}

.page-news .rail-card__text {
  margin: 0 0 14px;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(16, 20, 38, 0.76);
}

.page-news .rail-card .btn {
  display: inline-flex;
}

.page-news .rail-card--help {
  background: var(--c-yellow);
}

.page-news .rail-card--help .rail-card__title {
  color: rgba(16, 20, 38, 0.7);
}

/* 章节通用 */
.page-news .news-section {
  margin-top: clamp(40px, 6vw, 74px);
}

.page-news .news-section:first-child {
  margin-top: 0;
}

.page-news .section-head {
  margin-bottom: clamp(18px, 3vw, 26px);
}

.page-news .section-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--c-paper);
}

.page-news .section-head__text {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--news-soft);
}

/* 记录流 */
.page-news .log-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(26px, 4.4vw, 44px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--c-paper);
}

.page-news .log-head__text {
  margin: 12px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--news-soft);
}

.page-news .log-banner {
  margin: clamp(18px, 3vw, 26px) 0 var(--news-gap);
  border: var(--edge);
  border-radius: var(--r-l);
  box-shadow: var(--lift);
  overflow: hidden;
  background: var(--c-indigo-2);
}

.page-news .log-banner img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .log-banner figcaption {
  padding: 12px 16px;
  border-top: 1px solid rgba(247, 243, 234, 0.14);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(247, 243, 234, 0.7);
}

.page-news .log-stream {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-news .log-entry {
  padding: 16px 18px;
  border: var(--edge);
  border-radius: var(--r-m);
  box-shadow: 5px 5px 0 rgba(8, 10, 20, 0.85);
  background: var(--c-paper);
  color: var(--c-ink);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.page-news .log-entry:hover {
  transform: translateY(-2px);
  box-shadow: 8px 8px 0 rgba(8, 10, 20, 0.85);
}

.page-news .log-entry__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.page-news .log-entry__when {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(16, 20, 38, 0.56);
}

.page-news .log-entry h3 {
  margin: 10px 0 6px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(17px, 2.2vw, 20px);
  line-height: 1.32;
  color: var(--c-ink);
}

.page-news .log-entry p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(16, 20, 38, 0.78);
}

/* 专题卡 */
.page-news .topic-card {
  margin: 6px 0;
  border: var(--edge);
  border-radius: var(--r-l);
  box-shadow: var(--lift-hi);
  overflow: hidden;
  background: var(--c-indigo-2);
}

.page-news .topic-card img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .topic-card__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px 22px;
  border-top: 2px solid var(--c-print);
}

.page-news .topic-card--screen .topic-card__body {
  background: linear-gradient(135deg, var(--c-blue) 0%, #123a8f 100%);
  color: var(--c-paper);
}

.page-news .topic-card--index .topic-card__body {
  background: var(--c-paper);
  color: var(--c-ink);
}

.page-news .topic-card__kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-yellow);
}

.page-news .topic-card--index .topic-card__kicker {
  color: #b2680f;
}

.page-news .topic-card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(19px, 2.8vw, 27px);
  line-height: 1.2;
}

.page-news .topic-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
}

.page-news .topic-card--screen p {
  color: rgba(247, 243, 234, 0.85);
}

.page-news .topic-card--index p {
  color: rgba(16, 20, 38, 0.78);
}

.page-news .topic-card a {
  align-self: flex-start;
  margin-top: 4px;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  border-bottom: 2px solid currentColor;
  padding-bottom: 2px;
}

.page-news .topic-card--screen a {
  color: var(--c-yellow);
}

.page-news .topic-card--index a {
  color: var(--c-blue);
}

/* 版本迭代 */
.page-news .version-tape {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-news .version-tape__item {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--news-line);
  border-radius: var(--r-m);
  background: rgba(247, 243, 234, 0.05);
}

.page-news .version-tape__no {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.2;
  color: var(--c-yellow);
}

.page-news .version-tape__item h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.35;
  color: var(--c-paper);
}

.page-news .version-tape__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(247, 243, 234, 0.76);
}

/* 大屏场景 */
.page-news .scene-grid {
  display: grid;
  gap: 14px;
}

.page-news .scene-card {
  padding: 18px;
  border: var(--edge);
  border-radius: var(--r-m);
  box-shadow: 5px 5px 0 rgba(8, 10, 20, 0.85);
  background: var(--c-paper);
  color: var(--c-ink);
}

.page-news .scene-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.3;
  color: var(--c-ink);
}

.page-news .scene-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(16, 20, 38, 0.78);
}

.page-news .scene-card__hint {
  display: inline-block;
  margin-top: 14px;
  padding: 5px 10px;
  border-radius: var(--r-pill);
  background: var(--c-yellow);
  color: var(--c-ink);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.02em;
}

.page-news .scene-foot {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--news-soft);
}

.page-news .scene-foot a {
  color: var(--c-yellow);
  font-weight: 700;
}

/* 索引手记 */
.page-news .index-notes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .index-notes li {
  padding: 18px;
  border: 1px solid var(--news-line);
  border-left: 4px solid var(--c-orange);
  border-radius: var(--r-m);
  background: rgba(247, 243, 234, 0.05);
}

.page-news .index-notes h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.35;
  color: var(--c-paper);
}

.page-news .index-notes p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(247, 243, 234, 0.78);
}

/* 更新节奏 */
.page-news .cadence {
  padding: clamp(20px, 3.4vw, 34px);
  border: var(--edge);
  border-radius: var(--r-l);
  box-shadow: var(--lift);
  background: var(--c-paper);
  color: var(--c-ink);
}

.page-news .cadence__grid {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-news .cadence h2 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.06;
  color: var(--c-ink);
}

.page-news .cadence .eyebrow {
  color: #a8461c;
}

.page-news .cadence__lede {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(16, 20, 38, 0.78);
}

.page-news .cadence__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-news .cadence__list li {
  padding: 10px 12px;
  border-radius: var(--r-s);
  background: rgba(16, 20, 38, 0.05);
  font-size: 14px;
  line-height: 1.6;
  color: rgba(16, 20, 38, 0.82);
}

.page-news .cadence__list strong {
  display: inline-block;
  min-width: 44px;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: #a8461c;
}

.page-news .cadence__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.page-news .cadence__figure {
  margin: 0;
  border: var(--edge);
  border-radius: var(--r-m);
  overflow: hidden;
  background: var(--c-indigo);
}

.page-news .cadence__figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .cadence__figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid rgba(247, 243, 234, 0.16);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: rgba(247, 243, 234, 0.7);
}

.page-news .cadence__foot {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(16, 20, 38, 0.76);
}

.page-news .cadence__foot a {
  color: #0e46ad;
  font-weight: 700;
}

/* 断点 */
@media (min-width: 720px) {
  .page-news .log-entry {
    padding: 20px 24px;
  }

  .page-news .topic-card__body {
    padding: 22px 26px 26px;
  }

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

  .page-news .index-notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .hero-stats {
    max-width: 520px;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-news .cadence__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-news .news-stage {
    grid-template-columns: 296px minmax(0, 1fr);
    align-items: start;
  }

  .page-news .rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
  }

  .page-news .rail-nav__list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-news .version-tape__item {
    grid-template-columns: 74px minmax(0, 1fr);
    padding: 18px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .log-entry,
  .page-news .rail-nav__list a {
    transition: none;
  }

  .page-news .log-entry:hover {
    transform: none;
  }
}
<<<END>>>