.page-news {
  --news-block: clamp(48px, 7vw, 96px);
  --news-gutter: clamp(18px, 4vw, 40px);
  --news-soft: rgba(244, 246, 244, 0.82);
  --news-dim: rgba(199, 206, 210, 0.68);
  --news-track: rgba(199, 206, 210, 0.14);
}

/* ---------- 面包屑 -------------------------------- */
.page-news .breadcrumbs {
  padding-block: 18px 8px;
}

/* ---------- 首屏 -------------------------------- */
.page-news .news-hero {
  position: relative;
  background: var(--ink-green);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  padding-block: clamp(28px, 4vw, 48px) clamp(40px, 6vw, 76px);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(199, 206, 210, 0.05) 0 1px,
    transparent 1px 72px
  );
  pointer-events: none;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  top: -50%;
  right: -18%;
  width: 56%;
  height: 190%;
  background: linear-gradient(158deg, rgba(255, 106, 26, 0.26), rgba(255, 106, 26, 0) 62%);
  transform: rotate(-7deg);
  pointer-events: none;
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.page-news .news-hero__title {
  font-family: var(--font-display);
  font-size: clamp(32px, 7vw, 62px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: 0.01em;
  color: var(--paper);
  margin: 10px 0 18px;
}

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

.page-news .news-hero__lead {
  max-width: 46ch;
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--news-soft);
}

.page-news .news-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-news .news-hero__media {
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--carbon);
}

.page-news .news-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1440 / 520;
  object-fit: cover;
}

/* ---------- 通用区块头 -------------------------------- */
.page-news .section__head {
  max-width: 68ch;
  margin-bottom: clamp(24px, 3vw, 40px);
}

.page-news .news-rounds .section__title,
.page-news .news-reports .section__title,
.page-news .news-version .section__title,
.page-news .news-cats .section__title,
.page-news .news-cadence .section__title {
  color: var(--paper);
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: 0.02em;
}

.page-news .news-rounds .section__lead,
.page-news .news-reports .section__lead,
.page-news .news-version .section__lead,
.page-news .news-cats .section__lead,
.page-news .news-cadence .section__lead {
  color: var(--news-soft);
  line-height: 1.78;
}

/* ---------- 轮次轨道 -------------------------------- */
.page-news .news-rounds {
  background: var(--carbon);
  border-bottom: 1px solid var(--line);
  padding-block: var(--news-block) clamp(30px, 4vw, 48px);
}

.page-news .news-rounds__rail {
  display: flex;
  align-items: stretch;
  gap: 12px;
  overflow-x: auto;
  padding: 4px var(--news-gutter) 20px;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  scrollbar-color: var(--signal) transparent;
}

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

.page-news .round-cap {
  flex: 0 0 auto;
  align-self: center;
  padding: 10px 14px;
  border: 1px dashed var(--line-strong);
  color: var(--news-dim);
  font-size: 12px;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.page-news .round-chip {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: grid;
  gap: 2px;
  min-width: 136px;
  padding: 14px 18px 16px;
  background: var(--deep-turf);
  border: 1px solid var(--line);
  border-left: 3px solid rgba(255, 106, 26, 0.28);
  color: var(--paper);
  text-decoration: none;
  transition: transform 220ms ease, border-color 220ms ease, background-color 220ms ease;
}

.page-news .round-chip__num {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 900;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--silver);
  letter-spacing: 0.02em;
}

.page-news .round-chip__name {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.page-news .round-chip__state {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--news-dim);
}

.page-news .round-chip:hover,
.page-news .round-chip:focus-visible {
  transform: translateX(2px);
  border-left-color: var(--signal);
  background: rgba(20, 69, 58, 0.88);
}

.page-news .round-chip.is-current {
  border-left-color: var(--signal);
  background: rgba(255, 106, 26, 0.12);
}

.page-news .round-chip.is-current .round-chip__num {
  color: var(--signal);
}

.page-news .round-chip.is-current .round-chip__state {
  color: var(--amber);
}

/* ---------- 轮次战报列表 -------------------------------- */
.page-news .news-reports {
  background: var(--ink-green);
  padding-block: var(--news-block);
}

.page-news .report-list {
  display: grid;
  gap: 0;
}

.page-news .report {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px 16px;
  padding: clamp(22px, 3vw, 34px) 0;
  border-top: 1px solid var(--news-track);
  transition: border-color 240ms ease;
}

.page-news .report:last-child {
  border-bottom: 1px solid var(--news-track);
}

.page-news .report:hover,
.page-news .report:focus-within {
  border-top-color: var(--signal);
}

.page-news .report__index {
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 900;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: rgba(199, 206, 210, 0.34);
  letter-spacing: 0.02em;
  transition: color 220ms ease, transform 220ms ease;
}

.page-news .report:hover .report__index,
.page-news .report:focus-within .report__index {
  color: var(--signal);
  transform: translateX(2px);
}

.page-news .report__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

.page-news .report__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.3vw, 25px);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-news .report__text {
  margin: 0 0 12px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--news-soft);
}

.page-news .report__meta {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--news-dim);
}

.page-news .report__media {
  margin: 0;
  grid-column: 2 / -1;
}

.page-news .report__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ---------- 版本迭代 -------------------------------- */
.page-news .news-version {
  background: var(--carbon);
  padding-block: var(--news-block);
}

.page-news .news-version__figure {
  margin: 0 0 clamp(30px, 4vw, 52px);
  border: 1px solid var(--line);
  background: var(--ink-green);
}

.page-news .news-version__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-news .timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 0;
}

.page-news .timeline__spine {
  grid-column: 1;
  width: 2px;
  height: 100%;
  color: rgba(255, 106, 26, 0.42);
  justify-self: center;
}

.page-news .timeline__item:last-child .timeline__spine {
  color: rgba(255, 106, 26, 0.12);
}

.page-news .timeline__node {
  grid-column: 2;
  position: relative;
  border: 1px solid var(--line);
  background: var(--ink-green);
  transition: border-color 220ms ease, transform 220ms ease;
}

.page-news .timeline__node::before {
  content: "";
  position: absolute;
  left: -32px;
  top: 22px;
  width: 10px;
  height: 10px;
  background: var(--carbon);
  border: 2px solid var(--signal);
  transform: rotate(45deg);
}

.page-news .timeline__node:hover {
  border-color: var(--line-strong);
}

.page-news .timeline__node[open] {
  border-color: rgba(255, 106, 26, 0.55);
}

.page-news .timeline__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 24px;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

.page-news .timeline__summary::-webkit-details-marker {
  display: none;
}

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

.page-news .timeline__version {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  color: var(--signal);
  white-space: nowrap;
}

.page-news .timeline__title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-news .timeline__toggle {
  position: relative;
  width: 16px;
  height: 16px;
  justify-self: end;
}

.page-news .timeline__toggle::before,
.page-news .timeline__toggle::after {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
  background: var(--silver);
  transition: transform 200ms ease, background-color 200ms ease;
}

.page-news .timeline__toggle::after {
  transform: rotate(90deg);
}

.page-news .timeline__node[open] .timeline__toggle::after {
  transform: rotate(0deg);
}

.page-news .timeline__node[open] .timeline__toggle::before,
.page-news .timeline__node[open] .timeline__toggle::after {
  background: var(--signal);
}

.page-news .timeline__body {
  padding: 0 18px 18px 18px;
  border-top: 1px solid var(--news-track);
}

.page-news .timeline__body p {
  margin: 14px 0 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--news-soft);
}

/* ---------- 专题策划（浅色区） -------------------------------- */
.page-news .news-topics {
  background: var(--paper);
  color: var(--ink-green);
  padding-block: var(--news-block);
}

.page-news .news-topics .section__title {
  color: var(--ink-green);
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: 0.02em;
}

.page-news .news-topics .section__lead {
  color: rgba(14, 43, 35, 0.78);
  line-height: 1.78;
}

.page-news .news-topics__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
}

.page-news .news-topics__figure {
  margin: 0;
  border: 1px solid rgba(14, 43, 35, 0.18);
  align-self: start;
}

.page-news .news-topics__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-news .news-topics__figure .media-frame__caption {
  color: rgba(14, 43, 35, 0.66);
}

.page-news .topic-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-news .topic-card {
  position: relative;
  padding: 20px 20px 22px;
  background: #ffffff;
  border: 1px solid rgba(14, 43, 35, 0.16);
  border-left: 4px solid var(--signal);
}

.page-news .topic-card:nth-child(2) {
  border-left-color: var(--archive);
}

.page-news .topic-card:nth-child(3) {
  border-left-color: var(--amber);
}

.page-news .topic-card__tag {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--archive);
}

.page-news .topic-card:nth-child(3) .topic-card__tag {
  color: #8a5a06;
}

.page-news .topic-card__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 900;
  letter-spacing: 0.01em;
  color: var(--ink-green);
}

.page-news .topic-card__text {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(14, 43, 35, 0.78);
}

.page-news .topic-card__meta {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(14, 43, 35, 0.58);
}

/* ---------- 分类翻阅 -------------------------------- */
.page-news .news-cats {
  background: var(--deep-turf);
  padding-block: var(--news-block);
}

.page-news .cat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-news .cat-card {
  display: grid;
  gap: 6px;
  padding: 22px 22px 24px;
  background: rgba(19, 20, 23, 0.55);
  border: 1px solid var(--line);
  border-top: 3px solid var(--signal);
  color: var(--paper);
  text-decoration: none;
  transition: transform 220ms ease, border-color 220ms ease, background-color 220ms ease;
}

.page-news .cat-card--archive {
  border-top-color: var(--archive);
}

.page-news .cat-card--amber {
  border-top-color: var(--amber);
}

.page-news .cat-card:hover,
.page-news .cat-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  background: rgba(19, 20, 23, 0.78);
}

.page-news .cat-card__num {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 900;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: rgba(199, 206, 210, 0.45);
  letter-spacing: 0.03em;
}

.page-news .cat-card__name {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.page-news .cat-card__desc {
  font-size: 14px;
  line-height: 1.72;
  color: var(--news-soft);
}

.page-news .cat-card__count {
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

/* ---------- 更新节奏 -------------------------------- */
.page-news .news-cadence {
  background: var(--carbon);
  padding-block: var(--news-block);
}

.page-news .cadence {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-news .cadence__panel {
  padding: 24px 22px 26px;
  background: var(--ink-green);
  border: 1px solid var(--line);
  border-left: 4px solid var(--signal);
}

.page-news .cadence__panel--alt {
  background: var(--deep-turf);
  border-left-color: var(--archive);
}

.page-news .cadence__label {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  color: var(--signal);
}

.page-news .cadence__panel--alt .cadence__label {
  color: var(--amber);
}

.page-news .cadence__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 23px);
  font-weight: 900;
  line-height: 1.3;
  color: var(--paper);
}

.page-news .cadence__text {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--news-soft);
}

.page-news .news-cadence__links {
  margin-top: clamp(24px, 3vw, 36px);
  padding-top: 22px;
  border-top: 1px solid var(--news-track);
  display: grid;
  gap: 18px;
}

.page-news .news-cadence__note {
  margin: 0;
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--news-dim);
}

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

/* ---------- 响应式 -------------------------------- */
@media (min-width: 640px) {
  .page-news .report {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 14px 24px;
  }

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

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

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

@media (min-width: 900px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-news .report {
    grid-template-columns: 96px minmax(0, 1fr);
  }

  .page-news .report--feature {
    grid-template-columns: 96px minmax(0, 1fr) minmax(0, 42%);
    align-items: start;
  }

  .page-news .report--feature .report__media {
    grid-column: 3;
    grid-row: 1;
  }

  .page-news .report__media img {
    aspect-ratio: 8 / 5;
  }

  .page-news .news-topics__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-news .topic-cards {
    grid-template-columns: 1fr;
  }

  .page-news .news-cadence__links {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .page-news .timeline__summary {
    padding: 18px 22px;
  }

  .page-news .timeline__body {
    padding: 0 22px 20px 22px;
  }
}

@media (min-width: 1140px) {
  .page-news .topic-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .news-topics__grid {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .round-chip,
  .page-news .report,
  .page-news .report__index,
  .page-news .cat-card,
  .page-news .timeline__node,
  .page-news .timeline__toggle::before,
  .page-news .timeline__toggle::after {
    transition: none;
  }

  .page-news .round-chip:hover,
  .page-news .round-chip:focus-visible,
  .page-news .report:hover .report__index,
  .page-news .report:focus-within .report__index,
  .page-news .cat-card:hover,
  .page-news .cat-card:focus-visible {
    transform: none;
  }
}
<<<END>>>