.page-news {
  --news-on-paper: #0B1F1A;
  --news-green-on-paper: #16705C;
  --news-pad-y: 56px;
  color: var(--text);
  font-family: var(--font-sans);
  padding-bottom: 72px;
  overflow-x: hidden;
}

.page-news .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-news .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--line-500);
}

.page-news .breadcrumb__link {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-news .breadcrumb__link:hover {
  color: var(--cyan-200);
  border-bottom-color: var(--cyan-400);
}

/* ---------- 首屏 ---------- */

.page-news .topic-hero {
  padding-block: 24px 8px;
}

.page-news .topic-hero__grid {
  display: grid;
  gap: 28px;
}

.page-news .eyebrow {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
  font-family: var(--font-mono);
  text-transform: uppercase;
}

.page-news .topic-hero__title {
  margin: 0;
  font-size: clamp(1.85rem, 6.4vw, 3.3rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 800;
  max-width: 20ch;
}

.page-news .lede {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  max-width: 36em;
}

.page-news .topic-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-news .topic-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--line-500);
  border-radius: 0;
  background: transparent;
  color: var(--text);
  font-size: 14px;
  line-height: 1.2;
  text-decoration: none;
  transition: border-color 0.16s var(--ease), background 0.16s var(--ease), color 0.16s var(--ease);
}

.page-news .topic-chip__freq {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-news .topic-chip:hover,
.page-news .topic-chip:focus-visible {
  border-color: var(--cyan-400);
  color: var(--cyan-200);
}

.page-news .topic-chip.is-active {
  border-color: var(--cyan-400);
  background: var(--cyan-400);
  color: var(--ink-900);
}

.page-news .topic-chip.is-active .topic-chip__freq {
  color: rgba(11, 31, 26, 0.7);
}

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

.page-news .hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(104px, 1fr));
  gap: 16px;
  margin: 26px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line-500);
}

.page-news .hero-stats__item {
  display: flex;
  flex-direction: column-reverse;
  gap: 4px;
}

.page-news .hero-stats__label {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-news .hero-stats__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--cyan-400);
  line-height: 1.1;
}

.page-news .figure {
  margin: 0;
  position: relative;
}

.page-news .figure__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: brightness(0.88) saturate(0.95);
}

.page-news .figure__cap {
  margin-top: 10px;
  padding-left: 10px;
  border-left: 1px solid var(--cyan-400);
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

.page-news .topic-hero__figure .figure__img {
  aspect-ratio: 16 / 9;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

/* ---------- 章节骨架 ---------- */

.page-news .topic-section {
  padding-block: var(--news-pad-y);
}

.page-news .topic-section__head {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  margin-bottom: 26px;
}

.page-news .section__index {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan-400);
}

.page-news .section__title {
  margin: 4px 0 0;
  font-size: clamp(1.4rem, 4.4vw, 2.1rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
  font-weight: 800;
}

.page-news .topic-section__lede {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 40em;
}

.page-news .tag {
  display: inline-block;
  padding: 2px 8px;
  border: 1px solid var(--line-500);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan-200);
}

/* ---------- 本周合辑横条 ---------- */

.page-news .week-banner {
  display: grid;
  gap: 24px;
  padding: 24px;
  background: var(--ink-700);
  border-left: 3px solid var(--cyan-400);
  background-image: repeating-linear-gradient(135deg, rgba(61, 242, 192, 0.05) 0 1px, transparent 1px 10px);
}

.page-news .week-banner__ver {
  font-size: 52px;
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--cyan-400);
}

.page-news .week-banner__ver small {
  display: block;
  margin-top: 8px;
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-news .week-banner__kicker {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-news .week-banner__title {
  margin: 0;
  font-size: clamp(1.15rem, 3.4vw, 1.5rem);
  line-height: 1.3;
  font-weight: 700;
}

.page-news .week-banner__desc {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
}

.page-news .week-banner__time {
  margin: 14px 0 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-news .num-time {
  font-family: var(--font-mono);
  color: var(--orange);
}

.page-news .week-banner__figure .figure__img {
  aspect-ratio: 4 / 3;
  clip-path: polygon(18px 0, 100% 0, 100% 100%, 0 100%, 0 18px);
}

.page-news .week-accordion {
  margin-top: 20px;
}

.page-news .accordion__item {
  border-top: 1px solid var(--line-500);
}

.page-news .accordion__trigger {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 0;
  border: 0;
  background: none;
  color: var(--cyan-200);
  font-family: inherit;
  font-size: 14px;
  letter-spacing: 0.04em;
  text-align: left;
  cursor: pointer;
}

.page-news .accordion__trigger:hover {
  color: var(--cyan-400);
}

.page-news .accordion__mark {
  font-size: 14px;
  color: var(--cyan-400);
}

.page-news .accordion__panel {
  padding: 2px 0 18px;
}

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

.page-news .week-list__item {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-500);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

.page-news .week-list__item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-news .week-list__num {
  font-size: 12px;
  color: var(--muted);
  padding-top: 3px;
}

/* ---------- 条目流 ---------- */

.page-news .topic-stream {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-500);
}

.page-news .stream-item {
  display: grid;
  gap: 10px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-500);
  transition: border-color 0.16s var(--ease);
}

.page-news .stream-item:hover {
  border-bottom-color: var(--cyan-400);
}

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

.page-news .stream-item__time {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-news .stream-item__title {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.4;
  font-weight: 700;
  letter-spacing: -0.005em;
}

.page-news .stream-item__desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
}

.page-news .stream-item__more {
  margin: 10px 0 0;
  padding-left: 12px;
  border-left: 1px solid var(--line-500);
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .topic-moves__figure,
.page-news .topic-schedule__figure {
  margin-top: 26px;
}

.page-news .topic-moves__figure .figure__img,
.page-news .topic-schedule__figure .figure__img {
  aspect-ratio: 4 / 3;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

/* ---------- 版本说明（浅色反白） ---------- */

.page-news .topic-releases {
  background: var(--paper);
  color: var(--news-on-paper);
  padding-block: var(--news-pad-y);
}

.page-news .topic-releases .eyebrow,
.page-news .topic-releases .section__index {
  color: var(--news-green-on-paper);
}

.page-news .topic-releases .topic-section__lede {
  color: #3A544C;
}

.page-news .release-list {
  display: grid;
  border-top: 1px solid rgba(11, 31, 26, 0.18);
}

.page-news .release-item {
  display: grid;
  gap: 6px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(11, 31, 26, 0.18);
}

.page-news .release-item__ver {
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--news-green-on-paper);
}

.page-news .release-item__title {
  margin: 0;
  font-size: 1rem;
  line-height: 1.4;
  font-weight: 700;
  color: var(--news-on-paper);
}

.page-news .release-item__desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: #3A544C;
}

.page-news .release-foot {
  margin: 24px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: #3A544C;
}

.page-news .release-foot__link {
  color: var(--news-green-on-paper);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  margin-left: 4px;
}

.page-news .release-foot__link:hover {
  color: var(--news-on-paper);
}

/* ---------- 回访 ---------- */

.page-news .topic-revisit {
  background: var(--ink-800);
  border-top: 1px solid var(--line-500);
}

.page-news .topic-revisit__grid {
  display: grid;
  gap: 28px;
}

.page-news .topic-revisit__text {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
  max-width: 36em;
}

.page-news .topic-revisit__links {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-500);
  align-self: start;
}

.page-news .topic-revisit__links li {
  border-bottom: 1px solid var(--line-500);
}

.page-news .topic-revisit__link {
  display: block;
  padding: 14px 0;
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--cyan-200);
  text-decoration: none;
  transition: color 0.16s var(--ease), padding-left 0.16s var(--ease);
}

.page-news .topic-revisit__link::before {
  content: "→";
  margin-right: 10px;
  color: var(--cyan-400);
}

.page-news .topic-revisit__link:hover {
  color: var(--cyan-400);
  padding-left: 6px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-news {
    --news-pad-y: 72px;
  }

  .page-news .topic-section__head {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 20px;
    margin-bottom: 34px;
  }

  .page-news .section__index {
    font-size: 34px;
  }

  .page-news .stream-item {
    grid-template-columns: 3fr 9fr;
    gap: 32px;
    padding: 24px 0;
  }

  .page-news .stream-item__rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding-top: 3px;
  }

  .page-news .week-banner {
    grid-template-columns: 96px minmax(0, 1fr);
    padding: 32px;
    gap: 28px;
  }

  .page-news .week-banner__figure {
    grid-column: 1 / -1;
    max-width: 420px;
  }

  .page-news .release-item {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 28px;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-news {
    --news-pad-y: 88px;
  }

  .page-news .topic-hero {
    padding-block: 36px 12px;
  }

  .page-news .topic-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
  }

  .page-news .topic-hero__figure {
    margin-top: 8px;
  }

  .page-news .week-banner {
    grid-template-columns: 110px minmax(0, 1fr) 300px;
    align-items: start;
  }

  .page-news .week-banner__figure {
    grid-column: auto;
    max-width: none;
  }

  .page-news .topic-moves__figure,
  .page-news .topic-schedule__figure {
    max-width: 560px;
    margin-left: auto;
  }

  .page-news .topic-stream--schedule .stream-item {
    grid-template-columns: 2fr 10fr;
  }

  .page-news .topic-revisit__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 56px;
    align-items: start;
  }
}

@media (min-width: 1000px) and (hover: hover) {
  .page-news .stream-item__more {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    margin-top: 0;
    padding-left: 12px;
    transition: max-height 0.26s var(--ease), opacity 0.26s var(--ease), margin-top 0.26s var(--ease);
  }

  .page-news .stream-item:hover .stream-item__more,
  .page-news .stream-item:focus-within .stream-item__more {
    max-height: 8em;
    opacity: 1;
    margin-top: 10px;
  }
}