/* ===== 内容专栏 / page-news ===== */
.page-news {
  --news-rail-w: 216px;
  --news-stick: 64px;
}

/* --- 首屏 --- */
.page-news .news-hero {
  padding-top: 36px;
  border-bottom: 3px solid var(--ink);
  background: linear-gradient(180deg, var(--sand) 0%, var(--sand) 70%, rgba(227, 214, 196, 0.5) 100%);
}

.page-news .news-hero__title {
  margin: 14px 0 18px;
  max-width: 20ch;
}

.page-news .news-hero__lede {
  max-width: 62ch;
}

.page-news .news-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 24px;
  margin: 28px 0 32px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-news .news-facts__item {
  min-width: 0;
}

.page-news .news-facts__item dt {
  margin: 0 0 6px;
  color: var(--slate);
}

.page-news .news-facts__item dd {
  margin: 0;
  font-size: 15px;
  color: var(--greige);
}

.page-news .news-facts__num {
  margin-right: 4px;
  font-size: 26px;
  line-height: 1;
  color: var(--ink);
}

.page-news .news-hero__figure {
  margin: 0 0 -3px;
}

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

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

.page-news .news-hero__figure img {
  aspect-ratio: 16 / 9;
}

.page-news .news-split__figure img {
  aspect-ratio: 4 / 3;
}

.page-news .news-archive__figure img {
  aspect-ratio: 2 / 1;
}

/* --- 主体栅格 --- */
.page-news .news-board {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding: 44px var(--pad) 76px;
}

/* --- 左侧索引栏 --- */
.page-news .news-rail {
  padding-top: 16px;
  border-top: 3px solid var(--ink);
}

.page-news .news-tags {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-news .news-tags__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  font-size: 15px;
  color: var(--ink);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: background-color var(--t) var(--ease), border-color var(--t) var(--ease), transform var(--t) var(--ease);
}

.page-news .news-tags__link:hover {
  background: var(--gold-soft);
  border-left-color: var(--ink);
  transform: translateX(2px);
}

.page-news .news-tags__link:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

.page-news .news-tags__n {
  margin-left: auto;
  font-size: 12px;
  color: var(--slate);
}

.page-news .news-tags__dot {
  flex: none;
  width: 9px;
  height: 9px;
  border: 1px solid var(--ink);
  background: transparent;
}

.page-news .news-tags__dot--ochre { background: var(--ochre); }
.page-news .news-tags__dot--gum { background: var(--gum); }
.page-news .news-tags__dot--gold { background: var(--gold); }

.page-news .news-rail__note {
  margin-top: 28px;
  padding: 16px;
  border: 1px solid var(--line);
  background: rgba(227, 214, 196, 0.42);
  font-size: 14px;
  line-height: 1.75;
  color: var(--greige);
}

.page-news .news-rail__note p {
  margin: 0;
}

.page-news .news-rail__note .kicker {
  margin-bottom: 8px;
  color: var(--ink);
}

/* --- 右侧条目流 --- */
.page-news .news-stream {
  min-width: 0;
  display: grid;
  gap: 60px;
}

.page-news .news-group {
  min-width: 0;
}

.page-news .news-group__bar {
  position: sticky;
  top: var(--news-stick);
  z-index: 4;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0 12px;
  background: var(--sand);
  border-top: 3px solid var(--ink);
  border-bottom: 1px solid var(--line);
}

.page-news .news-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  letter-spacing: -0.01em;
  line-height: 1.2;
  color: var(--ink);
}

.page-news .news-group__count {
  flex: none;
  font-size: 12px;
  color: var(--slate);
}

.page-news .news-group__desc {
  margin: 16px 0 6px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--greige);
}

/* --- 条目列表 --- */
.page-news .entry-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 16px 14px 16px 18px;
  border-left: 3px solid transparent;
  transition: transform var(--t) var(--ease), border-left-color var(--t) var(--ease), background-color var(--t) var(--ease);
}

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

.page-news .entry:hover {
  transform: translateX(4px);
  border-left-color: var(--gold);
  background-color: rgba(216, 166, 60, 0.09);
}

.page-news .entry__title {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--ink);
}

.page-news .entry__excerpt {
  margin: 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--greige);
}

.page-news .entry__meta {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--slate);
}

.page-news .entry__time {
  margin-left: auto;
  color: var(--slate);
}

.page-news .etag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: 11px;
  letter-spacing: 0.1em;
  white-space: nowrap;
  border: 1px solid var(--ink);
  color: var(--ink);
}

.page-news .etag--ochre {
  background: var(--ochre);
  border-color: var(--ochre);
  color: var(--sand);
}

.page-news .etag--gum {
  background: var(--gum);
  border-color: var(--gum);
  color: var(--sand);
}

.page-news .etag--gold {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
}

/* --- 栏目解读分栏 --- */
.page-news .news-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  margin-top: 20px;
}

.page-news .news-split__figure {
  margin: 0;
}

/* --- 月度摘要面板 --- */
.page-news .digest-panel {
  margin-top: 22px;
  padding: 26px 22px 24px;
  background: var(--gum);
  color: var(--sand);
  border: 3px solid var(--ink);
  box-shadow: var(--shadow-hard);
}

.page-news .digest-panel__lead {
  margin: 0 0 24px;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--line);
}

.page-news .digest-figures {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-news .digest-figure {
  padding-top: 14px;
  border-top: 3px solid var(--gold);
}

.page-news .digest-figure__num {
  display: block;
  font-size: 44px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold);
}

.page-news .digest-figure__label {
  display: block;
  margin: 10px 0 6px;
  font-size: 15px;
  color: var(--sand);
}

.page-news .digest-figure__note {
  display: block;
  font-size: 13px;
  line-height: 1.65;
  color: var(--line);
  opacity: 0.72;
}

.page-news .digest-panel__foot {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(227, 214, 196, 0.3);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--line);
}

/* --- 专栏归档 --- */
.page-news .archive-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .archive-item {
  min-width: 0;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
}

.page-news .archive-item__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 16px 14px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: background-color var(--t) var(--ease);
}

.page-news .archive-item__link:hover {
  background: var(--gold-soft);
}

.page-news .archive-item__link:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: -3px;
}

.page-news .archive-item__name {
  font-size: 16px;
}

.page-news .archive-item__count {
  margin-left: auto;
  font-size: 13px;
  color: var(--slate);
  transition: color var(--t) var(--ease);
}

.page-news .archive-item__link:hover .archive-item__count {
  color: var(--ochre);
}

.page-news .archive-item__note {
  margin: 0;
  padding: 12px 16px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--greige);
}

.page-news .news-archive__figure {
  margin: 32px 0 0;
}

.page-news .news-archive__sub {
  margin: 20px 0 0;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--greige);
}

/* --- 行内链接 --- */
.page-news .news-link {
  color: var(--ochre);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-news .news-link:hover {
  color: var(--ink);
  background: var(--gold-soft);
}

.page-news .news-link:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

/* --- 滚动显现 --- */
.page-news [data-reveal].reveal-pending {
  opacity: 0;
}

.page-news [data-reveal].is-revealed {
  opacity: 1;
  transition: opacity 260ms var(--ease);
}

/* ===== 响应式 ===== */
@media (min-width: 640px) {
  .page-news .news-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    max-width: 660px;
  }
}

@media (min-width: 768px) {
  .page-news .entry {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: baseline;
    column-gap: 24px;
    padding: 18px 16px 18px 20px;
  }

  .page-news .entry__title {
    grid-column: 1;
    grid-row: 1;
  }

  .page-news .entry__meta {
    grid-column: 2;
    grid-row: 1;
    white-space: nowrap;
  }

  .page-news .entry__excerpt {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .page-news .entry__time {
    margin-left: 0;
  }

  .page-news .digest-figures {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }

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

@media (min-width: 900px) {
  .page-news .news-split {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-news .news-split__figure {
    position: sticky;
    top: calc(var(--news-stick) + 72px);
  }
}

@media (min-width: 1024px) {
  .page-news .news-board {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    gap: 56px;
  }

  .page-news .news-rail {
    position: sticky;
    top: 88px;
    align-self: start;
  }

  .page-news .news-group__desc {
    margin-top: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry,
  .page-news .news-tags__link,
  .page-news .archive-item__link,
  .page-news .archive-item__count,
  .page-news [data-reveal].is-revealed {
    transition: none;
  }

  .page-news .entry:hover,
  .page-news .news-tags__link:hover {
    transform: none;
  }
}