.page-news {
  --news-rail: 300px;
  --news-gap: 48px;
  --news-radius: 0;
  background: var(--paper);
  color: var(--ink);
}

/* ===== 首屏 ===== */
.page-news .news-head {
  padding-top: 28px;
}

.page-news .news-head__inner {
  padding-bottom: 34px;
}

.page-news .news-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 30px;
  line-height: 1.16;
  letter-spacing: -0.01em;
  margin: 12px 0 18px;
  max-width: 20em;
}

.page-news .news-lead {
  max-width: var(--measure);
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
}

/* ===== 全宽数据带 ===== */
.page-news .databand {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  padding-inline: 24px;
  border-radius: 0;
}

.page-news .databand__item {
  padding: 18px 14px 18px 0;
  border-top: 1px solid rgba(198, 203, 208, 0.28);
}

.page-news .databand__num {
  display: block;
  font-size: 22px;
  font-weight: 700;
  color: var(--lime);
  letter-spacing: 0.01em;
}

.page-news .databand__label {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--silver);
}

/* ===== 首图 ===== */
.page-news .news-hero {
  margin: 32px 0 0;
  border-top: 3px solid var(--ink);
  border-bottom: 1px solid var(--silver);
  padding-top: 14px;
}

.page-news .news-hero .figure__media {
  border: 3px solid var(--ink);
  box-shadow: var(--shadow-hard);
}

/* ===== 简报 ===== */
.page-news .news-brief {
  border-top: 1px solid var(--silver);
  padding-top: 30px;
  margin-top: 42px;
}

.page-news .news-brief__grid {
  gap: 26px 40px;
  margin-top: 18px;
}

/* ===== 编辑部双栏 ===== */
.page-news .news-desk {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
  margin-top: 46px;
  padding-bottom: 8px;
}

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

.page-news .news-tagwall {
  margin: 0 0 26px;
}

.page-news .news-tagwall .figure__media {
  border: 3px solid var(--ink);
  aspect-ratio: 3 / 2;
  box-shadow: var(--shadow-hard-sm);
}

/* ===== 分类索引 ===== */
.page-news .rail {
  border-top: 3px solid var(--ink);
  padding-top: 14px;
}

.page-news .rail__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clay);
  margin: 0 0 12px;
}

.page-news .rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .rail__item {
  border-bottom: 1px solid var(--silver);
  padding: 11px 0;
}

.page-news .rail__link {
  display: block;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.3;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color var(--t-fast) ease, border-color var(--t-fast) ease, transform var(--t-fast) ease;
}

.page-news .rail__link:hover,
.page-news .rail__link:focus-visible {
  color: var(--pitch);
  border-bottom-color: var(--pitch);
  transform: translateX(4px);
}

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

.page-news .rail__desc {
  margin: 5px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: #5c6266;
}

/* ===== 条目流 ===== */
.page-news .news-desk__main {
  min-width: 0;
}

.page-news .feed__lead {
  margin: 0 0 6px;
  padding-bottom: 14px;
  border-bottom: 3px solid var(--ink);
}

.page-news .feed__group {
  padding-top: 28px;
  scroll-margin-top: 96px;
}

.page-news .feed__group-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.12em;
  color: var(--ink);
}

.page-news .feed__group-title::before {
  content: "";
  width: 12px;
  height: 12px;
  background: var(--clay);
  flex: none;
}

.page-news .feed {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: feednum;
}

.page-news .feed-item {
  display: block;
  padding: 18px 0 16px;
  border-top: 1px solid var(--silver);
  border-left: 4px solid transparent;
  padding-left: 0;
  cursor: default;
  transition: border-color var(--t-fast) ease, padding-left var(--t-fast) ease, background-color var(--t-fast) ease;
}

.page-news .feed-item:hover,
.page-news .feed-item:focus,
.page-news .feed-item:focus-visible {
  border-left-color: var(--moss);
  padding-left: 16px;
  background: rgba(110, 139, 90, 0.07);
  outline: none;
}

.page-news .feed-item:focus-visible {
  box-shadow: inset 0 0 0 2px var(--lime);
}

.page-news .feed-item__meta {
  margin: 0 0 7px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--clay);
  font-variant-numeric: tabular-nums;
}

.page-news .feed-item__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 21px;
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-news .feed-item__sum {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: #4a5054;
  transition: max-height var(--t) ease, opacity var(--t) ease, margin-top var(--t) ease;
}

.page-news .feed-item__sum a {
  color: var(--pitch);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .feed-item:hover .feed-item__sum,
.page-news .feed-item:focus .feed-item__sum,
.page-news .feed-item:focus-within .feed-item__sum {
  max-height: 14em;
  opacity: 1;
  margin-top: 9px;
}

/* 条目流中段配图 */
.page-news .news-insert {
  margin: 34px 0 6px;
  border-top: 3px solid var(--ink);
  padding-top: 12px;
}

.page-news .news-insert .figure__media {
  border: 3px solid var(--ink);
  aspect-ratio: 3 / 2;
  box-shadow: var(--shadow-hard-sm);
}

/* ===== 形势推演 ===== */
.page-news .board {
  margin-top: 56px;
  padding: 40px 0 46px;
  background: var(--deep);
  color: var(--paper);
}

.page-news .board .h2 {
  color: var(--paper);
  margin-top: 0;
}

.page-news .board .prose {
  color: #d8dde2;
  max-width: var(--measure);
}

.page-news .board__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}

.page-news .board__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .board__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.75;
  color: #d8dde2;
}

.page-news .board__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  background: var(--lime);
}

.page-news .board__list strong {
  color: var(--paper);
}

.page-news .spark {
  display: block;
  width: 100%;
  max-width: 360px;
  height: auto;
  margin-top: 26px;
  padding: 14px;
  border: 2px solid rgba(198, 203, 208, 0.4);
  background: rgba(245, 242, 233, 0.04);
}

.page-news .spark polyline:first-of-type {
  stroke: var(--moss);
}

.page-news .spark polyline:last-of-type {
  stroke: var(--clay);
}

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

.page-news .news-chart .figure__media {
  border: 2px solid rgba(198, 203, 208, 0.45);
  aspect-ratio: 10 / 7;
}

.page-news .news-chart .figure__cap {
  color: var(--silver);
}

.page-news .board__side .note {
  margin-top: 18px;
  color: #d8dde2;
}

/* ===== 固定栏目 ===== */
.page-news .series {
  margin-top: 52px;
}

.page-news .series__intro {
  max-width: var(--measure);
  margin-top: 12px;
}

.page-news .series__grid {
  gap: 22px;
  margin-top: 22px;
}

.page-news .byline {
  border-top: 4px solid var(--pitch);
  padding-top: 16px;
}

.page-news .byline .card__meta {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--clay);
  letter-spacing: 0.06em;
  margin: 0 0 8px;
}

.page-news .byline .card__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.3;
}

.page-news .byline .prose {
  font-size: 15px;
  line-height: 1.72;
  margin: 0;
}

/* ===== 订阅提醒 ===== */
.page-news .remind {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  padding: 32px 26px;
  border: 3px solid var(--ink);
  box-shadow: var(--shadow-hard);
}

.page-news .remind__title {
  margin: 0 0 12px;
  color: var(--paper);
}

.page-news .remind__prose {
  margin: 0;
  max-width: 44em;
  color: #d8dde2;
}

.page-news .remind__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

.page-news .remind .btn--ghost {
  border-color: var(--silver);
  color: var(--paper);
}

.page-news .remind .btn--ghost:hover,
.page-news .remind .btn--ghost:focus-visible {
  border-color: var(--lime);
  color: var(--lime);
}

/* ===== 平板及以上 ===== */
@media (min-width: 720px) {
  .page-news .news-title {
    font-size: 46px;
    line-height: 1.1;
  }

  .page-news .news-lead {
    font-size: 17px;
  }

  .page-news .databand {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    padding-inline: max(24px, calc((100% - 1180px) / 2));
  }

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

  .page-news .databand__num {
    font-size: 30px;
  }

  .page-news .feed-item__title {
    font-size: 26px;
  }

  .page-news .remind {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 38px 36px;
  }
}

/* ===== 桌面 ===== */
@media (min-width: 1000px) {
  .page-news .news-head {
    padding-top: 40px;
  }

  .page-news .news-desk {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    gap: var(--news-gap);
    margin-top: 58px;
  }

  .page-news .news-desk__side {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-news .board__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 52px;
  }

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

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

/* ===== 窄屏：条目摘要直接展开，避免依赖悬停 ===== */
@media (max-width: 719px) {
  .page-news .feed-item__sum {
    max-height: none;
    opacity: 1;
    margin-top: 9px;
  }

  .page-news .news-hero .figure__media,
  .page-news .news-insert .figure__media,
  .page-news .news-tagwall .figure__media {
    box-shadow: var(--shadow-hard-sm);
  }

  .page-news .remind {
    box-shadow: var(--shadow-hard-sm);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .rail__link,
  .page-news .feed-item,
  .page-news .feed-item__sum {
    transition: none;
  }
}