.page-news {
  --news-rail: 228px;
  --news-gap: 56px;
  --news-line: rgba(30, 59, 49, 0.9);
  --news-soft: rgba(200, 255, 61, 0.08);
  background: var(--ink);
  color: var(--paper);
  padding-bottom: 80px;
  overflow-x: clip;
}

/* ---------- 顶部刊物头 ---------- */
.page-news .col-masthead {
  position: relative;
  padding: 26px 0 0;
}

.page-news .col-masthead__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: end;
}

.page-news .col-masthead__lead h1 {
  margin: 14px 0 16px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(32px, 7.4vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--paper);
  max-width: 18ch;
}

.page-news .col-masthead__lede {
  margin: 0;
  max-width: 40ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mute);
}

.page-news .col-masthead__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

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

.page-news .col-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-news .col-facts__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 12px;
  background: var(--ink-2);
}

.page-news .col-facts__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 28px;
  line-height: 1;
  color: var(--lime);
  letter-spacing: -0.02em;
}

.page-news .col-facts__lab {
  font-size: 12px;
  color: var(--mute-2);
  letter-spacing: 0.06em;
}

.page-news .col-masthead__line {
  display: block;
  height: 2px;
  margin-top: 30px;
  background: linear-gradient(90deg, var(--lime) 0%, rgba(200, 255, 61, 0.25) 46%, transparent 100%);
  transform: rotate(-2.2deg);
  transform-origin: left center;
}

/* ---------- 主体：左窄右宽 ---------- */
.page-news .col-body {
  padding-top: 40px;
}

.page-news .col-body__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
  align-items: start;
}

.page-news .col-rail {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--news-line);
}

.page-news .col-rail__title {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mute-2);
}

.page-news .col-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .col-tag {
  display: inline-block;
  padding: 7px 12px;
  font-size: 13px;
  color: var(--paper);
  text-decoration: none;
  border: 1px solid var(--line);
  background: var(--card);
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-news .col-tag:hover,
.page-news .col-tag:focus-visible {
  border-color: var(--lime);
  background: var(--card-hi);
}

.page-news .col-tag--lime {
  color: var(--lime);
  border-color: var(--lime);
  background: var(--news-soft);
  font-weight: 700;
}

.page-news .col-stages {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-news .col-stages__item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--mute);
}

.page-news .col-stages__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink);
  background: var(--lime);
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.page-news .col-rail__save {
  padding: 16px 16px 18px;
  border: 1px solid var(--line);
  background: var(--card);
  border-left: 3px solid var(--lime);
}

.page-news .col-rail__save-title {
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--paper);
}

.page-news .col-rail__save-text {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mute);
}

/* ---------- 条目流 ---------- */
.page-news .col-stream {
  display: flex;
  flex-direction: column;
  gap: 56px;
  min-width: 0;
}

.page-news .col-block__head {
  margin-bottom: 22px;
}

.page-news .col-block__head .section__title {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(24px, 4.6vw, 34px);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 10px;
  color: var(--paper);
}

.page-news .col-block__note {
  margin: 0;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mute-2);
}

.page-news .col-block--tail {
  padding-top: 6px;
}

/* 最新一期 */
.page-news .lead-story {
  position: relative;
  padding: 26px 22px 26px 26px;
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--lime);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.34);
}

.page-news .lead-story__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.page-news .lead-story__time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mute-2);
}

.page-news .lead-story__title {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(21px, 3.6vw, 28px);
  line-height: 1.35;
  color: var(--paper);
}

.page-news .lead-story__text {
  margin: 0 0 16px;
  max-width: 42ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mute);
}

.page-news .lead-story__points {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.page-news .lead-story__points li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
}

.page-news .lead-story__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 10px;
  height: 2px;
  background: var(--signal);
}

/* 配图 */
.page-news .col-inline-fig {
  margin: 0 0 24px;
}

/* 条目通用 */
.page-news .col-list {
  display: flex;
  flex-direction: column;
}

.page-news .col-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 22px 0;
  border-top: 1px solid var(--news-line);
  transition: background-color 0.22s var(--ease);
}

.page-news .col-item:last-child {
  border-bottom: 1px solid var(--news-line);
}

.page-news .col-item:hover,
.page-news .col-item:focus-within {
  background: rgba(18, 39, 31, 0.55);
}

.page-news .col-item__stamp {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mute-2);
}

.page-news .col-item__stage {
  padding: 3px 8px;
  color: var(--lime);
  border: 1px solid var(--lime);
  letter-spacing: 0.08em;
}

.page-news .col-item__read {
  color: var(--mute-2);
}

.page-news .col-item__title {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 19px;
  line-height: 1.42;
  color: var(--paper);
}

.page-news .col-item__sum {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mute);
  max-width: 44ch;
}

.page-news .col-item--tight {
  padding: 18px 0;
}

.page-news .col-item--tight .col-item__title {
  font-size: 17px;
}

/* 纸张摘记 */
.page-news .col-paper {
  position: relative;
  margin-top: 28px;
  padding: 22px 20px 24px;
  background: var(--sheet);
  color: var(--ink);
  border: 1px solid var(--line);
  box-shadow: 6px 6px 0 rgba(11, 31, 25, 0.9);
}

.page-news .col-paper::before {
  content: "";
  position: absolute;
  inset: 3px -3px -3px 3px;
  border: 1px solid var(--line);
  z-index: -1;
}

.page-news .col-paper .paper__label {
  display: inline-block;
  margin: 0 0 12px;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink);
  border: 1px solid var(--ink);
}

.page-news .col-paper p {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
  max-width: 40ch;
}

.page-news .col-paper .arrow-link {
  color: var(--ink);
}

/* 分区左右布局 */
.page-news .col-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: start;
}

.page-news .col-split__fig {
  margin: 0;
}

.page-news .col-split__list {
  display: flex;
  flex-direction: column;
}

/* 编辑推荐 */
.page-news .col-picks {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--news-line);
  border: 1px solid var(--news-line);
}

.page-news .col-picks__item {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 14px;
  padding: 18px 16px;
  background: var(--ink-2);
  transition: background-color 0.22s var(--ease);
}

.page-news .col-picks__item:hover {
  background: var(--card);
}

.page-news .col-picks__no {
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.2;
  color: var(--lime);
}

.page-news .col-picks__title {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 16px;
  line-height: 1.45;
  color: var(--paper);
}

.page-news .col-picks__text {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mute-2);
}

.page-news .col-save-bar {
  margin-top: 24px;
  padding: 20px 18px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, var(--card-hi), var(--ink-2) 70%);
}

.page-news .col-save-bar__text {
  margin: 0 0 16px;
  max-width: 44ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mute);
}

.page-news .col-save-bar__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 纠错与线索 */
.page-news .col-feedback {
  padding: 24px 20px;
  border: 1px dashed var(--line);
  background: var(--ink-2);
}

.page-news .col-feedback__text {
  margin: 0 0 14px;
  max-width: 44ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mute);
}

.page-news .col-feedback__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 20px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .col-item {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 22px;
    padding: 26px 0;
  }

  .page-news .col-item__stamp {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding-top: 2px;
  }

  .page-news .col-item:hover,
  .page-news .col-item:focus-within {
    padding-left: 14px;
  }

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

@media (min-width: 900px) {
  .page-news {
    padding-bottom: 104px;
  }

  .page-news .col-masthead {
    padding-top: 34px;
  }

  .page-news .col-masthead__grid {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 1fr);
    gap: 52px;
  }

  .page-news .col-body {
    padding-top: 56px;
  }

  .page-news .col-body__grid {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    gap: var(--news-gap);
  }

  .page-news .col-rail {
    position: sticky;
    top: 22px;
    border-bottom: none;
    border-right: 1px solid var(--news-line);
    padding-bottom: 0;
    padding-right: 22px;
  }

  .page-news .col-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.18fr);
    gap: 32px;
  }

  .page-news .col-split--reverse {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 1fr);
  }

  .page-news .col-split__fig {
    position: sticky;
    top: 24px;
  }

  .page-news .col-stream {
    gap: 72px;
  }
}

@media (min-width: 1180px) {
  .page-news {
    --news-rail: 252px;
    --news-gap: 72px;
  }

  .page-news .lead-story {
    padding: 34px 30px 34px 36px;
  }

  .page-news .col-feedback {
    padding: 30px 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .col-tag,
  .page-news .col-item,
  .page-news .col-picks__item {
    transition: none;
  }
}