.page-news {
  --news-promo: var(--cyan);
  --news-half: var(--orange);
  --news-round: var(--cyan-soft);
  background: var(--ink-900);
  color: var(--paper);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  display: grid;
  gap: 26px;
  padding-block: clamp(20px, 4vw, 40px) clamp(24px, 4vw, 48px);
}

.page-news .news-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-numeric);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-news .news-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(32px, 8vw, 58px);
  line-height: 1.06;
  letter-spacing: 0.01em;
}

.page-news .news-hero__lead {
  margin: 0 0 24px;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.page-news .news-hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-news .news-hero__fact dt {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 6px;
}

.page-news .news-hero__fact dd {
  margin: 0;
  font-size: 14px;
  color: var(--paper);
}

.page-news .news-hero__num {
  display: block;
  font-family: var(--font-numeric);
  font-weight: 500;
  font-size: clamp(34px, 9vw, 52px);
  line-height: 1;
  color: var(--cyan-soft);
  font-variant-numeric: tabular-nums;
}

.page-news .news-hero__media {
  position: relative;
  aspect-ratio: 16 / 8;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

/* ---------- 三个栏目 ---------- */
.page-news .news-columns__grid {
  display: grid;
  gap: 30px;
}

.page-news .news-columns__intro {
  margin: 16px 0 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .news-index {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 8px;
  border-left: 1px solid var(--line);
}

.page-news .news-index__item a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  font-size: 15px;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-news .news-index__item a:hover,
.page-news .news-index__item a:focus-visible {
  background: var(--glass);
  color: var(--cyan-soft);
}

.page-news .news-index__dot {
  width: 9px;
  height: 9px;
  flex: none;
  border-radius: 50%;
  background: var(--paper);
}

.page-news .news-index__item--promo .news-index__dot { background: var(--news-promo); }
.page-news .news-index__item--half .news-index__dot { background: var(--news-half); }
.page-news .news-index__item--round .news-index__dot { background: var(--news-round); }

.page-news .news-columns__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--dim);
}

.page-news .news-columns__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-news .news-columns__body {
  display: grid;
  gap: 22px;
}

.page-news .col-block {
  --col: var(--cyan);
  position: relative;
  padding: 20px 18px 22px;
  background: var(--ink-800);
  border-left: 4px solid var(--col);
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .col-block--promo { --col: var(--news-promo); }
.page-news .col-block--half { --col: var(--news-half); }
.page-news .col-block--round { --col: var(--news-round); }

.page-news .col-block__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 18px;
}

.page-news .col-block__num {
  font-family: var(--font-numeric);
  font-weight: 500;
  font-size: 44px;
  line-height: 0.9;
  color: var(--col);
  font-variant-numeric: tabular-nums;
}

.page-news .col-block__title {
  margin: 0 0 4px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.02em;
}

.page-news .col-block__meta {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

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

.page-news .col-block__media {
  position: relative;
  aspect-ratio: 3 / 2;
  border: 1px solid var(--line);
}

.page-news .col-block__body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper);
}

.page-news .col-block__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 7px;
}

.page-news .col-block__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .col-block__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 2px;
  background: var(--col);
}

/* ---------- 三条叙事线 ---------- */
.page-news .news-arcs__lead {
  margin: 16px 0 26px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .arc-list {
  display: grid;
  gap: 16px;
}

.page-news .arc {
  position: relative;
  padding: 24px 30px 24px 22px;
  background: linear-gradient(118deg, var(--ink-700), var(--ink-800) 72%);
  clip-path: polygon(0 0, 100% 0, calc(100% - 30px) 100%, 0 100%);
}

.page-news .arc::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--arc, var(--cyan)), transparent 78%);
}

.page-news .arc--promoted { --arc: var(--news-promo); }
.page-news .arc--contend { --arc: var(--news-half); }
.page-news .arc--survive { --arc: var(--news-round); }

.page-news .arc__idx {
  display: block;
  font-family: var(--font-numeric);
  font-weight: 500;
  font-size: 40px;
  line-height: 1;
  color: var(--arc);
  margin-bottom: 8px;
}

.page-news .arc__title {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 24px;
  letter-spacing: 0.02em;
}

.page-news .arc__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 专栏条目 ---------- */
.page-news .news-feed__head {
  display: grid;
  gap: 18px;
  margin-bottom: 22px;
}

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

.page-news .entry {
  --col: var(--cyan);
  position: relative;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.page-news .entry::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  height: 1px;
  width: 72px;
  background: linear-gradient(90deg, var(--col), transparent);
}

.page-news .entry[data-tags~="promo"] { --col: var(--news-promo); }
.page-news .entry[data-tags~="half"] { --col: var(--news-half); }
.page-news .entry[data-tags~="round"] { --col: var(--news-round); }

.page-news .entry:nth-child(n + 5) { padding: 16px 0; }
.page-news .entry:nth-child(n + 8) { padding: 13px 0; }

.page-news .entry__idx {
  font-family: var(--font-numeric);
  font-weight: 500;
  font-size: 22px;
  line-height: 1.2;
  color: var(--col);
  font-variant-numeric: tabular-nums;
}

.page-news .entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
}

.page-news .tag {
  display: inline-block;
  padding: 3px 9px;
  font-size: 12px;
  letter-spacing: 0.04em;
  border: 1px solid currentColor;
}

.page-news .tag--promo { color: var(--news-promo); }
.page-news .tag--half { color: var(--news-half); }
.page-news .tag--round { color: var(--news-round); }

.page-news .entry__stage {
  font-family: var(--font-numeric);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-news .entry__title {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.35;
  letter-spacing: 0.01em;
}

.page-news .entry__summary {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .entry__extra {
  display: block;
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--cyan-soft);
}

/* ---------- 归档 ---------- */
.page-news .news-archive__grid {
  display: grid;
  gap: 28px;
}

.page-news .news-archive__copy p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .year-axis {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 138px;
  padding: 12px 4px 0;
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  overscroll-behavior-x: contain;
}

.page-news .year-tick {
  flex: 1 0 34px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  height: 100%;
  gap: 8px;
}

.page-news .year-tick__bar {
  width: 100%;
  max-width: 20px;
  min-height: 6px;
  background: linear-gradient(180deg, var(--ink-700), var(--line));
  border-top: 2px solid var(--line);
}

.page-news .year-tick__label {
  font-family: var(--font-numeric);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--dim);
}

.page-news .year-tick--current .year-tick__bar {
  background: linear-gradient(180deg, var(--cyan), var(--ink-700));
  border-top-color: var(--cyan-soft);
}

.page-news .year-tick--current .year-tick__label {
  color: var(--cyan);
}

/* ---------- 读者来信 ---------- */
.page-news .news-letters__panel {
  display: grid;
  gap: 26px;
  padding: clamp(22px, 4vw, 36px);
}

.page-news .news-letters__copy p {
  margin: 16px 0 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .news-letters__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-news .news-letters__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper);
}

.page-news .news-letters__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 10px;
  height: 2px;
  background: var(--orange);
}

.page-news .news-letters__act {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: 20px;
  background: var(--ink-800);
  border-left: 4px solid var(--orange);
}

.page-news .news-letters__key {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-news .news-letters__mail {
  font-family: var(--font-numeric);
  font-size: clamp(18px, 4.4vw, 24px);
  font-weight: 500;
  color: var(--cyan-soft);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid var(--line);
}

.page-news .news-letters__hint {
  margin: 0 0 8px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .news-letters__hint a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-news .entry {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 20px;
    padding: 22px 0;
  }

  .page-news .entry__idx { font-size: 28px; }

  .page-news .arc-list { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }

  .page-news .news-archive__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); align-items: end; }

  .page-news .news-letters__panel { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); align-items: start; }
}

@media (min-width: 900px) {
  .page-news .news-hero {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
    align-items: center;
    gap: 44px;
  }

  .page-news .news-hero__media { aspect-ratio: 16 / 7; }

  .page-news .col-block__split {
    flex-direction: row;
    align-items: flex-start;
    gap: 24px;
  }

  .page-news .col-block__media { flex: 1 1 42%; }
  .page-news .col-block__body { flex: 1 1 58%; }

  .page-news .col-block:nth-child(even) .col-block__media { order: 2; }

  .page-news .entry__extra { display: none; }

  .page-news .entry:hover .entry__extra,
  .page-news .entry:focus-within .entry__extra { display: block; }
}

@media (min-width: 1040px) {
  .page-news .news-columns__grid {
    grid-template-columns: 262px minmax(0, 1fr);
    gap: 46px;
  }

  .page-news .news-columns__rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
  }

  .page-news .news-feed__head {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 24px;
  }
}

@media (max-width: 420px) {
  .page-news .news-hero__facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-news .entry { grid-template-columns: 34px minmax(0, 1fr); gap: 10px; }
  .page-news .year-axis { height: 118px; }
}
<<<END>>>