.page-news {
  --news-muted-paper: #4A5768;
  --news-rule: rgba(220, 213, 198, .16);
  display: block;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 20px 16px 80px;
  background: var(--ink-950);
  color: var(--text-100);
  overflow-x: hidden;
}

/* ---------- hero ---------- */
.page-news .news-hero {
  padding: 20px 0 34px;
  margin-bottom: 44px;
  border-bottom: 1px solid var(--ink-600);
}

.page-news .news-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--signal-500);
}

.page-news .news-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: 30px;
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -.02em;
  color: #FFFFFF;
}

.page-news .news-hero__lead {
  margin: 0 0 22px;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-100);
}

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

.page-news .news-hero__meta li {
  padding: 4px 10px;
  border: 1px solid var(--ink-600);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--text-400);
}

/* ---------- 头条 ---------- */
.page-news .news-feature { margin-bottom: 58px; }

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

.page-news .feature-visual {
  margin: 0;
  padding: 10px;
  border: 1px solid var(--ink-600);
  background: var(--ink-800);
}

.page-news .feature-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-news .feature-visual figcaption {
  padding: 10px 2px 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-400);
}

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

.page-news .feature-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  padding: 18px 16px;
  background: var(--paper-50);
  color: var(--ink-on-paper);
  border-left: 5px solid var(--signal-500);
  box-shadow: 6px 6px 0 var(--news-rule);
}

.page-news .feature-item--flow { border-left-color: var(--flow-500); }
.page-news .feature-item--ember { border-left-color: var(--ember-600); }

.page-news .feature-index {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--signal-500);
}

.page-news .feature-item--flow .feature-index { color: var(--flow-700); }
.page-news .feature-item--ember .feature-index { color: var(--ember-600); }

.page-news .feature-body { min-width: 0; }

.page-news .feature-tag {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--news-muted-paper);
}

.page-news .feature-item h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.01em;
}

.page-news .feature-item h3 a {
  color: var(--ink-on-paper);
  text-decoration: none;
  border-bottom: 2px solid var(--signal-500);
}

.page-news .feature-item--flow h3 a { border-bottom-color: var(--flow-500); }
.page-news .feature-item--ember h3 a { border-bottom-color: var(--ember-600); }

.page-news .feature-item h3 a:hover { border-bottom-width: 3px; }

.page-news .feature-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--news-muted-paper);
}

/* ---------- 栏目索引 ---------- */
.page-news .news-columns { margin-bottom: 58px; }

.page-news .columns-grid {
  display: grid;
  gap: 1px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  background: var(--ink-600);
  border: 1px solid var(--ink-600);
}

.page-news .column-card {
  padding: 20px 18px 22px;
  background: var(--ink-800);
  border-top: 4px solid var(--ink-600);
}

.page-news .column-card--signal { border-top-color: var(--signal-500); }
.page-news .column-card--flow { border-top-color: var(--flow-500); }
.page-news .column-card--ember { border-top-color: var(--ember-600); }
.page-news .column-card--paper { border-top-color: var(--paper-200); }

.page-news .column-code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  margin-bottom: 12px;
  border: 1px solid var(--ink-600);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--text-400);
}

.page-news .column-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: #FFFFFF;
}

.page-news .column-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-400);
}

.page-news .columns-visual {
  margin: 0;
  border: 1px solid var(--ink-600);
  overflow: hidden;
}

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

/* ---------- 条目流 ---------- */
.page-news .news-stream { margin-bottom: 58px; }

.page-news .stream-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink-600);
}

.page-news .stream-item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 12px;
  padding: 20px 8px 20px 14px;
  border-bottom: 1px solid var(--ink-600);
  border-left: 3px solid var(--ink-600);
  transition: background-color .22s ease, border-left-color .22s ease;
}

.page-news .stream-item--signal { border-left-color: var(--signal-500); }
.page-news .stream-item--flow { border-left-color: var(--flow-500); }
.page-news .stream-item--ember { border-left-color: var(--ember-600); }
.page-news .stream-item--paper { border-left-color: var(--paper-200); }

.page-news .stream-item:hover { background: rgba(20, 37, 60, .55); }

.page-news .stream-badge {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--ink-600);
}

.page-news .stream-item--signal .stream-badge { color: var(--signal-500); }
.page-news .stream-item--flow .stream-badge { color: var(--flow-500); }
.page-news .stream-item--ember .stream-badge { color: var(--ember-600); }
.page-news .stream-item--paper .stream-badge { color: var(--paper-200); }

.page-news .stream-main { min-width: 0; }

.page-news .stream-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 9px;
}

.page-news .stream-time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--text-400);
}

.page-news .stream-item h3 {
  margin: 0 0 9px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.33;
  letter-spacing: -.01em;
  color: #FFFFFF;
}

.page-news .stream-text {
  margin: 0 0 10px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-100);
}

.page-news .stream-links {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
}

.page-news .stream-links a {
  color: var(--flow-500);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 191, 143, .45);
}

.page-news .stream-links a:hover { border-bottom-color: var(--flow-500); }

.page-news .stream-figure {
  margin: 16px 0 0;
  padding: 8px;
  border: 1px solid var(--ink-600);
  background: var(--ink-800);
}

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

.page-news .stream-figure figcaption {
  padding: 8px 2px 0;
  font-size: 12px;
  line-height: 1.65;
  color: var(--text-400);
}

/* ---------- 专题系列 ---------- */
.page-news .news-series { margin-bottom: 58px; }

.page-news .tablist {
  margin-bottom: 20px;
}

.page-news .series-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .series-item {
  padding: 18px 18px 18px 20px;
  border: 1px solid var(--ink-600);
  border-left: 3px solid var(--flow-500);
  background: var(--ink-800);
}

.page-news .series-item--planned { border-left-color: var(--signal-500); }

.page-news .series-state {
  display: inline-block;
  margin-bottom: 10px;
  padding: 2px 8px;
  border: 1px solid currentColor;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
}

.page-news .series-state--done { color: var(--flow-500); }
.page-news .series-state--planned { color: var(--signal-500); }

.page-news .series-item h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: #FFFFFF;
}

.page-news .series-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-400);
}

/* ---------- 更新与反馈 ---------- */
.page-news .news-cadence { margin-bottom: 16px; }

.page-news .cadence-panel {
  padding: 26px 20px 28px;
  background: var(--paper-50);
  color: var(--ink-on-paper);
  border: 1px solid var(--paper-200);
  box-shadow: 10px 10px 0 rgba(39, 64, 95, .55);
}

.page-news .cadence-panel .section-kicker { color: var(--ember-600); }

.page-news .cadence-panel .section-title {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -.02em;
  color: var(--ink-on-paper);
}

.page-news .cadence-list {
  display: grid;
  gap: 10px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.page-news .cadence-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--news-muted-paper);
}

.page-news .cadence-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  background: var(--signal-500);
}

.page-news .cadence-list a {
  color: var(--flow-700);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-news .cadence-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news {
    padding: 30px 28px 96px;
  }

  .page-news .news-hero h1 { font-size: 38px; }

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

  .page-news .stream-item {
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 18px;
    padding: 24px 16px 24px 20px;
  }

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

  .page-news .cadence-panel { padding: 32px 30px 34px; }
}

@media (min-width: 1024px) {
  .page-news {
    padding: 40px 40px 120px;
  }

  .page-news .news-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 1fr);
    column-gap: 48px;
    row-gap: 0;
    align-items: end;
    padding: 26px 0 44px;
    margin-bottom: 56px;
  }

  .page-news .news-hero__kicker { grid-column: 1; }
  .page-news .news-hero h1 { grid-column: 1; font-size: 46px; }

  .page-news .news-hero__lead {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: end;
    margin-bottom: 0;
    font-size: 17px;
  }

  .page-news .news-hero__meta {
    grid-column: 1 / -1;
    margin-top: 28px;
  }

  .page-news .feature-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
    gap: 30px;
    align-items: start;
  }

  .page-news .feature-item {
    padding: 20px 20px;
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 16px;
  }

  .page-news .columns-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }

  .page-news .stream-item {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 24px;
    padding: 28px 24px 28px 24px;
  }

  .page-news .stream-badge { font-size: 22px; }
  .page-news .stream-item h3 { font-size: 20px; }

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

  .page-news .cadence-panel {
    padding: 40px 44px 42px;
    box-shadow: 14px 14px 0 rgba(39, 64, 95, .55);
  }

  .page-news .cadence-panel .section-title { font-size: 26px; }
}
<<<END>>>