.page-news {
  --news-rail-w: 320px;
  --news-card-pad: 20px;
  --news-body-text: #cbd6cc;
  --news-soft-line: rgba(49, 64, 58, 0.9);
}

.page-news .section {
  padding-block: clamp(48px, 7vw, 88px);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding-top: clamp(8px, 2vw, 20px);
}

.page-news .news-hero-grid {
  display: grid;
  gap: 32px;
}

.page-news .news-hero-main h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(34px, 7vw, 64px);
  font-weight: 800;
  line-height: 1.03;
  letter-spacing: -0.025em;
  color: var(--cream);
  max-width: 16ch;
}

.page-news .news-lede {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 2.1vw, 17px);
  line-height: 1.78;
  color: var(--news-body-text);
}

.page-news .news-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-news .news-board {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  align-self: end;
}

.page-news .news-board-cell {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px;
  background: var(--panel);
}

.page-news .news-board-num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 5vw, 32px);
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
}

.page-news .news-board-label {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- 方向索引 ---------- */
.page-news .channel-track {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .channel-card {
  position: relative;
  padding: 20px 18px 20px 56px;
  background: var(--panel);
  transition: background 200ms var(--ease);
}

.page-news .channel-card:hover {
  background: var(--panel-2);
}

.page-news .channel-idx {
  position: absolute;
  left: 18px;
  top: 21px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--blue);
  letter-spacing: 0.06em;
}

.page-news .channel-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-news .channel-scope {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

.page-news .channel-rate {
  margin: 12px 0 0;
  font-size: 12px;
  color: var(--lime-soft);
}

.page-news .channel-rate .num {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--lime);
}

/* ---------- 头条 ---------- */
.page-news .featured-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 28px;
  align-items: start;
}

.page-news .featured-lead {
  background: var(--panel);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: border-color 200ms var(--ease), transform 200ms var(--ease);
}

.page-news .featured-lead:hover {
  border-color: var(--lime);
  transform: translateY(-2px);
}

.page-news .featured-media {
  margin: 0;
}

.page-news .featured-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.8) brightness(0.85);
}

.page-news .featured-body {
  padding: 22px var(--news-card-pad) 26px;
}

.page-news .note-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.page-news .note-time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.page-news .featured-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.6vw, 30px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-news .featured-desc {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--news-body-text);
}

.page-news .featured-points {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--news-soft-line);
}

.page-news .featured-points li {
  position: relative;
  padding: 11px 0 11px 22px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  border-bottom: 1px solid var(--news-soft-line);
}

.page-news .featured-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 10px;
  height: 2px;
  background: var(--lime);
}

.page-news .featured-body .btn {
  margin-top: 20px;
}

.page-news .featured-side {
  display: flex;
  flex-direction: column;
  padding: 24px var(--news-card-pad) 22px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-top: 3px solid var(--red);
  transition: border-color 200ms var(--ease), transform 200ms var(--ease);
}

.page-news .featured-side:hover {
  border-color: var(--lime);
  transform: translateY(-2px);
}

.page-news .featured-side-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 3vw, 25px);
  font-weight: 700;
  line-height: 1.26;
  letter-spacing: -0.015em;
  color: var(--cream);
}

.page-news .featured-side-desc {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--news-body-text);
}

.page-news .featured-side-foot {
  margin: 18px 0 0;
  padding-top: 14px;
  font-size: 12px;
  color: var(--muted);
  border-top: 1px solid var(--news-soft-line);
}

.page-news .featured-side-foot .num {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--lime);
}

.page-news .featured-side .btn {
  margin-top: auto;
  align-self: flex-start;
  padding-top: 0;
}

/* ---------- 主体双栏 ---------- */
.page-news .news-body {
  display: grid;
  gap: 40px;
  padding-block: clamp(8px, 2vw, 24px) clamp(48px, 7vw, 80px);
}

.page-news .stream-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-bottom: 16px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

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

.page-news .note-stream {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-items: start;
}

.page-news .note-card {
  padding: 20px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  transition: border-color 200ms var(--ease), transform 200ms var(--ease);
}

.page-news .note-card:hover {
  border-color: var(--lime);
  transform: translateY(-2px);
}

.page-news .note-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.005em;
  color: var(--cream);
}

.page-news .note-desc {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .note-card--wide {
  background: var(--panel-2);
}

.page-news .note-card--wide .note-title {
  font-size: clamp(19px, 2.6vw, 22px);
  line-height: 1.32;
}

.page-news .note-card--wide .note-desc {
  font-size: 14px;
  color: var(--news-body-text);
}

.page-news .note-card--inset {
  border-left: 3px solid var(--blue);
}

.page-news .note-inset-media {
  margin: 16px 0 0;
}

.page-news .note-inset-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.75) brightness(0.9);
}

.page-news .stream-more {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .stream-more a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 61, 0.45);
}

.page-news .stream-more a:hover {
  color: var(--lime-soft);
}

/* ---------- 侧栏 ---------- */
.page-news .news-rail {
  display: grid;
  gap: 16px;
}

.page-news .rail-block {
  padding: 20px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.page-news .rail-media {
  margin: -20px -18px 18px;
}

.page-news .rail-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .rail-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--lime);
}

.page-news .rail-desc {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .rail-links,
.page-news .rail-series {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--news-soft-line);
}

.page-news .rail-links li,
.page-news .rail-series li {
  border-bottom: 1px solid var(--news-soft-line);
}

.page-news .rail-links a,
.page-news .rail-series a {
  display: block;
  padding: 10px 0;
  font-size: 13px;
  color: var(--cream);
  text-decoration: none;
  transition: color 160ms var(--ease);
}

.page-news .rail-links a:hover,
.page-news .rail-series a:hover {
  color: var(--lime);
}

.page-news .rail-series .num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--blue);
  margin-right: 8px;
}

.page-news .rail-cta {
  background: var(--panel-2);
  border-left: 3px solid var(--lime);
}

/* ---------- 系列专题 ---------- */
.page-news .series-layout {
  display: grid;
  gap: 24px;
  margin-top: 28px;
}

.page-news .series-cover {
  margin: 0;
  border: 1px solid var(--line);
}

.page-news .series-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.8) brightness(0.88);
}

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

.page-news .series-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 18px;
  background: var(--panel);
  transition: background 200ms var(--ease);
}

.page-news .series-item:hover {
  background: var(--panel-2);
}

.page-news .series-no {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--lime);
}

.page-news .series-item:nth-child(2) .series-no {
  color: var(--blue);
}

.page-news .series-item:nth-child(3) .series-no {
  color: var(--red);
}

.page-news .series-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-news .series-desc {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--news-body-text);
}

.page-news .series-meta {
  margin: 12px 0 0;
  padding-top: 10px;
  font-size: 12px;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  color: var(--muted);
  border-top: 1px dashed var(--line);
}

/* ---------- 作者矩阵 ---------- */
.page-news .author-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .author-card {
  position: relative;
  padding: 16px 16px 16px 18px;
  background: var(--panel);
  transition: background 180ms var(--ease);
}

.page-news .author-card:hover {
  background: var(--panel-2);
}

.page-news .author-mark {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--blue);
}

.page-news .author-name {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--cream);
}

.page-news .author-scope {
  margin: 6px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

.page-news .author-rate {
  margin: 10px 0 0;
  font-size: 11.5px;
  color: var(--lime-soft);
}

.page-news .author-rate .num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--lime);
}

.page-news .authors-foot {
  margin: 22px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .authors-foot a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 61, 0.45);
}

/* ---------- 订阅 ---------- */
.page-news .subscribe-panel {
  display: grid;
  gap: 28px;
  padding: clamp(24px, 4vw, 40px);
  background: var(--cream);
  color: var(--ink);
  border-radius: 4px;
}

.page-news .subscribe-panel .eyebrow {
  color: #5b6a5e;
}

.page-news .subscribe-title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-news .subscribe-lead {
  margin: 14px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.78;
  color: #37423a;
}

.page-news .subscribe-ways {
  display: grid;
  gap: 16px;
}

.page-news .subscribe-way {
  padding: 20px 18px;
  background: rgba(10, 13, 11, 0.05);
  border: 1px solid rgba(10, 13, 11, 0.18);
  border-top: 3px solid var(--ink);
}

.page-news .subscribe-way-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.page-news .subscribe-way-desc {
  margin: 10px 0 16px;
  font-size: 13px;
  line-height: 1.75;
  color: #37423a;
}

.page-news .subscribe-way .btn--primary {
  background: var(--ink);
  color: var(--lime);
  border-color: var(--ink);
}

.page-news .subscribe-way .btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: rgba(10, 13, 11, 0.45);
}

.page-news .subscribe-way .btn--ghost:hover {
  border-color: var(--ink);
  color: var(--ink);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-board {
    grid-template-columns: repeat(4, 1fr);
  }

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

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

  .page-news .note-card--wide {
    grid-column: 1 / -1;
  }

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

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

@media (min-width: 860px) {
  .page-news .news-hero-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 56px;
    align-items: end;
  }

  .page-news .channel-track {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-news .channel-card {
    padding: 22px 16px 22px 18px;
  }

  .page-news .channel-idx {
    position: static;
    display: block;
    margin-bottom: 10px;
  }

  .page-news .featured-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 24px;
  }

  .page-news .series-layout {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 24px;
    align-items: start;
  }

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

  .page-news .subscribe-panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: 40px;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-news .news-body {
    grid-template-columns: minmax(0, 1fr) var(--news-rail-w);
    gap: 48px;
    align-items: start;
  }

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

  .page-news .author-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-news .author-card {
    padding: 14px 12px 14px 14px;
  }
}

@media (min-width: 1200px) {
  .page-news {
    --news-rail-w: 340px;
  }

  .page-news .note-card {
    padding: 22px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .note-card,
  .page-news .featured-lead,
  .page-news .featured-side,
  .page-news .channel-card,
  .page-news .author-card,
  .page-news .series-item {
    transition: none;
  }

  .page-news .note-card:hover,
  .page-news .featured-lead:hover,
  .page-news .featured-side:hover {
    transform: none;
  }
}
<<<END>>>