.page-news {
  --nz-version: #45E0D2;
  --nz-guide: #F3B24C;
  --nz-multi: #A992F0;
  --nz-sub: #7FCCFF;
  position: relative;
  overflow-x: clip;
}

/* ---------- 页面纵向轨道 ---------- */
.page-news .column-track {
  display: none;
  position: absolute;
  top: 0;
  bottom: 0;
  left: calc(50% + 640px);
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(69, 224, 210, 0.22) 8%, rgba(243, 178, 76, 0.22) 92%, transparent);
  pointer-events: none;
}

/* ---------- 首屏 ---------- */
.page-news .column-hero {
  padding-block: 24px 52px;
}

.page-news .column-hero .breadcrumbs {
  margin-bottom: 26px;
}

.page-news .hero-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
}

.page-news .hero-copy h1 {
  margin: 12px 0 18px;
  font-family: var(--font-head);
  font-size: clamp(30px, 7vw, 56px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--text-strong);
}

.page-news .hero-copy .lede {
  max-width: 54ch;
  margin: 0;
  font-size: var(--fs-4);
  line-height: 1.75;
  color: var(--text);
}

.page-news .hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 14px;
}

.page-news .ctag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 15px;
  border-radius: var(--radius-pill);
  font-size: var(--fs-2);
  letter-spacing: 0.08em;
  text-decoration: none;
  color: var(--neon-cyan);
  background: rgba(69, 224, 210, 0.09);
  border: 1px solid rgba(69, 224, 210, 0.36);
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.page-news .ctag:hover {
  transform: translateY(-2px);
  background: rgba(69, 224, 210, 0.18);
  border-color: rgba(69, 224, 210, 0.7);
}

.page-news .ctag-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  display: inline-block;
}

.page-news .ctag--version {
  color: var(--nz-version);
  background: rgba(69, 224, 210, 0.09);
  border-color: rgba(69, 224, 210, 0.36);
}
.page-news .ctag--guide {
  color: var(--nz-guide);
  background: rgba(243, 178, 76, 0.09);
  border-color: rgba(243, 178, 76, 0.36);
}
.page-news .ctag--multi {
  color: var(--nz-multi);
  background: rgba(169, 146, 240, 0.11);
  border-color: rgba(169, 146, 240, 0.38);
}
.page-news .ctag--sub {
  color: var(--nz-sub);
  background: rgba(127, 204, 255, 0.10);
  border-color: rgba(127, 204, 255, 0.36);
}

.page-news .hero-note {
  margin: 0;
  font-size: var(--fs-3);
  color: var(--text-dim);
}

.page-news .hero-figure {
  margin: 0;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid rgba(69, 224, 210, 0.22);
  box-shadow: 0 30px 70px -34px rgba(69, 224, 210, 0.4);
}

.page-news .hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

/* ---------- 通用小标题 ---------- */
.page-news .section-head {
  max-width: 700px;
  margin-bottom: 34px;
}

.page-news .section-head h2 {
  margin: 10px 0 12px;
  font-family: var(--font-head);
  font-size: clamp(24px, 3.4vw, 36px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--text-strong);
}

.page-news .section-head__sub {
  margin: 0;
  font-size: var(--fs-3);
  line-height: 1.75;
  color: var(--text-dim);
}

.page-news .section-head--split {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px 28px;
  max-width: none;
}

.page-news .section-head--split .section-head__sub {
  max-width: 40ch;
}

/* ---------- 四条内容线 ---------- */
.page-news .topic-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-news .topic-card {
  --tc: var(--neon-cyan);
  position: relative;
  padding: 22px 20px 26px;
  border-radius: var(--radius-m);
  background: linear-gradient(180deg, rgba(43, 27, 82, 0.6), rgba(16, 26, 61, 0.72));
  border: 1px solid rgba(154, 166, 196, 0.14);
  border-top: 2px solid var(--tc);
}

.page-news .topic-num {
  display: block;
  font-size: var(--fs-2);
  letter-spacing: 0.2em;
  color: var(--tc);
}

.page-news .topic-card h3 {
  margin: 12px 0 8px;
  font-family: var(--font-head);
  font-size: var(--fs-5);
  font-weight: 700;
  color: var(--text-strong);
}

.page-news .topic-card p {
  margin: 0;
  font-size: var(--fs-3);
  line-height: 1.72;
  color: var(--text-dim);
}

.page-news .topic-card--version { --tc: var(--nz-version); }
.page-news .topic-card--guide { --tc: var(--nz-guide); }
.page-news .topic-card--multi { --tc: var(--nz-multi); }
.page-news .topic-card--sub { --tc: var(--nz-sub); }

/* ---------- 置顶专题 ---------- */
.page-news .feature-panel {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  padding: 26px 22px;
  border-radius: var(--radius-l);
  background: linear-gradient(140deg, rgba(43, 27, 82, 0.9), rgba(16, 26, 61, 0.7));
  border: 1px solid var(--line-gold);
  overflow: hidden;
}

.page-news .feature-panel::before {
  content: "";
  position: absolute;
  top: -70px;
  right: -70px;
  width: 230px;
  height: 230px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(243, 178, 76, 0.24), transparent 70%);
  pointer-events: none;
}

.page-news .feature-panel__copy {
  position: relative;
}

.page-news .feature-panel__copy h2 {
  margin: 10px 0 14px;
  font-family: var(--font-head);
  font-size: clamp(24px, 3.6vw, 36px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--text-strong);
}

.page-news .feature-panel__copy p {
  margin: 0;
  max-width: 52ch;
  font-size: var(--fs-3);
  line-height: 1.78;
  color: var(--text);
}

.page-news .feature-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin: 18px 0 22px;
  font-size: var(--fs-2);
  color: var(--warm-gold);
}

/* ---------- 可展开面板 ---------- */
.page-news .panel-group {
  border-radius: var(--radius-m);
  background: rgba(6, 10, 28, 0.55);
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-news .panel-trigger {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 16px 18px;
  background: transparent;
  border: 0;
  color: var(--text-strong);
  text-align: left;
  cursor: pointer;
  font: inherit;
  font-size: var(--fs-3);
  transition: background 0.2s ease;
}

.page-news .panel-trigger:hover {
  background: rgba(69, 224, 210, 0.07);
}

.page-news .panel-trigger:focus-visible {
  outline: 2px solid var(--neon-cyan);
  outline-offset: -2px;
}

.page-news .panel-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 24px;
  padding: 0 8px;
  border-radius: var(--radius-pill);
  background: rgba(243, 178, 76, 0.14);
  color: var(--warm-gold);
  font-size: var(--fs-1);
  letter-spacing: 0.14em;
  flex: 0 0 auto;
}

.page-news .panel-label {
  flex: 1 1 auto;
  font-weight: 600;
}

.page-news .panel-caret {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-top: -4px;
  border-right: 2px solid var(--neon-cyan);
  border-bottom: 2px solid var(--neon-cyan);
  transform: rotate(45deg);
  transition: transform 0.2s ease, margin 0.2s ease;
}

.page-news .panel-trigger[aria-expanded="true"] .panel-caret {
  transform: rotate(-135deg);
  margin-top: 4px;
}

.page-news .panel-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.25s ease;
}

.page-news .panel-trigger[aria-expanded="true"] + .panel-body {
  grid-template-rows: 1fr;
}

.page-news .panel-body-inner {
  overflow: hidden;
  min-height: 0;
}

.page-news .panel-body-inner p,
.page-news .panel-body-inner ol {
  margin: 0;
  padding: 0 18px 20px;
  font-size: var(--fs-3);
  line-height: 1.78;
  color: var(--text-dim);
}

.page-news .outline-list {
  list-style: none;
  counter-reset: none;
}

.page-news .outline-list li {
  display: flex;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px dashed rgba(154, 166, 196, 0.16);
}

.page-news .outline-list li:last-child {
  border-bottom: 0;
}

.page-news .outline-list .mono {
  color: var(--warm-gold);
  font-size: var(--fs-2);
  flex: 0 0 auto;
}

/* ---------- 条目流 ---------- */
.page-news .stream-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-news .stream-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-m);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(16, 26, 61, 0.78), rgba(6, 10, 28, 0.7));
  overflow: hidden;
  transition: transform 0.24s ease, border-color 0.24s ease;
}

.page-news .stream-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-cyan);
}

.page-news .stream-card__figure {
  margin: 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: rgba(43, 27, 82, 0.4);
}

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

.page-news .stream-card__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
}

.page-news .stream-card__body h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: var(--fs-5);
  font-weight: 700;
  line-height: 1.34;
  letter-spacing: -0.01em;
  color: var(--text-strong);
}

.page-news .stream-card__body p {
  margin: 0;
  font-size: var(--fs-3);
  line-height: 1.74;
  color: var(--text-dim);
}

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

.page-news .topic-tag {
  display: inline-block;
  padding: 4px 11px;
  border-radius: var(--radius-pill);
  font-size: var(--fs-1);
  letter-spacing: 0.14em;
  border: 1px solid currentColor;
  flex: 0 0 auto;
}

.page-news .topic-tag--version {
  color: var(--nz-version);
  background: rgba(69, 224, 210, 0.08);
}
.page-news .topic-tag--guide {
  color: var(--nz-guide);
  background: rgba(243, 178, 76, 0.08);
}
.page-news .topic-tag--multi {
  color: var(--nz-multi);
  background: rgba(169, 146, 240, 0.11);
}
.page-news .topic-tag--sub {
  color: var(--nz-sub);
  background: rgba(127, 204, 255, 0.10);
}

.page-news .stream-time {
  font-size: var(--fs-1);
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.page-news .stream-card--lead {
  background: linear-gradient(160deg, rgba(43, 27, 82, 0.92), rgba(16, 26, 61, 0.72));
  border-color: var(--line-cyan);
}

/* ---------- 更新节奏 ---------- */
.page-news .column-rhythm {
  padding-block: 56px;
}

.page-news .rhythm-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: start;
}

.page-news .rhythm-copy h2 {
  margin: 10px 0 16px;
  font-family: var(--font-head);
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--text-strong);
}

.page-news .rhythm-copy p {
  margin: 0 0 22px;
  max-width: 48ch;
  font-size: var(--fs-3);
  line-height: 1.78;
  color: var(--text-dim);
}

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

.page-news .rhythm-list li {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 16px;
  align-items: baseline;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .rhythm-day {
  font-size: var(--fs-2);
  letter-spacing: 0.12em;
  color: var(--neon-cyan);
}

.page-news .rhythm-list p {
  margin: 0;
  font-size: var(--fs-3);
  line-height: 1.72;
  color: var(--text);
}

/* ---------- 归档 ---------- */
.page-news .archive-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

/* ---------- 共建 ---------- */
.page-news .contrib-panel {
  border-radius: var(--radius-l);
  padding: 30px 22px;
  background: var(--paper-cream);
  color: var(--ink-brown);
  box-shadow: 0 30px 60px -34px rgba(0, 0, 0, 0.6);
}

.page-news .contrib-panel h2 {
  margin: 12px 0 14px;
  font-family: var(--font-head);
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--ink-brown);
}

.page-news .contrib-panel p {
  margin: 0;
  max-width: 62ch;
  font-size: var(--fs-3);
  line-height: 1.78;
  color: rgba(28, 20, 32, 0.78);
}

.page-news .eyebrow--paper {
  color: #A4491F;
}

.page-news .contrib-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-news .btn-ghost--paper {
  color: var(--ink-brown);
  border-color: rgba(28, 20, 32, 0.3);
}

.page-news .btn-ghost--paper:hover {
  border-color: rgba(28, 20, 32, 0.7);
  background: rgba(28, 20, 32, 0.06);
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-news .column-hero {
    padding-block: 32px 64px;
  }

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

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

  .page-news .stream-card--lead {
    grid-column: 1 / -1;
  }

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

  .page-news .contrib-panel {
    padding: 44px 40px;
  }

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

/* ---------- 桌面 ---------- */
@media (min-width: 1000px) {
  .page-news .column-track {
    display: block;
  }

  .page-news .hero-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 52px;
  }

  .page-news .topic-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .page-news .feature-panel {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
    padding: 44px;
    align-items: center;
  }

  .page-news .stream-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-news .stream-card--lead {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: stretch;
  }

  .page-news .stream-card--lead .stream-card__figure {
    aspect-ratio: auto;
    height: 100%;
    min-height: 280px;
  }

  .page-news .stream-card--lead .stream-card__body {
    padding: 34px;
    justify-content: center;
  }

  .page-news .stream-card--lead .stream-card__body p {
    font-size: var(--fs-4);
  }

  .page-news .rhythm-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 56px;
  }

  .page-news .archive-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-news .rhythm-list li {
    grid-template-columns: 90px 1fr;
    gap: 24px;
  }
}

@media (min-width: 1200px) {
  .page-news .stream-card--lead .stream-card__body {
    padding: 42px;
  }
}

/* ---------- 无障碍与降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news .stream-card,
  .page-news .ctag,
  .page-news .panel-caret,
  .page-news .panel-body,
  .page-news .panel-trigger {
    transition: none;
  }

  .page-news .stream-card:hover,
  .page-news .ctag:hover {
    transform: none;
  }
}
<<<END>>>