.page-news {
  --news-line: rgba(36, 67, 95, 0.72);
  --news-line-soft: rgba(36, 67, 95, 0.42);
  --news-panel: #10263D;
  --news-deep: #0B1B2E;
  --news-glow: rgba(39, 225, 193, 0.12);
  position: relative;
  padding-bottom: clamp(3rem, 8vw, 6rem);
  color: var(--paper);
  background:
    radial-gradient(1100px 520px at 82% -8%, rgba(39, 225, 193, 0.13), transparent 66%),
    radial-gradient(900px 500px at 0% 22%, rgba(242, 184, 75, 0.06), transparent 70%);
}

.page-news a:focus-visible,
.page-news summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  padding-top: 1.5rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.page-news .breadcrumb__link {
  color: var(--muted);
  text-decoration: none;
}

.page-news .breadcrumb__link:hover {
  color: var(--cyan);
}

.page-news .breadcrumb__sep {
  color: var(--ink-700);
}

.page-news .breadcrumb__current {
  color: var(--paper);
}

.journal-hero {
  padding-block: clamp(1.8rem, 6vw, 4.5rem) clamp(2rem, 5vw, 3.5rem);
  border-bottom: 1px solid var(--news-line);
}

.journal-hero__grid {
  display: grid;
  gap: 1.75rem;
}

.issue-mark {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding-left: 1rem;
  border-left: 2px solid var(--amber);
  min-width: 0;
}

.issue-mark__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--amber);
}

.issue-mark__number {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(4.2rem, 18vw, 10.5rem);
  line-height: 0.8;
  letter-spacing: -0.08em;
  color: var(--cyan);
  text-shadow: 0 0 42px rgba(39, 225, 193, 0.28);
}

.issue-mark__note {
  max-width: 16rem;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--muted);
}

.journal-hero__body {
  min-width: 0;
}

.journal-hero .eyebrow {
  color: var(--cyan);
}

.journal-hero__title {
  margin: 0.6rem 0 1.2rem;
  max-width: 13ch;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8.5vw, 6.4rem);
  line-height: 0.98;
  letter-spacing: -0.045em;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.journal-hero__lead {
  max-width: 56ch;
  margin: 0;
  font-size: clamp(1rem, 1.8vw, 1.12rem);
  line-height: 1.9;
  color: var(--muted);
}

.journal-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.journal-shell {
  display: grid;
  gap: 2.5rem;
  padding-top: clamp(2rem, 5vw, 3.5rem);
}

.journal-index {
  min-width: 0;
}

.journal-index__title {
  margin: 0 0 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--amber);
}

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

.journal-index__item {
  border-bottom: 1px solid var(--news-line);
}

.journal-index__link {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.6rem;
  align-items: baseline;
  min-height: 44px;
  padding: 0.78rem 0;
  color: var(--paper);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.journal-index__link::before {
  content: "";
  width: 0.38rem;
  height: 0.38rem;
  margin-top: 0.38rem;
  border-radius: 50%;
  background: var(--ink-700);
  transition: background var(--dur) var(--ease);
}

.journal-index__link:hover,
.journal-index__link:focus-visible {
  color: var(--cyan);
}

.journal-index__link:hover::before,
.journal-index__link:focus-visible::before {
  background: var(--cyan);
}

.journal-index__label {
  font-size: 0.95rem;
  line-height: 1.4;
}

.journal-index__count {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  line-height: 1.4;
  color: var(--muted);
  text-align: right;
}

.journal-stream {
  min-width: 0;
}

.journal-section {
  padding-block: clamp(2.2rem, 5vw, 3.5rem);
  border-bottom: 1px solid var(--news-line);
}

.journal-section:first-child {
  padding-top: 0;
}

.journal-section .section__head {
  margin-bottom: 1.8rem;
}

.journal-section .section__title {
  margin-bottom: 0.7rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4.4vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.journal-section .section__lead {
  max-width: 68ch;
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
}

.journal-section .eyebrow {
  color: var(--amber);
}

.lead-entry {
  display: grid;
  gap: 1.25rem;
}

.lead-entry__body {
  min-width: 0;
}

.lead-entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem 0.9rem;
  margin-bottom: 0.6rem;
  font-size: 0.78rem;
  color: var(--muted);
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.lead-entry__title {
  margin: 0 0 0.8rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4.6vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.lead-entry__text {
  max-width: 68ch;
  margin: 0 0 0.85rem;
  color: var(--muted);
  line-height: 1.9;
}

.lead-entry__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.1rem;
}

.lead-entry__figure {
  min-width: 0;
}

.entry-list {
  margin: 1.8rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--news-line);
}

.entry {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--news-line);
}

.entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.8rem;
  font-size: 0.75rem;
  color: var(--muted);
}

.entry__title {
  margin: 0.45rem 0 0.35rem;
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  line-height: 1.35;
  font-weight: 600;
}

.entry__summary {
  max-width: 68ch;
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.entry-details {
  margin-top: 0.7rem;
}

.entry-details__summary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  color: var(--cyan);
  font-size: 0.85rem;
  cursor: pointer;
  list-style: none;
}

.entry-details__summary::-webkit-details-marker {
  display: none;
}

.entry-details__summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1rem;
}

.entry-details[open] .entry-details__summary::after {
  content: "−";
}

.entry-details__body {
  margin-top: 0.35rem;
  padding: 0.25rem 0 0.25rem 1rem;
  border-left: 1px solid var(--news-line);
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.85;
}

.entry-details__body p {
  margin: 0.5rem 0 0;
}

.version-timeline {
  margin: 0;
  padding: 0 0 0 1.25rem;
  list-style: none;
  border-left: 1px solid var(--news-line);
}

.version-item {
  position: relative;
  padding: 0 0 1.5rem 0.2rem;
}

.version-item:last-child {
  padding-bottom: 0;
}

.version-item::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 0.45rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(242, 184, 75, 0.12);
}

.version-item__stamp {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted);
}

.version-item__title {
  margin: 0.35rem 0 0.25rem;
  font-size: 1.1rem;
  line-height: 1.4;
  font-weight: 600;
}

.version-item__text {
  max-width: 68ch;
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.topic-feature {
  display: grid;
  gap: 1.25rem;
  margin-bottom: 1.75rem;
}

.topic-feature__body {
  min-width: 0;
}

.topic-feature__body p {
  max-width: 62ch;
  margin: 0 0 1rem;
  color: var(--muted);
  line-height: 1.9;
}

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

.topic-item {
  display: grid;
  gap: 0.3rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--news-line);
}

.topic-item__stage {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.topic-item__title {
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.4;
}

.topic-item__text {
  max-width: 68ch;
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.note-grid {
  display: grid;
  gap: 1.5rem;
}

.note-grid__body {
  min-width: 0;
}

.note-steps {
  display: grid;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.note-step {
  display: grid;
  grid-template-columns: 2.2rem 1fr;
  gap: 0.75rem;
  align-items: start;
}

.note-step__num {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  line-height: 1;
  color: var(--cyan);
}

.note-step__title {
  margin: 0 0 0.25rem;
  font-size: 1rem;
  line-height: 1.4;
}

.note-step__text {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.8;
}

.note-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  margin-top: 1.25rem;
  font-size: 0.9rem;
}

.note-links a {
  color: var(--cyan);
  text-underline-offset: 4px;
}

.rhythm-grid {
  display: grid;
  gap: 1.5rem;
}

.rhythm-grid__body {
  min-width: 0;
}

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

.rhythm-item {
  display: grid;
  gap: 0.3rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--news-line);
}

.rhythm-item__cycle {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.rhythm-item__title {
  margin: 0;
  font-size: 1rem;
  line-height: 1.4;
}

.rhythm-item__text {
  max-width: 66ch;
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.8;
}

.rhythm-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.page-news .media-frame {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--news-line);
  border-radius: 1rem;
  background:
    radial-gradient(120% 90% at 18% 0%, rgba(39, 225, 193, 0.12), transparent 60%),
    linear-gradient(135deg, rgba(16, 38, 61, 0.95), rgba(11, 27, 46, 0.95));
}

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

.page-news .media-frame__caption {
  padding: 0.6rem 0.8rem;
  border-top: 1px solid var(--news-line);
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--muted);
}

.journal-cta {
  display: grid;
  gap: 0.9rem;
  margin-top: clamp(2rem, 5vw, 3.5rem);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--news-line);
  border-radius: 1.2rem;
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(39, 225, 193, 0.12), transparent 62%),
    linear-gradient(135deg, rgba(16, 38, 61, 0.98), rgba(11, 27, 46, 0.98));
}

.journal-cta .eyebrow {
  color: var(--amber);
}

.journal-cta__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.journal-cta__text {
  max-width: 60ch;
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
}

.journal-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.25rem;
}

@media (min-width: 760px) {
  .journal-hero__grid {
    grid-template-columns: minmax(160px, 220px) minmax(0, 1fr);
    gap: 2.5rem;
    align-items: start;
  }

  .lead-entry {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
    gap: 1.75rem;
  }

  .lead-entry__figure {
    margin-top: 0.25rem;
  }

  .topic-feature {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
    gap: 1.75rem;
  }

  .note-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
    gap: 1.75rem;
  }

  .rhythm-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
    gap: 1.75rem;
  }
}

@media (min-width: 1000px) {
  .journal-shell {
    grid-template-columns: 230px minmax(0, 1fr);
    align-items: start;
    gap: 4rem;
  }

  .journal-index {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
  }

  .journal-index__link {
    grid-template-columns: auto 1fr;
  }

  .journal-index__count {
    grid-column: 2;
    text-align: left;
    margin-top: -0.1rem;
  }

  .journal-hero__title {
    max-width: 12ch;
  }
}

（重复标记已避免；上一条 PAGE_CSS 内容即为本页样式。）