.page-news {
  --news-line: rgba(30, 74, 107, .55);
  --news-line-soft: rgba(30, 74, 107, .3);
  --news-ink: #16212C;
  display: block;
}

/* ---------- 首屏：本期目录 ---------- */
.page-news .topic-hero {
  position: relative;
  padding: 26px 0 52px;
  background:
    radial-gradient(680px 420px at 88% 12%, rgba(255, 107, 61, .16), transparent 70%),
    linear-gradient(180deg, rgba(10, 31, 51, .96), rgba(10, 31, 51, .62));
  overflow: hidden;
}

.page-news .topic-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(232, 169, 60, .5), transparent);
}

.page-news .hero-layout {
  gap: 30px;
  margin-top: 26px;
  align-items: start;
}

.page-news .hero-copy h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7vw, 50px);
  line-height: 1.18;
  letter-spacing: -.01em;
  color: var(--cream);
}

.page-news .hero-copy .lede {
  margin-top: 18px;
  max-width: 60ch;
  color: #C4CFD9;
  font-size: 17px;
  line-height: 1.85;
}

.page-news .toc-preview {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  border-top: 1px solid var(--news-line);
}

.page-news .toc-item {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) auto;
  align-items: baseline;
  column-gap: 14px;
  row-gap: 5px;
  padding: 14px 0;
  border-bottom: 1px solid var(--news-line);
  transition: padding-left .28s var(--ease), background .28s var(--ease);
}

.page-news .toc-item:hover {
  padding-left: 8px;
  background: linear-gradient(90deg, rgba(255, 107, 61, .1), transparent 65%);
}

.page-news .toc-num {
  grid-row: 1 / span 2;
  font-size: 13px;
  color: var(--amber);
  letter-spacing: .1em;
}

.page-news .toc-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  color: var(--cream);
}

.page-news .toc-state {
  font-size: 12.5px;
  color: var(--celadon);
  font-family: var(--font-mono);
  white-space: nowrap;
}

.page-news .toc-note {
  grid-column: 2 / -1;
  font-size: 14px;
  color: var(--rock);
  line-height: 1.6;
}

.page-news .hero-figure .media {
  border-radius: var(--radius-lg);
}

/* ---------- 通用区块 ---------- */
.page-news .news-section {
  padding: 54px 0;
}

.page-news .news-section + .news-section {
  border-top: 1px solid var(--news-line-soft);
}

.page-news .news-section .section-sub {
  max-width: 62ch;
  color: var(--rock);
}

.page-news .wide-figure {
  margin: 32px 0 0;
  border-radius: var(--radius-lg);
}

/* ---------- 本周更新摘要 ---------- */
.page-news .brief-strip {
  display: grid;
  gap: 16px;
  margin-top: 30px;
}

.page-news .brief {
  padding: 20px 20px 22px;
  border: 1px solid var(--deck-blue);
  border-left: 3px solid var(--coral);
  border-radius: var(--radius);
  background: linear-gradient(170deg, rgba(18, 58, 90, .92), rgba(10, 31, 51, .88));
  box-shadow: var(--shadow-card);
}

.page-news .brief-time {
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--amber);
}

.page-news .brief h3 {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.45;
  color: var(--cream);
}

.page-news .brief p:last-child {
  color: #BCC8D3;
  font-size: 15.5px;
  line-height: 1.8;
}

/* ---------- 五个专题栏目 ---------- */
.page-news .topic-columns-layout {
  gap: 32px;
  margin-top: 30px;
  align-items: start;
}

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

.page-news .topic-row {
  position: relative;
  padding: 18px 20px 20px;
  border: 1px solid var(--deck-blue);
  border-radius: var(--radius);
  background: rgba(18, 58, 90, .32);
  transition: border-color .28s var(--ease), transform .28s var(--ease);
}

.page-news .topic-row:hover {
  border-color: var(--amber);
  transform: translateY(-2px);
}

.page-news .topic-row-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
}

.page-news .topic-row-num {
  font-size: 13px;
  color: var(--celadon);
  letter-spacing: .1em;
}

.page-news .topic-row h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  color: var(--cream);
}

.page-news .topic-row .tag {
  margin-left: auto;
}

.page-news .topic-row p {
  margin: 10px 0 0;
  color: #BCC8D3;
  font-size: 15.5px;
  line-height: 1.8;
}

.page-news .topic-figure {
  border-radius: var(--radius-lg);
}

.page-news .topic-aside {
  margin: 18px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--rock);
}

.page-news .topic-aside a,
.page-news .subscribe-card a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 169, 60, .45);
  transition: color .22s var(--ease), border-color .22s var(--ease);
}

.page-news .topic-aside a:hover,
.page-news .subscribe-card a:hover {
  color: var(--coral);
  border-color: var(--coral);
}

/* ---------- 最近条目 ---------- */
.page-news .entry-layout {
  display: grid;
  gap: 24px;
  margin-top: 30px;
}

.page-news .filter-rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
}

.page-news .filter-btn {
  flex: 0 0 auto;
  padding: 9px 16px;
  border: 1px solid var(--deck-blue);
  border-radius: 999px;
  background: rgba(18, 58, 90, .5);
  color: var(--cream);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  white-space: nowrap;
  cursor: pointer;
  transition: border-color .25s var(--ease), color .25s var(--ease), background .25s var(--ease);
}

.page-news .filter-btn:hover {
  border-color: var(--amber);
  color: var(--amber);
}

.page-news .filter-btn[aria-pressed="true"],
.page-news .filter-btn.is-active {
  border-color: var(--coral);
  background: rgba(255, 107, 61, .16);
  color: var(--cream);
}

.page-news .entry-list {
  display: grid;
  border-top: 1px solid var(--news-line);
}

.page-news .entry {
  position: relative;
  display: grid;
  gap: 4px;
  padding: 20px 4px 22px 18px;
  border-bottom: 1px solid var(--news-line);
}

.page-news .entry[hidden] {
  display: none;
}

.page-news .entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--coral), rgba(255, 107, 61, 0));
  opacity: 0;
  transform: scaleY(.25);
  transform-origin: top;
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}

.page-news .entry:hover::before,
.page-news .entry:focus-within::before {
  opacity: 1;
  transform: scaleY(1);
}

.page-news .entry-time {
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--amber);
}

.page-news .entry-title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18.5px;
  line-height: 1.5;
  color: var(--cream);
}

.page-news .entry-more {
  margin-top: 10px;
}

.page-news .entry-more summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  color: var(--celadon);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
}

.page-news .entry-more summary::-webkit-details-marker {
  display: none;
}

.page-news .entry-more summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--coral);
}

.page-news .entry-more[open] summary::before {
  content: "–";
}

.page-news .entry-more summary:hover {
  color: var(--amber);
}

.page-news .entry-more p {
  margin: 12px 0 0;
  max-width: 64ch;
  color: #B4C1CC;
  font-size: 15.5px;
  line-height: 1.8;
}

/* ---------- 归档 ---------- */
.page-news .archive {
  margin-top: 30px;
  padding: 26px 20px 22px;
  border-radius: var(--radius-lg);
  background: var(--cream);
  color: var(--news-ink);
  box-shadow: var(--shadow-lift);
}

.page-news .archive-lede {
  margin: 0;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.85;
  color: #3D4C59;
}

.page-news .archive-scroll {
  margin-top: 22px;
  overflow-x: auto;
  border: 1px solid var(--news-line-soft);
  border-radius: var(--radius);
}

.page-news .archive-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-news .archive-table thead th {
  padding: 12px 14px;
  text-align: left;
  background: var(--night-blue);
  color: var(--cream);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14.5px;
  white-space: nowrap;
}

.page-news .archive-table td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--news-line-soft);
  color: #23323F;
}

.page-news .archive-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-news .archive-table td.mono {
  font-size: 13.5px;
  color: #1E4A6B;
}

.page-news .archive-fold {
  margin-top: 16px;
  padding: 16px 0 4px;
  border-top: 1px solid var(--news-line-soft);
}

.page-news .archive-fold summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16.5px;
  line-height: 1.5;
  color: #0F2536;
}

.page-news .archive-fold summary::-webkit-details-marker {
  display: none;
}

.page-news .archive-fold summary .mono {
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--clay);
  border-bottom: 1px dashed rgba(194, 96, 60, .5);
}

.page-news .archive-fold summary:hover .mono {
  color: #8E3F22;
}

.page-news .archive-fold p {
  margin: 12px 0 0;
  max-width: 72ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: #3D4C59;
}

/* ---------- 阅读顺序 ---------- */
.page-news .read-order {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-news .read-step {
  position: relative;
  padding: 22px 20px 24px;
  border: 1px solid var(--deck-blue);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(18, 58, 90, .72), rgba(10, 31, 51, .7));
}

.page-news .read-step-num {
  font-size: 28px;
  line-height: 1;
  color: var(--amber);
  letter-spacing: .06em;
}

.page-news .read-step h3 {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  color: var(--cream);
}

.page-news .read-step p:last-child {
  margin: 0;
  color: #BCC8D3;
  font-size: 15.5px;
  line-height: 1.8;
}

/* ---------- 订阅与回访 ---------- */
.page-news .subscribe-grid {
  display: grid;
  gap: 18px;
  margin-top: 30px;
}

.page-news .subscribe-card {
  padding: 24px 22px 26px;
  border: 1px solid var(--deck-blue);
  border-radius: var(--radius-lg);
  background: rgba(18, 58, 90, .38);
}

.page-news .subscribe-card-accent {
  border-color: rgba(255, 107, 61, .5);
  background: linear-gradient(180deg, rgba(255, 107, 61, .12), rgba(10, 31, 51, .72));
}

.page-news .subscribe-card h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  color: var(--cream);
}

.page-news .subscribe-card p {
  margin: 0 0 12px;
  color: #BCC8D3;
  font-size: 15.5px;
  line-height: 1.85;
}

.page-news .subscribe-card p:last-child {
  margin-bottom: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .news-section {
    padding: 66px 0;
  }

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

  .page-news .entry {
    grid-template-columns: 132px minmax(0, 1fr);
    column-gap: 22px;
    padding-left: 20px;
  }

  .page-news .entry-time {
    padding-top: 5px;
  }

  .page-news .entry-title {
    margin-top: 6px;
  }

  .page-news .archive {
    padding: 34px 32px 28px;
  }
}

@media (min-width: 960px) {
  .page-news .topic-hero {
    padding: 34px 0 74px;
  }

  .page-news .entry-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    column-gap: 44px;
    align-items: start;
  }

  .page-news .filter-rail {
    position: sticky;
    top: 120px;
    flex-direction: column;
    gap: 10px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .filter-btn {
    border-radius: 12px;
    text-align: left;
    width: 100%;
  }

  .page-news .read-order {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-news .subscribe-grid {
    grid-template-columns: 1.1fr .9fr;
    gap: 22px;
  }
}

@media (min-width: 1080px) {
  .page-news .topic-columns-layout {
    column-gap: 46px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .toc-item,
  .page-news .topic-row,
  .page-news .entry::before,
  .page-news .filter-btn {
    transition: none;
  }

  .page-news .topic-row:hover {
    transform: none;
  }
}
<<<END>>>