.page-news {
  --news-rail-w: 232px;
  --news-line: rgba(199, 205, 212, 0.16);
  --news-title-size: clamp(17px, 2.1vw, 20px);
  --news-pad-y: clamp(20px, 2.8vw, 30px);
  background: var(--c-ink);
  color: var(--c-paper);
  font-family: var(--font-body);
}

.page-news .news-crumb-bar {
  padding-top: clamp(20px, 3.4vw, 32px);
}

/* ---------- 首屏：杂志封面式 ---------- */
.page-news .news-masthead {
  border-bottom: 1px solid var(--line-mid);
  padding-bottom: clamp(30px, 5vw, 56px);
}

.page-news .news-masthead-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 56px);
  padding-top: clamp(22px, 4vw, 44px);
}

.page-news .news-masthead-main h1 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: clamp(30px, 6.4vw, 50px);
  line-height: 1.18;
  letter-spacing: 0.01em;
  font-weight: 500;
}

.page-news .news-lede {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-silver);
}

.page-news .news-masthead-index {
  border-top: 1px solid var(--line-strong);
  padding-top: 14px;
}

.page-news .news-index-title {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-scale);
}

.page-news .news-index-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-index-list li {
  border-bottom: 1px solid var(--news-line);
}

.page-news .news-index-list a {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
  color: var(--c-paper);
  text-decoration: none;
  font-size: 14px;
  transition: color 180ms var(--ease);
}

.page-news .news-index-list a:hover,
.page-news .news-index-list a:focus-visible {
  color: var(--c-cyan);
}

.page-news .news-index-list a .mono {
  color: var(--c-scale);
  font-size: 12px;
}

.page-news .news-index-count {
  color: var(--c-cyan);
  font-size: 13px;
}

.page-news .news-datastrip {
  margin-top: clamp(28px, 4vw, 48px);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line-mid);
  border-left: 1px solid var(--line-mid);
}

.page-news .news-datastrip-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  border-right: 1px solid var(--line-mid);
  border-bottom: 1px solid var(--line-mid);
}

.page-news .news-strip-num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 4vw, 34px);
  line-height: 1.1;
  font-weight: 500;
  color: var(--c-cyan);
}

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

/* ---------- 主体骨架 ---------- */
.page-news .news-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 4vw, 56px);
  padding-block: clamp(38px, 6vw, 76px);
}

.page-news .news-rail-note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--news-line);
  font-size: 12px;
  line-height: 1.7;
  color: var(--c-scale);
}

.page-news .news-toc .toc-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-scale);
}

.page-news .news-toc .toc-link {
  display: block;
  padding: 9px 0;
  border-bottom: 1px solid var(--news-line);
  color: var(--c-silver);
  text-decoration: none;
  font-size: 14px;
  transition: color 180ms var(--ease), padding-left 180ms var(--ease);
}

.page-news .news-toc .toc-link:hover,
.page-news .news-toc .toc-link:focus-visible {
  color: var(--c-paper);
  padding-left: 6px;
}

.page-news .news-toc .toc-link.is-active {
  color: var(--c-cyan);
}

/* ---------- 条目列表 ---------- */
.page-news .news-ledger .section-head,
.page-news .news-series .section-head,
.page-news .news-archive .section-head {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-news .news-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: var(--news-pad-y) 0;
  border-top: 1px solid var(--news-line);
}

.page-news .news-item:last-child {
  border-bottom: 1px solid var(--news-line);
}

.page-news .news-item-no {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-scale);
}

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

.page-news .news-item-when {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-scale);
}

.page-news .news-item-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: var(--news-title-size);
  line-height: 1.45;
  font-weight: 500;
  color: var(--c-paper);
}

.page-news .news-item-summary {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-silver);
}

.page-news .news-item--lead .news-item-title {
  font-size: clamp(20px, 3.6vw, 28px);
  line-height: 1.35;
}

.page-news .news-item--lead .news-item-summary {
  font-size: 15px;
}

.page-news .news-item-more {
  margin-top: 14px;
}

.page-news .news-item-more summary {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 3px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-cyan);
}

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

.page-news .news-item-more summary::before {
  content: "+";
  display: inline-block;
  width: 12px;
  text-align: center;
}

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

.page-news .news-item-more summary:focus-visible {
  outline: 1px solid var(--line-cyan);
  outline-offset: 3px;
}

.page-news .news-more-body {
  margin-top: 10px;
  padding-left: 19px;
  border-left: 1px solid var(--line-cyan);
  max-width: 62ch;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--c-silver);
}

.page-news .news-more-body p {
  margin: 0;
}

/* ---------- 图片容器微调 ---------- */
.page-news .news-figure {
  margin: 18px 0 0;
}

.page-news .news-figure .figure-frame {
  border: 1px solid var(--line-mid);
  overflow: hidden;
}

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

.page-news .news-figure--portrait {
  max-width: 260px;
}

.page-news .news-figure figcaption {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.03em;
  color: var(--c-scale);
}

/* ---------- 专题系列 ---------- */
.page-news .news-series .tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 0 20px;
  border-bottom: 1px solid var(--line-mid);
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-news .news-series .tab {
  appearance: none;
  background: none;
  border: 0;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  padding: 12px 2px 11px;
  font-family: var(--font-head);
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--c-scale);
  cursor: pointer;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-news .news-series .tab:hover {
  color: var(--c-silver);
}

.page-news .news-series .tab[aria-selected="true"] {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}

.page-news .news-series .tab:focus-visible {
  outline: 1px solid var(--line-cyan);
  outline-offset: 2px;
}

.page-news .news-series .tabpanel {
  background: var(--c-graphite);
  border: 1px solid var(--news-line);
  padding: clamp(20px, 3vw, 34px);
}

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

.page-news .series-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 34px);
}

.page-news .series-title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 500;
  color: var(--c-paper);
}

.page-news .series-text p {
  margin: 0 0 12px;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-silver);
}

.page-news .series-text a,
.page-news .reading-card a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

.page-news .series-text a:hover,
.page-news .reading-card a:hover {
  border-bottom-color: var(--c-cyan);
}

.page-news .series-links-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-scale);
}

.page-news .series-links ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .series-links li {
  border-top: 1px solid var(--news-line);
}

.page-news .series-links a {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  padding: 10px 0;
  color: var(--c-silver);
  text-decoration: none;
  font-size: 13.5px;
  line-height: 1.6;
  transition: color 180ms var(--ease);
}

.page-news .series-links a:hover,
.page-news .series-links a:focus-visible {
  color: var(--c-cyan);
}

.page-news .series-links a .mono {
  color: var(--c-scale);
  font-size: 12px;
}

.page-news .series-links--wide {
  margin-top: clamp(18px, 3vw, 26px);
}

/* ---------- 往期归档 ---------- */
.page-news .archive-rail {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line-mid);
  border-left: 1px solid var(--line-mid);
  margin-bottom: clamp(22px, 3.4vw, 38px);
}

.page-news .archive-tick {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 16px 12px 14px;
  border-right: 1px solid var(--line-mid);
  border-bottom: 1px solid var(--line-mid);
  text-decoration: none;
  color: var(--c-paper);
  transition: background 180ms var(--ease);
}

.page-news .archive-tick::before {
  content: "";
  position: absolute;
  top: 0;
  left: 12px;
  width: 1px;
  height: 9px;
  background: var(--c-scale);
}

.page-news .archive-tick:hover {
  background: var(--c-graphite);
}

.page-news .archive-tick.is-active {
  background: var(--c-graphite);
}

.page-news .archive-tick.is-active::before {
  background: var(--c-cyan);
}

.page-news .archive-tick-num {
  font-size: 19px;
  font-weight: 500;
  color: var(--c-paper);
}

.page-news .archive-tick.is-active .archive-tick-num {
  color: var(--c-cyan);
}

.page-news .archive-tick-label {
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--c-scale);
}

.page-news .archive-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: clamp(16px, 2.4vw, 24px) 0;
  border-top: 1px solid var(--news-line);
  scroll-margin-top: 24px;
}

.page-news .archive-block:last-child {
  border-bottom: 1px solid var(--news-line);
}

.page-news .archive-block-no {
  margin: 0;
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--c-silver);
}

.page-news .archive-block-note {
  margin: 6px 0 0;
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--c-scale);
}

.page-news .archive-items {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .archive-items li {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 12px;
  padding: 9px 0;
  border-top: 1px solid var(--news-line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-silver);
}

.page-news .archive-items li:first-child {
  border-top: 0;
}

.page-news .archive-items .mono {
  color: var(--c-scale);
  font-size: 12.5px;
}

/* ---------- 查阅说明（亮底反转） ---------- */
.page-news .news-reading {
  background: var(--c-paper);
  color: var(--c-ink);
  margin-top: clamp(36px, 5vw, 72px);
  padding: clamp(32px, 5vw, 62px) clamp(20px, 3.4vw, 44px);
  border-top: 1px solid var(--line-strong);
}

.page-news .news-reading .eyebrow {
  color: var(--c-cyan-deep);
}

.page-news .reading-title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.35;
  font-weight: 500;
  color: var(--c-ink);
}

.page-news .reading-lede {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: #3A434A;
}

.page-news .reading-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: clamp(24px, 4vw, 40px);
  border-top: 1px solid rgba(11, 14, 17, 0.18);
}

.page-news .reading-card {
  padding: 20px 0;
  border-bottom: 1px solid rgba(11, 14, 17, 0.12);
}

.page-news .reading-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 500;
  color: var(--c-ink);
}

.page-news .reading-card p {
  margin: 0;
  max-width: 60ch;
  font-size: 14px;
  line-height: 1.8;
  color: #3A434A;
}

.page-news .reading-card a {
  color: var(--c-cyan-deep);
  border-bottom-color: rgba(14, 156, 128, 0.4);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-news .news-datastrip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .reading-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 36px;
    border-bottom: 1px solid rgba(11, 14, 17, 0.12);
  }

  .page-news .reading-card {
    border-bottom: 0;
    border-top: 1px solid rgba(11, 14, 17, 0.12);
  }
}

@media (min-width: 720px) {
  .page-news .news-item {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 0 20px;
  }

  .page-news .news-item-no {
    padding-top: 4px;
  }

  .page-news .news-item--lead .news-figure {
    max-width: 640px;
  }
}

@media (min-width: 900px) {
  .page-news .news-masthead-inner {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .series-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .archive-block {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 0 30px;
    align-items: start;
  }

  .page-news .archive-list {
    margin-top: 6px;
  }

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

  .page-news .reading-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: 30px;
  }
}

@media (min-width: 1000px) {
  .page-news .news-body {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: 28px;
  }

  .page-news .news-rail-note {
    max-width: 24ch;
  }
}
<<<END>>>