.page-news {
  --news-rail: 210px;
  --news-gap: clamp(24px, 3.2vw, 52px);
  --news-line-soft: rgba(20, 17, 15, 0.12);
  --news-line-light: rgba(246, 244, 239, 0.18);
  background: var(--snow);
  color: var(--ink);
}

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

/* ---------- 页面题头 ---------- */
.page-news .news-head {
  padding-top: clamp(28px, 5vw, 60px);
  padding-bottom: clamp(18px, 2.6vw, 34px);
}

.page-news .news-head .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 34px);
}

.page-news .news-head .breadcrumb-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted-2);
}

.page-news .news-head .page-title {
  margin: 14px 0 0;
  max-width: 22em;
  font-size: clamp(26px, 4.6vw, 54px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: 0.015em;
}

.page-news .news-head .page-lede {
  margin: 20px 0 0;
  max-width: 46em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 版本摘要栏 ---------- */
.page-news .news-snapshot {
  background: var(--indigo);
  color: var(--snow);
  border-top: 1px solid rgba(216, 166, 60, 0.4);
  border-bottom: 1px solid rgba(216, 166, 60, 0.4);
}

.page-news .news-snapshot-inner {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  padding-top: clamp(22px, 3vw, 34px);
  padding-bottom: clamp(22px, 3vw, 34px);
}

.page-news .news-snapshot-lead {
  display: grid;
  gap: 4px;
}

.page-news .news-snapshot-lead .eyebrow {
  color: rgba(246, 244, 239, 0.7);
}

.page-news .news-snapshot-version {
  margin: 6px 0 0;
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.03em;
  color: var(--gold);
}

.page-news .news-snapshot-note {
  margin: 10px 0 0;
  max-width: 26em;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(246, 244, 239, 0.72);
}

.page-news .news-snapshot-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--news-line-light);
  border: 1px solid var(--news-line-light);
}

.page-news .news-snap {
  display: grid;
  gap: 2px;
  align-content: start;
  padding: 12px 14px;
  background: var(--indigo);
}

.page-news .news-snap-label {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(246, 244, 239, 0.6);
}

.page-news .news-snap-num {
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 600;
  line-height: 1.15;
  color: var(--snow);
}

/* ---------- 轨道 + 条目流 ---------- */
.page-news .news-shell {
  display: grid;
  gap: var(--news-gap);
  padding-top: clamp(28px, 4vw, 56px);
  padding-bottom: clamp(48px, 6vw, 96px);
}

.page-news .news-rail {
  display: grid;
  gap: 12px;
}

.page-news .news-rail .toc-title {
  margin: 0;
}

.page-news .news-rail-list {
  list-style: none;
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .news-rail .toc-link {
  display: block;
  padding: 9px 12px;
  border-left: 2px solid transparent;
  font-size: 14px;
  line-height: 1.4;
  white-space: nowrap;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-news .news-rail .toc-link:hover,
.page-news .news-rail .toc-link:focus-visible {
  color: var(--saffron);
  border-left-color: var(--saffron);
  background: var(--barley);
}

.page-news .news-rail .toc-link:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-news .news-stream {
  min-width: 0;
  display: grid;
  gap: clamp(44px, 6vw, 84px);
}

/* ---------- 区块题头 ---------- */
.page-news .news-block {
  scroll-margin-top: 24px;
}

.page-news .news-block-head {
  display: grid;
  gap: 18px;
  padding-top: 16px;
  border-top: 2px solid var(--ink);
}

.page-news .news-block-title {
  min-width: 0;
}

.page-news .news-block-head .h2,
.page-news .news-block > .h2 {
  margin: 10px 0 0;
  font-size: clamp(22px, 2.8vw, 34px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.page-news .news-block > .eyebrow {
  margin: 0;
  padding-top: 16px;
  border-top: 2px solid var(--ink);
}

.page-news .news-block > .h2 {
  margin-top: 8px;
}

.page-news .news-block-intro {
  margin: 18px 0 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .news-block-foot {
  margin: 20px 0 0;
  max-width: 44em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted-2);
}

.page-news .news-block-head .media {
  margin: 0;
  border: 1px solid var(--warmgray);
}

.page-news .media-caption {
  margin: 8px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted-2);
}

.page-news .news-block-head .media .media-caption {
  padding: 0 2px;
}

/* ---------- 条目列表 ---------- */
.page-news .news-log {
  margin: 26px 0 0;
}

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

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

.page-news .news-entry-btn {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 20px;
  grid-template-areas:
    "meta sign"
    "title sign";
  gap: 6px 14px;
  align-items: start;
  width: 100%;
  margin: 0;
  padding: 18px 8px 18px 15px;
  border: 0;
  border-left: 3px solid transparent;
  background: none;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: background-color 0.24s ease, border-color 0.24s ease;
}

.page-news .news-block--version .news-entry-btn {
  border-left-color: var(--saffron);
}

.page-news .news-block--index .news-entry-btn {
  border-left-color: var(--gold);
}

.page-news .news-block--beta .news-entry-btn {
  border-left-color: var(--orange);
}

.page-news .news-entry-btn:hover {
  background: var(--barley);
}

.page-news .news-entry-btn:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -2px;
}

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

.page-news .news-entry-title {
  grid-area: title;
  font-size: clamp(16px, 1.9vw, 20px);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: 0.01em;
}

.page-news .news-entry-btn .news-sign {
  grid-area: sign;
  margin-top: 6px;
}

.page-news .news-tag {
  display: inline-block;
  padding: 2px 7px;
  border: 1px solid currentColor;
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--saffron);
}

.page-news .news-block--index .news-tag {
  color: #9a7420;
}

.page-news .news-block--beta .news-tag {
  color: #b8562a;
}

.page-news .news-entry-time {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted-2);
}

.page-news .news-sign {
  position: relative;
  width: 12px;
  height: 12px;
  flex: none;
  align-self: start;
  color: var(--muted-2);
  transition: color 0.24s ease;
}

.page-news .news-sign::before,
.page-news .news-sign::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  background: currentColor;
}

.page-news .news-sign::before {
  width: 12px;
  height: 1px;
}

.page-news .news-sign::after {
  width: 1px;
  height: 12px;
  transition: opacity 0.24s ease;
}

.page-news [aria-expanded="true"] .news-sign {
  color: var(--saffron);
}

.page-news [aria-expanded="true"] .news-sign::after {
  opacity: 0;
}

.page-news .news-entry .accordion-inner {
  padding: 0 16px 22px 34px;
}

.page-news .news-entry .accordion-inner p {
  margin: 0 0 10px;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .news-entry .accordion-inner p:last-child {
  margin-bottom: 0;
}

/* ---------- 刻度尺 ---------- */
.page-news .news-scale {
  display: block;
  width: min(320px, 100%);
  height: auto;
  margin: 20px 0 0;
  color: var(--warmgray);
}

/* ---------- 专题系列 ---------- */
.page-news .news-topics-banner {
  margin: 20px 0 0;
  border: 1px solid var(--warmgray);
}

.page-news .news-topics {
  margin: 28px 0 0;
}

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

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

.page-news .news-topic-btn {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 18px;
  grid-template-areas:
    "index sign"
    "name sign"
    "freq sign";
  gap: 4px 16px;
  align-items: center;
  width: 100%;
  margin: 0;
  padding: 20px 8px;
  border: 0;
  background: none;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: background-color 0.24s ease;
}

.page-news .news-topic-btn:hover {
  background: var(--barley);
}

.page-news .news-topic-btn:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -2px;
}

.page-news .news-topic-index {
  grid-area: index;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-news .news-topic-name {
  grid-area: name;
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 700;
  line-height: 1.4;
}

.page-news .news-topic-freq {
  grid-area: freq;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted-2);
}

.page-news .news-topic-btn .news-sign {
  grid-area: sign;
  align-self: center;
}

.page-news .news-topic .accordion-inner {
  padding: 0 16px 24px 8px;
}

.page-news .news-topic .accordion-inner p {
  margin: 0;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .news-topic-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
}

.page-news .news-topic-list li {
  padding: 10px 0 10px 16px;
  border-top: 1px dashed var(--warmgray);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

.page-news .news-topic-list li::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 1px;
  margin: 0 10px 4px -16px;
  background: var(--saffron);
}

/* ---------- 跟进方式 ---------- */
.page-news .news-follow {
  padding: clamp(24px, 3.6vw, 46px);
  background: var(--indigo);
  color: var(--snow);
}

.page-news .news-follow .eyebrow {
  margin: 0;
  color: rgba(216, 166, 60, 0.9);
}

.page-news .news-follow .h2 {
  margin: 12px 0 0;
  color: var(--snow);
}

.page-news .news-follow-grid {
  display: grid;
  gap: clamp(18px, 2.6vw, 32px);
  margin-top: 28px;
}

.page-news .news-follow-grid > div {
  padding-top: 14px;
  border-top: 1px solid var(--news-line-light);
}

.page-news .news-follow h3 {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-news .news-follow p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(246, 244, 239, 0.78);
}

.page-news .news-follow .btn {
  margin-top: 30px;
}

.page-news .news-follow-note {
  margin-top: 16px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(246, 244, 239, 0.6);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-snapshot-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .page-news .news-block-head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 300px);
    gap: clamp(20px, 3vw, 40px);
    align-items: end;
  }

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

  .page-news .news-topic-btn {
    grid-template-columns: 108px minmax(0, 1fr) 150px 18px;
    grid-template-areas: "index name freq sign";
    gap: 0 18px;
  }
}

@media (min-width: 960px) {
  .page-news .news-snapshot-inner {
    grid-template-columns: minmax(220px, 1fr) minmax(0, 2.1fr);
    align-items: end;
  }
}

@media (min-width: 1020px) {
  .page-news .news-shell {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: 28px;
    padding-right: 22px;
    border-right: 1px solid var(--news-line-soft);
  }

  .page-news .news-rail-list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
  }
}

@media (max-width: 1019px) {
  .page-news .news-rail .toc-link {
    border: 1px solid var(--warmgray);
  }

  .page-news .news-rail .toc-link:hover,
  .page-news .news-rail .toc-link:focus-visible {
    border-color: var(--saffron);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-entry-btn,
  .page-news .news-topic-btn,
  .page-news .news-sign,
  .page-news .news-sign::after,
  .page-news .news-rail .toc-link {
    transition: none;
  }
}
<<<END>>>