.page-news {
  --news-rule: rgba(27, 42, 102, 0.85);
  --news-split-gap: 24px;
}

.page-news .news-masthead {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding: 32px 0 48px;
}

.page-news .news-kicker {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-news .news-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 34px;
  line-height: 1.2;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.page-news .news-lede {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .news-anchors {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-anchor {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-news .news-anchor-num {
  font-size: 26px;
  line-height: 1;
  color: var(--amber);
  letter-spacing: 0;
}

.page-news .news-anchor:nth-child(2) .news-anchor-num {
  color: var(--cyan);
}

.page-news .news-anchor:nth-child(3) .news-anchor-num {
  color: var(--magenta);
}

.page-news .news-anchor-label {
  font-size: 13px;
  color: var(--muted);
}

.page-news .news-masthead-figure {
  margin: 0;
}

.page-news .figure-img {
  overflow: hidden;
  border: 1px solid var(--line-scale);
  border-radius: 2px;
  background: var(--ink-cabin);
}

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

.page-news .figure-cap {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .divider-ranges {
  margin-bottom: 56px;
}

/* ---------- 主体两栏：索引轨 + 内容流 ---------- */

.page-news .news-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-split-gap);
  padding-bottom: 72px;
}

.page-news .news-rail {
  position: static;
}

.page-news .news-rail .rail-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-news .news-rail .rail-list::-webkit-scrollbar {
  display: none;
}

.page-news .news-rail .rail-item {
  flex: 0 0 auto;
}

.page-news .news-rail .rail-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color 180ms var(--ease-out), border-color 180ms var(--ease-out);
}

.page-news .news-rail .rail-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--rc, var(--muted));
  flex: 0 0 auto;
}

.page-news .news-rail .rail-link:hover,
.page-news .news-rail .rail-link:focus-visible {
  color: var(--paper);
  border-color: var(--rc, var(--cyan));
}

.page-news .news-rail .rail-link[aria-current] {
  color: var(--paper);
  border-color: var(--rc, var(--cyan));
}

/* ---------- 章节通用 ---------- */

.page-news .news-stream {
  min-width: 0;
}

.page-news .news-section {
  padding-bottom: 64px;
}

.page-news .news-section:last-child {
  padding-bottom: 0;
}

.page-news .section-head {
  display: grid;
  gap: 10px;
  padding-bottom: 20px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--news-rule);
}

.page-news .section-num {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--muted);
}

.page-news .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 26px;
  line-height: 1.35;
  letter-spacing: 0.05em;
  color: var(--paper);
}

.page-news .section-sub {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 本期精选 ---------- */

.page-news .featured-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-news .feature-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px;
  border: 1px solid var(--news-rule);
  border-top: 3px solid var(--rc, var(--cyan));
  background: linear-gradient(180deg, rgba(155, 183, 255, 0.08), rgba(155, 183, 255, 0.02));
  transition: box-shadow 180ms var(--ease-out), border-color 180ms var(--ease-out);
}

.page-news .feature-card:hover {
  border-color: var(--rc, var(--cyan));
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.16);
}

.page-news .feature-thumb {
  margin: -22px -20px 4px;
  border-bottom: 1px solid var(--news-rule);
}

.page-news .feature-thumb .figure-img {
  border: 0;
  border-radius: 0;
}

.page-news .feature-tag {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--rc, var(--cyan));
}

.page-news .feature-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.55;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-news .feature-sum {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .feature-time {
  margin: auto 0 0;
  padding-top: 12px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  border-top: 1px solid var(--news-rule);
}

/* ---------- 六个栏目总览 ---------- */

.page-news .column-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-scale);
  border: 1px solid var(--line-scale);
}

.page-news .column-card {
  display: grid;
  gap: 10px;
  padding: 24px 20px;
  background: var(--ink-abyss);
}

.page-news .column-card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
}

.page-news .column-chip {
  width: 14px;
  height: 4px;
  background: var(--rc, var(--cyan));
}

.page-news .column-index {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-news .column-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.4;
  letter-spacing: 0.05em;
  color: var(--paper);
}

.page-news .column-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .column-fit {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--paper);
  opacity: 0.82;
}

.page-news .column-cadence {
  margin: 0;
  padding-top: 10px;
  border-top: 1px solid var(--news-rule);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--rc, var(--cyan));
}

/* ---------- 目录式条目列表 ---------- */

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

.page-news .entry {
  position: relative;
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 0 14px;
  padding: 20px 16px 20px 18px;
  border-bottom: 1px solid var(--news-rule);
  transition: background 180ms var(--ease-out);
}

.page-news .entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 2px;
  background: var(--rc, var(--cyan));
  opacity: 0.55;
  transition: width 200ms var(--ease-out), opacity 200ms var(--ease-out);
}

.page-news .entry:hover::before,
.page-news .entry:focus-within::before {
  width: 4px;
  opacity: 1;
}

.page-news .entry:hover {
  background: rgba(155, 183, 255, 0.05);
}

.page-news .entry-num {
  margin: 2px 0 0;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--rc, var(--cyan));
}

.page-news .entry-main {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.page-news .entry-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin: 0;
}

.page-news .entry-tag {
  padding: 2px 8px;
  border: 1px solid var(--rc, var(--cyan));
  border-radius: 2px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--rc, var(--cyan));
}

.page-news .entry-time {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-news .entry-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.6;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-news .entry-sum {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .entry-more {
  margin-top: 2px;
}

.page-news .entry-more summary {
  display: inline-flex;
  gap: 6px;
  padding: 3px 0;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease-out), border-color 180ms var(--ease-out);
}

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

.page-news .entry-more summary:hover,
.page-news .entry-more summary:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-news .entry-more[open] summary {
  color: var(--paper);
}

.page-news .more-close {
  display: none;
}

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

.page-news .entry-more[open] .more-close {
  display: inline;
}

.page-news .entry-detail {
  padding: 12px 0 4px;
  border-top: 1px solid var(--news-rule);
  margin-top: 10px;
}

.page-news .entry-detail p {
  margin: 0;
  max-width: 34em;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}

/* ---------- 活动线跟踪 ---------- */

.page-news .news-activity {
  padding-top: 8px;
}

.page-news .activity-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding: 28px 20px;
  border: 1px solid var(--news-rule);
  border-left: 3px solid var(--magenta);
  background: linear-gradient(135deg, rgba(255, 45, 149, 0.08), rgba(0, 229, 255, 0.04) 60%, transparent);
}

.page-news .activity-text .section-num {
  margin-bottom: 10px;
}

.page-news .activity-text .section-title {
  margin-bottom: 18px;
}

.page-news .activity-text > p {
  margin: 0 0 16px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
}

.page-news .activity-points {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--news-rule);
}

.page-news .activity-points li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper);
}

.page-news .point-dot {
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--r4);
}

.page-news .activity-figure {
  margin: 0;
}

/* ---------- 版本速递 ---------- */

.page-news .versions-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-news .versions-figure {
  margin: 0;
}

.page-news .versions-text > p {
  margin: 0 0 16px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
}

.page-news .versions-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin: 22px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--news-rule);
}

.page-news .versions-links a {
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms var(--ease-out);
}

.page-news .versions-links a:hover,
.page-news .versions-links a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 订阅与回访 ---------- */

.page-news .follow-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-news .follow-card {
  padding: 24px 20px;
  border: 1px solid var(--news-rule);
  background: var(--ink-cabin);
  transition: border-color 180ms var(--ease-out);
}

.page-news .follow-card:hover {
  border-color: var(--amber);
}

.page-news .follow-title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.45;
  letter-spacing: 0.05em;
  color: var(--paper);
}

.page-news .follow-card p {
  margin: 0 0 14px;
  max-width: 34em;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}

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

.page-news .follow-card a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.4);
  transition: border-color 180ms var(--ease-out);
}

.page-news .follow-card a:hover,
.page-news .follow-card a:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-news .follow-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--news-rule);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-news .news-masthead {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 40px;
    padding: 40px 0 56px;
  }

  .page-news .news-title {
    font-size: 44px;
  }

  .page-news .section-title {
    font-size: 30px;
  }

  .page-news .featured-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
  }

  .page-news .featured-list > .feature-card:first-child {
    grid-column: 1 / -1;
  }

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

  .page-news .entry {
    grid-template-columns: 44px 1fr;
    gap: 0 20px;
    padding: 22px 20px 22px 22px;
  }

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

  .page-news .news-section {
    padding-bottom: 84px;
  }
}

@media (min-width: 980px) {
  .page-news .news-layout {
    grid-template-columns: 112px minmax(0, 1fr);
    gap: 48px;
  }

  .page-news .news-rail {
    position: sticky;
    top: 104px;
    align-self: start;
    padding-top: 8px;
  }

  .page-news .news-rail .rail-list {
    flex-direction: column;
    gap: 14px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .news-rail .rail-link {
    padding: 4px 8px 4px 0;
    border-color: transparent;
  }

  .page-news .featured-list {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-news .featured-list > .feature-card:first-child {
    grid-column: auto;
  }

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

  .page-news .activity-inner {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
    gap: 44px;
    padding: 40px 36px;
  }

  .page-news .versions-inner {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: center;
    gap: 44px;
  }

  .page-news .entry-title {
    font-size: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry::before,
  .page-news .entry,
  .page-news .feature-card,
  .page-news .follow-card,
  .page-news .news-rail .rail-link {
    transition: none;
  }
}
<<<END>>>