.page-news {
  --news-rail-w: 34%;
  --news-gap: 40px;
  background: var(--canvas);
  padding-bottom: 64px;
}

.page-news .breadcrumb {
  margin-bottom: 18px;
  padding-top: 8px;
}

.page-news .news-intro {
  padding: 0 0 36px;
}

.page-news .news-title {
  margin: 10px 0 14px;
  font-size: clamp(26px, 5.4vw, 46px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink-900);
}

.page-news .news-lead {
  max-width: 60ch;
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-600);
}

.page-news .intro-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line-200);
  border-radius: var(--pill);
  background: var(--paper);
  font-size: 14px;
  color: var(--ink-600);
}

.page-news .meta-pill .mono-tag {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--blue-700);
}

.page-news .news-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.page-news .news-rail {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-news .rail-card {
  padding: 22px;
  border: 1px solid var(--line-200);
  border-radius: var(--r-lg);
  background: var(--paper);
}

.page-news .rail-card--subscribe {
  border-color: rgba(194, 65, 12, 0.18);
  background: linear-gradient(180deg, var(--orange-100) 0%, #FFF4EF 62%, var(--paper) 100%);
}

.page-news .rail-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.page-news .rail-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--orange-500);
  box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.18);
  animation: news-pulse 2.6s var(--ease) infinite;
}

@keyframes news-pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.16); }
  50% { box-shadow: 0 0 0 7px rgba(255, 107, 53, 0.06); }
}

.page-news .rail-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--orange-600);
}

.page-news .rail-title {
  margin: 0 0 10px;
  font-size: 21px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink-900);
}

.page-news .rail-subtitle {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-900);
}

.page-news .rail-text {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-600);
}

.page-news .rail-media {
  max-width: 190px;
  margin: 0 auto 16px;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--paper);
  border: 1px solid rgba(194, 65, 12, 0.14);
}

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

.page-news .rail-acc {
  margin: 0 0 12px;
}

.page-news .rail-acc .accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 0;
  border: 0;
  background: transparent;
  font-size: 14px;
  font-weight: 600;
  color: var(--blue-700);
  text-align: left;
  cursor: pointer;
}

.page-news .rail-acc .accordion-panel {
  padding: 12px 14px;
  margin-top: 4px;
  border: 1px solid rgba(194, 65, 12, 0.16);
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.72);
}

.page-news .rail-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-600);
}

.page-news .rail-list strong {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--orange-600);
}

.page-news .rail-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-600);
}

.page-news .rail-note a {
  color: var(--blue-700);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(18, 70, 196, 0.28);
}

.page-news .rail-note--quiet {
  padding-top: 12px;
  margin-top: 4px;
  border-top: 1px dashed var(--line-200);
  font-size: 12.5px;
}

.page-news .rail-links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-news .rail-links a {
  display: block;
  padding: 9px 0;
  font-size: 14px;
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 1px solid var(--line-200);
}

.page-news .rail-links li:last-child a {
  border-bottom: 0;
}

.page-news .rail-links a::after {
  content: "→";
  float: right;
  color: var(--blue-600);
  font-family: var(--font-mono);
}

.page-news .news-feed {
  display: grid;
  gap: 44px;
  min-width: 0;
}

/* 分类索引 */
.page-news .cat-block {
  padding: 24px 20px;
  border-radius: var(--r-lg);
  background: var(--blue-50);
  border: 1px solid rgba(26, 92, 255, 0.1);
}

.page-news .block-title {
  margin: 0 0 8px;
  font-size: clamp(20px, 3.4vw, 26px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink-900);
}

.page-news .block-lead {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-600);
}

.page-news .cat-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  align-items: center;
}

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

.page-news .cat-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px dashed rgba(26, 92, 255, 0.18);
}

.page-news .cat-item:last-child {
  border-bottom: 0;
}

.page-news .cat-num {
  display: inline-block;
  min-width: 30px;
  padding: 3px 6px;
  border-radius: var(--r-xs);
  background: rgba(26, 92, 255, 0.1);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--blue-700);
  text-align: center;
}

.page-news .cat-name {
  margin: 0 0 2px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-900);
}

.page-news .cat-desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-600);
}

.page-news .cat-media {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--paper);
}

/* 时间线 */
.page-news .feed-head {
  margin-bottom: 18px;
}

.page-news .feed-figure {
  margin: 0 0 8px;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line-200);
  background: var(--paper);
}

.page-news .timeline {
  display: grid;
}

.page-news .entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  padding: 24px 0;
  border-top: 1px solid var(--line-200);
}

.page-news .entry-rail {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.page-news .entry-time {
  flex: none;
  padding: 4px 12px;
  border-radius: var(--pill);
  background: var(--blue-100);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--blue-700);
  white-space: nowrap;
}

.page-news .entry-tick {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(26, 92, 255, 0.3), rgba(26, 92, 255, 0));
}

.page-news .entry-body {
  min-width: 0;
}

.page-news .entry-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.page-news .entry-title {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink-900);
}

.page-news .entry-summary {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-600);
}

.page-news .entry-media {
  margin: 0 0 16px;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--line-200);
  background: var(--paper);
}

.page-news .entry-acc .accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid rgba(26, 92, 255, 0.22);
  border-radius: var(--pill);
  background: var(--paper);
  font-size: 14px;
  font-weight: 600;
  color: var(--blue-700);
  text-align: left;
  cursor: pointer;
}

.page-news .entry-acc .accordion-panel {
  margin-top: 12px;
  padding: 16px;
  border: 1px solid rgba(26, 92, 255, 0.16);
  border-radius: var(--r-md);
  background: var(--blue-50);
}

.page-news .detail-list {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-news .detail-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
}

.page-news .detail-row dt {
  font-size: 13px;
  font-weight: 600;
  color: var(--blue-700);
  letter-spacing: 0.02em;
}

.page-news .detail-row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-600);
}

/* 回顾与订阅 */
.page-news .review-block {
  padding: 28px 20px;
  border-radius: var(--r-lg);
  background: linear-gradient(140deg, var(--blue-900) 0%, #123a8f 100%);
  color: var(--paper);
}

.page-news .review-title {
  margin: 0 0 10px;
  font-size: clamp(20px, 3.4vw, 25px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--paper);
}

.page-news .review-lead {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.76);
}

.page-news .review-list {
  margin: 16px 0 20px;
  padding: 0;
  list-style: none;
}

.page-news .review-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 13px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.page-news .review-time {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: #9FC0FF;
}

.page-news .review-item-title {
  margin: 0 0 3px;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
}

.page-news .review-item-desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.72);
}

.page-news .review-note {
  margin: 0 0 22px;
  padding-left: 12px;
  border-left: 3px solid var(--orange-500);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.86);
}

.page-news .cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-news .review-block .btn--ghost {
  border-color: rgba(255, 255, 255, 0.42);
  color: var(--paper);
}

.page-news .review-link {
  font-size: 14px;
  font-weight: 600;
  color: #9FC0FF;
  text-decoration: none;
  border-bottom: 1px solid rgba(159, 192, 255, 0.5);
}

@media (min-width: 640px) {
  .page-news .cat-body {
    grid-template-columns: 1.15fr 0.85fr;
  }

  .page-news .detail-row {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }

  .page-news .review-item {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 14px;
  }

  .page-news .cat-block,
  .page-news .review-block {
    padding: 32px;
  }
}

@media (min-width: 768px) {
  .page-news .entry {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 24px;
    padding: 28px 0;
  }

  .page-news .entry-rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    margin-bottom: 0;
    padding-top: 4px;
  }

  .page-news .entry-tick {
    width: 1px;
    flex: 1;
    min-height: 28px;
    height: auto;
    margin-top: 10px;
    background: linear-gradient(180deg, rgba(26, 92, 255, 0.32), rgba(26, 92, 255, 0));
  }
}

@media (min-width: 960px) {
  .page-news {
    padding-bottom: 88px;
  }

  .page-news .news-shell {
    grid-template-columns: minmax(0, var(--news-rail-w)) minmax(0, 1fr);
    gap: var(--news-gap);
  }

  .page-news .news-rail {
    position: sticky;
    top: 96px;
  }

  .page-news .rail-media {
    max-width: 168px;
    margin-left: 0;
  }

  .page-news .news-feed {
    gap: 52px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .rail-dot {
    animation: none;
  }
}
<<<END>>>