.page-news {
  --news-line: rgba(14, 27, 44, 0.14);
  --news-muted: #495669;
  --news-gold-deep: #86601A;
  --news-orange-deep: #C74E14;
  background: var(--paper);
  color: var(--ink);
}

.page-news .breadcrumb {
  padding-top: clamp(16px, 3vw, 28px);
  font-size: 13px;
}

.page-news .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--green);
}

.page-news .breadcrumb li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--mist);
}

.page-news .breadcrumb a {
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  border-bottom-color: var(--green);
}

.page-news .section-title {
  margin: 0 0 14px;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-news .eyebrow {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--green);
}

/* 首屏 */
.page-news .news-hero {
  padding: clamp(14px, 2.6vw, 28px) 0 clamp(28px, 4vw, 56px);
}

.page-news .news-hero-inner {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
}

.page-news .news-hero h1 {
  margin: 0;
  font-size: clamp(32px, 6.2vw, 68px);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.015em;
}

.page-news .news-lede {
  max-width: 34em;
  margin: 18px 0 0;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.8;
  color: var(--news-muted);
}

.page-news .news-hero-aside {
  display: grid;
  border-top: 2px solid var(--ink);
}

.page-news .hero-stat {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--news-line);
}

.page-news .hero-stat-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 600;
  line-height: 1;
  color: var(--green);
  font-variant-numeric: tabular-nums;
}

.page-news .hero-stat-label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--news-muted);
}

@media (min-width: 920px) {
  .page-news .news-hero-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }
}

/* 归档总览条 */
.page-news .news-archive {
  background: var(--paper-warm);
  border-top: 1px solid var(--news-line);
  border-bottom: 1px solid var(--news-line);
  padding: clamp(24px, 4vw, 48px) 0;
}

.page-news .archive-grid {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  align-items: center;
}

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

.page-news .archive-today {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px dashed rgba(14, 27, 44, 0.28);
}

.page-news .archive-today-num {
  font-family: var(--font-mono);
  font-size: clamp(38px, 6vw, 56px);
  font-weight: 600;
  line-height: 1;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-news .archive-today-label {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.6;
}

.page-news .archive-today-sub {
  font-weight: 400;
  color: var(--news-muted);
}

.page-news .archive-figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
}

@media (min-width: 880px) {
  .page-news .archive-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }
}

/* 观察列表 */
.page-news .news-list {
  padding: clamp(32px, 5vw, 76px) 0;
}

.page-news .news-list-grid {
  display: grid;
  gap: clamp(24px, 3vw, 44px);
}

.page-news .news-rail {
  border-top: 2px solid var(--ink);
  padding-top: 14px;
}

.page-news .rail-title {
  margin: 0 0 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--news-muted);
}

.page-news .rail-cats,
.page-news .rail-jump {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
}

.page-news .rail-cats:last-child,
.page-news .rail-jump:last-child {
  margin-bottom: 0;
}

.page-news .rail-link {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 0;
  font-size: 14px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--news-line);
  transition: color 0.18s ease-out;
}

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

.page-news .rail-dot {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.page-news .dot-tactic { background: var(--green); }
.page-news .dot-data { background: var(--gold); }
.page-news .dot-clip { background: var(--ink); }
.page-news .dot-product { background: var(--orange); }

.page-news .rail-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--news-muted);
}

.page-news .week-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink);
}

.page-news .week-item {
  display: grid;
  grid-template-columns: 50px minmax(0, 1fr);
  gap: 8px 14px;
  padding: clamp(16px, 2.4vw, 26px) 0;
  border-bottom: 1px solid var(--news-line);
}

.page-news .week-num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.2vw, 38px);
  font-weight: 600;
  line-height: 1;
  color: var(--mist);
  font-variant-numeric: tabular-nums;
  transition: color 0.22s var(--ease);
}

.page-news .week-item:hover .week-num,
.page-news .week-item:focus-within .week-num {
  color: var(--gold);
}

.page-news .week-tag {
  display: inline-block;
  margin-bottom: 9px;
  padding: 4px 11px;
  font-size: 12px;
  letter-spacing: 0.06em;
  border: 1px solid currentColor;
  border-radius: 999px;
  white-space: nowrap;
}

.page-news .tag-tactic { color: var(--green); }
.page-news .tag-data { color: var(--news-gold-deep); }
.page-news .tag-clip { color: var(--ink); }
.page-news .tag-product { color: var(--news-orange-deep); }

.page-news .week-title {
  margin: 0 0 6px;
  font-size: clamp(16px, 2vw, 21px);
  font-weight: 700;
  line-height: 1.4;
}

.page-news .week-sum {
  margin: 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.7;
  color: var(--news-muted);
}

@media (min-width: 700px) {
  .page-news .week-item {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 8px 26px;
  }
}

@media (min-width: 960px) {
  .page-news .news-list-grid {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: 88px;
  }
}

/* 时间轴 */
.page-news .news-timeline {
  padding: clamp(32px, 5vw, 76px) 0;
  border-top: 1px solid var(--news-line);
}

.page-news .tl-head {
  display: grid;
  gap: clamp(18px, 3vw, 36px);
  align-items: end;
}

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

.page-news .tl-figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .tl-scroller {
  display: flex;
  list-style: none;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  border-top: 2px solid var(--ink);
  scrollbar-width: thin;
}

.page-news .tl-scroller:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 4px;
}

.page-news .tl-node {
  position: relative;
  flex: 0 0 150px;
  scroll-snap-align: start;
  padding: 28px 16px 18px 18px;
  border-right: 1px solid var(--news-line);
}

.page-news .tl-node::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 18px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ink);
}

.page-news .tl-node.is-hot::before {
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 106, 43, 0.2);
}

.page-news .tl-day {
  margin: 0 0 6px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.page-news .tl-count {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.1;
  color: var(--green);
  font-variant-numeric: tabular-nums;
}

.page-news .tl-count .unit {
  margin-left: 3px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 400;
  color: var(--news-muted);
}

.page-news .tl-note {
  margin: 0;
  font-size: 12px;
  line-height: 1.55;
  color: var(--news-muted);
}

@media (min-width: 880px) {
  .page-news .tl-head {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }
}

/* 专题系列（深色章节） */
.page-news .news-series {
  background: var(--ink);
  color: var(--white);
  border-top: 6px solid var(--gold);
  padding: clamp(36px, 5vw, 80px) 0;
}

.page-news .news-series .eyebrow {
  color: var(--green-bright);
}

.page-news .news-series .section-title {
  color: var(--white);
}

.page-news .series-lede {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(253, 252, 247, 0.72);
}

.page-news .series-grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 26px);
  margin-top: clamp(24px, 4vw, 40px);
}

.page-news .series-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(18px, 2.4vw, 26px);
  border: 2px solid rgba(253, 252, 247, 0.22);
  border-radius: var(--radius);
}

.page-news .series-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-news .series-name {
  margin: 0;
  font-size: clamp(19px, 2.4vw, 26px);
  font-weight: 800;
  line-height: 1.25;
}

.page-news .series-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(253, 252, 247, 0.75);
}

.page-news .series-figure {
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
}

.page-news .series-more {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid rgba(253, 252, 247, 0.18);
}

.page-news .series-more summary {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--green-bright);
}

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

.page-news .series-more summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  transition: transform 0.22s ease-out;
}

.page-news .series-more[open] summary::after {
  transform: rotate(45deg);
}

.page-news .series-more ul {
  display: grid;
  gap: 8px;
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

.page-news .series-more li {
  position: relative;
  padding-left: 13px;
  font-size: 13px;
  line-height: 1.65;
  color: rgba(253, 252, 247, 0.8);
}

.page-news .series-more li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
}

@media (min-width: 880px) {
  .page-news .series-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-news .series-card:nth-child(1) { grid-column: span 7; }
  .page-news .series-card:nth-child(2) { grid-column: span 5; }
  .page-news .series-card:nth-child(3) { grid-column: span 5; }
  .page-news .series-card:nth-child(4) { grid-column: span 7; }
}

/* 检索 */
.page-news .news-search {
  padding: clamp(32px, 5vw, 76px) 0;
}

.page-news .search-grid {
  display: grid;
  gap: clamp(20px, 2.6vw, 30px);
  margin-top: clamp(18px, 3vw, 30px);
}

.page-news .search-card {
  padding-top: 16px;
  border-top: 3px solid var(--green);
}

.page-news .search-card:nth-child(2) { border-top-color: var(--gold); }
.page-news .search-card:nth-child(3) { border-top-color: var(--orange); }

.page-news .search-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
}

.page-news .search-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--news-muted);
}

.page-news .search-help {
  display: grid;
  gap: 10px;
  margin-top: clamp(24px, 4vw, 40px);
  padding-top: 20px;
  border-top: 1px solid var(--news-line);
}

.page-news .search-help p {
  margin: 0;
  max-width: 62em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--news-muted);
}

.page-news .search-help a {
  color: var(--green);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 122, 90, 0.4);
}

.page-news .search-help a:hover,
.page-news .search-help a:focus-visible {
  border-bottom-color: var(--green);
}

@media (min-width: 760px) {
  .page-news .search-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* 图片基础保障 */
.page-news img {
  max-width: 100%;
  height: auto;
}

.page-news .media-frame img {
  display: block;
}

@media (prefers-reduced-motion: reduce) {
  .page-news .week-num,
  .page-news .rail-link,
  .page-news .series-more summary::after {
    transition: none;
  }

  .page-news .tl-scroller {
    scroll-behavior: auto;
  }
}
<<<END>>>