.page-news {
  --news-gap: clamp(20px, 3vw, 40px);
  --news-radius: 2px 22px 2px 22px;
  --news-card: linear-gradient(160deg, rgba(16, 31, 66, 0.94), rgba(10, 22, 51, 0.72));
  background: var(--space);
  color: var(--ink);
  overflow-wrap: break-word;
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 5vw, 64px) 0 clamp(24px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(115deg, rgba(34, 224, 214, 0.07) 0 1px, transparent 1px 20px),
    radial-gradient(60% 80% at 88% 0%, rgba(122, 92, 255, 0.28), transparent 70%);
  pointer-events: none;
}

.page-news .news-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-news .news-title {
  margin: 14px 0 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 6.4vw, 76px);
  line-height: 1.03;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-news .news-hero-lead {
  margin-top: 18px;
  max-width: 64ch;
  font-size: var(--step-1);
  line-height: 1.7;
  color: var(--ink-dim);
}

.page-news .news-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: clamp(24px, 4vw, 40px);
}

.page-news .news-stats .stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--news-radius);
  background: linear-gradient(160deg, rgba(16, 31, 66, 0.92), rgba(10, 22, 51, 0.55));
}

.page-news .news-stats .stat-value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1;
  color: var(--orange);
}

.page-news .news-stats .stat-label {
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--rock);
}

.page-news .news-section {
  position: relative;
  padding: clamp(40px, 7vw, 88px) 0;
}

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

.page-news .news-head {
  max-width: 760px;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-news .news-figure {
  margin: 0 0 clamp(20px, 3vw, 32px);
}

.page-news figure img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--news-radius);
  border: 1px solid var(--line);
}

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

.page-news .news-focus-lead {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--line-cyan);
  border-radius: var(--news-radius);
  background: linear-gradient(150deg, rgba(16, 31, 66, 0.96), rgba(122, 92, 255, 0.16));
}

.page-news .news-focus-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--news-radius);
  background: var(--news-card);
}

.page-news .news-focus h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 2.6vw, 30px);
  line-height: 1.15;
  color: var(--cream);
}

.page-news .news-focus p {
  margin: 0;
  color: var(--ink-dim);
  line-height: 1.72;
}

.page-news .news-focus .meta {
  color: var(--rock);
}

.page-news .news-focus-lead .btn {
  align-self: flex-start;
  margin-top: auto;
}

.page-news .news-focus-card .btn {
  align-self: flex-start;
  margin-top: auto;
}

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

.page-news .news-main {
  order: 2;
  min-width: 0;
}

.page-news .news-side {
  order: 1;
  min-width: 0;
}

.page-news .news-side-panel {
  display: block;
  padding: clamp(16px, 2.4vw, 22px);
  border: 1px solid var(--line-cyan);
  border-radius: var(--news-radius);
  background: linear-gradient(170deg, rgba(16, 31, 66, 0.96), rgba(10, 22, 51, 0.7));
}

.page-news .news-side-title {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--cream);
}

.page-news .news-filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.page-news .news-filter {
  appearance: none;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--ink-dim);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.2;
  cursor: pointer;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-news .news-filter:hover {
  border-color: var(--line-cyan);
  color: var(--cream);
}

.page-news .news-filter[aria-pressed="true"] {
  border-color: var(--cyan);
  background: var(--cyan);
  color: var(--space);
  font-weight: 700;
}

.page-news .news-filter:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-news .news-side-panel .meta {
  margin: 14px 0 0;
  color: var(--rock);
  line-height: 1.65;
}

.page-news .news-feed {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .news-item {
  padding: clamp(16px, 2.4vw, 22px);
  border: 1px solid var(--line);
  border-radius: var(--news-radius);
  background: var(--news-card);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-news .news-item:hover {
  border-color: var(--line-violet);
  transform: translateY(-2px);
}

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

.page-news .news-item-title {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.4vw, 24px);
  line-height: 1.22;
  color: var(--cream);
}

.page-news .news-item-text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--ink-dim);
}

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

.page-news .news-dossier {
  border: 1px solid var(--line);
  border-radius: var(--news-radius);
  background: var(--news-card);
  overflow: hidden;
}

.page-news .news-dossier summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 16px clamp(16px, 2.4vw, 24px);
  cursor: pointer;
  list-style: none;
}

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

.page-news .news-dossier summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-news .news-dossier-title {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.3vw, 24px);
  line-height: 1.2;
  color: var(--cream);
}

.page-news .news-dossier-teaser {
  display: block;
  margin-top: 4px;
  font-size: 14px;
  color: var(--rock);
}

.page-news .news-dossier-toggle {
  position: relative;
  flex: none;
  width: 26px;
  height: 26px;
  border: 1px solid var(--line-cyan);
  border-radius: 50%;
}

.page-news .news-dossier-toggle::before,
.page-news .news-dossier-toggle::after {
  content: "";
  position: absolute;
  background: var(--cyan);
}

.page-news .news-dossier-toggle::before {
  left: 7px;
  right: 7px;
  top: 12px;
  height: 1px;
}

.page-news .news-dossier-toggle::after {
  top: 7px;
  bottom: 7px;
  left: 12px;
  width: 1px;
  transition: transform 0.25s var(--ease);
}

.page-news .news-dossier[open] .news-dossier-toggle::after {
  transform: scaleY(0);
}

.page-news .news-dossier-body {
  padding: 0 clamp(16px, 2.4vw, 24px) clamp(18px, 2.4vw, 26px);
  border-top: 1px solid var(--line);
}

.page-news .news-dossier-body > p {
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ink-dim);
}

.page-news .news-dossier-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
  margin: 18px 0 0;
}

.page-news .news-dossier-stats > div {
  padding-left: 12px;
  border-left: 2px solid var(--orange);
}

.page-news .news-dossier-stats dt {
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--rock);
}

.page-news .news-dossier-stats dd {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(19px, 2.2vw, 24px);
  line-height: 1;
  color: var(--orange);
}

.page-news .news-terms {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

.page-news .news-terms dt {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-news .news-terms dd {
  margin: 4px 0 0;
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--ink-dim);
}

.page-news .news-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--line-cyan);
  font-size: 14.5px;
  color: var(--cyan);
  text-decoration: none;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-news .news-more:hover {
  color: var(--lime);
  border-color: rgba(140, 255, 107, 0.6);
}

.page-news .news-more:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-news .news-brief-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--news-gap);
  align-items: start;
}

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

.page-news .news-brief-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.4vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--news-radius);
  background: var(--news-card);
}

.page-news .news-brief-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.2;
  color: var(--cream);
}

.page-news .news-brief-card p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--ink-dim);
}

.page-news .news-compact {
  margin-top: 16px;
  border: 1px solid var(--line);
  border-radius: var(--news-radius);
  background: rgba(16, 31, 66, 0.6);
}

.page-news .news-compact summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px clamp(16px, 2.4vw, 22px);
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan);
  cursor: pointer;
  list-style: none;
}

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

.page-news .news-compact summary::after {
  content: "展开";
  flex: none;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--rock);
}

.page-news .news-compact[open] summary::after {
  content: "收起";
  color: var(--lime);
}

.page-news .news-compact summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-news .news-compact-list {
  list-style: none;
  margin: 0;
  padding: 0 clamp(16px, 2.4vw, 22px) clamp(14px, 2vw, 20px);
  display: grid;
}

.page-news .news-compact-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.page-news .news-compact-title {
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--cream);
}

.page-news .news-compact-list .meta {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--rock);
}

.page-news .news-timeline {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
}

.page-news .news-timeline-node {
  position: relative;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.page-news .news-timeline-node::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(34, 224, 214, 0.75);
}

.page-news .news-timeline-node h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.25;
  color: var(--cream);
}

.page-news .news-timeline-node p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--ink-dim);
}

.page-news .news-rhythm-note {
  margin: 22px 0 0;
  padding: 16px 18px;
  border-left: 2px solid var(--lime);
  background: rgba(140, 255, 107, 0.06);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-dim);
}

.page-news .news-return-panel {
  padding: clamp(22px, 4vw, 44px);
  border: 1px solid var(--line-violet);
  border-radius: var(--news-radius);
  background: linear-gradient(140deg, rgba(122, 92, 255, 0.2), rgba(10, 22, 51, 0.92));
}

.page-news .news-return-list {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 20px 0 0;
  padding: 0;
}

.page-news .news-return-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--ink-dim);
}

.page-news .news-return-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
}

.page-news .news-return-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

@media (min-width: 760px) {
  .page-news .news-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-focus {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-news .news-focus-lead {
    grid-row: span 2;
  }

  .page-news .news-timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 24px;
  }

  .page-news .news-return-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 28px;
  }
}

@media (min-width: 900px) {
  .page-news .news-brief-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

@media (min-width: 980px) {
  .page-news .news-layout {
    grid-template-columns: minmax(0, 8fr) minmax(0, 3fr);
    align-items: start;
  }

  .page-news .news-main {
    order: 1;
  }

  .page-news .news-side {
    order: 2;
    position: sticky;
    top: 100px;
  }

  .page-news .news-timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (min-width: 1200px) {
  .page-news .news-dossier summary {
    gap: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item {
    transition: none;
  }

  .page-news .news-item:hover {
    transform: none;
  }

  .page-news .news-dossier-toggle::after,
  .page-news .news-more,
  .page-news .news-filter {
    transition: none;
  }
}