.page-news {
  --news-surface: rgba(255, 255, 255, 0.035);
  --news-surface-strong: rgba(255, 255, 255, 0.065);
  --news-border: rgba(255, 255, 255, 0.13);
  --news-ease: cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  min-height: 100vh;
  color: var(--text-light);
  background:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    var(--bg);
  background-size: 44px 44px;
}

.page-news a {
  color: var(--blue-2);
  text-decoration: none;
  transition: color 0.25s var(--news-ease);
}

.page-news a:hover {
  color: var(--green);
}

.page-news .news-hero {
  position: relative;
  border-bottom: 1px solid var(--grid);
  padding: 44px 20px 40px;
}

.page-news .news-hero-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.page-news .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 28px;
}

.page-news .breadcrumb a {
  color: var(--blue-2);
  text-decoration: none;
}

.page-news .news-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 12px;
}

.page-news .news-hero h1 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(2rem, 5.2vw, 4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text-light);
  margin: 0 0 20px;
  max-width: 12em;
}

.page-news .news-lead {
  max-width: 640px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
  margin: 0 0 28px;
}

.page-news .news-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--grid);
}

.page-news .stat-pill {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
  border: 1px solid var(--grid);
  padding: 7px 14px;
  background: rgba(255, 255, 255, 0.02);
}

.page-news .stat-pill strong {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 500;
  color: var(--green);
}

.page-news .news-hero-meta {
  display: none;
  position: absolute;
  top: 20px;
  right: 20px;
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 2;
  letter-spacing: 0.09em;
  color: rgba(248, 250, 252, 0.3);
  text-align: right;
}

.page-news .news-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 16px 72px;
}

.page-news .news-filter {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 12px;
  margin-bottom: 32px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-news .filter-item {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid var(--grid);
  background: rgba(255, 255, 255, 0.02);
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
  transition:
    border-color 0.25s var(--news-ease),
    color 0.25s var(--news-ease),
    background 0.25s var(--news-ease);
}

.page-news .filter-item:hover {
  border-color: var(--blue-2);
  color: var(--text-light);
  background: var(--news-surface-strong);
}

.page-news .filter-index {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--blue-2);
}

.page-news .filter-count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--green);
}

.page-news .filter-meta {
  display: none;
}

.page-news .news-stream {
  display: flex;
  flex-direction: column;
  gap: 64px;
}

.page-news .news-section {
  position: relative;
}

.page-news .section-head {
  margin-bottom: 28px;
  padding-left: 16px;
  border-left: 3px solid var(--blue);
}

.page-news .section-head h2 {
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 600;
  line-height: 1.2;
  color: var(--text-light);
  margin: 0 0 6px;
}

.page-news .section-head p {
  color: var(--muted);
  font-size: 13px;
  margin: 0;
}

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

.page-news .log-card {
  border: 1px solid var(--news-border);
  background: var(--news-surface);
  padding: 20px;
  transition:
    transform 0.3s var(--news-ease),
    border-color 0.3s var(--news-ease),
    box-shadow 0.3s var(--news-ease);
}

.page-news .log-card:hover {
  transform: translateY(-4px);
  border-color: var(--blue-2);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

.page-news .log-tagrow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.page-news .log-time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.page-news .log-card h3 {
  font-family: var(--font-head);
  font-size: 18px;
  line-height: 1.3;
  color: var(--text-light);
  margin: 0 0 10px;
}

.page-news .log-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  margin: 0;
}

.page-news .log-tag {
  display: inline-block;
  padding: 4px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-light);
  clip-path: polygon(9px 0, 100% 0, calc(100% - 9px) 100%, 0 100%);
}

.page-news .tag-orange {
  background: var(--orange);
}

.page-news .tag-green {
  background: var(--green);
  color: var(--bg);
}

.page-news .tag-blue {
  background: var(--blue-2);
}

.page-news .log-card-featured {
  background: var(--surface);
  color: var(--text);
  padding: 0;
  overflow: hidden;
  border: 0;
}

.page-news .log-card-featured:hover {
  border-color: transparent;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.4);
}

.page-news .log-card-featured .log-image {
  margin: 0;
}

.page-news .log-card-featured .log-image img {
  width: 100%;
  height: auto;
  display: block;
}

.page-news .log-card-featured .log-card-body {
  padding: 22px 24px 24px;
}

.page-news .log-card-featured h3 {
  color: var(--blue);
  font-size: 22px;
}

.page-news .log-card-featured p {
  color: var(--text);
}

.page-news .log-card-featured .log-time {
  color: var(--muted);
}

.page-news .log-card-expand summary {
  list-style: none;
  cursor: pointer;
  display: block;
}

.page-news .log-card-expand summary::-webkit-details-marker {
  display: none;
}

.page-news .log-card-expand summary:hover {
  opacity: 0.96;
}

.page-news .log-excerpt {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.page-news .log-card-expand[open] .log-excerpt {
  color: var(--text-light);
}

.page-news .expand-hint {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--blue-2);
}

.page-news .expand-hint::after {
  content: "展开全文";
}

.page-news .log-card-expand[open] .expand-hint::after {
  content: "收起";
}

.page-news .log-detail {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--grid);
}

.page-news .tl-wrap {
  position: relative;
  padding-left: 28px;
}

.page-news .tl-line {
  position: absolute;
  left: 4px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  height: calc(100% - 12px);
}

.page-news .tl-line line {
  stroke: var(--grid);
  stroke-width: 2;
  stroke-dasharray: 0.02 0.05;
  vector-effect: non-scaling-stroke;
}

.page-news .tl-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.page-news .tl-item {
  position: relative;
  background: var(--news-surface);
  border: 1px solid var(--news-border);
  padding: 22px 20px;
  transition:
    border-color 0.3s var(--news-ease),
    transform 0.3s var(--news-ease);
}

.page-news .tl-item:hover {
  border-color: var(--blue-2);
  transform: translateX(4px);
}

.page-news .tl-dot {
  position: absolute;
  left: -29px;
  top: 50%;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg);
  border: 3px solid var(--green);
  box-shadow: 0 0 0 4px rgba(24, 225, 143, 0.15);
  transform: translateY(-50%);
}

.page-news .tl-item:nth-child(2) .tl-dot {
  border-color: var(--blue-2);
  box-shadow: 0 0 0 4px rgba(46, 110, 158, 0.2);
}

.page-news .tl-item:nth-child(3) .tl-dot {
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 109, 0, 0.15);
}

.page-news .tl-phase {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green);
  margin: 0 0 8px;
}

.page-news .tl-item:nth-child(2) .tl-phase {
  color: var(--blue-2);
}

.page-news .tl-item:nth-child(3) .tl-phase {
  color: var(--orange);
}

.page-news .tl-content h3 {
  font-family: var(--font-head);
  font-size: 17px;
  line-height: 1.3;
  color: var(--text-light);
  margin: 0 0 8px;
}

.page-news .tl-content p {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
  margin: 0;
}

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

.page-news .note-card {
  border: 1px solid var(--news-border);
  border-top: 3px solid var(--green);
  background: var(--news-surface);
  padding: 22px;
  transition:
    border-color 0.3s var(--news-ease),
    background 0.3s var(--news-ease);
}

.page-news .note-card:hover {
  border-color: var(--blue-2);
  background: var(--news-surface-strong);
}

.page-news .note-index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--green);
  margin: 0 0 12px;
}

.page-news .note-card h3 {
  font-family: var(--font-head);
  font-size: 17px;
  line-height: 1.3;
  color: var(--text-light);
  margin: 0 0 10px;
}

.page-news .note-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  margin: 0;
}

.page-news .note-figure {
  margin: 0;
  border: 1px solid var(--news-border);
  background: rgba(18, 58, 102, 0.35);
  padding: 8px;
}

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

.page-news .note-figure figcaption {
  padding: 12px 8px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.page-news .insight-figure {
  margin: 0 0 24px;
  border: 1px solid var(--news-border);
  background: linear-gradient(135deg, rgba(18, 58, 102, 0.4), rgba(10, 11, 13, 0.2));
  padding: 8px;
}

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

.page-news .insight-figure figcaption {
  padding: 12px 8px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

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

.page-news .insight-card {
  border: 1px solid var(--news-border);
  border-left: 4px solid var(--blue);
  background: var(--news-surface);
  padding: 22px 22px 22px 26px;
  transition:
    transform 0.3s var(--news-ease),
    border-color 0.3s var(--news-ease);
}

.page-news .insight-card:hover {
  transform: translateY(-4px);
  border-color: var(--blue-2);
}

.page-news .insight-card:nth-child(2) {
  border-left-color: var(--green);
}

.page-news .insight-card:nth-child(3) {
  border-left-color: var(--orange);
}

.page-news .insight-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--blue-2);
}

.page-news .insight-card h3 {
  font-family: var(--font-head);
  font-size: 17px;
  line-height: 1.3;
  color: var(--text-light);
  margin: 8px 0 10px;
}

.page-news .insight-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  margin: 0;
}

.page-news .insight-silhouette {
  margin: 28px 0 0;
  border: 1px solid var(--news-border);
  background: rgba(46, 110, 158, 0.15);
  padding: 8px;
}

.page-news .insight-silhouette img {
  width: 100%;
  height: auto;
  display: block;
  mix-blend-mode: screen;
  opacity: 0.9;
}

.page-news .insight-silhouette figcaption {
  padding: 12px 8px 8px;
  font-size: 12px;
  color: var(--muted);
}

.page-news .stream-more {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 32px;
  border-top: 1px solid var(--grid);
}

.page-news .stream-more a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border: 1px solid var(--grid);
  color: var(--text-light);
  font-size: 13px;
  transition:
    border-color 0.25s var(--news-ease),
    color 0.25s var(--news-ease),
    background 0.25s var(--news-ease);
}

.page-news .stream-more a:hover {
  border-color: var(--green);
  color: var(--green);
  background: rgba(24, 225, 143, 0.08);
}

@media (prefers-reduced-motion: reduce) {
  .page-news .log-card,
  .page-news .log-card-featured,
  .page-news .tl-item,
  .page-news .note-card,
  .page-news .insight-card {
    transition: none;
    transform: none;
  }
}

@media (min-width: 1024px) {
  .page-news .news-hero {
    padding: 72px 48px 56px;
  }

  .page-news .news-hero-meta {
    display: block;
  }

  .page-news .news-layout {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 56px;
    padding: 56px 48px 96px;
    align-items: start;
  }

  .page-news .news-filter {
    position: sticky;
    top: 24px;
    flex-direction: column;
    gap: 6px;
    overflow: visible;
    margin: 0;
    padding: 0;
  }

  .page-news .filter-item {
    width: 100%;
    justify-content: flex-start;
    border: 0;
    border-left: 2px solid var(--grid);
    background: transparent;
    padding: 12px 14px;
  }

  .page-news .filter-item:hover {
    background: var(--news-surface-strong);
    border-left-color: var(--green);
  }

  .page-news .filter-meta {
    display: block;
    margin-top: 32px;
    padding-top: 20px;
    border-top: 1px solid var(--grid);
    font-size: 12px;
    line-height: 1.7;
    color: var(--muted);
  }

  .page-news .filter-meta p {
    margin: 0 0 6px;
  }

  .page-news .filter-meta p.mono {
    color: var(--green);
    font-size: 11px;
    letter-spacing: 0.16em;
  }

  .page-news .news-stream {
    gap: 88px;
  }

  .page-news .latest-list {
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
  }

  .page-news .log-card-featured {
    grid-column: 1 / 5;
    grid-row: 1 / 3;
  }

  .page-news .log-card-expand:nth-of-type(2) {
    grid-column: 5 / 7;
    grid-row: 1;
  }

  .page-news .log-card-expand:nth-of-type(3) {
    grid-column: 5 / 7;
    grid-row: 2;
  }

  .page-news .tl-wrap {
    padding-left: 36px;
  }

  .page-news .tl-line {
    left: 8px;
  }

  .page-news .tl-dot {
    left: -37px;
  }

  .page-news .notes-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .page-news .note-figure {
    grid-column: 1 / -1;
  }

  .page-news .insights-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .page-news .insight-figure {
    max-width: 900px;
  }

  .page-news .insight-silhouette {
    max-width: 700px;
    margin-left: auto;
    margin-right: 0;
  }

  .page-news .stream-more {
    justify-content: flex-end;
  }
}