.page-news {
  --news-accent: #FF5A36;
  --news-live: #4FEF82;
  --news-ink: #F2E9DB;
  --news-dim: #C7BAA8;
  --news-line: #3A3F45;
  --news-surface: #1B1F24;
  --news-muted: #8A7C6D;
  --news-bg: #121416;
  --news-font-display: Impact, "Arial Narrow", "Noto Sans SC", "PingFang SC", sans-serif;
  --news-font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --news-font-mono: "JetBrains Mono", "SF Mono", Menlo, monospace;
  --news-ease: cubic-bezier(0.2, 0, 0, 1);
  background: var(--news-bg);
  color: var(--news-ink);
  font-family: var(--news-font-body);
  line-height: 1.7;
  overflow-x: hidden;
}

.page-news .news-shell {
  position: relative;
  padding-bottom: 80px;
}

.page-news .container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-news .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 28px;
  font-size: 13px;
  color: var(--news-muted);
  letter-spacing: 0.02em;
}

.page-news .breadcrumb a {
  color: var(--news-muted);
  text-decoration: none;
  transition: color 80ms var(--news-ease);
}

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

.page-news .breadcrumb__sep {
  color: var(--news-line);
}

.page-news .news-hero {
  position: relative;
  padding: 36px 0 48px;
  border-bottom: 1px solid var(--news-line);
  margin-bottom: 56px;
}

.page-news .news-hero__index {
  font-family: var(--news-font-mono);
  font-size: 13px;
  color: var(--news-accent);
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.page-news .news-hero__title {
  font-family: var(--news-font-display);
  font-weight: 900;
  font-size: clamp(24px, 4vw, 42px);
  line-height: 1.15;
  margin: 0 0 16px;
  max-width: 720px;
  text-transform: uppercase;
  letter-spacing: 0.01em;
}

.page-news .news-hero__lede {
  font-size: 16px;
  max-width: 640px;
  color: var(--news-dim);
  margin: 0 0 20px;
}

.page-news .news-hero__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.page-news .news-hero__meta-text {
  font-family: var(--news-font-mono);
  font-size: 13px;
  color: var(--news-muted);
}

.page-news .tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border: 1px solid var(--news-line);
  font-size: 12px;
  font-family: var(--news-font-mono);
  letter-spacing: 0.04em;
  color: var(--news-ink);
  text-decoration: none;
  background: transparent;
  transition: border-color 80ms var(--news-ease), color 80ms var(--news-ease);
}

.page-news a.tag:hover {
  border-color: var(--news-accent);
  color: var(--news-accent);
}

.page-news .live-dot {
  width: 6px;
  height: 6px;
  background: var(--news-live);
  border-radius: 0;
  display: inline-block;
  animation: news-pulse 1.4s ease-in-out infinite;
}

@keyframes news-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.page-news .news-filters {
  display: flex;
  gap: 8px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.page-news .news-filter {
  padding: 8px 18px;
  background: transparent;
  border: 1px solid var(--news-line);
  color: var(--news-dim);
  font-size: 14px;
  font-family: var(--news-font-body);
  cursor: pointer;
  transition: all 80ms var(--news-ease);
}

.page-news .news-filter:hover {
  border-color: var(--news-accent);
  color: var(--news-accent);
}

.page-news .news-filter.is-active {
  background: var(--news-accent);
  border-color: var(--news-accent);
  color: #121416;
  font-weight: 700;
}

.page-news .section {
  margin-bottom: 80px;
  scroll-margin-top: 24px;
}

.page-news .section-head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 32px;
  border-left: 3px solid var(--news-accent);
  padding-left: 16px;
}

.page-news .section-head__left {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-news .section-index {
  font-family: var(--news-font-mono);
  font-size: 15px;
  color: var(--news-accent);
  letter-spacing: 0.06em;
}

.page-news .section-title {
  font-family: var(--news-font-display);
  font-weight: 900;
  font-size: clamp(22px, 3vw, 32px);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.page-news .section-lede {
  font-size: 14px;
  color: var(--news-muted);
  margin: 0;
  max-width: 560px;
}

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

.page-news .featured-card {
  background: var(--news-surface);
  border: 1px solid var(--news-line);
  display: flex;
  flex-direction: column;
  transition: border-color 80ms var(--news-ease), transform 80ms var(--news-ease);
}

.page-news .featured-card:hover {
  border-color: #4a5057;
}

.page-news .featured-card--primary {
  grid-column: 1 / -1;
}

.page-news .featured-card--secondary {
  grid-column: 1 / -1;
}

.page-news .featured-card__media {
  position: relative;
  overflow: hidden;
}

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

.page-news .featured-card--primary .featured-card__media img {
  max-height: 420px;
}

.page-news .featured-card__badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--news-accent);
  color: #121416;
  font-family: var(--news-font-mono);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  letter-spacing: 0.04em;
}

.page-news .featured-card__body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-news .featured-card__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.page-news .featured-card__number {
  font-family: var(--news-font-mono);
  font-size: 12px;
  color: var(--news-accent);
  letter-spacing: 0.05em;
}

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

.page-news .featured-card__title {
  font-family: var(--news-font-display);
  font-weight: 900;
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.25;
  margin: 0;
}

.page-news .featured-card__excerpt {
  font-size: 15px;
  color: var(--news-dim);
  margin: 0;
}

.page-news .featured-card__points {
  list-style: none;
  padding: 0;
  margin: 4px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .featured-card__points li {
  font-family: var(--news-font-mono);
  font-size: 13px;
  color: var(--news-ink);
  border: 1px solid var(--news-line);
  padding: 4px 10px;
}

.page-news .featured-card__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: auto;
}

.page-news .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--news-accent);
  color: #121416;
  font-family: var(--news-font-body);
  font-weight: 700;
  font-size: 14px;
  border: 1px solid var(--news-accent);
  text-decoration: none;
  transition: background 80ms var(--news-ease), color 80ms var(--news-ease);
}

.page-news .btn:hover {
  background: transparent;
  color: var(--news-accent);
}

.page-news .btn--ghost {
  background: transparent;
  color: var(--news-ink);
  border-color: var(--news-line);
}

.page-news .btn--ghost:hover {
  border-color: var(--news-accent);
  color: var(--news-accent);
  background: transparent;
}

.page-news .featured-card__tags {
  display: flex;
  gap: 8px;
}

.page-news .featured-card--secondary .featured-card__media--compact img {
  max-height: 200px;
}

.page-news .version-layout {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 0;
}

.page-news .version-rail {
  position: relative;
}

.page-news .version-rail__line {
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--news-line);
}

.page-news .version-rail__node {
  position: absolute;
  left: 5px;
  width: 7px;
  height: 7px;
  background: var(--news-line);
}

.page-news .version-rail__node--top {
  top: 16px;
  background: var(--news-accent);
}

.page-news .version-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.page-news .version-item {
  position: relative;
  padding-left: 12px;
}

.page-news .version-item__marker {
  position: absolute;
  left: -28px;
  top: 8px;
  width: 9px;
  height: 9px;
  background: var(--news-accent);
}

.page-news .version-item__content {
  background: var(--news-surface);
  border: 1px solid var(--news-line);
  padding: 20px 22px;
}

.page-news .version-item__head {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 6px;
  flex-wrap: wrap;
}

.page-news .version-item__code {
  font-family: var(--news-font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--news-accent);
  letter-spacing: 0.03em;
}

.page-news .version-item__status {
  font-size: 12px;
  color: var(--news-ink);
  background: rgba(79, 239, 130, 0.08);
  border: 1px solid rgba(79, 239, 130, 0.4);
  padding: 2px 8px;
  font-family: var(--news-font-mono);
}

.page-news .version-item__title {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 6px;
}

.page-news .version-item__desc {
  font-size: 14px;
  color: var(--news-dim);
  margin: 0;
}

.page-news .version-item--expand {
  border: 1px solid var(--news-line);
  background: transparent;
}

.page-news .version-item__summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  color: var(--news-dim);
  font-size: 14px;
  list-style: none;
}

.page-news .version-item__summary::-webkit-details-marker {
  display: none;
}

.page-news .version-item__summary:hover {
  color: var(--news-accent);
}

.page-news .version-item--expand[open] .version-item__summary {
  border-bottom: 1px solid var(--news-line);
}

.page-news .version-item__history-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-news .version-item__history-list li {
  padding: 8px 0;
  border-bottom: 1px solid var(--news-line);
  font-size: 14px;
  color: var(--news-dim);
}

.page-news .version-item__history-list li:last-child {
  border-bottom: none;
}

.page-news .version-item__history-list strong {
  font-family: var(--news-font-mono);
  color: var(--news-ink);
  margin-right: 12px;
}

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

.page-news .data-topic-card {
  background: var(--news-surface);
  border: 1px solid var(--news-line);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 80ms var(--news-ease);
}

.page-news .data-topic-card:hover {
  border-color: #4a5057;
}

.page-news .data-topic-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.page-news .data-topic-card__num {
  font-family: var(--news-font-mono);
  font-size: 13px;
  color: var(--news-muted);
}

.page-news .data-topic-card__title {
  font-family: var(--news-font-display);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.3;
  margin: 0;
}

.page-news .data-topic-card__desc {
  font-size: 14px;
  color: var(--news-dim);
  margin: 0;
}

.page-news .data-topic-card--report {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  padding: 0;
}

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

.page-news .data-topic-card__body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

.page-news .guide-card {
  background: var(--news-surface);
  border: 1px solid var(--news-line);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 80ms var(--news-ease);
}

.page-news .guide-card:hover {
  border-color: #4a5057;
}

.page-news .guide-card--wide {
  grid-column: 1 / -1;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-news .guide-card__index {
  font-family: var(--news-font-mono);
  font-size: 14px;
  color: var(--news-accent);
  letter-spacing: 0.05em;
}

.page-news .guide-card__title {
  font-size: 19px;
  font-weight: 700;
  margin: 0;
  line-height: 1.35;
}

.page-news .guide-card__desc {
  font-size: 14px;
  color: var(--news-dim);
  margin: 0;
}

.page-news .guide-card__link {
  color: var(--news-accent);
  font-size: 14px;
  text-decoration: none;
  margin-top: auto;
  display: inline-block;
}

.page-news .guide-card__link:hover {
  text-decoration: underline;
}

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

.page-news .guide-card__body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

.page-news .more-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--news-line);
}

.page-news .more-item__date {
  font-family: var(--news-font-mono);
  font-size: 13px;
  color: var(--news-muted);
  padding-top: 2px;
}

.page-news .more-item__title {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 4px;
}

.page-news .more-item__desc {
  font-size: 14px;
  color: var(--news-dim);
  margin: 0;
}

@media (min-width: 640px) {
  .page-news .featured-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .featured-card--primary {
    grid-column: 1 / -1;
  }

  .page-news .featured-card--secondary {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: stretch;
  }

  .page-news .featured-card--secondary .featured-card__body {
    order: 1;
  }

  .page-news .featured-card--secondary .featured-card__media--compact {
    order: 2;
  }

  .page-news .featured-card--secondary .featured-card__media--compact img {
    height: 100%;
    max-height: none;
    min-height: 260px;
  }

  .page-news .data-topic-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .data-topic-card--report {
    grid-column: 1 / -1;
    grid-template-columns: 0.8fr 1.2fr;
  }

  .page-news .guide-layout {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .guide-card--wide {
    grid-column: 1 / -1;
    grid-template-columns: 1.1fr 0.9fr;
  }
}

@media (min-width: 1024px) {
  .page-news .container {
    padding: 0 32px;
  }

  .page-news .news-hero {
    padding: 48px 0 56px;
  }

  .page-news .featured-card--primary {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
  }

  .page-news .featured-card--primary .featured-card__media {
    order: 1;
  }

  .page-news .featured-card--primary .featured-card__body {
    order: 2;
    padding: 36px;
  }

  .page-news .featured-card--primary .featured-card__media img {
    height: 100%;
    max-height: none;
    min-height: 380px;
  }

  .page-news .section-index {
    font-size: 17px;
  }

  .page-news .version-item__content {
    padding: 28px 32px;
  }

  .page-news .more-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 40px;
  }
}