.page-news {
  --news-line: rgba(0, 212, 255, 0.16);
  --news-card-bg: linear-gradient(145deg, rgba(15, 37, 64, 0.72), rgba(7, 16, 34, 0.92));
  position: relative;
  overflow: hidden;
  padding-bottom: 72px;
  background:
    radial-gradient(900px 320px at 88% -4%, rgba(57, 255, 136, 0.09), transparent 65%),
    var(--bg-main);
}

.page-news::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, transparent calc(50% - 1px), rgba(0, 212, 255, 0.05) 0 1px, transparent 0),
    linear-gradient(rgba(0, 212, 255, 0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
}

.page-news .container {
  width: min(100% - 40px, 1180px);
  margin-inline: auto;
}

.page-news [id] {
  scroll-margin-top: 140px;
}

.page-news .news-jumbotron {
  position: relative;
  padding: 44px 0 36px;
}

.page-news .breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  margin-bottom: 28px;
  color: var(--text-dim);
}

.page-news .breadcrumb a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.3s;
}

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

.page-news .news-jumbo-flex {
  display: block;
}

.page-news .news-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.18em;
  font-weight: 600;
  color: var(--accent-cool);
  margin-bottom: 14px;
}

.page-news .news-kicker::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(57, 255, 136, 0.18);
}

.page-news h1 {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(28px, 5vw, 48px);
  line-height: 1.16;
  color: var(--text-main);
  max-width: 860px;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.page-news .lede {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-body);
  max-width: 720px;
  margin-bottom: 32px;
}

.page-news .news-legend-svg {
  display: none;
}

.page-news .news-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(15, 37, 64, 0.55);
  backdrop-filter: blur(12px);
  width: 100%;
}

.page-news .filter-title {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-basis: 100%;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--text-dim);
  text-transform: uppercase;
}

.page-news .filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  background: rgba(244, 247, 251, 0.06);
  color: var(--text-soft);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  transition: transform 0.3s, background 0.3s, color 0.3s, border-color 0.3s;
}

.page-news .filter-chip::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.7;
}

.page-news .filter-chip:hover {
  transform: translateY(-2px);
  background: rgba(57, 255, 136, 0.12);
  color: var(--accent);
}

.page-news .filter-chip.is-all {
  background: rgba(57, 255, 136, 0.14);
  border-color: rgba(57, 255, 136, 0.3);
  color: var(--accent);
}

.page-news .filter-chip.is-transfer {
  color: var(--accent);
}

.page-news .filter-chip.is-data {
  color: var(--accent-cool);
}

.page-news .filter-chip.is-version {
  color: var(--text-main);
}

.page-news .filter-chip.is-special {
  color: var(--alert);
}

.page-news .news-feed {
  margin-top: 28px;
}

.page-news .news-block {
  display: grid;
  gap: 28px;
  padding: 8px 0 16px;
}

.page-news .news-block + .news-block {
  margin-top: 72px;
}

.page-news .news-block-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-bottom: 4px;
}

.page-news .block-index {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(34px, 6vw, 54px);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(57, 255, 136, 0.7);
}

.page-news .block-id {
  flex: 1 1 auto;
  min-width: 180px;
}

.page-news .block-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--accent-cool);
  text-transform: uppercase;
  margin-bottom: 5px;
}

.page-news .news-block h2 {
  font-size: 26px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.3;
}

.page-news .block-stat {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(57, 255, 136, 0.25);
  background: rgba(57, 255, 136, 0.08);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-soft);
  width: 100%;
}

.page-news .block-stat .stat-num {
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.page-news .block-stat .stat-unit {
  line-height: 1.4;
}

.page-news .news-data-block .stat-num {
  color: var(--accent-cool);
}

.page-news .news-version-block .stat-num {
  color: var(--text-main);
}

.page-news .news-special-block .stat-num {
  color: var(--alert);
}

.page-news .block-summary {
  flex-basis: 100%;
  color: var(--text-soft);
  line-height: 1.7;
  font-size: 15px;
  max-width: 680px;
}

.page-news .news-block-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-panel);
}

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

.page-news .news-block-figure figcaption {
  padding: 10px 16px;
  font-size: 12px;
  color: var(--text-dim);
  background: rgba(7, 16, 34, 0.6);
  border-top: 1px solid var(--line);
}

.page-news .timeline-list {
  position: relative;
}

.page-news .timeline-list::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 6px;
  width: 1px;
  background: linear-gradient(to bottom, rgba(57, 255, 136, 0.5), rgba(0, 212, 255, 0.12));
}

.page-news .timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding-left: 30px;
  margin-bottom: 22px;
}

.page-news .timeline-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 30px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--bg-main);
  border: 3px solid var(--accent);
  box-shadow: 0 0 0 4px rgba(57, 255, 136, 0.14);
}

.page-news .timeline-item.is-data::before {
  border-color: var(--accent-cool);
  box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.14);
}

.page-news .timeline-item.is-version::before {
  border-color: var(--text-main);
  box-shadow: 0 0 0 4px rgba(244, 247, 251, 0.12);
}

.page-news .timeline-item.is-special::before {
  border-color: var(--alert);
  box-shadow: 0 0 0 4px rgba(255, 91, 58, 0.14);
}

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

.page-news .meta-icon {
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
  color: var(--text-dim);
}

.page-news .is-transfer .meta-icon {
  color: var(--accent);
}

.page-news .is-data .meta-icon {
  color: var(--accent-cool);
}

.page-news .is-version .meta-icon {
  color: var(--text-main);
}

.page-news .is-special .meta-icon {
  color: var(--alert);
}

.page-news .timeline-round {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  background: rgba(244, 247, 251, 0.06);
  padding: 5px 12px;
  border-radius: var(--radius-pill);
}

.page-news .tag-chip {
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.04em;
}

.page-news .tag-transfer {
  color: var(--accent);
  background: rgba(57, 255, 136, 0.12);
}

.page-news .tag-data {
  color: var(--accent-cool);
  background: rgba(0, 212, 255, 0.12);
}

.page-news .tag-version {
  color: var(--text-main);
  background: rgba(244, 247, 251, 0.12);
}

.page-news .tag-special {
  color: var(--alert);
  background: rgba(255, 91, 58, 0.12);
}

.page-news details.timeline-card {
  position: relative;
  border: 1px solid var(--line);
  background: var(--news-card-bg);
  border-radius: 18px;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s;
}

.page-news details.timeline-card[open] {
  border-color: rgba(57, 255, 136, 0.35);
}

.page-news details.timeline-card summary {
  cursor: pointer;
  list-style: none;
  padding: 20px;
}

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

.page-news .timeline-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.page-news .timeline-card h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.4;
}

.page-news .timeline-excerpt {
  margin: 10px 0 0;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.7;
}

.page-news .expand-icon {
  position: relative;
  flex: 0 0 26px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(57, 255, 136, 0.14);
}

.page-news .expand-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: translate(-50%, -55%) rotate(45deg);
  transition: transform 0.3s;
}

.page-news details[open] .expand-icon {
  background: rgba(57, 255, 136, 0.24);
}

.page-news details[open] .expand-icon::after {
  transform: translate(-50%, -45%) rotate(225deg);
}

.page-news .timeline-detail {
  border-top: 1px solid var(--line);
  padding: 16px 20px 20px;
}

.page-news .timeline-detail p {
  color: var(--text-body);
  font-size: 14px;
  line-height: 1.8;
}

.page-news .news-subscribe {
  margin-top: 84px;
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  background:
    radial-gradient(600px 160px at 85% 0%, rgba(0, 212, 255, 0.16), transparent 60%),
    linear-gradient(135deg, rgba(57, 255, 136, 0.2), rgba(15, 37, 64, 0.9) 46%, var(--bg-panel));
  border: 1px solid rgba(57, 255, 136, 0.3);
  display: grid;
  gap: 24px;
}

.page-news .news-subscribe h2 {
  font-size: 26px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 10px;
}

.page-news .news-subscribe p {
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.7;
  max-width: 480px;
}

.page-news .subscribe-mock {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 16px 20px;
  border-radius: 18px;
  background: rgba(7, 16, 34, 0.45);
  border: 1px solid rgba(0, 212, 255, 0.18);
  font-family: var(--font-mono);
  font-size: 13px;
}

.page-news .mock-label {
  color: var(--accent-cool);
  font-weight: 600;
  letter-spacing: 0.08em;
}

.page-news .mock-value {
  color: var(--text-main);
}

.page-news .mock-sep {
  width: 1px;
  height: 22px;
  background: var(--line);
}

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

.page-news .subscribe-note {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
}

@media (prefers-reduced-motion: no-preference) {
  .page-news .timeline-item {
    animation: page-news-rise-in 0.6s ease both;
    animation-timeline: view();
    animation-range: entry 5% cover 32%;
  }
}

@keyframes page-news-rise-in {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 700px) {
  .page-news .block-stat {
    width: auto;
    margin-left: auto;
  }

  .page-news .news-filter-bar {
    max-width: fit-content;
  }

  .page-news .filter-title {
    flex-basis: auto;
    margin-right: 6px;
  }

  .page-news .timeline-item {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 28px;
    padding-left: 0;
  }

  .page-news .timeline-list::before {
    left: 149px;
  }

  .page-news .timeline-item::before {
    left: 142px;
    top: 24px;
  }

  .page-news .timeline-meta {
    align-content: start;
  }
}

@media (min-width: 860px) {
  .page-news .news-jumbo-flex {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 32px;
    align-items: center;
  }

  .page-news .news-legend-svg {
    display: block;
    width: 360px;
    height: auto;
  }

  .page-news .news-data-block,
  .page-news .news-version-block,
  .page-news .news-special-block {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 32px 48px;
    align-items: end;
  }

  .page-news .news-data-block .news-block-head {
    grid-column: 1;
  }

  .page-news .news-data-block .news-block-figure {
    grid-column: 2;
    grid-row: 1 / 3;
  }

  .page-news .news-version-block .news-block-head {
    grid-column: 2;
    grid-row: 1;
  }

  .page-news .news-version-block .news-block-figure {
    grid-column: 1;
    grid-row: 1 / 3;
  }

  .page-news .news-special-block .news-block-head {
    grid-column: 2;
    grid-row: 1;
  }

  .page-news .news-special-block .news-block-figure {
    grid-column: 1;
    grid-row: 1 / 3;
  }

  .page-news .news-data-block .timeline-list,
  .page-news .news-version-block .timeline-list,
  .page-news .news-special-block .timeline-list {
    grid-column: 1 / -1;
  }

  .page-news .news-subscribe {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .page-news .subscribe-actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1024px) {
  .page-news .news-subscribe {
    padding: 48px 44px;
  }
}