.page-news {
  --news-rail: 36px;
  background: var(--warm-paper);
  color: var(--ink-blue);
  min-height: 100vh;
}

.page-news .container {
  max-width: var(--content-max);
  margin-inline: auto;
  min-width: 0;
}

.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: rgba(30, 42, 74, 0.65);
  padding-bottom: 22px;
  border-bottom: 1px solid rgba(212, 175, 55, 0.4);
}

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

.page-news .breadcrumb a:hover {
  color: var(--orchid);
  text-decoration: underline;
}

.page-news .news-header {
  display: grid;
  gap: 24px;
  padding: 42px 0 34px;
  border-bottom: 1px solid rgba(212, 175, 55, 0.35);
}

.page-news .news-title-group {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 14px;
}

.page-news .page-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.15;
  color: var(--royal-blue);
  letter-spacing: 0.02em;
  margin: 0;
}

.page-news .page-lead {
  font-size: 1.0625rem;
  line-height: 1.9;
  max-width: 62ch;
  color: var(--ink-blue);
  margin: 0;
}

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

.page-news .stat-item {
  background: var(--royal-blue);
  color: var(--mist-white);
  border: 1px solid rgba(212, 175, 55, 0.45);
  border-radius: 8px;
  padding: 16px;
}

.page-news .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(1.375rem, 3vw, 2rem);
  line-height: 1.2;
  color: var(--pale-gold);
  letter-spacing: 0.01em;
}

.page-news .stat-label {
  display: block;
  margin-top: 6px;
  font-size: 0.875rem;
  opacity: 0.82;
}

.page-news .news-ornament {
  display: block;
  width: min(220px, 100%);
  height: auto;
}

.page-news section,
.page-news .notice-section,
.page-news .timeline-section,
.page-news .versions-section,
.page-news .trust-bar {
  scroll-margin-top: 32px;
}

.page-news .notice-section,
.page-news .timeline-section,
.page-news .versions-section,
.page-news .trust-bar {
  margin-top: 64px;
}

.page-news .layout-split {
  margin-top: 64px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 48px;
}

.page-news .features-section,
.page-news .activity-panel {
  margin-top: 0;
}

.page-news .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 26px;
}

.page-news .section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  margin: 0;
  padding-left: 14px;
  border-left: 3px solid var(--antique-gold);
  color: var(--royal-blue);
}

.page-news .section-more {
  margin-left: auto;
  font-size: 0.9375rem;
  color: var(--orchid);
  text-decoration: none;
}

.page-news .section-more:hover {
  color: var(--plum-red);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-news .text-link {
  font-size: 0.9375rem;
  color: var(--orchid);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-news .text-link:hover {
  color: var(--plum-red);
}

.page-news .notice-topline {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 22px;
  padding: 16px 18px;
  background: var(--deep-navy);
  border: 1px solid rgba(212, 175, 55, 0.4);
  border-radius: 8px;
  color: var(--mist-white);
}

.page-news .notice-icon {
  width: 80px;
  height: 80px;
  flex-shrink: 0;
  object-fit: cover;
  border-radius: 6px;
}

.page-news .notice-desc {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
}

.page-news .notice-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-news .notice-card {
  position: relative;
  padding: 20px;
  background: var(--card-bg);
  border: 1px solid rgba(212, 175, 55, 0.5);
  border-left: 4px solid var(--plum-red);
  border-radius: 8px;
  box-shadow: 0 6px 18px rgba(6, 19, 43, 0.06);
}

.page-news .notice-card h3 {
  margin: 14px 0 8px;
  font-family: var(--font-serif);
  font-size: 1.125rem;
  color: var(--royal-blue);
}

.page-news .notice-card p {
  margin: 0 0 12px;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--ink-blue);
}

.page-news .cat-announce {
  border-color: var(--plum-red);
  color: var(--plum-red);
  background: rgba(139, 34, 82, 0.06);
}

.page-news .cat-version {
  border-color: #b8922a;
  color: #8c6f1c;
  background: rgba(212, 175, 55, 0.08);
}

.page-news .cat-activity {
  border-color: var(--orchid);
  color: var(--orchid);
  background: rgba(166, 50, 104, 0.06);
}

.page-news .detail-box {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed rgba(212, 175, 55, 0.45);
}

.page-news .detail-box summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  list-style: none;
  font-size: 0.9375rem;
  color: var(--royal-blue);
}

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

.page-news .detail-box summary::after {
  content: "＋";
  color: var(--plum-red);
  font-weight: 700;
}

.page-news .detail-box[open] summary::after {
  content: "－";
}

.page-news .detail-box p {
  margin: 10px 0 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--ink-blue);
}

.page-news .timeline {
  position: relative;
  padding-left: var(--news-rail);
}

.page-news .timeline::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: calc(var(--news-rail) / 2);
  width: 2px;
  transform: translateX(-50%);
  background: linear-gradient(to bottom, transparent, var(--antique-gold) 8%, rgba(212, 175, 55, 0.4) 92%, transparent);
}

.page-news .timeline-item {
  position: relative;
  margin-bottom: 18px;
}

.page-news .timeline-item::before {
  content: "";
  position: absolute;
  top: 16px;
  left: calc(-1 * var(--news-rail) / 2);
  width: 12px;
  height: 12px;
  transform: translate(-6px, 0) rotate(45deg);
  background: var(--royal-blue);
  border: 2px solid var(--antique-gold);
  box-shadow: 0 0 0 4px var(--warm-paper);
  z-index: 1;
}

.page-news .timeline-card {
  padding: 20px;
  background: var(--card-bg);
  border: 1px solid rgba(212, 175, 55, 0.45);
  border-radius: 8px;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-news .timeline-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(6, 19, 43, 0.08);
}

.page-news .timeline-cat {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.page-news .timeline-when {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: rgba(30, 42, 74, 0.6);
}

.page-news .timeline-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  color: var(--royal-blue);
}

.page-news .timeline-card p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--ink-blue);
}

.page-news .version-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-news .version-visual-wrap {
  padding: 14px;
  background: var(--royal-blue);
  border: 1px solid rgba(212, 175, 55, 0.5);
  border-radius: 8px;
}

.page-news .version-visual {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 4px;
}

.page-news .frame-note {
  margin: 12px 0 2px;
  font-size: 0.875rem;
  text-align: center;
  color: var(--pale-gold);
}

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

.page-news .version-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  background: var(--royal-blue);
  border: 1px solid rgba(212, 175, 55, 0.55);
  border-radius: 8px;
  color: var(--mist-white);
}

.page-news .version-num {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 1.15rem;
  color: var(--pale-gold);
}

.page-news .version-info h3 {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--warm-paper);
}

.page-news .version-info p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  opacity: 0.92;
}

.page-news .feature-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-news .feature-figure {
  margin: 0;
}

.page-news .feature-chart {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid rgba(212, 175, 55, 0.35);
  border-radius: 8px;
  background: var(--royal-blue);
}

.page-news .feature-figure figcaption {
  margin-top: 8px;
  font-size: 0.8125rem;
  color: rgba(30, 42, 74, 0.6);
}

.page-news .feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-news .feature-card {
  padding: 22px;
  background: var(--card-bg);
  border: 1px solid rgba(212, 175, 55, 0.5);
  border-radius: 8px;
}

.page-news .feature-card h3 {
  margin: 14px 0 8px;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--royal-blue);
}

.page-news .feature-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--ink-blue);
}

.page-news .activity-panel {
  padding-left: 0;
}

.page-news .activity-poster {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid rgba(212, 175, 55, 0.35);
  border-radius: 8px;
}

.page-news .activity-list {
  margin-top: 18px;
}

.page-news .activity-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px dashed rgba(212, 175, 55, 0.45);
}

.page-news .activity-item:last-child {
  border-bottom: none;
}

.page-news .activity-item h3 {
  margin: 2px 0 6px;
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  color: var(--royal-blue);
}

.page-news .activity-item p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--ink-blue);
}

.page-news .activity-note {
  margin: 16px 0 0;
  padding: 14px;
  font-size: 0.875rem;
  line-height: 1.8;
  background: rgba(10, 31, 68, 0.08);
  border-left: 3px solid var(--plum-red);
  color: var(--ink-blue);
}

.page-news .trust-bar {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  padding: 28px;
  background: linear-gradient(135deg, rgba(10, 31, 68, 0.97), rgba(6, 19, 43, 0.94));
  border: 1px solid rgba(212, 175, 55, 0.55);
  border-radius: 10px;
  color: var(--mist-white);
}

.page-news .trust-bar p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.9;
  max-width: 80ch;
}

.page-news .back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 36px;
  padding-bottom: 2px;
  font-size: 0.9375rem;
  color: var(--royal-blue);
  text-decoration: none;
  border-bottom: 1px solid var(--antique-gold);
}

.page-news .back-to-top:hover {
  color: var(--orchid);
}

@media (min-width: 768px) {
  .page-news .news-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-news .stat-item {
    padding: 20px;
  }

  .page-news .notice-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .trust-bar {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-news .version-layout {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-news .news-header {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-news .news-title-group {
    grid-column: 1;
    grid-row: 1;
  }

  .page-news .page-lead {
    grid-column: 2;
    grid-row: 1;
    padding-top: 14px;
    max-width: 56ch;
  }

  .page-news .news-stats {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .page-news .news-ornament {
    grid-column: 1 / -1;
    grid-row: 3;
    margin-top: 4px;
  }

  .page-news .layout-split {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 48px;
  }

  .page-news .activity-panel {
    padding-left: 24px;
    border-left: 1px solid rgba(212, 175, 55, 0.3);
  }

  .page-news .feature-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-news .feature-figure {
    position: relative;
    top: 4px;
  }
}