.page-news {
  max-width: var(--container-max);
  margin-inline: auto;
  padding: 0 var(--container-pad) 56px;
  background: transparent;
  font-family: var(--font-sans);
  color: var(--text-main);
}

.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 18px 0 10px;
  font-size: 13px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-light);
}

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

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

.page-news .news-hero {
  padding: 28px 0 12px;
}

.page-news .hero-topline {
  display: flex;
  align-items: center;
  gap: 14px;
}

.page-news .hero-decor {
  flex: 0 0 60px;
  width: 60px;
  height: 100px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.page-news .news-hero h1 {
  margin: 0;
  font-size: clamp(23px, 4.5vw, 40px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--text-main);
}

.page-news .hero-sub {
  margin: 7px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-muted);
}

.page-news .hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  margin-top: 16px;
}

.page-news .hero-links {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-left: auto;
}

.page-news .hero-link {
  padding: 6px 13px;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  font-size: 13px;
  color: var(--text-main);
  background: var(--color-card);
  text-decoration: none;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.page-news .hero-link:hover {
  border-color: var(--color-teal);
  color: var(--color-teal-dark);
}

.page-news .section-block {
  margin-top: 46px;
  scroll-margin-top: 24px;
}

.page-news .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  margin-bottom: 18px;
}

.page-news .section-num {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--color-teal-dark);
  font-weight: 700;
}

.page-news .section-title {
  margin: 0;
  font-size: clamp(20px, 3.4vw, 28px);
  line-height: 1.25;
  color: var(--text-main);
}

.page-news .section-note {
  margin-left: auto;
  font-size: 12px;
  color: var(--text-muted);
}

.page-news .timeline {
  border-left: 3px solid var(--border-color);
  padding-left: 14px;
  margin-top: 4px;
}

.page-news .timeline-batch {
  position: relative;
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 12px;
  padding: 16px 0;
}

.page-news .timeline-batch:first-child {
  padding-top: 6px;
}

.page-news .timeline-batch:last-child {
  padding-bottom: 6px;
}

.page-news .date-col {
  display: flex;
  flex-direction: column;
  gap: 3px;
  position: relative;
}

.page-news .date-range {
  font-size: 12px;
  color: var(--text-muted);
}

.page-news .batch-no {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-news .date-col::after {
  content: "";
  position: absolute;
  left: -21px;
  top: 20px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-teal);
  box-shadow: 0 0 0 3px var(--color-warm);
}

.page-news .timeline-batch.is-done .date-col::after {
  background: var(--color-blue);
}

.page-news .timeline-batch.is-updating .date-col::after {
  background: var(--color-rose);
}

.page-news .batch-content {
  background: var(--color-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 12px 14px;
}

.page-news .batch-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.page-news .batch-head img {
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.page-news .batch-title {
  margin: 0;
  font-size: 16px;
  line-height: 1.35;
}

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

.page-news .update-item {
  padding: 10px 0;
  border-top: 1px dashed var(--border-light);
}

.page-news .update-item:first-child {
  border-top: none;
  padding-top: 4px;
}

.page-news .update-title {
  margin: 5px 0 0;
  font-size: 14px;
  line-height: 1.5;
  font-weight: 600;
}

.page-news .update-meta {
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--text-muted);
}

.page-news .adjust-section {
  background: var(--color-deep);
  border-radius: var(--radius-lg);
  padding: 22px 16px 12px;
  color: var(--text-invert);
}

.page-news .adjust-section .section-title {
  color: var(--text-invert);
}

.page-news .adjust-section .section-num {
  color: var(--color-yellow);
}

.page-news .adjust-section .section-note {
  color: rgba(253, 254, 254, 0.68);
}

.page-news .adjust-rows {
  margin-top: 8px;
}

.page-news .adjust-row {
  display: grid;
  grid-template-columns: 76px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 13px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 14px;
  line-height: 1.45;
}

.page-news .adjust-row:last-child {
  border-bottom: none;
}

.page-news .adjust-type {
  font-size: 12px;
  font-weight: 700;
  text-align: center;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  color: var(--text-invert);
  white-space: nowrap;
}

.page-news .adjust-desc {
  opacity: 0.94;
}

.page-news .batch-badge {
  font-family: var(--font-mono);
  font-size: 12px;
  white-space: nowrap;
  opacity: 0.82;
}

.page-news .version-rail {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 10px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-news .version-card {
  flex: 0 0 272px;
  scroll-snap-align: start;
  background: var(--color-card);
  border: 1px solid var(--border-light);
  border-top: 4px solid var(--color-blue);
  border-radius: var(--radius-md);
  padding: 14px;
  box-shadow: var(--shadow-sm);
}

.page-news .version-card.is-active {
  border-top-color: var(--color-orange);
  box-shadow: var(--shadow-md);
}

.page-news .version-card img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  display: block;
}

.page-news .version-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin: 12px 0 6px;
}

.page-news .version-no {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-news .version-status {
  font-size: 12px;
  color: var(--text-muted);
}

.page-news .version-body {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
}

.page-news .version-meta {
  margin: 8px 0 0;
  font-size: 12px;
  color: var(--text-muted);
}

.page-news .archive-section {
  margin-bottom: 12px;
}

.page-news .archive-banner {
  margin-bottom: 16px;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-news .archive-banner img {
  display: block;
  width: 100%;
  height: 140px;
  object-fit: cover;
}

.page-news .archive-panel {
  background: var(--color-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.page-news .archive-panel summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

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

.page-news .archive-panel[open] summary {
  border-bottom: 1px solid var(--border-light);
  background: var(--color-warm);
}

.page-news .archive-range {
  font-size: 15px;
  font-weight: 700;
}

.page-news .archive-desc {
  font-size: 13px;
  color: var(--text-muted);
}

.page-news .archive-marker {
  margin-left: auto;
  font-size: 12px;
  color: var(--color-teal-dark);
  padding: 3px 10px;
  border: 1px solid var(--border-color);
  border-radius: 999px;
}

.page-news .archive-panel[open] .archive-marker {
  color: var(--text-invert);
  background: var(--color-teal-dark);
  border-color: var(--color-teal-dark);
}

.page-news .archive-body {
  padding: 6px 16px 12px;
}

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

.page-news .archive-list li {
  padding: 9px 0;
  border-bottom: 1px dashed var(--border-light);
  font-size: 14px;
  line-height: 1.5;
}

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

@media (min-width: 640px) {
  .page-news .news-hero {
    padding-top: 32px;
  }

  .page-news .timeline {
    padding-left: 24px;
  }

  .page-news .timeline-batch {
    grid-template-columns: 140px 1fr;
    gap: 20px;
  }

  .page-news .date-col::after {
    left: -32px;
  }

  .page-news .adjust-section {
    padding: 30px 28px 20px;
  }

  .page-news .adjust-row {
    grid-template-columns: 80px 1fr auto;
    gap: 16px;
  }

  .page-news .archive-banner img {
    height: 180px;
  }
}

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

  .page-news .section-block {
    margin-top: 54px;
  }

  .page-news .version-card {
    flex-basis: 300px;
    padding: 18px;
  }

  .page-news .archive-banner img {
    height: 200px;
  }
}