.page-news {
  --news-rail-w: 44px;
  color-scheme: dark;
}

.page-news .page-header {
  padding-block: var(--sp-6) var(--sp-5);
}

.page-news .breadcrumb {
  margin-bottom: var(--sp-4);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
}

.page-news .page-title {
  font-family: var(--font-head);
  font-size: clamp(1.75rem, 5vw, 2.875rem);
  line-height: 1.18;
  color: var(--text-light);
  margin: var(--sp-2) 0 var(--sp-3);
  text-wrap: balance;
}

.page-news .page-intro {
  color: #C8C8D0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  max-width: 960px;
  margin: 0;
}

.page-news .news-index-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-5);
}

.page-news .news-index-strip .index-strip-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 52px;
  padding: var(--sp-2) var(--sp-3);
  background: var(--bg-section-a);
  color: var(--text-light);
  border: 2px solid var(--line-border);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.page-news .news-index-strip .index-strip-link:hover {
  background: var(--accent-teal);
  border-color: var(--accent-teal);
  color: var(--text-dark);
  transform: translateY(-2px);
}

.page-news .news-index-strip .index-strip-link:focus-visible {
  outline: 3px solid var(--accent-yellow);
  outline-offset: 2px;
}

.page-news .section-flow {
  background:
    linear-gradient(180deg, rgba(0, 206, 209, 0.08), transparent 180px),
    var(--bg-section-a);
  border-block: 2px solid var(--line-border);
  padding-block: var(--sp-7);
}

.page-news .section-wall {
  background: var(--bg-page);
  padding-block: var(--sp-7);
}

.page-news .section-version {
  background:
    radial-gradient(circle at 85% 10%, rgba(255, 215, 0, 0.1), transparent 320px),
    var(--bg-section-b);
  border-block: 2px solid var(--line-border);
  padding-block: var(--sp-7);
}

.page-news .section-table {
  background: var(--bg-page);
  padding-block: var(--sp-7);
}

.page-news .section-note {
  font-family: var(--font-body);
  color: #B8B8C4;
  font-size: 0.9375rem;
  margin: -8px 0 var(--sp-5);
}

.page-news .flow-deco {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 2px solid var(--line-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin: 0 0 var(--sp-6);
}

.page-news .timeline {
  display: grid;
  gap: var(--sp-5);
}

.page-news .timeline-item {
  display: grid;
  grid-template-columns: var(--news-rail-w) 1fr;
  gap: var(--sp-3);
  scroll-margin-top: var(--header-offset);
}

.page-news .timeline-rail {
  position: relative;
  display: flex;
  justify-content: center;
}

.page-news .timeline-rail::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: calc(-1 * var(--sp-5));
  width: 4px;
  background: linear-gradient(180deg, var(--line-border), rgba(102, 102, 119, 0.2));
}

.page-news .timeline-item:last-child .timeline-rail::before {
  bottom: 18px;
}

.page-news .timeline-dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 5px solid var(--bg-page);
  box-shadow: 0 0 0 2px var(--line-border);
  margin-top: var(--sp-5);
  position: relative;
  z-index: 1;
}

.page-news .t-dot-red { background: var(--status-new); }
.page-news .t-dot-teal { background: var(--accent-teal); }
.page-news .t-dot-yellow { background: var(--accent-yellow); }
.page-news .t-dot-orange { background: var(--accent-orange); }
.page-news .t-dot-green { background: var(--status-done); }

.page-news .timeline-panel {
  background: var(--bg-section-a);
  border: 2px solid var(--line-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--sp-4);
}

.page-news .timeline-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2);
}

.page-news .timeline-date {
  font-family: var(--font-mono);
  color: var(--accent-teal);
  font-size: 0.8125rem;
  font-weight: 700;
  margin-left: auto;
}

.page-news .batch-chip {
  display: inline-flex;
  align-items: center;
  background: var(--accent-yellow);
  color: var(--text-dark);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 900;
  padding: var(--sp-1) var(--sp-2);
  border-radius: var(--radius-sm);
}

.page-news .timeline-summary {
  margin: var(--sp-3) 0 var(--sp-2);
  color: #C8C8D0;
  font-size: 0.9375rem;
  line-height: 1.6;
}

.page-news .batch-detail {
  border-top: 1px dashed var(--line-border);
  margin-top: var(--sp-3);
  padding-top: var(--sp-3);
}

.page-news .batch-detail summary {
  cursor: pointer;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  color: var(--accent-yellow);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  padding: var(--sp-1) 0;
  border-radius: var(--radius-sm);
}

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

.page-news .batch-detail summary::before {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  background: var(--accent-yellow);
  color: var(--text-dark);
  border-radius: 4px;
  font-weight: 900;
  flex: 0 0 auto;
}

.page-news .batch-detail[open] summary::before {
  content: "–";
}

.page-news .batch-detail summary:focus-visible {
  outline: 3px solid var(--accent-teal);
  outline-offset: 2px;
}

.page-news .batch-entry-list {
  list-style: none;
  margin: var(--sp-3) 0 0;
  padding: 0;
  display: grid;
  gap: var(--sp-2);
}

.page-news .batch-entry {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2) var(--sp-3);
  align-items: center;
  background: rgba(0, 0, 0, 0.22);
  border-left: 4px solid var(--accent-teal);
  border-radius: var(--radius-sm);
  padding: var(--sp-2) var(--sp-3);
}

.page-news .batch-entry:nth-child(2) { border-left-color: var(--accent-yellow); }
.page-news .batch-entry:nth-child(3) { border-left-color: var(--accent-orange); }
.page-news .batch-entry:nth-child(4) { border-left-color: var(--status-new); }
.page-news .batch-entry:nth-child(5) { border-left-color: var(--status-done); }
.page-news .batch-entry:nth-child(6) { border-left-color: var(--accent-teal); }

.page-news .batch-entry-name {
  color: var(--text-light);
  font-weight: 700;
  flex: 1 1 200px;
}

.page-news .batch-entry-meta {
  color: #9A9AAB;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.page-news .section-wall .card-grid {
  margin-top: var(--sp-2);
}

.page-news .card {
  background: var(--bg-card);
  color: var(--text-dark);
  border: 2px solid var(--line-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  position: relative;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.page-news .card:hover {
  box-shadow: var(--shadow-lg);
  transform: translate(-2px, -2px);
}

.page-news .card-media-top {
  padding-top: 0;
  overflow: hidden;
}

.page-news .card-media-wrap {
  position: relative;
  margin: 0 calc(-1 * var(--sp-4)) var(--sp-2);
}

.page-news .card-media {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-news .card-badge {
  position: absolute;
  top: var(--sp-2);
  right: var(--sp-2);
}

.page-news .card-skin-warm {
  background: var(--bg-card-accent);
}

.page-news .card-skin-dark {
  background: var(--bg-section-b);
  color: var(--text-light);
}

.page-news .card-skin-dark .card-title a {
  color: var(--text-light);
}

.page-news .card-title {
  font-family: var(--font-head);
  font-size: 1.125rem;
  line-height: 1.4;
  margin: 0;
}

.page-news .card-title .card-link {
  color: inherit;
  text-decoration: none;
  border-radius: var(--radius-sm);
}

.page-news .card-title .card-link:hover {
  text-decoration: underline;
  text-decoration-color: var(--accent-teal);
  text-decoration-thickness: 3px;
  text-underline-offset: 4px;
}

.page-news .card-title .card-link:focus-visible {
  outline: 3px solid var(--accent-yellow);
  outline-offset: 2px;
}

.page-news .card-meta {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: #5E5E6B;
  margin: 0;
}

.page-news .card-skin-dark .card-meta {
  color: #B8B8C4;
}

.page-news .version-layout {
  display: grid;
  gap: var(--sp-6);
}

.page-news .version-track {
  display: flex;
  gap: var(--sp-4);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: var(--sp-3);
  scrollbar-width: thin;
  scrollbar-color: var(--accent-teal) var(--bg-page);
}

.page-news .version-track::-webkit-scrollbar {
  height: 6px;
}

.page-news .version-track::-webkit-scrollbar-thumb {
  background: var(--accent-teal);
  border-radius: 99px;
}

.page-news .version-item {
  flex: 0 0 280px;
  scroll-snap-align: start;
  background: var(--bg-card);
  color: var(--text-dark);
  border: 2px solid var(--line-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--sp-4);
  display: grid;
  gap: var(--sp-2);
  position: relative;
}

.page-news .version-tag {
  display: inline-flex;
  width: fit-content;
  background: var(--text-dark);
  color: var(--accent-yellow);
  font-family: var(--font-mono);
  font-weight: 900;
  border-radius: var(--radius-sm);
  padding: var(--sp-1) var(--sp-2);
}

.page-news .version-role {
  display: inline-flex;
  width: fit-content;
  background: var(--accent-teal);
  color: var(--text-dark);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 999px;
  padding: 2px 10px;
}

.page-news .version-body h3 {
  font-family: var(--font-head);
  font-size: 1.0625rem;
  margin: var(--sp-2) 0 var(--sp-1);
}

.page-news .version-body p {
  font-size: 0.875rem;
  line-height: 1.7;
  margin: 0;
  color: #44444F;
}

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

.page-news .version-figure img {
  display: block;
  width: 100%;
  max-width: 300px;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 2px solid var(--line-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.page-news .batch-table {
  background: var(--bg-card);
  color: var(--text-dark);
  border-collapse: collapse;
  width: 100%;
  min-width: 660px;
}

.page-news .batch-table th {
  background: var(--text-dark);
  color: var(--accent-yellow);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  text-align: left;
  padding: var(--sp-3) var(--sp-4);
}

.page-news .batch-table td {
  padding: var(--sp-3) var(--sp-4);
  border-top: 1px solid rgba(30, 30, 40, 0.14);
  font-size: 0.9375rem;
}

.page-news .batch-table tbody tr {
  transition: background 0.15s ease;
}

.page-news .batch-table tbody tr:nth-child(even) {
  background: rgba(0, 0, 0, 0.06);
}

.page-news .batch-table tbody tr:hover {
  background: var(--bg-card-accent);
}

.page-news .batch-table .table-batch {
  font-family: var(--font-mono);
  font-weight: 700;
}

.page-news .texture-bottom {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin-top: var(--sp-5);
  border-radius: var(--radius-md);
  border: 2px solid var(--line-border);
  opacity: 0.92;
}

@media (min-width: 640px) {
  .page-news .timeline-panel {
    padding: var(--sp-5);
  }

  .page-news .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-news .version-item {
    flex-basis: 340px;
  }
}

@media (min-width: 900px) {
  .page-news .news-index-strip {
    justify-content: flex-end;
    margin-top: calc(-1 * var(--sp-5));
  }

  .page-news .section-flow .container,
  .page-news .section-wall .container,
  .page-news .section-version .container,
  .page-news .section-table .container {
    padding-inline: var(--sp-6);
  }

  .page-news .card-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-news .version-layout {
    grid-template-columns: 1fr 320px;
    align-items: center;
  }

  .page-news .version-track {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    overflow: visible;
    scroll-snap-type: none;
    padding-bottom: 0;
  }

  .page-news .version-item {
    flex: none;
  }

  .page-news .version-figure img {
    margin-left: auto;
  }

  .page-news .batch-table td,
  .page-news .batch-table th {
    padding: var(--sp-4) var(--sp-5);
  }
}

@media (min-width: 1200px) {
  .page-news .version-track {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-index-strip .index-strip-link,
  .page-news .card {
    transition: none;
  }
}