.page-news {
  background: var(--page-bg);
  color: var(--text-primary);
}

.page-news .breadcrumb {
  padding: 14px 0 2px;
}

.page-news__hero {
  padding: 12px 0 18px;
}

.page-news__hero .eyebrow {
  margin: 0 0 4px;
  font-size: 0.78rem;
}

.page-news h1 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 4.5vw, 2.3rem);
  line-height: 1.15;
  margin: 4px 0 10px;
}

.page-news__hero-note {
  font-size: 0.95rem;
  line-height: 1.7;
  margin: 0 0 14px;
  padding: 10px 14px;
  background: var(--card-bg);
  border: var(--border-w) solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  max-width: 760px;
}

.page-news__hero-img {
  display: block;
  width: 100%;
  height: 100px;
  object-fit: cover;
  object-position: center;
  border: var(--border-w) solid var(--ink);
  box-shadow: var(--shadow-hard);
  margin: 0;
  background: var(--card-bg-alt);
}

.page-news__block-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 10px 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.page-news__block-head .section-title {
  margin: 4px 0 0;
  font-size: 1.4rem;
  line-height: 1.2;
}

.page-news__feed-section {
  background: var(--section-bg-primary);
  border-block: var(--border-w) solid var(--ink);
  padding: 26px 0 32px;
}

.page-news__feed-stamp {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.78rem;
  background: var(--status-updating);
  color: var(--card-bg);
  border: var(--border-w) solid var(--ink);
  box-shadow: 2px 2px 0 var(--ink);
  padding: 4px 10px;
}

.page-news__feed-list {
  display: grid;
  gap: 10px;
}

.page-news__feed-row {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) auto;
  gap: 8px 10px;
  align-items: center;
  background: var(--card-bg);
  border: var(--border-w) solid var(--ink);
  border-left-width: 8px;
  box-shadow: 3px 3px 0 var(--ink);
  padding: 8px 10px;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.page-news__feed-row:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--ink);
}

.page-news__feed-row--in  { border-left-color: var(--accent-b); }
.page-news__feed-row--src { border-left-color: var(--status-updating); }
.page-news__feed-row--cat { border-left-color: var(--accent-a); }
.page-news__feed-row--tag { border-left-color: var(--tag-3); }
.page-news__feed-row--ver { border-left-color: var(--tag-4); }

.page-news__feed-index {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.82rem;
  line-height: 1.2;
  background: var(--ink);
  color: var(--card-bg);
  text-align: center;
  padding: 5px 2px;
  display: block;
}

.page-news__feed-main {
  min-width: 0;
}

.page-news__feed-title {
  display: block;
  font-weight: 800;
  font-size: 0.95rem;
  line-height: 1.35;
}

.page-news__feed-badge {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 6px;
  font-size: 0.7rem;
  vertical-align: middle;
}

.page-news__feed-meta {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-primary);
  opacity: 0.75;
  margin-top: 2px;
}

.page-news__feed-type {
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1;
  padding: 5px 8px;
  border: var(--border-w) solid var(--ink);
  white-space: nowrap;
}

.page-news__feed-type--in  { background: var(--accent-b); }
.page-news__feed-type--src { background: var(--status-updating); color: var(--card-bg); }
.page-news__feed-type--cat { background: var(--accent-a); }
.page-news__feed-type--tag { background: var(--tag-3); color: var(--card-bg); }
.page-news__feed-type--ver { background: var(--tag-4); color: var(--card-bg); }

.page-news__timeline-section {
  background: var(--card-bg-alt);
  border-top: var(--border-w) solid var(--ink);
  padding: 28px 0 34px;
}

.page-news__section-note {
  font-size: 0.88rem;
  line-height: 1.6;
  margin: -6px 0 16px;
  color: var(--text-primary);
}

.page-news__tl-wrap {
  position: relative;
}

.page-news__tl-side {
  display: none;
}

.page-news__timeline {
  position: relative;
  margin: 16px 0 0;
  padding-left: 26px;
}

.page-news__timeline::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 6px;
  bottom: 10px;
  width: 4px;
  background: var(--ink);
  border-radius: 2px;
}

.page-news__tl-item {
  position: relative;
  margin-bottom: 12px;
  background: var(--card-bg);
  border: var(--border-w) solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  transition: box-shadow 0.12s ease;
}

.page-news__tl-item[open] {
  box-shadow: 5px 5px 0 var(--ink);
}

.page-news__tl-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  cursor: pointer;
  font-weight: 800;
  font-size: 0.92rem;
  line-height: 1.3;
}

.page-news__tl-item summary::-webkit-details-marker {
  display: none;
}

.page-news__tl-item summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-weight: 700;
  margin-left: auto;
}

.page-news__tl-item[open] summary::before {
  content: "–";
}

.page-news__tl-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: var(--border-w) solid var(--ink);
  background: var(--status-updating);
  flex: 0 0 14px;
}

.page-news__tl-dot--new    { background: var(--accent-b); }
.page-news__tl-dot--recent { background: var(--accent-a); }
.page-news__tl-dot--mid    { background: var(--status-updating); }
.page-news__tl-dot--old    { background: var(--status-archived); }

.page-news__tl-month {
  min-width: 3.6em;
  font-family: var(--font-display);
}

.page-news__tl-batch {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.84rem;
  background: var(--ink);
  color: var(--card-bg);
  padding: 2px 8px;
  white-space: nowrap;
}

.page-news__tl-detail {
  border-top: 2px dashed var(--ink);
  padding: 10px 12px;
  font-size: 0.85rem;
  line-height: 1.6;
}

.page-news__tl-detail-row {
  display: flex;
  gap: 6px;
}

.page-news__tl-detail-label {
  font-weight: 700;
  min-width: 4em;
}

.page-news__tl-link {
  display: inline-block;
  margin-top: 8px;
  font-weight: 700;
  font-size: 0.78rem;
  color: var(--ink);
  background: var(--accent-b);
  border: var(--border-w) solid var(--ink);
  text-decoration: none;
  padding: 3px 10px;
}

.page-news__tl-link:hover {
  background: var(--accent-a);
}

.page-news__version-section {
  background: var(--section-bg-secondary);
  border-block: var(--border-w) solid var(--ink);
  padding: 28px 0 34px;
}

.page-news__version-grid {
  display: grid;
  gap: 18px;
  margin-top: 4px;
}

.page-news__version-card {
  position: relative;
  background: var(--card-bg);
  border: var(--border-w) solid var(--ink);
  box-shadow: 5px 5px 0 var(--ink);
  padding: 16px 14px 14px;
  transition: transform 0.14s ease, box-shadow 0.14s ease;
}

.page-news__version-card::before {
  content: "";
  display: block;
  height: 8px;
  background: var(--accent-b);
  border-bottom: var(--border-w) solid var(--ink);
  margin: -16px -14px 12px;
}

.page-news__version-card--a::before { background: var(--accent-b); }
.page-news__version-card--b::before { background: var(--accent-a); }
.page-news__version-card--c::before { background: var(--status-archived); }

.page-news__version-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--ink);
}

.page-news__version-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.page-news__version-num {
  font-family: var(--font-display);
  font-size: 1.8rem;
  line-height: 1;
  margin: 0;
}

.page-news__version-status {
  font-size: 0.74rem;
  font-weight: 700;
  background: var(--accent-b);
  border: var(--border-w) solid var(--ink);
  padding: 2px 8px;
}

.page-news__version-status--current { background: var(--accent-b); }
.page-news__version-status--prev    { background: var(--accent-a); }
.page-news__version-status--old     { background: var(--status-archived); color: var(--card-bg); }

.page-news__version-time {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  margin: 8px 0 10px;
  color: var(--text-primary);
  opacity: 0.8;
}

.page-news__version-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}

.page-news__version-list li {
  padding-left: 18px;
  position: relative;
  font-size: 0.88rem;
  line-height: 1.5;
}

.page-news__version-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 8px;
  height: 8px;
  background: var(--tag-4);
  border: 2px solid var(--ink);
  border-radius: 50%;
}

.page-news__version-card--a .page-news__version-list li::before { background: var(--accent-b); }
.page-news__version-card--b .page-news__version-list li::before { background: var(--accent-a); }
.page-news__version-card--c .page-news__version-list li::before { background: var(--status-archived); }

.page-news__version-link {
  display: inline-block;
  margin-top: 12px;
  font-weight: 700;
  font-size: 0.82rem;
  border: var(--border-w) solid var(--ink);
  padding: 4px 10px;
  background: var(--card-bg-alt);
  color: var(--ink);
  text-decoration: none;
}

.page-news__version-link:hover {
  background: var(--accent-a);
}

.page-news__version-illu {
  margin: 22px 0 0;
  text-align: center;
}

.page-news__version-illu img {
  max-width: 100%;
  height: auto;
  border: var(--border-w) solid var(--ink);
  box-shadow: var(--shadow-hard);
}

.page-news__catalog-section {
  background: var(--page-bg);
  padding: 30px 0 34px;
}

.page-news__cat-note {
  font-size: 0.9rem;
  line-height: 1.6;
  margin: -6px 0 16px;
}

.page-news__tile-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-news .page-news__tile-grid .magnetic-tile {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  min-height: 130px;
  padding: 18px;
  text-decoration: none;
  color: var(--ink);
}

.page-news__tile-meta {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  line-height: 1.5;
  margin-top: 6px;
  opacity: 0.85;
}

.page-news__tail {
  background: var(--page-bg);
  padding: 30px 0 40px;
}

.page-news__tail-inner {
  display: grid;
  gap: 16px;
  justify-items: center;
  text-align: center;
}

.page-news__tail-img {
  max-width: 100%;
  height: auto;
  border: var(--border-w) solid var(--ink);
  box-shadow: var(--shadow-hard);
}

.page-news__tail-text {
  max-width: 720px;
  font-size: 0.95rem;
  line-height: 1.75;
  margin: 0 0 14px;
}

.page-news__tail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

@media (min-width: 768px) {
  .page-news__hero {
    padding: 18px 0 22px;
  }

  .page-news__hero-note {
    font-size: 1rem;
    padding: 12px 16px;
  }

  .page-news__hero-img {
    height: 160px;
  }

  .page-news__feed-section {
    padding: 30px 0 36px;
  }

  .page-news__feed-row {
    grid-template-columns: 80px minmax(0, 1fr) auto;
    gap: 12px 16px;
    padding: 12px 16px;
  }

  .page-news__feed-index {
    font-size: 0.92rem;
    padding: 6px 4px;
  }

  .page-news__feed-title {
    font-size: 1.02rem;
  }

  .page-news__feed-meta {
    font-size: 0.8rem;
  }

  .page-news__tl-wrap {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 24px;
  }

  .page-news__tl-side {
    display: block;
    width: 150px;
    max-width: 100%;
    height: auto;
    align-self: start;
    position: sticky;
    top: 16px;
    border: var(--border-w) solid var(--ink);
    box-shadow: var(--shadow-hard);
  }

  .page-news__timeline {
    margin: 4px 0 0;
    padding-left: 32px;
  }

  .page-news__timeline::before {
    left: 14px;
  }

  .page-news__tl-item summary {
    padding: 12px 16px;
    gap: 14px;
    font-size: 0.98rem;
  }

  .page-news__tl-detail {
    padding: 12px 16px;
  }

  .page-news__version-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
  }

  .page-news__tile-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-news__tail-inner {
    grid-template-columns: auto 1fr;
    text-align: left;
    justify-items: start;
    align-items: center;
    gap: 24px;
  }

  .page-news__tail-actions {
    justify-content: flex-start;
  }
}