.page-news {
  --news-section-gap: clamp(3.5rem, 8vw, 6.5rem);
  position: relative;
  padding-bottom: var(--news-section-gap);
  overflow-wrap: break-word;
}

.page-news .news-breadcrumb {
  padding-top: 1.25rem;
}

.page-news .news-intro {
  position: relative;
  padding: 2rem 0 2.5rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 0.75rem;
}

.page-news .news-intro h1 {
  font-family: var(--font-head);
  font-size: clamp(2.25rem, 7vw, 4.5rem);
  line-height: 1.08;
  font-weight: 900;
  font-style: oblique;
  transform: skewX(-4deg);
  letter-spacing: -0.03em;
  margin: 0.85rem 0 1.2rem;
  max-width: 15em;
  color: var(--text-main);
}

.page-news .news-intro h1 .h1-sub {
  display: block;
  font-family: var(--font-data);
  font-weight: 700;
  font-style: normal;
  transform: skewX(2deg);
  font-size: 0.36em;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-top: 0.7rem;
}

.page-news .news-intro-lead {
  font-size: 1.06rem;
  line-height: 1.85;
  color: var(--text-main);
  max-width: 54rem;
  margin: 0;
}

.page-news .news-intro-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.4rem;
  margin-top: 1.5rem;
}

.page-news .news-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-data);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.page-news .news-meta-item::before {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  background: var(--accent);
  transform: rotate(45deg);
  flex: 0 0 auto;
}

.page-news .news-toc {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 0.75rem;
  padding: 1.35rem 0 0;
  border-bottom: 1px solid var(--line);
}

.page-news .news-toc-label {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding-right: 0.9rem;
  border-right: 1px solid var(--line);
  margin-right: 0.25rem;
}

.page-news .news-toc a {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 1rem;
  border: 1px solid var(--line);
  background: var(--bg-surface);
  color: var(--text-main);
  font-size: 0.875rem;
  text-decoration: none;
  border-radius: 999px;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.page-news .news-toc a:hover,
.page-news .news-toc a:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.page-news .news-section {
  margin-top: var(--news-section-gap);
}

.page-news .news-section-head {
  position: relative;
  margin-bottom: 1.75rem;
  padding-top: 0.5rem;
}

.page-news .news-section-head h2 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 900;
  font-style: oblique;
  transform: skewX(-3deg);
  letter-spacing: -0.02em;
  color: var(--text-main);
  margin: 0.45rem 0 0.55rem;
}

.page-news .news-section-sub {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.75;
  max-width: 48rem;
  margin: 0;
}

.page-news .notice-list {
  display: grid;
  gap: 1.25rem;
}

.page-news .notice-item {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem 1.25rem 1.25rem;
  box-shadow: 0 14px 30px -20px rgba(6, 10, 30, 0.9);
  transition: transform 0.25s var(--ease-out), border-color 0.25s ease;
}

.page-news .notice-item:hover,
.page-news .notice-item:focus-within {
  transform: translateY(-4px);
  border-color: rgba(var(--accent-rgb), 0.5);
}

.page-news .notice-corner {
  display: inline-block;
  margin-bottom: 0.8rem;
  padding-left: 0.6rem;
  border-left: 2px solid var(--accent);
  font-family: var(--font-data);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--silver);
}

.page-news .notice-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
}

.page-news .notice-item h3 {
  font-size: 1.22rem;
  line-height: 1.45;
  color: var(--text-main);
  margin: 0 0 0.65rem;
  letter-spacing: -0.01em;
}

.page-news .notice-summary {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin: 0;
}

.page-news details {
  margin-top: 1rem;
  border-top: 1px dashed var(--line);
  padding-top: 0.85rem;
}

.page-news summary {
  cursor: pointer;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent);
  user-select: none;
}

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

.page-news summary::before {
  content: "+";
  font-family: var(--font-data);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--amber);
  transition: transform 0.2s ease;
}

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

.page-news .notice-detail-content,
.page-news .timeline-card details ul {
  padding-top: 0.8rem;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-main);
}

.page-news details ul {
  margin: 0.5rem 0 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.45rem;
}

.page-news .news-media {
  margin: 2.5rem 0 0;
}

.page-news .news-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-news .news-media figcaption {
  margin-top: 0.65rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.page-news .news-timeline {
  position: relative;
  margin: 0;
  padding-left: 1.45rem;
}

.page-news .news-timeline::before {
  content: "";
  position: absolute;
  top: 0.3rem;
  left: 0.42rem;
  width: 2px;
  height: calc(100% - 1.25rem);
  background: linear-gradient(to bottom, var(--line) 0%, var(--line) 72%, var(--accent) 100%);
  opacity: 0.9;
}

.page-news .timeline-item {
  position: relative;
  margin-bottom: 1.5rem;
}

.page-news .timeline-dot {
  position: absolute;
  left: -1.45rem;
  top: 1.25rem;
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(var(--accent-rgb), 0.16);
}

.page-news .timeline-card {
  background: var(--bg-surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.2rem 1rem;
  box-shadow: var(--shadow-card);
  transition: border-left-color 0.25s ease, transform 0.25s var(--ease-out);
}

.page-news .timeline-item:hover .timeline-card,
.page-news .timeline-item:focus-within .timeline-card {
  border-left-color: var(--accent);
  transform: translateY(-2px);
}

.page-news .timeline-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  margin-bottom: 0.75rem;
}

.page-news .version-code {
  display: inline-block;
  padding: 0.24rem 0.55rem;
  background: var(--bg-primary);
  border: 1px solid var(--line);
  font-family: var(--font-data);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.02em;
}

.page-news .timeline-phase {
  font-family: var(--font-data);
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

.page-news .timeline-card h3 {
  font-size: 1.2rem;
  color: var(--text-main);
  margin: 0 0 0.55rem;
}

.page-news .timeline-card > p {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-muted);
  margin: 0;
}

.page-news .series-grid {
  display: grid;
  gap: 1.25rem;
  margin: 0;
}

.page-news .series-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  background: var(--bg-deep);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem 1.3rem 1.3rem;
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s var(--ease-out);
}

.page-news .series-card::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), rgba(255, 179, 0, 0.6));
  opacity: 0.5;
  transition: opacity 0.25s ease;
}

.page-news .series-card:hover {
  border-color: rgba(var(--accent-rgb), 0.5);
  transform: translateY(-4px);
}

.page-news .series-card:hover::before {
  opacity: 1;
}

.page-news .series-num {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--font-data);
  font-size: 0.78rem;
  color: var(--amber);
  border: 1px solid var(--line);
  padding: 0.22rem 0.5rem;
  margin-bottom: 1rem;
  letter-spacing: 0.1em;
}

.page-news .series-card h3 {
  font-size: 1.25rem;
  color: var(--text-main);
  margin: 0 0 0.7rem;
}

.page-news .series-card p {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-muted);
  margin: 0 0 1.1rem;
}

.page-news .series-card a {
  display: inline-flex;
  align-items: center;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-bottom-color 0.2s ease;
}

.page-news .series-card a:hover,
.page-news .series-card a:focus-visible {
  border-bottom-color: var(--accent);
}

.page-news .subscribe-panel {
  margin-top: 1.5rem;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(var(--accent-rgb), 0.07), transparent 65%),
    var(--bg-surface);
  padding: 1.75rem 1.25rem;
  border-radius: var(--radius);
}

.page-news .subscribe-lead {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-main);
  margin: 0 0 1.25rem;
}

.page-news .subscribe-methods {
  display: grid;
  gap: 1.25rem;
}

.page-news .subscribe-method {
  border: 1px solid var(--line);
  background: var(--bg-primary);
  border-radius: var(--radius);
  padding: 1.5rem 1.25rem;
}

.page-news .subscribe-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--accent);
}

.page-news .subscribe-method h3 {
  font-size: 1.15rem;
  color: var(--text-main);
  margin: 0.85rem 0 0.6rem;
}

.page-news .subscribe-method p {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-muted);
  margin: 0 0 1.1rem;
}

.page-news .subscribe-note {
  margin-top: 1.25rem;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-news .subscribe-note a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(var(--accent-rgb), 0.4);
}

.page-news .subscribe-note a:hover,
.page-news .subscribe-note a:focus-visible {
  border-bottom-color: var(--accent);
}

.page-news .news-pixel-banner {
  max-width: 1200px;
  margin: var(--news-section-gap) auto 0;
  padding-inline: clamp(0rem, 4vw, 2.5rem);
  position: relative;
}

.page-news .news-pixel-banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-deep);
  opacity: 0.92;
}

.page-news .news-pixel-banner figcaption {
  margin-top: 0.7rem;
  font-family: var(--font-data);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--silver);
  text-align: right;
}

.page-news a:focus-visible,
.page-news summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

@media (min-width: 640px) {
  .page-news .notice-list {
    grid-template-columns: repeat(2, 1fr);
    align-items: start;
    gap: 1.5rem;
  }

  .page-news .notice-featured {
    grid-column: 1 / -1;
  }

  .page-news .subscribe-methods {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

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

@media (min-width: 900px) {
  .page-news .news-intro {
    padding: 3rem 0 3rem;
  }

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

  .page-news .series-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

  .page-news .subscribe-panel {
    padding: 2.5rem 2.25rem;
  }

  .page-news .news-pixel-banner figcaption {
    text-align: center;
  }
}

@media (min-width: 1200px) {
  .page-news .news-timeline {
    padding-left: 2rem;
  }

  .page-news .news-timeline::before {
    left: 0.55rem;
  }

  .page-news .timeline-dot {
    left: -2rem;
  }

  .page-news .timeline-card {
    transition-duration: 0.3s;
  }
}