.page-news {
  background: var(--cream);
  color: var(--deep-brown);
  font-family: var(--font-body);
  padding: 28px 0 72px;
}

.page-news img {
  max-width: 100%;
  height: auto;
}

.page-news .breadcrumb {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--brown-muted);
  margin-bottom: 24px;
}

.page-news .breadcrumb a {
  color: var(--orange-red);
  text-decoration: none;
  border-bottom: 1px solid var(--orange-red);
}

.page-news .breadcrumb-sep {
  margin: 0 8px;
  color: var(--border-brown);
}

.page-news .breadcrumb-current {
  color: var(--deep-brown);
  font-weight: 700;
}

.page-news .news-hero {
  border-bottom: 3px solid var(--deep-brown);
  padding-bottom: 28px;
  margin-bottom: 28px;
}

.page-news .hero-index {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange-red);
  padding: 3px 12px;
  border: 1px solid var(--border-brown);
  border-left: 3px solid var(--orange-red);
  margin-bottom: 16px;
}

.page-news .news-hero h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(28px, 5.4vw, 46px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
}

.page-news .edition-line {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--brown-muted);
  margin-bottom: 12px;
}

.page-news .hero-desc {
  max-width: 740px;
  font-size: 16px;
  line-height: 1.65;
  color: var(--brown-muted);
  margin: 0;
}

.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.page-news .news-rail {
  border: 2px solid var(--deep-brown);
  background: var(--cream-light);
  box-shadow: 6px 6px 0 var(--border-brown);
  position: relative;
  top: 0;
  padding: 10px 0;
}

.page-news .rail-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brown-muted);
  padding: 4px 14px 10px;
  border-bottom: 1px solid var(--border-brown);
}

.page-news .rail-link {
  display: block;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--deep-brown);
  text-decoration: none;
  border-bottom: 1px solid var(--border-brown);
  transition: background 0.2s ease, color 0.2s ease;
}

.page-news .rail-link:last-of-type {
  border-bottom: 0;
}

.page-news .rail-link:hover,
.page-news .rail-link.active {
  background: var(--orange-light);
  color: var(--deep-brown);
}

.page-news .section {
  padding: 0 0 8px;
}

.page-news [data-toc-target] {
  scroll-margin-top: 24px;
}

.page-news .section-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 12px;
}

.page-news .section-index {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--orange-red);
}

.page-news .section-index::before {
  content: "//";
  margin-right: 4px;
  color: var(--blueprint-line);
}

.page-news .section-title {
  font-family: var(--font-head);
  font-size: 26px;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0;
}

.page-news .section-rule {
  height: 4px;
  background: var(--deep-brown);
  border-bottom: 2px solid var(--orange-red);
  margin-bottom: 24px;
}

.page-news .news-index-list {
  border-top: 2px solid var(--deep-brown);
}

.page-news .news-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 4px 0;
  padding: 18px 6px;
  border-bottom: 1px solid var(--border-brown);
  transition: background 0.2s ease;
}

.page-news .news-row:hover {
  background: var(--orange-light);
}

.page-news .row-number {
  flex: 0 0 34px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--brown-muted);
  line-height: 1.4;
  padding-top: 2px;
}

.page-news .row-dot {
  flex: 0 0 10px;
  width: 8px;
  height: 8px;
  margin-top: 7px;
  background: var(--orange-red);
}

.page-news .row-main {
  flex: 1 1 220px;
  min-width: 0;
}

.page-news .row-title {
  font-family: var(--font-head);
  font-size: 18px;
  line-height: 1.3;
  margin: 0 0 4px;
}

.page-news .row-desc {
  font-size: 14px;
  line-height: 1.55;
  color: var(--brown-muted);
  margin: 0 0 8px;
}

.page-news .row-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--brown-muted);
}

.page-news .row-time {
  color: var(--brown-muted);
}

.page-news .row-route {
  color: var(--chart-red);
}

.page-news .tag {
  display: inline-block;
  padding: 2px 8px;
  border: 1px solid var(--orange-red);
  color: var(--orange-red);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.4;
}

.page-news .tag-feature {
  border-color: var(--deep-brown);
  color: var(--deep-brown);
}

.page-news .tag-platform {
  background: var(--deep-brown);
  color: var(--cream);
  border-color: var(--deep-brown);
}

.page-news .row-link {
  margin-top: 4px;
}

.page-news .row-link a {
  font-size: 13px;
  color: var(--orange-red);
  text-decoration: none;
  border-bottom: 1px solid var(--orange-red);
}

.page-news .row-thumb {
  flex: 0 0 auto;
  width: 100%;
  max-width: 220px;
  margin-top: 12px;
}

.page-news .row-thumb img {
  display: block;
  width: 100%;
  height: auto;
  border: 2px solid var(--deep-brown);
}

.page-news .index-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
  padding-top: 18px;
}

.page-news .btn {
  display: inline-block;
  padding: 10px 18px;
  border: 2px solid var(--deep-brown);
  box-shadow: 4px 4px 0 var(--deep-brown);
  font-family: var(--font-head);
  font-size: 14px;
  line-height: 1;
  text-decoration: none;
  color: var(--deep-brown);
  background: var(--cream-light);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.page-news .btn:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--deep-brown);
  background: var(--cream);
}

.page-news .btn-outline {
  background: transparent;
  box-shadow: 0 0 0 var(--deep-brown);
}

.page-news .feature-banner {
  border: 3px solid var(--deep-brown);
  box-shadow: 8px 8px 0 var(--orange-light);
  margin: 0 0 28px;
}

.page-news .feature-banner img {
  display: block;
  width: 100%;
  height: auto;
  border-bottom: 3px solid var(--deep-brown);
}

.page-news .feature-banner .media-frame-caption,
.page-news .version-figure .media-frame-caption {
  background: var(--cream-light);
  padding: 8px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--brown-muted);
  border-top: 1px solid var(--border-brown);
}

.page-news .feature-intro {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--border-brown);
  background: var(--cream-light);
  margin-bottom: 20px;
}

.page-news .feature-icon {
  width: 48px;
  height: 48px;
  border: 2px solid var(--deep-brown);
  background: var(--cream-light);
  flex: 0 0 48px;
}

.page-news .feature-intro p {
  flex: 1 1 220px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--brown-muted);
  margin: 0;
}

.page-news .feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-news .feature-card {
  border: 2px solid var(--deep-brown);
  background: var(--cream-light);
  padding: 18px;
  position: relative;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.page-news .feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 6px 6px 0 var(--border-brown);
}

.page-news .feature-card h3 {
  font-family: var(--font-head);
  font-size: 18px;
  line-height: 1.3;
  margin: 0 0 6px;
}

.page-news .feature-card p {
  font-size: 14px;
  line-height: 1.55;
  color: var(--brown-muted);
  margin: 0 0 10px;
}

.page-news .feature-meta {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--brown-muted);
  border-top: 1px solid var(--border-brown);
  padding-top: 8px;
}

.page-news .format-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 18px;
}

.page-news .version-figure {
  margin: 0 0 22px;
  max-width: 400px;
  border: 2px solid var(--deep-brown);
  background: var(--cream-light);
}

.page-news .version-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .version-list {
  border-top: 2px solid var(--deep-brown);
}

.page-news .version-item {
  border-bottom: 1px solid var(--border-brown);
}

.page-news .version-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  width: 100%;
  background: transparent;
  border: 0;
  padding: 16px 6px;
  font-family: var(--font-head);
  font-size: 15px;
  text-align: left;
  color: var(--deep-brown);
  cursor: pointer;
}

.page-news .version-head:hover {
  background: var(--cream-light);
}

.page-news .version-no {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--deep-brown);
  color: var(--cream);
  padding: 3px 8px;
  white-space: nowrap;
}

.page-news .version-title {
  flex: 1 1 220px;
  font-size: 15px;
  line-height: 1.35;
  font-weight: 700;
}

.page-news .version-date {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--brown-muted);
}

.page-news .version-toggle {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--orange-red);
}

.page-news .version-detail {
  padding: 0 6px 16px 96px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--brown-muted);
}

.page-news .version-detail p {
  margin: 0;
}

@media (max-width: 719px) {
  .page-news .news-rail {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    padding: 0;
    box-shadow: 3px 3px 0 var(--border-brown);
  }

  .page-news .rail-kicker {
    width: 100%;
    border-bottom: 1px solid var(--border-brown);
    padding: 8px 12px;
  }

  .page-news .rail-link {
    flex: 1 1 0;
    text-align: center;
    padding: 10px 6px;
    border-bottom: 0;
    border-right: 1px solid var(--border-brown);
    font-size: 12px;
  }

  .page-news .rail-link:last-of-type {
    border-right: 0;
  }

  .page-news .version-detail {
    padding-left: 12px;
  }
}

@media (min-width: 760px) {
  .page-news {
    padding: 40px 0 96px;
  }

  .page-news .news-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 32px;
  }

  .page-news .news-rail {
    position: sticky;
    top: 16px;
  }

  .page-news .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .page-news .row-thumb {
    flex: 0 0 200px;
    margin-top: 0;
  }

  .page-news .version-detail {
    padding-left: 104px;
  }
}