.page-news {
  position: relative;
  padding-bottom: 80px;
  background: var(--bg-deep);
}

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

.page-news .section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.page-news .section-head .section-title {
  margin: 8px 0 0;
}

.page-news .section-head .section-label {
  margin: 0;
}

/* ===== Hero ===== */
.page-news .news-hero {
  position: relative;
  padding: 36px 0 56px;
  background:
    radial-gradient(ellipse 60% 100% at 90% -10%, var(--accent-purple-soft), transparent 60%),
    radial-gradient(ellipse 40% 80% at 5% 20%, var(--accent-green-soft), transparent 50%),
    linear-gradient(180deg, var(--bg-panel), var(--bg-deep) 90%);
  border-bottom: 1px solid var(--border-color);
  overflow: hidden;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 36%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-green));
  animation: news-scan 3.2s ease-in-out infinite;
}

@keyframes news-scan {
  0%, 100% {
    transform: translateX(0);
    opacity: 0.5;
  }
  50% {
    transform: translateX(180%);
    opacity: 1;
  }
}

.page-news .news-hero .breadcrumb {
  margin-bottom: 28px;
}

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

.page-news .news-hero h1 {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(42px, 8vw, 80px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  max-width: 12em;
}

.page-news .news-hero-desc {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.8;
  max-width: 56ch;
  margin: 0 0 24px;
}

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

.page-news .news-hero-stat {
  color: var(--accent-green);
  font-size: 13px;
  background: var(--accent-green-soft);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
}

/* ===== 最新动态 ===== */
.page-news .news-latest {
  padding-top: 72px;
}

.page-news .news-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

.page-news .news-articles {
  display: flex;
  flex-direction: column;
}

.page-news .news-articles > * + * {
  border-top: 1px solid var(--border-color);
}

.page-news .news-featured {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding-bottom: 32px;
}

.page-news .news-featured-media {
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
}

.page-news .news-featured-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-news .news-featured-body {
  min-width: 0;
}

.page-news .news-featured-tags {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.page-news .news-featured-num {
  color: var(--accent-green);
  font-size: 13px;
  letter-spacing: 0.06em;
}

.page-news .news-featured-body h3 {
  font-size: 22px;
  font-weight: 800;
  line-height: 1.4;
  margin: 0 0 10px;
}

.page-news .news-featured-body h3 a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition);
}

.page-news .news-featured-body h3 a:hover {
  color: var(--accent-green);
}

.page-news .news-featured-body p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.8;
  margin: 0 0 14px;
  max-width: 60ch;
}

.page-news .news-featured-more {
  display: inline-block;
  color: var(--accent-green);
  font-size: 13px;
  text-decoration: none;
  border-bottom: 1px solid var(--accent-green-soft);
  padding-bottom: 2px;
  transition: border-color var(--transition);
}

.page-news .news-featured-more:hover {
  border-bottom-color: var(--accent-green);
}

.page-news .news-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  padding: 24px 0;
}

.page-news .news-item-num {
  font-size: 13px;
  color: var(--text-muted);
  padding-top: 4px;
}

.page-news .news-item-body {
  min-width: 0;
}

.page-news .news-item h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  margin: 0 0 8px;
}

.page-news .news-item-body p {
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.7;
  margin: 0 0 10px;
  max-width: 56ch;
}

.page-news .news-item-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.page-news .news-more {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 0 8px;
  flex-wrap: wrap;
}

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

/* ===== 侧栏 ===== */
.page-news .news-side {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.page-news .news-trend-chart {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 12px;
}

.page-news .news-trend-chart img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
}

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

.page-news .news-tag-cloud {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.page-news .news-tag-title {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 14px;
  color: var(--text-primary);
}

.page-news .tag-cloud-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .news-side-note {
  border-left: 3px solid var(--accent-orange);
  padding: 4px 0 4px 16px;
}

.page-news .news-side-note .mono {
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.7;
  margin: 0;
}

/* ===== 专题集锦 ===== */
.page-news .news-topics {
  position: relative;
  margin-top: 80px;
  padding: 72px 0 64px;
  background:
    radial-gradient(ellipse 52% 70% at 84% 4%, var(--accent-purple-soft), transparent 64%),
    radial-gradient(ellipse 34% 54% at 6% 100%, var(--accent-green-soft), transparent 60%),
    linear-gradient(160deg, var(--bg-panel), var(--bg-deep) 48%);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.page-news .news-topics::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, transparent 50%, var(--accent-orange-soft) 50%);
  border-bottom-left-radius: var(--radius-lg);
  pointer-events: none;
}

.page-news .news-topics .container {
  position: relative;
}

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

.page-news .topics-chart {
  margin: 32px 0 36px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
}

.page-news .topics-chart img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-news .topic-cards {
  gap: 24px;
}

.page-news .topic-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: border-color var(--transition), transform var(--transition);
}

.page-news .topic-card:hover {
  border-color: var(--border-light);
  transform: translateY(-4px);
}

.page-news .topic-card-num {
  display: inline-block;
  font-size: 12px;
  color: var(--accent-green);
  margin-bottom: 16px;
  letter-spacing: 0.1em;
}

.page-news .topic-card h3 {
  font-size: 19px;
  font-weight: 800;
  line-height: 1.4;
  margin: 0 0 12px;
}

.page-news .topic-card p {
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.8;
  margin: 0 0 18px;
}

.page-news .topic-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ===== 更新日志 ===== */
.page-news .news-changelog {
  padding-top: 72px;
}

.page-news .changelog-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-news .changelog-timeline {
  display: flex;
  flex-direction: column;
}

.page-news .log-entry {
  border-left: 2px solid var(--border-light);
  padding: 0 0 24px 24px;
  margin: 0;
}

.page-news .log-entry:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.page-news .log-entry summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

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

.page-news .log-version {
  color: var(--accent-green);
  font-size: 13px;
  background: var(--accent-green-soft);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.page-news .log-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  transition: color var(--transition);
}

.page-news .log-entry summary:hover .log-title {
  color: var(--accent-green);
}

.page-news .log-body {
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.8;
  margin: 12px 0 0;
  max-width: 56ch;
}

.page-news .changelog-visual {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 12px;
}

.page-news .changelog-visual img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
}

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

/* ===== 桌面端 ===== */
@media (min-width: 960px) {
  .page-news .news-hero {
    padding: 56px 0 80px;
  }

  .page-news .news-hero h1 {
    font-size: 80px;
  }

  .page-news .news-hero-desc {
    font-size: 17px;
  }

  .page-news .news-layout {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 64px;
    align-items: start;
  }

  .page-news .news-featured {
    grid-template-columns: 240px 1fr;
    gap: 28px;
    padding-bottom: 36px;
  }

  .page-news .news-featured-media {
    aspect-ratio: 16 / 10;
  }

  .page-news .news-item {
    grid-template-columns: 56px 1fr;
    padding: 28px 0;
  }

  .page-news .news-side {
    position: sticky;
    top: 96px;
  }

  .page-news .changelog-layout {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 480px);
    gap: 64px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-hero::after {
    animation: none;
  }

  .page-news .topic-card {
    transition: none;
  }

  .page-news .topic-card:hover {
    transform: none;
  }
}