/* ===== 文章中心页面专属样式 · page-news ===== */
.page-news {
  --news-sidebar-w: 224px;
  --news-gap: 28px;
  background:
    radial-gradient(ellipse at 15% 0%, rgba(0,229,255,.07), transparent 55%),
    var(--bg-deep);
  color: var(--text-main);
  font-family: var(--font-mono);
  line-height: 1.6;
  overflow-x: clip;
}

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

/* —— 面包屑 —— */
.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) 0 var(--space-3);
  margin-bottom: var(--space-4);
  border-bottom: 1px solid var(--line);
  font-size: .8rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.page-news .breadcrumb a {
  color: var(--electric-blue);
  text-decoration: none;
  transition: color var(--transition);
}
.page-news .breadcrumb a:hover {
  color: var(--neon-green);
  text-decoration: underline;
}
.page-news .breadcrumb-sep {
  color: var(--text-dim);
}

/* —— 页面首部 —— */
.page-news .news-shell {
  padding-top: var(--space-4);
  padding-bottom: var(--space-6);
}

.page-news .news-hero {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  padding: var(--space-4);
  background:
    linear-gradient(120deg, rgba(0,229,255,.05), transparent 45%),
    var(--bg-panel);
  border-left: 4px solid var(--neon-green);
  position: relative;
}
.page-news .news-hero::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 34%;
  height: 100%;
  background: repeating-linear-gradient(135deg, transparent 0 10px, rgba(0,229,255,.05) 10px 11px);
  pointer-events: none;
}
.page-news .news-hero-copy h1 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 5vw, 3.3rem);
  font-weight: 900;
  line-height: 1.08;
  text-transform: uppercase;
  margin: var(--space-2) 0 0;
  letter-spacing: .01em;
  color: var(--text-main);
}
.page-news .news-hero-copy p {
  max-width: 720px;
  color: var(--text-dim);
  font-size: .95rem;
  margin: var(--space-2) 0 0;
}
.page-news .news-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}
.page-news .hero-stat {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  padding: 6px 12px;
  background: var(--bg-card);
  border: 1px solid var(--line);
}
.page-news .hero-stat .data-number {
  font-family: var(--font-accent);
  font-size: 1.15rem;
  color: var(--signal-orange);
}

/* —— 头条文章 —— */
.page-news .news-feature {
  margin-bottom: var(--space-5);
}
.page-news .feature-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--line-strong);
  overflow: hidden;
}
.page-news .feature-image {
  position: relative;
  height: 260px;
}
.page-news .feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-news .feature-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(13,15,20,.15) 0%, rgba(13,15,20,.25) 45%, var(--bg-card) 100%);
}
.page-news .feature-content {
  position: relative;
  z-index: 1;
  margin-top: -110px;
  padding: var(--space-4);
  background: linear-gradient(180deg, transparent, var(--bg-card) 35%);
}
.page-news .feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-bottom: var(--space-2);
}
.page-news .feature-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  font-weight: 900;
  line-height: 1.15;
  margin: 0 0 var(--space-2);
  text-transform: uppercase;
}
.page-news .feature-excerpt {
  color: var(--text-dim);
  font-size: .92rem;
  max-width: 720px;
  margin: 0 0 var(--space-3);
}
.page-news .feature-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  justify-content: space-between;
  font-size: .82rem;
}
.page-news .feature-meta .btn {
  text-decoration: none;
}

/* —— 双栏布局 —— */
.page-news .news-layout {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.page-news .news-content {
  min-width: 0;
}

/* —— 侧边栏分类索引 —— */
.page-news .news-sidebar {
  order: -1;
}
.page-news .sidebar-sticky {
  padding: var(--space-3);
  background: var(--bg-panel);
  border: 1px solid var(--line);
}
.page-news .sidebar-kicker {
  font-family: var(--font-accent);
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--electric-blue);
  margin: 0 0 var(--space-1);
}
.page-news .sidebar-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin: 0 0 var(--space-3);
}
.page-news .category-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}
.page-news .category-link {
  display: inline-block;
  padding: 6px 13px;
  background: var(--bg-card);
  border: 1px solid var(--line-strong);
  color: var(--text-dim);
  font-size: .82rem;
  text-decoration: none;
  transition: all var(--transition);
}
.page-news .category-link:hover,
.page-news .category-link:focus {
  color: var(--neon-green);
  border-color: var(--neon-green);
}
.page-news .category-link.is-active {
  background: var(--neon-green);
  border-color: var(--neon-green);
  color: var(--bg-deep);
  font-weight: 700;
}
.page-news .sidebar-note {
  margin-top: var(--space-3);
  padding: var(--space-2);
  border-left: 3px solid var(--electric-blue);
  background: var(--bg-card);
  color: var(--text-dim);
  font-size: .8rem;
}
.page-news .sidebar-note p {
  margin: 0;
}

/* —— 内容区块通用 —— */
.page-news .news-section + .news-section {
  margin-top: var(--space-6);
}
.page-news .news-section .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--line);
}
.page-news .news-section .title-display {
  font-size: 1.7rem;
  margin: var(--space-1) 0 0;
}
.page-news .section-more {
  color: var(--electric-blue);
  font-size: .82rem;
  text-decoration: none;
  white-space: nowrap;
}
.page-news .section-more:hover {
  color: var(--neon-green);
}

/* —— 最新文章列表 —— */
.page-news .article-list {
  display: flex;
  flex-direction: column;
}
.page-news .article-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--line);
  transition: background var(--transition);
}
.page-news .article-item:hover {
  background: rgba(0,229,255,.04);
}
.page-news .article-item:first-child {
  padding-top: var(--space-1);
}
.page-news .article-index {
  font-family: var(--font-accent);
  font-size: .95rem;
  color: var(--signal-orange);
  text-align: right;
  padding-top: 4px;
}
.page-news .article-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  margin-bottom: var(--space-1);
}
.page-news .article-title {
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 var(--space-1);
}
.page-news .article-summary {
  color: var(--text-dim);
  font-size: .9rem;
  line-height: 1.55;
  margin: 0 0 var(--space-2);
  max-width: 720px;
}
.page-news .article-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-1);
  font-size: .8rem;
}
.page-news .article-foot a {
  color: var(--electric-blue);
  text-decoration: none;
}
.page-news .article-foot a:hover {
  color: var(--neon-green);
  text-decoration: underline;
}

/* —— 加载更多 —— */
.page-news .load-more-wrap {
  margin-top: var(--space-4);
  text-align: center;
}

/* —— 热门推荐 —— */
.page-news .hot-layout {
  display: grid;
  gap: var(--space-3);
}
.page-news .hot-visual {
  position: relative;
  min-height: 200px;
  border: 1px solid var(--line-strong);
  overflow: hidden;
}
.page-news .hot-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-news .hot-grid {
  display: grid;
  gap: var(--space-2);
}
.page-news .hot-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--bg-panel);
  border: 1px solid var(--line);
  text-decoration: none;
  transition: all var(--transition);
}
.page-news .hot-card:hover,
.page-news .hot-card:focus {
  border-color: var(--electric-blue);
  transform: translateX(4px);
}
.page-news .hot-rank {
  font-family: var(--font-accent);
  font-size: 1.1rem;
  line-height: 1.4;
  color: var(--neon-green);
}
.page-news .hot-card-body h3 {
  font-family: var(--font-display);
  font-size: 1.02rem;
  line-height: 1.3;
  margin: 0 0 4px;
  color: var(--text-main);
}
.page-news .hot-card-body p {
  margin: 0;
  font-size: .8rem;
}

/* —— 系列专题横向滚动 —— */
.page-news .series-scroll {
  display: flex;
  gap: var(--space-3);
  overflow-x: auto;
  padding: 4px 4px var(--space-3);
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.page-news .series-card {
  flex: 0 0 270px;
  scroll-snap-align: start;
  background: var(--bg-card);
  border: 1px solid var(--line-strong);
  overflow: hidden;
  transition: border-color var(--transition);
}
.page-news .series-card:hover {
  border-color: var(--neon-green);
}
.page-news .series-cover {
  height: 150px;
  overflow: hidden;
}
.page-news .series-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-news .series-body {
  padding: var(--space-3);
}
.page-news .series-body .badge {
  display: inline-block;
  margin-bottom: var(--space-1);
}
.page-news .series-body h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  line-height: 1.3;
  margin: 0 0 var(--space-1);
}
.page-news .series-body p {
  margin: 0 0 var(--space-2);
  font-size: .82rem;
}
.page-news .series-link {
  color: var(--electric-blue);
  font-size: .82rem;
  text-decoration: none;
}
.page-news .series-link:hover {
  color: var(--neon-green);
}
.page-news .series-card.is-plain {
  background:
    linear-gradient(135deg, rgba(0,229,255,.04), transparent 50%),
    var(--bg-elevated);
  border-style: dashed;
}

/* —— 内容更新动态 —— */
.page-news .update-panel {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-top: 3px solid var(--neon-green);
  padding: var(--space-4);
}
.page-news .update-grid {
  display: grid;
  gap: var(--space-3);
}
.page-news .update-item {
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
}
.page-news .update-dot {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--neon-green);
  box-shadow: 0 0 8px rgba(57,255,20,.6);
}
.page-news .update-item h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  margin: 0 0 2px;
}
.page-news .update-item p {
  margin: 0;
  font-size: .88rem;
}
.page-news .update-note {
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--line);
  font-size: .9rem;
  color: var(--text-dim);
}
.page-news .update-note a {
  color: var(--electric-blue);
  text-decoration: none;
}
.page-news .update-note a:hover {
  color: var(--neon-green);
  text-decoration: underline;
}

/* —— 中等屏幕 —— */
@media (min-width: 768px) {
  .page-news .news-hero {
    grid-template-columns: 1fr auto;
    align-items: end;
    padding: var(--space-5);
  }
  .page-news .news-hero-meta {
    justify-content: flex-end;
  }
  .page-news .feature-image {
    height: 420px;
  }
  .page-news .feature-content {
    margin-top: -160px;
    padding: var(--space-5);
  }
  .page-news .article-item {
    grid-template-columns: 56px 1fr;
    gap: var(--space-3);
  }
  .page-news .article-title {
    font-size: 1.32rem;
  }
  .page-news .hot-layout {
    grid-template-columns: 300px 1fr;
    align-items: stretch;
  }
  .page-news .hot-visual {
    min-height: 100%;
  }
  .page-news .update-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-news .series-card {
    flex-basis: 300px;
  }
}

/* —— 桌面布局 —— */
@media (min-width: 1024px) {
  .page-news .news-shell {
    padding-top: var(--space-5);
  }
  .page-news .news-layout {
    display: grid;
    grid-template-columns: var(--news-sidebar-w) minmax(0, 1fr);
    align-items: start;
    gap: var(--news-gap);
  }
  .page-news .news-sidebar {
    order: 0;
    position: sticky;
    top: 120px;
  }
  .page-news .category-list {
    flex-direction: column;
    align-items: stretch;
  }
  .page-news .category-link {
    text-align: left;
  }
  .page-news .series-card {
    flex-basis: 320px;
  }
}