/* ========================================
   page-news 文章中心页面专属样式
   移动端优先 + 桌面响应式
   赛博朋克运动风 · 数据文档库体验
   ======================================== */
.page-news {
  --news-bg-card: var(--color-bg-card);
  --news-bg-secondary: var(--color-bg-secondary);
  --news-accent-green: var(--color-accent-green);
  --news-accent-orange: var(--color-accent-orange);
  --news-text-primary: var(--color-text-primary);
  --news-text-muted: var(--color-text-secondary);
  --news-border-green: var(--color-border-green);
  --news-border-green-light: var(--color-border-green-light);
  --news-glow-green: var(--color-glow-green);
  --news-font-heading: 'Anton', sans-serif;
  --news-font-body: 'Inter', sans-serif;
  --news-font-mono: 'JetBrains Mono', monospace;

  display: block;
  background: var(--color-bg-primary);
  color: var(--news-text-primary);
  font-family: var(--news-font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

/* --- Banner / 首屏 --- */
.page-news__banner {
  position: relative;
  padding: 2rem 0 0;
  overflow: hidden;
}
.page-news__banner-inner {
  display: flex;
  flex-direction: column-reverse;
  gap: 1.5rem;
  align-items: stretch;
}
.page-news__banner-text {
  position: relative;
  z-index: 2;
  padding: 0 1rem;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--news-text-muted);
  margin-bottom: 0.75rem;
}
.breadcrumb a {
  color: var(--news-accent-green);
  text-decoration: none;
  transition: color 0.2s;
}
.breadcrumb a:hover {
  color: var(--news-accent-orange);
}
.breadcrumb [aria-current="page"] {
  color: var(--news-text-primary);
  font-weight: 600;
}
.page-news__banner-title {
  font-family: var(--news-font-heading);
  font-size: 3.2rem;
  line-height: 1.05;
  text-transform: uppercase;
  color: var(--news-text-primary);
  margin: 0 0 0.3rem;
  letter-spacing: 0.02em;
  word-break: break-word;
}
.page-news__banner-desc {
  font-size: 1.05rem;
  color: var(--news-text-muted);
  margin: 0;
  border-left: 3px solid var(--news-accent-green);
  padding-left: 0.85rem;
}
.page-news__banner-visual {
  position: relative;
  width: 100%;
  max-height: 200px;
  overflow: hidden;
  border-radius: 4px;
}
.page-news__banner-img {
  width: 100%;
  height: auto;
  max-height: 200px;
  object-fit: cover;
  display: block;
  opacity: 0.7;
  mix-blend-mode: screen;
}

/* --- Section Title 共用 --- */
.page-news__section-title {
  font-family: var(--news-font-heading);
  font-size: 2.2rem;
  line-height: 1.1;
  text-transform: uppercase;
  color: var(--news-text-primary);
  margin: 0 0 0.5rem;
  letter-spacing: 0.02em;
  position: relative;
  display: inline-block;
}
.page-news__section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--news-accent-green), var(--news-accent-orange));
  margin-top: 0.3rem;
  border-radius: 2px;
}

/* --- 主题分类 / 横向主题带 --- */
.page-news__topics {
  padding: 2.5rem 0 1.5rem;
}
.page-news__topics-header {
  margin-bottom: 1.5rem;
  padding: 0 1rem;
}
.page-news__topics-scroll {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--news-accent-green) transparent;
  padding: 0.5rem 0;
  -webkit-overflow-scrolling: touch;
  flex-wrap: nowrap;
}
.page-news__topics-scroll::-webkit-scrollbar {
  height: 4px;
}
.page-news__topics-scroll::-webkit-scrollbar-thumb {
  background: var(--news-accent-green);
  border-radius: 4px;
}
.page-news__topic-btn {
  flex-shrink: 0;
  background: transparent;
  border: 1px solid var(--news-border-green);
  color: var(--news-text-primary);
  font-family: var(--news-font-body);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.45rem 1.2rem;
  border-radius: 30px;
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
}
.page-news__topic-btn:hover {
  border-color: var(--news-accent-orange);
  color: var(--news-accent-orange);
}
.page-news__topic-btn.is-active {
  background: var(--news-accent-green);
  border-color: var(--news-accent-green);
  color: #0B1D3A;
  box-shadow: 0 0 12px var(--news-glow-green);
}

/* --- 横向滚动卡片条 --- */
.page-news__topics-strip {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 0.5rem 1rem 1rem;
  scrollbar-width: thin;
  scrollbar-color: var(--news-accent-green) transparent;
  -webkit-overflow-scrolling: touch;
}
.page-news__topics-strip::-webkit-scrollbar {
  height: 4px;
}
.page-news__topics-strip::-webkit-scrollbar-thumb {
  background: var(--news-accent-green);
  border-radius: 4px;
}
.page-news__strip-card {
  flex: 0 0 82%;
  max-width: 340px;
  scroll-snap-align: start;
  background: var(--news-bg-card);
  border: 1px solid var(--news-border-green);
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.3s ease;
  box-shadow: 0 2px 12px rgba(0,0,0,0.2);
}
.page-news__strip-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(57,255,20,0.12);
  border-color: var(--news-accent-orange);
}
.page-news__strip-img {
  width: 100%;
  height: 170px;
  object-fit: cover;
  display: block;
  border-bottom: 1px solid var(--news-border-green-dark);
}
.page-news__strip-body {
  padding: 1rem 1.1rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex: 1;
}
.page-news__strip-tag {
  font-family: var(--news-font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--news-accent-green);
}
.page-news__strip-title {
  font-family: var(--news-font-heading);
  font-size: 1.2rem;
  line-height: 1.2;
  margin: 0;
  text-transform: uppercase;
  color: var(--news-text-primary);
}
.page-news__strip-summary {
  font-size: 0.9rem;
  color: var(--news-text-muted);
  margin: 0;
  line-height: 1.5;
  flex: 1;
}
.page-news__strip-link {
  font-family: var(--news-font-body);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--news-accent-orange);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: 0.3rem;
  transition: color 0.2s;
}
.page-news__strip-link:hover {
  color: var(--news-accent-green);
}

/* --- 最新文章 纵向网格 --- */
.page-news__latest {
  padding: 2rem 0 2.5rem;
}
.page-news__latest-header {
  padding: 0 1rem;
  margin-bottom: 1.8rem;
}
.page-news__latest-intro {
  color: var(--news-text-muted);
  font-size: 1rem;
  margin: 0.3rem 0 0;
  max-width: 640px;
}
.page-news__latest-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
  padding: 0 1rem;
}
.page-news__article-card {
  background: var(--news-bg-card);
  border: 1px solid var(--news-border-green-dark);
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
  box-shadow: 0 1px 6px rgba(0,0,0,0.15);
}
.page-news__article-card:hover {
  border-color: var(--news-accent-green);
  box-shadow: 0 4px 16px rgba(57,255,20,0.08);
}
.page-news__article-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
  border-bottom: 1px solid var(--news-border-green-dark);
}
.page-news__article-content {
  padding: 1rem 1.1rem 1.3rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
}
.page-news__article-title {
  font-family: var(--news-font-heading);
  font-size: 1.15rem;
  line-height: 1.25;
  margin: 0;
  text-transform: uppercase;
  color: var(--news-text-primary);
}
.page-news__article-meta {
  font-size: 0.8rem;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
  color: var(--news-text-muted);
}
.text-mono.mono {
  font-family: var(--news-font-mono);
  color: var(--news-accent-green);
}
.text-orange {
  color: var(--news-accent-orange);
}
.text-muted {
  color: var(--news-text-muted);
}
.page-news__article-desc {
  font-size: 0.9rem;
  color: var(--news-text-muted);
  margin: 0;
  line-height: 1.5;
  flex: 1;
}
.page-news__article-link {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--news-accent-orange);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: 0.3rem;
  transition: color 0.2s;
}
.page-news__article-link:hover {
  color: var(--news-accent-green);
}
.page-news__latest-more {
  text-align: center;
  margin-top: 2rem;
  padding: 0 1rem;
}
.page-news__more-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 2.2rem;
  font-family: var(--news-font-body);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: 2px solid var(--news-accent-green);
  color: var(--news-accent-green);
  background: transparent;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.25s ease;
  text-decoration: none;
}
.page-news__more-btn:hover {
  background: var(--news-accent-green);
  color: #0B1D3A;
  box-shadow: 0 0 20px var(--news-glow-green);
}

/* --- 侧边栏 / 热门标签 + 相关链接 --- */
.page-news__sidebar {
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--news-border-green-dark);
}
.page-news__sidebar-inner {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  padding: 0 1rem;
}
.page-news__sidebar-title {
  font-family: var(--news-font-heading);
  font-size: 1.6rem;
  line-height: 1.1;
  text-transform: uppercase;
  color: var(--news-text-primary);
  margin: 0 0 1rem;
  letter-spacing: 0.02em;
  position: relative;
  display: inline-block;
}
.page-news__sidebar-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: var(--news-accent-orange);
  margin-top: 0.2rem;
  border-radius: 2px;
}
.page-news__tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}
.page-news__tag-item {
  font-family: var(--news-font-mono);
  font-size: 0.85rem;
  padding: 0.3rem 0.9rem;
  border: 1px solid var(--news-border-green);
  border-radius: 30px;
  color: var(--news-text-primary);
  text-decoration: none;
  transition: all 0.2s ease;
  display: inline-block;
  background: transparent;
}
.page-news__tag-item:hover {
  border-color: var(--news-accent-orange);
  color: var(--news-accent-orange);
  transform: scale(1.04);
}
.page-news__tag-item--highlight {
  border-color: var(--news-accent-orange);
  color: var(--news-accent-orange);
  background: rgba(255,111,0,0.08);
}
.page-news__tag-item--highlight:hover {
  background: rgba(255,111,0,0.18);
  border-color: var(--news-accent-green);
  color: var(--news-accent-green);
}
.page-news__tags-visual {
  margin-top: 1.5rem;
  max-width: 300px;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--news-border-green-dark);
}
.page-news__tags-img {
  width: 100%;
  height: auto;
  display: block;
  opacity: 0.8;
}
.page-news__related-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.page-news__related-link {
  font-family: var(--news-font-body);
  font-size: 1rem;
  font-weight: 500;
  color: var(--news-text-primary);
  text-decoration: none;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--news-border-green-dark);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: color 0.2s, border-color 0.2s;
}
.page-news__related-link:hover {
  color: var(--news-accent-orange);
  border-color: var(--news-accent-orange);
}

/* --- data-reveal 渐进增强 (无JS时可见) --- */
.page-news [data-reveal] {
  opacity: 1;
  transform: none;
  transition: opacity 0.5s ease, transform 0.5s ease;
}

/* ========================================
   桌面端响应式 (min-width: 768px)
   ======================================== */
@media (min-width: 768px) {
  .page-news__banner {
    padding: 3rem 0 1rem;
  }
  .page-news__banner-inner {
    flex-direction: row;
    align-items: center;
    gap: 2.5rem;
  }
  .page-news__banner-text {
    flex: 1;
    padding: 0;
  }
  .page-news__banner-title {
    font-size: 5rem;
  }
  .page-news__banner-desc {
    font-size: 1.2rem;
  }
  .page-news__banner-visual {
    flex: 0 0 45%;
    max-height: 280px;
  }
  .page-news__banner-img {
    max-height: 280px;
  }

  .page-news__section-title {
    font-size: 3rem;
  }
  .page-news__section-title::after {
    width: 80px;
  }

  .page-news__topics {
    padding: 3rem 0 2rem;
  }
  .page-news__topics-scroll {
    gap: 0.8rem;
  }
  .page-news__topic-btn {
    font-size: 1rem;
    padding: 0.5rem 1.5rem;
  }
  .page-news__topics-strip {
    gap: 1.5rem;
    padding: 0.8rem 0 1.2rem;
  }
  .page-news__strip-card {
    flex: 0 0 300px;
    max-width: 320px;
  }
  .page-news__strip-img {
    height: 190px;
  }

  .page-news__latest {
    padding: 3rem 0 3.5rem;
  }
  .page-news__latest-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    padding: 0;
  }
  .page-news__article-img {
    height: 200px;
  }
  .page-news__article-title {
    font-size: 1.25rem;
  }

  .page-news__sidebar-inner {
    flex-direction: row;
    gap: 3rem;
    padding: 0;
  }
  .page-news__tags {
    flex: 1.2;
  }
  .page-news__related {
    flex: 0.8;
  }
  .page-news__sidebar-title {
    font-size: 1.8rem;
  }
  .page-news__tag-item {
    font-size: 0.9rem;
    padding: 0.35rem 1.1rem;
  }

  .page-news__more-btn {
    padding: 0.8rem 3rem;
    font-size: 1.05rem;
  }
}

/* ========================================
   桌面大屏 (min-width: 1024px)
   ======================================== */
@media (min-width: 1024px) {
  .page-news__banner-title {
    font-size: 6rem;
  }
  .page-news__banner-visual {
    flex: 0 0 50%;
  }
  .page-news__latest-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-news__strip-card {
    flex: 0 0 280px;
  }
  .page-news__topics-strip {
    gap: 1.8rem;
  }
  .page-news__sidebar-inner {
    gap: 4rem;
  }
}

/* ========================================
   超宽屏 (min-width: 1280px)
   ======================================== */
@media (min-width: 1280px) {
  .page-news__banner-title {
    font-size: 7rem;
  }
  .page-news__latest-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.page-news {
  --news-border-green-dark: var(--news-border-green);
}