/* ==========================================================================
   掌中世界机场网 (zzsj.best) - 深度文章排版样式表
   专注 SEO 结构化阅读 · 纯原生 CSS · 完美层级排版
   ========================================================================== */

.article-page {
  padding: 40px 0 80px;
}

/* 面包屑导航 */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.breadcrumbs a {
  color: var(--text-muted);
  transition: var(--transition);
}

.breadcrumbs a:hover {
  color: var(--primary);
}

.breadcrumbs .separator {
  color: var(--text-dim);
  opacity: 0.6;
}

.breadcrumbs .current {
  color: var(--primary);
  font-weight: 500;
}

/* 文章容器主结构 */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: start;
}

.article-content-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

/* 文章头部 */
.article-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 28px;
  margin-bottom: 32px;
}

.article-badge {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(253, 224, 71, 0.12);
  color: var(--primary);
  border: 1px solid rgba(253, 224, 71, 0.28);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.article-title {
  font-size: clamp(24px, 3.2vw, 36px);
  font-weight: 900;
  line-height: 1.35;
  color: #ffffff;
  margin-bottom: 18px;
}

.article-meta-info {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 13px;
  color: var(--text-dim);
}

.article-meta-info span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

/* 正文核心排版 */
.article-body {
  font-size: 16px;
  line-height: 1.85;
  color: #cbd5e1;
}

.article-body p {
  margin-bottom: 22px;
}

.article-body h2 {
  font-size: 24px;
  font-weight: 800;
  color: #ffffff;
  margin: 40px 0 18px;
  padding-bottom: 10px;
  border-bottom: 2px solid rgba(253, 224, 71, 0.28);
  position: relative;
  display: flex;
  align-items: center;
}

.article-body h2::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 22px;
  background: linear-gradient(180deg, var(--primary), var(--secondary));
  border-radius: 3px;
  margin-right: 12px;
}

.article-body h3 {
  font-size: 20px;
  font-weight: 700;
  color: #e2e8f0;
  margin: 28px 0 14px;
}

.article-body ul, 
.article-body ol {
  margin: 0 0 24px 24px;
  color: #cbd5e1;
}

.article-body li {
  margin-bottom: 10px;
  line-height: 1.7;
}

.article-body strong {
  color: #ffffff;
  font-weight: 700;
}

/* 提示卡片 */
.alert-box {
  background: rgba(13, 21, 39, 0.85);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 18px 22px;
  margin: 24px 0;
}

.alert-box.tip {
  border-left-color: var(--success);
  background: rgba(16, 185, 129, 0.08);
}

.alert-box.warning {
  border-left-color: var(--warning);
  background: rgba(245, 158, 11, 0.08);
}

.alert-title {
  font-size: 15px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 6px;
}

/* 响应式参数表格 */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 26px 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.styled-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

.styled-table th {
  background: rgba(255, 255, 255, 0.04);
  color: var(--primary);
  font-weight: 700;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
}

.styled-table td {
  padding: 12px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: #cbd5e1;
}

.styled-table tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

/* 文中专属推荐转化卡片 */
.article-cta-box {
  background: linear-gradient(135deg, rgba(253, 224, 71, 0.12) 0%, rgba(139, 92, 246, 0.12) 100%);
  border: 1px solid var(--primary);
  border-radius: var(--radius-md);
  padding: 28px;
  margin: 36px 0;
  text-align: center;
  box-shadow: var(--shadow-glow);
}

.article-cta-title {
  font-size: 20px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 10px;
}

.article-cta-desc {
  font-size: 14px;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 20px;
}

/* 侧边栏 */
.article-sidebar {
  position: sticky;
  top: 90px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 22px;
}

.sidebar-title {
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

/* 目录树 */
.toc-list {
  list-style: none;
  font-size: 13px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toc-list a {
  color: var(--text-muted);
  transition: var(--transition);
  display: block;
}

.toc-list a:hover {
  color: var(--primary);
  transform: translateX(4px);
}

/* 上下篇文章切换 */
.article-nav-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 40px 0 20px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.pager-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 16px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.pager-btn:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.pager-label {
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.pager-title {
  font-size: 14px;
  font-weight: 700;
  color: #ffffff;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 相关推荐文章卡片 */
.related-articles {
  margin-top: 40px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.related-title {
  font-size: 20px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 20px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.related-card {
  background: rgba(13, 21, 39, 0.5);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 16px;
  transition: var(--transition);
}

.related-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.related-card h4 {
  font-size: 14px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
  line-height: 1.4;
}

.related-card p {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 0;
}

@media (max-width: 992px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    position: static;
  }
  .article-content-wrapper {
    padding: 24px;
  }
  .article-nav-pager {
    grid-template-columns: 1fr;
  }
}