/* ==========================================================================
   YOU-TU 悠兔机场官网 (you-tu.lol) - 文章专栏与阅读排版专用样式表
   零重型框架依赖 · 秒开性能设计 · 极简原生响应式架构
   ========================================================================== */

/* 文章页面主结构 */
.article-header-section {
  padding: 50px 0 30px;
  background: linear-gradient(180deg, rgba(255, 85, 0, 0.08) 0%, transparent 100%);
  border-bottom: 1px solid var(--border-light);
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

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

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

.breadcrumbs-sep {
  color: var(--text-dim);
}

.article-headline {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.35;
  color: #FFFFFF;
  margin-bottom: 18px;
  letter-spacing: -0.5px;
}

.article-meta-bar {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 13px;
  color: var(--text-muted);
  flex-wrap: wrap;
  padding-bottom: 10px;
}

.article-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-body-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 40px;
  padding: 40px 0 80px;
}

/* 正文排版 */
.article-content {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  font-size: 16px;
  line-height: 1.85;
  color: #E2E8F0;
}

.article-content h2 {
  font-size: 24px;
  font-weight: 800;
  color: #FFFFFF;
  margin: 40px 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 10px;
}

.article-content h2::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 22px;
  background: linear-gradient(180deg, #FF0055, #FF5500);
  border-radius: 2px;
}

.article-content h3 {
  font-size: 19px;
  font-weight: 700;
  color: #FFFFFF;
  margin: 28px 0 12px;
}

.article-content p {
  margin-bottom: 20px;
  color: #CBD5E1;
}

.article-content ul, .article-content ol {
  margin: 0 0 24px 24px;
  color: #CBD5E1;
}

.article-content li {
  margin-bottom: 8px;
}

.article-content strong {
  color: #FFFFFF;
  font-weight: 700;
}

.article-content a {
  color: #FF5500;
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 600;
}

.article-content a:hover {
  color: #FF8833;
}

/* 提示警示框 */
.article-callout {
  background: rgba(255, 85, 0, 0.08);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 16px 20px;
  margin: 26px 0;
  font-size: 14.5px;
}

.article-callout.tip {
  background: rgba(0, 229, 255, 0.08);
  border-left-color: var(--accent-cyan);
}

.article-callout.warning {
  background: rgba(255, 184, 0, 0.08);
  border-left-color: var(--accent-gold);
}

.article-callout-title {
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* 数据表格 */
.table-wrapper {
  overflow-x: auto;
  margin: 28px 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
}

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

.article-table th {
  background: rgba(255, 255, 255, 0.04);
  color: #FFFFFF;
  padding: 14px 16px;
  font-weight: 700;
  border-bottom: 1px solid var(--border-light);
}

.article-table td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
}

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

/* 代码段落 */
.article-content code {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: Consolas, Monaco, monospace;
  font-size: 13.5px;
  color: var(--accent-cyan);
}

.article-content pre {
  background: #090C12;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  overflow-x: auto;
  margin: 24px 0;
}

.article-content pre code {
  background: transparent;
  border: none;
  padding: 0;
  color: #E2E8F0;
  font-size: 13.5px;
}

/* 正文底部行动召唤卡片 (Article Bottom CTA) */
.article-cta-box {
  margin-top: 40px;
  padding: 30px;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.12) 0%, rgba(0, 102, 255, 0.12) 100%);
  border: 1.5px solid rgba(0, 229, 255, 0.35);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.article-cta-title {
  font-size: 22px;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 10px;
}

.article-cta-desc {
  font-size: 14.5px;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 20px;
}

/* 侧边栏 (Sidebar) */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-widget {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  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 var(--border-light);
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-article-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sidebar-article-item a {
  display: block;
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.45;
  transition: var(--transition);
}

.sidebar-article-item a:hover {
  color: var(--primary);
  transform: translateX(3px);
}

.sidebar-promo-card {
  text-align: center;
  background: linear-gradient(180deg, rgba(255, 85, 0, 0.12), rgba(18, 24, 38, 0.9));
  border-color: var(--border-active);
}

.sidebar-promo-badge {
  display: inline-block;
  font-size: 11px;
  color: #FF5500;
  background: rgba(255, 85, 0, 0.15);
  padding: 3px 8px;
  border-radius: 4px;
  font-weight: 700;
  margin-bottom: 10px;
}

.sidebar-promo-title {
  font-size: 18px;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 8px;
}

.sidebar-promo-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

/* 标签云 */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-badge {
  font-size: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  padding: 4px 10px;
  border-radius: 999px;
  color: var(--text-muted);
  transition: var(--transition);
}

.tag-badge:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: rgba(255, 85, 0, 0.1);
}

/* 响应式适配 */
@media (max-width: 900px) {
  .article-body-layout {
    grid-template-columns: 1fr;
  }
  
  .article-content {
    padding: 24px 20px;
  }
  
  .article-headline {
    font-size: 26px;
  }
}