/* ==========================================================================
   轻语机场 (qingyujc.homes) 知识文章与教程详情页专用样式
   ========================================================================== */

.article-page-wrap {
  padding: 48px 0 96px;
}

/* 面包屑导航 */
.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.breadcrumb-nav a {
  color: var(--text-secondary);
}

.breadcrumb-nav a:hover {
  color: var(--aurora-cyan);
}

.breadcrumb-separator {
  color: var(--border-glass);
}

/* 文章头部 */
.article-header {
  margin-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 36px;
}

.article-header-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 9999px;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.25);
  color: var(--aurora-cyan);
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.article-main-title {
  font-size: clamp(1.85rem, 3.4vw, 2.6rem);
  font-weight: 800;
  line-height: 1.3;
  color: #ffffff;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.article-meta-bar {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.875rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

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

/* 文章主体排版网格 (两栏: 侧边目录 + 正文) */
.article-layout-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
  align-items: start;
}

/* 粘性侧边目录 (Sticky TOC) */
.article-sidebar {
  position: sticky;
  top: calc(var(--nav-height) + 24px);
  max-height: calc(100vh - var(--nav-height) - 48px);
  overflow-y: auto;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: rgba(13, 22, 44, 0.5);
  border: 1px solid var(--border-glass);
  backdrop-filter: var(--glass-blur);
}

.toc-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.875rem;
}

.toc-link {
  color: var(--text-secondary);
  display: block;
  line-height: 1.5;
  transition: all 0.2s ease;
}

.toc-link:hover, .toc-link.active {
  color: var(--aurora-cyan);
  padding-left: 4px;
}

.toc-sub-item {
  padding-left: 14px;
  font-size: 0.8125rem;
}

/* 文章正文区域 */
.article-content {
  background: rgba(13, 22, 44, 0.45);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 48px 44px;
  backdrop-filter: var(--glass-blur);
  line-height: 1.85;
  font-size: 1.0625rem;
  color: #cbd5e1;
}

.article-content h2 {
  font-size: 1.625rem;
  font-weight: 750;
  color: #ffffff;
  margin-top: 48px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  letter-spacing: -0.01em;
}

.article-content h2:first-of-type {
  margin-top: 0;
}

.article-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #f1f5f9;
  margin-top: 32px;
  margin-bottom: 14px;
}

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

.article-content strong {
  color: #ffffff;
  font-weight: 600;
}

.article-content ul, .article-content ol {
  margin-bottom: 24px;
  padding-left: 28px;
}

.article-content li {
  margin-bottom: 10px;
}

.article-content blockquote {
  margin: 28px 0;
  padding: 18px 24px;
  background: rgba(56, 189, 248, 0.08);
  border-left: 4px solid var(--aurora-cyan);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: #e2e8f0;
  font-size: 0.9375rem;
}

/* 提示卡片 Callouts */
.callout-box {
  margin: 28px 0;
  padding: 20px 24px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  gap: 16px;
}

.callout-box.tip {
  border-left: 4px solid #10b981;
  background: rgba(16, 185, 129, 0.05);
}

.callout-box.warning {
  border-left: 4px solid #f59e0b;
  background: rgba(245, 158, 11, 0.05);
}

.callout-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

/* 步骤表格 */
.article-table-wrap {
  overflow-x: auto;
  margin: 28px 0;
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  text-align: left;
}

.article-table th {
  background: rgba(255, 255, 255, 0.06);
  padding: 14px 18px;
  color: #ffffff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.article-table td {
  padding: 14px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
}

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

/* 文章底部行动卡片 */
.article-cta-box {
  margin-top: 56px;
  padding: 36px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(2, 132, 199, 0.25) 0%, rgba(99, 102, 241, 0.15) 100%);
  border: 1px solid rgba(56, 189, 248, 0.35);
  text-align: center;
}

.article-cta-title {
  font-size: 1.5rem;
  font-weight: 750;
  color: #ffffff;
  margin-bottom: 12px;
}

.article-cta-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto 24px;
}

/* 相关阅读区域 */
.related-section {
  margin-top: 64px;
}

.related-title {
  font-size: 1.5rem;
  font-weight: 750;
  color: #ffffff;
  margin-bottom: 24px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

/* 响应式调整 */
@media (max-width: 900px) {
  .article-layout-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .article-sidebar {
    position: static;
    max-height: none;
  }
  .article-content {
    padding: 32px 24px;
  }
}

@media (max-width: 480px) {
  .article-content {
    padding: 24px 16px;
    font-size: 0.9375rem;
  }
}