/* ==========================================================================
   JIUYUN AIRPORT - EDITORIAL ARTICLE TEMPLATE STYLESHEET
   Style: Swiss International / Editorial Mono
   ========================================================================== */

.article-page {
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

.article-header {
  border-bottom: 1px solid var(--border-color);
  padding: 48px 24px;
  background-color: var(--bg-secondary);
}

.article-header-container {
  max-width: 900px;
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--accent-black);
}

.breadcrumb-separator {
  color: #A1A1AA;
}

.article-main-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.article-meta-bar {
  display: flex;
  align-items: center;
  gap: 20px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
  flex-wrap: wrap;
}

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

.article-body-layout {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 64px 24px 96px;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 64px;
  align-items: start;
}

.article-content {
  font-size: 1.05rem;
  line-height: 1.85;
  color: #27272A;
}

.article-content h2 {
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin: 48px 0 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  position: relative;
}

.article-content h2::before {
  content: '//';
  font-family: var(--font-mono);
  margin-right: 8px;
  color: var(--text-muted);
  font-weight: normal;
}

.article-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 32px 0 16px;
  color: var(--text-primary);
}

.article-content p {
  margin-bottom: 24px;
}

.article-content ul, .article-content ol {
  margin: 0 0 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.article-content li {
  line-height: 1.75;
}

.article-content strong {
  color: var(--accent-black);
  font-weight: 700;
}

.article-content a {
  color: var(--accent-black);
  text-decoration: underline;
  text-underline-offset: 4px;
  font-weight: 600;
}

.article-content a:hover {
  opacity: 0.8;
}

/* Swiss Callout Box */
.swiss-callout {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent-black);
  padding: 20px 24px;
  margin: 32px 0;
  font-size: 0.95rem;
  line-height: 1.7;
}

.swiss-callout-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
  color: var(--text-primary);
}

/* Code Snippet Box */
.code-block {
  background: #18181B;
  color: #FAFAFA;
  border: 1px solid #27272A;
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.6;
  overflow-x: auto;
  margin: 28px 0;
}

.code-block-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #3F3F46;
  padding-bottom: 8px;
  margin-bottom: 12px;
  color: #A1A1AA;
  font-size: 0.72rem;
}

/* Comparison Table */
.editorial-table {
  width: 100%;
  border-collapse: collapse;
  margin: 32px 0;
  font-size: 0.9rem;
}

.editorial-table th, .editorial-table td {
  border: 1px solid var(--border-color);
  padding: 12px 16px;
  text-align: left;
}

.editorial-table th {
  background: var(--bg-secondary);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

.editorial-table tr:nth-child(even) {
  background-color: #FAFAFA;
}

/* Sidebar Outline & CTA */
.article-sidebar {
  position: sticky;
  top: 96px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.sidebar-box {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  padding: 24px;
}

.sidebar-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
  margin-bottom: 16px;
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.85rem;
}

.toc-link {
  text-decoration: none;
  color: var(--text-secondary);
  transition: color 0.2s;
  display: block;
  line-height: 1.4;
}

.toc-link:hover {
  color: var(--accent-black);
  text-decoration: underline;
}

.cta-promo-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.cta-promo-title {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.cta-promo-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Related Articles */
.related-section {
  border-top: 1px solid var(--border-color);
  padding-top: 48px;
  margin-top: 64px;
}

.related-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 24px;
}

@media (max-width: 900px) {
  .article-body-layout {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 36px 16px;
  }
  .article-sidebar {
    position: static;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
}