/* ==========================================================================
   xsus 观测站 (Astronomical Journal & Editorial Layout)
   Styles for Journal Articles, Standalone Pages, and Research Reports
   ========================================================================== */

.journal-article-header {
  padding-top: 64px;
  padding-bottom: 48px;
  background: linear-gradient(180deg, rgba(216, 203, 239, 0.25) 0%, rgba(245, 241, 252, 0) 100%);
  border-bottom: 1px solid var(--border-lavender);
}

.journal-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-dim);
  margin-bottom: 24px;
}

.journal-breadcrumbs a {
  color: var(--text-muted);
  transition: color 0.2s;
}

.journal-breadcrumbs a:hover {
  color: var(--text-main);
}

.journal-paper-meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  border-radius: var(--radius-round);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-lavender);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.journal-article-title {
  font-size: 2.5rem;
  line-height: 1.3;
  margin-bottom: 18px;
  color: var(--text-main);
  max-width: 960px;
}

.journal-authors-bar {
  display: flex;
  align-items: center;
  gap: 24px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  padding-top: 16px;
  border-top: 1px dashed var(--border-fine);
}

.journal-abstract-box {
  background-color: var(--bg-surface);
  border-left: 4px solid var(--lavender-dark);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 24px 28px;
  margin: 36px 0;
  box-shadow: var(--shadow-subtle);
  border-top: 1px solid var(--border-fine);
  border-right: 1px solid var(--border-fine);
  border-bottom: 1px solid var(--border-fine);
}

.journal-abstract-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-main);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.journal-abstract-text {
  font-size: 0.96875rem;
  line-height: 1.7;
  color: var(--text-muted);
}

/* Journal Article Body Typography */
.article-content {
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--text-main);
  max-width: 860px;
  margin: 0 auto;
}

.article-content h2 {
  font-size: 1.65rem;
  margin-top: 48px;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-lavender);
  color: var(--text-main);
}

.article-content h3 {
  font-size: 1.3rem;
  margin-top: 32px;
  margin-bottom: 14px;
  color: #383952;
}

.article-content p {
  margin-bottom: 22px;
  color: #41425B;
}

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

.article-content li {
  margin-bottom: 8px;
  color: #41425B;
}

.article-content blockquote {
  background-color: var(--ice-blue-light);
  border-left: 4px solid var(--ice-blue-dark);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
  font-style: italic;
  color: #32475E;
}

.article-data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  background-color: var(--bg-surface);
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-lavender);
}

.article-data-table th {
  background-color: var(--bg-surface-elevated);
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border-fine);
}

.article-data-table td {
  padding: 12px 16px;
  font-size: 0.9375rem;
  border-bottom: 1px solid var(--border-fine);
  color: var(--text-main);
}

.article-data-table tr:last-child td {
  border-bottom: none;
}

/* Journal Related Articles & Navigation Footer */
.journal-end-nav {
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid var(--border-lavender);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.related-articles-section {
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-lavender);
  border-radius: var(--radius-lg);
  padding: 36px;
  margin-top: 48px;
}

.related-articles-title {
  font-size: 1.35rem;
  margin-bottom: 24px;
}

.related-articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.related-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-fine);
  border-radius: var(--radius-md);
  padding: 18px;
  display: flex;
  flex-direction: column;
  transition: all 0.2s ease;
}

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

.related-card-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-main);
}

.related-card-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
  flex-grow: 1;
}

/* Responsive adjustments for journal */
@media (max-width: 768px) {
  .journal-article-title {
    font-size: 1.85rem;
  }
  
  .related-articles-grid {
    grid-template-columns: 1fr;
  }
}