/* ==========================================================================
   FastNode 机场网 (fastnode.homes) - Editorial Article & Legal Page Styles
   Pure Native CSS · Paired with css/main.css
   ========================================================================== */

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

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

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 36px;
  align-items: start;
  padding: 42px 0 80px;
}

.article-main {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 38px 40px;
  box-shadow: var(--shadow-card);
}

.article-header {
  padding-bottom: 24px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--border-subtle);
}

.article-kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 14px;
}

.article-h1 {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.article-byline {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.tldr-box {
  background: rgba(0, 229, 255, 0.06);
  border: 1px solid rgba(0, 229, 255, 0.25);
  border-left: 4px solid var(--cyan);
  border-radius: 12px;
  padding: 18px 20px;
  margin-bottom: 28px;
}

.tldr-box strong {
  display: block;
  color: var(--cyan);
  font-size: 14px;
  margin-bottom: 6px;
}

.tldr-box p {
  font-size: 14.5px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.article-body h2 {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  margin: 34px 0 14px;
  padding-left: 12px;
  border-left: 3px solid var(--cyan);
  scroll-margin-top: 96px;
}

.article-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: #e2e8f0;
  margin: 22px 0 10px;
}

.article-body p {
  font-size: 16px;
  line-height: 1.88;
  color: var(--text-secondary);
  margin-bottom: 18px;
}

.article-body a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-body a:hover {
  color: var(--emerald);
}

.article-body ul {
  margin: 0 0 20px 20px;
  list-style: disc;
  color: var(--text-secondary);
}

.article-body li {
  margin-bottom: 8px;
  line-height: 1.75;
}

.article-table-wrap {
  overflow-x: auto;
  margin: 22px 0;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
}

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

.article-table th,
.article-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid rgba(56, 189, 248, 0.12);
}

.article-table th {
  background: rgba(0, 229, 255, 0.08);
  color: var(--text-primary);
}

.article-inline-cta {
  margin: 32px 0;
  padding: 24px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.1) 0%, rgba(16, 185, 129, 0.1) 100%);
  border: 1px solid var(--border-bright);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.article-inline-cta h3 {
  margin: 0 0 6px;
  font-size: 18px;
  color: var(--text-primary);
}

.article-inline-cta p {
  margin: 0;
  font-size: 14px;
  color: var(--text-secondary);
}

/* Prev / Next & Related Articles */
.article-pager {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--border-subtle);
}

.pager-link {
  background: rgba(9, 15, 30, 0.85);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 16px 18px;
  display: block;
}

.pager-link:hover {
  border-color: var(--cyan);
}

.pager-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--cyan);
  margin-bottom: 5px;
}

.pager-title {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--text-primary);
}

.related-section {
  margin-top: 34px;
  padding-top: 28px;
  border-top: 1px solid var(--border-subtle);
}

.related-section h2 {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 18px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.related-card {
  background: rgba(9, 15, 30, 0.85);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 10px;
}

.related-card:hover {
  border-color: var(--cyan);
}

.related-card strong {
  font-size: 14.5px;
  line-height: 1.45;
  color: var(--text-primary);
}

.related-card span {
  font-size: 12.5px;
  color: var(--cyan);
  font-weight: 700;
}

/* Sidebar */
.article-sidebar {
  position: sticky;
  top: 94px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sidebar-card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 22px;
}

.sidebar-card h3 {
  font-size: 15px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-subtle);
}

.toc-list {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.toc-list a {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.45;
}

.toc-list a:hover {
  color: var(--cyan);
}

.sidebar-price-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
}

.sidebar-price-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13.5px;
  padding: 8px 10px;
  background: rgba(6, 11, 24, 0.72);
  border-radius: 8px;
}

.sidebar-price-item strong {
  color: var(--cyan);
  font-family: var(--font-mono);
}

@media (max-width: 980px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    position: static;
  }
}

@media (max-width: 640px) {
  .article-main {
    padding: 24px 20px;
  }
  .article-pager,
  .related-grid {
    grid-template-columns: 1fr;
  }
}