/* ==========================================================================
   天航机场官网 (tianhang.mom) - 文章与专栏专属原生样式表
   零重型框架 · 极简秒开 · 极致可读性排版
   ========================================================================== */

.article-container {
  max-width: 920px;
  margin: 0 auto;
  padding: 40px 20px 80px;
}

/* 面包屑导航 */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.breadcrumbs a {
  color: var(--accent-sky);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.breadcrumbs span {
  color: rgba(255, 255, 255, 0.3);
}

/* 文章头部 */
.article-header {
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(56, 189, 248, 0.15);
}

.article-title {
  font-size: 34px;
  line-height: 1.35;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 18px;
  letter-spacing: -0.3px;
}

.article-meta-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
  flex-wrap: wrap;
}

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

/* 文章正文排版 */
.article-body {
  font-size: 16px;
  line-height: 1.85;
  color: #d1d5db;
}

.article-body h2 {
  font-size: 24px;
  font-weight: 700;
  color: #ffffff;
  margin: 42px 0 18px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(56, 189, 248, 0.15);
  display: flex;
  align-items: center;
  gap: 10px;
}

.article-body h2::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 22px;
  background: var(--primary);
  border-radius: 2px;
}

.article-body h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--accent-sky);
  margin: 28px 0 14px;
}

.article-body p {
  margin-bottom: 20px;
}

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

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

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

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

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

/* 提示卡片 */
.callout-box {
  background: rgba(14, 30, 56, 0.65);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 18px 20px;
  margin: 26px 0;
}

.callout-box.tip {
  border-left-color: var(--accent-green);
  background: rgba(16, 185, 129, 0.08);
}

.callout-box.warning {
  border-left-color: var(--accent-gold);
  background: rgba(251, 191, 36, 0.08);
}

.callout-title {
  font-weight: 700;
  color: #ffffff;
  font-size: 15px;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.callout-box p {
  margin-bottom: 0;
  font-size: 14px;
}

/* 比较表格 */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 28px 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.custom-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
  background: var(--bg-card);
}

.custom-table th {
  background: rgba(16, 32, 60, 0.85);
  color: #ffffff;
  font-weight: 700;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.custom-table td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(56, 189, 248, 0.1);
  color: var(--text-sub);
}

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

.custom-table tr:hover {
  background: rgba(20, 42, 78, 0.5);
}

/* 文章内部导航 & CTA */
.article-cta-box {
  background: linear-gradient(135deg, rgba(20, 16, 42, 0.9) 0%, rgba(8, 12, 30, 0.95) 100%);
  border: 1px solid rgba(192, 132, 252, 0.38);
  border-radius: var(--radius-lg);
  padding: 30px;
  margin: 45px 0;
  text-align: center;
}

.article-cta-box h3 {
  font-size: 22px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 10px;
}

.article-cta-box p {
  font-size: 14px;
  color: var(--text-sub);
  margin-bottom: 20px;
}

/* 文章相互内链卡片 */
.related-articles {
  margin-top: 50px;
  padding-top: 30px;
  border-top: 1px solid rgba(56, 189, 248, 0.15);
}

.related-title {
  font-size: 20px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 20px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.related-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px;
  text-decoration: none;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.related-card:hover {
  border-color: var(--primary);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.related-card-title {
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
  line-height: 1.45;
  margin-bottom: 8px;
}

.related-card-tag {
  font-size: 11px;
  color: var(--primary);
}

@media (max-width: 768px) {
  .article-title {
    font-size: 26px;
  }
  .article-body h2 {
    font-size: 20px;
  }
  .article-body h3 {
    font-size: 17px;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
}