/* ==========================================================================
   AgentNeo 机场官网 (agentneo.homes) - 知识科普专栏文章样式表
   零依赖 · 原生极速 · SEO 结构化优化 · 专注舒适深度阅读
   ========================================================================== */

.article-header {
  padding: 50px 0 35px;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 40px;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.breadcrumbs a {
  color: var(--primary);
  text-decoration: none;
}

.breadcrumbs a:hover {
  text-decoration: underline;
}

.article-main-title {
  font-size: 2.3rem;
  font-weight: 800;
  line-height: 1.35;
  color: #ffffff;
  max-width: 960px;
  margin: 0 auto 20px;
}

.article-meta-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  font-size: 0.9rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  padding-bottom: 80px;
}

.article-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 45px 40px;
  color: #e2e8f0;
  line-height: 1.85;
  font-size: 1.05rem;
  backdrop-filter: blur(12px);
}

.article-content h2 {
  font-size: 1.65rem;
  font-weight: 800;
  color: #ffffff;
  margin: 40px 0 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  gap: 10px;
}

.article-content h2::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 24px;
  background: linear-gradient(180deg, var(--primary), var(--accent-blue));
  border-radius: 3px;
}

.article-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #38bdf8;
  margin: 28px 0 14px;
}

.article-content p {
  margin-bottom: 20px;
  text-align: justify;
}

.article-content ul, .article-content ol {
  margin: 18px 0 24px 24px;
}

.article-content li {
  margin-bottom: 10px;
  color: #cbd5e1;
}

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

.article-content blockquote {
  background: rgba(0, 245, 255, 0.06);
  border-left: 4px solid var(--primary);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
  color: #94a3b8;
  font-style: italic;
}

.article-content code {
  font-family: var(--font-mono);
  background: rgba(0, 0, 0, 0.4);
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 0.9em;
  color: #38bdf8;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.article-content pre {
  background: rgba(4, 8, 16, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 18px;
  overflow-x: auto;
  margin: 24px 0;
}

.article-content pre code {
  background: none;
  border: none;
  padding: 0;
  color: #a7f3d0;
  font-size: 0.92rem;
}

/* 对比表格 */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.comparison-table th, .comparison-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.comparison-table th {
  background: rgba(0, 245, 255, 0.12);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.95rem;
}

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

.comparison-table td {
  font-size: 0.9rem;
  color: #cbd5e1;
}

/* 侧边栏小组件 */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.sidebar-widget {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
}

.widget-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-cta {
  text-align: center;
  background: linear-gradient(180deg, rgba(14, 38, 74, 0.85) 0%, rgba(6, 16, 32, 0.9) 100%);
  border-color: var(--primary);
}

.sidebar-cta h3 {
  font-size: 1.3rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 10px;
}

.sidebar-cta p {
  font-size: 0.88rem;
  color: var(--text-sub);
  margin-bottom: 18px;
  line-height: 1.6;
}

.sidebar-links {
  list-style: none;
}

.sidebar-links li {
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.sidebar-links li:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.sidebar-links a {
  color: var(--text-sub);
  text-decoration: none;
  font-size: 0.9rem;
  line-height: 1.5;
  display: block;
  transition: color var(--transition-fast);
}

.sidebar-links a:hover {
  color: var(--primary);
}

/* 内部跳转卡片 (文章末尾) */
.article-nav-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 45px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.article-nav-card {
  background: rgba(4, 8, 16, 0.5);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  text-decoration: none;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
}

.article-nav-card:hover {
  border-color: var(--primary);
  background: rgba(0, 245, 255, 0.05);
  transform: translateY(-2px);
}

.nav-label {
  font-size: 0.78rem;
  color: var(--primary);
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 6px;
}

.nav-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: #ffffff;
  line-height: 1.4;
}

@media (max-width: 992px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-content {
    padding: 30px 24px;
  }
  .article-main-title {
    font-size: 1.8rem;
  }
}

@media (max-width: 600px) {
  .article-nav-box {
    grid-template-columns: 1fr;
  }
}