/* ==========================================================================
   一元机场 (1yuanjichang.homes) - 知识文章专属排版样式表
   ========================================================================== */

.article-page {
  padding: 40px 0 100px 0;
}

/* 面包屑导航 */
.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--color-text-subtle);
  margin-bottom: 32px;
}

.breadcrumb-nav a {
  color: var(--color-text-muted);
}

.breadcrumb-nav a:hover {
  color: var(--color-brand-primary);
}

.breadcrumb-nav .sep {
  opacity: 0.5;
}

.breadcrumb-nav .current {
  color: var(--color-text-title);
  font-weight: 500;
  max-width: 320px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 文章主体网格布局 */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: start;
}

.article-main {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-sm);
}

/* 文章头部信息 */
.article-header {
  margin-bottom: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--color-border);
}

.article-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--color-text-subtle);
  margin-bottom: 16px;
}

.article-meta-row .badge {
  background: rgba(56, 189, 248, 0.1);
  color: var(--color-brand-primary);
  padding: 4px 10px;
  border-radius: 6px;
  font-weight: 600;
}

.article-page-title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--color-text-title);
  line-height: 1.3;
  margin-bottom: 16px;
}

.article-summary-lead {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  background: rgba(255, 255, 255, 0.02);
  border-left: 3px solid var(--color-brand-primary);
  padding: 14px 18px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* 正文排版与层级规范 */
.article-body {
  color: #CBD5E1;
  font-size: 1.02rem;
  line-height: 1.85;
}

.article-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-title);
  margin: 40px 0 16px 0;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  scroll-margin-top: 90px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.article-body h2::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 20px;
  background: var(--color-brand-primary);
  border-radius: 2px;
}

.article-body h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: #F1F5F9;
  margin: 28px 0 12px 0;
  scroll-margin-top: 90px;
}

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

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

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

.article-body strong {
  color: #FFFFFF;
}

/* 提示与高亮框 */
.callout-box {
  margin: 24px 0;
  padding: 18px 22px;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-brand-primary);
  background: rgba(56, 189, 248, 0.06);
}

.callout-box.tip {
  border-left-color: var(--color-brand-emerald);
  background: rgba(16, 185, 129, 0.06);
}

.callout-box.warning {
  border-left-color: var(--color-brand-accent);
  background: rgba(245, 158, 11, 0.06);
}

.callout-title {
  font-weight: 700;
  color: var(--color-text-title);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.callout-box p:last-child {
  margin-bottom: 0;
}

/* 代码与配置块 */
.code-block {
  background: #090D15;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: #38BDF8;
  overflow-x: auto;
  margin: 20px 0;
  line-height: 1.6;
}

/* 表格样式 */
.article-table-wrap {
  overflow-x: auto;
  margin: 24px 0;
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  text-align: left;
}

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

.article-table th {
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text-title);
  font-weight: 700;
}

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

/* 文中专属转化卡片 */
.article-cta-box {
  margin: 48px 0;
  padding: 32px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.1) 0%, rgba(16, 185, 129, 0.08) 100%);
  border: 1px solid rgba(56, 189, 248, 0.25);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.article-cta-content h4 {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-text-title);
  margin-bottom: 6px;
}

.article-cta-content p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

/* 侧边栏: 目录与快速导航 */
.article-sidebar {
  position: sticky;
  top: 100px;
}

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

.toc-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-title);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.88rem;
}

.toc-link {
  color: var(--color-text-muted);
  display: block;
  line-height: 1.4;
  transition: color var(--transition-fast);
}

.toc-link:hover, .toc-link.active {
  color: var(--color-brand-primary);
  padding-left: 4px;
  border-left: 2px solid var(--color-brand-primary);
}

.toc-sub {
  padding-left: 14px;
  font-size: 0.82rem;
  color: var(--color-text-subtle);
}

/* 侧边栏套餐小卡片 */
.sidebar-plan-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
}

.sidebar-plan-card h4 {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-text-title);
  margin-bottom: 8px;
}

.sidebar-plan-card p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 18px;
}

/* 底部相关阅读 */
.related-articles {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--color-border);
}

.related-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-text-title);
  margin-bottom: 24px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.related-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: all var(--transition-fast);
}

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

.related-card h5 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-title);
  margin-bottom: 6px;
}

.related-card p {
  font-size: 0.82rem;
  color: var(--color-text-subtle);
  margin-bottom: 0;
}

/* 响应式断点 */
@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    display: none; /* 移动端在正文首段自动折叠展现 */
  }
  .article-main {
    padding: 32px 24px;
  }
}

@media (max-width: 768px) {
  .article-cta-box {
    flex-direction: column;
    text-align: center;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .article-main {
    padding: 24px 14px;
    border-radius: var(--radius-md);
  }
  .article-page-title {
    font-size: 1.5rem;
  }
  .article-body {
    font-size: 0.95rem;
  }
}