/* ==========================================================================
   文章专栏与详情页专用样式表 (css/article.css)
   Pure Native CSS - 极致排版与深度SEO优化
   ========================================================================== */

.article-page-wrap {
  padding: 40px 0 80px;
  position: relative;
  z-index: 1;
}

/* 面包屑导航 */
.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-dim);
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.breadcrumb-nav a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}

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

.breadcrumb-sep {
  color: var(--border-color);
}

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

/* 布局网格：正文 + 侧边栏 */
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 36px;
  align-items: start;
}

/* 文章主体容器 */
.article-main-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px 42px;
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-card);
}

/* 文章头部 */
.article-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 26px;
  margin-bottom: 32px;
}

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

.article-category-badge {
  background: rgba(255, 117, 160, 0.12);
  border: 1px solid rgba(255, 117, 160, 0.35);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.article-h1 {
  font-size: 2.2rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.35;
  margin-bottom: 18px;
}

.article-meta-info {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.85rem;
  color: var(--text-dim);
  flex-wrap: wrap;
}

.meta-author, .meta-date, .meta-readtime {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* 正文排版 */
.article-body {
  font-size: 1.05rem;
  color: #e2e8f0;
  line-height: 1.85;
}

.article-body p {
  margin-bottom: 22px;
}

.article-body h2 {
  font-size: 1.55rem;
  font-weight: 700;
  color: #ffffff;
  margin-top: 42px;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 117, 160, 0.2);
  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: 1.25rem;
  font-weight: 600;
  color: #f1f5f9;
  margin-top: 30px;
  margin-bottom: 14px;
}

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

.article-body li {
  margin-bottom: 10px;
  line-height: 1.75;
}

.article-body strong {
  color: #ffffff;
  font-weight: 700;
}

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

.article-body a:hover {
  color: #ffffff;
}

/* 高亮信息提示框 */
.callout-box {
  background: rgba(255, 117, 160, 0.08);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 18px 22px;
  margin: 26px 0;
}

.callout-box p {
  margin-bottom: 0;
  font-size: 0.95rem;
  color: #ffe4ec;
}

/* 警告框 */
.callout-box.warning {
  background: rgba(245, 158, 11, 0.08);
  border-left-color: var(--accent-gold);
}

.callout-box.warning p {
  color: #fef3c7;
}

/* 对比表格 */
.table-wrap {
  overflow-x: auto;
  margin: 30px 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

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

.comparison-table th {
  background: rgba(24, 10, 20, 0.9);
  color: var(--primary);
  padding: 14px 18px;
  font-weight: 700;
  border-bottom: 1px solid var(--border-color);
}

.comparison-table td {
  padding: 14px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: #cbd5e1;
}

.comparison-table tr:hover {
  background: rgba(255, 117, 160, 0.06);
}

/* 代码或配置块 */
.code-block {
  background: #020611;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: #ffa8c5;
  overflow-x: auto;
  margin: 24px 0;
}

/* 正文底部行动号召 (In-Article CTA) */
.article-cta-card {
  margin-top: 48px;
  background: linear-gradient(135deg, rgba(38, 14, 28, 0.9) 0%, rgba(18, 8, 20, 0.95) 100%);
  border: 2px solid rgba(255, 117, 160, 0.35);
  border-radius: var(--radius-lg);
  padding: 34px 30px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(255, 117, 160, 0.15);
}

.article-cta-card h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 12px;
}

.article-cta-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 600px;
  margin: 0 auto 22px;
}

/* 上下篇导航 */
.article-nav-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 40px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-link-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  text-decoration: none;
  transition: var(--transition);
  display: block;
}

.nav-link-card:hover {
  border-color: var(--primary);
  background: rgba(255, 117, 160, 0.08);
}

.nav-link-card .direction {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.nav-link-card .title {
  font-size: 0.92rem;
  color: #ffffff;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 侧边栏 Widget */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 26px;
  position: sticky;
  top: 96px;
}

.sidebar-widget {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(12px);
}

.widget-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-cta-widget {
  text-align: center;
  background: linear-gradient(180deg, rgba(42, 14, 28, 0.9) 0%, rgba(20, 8, 18, 0.95) 100%);
  border-color: rgba(255, 117, 160, 0.4);
}

.sidebar-cta-widget h4 {
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 8px;
}

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

.toc-list {
  list-style: none;
}

.toc-list li {
  margin-bottom: 10px;
}

.toc-list a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  transition: var(--transition);
  display: block;
  padding: 4px 0 4px 10px;
  border-left: 2px solid transparent;
}

.toc-list a:hover {
  color: var(--primary);
  border-left-color: var(--primary);
}

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

.sidebar-articles-list li {
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.sidebar-articles-list a {
  color: #e2e8f0;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  line-height: 1.45;
  display: block;
  transition: var(--transition);
}

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

.sidebar-keywords-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.keyword-chip {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  text-decoration: none;
  transition: var(--transition);
}

.keyword-chip:hover {
  background: rgba(255, 117, 160, 0.15);
  border-color: var(--primary);
  color: var(--primary);
}

/* 列表页 (articles/index.html) */
.articles-index-hero {
  text-align: center;
  padding: 40px 0 50px;
}

.articles-index-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

/* 响应式调整 */
@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    position: static;
    margin-top: 30px;
  }
  .articles-index-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .article-main-content {
    padding: 26px 20px;
  }
  .article-h1 {
    font-size: 1.65rem;
  }
  .article-nav-links {
    grid-template-columns: 1fr;
  }
  .articles-index-grid {
    grid-template-columns: 1fr;
  }
}