/* ==========================================================================
   云翼网络 (yunyiwangluo.homes) - 知识库与深度文章专用样式表
   极致阅读体验 | 搜索引擎友好 | 原生无外部依赖
   ========================================================================== */

.article-page {
  padding: 50px 0 90px;
  position: relative;
  z-index: 2;
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 30px;
}

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

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

.breadcrumb-separator {
  color: var(--text-dim);
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: start;
}

/* 主文章容器 */
.article-main {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 48px;
  backdrop-filter: blur(16px);
}

.article-header {
  margin-bottom: 36px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--border-subtle);
}

.article-header-tag {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--primary-cyan);
  background: rgba(0, 245, 255, 0.08);
  border: 1px solid var(--border-glow);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.article-title {
  font-size: 2.3rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}

.article-info-bar {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.86rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

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

/* 文章正文排版 */
.article-content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.article-content h2 {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 40px 0 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: 10px;
}

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

.article-content h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 28px 0 14px;
}

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

.article-content ul, .article-content ol {
  margin-bottom: 22px;
  padding-left: 24px;
}

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

.article-content strong {
  color: #FFFFFF;
  font-weight: 700;
}

/* 引用与警告框 */
.article-content blockquote {
  background: rgba(0, 245, 255, 0.05);
  border-left: 4px solid var(--primary-cyan);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
  color: var(--text-secondary);
  font-style: normal;
}

.callout-box {
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: var(--radius-md);
  padding: 20px;
  margin: 26px 0;
}

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

/* 对比表格样式 */
.article-table-wrap {
  width: 100%;
  overflow-x: auto;
  margin: 26px 0;
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.94rem;
  text-align: left;
}

.article-table th, .article-table td {
  padding: 14px 18px;
  border: 1px solid var(--border-subtle);
}

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

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

/* 代码块 */
.code-block {
  background: #03060C;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  margin: 24px 0;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: #38BDF8;
  overflow-x: auto;
  line-height: 1.6;
}

/* 文章内置 CTA 横幅 */
.article-cta-box {
  margin: 40px 0;
  background: linear-gradient(135deg, rgba(2, 132, 199, 0.15) 0%, rgba(99, 102, 241, 0.15) 100%);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 30px;
  text-align: center;
}

.article-cta-box h3 {
  font-size: 1.45rem;
  margin-bottom: 10px;
  color: #FFFFFF;
}

.article-cta-box p {
  color: var(--text-muted);
  font-size: 0.96rem;
  margin-bottom: 20px;
}

/* 文章分页导航 (上一篇/下一篇) */
.article-nav-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 45px 0 35px;
  padding-top: 30px;
  border-top: 1px solid var(--border-subtle);
}

.article-nav-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  text-decoration: none;
  transition: var(--transition);
}

.article-nav-card:hover {
  border-color: var(--border-glow);
  background: rgba(255, 255, 255, 0.05);
}

.article-nav-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.article-nav-title {
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.article-nav-card:hover .article-nav-title {
  color: var(--primary-cyan);
}

/* 侧边栏 Widget */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: 96px;
}

.sidebar-widget {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(14px);
}

.widget-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: 8px;
}

.widget-hot-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.widget-hot-item a {
  display: block;
  font-size: 0.88rem;
  color: var(--text-secondary);
  text-decoration: none;
  line-height: 1.45;
  transition: var(--transition);
}

.widget-hot-item a:hover {
  color: var(--primary-cyan);
}

.widget-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

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

.widget-tag:hover {
  border-color: var(--primary-cyan);
  color: var(--primary-cyan);
}

/* 移动端文章自适应 */
@media (max-width: 992px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    position: static;
  }
  .article-main {
    padding: 30px 22px;
  }
  .article-title {
    font-size: 1.8rem;
  }
}

@media (max-width: 640px) {
  .article-nav-links {
    grid-template-columns: 1fr;
  }
}