/* ==========================================================================
   ByWave.top 文章与知识中心专有样式库 (SEO深优化·排版阅读增强)
   ========================================================================== */

.article-page {
  padding: 50px 0 90px 0;
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--text-muted);
  margin-bottom: 28px;
}

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

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

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

/* 文章头部 */
.article-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 30px;
  margin-bottom: 36px;
}

.article-main-title {
  font-size: clamp(26px, 3.8vw, 42px);
  font-weight: 900;
  color: #FFFFFF;
  line-height: 1.3;
  margin-bottom: 18px;
}

.article-post-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 14px;
  color: var(--text-secondary);
}

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

/* 主布局：文章正文 + 侧边栏/推荐 */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 40px;
  align-items: start;
}

.article-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(12px);
}

/* 正文排版 */
.article-body {
  font-size: 16px;
  line-height: 1.85;
  color: #CBD5E1;
}

.article-body h2 {
  font-size: 26px;
  font-weight: 800;
  color: #FFFFFF;
  margin: 44px 0 18px 0;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(56, 189, 248, 0.2);
  display: flex;
  align-items: center;
  gap: 8px;
}

.article-body h2::before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 24px;
  background: var(--primary-cyan);
  border-radius: 2px;
}

.article-body h3 {
  font-size: 20px;
  font-weight: 700;
  color: #F1F5F9;
  margin: 28px 0 14px 0;
}

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

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

.article-body ul, .article-body ol {
  margin: 0 0 22px 24px;
}

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

/* 强调高亮盒 */
.callout-box {
  background: rgba(2, 132, 199, 0.12);
  border-left: 4px solid var(--primary-cyan);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 18px 22px;
  margin: 26px 0;
  font-size: 15px;
  color: #E2E8F0;
}

.callout-box strong {
  color: var(--primary-cyan);
}

.callout-warning {
  background: rgba(245, 158, 11, 0.12);
  border-left-color: var(--accent-gold);
}

.callout-warning strong {
  color: var(--accent-gold);
}

/* 快速目录 TOC */
.toc-box {
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 32px;
}

.toc-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-cyan);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.toc-list li {
  margin-bottom: 8px;
}

.toc-list a {
  color: var(--text-secondary);
  font-size: 14px;
}

.toc-list a:hover {
  color: var(--primary-cyan);
  padding-left: 4px;
}

/* 比较表格 */
.table-wrap {
  overflow-x: auto;
  margin: 26px 0;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14.5px;
}

.article-table th {
  background: rgba(30, 41, 59, 0.9);
  color: var(--primary-cyan);
  padding: 14px 18px;
  font-weight: 700;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.article-table td {
  padding: 12px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  color: #CBD5E1;
}

.article-table tr:hover td {
  background: rgba(255, 255, 255, 0.03);
}

/* 代码与配置框 */
.code-block {
  background: #090D1A;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin: 20px 0;
  font-family: Consolas, Monaco, "Courier New", monospace;
  font-size: 13.5px;
  color: #38BDF8;
  overflow-x: auto;
  line-height: 1.6;
}

/* 文章内部内链卡片 */
.internal-link-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: var(--radius-md);
  padding: 18px 24px;
  margin: 28px 0;
  transition: all 0.25s;
}

.internal-link-card:hover {
  border-color: var(--primary-cyan);
  transform: translateX(4px);
  box-shadow: 0 4px 15px rgba(0, 245, 255, 0.15);
}

.link-card-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.link-card-tag {
  font-size: 11px;
  color: var(--primary-cyan);
  font-weight: 700;
  text-transform: uppercase;
}

.link-card-title {
  font-size: 15.5px;
  font-weight: 700;
  color: #FFFFFF;
}

/* 文章内嵌入式 CTA 注册横幅 */
.article-inline-cta {
  background: linear-gradient(135deg, rgba(2, 132, 199, 0.25) 0%, rgba(139, 92, 246, 0.2) 100%);
  border: 1px solid rgba(0, 245, 255, 0.4);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  text-align: center;
  margin: 40px 0 20px 0;
}

.article-inline-cta h4 {
  font-size: 22px;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 10px;
}

.article-inline-cta p {
  font-size: 14.5px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

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

.sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(10px);
}

.sidebar-title {
  font-size: 17px;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 10px;
}

.sidebar-article-item {
  margin-bottom: 16px;
}

.sidebar-article-item:last-child {
  margin-bottom: 0;
}

.sidebar-article-link {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
  display: block;
}

.sidebar-article-link:hover {
  color: var(--primary-cyan);
}

.sidebar-article-meta {
  font-size: 11.5px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* 文章聚合索引页样式 */
.hub-header {
  text-align: center;
  padding: 40px 0 30px 0;
}

.hub-title {
  font-size: 38px;
  font-weight: 900;
  color: #FFFFFF;
  margin-bottom: 14px;
}

.hub-desc {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
}

@media (max-width: 992px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    position: static;
  }
}

@media (max-width: 640px) {
  .article-content {
    padding: 24px 18px;
  }
  .article-body {
    font-size: 15px;
  }
}