/* ==========================================================================
   SeeleCloud 希儿云 - 技术专栏与文章阅读样式表 (article.css)
   极简原生 CSS，确保 100/100 页面秒开与沉浸式阅读体验
   ========================================================================== */

.article-page-wrap {
  padding-top: 130px;
  padding-bottom: 90px;
  position: relative;
  z-index: 1;
}

/* 面包屑导航 */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--text-muted);
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.breadcrumbs a {
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

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

.breadcrumbs .sep {
  color: var(--text-dim);
}

.breadcrumbs .current {
  color: var(--primary-sky);
  font-weight: 500;
}

/* 主布局：文章正文 + 侧边栏 */
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 40px;
  align-items: flex-start;
}

.article-main-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 44px 40px;
  backdrop-filter: blur(14px);
}

/* 文章头部元数据 */
.article-post-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  padding-bottom: 28px;
  margin-bottom: 35px;
}

.article-category-badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  background: rgba(0, 242, 254, 0.12);
  border: 1px solid rgba(0, 242, 254, 0.3);
  color: var(--primary-cyan);
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 16px;
}

.article-post-title {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--text-main);
  letter-spacing: -0.5px;
  margin-bottom: 20px;
}

.article-meta-info {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 13px;
  color: var(--text-muted);
  flex-wrap: wrap;
}

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

/* 目录引导盒 (TOC) */
.article-toc-box {
  background: rgba(11, 17, 32, 0.8);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-left: 4px solid var(--primary-cyan);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  margin-bottom: 38px;
}

.toc-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--primary-cyan);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toc-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toc-list a {
  font-size: 13.5px;
  color: var(--text-sub);
  transition: color var(--transition-fast);
}

.toc-list a:hover {
  color: var(--primary-sky);
  text-decoration: underline;
}

/* 文章排印规范 (Typography) */
.article-body {
  font-size: 16px;
  line-height: 1.85;
  color: #e2e8f0;
}

.article-body h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-main);
  margin-top: 42px;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
}

.article-body h2::before {
  content: '#';
  color: var(--primary-cyan);
  margin-right: 8px;
  font-weight: 900;
}

.article-body h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--primary-sky);
  margin-top: 30px;
  margin-bottom: 14px;
}

.article-body p {
  margin-bottom: 20px;
  color: #cbd5e1;
}

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

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

.article-body ul li {
  list-style-type: disc;
  margin-bottom: 8px;
}

.article-body ol li {
  list-style-type: decimal;
  margin-bottom: 8px;
}

.article-body blockquote {
  background: rgba(15, 23, 42, 0.9);
  border-left: 4px solid var(--primary-purple);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 18px 22px;
  margin: 26px 0;
  font-size: 15px;
  color: #cbd5e1;
}

.article-callout {
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin: 26px 0;
  font-size: 14.5px;
  line-height: 1.7;
}

.callout-tip {
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-left: 4px solid var(--primary-cyan);
  color: #e0f2fe;
}

.callout-warn {
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-left: 4px solid #f59e0b;
  color: #fef3c7;
}

.article-table-wrap {
  overflow-x: auto;
  margin: 26px 0;
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  text-align: left;
}

.article-table th {
  background: rgba(30, 41, 59, 0.8);
  color: var(--primary-cyan);
  padding: 12px 16px;
  border-bottom: 2px solid rgba(56, 189, 248, 0.3);
  font-weight: 700;
}

.article-table td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-sub);
}

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

/* 正文底部行动召唤卡片 */
.article-cta-box {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(30, 27, 75, 0.7) 100%);
  border: 1px solid rgba(0, 242, 254, 0.35);
  border-radius: var(--radius-md);
  padding: 30px;
  text-align: center;
  margin: 45px 0 30px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

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

.article-cta-box p {
  font-size: 14.5px;
  color: var(--text-sub);
  margin-bottom: 22px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* 标签与版权说明 */
.article-tags-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 24px 0 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.tag-badge {
  font-size: 12px;
  color: var(--primary-sky);
  background: rgba(56, 189, 248, 0.1);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(56, 189, 248, 0.2);
}

/* 文章内部互相跳转区 (Internal Linking) */
.article-rel-jump {
  margin-top: 40px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.rel-jump-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.rel-jump-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.rel-jump-card {
  background: rgba(11, 17, 32, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  transition: all var(--transition-fast);
}

.rel-jump-card:hover {
  border-color: var(--primary-cyan);
  background: rgba(15, 23, 42, 0.85);
  transform: translateY(-2px);
}

.rel-jump-card-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.4;
  margin-bottom: 6px;
}

.rel-jump-card-desc {
  font-size: 12px;
  color: var(--text-muted);
}

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

.sidebar-widget {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 26px 22px;
  backdrop-filter: blur(14px);
}

.sidebar-widget-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-widget-title::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--primary-cyan);
}

.sidebar-hot-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.hot-post-item a {
  font-size: 13.5px;
  color: var(--text-sub);
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--transition-fast);
}

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

.hot-post-date {
  font-size: 11.5px;
  color: var(--text-dim);
  margin-top: 4px;
}

/* 侧边栏固定转化卡片 */
.sidebar-cta-widget {
  background: linear-gradient(180deg, rgba(30, 41, 59, 0.8) 0%, rgba(15, 23, 42, 0.95) 100%);
  border: 1px solid rgba(0, 242, 254, 0.4);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  text-align: center;
}

.sidebar-cta-badge {
  display: inline-block;
  background: var(--grad-primary);
  color: #040812;
  font-size: 11px;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.sidebar-cta-title {
  font-size: 18px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 8px;
}

.sidebar-cta-price {
  font-size: 26px;
  font-weight: 900;
  color: var(--primary-cyan);
  margin-bottom: 12px;
  font-family: ui-monospace, SFMono-Regular, monospace;
}

.sidebar-cta-features {
  text-align: left;
  font-size: 12px;
  color: var(--text-sub);
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}

.sidebar-cta-features li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.sidebar-cta-features li span {
  color: #10b981;
  font-weight: 800;
}

/* 响应式调整 */
@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    position: static;
    margin-top: 40px;
  }
}

@media (max-width: 640px) {
  .article-main-content {
    padding: 26px 18px;
  }
  .article-post-title {
    font-size: 24px;
  }
  .rel-jump-grid {
    grid-template-columns: 1fr;
  }
}