/* ==========================================================================
   奈云 NaiYun (naiyunjc.buzz) - 文章深度阅读排版样式 (Article Reading Layout)
   设计规范：极简控制台阅读器，宽度约 760px，高对比度舒适行距，完全消除横向溢出
   ========================================================================== */

/* 阅读器主容器 */
.article-page-wrap {
  background-color: var(--color-bg-light);
  padding: 48px 0 96px;
}

.article-container {
  width: 100%;
  max-width: var(--article-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* 面包屑与顶部导航 */
.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--color-text-dim);
  margin-bottom: 24px;
}

.article-breadcrumb a {
  color: var(--color-text-main);
  text-decoration: none;
}

.article-breadcrumb a:hover {
  color: var(--color-brand-blue);
}

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

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

.article-category-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-brand-blue);
  background-color: var(--color-brand-light-blue);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
}

.article-main-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-heading);
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.article-lead-text {
  font-size: 1.125rem;
  line-height: 1.75;
  color: var(--color-text-main);
  background-color: var(--color-bg-subtle);
  border-left: 4px solid var(--color-brand-blue);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 20px;
}

.article-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
  color: var(--color-text-dim);
  flex-wrap: wrap;
  gap: 12px;
}

.article-meta-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

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

/* 锚点导航目录 (Table of Contents) */
.article-toc-box {
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 40px;
}

.article-toc-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.article-toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.9375rem;
}

.article-toc-list li {
  position: relative;
  padding-left: 20px;
}

.article-toc-list li::before {
  content: "›";
  position: absolute;
  left: 6px;
  color: var(--color-brand-blue);
  font-weight: bold;
}

.article-toc-list a {
  color: var(--color-text-main);
  text-decoration: none;
}

.article-toc-list a:hover {
  color: var(--color-brand-blue);
  text-decoration: underline;
}

/* 文章正文正规化 排版 (Prose typography) */
.article-body {
  font-size: 1.0625rem;
  line-height: 1.85;
  color: #334155;
  word-wrap: break-word;
}

.article-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-heading);
  margin-top: 48px;
  margin-bottom: 18px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
  letter-spacing: -0.01em;
}

.article-body h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-heading);
  margin-top: 32px;
  margin-bottom: 14px;
}

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

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

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

.article-body strong {
  color: var(--color-heading);
}

.article-body a {
  color: var(--color-brand-blue);
  text-decoration: underline;
}

.article-body a:hover {
  color: var(--color-brand-blue-hover);
}

/* 强调说明卡片与提示框 */
.callout-box {
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin: 28px 0;
}

.callout-box.info {
  background-color: #EFF6FF;
  border-left: 4px solid var(--color-brand-blue);
  border-color: #BFDBFE;
}

.callout-box.warning {
  background-color: #FFFBEB;
  border-left: 4px solid #F59E0B;
  border-color: #FDE68A;
}

.callout-title {
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: 8px;
  font-size: 1rem;
}

/* 可复制检查清单与对照表格组件 */
.interactive-checklist-box {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 32px 0;
  box-shadow: 0 2px 8px rgba(11, 24, 43, 0.03);
}

.checklist-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  flex-wrap: wrap;
  gap: 10px;
}

.checklist-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-heading);
}

.btn-copy-checklist {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-brand-blue);
  background-color: var(--color-brand-light-blue);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.btn-copy-checklist:hover {
  background-color: var(--color-brand-blue);
  color: #FFFFFF;
}

.checklist-content {
  font-size: 0.9375rem;
  line-height: 1.7;
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
}

.checklist-item input[type="checkbox"] {
  margin-top: 5px;
  accent-color: var(--color-brand-blue);
  width: 16px;
  height: 16px;
}

/* 文章内置对照数据表 */
.article-table-wrap {
  width: 100%;
  overflow-x: auto;
  margin: 28px 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.article-data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.article-data-table th {
  background-color: var(--color-bg-subtle);
  color: var(--color-heading);
  font-weight: 700;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
}

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

.article-data-table tr:last-child td {
  border-bottom: none;
}

/* 结论与相关推荐卡片 */
.article-conclusion {
  background-color: var(--color-bg-subtle);
  border-top: 2px solid var(--color-brand-blue);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  padding: 28px 24px;
  margin-top: 48px;
}

.article-conclusion h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: 12px;
}

.related-articles-section {
  margin-top: 56px;
  border-top: 1px solid var(--color-border);
  padding-top: 36px;
}

.related-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: 20px;
}

.related-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.related-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  background-color: #FFFFFF;
  transition: all 0.2s ease;
}

.related-card:hover {
  border-color: var(--color-brand-blue);
  box-shadow: 0 4px 12px rgba(11, 24, 43, 0.04);
}

.related-card-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-heading);
  line-height: 1.45;
  margin-bottom: 6px;
}

.related-card-desc {
  font-size: 0.8125rem;
  color: var(--color-text-main);
  line-height: 1.5;
}

/* 响应式适配 */
@media (max-width: 768px) {
  .article-page-wrap {
    padding: 24px 0 64px;
  }

  .article-main-title {
    font-size: 1.75rem;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}