/* 
======================
Typora 主题风格变量
======================
*/
:root {
  /* 现代化配色系统 - 极简风格 */
  --color-white: #ffffff;
  --color-black: #0f0f0f;

  /* 主色调 - 现代化的深色系 */
  --color-primary: #18181b;
  --color-on-primary: #ffffff;
  --color-primary-container: #f4f4f5;
  --color-on-primary-container: #18181b;

  /* 辅助色 - 极简灰色系 */
  --color-secondary: #71717a;
  --color-on-secondary: #ffffff;
  --color-secondary-container: #fafafa;
  --color-on-secondary-container: #27272a;

  /* 强调色 - 现代化蓝色 */
  --color-tertiary: #2563eb;
  --color-on-tertiary: #ffffff;
  --color-tertiary-container: #eff6ff;
  --color-on-tertiary-container: #1e40af;

  /* 错误色 */
  --color-error: #dc2626;
  --color-on-error: #ffffff;
  --color-error-container: #fef2f2;
  --color-on-error-container: #991b1b;

  /* 主题核心变量 - 极简背景 */
  --bg-color: #ffffff;
  --text-color: #27272a;
  --title-color: #0f0f0f;
  --link-color: #2563eb;
  --select-text-bg-color: #eff6ff;

  /* 字体 */
  --font-family-base: "思源黑体 CN", system-ui, -apple-system, Segoe UI, Roboto,
    Ubuntu, Cantarell, Noto Sans, sans-serif, BlinkMacSystemFont, "Segoe UI",
    Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji",
    "Segoe UI Symbol";
  --font-family-monospace: "Fira Code", SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;

  /* 现代化间距系统 - 更大的间距 */
  --spacing-xs: 6px;
  --spacing-sm: 12px;
  --spacing-md: 20px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  --spacing-2xl: 64px;

  /* 现代化圆角系统 - 更小的圆角 */
  --radius-sm: 2px;
  --radius: 4px;
  --radius-lg: 6px;
  --radius-xl: 8px;
  --hover-radius: 6px;

  /* 优化的高亮和引用颜色 */
  --mark-bg-color: var(--color-tertiary-container);
  --mark-text-color: var(--color-on-tertiary-container);
  --blockquote-font-color: var(--color-on-secondary-container);
  --blockquote-bg-color: var(--color-secondary-container);

  /* 统一的表格颜色 */
  --table-first-bg-color: var(--color-secondary-container);
  --table-border-color: #e5e7eb;

  /* 优化的行内代码颜色 */
  --inline-code-color: var(--color-tertiary);
}

/* 全局样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family-base);
  line-height: 1.6;
  color: var(--text-color);
  background: var(--bg-color);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* 现代化头部区域 - 极简设计 */
.site-header {
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid rgba(229, 231, 235, 0.6);
  padding: var(--spacing-xs) 0;
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 50px; /* 进一步减小header高度 */
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header-content {
  max-width: none;
  margin: 0;
  padding: 0 var(--spacing-2xl);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between; /* 左右分布 */
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex: 1; /* 占据剩余空间 */
}

.site-logo {
  width: 36px; /* 进一步减小logo尺寸 */
  height: 36px; /* 进一步减小logo尺寸 */
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(124, 58, 237, 0.1);
}

.site-logo:hover {
  border-radius: var(--hover-radius);
}

.logo-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.site-info {
  display: flex;
  align-items: center; /* 水平排列 */
  gap: var(--spacing-lg); /* 元素间距 */
  flex: 1;
}

.site-title {
  color: var(--title-color);
  font-size: 1.1rem; /* 减小字体 */
  font-weight: 700;
  margin: 0;
  line-height: 1;
  white-space: nowrap; /* 防止换行 */
}

.site-description {
  color: var(--color-secondary);
  font-size: 0.8rem; /* 减小字体 */
  margin: 0;
  white-space: nowrap; /* 防止换行 */
  font-style: italic;
}

/* Header中的站点统计样式 - 现代化设计 */
.site-stats {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.75rem;
  color: var(--color-secondary);
  white-space: nowrap;
  flex-shrink: 0;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-secondary-container);
  border-radius: var(--radius-xl);
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.site-stats:hover {
  background: var(--color-primary);
  color: var(--color-on-primary);
  border-color: var(--color-primary);
}

.site-stats i {
  font-size: 0.7rem;
  color: inherit;
}

.site-stat-number {
  font-weight: 600;
  color: inherit;
}

/* 主体内容区域 - 适配更薄的header */
.main-container {
  display: flex;
  flex: 1;
  min-height: 0;
  max-width: 100%;
  margin-top: 50px; /* 适配新的header高度 */
  height: calc(100vh - 50px); /* 减去新的header高度 */
}

/* 右侧内容包装区域 - 适配固定布局 */
.content-wrapper {
  flex: 1;
  display: flex;
  overflow: hidden;
  flex-direction: row;
  max-width: 100%;
  margin-left: 260px; /* 适配新的sidebar宽度 */
  height: 100%;
}

/* 左侧导航栏 - 现代化固定布局 */
.sidebar {
  width: 260px; /* 减小宽度，更紧凑 */
  background: var(--color-white);
  border-right: 1px solid #e5e7eb;
  flex-shrink: 0;
  position: fixed;
  top: 50px; /* 适配新的header高度 */
  left: 0;
  height: calc(100vh - 50px); /* 适配新的header高度 */
  overflow-y: auto;
  z-index: 50;
}

.sidebar-nav {
  padding: 20px 15px;
}

/* 首页导航样式 */
.sidebar-home {
  margin-bottom: 15px;
  border-bottom: 1px solid var(--color-primary-container);
  padding-bottom: 15px;
}

.sidebar-home-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 15px;
  color: var(--text-color);
  cursor: pointer;
  border-radius: var(--radius);
  transition: all 0.3s ease;
  font-weight: 500;
}

.sidebar-home-link:hover {
  background: var(--color-primary-container);
  color: var(--color-on-primary-container);
  border-radius: var(--hover-radius);
}

.sidebar-home-icon {
  font-size: 16px;
  width: 16px;
  text-align: center;
}

.sidebar-home-name {
  font-size: 15px;
}

/* 侧边栏分类样式 - 现代极简设计 */

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

.sidebar-category {
  margin-bottom: var(--spacing-xs);
  border-radius: 0;
  overflow: hidden;
  background: transparent;
  border: none;
  transition: all 0.3s ease;
}

.sidebar-category:hover {
  background: transparent;
}

.sidebar-category-header {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  cursor: pointer;
  transition: all 0.2s ease;
  border-radius: 0;
  color: var(--text-color);
  font-size: 0.9rem;
  position: relative;
  font-weight: 600;
  background: transparent;
}

.sidebar-category-header:hover {
  background: rgba(37, 99, 235, 0.05);
  color: var(--color-primary);
}

.sidebar-category-header.expanded {
  color: var(--color-primary);
  font-weight: 500;
}

.sidebar-category-icon {
  margin-right: 8px;
  font-size: 0.85rem;
  color: var(--color-secondary);
}

.sidebar-category-name {
  flex: 1;
  font-size: 0.9rem;
  line-height: 1.4;
}

.sidebar-category-arrow {
  font-size: 0.7rem;
  color: var(--color-tertiary);
  transition: transform 0.3s ease;
  margin-left: 8px;
}

.sidebar-category-header.expanded .sidebar-category-arrow {
  transform: rotate(90deg);
}

.sidebar-articles {
  list-style: none;
  margin: 0;
  padding: var(--spacing-xs) 0;
  display: none;
  opacity: 0;
  transform: translateY(-5px);
  transition: opacity 0.2s ease-out, transform 0.2s ease-out;
  background: transparent;
  border-radius: 0;
}

.sidebar-articles.expanded {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.sidebar-article {
  margin: var(--spacing-xs) 0;
}

.sidebar-article a {
  display: flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-md);
  color: var(--color-secondary);
  text-decoration: none;
  font-size: 0.8rem;
  border-radius: var(--radius);
  transition: all 0.2s ease;
  line-height: 1.3;
  position: relative;
  margin: 0 var(--spacing-sm);
  background: transparent;
  border: 1px solid transparent;
}

.sidebar-article a:before {
  content: "📄";
  font-size: 0.7rem;
  margin-right: var(--spacing-xs);
  opacity: 0.6;
  transition: all 0.2s ease;
}

.sidebar-article a:hover {
  background: rgba(37, 99, 235, 0.08);
  color: var(--color-primary);
  border-color: rgba(37, 99, 235, 0.2);
  transform: translateX(2px);
}

.sidebar-article a:hover:before {
  opacity: 1;
  transform: scale(1.1);
}

/* 当前活跃文章的样式 */
.sidebar-article a.active {
  background: rgba(37, 99, 235, 0.15);
  color: var(--color-primary);
  border-color: rgba(37, 99, 235, 0.3);
  font-weight: 600;
  transform: translateX(4px);
}

.sidebar-article a.active:before {
  opacity: 1;
  transform: scale(1.2);
  content: "📖"; /* 使用不同的图标表示当前阅读 */
}

/* 文件夹层级样式 */
.sidebar-folder {
  margin: 0;
}

.sidebar-folder-header {
  display: flex;
  align-items: center;
  padding: 6px 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  border-radius: var(--radius);
  color: var(--color-secondary);
  font-size: 0.85rem;
  position: relative;
}

.sidebar-folder-header:hover {
  background: var(--color-secondary-container);
  color: var(--color-on-secondary-container);
  border-radius: var(--hover-radius);
}

.sidebar-folder-header.expanded {
  color: var(--color-secondary);
  font-weight: 500;
}

.sidebar-folder-icon {
  margin-right: 8px;
  font-size: 0.8rem;
  color: var(--color-tertiary);
}

.sidebar-folder-name {
  flex: 1;
  font-size: 0.85rem;
  line-height: 1.4;
}

.sidebar-folder-arrow {
  font-size: 0.6rem;
  color: var(--color-tertiary);
  transition: transform 0.3s ease;
  margin-left: 8px;
}

.sidebar-folder-header.expanded .sidebar-folder-arrow {
  transform: rotate(90deg);
}

.sidebar-folder-contents {
  list-style: none;
  margin: 0;
  padding: 0;
  display: none;
  opacity: 0;
  transform: translateY(-5px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.sidebar-folder-contents.expanded {
  display: block;
  opacity: 1;
  transform: translateY(0);
  padding-top: 4px;
  padding-bottom: 4px;
}

/* 文件夹内文件的样式 */
.sidebar-folder .sidebar-article a {
  padding-left: 44px; /* 更深的缩进表示在文件夹内 */
  font-size: 0.8rem;
}

.sidebar-folder .sidebar-article a:before {
  left: 32px;
  width: 3px;
  height: 3px;
}

.sidebar-folder .sidebar-article a:hover {
  padding-left: 48px;
}

/* 确保文件夹和文件在同一列 */
.sidebar-folder {
  margin-left: 0 !important;
}

.sidebar-folder-header {
  margin-left: 0;
}

/* 文件图标样式 */
.sidebar-file-icon {
  margin-right: 6px;
  font-size: 0.75rem;
  color: var(--color-tertiary);
}

/* 文章列表 */
.article-list {
  list-style: none;
  margin-top: 8px;
  display: none;
  background: #fff;
  border-radius: 6px;
  border: 1px solid #e9ecef;
}

.article-list.expanded {
  display: block;
}

.article-item {
  border-bottom: 1px solid #f8f9fa;
}

.article-item:last-child {
  border-bottom: none;
}

.article-link {
  display: block;
  padding: 10px 15px;
  color: #495057;
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.2s ease;
  line-height: 1.4;
}

.article-link:hover {
  background: #f8f9fa;
  color: #000;
  padding-left: 20px;
}

/* 分类网格样式 - 现代极简设计 */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.category-card {
  background: transparent;
  border: 1px solid rgba(229, 231, 235, 0.6);
  padding: var(--spacing-xl);
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--color-primary),
    var(--color-tertiary)
  );
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.category-card:hover {
  border-color: rgba(37, 99, 235, 0.3);
  background: rgba(248, 250, 252, 0.5);
  transform: translateY(-2px);
}

.category-card:hover::before {
  transform: scaleX(1);
}

.category-icon {
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: rgba(37, 99, 235, 0.1);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
}

.category-card:hover .category-icon {
  background: rgba(37, 99, 235, 0.15);
  transform: scale(1.05);
}

.category-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--title-color);
  margin-bottom: var(--spacing-sm);
  line-height: 1.3;
}

.category-description {
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
  font-size: 0.9rem;
  opacity: 0.8;
}

.category-count {
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.85rem;
  background: rgba(37, 99, 235, 0.1);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-xl);
  display: inline-block;
  transition: all 0.3s ease;
}

.category-card:hover .category-count {
  background: rgba(37, 99, 235, 0.15);
  transform: scale(1.05);
}

/* 文章网格样式 */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 25px;
}

.article-card {
  background: var(--color-white);
  border: 1px solid #e5e7eb;
  padding: var(--spacing-xl);
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
  border-radius: var(--radius);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.article-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transform: translateY(-1px);
}

.article-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--title-color);
  margin-bottom: 10px;
  line-height: 1.4;
}

.article-preview {
  color: var(--color-secondary);
  margin-bottom: 15px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  line-clamp: 3;
  overflow: hidden;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 15px;
  font-size: 0.9rem;
  color: var(--color-tertiary);
}

.category-tag {
  background: var(--color-primary);
  color: var(--color-on-primary);
  padding: 4px 12px;
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: var(--radius);
  transition: border-radius 0.3s ease;
}

.category-tag:hover {
  border-radius: var(--hover-radius);
}

.update-time {
  color: var(--color-tertiary);
}

/* 文章页面布局 */
.content-layout {
  display: flex;
  width: 100%;
  gap: 30px;
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative; /* 添加相对定位 */
  flex-wrap: nowrap; /* 确保不会换行 */
}

.article-container {
  flex: 1;
  min-width: 0;
  max-width: 100%;
  margin-right: 0;
  height: 100%;
  overflow-y: auto;
  padding: 0; /* 移除内边距，让内容更贴近边缘 */
  display: flex;
  justify-content: center; /* 居中内容 */
}

/* 当TOC显示时，为文章内容预留空间 */
@media (min-width: 1200px) {
  .article-container {
    max-width: calc(100% - 300px);
    margin-right: 300px;
  }
}

/* 文章内容样式 - 极简一体化设计 */
.article-content {
  background: transparent;
  padding: var(--spacing-md) var(--spacing-lg); /* 恢复适当的内边距 */
  border: none;
  border-radius: 0;
  width: 100%;
  max-width: none; /* 移除最大宽度限制，让内容自然流动 */
  min-height: calc(100vh - 120px);
  overflow-x: hidden;
  word-wrap: break-word;
  margin: 0;
  box-shadow: none;
  line-height: 1.7;
}

.article-header {
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--color-primary-container);
}

.article-meta {
  display: flex;
  gap: 20px;
  margin-bottom: 15px;
  font-size: 14px;
  color: var(--color-secondary);
}

.article-category,
.article-date {
  display: flex;
  align-items: center;
  gap: 6px;
}

.article-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--title-color);
  line-height: 1.3;
}

.article-body {
  padding: var(--spacing-xl) 0;
  font-size: 1rem; /* 增大字体，减少眼部疲劳 */
  line-height: 1.8; /* 增加行高，提高可读性 */
  color: var(--text-color);
  font-weight: 400; /* 确保字重适中 */
}

.article-body p {
  margin-bottom: 1em;
  font-size: 0.95rem; /* 确保段落文字大小一致 */
}

.article-body strong,
.article-body b {
  font-weight: 700; /* 增加加粗文本的字重 */
}

.article-body h1 {
  font-size: 2rem;
  margin: 1.5em 0 0.8em;
  font-weight: 700; /* 增加一级标题的字重 */
}

.article-body h2 {
  font-size: 1.6rem;
  margin: 1.4em 0 0.6em;
  font-weight: 700; /* 增加二级标题的字重 */
}

.article-body h3 {
  font-size: 1.3rem;
  margin: 1.3em 0 0.5em;
  font-weight: 600; /* 增加三级标题的字重 */
}

.article-body h4 {
  font-size: 1.1rem;
  margin: 1.2em 0 0.4em;
  font-weight: 600; /* 增加四级标题的字重 */
}

.article-body h1,
.article-body h2,
.article-body h3,
.article-body h4,
.article-body h5,
.article-body h6 {
  margin: var(--spacing-2xl) 0 var(--spacing-md) 0;
  font-weight: 600;
  line-height: 1.3;
  color: var(--title-color);
  scroll-margin-top: 80px; /* 为固定header预留滚动空间 */
}

.article-body h1 {
  font-size: 24px;
  border-bottom: 2px solid var(--color-primary-container);
  padding-bottom: 8px;
  margin-top: 25px;
}

.article-body h2 {
  font-size: 20px;
  margin-top: 20px;
  color: var(--color-primary);
}

.article-body h3 {
  font-size: 18px;
  margin-top: 15px;
  color: var(--color-primary);
}

.article-body h4 {
  font-size: 18px;
}

.article-body ul,
.article-body ol {
  margin: 16px 0;
  padding-left: 24px;
}

.article-body li {
  margin: 8px 0;
}

.article-body blockquote {
  margin: 20px 0;
  padding: 15px 20px;
  background: var(--blockquote-bg-color);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  box-shadow: 0 2px 8px rgba(103, 80, 164, 0.08);
}

.article-body blockquote p {
  margin: 0;
  color: var(--blockquote-font-color);
  font-style: italic;
}

.article-body code {
  background: var(--color-primary-container);
  padding: 2px 6px;
  border-radius: var(--radius);
  font-family: var(--font-family-monospace);
  font-size: 0.9em;
  color: var(--inline-code-color);
}

.article-body a {
  color: var(--link-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.article-body mark {
  background: var(--mark-bg-color);
  color: var(--mark-text-color);
  padding: 2px 4px;
  border-radius: var(--radius);
}

/* 代码块样式 - 自适应缩放 */
.article-body pre {
  background-color: #282c34 !important;
  border-radius: 8px;
  margin: 20px 0;
  position: relative;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  border: 1px solid #3e4451;
  padding: 0;
  width: 100%;
  max-width: 100%;
  overflow: hidden; /* 移除水平滚动 */
}

.article-body pre code {
  display: block;
  padding: 20px;
  color: #e2e8f0 !important;
  background: transparent !important;
  font-family: "JetBrains Mono", "Fira Code", "Cascadia Code", "SF Mono",
    Consolas, monospace;
  font-size: clamp(11px, 1.8vw, 14px); /* 响应式字体大小 */
  line-height: 1.6;
  border-radius: 0;
  white-space: pre-wrap; /* 允许代码换行 */
  word-break: break-all; /* 长代码行自动换行 */
  overflow-wrap: break-word;
  width: 100%;
  box-sizing: border-box;
}

.article-body pre::before {
  content: attr(data-language);
  position: absolute;
  top: 0;
  right: 0;
  padding: 2px 8px;
  font-size: 12px;
  color: #666;
  background: rgba(0, 0, 0, 0.05);
  border-radius: 0 6px 0 6px;
}

/* 表格容器 - 自适应缩放 */
.article-body .table-wrapper {
  margin: 20px 0;
  border-radius: var(--radius);
  border: 1px solid var(--color-primary-container);
  box-shadow: 0 2px 8px rgba(103, 80, 164, 0.1);
  overflow: hidden;
  background: var(--color-white);
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 0;
  background: var(--color-white);
  table-layout: auto; /* 允许表格自动调整列宽 */
  font-size: clamp(12px, 2vw, 14px); /* 响应式字体大小 */
}

.article-body th,
.article-body td {
  padding: clamp(8px, 1.5vw, 16px) clamp(6px, 1.2vw, 12px); /* 响应式内边距 */
  text-align: left;
  border-bottom: 1px solid var(--table-border-color);
  border-right: 1px solid var(--table-border-color);
  white-space: normal; /* 允许内容换行以适应小屏幕 */
  vertical-align: top;
  word-break: break-word; /* 长单词自动换行 */
  hyphens: auto; /* 自动断字 */
  overflow-wrap: break-word;
  line-height: 1.4;
}

.article-body th:last-child,
.article-body td:last-child {
  border-right: none;
}

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

.article-body th {
  background: var(--table-first-bg-color);
  font-weight: 600;
  color: var(--title-color);
  position: sticky;
  top: 0;
  z-index: 1;
}

.article-body a {
  color: #000;
  text-decoration: underline;
  transition: opacity 0.2s ease;
}

.article-body a:hover {
  opacity: 0.7;
}

.article-body img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 20px auto;
  border-radius: 4px;
  border: 1px solid #eee;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.article-body figure {
  margin: 20px 0;
  text-align: center;
}

.article-body figure img {
  margin: 0 auto 10px;
}

.article-body figcaption {
  font-size: 0.9em;
  color: #666;
  font-style: italic;
  text-align: center;
}

.article-footer {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid #eee;
}

.article-actions {
  display: flex;
  gap: 15px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border: 1px solid #000;
  background: transparent;
  color: #000;
  text-decoration: none;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn:hover {
  background: #000;
  color: #fff;
}

.btn-primary {
  background: #000;
  color: #fff;
}

.btn-primary:hover {
  background: #333;
}

.btn-secondary {
  border-color: #666;
  color: #666;
}

.btn-secondary:hover {
  background: #666;
  color: #fff;
}

/* 底部样式优化 */
.site-footer {
  background: #fff;
  color: #666;
  text-align: center;
  padding: 20px 40px;
  border-top: 1px solid #eee;
}

/* 容器样式 */
.container {
  padding: 0 20px;
  max-width: 1600px;
  margin: 0 auto;
}

/* 动态内容区域优化 */
#dynamicContent {
  min-height: calc(100vh - 180px);
}

/* 选择文本美化 */
::selection {
  background: var(--select-text-bg-color);
  color: var(--text-color);
}

::-moz-selection {
  background: var(--select-text-bg-color);
  color: var(--text-color);
}

/* 滚动条美化 */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: #ccc;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #999;
}

/* ================== 右侧目录（TOC）样式 ================== */
.toc-container {
  width: 200px;
  position: fixed;
  top: 50px; /* 适配新的header高度 */
  right: 0;
  height: calc(100vh - 50px); /* 适配新的header高度 */
  overflow-y: auto;
  flex-shrink: 0;
  z-index: 50;
  display: none;
  padding: var(--spacing-sm);
  background: rgba(250, 250, 250, 0.8);
  border-left: none;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.toc-wrapper {
  height: 100%;
  width: 100%;
}

.toc-header {
  padding-bottom: 10px;
  margin-bottom: 10px;
  border-bottom: 1px solid var(--color-primary-container);
}

.toc-header h3 {
  font-size: 1rem;
  color: var(--title-color);
  font-weight: 600;
  margin: 0;
}

.toc-nav {
  height: calc(100% - 40px);
  overflow-y: auto;
}

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

.toc-item {
  margin: 0;
}

.toc-link {
  display: block;
  padding: var(--spacing-xs) var(--spacing-sm);
  color: var(--color-secondary);
  text-decoration: none;
  font-size: 0.8rem; /* 更小的字体，降低视觉权重 */
  line-height: 1.3;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  position: relative;
  opacity: 0.8; /* 降低不透明度，减少干扰 */
}

.toc-link:hover {
  background: var(--color-primary-container);
  color: var(--color-on-primary-container);
  border-radius: var(--hover-radius);
}

.toc-link.active {
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-weight: 500;
  border-radius: var(--hover-radius);
}

/* 多级标题缩进 */
.toc-link[data-level="1"] {
  padding-left: 8px;
  font-weight: 600;
}

.toc-link[data-level="2"] {
  padding-left: 16px;
}

.toc-link[data-level="3"] {
  padding-left: 24px;
}

.toc-link[data-level="4"] {
  padding-left: 32px;
}

.toc-link[data-level="5"] {
  padding-left: 40px;
}

.toc-link[data-level="6"] {
  padding-left: 48px;
}

/* TOC 空状态 */
.toc-empty {
  text-align: center;
  color: #999;
  font-size: 0.85rem;
  padding: 20px;
  font-style: italic;
}

/* TOC 滚动指示器 */
.toc-progress {
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  transition: all 0.3s ease;
}

/* 页面加载动画 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* TOC 在大屏幕上显示 - 真正一体化智能布局 */
@media (min-width: 1400px) {
  .toc-container.show {
    display: block !important;
  }

  /* 完全重新设计布局 - 消除间距，真正一体化 */
  .content-wrapper {
    margin-left: 240px; /* 减少sidebar占用空间 */
  }

  .sidebar {
    width: 240px; /* 减小sidebar宽度 */
  }

  /* 文章容器占用所有可用空间，为TOC预留适当空间 */
  .article-container {
    margin-right: 0;
    padding-right: 260px; /* 为新的TOC宽度预留空间 */
    display: flex;
    justify-content: flex-start;
  }

  /* 文章内容紧贴左侧，充分利用空间 */
  .article-content {
    max-width: calc(
      100vw - 240px - 260px
    ); /* 重新计算最大宽度，适配新的TOC宽度 */
    margin: 0;
    padding: var(--spacing-sm) var(--spacing-lg);
    width: 100%;
  }

  /* TOC适中宽度，保持直观性 */
  .toc-container {
    width: 240px; /* 增加宽度，更实用 */
    padding: var(--spacing-sm) var(--spacing-md); /* 增加内边距 */
    background: rgba(248, 250, 252, 0.6); /* 稍微提高背景透明度 */
    right: 0;
    top: 50px;
  }

  /* TOC标题极简化 */
  .toc-header {
    padding-bottom: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
    border-bottom: 1px solid rgba(229, 231, 235, 0.3);
  }

  .toc-header h3 {
    font-size: 0.75rem;
    opacity: 0.7;
    font-weight: 500;
  }

  /* TOC链接更直观，与文章内容协调 */
  .toc-link {
    font-size: 0.85rem; /* 增大字体，更直观 */
    padding: var(--spacing-xs) var(--spacing-sm); /* 增加内边距 */
    opacity: 0.85; /* 提高不透明度 */
    line-height: 1.4; /* 增加行高 */
  }

  .toc-link:hover {
    opacity: 1;
    background: rgba(37, 99, 235, 0.08); /* 添加悬停背景 */
    color: var(--color-primary);
  }

  .toc-link.active {
    opacity: 1;
    font-weight: 600; /* 增加字重 */
    color: var(--color-primary);
    background: rgba(37, 99, 235, 0.12);
  }
}

/* 中等屏幕上隐藏TOC，避免布局冲突 */
@media (min-width: 1200px) and (max-width: 1399px) {
  .toc-container {
    display: none !important;
  }

  .article-container {
    max-width: 100%;
    margin-right: 0;
  }
}

/* ================== 归档页面样式 ================== */
.archive-container {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-lg);
}

.archive-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 2px solid var(--color-primary-container);
}

.archive-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--title-color);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
}

.archive-title i {
  color: var(--color-primary);
}

.archive-description {
  font-size: 1.1rem;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-lg);
}

.archive-stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
  font-size: 0.95rem;
  color: var(--color-secondary);
}

.stat-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-secondary-container);
  border-radius: var(--radius-xl);
  transition: all 0.3s ease;
}

.stat-item:hover {
  background: var(--color-primary);
  color: var(--color-on-primary);
  transform: translateY(-2px);
}

.stat-item i {
  font-size: 0.9rem;
}

/* 年份分组样式 */
.archive-year-section {
  margin-bottom: var(--spacing-2xl);
}

.archive-year-header {
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.archive-year-title {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--title-color);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-primary-container);
}

.archive-year-title i {
  color: var(--color-primary);
  font-size: 1.5rem;
}

.year-count {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-secondary);
  background: var(--color-secondary-container);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-xl);
  margin-left: auto;
}

/* 文章列表样式 */
.archive-articles {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.archive-article-item {
  display: flex;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: transparent;
  border: 1px solid rgba(229, 231, 235, 0.6);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.archive-article-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-tertiary));
  transform: scaleY(0);
  transition: transform 0.3s ease;
}

.archive-article-item:hover {
  border-color: rgba(37, 99, 235, 0.3);
  background: rgba(248, 250, 252, 0.5);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.archive-article-item:hover::before {
  transform: scaleY(1);
}

/* 日期显示 */
.archive-article-date {
  flex-shrink: 0;
  width: 60px;
  text-align: center;
  padding: var(--spacing-sm);
  background: var(--color-primary);
  color: var(--color-on-primary);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  transition: all 0.3s ease;
}

.archive-article-item:hover .archive-article-date {
  background: var(--color-tertiary);
  transform: scale(1.05);
}

.date-month {
  font-size: 0.8rem;
  opacity: 0.9;
  line-height: 1;
}

.date-day {
  font-size: 1.2rem;
  line-height: 1;
  margin-top: 2px;
}

/* 文章内容 */
.archive-article-content {
  flex: 1;
  min-width: 0;
}

.archive-article-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xs);
  font-size: 0.85rem;
  color: var(--color-secondary);
  flex-wrap: wrap;
}

.archive-category {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: rgba(37, 99, 235, 0.1);
  color: var(--color-primary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius);
  font-weight: 500;
}

.archive-stats {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.archive-stats i {
  font-size: 0.75rem;
}

.archive-article-title {
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
}

.archive-article-link {
  color: var(--title-color);
  text-decoration: none;
  font-size: 1.2rem;
  font-weight: 600;
  transition: all 0.3s ease;
  display: block;
}

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

.archive-article-preview {
  color: var(--color-secondary);
  line-height: 1.6;
  font-size: 0.9rem;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 空状态样式 */
.archive-empty {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--color-secondary);
}

.archive-empty i {
  font-size: 4rem;
  color: var(--color-primary-container);
  margin-bottom: var(--spacing-lg);
}

.archive-empty h3 {
  font-size: 1.5rem;
  color: var(--title-color);
  margin-bottom: var(--spacing-sm);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .archive-container {
    padding: var(--spacing-lg) var(--spacing-md);
  }
  
  .archive-title {
    font-size: 2rem;
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .archive-stats {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .archive-article-item {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .archive-article-date {
    width: auto;
    flex-direction: row;
    gap: var(--spacing-xs);
    align-self: flex-start;
  }
  
  .date-month, .date-day {
    font-size: 0.9rem;
  }
  
  .archive-article-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }
  
  .archive-article-link {
    font-size: 1.1rem;
  }
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .content-layout {
    flex-direction: column;
    padding: 0;
  }

  .article-container {
    max-width: 100%;
    margin-right: 0;
    padding: 0 15px;
  }

  .toc-container {
    display: none !important;
  }

  .categories-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    padding: 0 15px;
  }
}

@media (max-width: 768px) {
  /* 移动端header适配 */
  .site-header {
    height: 60px; /* 移动端稍微增加header高度 */
    padding: var(--spacing-sm) 0;
  }

  .header-content {
    padding: 0 var(--spacing-md);
    height: 100%;
  }

  .site-logo {
    width: 32px;
    height: 32px;
  }

  .site-title {
    font-size: 1rem;
  }

  .site-description {
    display: none; /* 移动端隐藏描述 */
  }

  .site-stats {
    font-size: 0.7rem;
    padding: var(--spacing-xs);
  }

  /* 移动端主容器适配 */
  .main-container {
    margin-top: 60px; /* 适配移动端header高度 */
    height: calc(100vh - 60px);
    flex-direction: column; /* 移动端垂直布局 */
  }

  /* 移动端sidebar - 抽屉式 */
  .sidebar {
    position: fixed;
    top: 60px; /* 在header下方 */
    left: 0;
    width: 85%;
    max-width: 320px;
    height: calc(100vh - 60px);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: 1000;
    background: var(--color-white);
    box-shadow: 2px 0 12px rgba(0, 0, 0, 0.15);
    border-right: 1px solid #e5e7eb;
  }

  .sidebar.active {
    transform: translateX(0);
  }

  /* 移动端内容区域 */
  .content-wrapper {
    margin-left: 0; /* 移除sidebar的margin */
    width: 100%;
    height: 100%;
  }

  .article-container {
    padding-right: 0; /* 移除TOC的padding */
    padding: var(--spacing-sm);
    width: 100%;
    height: 100%;
  }

  .article-content {
    max-width: none; /* 移除最大宽度限制 */
    padding: var(--spacing-md);
    margin: 0;
  }

  /* 移动端隐藏TOC */
  .toc-container {
    display: none !important;
  }

  /* 移动端分类网格 */
  .categories-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    padding: 0 var(--spacing-sm);
  }

  .category-card {
    padding: var(--spacing-lg);
  }

  .articles-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .article-content {
    padding: 20px 15px;
    font-size: 0.95rem;
  }

  .article-title {
    font-size: 1.5rem;
  }

  .article-meta {
    flex-wrap: wrap;
    gap: 10px;
  }

  .article-body img {
    width: 100%;
    margin: 15px 0;
  }

  .article-body pre {
    margin: 15px -15px;
    border-radius: 0;
  }

  .article-body pre code {
    padding: 15px;
    font-size: 13px;
  }

  .article-body table {
    margin: 15px -15px;
    width: calc(100% + 30px);
  }

  .article-body blockquote {
    margin: 15px -15px;
    padding: 15px;
  }

  .social-links {
    flex-direction: column;
    gap: 10px;
  }

  .social-link {
    width: 100%;
    justify-content: center;
  }

  .site-stats {
    font-size: 0.8rem;
    flex-wrap: wrap;
    gap: 8px;
  }

  .stat-divider {
    display: none;
  }
}

/* 添加移动端菜单按钮样式 */
.menu-toggle {
  display: none;
  cursor: pointer;
  padding: 10px;
  background: none;
  border: none;
  color: #000;
}

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    top: 12px; /* 在header内部，与其他元素对齐 */
    right: 12px; /* 移到右侧，避免挡住logo */
    z-index: 1001;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(229, 231, 235, 0.6);
    border-radius: var(--radius);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    width: 36px;
    height: 36px;
    transition: all 0.3s ease;
    color: var(--color-primary);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }

  .menu-toggle:hover {
    background: var(--color-primary);
    color: var(--color-on-primary);
    border-color: var(--color-primary);
    transform: scale(1.05);
  }

  .menu-toggle.active {
    background: var(--color-primary);
    color: var(--color-on-primary);
    border-color: var(--color-primary);
    transform: scale(1.05);
  }

  /* 移动端遮罩层 */
  .sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    transition: opacity 0.3s ease;
  }

  .sidebar-overlay.active {
    display: block;
  }
}

/* 优化移动端图片显示 */
@media (max-width: 768px) {
  .article-body img {
    max-width: 100%;
    height: auto;
    margin: 15px auto;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  }

  /* 图片放大查看功能 */
  .article-body img.zoomable {
    cursor: zoom-in;
    transition: transform 0.3s ease;
  }

  .article-body img.zoomed {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(1.5);
    max-width: 95vw;
    max-height: 95vh;
    z-index: 1000;
    background: #fff;
    padding: 10px;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    cursor: zoom-out;
  }
}

/* 优化移动端代码块显示 */
@media (max-width: 768px) {
  .article-body pre {
    font-size: 13px;
    line-height: 1.5;
    padding: 10px;
    margin: 15px -15px;
    border-radius: 0;
  }

  .article-body pre code {
    padding: 10px;
  }

  .code-header {
    padding: 8px 10px;
    font-size: 12px;
  }

  .hljs-ln-numbers {
    padding-right: 8px !important;
    padding-left: 8px !important;
    width: 40px;
    min-width: 40px;
  }
}

/* 移动端表格和代码块自适应优化 */
@media (max-width: 768px) {
  /* 表格在移动端的自适应处理 */
  .article-body .table-wrapper {
    margin: 15px -15px;
    border-radius: 0;
    border-left: none;
    border-right: none;
  }

  .article-body table {
    font-size: clamp(10px, 3vw, 12px); /* 移动端更小的字体 */
    width: 100%;
  }

  .article-body th,
  .article-body td {
    padding: clamp(4px, 2vw, 8px) clamp(3px, 1.5vw, 6px);
    font-size: inherit;
    line-height: 1.3;
    word-break: break-word;
    hyphens: auto;
  }

  /* 代码块在移动端的自适应处理 */
  .article-body pre {
    margin: 15px -15px;
    border-radius: 0;
    font-size: clamp(9px, 2.5vw, 11px); /* 移动端代码字体 */
  }

  .article-body pre code {
    padding: 15px;
    font-size: inherit;
    line-height: 1.4;
    white-space: pre-wrap;
    word-break: break-all;
    overflow-wrap: break-word;
  }

  /* 代码标题在移动端的优化 */
  .code-header {
    padding: 8px 15px;
    font-size: clamp(10px, 2.2vw, 12px);
    margin: 0 -15px 0 -15px;
  }

  /* 代码行号在移动端的优化 */
  .hljs-ln-numbers {
    padding-right: 6px !important;
    padding-left: 6px !important;
    width: 35px;
    min-width: 35px;
    font-size: clamp(8px, 2vw, 10px);
  }

  .hljs-ln-code {
    padding-left: 10px !important;
  }
}

/* ================== 高级自适应表格和代码块样式 ================== */

/* 智能表格布局 - 根据内容自动调整 */
.article-body table.auto-layout {
  table-layout: fixed; /* 固定布局让列宽更可控 */
}

.article-body table.auto-layout th,
.article-body table.auto-layout td {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 表格悬浮提示（对于被截断的内容） */
.article-body th[title],
.article-body td[title] {
  cursor: help;
  position: relative;
}

/* 响应式表格 - 在窄屏上转换为卡片样式 */
@media (max-width: 600px) {
  .article-body table.responsive-table {
    border: 0;
    background: transparent;
  }

  .article-body table.responsive-table thead {
    display: none;
  }

  .article-body table.responsive-table tbody,
  .article-body table.responsive-table tr,
  .article-body table.responsive-table td {
    display: block;
    border: none;
  }

  .article-body table.responsive-table tr {
    background: #f8f9fa;
    border-radius: 8px;
    margin-bottom: 15px;
    padding: 15px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  }

  .article-body table.responsive-table td {
    padding: 8px 0;
    border-bottom: 1px solid #eee;
    position: relative;
    padding-left: 40%;
    text-align: left;
  }

  .article-body table.responsive-table td:before {
    content: attr(data-label) ": ";
    position: absolute;
    left: 0;
    width: 35%;
    padding-right: 10px;
    white-space: nowrap;
    font-weight: 600;
    color: #000;
  }

  .article-body table.responsive-table td:last-child {
    border-bottom: none;
  }
}

/* 代码块智能缩进处理 */
.article-body pre.smart-wrap {
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: break-word;
}

.article-body pre.smart-wrap code {
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: break-word;
  tab-size: 2; /* 减小tab缩进以节省空间 */
}

/* 长行代码的智能处理 */
.article-body pre .long-line {
  background: rgba(255, 255, 255, 0.05);
  margin: 2px 0;
  padding: 2px 4px;
  border-radius: 3px;
}

/* 代码块行高自适应 */
@media (max-width: 480px) {
  .article-body pre code {
    line-height: 1.3; /* 在非常小的屏幕上减小行高 */
    tab-size: 2;
  }
}

/* 表格内容智能省略 */
.article-body .table-cell-ellipsis {
  max-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 可展开的表格行（用于复杂内容） */
.article-body .expandable-row {
  cursor: pointer;
  position: relative;
}

.article-body .expandable-row:after {
  content: "▶";
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  color: #666;
  font-size: 12px;
  transition: transform 0.2s ease;
}

.article-body .expandable-row.expanded:after {
  transform: translateY(-50%) rotate(90deg);
}

.article-body .expanded-content {
  display: none;
  background: #f8f9fa;
  padding: 10px;
  border-radius: 4px;
  margin-top: 5px;
  font-size: 0.9em;
  line-height: 1.4;
}

.article-body .expandable-row.expanded + .expanded-content {
  display: block;
}

/* ================== 自适应字体大小系统 ================== */

/* 超大屏幕 */
@media (min-width: 1600px) {
  .article-body table {
    font-size: 14px;
  }
  .article-body pre {
    font-size: 14px;
  }
}

/* 大屏幕 */
@media (min-width: 1200px) and (max-width: 1599px) {
  .article-body table {
    font-size: 13px;
  }
  .article-body pre {
    font-size: 13px;
  }
}

/* 中等屏幕 */
@media (min-width: 992px) and (max-width: 1199px) {
  .article-body table {
    font-size: 12px;
  }
  .article-body pre {
    font-size: 12px;
  }
}

/* 小屏幕 */
@media (min-width: 576px) and (max-width: 991px) {
  .article-body table {
    font-size: 11px;
  }
  .article-body pre {
    font-size: 11px;
  }
}

/* 超小屏幕 */
@media (max-width: 575px) {
  .article-body table {
    font-size: 10px;
  }
  .article-body pre {
    font-size: 10px;
  }
}

/* ================== 内容溢出处理 ================== */

/* 智能文本处理 */
.article-body .text-smart {
  word-break: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
}

/* URL和长字符串的特殊处理 */
.article-body .break-url {
  word-break: break-all;
  overflow-wrap: break-word;
}

/* 保持代码格式但允许换行的类 */
.article-body .code-wrap {
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: break-word;
  font-family: "JetBrains Mono", "Fira Code", monospace;
}

/* 加载动画 */
.loading {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 200px;
  font-size: 1rem;
  color: #666;
}

.loading::after {
  content: "";
  width: 16px;
  height: 16px;
  border: 2px solid #ccc;
  border-top: 2px solid #000;
  border-radius: 50%;
  margin-left: 10px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* 错误状态 */
.error-message {
  text-align: center;
  padding: 40px;
  background: #fff;
  border: 1px solid #eee;
  margin: 20px 0;
}

.error-message h3 {
  color: #000;
  margin-bottom: 10px;
}

.error-message p {
  color: #666;
}

/* TOC 滚动指示器 */
.toc-progress {
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  background: #000;
  border-radius: 1px;
  transition: all 0.3s ease;
}

.main-content {
  flex: 1;
  padding: 30px 0;
  overflow-y: auto;
  width: 100%; /* 确保主内容区域使用全宽 */
}

/* 欢迎区域 */
.welcome-section {
  padding: 0;
}

.welcome-section .article-content {
  margin-bottom: 0;
}

.welcome-section h1 {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 20px;
  color: #000;
}

.welcome-section p {
  font-size: 16px;
  line-height: 1.6;
  color: #666;
  margin: 0;
}

/* 数学公式样式 */
.math-display {
  overflow-x: auto;
  margin: 1em 0;
  padding: 1em;
  background-color: #f8f9fa;
  border-radius: 4px;
}

/* 行内公式样式 */
.mjx-chtml {
  font-size: 110% !important;
}

/* 块级公式样式 */
.mjx-chtml.MJXc-display {
  margin: 1.5em 0;
  padding: 1em;
  overflow-x: auto;
}

/* 社交链接样式 */
.social-links {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  padding: 12px 20px;
  background-color: #f0ffea;
  border: 1px solid #a3e583;
  border-radius: 30px;
  color: #333;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  transition: all 0.3s ease;
  box-shadow: 0 4px 6px rgba(163, 229, 131, 0.2);
}

.social-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(163, 229, 131, 0.3);
  background-color: #e0ffcf;
}

.github-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  margin-right: 12px;
  border: 2px solid #a3e583;
}

.github-link {
  background-color: #f0ffea;
  border: 1px solid #a3e583;
  box-shadow: 0 4px 6px rgba(163, 229, 131, 0.2);
}

.github-link span {
  font-weight: 600;
  color: #4a8f29;
}

.github-link:hover {
  background-color: #e0ffcf;
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(163, 229, 131, 0.3);
  color: #333;
}

.social-link i {
  margin-right: 10px;
  font-size: 1.4rem;
}

/* 代码行号显示样式 */
.hljs-ln {
  border-collapse: collapse;
  width: 100%;
}

.hljs-ln td {
  padding: 0;
  border: none;
}

.hljs-ln-numbers {
  user-select: none;
  text-align: right;
  color: #606366;
  border-right: 1px solid #3a3d41;
  vertical-align: top;
  padding-right: 10px !important;
  padding-left: 10px !important;
  width: 50px;
  min-width: 50px;
  background-color: #1d1f21;
}

.hljs-ln-code {
  padding-left: 15px !important;
  width: 100%;
}

/* 代码块标题样式 */
.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #21252b;
  color: #abb2bf;
  padding: 8px 16px;
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 13px;
  border-radius: 8px 8px 0 0;
  border-bottom: 1px solid #3e4451;
}

.code-language {
  font-weight: 600;
  color: #81e6d9;
}

.copy-button {
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: all 0.2s ease;
  color: #cbd5e0;
}

.copy-button:hover {
  background-color: #4a5568;
  color: #fff;
}

/* 代码块容器样式 - 自适应优化 */
pre {
  background-color: #282c34 !important;
  border-radius: 8px;
  margin: 20px 0;
  position: relative;
  font-size: clamp(11px, 1.8vw, 14px); /* 响应式字体大小 */
  line-height: 1.5;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  border: 1px solid #3e4451;
  padding: 0;
  width: 100%;
  max-width: 100%;
  overflow: hidden; /* 移除滚动条 */
}

/* 代码行样式 - 自适应换行 */
pre code {
  font-family: "JetBrains Mono", "Fira Code", "Cascadia Code", "SF Mono",
    Consolas, monospace;
  display: block;
  color: #abb2bf !important;
  padding: 20px;
  background: transparent !important;
  font-size: inherit;
  line-height: 1.6;
  white-space: pre-wrap; /* 保持格式的同时允许换行 */
  word-break: break-all;
  overflow-wrap: break-word;
  width: 100%;
  box-sizing: border-box;
}

/* 代码高亮颜色 - One Dark Pro 主题 */
.hljs-keyword {
  color: #c678dd !important;
}
.hljs-built_in {
  color: #e5c07b !important;
}
.hljs-type {
  color: #56b6c2 !important;
}
.hljs-literal {
  color: #56b6c2 !important;
}
.hljs-number {
  color: #d19a66 !important;
}
.hljs-string {
  color: #98c379 !important;
}
.hljs-comment {
  color: #7f848e !important;
  font-style: italic;
}
.hljs-operator {
  color: #c678dd !important;
}
.hljs-function {
  color: #61afef !important;
}
.hljs-class {
  color: #e5c07b !important;
}
.hljs-variable {
  color: #e06c75 !important;
}
.hljs-params {
  color: #d19a66 !important;
}
.hljs-attr {
  color: #d19a66 !important;
}
.hljs-tag {
  color: #e06c75 !important;
}
.hljs-name {
  color: #e06c75 !important;
}
.hljs-selector-tag {
  color: #c678dd !important;
}
.hljs-selector-class {
  color: #d19a66 !important;
}
.hljs-selector-id {
  color: #61afef !important;
}
.hljs-template-tag {
  color: #e06c75 !important;
}
.hljs-template-variable {
  color: #e06c75 !important;
}
.hljs-addition {
  color: #98c379 !important;
}
.hljs-deletion {
  color: #e06c75 !important;
}
/* 平板端响应式优化 */
@media (max-width: 1024px) and (min-width: 769px) {
  /* 表格在平板端的自适应 */
  .article-body table {
    font-size: clamp(12px, 2.2vw, 13px);
  }

  .article-body th,
  .article-body td {
    padding: clamp(6px, 1.8vw, 12px) clamp(5px, 1.5vw, 10px);
  }

  /* 代码块在平板端的自适应 */
  .article-body pre {
    font-size: clamp(11px, 2vw, 13px);
  }

  .article-body pre code {
    font-size: inherit;
    padding: 18px;
  }
}

/* 移除原来的滚动条样式，因为我们不再使用滚动 */
/* 注释掉之前的滚动条样式
pre::-webkit-scrollbar {
    height: 8px;
    background-color: #1e2227;
}

pre::-webkit-scrollbar-thumb {
    background-color: #404040;
    border-radius: 4px;
}

pre::-webkit-scrollbar-thumb:hover {
    background-color: #505050;
}
*/

/* 行内代码样式 */
:not(pre) > code {
  background-color: rgba(99, 110, 123, 0.15);
  color: #383a42;
  padding: 0.2em 0.4em;
  border-radius: 4px;
  font-family: "JetBrains Mono", "Fira Code", Consolas, monospace;
  font-size: 0.9em;
}

/* 站点统计样式 */
.site-stats {
  margin-top: 8px;
  font-size: 0.85rem;
  color: #666;
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(0, 0, 0, 0.03);
  padding: 4px 10px;
  border-radius: 20px;
  width: fit-content;
}

.site-stat-number {
  color: #000;
  font-weight: 500;
  margin: 0 2px;
}

/* 移除文章页面的阅读量显示 */
.article-views {
  display: none;
}

@media (max-width: 768px) {
  .site-stats {
    font-size: 0.8rem;
    padding: 3px 8px;
  }
}

/* Mermaid图表样式 */
.mermaid {
  text-align: center;
  margin: 20px auto;
  padding: 20px;
  background-color: #f8f9fa;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  max-width: 100%;
  overflow-x: auto;
}

.mermaid svg {
  max-width: 100%;
  height: auto;
}

/* 确保图表在移动设备上也能正常显示 */
@media screen and (max-width: 768px) {
  .mermaid {
    padding: 10px;
    margin: 10px auto;
  }
}

/* ================== 归档页面样式 ================== */
.archive-section {
  padding: 0;
}

.archive-header {
  text-align: center;
  margin-bottom: 40px;
  padding-bottom: 30px;
  border-bottom: 1px solid #eee;
}

.archive-title {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--title-color);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.archive-title i {
  color: var(--color-primary);
  font-size: 1.8rem;
}

.archive-description {
  color: var(--color-secondary);
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.archive-stats {
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--color-secondary);
  font-size: 0.9rem;
}

.stat-item i {
  color: var(--color-primary);
}

/* 时间线样式 */
.archive-timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline-year {
  margin-bottom: 40px;
}

.year-header {
  position: sticky;
  top: 70px;
  background: var(--bg-color);
  padding: 15px 0;
  margin-bottom: 25px;
  border-bottom: 2px solid var(--color-primary);
  z-index: 10;
}

.year-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.year-count {
  font-size: 0.9rem;
  color: var(--color-secondary);
  font-weight: 400;
  background: var(--color-secondary-container);
  padding: 4px 12px;
  border-radius: 20px;
}

.timeline-month {
  margin-bottom: 30px;
  position: relative;
  padding-left: 30px;
}

.timeline-month::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-secondary-container));
}

.month-header {
  margin-bottom: 15px;
  position: relative;
}

.month-header::before {
  content: '';
  position: absolute;
  left: -18px;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  border: 2px solid var(--bg-color);
  box-shadow: 0 0 0 2px var(--color-primary);
}

.month-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 5px;
}

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

.timeline-article {
  margin-bottom: 15px;
  position: relative;
  background: var(--bg-color);
  border: 1px solid rgba(229, 231, 235, 0.6);
  border-radius: 8px;
  padding: 20px;
  transition: all 0.3s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.timeline-article:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.timeline-article::before {
  content: '';
  position: absolute;
  left: -18px;
  top: 25px;
  width: 6px;
  height: 6px;
  background: var(--color-tertiary);
  border-radius: 50%;
  border: 2px solid var(--bg-color);
}

.article-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.article-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 10px;
  gap: 15px;
}

.article-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--title-color);
  line-height: 1.4;
  flex: 1;
}

.article-date {
  color: var(--color-secondary);
  font-size: 0.85rem;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 4px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 15px;
  font-size: 0.85rem;
  color: var(--color-secondary);
  margin-bottom: 8px;
}

.article-category {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--color-primary-container);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.8rem;
}

.article-stats {
  display: flex;
  align-items: center;
  gap: 10px;
}

.article-preview {
  color: var(--color-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 归档页面年份区域样式 */
.archive-year-section {
  margin-bottom: 50px;
}

.archive-year-header {
  margin-bottom: 30px;
  padding-bottom: 15px;
  border-bottom: 2px solid var(--color-primary);
}

.archive-year-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 12px;
}

.archive-year-title i {
  font-size: 1.5rem;
}

.year-count {
  font-size: 0.9rem;
  color: var(--color-secondary);
  font-weight: 400;
  background: var(--color-secondary-container);
  padding: 4px 12px;
  border-radius: 20px;
}

.archive-articles {
  display: grid;
  gap: 20px;
}

.archive-article-item {
  display: flex;
  gap: 20px;
  padding: 20px;
  background: var(--bg-color);
  border: 1px solid rgba(229, 231, 235, 0.6);
  border-radius: 8px;
  transition: all 0.3s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.archive-article-item:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.archive-article-date {
  flex-shrink: 0;
  text-align: center;
  padding: 10px;
  background: var(--color-primary-container);
  border-radius: 8px;
  min-width: 60px;
}

.date-month {
  font-size: 0.8rem;
  color: var(--color-secondary);
  font-weight: 500;
  text-transform: uppercase;
}

.date-day {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.archive-article-content {
  flex: 1;
  min-width: 0;
}

.archive-article-header {
  margin-bottom: 10px;
}

.archive-article-title {
  margin: 0 0 8px 0;
}

.archive-article-title a {
  color: var(--title-color);
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.4;
  transition: color 0.3s ease;
}

.archive-article-title a:hover {
  color: var(--color-primary);
}

.archive-article-meta {
  display: flex;
  align-items: center;
  gap: 15px;
  font-size: 0.85rem;
  color: var(--color-secondary);
  flex-wrap: wrap;
}

.archive-category {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--color-primary-container);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.8rem;
}

.archive-stats,
.archive-reading-time {
  display: flex;
  align-items: center;
  gap: 4px;
}

.archive-article-preview {
  color: var(--color-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
  margin-top: 8px;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .archive-title {
    font-size: 1.8rem;
  }
  
  .archive-stats {
    gap: 15px;
  }
  
  .archive-year-title {
    font-size: 1.5rem;
  }
  
  .archive-article-item {
    flex-direction: column;
    gap: 15px;
    padding: 15px;
  }
  
  .archive-article-date {
    align-self: flex-start;
    min-width: 50px;
  }
  
  .date-day {
    font-size: 1.2rem;
  }
  
  .archive-article-meta {
    flex-wrap: wrap;
    gap: 10px;
  }
}

/* ================== Giscus 评论区样式 ================== */
.comments-section {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid #eee;
  background: #fff;
}

.comments-header {
  text-align: center;
  margin-bottom: 30px;
}

.comments-header h3 {
  font-size: 1.4rem;
  color: #000;
  margin-bottom: 8px;
  font-weight: 600;
  letter-spacing: -0.5px;
}

.comments-header h3 i {
  color: #666;
  margin-right: 8px;
  font-size: 1.2rem;
}

.comments-description {
  color: #666;
  font-size: 0.9rem;
  margin: 0;
  font-weight: 400;
}

#giscus-container {
  background: #fff;
  max-width: 100%;
}

/* Giscus 组件样式优化 - 黑白简约风格 */
#giscus-container .gsc-reactions-menu {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 6px;
}

#giscus-container .gsc-comment-box {
  border: 1px solid #ddd;
  border-radius: 6px;
  background: #fff;
}

#giscus-container .gsc-comment-box-textarea {
  background: #fff;
  border: none;
  color: #000;
  font-size: 14px;
  line-height: 1.6;
}

#giscus-container .gsc-comment-box-textarea:focus {
  outline: none;
  box-shadow: inset 0 0 0 1px #000;
}

#giscus-container .gsc-comment {
  border-bottom: 1px solid #eee;
  padding: 16px 0;
}

#giscus-container .gsc-comment:last-child {
  border-bottom: none;
}

#giscus-container .gsc-comment-author {
  color: #000;
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
}

#giscus-container .gsc-comment-author:hover {
  color: #666;
}

#giscus-container .gsc-comment-content {
  color: #000;
  font-size: 14px;
  line-height: 1.6;
  margin: 8px 0;
}

#giscus-container .gsc-comment-edited {
  color: #999;
  font-size: 12px;
}

/* 按钮样式 */
#giscus-container .gsc-comment-box-button {
  background: #000;
  border: 1px solid #000;
  border-radius: 6px;
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  cursor: pointer;
  transition: all 0.2s ease;
}

#giscus-container .gsc-comment-box-button:hover {
  background: #333;
  border-color: #333;
}

#giscus-container .gsc-comment-box-button:disabled {
  background: #f8f9fa;
  border-color: #ddd;
  color: #999;
  cursor: not-allowed;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .comments-section {
    margin: 40px -20px 20px -20px;
    padding: 30px 20px;
    border-top: 1px solid #eee;
  }

  .comments-header h3 {
    font-size: 1.2rem;
  }

  #giscus-container {
    margin: 0;
  }
}