/* ==========================================
   资源导入
   ========================================== */
/* 预加载标题字体 */
@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@300;400;500;600;700;800;900&display=swap');
/* 预加载代码块字体 */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,400;0,500;0,600;1,400&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700&display=swap');

/* ==========================================
   CSS 自定义属性（变量）
   ========================================== */
:root {
  /* 颜色系统 */
  --color-text-primary: #2d3748;    /* 主文字：深灰 */
  --color-text-secondary: #4a5568;  /* 次要文字：中灰 */
  --color-text-tertiary: #718096;   /* 辅助文字：浅灰 */
  --color-text-inverse: #ffffff;    /* 反色文字：白色 */
  --color-accent: #0077be;          /* 强调色 #2575fc 天青蓝：#87ceeb 海浪蓝：#0077be 宝石蓝：#0f52ba 克莱因蓝：#002fa7 普鲁士蓝：#003153 */
  --color-accent-hover: #0f52ba;    /* 强调色悬停 #1c6ae4 */
  --color-highlight: #ffcc22;       /* 高亮色：黄 */
  
  /* 背景色 */
  --color-bg-page: #f4f4f4;
  --color-bg-card: #ffffff;
  --color-bg-light: #f8f9fa;
  --color-bg-lighter: #f3f4f5;
  --color-bg-hover: #e9ecef;
  
  /* 边框和阴影 */
  --color-border: #eee;
  --color-border-light: #ddd;
  --shadow-card: 0 0 0 11px #f5f5f5, 0 0 0 13px #fff, 0 4px 22px rgba(0,0,0,0.6);
  
  /* 间距系统 */
  --spacing-xs: 5px;
  --spacing-sm: 10px;
  --spacing-md: 16px;
  --spacing-lg: 20px;
  --spacing-xl: 30px;
  --spacing-2xl: 40px;
  
  /* 圆角 */
  --radius-xs: 5px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 20px;
  
  /* 容器 */
  --container-max-width: 1280px;
  --header-height: 135px;
  
  /* 字体 */
  --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-heading: 'Nunito', sans-serif;
  
  /* 过渡 */
  --transition-fast: 0.18s ease;
  --transition-normal: 0.3s ease;
}

/* ==========================================
   全局基础样式
   ========================================== */
body {
  font-family: var(--font-primary);
  margin: 0;
  padding: 0;
  background-color: var(--color-bg-page);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-y: scroll;
}

/* 基础重置和选择器 */
* {
  box-sizing: border-box;
}

/* 基础重置和选择器 - 完整版
* { 通用选择器，匹配所有元素
  -webkit-user-select: none; Webkit内核浏览器(Chrome,Safari)禁止文本选择
  -moz-user-select: none; Firefox浏览器禁止文本选择
  -ms-user-select: none; IE/Edge浏览器禁止文本选择
  user-select: none; 标准属性：禁止文本选择

  margin: 0; 被注释掉：不重置外边距
  padding: 0; 被注释掉：不重置内边距

  box-sizing: border-box; 盒模型计算方式：宽度高度包含border和padding
}

为特定元素启用文本选择功能
input, 输入框
textarea, 文本域
code, 代码元素
pre { 预格式化文本
  -webkit-user-select: text; Webkit内核浏览器允许文本选择
  -moz-user-select: text; Firefox浏览器允许文本选择
  -ms-user-select: text; IE/Edge浏览器允许文本选择
  user-select: text; 标准属性：允许文本选择
}
*/

/* 链接 */
a {
  color: var(--color-accent);
  text-decoration: none;
}

/* 通用行内 SVG 图标居中样式 */
.inline-svg {
  display: inline-block;
  vertical-align: middle;
  width: 1.1em;
  height: 1.1em;
  overflow: visible;
  margin: 0 0.5em 0 0.1em;
}

.text-accent {
  color: var(--color-accent);
}

/* ==========================================
   通用卡片容器
   ========================================== */
.header-container,
.footer-container,
.sidebar-container,
.article-container {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 0;
  border: 2px solid var(--color-border);
  box-shadow: var(--shadow-card);
  margin: var(--spacing-lg) auto;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

/* ==========================================
   通用防溢出样式
   ========================================== */
.article-content,
.comment-content,
.sidebar-comments .comment-item,
.article-excerpt,
.article-list {
  overflow-wrap: break-word;
  word-wrap: break-word;
  word-break: break-word;
}

/* ==========================================
   头部区域
   ========================================== */
.header-container {
  max-width: var(--container-max-width);
  margin: var(--spacing-2xl) auto var(--spacing-xl);
  height: var(--header-height);
  min-height: var(--header-height);
  position: sticky;
  top: 13px;
  z-index: 1000;
}

header {
  border-radius: var(--radius-lg);
  color: var(--color-text-primary);
  padding: 1em 1.6em;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.header-top,
.header-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

/* 副标题区域 */
.header-bottom,
.placeholder-bottom,
#subtitle {
  min-height: 16px;
  align-items: center;
}

.placeholder-bottom {
  display: flex;
  justify-content: flex-start;
}

#subtitle {
  display: flex;
  margin: 0;
  padding: 0;
  transition: all var(--transition-normal);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.header-top h1 {
  margin: 0;
  font-size: 1.8em;
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--color-text-primary);
}

.placeholder-top,
.placeholder-bottom {
  font-size: 16px;
  color: var(--color-text-tertiary);
  opacity: 0.9;
  /* 搜索框+图标 并排靠右布局样式 */
  display: flex;
  align-items: center;
  gap: 6px;
}

.svg-icon-link {
  display: inline-flex;
}

.svg-icon-link svg {
  fill: var(--color-bg-lighter);
  transition: var(--transition-normal);
}

.svg-icon-link:hover svg {
  fill: var(--color-highlight);
}

/* 导航菜单 */
nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: var(--spacing-sm);
  transform: translateY(-10px);
}

nav li {
  margin: 0;
  padding: 0;
}

/* 导航按钮（卡片式） */
nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text-secondary);
  padding: 8px 13px;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  background-color: var(--color-bg-lighter);
  transition: all var(--transition-normal);
}

nav a:hover {
  color: var(--color-text-primary);
  border-color: var(--color-highlight);
  background-color: var(--color-bg-card);
}

nav a.active {
  font-weight: 600;
  color: var(--color-text-primary);
  border-color: var(--color-highlight);
  background-color: var(--color-bg-card);
}

nav a iconify-icon {
  font-size: 1.2em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ==========================================
   主内容区域布局
   ========================================== */
.main-content {
  display: flex;
  gap: var(--spacing-lg);
  width: calc(100% - 2 * var(--spacing-lg));
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: var(--spacing-lg) 0;
  align-items: flex-start;
  min-height: 600px; /* 防止加载时容器坍塌 */
}

/* ==========================================
   左侧边栏
   ========================================== */
.sidebar-section-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  flex: 0 0 308px; /* 固定宽度 308px，防止加载时变宽 */
  position: sticky;
  top: 203px;
  align-self: flex-start;
  height: fit-content;
}

.sidebar-container {
  margin: 0 var(--spacing-xl) var(--spacing-xl) 0;
}

.sidebar {
  padding: var(--spacing-md);
  /* border-radius: var(--radius-lg);？ */
  margin-top: -7px; /* 抵消左边栏上边距 */
}

/* 侧边栏标题样式 */
.sidebar-section h2,
.sidebar-listicle h2 {
  position: relative;
  padding-bottom: 8px;
  margin: 0; /* 合并了 margin-top 和 margin-bottom */
  color: var(--color-text-primary);
  font-weight: 600;
}

/* 标题下划线公共样式 */
.sidebar-section h2::after,
.sidebar-listicle h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 120px;
  height: 5px;
}

/* 标题下划线 - 左侧边栏用绿色渐变 */
.sidebar-section h2::after {
  background: linear-gradient(to right, #dff187, transparent);
}

/* 标题下划线 - 右侧边栏用蓝色渐变 */
.sidebar-listicle h2::after {
  background: linear-gradient(to right, #96e3e8, transparent);
}

/* 列表通用样式 */
.sidebar-section ul {
  list-style: none;
  padding: 0;
  margin: var(--spacing-sm) 0 0;
}

.sidebar-section li {
  margin-bottom: var(--spacing-xs);
  padding: 8px var(--spacing-xs);
  background-color: var(--color-bg-light);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-normal);
  font-size: 0.95em;
  color: var(--color-text-secondary);
}

/* 取消最后一个列表项的下边距 */
.sidebar-section li:last-child {
  margin-bottom: 0;
}

.sidebar-section li:hover {
  background-color: var(--color-bg-hover);
}

.sidebar-section li a {
  text-decoration: none;
  color: inherit; /* 使用继承来简化颜色管理 */
  display: block;
  font-weight: 500;
  font-size: 0.95em;
}

.sidebar-section li a:hover {
  color: var(--color-accent);
}

/* 最新评论小字样式 */
.sidebar-section li small {
  font-size: 0.85em;
  color: var(--color-text-tertiary);
  display: block;
  margin-top: 4px;
}

.sidebar-section li small a {
  font-size: 0.85em;
  color: inherit; /* 使用继承来简化颜色管理 */
  display: inline;
}

.sidebar-section li small a:hover {
  color: var(--color-accent);
}

/* 博主信息 */
.blogger-info p {
  margin: var(--spacing-xs) 0;
  color: var(--color-text-secondary);
}

.blogger-info strong {
  color: var(--color-text-primary);
}

/* 博主头像动态背景 */
.blogger-info {
  position: relative;
  overflow: hidden;
  border-radius: var(--spacing-md);
}

.blogger-info::before {
  content: '';
  position: absolute;
  top: 35%;
  left: 50%;
  width: 168px;
  height: 168px;
  background: radial-gradient(
    circle at center,
    rgba(168, 230, 207, 0.8) 18%,
    rgba(220, 237, 193, 0.3) 36%,
    rgba(255, 255, 255, 0.1) 72%,
    transparent 80%
  );
  animation: centerPulse 4s ease-in-out infinite;
  transform: translate(-50%, -50%);
  z-index: 0;
  border-radius: 50%;
  pointer-events: none;
}

.blogger-info > * {
  position: relative;
  z-index: 1;
}

@keyframes centerPulse {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.6;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.3);
    opacity: 0.9;
  }
}

/* 标签云 */
.tags-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  padding: var(--spacing-sm) 0 4px;
  margin: 0;
  justify-content: center;
}

.tag-item {
  text-align: center;
  padding: 4px 8px;
  background-color: var(--color-bg-light);
  color: var(--color-text-secondary);
  border-radius: var(--spacing-md);
  font-size: 0.9em;
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: all var(--transition-normal);
  font-weight: 500;
}

.tag-item:hover {
  background-color: var(--color-bg-hover);
  color: var(--color-text-primary);
  text-decoration: none;
}

/* ==========================================
   右侧文章列表区域
   ========================================== */
.article-container {
  margin: 0 0 var(--spacing-xl) 0;
  flex: 1;                          /* 修改：flex 改为 1，填充剩余空间 */
  min-width: 0;                     /* 修改：防止 flex 子元素溢出 */
}

.sidebar-listicle {
  margin-bottom: var(--spacing-sm);
  padding: 0 var(--spacing-md);
  margin-top: -7px; /* 抵消右边栏上边距 */
}

.sidebar-listicle h2 {
  margin-top: var(--spacing-md);
}

/* 文章项 */
.article-item {
  background-color: var(--color-bg-light);
  margin: 0 var(--spacing-md) var(--spacing-sm) var(--spacing-md);
  padding: var(--spacing-sm);
  border-radius: var(--radius-lg);
  transition: background-color var(--transition-normal);
}

.article-item:hover {
  background-color: var(--color-bg-hover);
}

.article-item h3 {
  margin-top: 0;
  word-wrap: break-word;
  overflow-wrap: break-word;
  white-space: normal;
  color: var(--color-text-primary);
}

.article-item h3 svg {
  display: inline-block;
  vertical-align: -0.23em;
  margin-right: 6px;
}

.article-item h3 a {
  display: inline;
  word-wrap: break-word;
  overflow-wrap: break-word;
  white-space: normal;
  word-break: break-all;
  text-decoration: none;
  color: var(--color-text-primary);
  padding: 2px 0;
}

.article-item h3 a:hover {
  color: var(--color-accent);
}

.article-meta {
  font-size: 0.9em;
  color: var(--color-text-tertiary);
  margin-bottom: var(--spacing-sm);
  text-decoration: none;
}

.article-meta svg {
  transform: translateY(2.5px);
}

.article-meta .edit-link a {
  color: var(--color-text-tertiary);
  text-decoration: none;
  transition: color var(--transition-normal);
}

.article-meta .edit-link a:hover {
  color: var(--color-accent);
}

.article-excerpt {
  word-wrap: break-word;
  word-break: break-all;
  overflow-wrap: break-word;
  white-space: normal;
  margin: var(--spacing-sm) 0 0;
  color: var(--color-text-secondary);
}

.article-footer {
  display: flex;
  justify-content: space-between;
  font-size: 0.9em;
  color: var(--color-text-tertiary);
}

.article-footer a {
  color: var(--color-text-tertiary);
  text-decoration: none;
}

.article-footer a:hover {
  color: var(--color-accent);
}

/* 分页 */
.pagination {
  text-align: center;
  margin: var(--spacing-md) 0;
}

.pagination a {
  display: inline-block;
  padding: 8px 16px;
  margin: 0px 4px;
  text-decoration: none;
  border: 2px solid var(--color-bg-lighter);
  background-color: var(--color-bg-lighter);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: all var(--transition-normal);
  min-width: 45.5px;
}

.pagination a.active {
  background-color: var(--color-bg-card);
  border-color: var(--color-highlight);
  color: var(--color-text-primary);
  box-shadow: none;
}

.pagination a:hover:not(.active) {
  background-color: var(--color-bg-card);
  border-color: var(--color-highlight);
  color: var(--color-text-primary);
}

/* ==========================================
   底部
   ========================================== */
.footer-container {
  max-width: var(--container-max-width);
  margin: 0 auto var(--spacing-2xl);
  height: 118px;
  min-height: 118px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.footer-links {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  margin: var(--spacing-md) 0;
  gap: var(--spacing-sm);
}

.footer-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9em;
  transition: color var(--transition-normal);
  flex: 1;
  text-align: center;
  font-weight: 500;
}

.footer-link:hover {
  color: var(--color-accent);
}

.footer-copyright {
  text-align: center;
  font-size: 0.9em;
  color: var(--color-text-tertiary);
}

.footer-copyright a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-normal);
  font-weight: 500;
}

.footer-copyright a:hover {
  color: var(--color-accent);
}

/* ==========================================
   通用表单样式
   ========================================== */
form {
  background-color: var(--color-bg-card);
  padding: var(--spacing-sm) 0 0;
  border-radius: var(--radius-md);
  margin: var(--spacing-xs) auto;
  max-width: 100%;
}

form label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: bold;
  color: var(--color-text-primary);
}

form input[type="text"],
form input[type="email"],
form input[type="password"],
form textarea,
form select {
  width: 100%;
  padding: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  border: 2px solid var(--color-border-light);
  border-radius: var(--radius-md);
  box-sizing: border-box;
  color: var(--color-text-primary);
}

form textarea {
  height: 100px;
  resize: vertical;
}

form button {
  background-color: var(--color-accent);
  color: white;
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 1em;
  font-weight: 600;
  transition: background-color var(--transition-normal);
}

form button:hover {
  background-color: var(--color-accent-hover);
}

/* 搜索表单 */
.search-form {
  margin: -5px 0 var(--spacing-xs);
  display: flex;
  align-items: flex-start;
  width: 180px;
  box-sizing: border-box;
}

.search-form input[type="text"],
.search-form button[type="submit"] {
  height: 40px;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--color-bg-lighter);
  box-sizing: border-box;
  margin: 0;
  flex: none;
  transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.search-form input[type="text"] {
  width: 130px;
  background-color: var(--color-bg-card);
  border-right: none;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  font-size: 1em;
  outline: none;
}

.search-form button[type="submit"] {
  width: 50px;
  padding: 0;
  background-color: var(--color-bg-lighter);
  border-left: none;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  cursor: pointer;
  color: #ccc;
  font-size: 20px;
}

::placeholder {
  color: var(--color-text-tertiary);
  font-size: 0.9em;
}

.search-form:hover input[type="text"],
.search-form:focus-within input[type="text"] {
  border-color: var(--color-highlight);
}

.search-form:hover button[type="submit"],
.search-form:focus-within button[type="submit"] {
  border-color: var(--color-highlight);
  background-color: var(--color-highlight);
  color: #333;
}

/* ==========================================
   文章详情页
   ========================================== */
.article-content {
  margin: 13px var(--spacing-lg) var(--spacing-xs);
  color: var(--color-text-primary);
}

.article-content img {
  max-width: 100%;
  height: auto;
}

/* ==========================================
   暗色代码块
   ========================================== */

/* 代码块专用变量 */
:where(.article-content) {
  --code-bg: #0f1724;
  --code-text: #e6eef8;
  --code-toolbar-bg: #151d27;
  --code-border: rgba(255, 255, 255, 0.08);
  --code-line-num: rgba(255, 255, 255, 0.28);
  --code-btn-text: rgba(255, 255, 255, 0.68);
  --code-btn-hover: rgba(255, 255, 255, 0.06);
  --inline-code-bg: #0f1724;
  --inline-code-text: #e6eef8;
  --inline-code-hover: #252f3e;
  --font-mono: "JetBrains Mono", "Noto Sans SC", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

/* ========== 基础 pre 样式 ========== */
.article-content pre {
  position: relative;
  background: var(--code-bg);
  color: var(--code-text);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  
  padding: 48px var(--spacing-md) var(--spacing-md) 54px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--code-border);
  margin: 1.2rem 0;
  overflow: auto;
  box-sizing: border-box;
  white-space: pre;
  
  /* 字体优化 */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "liga" off;
  font-variant-ligatures: none;
  
  /* 展开/折叠过渡 */
  transition: max-height var(--transition-normal);
}

/* ========== 左侧行号列 ========== */
.article-content pre::before {
  content: attr(data-line-numbers);
  position: absolute;
  top: 48px;
  left: 0;
  width: 44px;
  padding-right: 8px;
  text-align: right;
  font-size: 15px;
  line-height: 1.6;
  font-family: var(--font-mono);
  color: var(--code-line-num);
  white-space: pre;
  user-select: none;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  box-sizing: border-box;
  
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  
  /* 确保行号顶部对齐 */
  margin: 0;
  padding-top: 0;
}

/* ========== 顶部工具栏 ========== */
.article-content pre .code-tools {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 38px;
  padding: 0 var(--spacing-sm);
  background: var(--code-toolbar-bg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top-left-radius: var(--radius-md);
  border-top-right-radius: var(--radius-md);
  box-sizing: border-box;
}

/* ========== CODE 标题 ========== */
.article-content pre .code-title {
  font-size: 12px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.65);
  letter-spacing: 1px;
  user-select: none;
  font-family: var(--font-primary);
  
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========== 按钮样式 ========== */
.article-content pre .code-btn {
  background: transparent;
  border: none;
  color: var(--code-btn-text);
  font-size: 13px;
  cursor: pointer;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  user-select: none;
  -webkit-user-select: none;
}

.article-content pre .code-btn:hover:not(:disabled) {
  color: var(--color-text-inverse);
  background: var(--code-btn-hover);
}

.article-content pre .code-btn:active:not(:disabled) {
  transform: scale(0.95);
}

.article-content pre .code-btn:disabled {
  cursor: not-allowed;
  opacity: 0.7;
  color: #4ade80;
  font-weight: bold;
}

/* ========== 代码元素 ========== */
.article-content pre code {
  background: none !important;
  border: none !important;
  padding: 0 !important;
  margin: 0 !important;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  word-break: break-word;
  
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  
  /* 确保代码行与行号对齐 */
  display: block;
}

/* ========== 折叠遮罩 ========== */
.article-content pre.collapsed::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 48px;
  background: linear-gradient(to bottom, transparent, var(--code-bg));
  pointer-events: none;
}

/* ========== 复制提示 ========== */
.code-toast {
  position: fixed;
  top: 50px;
  right: 20px;
  background: #232323;
  color: var(--color-text-inverse);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  font-size: 12px;
  opacity: 0;
  transition: opacity var(--transition-fast);
  z-index: 9999;
  pointer-events: none;
  font-family: var(--font-primary);
  
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.code-toast.show { 
  opacity: 1; 
}

/* ========== 响应式 - 窄屏 ========== */
@media (max-width: 680px) {
  .article-content pre {
    padding-left: var(--spacing-md);
    font-size: 12px;
  }
  
  .article-content pre::before { 
    display: none; 
  }
}

/* ========== 行内代码 ========== */
.article-content code {
  font-family: var(--font-mono);
  background-color: var(--inline-code-bg);
  color: var(--inline-code-text);
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  font-size: 0.95rem;
  border: none;
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0 0.3em;
  
  display: inline-block;
  vertical-align: middle;
  line-height: 1.3;
  
  transition: background-color var(--transition-fast);
  
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.article-content code:hover {
  background-color: var(--inline-code-hover);
}

/* ==========================================
   有序列表
   ========================================== */

/* 圆形标签样式 */
ol {
  counter-reset: list-counter;
  list-style: none;
  padding-left: 0;
  margin: 12px 0;
}

ol li {
  counter-increment: list-counter;
  margin: 8px 0;
  padding-left: 25px;
  position: relative;
  line-height: 1.1;
}

ol li::before {
  content: counter(list-counter);
  position: absolute;
  left: 0;
  top: 1px;
  width: 18px;
  height: 18px;
  background: var(--color-text-secondary);
  color: white;
  border-radius: 50%; /* 圆形 */
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 650;
  font-size: 11px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.0); /* 添加轻微阴影 */
}

/* ==========================================
   引用块
   ========================================== */

/* 引用块 - 左侧引号 */
blockquote {
  border-left: 4px solid var(--color-highlight);
  background-color: var(--color-bg-light);
  margin: 20px 0;
  padding: 10px 20px 10px 20px;
  font-style: normal; /* 普通字体normal 斜体italic */
  color: var(--color-text-primary);
  position: relative;
  border-radius: var(--radius-sm);
}

blockquote::before {
  content: "“";
  position: absolute;
  left: -10px;
  top: 5px;
  font-size: 3em;
  color: var(--color-highlight);
  font-family: serif;
  opacity: 0.6;
  line-height: 1;
}

/* ==========================================
   表格
   ========================================== */
table {
  width: 100%;
  border-collapse: collapse;
  background: #fefefe;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: 0 0 0 1px #ddd;
}

th, td {
  padding: 10px 14px;
  border-bottom: 1px solid #e5e5e5;
  text-align: center;
}

th {
  background: #f6f6f6;
  color: #333;
  font-weight: 600;
}

tbody tr:hover {
  background: #f0f0f0;
}

tbody tr:last-child td {
  border-bottom: none;
}

/* ==========================================
   评论区
   ========================================== */
.comment-section {
  margin-top: 30px;
}

.comment {
  background-color: var(--color-bg-light);
  padding: 8px 12px;
  margin: var(--spacing-sm) 0 0;
  border-radius: 12px;
  transition: background-color var(--transition-normal);
  box-sizing: border-box;
}

.comment:hover {
  background-color: var(--color-bg-hover);
}

/* 一级回复样式 */
.comment.reply-level-1 {
  background-color: var(--color-bg-light);
  margin: 8px 0 0;
  padding: 8px var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.9em;
}

.comment.reply-level-1 .comment-content {
  margin-top: var(--spacing-sm);
  color: var(--color-text-secondary);
  font-size: 1em;
}

.comment.reply-level-1 .reply-indicator {
  font-size: 1em;
  color: var(--color-text-tertiary);
  margin-right: var(--spacing-xs);
}

.comment:not(.reply-level-1) .reply-indicator {
  font-size: 0.9em;
}

.reply-indicator .reply-target {
  color: var(--color-accent);
  font-weight: 600;
}

.comment-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
  flex-wrap: wrap;
}

.comment-author {
  font-weight: bold;
  color: var(--color-text-primary);
  font-size: 1em;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.comment-actions {
  flex-shrink: 0;
}

.comment-content {
  margin-top: var(--spacing-sm);
  color: var(--color-text-secondary);
}

.comment-date {
  font-size: 0.85em;
  color: var(--color-text-tertiary);
  margin-top: 6px;
}

/* 评论按钮 */
.reply-btn,
.toggle-replies-btn {
  display: inline-block;
  padding: 3px 8px;
  margin: 0 4px;
  text-decoration: none;
  border: 2px solid var(--color-bg-lighter);
  background-color: var(--color-bg-lighter);
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
  cursor: pointer;
  font-size: 0.85em;
}

.reply-btn:hover,
.toggle-replies-btn:hover {
  background-color: var(--color-bg-card);
  border-color: var(--color-highlight);
  color: var(--color-text-primary);
}

.toggle-replies-btn {
  margin: 8px 0 0;
}

.cancel-reply {
  background-color: var(--color-text-tertiary);
  color: white;
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 1em;
  font-weight: 600;
  margin-left: var(--spacing-sm);
  transition: background-color var(--transition-normal);
}

.cancel-reply:hover {
  background-color: var(--color-text-secondary);
}

.comment-form {
  margin-top: 0;
}

.comment-form input,
.comment-form textarea {
  font-size: 15px;
  font-family: inherit;
}

/* 评论输入框获得焦点样式 */
.comment-form textarea:focus {
  border: 2px solid var(--color-highlight); /* 高亮边框 */
  outline: none; /* 移除浏览器默认的聚焦轮廓 */
}

/* 回复容器和连接线 */
.comment-container {
  position: relative;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.replies {
  position: relative;
  margin: var(--spacing-sm) 0 0 var(--spacing-sm);
  padding-left: 14px;
}

.replies::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(to bottom, #ffcc2200, var(--color-highlight) 20%, var(--color-highlight) 80%, #ffcc2200);
  pointer-events: none;
}

/* 文章评论计数 数字气泡样式 */
.icon-badge {
  position: relative;
  display: inline-block;
  font-size: 24px;
}

.badge {
  position: absolute;
  top: 2px;
  right: -2px;
  background-color: var(--color-highlight);
  color: white;
  border-radius: 50%;
  width: 19px;
  height: 19px;
  font-size: 11px;
  display: flex;
  justify-content: center;
  align-items: center;
  border: 2px solid white;
  font-weight: bold;
}

/* 评论展开按钮样式 */
.toggle-main-comments-btn {
    width: 100%;              /* 按钮宽度占满父容器 */
    padding: 8px 0;            /* 内边距10像素 */
    border: 0px dashed #ccc;  /* 1像素宽的虚线边框，浅灰色 */
    border-radius: var(--radius-sm);       /* 10像素圆角 */
    cursor: pointer;          /* 鼠标悬停时显示手型指针 */
    color: var(--color-text-secondary);              /* 中灰色文字颜色 */
	margin-bottom: -6px; /* 建议使用设计系统的变量 */
	background: var(--color-bg-light);  /* 默认背景色 */
	font-size: 0.95em;
}

/* 评论展开按钮 数字气泡样式 */
.circled-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-highlight);
	border: 1px solid var(--color-highlight);
    font-size: 0.95em;
	color: var(--color-text-inverse);
}

/* ==========================================
   提示信息
   ========================================== */
.alert {
  padding: var(--spacing-md);
  margin: var(--spacing-md) 0;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
}

.alert-success {
  color: #2d5a2d;
  background-color: #e6f4e6;
  border-color: #c3e6c3;
}

.alert-error {
  color: #8b3a3a;
  background-color: #f8d7da;
  border-color: #f1b0b7;
}

/* ==========================================
   滚动控制按钮
   ========================================== */
.scroll-control {
  position: fixed;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 50px;
  z-index: 999;
}

.scroll-btn {
  width: 38px;
  height: 38px;
  border: none;
  background-color: rgba(255, 255, 255, 0);
  color: #bbb;
  font-size: 1.2em;
  border-radius: 30%;
  box-shadow: 0 3px 10px rgba(0,0,0,0);
  pointer-events: auto;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==========================================
   模态框
   ========================================== */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(3px);
  animation: fadeIn var(--transition-normal);
  align-items: center;
  justify-content: center;
}

.modal-content {
  width: 90%;
  max-width: 353px;
  position: relative;
  animation: slideDown var(--transition-normal);
  height: auto;
  min-height: auto;
  top: auto;
  margin: auto;
  padding: var(--spacing-lg) 30px;
}

.modal-content h2 {
  text-align: center;
  margin: 0 0 var(--spacing-lg);
}

.modal-close {
  position: absolute;
  right: var(--spacing-lg);
  top: var(--spacing-lg);
  color: var(--color-text-tertiary);
  font-size: 32px;
  font-weight: 300;
  line-height: 1;
  cursor: pointer;
  transition: color var(--transition-normal);
  user-select: none;
  z-index: 1;
}

.modal-close:hover,
.modal-close:focus {
  color: var(--color-text-primary);
}

.modal-content form {
  padding: 0;
  margin: 0;
  box-shadow: none;
  border-radius: 0;
  max-width: none;
}

.modal-content form input[type="text"],
.modal-content form input[type="email"],
.modal-content form input[type="password"],
.modal-content form textarea,
.modal-content form select {
  margin-bottom: 12px;
  font-size: 17px;
  border: 2px solid #ccc;
}

.modal-content form input[type="text"]:focus,
.modal-content form input[type="email"]:focus,
.modal-content form input[type="password"]:focus,
.modal-content form textarea:focus,
.modal-content form select:focus {
  outline: none;
  border-color: var(--color-highlight);
}

.modal-content form button {
  width: 100%;
  margin-top: var(--spacing-sm);
}

.modal-switch {
  text-align: center;
  margin: var(--spacing-md) 0 var(--spacing-xs);
  font-size: 0.9em;
  color: var(--color-text-secondary);
}

.modal-switch a {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-normal);
}

.modal-switch a:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

.modal-message {
  text-align: center;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  padding: 6px 0;
  display: none;
}

.modal-message:not(:empty) {
  display: block;
}

/* ==========================================
   动画
   ========================================== */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideDown {
  from {
    transform: translateY(-50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* 点赞按钮样式 */
.like-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1em;
    padding: 0 5px;
    transition: all 0.3s ease;
    color: var(--color-text-tertiary);
	vertical-align: 0px;
}

/* 微调SVG位置 */
.like-btn svg {
  transform: translateY(2.5px);
}

.like-btn:hover {
    transform: scale(1.2);
    color: var(--color-highlight);
}

.like-btn.liked {
    color: var(--color-highlight);
    font-weight: bold;
}

.like-btn:disabled {
    cursor: not-allowed;
    opacity: 0.7;
}