/* ========================================
   自定义样式 - 个人博客主题优化
   ======================================== */

/* === 全局变量 === */
:root {
  --theme-color: #42b983;
  --theme-color-dark: #2c8861;
  --text-color: #34495e;
  --bg-color: #ffffff;
  --sidebar-bg: #f8f9fa;
  --border-color: #e1e4e8;
  --code-bg: #f6f8fa;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* === 暗黑模式变量 === */
[data-theme='dark'] {
  --theme-color: #42b983;
  --text-color: #c9d1d9;
  --bg-color: #0d1117;
  --sidebar-bg: #161b22;
  --border-color: #30363d;
  --code-bg: #161b22;
}

/* === 全局样式 === */
* {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--text-color);
  line-height: 1.8;
  background: var(--bg-color);
  transition: background 0.3s ease;
}

/* === 滚动条样式 === */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--sidebar-bg);
}

::-webkit-scrollbar-thumb {
  background: #888;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #555;
}

/* === 封面页优化 === */
section.cover {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
}

/* 封面头像 */
section.cover .cover-main > p:first-child img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

section.cover .cover-main > p:first-child img:hover {
  transform: scale(1.05);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

section.cover h1 {
  font-size: 3.5em;
  font-weight: 700;
  margin: 0;
}

/* === 导航栏优化 === */
.app-nav {
  position: fixed;
  margin: 0;
  padding: 15px 50px 15px 0;
  width: 100%;
  background: transparent;
  box-shadow: none;
  z-index: 10;
}

.app-nav li {
  margin: 0 10px;
}

.app-nav a {
  padding: 8px 16px;
  border-radius: 6px;
  transition: all 0.3s ease;
  font-weight: 500;
}

.app-nav a:hover {
  background: var(--theme-color);
  color: white !important;
  transform: translateY(-2px);
}

/* === 侧边栏优化 === */
.sidebar {
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border-color);
  padding: 20px 10px;
  overflow-y: auto;
}

/* 首页隐藏侧边栏 */
body.is-home .sidebar,
body.is-home .sidebar-toggle {
  display: none !important;
}

body.is-home .content {
  padding-left: 0 !important;
  margin-left: 0 !important;
  left: 0 !important;
}

/* 隐藏侧边栏中的搜索框 */
.sidebar .search {
  display: none !important;
}

/* 隐藏侧边栏标题 */
.sidebar > h1 {
  display: none;
}

.sidebar-toggle {
  background: transparent;
  border-radius: 0 6px 6px 0;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  outline: none;
}

.sidebar-toggle:hover {
  background: rgba(66, 185, 131, 0.1);
}

.sidebar-toggle:focus {
  outline: none;
  border: none;
  box-shadow: none;
  background: transparent;
}

.sidebar-toggle:active {
  background: transparent;
}

/* TOC 目录样式 */
.sidebar-nav {
  padding: 0;
}

.sidebar-nav > ul {
  padding: 0;
  margin: 0;
}

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

.sidebar-nav ul li {
  margin: 4px 0;
}

.sidebar-nav ul li a {
  display: block;
  padding: 8px 15px;
  border-radius: 6px;
  transition: all 0.2s ease;
  color: var(--text-color);
  text-decoration: none;
  font-size: 0.95em;
  line-height: 1.5;
  border-left: 3px solid transparent;
}

.sidebar-nav ul li a:hover {
  background: var(--code-bg);
  color: var(--theme-color);
  border-left-color: var(--theme-color);
}

.sidebar-nav ul li a.active {
  color: var(--theme-color);
  font-weight: 500;
}

/* 二级目录缩进 */
.sidebar-nav ul ul {
  padding-left: 15px;
}

.sidebar-nav ul ul li a {
  font-size: 0.9em;
  padding: 6px 12px;
}

/* 三级目录缩进 */
.sidebar-nav ul ul ul {
  padding-left: 15px;
}

.sidebar-nav ul ul ul li a {
  font-size: 0.85em;
  padding: 5px 10px;
}

.sidebar > h1 a {
  font-size: 1.5em;
  font-weight: 700;
}

/* === 内容区域优化 === */
.markdown-section {
  max-width: 1200px;
  padding: 30px 50px 40px;
}

/* 首页内容区域顶到最上面（仅保留导航栏高度） */
body.is-home .markdown-section {
  padding-top: 45px;
  max-width: 1200px;
  position: relative;
}

/* 首页深海背景动画 */
body.is-home::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: linear-gradient(
    180deg,
    rgba(102, 126, 234, 0.06) 0%,
    rgba(102, 126, 234, 0.12) 20%,
    rgba(102, 126, 234, 0.22) 40%,
    rgba(102, 126, 234, 0.35) 70%,
    rgba(102, 126, 234, 0.5) 100%
  );
}

body.is-home::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background-image:
    radial-gradient(ellipse at 15% 20%, rgba(102, 126, 234, 0.18) 0%, transparent 40%),
    radial-gradient(ellipse at 85% 40%, rgba(118, 75, 162, 0.15) 0%, transparent 35%),
    radial-gradient(ellipse at 40% 70%, rgba(102, 126, 234, 0.25) 0%, transparent 45%),
    radial-gradient(ellipse at 70% 85%, rgba(118, 75, 162, 0.35) 0%, transparent 40%),
    radial-gradient(ellipse at 25% 95%, rgba(102, 126, 234, 0.4) 0%, transparent 35%);
  animation: deepSeaWave 20s ease-in-out infinite;
}

@keyframes deepSeaWave {
  0%,
  100% {
    opacity: 0.8;
    transform: translateY(0) scale(1);
  }
  50% {
    opacity: 1;
    transform: translateY(-30px) scale(1.02);
  }
}

[data-theme='dark'] body.is-home::before {
  background: linear-gradient(
    180deg,
    rgba(102, 126, 234, 0.05) 0%,
    rgba(102, 126, 234, 0.1) 20%,
    rgba(102, 126, 234, 0.18) 40%,
    rgba(102, 126, 234, 0.28) 70%,
    rgba(102, 126, 234, 0.4) 100%
  );
}

[data-theme='dark'] body.is-home::after {
  background-image:
    radial-gradient(ellipse at 15% 20%, rgba(102, 126, 234, 0.15) 0%, transparent 40%),
    radial-gradient(ellipse at 85% 40%, rgba(118, 75, 162, 0.12) 0%, transparent 35%),
    radial-gradient(ellipse at 40% 70%, rgba(102, 126, 234, 0.2) 0%, transparent 45%),
    radial-gradient(ellipse at 70% 85%, rgba(118, 75, 162, 0.28) 0%, transparent 40%),
    radial-gradient(ellipse at 25% 95%, rgba(102, 126, 234, 0.3) 0%, transparent 35%);
}

/* 首页大标题 */
.home-header {
  text-align: center;
  margin-top: 0;
  margin-bottom: 30px;
  padding-top: 0;
  padding-bottom: 25px;
  border-bottom: 1px solid var(--border-color);
}

.home-title {
  font-size: 2.5em;
  font-weight: 700;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0 0 15px;
  padding: 0;
  border: none;
}

.home-subtitle {
  font-size: 1.1em;
  color: #888;
  margin: 0;
  letter-spacing: 0.5px;
}

[data-theme='dark'] .home-header {
  border-bottom-color: var(--border-color);
}

[data-theme='dark'] .home-subtitle {
  color: #999;
}

/* === 科技感 Hero Banner === */
.hero-banner {
  position: relative;
  background: linear-gradient(135deg, #667eea08 0%, #764ba208 100%);
  border-radius: 20px;
  padding: 60px 40px;
  margin-bottom: 40px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.hero-avatar-wrapper {
  position: relative;
  z-index: 3;
  text-align: center;
  margin-bottom: 25px;
}

.hero-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid white;
  box-shadow: 0 8px 24px rgba(102, 126, 234, 0.25);
  transition: all 0.4s ease;
  animation: avatarFloat 3s ease-in-out infinite;
}

@keyframes avatarFloat {
  0%,
  100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-8px) scale(1.02);
  }
}

.hero-avatar:hover {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 12px 32px rgba(102, 126, 234, 0.4);
}

[data-theme='dark'] .hero-avatar {
  border-color: rgba(102, 126, 234, 0.5);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-radius: 20px;
  font-size: 0.85em;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 20px;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.hero-title {
  font-size: 3em;
  font-weight: 800;
  margin: 0 0 20px;
  line-height: 1.2;
  color: var(--text-color);
}

.gradient-text {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  display: inline-block;
}

.gradient-text::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
  border-radius: 2px;
}

.hero-subtitle {
  font-size: 1.1em;
  color: #666;
  margin: 0 0 35px;
  letter-spacing: 0.5px;
  line-height: 1.6;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 50px;
  margin-top: 30px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.stat-number {
  font-size: 2.2em;
  font-weight: 700;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.stat-label {
  font-size: 0.9em;
  color: #888;
  font-weight: 500;
}

/* 装饰性网格背景 */
.hero-decoration {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  opacity: 0.4;
  pointer-events: none;
}

.tech-grid {
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(102, 126, 234, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(102, 126, 234, 0.1) 1px, transparent 1px);
  background-size: 50px 50px;
}

/* 暗黑模式适配 */
[data-theme='dark'] .hero-banner {
  background: linear-gradient(135deg, #667eea15 0%, #764ba215 100%);
  border-color: var(--border-color);
}

[data-theme='dark'] .hero-subtitle {
  color: #999;
}

[data-theme='dark'] .stat-label {
  color: #999;
}

[data-theme='dark'] .tech-grid {
  background-image:
    linear-gradient(rgba(102, 126, 234, 0.2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(102, 126, 234, 0.2) 1px, transparent 1px);
}

/* 首页 markdown-section 内的图片取消默认 margin/shadow */
body.is-home .markdown-section .profile-avatar {
  box-shadow: 0 4px 12px rgba(66, 185, 131, 0.2) !important;
  margin: 0 auto 12px !important;
}

/* 文章元信息样式 */
.markdown-section > blockquote:first-of-type {
  background: linear-gradient(to right, #f8f9fa, #e9ecef);
  border-left: 4px solid var(--theme-color);
  padding: 15px 20px;
  margin: 20px 0;
  border-radius: 6px;
}

/* === 标题优化 === */
.markdown-section h1 {
  font-size: 2.5em;
  font-weight: 700;
  margin: 1em 0 0.5em;
  padding-bottom: 0.3em;
  border-bottom: 2px solid var(--border-color);
}

.markdown-section h2 {
  font-size: 2em;
  font-weight: 600;
  margin: 1.5em 0 0.8em;
  padding-left: 10px;
  border-left: 4px solid var(--theme-color);
}

.markdown-section h3 {
  font-size: 1.5em;
  font-weight: 600;
  margin: 1.2em 0 0.6em;
}

.markdown-section h4 {
  font-size: 1.25em;
  font-weight: 600;
}

/* === 段落和文本 === */
.markdown-section p {
  margin: 1em 0;
  line-height: 1.8;
}

.markdown-section strong {
  color: var(--theme-color);
  font-weight: 600;
}

/* === 链接样式 === */
.markdown-section a {
  color: var(--theme-color);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: all 0.2s ease;
}

.markdown-section a:hover {
  border-bottom: 1px solid var(--theme-color);
}

/* === 代码块优化 === */
.markdown-section pre,
.markdown-section pre[class*='language-'],
pre[class*='language-'] {
  background: #fafbfc !important;
  border-radius: 8px;
  padding: 20px;
  padding-top: 36px;
  margin: 1.5em 0;
  box-shadow: var(--shadow);
  position: relative;
  border: 1px solid #e1e4e8;
  border-top: 3px solid #6a737d;
  overflow-x: auto;
  overflow-y: visible;
}

.markdown-section pre > code,
.markdown-section pre[class*='language-'] > code,
code[class*='language-'] {
  font-family: 'Fira Code', 'Consolas', Monaco, monospace;
  font-size: 0.9em;
  line-height: 1.6;
  background: transparent !important;
  color: #383a42 !important;
  white-space: pre;
  word-wrap: normal;
  display: block;
}

/* 代码块语言标签 */
.code-lang-label {
  position: absolute;
  top: 0;
  right: 12px;
  padding: 2px 10px;
  font-size: 0.75em;
  font-weight: 600;
  border-radius: 0 0 6px 6px;
  color: #fff;
  background: #6a737d;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  pointer-events: none;
  z-index: 1;
}

/* 各语言专属颜色 - 亮色模式 */
pre[data-lang='bash'],
pre[data-lang='shell'],
pre[data-lang='sh'] {
  border-top-color: #4eaa25 !important;
}
pre[data-lang='bash'] .code-lang-label,
pre[data-lang='shell'] .code-lang-label,
pre[data-lang='sh'] .code-lang-label {
  background: #4eaa25;
}

pre[data-lang='javascript'],
pre[data-lang='js'] {
  border-top-color: #f7df1e !important;
}
pre[data-lang='javascript'] .code-lang-label,
pre[data-lang='js'] .code-lang-label {
  background: #f7df1e;
  color: #333;
}

pre[data-lang='typescript'],
pre[data-lang='ts'] {
  border-top-color: #3178c6 !important;
}
pre[data-lang='typescript'] .code-lang-label,
pre[data-lang='ts'] .code-lang-label {
  background: #3178c6;
}

pre[data-lang='python'],
pre[data-lang='py'] {
  border-top-color: #3572a5 !important;
}
pre[data-lang='python'] .code-lang-label,
pre[data-lang='py'] .code-lang-label {
  background: #3572a5;
}

pre[data-lang='java'] {
  border-top-color: #b07219 !important;
}
pre[data-lang='java'] .code-lang-label {
  background: #b07219;
}

pre[data-lang='c'] {
  border-top-color: #555555 !important;
}
pre[data-lang='c'] .code-lang-label {
  background: #555555;
}

pre[data-lang='cpp'],
pre[data-lang='c++'] {
  border-top-color: #f34b7d !important;
}
pre[data-lang='cpp'] .code-lang-label,
pre[data-lang='c++'] .code-lang-label {
  background: #f34b7d;
}

pre[data-lang='objectivec'],
pre[data-lang='objc'],
pre[data-lang='objective-c'] {
  border-top-color: #438eff !important;
}
pre[data-lang='objectivec'] .code-lang-label,
pre[data-lang='objc'] .code-lang-label,
pre[data-lang='objective-c'] .code-lang-label {
  background: #438eff;
}

pre[data-lang='swift'] {
  border-top-color: #f05138 !important;
}
pre[data-lang='swift'] .code-lang-label {
  background: #f05138;
}

pre[data-lang='kotlin'],
pre[data-lang='kt'] {
  border-top-color: #7f52ff !important;
}
pre[data-lang='kotlin'] .code-lang-label,
pre[data-lang='kt'] .code-lang-label {
  background: #7f52ff;
}

pre[data-lang='go'],
pre[data-lang='golang'] {
  border-top-color: #00add8 !important;
}
pre[data-lang='go'] .code-lang-label,
pre[data-lang='golang'] .code-lang-label {
  background: #00add8;
}

pre[data-lang='rust'],
pre[data-lang='rs'] {
  border-top-color: #dea584 !important;
}
pre[data-lang='rust'] .code-lang-label,
pre[data-lang='rs'] .code-lang-label {
  background: #dea584;
  color: #333;
}

pre[data-lang='css'] {
  border-top-color: #563d7c !important;
}
pre[data-lang='css'] .code-lang-label {
  background: #563d7c;
}

pre[data-lang='scss'],
pre[data-lang='sass'] {
  border-top-color: #c6538c !important;
}
pre[data-lang='scss'] .code-lang-label,
pre[data-lang='sass'] .code-lang-label {
  background: #c6538c;
}

pre[data-lang='html'] {
  border-top-color: #e34c26 !important;
}
pre[data-lang='html'] .code-lang-label {
  background: #e34c26;
}

pre[data-lang='json'] {
  border-top-color: #292929 !important;
}
pre[data-lang='json'] .code-lang-label {
  background: #292929;
}

pre[data-lang='yaml'],
pre[data-lang='yml'] {
  border-top-color: #cb171e !important;
}
pre[data-lang='yaml'] .code-lang-label,
pre[data-lang='yml'] .code-lang-label {
  background: #cb171e;
}

pre[data-lang='sql'] {
  border-top-color: #e38c00 !important;
}
pre[data-lang='sql'] .code-lang-label {
  background: #e38c00;
}

pre[data-lang='ruby'],
pre[data-lang='rb'] {
  border-top-color: #701516 !important;
}
pre[data-lang='ruby'] .code-lang-label,
pre[data-lang='rb'] .code-lang-label {
  background: #701516;
}

pre[data-lang='php'] {
  border-top-color: #4f5d95 !important;
}
pre[data-lang='php'] .code-lang-label {
  background: #4f5d95;
}

pre[data-lang='docker'],
pre[data-lang='dockerfile'] {
  border-top-color: #384d54 !important;
}
pre[data-lang='docker'] .code-lang-label,
pre[data-lang='dockerfile'] .code-lang-label {
  background: #384d54;
}

pre[data-lang='diff'] {
  border-top-color: #e6db74 !important;
}
pre[data-lang='diff'] .code-lang-label {
  background: #e6db74;
  color: #333;
}

pre[data-lang='markdown'],
pre[data-lang='md'] {
  border-top-color: #083fa1 !important;
}
pre[data-lang='markdown'] .code-lang-label,
pre[data-lang='md'] .code-lang-label {
  background: #083fa1;
}

pre[data-lang='nginx'] {
  border-top-color: #009639 !important;
}
pre[data-lang='nginx'] .code-lang-label {
  background: #009639;
}

/* 亮色模式语法高亮 */
.markdown-section .token.comment,
.markdown-section .token.prolog,
.markdown-section .token.doctype,
.markdown-section .token.cdata {
  color: #a0a1a7 !important;
  font-style: italic;
}
.markdown-section .token.punctuation {
  color: #383a42 !important;
}
.markdown-section .token.namespace {
  opacity: 0.7;
}
.markdown-section .token.property,
.markdown-section .token.tag,
.markdown-section .token.boolean,
.markdown-section .token.number,
.markdown-section .token.constant,
.markdown-section .token.symbol,
.markdown-section .token.deleted {
  color: #e45649 !important;
}
.markdown-section .token.selector,
.markdown-section .token.attr-name,
.markdown-section .token.string,
.markdown-section .token.char,
.markdown-section .token.builtin,
.markdown-section .token.inserted {
  color: #50a14f !important;
}
.markdown-section .token.operator,
.markdown-section .token.entity,
.markdown-section .token.url {
  color: #0184bc !important;
}
.markdown-section .token.atrule,
.markdown-section .token.attr-value,
.markdown-section .token.keyword {
  color: #a626a4 !important;
}
.markdown-section .token.function,
.markdown-section .token.class-name {
  color: #4078f2 !important;
}
.markdown-section .token.regex,
.markdown-section .token.important,
.markdown-section .token.variable {
  color: #c18401 !important;
}
.markdown-section .token.decorator,
.markdown-section .token.annotation {
  color: #e45649 !important;
}

/* diff 语言专属颜色 */
.markdown-section .token.inserted-sign,
.markdown-section .token.inserted {
  color: #22863a !important;
  background: #f0fff4 !important;
}
.markdown-section .token.deleted-sign,
.markdown-section .token.deleted {
  color: #b31d28 !important;
  background: #ffeef0 !important;
}

/* 行内代码 */
.markdown-section code {
  background: #f0f2f5;
  padding: 3px 8px;
  border-radius: 4px;
  font-family: 'Fira Code', 'Consolas', Monaco, monospace;
  font-size: 0.9em;
  color: #e45649;
  border: 1px solid #e1e4e8;
}

.markdown-section pre code {
  background: transparent !important;
  padding: 0;
  color: inherit;
  border: none;
}

/* === 暗黑模式代码块 === */
[data-theme='dark'] .markdown-section pre,
[data-theme='dark'] .markdown-section pre[class*='language-'],
[data-theme='dark'] pre[class*='language-'] {
  background: #1e1e2e !important;
  border-color: #313244;
  border-top-color: #6a737d;
}

[data-theme='dark'] .markdown-section pre > code,
[data-theme='dark'] .markdown-section pre[class*='language-'] > code,
[data-theme='dark'] code[class*='language-'] {
  color: #cdd6f4 !important;
}

[data-theme='dark'] .markdown-section .token.comment,
[data-theme='dark'] .markdown-section .token.prolog,
[data-theme='dark'] .markdown-section .token.doctype,
[data-theme='dark'] .markdown-section .token.cdata {
  color: #6c7086 !important;
  font-style: italic;
}
[data-theme='dark'] .markdown-section .token.punctuation {
  color: #bac2de !important;
}
[data-theme='dark'] .markdown-section .token.property,
[data-theme='dark'] .markdown-section .token.tag,
[data-theme='dark'] .markdown-section .token.boolean,
[data-theme='dark'] .markdown-section .token.number,
[data-theme='dark'] .markdown-section .token.constant,
[data-theme='dark'] .markdown-section .token.symbol,
[data-theme='dark'] .markdown-section .token.deleted {
  color: #f38ba8 !important;
}
[data-theme='dark'] .markdown-section .token.selector,
[data-theme='dark'] .markdown-section .token.attr-name,
[data-theme='dark'] .markdown-section .token.string,
[data-theme='dark'] .markdown-section .token.char,
[data-theme='dark'] .markdown-section .token.builtin,
[data-theme='dark'] .markdown-section .token.inserted {
  color: #a6e3a1 !important;
}
[data-theme='dark'] .markdown-section .token.operator,
[data-theme='dark'] .markdown-section .token.entity,
[data-theme='dark'] .markdown-section .token.url {
  color: #89dceb !important;
}
[data-theme='dark'] .markdown-section .token.atrule,
[data-theme='dark'] .markdown-section .token.attr-value,
[data-theme='dark'] .markdown-section .token.keyword {
  color: #cba6f7 !important;
}
[data-theme='dark'] .markdown-section .token.function,
[data-theme='dark'] .markdown-section .token.class-name {
  color: #89b4fa !important;
}
[data-theme='dark'] .markdown-section .token.regex,
[data-theme='dark'] .markdown-section .token.important,
[data-theme='dark'] .markdown-section .token.variable {
  color: #fab387 !important;
}
[data-theme='dark'] .markdown-section .token.decorator,
[data-theme='dark'] .markdown-section .token.annotation {
  color: #f38ba8 !important;
}

/* 暗黑模式 diff 专属 */
[data-theme='dark'] .markdown-section .token.inserted-sign,
[data-theme='dark'] .markdown-section .token.inserted {
  color: #a6e3a1 !important;
  background: rgba(166, 227, 161, 0.1) !important;
}
[data-theme='dark'] .markdown-section .token.deleted-sign,
[data-theme='dark'] .markdown-section .token.deleted {
  color: #f38ba8 !important;
  background: rgba(243, 139, 168, 0.1) !important;
}

[data-theme='dark'] .markdown-section code {
  background: #1e1e2e;
  border-color: #313244;
  color: #f38ba8;
}

/* === 引用块优化 === */
.markdown-section blockquote {
  background: linear-gradient(to right, #f8f9fa, transparent);
  border-left: 4px solid var(--theme-color);
  margin: 1.5em 0;
  padding: 1em 1.5em;
  border-radius: 4px;
  color: var(--text-color);
}

.markdown-section blockquote p {
  margin: 0.5em 0;
}

[data-theme='dark'] .markdown-section blockquote {
  background: transparent;
}

/* === 列表优化 === */
.markdown-section ul,
.markdown-section ol {
  padding-left: 2em;
  margin: 1em 0;
}

.markdown-section li {
  margin: 0.5em 0;
  line-height: 1.8;
}

.markdown-section ul li {
  list-style-type: disc;
}

/* 任务列表 */
.markdown-section input[type='checkbox'] {
  margin-right: 8px;
  cursor: pointer;
}

/* === 表格优化 === */
.markdown-section table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  box-shadow: var(--shadow);
  border-radius: 8px;
  overflow: hidden;
}

.markdown-section th {
  background: var(--theme-color);
  color: white;
  padding: 12px 15px;
  text-align: left;
  font-weight: 600;
}

.markdown-section td {
  padding: 12px 15px;
  border-bottom: 1px solid var(--border-color);
}

.markdown-section tr:hover {
  background: var(--sidebar-bg);
}

/* === 图片优化 === */
.markdown-section img {
  max-width: 100%;
  border-radius: 8px;
  box-shadow: var(--shadow);
  margin: 1.5em 0;
  transition: transform 0.3s ease;
}

.markdown-section img:hover {
  transform: scale(1.02);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

/* === 分隔线 === */
.markdown-section hr {
  border: none;
  border-top: 2px solid var(--border-color);
  margin: 2em 0;
}

/* === 标签云样式 === */
.tag-cloud a {
  display: inline-block;
  padding: 6px 16px;
  margin: 5px;
  background: var(--sidebar-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  color: var(--text-color);
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 0.9em;
}

.tag-cloud a:hover {
  background: var(--theme-color);
  color: white;
  border-color: var(--theme-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

/* === 徽章样式（仅行内代码，排除代码块内的 code） === */
.markdown-section > p code[class*='lang-'],
.markdown-section > li code[class*='lang-'],
.markdown-section > blockquote code[class*='lang-'] {
  background: var(--theme-color);
  color: white;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.85em;
  font-weight: 500;
}

/* === 响应式设计 === */
@media screen and (max-width: 768px) {
  .markdown-section {
    padding: 20px 30px;
  }

  .markdown-section h1 {
    font-size: 2em;
  }

  .markdown-section h2 {
    font-size: 1.6em;
  }

  section.cover h1 {
    font-size: 2.5em;
  }

  .app-nav {
    padding: 10px 20px 10px 0;
  }
}

/* === 打印样式 === */
@media print {
  .sidebar,
  .app-nav,
  .github-corner {
    display: none;
  }

  .markdown-section {
    max-width: 100%;
  }
}

/* ========================================
   首页专属样式 - 卡片式文章列表
   ======================================== */

/* === Hero Section === */
.hero-section {
  text-align: center;
  padding: 40px 20px;
  background: linear-gradient(135deg, #667eea15 0%, #764ba215 100%);
  border-radius: 12px;
  margin: 20px 0 40px;
}

.hero-section h2 {
  font-size: 2em;
  margin: 0 0 15px;
  border: none;
  padding: 0;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-section p {
  font-size: 1.1em;
  color: #666;
  margin: 0;
}

/* === 文章列表容器 === */
.post-list {
  display: grid;
  gap: 20px;
  margin: 0;
}

/* 非首页文章列表保留上下间距 */
.post-list:not(.home-layout .post-list) {
  margin: 20px 0;
}

/* === 文章卡片样式 === */
.post-card {
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px 25px;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
}

.post-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  transition: height 0.3s ease;
}

.post-card::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(102, 126, 234, 0.05) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
}

.post-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 32px rgba(102, 126, 234, 0.15);
  border-color: rgba(102, 126, 234, 0.3);
}

.post-card:hover::before {
  height: 100%;
}

.post-card:hover::after {
  opacity: 1;
}

/* === 文章元信息 === */
.post-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}

.post-date {
  font-size: 0.85em;
  color: #888;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.post-date::before {
  content: '📅';
  display: none;
}

.post-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.post-tags .tag {
  display: inline-block;
  padding: 4px 12px;
  background: linear-gradient(135deg, #667eea15, #764ba215);
  color: var(--theme-color);
  border-radius: 6px;
  font-size: 0.8em;
  font-weight: 500;
  transition: all 0.3s ease;
  border: 1px solid rgba(102, 126, 234, 0.2);
  position: relative;
  overflow: hidden;
}

.post-tags .tag::before {
  content: '#';
  margin-right: 2px;
  opacity: 0.6;
}

.post-tags .tag::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s ease;
}

.post-tags .tag:hover {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
  border-color: transparent;
}

.post-tags .tag:hover::after {
  left: 100%;
}

/* === 文章标题 === */
.post-title {
  margin: 10px 0;
  font-size: 1.4em;
  font-weight: 600;
  line-height: 1.4;
}

.post-title a {
  color: var(--text-color);
  text-decoration: none;
  border: none;
  transition: color 0.3s ease;
}

.post-title a:hover {
  color: var(--theme-color);
}

/* === 文章摘要 === */
.post-excerpt {
  color: #666;
  line-height: 1.7;
  margin: 12px 0;
  font-size: 0.9em;
}

/* === 文章底部 === */
.post-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 15px;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
}

.read-more {
  color: var(--theme-color);
  font-weight: 600;
  font-size: 0.85em;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  position: relative;
}

.read-more::after {
  content: '→';
  transition: transform 0.3s ease;
}

.read-more:hover::after {
  transform: translateX(5px);
}

.read-time {
  font-size: 0.8em;
  color: #888;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.read-time::before {
  content: '⏱️';
  display: none;
}

/* === 分页导航 === */
.pagination {
  margin: 40px 0 30px;
  text-align: center;
}

.page-info {
  display: block;
  color: #888;
  font-size: 0.9em;
  margin-bottom: 20px;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.page-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
}

.page-btn {
  padding: 10px 24px;
  border: 1px solid var(--border-color);
  background: var(--bg-color);
  color: var(--text-color);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.9em;
  font-weight: 500;
  position: relative;
  overflow: hidden;
}

.page-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  transition: left 0.3s ease;
  z-index: -1;
}

.page-btn:hover:not(.disabled) {
  color: white;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.page-btn:hover:not(.disabled)::before {
  left: 0;
}

.page-btn.disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.page-numbers {
  display: flex;
  gap: 6px;
}

.page-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 8px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
  background: var(--bg-color);
  color: var(--text-color);
  position: relative;
  overflow: hidden;
}

.page-number::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.page-number:hover {
  border-color: transparent;
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.page-number:hover::before {
  opacity: 1;
}

.page-number.active {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

/* === 标签云样式（首页） === */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 20px 0;
}

.tag-item {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  background: var(--sidebar-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  color: var(--text-color);
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 0.9em;
}

.tag-item sup {
  margin-left: 5px;
  background: var(--theme-color);
  color: white;
  padding: 2px 6px;
  border-radius: 10px;
  font-size: 0.75em;
  font-weight: 600;
}

.tag-item:hover {
  background: var(--theme-color);
  color: white;
  border-color: var(--theme-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.tag-item:hover sup {
  background: rgba(255, 255, 255, 0.3);
}

/* === 统计卡片 === */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin: 30px 0;
}

.stat-card {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 20px;
  background: var(--sidebar-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: all 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
  border-color: var(--theme-color);
}

.stat-icon {
  font-size: 2.5em;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea15, #764ba215);
  border-radius: 12px;
}

.stat-info {
  flex: 1;
}

.stat-number {
  font-size: 1.5em;
  font-weight: 700;
  color: var(--theme-color);
  margin-bottom: 5px;
}

.stat-label {
  font-size: 0.9em;
  color: #888;
}

/* === 关于简介 === */
.about-brief {
  background: linear-gradient(135deg, #667eea08 0%, #764ba208 100%);
  border-left: 4px solid var(--theme-color);
  padding: 25px 30px;
  border-radius: 8px;
  margin: 20px 0;
}

.about-brief p {
  margin: 12px 0;
  line-height: 1.8;
}

.about-brief strong {
  color: var(--theme-color);
  font-size: 1.1em;
}

.btn-primary {
  display: inline-block;
  padding: 10px 24px;
  background: var(--theme-color);
  color: white !important;
  border-radius: 25px;
  text-decoration: none;
  transition: all 0.3s ease;
  margin-top: 10px;
  border: none !important;
}

.btn-primary:hover {
  background: var(--theme-color-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(66, 185, 131, 0.3);
}

/* === 底部链接 === */
.footer-links {
  text-align: center;
  padding: 30px 0;
  color: #999;
  font-size: 0.95em;
}

.footer-links a {
  color: var(--theme-color);
  text-decoration: none;
  transition: all 0.2s ease;
}

.footer-links a:hover {
  color: var(--theme-color-dark);
}

.footer-links span {
  margin: 0 10px;
  color: #ddd;
}

/* === 底部信息（简化版）=== */
.footer-info {
  text-align: center;
  padding: 30px 0;
  margin-top: 20px;
  border-top: 1px solid var(--border-color);
}

.footer-info p {
  color: #888;
  font-size: 0.95em;
  margin: 0;
}

.footer-info a {
  color: var(--theme-color);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.2s ease;
}

.footer-info a:hover {
  color: var(--theme-color-dark);
  text-decoration: underline;
}

/* === 首页移动端适配 === */
@media screen and (max-width: 768px) {
  .hero-section {
    padding: 30px 15px;
  }

  .hero-section h2 {
    font-size: 1.5em;
  }

  /* Hero Banner 响应式 */
  .hero-banner {
    padding: 40px 25px;
    margin-bottom: 30px;
  }

  .hero-title {
    font-size: 2.2em;
  }

  .hero-subtitle {
    font-size: 1em;
  }

  .hero-stats {
    gap: 30px;
    flex-wrap: wrap;
  }

  .stat-number {
    font-size: 1.8em;
  }

  .stat-label {
    font-size: 0.85em;
  }

  .post-card {
    padding: 20px;
  }

  .post-title {
    font-size: 1.3em;
  }

  .post-meta {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .tag-cloud {
    gap: 8px;
  }

  .tag-item {
    font-size: 0.85em;
    padding: 6px 12px;
  }
}

/* ========================================
   首页双栏布局 - 文章列表 + 个人简介侧栏
   ======================================== */

/* === 首页整体布局 === */
.home-layout {
  display: flex;
  gap: 30px;
  align-items: flex-start;
}

.home-layout .post-list {
  flex: 1;
  min-width: 0;
  margin-top: 0;
  padding-top: 0;
}

/* post-card 在 home-layout 下首张卡片顶部不留多余间距 */
.home-layout .post-list .post-card:first-child {
  margin-top: 0;
}

/* === 个人简介侧栏 === */
.profile-sidebar {
  width: 280px;
  flex-shrink: 0;
  position: sticky;
  top: 70px;
  margin-top: 0 !important;
}

.profile-card {
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 25px 20px;
  text-align: center;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  transition: box-shadow 0.3s ease;
  margin-top: 0 !important;
}

.profile-card:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* 头像 */
.profile-avatar {
  width: 90px !important;
  height: 90px !important;
  border-radius: 50% !important;
  object-fit: cover;
  border: 3px solid var(--theme-color) !important;
  box-shadow: 0 4px 12px rgba(66, 185, 131, 0.2) !important;
  margin: 0 auto 12px !important;
  display: block;
  transition: transform 0.3s ease !important;
}

.profile-avatar:hover {
  transform: scale(1.08) !important;
}

/* 名称 */
.profile-name {
  font-size: 1.15em !important;
  font-weight: 700;
  margin: 8px 0 6px !important;
  color: var(--text-color);
  border: none !important;
  padding: 0 !important;
}

/* 简介 */
.profile-bio {
  font-size: 0.85em !important;
  color: #888;
  margin: 0 0 16px !important;
  line-height: 1.6;
}

/* 统计 */
.profile-stats {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 16px;
  padding: 12px 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.profile-stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.profile-stat-num {
  font-size: 1.2em;
  font-weight: 700;
  color: var(--theme-color);
}

.profile-stat-label {
  font-size: 0.75em;
  color: #999;
  margin-top: 2px;
}

/* 标签 */
.profile-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  margin-bottom: 16px;
}

.profile-tags .tag {
  display: inline-block;
  padding: 3px 10px;
  background: linear-gradient(135deg, #667eea15, #764ba215);
  color: var(--theme-color);
  border-radius: 12px;
  font-size: 0.75em;
  font-weight: 500;
  transition: all 0.2s ease;
}

.profile-tags .tag:hover {
  background: var(--theme-color);
  color: white;
}

/* 链接 */
.profile-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.profile-links a {
  display: block;
  padding: 8px 16px;
  background: var(--theme-color);
  color: white !important;
  border-radius: 20px;
  font-size: 0.85em;
  font-weight: 500;
  text-decoration: none !important;
  transition: all 0.3s ease;
  border: none !important;
}

.profile-links a:hover {
  background: var(--theme-color-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(66, 185, 131, 0.3);
}

/* === 首页移动端适配 - 双栏变单栏 === */
@media screen and (max-width: 900px) {
  .home-layout {
    flex-direction: column;
  }

  .profile-sidebar {
    width: 100%;
    position: static;
    order: -1;
  }

  .profile-card {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    text-align: left;
    gap: 12px;
    padding: 20px;
  }

  .profile-avatar {
    width: 60px !important;
    height: 60px !important;
    margin: 0 !important;
  }

  .profile-name {
    margin: 0 !important;
    flex: 1;
  }

  .profile-bio {
    width: 100%;
    margin: 0 !important;
  }

  .profile-stats {
    width: 100%;
  }

  .profile-tags {
    justify-content: flex-start;
  }

  .profile-links {
    width: 100%;
    flex-direction: row;
  }

  .profile-links a {
    flex: 1;
    text-align: center;
  }
}

/* ========================================
   网站底部版权信息
   ======================================== */

.site-footer {
  margin-top: 60px;
  padding: 25px 20px;
  background: var(--bg-color);
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
}

.site-footer .copyright {
  font-size: 0.85em;
  color: #999;
  margin: 0 0 6px;
}

.site-footer .powered-by {
  font-size: 0.78em;
  color: #bbb;
  margin: 0;
}

.site-footer .powered-by a {
  color: var(--theme-color);
  text-decoration: none;
}

.site-footer .powered-by a:hover {
  text-decoration: underline;
}

/* 暗黑模式底部样式 */
[data-theme='dark'] .site-footer {
  background: #1a1a1a;
}

[data-theme='dark'] .site-footer .copyright {
  color: #777;
}

[data-theme='dark'] .site-footer .powered-by {
  color: #666;
}

/* === 首页页脚样式 === */
.home-footer {
  margin-top: 60px;
  padding: 30px 0;
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.home-footer .footer-content {
  max-width: 1200px;
  margin: 0 auto;
}

.home-footer .copyright {
  font-size: 0.9em;
  color: #888;
  margin: 0 0 8px;
}

.home-footer .powered-by {
  font-size: 0.85em;
  color: #999;
  margin: 0;
}

.home-footer .powered-by a {
  color: var(--theme-color);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
}

.home-footer .powered-by a:hover {
  color: var(--theme-color-dark);
  text-decoration: underline;
}

[data-theme='dark'] .home-footer {
  border-top-color: var(--border-color);
}

[data-theme='dark'] .home-footer .copyright {
  color: #777;
}

[data-theme='dark'] .home-footer .powered-by {
  color: #666;
}

/* === 首页背景粒子动画 === */
.particles-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.particle {
  position: absolute;
  background: radial-gradient(circle, rgba(102, 126, 234, 0.6) 0%, rgba(102, 126, 234, 0) 70%);
  border-radius: 50%;
  animation: particleFloat linear infinite;
}

@keyframes particleFloat {
  0% {
    transform: translate(0, 0) scale(1);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translate(calc(var(--tx, 50px)), calc(var(--ty, -100vh))) scale(0);
    opacity: 0;
  }
}

.particle:nth-child(odd) {
  --tx: 30px;
  --ty: -120vh;
}

.particle:nth-child(even) {
  --tx: -40px;
  --ty: -110vh;
}

.particle:nth-child(3n) {
  --tx: 60px;
  --ty: -115vh;
  background: radial-gradient(circle, rgba(118, 75, 162, 0.6) 0%, rgba(118, 75, 162, 0) 70%);
}

.particle:nth-child(4n) {
  --tx: -20px;
  --ty: -125vh;
}

.particle:nth-child(5n) {
  --tx: 45px;
  --ty: -118vh;
}

[data-theme='dark'] .particle {
  background: radial-gradient(circle, rgba(102, 126, 234, 0.8) 0%, rgba(102, 126, 234, 0) 70%);
}

[data-theme='dark'] .particle:nth-child(3n) {
  background: radial-gradient(circle, rgba(118, 75, 162, 0.8) 0%, rgba(118, 75, 162, 0) 70%);
}