/* ============================================
   Kilo Code 中文文档 - 全局样式
   仿照 kilo.ai/docs 原站风格
   ============================================ */

/* --- 1. CSS 自定义属性（主题变量） --- */
:root {
  --bg-primary: #fafafa;
  --bg-secondary: #f0f0ee;
  --bg-sidebar: #fafafa;
  --bg-code: #1e1e1e;
  --bg-code-header: #2d2d2d;
  --bg-card: #ffffff;
  --bg-hover: rgba(0,0,0,0.04);
  --text-primary: #3c4257;
  --text-header: #1a1a18;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;
  --text-brand: #1a1a18;
  --text-brand-hover: #333;
  --text-link: #5a7ab5;
  --text-link-hover: #4a6a9f;
  --brand-yellow: #f8f674;
  --brand-yellow-hover: #ffff8d;
  --accent-purple: #7c3aed;
  --accent-purple-hover: #6d28d9;
  --border-color: #e5e7eb;
  --border-light: #f0f0f0;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --sidebar-width: 260px;
  --toc-width: 220px;
  --header-height: 56px;
  --nav-height: 44px;
  --top-nav-height: 100px;
  --font-brand: 'JetBrains Mono', monospace;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, Monaco, monospace;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.2s ease;
  --transition-slow: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --bg-primary: #1a1a18;
  --bg-secondary: #262624;
  --bg-sidebar: #1f1f1d;
  --bg-code: #1e1e1e;
  --bg-code-header: #2d2d2d;
  --bg-card: #262624;
  --bg-hover: rgba(255,255,255,0.06);
  --text-primary: #d1d5db;
  --text-header: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --text-brand: #f8f674;
  --text-brand-hover: #ffff8d;
  --text-link: #93c5fd;
  --text-link-hover: #bfdbfe;
  --accent-purple: #f8f674;
  --accent-purple-hover: #eef064;
  --border-color: #3a3a38;
  --border-light: #2a2a28;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.4);
}

/* --- 2. 基础重置与排版 --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
}

a {
  color: var(--text-link);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--text-link-hover); }

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

h1, h2, h3, h4, h5, h6 {
  color: var(--text-header);
  line-height: 1.3;
  font-weight: 600;
}

h1 { font-size: 2.25rem; font-weight: 700; margin: 0 0 1rem; font-family: var(--font-brand); }
h2 { font-size: 1.75rem; margin: 2.5rem 0 1rem; padding-bottom: 0.5rem; border-bottom: 1px solid var(--border-color); }
h3 { font-size: 1.25rem; margin: 2rem 0 0.75rem; }
h4 { font-size: 1.1rem; margin: 1.5rem 0 0.5rem; }

p { margin: 0.75em 0; }

ul, ol { padding-left: 1.5em; margin: 0.75em 0; line-height: 1.75; }
li { margin: 0.25em 0; }

strong { font-weight: 600; }

code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--bg-secondary);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  color: var(--text-primary);
}

pre {
  background: var(--bg-code);
  border-radius: var(--radius-md);
  padding: 0;
  margin: 1em 0;
  overflow-x: auto;
  position: relative;
}

pre code {
  display: block;
  padding: 1rem 1.25rem;
  font-size: 0.875rem;
  line-height: 1.6;
  color: #e5e5e5;
  background: none;
  overflow-x: auto;
}

blockquote {
  border-left: 3px solid var(--accent-purple);
  padding: 0.5em 1em;
  margin: 1em 0;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1em 0;
  font-size: 0.9375rem;
}

th, td {
  padding: 0.625rem 1rem;
  border: 1px solid var(--border-color);
  text-align: left;
}

th {
  background: var(--bg-secondary);
  font-weight: 600;
  color: var(--text-header);
}

hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 2rem 0;
}

/* --- 3. 布局系统 --- */
.page-layout {
  display: flex;
  min-height: 100vh;
  padding-top: var(--top-nav-height);
}

/* --- 4. 顶部导航栏 --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  height: var(--header-height);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.sidebar-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.25rem;
  border-radius: var(--radius-sm);
}
.sidebar-toggle:hover { background: var(--bg-hover); }

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--text-brand);
}

.logo-icon {
  width: 28px;
  height: 28px;
  background: var(--brand-yellow);
  color: #1a1a18;
  font-weight: 700;
  font-size: 1rem;
  font-family: var(--font-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
}

[data-theme="dark"] .logo-icon {
  background: var(--brand-yellow);
}

.logo-text {
  font-family: var(--font-brand);
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.logo-badge {
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--text-secondary);
  margin-left: 0.25rem;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.search-btn, .theme-toggle {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.375rem 0.625rem;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  display: flex;
  align-items: center;
  gap: 0.375rem;
  transition: all var(--transition-fast);
}
.search-btn:hover, .theme-toggle:hover {
  color: var(--text-primary);
  border-color: var(--text-secondary);
}

.search-btn kbd {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  background: var(--bg-secondary);
  padding: 0.1em 0.35em;
  border-radius: 3px;
  border: 1px solid var(--border-color);
}

.header-nav {
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  height: var(--nav-height);
  border-top: 1px solid var(--border-light);
  gap: 0.25rem;
  overflow-x: auto;
}

.header-nav a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: all var(--transition-fast);
  text-decoration: none;
}
.header-nav a:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}
.header-nav a.active {
  color: var(--text-brand);
  background: var(--bg-hover);
}
[data-theme="dark"] .header-nav a.active {
  color: var(--brand-yellow);
}

/* --- 5. 侧边栏 --- */
.sidebar {
  position: fixed;
  top: var(--top-nav-height);
  left: 0;
  width: var(--sidebar-width);
  height: calc(100vh - var(--top-nav-height));
  overflow-y: auto;
  border-right: 1px solid var(--border-color);
  background: var(--bg-sidebar);
  padding: 0.75rem 0;
  z-index: 30;
  transition: transform var(--transition-slow), background-color var(--transition-normal);
}

.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 2px; }

.sidebar-section { margin-bottom: 0.25rem; }

.sidebar-section-title {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  padding: 0.75rem 1rem 0.375rem;
}

.sidebar-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.375rem 1rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 0;
  transition: all var(--transition-fast);
  line-height: 1.4;
}
.sidebar-link:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}
.sidebar-link.active {
  color: var(--accent-purple);
  font-weight: 500;
  background: var(--bg-hover);
}
[data-theme="dark"] .sidebar-link.active {
  color: var(--brand-yellow);
}

.sidebar-link .arrow {
  font-size: 0.75rem;
  opacity: 0.5;
  transition: transform var(--transition-fast);
}

.sidebar-sub { padding-left: 0.75rem; }
.sidebar-sub .sidebar-link {
  font-size: 0.8125rem;
  padding: 0.25rem 1rem 0.25rem 1.5rem;
  border-left: 2px solid transparent;
}
.sidebar-sub .sidebar-link.active {
  border-left-color: var(--accent-purple);
}
[data-theme="dark"] .sidebar-sub .sidebar-link.active {
  border-left-color: var(--brand-yellow);
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 25;
}

/* --- 6. 内容区域 --- */
.content {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: calc(100vh - var(--top-nav-height));
  overflow-y: auto;
}

.doc-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 2.5rem 4rem;
}

.doc-content h1 { margin-top: 0; }

.doc-content ul, .doc-content ol { padding-left: 1.5em; }
.doc-content li { margin: 0.3em 0; }
.doc-content li > ul, .doc-content li > ol { margin: 0.25em 0; }

.doc-content a { color: var(--text-link); text-decoration: underline; text-underline-offset: 2px; }
.doc-content a:hover { color: var(--text-link-hover); }

.doc-content img {
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  margin: 1rem 0;
}

/* 代码块容器 */
.code-block {
  position: relative;
  margin: 1em 0;
}

.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-code-header);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  font-size: 0.75rem;
  color: #888;
}

.code-block-lang {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.copy-btn {
  background: none;
  border: none;
  color: #888;
  cursor: pointer;
  font-size: 0.75rem;
  padding: 0.2em 0.5em;
  border-radius: 4px;
  transition: all var(--transition-fast);
}
.copy-btn:hover { color: #e5e5e5; background: rgba(255,255,255,0.1); }

.code-block pre {
  margin: 0;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* 提示框 */
.callout {
  padding: 0.875rem 1rem;
  margin: 1em 0;
  border-radius: var(--radius-md);
  border-left: 3px solid;
  font-size: 0.9375rem;
}

.callout-title {
  font-weight: 600;
  margin-bottom: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.callout-info { border-color: #3b82f6; background: rgba(59,130,246,0.08); }
.callout-info .callout-title { color: #3b82f6; }

.callout-tip { border-color: #22c55e; background: rgba(34,197,94,0.08); }
.callout-tip .callout-title { color: #22c55e; }

.callout-warning { border-color: #f59e0b; background: rgba(245,158,11,0.08); }
.callout-warning .callout-title { color: #f59e0b; }

.callout-note { border-color: #6b7280; background: var(--bg-secondary); }
.callout-note .callout-title { color: var(--text-secondary); }

[data-theme="dark"] .callout-info { background: rgba(59,130,246,0.12); }
[data-theme="dark"] .callout-tip { background: rgba(34,197,94,0.12); }
[data-theme="dark"] .callout-warning { background: rgba(245,158,11,0.12); }

/* 标签页 */
.tabs { margin: 1em 0; }

.tab-list {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  gap: 0;
  overflow-x: auto;
}

.tab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
  font-family: var(--font-body);
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active {
  color: var(--text-brand);
  border-bottom-color: var(--accent-purple);
  font-weight: 500;
}
[data-theme="dark"] .tab-btn.active {
  color: var(--brand-yellow);
  border-bottom-color: var(--brand-yellow);
}

.tab-panel { display: none; padding: 1rem 0; }
.tab-panel.active { display: block; }

/* --- 7. 右侧 TOC --- */
.toc {
  position: fixed;
  top: var(--top-nav-height);
  right: 0;
  width: var(--toc-width);
  height: calc(100vh - var(--top-nav-height));
  overflow-y: auto;
  padding: 2rem 1rem 2rem 0.5rem;
  border-left: 1px solid var(--border-light);
}

.toc-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.toc-nav a {
  display: block;
  font-size: 0.8125rem;
  color: var(--text-muted);
  padding: 0.2rem 0.5rem;
  border-left: 2px solid var(--border-color);
  text-decoration: none;
  line-height: 1.5;
  transition: all var(--transition-fast);
}
.toc-nav a:hover {
  color: var(--text-secondary);
  border-left-color: var(--text-secondary);
}
.toc-nav a.active {
  color: var(--accent-purple);
  border-left-color: var(--accent-purple);
  font-weight: 500;
}
[data-theme="dark"] .toc-nav a.active {
  color: var(--brand-yellow);
  border-left-color: var(--brand-yellow);
}

.toc-nav .toc-h3 {
  padding-left: 1.25rem;
  font-size: 0.75rem;
}

/* --- 8. 首页样式 --- */
.homepage {
  padding-top: var(--top-nav-height);
}

.home-hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2rem 3rem;
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 3rem;
  align-items: start;
}

.home-hero h1 {
  font-size: 2.75rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1rem;
  font-family: var(--font-brand);
}

.home-hero .subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 500px;
  margin-bottom: 1.5rem;
}

.hero-buttons {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition-fast);
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--brand-yellow);
  color: #1a1a18;
  border-color: var(--brand-yellow);
}
.btn-primary:hover {
  background: var(--brand-yellow-hover);
  border-color: var(--brand-yellow-hover);
  color: #1a1a18;
}

.btn-secondary {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border-color);
}
.btn-secondary:hover {
  color: var(--text-brand);
  border-color: var(--text-secondary);
}

/* 快速面板 */
.quick-panel {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  background: var(--bg-card);
}

.quick-panel-group { margin-bottom: 1rem; }
.quick-panel-group:last-child { margin-bottom: 0; }

.quick-panel-title {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.quick-panel-links {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.quick-panel-links a {
  font-size: 0.875rem;
  color: var(--text-link);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
}
.quick-panel-links a:hover {
  background: var(--bg-hover);
  color: var(--text-link-hover);
}

/* 分类卡片 */
.home-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

.home-section-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.category-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  text-decoration: none;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.category-card:hover {
  border-color: var(--accent-purple);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
[data-theme="dark"] .category-card:hover {
  border-color: var(--brand-yellow);
}

.card-icon {
  width: 40px;
  height: 40px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-header);
}

.card-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.card-arrow {
  margin-top: auto;
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* 终端窗口 */
.terminal-window {
  background: var(--bg-code);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 2rem 0;
}

.terminal-header {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  background: var(--bg-code-header);
  gap: 0.5rem;
}

.terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.terminal-dot.red { background: #ff5f56; }
.terminal-dot.yellow { background: #ffbd2e; }
.terminal-dot.green { background: #27ca40; }

.terminal-title {
  flex: 1;
  text-align: center;
  font-size: 0.75rem;
  color: #888;
  font-family: var(--font-mono);
}

.terminal-body {
  padding: 1rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.6;
  color: #e5e5e5;
}

.terminal-body .comment { color: #6a9955; }
.terminal-body .prompt { color: #dcdcaa; }

/* --- 9. 搜索弹窗 --- */
.search-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 100;
}

.search-modal.open { display: flex; }

.search-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
}

.search-container {
  position: relative;
  margin: 15vh auto 0;
  width: 90%;
  max-width: 560px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.search-input {
  width: 100%;
  padding: 1rem 1.25rem;
  font-size: 1rem;
  border: none;
  outline: none;
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-body);
}
.search-input::placeholder { color: var(--text-muted); }

.search-results {
  max-height: 400px;
  overflow-y: auto;
  border-top: 1px solid var(--border-color);
}

.search-result-item {
  display: block;
  padding: 0.75rem 1.25rem;
  text-decoration: none;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-light);
  transition: background var(--transition-fast);
}
.search-result-item:hover { background: var(--bg-hover); }
.search-result-item:last-child { border-bottom: none; }

.search-result-title {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-header);
}

.search-result-section {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.125rem;
}

.search-empty {
  padding: 2rem 1.25rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

/* --- 10. 页脚 --- */
.page-footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.page-footer a {
  font-size: 0.8125rem;
  color: var(--text-muted);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
}
.page-footer a:hover { color: var(--text-primary); background: var(--bg-hover); }

/* --- 11. 404 页面 --- */
.not-found {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - var(--top-nav-height));
  text-align: center;
  padding: 2rem;
}

.not-found h1 { font-size: 6rem; margin-bottom: 0.5rem; opacity: 0.3; }
.not-found p { color: var(--text-secondary); margin-bottom: 1.5rem; }

/* --- 12. 响应式设计 --- */
@media (max-width: 1280px) {
  .toc { display: none; }
}

@media (max-width: 1024px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .home-hero { grid-template-columns: 1fr; }
  .quick-panel { display: none; }
}

@media (max-width: 768px) {
  :root { --top-nav-height: var(--header-height); }

  .header-nav { display: none; }
  .sidebar-toggle { display: flex; }

  .sidebar {
    transform: translateX(-100%);
    z-index: 35;
    width: 300px;
    top: var(--header-height);
    height: calc(100vh - var(--header-height));
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-overlay.open { display: block; }

  .content { margin-left: 0; }

  .doc-content { padding: 1.5rem 1rem 3rem; }

  .home-hero { padding: 2rem 1rem; }
  .home-hero h1 { font-size: 2rem; }
  .cards-grid { grid-template-columns: 1fr; }

  .search-btn kbd { display: none; }
}

/* --- 13. 滚动条 --- */
.content::-webkit-scrollbar { width: 6px; }
.content::-webkit-scrollbar-track { background: transparent; }
.content::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }

/* --- 14. 打印样式 --- */
@media print {
  .header, .sidebar, .toc, .search-modal, .sidebar-overlay { display: none !important; }
  .content { margin-left: 0 !important; }
  .page-layout { padding-top: 0 !important; }
  :root { --top-nav-height: 0; }
}