/* 自定义样式 */

/* 主体样式 */
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
}

/* 代码块样式 */
pre {
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* 导航栏样式 */
.navbar {
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* 侧边栏样式 */
.sidebar {
  border-right: 1px solid #e9ecef;
}

/* 侧边栏导航项间距 */
.sidebar .sidebar-section .sidebar-item {
  margin-bottom: 8px;
}

.sidebar .sidebar-section .sidebar-item .sidebar-item-text {
  padding: 8px 12px;
  display: block;
  border-radius: 6px;
  transition: background-color 0.2s ease;
}

.sidebar .sidebar-section .sidebar-item .sidebar-item-text:hover {
  background-color: #f8f9fa;
}

/* 侧边栏章节标题间距 */
.sidebar .sidebar-section > .h6 {
  margin-top: 1.5em;
  margin-bottom: 0.8em;
  font-weight: 600;
  color: #495057;
  border-bottom: 1px solid #e9ecef;
  padding-bottom: 0.3em;
}

.sidebar .sidebar-section:first-child > .h6 {
  margin-top: 1em;
}

/* 卡片样式 */
.card {
  border: none;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  border-radius: 8px;
  transition: transform 0.2s ease-in-out;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* 按钮样式 */
.btn {
  border-radius: 6px;
  font-weight: 500;
}

/* 图片样式 */
img {
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* 标题样式 */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  margin-top: 1.5em;
  margin-bottom: 0.5em;
}

h1 {
  color: #2c3e50;
  border-bottom: 3px solid #3498db;
  padding-bottom: 0.3em;
}

h2 {
  color: #34495e;
  border-bottom: 2px solid #e74c3c;
  padding-bottom: 0.2em;
}

/* 链接样式 */
a {
  text-decoration: none;
  transition: color 0.2s ease-in-out;
}

a:hover {
  text-decoration: underline;
}

/* 表格样式 */
table {
  border-collapse: collapse;
  width: 100%;
  margin: 1em 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  border-radius: 8px;
  overflow: hidden;
}

th, td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid #ddd;
}

th {
  background-color: #f8f9fa;
  font-weight: 600;
}

/* 警告框样式 */
.callout {
  border-radius: 8px;
  margin: 1em 0;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .sidebar {
    display: none;
  }
  
  .main-content {
    margin-left: 0;
  }
}

/* 打印样式 */
@media print {
  .navbar, .sidebar, .page-footer {
    display: none;
  }
  
  .main-content {
    margin-left: 0;
    width: 100%;
  }
}