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

body {
    font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

/* 容器样式 */
.container {
    display: flex;
    min-height: 100vh;
}

/* 侧边导航栏 */
.sidebar {
    width: 280px;
    background-color: #2c3e50;
    color: #fff;
    padding: 20px 0;
    position: fixed;
    height: 100%;
    overflow-y: auto;
}

.sidebar-header {
    padding: 0 20px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 20px;
}

.sidebar-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

.nav-list {
    list-style: none;
}

.nav-item {
    margin-bottom: 5px;
}

.nav-link {
    display: block;
    padding: 10px 20px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s;
}

.nav-link:hover, .nav-link.active {
    background-color: rgba(255, 255, 255, 0.1);
    color: #fff;
}

/* 主要内容区 */
.content {
    flex: 1;
    padding: 40px;
    margin-left: 280px;
    max-width: 1000px;
}

/* 标题样式 */
h1, h2, h3, h4, h5, h6 {
    margin-top: 1.5em;
    margin-bottom: 0.5em;
    font-weight: 600;
    color: #2c3e50;
}

h1 {
    font-size: 2.2rem;
    border-bottom: 2px solid #eaecef;
    padding-bottom: 0.3em;
}

h2 {
    font-size: 1.8rem;
    border-bottom: 1px solid #eaecef;
    padding-bottom: 0.3em;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.3rem;
}

/* 段落样式 */
p {
    margin-bottom: 1em;
    text-align: justify;
}

/* 列表样式 */
ul, ol {
    margin-bottom: 1em;
    padding-left: 2em;
}

li {
    margin-bottom: 0.5em;
}

/* 引用样式 */
blockquote {
    border-left: 4px solid #42b983;
    padding: 10px 15px;
    color: #666;
    background-color: #f3f5f7;
    margin-bottom: 1em;
}

/* 代码样式 */
code {
    font-family: "Source Code Pro", Consolas, Monaco, "Andale Mono", monospace;
    background-color: #f3f5f7;
    padding: 0.2em 0.4em;
    border-radius: 3px;
}

pre {
    background-color: #f3f5f7;
    padding: 1em;
    border-radius: 5px;
    overflow-x: auto;
    margin-bottom: 1em;
}

pre code {
    background-color: transparent;
    padding: 0;
}

/* 表格样式 */
table {
    border-collapse: collapse;
    width: 100%;
    margin-bottom: 1em;
}

th, td {
    border: 1px solid #ddd;
    padding: 8px 12px;
}

th {
    background-color: #f3f5f7;
    font-weight: 600;
}

tr:nth-child(even) {
    background-color: #f9f9f9;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        padding: 10px;
    }
    
    .content {
        margin-left: 0;
        padding: 20px;
    }
    
    .sidebar-header {
        padding: 10px;
    }
    
    .nav-link {
        padding: 8px 10px;
    }
}

/* 页脚样式 */
.footer {
    text-align: center;
    padding: 20px;
    color: #666;
    font-size: 0.9rem;
    border-top: 1px solid #eaecef;
    margin-top: 40px;
}