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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f7fa;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

h1 {
    color: #2c3e50;
    border-bottom: 3px solid #3498db;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

h2 {
    color: #34495e;
    margin: 25px 0 15px 0;
}

h3 {
    color: #7f8c8d;
    margin: 20px 0 10px 0;
}

p {
    margin-bottom: 15px;
    text-align: justify;
}

ul {
    margin-bottom: 15px;
    padding-left: 25px;
}

li {
    margin-bottom: 5px;
}

/* 示例文件容器 */
.example-file {
    background-color: #ffffff;
    border: 1px solid #e1e8ed;
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* 代码块 */
code {
    background-color: #ecf0f1;
    padding: 2px 5px;
    border-radius: 3px;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.9em;
}

/* 链接样式 */
a {
    color: #3498db;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #2980b9;
    text-decoration: underline;
}

/* 返回链接 */
.back-link {
    display: inline-block;
    margin-top: 20px;
    padding: 8px 15px;
    background-color: #3498db;
    color: white;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.back-link:hover {
    background-color: #2980b9;
    text-decoration: none;
}