body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

h1, h2, h3, h4, h5, h6 {
    color: #2c3e50;
    margin-top: 2em;
    margin-bottom: 1em;
}

h1 {
    border-bottom: 3px solid #3498db;
    padding-bottom: 10px;
}

h2 {
    border-bottom: 1px solid #bdc3c7;
    padding-bottom: 5px;
}

code {
    background-color: #f8f8f8;
    padding: 2px 4px;
    border-radius: 3px;
    font-family: "Monaco", "Menlo", "Ubuntu Mono", monospace;
}

pre {
    background-color: #f8f8f8;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}

table {
    border-collapse: collapse;
    width: 100%;
    margin: 1em 0;
}

th, td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}

th {
    background-color: #f2f2f2;
    font-weight: bold;
}

.mermaid {
    text-align: center;
    margin: 20px 0;
}