.tms-structure {
    background: #f9f9f9;
    padding: 20px;
    border: 2px solid #ddd;
    border-radius: 8px;
    max-width: 800px;
    margin: 20px auto;
    font-family: Arial, sans-serif;
}
.tms-structure h2, .tms-structure h3 {
    color: #333;
}
.tms-structure ul {
    list-style-type: disc;
    padding-left: 20px;
}
.tms-structure pre {
    background: #fff;
    padding: 10px;
    border: 1px solid #ccc;
    overflow-x: auto;
}