table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}
th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}
th {
    background-color: #007BFF;
    color: white;
}
tr:hover {
    background-color: #f5f5f5;
}
/* 新增样式 */
h1 {
    text-align: center;
    margin: 30px 0;
}
a.download-link {
    display: inline-block;
    padding: 8px 16px;
    background-color: #007BFF;
    color: white;
    text-decoration: none;
    border-radius: 4px;
}
a.download-link:hover {
    background-color: #0056b3;
}