body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    color: #333;
    padding: 20px;
}

h2 {
    text-align: center;
    color: #333;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th, td {
    border: 1px solid #ddd;
    padding: 12px;
    text-align: left;
}

th {
    background-color: #008bff;
    color: white;
}

tr:nth-child(even) {
    background-color: #f2f2f2;
}

a {
    color: #008bff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

td a.download {
    color: #5cb85c;
}

td a.download:hover {
    color: #008bff;
}

td {
    word-break: break-word; /* 确保长文件名不会导致布局问题 */
}