.article-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}
.article-table th, .article-table td {
    border: 1px solid #ddd;
    font-size: 14px;
    white-space: nowrap;
    padding: 0;
}
.article-table th {
    background-color: #f2f2f2;
    color: #333;
}
.article-table tr th:not(:first-child),
.article-table tr td:not(:first-child) {
    vertical-align: middle;
    text-align: center;
}
.article-table tr:nth-child(even) {
    background-color: #f9f9f9;
}
.article-table input[type='checkbox'] {
    margin-left: 5px;
}
.article-table th img {
    vertical-align: middle;
    max-width: 50px;
    max-height: 50px;
    margin-right: 5px;
}
.search-box {
    padding: 8px 15px;
    border: 1px solid #ddd;
    outline: none;
    width: 250px;
    box-sizing: border-box;
    background-color: #fff;
    margin-bottom: 10px;
    transition: border-color 0.3s;
}
.search-box::placeholder {
    color: #aaa;
}
.search-box:focus {
    border-color: #888;
}