/* 基础样式 */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
}

a {
    color: #007bff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* 表格样式 */
table {
    border-collapse: collapse;
    width: 100%;
    margin-bottom: 20px;
}

table th, table td {
    border: 1px solid #ddd;
    padding: 10px;
    text-align: left;
}

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

/* 卡片样式 */
.card {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    padding: 20px;
    margin-bottom: 20px;
}

/* 表单样式 */
input[type="text"],
input[type="password"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
    margin-top: 5px;
}

button {
    padding: 10px 20px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}

/* 工具类 */
.error {
    color: red;
}

.success {
    color: green;
}