/* 通用设置 */
body {
    font-family: 'Arial', sans-serif;
    background-color: #f4f7fa;
    color: #333;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 900px;
    padding: 20px;
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
}

h2 {
    font-size: 2.2em;
    color: #2d3e50;
    margin-bottom: 20px;
}

/* 链接样式 */
a {
    text-decoration: none;
    color: #1e87f0;
    font-weight: bold;
    margin: 10px;
    display: inline-block;
}

a:hover {
    color: #155da8;
}

/* 表单样式 */
form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: center;
}

input[type="text"], input[type="password"], input[type="number"] {
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1em;
    width: 80%;
    max-width: 400px;
}

button {
    padding: 12px 20px;
    background-color: #4CAF50;
    border: none;
    color: white;
    font-size: 1.1em;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
    width: 80%;
    max-width: 400px;
}

button:hover {
    background-color: #45a049;
}

button[type="submit"] {
    font-weight: bold;
}

/* 确认按钮样式 */
.confirm-btn {
    padding: 12px 20px;
    background-color: #1e87f0;
    color: white;
    font-size: 1.1em;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
    width: 80%;
    max-width: 400px;
    margin-top: 20px;
}

.confirm-btn:hover {
    background-color: #155da8;
}

/* 表格样式 */
table {
    width: 100%;
    margin-top: 20px;
    border-collapse: collapse;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

table th {
    background-color: #f4f7fa;
    color: #2d3e50;
}

/* 页脚样式 */
footer {
    text-align: center;
    margin-top: 20px;
    font-size: 0.9em;
    color: #777;
}