/* 全局样式 */
body {
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
}

#message {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 10px 20px;
    background-color: #f0f0f0;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    background-color: #ffffff;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    color: #333333;
}

form {
    margin-top: 20px;
}

input[type="text"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #cccccc;
    border-radius: 3px;
    font-size: 14px;
    outline: none;
}

label {
    display: block;
    margin-bottom: 10px;
    font-weight: bold;
    color: #333333;
}

button {
    display: block;
    width: 100%;
    padding: 10px;
    margin-top: 20px;
    background-color: #4caf50;
    color: #ffffff;
    border: none;
    border-radius: 3px;
    font-size: 14px;
    cursor: pointer;
}

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

.result {
    margin-top: 20px;
    padding: 10px;
    background-color: #f0f0f0;
    border: 1px solid #cccccc;
    border-radius: 3px;
    font-size: 14px;
}

.error {
    color: #ff0000;
    font-weight: bold;
}

/* 响应式布局 */
@media (max-width: 768px) {
    .container {
        max-width: 100%;
        padding: 10px;
    }
}