/* 全局样式 */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

/* 头部样式 */
.header {
    background-color: #007BFF;
    color: white;
    padding: 10px 20px;
    text-align: center;
}

.header h1 {
    margin: 0;
    font-size: 24px;
}

/* 登录容器样式 */
.login-container {
    max-width: 400px;
    margin: 50px auto;
    padding: 20px;
    background-color: white;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

.login-container h2 {
    margin-bottom: 20px;
    text-align: center;
}

.login-container input[type="text"],
.login-container input[type="password"] {
    width: calc(100% - 22px);
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.login-container input[type="submit"] {
    width: 100%;
    padding: 10px;
    background-color: #007BFF;
    border: none;
    border-radius: 4px;
    color: white;
    font-size: 16px;
    cursor: pointer;
}

.login-container input[type="submit"]:hover {
    background-color: #0056b3;
}

/* 底部样式 */
.footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 10px 20px;
    position: fixed;
    width: 100%;
    bottom: 0;
}

.footer p {
    margin: 0;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 600px) {
    .login-container {
        margin: 30px 10px;
        padding: 15px;
    }

    .header h1 {
        font-size: 20px;
    }

    .footer p {
        font-size: 12px;
    }
}