/* 背景样式 */
.background {
    background-repeat: repeat;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0;
}

/* 登录/注册容器 */
.login-container, .register-container {
    background-color: rgba(255, 255, 255, 0.9);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    max-width: 400px;
    width: 100%;
    box-sizing: border-box;
    text-align: center;
}

/* 表单组样式 */
.form-group {
    margin-bottom: 20px;
    text-align: left;
}

/* 表单元素样式 */
form input[type="text"],
form input[type="password"] {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    box-sizing: border-box;
    border: 1px solid #ccc;
    border-radius: 5px;
}

/* 输入框和按钮样式 */
.login-container input, .register-container input, .login-container button, .register-container button {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border-radius: 5px;
    border: 1px solid #ccc;
}

.login-container button, .register-container button {
    background-color: #007bff;
    color: white;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.login-container button:hover, .register-container button:hover {
    background-color: #0056b3;
}

/* 链接样式 */
.login-container a, .register-container a {
    color: #007bff;
    text-decoration: none;
}

.login-container a:hover, .register-container a:hover {
    text-decoration: underline;
}