/* 认证页面专用样式 */
html, body {
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
    background-color: #f5f5f5;
}

.main-content {
    flex: 1;
    display: flex;
    align-items: center;
    padding-top: 40px;
    padding-bottom: 40px;
}

.form-signin {
    width: 100%;
    max-width: 400px;
    padding: 15px;
    margin: auto;
}

.form-signin .checkbox {
    font-weight: 400;
}

.form-signin .form-control {
    position: relative;
    box-sizing: border-box;
    height: auto;
    padding: 10px;
    font-size: 16px;
}

.form-signin .form-control:focus {
    z-index: 2;
}

.form-signin input {
    margin-bottom: 10px;
}

.footer {
    padding: 20px 0;
    background-color: #fff;
    border-top: 1px solid #e5e5e5;
}

/* 使用Bootstrap标准模态框，移除自定义样式 */

/* 响应式调整 */
@media (max-width: 576px) {
    .main-content {
        padding-top: 20px;
        padding-bottom: 20px;
    }

    .form-signin {
        max-width: 90%;
        padding: 10px;
    }
}