/*body {*/
/*    font-family: Arial, sans-serif;*/
/*    background-color: #f8f9fa;*/
    /* 轻微的背景色 */
/*    display: flex;*/
/*    justify-content: center;*/
/*    align-items: center;*/
/*    min-height: 100vh;*/
    /* 确保页面至少和视口一样高 */
/*    margin: 0;*/
/*}*/

.login-containe{
    width: 500px;
    background-color: #000;
}

 

.container.pages {
    max-width: 900px;
    /* 限制容器最大宽度 */
    padding: 20px;
}



.my-4 {
    margin-top:200px;
    background-color: #ffffff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    width: 100%;
     确保表单占据其父容器的全部宽度 
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: #333;
}

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    box-sizing: border-box;
    /* 确保padding和border不会增加元素的总宽度 */
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

.btn-info {
    background-color: #17a2b8;
    /* Bootstrap info 蓝色 */
    color: #ffffff;
}

.btn-info:hover {
    background-color: #138496;
}

.text-secondary {
    color: #6c757d;
}

.text-secondary a {
    color: #6c757d;
    text-decoration: none;
}

.text-secondary a:hover {
    text-decoration: underline;
}

/* 验证码图片样式 */
#codeimg {
    vertical-align: middle;
    /* 使图片与输入框对齐 */
    border: 1px solid #ced4da;
    border-radius: 4px;
}