<!doctype html>
<html lang="zh-CN">
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <title>Qing Scan 扫描系统</title>
    <!-- Bootstrap core CSS -->
    <link href="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/4.6.0/css/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous">
    <meta name="msapplication-config" content="/docs/4.6/assets/img/favicons/browserconfig.xml">
    <meta name="theme-color" content="#563d7c">


    <style>
        html, body {
            height: 100%;
        }

        body {
            display: -ms-flexbox;
            display: flex;
            -ms-flex-align: center;
            align-items: center;
            padding-top: 40px;
            padding-bottom: 40px;
            background-color: #f5f5f5;
        }

        .form-signin {
            width: 100%;
            max-width: 330px;
            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[type="email"] {
            margin-bottom: -1px;
            border-bottom-right-radius: 0;
            border-bottom-left-radius: 0;
        }

        .form-signin input[type="password"] {
            margin-bottom: 10px;
            border-top-left-radius: 0;
            border-top-right-radius: 0;
        }

        .bd-placeholder-img {
            font-size: 1.125rem;
            text-anchor: middle;
            -webkit-user-select: none;
            -moz-user-select: none;
            -ms-user-select: none;
            user-select: none;
        }

        @media (min-width: 768px) {
            .bd-placeholder-img-lg {
                font-size: 3.5rem;
            }
        }
    </style>
</head>
<body class="text-center">

<form class="form-signin">
    <h1 class="h3 mb-3 font-weight-normal">请登录</h1>
    <label for="inputEmail" class="sr-only">邮件地址</label>
    <input type="email" id="inputEmail" class="form-control" placeholder="邮件地址" required autofocus>
    <label for="inputPassword" class="sr-only">密码</label>
    <input type="password" id="inputPassword" class="form-control" placeholder="密码" required>
    <div class="checkbox mb-3">
        <label>
            <input type="checkbox" value="remember-me"> 记住我
        </label>
    </div>
    <button class="btn btn-lg btn-outline-info btn-block" type="submit">登录</button>
</form>


</body>
</html>
