body {
        height:100vh;
        display:flex;
        justify-content:center;
        align-items:center;
        background:#f2f4f8;
        font-family:"Microsoft YaHei";
    }


    .login-box {

        width:380px;

        background:white;

        padding:40px;

        border-radius:10px;

        box-shadow:0 5px 20px rgba(0,0,0,0.15);

    }


    .system-logo {

        text-align:center;

        font-size:26px;

        font-weight:700;

        margin-bottom:35px;

        color:#5b7c99;

        letter-spacing:2px;

    }


    .form-control {

        width:100%;

        height:40px;

        margin-bottom:20px;

    }


    .login-btn {

        width:100%;

        height:42px;

        background:#5b7c99;

        color:white;

        border:none;

        border-radius:5px;

        font-size:16px;

    }


    .login-btn:hover {

        background:#49677f;

    }

    .login-message {
        color: red;
        text-align: center;
        margin: 15px 0;
    }

    .login-footer {

        margin-top:25px;

        text-align:center;

        font-size:11px;

        color:#94a3b8;

    }