body {
    width: 100%;
    height: 100vh;
    clear: both;
    margin: 0;
    overflow: hidden;
}

.main {
    height: 100vh;
    width: calc(100vw - 496px);
    display: inline-block;
    min-width: 500px;
    vertical-align: middle;
    position: fixed;
}

.login {
    width: 445px;
    height: 540px;
    vertical-align: middle;
    background-image: url('/assets/img/login/dikuang.png');
    margin: 0 auto;
    margin-top: calc(50vh - 270px);
}

.login .header {
    height: 70px;
    width: 425px;
    margin: 25px 5px 5px 10px;
}

.login .header .right-top {
    margin-left: 357px;
    margin-top: 7px
}

.login .account {
    margin: 10px 100px;
    vertical-align: center;
}

.login .feishu {
    margin: 20px 100px;
    vertical-align: center;
}

.login .feishu .text-center {
    width: inherit;
    text-align: center;

}

.login .feishu canvas {
    width: 200px;
    height: 200px;
    margin: 20px 22px;
}

.login .feishu img {
    width: 200px;
    height: 200px;
    margin: 20px 22px;
}


.chahua {
    width: 496px;
    margin-right: 0;
    float: right;
}