.logo{
    background: url('../image/index/logo.png') no-repeat center center;
    background-size: 250px 250px;
    width: 30%;
    left: 35%;
    position: relative;
    height: 290px;
    margin: calc(25vh) 0 calc(4vh) 0;
}

.logo_1{
    background: url('../image/index/logo_1.png') no-repeat center center;
    background-size: 250px 250px;
    width: 30%;
    left: 35%;
    position: relative;
    height: 290px;
    margin: calc(25vh) 0 calc(4vh) 0;
}

#brand{
    font-family: 微软雅黑, FrutigerBold,sans-serif;
    text-align: right;
    padding-right: 5px;
}

#email{
    font-family: 微软雅黑, FrutigerBold,sans-serif;
    padding-left: 5px;
    background-color: white;
}

@media (min-width: 992px){
    #ellipsis{
        padding: 0;
        width: 48%;
    }
}
@media (max-width: 992px){
    #brand, #email{
        text-align: center;
    }
    #ellipsis{
        padding: 0 ;
        text-align: center;
        overflow: hidden;
    }
}