* {
    padding: 0;
    margin: 0;
}
/* 
.index {
    width: 100%;
    height: 100vh;
    box-sizing: border-box;
} */

.head {
    width: 100%;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-around;
    box-sizing: border-box;
    position: fixed;
    top: 0;
    background-color: white;
}


.app {
    display: flex;
    align-items: center;
    position: relative;
}
.logo{
    display: flex;
    align-items: flex-end;
}
/* .content {
    width: 100%;
    height: calc(100% - 72px);
    box-sizing: border-box;
}

.content>div {
    width: 100%;
    box-sizing: border-box;
} */

.qrCss {
    position: absolute;
    top: 10px;
    left: -120px;
    transition: all linear .1s;
    padding-top: 30px;
}

.qrCssUn {
    padding-top: 0px;
    position: absolute;
    top: 50px;
    left: -120px;
    height: 0;
    overflow: hidden;
    transition: all linear .1s;
}

.qrBmBox {
    padding: 15px 25px;
    background: rgba(255, 255, 255, 1);
    box-shadow: 0px 2px 7px rgba(123, 180, 186, 0.39);
    border-radius: 7px;
    display: flex;
    justify-content: center;
    align-items: center;
}
a{
			color: blue;
			text-decoration: none;
		}
.app:hover {
    cursor: pointer;
}