#app {
    width: 100vw;
    overflow-x: hidden;
    padding-top:80px;
    box-sizing: border-box;
}

.header{
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    width: 100%;
    height: 80px;
    background: #FFF;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 120px;
    box-sizing: border-box;
}

.header-left{
    flex-shrink: 0;
    width: 129px;
    height: 40px;
}

.header-left img{
    width: 100%;
    height: 100%;
}

.header-right{
    position: relative;
    width: 118px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #FF4500;
    border-radius: 6px;
    font-weight: 400;
    font-size: 16px;
    color: #FFFFFF;
    line-height: 16px;
}

.qrcode {
    display: none;
    position: absolute;
    top: 57px;
    left: 50%;
    z-index: 1;
    transform: translateX(-50%);
    width: 210px;
    height: 220px;
    padding: 0 25px 11px 25px;
    background-color: #FFF;
    border-radius: 6px;
    box-sizing: border-box;
    box-shadow: 0px 0px 20px 0px rgba(0,0,0,0.16);
}

.qrcode::before {
    content: '';
    position: absolute;
    top: -5px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    transform-origin: center;
    width: 26px;
    height: 26px;
    background-color: #FFF;
    z-index: 1;
    box-shadow: 0px 0px 20px 0px rgba(0,0,0,0.16);
}

.qrcode > :nth-child(1) {
    position: relative;
    width: 100%;
    height: 19px;
    background-color: #FFF;
    z-index: 2;
}

.qrcode > img {
    position: relative;
    width: 160px;
    height: 160px;
    margin-bottom: 6px;
    background-color: #FFF;
    z-index: 2;
}

.qrcode > div:nth-child(3) {
    position: relative;
    width: 100%;
    font-size: 14px;
    line-height: 24px;
    font-weight: 700;
    color: #333;
    text-align: center;
    z-index: 2;
}

.header-right:hover .qrcode {
    display: block;
}

@media (max-width: 750px) {
    .header{
        padding: 0 16px;
    }

    .header-right {
        opacity: 0;
    }

    .header-right:hover .qrcode {
        display: none;
    }
}