.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
}

.header .left {
    width: 60px;
    height: 60px;
}

.header .right {
    display: flex;
    align-items: center;
}

.header .right .login {
    cursor: pointer;
}

.header .right .download {
    cursor: pointer;
    width: 140px;
    height: 40px;
    border-radius: 14px;
    background-color: #df2b2b;
    text-align: center;
    line-height: 40px;
    margin-left: 20px;
}

.scan-mark {
    width: 100vw;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    background-color: rgba(255, 255, 255, 0.2);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.scan-mark.active {
    display: flex;
}

.scan-mark .scan-content {
    display: flex;
    align-items: center;
    justify-content: center;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    cursor: auto;
}

.scan-mark .scan-content #qrcode {
    width: 228px;
    height: 228px;
    padding: 20px;
    box-sizing: content-box;
    border-radius: 6px;
    background-color: #f4f4f4;
}

.scan-mark .scan-content #desc {
    margin-top: 20px;
}