.headNav {
    width: 100%;

    .left {
        display: flex;
        height: 100%;

        .nav {
            height: 100%;
            padding-left: 16px;

            .back {
                width: 48px;
                height: 100%;
                font-size: 45px;
                display: flex;
                align-items: center;
                position: relative;
                z-index: 100;
            }

            .capsule {
                position: absolute;
                border: 1px solid #dcdcdc;
            }
        }

        .title {
            flex: 1;
            font-weight: bold;
            font-size: 16px;
        }
    }
}

.center {
    display: flex;
    justify-content: center;
    align-items: center;
}

.fixed {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1000;
}