.titlebar {
    position: absolute;
    // background-color: #fffb;
    left: 0;
    right: 0;
    top: 0;
    opacity: .98;
    height: 44px;
    line-height: 44px;
    font-size: 16px;
    backdrop-filter: blur(20px);
    z-index: 1;
    padding: 0 10px;
    padding-right: 60px;
    cursor: default;
    white-space: nowrap;
    width: auto;

    >tag {
        width: 25%;
        position: relative;
        max-width: 80px;
        height: 44px;
        line-height: 42px;
        color: #ffff;
        display: inline-block;
        text-align: center;
        box-shadow: none;
        vertical-align: top;
        background: transparent;

        >span {
            position: relative;
        }

        &.hover>.track {
            margin-top: 0px !important;
        }

        &.active>.track {
            margin-top: 0px !important;
        }

        .track() {
            opacity: 1;
            box-shadow: none;
            background-color: #22a2c433;
            transition: margin-top .2s ease-out;
        }

        &.activate {

            &.active,
            &.hover {
                .track();
            }
        }

        &.moving,
        &.activate:not(.active):not(.hover) {
            >.track {
                .track();
            }
        }
    }

    .search-btn {
        position: absolute;
        right: 0;
        width: 50px;
        height: 100%;
        background: transparent;
    }

    .search-icon {
        display: inline-block;
        height: 44px;
        width: 24px;
        vertical-align: top;
    }
}

&>.pages {
    height: 100%;
    display: block;
}

& {
    position: absolute;
    top: 0;
    bottom: 0;
    height: auto;
    left: 0;
    right: 0;
    font-size: 16px;
    width: auto;
    background: inherit;

    &:before {
        content: "";
        z-index: 1;
        position: absolute;
        right: 0;
        top: 0;
        bottom: 0;
        width: 16px;
        display: block;
    }
}

.search-box {
    display: block;
    position: absolute;
    right: 0;
    top: 0;
    height: 100%;
    padding-right: 4px;
}

@media(max-width:520px) {
    .search-box {
        display: none;
    }
}

@media(min-width:521px) {
    .title-bar {
        padding-right: 232px;
    }

    .search-box {
        display: none;
    }
}