.tang26-nav-header{
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    position: relative;
    height: 44px;
    border-bottom: 1px solid #f3f5fb;
    background: #ffffff;
    display: none;
}
.topbar-left-btn-box{
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    position: absolute;
    left: 0;
}
.topbar-right-btn-box{
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    position: absolute;
    right: 0;
}
.tang26-nav-header .topbar-btn{
    height: 44px;
    width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.tang26-nav-header .topbar-btn .layui-icon{
    font-size: 18px;
    font-weight: 600;
}
.tang26-nav-header-height{
    height: 0;
    display: none;
}

@media screen and (max-width: 768px) {
    .tang26-nav-header-box{
        position: fixed;
        left: 0;
        right: 0;
        z-index: 100;
    }
    .tang26-nav-header{
        display: flex;
    }
    .tang26-nav-header-box .nav-header {
        background: linear-gradient(0deg, hsl(225deg 31% 95% / 60%), #eef0f6, #eef0f6);
    }
    .tang26-nav-header-height{
        height: 85px;
        display: block;
    }
}