.nav_box {
    height: 3.2rem;
    display: flex;

    align-items: center;
    justify-content: center;
    border: 2px solid var(--darkColor2);
    border-radius: 1.5rem;
    margin-left: 2rem;
    margin-right: 2rem;
    line-height: 3rem;
    text-align: center;
    font-size: 1rem;


    & .nav_node_1 {
        flex: 1;
        height: 100%;
        border-radius: 1.5rem 0 0 1.5rem;
    }

    & .nav_node_2 {
        flex: 1;
        height: 100%;
        border-radius: 0 1.5rem 1.5rem 0;
    }

    & .nav_cur {
        width: 40%;
        background: var(--darkColor2);
        color: #fff;
    }
}

.page_header {
    width: 100%;

    z-index: calc(var(--zindex-in) - 1);
    padding-bottom: 1rem;
    background: var(--widget);
}

.page_node {
    width: 100%;



    height: calc(100vh - 5.5rem);
    overflow-y: auto;
    padding-bottom: 2rem;
}