/* Shared width for every board skin: desktop cap and fluid mobile layout. */
html body #bo_list,
html body #bo_gall,
html body #bo_v,
html body #bo_w {
    box-sizing: border-box;
    max-width: min(100%, 1400px) !important;
    margin-left: auto;
    margin-right: auto;
}
/* Anonymous boards include a separate outer layout and sidebar. */
html body .anonymous-board,
html body .an-detail,
html body .anonymous-upload-guide {
    box-sizing: border-box;
    max-width: min(100%, 1400px) !important;
    margin-left: auto;
    margin-right: auto;
}
/* Mobile categories: full-width All tab, then two-column categories. */
@media (max-width: 768px) {
    html body #bo_gall #bo_cate ul,
    html body #bo_list #bo_cate ul {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 6px;
        margin: 0;
        padding: 0;
    }
    html body #bo_gall #bo_cate ul::after,
    html body #bo_list #bo_cate ul::after { display: none; }
    html body #bo_gall #bo_cate li,
    html body #bo_list #bo_cate li {
        float: none;
        width: auto;
        min-width: 0;
        margin: 0;
        padding: 0;
    }
    html body #bo_gall #bo_cate li:first-child,
    html body #bo_list #bo_cate li:first-child { grid-column: 1 / -1; }
    html body #bo_gall #bo_cate a,
    html body #bo_list #bo_cate a {
        display: flex;
        align-items: center;
        justify-content: center;
        box-sizing: border-box;
        width: 100%;
        height: 100%;
        min-height: 44px;
        margin: 0;
        padding: 10px 12px;
        line-height: 1.5;
        text-align: center;
        white-space: normal;
        overflow-wrap: anywhere;
    }
}