/*
 * 子比论坛图片布局
 * The theme ships its own .lists-imgs rules. Every selector below is scoped
 * behind html.ztt-fil-ready and deliberately keeps the theme's lightbox and
 * lazy-load markup intact.
 */
html.ztt-fil-ready #forum .ztt-fil-target .lists-imgs {
    box-sizing: border-box;
    width: var(--ztt-multi-width);
    max-width: 100%;
    margin-right: auto;
    margin-left: 0;
    gap: var(--ztt-gap);
}

/*
 * Keep both server-rendered and AJAX-inserted galleries hidden until their
 * final attributes, extra images and count badge have been applied.
 */
html.ztt-fil-enabled.ztt-fil-scope-primary #forum .content-layout .forum-posts.detail .lists-imgs:not([data-ztt-processed="1"]),
html.ztt-fil-enabled.ztt-fil-scope-all #forum .forum-posts.detail .lists-imgs:not([data-ztt-processed="1"]),
html.ztt-fil-enabled.ztt-fil-detail-enabled #article .wp-posts-content:not([data-ztt-detail-processed="1"]) img,
html.ztt-fil-enabled.ztt-fil-detail-enabled .forum-article .wp-posts-content:not([data-ztt-detail-processed="1"]) img {
    visibility: hidden !important;
}

html.ztt-fil-align-center #forum .ztt-fil-target .lists-imgs {
    margin-right: auto;
    margin-left: auto;
}

html.ztt-fil-align-right #forum .ztt-fil-target .lists-imgs {
    margin-right: 0;
    margin-left: auto;
}

html.ztt-fil-ready #forum .ztt-fil-target .lists-imgs > span {
    box-sizing: border-box;
    border-radius: var(--ztt-radius);
    overflow: hidden;
}

html.ztt-fil-ready #forum .ztt-fil-target .lists-imgs > span > img {
    border-radius: var(--ztt-radius);
    object-fit: var(--ztt-fit);
    transition: transform .25s ease, filter .25s ease;
}

html.ztt-fil-ready.ztt-fil-hover:not(.ztt-fil-mobile) #forum .ztt-fil-target .lists-imgs > span:hover > img {
    transform: scale(1.035);
    filter: saturate(1.04);
}

/* One image: retain its natural proportions only when the user selected it. */
html.ztt-fil-ready #forum .ztt-fil-target .lists-imgs[data-ztt-group="single"] {
    display: block !important;
    width: var(--ztt-single-width);
    max-width: 100%;
}

html.ztt-fil-ready #forum .ztt-fil-target .lists-imgs[data-ztt-group="single"] > span {
    display: block;
    width: 100%;
    height: var(--ztt-single-height);
    padding: 0 !important;
    margin: 0 !important;
    position: relative;
}

html.ztt-fil-ready #forum .ztt-fil-target .lists-imgs[data-ztt-group="single"] > span > img {
    display: block;
    width: 100%;
    height: 100%;
    position: static !important;
}

html.ztt-fil-ready #forum .ztt-fil-target .lists-imgs[data-ztt-fit="original"] > span > img {
    height: auto !important;
    object-fit: contain !important;
}

html.ztt-fil-ready #forum .ztt-fil-target .lists-imgs[data-ztt-fit="original"] > span {
    height: auto !important;
}

html.ztt-fil-ready #forum .ztt-fil-target .lists-imgs[data-ztt-group="single"]:not([data-ztt-shape="auto"]) > span {
    height: auto !important;
    aspect-ratio: var(--ztt-single-ratio);
}

html.ztt-fil-ready #forum .ztt-fil-target .lists-imgs[data-ztt-group="single"][data-ztt-shape="auto"] > span,
html.ztt-fil-ready #forum .ztt-fil-target .lists-imgs[data-ztt-group="single"][data-ztt-shape="auto"] > span > img {
    height: auto !important;
}

/* Two images: a dedicated control makes the common 1+1 and 2-up patterns predictable. */
html.ztt-fil-ready #forum .ztt-fil-target .lists-imgs[data-ztt-group="double"] {
    display: grid !important;
    grid-template-columns: repeat(var(--ztt-double-cols), minmax(0, 1fr));
    width: var(--ztt-double-width);
    max-width: 100%;
    gap: var(--ztt-gap);
}

html.ztt-fil-ready #forum .ztt-fil-target .lists-imgs[data-ztt-group="double"] > span {
    display: block;
    width: auto;
    height: var(--ztt-double-height);
    padding: 0 !important;
    margin: 0 !important;
    position: relative;
}

html.ztt-fil-ready #forum .ztt-fil-target .lists-imgs[data-ztt-group="double"] > span > img {
    display: block;
    width: 100%;
    height: 100%;
    position: static !important;
}

html.ztt-fil-ready #forum .ztt-fil-target .lists-imgs[data-ztt-group="double"]:not([data-ztt-shape="auto"]) > span {
    height: auto !important;
    aspect-ratio: var(--ztt-double-ratio);
}

html.ztt-fil-ready #forum .ztt-fil-target .lists-imgs[data-ztt-group="double"][data-ztt-shape="auto"] > span,
html.ztt-fil-ready #forum .ztt-fil-target .lists-imgs[data-ztt-group="double"][data-ztt-shape="auto"] > span > img {
    height: auto !important;
}

/* Three or more images: a configurable grid or CSS columns masonry. */
html.ztt-fil-ready #forum .ztt-fil-target .lists-imgs[data-ztt-group="multi"][data-ztt-mode="grid"] {
    display: grid !important;
    grid-template-columns: repeat(var(--ztt-multi-cols), minmax(0, 1fr));
    width: var(--ztt-multi-width);
    max-width: 100%;
    gap: var(--ztt-gap);
}

html.ztt-fil-ready #forum .ztt-fil-target .lists-imgs[data-ztt-group="multi"][data-ztt-mode="grid"] > span {
    display: block;
    width: auto;
    height: var(--ztt-multi-height);
    padding: 0 !important;
    margin: 0 !important;
    position: relative;
}

html.ztt-fil-ready #forum .ztt-fil-target .lists-imgs[data-ztt-group="multi"][data-ztt-mode="grid"] > span > img {
    display: block;
    width: 100%;
    height: 100%;
    position: static !important;
}

html.ztt-fil-ready #forum .ztt-fil-target .lists-imgs[data-ztt-group="multi"][data-ztt-mode="masonry"] {
    display: block !important;
    columns: var(--ztt-multi-cols) 120px;
    column-gap: var(--ztt-gap);
    width: var(--ztt-multi-width);
    max-width: 100%;
}

html.ztt-fil-ready #forum .ztt-fil-target .lists-imgs[data-ztt-group="multi"][data-ztt-mode="masonry"] > span {
    display: inline-block;
    width: 100%;
    height: auto;
    padding: 0 !important;
    margin: 0 0 var(--ztt-gap) !important;
    position: relative;
    -webkit-column-break-inside: avoid;
    page-break-inside: avoid;
    break-inside: avoid;
}

html.ztt-fil-ready #forum .ztt-fil-target .lists-imgs[data-ztt-group="multi"][data-ztt-mode="masonry"] > span > img {
    display: block;
    width: 100%;
    height: auto;
    min-height: 0;
    position: static !important;
    object-fit: contain;
}

html.ztt-fil-ready #forum .ztt-fil-target .lists-imgs[data-ztt-group="multi"]:not([data-ztt-shape="auto"]) > span {
    height: auto !important;
    aspect-ratio: var(--ztt-multi-ratio);
}

html.ztt-fil-ready #forum .ztt-fil-target .lists-imgs[data-ztt-group="multi"][data-ztt-shape="auto"] > span,
html.ztt-fil-ready #forum .ztt-fil-target .lists-imgs[data-ztt-group="multi"][data-ztt-shape="auto"] > span > img {
    height: auto !important;
}

html.ztt-fil-ready #forum .ztt-fil-target .lists-imgs[data-ztt-group="multi"][data-ztt-mode="masonry"]:not([data-ztt-shape="auto"]) > span > img {
    height: 100% !important;
    object-fit: var(--ztt-fit) !important;
}

html.ztt-fil-ready #forum .ztt-fil-target .lists-imgs .ztt-fil-overflow-hidden {
    display: none !important;
}

html.ztt-fil-ready.ztt-fil-hide-badge #forum .ztt-fil-target .lists-imgs > span > .abs-center.right-top,
html.ztt-fil-ready.ztt-fil-hide-badge #forum .ztt-fil-target .lists-imgs .ztt-fil-count-badge {
    display: none !important;
}

html.ztt-fil-ready #forum .ztt-fil-target .lists-imgs .ztt-fil-count-badge {
    z-index: 4;
    pointer-events: none;
}

/*
 * 帖子内页：脚本只会把连续相邻的图片块包进 .ztt-fil-detail-group，
 * 文字段落仍然留在原来的 DOM 位置，因此不会把整篇帖子图片集中到一起。
 */
html.ztt-fil-ready :is(#article, .forum-article) .wp-posts-content.ztt-fil-detail-content {
    --ztt-detail-card-radius: var(--ztt-detail-radius);
}

html.ztt-fil-ready :is(#article, .forum-article) .wp-posts-content.ztt-fil-detail-content .ztt-fil-detail-group {
    display: block;
    box-sizing: border-box;
    width: var(--ztt-detail-multi-width);
    max-width: 100%;
    margin: 0 0 var(--ztt-detail-gap);
}

html.ztt-fil-ready :is(#article, .forum-article) .wp-posts-content.ztt-fil-detail-content .ztt-fil-detail-card {
    display: block;
    box-sizing: border-box;
    min-width: 0;
    overflow: hidden;
    border-radius: var(--ztt-detail-card-radius);
}

html.ztt-fil-ready :is(#article, .forum-article) .wp-posts-content.ztt-fil-detail-content .ztt-fil-detail-card > img,
html.ztt-fil-ready :is(#article, .forum-article) .wp-posts-content.ztt-fil-detail-content .ztt-fil-detail-card > a,
html.ztt-fil-ready :is(#article, .forum-article) .wp-posts-content.ztt-fil-detail-content .ztt-fil-detail-card > a > img {
    display: block;
    width: 100%;
    max-width: 100%;
}

html.ztt-fil-ready :is(#article, .forum-article) .wp-posts-content.ztt-fil-detail-content .ztt-fil-detail-card > a {
    height: 100%;
}

html.ztt-fil-ready :is(#article, .forum-article) .wp-posts-content.ztt-fil-detail-content .ztt-fil-detail-card > img,
html.ztt-fil-ready :is(#article, .forum-article) .wp-posts-content.ztt-fil-detail-content .ztt-fil-detail-card > a > img {
    height: 100%;
    margin: 0 !important;
    border-radius: var(--ztt-detail-card-radius);
    object-fit: var(--ztt-detail-fit);
}

html.ztt-fil-ready :is(#article, .forum-article) .wp-posts-content.ztt-fil-detail-content .ztt-fil-detail-group[data-ztt-detail-kind="single"] {
    width: var(--ztt-detail-single-width);
}

html.ztt-fil-ready :is(#article, .forum-article) .wp-posts-content.ztt-fil-detail-content .ztt-fil-detail-group[data-ztt-detail-kind="single"] .ztt-fil-detail-card {
    width: 100%;
    aspect-ratio: var(--ztt-detail-single-ratio);
}

html.ztt-fil-ready :is(#article, .forum-article) .wp-posts-content.ztt-fil-detail-content .ztt-fil-detail-group[data-ztt-detail-kind="single"][data-ztt-detail-shape="auto"] .ztt-fil-detail-card {
    height: auto;
    aspect-ratio: auto;
}

html.ztt-fil-ready :is(#article, .forum-article) .wp-posts-content.ztt-fil-detail-content .ztt-fil-detail-group[data-ztt-detail-kind="single"][data-ztt-detail-shape="auto"] .ztt-fil-detail-card > a {
    height: auto;
}

html.ztt-fil-ready :is(#article, .forum-article) .wp-posts-content.ztt-fil-detail-content .ztt-fil-detail-group[data-ztt-detail-kind="single"][data-ztt-detail-shape="auto"] .ztt-fil-detail-card > img,
html.ztt-fil-ready :is(#article, .forum-article) .wp-posts-content.ztt-fil-detail-content .ztt-fil-detail-group[data-ztt-detail-kind="single"][data-ztt-detail-shape="auto"] .ztt-fil-detail-card > a > img {
    height: auto;
    object-fit: contain;
}

html.ztt-fil-ready :is(#article, .forum-article) .wp-posts-content.ztt-fil-detail-content .ztt-fil-detail-group[data-ztt-detail-kind="multi"][data-ztt-detail-mode="grid"] {
    display: grid;
    grid-template-columns: repeat(var(--ztt-detail-multi-cols), minmax(0, 1fr));
    gap: var(--ztt-detail-gap);
}

html.ztt-fil-ready :is(#article, .forum-article) .wp-posts-content.ztt-fil-detail-content .ztt-fil-detail-group[data-ztt-detail-kind="multi"][data-ztt-detail-mode="grid"] .ztt-fil-detail-card {
    width: auto;
    aspect-ratio: var(--ztt-detail-multi-ratio);
}

html.ztt-fil-ready :is(#article, .forum-article) .wp-posts-content.ztt-fil-detail-content .ztt-fil-detail-group[data-ztt-detail-kind="multi"][data-ztt-detail-shape="auto"] .ztt-fil-detail-card {
    height: auto;
    aspect-ratio: auto;
}

html.ztt-fil-ready :is(#article, .forum-article) .wp-posts-content.ztt-fil-detail-content .ztt-fil-detail-group[data-ztt-detail-kind="multi"][data-ztt-detail-shape="auto"] .ztt-fil-detail-card > a {
    height: auto;
}

html.ztt-fil-ready :is(#article, .forum-article) .wp-posts-content.ztt-fil-detail-content .ztt-fil-detail-group[data-ztt-detail-kind="multi"][data-ztt-detail-shape="auto"] .ztt-fil-detail-card > img,
html.ztt-fil-ready :is(#article, .forum-article) .wp-posts-content.ztt-fil-detail-content .ztt-fil-detail-group[data-ztt-detail-kind="multi"][data-ztt-detail-shape="auto"] .ztt-fil-detail-card > a > img {
    height: auto;
    object-fit: contain;
}

html.ztt-fil-ready :is(#article, .forum-article) .wp-posts-content.ztt-fil-detail-content .ztt-fil-detail-group[data-ztt-detail-mode="masonry"] {
    display: block;
    columns: var(--ztt-detail-multi-cols) 160px;
    column-gap: var(--ztt-detail-gap);
}

html.ztt-fil-ready :is(#article, .forum-article) .wp-posts-content.ztt-fil-detail-content .ztt-fil-detail-group[data-ztt-detail-mode="masonry"] .ztt-fil-detail-card {
    display: inline-block;
    width: 100%;
    height: auto;
    margin: 0 0 var(--ztt-detail-gap);
    -webkit-column-break-inside: avoid;
    page-break-inside: avoid;
    break-inside: avoid;
}

html.ztt-fil-ready :is(#article, .forum-article) .wp-posts-content.ztt-fil-detail-content .ztt-fil-detail-group[data-ztt-detail-mode="masonry"] .ztt-fil-detail-card > img,
html.ztt-fil-ready :is(#article, .forum-article) .wp-posts-content.ztt-fil-detail-content .ztt-fil-detail-group[data-ztt-detail-mode="masonry"] .ztt-fil-detail-card > a > img {
    height: auto;
    object-fit: contain;
}

html.ztt-fil-ready :is(#article, .forum-article) .wp-posts-content.ztt-fil-detail-content .ztt-fil-detail-group[data-ztt-detail-mode="masonry"]:not([data-ztt-detail-shape="auto"]) .ztt-fil-detail-card {
    aspect-ratio: var(--ztt-detail-multi-ratio);
}

html.ztt-fil-ready :is(#article, .forum-article) .wp-posts-content.ztt-fil-detail-content .ztt-fil-detail-group[data-ztt-detail-mode="masonry"]:not([data-ztt-detail-shape="auto"]) .ztt-fil-detail-card > img,
html.ztt-fil-ready :is(#article, .forum-article) .wp-posts-content.ztt-fil-detail-content .ztt-fil-detail-group[data-ztt-detail-mode="masonry"]:not([data-ztt-detail-shape="auto"]) .ztt-fil-detail-card > a > img {
    height: 100%;
    object-fit: var(--ztt-detail-fit);
}

html.ztt-fil-ready :is(#article, .forum-article) .wp-posts-content.ztt-fil-detail-content .ztt-fil-detail-group[data-ztt-detail-fit="original"] .ztt-fil-detail-card > img,
html.ztt-fil-ready :is(#article, .forum-article) .wp-posts-content.ztt-fil-detail-content .ztt-fil-detail-group[data-ztt-detail-fit="original"] .ztt-fil-detail-card > a > img {
    object-fit: contain !important;
}

html.ztt-fil-ready :is(#article, .forum-article) .wp-posts-content.ztt-fil-detail-content:not([data-ztt-detail-mode="native"]) > p > img,
html.ztt-fil-ready :is(#article, .forum-article) .wp-posts-content.ztt-fil-detail-content:not([data-ztt-detail-mode="native"]) > p > a > img {
    display: block;
    max-width: 100%;
    height: auto;
}

html.ztt-fil-ready.ztt-fil-mobile #forum .ztt-fil-target .lists-imgs > span > img {
    transition: none;
}

@media (max-width: 767px) {
    html.ztt-fil-ready #forum .ztt-fil-target .lists-imgs {
        max-width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    html.ztt-fil-ready #forum .ztt-fil-target .lists-imgs > span > img {
        transition: none;
    }
}