/* ============================================================
   文档中心列表页（左侧分类 + 右侧内容 + 三栏布局）
   ============================================================ */

/* ---------- 顶部留白与内容区 ---------- */
/* 只针对 .content-area 类命中，不使用 #primary-home ID 选择器 */
.ji-document-content .content-area {
    position: relative;
    display: block;
}
.ji-document-list .content-area > .box {
    padding: var(--gap);
}
.ji-document-list.b2-document-content h1 {
    font-size: 22px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

/* ---------- 反馈按钮 ---------- */
.ji-document-list .btn-feedback {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 24px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    border-radius: var(--b2radius);
    font-size: var(--fs-sm);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s;
}
.ji-document-list .btn-feedback:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}
.ji-document-list .btn-feedback.active {
    background: var(--b2light);
    color: #fff;
    border-color: var(--text-primary);
}

/* ---------- 左侧菜单树（ji-doc 前缀避免与 B2 全局类名冲突） ---------- */
.ji-document-list .document-left-item .ji-doc-sub {
    max-height: 600px;
    overflow-y: auto;
    padding-right: 5px;
}
.ji-document-list .document-left-item .ji-doc-sub::-webkit-scrollbar {
    width: 6px;
}
.ji-document-list .document-left-item .ji-doc-sub::-webkit-scrollbar-track {
    background: var(--bg-input);
    border-radius: 3px;
}
.ji-document-list .document-left-item .ji-doc-sub::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 3px;
}
.ji-document-list .document-left-item .ji-doc-sub::-webkit-scrollbar-thumb:hover {
    background: #999;
}
.ji-document-list .document-left-item {
    padding: var(--gap);
}
.ji-document-list .sidebar-header {
    font-size: var(--fs-md);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    padding-left: 8px;
}
.ji-document-list .menu-container {
    width: 100%;
}
.ji-document-list .ji-doc-parent {
    cursor: pointer;
    width: 100%;
}
/* 一级菜单（父分类） */
.ji-document-list .ji-doc-parent-title {
    display: flex;
    align-items: center;
    margin-top: 10px;
    padding: 8px 10px;
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--text-primary); /* 分类页配色：深色文字 */
    border-radius: 8px;
    position: relative;
    transition: background-color 0.2s, color 0.2s;
    user-select: none;
}
.ji-document-list .ji-doc-parent-title:hover {
    background-color: #f7f9fa; /* 分类页 hover 背景 */
    color: var(--text-primary);
}
/* 当前文章所属父分类：分类页 active 配色（浅灰底 + 深色文字） */
.ji-document-list .ji-doc-parent-title.active,
.ji-document-list .ji-doc-parent-title.active:hover {
    background-color: #f7f9fa;
    color: var(--text-primary);
    font-weight: 600;
}
.ji-document-list .ji-doc-parent-title.active::before {
    content: '';
    position: absolute;
    left: -13px;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 16px;
    background-color: #4080ff;
    border-radius: 2px;
}
.ji-document-list .ji-doc-parent-title.active .icon {
    color: var(--text-primary);
}
.ji-document-list .ji-doc-parent-title.active .arrow {
    color: var(--text-primary);
}
.ji-document-list .icon {
    margin-right: 10px;
    width: 16px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    opacity: 0.7;
    transition: color 0.2s, opacity 0.2s;
}
/* 分类图片与 ICON 同尺寸（文档详情页侧栏） */
.ji-document-list .icon .ji-term-image,
.ji-document-list .icon .ji-term-image-default {
    width: 16px;
    height: 16px;
    object-fit: cover;
    border-radius: 4px;
    flex-shrink: 0;
    max-width: none;
}
.ji-document-list .ji-doc-parent-title:hover .icon,
.ji-document-list .ji-doc-parent-title.active .icon {
    opacity: 1;
}
.ji-document-list .text-red {
    color: #e62e2e;
}
.ji-document-list .arrow {
    margin-left: auto;
    font-size: var(--fs-xs);
    color: var(--text-primary); /* 分类页配色：深色文字 */
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    transform: rotate(-90deg); /* 收起：箭头朝右 */
    transition: transform 0.3s ease, color 0.2s;
}
.ji-document-list .ji-doc-parent.active .ji-doc-parent-title .arrow {
    transform: rotate(0deg); /* 展开：箭头朝下 */
}
.ji-document-list .ji-doc-sub {
    display: none;
}
.ji-document-list .ji-doc-parent.active .ji-doc-sub {
    display: block;
    /* 竖线1：对齐父分类图标中心 */
    margin-left: 13px;
    border-left: 1px dashed var(--border-color);
    padding-left: 10px;
}
/* 三级菜单（文章） */
.ji-document-list .ji-doc-post {
    font-size: var(--fs-sm);
    color: var(--text-primary); /* 分类页配色：深色文字 */
    position: relative;
    line-height: 1.9;
    margin: 4px 0;
    padding: 5px 8px;
    border-radius: 6px;
    transition: all 0.2s;
    cursor: pointer;
    text-decoration: none;
}
.ji-document-list .ji-doc-post-title {
    margin-left: 15px;
    font-size: var(--fs-xs);
    color: var(--text-primary); /* 分类页配色：深色文字 */
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.ji-document-list .ji-doc-post:before {
    top: 50%;
    transform: translateY(-50%);
    position: absolute;
    content: "\eba3";
    font-family: "b2font";
    left: 8px;
    color: var(--text-primary);
    font-size: var(--fs-base);
    opacity: 0.7;
}
.ji-document-list .ji-doc-post:hover {
    background-color: #f7f9fa; /* 分类页 hover 背景 */
    color: var(--text-primary);
    cursor: pointer;
}
.ji-document-list .ji-doc-post:hover:before {
    color: var(--text-primary);
    opacity: 1;
}
/* 当前文章：分类页 active 配色（浅灰底 + 深色文字），保留蓝竖线装饰 */
.ji-document-list .ji-doc-post.selected {
    color: var(--text-primary);
    font-weight: 600;
    background-color: #f7f9fa;
    border-radius: 6px;
}
/* 左侧蓝色竖线：对齐虚线（竖线2）位置，与父分类同方式 */
.ji-document-list .ji-doc-post.selected::after {
    content: '';
    position: absolute;
    left: -12px;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 16px;
    background-color: #4080ff;
    border-radius: 2px;
}
/* 当前文章图标保留文档图标（\eba3），颜色随文字深色 */
.ji-document-list .ji-doc-post.selected:before {
    content: "\eba3";
    color: var(--text-primary);
    opacity: 1;
    font-size: var(--fs-base);
    left: 4px;
    font-family: "b2font";
}

/* ---------- 二级菜单（子分类） ---------- */
.ji-document-list .ji-doc-child {
    margin: 4px 0;
}
.ji-document-list .ji-doc-child-title {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 10px;
    margin-left: 6px;
    font-size: var(--fs-xs);
    color: var(--text-primary); /* 分类页配色：深色文字 */
    cursor: pointer;
    border-radius: 6px;
    position: relative;
    user-select: none;
    transition: background-color 0.2s, color 0.2s;
}
.ji-document-list .ji-doc-child-title:hover {
    background-color: #f7f9fa; /* 分类页 hover 背景 */
    color: var(--text-primary);
}
/* 子分类图标：与父分类/图片同尺寸，间距交给 gap 控制 */
.ji-document-list .ji-doc-child-title .icon {
    margin-right: 0;
    width: 16px;
    font-size: var(--fs-base);
}
/* 当前文章所属子分类：分类页 active 配色（浅灰底 + 深色文字） */
.ji-document-list .ji-doc-child-title.active-cat {
    color: var(--text-primary);
    font-weight: 600;
    background-color: #f7f9fa;
}
.ji-document-list .ji-doc-child-title.active-cat::before {
    content: '';
    position: absolute;
    left: -16px;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 14px;
    background-color: #4080ff;
    border-radius: 2px;
}
.ji-document-list .ji-doc-child-title .doc-count {
    font-size: var(--fs-xs);
    font-weight: 500;
    color: var(--text-muted); /* 分类页计数：浅灰 */
    background-color: rgba(0, 0, 0, 0.02);
    border-radius: 10px;
    padding: 0 6px;
    line-height: 1.5;
    margin-left: 8px;
    transition: background-color 0.2s, color 0.2s;
}
.ji-document-list .ji-doc-child-title.active-cat .doc-count {
    background-color: rgba(0, 0, 0, 0.02);
    color: var(--text-muted);
}
.ji-document-list .ji-doc-child-title .arrow {
    margin-left: auto;
    font-size: var(--fs-xs);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    transform: rotate(-90deg); /* 收起：箭头朝右 */
    transition: transform 0.3s ease;
}
.ji-document-list .ji-doc-child.active > .ji-doc-child-title .arrow {
    transform: rotate(0deg); /* 展开：箭头朝下 */
}
/* 子分类下的文章列表：默认收起，active 展开 */
.ji-document-list .ji-doc-child > .ji-doc-docs {
    display: none;
}
.ji-document-list .ji-doc-child.active > .ji-doc-docs {
    display: block;
    /* 竖线2：对齐子分类标题文本起点，继续缩进 */
    margin-left: 6px;
    border-left: 1px dashed var(--border-color);
    padding-left: 12px;
}
.ji-document-list .ji-doc-child > .ji-doc-docs .ji-doc-post-title {
    margin-left: 15px;
}

/* ---------- 顶部 Hero 搜索区 ---------- */
/* 桌面端：#content 左侧有固定导航（margin-left:160px），
   背景图铺满全宽，但搜索区相对内容可视区居中（padding-left 让出导航宽度） */
.ji-document-content .document-top {
    padding-left: 160px;
    box-sizing: border-box;
}
.ji-document-content .hero-content {
    position: relative;
    width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.ji-document-content .page-title {
    font-size: 22px;
    color: #ffffff;
    margin-bottom: 8px;
    letter-spacing: 1px;
    /* text-shadow: 0 2px 4px var(--border-light); */
}
.ji-document-content .page-subtitle {
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 24px;
}
.ji-document-content .doc_search-wrapper {
    position: relative;
    width: 100%;
}
.ji-document-content .doc_search-input {
    width: 100%;
    height: 48px;
    padding: 0 20px 0 48px;
    font-size: var(--fs-sm);
    color: var(--text-primary);
    /* background-color: var(--border-light); */
    border: none;
    border-radius: var(--b2radius);
    outline: none;
    /* 去掉倒影阴影与过渡动画 */
    box-shadow: none;
    transition: none;
}
.ji-document-content .doc_search-input::placeholder {
    color: var(--text-muted);
}
.ji-document-content .doc_search-input:focus {
    background-color: var(--bg-card);
    box-shadow: none;
}
.ji-document-content .doc_search-icon {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    width: 20px;
    height: 20px;
}

/* ---------- 主体布局：左侧分类 + 右侧内容 ---------- */
/* 三栏间距统一由容器 gap: var(--gap) 控制，右栏不再使用 margin-left（覆盖 B2 父主题 .widget-area 的 margin-left:16px） */
.ji-document-content .main-container > .widget-area,
.ji-document-content .main-container > .sidebar-left {
    margin-left: 0 !important;
}
.ji-document-content .main-container {
    margin: 310px auto 0;
    display: flex;
    gap: var(--gap);
    width: 100%;
    align-items: flex-start;
    position: relative;
}
.ji-document-content .sidebar-left {
    width: 200px;
    flex-shrink: 0;
    background-color: var(--bg-card);
    border-radius: var(--b2radius);
    padding: var(--gap);
    position: sticky;      /* 分类树导航：跟随滚动固定在顶部 */
    top: 24px;
}
.ji-document-content .sidebar-left i {
    transform: translateY(-1px);
}
.ji-document-content .sidebar-title {
    font-size: var(--fs-base);
    color: var(--text-primary);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}
.ji-document-content .category-list {
    list-style: none;
}
.ji-document-content .category-item {
    margin-bottom: 6px;
}
.ji-document-content .category-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    font-size: var(--fs-sm);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--b2radius);
    transition: all 0.25s ease;
}
.ji-document-content .category-link:hover {
    background-color: var(--text-bjcolor);
    color: var(--text-primary);
}
.ji-document-content .category-link.active {
    background-color: var(--text-bjcolor);
    color: var(--text-primary);
}
.ji-document-content .cat-name {
    display: flex;
    align-items: center;
    gap: 8px;
}
.ji-document-content .icon-i {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-xs);
    font-family: serif;
    border: 1px solid currentColor;
    opacity: 0.5;
    transition: all 0.25s ease;
}
.ji-document-content .category-link:hover .icon-i,
.ji-document-content .category-link.active .icon-i {
    opacity: 1;
}
/* 分类图片图标与 ICON 图标同尺寸 */
.ji-document-content .category-link .ji-term-image,
.ji-document-content .category-link .ji-term-image-default {
    width: 16px;
    height: 16px;
    object-fit: cover;
    border-radius: 4px;
    flex-shrink: 0;
}
.ji-document-content .doc-count {
    font-size: var(--fs-xs);
    color: var(--text-muted);
    background-color: var(--bg-subtle);
    padding: 2px 8px;
    border-radius: var(--b2radius);
}
.ji-document-content .category-link.active .doc-count {
    background-color: var(--text-bjcolor);
    color: var(--text-primary);
}

/* ---------- 右侧内容列表 ---------- */
.ji-document-content .content-area {
    flex-grow: 1;
    background-color: var(--bg-card);
    border-radius: var(--b2radius);
    padding: 32px;
    min-width: 0;
}
.ji-document-content .list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}
.ji-document-content .list-title {
    font-size: var(--fs-base);
    color: var(--text-primary);
}
.ji-document-content .list-sort {
    font-size: var(--fs-xs);
    color: var(--text-muted);
    display: flex;
    gap: 12px;
}
.ji-document-content .sort-item {
    cursor: pointer;
    transition: all 0.25s ease;
}
.ji-document-content .sort-item.active {
    color: var(--text-primary);
}
.ji-document-content .doc-list {
    list-style: none;
}
.ji-document-content .doc-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-decoration: none;
    padding: 18px 12px;
    border-bottom: 1px dashed var(--border-color);
    transition: all 0.25s ease;
    border-radius: var(--b2radius);
}
.ji-document-content .doc-item:last-child {
    border-bottom: none;
    padding-bottom: 18px;
}
.ji-document-content .doc-item:hover {
    background-color: var(--text-bjcolor);
    border-bottom-color: transparent;
}
.ji-document-content .doc-item-left {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
    flex-grow: 1;
}
.ji-document-content .doc-title {
    font-size: var(--fs-base);
    color: var(--text-primary);
    transition: all 0.25s ease;
    display: flex;
    align-items: center;
    line-height: 20px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-direction: row;
    align-content: center;
}
.ji-document-content .doc-title svg {
    height: 20px;
    width: 20px;
    margin-right: 5px;
}
.ji-document-content .doc-item:hover .doc-title {
    color: var(--text-primary);
}
.ji-document-content .doc-meta .cat_zan .zan {
    margin-right: 5px;
}
.ji-document-content .doc-meta {
    display: flex;
    gap: 8px;
    font-size: var(--fs-xs);
    color: var(--text-primary);
    margin-top: 10px;
}
.ji-document-content .meta-tag {
    background-color: var(--text-bjcolor);
    color: var(--text-muted);
    padding: 5px;
    margin-right: 5px;
    border-radius: 4px;
    transition: all 0.25s ease;
}
.ji-document-content .meta-tag i {
    margin-right: 5px;
    font-size: var(--fs-xs);
}

/* 文档列表收藏按钮（分类标签区内）：未收藏=线框星，已收藏=实心星+金色背景 */
.ji_document-cat-rot {
    display: flex;
    gap: 8px;
}

.ji-document-content .doc-item-right {
    flex-shrink: 0;
    margin-left: 20px;
    display: flex;
    align-items: center;
}

/* 文档列表收藏按钮：行内小星标（覆盖 .ji-fav-btn 的绝对定位） */
.ji-document-content .ji-fav-btn-doc {
    position: static;
    width: 28px;
    height: 28px;
    margin-right: 10px;
    font-size: var(--fs-md);
    flex-shrink: 0;
}
.ji-document-content .ji-fav-btn-doc i {
    font-size: var(--fs-md);
}
.ji-document-content .doc-date {
    font-size: var(--fs-xs);
    color: var(--text-muted);
    transition: all 0.25s ease;
}
.ji-document-content .doc-item:hover .doc-date {
    color: var(--text-primary);
}

/* ---------- 分页 ---------- */
.ji-document-content .ji-pagenav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 10px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
}
.ji-document-content .ji-pagenav .pagination {
    display: flex;
    align-items: center;
    gap: 8px;
}
.ji-document-content .ji-pagenav .page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 34px;
    height: 34px;
    padding: 0 12px;
    font-size: var(--fs-xs);
    color: var(--text-muted);
    text-decoration: none;
    border-radius: var(--b2radius);
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    transition: all 0.25s ease;
    cursor: pointer;
    white-space: nowrap;
}
.ji-document-content .ji-pagenav .page-btn:hover {
    color: var(--text-primary);
    border-color: var(--border-primary-soft);
    background-color: var(--bg-primary-soft);
}
.ji-document-content .ji-pagenav .page-btn.active {
    background-color: var(--text-primary);
    color: #ffffff;
    border-color: var(--text-primary);
}
.ji-document-content .ji-pagenav .page-btn.disabled {
    color: #cfd8dc;
    cursor: not-allowed;
    background-color: var(--bg-subtle);
    border-color: var(--border-color);
}
.ji-document-content .ji-pagenav .page-btn.disabled:hover {
    color: #cfd8dc;
    background-color: var(--bg-subtle);
    border-color: var(--border-color);
}
.ji-document-content .ji-pagenav .pager-jump {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
}
.ji-document-content .ji-pagenav .pager-center {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    height: 34px;
    padding: 0 12px;
    font-size: var(--fs-xs);
    color: var(--text-muted);
    background-color: var(--bg-card-hover);
    border-radius: var(--b2radius);
    border: 1px solid var(--border-color);
    flex-shrink: 0;
    width: auto;
    box-sizing: border-box;
}
.ji-document-content .ji-pagenav .pager-center input {
    width: 32px;
    height: 22px;
    text-align: center;
    border: none;
    border-bottom: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-primary);
    font-size: var(--fs-xs);
    outline: none;
    transition: all 0.25s ease;
    padding: 0;
    font-family: inherit;
}
.ji-document-content .ji-pagenav .pager-center input:focus {
    border-bottom-color: #5c7cfa;
    color: #5c7cfa;
}
.ji-document-content .ji-pagenav .pager-center span {
    color: var(--text-muted);
    font-size: var(--fs-xs);
    margin: 0 2px;
    white-space: nowrap;
}
.ji-document-content .ji-pagenav .pager-center button.b2-color.text {
    background: transparent;
    border: none;
    color: #5c7cfa;
    font-size: var(--fs-xs);
    cursor: pointer;
    padding: 0 4px;
    transition: all 0.25s ease;
    font-family: inherit;
}
.ji-document-content .ji-pagenav .pager-center button.b2-color.text:hover {
    color: #4059d6;
    text-decoration: underline;
}

/* ---------- 响应式：平板/手机 ---------- */
@media (max-width: 768px) {
    .ji-document-content .ji-pagenav {
        flex-direction: column;
        gap: 12px;
        padding-top: 10px;
        margin-top: 24px;
    }
    .ji-document-content .ji-pagenav .pager-jump {
        display: none;
    }
    .ji-document-content .ji-pagenav .page-btn {
        min-width: 30px;
        height: 30px;
        padding: 0 8px;
        font-size: var(--fs-xs);
    }
}
@media (max-width: 1024px) {
    .ji-document-content .sidebar-right {
        display: none;
    }
}
@media (max-width: 768px) {
    .ji-document-content body {
        padding-bottom: 20px;
    }
    .ji-document-content .hero-section {
        padding: 40px 16px 60px;
    }
    .ji-document-content .document-top {
        padding-left: 0;
    }
    .ji-document-content .main-container {
        flex-direction: column;
        padding: 0 16px;
    }
    .ji-document-content .sidebar-left {
        width: 100%;
        position: static;
        padding: 16px;
    }
    .ji-document-content .category-list {
        display: flex;
        overflow-x: auto;
        gap: 8px;
        padding-bottom: 8px;
        scrollbar-width: none;
    }
    .ji-document-content .category-list::-webkit-scrollbar {
        display: none;
    }
    .ji-document-content .category-item {
        margin-bottom: 0;
        flex-shrink: 0;
    }
    .ji-document-content .category-link {
        white-space: nowrap;
        padding: 6px 12px;
        border: 1px solid var(--border-color);
    }
    .ji-document-content .doc-count {
        display: none;
    }
    .ji-document-content .content-area {
        padding: 20px;
    }
    .ji-document-content .list-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    .ji-document-content .doc-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        padding: 16px 8px;
    }
    .ji-document-content .doc-item-right {
        margin-left: 0;
        align-self: flex-start;
    }
}

/* ---------- 文档详情页三栏布局 ---------- */
/* 修复 B2 主题 html/body overflow 使 position:sticky 失效（body 成为不滚动的滚动容器，
   左栏分类树无法固定顶部）。仅文档页覆盖为 visible，弹窗锁定仍由 JS 内联 overflow 控制，不受影响 */
body.post-type-archive-document,
body.single-document,
body.document-template-default {
    /* B2 设了 body{overflow-x:hidden; overflow-y:auto}，使 position:sticky 相对不滚动的 body 而失效。
       两轴都改为 visible：sticky 回到视口（html）滚动上下文；文档页布局固定宽，不会产生横向滚动 */
    overflow: visible !important;
}
.b2-document-content.ji-document-list {
    display: flex;
    align-items: flex-start;
    gap: var(--gap);      /* 三栏间距统一由 gap 控制 */
}
.b2-document-content.ji-document-list {
    position: relative;   /* 侧栏 absolute 定位基准 */
}
.b2-document-content.ji-document-list > .document-left {
    width: 220px;
    flex-shrink: 0;
    position: sticky;      /* 分类树导航：跟随滚动固定在顶部 */
    top: 24px;
}
.b2-document-content.ji-document-list > .content-area {
    flex: 1;
    min-width: 0;
}
.b2-document-content.ji-document-list > .widget-area {
    width: 320px;
    flex-shrink: 0;
    margin-left: 0 !important;   /* 右栏间距由容器 gap 控制，覆盖 B2 父主题 margin-left:16px */
}
@media (max-width: 900px) {
    .b2-document-content.ji-document-list {
        flex-direction: column;
    }
    .b2-document-content.ji-document-list > .document-left,
    .b2-document-content.ji-document-list > .widget-area {
        width: 100%;
        position: static;
    }
}

/* ---------- 文档分类树：父分类可收缩 + 子分类嵌套 ---------- */
.ji-document-content .doc-cat-parent {
    position: relative;
}
.ji-document-content .doc-cat-toggle {
    cursor: pointer;
    user-select: none;
}
.ji-document-content .doc-cat-right {
    display: flex;
    align-items: center;
    gap: 6px;
}
.ji-document-content .doc-cat-toggle .b2-arrow-down-s-line {
    font-size: var(--fs-base);
    line-height: 1;
    color: var(--text-muted);
    transition: transform 0.25s ease;
    flex-shrink: 0;
}
.ji-document-content .doc-cat-parent.collapsed .b2-arrow-down-s-line {
    transform: rotate(-90deg);
}
.ji-document-content .doc-cat-parent.collapsed .doc-cat-children {
    display: none;
}
.ji-document-content .doc-cat-children {
    list-style: none;
    margin: 2px 0 6px 20px;
    padding-left: 14px;
    border-left: 1px dashed var(--border-color);
}
.ji-document-content .doc-cat-children .category-item {
    margin-bottom: 2px;
}
.ji-document-content .doc-cat-children .category-link {
    padding: 6px 10px;
    font-size: var(--fs-xs);
}
.ji-document-content .doc-cat-children .doc-count {
    padding: 1px 6px;
    font-size: var(--fs-xs);
}

/* 移动端：横向滚动时子分类跟随横排，隐藏收缩箭头 */
@media (max-width: 768px) {
    .ji-document-content .doc-cat-children {
        display: flex;
        padding-left: 0;
        border-left: none;
        margin: 4px 0 0;
    }
    .ji-document-content .doc-cat-children .category-item {
        margin: 0;
    }
    .ji-document-content .b2-arrow-down-s-line {
        display: none;
    }
    /* 移动端无箭头可点，始终保持子分类展开 */
    .ji-document-content .doc-cat-parent.collapsed .doc-cat-children {
        display: flex;
    }
}

/* ============ 暗夜模式适配（document.css） ============ */
[data-theme="dark"] .ji-document-list .document-left-item .ji-doc-sub::-webkit-scrollbar-track { background: #24262c; }
[data-theme="dark"] .ji-document-list .document-left-item .ji-doc-sub::-webkit-scrollbar-thumb { background: #3a3f47; }
[data-theme="dark"] .ji-document-list .document-left-item .ji-doc-sub::-webkit-scrollbar-thumb:hover { background: #4a4f58; }
[data-theme="dark"] .ji-document-list .ji-doc-parent-title,
[data-theme="dark"] .ji-document-list .ji-doc-parent-title .icon,
[data-theme="dark"] .ji-document-list .ji-doc-parent-title .arrow,
[data-theme="dark"] .ji-document-list .arrow,
[data-theme="dark"] .ji-document-list .ji-doc-post,
[data-theme="dark"] .ji-document-list .ji-doc-post-title,
[data-theme="dark"] .ji-document-list .ji-doc-post:before,
[data-theme="dark"] .ji-document-list .ji-doc-child-title,
[data-theme="dark"] .ji-document-list .ji-doc-child-title .arrow { color: #e8eaf0; }
[data-theme="dark"] .ji-document-list .ji-doc-parent-title:hover,
[data-theme="dark"] .ji-document-list .ji-doc-parent-title.active,
[data-theme="dark"] .ji-document-list .ji-doc-post:hover,
[data-theme="dark"] .ji-document-list .ji-doc-post.selected,
[data-theme="dark"] .ji-document-list .ji-doc-child-title:hover,
[data-theme="dark"] .ji-document-list .ji-doc-child-title.active-cat { background-color: #2a2d33; color: #e8eaf0; }
[data-theme="dark"] .ji-document-content .ji-pagenav .page-btn:hover { border-color: #3a4a66; background-color: #223047; }
[data-theme="dark"] .ji-document-content .ji-pagenav .pager-center { background-color: #24262c; }
[data-theme="dark"] .ji-document-content .ji-pagenav .pager-center input { border-bottom-color: #3a3f47; }