Ubuntu
362 lines
7.3 KiB
Vue
362 lines
7.3 KiB
Vue
<template>
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<view class="category-tree-container">
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<!-- 搜索栏 -->
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<view class="search-section" v-if="showSearch">
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<view class="search-input" @click="handleSearchClick">
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<text class="search-icon">🔍</text>
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<text class="search-placeholder">搜索体系分类...</text>
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</view>
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</view>
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<!-- 分类树 -->
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<scroll-view
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class="category-scroll"
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scroll-y
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:scroll-with-animation="true"
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:show-scrollbar="false"
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>
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<!-- 空状态 -->
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<empty-state
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v-if="!loading && categories.length === 0"
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:title="'暂无分类'"
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:description="'暂无体系分类数据'"
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:show-action="true"
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:action-text="'刷新'"
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@action="$emit('refresh')"
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/>
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<!-- 分类列表 -->
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<view v-else class="category-list">
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<view
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v-for="category in categories"
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:key="category.id"
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class="category-item"
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:class="{
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'category-level-1': true,
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'expanded': category.expanded,
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'selected': selectedCategory?.id === category.id
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}"
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>
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<!-- 一级分类 -->
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<view
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class="category-header"
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@click="handleCategoryClick(category)"
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>
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<view class="category-info">
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<text class="category-icon">📚</text>
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<text class="category-name">{{ category.name }}</text>
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<text class="category-count" v-if="category.children.length > 0">
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({{ category.children.length }})
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</text>
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</view>
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<view class="category-actions">
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<!-- 展开/收起箭头 -->
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<text
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class="expand-icon"
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v-if="category.children.length > 0"
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@click.stop="toggleCategoryExpand(category)"
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>
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{{ category.expanded ? '▼' : '▶' }}
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</text>
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<!-- 选中标记 -->
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<text
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class="selected-icon"
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v-if="selectedCategory?.id === category.id"
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>
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✓
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</text>
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</view>
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</view>
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<!-- 二级分类（子分类） -->
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<view
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class="subcategory-list"
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v-if="category.expanded && category.children.length > 0"
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>
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<view
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v-for="child in category.children"
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:key="child.id"
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class="subcategory-item"
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:class="{
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'category-level-2': true,
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'selected': selectedCategory?.id === child.id
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}"
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@click="handleSubcategoryClick(child, category)"
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>
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<view class="subcategory-info">
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<text class="subcategory-icon">📖</text>
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<text class="subcategory-name">{{ child.name }}</text>
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</view>
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<text
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class="selected-icon"
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v-if="selectedCategory?.id === child.id"
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>
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✓
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</text>
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</view>
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</view>
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</view>
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</view>
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</scroll-view>
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</view>
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</template>
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<script>
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import EmptyState from '@/components/common/empty-state.vue'
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export default {
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name: 'CategoryTree',
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components: {
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EmptyState
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},
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props: {
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// 分类数据
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categories: {
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type: Array,
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default: () => []
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},
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// 选中的分类
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selectedCategory: {
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type: Object,
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default: null
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},
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// 是否显示搜索
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showSearch: {
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type: Boolean,
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default: true
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},
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// 加载状态
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loading: {
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type: Boolean,
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default: false
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}
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},
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data() {
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return {
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// 本地状态
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}
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},
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methods: {
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// 处理分类点击
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handleCategoryClick(category) {
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this.$emit('category-click', category)
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},
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// 处理子分类点击
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handleSubcategoryClick(childCategory, parentCategory) {
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this.$emit('subcategory-click', {
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...childCategory,
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parentCategory: {
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id: parentCategory.id,
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name: parentCategory.name
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}
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})
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},
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// 切换分类展开状态
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toggleCategoryExpand(category) {
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this.$emit('toggle-expand', {
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...category,
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expanded: !category.expanded
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})
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},
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// 处理搜索点击
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handleSearchClick() {
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this.$emit('search-click')
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}
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}
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}
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</script>
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<style scoped>
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.category-tree-container {
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display: flex;
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flex-direction: column;
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height: 100%;
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background-color: #f8f8f8;
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}
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/* 搜索栏 */
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.search-section {
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padding: 20rpx 30rpx;
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background-color: #fff;
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border-bottom: 1rpx solid #f0f0f0;
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}
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.search-input {
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display: flex;
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align-items: center;
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padding: 20rpx 30rpx;
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background-color: #f8f8f8;
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border-radius: 50rpx;
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border: 1rpx solid #e5e5e5;
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}
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.search-icon {
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font-size: 32rpx;
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margin-right: 16rpx;
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color: #999;
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}
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.search-placeholder {
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font-size: 28rpx;
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color: #999;
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flex: 1;
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}
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/* 分类滚动区域 */
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.category-scroll {
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flex: 1;
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}
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/* 分类列表 */
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.category-list {
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padding: 20rpx 0;
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}
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/* 一级分类 */
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.category-item {
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margin-bottom: 10rpx;
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background-color: #fff;
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border-radius: 16rpx;
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overflow: hidden;
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transition: all 0.3s ease;
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}
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.category-item.selected {
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background-color: #f0f9ff;
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border-left: 6rpx solid #3cc51f;
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}
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.category-header {
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display: flex;
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justify-content: space-between;
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align-items: center;
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padding: 30rpx;
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cursor: pointer;
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transition: all 0.3s ease;
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}
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.category-header:active {
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background-color: #f8f8f8;
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}
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.category-info {
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display: flex;
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align-items: center;
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flex: 1;
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}
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.category-icon {
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font-size: 36rpx;
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margin-right: 20rpx;
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color: #3cc51f;
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}
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.category-name {
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font-size: 32rpx;
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font-weight: 600;
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color: #333;
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flex: 1;
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}
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.category-count {
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font-size: 24rpx;
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color: #999;
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margin-left: 12rpx;
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}
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.category-actions {
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display: flex;
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align-items: center;
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gap: 20rpx;
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}
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.expand-icon {
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font-size: 24rpx;
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color: #999;
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padding: 10rpx;
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transition: transform 0.3s ease;
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}
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.expand-icon:active {
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color: #3cc51f;
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}
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.selected-icon {
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font-size: 28rpx;
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color: #3cc51f;
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font-weight: bold;
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}
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/* 二级分类列表 */
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.subcategory-list {
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background-color: #fafafa;
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border-top: 1rpx solid #f0f0f0;
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padding: 0 30rpx;
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}
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.subcategory-item {
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display: flex;
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justify-content: space-between;
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align-items: center;
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padding: 25rpx 0;
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border-bottom: 1rpx solid #f0f0f0;
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cursor: pointer;
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transition: all 0.3s ease;
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}
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.subcategory-item:last-child {
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border-bottom: none;
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}
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.subcategory-item:active {
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background-color: #f5f5f5;
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}
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.subcategory-item.selected {
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background-color: #f0f9ff;
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}
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.subcategory-info {
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display: flex;
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align-items: center;
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flex: 1;
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}
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.subcategory-icon {
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font-size: 28rpx;
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margin-right: 20rpx;
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color: #666;
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}
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.subcategory-name {
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font-size: 28rpx;
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color: #666;
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flex: 1;
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}
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/* 动画效果 */
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.category-item.expanded .expand-icon {
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transform: rotate(90deg);
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}
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/* 悬停效果（在支持hover的设备上） */
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@media (hover: hover) {
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.category-header:hover {
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background-color: #f8f8f8;
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}
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.subcategory-item:hover {
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background-color: #f5f5f5;
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}
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.expand-icon:hover {
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color: #3cc51f;
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}
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}
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</style> |