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src/components/WorkList/index.vue
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317
src/components/WorkList/index.vue
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<template>
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<view class="work-list">
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<!-- 骨架屏 -->
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<view v-if="isLoading && workList.length === 0" class="skeleton-wrapper">
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<view class="waterfall">
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<view class="column">
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<view v-for="i in 3" :key="'l'+i" class="skeleton-card">
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<view class="skeleton-image"></view>
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<view class="skeleton-info">
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<view class="skeleton-title"></view>
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<view class="skeleton-bottom">
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<view class="skeleton-avatar"></view>
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<view class="skeleton-name"></view>
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</view>
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</view>
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</view>
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</view>
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<view class="column">
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<view v-for="i in 3" :key="'r'+i" class="skeleton-card" :class="{'skeleton-short': i === 1}">
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<view class="skeleton-image"></view>
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<view class="skeleton-info">
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<view class="skeleton-title"></view>
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<view class="skeleton-bottom">
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<view class="skeleton-avatar"></view>
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<view class="skeleton-name"></view>
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</view>
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</view>
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</view>
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</view>
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</view>
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</view>
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<!-- 瀑布流双列布局 -->
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<view v-else class="waterfall" hover-class="none">
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<view class="column" hover-class="none">
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<WorkCard
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v-for="item in leftList"
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:key="item.id"
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:work="item"
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:page-visible="pageVisible"
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@click="handleWorkClick"
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@like-change="handleLikeChange"
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/>
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</view>
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<view class="column" hover-class="none">
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<WorkCard
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v-for="item in rightList"
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:key="item.id"
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:work="item"
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:page-visible="pageVisible"
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@click="handleWorkClick"
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@like-change="handleLikeChange"
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/>
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</view>
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</view>
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<!-- 加载状态 -->
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<view class="load-status">
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<view v-if="isLoading && workList.length > 0" class="loading">
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<text class="loading-text">加载中...</text>
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</view>
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<view v-else-if="isFinished && workList.length > 0" class="no-more">
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<text class="no-more-text">没有更多了</text>
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</view>
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</view>
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</view>
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</template>
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<script setup>
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import { ref, computed, watch, onMounted, onUnmounted } from 'vue'
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import { getWorkList } from '@/api/work'
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import WorkCard from '@/components/WorkCard/index.vue'
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const props = defineProps({
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// 自动加载模式的参数
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sortType: { type: String, default: 'hot' },
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categoryId: { type: [Number, String], default: null },
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// 外部数据模式的参数
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works: { type: Array, default: null },
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loading: { type: Boolean, default: false },
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finished: { type: Boolean, default: false },
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// 页面可见性，控制WorkCard中video组件的挂载/卸载
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pageVisible: { type: Boolean, default: true }
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})
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const emit = defineEmits(['click', 'item-click', 'like-change', 'load-more'])
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// 内部数据（自动加载模式）
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const internalList = ref([])
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const internalLoading = ref(false)
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const internalHasMore = ref(true)
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const pageNum = ref(1)
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const pageSize = 10
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const MAX_LIST_SIZE = 100 // 列表最大条数，超出后裁剪头部释放内存
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// 判断是否使用外部数据模式
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const isExternalMode = computed(() => props.works !== null)
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// 统一的数据源
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const workList = computed(() => isExternalMode.value ? props.works : internalList.value)
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const isLoading = computed(() => isExternalMode.value ? props.loading : internalLoading.value)
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const isFinished = computed(() => isExternalMode.value ? props.finished : !internalHasMore.value)
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// 瀑布流分列
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const leftList = computed(() => workList.value.filter((_, i) => i % 2 === 0))
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const rightList = computed(() => workList.value.filter((_, i) => i % 2 === 1))
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// 加载数据（自动加载模式）
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const loadData = async (isRefresh = false) => {
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if (isExternalMode.value) return
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if (internalLoading.value) return
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if (!isRefresh && !internalHasMore.value) return
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internalLoading.value = true
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try {
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const params = {
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sortType: props.sortType || 'hot',
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pageNum: isRefresh ? 1 : pageNum.value,
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pageSize
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}
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// 只有当 categoryId 存在且不为 null/undefined 时才添加
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if (props.categoryId != null && props.categoryId !== '' && props.categoryId !== 'null' && props.categoryId !== 'undefined') {
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params.categoryId = props.categoryId
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}
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const res = await getWorkList(params)
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if (isRefresh) {
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internalList.value = res?.list || []
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pageNum.value = 1
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} else {
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internalList.value = [...internalList.value, ...(res?.list || [])]
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}
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// 裁剪超出上限的头部数据，防止内存溢出
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if (internalList.value.length > MAX_LIST_SIZE) {
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internalList.value = internalList.value.slice(-MAX_LIST_SIZE)
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}
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internalHasMore.value = res?.hasNext ?? false
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pageNum.value++
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} catch (e) {
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console.error('加载作品失败', e)
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} finally {
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internalLoading.value = false
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}
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}
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// 刷新
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const refresh = () => {
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if (isExternalMode.value) return
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internalHasMore.value = true
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loadData(true)
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}
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// 加载更多
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const loadMore = () => {
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if (isExternalMode.value) {
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emit('load-more')
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} else if (!internalLoading.value && internalHasMore.value) {
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loadData()
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}
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}
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// 监听筛选条件变化（自动加载模式）
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watch(() => [props.sortType, props.categoryId], () => {
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if (!isExternalMode.value) {
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refresh()
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}
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}, { immediate: false, deep: true })
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// 处理点击
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const handleWorkClick = (work) => {
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emit('click', work)
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emit('item-click', work)
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}
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// 处理点赞变化
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const handleLikeChange = (data) => {
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emit('like-change', data)
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// 自动加载模式下更新内部数据
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if (!isExternalMode.value) {
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const item = internalList.value.find(w => w.id === data.id)
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if (item) {
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item.liked = data.liked
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item.likeCount = Math.max(0, data.likeCount)
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}
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}
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}
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// 监听页面滚动到底部
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const onReachBottom = () => {
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loadMore()
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}
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// 暴露方法
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defineExpose({ refresh, loadMore })
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onMounted(() => {
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if (!isExternalMode.value) {
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loadData(true)
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}
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uni.$on('reachBottom', onReachBottom)
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})
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onUnmounted(() => {
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uni.$off('reachBottom', onReachBottom)
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// 释放列表数据内存
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internalList.value = []
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})
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</script>
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<style scoped>
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.work-list {
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padding: 0;
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}
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.waterfall {
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display: flex;
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gap: 10px;
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-webkit-transform: translateZ(0);
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transform: translateZ(0);
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}
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.column {
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flex: 1;
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display: flex;
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flex-direction: column;
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-webkit-transform: translateZ(0);
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transform: translateZ(0);
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}
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/* 骨架屏样式 */
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.skeleton-wrapper {
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width: 100%;
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}
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.skeleton-card {
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background: #18181b;
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border-radius: 12px;
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overflow: hidden;
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margin-bottom: 12px;
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}
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.skeleton-image {
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width: 100%;
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height: 200px;
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background: linear-gradient(90deg, #27272a 25%, #3f3f46 50%, #27272a 75%);
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background-size: 200% 100%;
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animation: shimmer 1.5s infinite;
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}
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.skeleton-short .skeleton-image {
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height: 150px;
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}
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.skeleton-info {
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padding: 10px 12px 12px;
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}
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.skeleton-title {
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height: 16px;
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width: 80%;
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background: linear-gradient(90deg, #27272a 25%, #3f3f46 50%, #27272a 75%);
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background-size: 200% 100%;
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animation: shimmer 1.5s infinite;
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border-radius: 4px;
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}
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.skeleton-bottom {
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display: flex;
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align-items: center;
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margin-top: 10px;
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}
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.skeleton-avatar {
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width: 22px;
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height: 22px;
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border-radius: 50%;
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background: linear-gradient(90deg, #27272a 25%, #3f3f46 50%, #27272a 75%);
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background-size: 200% 100%;
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animation: shimmer 1.5s infinite;
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}
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.skeleton-name {
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height: 12px;
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width: 60px;
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margin-left: 6px;
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background: linear-gradient(90deg, #27272a 25%, #3f3f46 50%, #27272a 75%);
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background-size: 200% 100%;
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animation: shimmer 1.5s infinite;
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border-radius: 4px;
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}
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@keyframes shimmer {
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0% {
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background-position: -200% 0;
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}
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100% {
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background-position: 200% 0;
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}
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}
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/* 加载状态 */
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.load-status {
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padding: 20px 0;
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text-align: center;
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}
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.loading-text,
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.no-more-text {
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font-size: 13px;
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color: #71717a;
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}
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</style>
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