393 lines
8.8 KiB
Vue
393 lines
8.8 KiB
Vue
<!-- 知识课堂页面 -->
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<template>
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<s-layout title="知识课堂" navbar="inner" color="#333333">
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<!-- 渐变背景 -->
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<view class="gradient-bg"></view>
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<view class="knowledge-classroom-page">
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<!-- Tab 切换栏 -->
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<view class="tab-bar">
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<view
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class="tab-item"
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v-for="(tab, index) in tabList"
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:key="index"
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:class="{ active: currentTab === index }"
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@tap="switchTab(index)"
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>
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<text class="tab-text">{{ tab }}</text>
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<view class="tab-indicator" v-if="currentTab === index"></view>
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</view>
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</view>
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<!-- 列表区域 - 独立滚动区域 -->
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<scroll-view class="classroom-list" scroll-y :style="{ height: scrollViewHeight + 'px' }" v-if="classroomList.length > 0">
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<view class="list-inner" :class="{ 'grid-layout': currentTab === 1 }">
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<view
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class="classroom-item"
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v-for="(item, index) in classroomList"
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:key="index"
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@tap="goDetail(item)"
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>
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<!-- 封面图 -->
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<view class="item-cover-wrap">
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<image class="item-cover" :src="item.cover" mode="aspectFill" />
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</view>
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<!-- 内容区 -->
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<view class="item-content">
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<text class="item-title">{{ item.title }}</text>
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<view class="item-footer" v-if="currentTab === 0">
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<text class="item-date">{{ item.date }}</text>
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</view>
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<view class="item-footer" v-else>
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<view class="item-stat">
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<text class="stat-icon">👁</text>
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<text class="stat-text">{{ item.views }}</text>
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</view>
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<view class="item-stat">
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<text class="stat-icon">♡</text>
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<text class="stat-text">{{ item.likes }}</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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</view>
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</scroll-view>
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<!-- 空状态 -->
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<view class="empty-state" v-else>
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<text class="empty-text">暂无数据</text>
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</view>
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</view>
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</s-layout>
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</template>
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<script setup>
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import { ref, onMounted, nextTick, getCurrentInstance, computed } from 'vue';
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import { onLoad } from '@dcloudio/uni-app';
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import KnowledgeApi from '@/sheep/api/community/knowledge';
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import sheep from '@/sheep';
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// 列表滚动区域高度（单位：px），通过JS计算后绑定到scroll-view
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const scrollViewHeight = ref(0);
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// Tab 列表
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const tabList = ref(['法律小课堂', '小区治理']);
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const currentTab = ref(0);
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// 知识课堂列表
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const classroomList = ref([]);
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// 分页参数
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const pageNo = ref(1);
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const pageSize = ref(10);
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const total = ref(0);
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const loading = ref(false);
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const noMore = ref(false);
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// 当前小区ID
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const communityId = computed(() => {
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return sheep.$store('user').userInfo?.currentCommunityId || null;
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});
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// Tab 类型映射
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const tabTypeMap = {
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0: 1, // 法律小课堂
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1: 2, // 小区治理
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};
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// 格式化数量
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function formatCount(count) {
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if (!count && count !== 0) return '0';
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if (count >= 10000) {
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return (count / 10000).toFixed(1) + '万';
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}
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return String(count);
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}
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// 页面加载
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onLoad((options) => {
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if (options.tab) {
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currentTab.value = parseInt(options.tab);
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}
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loadClassroomList();
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});
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// 页面渲染完成后，计算scroll-view的精确高度
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onMounted(() => {
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const instance = getCurrentInstance();
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nextTick(() => {
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const sysInfo = uni.getSystemInfoSync();
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// 获取tab栏的实际渲染高度
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uni.createSelectorQuery()
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.in(instance)
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.select('.tab-bar')
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.boundingClientRect((rect) => {
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if (rect) {
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// scroll-view高度 = 屏幕可用高度 - tab栏高度 - tab栏距离顶部的高度
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scrollViewHeight.value = sysInfo.windowHeight - rect.height - rect.top;
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}
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})
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.exec();
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});
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});
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// 切换 Tab
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function switchTab(index) {
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currentTab.value = index;
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pageNo.value = 1;
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noMore.value = false;
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loadClassroomList();
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}
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// 加载知识课堂列表
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async function loadClassroomList() {
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if (loading.value) return;
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loading.value = true;
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const params = {
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pageNo: pageNo.value,
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pageSize: pageSize.value,
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};
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const classType = tabTypeMap[currentTab.value];
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if (classType) {
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params.classType = classType;
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}
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if (communityId.value) {
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params.communityId = communityId.value;
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}
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const { code, data } = await KnowledgeApi.getPage(params);
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loading.value = false;
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if (code === 0 && data) {
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const list = (data.list || []).map((item) => ({
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id: item.id,
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title: item.title,
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cover: item.coverImage || '/static/img/guest.png',
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views: formatCount(item.viewCount),
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likes: formatCount(item.likeCount),
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date: item.createTime ? sheep.$helper.timeFormat(item.createTime, 'yyyy/mm/dd hh:MM') : '',
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}));
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if (pageNo.value === 1) {
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classroomList.value = list;
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} else {
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classroomList.value = classroomList.value.concat(list);
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}
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total.value = data.total || 0;
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noMore.value = classroomList.value.length >= total.value;
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}
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}
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// 加载更多
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function loadMore() {
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if (noMore.value || loading.value) return;
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pageNo.value += 1;
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loadClassroomList();
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}
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// 跳转详情
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function goDetail(item) {
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uni.navigateTo({
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url: `/pages/sub/knowledge/detail?id=${item.id}&tab=${currentTab.value}`
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});
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}
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</script>
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<style lang="scss" scoped>
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/* 渐变背景 */
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.gradient-bg {
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position: fixed;
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top: 0;
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left: 0;
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width: 750rpx;
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height: 660rpx;
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background: linear-gradient(180deg, #F8EDE8 0%, #F5F5F5 50%);
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z-index: 0;
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pointer-events: none;
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}
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/* 页面容器 */
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.knowledge-classroom-page {
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position: relative;
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z-index: 1;
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}
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/* Tab 切换栏 */
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.tab-bar {
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display: flex;
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align-items: center;
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justify-content: space-around;
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padding: 36rpx 50rpx;
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.tab-item {
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position: relative;
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padding: 8rpx 16rpx;
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.tab-text {
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font-size: 30rpx;
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color: #999999;
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transition: all 0.3s;
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}
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&.active .tab-text {
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font-size: 32rpx;
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font-weight: 600;
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color: #333333;
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}
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.tab-indicator {
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position: absolute;
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bottom: 0;
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left: 50%;
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transform: translateX(-50%);
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width: 48rpx;
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height: 6rpx;
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background: linear-gradient(90deg, #FF7F69 0%, #FC5A5D 100%);
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border-radius: 3rpx;
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}
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}
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}
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/* 列表 - scroll-view，高度由JS动态绑定 */
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.classroom-list {
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/* 高度由 :style="{ height: scrollViewHeight + 'px' }" 控制 */
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}
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/* 列表内容包裹层 - 负责padding间距 */
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.list-inner {
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padding: 24rpx 32rpx;
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&.grid-layout {
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display: flex;
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flex-wrap: wrap;
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justify-content: space-between;
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}
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}
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/* 知识课堂项 */
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.classroom-item {
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display: flex;
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background-color: #FFFFFF;
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border-radius: 16rpx;
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padding: 24rpx;
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margin-bottom: 19rpx;
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box-shadow: 0 4rpx 16rpx rgba(0, 0, 0, 0.06);
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.grid-layout & {
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width: 335rpx;
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flex-direction: column;
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padding: 0;
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overflow: hidden;
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}
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.item-cover-wrap {
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position: relative;
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flex-shrink: 0;
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.grid-layout & {
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width: 100%;
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}
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.item-cover {
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width: 305rpx;
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height: 168rpx;
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border-radius: 12rpx;
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.grid-layout & {
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width: 100%;
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height: 200rpx;
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border-radius: 0;
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}
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}
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.play-icon {
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position: absolute;
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top: 50%;
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left: 50%;
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transform: translate(-50%, -50%);
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width: 80rpx;
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height: 80rpx;
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background: rgba(255, 255, 255, 0.9);
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border-radius: 50%;
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display: flex;
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align-items: center;
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justify-content: center;
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.play-img {
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width: 40rpx;
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height: 40rpx;
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}
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}
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}
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.item-content {
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flex: 1;
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margin-left: 24rpx;
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display: flex;
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flex-direction: column;
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justify-content: space-between;
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.grid-layout & {
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margin-left: 0;
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padding: 16rpx;
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}
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.item-title {
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font-size: 28rpx;
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font-weight: 500;
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color: #333333;
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line-height: 1.5;
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display: -webkit-box;
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-webkit-box-orient: vertical;
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-webkit-line-clamp: 2;
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overflow: hidden;
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text-overflow: ellipsis;
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}
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.item-footer {
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display: flex;
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align-items: center;
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justify-content: space-between;
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margin-top: 12rpx;
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.item-date {
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font-size: 24rpx;
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color: #999999;
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}
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.item-stat {
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display: flex;
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align-items: center;
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.stat-icon {
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font-size: 24rpx;
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margin-right: 6rpx;
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}
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.stat-text {
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font-size: 24rpx;
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color: #999999;
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}
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}
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}
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}
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}
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/* 空状态 */
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.empty-state {
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display: flex;
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align-items: center;
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justify-content: center;
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padding: 200rpx 0;
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.empty-text {
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font-size: 28rpx;
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color: #999999;
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}
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}
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</style>
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