refactor(pages): 使用 flex 布局替代动态计算滚动高度
parent
203fd7a1a6
commit
b3fc83af1b
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@ -27,8 +27,8 @@
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</view>
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</view>
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<!-- 内容区域 - 独立滚动 -->
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<scroll-view class="detail-scroll" scroll-y :style="{ height: scrollViewHeight + 'px' }">
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<!-- 内容区域 - 滚动 -->
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<scroll-view class="detail-scroll" scroll-y>
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<view class="detail-content">
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<!-- 基本信息 -->
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<template v-if="currentTab === 'basic'">
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@ -119,15 +119,12 @@
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</template>
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<script setup>
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import { ref, onMounted, nextTick, getCurrentInstance } from 'vue';
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import { ref } from 'vue';
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import { onLoad } from '@dcloudio/uni-app';
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// 当前Tab
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const currentTab = ref('basic');
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// 列表滚动区域高度（单位：px）
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const scrollViewHeight = ref(0);
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// 活动详情数据
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const activityInfo = ref({
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id: null,
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@ -152,24 +149,6 @@ onLoad((options) => {
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}
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});
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// 渲染完成后计算scroll-view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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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栏距顶部距离 - 底部按钮高度(120rpx)
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scrollViewHeight.value = sysInfo.windowHeight - rect.height - rect.top - 60;
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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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// 加载活动详情
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async function loadActivityDetail(id) {
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// TODO: 调用API获取活动详情
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@ -224,16 +203,20 @@ function goBack() {
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</script>
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<style lang="scss" scoped>
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/* 页面容器 */
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/* 页面容器：纵向 flex 布局，减去导航栏高度 */
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.activity-detail-page {
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position: relative;
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min-height: 100vh;
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display: flex;
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flex-direction: column;
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height: calc(100vh - 176rpx);
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overflow: hidden;
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}
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/* 顶部Banner轮播 */
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.banner-swiper {
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width: 100%;
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height: 400rpx;
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flex-shrink: 0;
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}
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.banner-img {
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@ -249,6 +232,7 @@ function goBack() {
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background-color: #FFFFFF;
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padding: 0 32rpx;
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border-bottom: 1rpx solid #F0F0F0;
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flex-shrink: 0;
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.tab-item {
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flex: 1;
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@ -284,9 +268,12 @@ function goBack() {
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}
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}
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/* 内容滚动区域 */
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/* 内容滚动区域：flex:1 占满剩余空间，height:0 是小程序 scroll-view 配合 flex 的关键 */
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.detail-scroll {
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/* 高度由JS动态绑定 */
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position: relative;
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z-index: 5;
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flex: 1;
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height: 0;
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}
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/* 详情内容 */
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@ -410,9 +397,9 @@ function goBack() {
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padding: 32rpx;
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}
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/* 底部占位 */
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/* 底部占位：基础间距 + 安全区域 */
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.bottom-placeholder {
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height: 140rpx;
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height: calc(140rpx + env(safe-area-inset-bottom));
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}
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/* 底部固定按钮栏 */
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@ -5,7 +5,7 @@
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<!-- 渐变背景 -->
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<view class="gradient-bg"></view>
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<!-- 固定头部区域（标题+发布信息） -->
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<!-- 头部区域（标题+发布信息） -->
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<view class="detail-header">
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<view class="header-inner">
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<!-- 标题 -->
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@ -24,8 +24,8 @@
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</view>
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</view>
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<!-- 富文本内容 - 固定滚动区域 -->
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<scroll-view class="content-scroll" scroll-y :style="{ height: scrollHeight + 'px', top: scrollTop + 'px' }">
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<!-- 富文本内容 - 滚动区域 -->
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<scroll-view class="content-scroll" scroll-y>
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<view class="content-card">
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<view class="content-inner">
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<mp-html :content="detailInfo.content"></mp-html>
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@ -39,7 +39,7 @@
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</template>
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<script setup>
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import { ref, onMounted, nextTick, getCurrentInstance } from 'vue';
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import { ref } 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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@ -52,11 +52,6 @@ const detailInfo = ref({
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content: '',
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});
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// 滚动区域高度
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const scrollHeight = ref(0);
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// 滚动区域距离顶部距离
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const scrollTop = ref(0);
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// 页面加载
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onLoad((options) => {
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if (options.id) {
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@ -64,30 +59,6 @@ onLoad((options) => {
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}
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});
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// 计算scroll-view高度和位置
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const calcScrollHeight = () => {
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const instance = getCurrentInstance();
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nextTick(() => {
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const sysInfo = uni.getSystemInfoSync();
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const query = uni.createSelectorQuery().in(instance);
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// 获取头部区域高度和位置
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query.select('.detail-header').boundingClientRect();
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query.exec((res) => {
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const headerRect = res[0];
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if (headerRect) {
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const safeBottom = sysInfo.safeAreaInsets?.bottom || 0;
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scrollTop.value = headerRect.height + headerRect.top;
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scrollHeight.value = sysInfo.windowHeight - scrollTop.value - safeBottom;
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}
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});
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});
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};
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onMounted(() => {
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calcScrollHeight();
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});
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// 加载详情
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async function loadDetail(id) {
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const { code, data } = await KnowledgeApi.getDetail(id);
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@ -98,17 +69,18 @@ async function loadDetail(id) {
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publishDate: data.createTime || '',
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content: data.content || '',
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};
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setTimeout(calcScrollHeight, 100);
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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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/* 页面容器 */
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/* 页面容器：纵向 flex 布局，减去导航栏高度 */
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.detail-page {
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position: relative;
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z-index: 1;
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display: flex;
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flex-direction: column;
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height: calc(100vh - 176rpx);
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overflow: hidden;
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}
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/* 渐变背景 */
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@ -123,13 +95,11 @@ async function loadDetail(id) {
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pointer-events: none;
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}
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/* 固定头部区域 */
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/* 头部区域：正常文档流 */
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.detail-header {
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position: fixed;
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left: 0;
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width: 100%;
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position: relative;
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z-index: 10;
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background: transparent;
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flex-shrink: 0;
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}
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.header-inner {
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@ -177,12 +147,12 @@ async function loadDetail(id) {
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margin-bottom: 32rpx;
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}
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/* 内容滚动区域 - 固定定位 */
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/* 内容滚动区域：flex:1 占满剩余空间，height:0 是小程序 scroll-view 配合 flex 的关键 */
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.content-scroll {
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position: fixed;
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left: 0;
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width: 100%;
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position: relative;
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z-index: 5;
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flex: 1;
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height: 0;
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}
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/* 内容卡片 */
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@ -209,8 +179,8 @@ async function loadDetail(id) {
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}
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}
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/* 底部占位 */
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/* 底部占位：基础间距 + 安全区域 */
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.bottom-placeholder {
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height: 40rpx;
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height: calc(40rpx + env(safe-area-inset-bottom));
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}
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</style>
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@ -5,7 +5,7 @@
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<!-- 渐变背景 -->
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<view class="gradient-bg"></view>
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<!-- 固定头部区域 -->
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<!-- 头部区域 -->
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<view class="detail-header">
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<view class="header-inner">
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<!-- 文章标题 -->
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@ -27,8 +27,8 @@
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</view>
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</view>
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<!-- 富文本内容 - 独立滚动区域 -->
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<scroll-view class="article-scroll" scroll-y :style="{ height: contentScrollHeight + 'px', top: contentScrollTop + 'px' }">
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<!-- 富文本内容 - 滚动区域 -->
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<scroll-view class="article-scroll" scroll-y>
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<view class="article-content">
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<view class="article-inner">
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<mp-html :content="noticeInfo.content"></mp-html>
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@ -38,7 +38,7 @@
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<view class="bottom-placeholder" v-if="noticeInfo.attachmentList && noticeInfo.attachmentList.length > 0"></view>
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</scroll-view>
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<!-- 附件列表 - 动态高度，随内容撑开 -->
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<!-- 附件列表 -->
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<view class="attachment-section" v-if="noticeInfo.attachmentList && noticeInfo.attachmentList.length > 0">
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<view class="attachment-inner">
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<view
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@ -60,16 +60,11 @@
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</template>
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<script setup>
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import { ref, onMounted, nextTick, getCurrentInstance, watch } from 'vue';
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import { ref } from 'vue';
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import { onLoad } from '@dcloudio/uni-app';
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import NoticeApi from '@/sheep/api/community/notice';
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import sheep from '@/sheep';
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// 富文本滚动区域高度（单位：px）
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const contentScrollHeight = ref(0);
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// 富文本滚动区域距离顶部的距离（单位：px）
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const contentScrollTop = ref(0);
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// 公告信息
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const noticeInfo = ref({
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title: '',
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@ -86,48 +81,6 @@ onLoad((options) => {
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}
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});
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// 计算scroll-view高度和位置
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const calcScrollHeight = () => {
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const instance = getCurrentInstance();
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nextTick(() => {
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const sysInfo = uni.getSystemInfoSync();
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const query = uni.createSelectorQuery().in(instance);
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// 获取头部高度和位置
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query.select('.detail-header').boundingClientRect();
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// 获取附件区域高度（如果存在）
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query.select('.attachment-section').boundingClientRect();
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query.exec((res) => {
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const headerRect = res[0];
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const attachmentRect = res[1];
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let attachmentHeight = 0;
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if (attachmentRect && attachmentRect.height > 0) {
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attachmentHeight = attachmentRect.height;
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}
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if (headerRect) {
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// scroll-view距离顶部 = 头部高度 + 头部距离顶部距离（已包含状态栏和导航栏高度）
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contentScrollTop.value = headerRect.height + headerRect.top;
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// scroll-view高度 = 屏幕可用高度 - scroll-view距离顶部 - 附件高度 - 底部安全区
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const safeBottom = sysInfo.safeAreaInsets?.bottom || 0;
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contentScrollHeight.value = sysInfo.windowHeight - contentScrollTop.value - attachmentHeight - safeBottom;
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}
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});
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});
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};
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// 渲染完成后计算
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onMounted(() => {
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calcScrollHeight();
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});
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// 数据加载完成后重新计算（附件异步加载）
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watch(() => noticeInfo.value.attachmentList, () => {
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setTimeout(calcScrollHeight, 100);
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}, { deep: true });
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// 加载公告详情
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async function loadNoticeDetail(id) {
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const { code, data } = await NoticeApi.getDetail(id);
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@ -143,8 +96,6 @@ async function loadNoticeDetail(id) {
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type: getFileType(item.name),
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})),
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};
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// 数据加载后重新计算scroll-view高度
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setTimeout(calcScrollHeight, 100);
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}
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}
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@ -248,10 +199,13 @@ function downloadAttachment(item) {
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</script>
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<style lang="scss" scoped>
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/* 页面容器 */
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/* 页面容器：纵向 flex 布局，减去导航栏高度 */
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.detail-page {
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position: relative;
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z-index: 1;
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display: flex;
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flex-direction: column;
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height: calc(100vh - 176rpx);
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overflow: hidden;
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}
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/* 渐变背景 */
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@ -266,22 +220,20 @@ function downloadAttachment(item) {
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pointer-events: none;
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}
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/* 固定头部区域（标题+发布信息） */
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/* 头部区域：正常文档流 */
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.detail-header {
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position: fixed;
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left: 0;
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width: 750rpx;
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position: relative;
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z-index: 10;
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background: transparent;
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flex-shrink: 0;
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}
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.header-inner {
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padding: 0 32rpx;
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}
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/* 底部占位 - 根据附件数量动态调整 */
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/* 底部占位 - 基础间距 + 安全区域 */
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.bottom-placeholder {
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height: 40rpx;
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height: calc(40rpx + env(safe-area-inset-bottom));
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}
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/* 文章标题 */
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@ -310,7 +262,6 @@ function downloadAttachment(item) {
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.publisher-avatar {
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width: 48rpx;
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height: 48rpx;
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// border-radius: 50%;
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margin-right: 16rpx;
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}
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@ -333,25 +284,22 @@ function downloadAttachment(item) {
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margin-bottom: 32rpx;
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}
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/* 富文本滚动区域 - 高度由JS动态绑定 */
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/* 富文本滚动区域：flex:1 占满剩余空间，height:0 是小程序 scroll-view 配合 flex 的关键 */
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.article-scroll {
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position: fixed;
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left: 0;
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width: 100%;
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position: relative;
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z-index: 5;
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flex: 1;
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height: 0;
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}
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/* 富文本内容 - 圆角背景卡片 */
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.article-content {
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margin: 0 32rpx;
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border-radius: 24rpx;
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// background-color: #FFFFFF;
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}
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/* 富文本内容内层 - 控制padding */
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/* 富文本内容内层 */
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.article-inner {
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// padding: 32rpx;
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:deep(p) {
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font-size: 28rpx;
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color: #333333;
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@ -366,12 +314,9 @@ function downloadAttachment(item) {
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}
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}
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/* 附件区域 - 动态高度，最多显示3个附件 */
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/* 附件区域 */
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.attachment-section {
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position: fixed;
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bottom: 0;
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left: 0;
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width: 100%;
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flex-shrink: 0;
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max-height: 360rpx;
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background: #FFFFFF;
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box-shadow: 0rpx -8rpx 64rpx 0rpx rgba(0, 0, 0, 0.16);
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