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+<template>
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+ <view class="content">
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+ <view class="nav">
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+ <!-- 选项卡水平方向滑动，scroll-with-animation是滑动到下一个选项时，有一个延时效果 -->
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+ <scroll-view
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+ class="tab-scroll"
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+ scroll-x="true"
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+ scroll-with-animation
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+ :scroll-left="scrollLeft"
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+ >
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+ <view class="tab-scroll_box">
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+ <!-- 选项卡类别列表 -->
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+ <view
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+ class="tab-scroll_item"
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+ v-for="(item, index) in category"
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+ :key="index"
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+ :class="{ active: isActive == index }"
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+ @click="chenked(index, item)"
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+ >
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+ <view class="tile-box">
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+ <text class="name-box">{{ item.name }}</text>
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+ <text class="count">
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+ {{ item.count || 0 }}
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+ </text>
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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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+ <!-- <swiper @change="change" :current="isActive" class="swiper-content" :style="fullHeight">
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+ <swiper-item class="swiperitem-content">
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+ <scroll-view scroll-y style="height: 100%;">
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+ <view class="nav_item" >
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+ 1
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+ </view>
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+ </scroll-view>
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+ </swiper-item>
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+ <swiper-item class="swiperitem-content">
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+ <scroll-view scroll-y style="height: 100%;">
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+ <view class="nav_item" >
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+ 2
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+ </view>
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+ </scroll-view>
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+ </swiper-item>
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+ <swiper-item class="swiperitem-content">
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+ <scroll-view scroll-y style="height: 100%;">
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+ <view class="nav_item" >
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+ 3
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+ </view>
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+ </scroll-view>
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+ </swiper-item>
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+ <swiper-item class="swiperitem-content">
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+ <scroll-view scroll-y style="height: 100%;">
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+ <view class="nav_item" >
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+ 4
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+ </view>
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+ </scroll-view>
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+ </swiper-item>
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+ <swiper-item class="swiperitem-content">
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+ <scroll-view scroll-y style="height: 100%;">
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+ <view class="nav_item" >
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+ 5
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+ </view>
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+ </scroll-view>
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+ </swiper-item>
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+ <swiper-item class="swiperitem-content">
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+ <scroll-view scroll-y style="height: 100%;">
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+ <view class="nav_item" >
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+ 6
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+ </view>
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+ </scroll-view>
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+ </swiper-item>
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+ </swiper> -->
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+ </view>
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+</template>
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+<script>
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+export default {
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+ props: {
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+ category: {
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+ type: Array,
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+ default: () => []
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+ },
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+ isShowNumber: {
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+ type: Boolean,
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+ default: true
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+ },
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+ curruntActive: {
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+ type: [Number, String],
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+ default: 0
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+ }
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+ },
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+ watch: {
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+ // swiper与上面选项卡联动
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+ currentindex(newval) {
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+ this.isActive = newval;
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+ this.scrollLeft = 0;
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+ // 滑动swiper后，每个选项距离其父元素最左侧的距离
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+ for (let i = 0; i < newval - 1; i++) {
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+ this.scrollLeft += this.category[i].width;
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+ }
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+ }
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+ },
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+ data() {
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+ return {
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+ isActive: 0,
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+ index: 0,
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+ currentindex: 0,
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+
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+ contentScrollW: 0, // 导航区宽度
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+ scrollLeft: 0, // 横向滚动条位置
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+ fullHeight: ""
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+ };
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+ },
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+ mounted() {
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+ var that = this;
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+ this.isActive = this.curruntActive;
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+ //获取手机屏幕的高度，让其等于swiper的高度，从而使屏幕充满
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+ uni.getSystemInfo({
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+ success: function (res) {
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+ that.fullHeight = "height:" + res.windowHeight + "px";
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+ }
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+ });
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+ // 获取标题区域宽度，和每个子元素节点的宽度
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+ this.getScrollW();
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+ },
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+ methods: {
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+ // 获取标题区域宽度，和每个子元素节点的宽度以及元素距离左边栏的距离
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+ getScrollW() {
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+ const query = uni.createSelectorQuery().in(this);
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+ query
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+ .select(".tab-scroll")
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+ .boundingClientRect((data) => {
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+ this.contentScrollW = data.width;
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+ })
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+ .exec();
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+ query
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+ .selectAll(".tab-scroll_item")
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+ .boundingClientRect((data) => {
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+ let dataLen = data.length;
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+ for (let i = 0; i < dataLen; i++) {
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+ this.category[i].left = data[i].left;
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+ this.category[i].width = data[i].width;
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+ }
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+ })
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+ .exec();
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+ },
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+ // 当前点击子元素靠左留一个选项展示，子元素宽度不相同也可实现
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+ chenked(index, item) {
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+ this.isActive = index;
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+ this.scrollLeft = 0;
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+ for (let i = 0; i < index - 1; i++) {
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+ this.scrollLeft += this.category[i].width;
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+ }
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+ this.$emit("tabs", { index, item });
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+ },
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+ // swiper滑动时，获取其索引，也就是第几个
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+ change(e) {
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+ const { current } = e.detail;
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+ this.currentindex = current;
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+ }
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+ }
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+};
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+</script>
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+<style lang="scss">
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+.content {
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+ display: flex;
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+ flex-direction: column;
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+ width: 100%;
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+ flex: 1;
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+ .nav {
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+ background-color: #fff;
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+ // position: fixed;
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+ z-index: 99;
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+ width: 100%;
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+ align-items: center;
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+ // min-height: 40rpx;
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+ .tab-scroll {
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+ flex: 1;
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+ overflow: hidden;
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+ box-sizing: border-box;
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+ padding-left: 30rpx;
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+ padding-right: 30rpx;
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+ .tab-scroll_box {
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+ display: flex;
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+ align-items: center;
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+ flex-wrap: nowrap;
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+ box-sizing: border-box;
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+ height: 100rpx;
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+ .tab-scroll_item {
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+ line-height: 80rpx;
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+ margin-right: 35rpx;
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+ flex-shrink: 0;
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+ display: flex;
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+ justify-content: center;
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+ font-size: 30rpx;
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+ padding-top: 10rpx;
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+ color: #333;
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+ .tile-box {
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+ display: flex;
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+ align-items: center;
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+ flex-direction: column;
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+ .count {
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+ height: initial;
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+ }
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+ }
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+ }
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+ }
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+ }
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+ }
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+ .swiper-content {
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+ padding-top: 120rpx;
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+ // flex: 1;
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+ .swiperitem-content {
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+ background-color: #ffffff;
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+ .nav_item {
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+ background-color: #ffffff;
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+ padding: 20rpx 40rpx 0rpx 40rpx;
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+ }
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+ }
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+ }
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+}
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+.active {
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+ position: relative;
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+ color: #1f7cff !important;
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+ font-weight: 600;
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+}
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+.active::after {
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+ content: "";
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+ position: absolute;
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+ width: 50rpx;
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+ height: 8rpx;
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+ background-color: #1f7cff;
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+ left: 0px;
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+ right: 0px;
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+ bottom: 0px;
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+ margin: auto;
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+ border-radius: 8rpx;
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+ margin-top: 10rpx;
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+ transition: all 0.3s;
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+}
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+/* 隐藏滚动条，但依旧具备可以滚动的功能 */
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+/deep/.uni-scroll-view::-webkit-scrollbar {
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+ display: none;
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+}
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+</style>
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storeBelieveInLight