<template>
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<view class="uni-swiper__warp">
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<slot />
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<view v-if="mode === 'default'" :style="{'bottom':dots.bottom + 'px'}" class="uni-swiper__dots-box" key='default'>
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<view v-for="(item,index) in info" @click="clickItem(index)" :style="{
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'width': (index === current? dots.width*2:dots.width ) + 'px','height':dots.width/2 +'px' ,'background-color':index !== current?dots.backgroundColor:dots.selectedBackgroundColor,'border-radius':'0px'}"
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:key="index" class="uni-swiper__dots-item uni-swiper__dots-bar" />
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</view>
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<view v-if="mode === 'dot'" :style="{'bottom':dots.bottom + 'px'}" class="uni-swiper__dots-box" key='dot'>
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<view v-for="(item,index) in info" @click="clickItem(index)" :style="{
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'width': dots.width + 'px','height':dots.height +'px' ,'background-color':index !== current?dots.backgroundColor:dots.selectedBackgroundColor,'border':index !==current ? dots.border:dots.selectedBorder}"
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:key="index" class="uni-swiper__dots-item" />
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</view>
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<view v-if="mode === 'round'" :style="{'bottom':dots.bottom + 'px'}" class="uni-swiper__dots-box" key='round'>
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<view v-for="(item,index) in info" @click="clickItem(index)" :class="[index === current&&'uni-swiper__dots-long']" :style="{
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'width':(index === current? dots.width*3:dots.width ) + 'px','height':dots.height +'px' ,'background-color':index !== current?dots.backgroundColor:dots.selectedBackgroundColor,'border':index !==current ? dots.border:dots.selectedBorder}"
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:key="index" class="uni-swiper__dots-item " />
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</view>
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<view v-if="mode === 'nav'" key='nav' :style="{'background-color':dotsStyles.backgroundColor,'bottom':'0'}" class="uni-swiper__dots-box uni-swiper__dots-nav">
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<text :style="{'color':dotsStyles.color}" class="uni-swiper__dots-nav-item">{{ (current+1)+"/"+info.length +' ' +info[current][field] }}</text>
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</view>
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<view v-if="mode === 'indexes'" key='indexes' :style="{'bottom':dots.bottom + 'px'}" class="uni-swiper__dots-box">
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<view v-for="(item,index) in info" @click="clickItem(index)" :style="{
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'width':dots.width + 'px','height':dots.height +'px' ,'color':index === current?dots.selectedColor:dots.color,'background-color':index !== current?dots.backgroundColor:dots.selectedBackgroundColor,'border':index !==current ? dots.border:dots.selectedBorder}"
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:key="index" class="uni-swiper__dots-item uni-swiper__dots-indexes"><text class="uni-swiper__dots-indexes-text">{{ index+1 }}</text></view>
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</view>
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</view>
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</template>
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<script>
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/**
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* SwiperDod 轮播图指示点
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* @description 自定义轮播图指示点
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* @tutorial https://ext.dcloud.net.cn/plugin?id=284
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* @property {Number} current 当前指示点索引，必须是通过 `swiper` 的 `change` 事件获取到的 `e.detail.current`
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* @property {String} mode = [default|round|nav|indexes] 指示点的类型
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* @value defualt 默认指示点
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* @value round 圆形指示点
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* @value nav 条形指示点
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* @value indexes 索引指示点
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* @property {String} field mode 为 nav 时，显示的内容字段（mode = nav 时必填）
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* @property {String} info 轮播图的数据，通过数组长度决定指示点个数
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* @property {Object} dotsStyles 指示点样式
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* @event {Function} clickItem 组件触发点击事件时触发，e={currentIndex}
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*/
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export default {
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name: 'UniSwiperDot',
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emits:['clickItem'],
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props: {
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info: {
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type: Array,
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default () {
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return []
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}
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},
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current: {
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type: Number,
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default: 0
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},
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dotsStyles: {
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type: Object,
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default () {
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return {}
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}
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},
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// 类型 ：default(默认) indexes long nav
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mode: {
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type: String,
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default: 'default'
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},
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// 只在 nav 模式下生效，变量名称
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field: {
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type: String,
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default: ''
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}
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},
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data() {
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return {
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dots: {
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width: 6,
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height: 6,
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bottom: 10,
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color: '#fff',
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backgroundColor: 'rgba(0, 0, 0, .3)',
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border: '1px rgba(0, 0, 0, .3) solid',
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selectedBackgroundColor: '#333',
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selectedBorder: '1px rgba(0, 0, 0, .9) solid'
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}
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}
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},
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watch: {
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dotsStyles(newVal) {
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this.dots = Object.assign(this.dots, this.dotsStyles)
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},
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mode(newVal) {
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if (newVal === 'indexes') {
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this.dots.width = 14
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this.dots.height = 14
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} else {
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this.dots.width = 6
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this.dots.height = 6
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}
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}
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},
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created() {
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if (this.mode === 'indexes') {
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this.dots.width = 12
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this.dots.height = 12
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}
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this.dots = Object.assign(this.dots, this.dotsStyles)
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},
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methods: {
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clickItem(index) {
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this.$emit('clickItem', index)
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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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.uni-swiper__warp {
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/* #ifndef APP-NVUE */
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display: flex;
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/* #endif */
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flex: 1;
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flex-direction: column;
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position: relative;
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overflow: hidden;
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}
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.uni-swiper__dots-box {
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position: absolute;
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bottom: 10px;
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left: 0;
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right: 0;
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/* #ifndef APP-NVUE */
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display: flex;
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/* #endif */
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flex: 1;
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flex-direction: row;
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justify-content: center;
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align-items: center;
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}
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.uni-swiper__dots-item {
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width: 8px;
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border-radius: 100px;
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margin-left: 6px;
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background-color: rgba(0, 0, 0, 0.4);
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/* #ifndef APP-NVUE */
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cursor: pointer;
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/* #endif */
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/* #ifdef H5 */
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// border-width: 5px 0;
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// border-style: solid;
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// border-color: transparent;
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// background-clip: padding-box;
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/* #endif */
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// transition: width 0.2s linear; 不要取消注释，不然会不能变色
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}
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.uni-swiper__dots-item:first-child {
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margin: 0;
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}
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.uni-swiper__dots-default {
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border-radius: 100px;
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}
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.uni-swiper__dots-long {
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border-radius: 50px;
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}
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.uni-swiper__dots-bar {
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border-radius: 50px;
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}
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.uni-swiper__dots-nav {
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bottom: 0px;
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// height: 26px;
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padding: 8px 0;
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/* #ifndef APP-NVUE */
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display: flex;
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/* #endif */
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flex: 1;
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flex-direction: row;
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justify-content: flex-start;
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align-items: center;
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background-color: rgba(0, 0, 0, 0.2);
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}
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.uni-swiper__dots-nav-item {
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/* overflow: hidden;
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text-overflow: ellipsis;
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white-space: nowrap; */
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font-size: 14px;
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color: #fff;
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margin: 0 15px;
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}
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.uni-swiper__dots-indexes {
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/* #ifndef APP-NVUE */
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display: flex;
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/* #endif */
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// flex: 1;
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justify-content: center;
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align-items: center;
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}
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.uni-swiper__dots-indexes-text {
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color: #fff;
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font-size: 12px;
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line-height: 14px;
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}
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</style>
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