<template>
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<u-overlay
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:show="!isConnected"
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:zIndex="zIndex"
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@touchmove.stop.prevent="noop"
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:customStyle="{
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backgroundColor: '#fff',
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display: 'flex',
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justifyContent: 'center',
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}"
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>
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<view
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class="u-no-network"
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>
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<u-icon
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:name="image"
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size="150"
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imgMode="widthFit"
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class="u-no-network__error-icon"
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></u-icon>
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<text class="u-no-network__tips">{{tips}}</text>
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<!-- 只有APP平台，才能跳转设置页，因为需要调用plus环境 -->
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<!-- #ifdef APP-PLUS -->
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<view class="u-no-network__app">
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<text class="u-no-network__app__setting">请检查网络，或前往</text>
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<text
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class="u-no-network__app__to-setting"
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@tap="openSettings"
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>设置</text>
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</view>
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<!-- #endif -->
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<view class="u-no-network__retry">
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<u-button
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size="mini"
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text="重试"
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type="primary"
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plain
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@click="retry"
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></u-button>
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</view>
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</view>
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</u-overlay>
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</template>
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<script>
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import props from './props.js';
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/**
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* noNetwork 无网络提示
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* @description 该组件无需任何配置，引入即可，内部自动处理所有功能和事件。
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* @tutorial https://www.uviewui.com/components/noNetwork.html
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* @property {String} tips 没有网络时的提示语 （默认：'哎呀，网络信号丢失' ）
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* @property {String | Number} zIndex 组件的z-index值
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* @property {String} image 无网络的图片提示，可用的src地址或base64图片
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* @event {Function} retry 用户点击页面的"重试"按钮时触发
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* @example <u-no-network></u-no-network>
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*/
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export default {
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name: "u-no-network",
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mixins: [uni.$u.mpMixin, uni.$u.mixin,props],
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data() {
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return {
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isConnected: true, // 是否有网络连接
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networkType: "none", // 网络类型
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}
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},
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mounted() {
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this.isIOS = (uni.getSystemInfoSync().platform === 'ios')
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uni.onNetworkStatusChange((res) => {
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this.isConnected = res.isConnected
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this.networkType = res.networkType
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this.emitEvent(this.networkType)
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})
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uni.getNetworkType({
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success: (res) => {
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this.networkType = res.networkType
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this.emitEvent(this.networkType)
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if (res.networkType == 'none') {
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this.isConnected = false
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} else {
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this.isConnected = true
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}
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}
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})
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},
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methods: {
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retry() {
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// 重新检查网络
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uni.getNetworkType({
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success: (res) => {
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this.networkType = res.networkType
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this.emitEvent(this.networkType)
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if (res.networkType == 'none') {
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uni.$u.toast('无网络连接')
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this.isConnected = false
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} else {
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uni.$u.toast('网络已连接')
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this.isConnected = true
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}
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}
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})
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this.$emit('retry')
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},
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// 发出事件给父组件
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emitEvent(networkType) {
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this.$emit(networkType === 'none' ? 'disconnected' : 'connected')
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},
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async openSettings() {
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if (this.networkType == "none") {
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this.openSystemSettings()
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return
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}
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},
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openAppSettings() {
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this.gotoAppSetting()
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},
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openSystemSettings() {
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// 以下方法来自5+范畴，如需深究，请自行查阅相关文档
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// https://ask.dcloud.net.cn/docs/
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if (this.isIOS) {
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this.gotoiOSSetting()
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} else {
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this.gotoAndroidSetting()
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}
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},
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network() {
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var result = null
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var cellularData = plus.ios.newObject("CTCellularData")
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var state = cellularData.plusGetAttribute("restrictedState")
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if (state == 0) {
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result = null
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} else if (state == 2) {
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result = 1
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} else if (state == 1) {
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result = 2
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}
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plus.ios.deleteObject(cellularData)
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return result
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},
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gotoAppSetting() {
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if (this.isIOS) {
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var UIApplication = plus.ios.import("UIApplication")
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var application2 = UIApplication.sharedApplication()
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var NSURL2 = plus.ios.import("NSURL")
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var setting2 = NSURL2.URLWithString("app-settings:")
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application2.openURL(setting2)
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plus.ios.deleteObject(setting2)
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plus.ios.deleteObject(NSURL2)
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plus.ios.deleteObject(application2)
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} else {
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var Intent = plus.android.importClass("android.content.Intent")
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var Settings = plus.android.importClass("android.provider.Settings")
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var Uri = plus.android.importClass("android.net.Uri")
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var mainActivity = plus.android.runtimeMainActivity()
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var intent = new Intent()
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intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS)
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var uri = Uri.fromParts("package", mainActivity.getPackageName(), null)
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intent.setData(uri)
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mainActivity.startActivity(intent)
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}
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},
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gotoiOSSetting() {
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var UIApplication = plus.ios.import("UIApplication")
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var application2 = UIApplication.sharedApplication()
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var NSURL2 = plus.ios.import("NSURL")
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var setting2 = NSURL2.URLWithString("App-prefs:root=General")
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application2.openURL(setting2)
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plus.ios.deleteObject(setting2)
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plus.ios.deleteObject(NSURL2)
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plus.ios.deleteObject(application2)
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},
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gotoAndroidSetting() {
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var Intent = plus.android.importClass("android.content.Intent")
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var Settings = plus.android.importClass("android.provider.Settings")
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var mainActivity = plus.android.runtimeMainActivity()
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var intent = new Intent(Settings.ACTION_SETTINGS)
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mainActivity.startActivity(intent)
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}
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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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@import "../../libs/css/components.scss";
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.u-no-network {
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@include flex(column);
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justify-content: center;
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align-items: center;
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margin-top: -100px;
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&__tips {
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color: $u-tips-color;
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font-size: 14px;
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margin-top: 15px;
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}
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&__app {
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@include flex(row);
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margin-top: 6px;
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&__setting {
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color: $u-light-color;
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font-size: 13px;
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}
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&__to-setting {
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font-size: 13px;
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color: $u-primary;
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margin-left: 3px;
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}
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}
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&__retry {
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@include flex(row);
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justify-content: center;
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margin-top: 15px;
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}
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}
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</style>
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