refactor(fenxiao,member): replace hardcoded strings with i18n translations

standardize all hardcoded text across分销 and member pages to use language packs, fix template syntax errors in level.vue, and unify text display logic

pages_promotion/fenxiao/level.vue

@@ -1,4 +1,4 @@
-<template>
+<template>
 	<view class="container" :style="themeColor">
 		<view class="level-top">
 			<image :src="$util.img('public/uniapp/level/level-top-bg.png')"></image>
@@ -218,7 +218,7 @@
 				}
 			},1000);
 
-			if (this.fenxiaoWords && this.fenxiaoWords.fenxiao_name) this.$langConfig.title(this.fenxiaoWords.fenxiao_name + '等级');
+			if (this.fenxiaoWords && this.fenxiaoWords.fenxiao_name) this.$langConfig.title(this.fenxiaoWords.fenxiao_name + '{{ $lang('fenxiao.level') }}');
 
 			if (this.storeToken) {
 				this.getFenxiaoInfo();
@@ -231,7 +231,7 @@
 		},
 		methods: {
 			/**
-			 * 获取分销等级信息
+			 * 获取分销{{ $lang('fenxiao.level') }}信息
 			 */
 			getFenxiaoLevel() {
 				this.$api.sendRequest({