refactor: 统一重构底部导航栏间距逻辑与显示规则

1.  新增全局计算属性统一处理底部导航栏显示判断与间距样式
2.  替换多个页面的手写底部间距逻辑为通用样式
3.  新增路由匹配工具函数，支持灵活配置导航栏显示范围
4.  优化底部导航组件的显示条件判断

common/js/golbalConfig.js

@@ -22,6 +22,57 @@ export default {
 		tabBarList() {
 			return this.$store.state.tabBarList;
 		},
+		shouldShowTabBar() {
+			const tabBarList = this.$store.state.tabBarList;
+			if (!tabBarList || !tabBarList.list) {
+				return false;
+			}
+			const mode = tabBarList.page_visibility_mode;
+			const routeList = tabBarList.page_routes || [];
+			if (!mode || mode === 'all') {
+				return true;
+			}
+			if (mode === 'none') {
+				return false;
+			}
+			const pages = getCurrentPages();
+			if (pages.length === 0) {
+				return true;
+			}
+			const currentPage = pages[pages.length - 1];
+			let currentRoute = '';
+			if (currentPage.route) {
+				currentRoute = currentPage.route;
+			} else if (currentPage.$page && currentPage.$page.path) {
+				currentRoute = currentPage.$page.path;
+			}
+			if (!currentRoute) {
+				return true;
+			}
+			if (!currentRoute.startsWith('/')) {
+				currentRoute = '/' + currentRoute;
+			}
+			const inList = this.$util && this.$util.isPageInRouteList
+				? this.$util.isPageInRouteList(currentRoute, routeList)
+				: false;
+			if (mode === 'whitelist') {
+				return inList;
+			}
+			if (mode === 'blacklist') {
+				return !inList;
+			}
+			return true;
+		},
+		tabBarPagePaddingStyle() {
+			return this.$util.objToStyle({
+				paddingBottom: this.shouldShowTabBar ? '112rpx' : '0'
+			});
+		},
+		tabBarPaddingStyleValue() {
+			return {
+				paddingBottom: this.shouldShowTabBar ? '112rpx' : '0'
+			};
+		},
 		siteInfo() {
 			return this.$store.state.siteInfo;
 		},