feat: 替换sass版本，定义全局样式，实现简单的页面布局操作，比如颜色、边距、圆角等

src/pages/index/components/chat/ChatCardOther/index.vue

@@ -16,5 +16,5 @@ defineProps({
 </script>
 
 <style lang="scss" scoped>
-@use "./styles/index.scss";
+@import "./styles/index.scss";
 </style>

src/pages/index/components/chat/ChatCardOther/styles/index.scss

@@ -8,7 +8,7 @@
   overflow-x: hidden; // ✅ 防止横向撑开
 
   text {
-    font-size: 14px;
-    color: #333333;
+    font-size: $uni-font-size-base;
+    color: $uni-text-color;
   }
 }