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/components/LocationCard/index.vue

@@ -48,5 +48,5 @@ const openMap = () => {
 </script>
 
 <style scoped lang="scss">
-@use "./styles/index.scss";
+@import "./styles/index.scss";
 </style>

src/components/LocationCard/styles/index.scss

@@ -7,8 +7,8 @@
   background-size: cover;
   background-position: center;
   border-radius: 20px;
-  font-size: 14px;
-  color: #333;
+  font-size: $uni-font-size-base;
+  color: $uni-text-color;
   position: relative;
   overflow: hidden;
 
@@ -30,15 +30,15 @@
   }
 
   .location-label {
-    color: #333;
-    font-size: 14px;
+    color: $uni-text-color;
+    font-size: $uni-font-size-base;
     font-weight: 500;
   }
 
   .address-text {
     margin-top: 4px;
     color: #666;
-    font-size: 12px;
+    font-size: $uni-font-size-sm;
     font-weight: 400;
   }