feat: 修改应用的颜色模式为亮色，并调整下载按钮的大小以增强可读性

packages/distribute/nuxt.config.ts

@@ -14,7 +14,7 @@ export default defineNuxtConfig({
   ],
 
   colorMode: {
-    preference: 'dark',
+    preference: 'light',
   },
 
   i18n: {

packages/distribute/pages/index.vue

@@ -252,34 +252,31 @@ useHead({
                 v-if="app.downloads.ios"
                 icon="i-heroicons-device-phone-mobile"
                 label="iOS"
-                size="sm"
+                size="lg"
                 block
                 class="transition-all duration-300 hover:shadow-lg hover:shadow-blue-500/50 hover:-translate-y-1 active:scale-95 active:shadow-xl active:shadow-blue-500/60 touch-manipulation relative overflow-hidden group/btn"
                 @click.stop="(e) => handleDownload(app, 'ios', e)"
               >
-                <span class="absolute inset-0 bg-gradient-to-r from-transparent via-white/20 to-transparent translate-x-[-100%] group-hover/btn:translate-x-[100%] transition-transform duration-500"></span>
               </UButton>
               <UButton
                 v-if="app.downloads.android"
                 icon="i-heroicons-device-tablet"
                 label="Android"
-                size="sm"
+                size="lg"
                 block
                 class="transition-all duration-300 hover:shadow-lg hover:shadow-blue-500/50 hover:-translate-y-1 active:scale-95 active:shadow-xl active:shadow-blue-500/60 touch-manipulation relative overflow-hidden group/btn"
                 @click.stop="(e) => handleDownload(app, 'android', e)"
               >
-                <span class="absolute inset-0 bg-gradient-to-r from-transparent via-white/20 to-transparent translate-x-[-100%] group-hover/btn:translate-x-[100%] transition-transform duration-500"></span>
               </UButton>
               <UButton
                 v-if="app.downloads.h5"
                 icon="i-heroicons-globe-alt"
                 label="Web"
-                size="sm"
+                size="lg"
                 block
                 class="transition-all duration-300 hover:shadow-lg hover:shadow-blue-500/50 hover:-translate-y-1 active:scale-95 active:shadow-xl active:shadow-blue-500/60 touch-manipulation relative overflow-hidden group/btn"
                 @click.stop="(e) => handleDownload(app, 'h5', e)"
               >
-                <span class="absolute inset-0 bg-gradient-to-r from-transparent via-white/20 to-transparent translate-x-[-100%] group-hover/btn:translate-x-[100%] transition-transform duration-500"></span>
               </UButton>
             </div>
           </UCard>