调整全局磨砂层显示逻辑，仅在用户登录时显示；修改分享订阅对话框的最大宽度；为登录按钮添加图标。

src/App.vue

@@ -205,7 +205,7 @@ onUnmounted(() => {
           :style="{ backgroundImage: `url(${getImgUrl(imageUrl)})` }"
         ></div>
         <!-- 全局磨砂层 -->
-        <div class="global-blur-layer"></div>
+        <div v-if="isLogin" class="global-blur-layer"></div>
       </div>
     </template>
 

src/components/dialog/SubscribeShareDialog.vue

@@ -51,7 +51,7 @@ const $toast = useToast()
 </script>
 
 <template>
-  <VDialog scrollable max-width="50rem" :fullscreen="!display.mdAndUp.value">
+  <VDialog scrollable max-width="30rem" :fullscreen="!display.mdAndUp.value">
     <VCard
       :title="`分享订阅 - ${props.sub?.name} ${props.sub?.season ? `第 ${props.sub?.season} 季` : ''}`"
       class="rounded-t"

src/pages/login.vue

@@ -186,6 +186,7 @@ onMounted(async () => {
         class="auth-card px-7 py-3 w-full h-full"
         :class="{ 'opacity-75': globalTheme.name.value !== 'transparent' }"
         max-width="24rem"
+        border
       >
         <VCardItem class="justify-center">
           <template #prepend>
@@ -233,7 +234,7 @@ onMounted(async () => {
               </VCol>
               <VCol cols="12">
                 <!-- login button -->
-                <VBtn block type="submit" @click="login"> 登录 </VBtn>
+                <VBtn block type="submit" @click="login" prepend-icon="mdi-login"> 登录 </VBtn>
                 <VAlert v-if="errorMessage" type="error" variant="tonal" class="mt-3">
                   {{ errorMessage }}
                 </VAlert>