fix: 调整组件的内边距和边距以优化布局

src/layouts/components/Footer.vue

@@ -64,7 +64,7 @@ const currentPath = computed(() => route.path)
           <VList class="font-bold" lines="one" elevation="1">
             <VListSubheader class="bg-transparent"> 更多 </VListSubheader>
             <VListItem
-              class="pe-20"
+              class="pe-20 ps-5"
               v-for="(menu, index) in moreMemus"
               :key="index"
               :prepend-icon="menu.icon"

src/layouts/components/ShortcutBar.vue

@@ -121,7 +121,7 @@ onMounted(() => {
       </IconBtn>
     </template>
     <!-- Menu Content -->
-    <VCard elevation="1" class="shortcut-menu-card">
+    <VCard class="shortcut-menu-card">
       <VCardItem class="shortcut-header border-b">
         <VCardTitle class="font-weight-medium text-primary">捷径</VCardTitle>
         <template #append>

src/layouts/components/UserNotification.vue

@@ -54,7 +54,7 @@ onBeforeUnmount(() => {
       </IconBtn>
     </template>
     <!-- Menu Content -->
-    <VCard elevation="0">
+    <VCard>
       <VCardItem class="notification-header">
         <VCardTitle class="font-weight-medium text-primary">通知中心</VCardTitle>
         <template #append>

src/layouts/components/UserProfile.vue

@@ -86,7 +86,7 @@ const userLevel = computed(() => userStore.level)
     <VImg :src="avatar" />
 
     <VMenu activator="parent" width="230" location="bottom end" offset="14px" class="user-menu">
-      <VList elevation="0" class="overflow-hidden">
+      <VList class="overflow-hidden">
         <!-- 👉 User Avatar & Name -->
         <div class="user-profile-header px-2 py-4 mb-2">
           <div class="d-flex align-center">