fix: stabilize iOS Safari mobile navigation

src/@layouts/components/VerticalNavLayout.vue

@@ -170,6 +170,10 @@ export default defineComponent({
 }
 
 .layout-wrapper.layout-nav-type-vertical {
+  --layout-navbar-block-size: calc(
+    env(safe-area-inset-top, 0px) + #{variables.$layout-vertical-nav-navbar-height} + var(--navbar-tab-height)
+  );
+
   // TODO(v2): Check why we need height in vertical nav & min-height in horizontal nav
   min-block-size: 100%;
 
@@ -185,13 +189,16 @@ export default defineComponent({
   .layout-navbar {
     position: fixed;
     z-index: variables.$layout-vertical-nav-layout-navbar-z-index;
+    // iOS Safari 在地址栏收起和惯性滚动时可能把 fixed 顶栏和页面滚动层合成到一起，
+    // 单独提升顶栏图层可避免导航栏短暂上移到安全区下方。
+    backface-visibility: hidden;
+    block-size: var(--layout-navbar-block-size);
     inline-size: calc(100vw - variables.$layout-vertical-nav-width - 0.5rem);
     inset-block-start: 0;
+    transform: translate3d(0, 0, 0);
 
     .navbar-content-container {
-      block-size: calc(
-        env(safe-area-inset-top) + variables.$layout-vertical-nav-navbar-height + var(--navbar-tab-height)
-      );
+      block-size: var(--layout-navbar-block-size);
     }
 
     @at-root {

src/@layouts/styles/_default-layout.scss

@@ -15,7 +15,7 @@ body {
   background: rgb(var(--v-theme-background));
   overscroll-behavior-y: contain;
 
-  --webkit-overflow-scrolling: touch;
+  -webkit-overflow-scrolling: touch;
 }
 
 body,

src/composables/usePWA.ts

@@ -1,6 +1,6 @@
 import { ref, computed, onMounted } from 'vue'
 import { useDisplay } from 'vuetify'
-import { checkPWAStatus, isPWADisplayMode } from '@/@core/utils/navigator'
+import { checkPWAStatus, isMobileDevice, isPWADisplayMode } from '@/@core/utils/navigator'
 
 // 全局PWA状态，确保只初始化一次
 const globalPwaStatus = ref<{
@@ -34,11 +34,14 @@ async function initializePWAGlobally() {
       globalPwaStatus.value = await checkPWAStatus()
     } catch (error) {
       console.error('Failed to detect PWA status', error)
+      const isStandaloneMode = isPWADisplayMode()
+
       // 即使检测失败，也设置一个合理的默认值
       globalPwaStatus.value = {
         hasPWAFeatures: false,
-        isStandaloneMode: isPWADisplayMode(),
-        isPWAEnvironment: isPWADisplayMode(),
+        isStandaloneMode,
+        // iOS Safari 浏览器模式可能取不到 Service Worker 注册信息，但移动端仍应使用 App 交互。
+        isPWAEnvironment: isStandaloneMode || isMobileDevice(),
         isFullPWA: false,
       }
     } finally {
@@ -56,7 +59,8 @@ export function usePWA() {
 
   // 基于新的PWA状态结构
   const pwaMode = computed(() => {
-    return globalPwaStatus.value?.isPWAEnvironment ?? false
+    // PWA 状态异步恢复前先用移动端特征兜底，避免 Safari 浏览器首屏阶段缺少移动端交互。
+    return globalPwaStatus.value?.isPWAEnvironment ?? isMobileDevice()
   })
 
   const appMode = computed(() => {

src/composables/usePullDownGesture.ts

@@ -85,7 +85,10 @@ export function usePullDownGesture(options: PullDownOptions = {}) {
   })
 
   const indicatorTransform = computed(() => {
-    return `translate(-50%, ${Math.min(60 + pullDistance.value - config.SHOW_INDICATOR, 70)}px)`
+    // 顶部基准位置由布局 CSS 负责，这里只让指示器跟随下拉手势轻微移动。
+    const followOffset = Math.min(Math.max(pullDistance.value - config.SHOW_INDICATOR, 0), 16)
+
+    return `translate3d(-50%, ${followOffset}px, 0)`
   })
 
   // 弹窗检测函数

src/layouts/components/DefaultLayout.vue

@@ -452,6 +452,7 @@ onMounted(async () => {
     v-if="appMode && showPullIndicator"
     class="pull-indicator"
     :style="{
+      '--pull-indicator-navbar-extra-height': navbarExtraHeight,
       opacity: indicatorOpacity,
       transform: indicatorTransform,
     }"
@@ -475,7 +476,7 @@ onMounted(async () => {
     <!-- 👉 Navbar -->
     <template #navbar="{ toggleVerticalOverlayNavActive }">
       <div
-        class="theme-navbar-row d-flex h-14 align-center mx-1"
+        class="theme-navbar-row d-flex h-full align-center mx-1"
         :class="{ 'theme-navbar-row--horizontal': showHorizontalThemeNav }"
       >
         <RouterLink v-if="showHorizontalThemeNav" :to="canAdmin ? '/dashboard' : '/apps'" class="theme-horizontal-logo">
@@ -801,6 +802,7 @@ onMounted(async () => {
 
 .pull-indicator {
   position: fixed;
+  z-index: 20;
   display: flex;
   align-items: center;
   justify-content: center;
@@ -809,11 +811,14 @@ onMounted(async () => {
   backdrop-filter: blur(20px);
   background: rgba(var(--v-theme-surface), 0.3);
   box-shadow: 0 1px 2px rgba(0, 0, 0, 10%), 0 1px 3px rgba(0, 0, 0, 6%);
-  inset-block-start: 80px;
+  inset-block-start: calc(
+    env(safe-area-inset-top, 0px) + 4rem + var(--pull-indicator-navbar-extra-height, 0rem) + 0.75rem
+  );
   inset-inline-start: 50%;
   pointer-events: none;
-  transform: translateX(-50%);
-  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+  transform: translate3d(-50%, 0, 0);
+  transition: opacity 0.2s ease, transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
+  will-change: opacity, transform;
 }
 
 .indicator-icon {