fix: 尝试安卓优化

vite-tailwindcss/src/composables/useAndroidOptimize.js

@@ -13,7 +13,19 @@ const isAndroidClient = (() => {
   return /Android/i.test(ua) && !/CrOS/i.test(ua)
 })()
 
+const isIOSClient = (() => {
+  if (typeof navigator === 'undefined') return false
+  const ua = navigator.userAgent || ''
+  const platform = navigator.platform || ''
+  // iPhone / iPad (旧 UA) / iPod
+  if (/iPhone|iPad|iPod/i.test(ua)) return true
+  // iPadOS 13+ 伪装为桌面 Mac，通过触控判断
+  if (platform === 'MacIntel' && typeof navigator.maxTouchPoints === 'number' && navigator.maxTouchPoints > 1) return true
+  return false
+})()
+
 export const isAndroid = isAndroidClient
+export const isIOS = isIOSClient
 
 const OSS_HOST = 'aliyuncs.com'
 const PROC_750 = 'image/resize,w_750,lfit/format,webp/q,85'