Fix iOS Safari compatibility and GitHub Actions build issues

Co-authored-by: 20250410303 <20250410303@stu.fosu.edu.cn>

Dockerfile

@@ -1,5 +1,5 @@
 # ---- 第 1 阶段：安装依赖 ----
-FROM node:20-alpine AS deps
+FROM --platform=$BUILDPLATFORM node:20-alpine AS deps
 
 # 启用 corepack 并激活 pnpm（Node20 默认提供 corepack）
 RUN corepack enable && corepack prepare pnpm@latest --activate
@@ -13,7 +13,7 @@ COPY package.json pnpm-lock.yaml ./
 RUN pnpm install --frozen-lockfile
 
 # ---- 第 2 阶段：构建项目 ----
-FROM node:20-alpine AS builder
+FROM --platform=$BUILDPLATFORM node:20-alpine AS builder
 RUN corepack enable && corepack prepare pnpm@latest --activate
 WORKDIR /app