fix:优化试题内容和样式排版

scripts/configure-mirrors.sh

@@ -0,0 +1,63 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+MODE="${1:-cn}"
+
+NPM_CN_REGISTRY="https://registry.npmmirror.com"
+PIP_CN_INDEX_URL="https://mirrors.aliyun.com/pypi/simple/"
+PIP_CN_TRUSTED_HOST="mirrors.aliyun.com"
+DOCKER_CN_REGISTRY_MIRROR="https://registry.cn-hangzhou.aliyuncs.com"
+
+if [[ "${MODE}" != "cn" && "${MODE}" != "global" ]]; then
+  echo "用法: ./scripts/configure-mirrors.sh [cn|global]"
+  exit 1
+fi
+
+echo "==> 配置 npm"
+if command -v npm >/dev/null 2>&1; then
+  if [[ "${MODE}" == "cn" ]]; then
+    npm config set registry "${NPM_CN_REGISTRY}"
+  else
+    npm config set registry "https://registry.npmjs.org"
+  fi
+  npm config get registry
+else
+  echo "未检测到 npm，跳过"
+fi
+
+echo "==> 配置 pip (用户级 ~/.pip/pip.conf)"
+mkdir -p "${HOME}/.pip"
+if [[ "${MODE}" == "cn" ]]; then
+  cat > "${HOME}/.pip/pip.conf" <<EOF
+[global]
+index-url = ${PIP_CN_INDEX_URL}
+trusted-host = ${PIP_CN_TRUSTED_HOST}
+timeout = 120
+EOF
+else
+  cat > "${HOME}/.pip/pip.conf" <<EOF
+[global]
+index-url = https://pypi.org/simple
+timeout = 120
+EOF
+fi
+echo "pip.conf 已更新: ${HOME}/.pip/pip.conf"
+
+echo "==> Docker 镜像加速器"
+if [[ "${MODE}" == "cn" ]]; then
+  cat <<EOF
+请在 Docker Desktop -> Settings -> Docker Engine 中加入:
+{
+  "registry-mirrors": [
+    "${DOCKER_CN_REGISTRY_MIRROR}"
+  ]
+}
+EOF
+else
+  cat <<EOF
+如需恢复 Docker 默认源，请移除 Docker Engine 中的 "registry-mirrors" 配置后重启 Docker Desktop。
+EOF
+fi
+
+echo "==> 完成 (${MODE})"