Initial commit: TradeMate 外贸小助手 MVP

项目结构:
- backend/     Python FastAPI 后端
- uni-app/     uni-app跨端前端
- docs/        设计文档
- docker-compose.yml  Docker编排
- nginx/scripts/systemd 运维配置

已完成功能:
- 用户认证 (JWT)
- 智能翻译 + 回复建议
- 营销素材生成
- 客户管理 + 沉默检测
- 报价单管理
- 产品库管理
- 汇率换算
- 推送通知 (uni-push)
- WhatsApp Webhook框架
- Celery定时任务

miniprogram/pages/translate/translate.wxss

@@ -0,0 +1,114 @@
+.tabs {
+  display: flex;
+  background: #fff;
+  padding: 20rpx;
+}
+
+.tab {
+  flex: 1;
+  text-align: center;
+  padding: 20rpx;
+  font-size: 28rpx;
+  color: #666;
+  border-bottom: 4rpx solid transparent;
+}
+
+.tab.active {
+  color: #1890ff;
+  border-bottom-color: #1890ff;
+  font-weight: bold;
+}
+
+.content {
+  padding: 30rpx;
+}
+
+.input-area {
+  background: #fff;
+  border-radius: 12rpx;
+  padding: 20rpx;
+  margin-bottom: 20rpx;
+}
+
+.input-label {
+  font-size: 24rpx;
+  color: #999;
+  margin-bottom: 10rpx;
+  display: block;
+}
+
+.textarea {
+  width: 100%;
+  min-height: 200rpx;
+  font-size: 28rpx;
+  line-height: 1.5;
+}
+
+.lang-select {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  background: #fff;
+  padding: 20rpx;
+  border-radius: 12rpx;
+  margin-bottom: 20rpx;
+}
+
+.picker {
+  color: #1890ff;
+  font-weight: bold;
+}
+
+.btn-translate {
+  background: #1890ff;
+  color: #fff;
+  margin-bottom: 20rpx;
+}
+
+.result-area {
+  background: #fff;
+  border-radius: 12rpx;
+  padding: 20rpx;
+}
+
+.result-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 10rpx;
+}
+
+.copy-btn {
+  color: #1890ff;
+  font-size: 24rpx;
+}
+
+.result-text {
+  font-size: 28rpx;
+  line-height: 1.6;
+  color: #333;
+  white-space: pre-wrap;
+}
+
+.suggestions {
+  margin-top: 30rpx;
+}
+
+.suggestion-item {
+  background: #fff;
+  border-radius: 12rpx;
+  padding: 20rpx;
+  margin-bottom: 20rpx;
+}
+
+.suggestion-tone {
+  font-size: 24rpx;
+  color: #1890ff;
+  margin-bottom: 10rpx;
+}
+
+.suggestion-content {
+  font-size: 28rpx;
+  line-height: 1.5;
+  color: #333;
+}