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/app.wxss

@@ -0,0 +1,102 @@
+page {
+  background-color: #f5f5f5;
+  font-size: 28rpx;
+  color: #333;
+}
+
+.container {
+  padding: 20rpx;
+}
+
+.btn-primary {
+  background-color: #1890ff;
+  color: #fff;
+  border-radius: 8rpx;
+  padding: 20rpx 40rpx;
+  font-size: 28rpx;
+}
+
+.btn-primary:active {
+  background-color: #40a9ff;
+}
+
+.btn-secondary {
+  background-color: #fff;
+  color: #1890ff;
+  border: 1rpx solid #1890ff;
+  border-radius: 8rpx;
+  padding: 20rpx 40rpx;
+  font-size: 28rpx;
+}
+
+.card {
+  background-color: #fff;
+  border-radius: 12rpx;
+  padding: 30rpx;
+  margin-bottom: 20rpx;
+  box-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.05);
+}
+
+.input-field {
+  border: 1rpx solid #d9d9d9;
+  border-radius: 8rpx;
+  padding: 20rpx;
+  font-size: 28rpx;
+  width: 100%;
+  box-sizing: border-box;
+}
+
+.input-field:focus {
+  border-color: #40a9ff;
+}
+
+.section-title {
+  font-size: 32rpx;
+  font-weight: bold;
+  margin-bottom: 20rpx;
+  color: #333;
+}
+
+.text-gray {
+  color: #999;
+}
+
+.text-primary {
+  color: #1890ff;
+}
+
+.text-success {
+  color: #52c41a;
+}
+
+.text-warning {
+  color: #faad14;
+}
+
+.text-danger {
+  color: #ff4d4f;
+}
+
+.flex {
+  display: flex;
+}
+
+.flex-center {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.flex-between {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+}
+
+.mt-10 { margin-top: 10rpx; }
+.mt-20 { margin-top: 20rpx; }
+.mt-30 { margin-top: 30rpx; }
+.mb-10 { margin-bottom: 10rpx; }
+.mb-20 { margin-bottom: 20rpx; }
+.mb-30 { margin-bottom: 30rpx; }
+.p-20 { padding: 20rpx; }