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/login/login.wxss

@@ -0,0 +1,142 @@
+.container {
+  min-height: 100vh;
+  background: linear-gradient(180deg, #1890ff 0%, #e6f7ff 100%);
+  padding: 120rpx 60rpx 60rpx;
+  box-sizing: border-box;
+}
+
+.logo-section {
+  text-align: center;
+  margin-bottom: 80rpx;
+}
+
+.logo {
+  font-size: 60rpx;
+  font-weight: bold;
+  color: #fff;
+  letter-spacing: 4rpx;
+}
+
+.subtitle {
+  font-size: 28rpx;
+  color: rgba(255, 255, 255, 0.8);
+  margin-top: 16rpx;
+}
+
+.form-section {
+  background: #fff;
+  border-radius: 24rpx;
+  padding: 48rpx 40rpx;
+  box-shadow: 0 8rpx 32rpx rgba(0, 0, 0, 0.1);
+}
+
+.form-title {
+  font-size: 40rpx;
+  font-weight: 600;
+  color: #333;
+  text-align: center;
+  margin-bottom: 48rpx;
+}
+
+.input-group {
+  margin-bottom: 32rpx;
+}
+
+.input {
+  width: 100%;
+  height: 96rpx;
+  background: #f5f5f5;
+  border-radius: 16rpx;
+  padding: 0 24rpx;
+  font-size: 28rpx;
+  box-sizing: border-box;
+}
+
+.input:focus {
+  background: #e6f7ff;
+  border: 2rpx solid #1890ff;
+}
+
+.error {
+  color: #ff4d4f;
+  font-size: 24rpx;
+  margin-bottom: 24rpx;
+  text-align: center;
+}
+
+.submit-btn {
+  width: 100%;
+  height: 96rpx;
+  background: #1890ff;
+  color: #fff;
+  border-radius: 16rpx;
+  font-size: 32rpx;
+  font-weight: 500;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  border: none;
+}
+
+.submit-btn[disabled] {
+  background: #a0cfff;
+}
+
+.toggle-mode {
+  text-align: center;
+  margin-top: 32rpx;
+  color: #666;
+  font-size: 26rpx;
+}
+
+.divider {
+  display: flex;
+  align-items: center;
+  margin: 48rpx 0;
+}
+
+.divider .line {
+  flex: 1;
+  height: 1rpx;
+  background: #e8e8e8;
+}
+
+.divider .text {
+  padding: 0 24rpx;
+  color: #999;
+  font-size: 24rpx;
+}
+
+.wechat-btn {
+  width: 100%;
+  height: 96rpx;
+  background: #07c160;
+  color: #fff;
+  border-radius: 16rpx;
+  font-size: 32rpx;
+  font-weight: 500;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  border: none;
+}
+
+.wechat-icon {
+  font-size: 36rpx;
+  font-weight: bold;
+  margin-right: 16rpx;
+}
+
+.footer {
+  text-align: center;
+  margin-top: 60rpx;
+  font-size: 24rpx;
+}
+
+.agreement {
+  color: #999;
+}
+
+.link {
+  color: #1890ff;
+}