Initial commit: X-Server Mobile enterprise tool system

- Frontend: React 18 + TypeScript + Vite + Ant Design Mobile
- Backend: PHP 8.5 + Webman 2.x + MySQL + Redis
- i18n support: Chinese, English, Russian, Spanish, French
- Approval workflow engine
- Docker development environment
- Feishu integration

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frontend/src/pages/business-trip/detail.module.css

@@ -0,0 +1,39 @@
+.detail {
+  padding: 16px;
+}
+
+.card {
+  background: #fff;
+  border-radius: 8px;
+  padding: 16px;
+  margin-bottom: 16px;
+}
+
+.card h2 {
+  margin: 0 0 12px 0;
+  font-size: 16px;
+}
+
+.actions {
+  display: flex;
+  gap: 12px;
+}
+
+.actions button {
+  flex: 1;
+  padding: 12px;
+  border: none;
+  border-radius: 6px;
+  font-size: 16px;
+  cursor: pointer;
+}
+
+.approveBtn {
+  background: #52c41a;
+  color: #fff;
+}
+
+.rejectBtn {
+  background: #ff4d4f;
+  color: #fff;
+}