feat: 重构核心租住流程页面与交互体验

统一注册、看房、申请与入住等核心页面的视觉和流程衔接，补齐支付、签约与状态流转闭环，提升移动端操作连贯性。

store/index.js

@@ -64,7 +64,8 @@ function logRequestError(name, error) {
 }
 
 function resolveOrderNo(order = {}) {
-  const candidates = [order.orderNo, order.no, order.code, order.OrderNo]
+  const safeOrder = order || {}
+  const candidates = [safeOrder.orderNo, safeOrder.no, safeOrder.code, safeOrder.OrderNo]
   for (let index = 0; index < candidates.length; index += 1) {
     const value = candidates[index]
     if (value === undefined || value === null) {