1. 搜尋功能新欄位：最高售價
2. 搜尋功能新增 回上一頁 按鈕
Refine search result
order search result by retail_price
1. Brands are shown only if a brand has at least one model
2. Remove toggle effect of brand list
Remove unused code
1. [BF] search condition of airbag number doesn't work
2. Limit search results to 60 cars
3. Show number of search results
1. [UI] swap position of displacement and submodel
2. 增加斜坡輔助系統
3. [BF] 修正輸入 admin 網址導致指向錯誤search controller的問題
4. header navbar 加入網站名稱
set head title to '安心上路'
change admin path
update gemfile