【界面UI】师门积分商店：每周限购的界面展示设计

local function renderShopItem(idx, item)
    local bought = tonumber(item.bought or "0")
    GUI:setText(nameLabels[idx], item.name .. "（" .. bought .. "/" .. item.limit .. "）")
    GUI:setText(priceLabels[idx], item.cost .. "积分")
    GUI:setText(cdLabels[idx], "周" .. item.refreshDay .. "刷新")
    GUI:setOpacity(itemCards[idx], bought >= item.limit and 120 or 255)
end

local refreshTs = 0
SL:Schedule(function()
    if refreshTs <= 0 then return end
    local left = refreshTs - os.time()
    if left <= 0 then
        refreshTs = 0
        refreshShopList()
        return
    end
    GUI:setText(countdownLabel, "距离刷新 " .. math.floor(left / 3600) .. "时" .. math.floor(left % 3600 / 60) .. "分")
end, 60)