Executive Board

Accessory Revenue & Attachment Overview

这个 board 看 company-wide 配件销售健康度:配件 gross / net revenue、配件收入占全公司销售比例、随车 attachment rate 变化,以及统一的 Accessory Value per Ebike。DTC 使用 Domo DTC 数据;IBD 使用 Domo IBD Better Report 数据源。
配件 YTD Gross Revenue

$2.85M,其中 DTC $1.85M,IBD $1.00M。

Company-wide Revenue Share

Gross share 4.04%,Net share 3.93%;最新月 2026-07 MTD 分别为 5.98% / 5.85%。

Attachment Rate Movement

2026-01 28.52% → 2026-07 MTD 34.20%(+5.68pp)。

Accessory Value per Ebike

口径:paid accessory gross revenue / 所有 ebike units;YTD 为 $55。

时间窗口:2026-01-01 ~ 2026-07-25YoY 对比:2025-01-01 ~ 2025-07-25DTC Gross = Total sales;DTC Net = Total net sales;IBD Gross/Net = Total salesAttachment Rate = 同一订单含 ebike + paid accessory / ebike orders
YTD Accessory Gross Revenue
$2.85M
YoY +47.41%
YTD Accessory Net Revenue
$2.74M
YoY +47.17%
Gross Rev Share
4.04%
YoY -0.75pp
Net Rev Share
3.93%
YoY -0.76pp
YTD Attachment Rate
33.31%
YoY -8.94pp; 5,639 / 16,931
Accessory Value per Ebike
$55
分母:51,632 ebike units;YoY -11.18%

Deep-dive Tools

从整体配件大盘往下钻:看 DTC 用户买车后的配件生命周期、首购转化和复购机会。

Executive Summary by Channel

DTC 和 IBD 用同一套商业指标对齐;IBD不区分gross/net,因此两列相同。
ChannelGross RevenueGross YoYNet RevenueNet YoYGross Rev ShareGross Share YoYNet Rev ShareNet Share YoYEbike OrdersAttach OrdersAttachment RateAttachment YoYAttachment ChangeAccessory Value per Ebike
Total$2,852,312+47.41%$2,735,014+47.17%4.04%-0.75pp3.93%-0.76pp16,9315,63933.31%-8.94pp+5.68pp$55
DTC$1,849,580+48.55%$1,732,282+48.24%10.52%+0.22pp10.52%+0.22pp7,5733,30443.63%-7.24pp-2.38pp$221
IBD$1,002,732+45.34%$1,002,732+45.34%1.89%-0.55pp1.89%-0.55pp9,3582,33524.95%-8.35pp+7.61pp$23

Monthly Trend

默认看 Total;点击 DTC / IBD 可以拆开看每个月配件收入贡献、attachment rate 和 Accessory Value per Ebike。
MonthGross RevenueGross YoYNet RevenueNet YoYGross Rev ShareGross Share YoYNet Rev ShareNet Share YoYEbike OrdersAttach OrdersAttachment RateAttachment YoYAccessory Value per Ebike
2026-01$166,035+92.64%$158,161+93.76%4.31%-2.47pp4.18%-2.45pp1,03129428.52%-16.97pp$59
2026-02$156,719+38.94%$149,830+39.31%2.78%-2.18pp2.69%-2.13pp1,18127923.62%-19.73pp$38
2026-03$398,231+69.32%$383,436+69.53%3.18%-0.72pp3.09%-0.72pp2,49679831.97%-7.92pp$44
2026-04$501,553+17.60%$483,304+18.08%4.04%-1.07pp3.95%-1.04pp2,9761,12537.80%-9.79pp$54
2026-05$547,668+52.69%$524,933+51.90%4.02%-1.11pp3.91%-1.12pp3,2301,16836.16%-9.08pp$54
2026-06$628,473+66.52%$601,672+65.08%4.19%-0.67pp4.08%-0.69pp3,8941,24932.07%-10.02pp$57
2026-07 MTD$453,634+34.12%$433,678+33.96%5.98%+1.58pp5.85%+1.54pp2,12372634.20%-1.97pp$86
MonthGross RevenueGross YoYNet RevenueNet YoYGross Rev ShareGross Share YoYNet Rev ShareNet Share YoYEbike OrdersAttach OrdersAttachment RateAttachment YoYAccessory Value per Ebike
2026-01$118,500+68.59%$110,626+68.31%12.13%+0.34pp12.12%+0.33pp41518745.06%-7.81pp$254
2026-02$107,452+26.10%$100,564+25.76%10.05%-2.72pp10.05%-2.70pp43115034.80%-23.95pp$208
2026-03$234,783+61.04%$219,988+60.84%10.68%+1.77pp10.68%+1.77pp94444246.82%-4.16pp$229
2026-04$287,718+2.39%$269,470+2.14%10.11%-1.15pp10.11%-1.15pp1,24059347.82%-10.90pp$210
2026-05$365,395+68.95%$342,660+68.67%10.74%+0.15pp10.74%+0.14pp1,47169547.25%-5.80pp$228
2026-06$419,776+99.08%$392,974+98.56%9.43%-1.54pp9.42%-1.55pp1,96676538.91%-14.30pp$194
2026-07 MTD$315,956+34.06%$296,000+33.84%12.01%+3.39pp12.02%+3.40pp1,10647242.68%+2.37pp$258
MonthGross RevenueGross YoYNet RevenueNet YoYGross Rev ShareGross Share YoYNet Rev ShareNet Share YoYEbike OrdersAttach OrdersAttachment RateAttachment YoYAccessory Value per Ebike
2026-01$47,535+199.00%$47,535+199.00%1.66%-0.70pp1.66%-0.70pp61610717.37%-15.60pp$20
2026-02$49,266+78.61%$49,266+78.61%1.08%-0.64pp1.08%-0.64pp75012917.20%-11.53pp$14
2026-03$163,448+82.83%$163,448+82.83%1.58%-0.45pp1.58%-0.45pp1,55235622.94%-6.38pp$20
2026-04$213,834+46.97%$213,834+46.97%2.23%-0.25pp2.23%-0.25pp1,73653230.65%-5.26pp$27
2026-05$182,273+27.98%$182,273+27.98%1.78%-1.09pp1.78%-1.09pp1,75947326.89%-11.11pp$22
2026-06$208,697+25.30%$208,697+25.30%1.98%-0.87pp1.98%-0.87pp1,92848425.10%-8.93pp$24
2026-07 MTD$137,678+34.24%$137,678+34.24%2.78%+0.71pp2.78%+0.71pp1,01725424.98%-5.18pp$34
Velotric DTC Accessories

DTC Accessory Strategy

这个看板用最新 Domo DTC 数据看配件大盘:配件收入、三类随车 attach rate、accessory-only 复购/补买、Domo fixed Kit 销售,以及车型维度的商品化机会。
DTC 配件收入继续放大

YTD DTC 配件 net revenue $1.73M,占 DTC online revenue 10.52%;2026-07 MTD revenue share 12.02%。

Accessory-only 是独立增长池

Accessory-only 贡献 65.59% 配件收入,约 $1.14M;订单占比为 73.00%。

固定 Kit 用 Domo 口径追踪

2026-05-20 至 2026-07-25 产生 472 个去重 kit orders,收入 $71,902;Comfort Upgrade Kit 当前最强。

Attach rate 统一为三口径

Overall 68.18%;Fix bundle 9.96%;Flex bundle 28.33%。三者分母均为所有买车订单。

更新时间:2026-07-25DTC Summary:YTD 2026-01-01 ~ 2026-07-25;Kit Tracking:2026-05-20 ~ 2026-07-25Revenue 口径剔除 free accessory / total sales <= 0;Attach rate 口径只判断买车订单是否包含配件
YTD DTC 配件 Revenue
$1.73M
占 DTC total revenue 10.52%
Overall Attach Rate
68.18%
Order: 2,520 / 3,696;Rev share 32.79%;AOV $108.94
Fix Bundle Rate
9.96%
Order: 368 / 3,696;Rev share 9.84%;AOV $223.84
Flex Bundle Rate
28.33%
Order: 1,047 / 3,696;Rev share 26.57%;AOV $212.43
Accessory-only Revenue Share
65.59%
Accessory-only revenue 约 $1.14M;按 order 73.00%

Overall Report|核心结论

先把 dashboard 的经营含义收拢成一页:哪些增长池已经验证、哪些路径需要产品化、下一步优先做什么。
1. Accessory 已是独立收入池
10.52%
YTD 配件收入 $1.73M;6 月 MTD share 为 12.02%,说明配件不是一次性附加销售。
2. Accessory-only 是最大订单池
73.00%
8,934 个 accessory-only orders,占配件订单多数;需要用 lifecycle / EDM / compatibility 内容单独经营。
3. 买车同单是高价值入口
68.18%
2,520 / 3,696 个整车订单同单包含任意配件;PDP/cart 仍是最高效率入口。
4. Bundle 产品化看 Fix + Flex
9.96% / 28.33%
Fix 看 order tag 含 bundle / kit;Flex 看同单 3+ 配件,代表 30% off 自选 bundle 机会。
5. Kit 证明用户接受打包表达
$71,902
Kit revenue 来自 472 个去重 orders;Comfort Upgrade Kit 当前最强,但目标是扩展车型 + 场景推荐,不只是多卖固定 Kit。
6. Bulk package 是履约承接指标
0.00%
最近完整周 2+ item bulk package rate;当前应作为多件配件订单增长后的尾程履约健康度指标。

Part 1. 月度 KPI Bridge|Revenue First

这张表只看 DTC accessory revenue 及其占 DTC total revenue 的比例;attach 相关数据统一放到 Part 2 三指标模块。
YTD DTC accessory revenue
$1.73M
配件 net revenue;当前口径和 Domo 主分析 CSV 对齐。
Latest month revenue share
12.02%
2026-07 MTD 配件收入占 DTC online revenue。
MonthDTC Total RevenueDTC Accessory RevenueAccessory Revenue Share
2026-01$912,576$110,62612.12%
2026-02$1,000,178$100,56410.05%
2026-03$2,060,153$219,98810.68%
2026-04$2,665,001$269,47010.11%
2026-05$3,190,820$342,66010.74%
2026-06$4,170,829$392,9749.42%
2026-07 MTD$2,463,363$296,00012.02%
YTD Total$16,462,921$1,732,28210.52%

Part 1B. Accessory-only 月度拆解

这里专门承接顶部 `Accessory-only Revenue Share` KPI,主看 accessory-only 的月度 revenue、revenue share,以及 3+ 购买深度。
Accessory-only order share
73.00%
8,934 / 12,239 个配件订单不含整车。
Accessory-only revenue share
65.59%
Accessory-only revenue 约 $1.14M。
Accessory-only 3件+
12.86%
1,149 个 accessory-only 订单买了 3 件或更多。
MonthAccessory-only RevenueRevenue ShareAccessory-only OrdersOrder Share3+ Orders3+ Share in Accessory-only3+ Share in All Accessory Orders
2026-01$74,32767.08%51873.37%6412.36%9.07%
2026-02$70,77470.50%55078.57%5810.55%8.29%
2026-03$143,53065.24%1,06670.69%14813.88%9.81%
2026-04$162,62960.35%1,35669.57%15911.73%8.16%
2026-05$213,52062.29%1,72871.32%24214.00%9.99%
2026-06$261,59766.59%2,08073.11%29814.33%10.47%
2026-07 MTD$209,90370.91%1,63677.61%18011.00%8.54%
Total$1,136,28065.59%8,93473.00%1,14912.86%9.39%

Part 1C. Kit Tracking|Domo Bundle Line Title

这里改用 Domo DTC `Bundle line title contains kit` 口径,不再依赖 Shopify GraphQL 文件。Kit unit 是 Domo component lines 聚合到 order + kit title 后的 bundle quantity。
Tracking Window
5/20+
追踪窗口:2026-05-20 ~ 2026-07-25。
Unique Kit Orders
472
去重 Domo order;一单多个 kit 不重复计入整体订单数。
Kit Revenue
$71,902
共 614 个 kit units;按 kit type 加总订单 567。
Bundle line titleUnique Kit OrdersKit UnitsTotal Net SalesBundle AOV策略判断
Comfort Upgrade Kit264286$34,102$129.17收入主力 Comfort 需求最强,继续放在 PDP/cart 高曝光位。
Bike Essential Kit217238$23,741$109.40基础刚需 适合作为新车用户的默认通勤/安全配件组合。
Storage Kit8690$14,060$163.49继续验证 Storage 已有稳定样本,继续看车型适配和曝光位置。
Total by Kit Type567614$71,902$152.34按 kit type 加总订单可能高于整体去重订单;整体去重 Shopify order 是 472。

Part 2. 三类 Attach Rate|同一分母

这里统一所有 attach rate 的分母:所有 DTC 买车订单。只保留 Overall / Fix Bundle / Flex Bundle 三个口径,避免 revenue share、attach share 和 promo tag 混用。
Overall Attach Rate
68.18%
2,520 / 3,696 个买车订单;占 paid accessory revenue 32.79%;AOV $108.94。
Fix Bundle Rate
9.96%
368 / 3,696 个买车订单;占 paid accessory revenue 9.84%;AOV $223.84。
Flex Bundle Rate
28.33%
1,047 / 3,696 个买车订单;占 paid accessory revenue 26.57%;AOV $212.43。
MetricOrdersVehicle OrdersOrder RateAccessory RevenueRevenue ShareAOVDefinition
Overall Attach Rate2,5203,69668.18%$274,53532.79%$108.94所有买车订单里,只要同单包含任意配件即计入,不要求付费配件。
Fix Bundle Rate3683,6969.96%$82,3729.84%$223.84所有买车订单里,order tag 包含 bundle / kit 字样即计入。
Flex Bundle Rate1,0473,69628.33%$222,41126.57%$212.43所有买车订单里,同单包含 3 件或 3 件以上配件即计入,对应 30% off flex bundle 机会。

Part 3. 车型优先级与推荐组合

车型维度统一只看 3 个 attach rate:Overall、Fix Bundle、Flex Bundle。这里展示所有整车订单数 ≥10 的车型,避免漏掉 S1 / Summit 1。
Model ebike orders
3,766
纳入车型表的整车订单总量。
Overall Attach Rate
68.43%
2,577 / 3,766 个整车订单同单包含任意配件。
Fix Bundle Rate
10.14%
分母是该车型所有 ebike orders;order tag 包含 bundle / kit 即计入。
Flex Bundle Rate
28.94%
分母是该车型所有 ebike orders;同单 3+ 配件即计入。
车型整车订单数Overall Attach RateFix Bundle RateFlex Bundle Rate机会判断
Tempo60367.66%12.60%26.37%Fixed 已验证
Fixed/official bundle 已经有承接,下一步优化组合内容和曝光效率。
Fold 1 Plus57472.47%19.34%31.71%Fixed 已验证
Fixed/official bundle 已经有承接,下一步优化组合内容和曝光效率。
Discover 347673.95%7.14%32.98%稳态优化
已有一定随车配件需求,继续优化推荐位和组合结构。
Summit 236670.22%5.46%24.59%优先产品化
随车配件需求强,但 bundle/promo 承接不足,适合优先做车型场景化组合。
Nomad 2X36084.17%2.50%34.44%优先产品化
随车配件需求强,但 bundle/promo 承接不足,适合优先做车型场景化组合。
Breeze27844.24%13.67%21.94%Fixed 已验证
Fixed/official bundle 已经有承接,下一步优化组合内容和曝光效率。
GoMad20871.15%33.17%28.37%Fixed 已验证
Fixed/official bundle 已经有承接,下一步优化组合内容和曝光效率。
Fold 120061.00%1.00%13.50%优先产品化
随车配件需求强,但 bundle/promo 承接不足,适合优先做车型场景化组合。
Nomad 214881.76%0.00%33.11%优先产品化
随车配件需求强,但 bundle/promo 承接不足,适合优先做车型场景化组合。
Discover M14767.35%10.20%39.46%Fixed 已验证
Fixed/official bundle 已经有承接,下一步优化组合内容和曝光效率。
Discover 211345.13%2.65%18.58%稳态优化
已有一定随车配件需求,继续优化推荐位和组合结构。
T1 ST Plus11183.78%0.90%61.26%稳态优化
已有一定随车配件需求,继续优化推荐位和组合结构。
Summit 19245.65%1.09%10.87%稳态优化
已有一定随车配件需求,继续优化推荐位和组合结构。
Triker5448.15%0.00%29.63%稳态优化
已有一定随车配件需求,继续优化推荐位和组合结构。
Unknown3644.44%8.33%25.00%稳态优化
已有一定随车配件需求,继续优化推荐位和组合结构。

30天优先动作

  1. 先守住购车同单推荐位:随整车购买贡献 34.39% 的配件收入,PDP / cart 推荐仍是最高效率入口。
  2. 把 accessory-only 单独经营:73.00% 的配件订单不含整车,应该用复购邮件、耗材提醒和组合推荐承接。
  3. 用 fixed kit 和高频组合验证商品化机会:先盯紧 Comfort Upgrade Kit / Bike Essential Kit 的销量表现,再把高频 2 件 / 3 件+组合做成更清晰的推荐包。

如何读这张看板

先看 DTC 配件收入和 accessory-only 是否稳定,再看 fixed kit 是否证明商品化机会,最后回到车型维度判断哪些组合值得继续商品化。

计算口径|Metric Definitions

下面保留严谨口径,方便校验数据。
配件统计范围

Revenue 分析:Domo DTC Online Store + paid;Product Category = Accessories / Accessory;剔除 free accessory 和 total sales <= 0。Attach rate 分析:同样限定 DTC paid 买车订单,但配件只判断是否存在,不要求付费。

Accessory Revenue

所有付费配件订单行的 net revenue / revenue 汇总,包含随整车购买和单独购买两类场景。

Accessory-only

订单中没有整车、但有至少 1 个付费配件的订单。整车识别以 Product Category = Ebike 为准。

Three Attach Rates

`Overall Attach Rate` = 买车订单里包含任意配件的订单 / 所有买车订单;`Fix Bundle Rate` = 买车订单里 order tag 包含 bundle / kit 的订单 / 所有买车订单;`Flex Bundle Rate` = 买车订单里同单 3+ 配件的订单 / 所有买车订单。

Revenue Share + AOV

Revenue share = 对应 attach 订单贡献的 paid accessory revenue / 同窗口整体 paid accessory revenue;AOV = 对应 attach 订单 paid accessory revenue / 对应 attach orders。

Fixed Kit Tracking

Domo DTC `Bundle line title` 包含 Comfort Upgrade Kit / Bike Essential Kit / Storage Kit;聚合到 order + kit title 后计算 kit units 和 revenue。

车型 Part 3

`Overall Attach Rate` = 买车订单里同单包含任意配件的订单 / 所有买车订单;`Fix Bundle Rate` = 买车订单里 order tag 包含 bundle / kit 的订单 / 所有买车订单;`Flex Bundle Rate` = 买车订单里同单包含 3+ 配件的订单 / 所有买车订单。

IBD Accessory

IBD Accessory Dealer Dashboard

这个 tab 从 dealer 角度看 IBD 配件业务:每月有多少 13-month active dealers 真正在下配件单、配件收入占 IBD 总收入比例、dealer AOV 分布,以及 YTD top-selling accessories。
YTD IBD Accessory Revenue

$1.00M,占 IBD total revenue 1.88%。

Avg Monthly Ordering Dealers

306 dealers / 1429 13M active dealers,平均覆盖率 21.42%。

Latest Month Dealer Coverage

2026-07 MTD:292 / 1,442 dealers,20.25%(M/M -7.53pp,Y/Y -5.01pp)。

Dealer Accessory AOV

Latest median $180;P25 $82,P75 $330。

Data source:Domo IBD Better Report最新可见日期:2026-07-25Dealer denominator:rolling 13-month active dealerIBD revenue 使用 Total sales
YTD IBD Accessory Revenue
$1.00M
占 IBD total revenue 1.88%
Avg Monthly Ordering Dealers
306
分母:平均 1429 个 13M active dealers;覆盖率 21.42%
Latest Dealer Order Rate
20.25%
2026-07 MTD:292 / 1,442 dealers
Latest Dealer AOV Median
$180
Dealer-level accessory AOV;P25 $82 / P75 $330

Monthly Dealer Trend

分母每月滚动更新:过去 13 个月内有任意有效 paid IBD 订单的 dealer。Dealer AOV 分布基于每个 dealer 当月配件销售额 / 配件订单数。
Month13M Active DealersAccessory Ordering DealersDealer Order RateM/MY/YAccessory RevenueRev ShareRevenue M/MRevenue Y/YAccessory OrdersAccessory AOV / OrderDealer AOV P25Dealer AOV MedianDealer AOV P75Accessory Value / EbikeValue / Ebike Y/Y
2026-011,39815911.37%-0.86pp+0.12pp$47,5351.64%-17.24%+199.00%217$219$67$147$293$20-15.38%
2026-021,40917112.14%+0.77pp-2.69pp$49,2661.07%+3.64%+78.61%223$221$59$141$268$14-25.49%
2026-031,41833323.48%+11.34pp+0.57pp$163,4481.58%+231.76%+82.83%565$289$86$196$331$20-10.08%
2026-041,43540428.15%+4.67pp+1.52pp$213,8342.22%+30.83%+46.97%810$264$93$200$322$27-1.91%
2026-051,44537926.23%-1.92pp+0.67pp$182,2731.78%-14.76%+27.98%779$234$90$185$294$22-38.46%
2026-061,45840527.78%+1.55pp+1.85pp$208,6971.95%+14.50%+25.30%805$259$86$187$311$24-32.39%
2026-07 MTD1,44229220.25%-7.53pp-5.01pp$137,6782.75%-34.03%+2.89%514$268$82$180$330$34+33.60%

Top Selling Accessories|YTD

按 2026 YTD IBD accessory revenue 排序,辅助判断 dealer 端主推商品和 MOQ / replenishment 机会。
RankAccessorySKURevenueRevenue ShareUnitsOrdersOrdering Dealers
1Velotric Suspension Seatpost 2.0AACC0099B$105,42710.51%1,797642315
2Velotric Rack Top BagAACC0119A$91,4609.12%1,849601289
3Front BasketAACC0034B$90,0348.98%1,527705387
4Nomad 2X BatteryABTR0019A$54,2965.41%193168130
5Velotric Tempo Rear RackAACC0135A$48,7974.87%1,224491236
6Multi-fonction phone holderAACC0037A$45,4744.54%1,997649313
7Rear Basket MAACC0027B$38,5153.84%711357232
8Velotric Tempo FenderAACC0136A$38,4123.83%1,090433219
9Velotric Extra Battery PackABTR0010A$35,8803.58%1296860
10Velotric MirrorAACC0019B$35,2653.52%1,580649326
11Summit 2 Modular Rear RackAACC0130A$29,9732.99%746369227
12GoMad Young Passenger KitAACC0150A$28,8752.88%294184152
13Velotric Rack Battery BagAACC0120A$22,3992.23%391183118
14Long-Range Spare BatteryABTR0012A$19,2941.92%725641
15GoMad Passenger KitAACC0146A$18,8691.88%305192158
16Discover 3 BatteryABTR0020A$18,1251.81%724742
17Breeze Air Suspension ForkAACC0131A$17,0481.70%2089358
18Rear Rack Pannier BagAACC0078A$13,6981.37%367159117
19Velotric Front RackAACC0132A$12,8461.28%321159115
20F1 BatteryABTR0011B$12,5491.25%665134

Metric Definitions

保留口径,方便后续对账。
13M Active Dealers

每个月从月初向前 12 个月到该月月末,共 13 个月窗口内,有至少 1 个有效 paid IBD order line 的唯一 dealer。

Accessory Ordering Dealers

该月 Product Category = Accessory / Accessories,且 quantity > 0、Total sales > 0 的配件下单 dealer。

Dealer Order Rate

Accessory Ordering Dealers / 13M Active Dealers,用来衡量 active dealer 中有多少实际参与配件销售。

Dealer Accessory AOV

每个 dealer 当月配件销售额 / 当月配件订单数;P25 / Median / P75 是 dealer 之间的分布,不是 SKU 均价。

Bulk Package Tracker

跟踪 DTC accessory bulk package order rate,包含 weekly rate、2-item / 3+ order breakdown,以及 Kit Bulk Package Rate。
Open full tracker →

Cohort Lifecycle Tool

按 DTC 整车首次购买 cohort,拆 Same day / Day 1-30 / 后续窗口,并区分 First Buyer 与 Repeat Buyer。分母统一为 same cohort 全部整车用户;当前数据刷新至 2026-07-25。
Open full cohort tool ->
2026 Lifecycle penetration
53.48%
去重口径:3,811 个配件购买客户 / 7,126 个 same cohort 整车客户;数据刷新至 2026-07-25。
2026 Day 1-30 window
12.17%
窗口购买率:First 6.24% + Repeat 5.92%,分母仍是 7,126 个 cohort 客户。
2025 Reference
57.45%
2025 生命周期渗透率;用于对比 2026 当前 cohort 的首购/复购质量。