Group 1 - The article discusses various promotional activities and discounts available during a specific period, highlighting the potential savings for consumers [2][4][30] - It mentions a mobile banking registration incentive, offering a cash rebate of 10-100 yuan through WeChat [1] - The article outlines specific coupon offers, such as discounts on certain products when spending above a set amount, with some coupons allowing up to 90% points redemption [10][12][19] Group 2 - The promotional period is defined as July 30 to August 14, with limitations on the number of coupons that can be redeemed per person per day [7][9] - Various products are featured with specific discount thresholds, such as 30 yuan off when spending 99 yuan, and 50 yuan off when spending 199 yuan [24][30] - The article emphasizes the urgency of these promotions, indicating that quantities are limited and available on a first-come, first-served basis [7][9]