Thank you, Xing, and thank you, everyone, for joining us today. I'm Zhang Sha, Vice President of Finance. I will walk you through our first quarter 2026 financial results. For additional details on our first quarter performance, please refer to the earnings release issued earlier today. Unless otherwise noted, all amounts are in RMB. We started the year of strongly with a robust Q1 performance. Total revenue for the quarter grew 45.6% year-over-year to RMB 432.8 million, driven by the -- driven by the sustained growth momentum in our branded aesthetic center business. We are also encouraged that our supply chain is not only supporting our chain operations, but also fuel growth in our upstream supply chain business. Let's dive into each business segment. Revenue from aesthetic treatment service increased to RMB 282.4 million, up 185.8% year-over-year, and [ is citing ] the high end of our guidance for the fourth consecutive quarter. This segment accounted for over 65% of total revenue during the quarter. Its gross margin expanded by 8.4 percentage points year-over-year and 3.3 percentage points quarter-over-quarter. We are pleased to see our core growth driver continue to gain traction in both revenue and profitability as we execute our dual-engine [indiscernible] focused on scale and efficiency. As of March 31, we operated 54 So-Young Clinics across 16 major cities, reflecting our net addition of 5 centers during the quarter. Now breaking down revenue by center phase. Our [indiscernible] mature phase centers generated are RMB 150 million revenue or roughly RMB 7.5 million per center. Our 23 growth phase center contributed RMB 109.5 million or roughly RMB 4.8 million per center. The [indiscernible] ramp-up business center contributed to roughly RMB 22.9 million or roughly RMB 2.1 million per center. It's worth mentioning that average revenue per center for this in the ramp-up fees saw significant growth, both year-over-year and quarter-over-quarter. They clearly validate how our increasingly standardized operations are effectively [indiscernible] team their ramp-up trajectory. In the meantime, average revenue per mature phase center remains solid and well above the level seen in ramp-up and growth fee centers. In terms of profitability, 41 centers were profitable and 48 centers generated positive operation cash flow during the quarter, reflecting a net addition of [ 15 and 9, ] respectively, from last quarter with a robust pipeline steadily transitioning into maturity. Alongside our ongoing scale expansion and operating efficiency enhancement, we are confident in our ability to continue driving revenue growth and improving our profitability profile of this segment. Turning to our other segments. Information and reservation services revenues were RMB 8.3 million, down [ 34% ] year-over-year, primarily due to the increase in the number of medical service providers subscribing to our information services. Sales of medical products and maintenance service revenues were RMB 57.1 million, up 2.8% year-over-year, driven by an increase in order value for medical products. Other services revenues were RMB 2.9 million, down 39.3% year-over-year due to lower insurance broker revenue. I will now walk you through our financial [indiscernible] revenue in more details. Cost on revenue were RMB 251 million, up 65.8% year-over-year, driven primarily by the expansion of our branded aesthetic centers. Breaking that down by segment, cost of aesthetic treatment service was RMB 205.8 million, up 156.4% year-over-year. Cost in the information and reservation service was RMB 6.4 million, down 72.5% year-over-year. Cost of medical products sold and maintenance service was RMB 30.4 million, down 0.1% year-over-year. Cost of other services was RMB 8.4 million, down 51.6% year-over-year. Total operating expenses was RMB 239.7 million, up 26.6% year-over-year and more notably growing at [indiscernible] pace than total revenues. Sales and marketing expenses was RMB 130.8 million, up 33.7% year-over-year. The increase was mainly driven by higher branding and user acquisition spending as well as higher payroll costs to support our branded aesthetic centers. G&A expenses were RMB 84.5 million, up 42.5% year-over-year, with [indiscernible] the continued expansion of branded aesthetic centers. R&D expenses was RMB 24.3 million, down 24.2% year-over-year, driven by improved staff efficiency. Income tax benefits were RMB 0.8 million compared with RMB 1.6 million in the prior year period. Net loss attributable to So-Young was RMB 49.2 million compared with RMB 33.1 million in the prior year period. Non-GAAP net loss attributable to So-Young was RMB 46.6 million compared with RMB 31.5 million in the prior year period. Basic and diluted loss per ADS was RMB 0.48 compared with RMB 0.02 in the primary year period. As of March 31, 2026, our cash and cash equivalents, restricted cash and term deposits, term deposits and short-term investments totaling RMB 880 million compared with RMB 936.4 million as of year-end 2025. The decrease reflects strategic capital allocation to accelerate the expansion of our branded aesthetic center and fuel the next phase of growth. Turning to our outlook Q2. Given our continued confidence in the branded aesthetic center business, we expect aesthetic treatment service revenues to be between RMB 307 million and RMB 317 million, representing year-over-year growth of 112.6% to 119.5%. Looking at 2026, we are advancing key initiatives across supply chain optimization, medical delivery excellence and operational efficiency. Together, these efforts will strengthen our leadership position, drive sustainable growth and support a clear path to profitability. This concludes my remarks. Operator, we are now ready to begin the Q&A session.