Clean iPhone app interface screenshot, a hot spring resort booking app for Lidong, the winter-beginning solar term. Warm cream background with deep red accents. Top status bar showing 9:41 with signal, Wi-Fi and battery icons. Below, a rounded search bar reading 'Search hot springs, rooms...' and a deep red location pill reading 'Beijing • Tonight'. A row of six rounded category chips with small icons: Onsen, Private, Family, Deals, Dining, Night. A large hero photo card of a steaming outdoor mountain hot spring pool in snow, with a dark overlay strip reading 'Snow Mountain Private Onsen for Two' and a red price pill '$129'. Below, a heading 'Nearby Hot Springs' and three list rows, each with a small square photo, name, gold star rating and distance: Cloud Valley Onsen 4.9, 12km; Mist Mountain Onsen 4.8, 18km; Pine Forest Bathhouse 4.7, 25km. A deep red booking bar at the bottom reading '2 nights, $258, View Booking'. Bottom tab bar with four icons: Home, Discover, Orders, Profile. Crisp aligned typography, generous spacing, realistic phone screenshot, short readable English labels only, no extra text, 9:16 vertical composition.