Qwen API from Flash to Flagship

Build a complete, single-file, self-contained HTML page (all CSS and JavaScript inlined in one .html file) that renders an interactive "Late-Night French Patisserie Window" — a boutique dessert display case, still glowing with warm light after closing hours. Absolute constraint: NO external resources of any kind — no CDNs, no linked stylesheets or scripts, no web fonts, no `<img>` tags, no SVG files, no base64 photos, no emoji as art. Every visual must be constructed purely from HTML elements styled with CSS: layered linear/radial/conic gradients, stacked and inset box-shadows, border-radius, blur/backdrop-filter, transforms, and canvas or DOM-drawn shapes only. This is a test of rendering faux-realistic material and light with vector CSS alone. The scene: a front-on, eye-level view into a glass patisserie window, shelves arranged in a calm rule-of-thirds composition. On the shelf sits a row of at least four distinct, meticulously crafted desserts, each built entirely from gradients and shadows: (1) a glossy chocolate-cocoa mousse dome with a mirror-glaze finish that shows a soft specular highlight and reflected light; (2) a mille-feuille with many crisp, visibly separated puff-pastry layers; (3) a tiered macaron tower with sugar-frosted, slightly matte shells; (4) a lemon tart on a slowly rotating turntable plate. Model believable depth: warm golden spotlight from above (the window's display lamp) contrasted against a cool blue ambient night, with cast shadows, rim light on edges, and gentle glossy reflections. A subtle glass layer floats in front of everything — faint reflections, streaks, and a scatter of condensation droplets — and there is a soft reflection of each dessert on the shelf surface below it. Interactions (all smooth, spring-like CSS/JS transitions): - HOVER a dessert: it lifts gently, its spotlight and shadow intensify, and a cross-section "cutaway" animation reveals its internal structure — the layered cream, ganache, curd, and biscuit/pastry base drawn as stacked gradient bands with a label. - CLICK a dessert to enter a "Customize" mode: an elegant panel appears with sliders and toggles that let the user add and adjust decorative elements in real time — sprinkled sugar pearls (density slider), drizzled pulled caramel (amount + strand thickness), and a mirror-glaze/glossy pectin coat (glossiness slider), plus an accent-berry-red drizzle. The dessert must repaint live as values change, with the highlight/gloss responding to the glossiness value. Provide a "Reset" and an "Exit" control. Persist each dessert's customization while switching between them. - Optional ambient touches: a faint animated flicker on the warm lamp, drifting condensation, and the lemon tart's turntable rotating on a loop. Visual style: refined, cozy, seductive late-night mood; palette of caramel brown, cream white, and berry red, accented with mint green, over a deep cool-blue night background. Typography should feel like a chic patisserie — set headings and dessert names in an elegant CSS-only serif stack with generous letter-spacing; keep the layout tidy, ordered, and responsive so it looks good from mobile to widescreen. Prioritize tasteful micro-animations, layered depth, and material realism over clutter. Include everything needed to open the file directly in a browser and immediately interact with it. Output only the full HTML document, nothing else.

Create a single self-contained HTML file (all CSS and JavaScript inline, absolutely no external libraries, CDNs, images, fonts, or network requests) that renders a real-time, playable whitewater kayaking game called "Rapid Run" entirely on a single HTML5 Canvas element that fills the browser window and stays responsive on resize. The view is a third-person top-down camera with slight forward perspective, looking down a procedurally generated alpine mountain stream that scrolls continuously from top to bottom and never repeats: seed the level with a noise/pseudo-random generator so each run carves a different braided channel with narrowing chutes, midstream boulders, swirling whirlpools, small waterfall drops, and churning white-foam wave trains. The player pilots a single crimson-and-amber kayak that holds near the lower third of the screen while the river rushes past; steer with Left/Right arrow keys (or A/D) to edge and carve, and let the mouse act as a paddle — the kayak leans and pulls toward the horizontal mouse position, with a click or held button to plant a hard paddle stroke that snaps the boat onto a tighter line. Simulate the water as a live flow field driven by layered scrolling noise: the current pushes the kayak downstream and sideways, faster in the tongues and slower in eddies, so the player must read the water and fight for the racing line. Emit a rich GPU-friendly particle system — a fan of spray bursting off the bow when it slaps a wave, a trailing turbulence wake churning off the stern, foam sheets exploding on impacts, and rings rippling out of whirlpools. Hitting a rock spins the boat out with a jarring wobble, momentary loss of control, and a shudder of the camera. Render in a crisp flat-illustration style fused with light fluid realism: the water surface shows animated ripples and refractive highlight glints from the flow field, noon high-plateau top light, cool white speculars on the spray, and deep pools graded from turquoise green into inky teal. Color palette is glacier cyan-blue dominant, with the kayak's vermilion-orange-yellow as the punchy accent, banks dressed in grey stone and pine green. Include an on-screen HUD: distance traveled, current speed, a stability/health meter that drains on rock hits, and a live score; show a start screen with brief controls, a game-over screen when stability is depleted with a Restart option, and gradually ramp difficulty (faster current, denser hazards) the farther you descend. Target a smooth 60fps game loop using requestAnimationFrame with delta-time physics, all tuned for a genuinely tense, satisfying feel where nailing a clean line through a foaming chute feels earned.