[Zhang Xu Assistant Series]
Real YouTube teaching video pause screenshot style, 9:16 vertical version, like a frame recorded from a fixed camera in a university classroom, no director of photography, no commercial staging, real classroom documentary photography.

Ordinary university classroom, a full green chalkboard occupies the entire background, the chalkboard is covered with dense higher mathematics handwriting, including calculus, integral symbols ∫, limits lim, implicit function differentiation, derivatives, partial derivatives, matrices, mathematical derivation processes, white chalk writing is naturally messy, partially retaining wiping marks and chalk dust.

On the right side of the screen, a young, slightly chubby Asian male teacher wearing black-framed glasses and a black short-sleeved T-shirt, with his back slightly turned toward the camera, holding chalk in his right hand to continue deriving mathematical formulas, with a focused expression, fully committed to lecturing, not looking at the camera.

On the left side of the screen, a young adult East Asian female stands next to the chalkboard, having just finished wiping the board, looking down to tidy the chalkboard eraser in her hand. Light brown long straight hair naturally scattered, fair skin, delicate features, tall and well-proportioned figure, plump and natural F-cup visual effect, slender waistline, rounded hips, long legs, conforming to real human proportions.

She is wearing a black slim-fit lace camisole mini dress, with a semi-transparent lace splicing design on the chest, the fabric naturally fits the body curves, overall fashionable and elegant, sexy but consistent with realistic outfits, no exaggerated proportions, no manga feel.

The teacher and the girl are each focused on their own tasks, no eye contact, no interaction, the classroom atmosphere is natural and relaxed, forming a real contrast between serious teaching and daily classroom recording.

Video pause screenshot texture, slight video compression marks, subtle noise, slight motion blur, natural indoor fluorescent lighting, real skin texture, no excessive skin smoothing, natural colors, hyper-realistic documentary photography style. Artistic signature "DeepBlue" in the bottom left.

Surrealist portrait, depicting a beautiful young adult East Asian woman standing gracefully in a traditional Chinese courtyard, with pink weeping cherry blossoms cascading down like a waterfall in spring. She has long, silky black hair falling naturally down her back, fair porcelain-like skin with subtle natural textures, soft almond-shaped brown eyes, delicate facial features, and light rosy makeup paired with glossy lips.

She wears an elegant pale pink Hanfu-style chiffon dress with light and flowing sleeves, exquisite floral embroidery, pearl decorations, layered transparent fabrics, and a fitted waist design. A large pale pink flower hair accessory, decorated with hanging pearl tassels, adorns one side of her hair.

She gently raises one hand to touch the hanging cherry blossoms while her upper body turns slightly toward the camera. A calm and gentle expression, looking directly at the camera with a subtle hint of a smile.

The background is a traditional dark wood pavilion with Chinese-style lattice windows, softly blurred due to a shallow depth of field. The foreground includes dreamy out-of-focus cherry blossoms, creating a natural framing and depth.

Golden afternoon sunlight filters down through the flowers, creating soft highlights, warm rim lighting, a cinematic atmosphere, creamy bokeh, volumetric lighting, an exquisite pink palette, and a romantic spring vibe.

Shot using Sony A7R V, 85mm f/1.4 GM lens, f/1.8, aperture ISO 100, ultra-high resolution, HDR, masterpiece, realistic skin pores, natural hair strands, ultra-detailed fabric texture, professional fashion photography, soft color grading, Leica-style tones, 8K.

Create a premium watercolor travel poster for {{CITY_NAME}} in a modern urban sketch style. Display "{{CITY_NAME}}" at the top in large black hand-painted brush lettering, with "{{TAGLINE}}" below in elegant red handwritten script.

Feature the city's most iconic landmark perfectly centered, towering above the skyline. Surround it with recognizable local architecture illustrated using expressive black ink sketches and soft watercolor washes.

In the foreground, place a stylish traveler crossing a pedestrian crossing while looking up at the landmark. Add subtle city life (pedestrians, bicycles, taxis, trams, or local vehicles) and strong leading perspective lines.

Style: luxury editorial travel poster, warm ivory textured paper, soft golden-hour lighting, muted gray-blue palette with one city-inspired accent color, minimalist composition, generous negative space, vertical 2:3 ratio, ultra-detailed, museum-quality, 8K, crisp ink strokes, no logos, no watermarks, no borders, no AI artifacts.