仲夏山涧溪流人像

TITLE:
Summer Mountain River Portrait

IDENTITY LOCK:
None.

STYLE:
Ultra-realistic photorealism.
Authentic handheld iPhone 16 Pro photography.
Casual Instagram-style lifestyle photo.
Natural HDR with minimal retouching.
Authentic skin texture.

SUBJECT:
Beautiful Japanese woman in her early 20s.
Long dark brown hair with soft see-through bangs.
Large dark brown eyes.
Natural makeup.
Healthy fair skin.

BODY:
Pronounced feminine hourglass figure.
Natural feminine curves.
Slim waist.
Naturally full bust.
Softly rounded hips.
Well-developed gluteal muscles with natural volume.
Strong but feminine thighs.
Realistic anatomy.
Beautiful natural S-curve from shoulders through waist to hips.

OUTFIT:
Minimalist white string triangle bikini with delicate pastel floral print.
Sliding triangle cups.
Minimalist string design.
Thin halter neck straps.
Thin back tie.
Matching side-tie string bikini bottoms.
Minimal coverage.
Extremely narrow front panel.
Minimal accessories.
Barefoot.

SCENE / ENVIRONMENT:
Crystal-clear mountain river.
Shallow flowing water.
Large smooth river stones.
Dense green forest surrounding the river.
Bright midsummer sunshine.
Natural reflections on the water.
Sparkling water surface.
Families and young adults enjoying the river in the background. 
Background softly blurred.
Lively summer atmosphere.
Blue sky visible through the trees.

POSE / COMPOSITION:
Low crouching pose on a wet, smooth river stone near the water's edge.
Body facing away from the camera.
Upper body twisted approximately 60–75 degrees toward the camera.
Looking directly into the lens over the left shoulder.
One hand resting naturally on a smooth river stone in front of her for support.
The other arm relaxed naturally along her side.
Back gently arched.
Torso leaning slightly forward.
Weight naturally balanced while crouching.
Relaxed shoulders.
Elegant, natural posture.

CAMERA:
Handheld iPhone perspective.
Vertical 2:3 composition.
Low-angle perspective from just above the water surface.
35mm equivalent focal length.
Subject sharply focused.
Background softly blurred.

LIGHTING:
Bright natural sunlight.
Soft reflected light from the water.
Natural skin highlights.

DETAILS:
Ultra-detailed.
Fine individual hair strands.
Realistic water droplets on the skin.
Natural wet stone textures.

NEGATIVE / CONSTRAINTS:
No CGI.
No illustration.
No anime.
No plastic skin.
No text or watermark.
No malformed anatomy or extra limbs.
No distorted hands.
No unnatural body proportions.

标题：
夏日山间河流肖像

身份锁定：
无。

风格：
超写实照片级逼真。真实的 iPhone 16 Pro 手持摄影。休闲的 Instagram 风格生活照。带有极少修饰的自然 HDR。真实的皮肤纹理。

主体：
20 岁出头的漂亮日本女性。长长的深棕色头发，带有柔软的空气刘海。大大的深棕色眼睛。自然妆容。健康的白皙皮肤。

身体：
显著的女性沙漏型身材。自然的女性曲线。纤细的腰部。自然丰满的胸部。柔和圆润的臀部。发达且具有自然容量的臀大肌。强壮但不失女性化的双腿。真实的解剖结构。从肩膀经过腰部到臀部的自然美感 S 曲线。

服装：
极简白色系带三角比基尼，带有精致的淡雅花卉图案。滑动三角罩杯。极简系带设计。细长的挂脖带。细长的后背系带。配套的侧系带三角比基尼泳裤。最小的覆盖范围。极窄的前片。极少的配饰。赤脚。

场景 / 环境：
清澈见底的山间河流。浅浅的流动水。巨大的平滑河石。河流周围茂密的绿色森林。灿烂的盛夏阳光。水面上的自然反射。闪闪发光的水面。背景中享受河流的家庭和年轻人。背景柔和模糊。活泼的夏日氛围。穿过树林可见的蓝天。

姿势 / 构图：
在水边潮湿平滑的河石上低蹲。身体背向相机。上身向相机扭转约 60–75 度。从左肩上方直接注视镜头。一只手自然地靠在身前平滑的河石上以寻求支撑。另一只手臂自然放松地垂在身侧。背部轻轻拱起。躯干略微前倾。蹲下时重量自然平衡。放松的双肩。优雅、自然的姿势。

相机：
手持 iPhone 视角。垂直 2:3 构图。略高于水面的低角度透视。35mm 等效焦距。主体清晰对焦。背景柔和模糊。

光照：
明亮的自然阳光。来自水面的柔和反光。皮肤自然的高光。

细节：
超详细。细微的单根发丝。皮肤上真实的水滴。自然的湿石纹理。

负面 / 约束：
无 CGI。无插图。无动漫。无塑料皮肤。无文本或水印。无畸形解剖结构或多余肢体。无扭曲的手部。无不自然的身体比例。