夏空下的西瓜劈

Subject: Watermelon splitting under the summer sky

Main Subject: On a midsummer beach, a woman in her 20s is kneeling on the sand, leaning her upper body far forward, gripping a wooden stick with both hands, pressing down toward a large watermelon that has already been split open. In the foreground of the image, a large split watermelon and splashing water droplets are placed; the center features the hands gripping the stick, and in the distance, the face of the woman laughing brilliantly is arranged, forming a natural and continuous depth of composition from the foreground to the character. The bright blue sky, azure sea, long silver-white hair fluttering in the wind, green sunglasses, and purple floral pattern chiffon dress serve as visual centers.

Character/Expression: A young woman with bright ivory skin. Soft oval face shape, with a small and rounded chin. The cheeks, bridge of the nose, shoulders, collarbones, and arms have the natural luster of midsummer sunlight, with small water droplets and realistic textures remaining on the skin. Eyebrows are slender taupe, in a gentle arch. The eye area uses light beige and moss green eyeshadow, thin eyeliner, and naturally separated eyelashes. Light rose-pink blush is applied to the cheeks, and the lips are coated with transparent coral pink lip gloss. Mouth open in a happy, loud laugh, white teeth naturally visible. Gaze directed toward the camera. Wearing large, rounded green translucent sunglasses with a thin silver metal frame and a double bridge design. Hair extends to near the waist, bright platinum blonde. Sparse, uneven bangs and long layered hair around the face, with most of the hair flowing heavily toward the left side of the frame under the sea breeze. Fine flyaway hairs crossing in front of the cheeks and lips are also naturally preserved.

Clothing/Pose: A thin chiffon camisole mini dress featuring lavender, lilac, white, and green small flower patterns. Thin shoulder straps, soft near-V neckline, a small knot at the center under the chest with hanging ribbons. The skirt slightly flares from the waist with multiple layers of thin ruffles and wavy edges. The sea breeze blows the skirt on the right side of the frame outward, making the translucent chiffon layers and patterns visible. A short silver bead chain necklace, a small round pendant, and a transparent water-drop-shaped pendant hanging to the chest are layered on the neck. Small swaying silver earrings are worn on the ears, and a thin bracelet on the wrist. Nails are light lavender. The woman is kneeling on the beach with her waist held back and upper body leaning deeply forward. Arms extend diagonally downward from both shoulders, with both hands overlapping and firmly gripping the wooden stick at the bottom center of the frame. Elbows are almost straight, fingers naturally wrapped around the stick. The stick extends diagonally from the hands toward the large watermelon in the bottom left foreground; perspective makes the near end appear thicker.

Background/Lighting: A large watermelon with light and dark green stripes is placed in the bottom left foreground. The watermelon is split vertically near the center, with vibrant red flesh visible in the gap. There are strong white reflections on the wet surface, and large and small transparent water droplets splashing upward around the crack and the stick. In the bottom right foreground is a blue and white thick-striped leisure mat. Behind it is the bright beige sand, with the turquoise sea and horizon appearing faintly in the middle ground. People or parasols on the beach are small and softly blurred. Most of the background is a bright blue sky with few clouds. White seagulls fly in the upper left and right, slightly blurred due to depth of field. Strong direct noon sunlight enters from the upper left of the frame, forming bright highlights on the hair silhouette, cheeks, bridge of the nose, shoulders, collarbones, arms, watermelon, and water droplets. There are natural and slightly clear shadows under the chin, chest, inner arms, and skirt folds. Reflected light from the blue of the sky and sea is slightly added to the shadow side, creating a refreshing and bright summer color tone.

Composition/Lens: Vertical 2:3. Close-up shot of the character from a low camera position near the beach, slightly looking up. The character is placed largely in the center-right of the frame, captured from the top of the head to near the knees. The face is located near the center of the upper half, hands at the bottom center of the frame, and the watermelon largely occupies the bottom left foreground. The leisure mat is partially included in the bottom right, with the skirt and legs naturally cropped at the edges of the frame. Wide-angle-style perspective is used to make the foreground watermelon and stick appear larger than the character, with the watermelon, stick, hands, and face forming a diagonal continuous composition. The horizon is located low at the bottom of the frame, almost horizontal. The character's face, hands, stick, and the watermelon crack are clearly depicted, while distant swimmers, the sea, and seagulls are softly blurred. High-speed shutter captures the frozen moments of water droplets and fine hair fluttering in the wind.

Texture/Style: Photorealistic photograph. A bright and refreshing summer fashion portrait. Precise depiction of the skin's natural moisture, wet watermelon skin, transparent water droplets, light chiffon fabric, fine hair, and reflections of metal jewelry. The blue sky and sea are vivid, with the purple of the floral pattern, the green of the sunglasses, and the red of the watermelon serving as bright color accents. The character and foreground are sharp, while the background has natural optical blur. Avoid excessive skin smoothing or artificial CG expression, maintaining realistic photographic lighting, skin, and material textures.

Negative: Short hair, dark hair, opaque black sunglasses, swimwear or plain clothing, intact/unbroken watermelon, holding the stick with one hand, stick not in contact with hands, extra limbs or fingers, loose grip, unnatural face or teeth, excessive body emphasis, fisheye distortion, dim twilight scenes, illustration style, text, logo, watermark.

主题：  
夏空下的西瓜劈

主体：  
在盛夏的海滩上，20多岁的女性双膝跪在沙滩上，上身大幅前倾，用双手紧握一根木棒，向已劈开的大西瓜压去。画面前景处放置大幅劈开的大西瓜和飞溅的水滴，中央是握棒的双手，远处配置着灿烂大笑的女性面容，形成从前景到人物的视线自然连贯的纵深构图。鲜艳的蓝天、蔚蓝的大海、随风飘扬的长银白色头发、绿色的太阳镜、紫色系花卉图案雪纺连衣裙成为视觉中心。

人物·表情：  
拥有明亮象牙色肌肤的年轻女性。脸型柔和的卵形，下巴尖小而圆润。脸颊、鼻梁、肩膀、锁骨、手臂上带有盛夏阳光的自然光泽，肌肤上残留着细小的水滴和逼真的质感。眉毛是细长的灰褐色，呈缓和的拱形。眼部使用淡米色和苔绿色的眼影、细眼线、自然分离的睫毛。脸颊上施以淡玫瑰粉色的腮红，嘴唇涂抹透明感的珊瑚粉色唇彩。张开嘴愉快大笑，白牙自然显现。视线朝向镜头。  
佩戴大而圆润的绿色半透明太阳镜，细银色金属框架，双桥设计。头发延伸至腰部附近，是明亮的铂金金色。稀疏不齐的刘海和脸周的长层发，海风吹拂下大部分头发大幅向画面左侧流动。脸颊和嘴唇前方横过的细碎后发也自然保留。

服装·姿势：  
采用薰衣草色、淡紫、白、绿色小花图案的薄款雪纺吊带迷你连衣裙。细肩带、柔和近V字领口、胸下中央的小结和垂下的缎带。裙摆从腰部轻微展开，多层薄褶边和波浪状边缘。海风吹动画面右侧裙摆向外摇曳，半透明雪纺层与花纹重叠可见。  
颈部叠戴短银色珠链项链、小圆形吊坠，以及垂至胸口的透明水滴形吊坠。耳朵上戴小巧摇曳的银耳环，手腕上细手链。指甲为淡薰衣草色。  
女性双膝跪于沙滩，腰部向后保持，上身向前深倾。从双肩延伸手臂斜向下，在画面中央下方双手叠握木棒用力紧握。肘部几乎伸直，手指自然缠绕棒身。棒从双手向前景左下方的大西瓜斜伸，远近感使近端显得较粗。

背景·光线：  
前景左下方放置带有浓淡绿色条纹的大西瓜。西瓜从中央附近纵向裂开，缝隙中可见鲜艳的红色果肉。湿润表面有强烈的白色反光，裂缝和棒周围有大小透明水滴向上飞溅。  
前景右下方是蓝白粗条纹的休闲垫。其后是明亮的米色沙滩，中景处青绿色大海和地平线细细显现。海滩上的人物或阳伞小而柔和地虚化。背景大部分是少云的鲜艳蓝天。上空左右有白色海鸥飞翔，因景深而略微模糊。  
从画面左上方射入强烈的正午直射阳光，在头发轮廓、脸颊、鼻梁、肩膀、锁骨、手臂、西瓜、水滴上形成明亮高光。下巴下方、胸口、手臂内侧、裙褶处有自然且稍清晰的阴影。从天空和大海的蓝色反射光稍加于阴影侧，营造清爽明亮的夏日色调。

构图·镜头：  
纵向2:3。从靠近沙滩的低相机位置，略微仰拍人物的近距离拍摄。人物大幅置于画面中央偏右，从头顶至膝部附近纳入。脸位于上半部中央附近，双手在画面中央下方，西瓜大幅占据左下前景。右下方部分纳入休闲垫，裙摆和腿部在画面边缘自然裁切。  
使用广角式的远近感，使前景的西瓜和棒比人物显得更大，西瓜、棒、双手、脸形成一条对角线连贯的构图。地平线位于画面下方偏低处，几乎水平。人物的脸、双手、棒、西瓜裂缝清晰描绘，远处海水浴客、大海、海鸥柔和虚化。以高速快门捕捉水滴和随风飘扬的细发静止瞬间。

质感·风格：  
照片级真实写实照片。明亮清爽的夏日时尚肖像。精密描绘肌肤的自然水润感、湿润西瓜皮、透明水滴、轻盈雪纺面料、细发、金属饰品的反射。蓝天和大海鲜艳，花纹的紫色、太阳镜的绿色、西瓜的红色作为鲜明色彩点缀。人物和前景锐利，背景自然光学虚化。避免过度美肌修饰或人工CG表现，保持现实照片的光线、肌肤、材质感。

负面：  
短发、暗色头发、不透明黑色太阳镜、泳装或素色服装、完整无损的西瓜、单手持棒、棒与手非接触、多余手脚或手指、松散握姿、不自然的脸或牙齿、过度身体强调、鱼眼变形、昏暗黄昏场景、插图风格、文字、标志、水印。