室内现代楼梯间都市时尚女性肖像

Subject:
Only reproduce a fictional adult Japanese woman as an urban fashion portrait wearing a white long-sleeved ribbed knit sweater and a gray pleated skirt, on a modern indoor staircase. The person tilts her body slightly to one side halfway up the stairs, smiling brightly at the camera positioned above. In a vertical 9:16 frame, the center of the face is located at about 27% from the top and 50% horizontally, and the line connecting the eyes is at about 25% from the top. The top of the head is about 5% from the top edge, the head width including hair is about 29% of the frame width, the shoulder width is about 50%, and the upper body and upper part of the skirt occupy about 78% of the frame height. A slender tan bag strap is visible near the left shoulder. Hands and stair handrails are almost outside the frame in this crop, so do not add them forcibly. Maintain a mature, steady facial expression and natural body proportions; do not change to a juvenile face or excessive thinness.

Face/Makeup:
The face shape is a smooth oval, with natural roundness in the cheeks and a gentle delicacy at the tip of the chin. Eyebrows are dark brown with medium thickness, in a relaxed arch, retaining the flow of hair. Eyes are slender almond-shaped, with a gaze slightly upward but directed at the camera, keeping both pupils aligned. Upper eyelid lines and eyelashes remain low-key; do not add heavy eyeliner or gaudy eyeshadow. The bridge of the nose is naturally slender, retaining the shape of the tip and nostrils. The mouth is a bright smile showing teeth, with both corners of the mouth turned up, and the lip color is a low-saturation rose beige. Skin is a bright natural tone, with a faint flush on the cheeks, thin shadows around the eyes, and slightly visible pores. Avoid strong highlights, contour-reducing processing, over-whitening, or corrections that make teeth look like a single plate. Maintain an adult freshness, and do not turn the face into a completely symmetrical CG.

Hair:
Hair is near-black dark brown straight long hair, flowing to both sides from a slightly off-center parting, falling over the shoulders and in front/behind the chest. Thick and thin strands form on both sides of the face, with one side naturally falling in front of the shoulder and the other side leaning toward the back. Extremely subtle flow due to the air on the stairs or body orientation is allowed, but do not blow excessively. Subtle gloss is shown on the top of the head and the outer side receiving window light, retaining recognizable layers of hair strands even in dark areas. Hair ends extend into the lower crop area of the frame; do not invent invisible lengths or the shape of the back of the head. Do not add wet hair, strong curls, short bangs, flashy colors, hats, or hair accessories. Hair should not penetrate shoulder straps, necklaces, or clothing, overlapping naturally in the foreground or background.

Expression/Gaze:
At the moment the face turns slightly upward to look at the camera, create a friendly and open smile showing teeth. The gaze is fixed on the lens at the top of the frame; do not change to a squint, look down, or look into the distance. The smile raises the cheeks, slightly narrows the lower eyelids, and links the corners of the mouth with the eyes. Do not change to a face with wide-eyed surprise, protruding lips, a provocative half-open gaze, or an excessively wide laugh. Teeth maintain natural size and shadows, avoiding extra teeth, melting boundaries, or excessive whiteness. Create a natural emotion like turning back halfway up the stairs to give a light greeting to an acquaintance. Do not add unnecessary tension between the eyebrows or on the forehead; retain small left-right differences in the face.

Pose/Hands/Contact:
The body is placed diagonally relative to the direction of the stairs, with one shoulder slightly forward and the neck elongated with the face upward. The upper body is nearly vertical, but creates a slight center of gravity difference as if walking or stopping. Do not shrug the shoulders; white long-sleeved arms extend naturally along the sides of the body. In the original vertical crop, contact with hands or handrails is insufficient to appear, so do not add hands near the face or force a grip on the handrail. If parts of the arms are visible at the edges of the frame, do not newly expose fingers or wrists; maintain the existing cropping method. The bag strap extends diagonally downward from the left shoulder, but do not invent the bag itself outside the frame. Do not complete invisible legs, feet, stair contact surfaces, or the back of the clothing; only naturalize the person's center of gravity.

Clothing/Accessories:
The top is a white to ivory long-sleeved ribbed knit sweater, with a V-neck that is not too deep or wide to reveal the area around the collarbones. The whole piece has slender vertical ribs, sleeves extend toward the wrists, and the body fits moderately but not vacuum-tight. Small wrinkles follow the pose at the chest, underarms, and waist; do not lose the knit texture due to overexposure. The bottom is a medium-gray pleated skirt, with vertical pleats appearing at uneven, natural intervals. A thin gold chain and a small pendant are placed on the neck, and only one tan or camel-colored thin bag strap is placed on the left shoulder. The bag body, shoes, watches, and rings are not visible, so do not add them. Logos, text, patterns, flashy decorations, see-through effects, or excessive chest exposure are prohibited.

Location/Time/Background:
The background is an indoor transparent staircase reminiscent of a high-rise building or modern commercial facility, with gray, beige, and white as the main tones. Diagonally placed stairs, horizontal or diagonal handrails, walls, and depth extending to upper floors are blurred behind the person. Do not add building names, shop names, logos, text, signs, or other people. Lighting is natural light entering from large windows above or from the side at midday; the background is bright but do not show night scenes or outdoor landscapes. When positioning, ensure stair lines do not unnaturally protrude from the person's neck or head, using the background's geometric shapes as a frame surrounding the person. Do not determine the specific location or purpose of the place; do not assume invisible settings such as stations, hotels, or offices. The background is softer and more blurred than the person, retaining only an urban sense of space.

Composition/Camera:
Vertical 9:16, using a composition centered on the upper body, placing the person in the middle from the chest up to the upper part of the skirt. The center of the face is 49-51% horizontally and about 27% from the top; the pendant is placed near 50% horizontally and about 50% from the top; the shoulder width is fixed at about 50% of the frame width. There is about 5% margin above the top of the head, and more than 9% on each side outside the hair or shoulders, with the bottom cropped mid-skirt. The person's visual center is maintained at 47-53% horizontally, with diagonal stair lines escaping to the left and right background. The camera is aimed at the vicinity of the gaze from a position slightly higher than the person, creating the feeling of the woman looking up, but avoiding extreme high-angle shots or shortened body proportions. Use a standard smartphone field of view, with clear focus on the face, hair, white knit, and pendant, and medium blurring of the stairs. Avoid fisheye, ultra-wide-angle edge distortion, telephoto flattening, or tilted vertical lines. Do not place hands or feet in unnatural positions.

Light Source:
The main light source is soft daylight entering from above or the side of the transparent stairs, illuminating from the front diagonal above the face, the shoulders of the white knit, and the outer edges of the hair. The opposite side is slightly lifted by weak reflections from walls or floors, ensuring half of the face does not turn black. Small natural catchlights are placed in both eyes; do not add hard flash spots or multi-colored light. The bright areas of the white knit are bright but do not lose the ribbing and collarline contours. Soft shadows form under the chin, on the neck, inside the hair, and in the skirt pleats, unifying the light direction. The background has slightly dark mid-tones and some bright surfaces, ensuring the face receives eye-catching exposure first. Avoid strong rim light, neon, sunset orange, or skin-only glow processing.

Color/Gradation:
Composed of a white knit, gray pleated skirt, thin tan strap, small gold pendant, dark brown hair, natural skin tone, and gray to beige architectural background. Saturation is low to medium, maintaining a neutral urban fashion atmosphere. The white clothing does not blend with the background white, creating a brightness difference for visible contours and ribbing. The gray skirt does not have strong color casts of blue or purple, with only the pendant and strap remaining as small areas of warm color. The person's skin and the white knit are not placed at the same brightness; the skin is assigned a very thin warm color, and the knit is assigned a neutral white. Faint layers are retained even in the dark areas deep in the stairs; do not turn the background into a single flat gray board. Skin does not lean toward yellow-orange; cheeks and lips retain a faint flush. Highlights, mid-tones, and shadows are smoothly connected, avoiding strong HDR, blue-green-orange, sepia tones, or crushed blacks/blown-out whites. Finished with simple colors and fresh gradations like a smartphone photo. The white and beige of the architectural background maintain a contrast one level lower than the person's clothing, ensuring the gaze does not move away from the face.

Material/Subtle Texture:
Skin retains pores on the cheeks, forehead, and around the nose, and fine lines around the eyes caused by the smile, showing them discreetly; do not plasticize. Hair has strands of different thicknesses, fine flyaways, and small glints of natural light; do not make it uniform, plate-like, or wire-like. The white ribbed knit expresses vertical knit patterns, soft thickness, and wrinkles at the shoulders and chest, avoiding satin-like strong gloss. The gray pleated skirt has light and dark between pleats and fabric drape; do not make it look like stiff paper or metal. The bag strap is a thin strap of matte leather or synthetic leather, and the pendant is only a small metallic reflection. The background walls and handrails have lower resolution than the person, guarding the depth of field of a real shot. Do not add excessive contour emphasis, fake textures, or repeating AI textures.

Image Processing/Finish:
Finish as a fashion snapshot that looks like it was taken with a smartphone in a modern indoor staircase. Lightly adjust the overall exposure, white balance, and shadows; do not brighten only the face as if it were a separate layer. Local skin correction is limited to evening out small spots; do not deform contours, eyes, nose, mouth, or dentition. Mild sharpness is applied to the pupils, corners of the mouth, front edge of the hair, knit ribbing, and pendant, with the background smoothly blurred. Slightly correct architectural line distortion, but retain the natural perspective of the camera position. Do not create cutout halos around the hair, making the background blur boundaries continuous. Do not add text, logos, signatures, watermarks, borders, collages, dividers, or multiple scenes; finish with only one adult woman and one staircase space.

Collapse Avoidance/Prohibitions:
Fix the same adult woman, dark long hair, upward smile, white ribbed knit, gray pleated skirt, small gold pendant, tan shoulder strap, indoor stairs, and soft daylight. Do not change to other clothing, characters, backgrounds, or strong colors. Prohibit eye deviation, extra teeth, melting ears, neck distortion, split shoulder straps, pendant multiplication, or hair merging with clothing. Do not speculate on showing hands, bag bodies, legs, shoes, or stair contact points outside the frame. Do not unnaturally grip the handrail, and ensure background lines do not penetrate the head or neck. Avoid see-through clothing, excessive chest emphasis, or juvenile faces. Generate only a natural vertical photo of an adult woman; no multiple people, mirroring, text, logos, collages, grids, illustrations, or 3D.

被摄主体：
仅将一名虚构的成年日本女性，作为穿着白色长袖罗纹针织衫和灰色百褶裙的都市时尚肖像，在现代室内楼梯中再现。人物在楼梯中途将身体微微斜向一边，脸朝上方相机明亮微笑。纵向9:16画面中，脸中心位于上端约27%、横向50%，双眼连线位于上端约25%。头顶至上端约5%，包含头发在内的头部宽度约为画面宽度的29%，肩宽约为50%，上半身和裙子上部占据画面高的约78%。在左肩附近显示细长的棕褐色包肩带。手和楼梯扶手在此裁剪中几乎位于画面外，因此不要强行添加。保持成人的沉稳面容和自然的体型比例，不要改为幼态脸庞或过度纤细。

脸部·妆容：
脸型为光滑的椭圆形，脸颊带有自然的圆润，下巴尖端保持温和的细腻。眉毛为深棕色的中等粗细，呈松弛的拱形，保留毛流向。眼睛为细长的杏仁形，视线略微上扬但对准相机，左右瞳孔方向保持一致。上眼睑线条和睫毛保持低调，不要添加浓重的眼线或艳丽的眼影。鼻梁自然纤细，保留鼻尖和小鼻的形状。嘴巴为露出牙齿的明亮笑容，嘴角两侧均上扬，唇色为低饱和度的玫瑰米色。皮肤为明亮的自然肤色，脸颊保留淡淡的血色，眼周保留薄薄的阴影，毛孔略微可见。避免强烈的亮点、削减轮廓的加工、过度白皙化、牙齿板状化的修正。保持成人的清爽感，不要将脸部完全对称化为CG。

头发：
头发为接近黑色的深棕色直长发，从略微偏离中心的发缝向两侧流动，垂落在肩部和胸前身后。脸部两侧形成粗细不同的发束，一侧自然落在肩前，另一侧偏向背部。允许因楼梯空气或身体朝向而产生的极微弱流动，但不要大幅飘扬。头顶和受窗光的外侧显示细微的光泽，即使在暗部也保留可辨识发束方向的层次。发梢延伸至画面下部裁剪范围，不要虚构不可见的长度或后脑勺形状。不要添加湿发、强烈卷发、短刘海、艳丽颜色、帽子、发饰。头发不要穿透肩带、项链或服装，自然地重叠于前景或背景。

表情·视线：
脸部略微上扬注视相机的瞬间，营造亲切而开放的露出牙齿笑容。视线对准画面上方的镜头，不要改为斜视、下视或远眺。笑容使脸颊上提，下眼睑略微变窄，嘴角与眼周联动。不要改为惊讶睁大眼睛的脸庞、嘴唇前突的表情、挑逗性的半睁眼、过度张嘴的笑声。牙齿保持自然的大小和阴影，避免多余牙齿、融化般的边界、过度白皙。营造在楼梯中途回头、向熟人轻声打招呼般的自然情感。不要在眉间或额头添加不必要的紧张，保留脸部的微小左右差异。

姿势·手指·接触：
身体相对于楼梯方向呈斜向放置，一侧肩膀略微前伸，脖子伸长脸部向上。上半身接近垂直，但营造行走或停步瞬间的轻微重心差异。不要耸肩，白色长袖手臂自然沿身体侧面延伸。原纵向裁剪中双手或扶手接触不足以显现，因此不要在脸部附近添加手，或强迫握紧扶手。若画面边缘可见手臂部分，也不要新暴露手指或手腕，保持既有的裁剪方式。包肩带从左肩斜向下延伸，但不要虚构画面外的包本体。不要补全不可见的腿部、脚部、楼梯接触面、服装背面，仅自然化人物的重心。

服装·配饰：
上衣为从白色至象牙白的长袖罗纹针织衫，V领不宜过深或领口较宽以显露锁骨周边。整体带有细长的纵向罗纹，袖子延伸至手腕方向，身体部分适度贴合但不真空紧贴。在胸口、腋下、腰部形成随姿势的小皱褶，不要因过曝而丢失编织纹理。下装为中灰色的百褶裙，纵向褶皱以不均匀的自然间距显现。颈部放置一条细金色链子和一个小吊坠，左肩仅放置一条棕褐色或骆驼色的细包肩带。不可见包本体、鞋子、手表、戒指因此不要添加。禁止logo、文字、图案、艳丽装饰、透视、过度胸口暴露。

场所·时间·背景：
背景为让人联想到高层建筑或现代商业设施的室内通透楼梯，以灰色、米色、白色为主调。人物后方模糊配置斜向楼梯、水平或斜向扶手、墙面、上层延伸的纵深。不要添加建筑名称、店铺名称、logo、文字、指示牌、其他人物。光线为从中午时分上方或侧方大窗进入的自然光，背景部分明亮但不要显示夜景或室外景观。配置时确保楼梯线条不从人物颈部或头部不自然伸出，背景的几何形状作为包围人物的框架。不要确定场所的具体位置或用途，如车站、酒店、办公室等不可见设定不要断定。背景比人物更柔和模糊，仅保留都市空间感。

构图·相机：
纵向9:16，采用以上半身为中心，从胸上至裙子上部将人物置于中央的构图。脸中心横向49〜51%、上端约27%，吊坠置于横向50%附近、上端约50%，肩宽固定为画面宽度的约50%。头顶上方余白约5%，左右各留发或肩外9%以上，下端在裙子中途裁剪。人物视觉中心保持横向47〜53%，楼梯斜线向左右背景逸出。相机从略高于人物的位置对准视线附近，营造女性抬头观看的感觉，但避免极端俯视或身材比例缩短。采用智能手机标准画角，对脸部、头发、白色针织衫、吊坠明确对焦，楼梯中等程度模糊。避免鱼眼、超广角边缘扭曲、长焦平坦化、倾斜垂直线。不要将手或脚置于不自然位置。

光源：
主光源为从楼梯通透上方或侧方进入的柔和日光，从脸部正面斜上方、白色针织衫肩部、头发外缘照亮。反侧由墙壁或地面弱反射抬高，确保脸部一半不发黑。双眼置入小型自然光捕捉光，不要添加闪光硬点或多色光。白色针织衫明部明亮，但不丢失罗纹和领口轮廓。在下巴下方、颈部、头发内侧、裙子褶皱形成柔和阴影，统一光向。背景略暗的中调和部分明亮面，确保脸部首先入眼曝光。避免强烈轮廓光、霓虹、夕阳橙色、仅皮肤发光处理。

色彩·层次：
由白色针织衫、灰色百褶裙、棕褐色细肩带、金色小吊坠、深棕色头发、自然肤色、灰至米色的建筑背景构成。饱和度从低至中程度，维持中性都市时尚氛围。白色服装与背景白色不融合，制造可见轮廓和罗纹的明度差。灰色裙子不添加蓝色或紫色的强烈色偏，仅吊坠和肩带作为小面积暖色保留。人物皮肤与白色针织衫不置于相同亮度，皮肤分配极薄暖色，针织衫分配中性白。楼梯深处的暗部也保留微弱层次，不要将背景变为单一片灰板。皮肤不偏向黄橙色，脸颊和嘴唇保留淡淡血色。平滑连接高光、中间调、阴影，避免强烈HDR、蓝绿橙色、棕褐调、黑压白飞。以智能手机照片般的朴实色彩和清爽层次完成。

建筑背景的白色和米色保持比人物服装低一级的对比，确保视线不从脸部移开。

材质·细微质感：
皮肤保留脸颊、额头、鼻周的毛孔、笑容带来的眼周细纹，低调显现，不要塑胶化。头发带有粗细不同的发束、细碎后发、自然光的小光泽，不要均一板状或金属丝状。白色罗纹针织衫表现纵向编织纹、柔和厚度、肩部和胸口皱褶，避免缎面般的强烈光泽。灰色百褶裙带有褶皱间的明暗和布料垂坠感，不要硬纸或金属质。包肩带为哑光皮革或人造革的细带，吊坠仅为小金属反射。背景墙壁和扶手比人物降低分辨率，守护实拍景深。不要添加过度轮廓强调、伪造织纹、重复AI纹理。

图像处理·完成：
完成成一张看起来像在现代室内楼梯用智能手机拍摄的时尚快照。整体轻微调整曝光、白平衡、阴影，不要仅脸部如单独图层般变亮。皮肤局部修正仅限于调匀小色斑，不要变形轮廓、眼睛、鼻子、嘴巴、牙列。锐度温和施加于瞳孔、嘴角、头发前缘、针织罗纹、吊坠，背景平滑模糊。轻微修正建筑线条扭曲，但保留相机位置的自然远近感。不要在头发周围制造抠图光晕，使背景虚化边界连续。不要添加文字、logo、签名、浮水印、边框、拼贴、分隔、多场景，仅以一名成年女性和一个楼梯空间完结。

崩溃回避·禁止：
固定同一成年女性、深色长发、上扬笑容、白色罗纹针织衫、灰色百褶裙、金色小吊坠、棕褐色肩带、室内楼梯、柔和日光。不要更改为其他服装、人物、背景、强烈颜色。禁止眼球偏移、多余牙齿、融化耳朵、脖子扭曲、肩带分叉、吊坠增殖、头发与服装融合。不要推测显示画面外的双手、包本体、腿部、鞋子、楼梯接触。不要不自然握紧扶手，确保背景线条不穿透头部或脖子。避免服装透视、过度胸部强调、幼态脸庞。仅生成自然成年女性的纵向照片，不要多人物、镜像、文字、logo、拼贴、网格、插图、3D。