A candid phone snapshot of a pretty young East Asian woman in her early 20s sitting on a subway train, absorbed in her phone. She has shoulder-length dark chestnut hair with warm caramel-brown highlights, slightly wavy and loose, a few strands falling across her cheek. White wired earbuds in her ears, the cable running down to the phone in her hands. She looks down at the screen with a calm, absorbed expression, lips softly closed, natural skin with minimal makeup. She has an attractive figure — she wears a fitted white short-sleeve t-shirt with a scoop neckline that hugs her upper body, a thin gold chain necklace at her collarbone, and a grey knit mini skirt, her bare legs crossed as she sits. A tan brown leather handbag rests on her lap, the strap draped over her knee. The subway car around her is bright and utilitarian — a stainless steel pole in the foreground on the left, partially blocking the frame and slightly out of focus; a red vertical grab pole on the right; sliding doors with windows; overhead advertisement panels; small red no-smoking warning stickers on the door glass. Bright fluorescent train lighting, slightly cool and even, with mild motion blur at the frame edges from the moving train. Shot from across the aisle on a phone, slightly candid off-center framing, natural image noise, soft focus — the authentic look of a quick unposed photo taken on public transit.16:9
第二步：使用 kling 生成影片 🎬
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风格：真实地铁车厢偷拍感，轻微手持晃动，车厢自然冷白灯，轻微压缩画质，微弱运动模糊。
0-3 秒
女生坐在金属座椅上，身体靠着车厢墙，低头看手机。她一只手拿手机，另一只手自然搭在棕色小包附近，白色耳机线垂在胸前和大腿上。表情放松、没有防备。镜头从斜前方拍摄，左侧有模糊立柱遮挡，地铁轻微晃动。
3-5 秒
她像是察觉有人在拍，手指停顿一下，眼神先从手机屏幕上移到镜头方向。不要突然抬头，要慢慢抬眼：先眼睛动，再微微抬下巴。表情从放松变成冷静审视，带一点“你在拍我？”的疑惑和压迫感。
5-7 秒
她保持看镜头，嘴唇轻轻抿住，眉眼微微收紧，不笑，不说话。手机还握在手里，身体基本不动，只是肩膀和呼吸有细微起伏。这个阶段重点是眼神：平静、淡定、带一点挑衅和不躲闪。
7-10 秒
她视线仍然锁住镜头，另一只手缓慢移到大腿处，从灰色短裙/裤脚边缘轻轻往上拉一下，短暂露出一点黑色蕾丝边。动作幅度很小、真实、自然，不夸张，不大幅裸露。拉完后手停在大腿旁边，她仍然看着镜头，表情很淡，像是在无声回应拍摄者。
声音
无对白。只有地铁行驶低频声、车厢轻微震动、远处模糊乘客声。
负面提示词
不要字幕，不要水印，不要换场景，不要站起来，不要大幅动作，不要夸张微笑，不要说话口型，不要色情化，不要过度裸露。必须是从大腿裤脚/裙摆边缘轻轻拉起，露出一点黑色蕾丝边；不要拉腰部。保持首帧人物、衣服、包、手机、耳机线和地铁结构完全一致。
