第一段0-15s痛点→成分→洗发前半程（Sora 分镜英文提示词）
（聚焦 “发现问题 - 天然成分 - 开始洗发”，铺垫核心信息，节奏紧凑）
分镜 10-3s痛点特写 - 少脱发 + 轻微稀疏「Close-up of a blonde Caucasian woman combing dry hair with a wide-tooth comb, slight visible scalp at the part, 1-2 strands falling (minimal hair fall, no bald spots), soft combing sound, warm natural light from bathroom window, realistic hair texture」
分镜 23-6s成分实拍 - 天然双效「Split macro shot: Left - fresh henna leaves (Lawsonia inermis) with dewdrops; Right - sliced dried polygonum multiflorum root, natural light highlighting textures, crisp green + golden-brown contrast, no movement」
分镜 36-9s产品亮相 - 三角形洗发皂（无标识）「Static shot of the triangular green shampoo bar (smooth matte surface, no logos) on a wooden soap dish, bathroom counter background (minimalist white tiles), soft light highlighting sharp edges, focus on pure shape/color」
分镜 49-12s洗发步骤 1 - 温水湿润「Medium shot of her wetting hair under warm shower water, water cascading over dry strands (turning soft), gentle water flow sound, modern showerhead visible, natural light filtering through glass door」
分镜 512-15s洗发步骤 2 - 皂体搓泡「Close-up of her holding the triangular bar, rubbing palms to create rich creamy green foam (thick, non-irritating), soft rubbing sound, foam clinging to palms without dripping, realistic texture」