欧洲街头美食剖面结构图

2x2 grid, 16:9, do this for 4 underrated street foods in europe: input = [ product ]

run cross_section_page:

inference_cascade := derive the real layer stack (3–7) → each layer's actual thickness
   → its material and job → the one layer that is the selling point → whether the
   category cuts clean (blade) or tears (foam, bread)
hero_dna       := one unit sliced on a single flat plane, cut face square to camera,
                  intact exterior still visible at the edge so you read object then interior
strata_law     := layer thickness in the render is proportional to the real spec — a 2mm
                  layer cannot look the same as a 40mm layer. order is fixed and matches
                  the labels. every cut face shows interior structure different from that
                  material's exterior (open cells, crumb, weave, grain).
cut_honesty    := the cut behaves like the material — foam compresses at the blade, bread
                  tears, metal shows a burr, chocolate fractures. a laser-clean cut through
                  a soft material is a failure.
label_geometry := leader lines land on the exact layer named, no crossings, all labels on
                  one side, thickness in real units beside each
depth_cue      := the cut plane is lit slightly brighter than the receding interior
color_discipline := neutral ground + one signal color reserved for the hero layer and cta
imperfection   := one layer slightly compressed or displaced where the blade passed
frame          := 16:10; commerce chrome present — nav, price, add to cart
mood           := "so that's what's inside"

render: one screen where the interior sells harder than the exterior ever could.

forbidden — objects: invented layers, decorative gradient bands standing in for material
forbidden — look: uniform layer thicknesses, labels pointing between layers, identical
texture on cut face and outer surface, multiple contradictory cut planes, a soft material
cut like glass

2x2 网格，16:9，为欧洲 4 种被低估的街头美食执行此操作：输入 = [ product ]

运行 cross_section_page：

推断级联 (inference_cascade) := 推导真实的层级堆栈 (3–7) → 每层的实际厚度 → 它的材质和功能 → 作为卖点的那一层 → 该类别是切口整齐（刀刃）还是撕裂（泡沫、面包）
英雄 DNA (hero_dna) := 单个单元在单一平面上切开，切面正对相机，外部完整且在边缘可见，以便你先识别物体再识别内部
地层法则 (strata_law) := 渲染中的层厚度与实际规格成比例 —— 2mm 的层不能看起来与 40mm 的层相同。顺序固定并与标签匹配。每个切面显示的内部结构都与该材质的外部不同（开孔、碎屑、编织、纹理）。
切割诚实 (cut_honesty) := 切口表现得像材质一样 —— 泡沫在刀刃处压缩，面包撕裂，金属显示毛刺，巧克力断裂。穿过软材料的激光般整齐的切口是失败的。
标签几何 (label_geometry) := 引出线准确落在命名的层上，没有交叉，所有标签位于一侧，旁边标注真实单位的厚度
深度线索 (depth_cue) := 切割面比后退的内部光线稍微亮一点
色彩纪律 (color_discipline) := 中性底色 + 一种预留给核心层和行动呼吁 (cta) 的信号色
不完美感 (imperfection) := 刀刃经过的地方有一层轻微压缩或移位
框架 (frame) := 16:10；存在商业界面 (commerce chrome) —— 导航、价格、加入购物车
氛围 (mood) := “原来里面是这样的”

渲染：一个内部比外部更具吸引力的屏幕。

禁用 —— 物体：虚构的层、代替材料的装饰性渐变带
禁用 —— 外观：统一的层厚度、指向层与层之间的标签、切面与外表面纹理相同、多个矛盾的切割面、像玻璃一样切割的软材料