Unverified80% confidenceDecision RuleTime unknown
灯体伸出墙面深度（进深）大于12cm会明显占用过道通行空间，窄走廊（＜90cm）应选进深＜8cm的贴墙式或半嵌入款
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Unverified壁灯灯体伸出墙面的深度（出挑距离）需≤走道宽度的1/10，通常控制在8-15cm；过道窄于90cm应选贴墙式（出挑＜6cm）避免碰头刮蹭88% similarUnverified深度＜10cm的壁挂架无法平放大屏手机横屏或kindle，追物场景建议深度12-15cm；但深度＞18cm会明显突出侵占过道，窄卧室不宜77% similarUnverified标准壁挂PIR探测角度约90-110°、距离8-12m，走廊等狭长空间应选幕帘型（探测角5-15°、距离可达15m）而非广角型，否则覆盖不到纵深76% similarUnverified小面积浴室（＜4㎡）灯串长度选3-5米、灯珠间距10cm左右即可勾勒轮廓，过密过长的10米款会因空间局促显得杂乱且散热差76% similarUnverified窄过道收纳整体方案：先量净宽（<90cm选超薄嵌入式或洞洞板，≥110cm可考虑15-25cm深层板）→ 确认墙体材质定固定方式 → 按取用频率分层高度 → 材质呼应门框/踢脚线颜色保持视觉统一75% similar
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