Airbnb风格的图标

生成一个[概念]图标，使用以下JSON风格：
{
    "icon_style": {
        "perspective": "等距视角",
        "geometry": {"proportions": "1:1画布比例，物体舒适地位于边距内", "element_arrangement": "中央主体，辅助元素对称或斜向排列"},
        "composition": {"element_count": "2-4个主要物体", "spatial_depth": "分层以营造纵深和轻微悬浮感", "scale_consistency": "图标集中物体比例统一", "scene_density": "简约到适中，保持清晰和视觉焦点"},
        "lighting": {"type": "柔和环境光", "light_source": "略从右上方或正上方照射", "shadow": "物体下方和后方柔和投影", "highlighting": "轻微边缘高光以勾勒形态"},
        "textures": {"material_finish": "半哑光到缎面质感", "surface_treatment": "光滑但带有轻微触觉变化（如木纹、柔软纹理）", "texture_realism": "风格化的自然主义，不过度写实"},
        "render_quality": {"resolution": "高分辨率Octane 3D渲染", "edge_definition": "清晰，无轮廓线；通过光影和层次区分", "visual_clarity": "干净、易读的形状，最少杂乱"},
        "color_palette": {"tone": "自然主义，略增饱和度", "range": "和谐的柔和色调，温和对比", "usage": "每个物体使用独特颜色以提高辨识度"},
        "background": {"color": "#FFFFFF", "style": "纯白扁平", "texture": "无"},
        "stylistic_tone": "高端、友好、干净，带生活方式或服务导向感",
        "icon_behavior": {"branding_alignment": "足够中性以适应广泛应用", "scalability": "小尺寸和中尺寸都清晰可辨", "interchangeability": "属于一套连贯的图标系统，主题可互换"}
    }
}