graph TD
%% External Flags (Inputs)
subgraph 外部條件
direction LR
F_InternationalCoop[國際合作]:::externalFlag
end
%% Events (Problems)
subgraph 危機事件
direction TB
E_Decline[黑面琵鷺族群減少]:::event --> F_Crisis[黑面琵鷺危機]:::crisisFlag
end
%% Strategies and their effects
subgraph 保育策略與成果
direction LR
F_Crisis -- 需要 --> S_Protect[設立黑面琵鷺保護區]:::strategy
S_Protect -- 設定 --> F_Protected[黑面琵鷺保護區成立]:::flag
S_Protect -- 設定 --> F_Recovered[黑面琵鷺族群恢復]:::goalFlag
end
%% Event Resolution (Disappearance conditions)
subgraph 事件解決條件
direction TB
F_Protected & F_InternationalCoop -- 解決 --> E_Decline
end
%% Styling
classDef event fill:#FFF0F0,stroke:#A52A2A,stroke-width:2px,color:#333,rx:5px,ry:5px
classDef strategy fill:#F0FFF0,stroke:#228B22,stroke-width:2px,color:#333,rx:5px,ry:5px
classDef flag fill:#F0FFFF,stroke:#1E90FF,stroke-width:2px,color:#333
classDef crisisFlag fill:#FFF8DC,stroke:#FF8C00,stroke-width:2px,color:#333
classDef goalFlag fill:#E6E6FA,stroke:#8A2BE2,stroke-width:2px,color:#333
classDef externalFlag fill:#F5F5F5,stroke:#696969,stroke-width:1px,color:#333,stroke-dasharray:5 5