%%{init: {
  "theme": "base",
  "themeVariables": {"fontSize":"30px","fontFamily":"Calibri,Quicksand,sans-serif"},
  "flowchart": {
    "nodeSep":25,
    "rankSep":80
  }
}}%%
flowchart LR
    classDef default fill:#ffffff,stroke:#6699cc,stroke-width:2px,padding:24px;

    A["Ingot"] 
    A --> B["Cogging"]
    B --> C["Forging"]
    C --> D["Billet
Inspection"]
    D --> E["Billet
Cutting"]
    E --> F["Hot
Rolling"]
    F --> G["Surface
Inspection"]

    %% 两条分支
    G --> H["Packing
Marking
Warehousing"]
    H --> J["Heat
Treatment"]
    J --> K["Surface
Inspection"]
    K --> L["Straightening
Peeling"]
    L --> M["NDT"]
    M --> N["Packing
Marking
Warehousing"]

    linkStyle default stroke:#6699cc,stroke-width:1.5px;