```mermaid
---
title: 2.员工账号新建与权限分配业务流程
---
flowchart TD
    Start((开始)) 
    --> Login[使用超级管理员账号登录]

    Login --> IsSuperAdmin{是否为超级管理员?}

    IsSuperAdmin -->|是| HasAccess[拥有权限]
    IsSuperAdmin -->|否| CheckPermission{是否拥有「账号管理」以及「新建账号」权限?}

    CheckPermission -->|是| HasAccess
    CheckPermission -->|否| NoPermission[无权限，流程终止]

    HasAccess --> EnterAccountManagement[进入账号管理页面]

    subgraph 员工账号新建流程
        EnterAccountManagement --> ChooseRoleType{选择账号类型}
        
        ChooseRoleType -->|平台用户| CreatePlatformUser[新建平台用户]
        ChooseRoleType -->|超级管理员| CreateSuperAdmin[新建超级管理员用户]

        CreatePlatformUser --> PreAssign[在新建界面预分配角色]

        PreAssign --> |已分配角色| PreAssignSuccess[预分配成功]
        PreAssign --> |未分配角色| AssignInList[进入账号列表后操作分配角色]

        AssignInList --> CreateSuccess[账号新建成功]
        PreAssignSuccess --> CreateSuccess
        CreateSuperAdmin --> CreateSuccess

        CreateSuccess --> LoginWithNewAccount[使用新建账号登录系统进行验证]
    end

    LoginWithNewAccount --> CheckPermissionResult{账号权限是否正确?}

    CheckPermissionResult -->|正常| End([流程结束])
    CheckPermissionResult -->|不正常| ReportIssue[提交问题 / Bug]

    ReportIssue -->|复测| EnterAccountManagement

    %% ==================== 样式美化 ====================
    style Start fill:#90EE90,stroke:#2E7D32,stroke-width:2px
    style End fill:#FF9999,stroke:#C62828,stroke-width:2px
    style NoPermission fill:#FFCDD2,stroke:#D32F2F
    style HasAccess fill:#C8E6C9,stroke:#388E3C
    style ReportIssue fill:#FFCCBC,stroke:#E64A19

    classDef decision fill:#FFF3E0,stroke:#F57C00,stroke-width:2px
    class IsSuperAdmin,CheckPermission,ChooseRoleType,CheckPermissionResult decision
```