Fix mermaid syntax and update K8s taint labels

12_implementation/12.1_arch.md

@@ -8,10 +8,10 @@ Docker 采用了 **C/S (客户端/服务端)** 架构。Client 向 Daemon 发送
 
 ```mermaid
 graph LR
-  C1["客户端"] -->|docker run| D["dockerd\n守护进程"]
+  C1["客户端"] -->|docker run| D["dockerd<br/>守护进程"]
   C1 -->|docker pull| D
-  D -->|管理| C2["Containers\n容器"]
-  D -->|管理| C3["Images\n镜像"]
+  D -->|管理| C2["Containers<br/>容器"]
+  D -->|管理| C3["Images<br/>镜像"]
 ```
 ---
 
@@ -71,7 +71,7 @@ flowchart TD
   B["OCI Bundle"]
   S["Containerd-shim"]
   R["Runc"]
-  P["容器进程\nnginx"]
+  P["容器进程<br/>nginx"]
   E["退出"]
 
   U -->|1. REST API| D