<svg xmlns="http://www.w3.org/2000/svg" width="1200" height="675" viewBox="0 0 1200 675"><defs><marker id="a" markerWidth="12" markerHeight="12" refX="10" refY="6" orient="auto"><path d="M0,0 L12,6 L0,12 z" fill="#7c3aed"/></marker></defs><rect width="1200" height="675" fill="#f5f3ff"/><text x="60" y="64" font-size="31" font-family="sans-serif" font-weight="700" fill="#4c1d95">PV 与 PVC 绑定关系示意图</text><g font-family="sans-serif" text-anchor="middle"><rect x="95" y="180" width="220" height="130" rx="22" fill="#fff" stroke="#8b5cf6" stroke-width="4"/><text x="205" y="248" font-size="26" fill="#4c1d95" font-weight="700">应用 Pod</text><rect x="370" y="180" width="220" height="130" rx="22" fill="#fff" stroke="#8b5cf6" stroke-width="4"/><text x="480" y="248" font-size="26" fill="#4c1d95" font-weight="700">PVC 申请</text><rect x="645" y="180" width="220" height="130" rx="22" fill="#fff" stroke="#8b5cf6" stroke-width="4"/><text x="755" y="248" font-size="26" fill="#4c1d95" font-weight="700">PV 资源</text><rect x="920" y="180" width="220" height="130" rx="22" fill="#fff" stroke="#8b5cf6" stroke-width="4"/><text x="1030" y="248" font-size="26" fill="#4c1d95" font-weight="700">后端存储</text></g><path d="M315 245 L370 245 M590 245 L645 245 M865 245 L920 245" stroke="#7c3aed" stroke-width="6" marker-end="url(#a)"/><rect x="150" y="390" width="900" height="170" rx="26" fill="#ede9fe" stroke="#c4b5fd" stroke-width="3"/><g font-family="sans-serif" font-size="22" fill="#334155"><text x="200" y="450">PVC 描述需求，PV 承载资源，系统根据容量、访问模式和存储类进行匹配</text><text x="200" y="500">绑定完成后，Pod 通过 PVC 获得稳定的持久化挂载入口</text></g></svg>