<svg xmlns="http://www.w3.org/2000/svg" width="1200" height="675" viewBox="0 0 1200 675"><rect width="1200" height="675" fill="#f8fafc"/><text x="72" y="92" font-size="36" font-family="Arial,'Microsoft YaHei',sans-serif" font-weight="700" fill="#334155">多租户存储隔离：PVC与命名空间治理方法</text><line x1="130" y1="350" x2="1070" y2="350" stroke="#64748b" stroke-width="10" stroke-linecap="round"/><circle cx="150" cy="350" r="48" fill="#334155"/><text x="150" y="358" text-anchor="middle" font-size="20" font-family="Arial,'Microsoft YaHei',sans-serif" fill="white" font-weight="700">1</text><text x="150" y="255" text-anchor="middle" font-size="21" font-family="Arial,'Microsoft YaHei',sans-serif" font-weight="700" fill="#334155">卷声明</text><circle cx="375" cy="350" r="48" fill="#334155"/><text x="375" y="358" text-anchor="middle" font-size="20" font-family="Arial,'Microsoft YaHei',sans-serif" fill="white" font-weight="700">2</text><text x="375" y="462" text-anchor="middle" font-size="21" font-family="Arial,'Microsoft YaHei',sans-serif" font-weight="700" fill="#334155">动态供应</text><circle cx="600" cy="350" r="48" fill="#334155"/><text x="600" y="358" text-anchor="middle" font-size="20" font-family="Arial,'Microsoft YaHei',sans-serif" fill="white" font-weight="700">3</text><text x="600" y="255" text-anchor="middle" font-size="21" font-family="Arial,'Microsoft YaHei',sans-serif" font-weight="700" fill="#334155">挂载使用</text><circle cx="825" cy="350" r="48" fill="#334155"/><text x="825" y="358" text-anchor="middle" font-size="20" font-family="Arial,'Microsoft YaHei',sans-serif" fill="white" font-weight="700">4</text><text x="825" y="462" text-anchor="middle" font-size="21" font-family="Arial,'Microsoft YaHei',sans-serif" font-weight="700" fill="#334155">性能验证</text><circle cx="1050" cy="350" r="48" fill="#334155"/><text x="1050" y="358" text-anchor="middle" font-size="20" font-family="Arial,'Microsoft YaHei',sans-serif" fill="white" font-weight="700">5</text><text x="1050" y="255" text-anchor="middle" font-size="21" font-family="Arial,'Microsoft YaHei',sans-serif" font-weight="700" fill="#334155">备份恢复</text><text x="72" y="612" font-size="24" font-family="Arial,'Microsoft YaHei',sans-serif" fill="#64748b">让容器平台具备稳定的持久化能力和清晰的存储选型依据</text></svg>