<svg xmlns="http://www.w3.org/2000/svg" width="1200" height="675" viewBox="0 0 1200 675"><rect width="1200" height="675" fill="#334155"/><rect x="72" y="68" width="1056" height="540" rx="38" fill="#f8fafc"/><text x="112" y="132" font-size="36" font-family="Arial,'Microsoft YaHei',sans-serif" font-weight="700" fill="#334155">Ingress vs Gateway API：K8s…</text><g transform="translate(160,325)"><path d="M0,-72 L64,-36 L64,36 L0,72 L-64,36 L-64,-36 Z" fill="#cbd5e1"/><text y="8" text-anchor="middle" font-size="21" font-family="Arial,'Microsoft YaHei',sans-serif" font-weight="700" fill="#334155">接入入口</text></g><g transform="translate(365,325)"><path d="M0,-72 L64,-36 L64,36 L0,72 L-64,36 L-64,-36 Z" fill="#64748b"/><text y="8" text-anchor="middle" font-size="21" font-family="Arial,'Microsoft YaHei',sans-serif" font-weight="700" fill="white">服务通信</text></g><g transform="translate(570,325)"><path d="M0,-72 L64,-36 L64,36 L0,72 L-64,36 L-64,-36 Z" fill="#cbd5e1"/><text y="8" text-anchor="middle" font-size="21" font-family="Arial,'Microsoft YaHei',sans-serif" font-weight="700" fill="#334155">策略隔离</text></g><g transform="translate(775,325)"><path d="M0,-72 L64,-36 L64,36 L0,72 L-64,36 L-64,-36 Z" fill="#64748b"/><text y="8" text-anchor="middle" font-size="21" font-family="Arial,'Microsoft YaHei',sans-serif" font-weight="700" fill="white">指标采集</text></g><g transform="translate(980,325)"><path d="M0,-72 L64,-36 L64,36 L0,72 L-64,36 L-64,-36 Z" fill="#cbd5e1"/><text y="8" text-anchor="middle" font-size="21" font-family="Arial,'Microsoft YaHei',sans-serif" font-weight="700" fill="#334155">问题定位</text></g><text x="112" y="548" font-size="23" font-family="Arial,'Microsoft YaHei',sans-serif" fill="#334155">风险提示：只看连通性，忽略隔离边界、可观测性和流量治理</text></svg>