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  <text x="60" y="112" font-family="Arial, 'Microsoft YaHei', sans-serif" font-size="18" fill="#475569">围绕身份、设备、策略、持续验证与最小权限构建访问控制</text>
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    <text x="950" y="220" text-anchor="middle" font-size="22" font-weight="700" fill="#166534">设备状态</text>

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    <text x="600" y="616" text-anchor="middle" font-size="18" fill="#1e40af">零信任强调每次访问都按身份、上下文和策略重新判断，而不是默认放行</text>
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