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<title>saas.td0.cn - HTTPS 测试</title>
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  body{font-family:-apple-system,Segoe UI,Roboto,sans-serif;background:#e8f5e9;color:#1b3a1b;margin:0;padding:40px;}
  .card{max-width:560px;margin:40px auto;background:#fff;border-radius:12px;padding:40px;box-shadow:0 4px 20px rgba(0,0,0,.08);}
  h1{margin:0 0 16px;font-size:24px;color:#0f5132;}
  .ok{color:#0f5132;font-weight:600;}
  .badge{display:inline-block;background:#d1e7dd;color:#0f5132;padding:4px 12px;border-radius:20px;font-size:13px;margin-bottom:12px;}
  .meta{margin-top:20px;padding-top:20px;border-top:1px solid #e9ecef;color:#6c757d;font-size:14px;line-height:1.8;}
  a{color:#0d6efd;}
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  <div class="card">
    <span class="badge">HTTPS / SSL</span>
    <h1>saas.td0.cn</h1>
    <p class="ok">HTTPS (端口 443) SSL 访问正常</p>
    <p>证书已配置成功,此页面通过 Docker Nginx 提供。</p>
    <p>HTTP 端口 80 独立访问,不跳转到 HTTPS。</p>
    <div class="meta">
      协议: HTTPS<br>
      端口: 443<br>
      服务: Docker Nginx (deploy-nginx-1)<br>
      证书: Let's Encrypt (有效期至 2026-09-24)<br>
      配置: /data/gchat/nginx/conf.d/saas.td0.cn.conf<br>
      时间: 2026-06-26
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