<div style="font-family:'Malgun Gothic','Noto Sans KR',sans-serif; background-color:#f4f6f9; color:#333; display:flex; justify-content:center; align-items:center; min-height:100vh; margin:0; padding:20px; box-sizing:border-box;">
  <div class="container" style="background-color:#fff; padding:40px 50px; border-radius:10px; box-shadow:0 10px 25px rgba(0,0,0,0.05); max-width:600px; width:100%; text-align:center; border-top:6px solid #8e734c; box-sizing:border-box;">

    <img src="data:image/png;base64,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" alt="The Crosby" class="logo" style="max-width:200px; margin-bottom:30px;">

    <div class="title-area" style="margin-bottom:30px;">
      <h1 style="font-size:24px; color:#d32f2f; margin:0 0 15px 0; display:flex; align-items:center; justify-content:center; gap:10px;">
        ⚠️ 웹 페이지 접근 차단 안내
      </h1>
      <p class="desc" style="font-size:15px; line-height:1.6; color:#555; word-break:keep-all; margin:0;">
        고객님께서 요청하신 웹 페이지는 시스템 보호를 위한
        <strong>웹 방화벽 보안 정책</strong>에 의해 접근이 차단되었습니다.
      </p>
    </div>

    <div class="contact-box" style="background-color:#fafafa; border:1px solid #eaeaea; padding:25px; border-radius:8px; margin-top:30px; text-align:left;">
      <h3 style="margin-top:0; font-size:17px; color:#222; margin-bottom:12px;">
        정상적인 접근이신가요?
      </h3>

      <p style="font-size:14px; line-height:1.6; color:#555; margin-bottom:20px; margin-top:0;">
        서비스 이용에 불편을 드려 대단히 죄송합니다. 정상적인 이용 중 본 페이지를 확인하셨다면
        방화벽 오탐지일 가능성이 있습니다.<br>
        아래의 <strong>세션 키(Session Key)</strong>와 함께 담당자에게 문의해 주시면
        신속하게 확인 후 조치해 드리겠습니다.
      </p>

      <div class="contact-info" style="font-size:14px; color:#333; background:#fff; padding:15px; border-radius:5px; border:1px solid #ddd; margin-bottom:15px;">
        <strong>[ 보안 및 IT 담당자 연락처 ]</strong><br><br>
        • 담당자 : 총무팀 홍훈기<br>
        • 연락처 : 031-730-8645<br>
        • 이메일 : thecrosby1@naver.com
      </div>

      <div class="session-key-box" style="text-align:center; background:#fff3e0; padding:15px; border-radius:5px; border:1px dashed #ff9800;">
        <span style="font-size:13px; color:#e65100; display:block; margin-bottom:8px;">
          담당자에게 문의하실 때 아래의 코드를 알려주세요.
        </span>
        <div class="session-key" style="font-weight:bold; font-size:16px; color:#d84315; letter-spacing:1px;">
          909AFD5F6E5100EFCE171985A03E6F62
        </div>
      </div>
    </div>

    <div class="policy-info" style="font-size:12px; color:#aaa; margin-top:30px; text-align:center; line-height:1.5;">
      본 페이지는 Directory Listing, File Upload, Invalid URL, CVE 취약점 등<br>
      비정상적인 웹 요청이 감지되었을 때 표시됩니다.
    </div>

  </div>
</div>