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                        - <!DOCTYPE html>
 - <html>
 - 
 - <head>
 -   <style>
 -     body {
 -       font-family: 'Arial', sans-serif;
 -       line-height: 16pt;
 -       color: #101828;
 -       background-color: #e9ebf0;
 -       margin: 0;
 -       padding: 0;
 -     }
 - 
 -     .container {
 -       width: 600px;
 -       min-height: 605px;
 -       margin: 40px auto;
 -       padding: 36px 48px;
 -       background-color: #fcfcfd;
 -       border-radius: 16px;
 -       border: 1px solid #ffffff;
 -       box-shadow: 0 2px 4px -2px rgba(9, 9, 11, 0.08);
 -     }
 - 
 -     .header {
 -       margin-bottom: 24px;
 -     }
 - 
 -     .header img {
 -       max-width: 100px;
 -       height: auto;
 -     }
 - 
 -     .title {
 -       font-weight: 600;
 -       font-size: 24px;
 -       line-height: 28.8px;
 -     }
 - 
 -     .description {
 -       font-size: 13px;
 -       line-height: 16px;
 -       color: #676f83;
 -       margin-top: 12px;
 -     }
 - 
 -     .alert-content {
 -       padding: 16px 32px;
 -       text-align: center;
 -       border-radius: 16px;
 -       background-color: #fef0f0;
 -       margin: 16px auto;
 -       border: 1px solid #fda29b;
 -     }
 - 
 -     .alert-title {
 -       line-height: 24px;
 -       font-weight: 700;
 -       font-size: 18px;
 -       color: #d92d20;
 -     }
 - 
 -     .alert-detail {
 -       line-height: 20px;
 -       font-size: 14px;
 -       margin-top: 8px;
 -     }
 - 
 -     .typography {
 -       letter-spacing: -0.07px;
 -       font-weight: 400;
 -       font-style: normal;
 -       font-size: 14px;
 -       line-height: 20px;
 -       color: #354052;
 -       margin-top: 12px;
 -       margin-bottom: 12px;
 -     }
 -     .typography p{
 -       margin: 0 auto;
 -     }
 - 
 -     .typography-title {
 -       color: #101828;
 -       font-size: 14px;
 -       font-style: normal;
 -       font-weight: 600;
 -       line-height: 20px;
 -       margin-top: 12px;
 -       margin-bottom: 4px;
 -     }
 -     .tip-list{
 -       margin: 0;
 -       padding-left: 10px;
 -     }
 -   </style>
 - </head>
 - 
 - <body>
 -   <div class="container">
 -     <div class="header">
 -       <img src="https://assets.dify.ai/images/logo.png" alt="Dify Logo" />
 -     </div>
 -     <p class="title">Queue Monitoring Alert</p>
 -     <p class="typography">Our system has detected an abnormal queue status that requires your attention:</p>
 - 
 -     <div class="alert-content">
 -       <div class="alert-title">Queue Task Alert</div>
 -       <div class="alert-detail">
 -         Queue "{{queue_name}}" has {{queue_length}} pending tasks (Threshold: {{threshold}})
 -       </div>
 -     </div>
 - 
 -     <div class="typography">
 -       <p style="margin-bottom:4px">Recommended actions:</p>
 -       <p>1. Check the queue processing status in the system dashboard</p>
 -       <p>2. Verify if there are any processing bottlenecks</p>
 -       <p>3. Consider scaling up workers if needed</p>
 -     </div>
 - 
 -     <p class="typography-title">Additional Information:</p>
 -     <ul class="typography tip-list">
 -       <li>Alert triggered at: {{alert_time}}</li>
 -     </ul>
 -   </div>
 - </body>
 - 
 - </html>
 
 
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