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app.py

@@ -64,8 +64,6 @@ body::before {
     background: transparent !important;
     max-width: 1600px !important;
     margin: 0 auto !important;
-    position: relative;
-    z-index: 1;
 }
 
 .tab-nav {
@@ -437,10 +435,10 @@ HEADER = """
 @keyframes ecgDraw{from{stroke-dashoffset:800}to{stroke-dashoffset:0}}
 @keyframes pls{0%,100%{opacity:1;transform:scale(1)}50%{opacity:0.5;transform:scale(1.3)}}
 </style>
-<div style="background:linear-gradient(135deg,#0a0f1e 0%,#0d0508 50%,#0a0f1e 100%);border-bottom:1px solid rgba(193,18,31,0.3);position:relative;overflow:hidden;padding:0;">
+<div style="background:linear-gradient(135deg,#0a0f1e 0%,#0d0508 50%,#0a0f1e 100%);border-bottom:1px solid rgba(193,18,31,0.3);overflow:hidden;padding:0;">
   <div style="position:absolute;top:0;left:0;right:0;bottom:0;background-image:linear-gradient(rgba(193,18,31,0.04) 1px,transparent 1px),linear-gradient(90deg,rgba(193,18,31,0.04) 1px,transparent 1px);background-size:40px 40px;pointer-events:none;"></div>
   <div style="position:absolute;top:-50%;left:-10%;width:400px;height:400px;background:radial-gradient(circle,rgba(193,18,31,0.08) 0%,transparent 70%);pointer-events:none;"></div>
-  <div style="max-width:1400px;margin:0 auto;padding:18px 28px;display:flex;align-items:center;justify-content:space-between;position:relative;z-index:1;">
+  <div style="max-width:1400px;margin:0 auto;padding:18px 28px;display:flex;align-items:center;justify-content:space-between;">
     <div style="display:flex;align-items:center;gap:16px;">
       <div style="width:52px;height:52px;background:linear-gradient(135deg,rgba(0,87,168,0.3),rgba(0,87,168,0.1));border:1px solid rgba(0,87,168,0.4);border-radius:14px;display:flex;align-items:center;justify-content:center;box-shadow:0 0 20px rgba(0,87,168,0.25);">
         <svg width="32" height="32" viewBox="0 0 100 100">