diff --git a/static/images/favicon.svg b/static/images/favicon.svg
index 0120d47..84bb2f5 100644
--- a/static/images/favicon.svg
+++ b/static/images/favicon.svg
@@ -1,8 +1,19 @@
 <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 64 64">
-  <rect width="64" height="64" fill="#f5f7fa" rx="8"/>
-  <text x="12" y="28" font-family="serif" font-size="20" fill="#003366">∫</text>
-  <circle cx="32" cy="32" r="12" fill="none" stroke="#003366" stroke-width="2"/>
-  <ellipse cx="32" cy="32" rx="12" ry="6" fill="none" stroke="#003366" stroke-width="1.5" transform="rotate(45 32 32)"/>
-  <ellipse cx="32" cy="32" rx="12" ry="6" fill="none" stroke="#003366" stroke-width="1.5" transform="rotate(-45 32 32)"/>
-  <text x="40" y="48" font-family="serif" font-size="18" fill="#003366">Σ</text>
+  <defs>
+    <style>
+      .bg { fill: #f5f7fa; }
+      .symbol { font-family: 'Times New Roman', Georgia, serif; font-size: 28px; fill: #003366; font-weight: bold; }
+      .slash { stroke: #003366; stroke-width: 2.5; fill: none; stroke-linecap: round; }
+    </style>
+  </defs>
+  
+  <!-- Фон -->
+  <rect width="64" height="64" rx="10" class="bg"/>
+  
+  <!-- Символы φ и μ -->
+  <text x="14" y="42" class="symbol">φ</text>
+  <text x="38" y="42" class="symbol">μ</text>
+  
+  <!-- Разделительная линия -->
+  <line x1="32" y1="22" x2="32" y2="44" class="slash" transform="rotate(15 32 33)"/>
 </svg>
\ No newline at end of file