blog

Author: RealMathModel

blog.html

@@ -4,30 +4,20 @@
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover">
 <meta name="theme-color" content="#0B1220">
-  <meta http-equiv="Content-Security-Policy" content="
-  default-src 'self';
-  script-src 'self' 'unsafe-inline' https://cdn.jsdelivr.net https://cdnjs.cloudflare.com;
-  style-src  'self' 'unsafe-inline' https://cdnjs.cloudflare.com;
-  font-src   'self' https://cdnjs.cloudflare.com data:;
-  img-src    'self' data:;
-  connect-src 'self';
-">
+<meta name="apple-mobile-web-app-capable" content="yes">
+<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
+<meta name="apple-mobile-web-app-title" content="Blog">
 <title>RealMathModel — Blog</title>
 
 <!-- FontAwesome -->
 <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/css/all.min.css" crossorigin="anonymous" referrerpolicy="no-referrer">
 <link rel="apple-touch-icon" href="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Crect width='180' height='180' rx='38' fill='%230B1220'/%3E%3Ctext x='26' y='118' font-family='monospace' font-size='62' fill='%23E0B23C'%3E%26gt;_%3C/text%3E%3C/svg%3E">
 <link rel="icon" href="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32'%3E%3Crect width='32' height='32' rx='7' fill='%230B1220'/%3E%3Ctext x='4' y='23' font-family='monospace' font-size='18' fill='%23E0B23C'%3E%26gt;_%3C/text%3E%3C/svg%3E">
 
-<!-- MathJax -->
-<script>
-window.MathJax = {
-  tex: { inlineMath: [['$','$']], displayMath: [['$$','$$']], processEscapes: true },
-  options: { skipHtmlTags: ['script','noscript','style','textarea','pre'] },
-  startup: { typeset: false }
-};
-</script>
-<script src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js" async></script>
+<!-- KaTeX  (CSP-safe: uses NO eval / new Function, unlike MathJax) -->
+<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.16.9/dist/katex.min.css" crossorigin="anonymous" referrerpolicy="no-referrer">
+<script defer src="https://cdn.jsdelivr.net/npm/katex@0.16.9/dist/katex.min.js" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
+<script defer src="https://cdn.jsdelivr.net/npm/katex@0.16.9/dist/contrib/auto-render.min.js" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
 
 <style>
 :root{