diff --git a/index.html b/index.html
index a000618..346b868 100644
--- a/index.html
+++ b/index.html
@@ -6,14 +6,12 @@
 <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/github-markdown-css@5.5.1/github-markdown-light.min.css"/>
 <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/highlightjs/cdn-release@11.9.0/build/styles/github.min.css"/>
 <style>
-html, body { overscroll-behavior-y: contain; }
 .markdown-body{font-size:14px;line-height:1.6}.markdown-body pre{overflow:auto}
 .msg-bubble{overflow-x:auto}
 .copy-btn{position:absolute;top:.5rem;right:.5rem;background:#0f172a;color:#fff;border-radius:.5rem;padding:.25rem .5rem;font-size:12px;opacity:.85}
 .msg-avatar{font-size:16px}
 .menu-card{position:fixed;z-index:60;min-width:12rem;border-radius:0.75rem;border:1px solid #e5e7eb;background:#fff;box-shadow:0 10px 20px rgba(0,0,0,.08)}
 .menu-item{width:100%;text-align:left;padding:.5rem .75rem;font-size:0.875rem;display:flex;align-items:center;gap:.5rem}
-#htmlEditor{outline:none;white-space:pre!important}
 </style>
 <script src="https://unpkg.com/htmx.org@1.9.12"></script>
 </head>