Update streamlit_app.py

streamlit_app.py

@@ -135,6 +135,10 @@ def _render_hero():
     st.markdown(
         """
         <style>
+            html, body, [data-testid="stAppViewContainer"] {
+                overflow-x: hidden;
+                scrollbar-gutter: stable both-edges;
+            }
             .main {
                 background: radial-gradient(circle at 20% 20%, rgba(101, 80, 255, 0.08), transparent 35%),
                             radial-gradient(circle at 80% 0%, rgba(0, 186, 255, 0.12), transparent 40%),
@@ -144,6 +148,8 @@ def _render_hero():
             .block-container {
                 padding-top: 2rem;
                 padding-bottom: 3rem;
+                max-width: 1400px;
+                margin: 0 auto;
             }
             .glass {
                 border-radius: 18px;