Upload app.py

app.py

@@ -147,6 +147,32 @@ def inject_custom_css():
                 background: white !important;
             }
             
+            /* 底部工具栏固定在搜索框下方 */
+            .stMainBlockContainer > div > div > div:has([data-testid="stPopover"]) {
+                position: fixed !important;
+                bottom: 0.3rem !important;
+                left: 50% !important;
+                transform: translateX(-50%) !important;
+                width: calc(100% - 2rem) !important;
+                max-width: 730px !important;
+                z-index: 9998 !important;
+            }
+            .stMainBlockContainer > div > div > div:has([data-testid="stPopover"]) [data-testid="stHorizontalBlock"] {
+                display: flex !important;
+                flex-wrap: nowrap !important;
+                gap: 0.5rem !important;
+            }
+            .stMainBlockContainer > div > div > div:has([data-testid="stPopover"]) [data-testid="stHorizontalBlock"] > div {
+                flex: 1 !important;
+                min-width: 0 !important;
+            }
+            /* popover 向上展开 */
+            [data-testid="stPopoverBody"] {
+                bottom: 100% !important;
+                top: auto !important;
+                margin-bottom: 0.5rem !important;
+            }
+            
             /* 主内容区域底部留出空间 */
             .block-container {
                 bottom: 7rem !important;
@@ -1485,17 +1511,3 @@ with _btn_cols[1]:
         st.rerun()
 
 _chat_fragment()
-
-# popover 向上展开的 CSS（放在最后确保生效）
-st.markdown("""
-<style>
-/* popover 向上展开 */
-[data-testid="stPopoverBody"] {
-    bottom: 100% !important;
-    top: auto !important;
-    margin-bottom: 0.5rem !important;
-    transform: translateY(0) !important;
-}
-</style>
-""", unsafe_allow_html=True)
-