diff --git a/src/components/common/PageTransition.tsx b/src/components/common/PageTransition.tsx
index 452d56a..5561275 100644
--- a/src/components/common/PageTransition.tsx
+++ b/src/components/common/PageTransition.tsx
@@ -391,7 +391,10 @@ export function PageTransition({
               }
             >
               <PageTransitionLayerContext.Provider
-                value={PAGE_TRANSITION_LAYER_CONTEXT_VALUES[layer.status]}
+                value={{
+                  ...PAGE_TRANSITION_LAYER_CONTEXT_VALUES[layer.status],
+                  isAnimating,
+                }}
               >
                 {render(layer.location)}
               </PageTransitionLayerContext.Provider>
diff --git a/src/components/common/PageTransitionLayer.ts b/src/components/common/PageTransitionLayer.ts
index 98f5898..0ab66c3 100644
--- a/src/components/common/PageTransitionLayer.ts
+++ b/src/components/common/PageTransitionLayer.ts
@@ -5,15 +5,16 @@ export type LayerStatus = 'current' | 'exiting' | 'stacked';
 export type PageTransitionLayerContextValue = {
   status: LayerStatus;
   isCurrentLayer: boolean;
+  isAnimating: boolean;
 };
 
 export const PageTransitionLayerContext =
   createContext<PageTransitionLayerContextValue | null>(null);
 
 export const PAGE_TRANSITION_LAYER_CONTEXT_VALUES: Record<LayerStatus, PageTransitionLayerContextValue> = {
-  current: { status: 'current', isCurrentLayer: true },
-  stacked: { status: 'stacked', isCurrentLayer: false },
-  exiting: { status: 'exiting', isCurrentLayer: false },
+  current: { status: 'current', isCurrentLayer: true, isAnimating: false },
+  stacked: { status: 'stacked', isCurrentLayer: false, isAnimating: false },
+  exiting: { status: 'exiting', isCurrentLayer: false, isAnimating: false },
 };
 
 export function usePageTransitionLayer() {
diff --git a/src/components/providers/ClaudeSection/ClaudeSection.tsx b/src/components/providers/ClaudeSection/ClaudeSection.tsx
index abb4a07..20aa817 100644
--- a/src/components/providers/ClaudeSection/ClaudeSection.tsx
+++ b/src/components/providers/ClaudeSection/ClaudeSection.tsx
@@ -91,8 +91,8 @@ export function ClaudeSection({
           keyField={(item, index) => getProviderConfigKey(item, index)}
           emptyTitle={t('ai_providers.claude_empty_title')}
           emptyDescription={t('ai_providers.claude_empty_desc')}
-          onEdit={onEdit}
-          onDelete={onDelete}
+          onEdit={(_, index) => onEdit(index)}
+          onDelete={(_, index) => onDelete(index)}
           actionsDisabled={actionsDisabled}
           getRowDisabled={(item) => hasDisableAllModelsRule(item.excludedModels)}
           renderExtraActions={(item, index) => (
diff --git a/src/components/providers/CodexSection/CodexSection.tsx b/src/components/providers/CodexSection/CodexSection.tsx
index 1245357..7db1150 100644
--- a/src/components/providers/CodexSection/CodexSection.tsx
+++ b/src/components/providers/CodexSection/CodexSection.tsx
@@ -91,8 +91,8 @@ export function CodexSection({
           keyField={(item, index) => getProviderConfigKey(item, index)}
           emptyTitle={t('ai_providers.codex_empty_title')}
           emptyDescription={t('ai_providers.codex_empty_desc')}
-          onEdit={onEdit}
-          onDelete={onDelete}
+          onEdit={(_, index) => onEdit(index)}
+          onDelete={(_, index) => onDelete(index)}
           actionsDisabled={actionsDisabled}
           getRowDisabled={(item) => hasDisableAllModelsRule(item.excludedModels)}
           renderExtraActions={(item, index) => (
diff --git a/src/components/providers/GeminiSection/GeminiSection.tsx b/src/components/providers/GeminiSection/GeminiSection.tsx
index a551311..48b141e 100644
--- a/src/components/providers/GeminiSection/GeminiSection.tsx
+++ b/src/components/providers/GeminiSection/GeminiSection.tsx
@@ -91,8 +91,8 @@ export function GeminiSection({
           keyField={(item, index) => getProviderConfigKey(item, index)}
           emptyTitle={t('ai_providers.gemini_empty_title')}
           emptyDescription={t('ai_providers.gemini_empty_desc')}
-          onEdit={onEdit}
-          onDelete={onDelete}
+          onEdit={(_, index) => onEdit(index)}
+          onDelete={(_, index) => onDelete(index)}
           actionsDisabled={actionsDisabled}
           getRowDisabled={(item) => hasDisableAllModelsRule(item.excludedModels)}
           renderExtraActions={(item, index) => (
diff --git a/src/components/providers/OpenAISection/OpenAISection.tsx b/src/components/providers/OpenAISection/OpenAISection.tsx
index 6b9315d..7b7c766 100644
--- a/src/components/providers/OpenAISection/OpenAISection.tsx
+++ b/src/components/providers/OpenAISection/OpenAISection.tsx
@@ -1,25 +1,41 @@
-import { Fragment, useMemo } from 'react';
+import { useEffect, useMemo, useRef, useState } from 'react';
+import { createPortal } from 'react-dom';
 import { useTranslation } from 'react-i18next';
 import { Button } from '@/components/ui/Button';
 import { Card } from '@/components/ui/Card';
+import { EmptyState } from '@/components/ui/EmptyState';
 import { IconCheck, IconX } from '@/components/ui/icons';
 import iconOpenaiLight from '@/assets/icons/openai-light.svg';
 import iconOpenaiDark from '@/assets/icons/openai-dark.svg';
 import type { OpenAIProviderConfig } from '@/types';
 import { maskApiKey } from '@/utils/format';
-import { calculateStatusBarData, type KeyStats } from '@/utils/usage';
+import {
+  calculateStatusBarData,
+  type KeyStats,
+} from '@/utils/usage';
 import { type UsageDetailsByAuthIndex, type UsageDetailsBySource } from '@/utils/usageIndex';
 import styles from '@/pages/AiProvidersPage.module.scss';
-import { ProviderList } from '../ProviderList';
 import { ProviderStatusBar } from '../ProviderStatusBar';
+import { usePageTransitionLayer } from '@/components/common/PageTransitionLayer';
 import {
   collectOpenAIProviderUsageDetails,
-  getOpenAIEntryKey,
   getOpenAIProviderKey,
   getOpenAIProviderStats,
   getStatsForIdentity,
 } from '../utils';
 
+type SortOption = 'name' | 'priority' | 'recent-success';
+type SortDirection = 'asc' | 'desc';
+
+interface FloatingToolbarStyle {
+  left: number;
+  top: number;
+  width: number;
+  visible: boolean;
+}
+
+const EMPTY_STATUS_BAR = calculateStatusBarData([]);
+
 interface OpenAISectionProps {
   configs: OpenAIProviderConfig[];
   keyStats: KeyStats;
@@ -34,6 +50,11 @@ interface OpenAISectionProps {
   onDelete: (index: number) => void;
 }
 
+interface IndexedOpenAIProvider {
+  config: OpenAIProviderConfig;
+  originalIndex: number;
+}
+
 export function OpenAISection({
   configs,
   keyStats,
@@ -48,7 +69,152 @@ export function OpenAISection({
   onDelete,
 }: OpenAISectionProps) {
   const { t } = useTranslation();
+  const pageTransitionLayer = usePageTransitionLayer();
+  const isTransitionAnimating = pageTransitionLayer?.isAnimating ?? false;
   const actionsDisabled = disableControls || loading || isSwitching;
+  const [sortOption, setSortOption] = useState<SortOption>('priority');
+  const [sortDirection, setSortDirection] = useState<SortDirection>('asc');
+  const [selectedModels, setSelectedModels] = useState<Set<string>>(new Set());
+  const [isDropdownOpen, setIsDropdownOpen] = useState(false);
+  const [dropdownLayout, setDropdownLayout] = useState({ openAbove: false, maxHeight: 300 });
+  const [floatingToolbarStyle, setFloatingToolbarStyle] = useState<FloatingToolbarStyle>({
+    left: 0,
+    top: 0,
+    width: 0,
+    visible: false,
+  });
+  const sectionRef = useRef<HTMLDivElement>(null);
+  const topToolbarAnchorRef = useRef<HTMLDivElement>(null);
+  const topDropdownRef = useRef<HTMLDivElement>(null);
+  const floatingDropdownRef = useRef<HTMLDivElement>(null);
+
+  const shouldRenderFloatingToolbar = !isTransitionAnimating && floatingToolbarStyle.visible;
+
+  useEffect(() => {
+    if (isTransitionAnimating) {
+      return;
+    }
+
+    const updateFloatingToolbar = () => {
+      const section = sectionRef.current;
+      const anchor = topToolbarAnchorRef.current;
+
+      if (!section || !anchor) {
+        return;
+      }
+
+      const sectionRect = section.getBoundingClientRect();
+      const anchorRect = anchor.getBoundingClientRect();
+      const rootStyles = getComputedStyle(document.documentElement);
+      const fixedTop = Number.parseFloat(rootStyles.getPropertyValue('--header-height')) || 64;
+      const toolbarHeight = anchorRect.height;
+      const isMobile = window.innerWidth <= 768;
+      const shouldShow = !isMobile && anchorRect.top <= fixedTop && sectionRect.bottom > fixedTop + toolbarHeight;
+
+      setFloatingToolbarStyle((prev) => {
+        const next = {
+          left: sectionRect.left,
+          top: fixedTop,
+          width: sectionRect.width,
+          visible: shouldShow,
+        };
+
+        if (
+          prev.left === next.left &&
+          prev.top === next.top &&
+          prev.width === next.width &&
+          prev.visible === next.visible
+        ) {
+          return prev;
+        }
+
+        return next;
+      });
+    };
+
+    updateFloatingToolbar();
+    window.addEventListener('resize', updateFloatingToolbar);
+    window.addEventListener('scroll', updateFloatingToolbar, true);
+
+    return () => {
+      window.removeEventListener('resize', updateFloatingToolbar);
+      window.removeEventListener('scroll', updateFloatingToolbar, true);
+    };
+  }, [configs.length, isDropdownOpen, isTransitionAnimating, selectedModels, sortDirection, sortOption]);
+
+  useEffect(() => {
+    if (!isDropdownOpen) {
+      return;
+    }
+
+    const handleClickOutside = (event: MouseEvent) => {
+      const target = event.target as Node;
+      const clickedTop = topDropdownRef.current?.contains(target);
+      const clickedFloating = floatingDropdownRef.current?.contains(target);
+
+      if (!clickedTop && !clickedFloating) {
+        setIsDropdownOpen(false);
+      }
+    };
+    document.addEventListener('mousedown', handleClickOutside);
+    return () => document.removeEventListener('mousedown', handleClickOutside);
+  }, [isDropdownOpen]);
+
+  useEffect(() => {
+    if (!isDropdownOpen) {
+      return;
+    }
+
+    const updateDropdownLayout = () => {
+      const wrapper = floatingToolbarStyle.visible
+        ? floatingDropdownRef.current
+        : topDropdownRef.current;
+
+      if (!wrapper) {
+        return;
+      }
+
+      const rect = wrapper.getBoundingClientRect();
+      const viewportPadding = 12;
+      const dropdownGap = 4;
+      const preferredMaxHeight = 300;
+      const minimumMaxHeight = 120;
+      const availableBelow = Math.max(0, window.innerHeight - rect.bottom - viewportPadding - dropdownGap);
+      const availableAbove = Math.max(0, rect.top - viewportPadding - dropdownGap);
+      const openAbove = availableBelow < preferredMaxHeight && availableAbove > availableBelow;
+      const availableSpace = openAbove ? availableAbove : availableBelow;
+      const maxHeight = Math.max(minimumMaxHeight, Math.min(preferredMaxHeight, availableSpace));
+
+      setDropdownLayout((prev) => {
+        if (prev.openAbove === openAbove && prev.maxHeight === maxHeight) {
+          return prev;
+        }
+
+        return { openAbove, maxHeight };
+      });
+    };
+
+    updateDropdownLayout();
+    window.addEventListener('resize', updateDropdownLayout);
+    window.addEventListener('scroll', updateDropdownLayout, true);
+
+    return () => {
+      window.removeEventListener('resize', updateDropdownLayout);
+      window.removeEventListener('scroll', updateDropdownLayout, true);
+    };
+  }, [floatingToolbarStyle.visible, isDropdownOpen]);
+
+  const allModelNames = useMemo(() => {
+    const modelSet = new Set<string>();
+    configs.forEach((provider) => {
+      provider.models?.forEach((model) => {
+        if (model.name) {
+          modelSet.add(model.name);
+        }
+      });
+    });
+    return Array.from(modelSet).sort();
+  }, [configs]);
 
   const statusBarCache = useMemo(() => {
     const cache = new Map<string, ReturnType<typeof calculateStatusBarData>>();
@@ -70,144 +236,395 @@ export function OpenAISection({
     return cache;
   }, [configs, usageDetailsByAuthIndex, usageDetailsBySource]);
 
+  const sortedConfigs = useMemo<IndexedOpenAIProvider[]>(() => {
+    const indexed = configs.map((config, originalIndex) => ({ config, originalIndex }));
+    const filtered = indexed.filter(({ config }) => {
+      if (selectedModels.size === 0) return true;
+      return config.models?.some((model) => selectedModels.has(model.name));
+    });
+
+    const sorted = [...filtered];
+    const direction = sortDirection === 'desc' ? -1 : 1;
+    const providerStats =
+      sortOption === 'recent-success'
+        ? new Map(
+          sorted.map(({ config }) => [
+            config,
+            getOpenAIProviderStats(config, keyStats),
+          ])
+        )
+        : null;
+
+    switch (sortOption) {
+      case 'name':
+        sorted.sort((a, b) => direction * a.config.name.localeCompare(b.config.name));
+        break;
+      case 'priority':
+        sorted.sort((a, b) => {
+          const priorityA = a.config.priority ?? Number.MAX_SAFE_INTEGER;
+          const priorityB = b.config.priority ?? Number.MAX_SAFE_INTEGER;
+          const priorityDiff = priorityA - priorityB;
+
+          if (priorityDiff !== 0) {
+            return direction * priorityDiff;
+          }
+
+          return direction * a.config.name.localeCompare(b.config.name);
+        });
+        break;
+      case 'recent-success':
+        sorted.sort((a, b) => {
+          const successDiff =
+            (providerStats?.get(a.config)?.success ?? 0) - (providerStats?.get(b.config)?.success ?? 0);
+
+          if (successDiff !== 0) {
+            return direction * successDiff;
+          }
+
+          return direction * a.config.name.localeCompare(b.config.name);
+        });
+        break;
+      default:
+        break;
+    }
+
+    return sorted;
+  }, [configs, sortOption, sortDirection, keyStats, selectedModels]);
+
+  const toggleModelSelection = (modelName: string) => {
+    setSelectedModels((prev) => {
+      const next = new Set(prev);
+      if (next.has(modelName)) {
+        next.delete(modelName);
+      } else {
+        next.add(modelName);
+      }
+      return next;
+    });
+  };
+
+  const clearAllModels = () => {
+    setSelectedModels(new Set());
+  };
+
+  const handleSortOptionChange = (value: SortOption) => {
+    setSortOption(value);
+  };
+
+  const toggleSortDirection = () => {
+    setSortDirection((prev) => (prev === 'asc' ? 'desc' : 'asc'));
+  };
+
+  const toggleDropdown = () => setIsDropdownOpen((prev) => !prev);
+
+  const renderSortControls = () => (
+    <div className={styles.sortControls}>
+      <select
+        value={sortOption}
+        onChange={(e) => handleSortOptionChange(e.target.value as SortOption)}
+        className={styles.sortSelect}
+        disabled={actionsDisabled}
+      >
+        <option value="priority">{t('ai_providers.sort_by_priority')}</option>
+        <option value="name">{t('ai_providers.sort_by_name')}</option>
+        <option value="recent-success">{t('ai_providers.sort_by_recent_success')}</option>
+      </select>
+      <button
+        type="button"
+        onClick={toggleSortDirection}
+        className={styles.sortDirectionButton}
+        disabled={actionsDisabled}
+        title={sortDirection === 'asc' ? t('ai_providers.sort_ascending') : t('ai_providers.sort_descending')}
+      >
+        {sortDirection === 'asc' ? '↑' : '↓'}
+      </button>
+    </div>
+  );
+
+  const renderToolbar = (isFloating = false) => {
+    const isActiveToolbar = isFloating === shouldRenderFloatingToolbar;
+    const dropdownClassName =
+      dropdownLayout.openAbove ? `${styles.modelDropdownList} ${styles.modelDropdownListAbove}` : styles.modelDropdownList;
+
+    return (
+      <div className={styles.cardHeaderActions}>
+        <div
+          className={styles.modelMultiSelectWrapper}
+          ref={isFloating ? floatingDropdownRef : topDropdownRef}
+        >
+          <button
+            type="button"
+            className={styles.modelSelectedTags}
+            onClick={toggleDropdown}
+            disabled={actionsDisabled}
+          >
+            {selectedModels.size === 0 ? (
+              <span className={styles.modelSelectPlaceholder}>
+                {t('ai_providers.model_search_placeholder')}
+              </span>
+            ) : (
+              <>
+                {Array.from(selectedModels).map((name) => (
+                  <span key={`top-${name}`} className={styles.modelFilterTag}>
+                    <span className={styles.modelTagName}>{name}</span>
+                    <span
+                      role="button"
+                      tabIndex={0}
+                      className={styles.modelTagRemove}
+                      onClick={(e) => {
+                        e.stopPropagation();
+                        toggleModelSelection(name);
+                      }}
+                      onKeyDown={(e) => {
+                        if (e.key === 'Enter' || e.key === ' ') {
+                          e.preventDefault();
+                          e.stopPropagation();
+                          toggleModelSelection(name);
+                        }
+                      }}
+                    >
+                      ×
+                    </span>
+                  </span>
+                ))}
+              </>
+            )}
+            <span className={styles.modelSelectArrow}>▼</span>
+          </button>
+
+          {isActiveToolbar && isDropdownOpen && (
+            <div className={dropdownClassName} style={{ maxHeight: `${dropdownLayout.maxHeight}px` }}>
+              <div className={styles.modelDropdownHeader}>
+                <button
+                  type="button"
+                  onClick={() => setSelectedModels(new Set(allModelNames))}
+                  className={styles.modelDropdownSelectAll}
+                >
+                  {t('ai_providers.model_select_all')}
+                </button>
+                {selectedModels.size > 0 && (
+                  <button
+                    type="button"
+                    onClick={clearAllModels}
+                    className={styles.modelDropdownClear}
+                  >
+                    {t('ai_providers.model_search_clear')}
+                  </button>
+                )}
+              </div>
+              {allModelNames.map((name) => (
+                <label key={`top-option-${name}`} className={styles.modelDropdownItem}>
+                  <input
+                    type="checkbox"
+                    checked={selectedModels.has(name)}
+                    onChange={() => toggleModelSelection(name)}
+                  />
+                  <span>{name}</span>
+                </label>
+              ))}
+            </div>
+          )}
+        </div>
+        {selectedModels.size > 0 && (
+          <Button
+            variant="secondary"
+            size="sm"
+            onClick={clearAllModels}
+            disabled={actionsDisabled}
+            className={styles.modelFilterClearButton}
+          >
+            {t('ai_providers.model_search_clear')}
+          </Button>
+        )}
+        {renderSortControls()}
+        <Button size="sm" onClick={onAdd} disabled={actionsDisabled}>
+          {t('ai_providers.openai_add_button')}
+        </Button>
+      </div>
+    );
+  };
+
+  const renderStaticTitle = () => (
+    <span className={styles.cardTitle}>
+      <img
+        src={resolvedTheme === 'dark' ? iconOpenaiDark : iconOpenaiLight}
+        alt=""
+        className={styles.cardTitleIcon}
+      />
+      {t('ai_providers.openai_title')}
+    </span>
+  );
+
+  const renderProviderCard = ({ config: provider, originalIndex }: IndexedOpenAIProvider) => {
+    const stats = getOpenAIProviderStats(provider, keyStats);
+    const headerEntries = Object.entries(provider.headers || {});
+    const apiKeyEntries = provider.apiKeyEntries || [];
+    const statusData = statusBarCache.get(getOpenAIProviderKey(provider, originalIndex)) || EMPTY_STATUS_BAR;
+
+    return (
+      <div
+        key={`openai-provider-${originalIndex}`}
+        className={styles.openaiProviderCard}
+        style={actionsDisabled ? { opacity: 0.6 } : undefined}
+      >
+        <div className={styles.openaiProviderMeta}>
+          <div className={styles.openaiProviderTitle}>{provider.name}</div>
+          {provider.priority !== undefined && (
+            <div className={styles.fieldRow}>
+              <span className={styles.fieldLabel}>{t('common.priority')}:</span>
+              <span className={styles.fieldValue}>{provider.priority}</span>
+            </div>
+          )}
+          {provider.prefix && (
+            <div className={styles.fieldRow}>
+              <span className={styles.fieldLabel}>{t('common.prefix')}:</span>
+              <span className={styles.fieldValue}>{provider.prefix}</span>
+            </div>
+          )}
+          <div className={styles.fieldRow}>
+            <span className={styles.fieldLabel}>{t('common.base_url')}:</span>
+            <span className={styles.fieldValue}>{provider.baseUrl}</span>
+          </div>
+          {headerEntries.length > 0 && (
+            <div className={styles.headerBadgeList}>
+              {headerEntries.map(([key, value]) => (
+                <span key={key} className={styles.headerBadge}>
+                  <strong>{key}:</strong> {value}
+                </span>
+              ))}
+            </div>
+          )}
+          {apiKeyEntries.length > 0 && (
+            <div className={styles.apiKeyEntriesSection}>
+              <div className={styles.apiKeyEntriesLabel}>
+                {t('ai_providers.openai_keys_count')}: {apiKeyEntries.length}
+              </div>
+              <div className={styles.apiKeyEntryList}>
+                {apiKeyEntries.map((entry, entryIndex) => {
+                  const entryStats = getStatsForIdentity(
+                    { authIndex: entry.authIndex, apiKey: entry.apiKey },
+                    keyStats
+                  );
+                  return (
+                    <div
+                      key={`${entry.authIndex ?? 'none'}-${entry.apiKey}-${entryIndex}`}
+                      className={styles.apiKeyEntryCard}
+                    >
+                      <span className={styles.apiKeyEntryIndex}>{entryIndex + 1}</span>
+                      <span className={styles.apiKeyEntryKey}>{maskApiKey(entry.apiKey)}</span>
+                      {entry.proxyUrl && <span className={styles.apiKeyEntryProxy}>{entry.proxyUrl}</span>}
+                      <div className={styles.apiKeyEntryStats}>
+                        <span className={`${styles.apiKeyEntryStat} ${styles.apiKeyEntryStatSuccess}`}>
+                          <IconCheck size={12} /> {entryStats.success}
+                        </span>
+                        <span className={`${styles.apiKeyEntryStat} ${styles.apiKeyEntryStatFailure}`}>
+                          <IconX size={12} /> {entryStats.failure}
+                        </span>
+                      </div>
+                    </div>
+                  );
+                })}
+              </div>
+            </div>
+          )}
+          <div className={styles.fieldRow} style={{ marginTop: '8px' }}>
+            <span className={styles.fieldLabel}>{t('ai_providers.openai_models_count')}:</span>
+            <span className={styles.fieldValue}>{provider.models?.length || 0}</span>
+          </div>
+          {provider.models?.length ? (
+            <div className={styles.modelTagList}>
+              {provider.models.map((model) => (
+                <span key={model.name} className={styles.modelTag}>
+                  <span className={styles.modelName}>{model.name}</span>
+                  {model.alias && model.alias !== model.name && (
+                    <span className={styles.modelAlias}>{model.alias}</span>
+                  )}
+                </span>
+              ))}
+            </div>
+          ) : null}
+          {provider.testModel && (
+            <div className={styles.fieldRow}>
+              <span className={styles.fieldLabel}>{t('ai_providers.openai_test_model')}:</span>
+              <span className={styles.fieldValue}>{provider.testModel}</span>
+            </div>
+          )}
+          <div className={styles.cardStats}>
+            <span className={`${styles.statPill} ${styles.statSuccess}`}>
+              {t('stats.success')}: {stats.success}
+            </span>
+            <span className={`${styles.statPill} ${styles.statFailure}`}>
+              {t('stats.failure')}: {stats.failure}
+            </span>
+          </div>
+          <ProviderStatusBar statusData={statusData} />
+        </div>
+        <div className={styles.openaiProviderActions}>
+          <Button variant="secondary" size="sm" onClick={() => onEdit(originalIndex)} disabled={actionsDisabled}>
+            {t('common.edit')}
+          </Button>
+          <Button variant="danger" size="sm" onClick={() => onDelete(originalIndex)} disabled={actionsDisabled}>
+            {t('common.delete')}
+          </Button>
+        </div>
+      </div>
+    );
+  };
+
   return (
     <>
-      <Card
-        title={
-          <span className={styles.cardTitle}>
-            <img
-              src={resolvedTheme === 'dark' ? iconOpenaiDark : iconOpenaiLight}
-              alt=""
-              className={styles.cardTitleIcon}
+      <div ref={sectionRef}>
+        <Card
+          title={renderStaticTitle()}
+          extra={
+            <div
+              ref={topToolbarAnchorRef}
+              className={shouldRenderFloatingToolbar ? styles.openaiToolbarAnchorHidden : undefined}
+            >
+              {renderToolbar(false)}
+            </div>
+          }
+        >
+          {loading && sortedConfigs.length === 0 ? (
+            <div className="hint">{t('common.loading')}</div>
+          ) : configs.length > 0 && sortedConfigs.length === 0 ? (
+            <EmptyState
+              title={t('ai_providers.openai_filtered_empty_title')}
+              description={t('ai_providers.openai_filtered_empty_desc')}
+              action={(
+                <Button variant="secondary" size="sm" onClick={clearAllModels} disabled={actionsDisabled}>
+                  {t('ai_providers.model_search_clear')}
+                </Button>
+              )}
             />
-            {t('ai_providers.openai_title')}
-          </span>
-        }
-        extra={
-          <Button size="sm" onClick={onAdd} disabled={actionsDisabled}>
-            {t('ai_providers.openai_add_button')}
-          </Button>
-        }
-      >
-        <ProviderList<OpenAIProviderConfig>
-          items={configs}
-          loading={loading}
-          keyField={(item, index) => getOpenAIProviderKey(item, index)}
-          emptyTitle={t('ai_providers.openai_empty_title')}
-          emptyDescription={t('ai_providers.openai_empty_desc')}
-          onEdit={onEdit}
-          onDelete={onDelete}
-          actionsDisabled={actionsDisabled}
-          renderContent={(item, index) => {
-            const stats = getOpenAIProviderStats(item, keyStats);
-            const headerEntries = Object.entries(item.headers || {});
-            const apiKeyEntries = item.apiKeyEntries || [];
-            const statusData =
-              statusBarCache.get(getOpenAIProviderKey(item, index)) || calculateStatusBarData([]);
-
-            return (
-              <Fragment>
-                <div className="item-title">{item.name}</div>
-                {item.priority !== undefined && (
-                  <div className={styles.fieldRow}>
-                    <span className={styles.fieldLabel}>{t('common.priority')}:</span>
-                    <span className={styles.fieldValue}>{item.priority}</span>
-                  </div>
-                )}
-                {item.prefix && (
-                  <div className={styles.fieldRow}>
-                    <span className={styles.fieldLabel}>{t('common.prefix')}:</span>
-                    <span className={styles.fieldValue}>{item.prefix}</span>
-                  </div>
-                )}
-                <div className={styles.fieldRow}>
-                  <span className={styles.fieldLabel}>{t('common.base_url')}:</span>
-                  <span className={styles.fieldValue}>{item.baseUrl}</span>
-                </div>
-                {headerEntries.length > 0 && (
-                  <div className={styles.headerBadgeList}>
-                    {headerEntries.map(([key, value]) => (
-                      <span key={key} className={styles.headerBadge}>
-                        <strong>{key}:</strong> {value}
-                      </span>
-                    ))}
-                  </div>
-                )}
-                {apiKeyEntries.length > 0 && (
-                  <div className={styles.apiKeyEntriesSection}>
-                    <div className={styles.apiKeyEntriesLabel}>
-                      {t('ai_providers.openai_keys_count')}: {apiKeyEntries.length}
-                    </div>
-                    <div className={styles.apiKeyEntryList}>
-                      {apiKeyEntries.map((entry, entryIndex) => {
-                        const entryStats = getStatsForIdentity(
-                          { authIndex: entry.authIndex, apiKey: entry.apiKey },
-                          keyStats
-                        );
-                        return (
-                          <div
-                            key={getOpenAIEntryKey(entry, entryIndex)}
-                            className={styles.apiKeyEntryCard}
-                          >
-                            <span className={styles.apiKeyEntryIndex}>{entryIndex + 1}</span>
-                            <span className={styles.apiKeyEntryKey}>{maskApiKey(entry.apiKey)}</span>
-                            {entry.proxyUrl && (
-                              <span className={styles.apiKeyEntryProxy}>{entry.proxyUrl}</span>
-                            )}
-                            <div className={styles.apiKeyEntryStats}>
-                              <span
-                                className={`${styles.apiKeyEntryStat} ${styles.apiKeyEntryStatSuccess}`}
-                              >
-                                <IconCheck size={12} /> {entryStats.success}
-                              </span>
-                              <span
-                                className={`${styles.apiKeyEntryStat} ${styles.apiKeyEntryStatFailure}`}
-                              >
-                                <IconX size={12} /> {entryStats.failure}
-                              </span>
-                            </div>
-                          </div>
-                        );
-                      })}
-                    </div>
-                  </div>
-                )}
-                <div className={styles.fieldRow} style={{ marginTop: '8px' }}>
-                  <span className={styles.fieldLabel}>{t('ai_providers.openai_models_count')}:</span>
-                  <span className={styles.fieldValue}>{item.models?.length || 0}</span>
-                </div>
-                {item.models?.length ? (
-                  <div className={styles.modelTagList}>
-                    {item.models.map((model) => (
-                      <span key={model.name} className={styles.modelTag}>
-                        <span className={styles.modelName}>{model.name}</span>
-                        {model.alias && model.alias !== model.name && (
-                          <span className={styles.modelAlias}>{model.alias}</span>
-                        )}
-                      </span>
-                    ))}
-                  </div>
-                ) : null}
-                {item.testModel && (
-                  <div className={styles.fieldRow}>
-                    <span className={styles.fieldLabel}>Test Model:</span>
-                    <span className={styles.fieldValue}>{item.testModel}</span>
-                  </div>
-                )}
-                <div className={styles.cardStats}>
-                  <span className={`${styles.statPill} ${styles.statSuccess}`}>
-                    {t('stats.success')}: {stats.success}
-                  </span>
-                  <span className={`${styles.statPill} ${styles.statFailure}`}>
-                    {t('stats.failure')}: {stats.failure}
-                  </span>
-                </div>
-                <ProviderStatusBar statusData={statusData} />
-              </Fragment>
-            );
-          }}
-        />
-      </Card>
+          ) : sortedConfigs.length === 0 ? (
+            <EmptyState
+              title={t('ai_providers.openai_empty_title')}
+              description={t('ai_providers.openai_empty_desc')}
+            />
+          ) : (
+            <div className={styles.openaiProviderList}>{sortedConfigs.map(renderProviderCard)}</div>
+          )}
+        </Card>
+      </div>
+      {typeof document !== 'undefined' && shouldRenderFloatingToolbar
+        ? createPortal(
+          <div
+            className={`card ${styles.openaiFloatingToolbar}`}
+            style={{
+              left: `${floatingToolbarStyle.left}px`,
+              top: `${floatingToolbarStyle.top}px`,
+              width: `${floatingToolbarStyle.width}px`,
+            }}
+          >
+            <div className="card-header">
+              <div className="title">{renderStaticTitle()}</div>
+              {renderToolbar(true)}
+            </div>
+          </div>,
+          document.body
+        )
+        : null}
     </>
   );
 }
diff --git a/src/components/providers/ProviderList.tsx b/src/components/providers/ProviderList.tsx
index 9d1a1f7..c6fd8cf 100644
--- a/src/components/providers/ProviderList.tsx
+++ b/src/components/providers/ProviderList.tsx
@@ -8,14 +8,18 @@ interface ProviderListProps<T> {
   loading: boolean;
   keyField: (item: T, index: number) => string;
   renderContent: (item: T, index: number) => ReactNode;
-  onEdit: (index: number) => void;
-  onDelete: (index: number) => void;
+  onEdit: (item: T, index: number) => void;
+  onDelete: (item: T, index: number) => void;
   emptyTitle: string;
   emptyDescription: string;
   deleteLabel?: string;
   actionsDisabled?: boolean;
   getRowDisabled?: (item: T, index: number) => boolean;
   renderExtraActions?: (item: T, index: number) => ReactNode;
+  listClassName?: string;
+  rowClassName?: string;
+  metaClassName?: string;
+  actionsClassName?: string;
 }
 
 export function ProviderList<T>({
@@ -31,6 +35,10 @@ export function ProviderList<T>({
   actionsDisabled = false,
   getRowDisabled,
   renderExtraActions,
+  listClassName,
+  rowClassName,
+  metaClassName,
+  actionsClassName,
 }: ProviderListProps<T>) {
   const { t } = useTranslation();
 
@@ -43,21 +51,21 @@ export function ProviderList<T>({
   }
 
   return (
-    <div className="item-list">
+    <div className={listClassName ?? 'item-list'}>
       {items.map((item, index) => {
         const rowDisabled = getRowDisabled ? getRowDisabled(item, index) : false;
         return (
           <div
             key={keyField(item, index)}
-            className="item-row"
+            className={rowClassName ?? 'item-row'}
             style={rowDisabled ? { opacity: 0.6 } : undefined}
           >
-            <div className="item-meta">{renderContent(item, index)}</div>
-            <div className="item-actions">
+            <div className={metaClassName ?? 'item-meta'}>{renderContent(item, index)}</div>
+            <div className={actionsClassName ?? 'item-actions'}>
               <Button
                 variant="secondary"
                 size="sm"
-                onClick={() => onEdit(index)}
+                onClick={() => onEdit(item, index)}
                 disabled={actionsDisabled}
               >
                 {t('common.edit')}
@@ -65,7 +73,7 @@ export function ProviderList<T>({
               <Button
                 variant="danger"
                 size="sm"
-                onClick={() => onDelete(index)}
+                onClick={() => onDelete(item, index)}
                 disabled={actionsDisabled}
               >
                 {deleteLabel || t('common.delete')}
diff --git a/src/components/providers/VertexSection/VertexSection.tsx b/src/components/providers/VertexSection/VertexSection.tsx
index 716d746..9061123 100644
--- a/src/components/providers/VertexSection/VertexSection.tsx
+++ b/src/components/providers/VertexSection/VertexSection.tsx
@@ -91,8 +91,8 @@ export function VertexSection({
           keyField={(item, index) => getProviderConfigKey(item, index)}
           emptyTitle={t('ai_providers.vertex_empty_title')}
           emptyDescription={t('ai_providers.vertex_empty_desc')}
-          onEdit={onEdit}
-          onDelete={onDelete}
+          onEdit={(_, index) => onEdit(index)}
+          onDelete={(_, index) => onDelete(index)}
           actionsDisabled={actionsDisabled}
           getRowDisabled={(item) => hasDisableAllModelsRule(item.excludedModels)}
           renderExtraActions={(item, index) => (
diff --git a/src/i18n/locales/en.json b/src/i18n/locales/en.json
index 173d5e7..a8acb93 100644
--- a/src/i18n/locales/en.json
+++ b/src/i18n/locales/en.json
@@ -402,6 +402,14 @@
     "openai_add_button": "Add Provider",
     "openai_empty_title": "No OpenAI Compatible Providers",
     "openai_empty_desc": "Click the button above to add the first provider",
+    "openai_filtered_empty_title": "No matching providers",
+    "openai_filtered_empty_desc": "No providers match the current model filter. Clear the filter and try again.",
+    "sort_by_name": "Sort by Name",
+    "sort_ascending": "Sort ascending",
+    "sort_by_priority": "Sort by Priority",
+    "sort_by_recent_success": "Sort by Recent Success",
+    "sort_descending": "Sort descending",
+    "openai_test_model": "Test Model",
     "openai_add_modal_title": "Add OpenAI Compatible Provider",
     "openai_add_modal_name_label": "Provider Name:",
     "openai_add_modal_name_placeholder": "e.g.: openrouter",
@@ -455,7 +463,10 @@
     "openai_test_all_hint": "Test connection status for all keys",
     "openai_test_all_success": "All {{count}} keys passed the test",
     "openai_test_all_failed": "All {{count}} keys failed the test",
-    "openai_test_all_partial": "Test completed: {{success}} passed, {{failed}} failed"
+    "openai_test_all_partial": "Test completed: {{success}} passed, {{failed}} failed",
+    "model_search_placeholder": "Filter by models...",
+    "model_search_clear": "Clear",
+    "model_select_all": "Select All"
   },
   "auth_files": {
     "title": "Auth Files Management",
diff --git a/src/i18n/locales/ru.json b/src/i18n/locales/ru.json
index 4e648d9..86df803 100644
--- a/src/i18n/locales/ru.json
+++ b/src/i18n/locales/ru.json
@@ -402,6 +402,11 @@
     "openai_add_button": "Добавить провайдера",
     "openai_empty_title": "Провайдеры OpenAI отсутствуют",
     "openai_empty_desc": "Нажмите кнопку выше, чтобы добавить первого провайдера",
+    "openai_filtered_empty_title": "Нет подходящих провайдеров",
+    "openai_filtered_empty_desc": "Ни один провайдер не соответствует текущему фильтру моделей. Очистите фильтр и попробуйте снова.",
+    "sort_by_name": "Сортировать по имени",
+    "sort_by_priority": "Сортировать по приоритету",
+    "sort_by_recent_success": "Сортировать по недавним успехам",
     "openai_add_modal_title": "Добавление совместимого с OpenAI провайдера",
     "openai_add_modal_name_label": "Имя провайдера:",
     "openai_add_modal_name_placeholder": "например: openrouter",
@@ -455,7 +460,10 @@
     "openai_test_all_hint": "Проверить состояние подключения для всех ключей",
     "openai_test_all_success": "Все {{count}} ключей прошли тест",
     "openai_test_all_failed": "Все {{count}} ключей не прошли тест",
-    "openai_test_all_partial": "Тест завершен: {{success}} прошло, {{failed}} не прошло"
+    "openai_test_all_partial": "Тест завершен: {{success}} прошло, {{failed}} не прошло",
+    "model_search_placeholder": "Фильтр по моделям...",
+    "model_search_clear": "Очистить",
+    "model_select_all": "Выбрать все"
   },
   "auth_files": {
     "title": "Управление файлами авторизации",
diff --git a/src/i18n/locales/zh-CN.json b/src/i18n/locales/zh-CN.json
index 9e7a592..b1ac355 100644
--- a/src/i18n/locales/zh-CN.json
+++ b/src/i18n/locales/zh-CN.json
@@ -402,6 +402,14 @@
     "openai_add_button": "添加提供商",
     "openai_empty_title": "暂无OpenAI兼容提供商",
     "openai_empty_desc": "点击上方按钮添加第一个提供商",
+    "openai_filtered_empty_title": "没有匹配的提供商",
+    "openai_filtered_empty_desc": "当前模型筛选下没有匹配的提供商，请清除筛选后重试。",
+    "sort_by_name": "按名称排序",
+    "sort_ascending": "升序排序",
+    "sort_by_priority": "按优先级排序",
+    "sort_by_recent_success": "按最近成功数排序",
+    "sort_descending": "降序排序",
+    "openai_test_model": "测试模型",
     "openai_add_modal_title": "添加OpenAI兼容提供商",
     "openai_add_modal_name_label": "提供商名称:",
     "openai_add_modal_name_placeholder": "例如: openrouter",
@@ -455,7 +463,10 @@
     "openai_test_all_hint": "测试所有密钥的连接状态",
     "openai_test_all_success": "所有 {{count}} 个密钥测试通过",
     "openai_test_all_failed": "所有 {{count}} 个密钥测试失败",
-    "openai_test_all_partial": "测试完成：{{success}} 个通过，{{failed}} 个失败"
+    "openai_test_all_partial": "测试完成：{{success}} 个通过，{{failed}} 个失败",
+    "model_search_placeholder": "按模型筛选...",
+    "model_search_clear": "清除",
+    "model_select_all": "全选"
   },
   "auth_files": {
     "title": "认证文件管理",
diff --git a/src/i18n/locales/zh-TW.json b/src/i18n/locales/zh-TW.json
index 4c2597f..203fd62 100644
--- a/src/i18n/locales/zh-TW.json
+++ b/src/i18n/locales/zh-TW.json
@@ -402,6 +402,14 @@
     "openai_add_button": "新增供應商",
     "openai_empty_title": "暫無 OpenAI 相容供應商",
     "openai_empty_desc": "點擊上方按鈕新增第一個供應商",
+    "openai_filtered_empty_title": "沒有匹配的供應商",
+    "openai_filtered_empty_desc": "目前模型篩選下沒有匹配的供應商，請清除篩選後再試一次。",
+    "sort_by_name": "依名稱排序",
+    "sort_ascending": "升冪排序",
+    "sort_by_priority": "依優先順序排序",
+    "sort_by_recent_success": "依最近成功排序",
+    "sort_descending": "降冪排序",
+    "openai_test_model": "測試模型",
     "openai_add_modal_title": "新增 OpenAI 相容供應商",
     "openai_add_modal_name_label": "供應商名稱:",
     "openai_add_modal_name_placeholder": "例如: openrouter",
diff --git a/src/pages/AiProvidersPage.module.scss b/src/pages/AiProvidersPage.module.scss
index c5a835e..46ed02a 100644
--- a/src/pages/AiProvidersPage.module.scss
+++ b/src/pages/AiProvidersPage.module.scss
@@ -52,16 +52,314 @@
   }
 }
 
-.providerList {
+.openaiProviderList {
   display: grid;
   gap: $spacing-md;
   grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
 
+  @media (min-width: 1400px) {
+    grid-template-columns: repeat(3, 1fr);
+  }
+
   @include mobile {
     grid-template-columns: 1fr;
   }
 }
 
+.openaiProviderCard {
+  border: 1px solid var(--border-color);
+  border-radius: $radius-md;
+  padding: $spacing-md;
+  background: var(--bg-primary);
+  display: flex;
+  flex-direction: column;
+  align-items: stretch;
+  gap: $spacing-sm;
+  min-height: 0;
+}
+
+.openaiProviderMeta {
+  display: flex;
+  flex-direction: column;
+  gap: 6px;
+  flex: 1;
+  min-width: 0;
+}
+
+.openaiProviderActions {
+  display: flex;
+  gap: $spacing-sm;
+  flex-wrap: wrap;
+  justify-content: flex-end;
+}
+
+.openaiProviderTitle {
+  font-weight: 700;
+  color: var(--text-primary);
+}
+
+// 排序控件
+.sortControls {
+  display: flex;
+  align-items: center;
+  gap: $spacing-xs;
+}
+
+.sortSelect {
+  padding: 6px 10px;
+  font-size: 13px;
+  font-weight: 500;
+  border: 1px solid var(--border-primary);
+  border-radius: 6px;
+  background: var(--bg-secondary);
+  color: var(--text-primary);
+  cursor: pointer;
+  transition: all 0.15s ease;
+
+  &:hover {
+    border-color: var(--primary-color);
+  }
+
+  &:focus {
+    outline: none;
+    border-color: var(--primary-color);
+    box-shadow: 0 0 0 2px var(--primary-color-alpha, rgba(59, 130, 246, 0.1));
+  }
+
+  &:disabled {
+    opacity: 0.5;
+    cursor: not-allowed;
+  }
+}
+
+// 排序方向按钮
+.sortDirectionButton {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  width: 32px;
+  height: 32px;
+  padding: 0;
+  font-size: 16px;
+  font-weight: 600;
+  border: 1px solid var(--border-primary);
+  border-radius: 6px;
+  background: var(--bg-secondary);
+  color: var(--text-primary);
+  cursor: pointer;
+  transition: all 0.15s ease;
+
+  &:hover {
+    border-color: var(--primary-color);
+    background: var(--bg-tertiary);
+  }
+
+  &:focus {
+    outline: none;
+    border-color: var(--primary-color);
+    box-shadow: 0 0 0 2px var(--primary-color-alpha, rgba(59, 130, 246, 0.1));
+  }
+
+  &:disabled {
+    opacity: 0.5;
+    cursor: not-allowed;
+  }
+}
+
+
+// 卡片头部操作区
+.cardHeaderActions {
+  display: flex;
+  align-items: center;
+  flex-wrap: wrap;
+  gap: $spacing-sm;
+}
+
+.openaiToolbarAnchorHidden {
+  visibility: hidden;
+  pointer-events: none;
+}
+
+.openaiFloatingToolbar {
+  position: fixed;
+  z-index: 20;
+  background: var(--bg-primary);
+  box-shadow: none;
+  overflow: visible;
+  padding: 0;
+}
+
+.openaiFloatingToolbar :global(.card-header) {
+  margin-bottom: 0;
+  padding: $spacing-sm $spacing-lg;
+  border-radius: 0;
+}
+
+
+// 模型多选下拉框
+.modelMultiSelectWrapper {
+  position: relative;
+}
+
+.modelSelectedTags {
+  display: flex;
+  align-items: center;
+  flex-wrap: wrap;
+  gap: 4px;
+  padding: 4px 8px;
+  border: 1px solid var(--border-primary);
+  border-radius: 6px;
+  background: var(--bg-secondary);
+  cursor: pointer;
+  transition: all 0.15s ease;
+  min-height: 32px;
+
+  &:hover {
+    border-color: var(--primary-color);
+    background: var(--bg-tertiary);
+  }
+}
+
+.modelSelectPlaceholder {
+  font-size: 13px;
+  color: var(--text-tertiary);
+  flex: 1;
+}
+
+.modelFilterTag {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  gap: 3px;
+  padding: 4px 8px 4px 8px;
+  background: var(--primary-color-alpha, rgba(59, 130, 246, 0.15));
+  color: var(--primary-color);
+  border-radius: 4px;
+  font-size: 11px;
+  font-weight: 500;
+  white-space: nowrap;
+  max-width: 150px;
+  position: relative;
+}
+
+.modelTagName {
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.modelTagRemove {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  width: 18px;
+  height: 18px;
+  padding: 0;
+  border: none;
+  background: var(--bg-secondary);
+  color: var(--text-primary);
+  font-size: 18px;
+  line-height: 1;
+  cursor: pointer;
+  border-radius: 50%;
+  transition: all 0.15s ease;
+  flex-shrink: 0;
+
+  &:hover {
+    background: var(--bg-tertiary);
+  }
+}
+
+.modelSelectArrow {
+  font-size: 10px;
+  color: var(--text-tertiary);
+  margin-left: 4px;
+}
+
+.modelDropdownList {
+  position: absolute;
+  top: calc(100% + 4px);
+  left: 0;
+  min-width: 280px;
+  max-height: 300px;
+  overflow-y: auto;
+  background: var(--bg-primary);
+  border: 1px solid var(--border-primary);
+  border-radius: $radius-md;
+  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
+  z-index: 1000;
+}
+
+.modelDropdownListAbove {
+  top: auto;
+  bottom: calc(100% + 4px);
+}
+
+.modelDropdownHeader {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: $spacing-xs;
+  padding: $spacing-xs $spacing-sm;
+  border-bottom: 1px solid var(--border-primary);
+  background: var(--bg-tertiary);
+}
+
+.modelDropdownSelectAll,
+.modelDropdownClear {
+  padding: 4px 8px;
+  font-size: 12px;
+  background: transparent;
+  border: none;
+  color: var(--primary-color);
+  cursor: pointer;
+  border-radius: 4px;
+  transition: all 0.15s ease;
+
+  &:hover {
+    background: var(--bg-secondary);
+  }
+}
+
+.modelFilterClearButton:global(.btn.btn-secondary) {
+  background: var(--primary-color-alpha, rgba(59, 130, 246, 0.15));
+  border-color: rgba(59, 130, 246, 0.24);
+  color: var(--primary-color);
+
+  &:hover {
+    background: rgba(59, 130, 246, 0.22);
+    border-color: rgba(59, 130, 246, 0.32);
+    color: var(--primary-color);
+  }
+}
+
+.modelDropdownItem {
+  display: flex;
+  align-items: center;
+  gap: $spacing-sm;
+  padding: $spacing-xs $spacing-sm;
+  cursor: pointer;
+  transition: background 0.15s ease;
+
+  &:hover {
+    background: var(--bg-secondary);
+  }
+
+  input[type="checkbox"] {
+    margin: 0;
+    cursor: pointer;
+  }
+
+  span {
+    flex: 1;
+    font-size: 13px;
+    color: var(--text-primary);
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+  }
+}
+
+
 // 成功失败次数统计样式
 .cardStats {
   display: flex;
@@ -173,6 +471,7 @@
   display: inline-flex;
   align-items: center;
   gap: 4px;
+  flex-wrap: wrap;
   background: var(--bg-quinary, #f8f9fa);
   color: var(--text-secondary);
   border: 1px solid var(--border-secondary);
@@ -190,11 +489,13 @@
 .modelName {
   font-weight: 600;
   color: var(--text-primary);
+  overflow-wrap: anywhere;
 }
 
 .modelAlias {
   color: var(--text-tertiary);
   font-style: italic;
+  overflow-wrap: anywhere;
 
   &::before {
     content: '→ ';
@@ -1045,3 +1346,151 @@
     color: #f1b0a6;
   }
 }
+
+// ============================================
+// Model Search Page Styles
+// ============================================
+
+.modelSearchContainer {
+  width: 100%;
+  max-width: 1400px;
+  margin: 0 auto;
+}
+
+.modelSearchContent {
+  display: flex;
+  flex-direction: column;
+  gap: $spacing-xl;
+  padding-bottom: calc(
+    var(--provider-nav-height, 60px) + 12px + env(safe-area-inset-bottom) + #{$spacing-md}
+  );
+}
+
+.modelSearchToolbar {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: $spacing-sm;
+  flex-wrap: wrap;
+  margin: $spacing-sm 0;
+}
+
+.modelSearchToolbarActions {
+  display: flex;
+  align-items: center;
+  gap: $spacing-xs;
+  flex-wrap: wrap;
+}
+
+.modelSearchSelectionSummary {
+  font-size: 13px;
+  color: var(--text-tertiary);
+  line-height: 1.4;
+}
+
+.modelSearchList {
+  display: flex;
+  flex-direction: column;
+  gap: $spacing-lg;
+  margin-top: $spacing-md;
+}
+
+.modelSearchGroup {
+  border: 1px solid var(--border-primary);
+  border-radius: $radius-md;
+  overflow: hidden;
+  background: var(--bg-secondary);
+}
+
+.modelSearchGroupHeader {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: $spacing-sm;
+  padding: $spacing-md;
+  background: var(--bg-tertiary);
+  border-bottom: 1px solid var(--border-primary);
+
+  h3 {
+    margin: 0;
+    font-size: 15px;
+    font-weight: 600;
+    color: var(--text-primary);
+  }
+}
+
+.modelSearchGroupCount {
+  font-size: 13px;
+  color: var(--text-tertiary);
+  font-weight: 500;
+}
+
+.modelSearchGroupList {
+  display: flex;
+  flex-direction: column;
+  gap: $spacing-xs;
+  padding: $spacing-sm;
+}
+
+.modelSearchRow {
+  display: flex;
+  align-items: flex-start;
+  gap: $spacing-sm;
+  width: 100%;
+  padding: $spacing-sm $spacing-md;
+  border: 1px solid transparent;
+  border-radius: $radius-sm;
+  background: var(--bg-primary);
+  cursor: pointer;
+  transition:
+    background 0.15s ease,
+    border-color 0.15s ease;
+
+  input[type='checkbox'] {
+    margin-top: 2px;
+    cursor: pointer;
+  }
+
+  &:hover {
+    border-color: var(--primary-color);
+    background: var(--bg-secondary);
+  }
+}
+
+.modelSearchRowSelected {
+  border-color: var(--primary-color);
+  background: var(--bg-tertiary);
+}
+
+.modelSearchSelectionLabel {
+  flex: 1;
+  min-width: 0;
+}
+
+.modelSearchMeta {
+  display: flex;
+  flex-direction: column;
+  gap: 4px;
+}
+
+.modelSearchName {
+  font-weight: 600;
+  color: var(--text-primary);
+  word-break: break-all;
+}
+
+.modelSearchAlias {
+  margin-left: 6px;
+  color: var(--text-tertiary);
+  font-style: italic;
+
+  &::before {
+    content: '→ ';
+  }
+}
+
+.modelSearchDesc {
+  font-size: 12px;
+  color: var(--text-secondary);
+  line-height: 1.4;
+}
diff --git a/src/styles/layout.scss b/src/styles/layout.scss
index 7c38ab0..c2f3494 100644
--- a/src/styles/layout.scss
+++ b/src/styles/layout.scss
@@ -31,7 +31,7 @@
   border-bottom: 1px solid var(--border-color);
   position: sticky;
   top: 0;
-  z-index: 10;
+  z-index: $z-dropdown + 1;
   width: 100%;
 
   @media (max-width: $breakpoint-mobile) {