diff --git a/src/App.tsx b/src/App.tsx
index ef4f3d7..d7afd9a 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -356,10 +356,10 @@ export default function App() {
 
   // Filtered modal vehicles based on modal filters
   const filteredModalVehicles = modalVehicles.filter((v) => {
-    const mp = !modalFilters.plateNumber || v.plateNumber.toLowerCase().includes(modalFilters.plateNumber.toLowerCase()) || v.vin.toLowerCase().includes(modalFilters.plateNumber.toLowerCase());
-    const mm = !modalFilters.model || v.model.toLowerCase().includes(modalFilters.model.toLowerCase());
-    const mb = !modalFilters.brand || (v.brandLabel || '').toLowerCase().includes(modalFilters.brand.toLowerCase());
-    const ml = !modalFilters.location || v.location.toLowerCase().includes(modalFilters.location.toLowerCase());
+    const mp = !modalFilters.plateNumber || (v.plateNumber || v.vin || '').toLowerCase().includes(modalFilters.plateNumber.toLowerCase());
+    const mm = !modalFilters.model || v.model === modalFilters.model;
+    const mb = !modalFilters.brand || v.brandLabel === modalFilters.brand;
+    const ml = !modalFilters.location || v.location === modalFilters.location;
     return mp && mm && mb && ml;
   });
 
@@ -936,75 +936,38 @@ export default function App() {
                         <div className="space-y-3 text-left">
                           <div>
                             <label className="text-[10px] text-slate-400 block mb-1">区域</label>
-                            <input
-                              list="dl-inv-region"
-                              type="text"
-                              placeholder="搜索或选择..."
-                              value={inventoryFilters.region}
-                              onChange={(e) => setInventoryFilters({...inventoryFilters, region: e.target.value})}
-                              className="w-full text-xs bg-white border border-slate-200 rounded-lg px-2 py-1.5 focus:outline-none focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 transition-all shadow-sm"
-                            />
-                            <datalist id="dl-inv-region">
-                              {uniqueInventoryRegions.map(r => <option key={r} value={r} />)}
-                            </datalist>
+                            <select value={inventoryFilters.region} onChange={(e) => setInventoryFilters({...inventoryFilters, region: e.target.value})} className="w-full text-xs bg-white border border-slate-200 rounded-lg px-2 py-1.5 focus:outline-none focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 transition-all shadow-sm cursor-pointer">
+                              <option value="">全部区域</option>
+                              {uniqueInventoryRegions.map(r => <option key={r} value={r}>{r}</option>)}
+                            </select>
                           </div>
                           <div>
                             <label className="text-[10px] text-slate-400 block mb-1">城市</label>
-                            <input
-                              list="dl-inv-city"
-                              type="text"
-                              placeholder="搜索或选择..."
-                              value={inventoryFilters.city}
-                              onChange={(e) => setInventoryFilters({...inventoryFilters, city: e.target.value})}
-                              className="w-full text-xs bg-white border border-slate-200 rounded-lg px-2 py-1.5 focus:outline-none focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 transition-all shadow-sm"
-                            />
-                            <datalist id="dl-inv-city">
-                              {uniqueInventoryCities.map(c => <option key={c} value={c} />)}
-                            </datalist>
+                            <select value={inventoryFilters.city} onChange={(e) => setInventoryFilters({...inventoryFilters, city: e.target.value})} className="w-full text-xs bg-white border border-slate-200 rounded-lg px-2 py-1.5 focus:outline-none focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 transition-all shadow-sm cursor-pointer">
+                              <option value="">全部城市</option>
+                              {uniqueInventoryCities.map(c => <option key={c} value={c}>{c}</option>)}
+                            </select>
                           </div>
                           <div>
                             <label className="text-[10px] text-slate-400 block mb-1">品牌</label>
-                            <input
-                              list="dl-inv-brand"
-                              type="text"
-                              placeholder="搜索或选择..."
-                              value={inventoryFilters.brand}
-                              onChange={(e) => setInventoryFilters({...inventoryFilters, brand: e.target.value})}
-                              className="w-full text-xs bg-white border border-slate-200 rounded-lg px-2 py-1.5 focus:outline-none focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 transition-all shadow-sm"
-                            />
-                            <datalist id="dl-inv-brand">
-                              {uniqueInventoryBrands.map(b => <option key={b} value={b} />)}
-                            </datalist>
+                            <select value={inventoryFilters.brand} onChange={(e) => setInventoryFilters({...inventoryFilters, brand: e.target.value})} className="w-full text-xs bg-white border border-slate-200 rounded-lg px-2 py-1.5 focus:outline-none focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 transition-all shadow-sm cursor-pointer">
+                              <option value="">全部品牌</option>
+                              {uniqueInventoryBrands.map(b => <option key={b} value={b}>{b}</option>)}
+                            </select>
                           </div>
                           <div>
                             <label className="text-[10px] text-slate-400 block mb-1">批次</label>
-                            <input
-                              list="dl-inv-batch"
-                              type="text"
-                              placeholder="搜索或选择..."
-                              value={inventoryFilters.batch}
-                              onChange={(e) => setInventoryFilters({...inventoryFilters, batch: e.target.value})}
-                              className="w-full text-xs bg-white border border-slate-200 rounded-lg px-2 py-1.5 focus:outline-none focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 transition-all shadow-sm"
-                            />
-                            <datalist id="dl-inv-batch">
-                              {uniqueInventoryBatches.map(b => <option key={b} value={b} />)}
-                            </datalist>
+                            <select value={inventoryFilters.batch} onChange={(e) => setInventoryFilters({...inventoryFilters, batch: e.target.value})} className="w-full text-xs bg-white border border-slate-200 rounded-lg px-2 py-1.5 focus:outline-none focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 transition-all shadow-sm cursor-pointer">
+                              <option value="">全部批次</option>
+                              {uniqueInventoryBatches.map(b => <option key={b} value={b}>{b}</option>)}
+                            </select>
                           </div>
                           <div>
                             <label className="text-[10px] text-slate-400 block mb-1">车型名称</label>
                             <div className="relative">
                               <Search size={12} className="absolute left-2 top-1/2 -translate-y-1/2 text-slate-400" />
-                              <input
-                                list="dl-inv-model"
-                                type="text"
-                                placeholder="搜索车型..."
-                                value={inventoryFilters.model}
-                                onChange={(e) => setInventoryFilters({...inventoryFilters, model: e.target.value})}
-                                className="w-full text-xs bg-white border border-slate-200 rounded-lg pl-7 pr-2 py-1.5 focus:outline-none focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 transition-all shadow-sm"
-                              />
-                              <datalist id="dl-inv-model">
-                                {uniqueInventoryModels.map(m => <option key={m} value={m} />)}
-                              </datalist>
+                              <input type="text" list="dl-inv-model" placeholder="搜索车型..." value={inventoryFilters.model} onChange={(e) => setInventoryFilters({...inventoryFilters, model: e.target.value})} className="w-full text-xs bg-white border border-slate-200 rounded-lg pl-7 pr-2 py-1.5 focus:outline-none focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 transition-all shadow-sm" />
+                              <datalist id="dl-inv-model">{uniqueInventoryModels.map(m => <option key={m} value={m} />)}</datalist>
                             </div>
                           </div>
                         </div>
@@ -1353,21 +1316,18 @@ export default function App() {
               <div className="flex-1 max-w-[240px]">
                 {deptViewMode === 'manager' && (
                   <div className="relative">
-                    <Filter className="absolute left-2.5 top-1/2 -translate-y-1/2 text-gray-400" size={14} />
-                    <input
-                      list="dl-dept-manager"
-                      type="text"
-                      placeholder="搜索或选择..."
-                      value={selectedManager === 'All' ? '' : selectedManager}
-                      onChange={(e) => setSelectedManager(e.target.value || 'All')}
-                      className="w-full pl-9 pr-8 py-1.5 bg-white border border-gray-200 rounded-lg text-xs focus:outline-none focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 transition-all shadow-sm font-bold text-gray-700"
-                    />
-                    <datalist id="dl-dept-manager">
-                      <option value="All">所有业务负责人</option>
+                    <Filter className="absolute left-2.5 top-1/2 -translate-y-1/2 text-gray-400 pointer-events-none" size={14} />
+                    <select
+                      value={selectedManager}
+                      onChange={(e) => setSelectedManager(e.target.value)}
+                      className="w-full pl-9 pr-8 py-1.5 bg-white border border-gray-200 rounded-lg text-xs focus:outline-none focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 transition-all shadow-sm appearance-none cursor-pointer font-bold text-gray-700"
+                    >
+                      <option value="All">所有业务员</option>
                       {allManagersList.map(m => (
-                        <option key={m} value={m} />
+                        <option key={m} value={m}>{m}</option>
                       ))}
-                    </datalist>
+                    </select>
+                    <ChevronDown className="absolute right-2.5 top-1/2 -translate-y-1/2 text-gray-400 pointer-events-none" size={14} />
                   </div>
                 )}
               </div>
@@ -1923,48 +1883,25 @@ export default function App() {
                           <label className="text-[10px] font-bold text-gray-400 uppercase tracking-wider">客户名称</label>
                           <div className="relative">
                             <Search className="absolute left-3 top-1/2 -translate-y-1/2 text-gray-400" size={14} />
-                            <input
-                              list="dl-region-customer"
-                              type="text"
-                              placeholder="搜索客户名称..."
-                              className="w-full bg-gray-50 border border-gray-200 rounded-lg py-2 pl-9 pr-3 text-xs focus:ring-2 focus:ring-slate-500/20 focus:border-slate-500 outline-none transition-all"
-                              value={regionFilters.customer}
-                              onChange={(e) => setRegionFilters(prev => ({ ...prev, customer: e.target.value }))}
-                            />
-                            <datalist id="dl-region-customer">
-                              {uniqueCustomerNames.map(c => <option key={c} value={c} />)}
-                            </datalist>
+                            <input type="text" list="dl-region-customer" placeholder="搜索客户名称..." className="w-full bg-white border border-gray-200 rounded-lg py-2 pl-9 pr-3 text-xs focus:ring-2 focus:ring-slate-500/20 focus:border-slate-500 outline-none transition-all shadow-sm" value={regionFilters.customer} onChange={(e) => setRegionFilters(prev => ({ ...prev, customer: e.target.value }))} />
+                            <datalist id="dl-region-customer">{uniqueCustomerNames.map(c => <option key={c} value={c} />)}</datalist>
                           </div>
                         </div>
 
                         <div className="grid grid-cols-2 gap-3">
                           <div className="space-y-1.5">
                             <label className="text-[10px] font-bold text-gray-400 uppercase tracking-wider">区域</label>
-                            <input
-                              list="dl-region-region"
-                              type="text"
-                              placeholder="搜索或选择..."
-                              className="w-full bg-gray-50 border border-gray-200 rounded-lg py-2 px-2 text-xs focus:ring-2 focus:ring-slate-500/20 focus:border-slate-500 outline-none transition-all"
-                              value={regionFilters.region}
-                              onChange={(e) => setRegionFilters(prev => ({ ...prev, region: e.target.value }))}
-                            />
-                            <datalist id="dl-region-region">
-                              {uniqueRegions.map(r => <option key={r} value={r} />)}
-                            </datalist>
+                            <select className="w-full bg-white border border-gray-200 rounded-lg py-2 px-2 text-xs focus:ring-2 focus:ring-slate-500/20 focus:border-slate-500 outline-none transition-all cursor-pointer shadow-sm" value={regionFilters.region} onChange={(e) => setRegionFilters(prev => ({ ...prev, region: e.target.value }))}>
+                              <option value="">所有区域</option>
+                              {uniqueRegions.map(r => <option key={r} value={r}>{r}</option>)}
+                            </select>
                           </div>
                           <div className="space-y-1.5">
                             <label className="text-[10px] font-bold text-gray-400 uppercase tracking-wider">城市</label>
-                            <input
-                              list="dl-region-city"
-                              type="text"
-                              placeholder="搜索或选择..."
-                              className="w-full bg-gray-50 border border-gray-200 rounded-lg py-2 px-2 text-xs focus:ring-2 focus:ring-slate-500/20 focus:border-slate-500 outline-none transition-all"
-                              value={regionFilters.city}
-                              onChange={(e) => setRegionFilters(prev => ({ ...prev, city: e.target.value }))}
-                            />
-                            <datalist id="dl-region-city">
-                              {uniqueCities.map(c => <option key={c} value={c} />)}
-                            </datalist>
+                            <select className="w-full bg-white border border-gray-200 rounded-lg py-2 px-2 text-xs focus:ring-2 focus:ring-slate-500/20 focus:border-slate-500 outline-none transition-all cursor-pointer shadow-sm" value={regionFilters.city} onChange={(e) => setRegionFilters(prev => ({ ...prev, city: e.target.value }))}>
+                              <option value="">所有城市</option>
+                              {uniqueCities.map(c => <option key={c} value={c}>{c}</option>)}
+                            </select>
                           </div>
                         </div>
                       </div>
@@ -2267,17 +2204,8 @@ export default function App() {
                           <label className="text-[10px] font-bold text-gray-400 uppercase tracking-wider">客户名称</label>
                           <div className="relative">
                             <Search className="absolute left-2 top-1/2 -translate-y-1/2 text-gray-400" size={12} />
-                            <input
-                              list="dl-cust-customer"
-                              type="text"
-                              placeholder="搜索客户..."
-                              className="w-full bg-gray-50 border border-gray-200 rounded-lg py-2 pl-8 pr-2 text-xs focus:ring-2 focus:ring-emerald-500/20 focus:border-emerald-500 outline-none transition-all"
-                              value={customerFilters.customer}
-                              onChange={(e) => setCustomerFilters(prev => ({ ...prev, customer: e.target.value }))}
-                            />
-                            <datalist id="dl-cust-customer">
-                              {uniqueCustomerNames.map(c => <option key={c} value={c} />)}
-                            </datalist>
+                            <input type="text" list="dl-cust-customer" placeholder="搜索客户..." className="w-full bg-white border border-gray-200 rounded-lg py-2 pl-8 pr-2 text-xs focus:ring-2 focus:ring-emerald-500/20 focus:border-emerald-500 outline-none transition-all shadow-sm" value={customerFilters.customer} onChange={(e) => setCustomerFilters(prev => ({ ...prev, customer: e.target.value }))} />
+                            <datalist id="dl-cust-customer">{uniqueCustomerNames.map(c => <option key={c} value={c} />)}</datalist>
                           </div>
                         </div>
 
@@ -2285,62 +2213,32 @@ export default function App() {
                           <label className="text-[10px] font-bold text-gray-400 uppercase tracking-wider">业务负责人</label>
                           <div className="relative">
                             <Search className="absolute left-2 top-1/2 -translate-y-1/2 text-gray-400" size={12} />
-                            <input
-                              list="dl-cust-manager"
-                              type="text"
-                              placeholder="搜索负责人..."
-                              className="w-full bg-gray-50 border border-gray-200 rounded-lg py-2 pl-8 pr-2 text-xs focus:ring-2 focus:ring-emerald-500/20 focus:border-emerald-500 outline-none transition-all"
-                              value={customerFilters.manager}
-                              onChange={(e) => setCustomerFilters(prev => ({ ...prev, manager: e.target.value }))}
-                            />
-                            <datalist id="dl-cust-manager">
-                              {uniqueCustomerManagers.map(m => <option key={m} value={m} />)}
-                            </datalist>
+                            <input type="text" list="dl-cust-manager" placeholder="搜索负责人..." className="w-full bg-white border border-gray-200 rounded-lg py-2 pl-8 pr-2 text-xs focus:ring-2 focus:ring-emerald-500/20 focus:border-emerald-500 outline-none transition-all shadow-sm" value={customerFilters.manager} onChange={(e) => setCustomerFilters(prev => ({ ...prev, manager: e.target.value }))} />
+                            <datalist id="dl-cust-manager">{uniqueCustomerManagers.map(m => <option key={m} value={m} />)}</datalist>
                           </div>
                         </div>
 
                         <div className="grid grid-cols-2 gap-3">
                           <div className="space-y-1.5">
                             <label className="text-[10px] font-bold text-gray-400 uppercase tracking-wider">品牌</label>
-                            <input
-                              list="dl-cust-brand"
-                              type="text"
-                              placeholder="搜索或选择..."
-                              className="w-full bg-gray-50 border border-gray-200 rounded-lg py-2 px-2 text-xs focus:ring-2 focus:ring-emerald-500/20 focus:border-emerald-500 outline-none transition-all"
-                              value={customerFilters.brand}
-                              onChange={(e) => setCustomerFilters(prev => ({ ...prev, brand: e.target.value }))}
-                            />
-                            <datalist id="dl-cust-brand">
-                              {uniqueBrands.map(b => <option key={b} value={b} />)}
-                            </datalist>
+                            <select className="w-full bg-white border border-gray-200 rounded-lg py-2 px-2 text-xs focus:ring-2 focus:ring-emerald-500/20 focus:border-emerald-500 outline-none transition-all cursor-pointer shadow-sm" value={customerFilters.brand} onChange={(e) => setCustomerFilters(prev => ({ ...prev, brand: e.target.value }))}>
+                              <option value="">所有品牌</option>
+                              {uniqueBrands.map(b => <option key={b} value={b}>{b}</option>)}
+                            </select>
                           </div>
                           <div className="space-y-1.5">
                             <label className="text-[10px] font-bold text-gray-400 uppercase tracking-wider">部门</label>
-                            <input
-                              list="dl-cust-dept"
-                              type="text"
-                              placeholder="搜索或选择..."
-                              className="w-full bg-gray-50 border border-gray-200 rounded-lg py-2 px-2 text-xs focus:ring-2 focus:ring-emerald-500/20 focus:border-emerald-500 outline-none transition-all"
-                              value={customerFilters.department}
-                              onChange={(e) => setCustomerFilters(prev => ({ ...prev, department: e.target.value }))}
-                            />
-                            <datalist id="dl-cust-dept">
-                              {uniqueDepts.map(d => <option key={d} value={d} />)}
-                            </datalist>
+                            <select className="w-full bg-white border border-gray-200 rounded-lg py-2 px-2 text-xs focus:ring-2 focus:ring-emerald-500/20 focus:border-emerald-500 outline-none transition-all cursor-pointer shadow-sm" value={customerFilters.department} onChange={(e) => setCustomerFilters(prev => ({ ...prev, department: e.target.value }))}>
+                              <option value="">所有部门</option>
+                              {uniqueDepts.map(d => <option key={d} value={d}>{d}</option>)}
+                            </select>
                           </div>
                           <div className="space-y-1.5">
                             <label className="text-[10px] font-bold text-gray-400 uppercase tracking-wider">区域</label>
-                            <input
-                              list="dl-cust-region"
-                              type="text"
-                              placeholder="搜索或选择..."
-                              className="w-full bg-gray-50 border border-gray-200 rounded-lg py-2 px-2 text-xs focus:ring-2 focus:ring-emerald-500/20 focus:border-emerald-500 outline-none transition-all"
-                              value={customerFilters.region}
-                              onChange={(e) => setCustomerFilters(prev => ({ ...prev, region: e.target.value }))}
-                            />
-                            <datalist id="dl-cust-region">
-                              {uniqueRegions.map(r => <option key={r} value={r} />)}
-                            </datalist>
+                            <select className="w-full bg-white border border-gray-200 rounded-lg py-2 px-2 text-xs focus:ring-2 focus:ring-emerald-500/20 focus:border-emerald-500 outline-none transition-all cursor-pointer shadow-sm" value={customerFilters.region} onChange={(e) => setCustomerFilters(prev => ({ ...prev, region: e.target.value }))}>
+                              <option value="">所有区域</option>
+                              {uniqueRegions.map(r => <option key={r} value={r}>{r}</option>)}
+                            </select>
                           </div>
                         </div>
                       </div>
@@ -2551,7 +2449,7 @@ export default function App() {
               <motion.div
                 initial={{ scale: 0.9, opacity: 0, y: 20 }}
                 animate={{ scale: 1, opacity: 1, y: 0 }}
-                className="bg-white rounded-xl shadow-2xl w-full max-w-[95vw] lg:max-w-6xl overflow-hidden flex flex-col max-h-[85vh] sm:max-h-[90vh] min-h-[40vh]"
+                className={`bg-white rounded-xl shadow-2xl w-full max-w-[95vw] ${showPlateNumbers.source === 'customer' ? 'lg:max-w-6xl' : 'lg:max-w-4xl'} overflow-hidden flex flex-col max-h-[85vh] sm:max-h-[90vh] min-h-[40vh]`}
               >
                 <div className="p-4 border-b border-gray-100 flex justify-between items-center bg-slate-800 text-white shrink-0">
                   <div>
@@ -2593,13 +2491,7 @@ export default function App() {
                       {!isModalFilterExpanded && (
                         <div className="relative w-40 sm:w-64" onClick={(e) => e.stopPropagation()}>
                           <Search size={12} className="absolute left-2 top-1/2 -translate-y-1/2 text-gray-400" />
-                          <input
-                            type="text"
-                            value={modalFilters.plateNumber}
-                            onChange={(e) => setModalFilters({...modalFilters, plateNumber: e.target.value})}
-                            placeholder="快速搜索车牌..."
-                            className="w-full text-[11px] pl-7 pr-2 py-1 bg-white border border-gray-200 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 transition-all shadow-sm"
-                          />
+                          <input type="text" value={modalFilters.plateNumber} onChange={(e) => setModalFilters({...modalFilters, plateNumber: e.target.value})} placeholder="快速搜索车牌..." className="w-full text-[11px] pl-7 pr-2 py-1 bg-white border border-gray-200 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 transition-all shadow-sm" />
                         </div>
                       )}
                       <motion.div
@@ -2624,69 +2516,30 @@ export default function App() {
                             <label className="block text-[10px] text-gray-500 font-medium">车牌号码</label>
                             <div className="relative">
                               <Search size={12} className="absolute left-2 top-1/2 -translate-y-1/2 text-gray-400" />
-                              <input
-                                list="dl-modal-plate"
-                                type="text"
-                                value={modalFilters.plateNumber}
-                                onChange={(e) => setModalFilters({...modalFilters, plateNumber: e.target.value})}
-                                placeholder="搜索车牌..."
-                                className="w-full text-[11px] pl-7 pr-2 py-1.5 bg-white border border-gray-200 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 transition-all shadow-sm"
-                              />
-                              <datalist id="dl-modal-plate">
-                                {uniqueModalPlates.map(p => <option key={p} value={p} />)}
-                              </datalist>
+                              <input type="text" list="dl-modal-plate" placeholder="搜索车牌..." value={modalFilters.plateNumber} onChange={(e) => setModalFilters({...modalFilters, plateNumber: e.target.value})} className="w-full text-[11px] pl-7 pr-2 py-1.5 bg-white border border-gray-200 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 transition-all shadow-sm" />
+                              <datalist id="dl-modal-plate">{uniqueModalPlates.map(p => <option key={p} value={p} />)}</datalist>
                             </div>
                           </div>
                           <div className="space-y-1">
                             <label className="block text-[10px] text-gray-500 font-medium">车型型号</label>
-                            <div className="relative">
-                              <Search size={12} className="absolute left-2 top-1/2 -translate-y-1/2 text-gray-400" />
-                              <input
-                                list="dl-modal-model"
-                                type="text"
-                                value={modalFilters.model}
-                                onChange={(e) => setModalFilters({...modalFilters, model: e.target.value})}
-                                placeholder="搜索车型..."
-                                className="w-full text-[11px] pl-7 pr-2 py-1.5 bg-white border border-gray-200 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 transition-all shadow-sm"
-                              />
-                              <datalist id="dl-modal-model">
-                                {uniqueModalModels.map(m => <option key={m} value={m} />)}
-                              </datalist>
-                            </div>
+                            <select value={modalFilters.model} onChange={(e) => setModalFilters({...modalFilters, model: e.target.value})} className="w-full text-[11px] px-2 py-1.5 bg-white border border-gray-200 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 transition-all shadow-sm cursor-pointer">
+                              <option value="">全部车型</option>
+                              {uniqueModalModels.map(m => <option key={m} value={m}>{m}</option>)}
+                            </select>
                           </div>
                           <div className="space-y-1">
                             <label className="block text-[10px] text-gray-500 font-medium">品牌名称</label>
-                            <div className="relative">
-                              <Search size={12} className="absolute left-2 top-1/2 -translate-y-1/2 text-gray-400" />
-                              <input
-                                list="dl-modal-brand"
-                                type="text"
-                                value={modalFilters.brand}
-                                onChange={(e) => setModalFilters({...modalFilters, brand: e.target.value})}
-                                placeholder="搜索品牌..."
-                                className="w-full text-[11px] pl-7 pr-2 py-1.5 bg-white border border-gray-200 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 transition-all shadow-sm"
-                              />
-                              <datalist id="dl-modal-brand">
-                                {uniqueModalBrands.map(b => <option key={b} value={b} />)}
-                              </datalist>
-                            </div>
+                            <select value={modalFilters.brand} onChange={(e) => setModalFilters({...modalFilters, brand: e.target.value})} className="w-full text-[11px] px-2 py-1.5 bg-white border border-gray-200 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 transition-all shadow-sm cursor-pointer">
+                              <option value="">全部品牌</option>
+                              {uniqueModalBrands.map(b => <option key={b} value={b}>{b}</option>)}
+                            </select>
                           </div>
                           <div className="space-y-1">
                             <label className="block text-[10px] text-gray-500 font-medium">运营所在地</label>
-                            <div className="relative">
-                              <Search size={12} className="absolute left-2 top-1/2 -translate-y-1/2 text-gray-400" />
-                              <input
-                                list="dl-modal-location"
-                                type="text"
-                                value={modalFilters.location}
-                                onChange={(e) => setModalFilters({...modalFilters, location: e.target.value})}
-                                placeholder="搜索所在地..."
-                                className="w-full text-[11px] pl-7 pr-2 py-1.5 bg-white border border-gray-200 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 transition-all shadow-sm"
-                              />
-                              <datalist id="dl-modal-location">
-                                {uniqueModalLocations.map(l => <option key={l} value={l} />)}
-                              </datalist>
-                            </div>
+                            <select value={modalFilters.location} onChange={(e) => setModalFilters({...modalFilters, location: e.target.value})} className="w-full text-[11px] px-2 py-1.5 bg-white border border-gray-200 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500/20 focus:border-blue-500 transition-all shadow-sm cursor-pointer">
+                              <option value="">全部地区</option>
+                              {uniqueModalLocations.map(l => <option key={l} value={l}>{l}</option>)}
+                            </select>
                           </div>
                         </div>
                         <div className="flex justify-end pb-2">
@@ -2733,7 +2586,8 @@ export default function App() {
                       <table className="min-w-full w-max text-left border-collapse">
                         <thead className="sticky top-0 z-20 shadow-sm">
                           <tr className="bg-slate-700 text-white text-[10px] uppercase tracking-wider whitespace-nowrap">
-                                <th className="p-2 font-semibold border-r border-slate-600 sticky left-0 top-0 bg-slate-700 z-30 w-10 text-center">月</th>
+                            {showPlateNumbers.source === 'customer' ? (
+                              <>
                                 <th className="p-2 font-semibold border-r border-slate-600 w-24">业务部门</th>
                                 <th className="p-2 font-semibold border-r border-slate-600 w-24">业务负责人</th>
                                 <th className="p-2 font-semibold border-r border-slate-600 w-16">品牌</th>
@@ -2747,12 +2601,25 @@ export default function App() {
                                 <th className="p-2 font-semibold border-r border-slate-600 w-24">运营区域</th>
                                 <th className="p-2 font-semibold border-r border-slate-600 w-20 text-center">离到期</th>
                                 <th className="p-2 font-semibold w-48">签约公司</th>
+                              </>
+                            ) : (
+                              <>
+                                <th className="p-2 font-semibold border-r border-slate-600 text-center">车牌</th>
+                                {showPlateNumbers.source !== 'asset' && showPlateNumbers.category !== 'Inventory' && (
+                                  <th className="p-2 font-semibold border-r border-slate-600 text-center">客户名称</th>
+                                )}
+                                <th className="p-2 font-semibold border-r border-slate-600 text-center">品牌</th>
+                                <th className="p-2 font-semibold border-r border-slate-600 text-center">车型</th>
+                                <th className="p-2 font-semibold text-center">所在地</th>
+                              </>
+                            )}
                           </tr>
                         </thead>
                         <tbody className="text-[11px]">
                           {filteredModalVehicles.map((v, idx) => (
                             <tr key={v.id} className={`border-b border-gray-100 hover:bg-blue-50/50 transition-colors whitespace-nowrap ${idx % 2 === 0 ? 'bg-white' : 'bg-gray-50/30'}`}>
-                                  <td className="p-2 border-r border-gray-100 text-center sticky left-0 bg-inherit z-10 font-bold text-gray-400">{v.contractNo || '—'}</td>
+                              {showPlateNumbers.source === 'customer' ? (
+                                <>
                                   <td className="p-2 border-r border-gray-100 text-gray-600">{v.departmentName || '—'}</td>
                                   <td className="p-2 border-r border-gray-100 font-medium text-gray-700">{v.customerManager || '—'}</td>
                                   <td className="p-2 border-r border-gray-100 text-gray-600">{v.brandLabel || '—'}</td>
@@ -2773,11 +2640,23 @@ export default function App() {
                                   <td className="p-2 border-r border-gray-100 text-gray-600">{v.location}</td>
                                   <td className="p-2 border-r border-gray-100 text-center font-bold text-orange-600">{'—'}</td>
                                   <td className="p-2 text-gray-500 text-[10px]">{v.orgName || '—'}</td>
+                                </>
+                              ) : (
+                                <>
+                                  <td className={`p-2 border-r border-gray-100 font-mono font-bold text-center ${v.plateNumber ? 'text-blue-700' : 'text-orange-500'}`}>{v.plateNumber || v.vin || '—'}</td>
+                                  {showPlateNumbers.source !== 'asset' && showPlateNumbers.category !== 'Inventory' && (
+                                    <td className="p-2 border-r border-gray-100 font-bold text-gray-800 text-center">{v.customerName || '—'}</td>
+                                  )}
+                                  <td className="p-2 border-r border-gray-100 text-gray-600 text-center">{v.brandLabel || '—'}</td>
+                                  <td className="p-2 border-r border-gray-100 text-gray-600 text-center">{v.type}</td>
+                                  <td className="p-2 text-gray-600 text-center">{v.location}</td>
+                                </>
+                              )}
                             </tr>
                           ))}
                           {filteredModalVehicles.length === 0 && (
                             <tr>
-                              <td colSpan={14} className="p-8 text-center text-gray-400 italic">
+                              <td colSpan={showPlateNumbers.source === 'customer' ? 13 : ((showPlateNumbers.source === 'asset' || showPlateNumbers.category === 'Inventory') ? 4 : 5)} className="p-8 text-center text-gray-400 italic">
                                 暂无符合条件的车辆数据
                               </td>
                             </tr>