diff --git a/client/lib/providers/finance_provider.dart b/client/lib/providers/finance_provider.dart
index b1720fd..add373b 100644
--- a/client/lib/providers/finance_provider.dart
+++ b/client/lib/providers/finance_provider.dart
@@ -22,6 +22,7 @@ class FinanceListNotifier extends AsyncNotifier<PageResult<FinanceRecord>> {
   String _month = '';
   String _startDate = '';
   String _endDate = '';
+  int? _partnerId;
 
   @override
   Future<PageResult<FinanceRecord>> build() {
@@ -35,6 +36,7 @@ class FinanceListNotifier extends AsyncNotifier<PageResult<FinanceRecord>> {
           month: _month.isEmpty ? null : _month,
           startDate: _startDate.isEmpty ? null : _startDate,
           endDate: _endDate.isEmpty ? null : _endDate,
+          partnerId: _partnerId,
           page: _page,
           pageSize: _pageSize,
         );
@@ -46,6 +48,13 @@ class FinanceListNotifier extends AsyncNotifier<PageResult<FinanceRecord>> {
     reload();
   }
 
+  /// 往来单位筛选（工具栏 ComboSearchField / 移动端 chip→sheet 共用）。
+  void setPartner(int? partnerId) {
+    _partnerId = partnerId;
+    _page = 1;
+    reload();
+  }
+
   void setMonth(String month) {
     _month = month;
     _startDate = '';
diff --git a/client/lib/screens/finance/finance_screen.dart b/client/lib/screens/finance/finance_screen.dart
index a088057..557cd3f 100644
--- a/client/lib/screens/finance/finance_screen.dart
+++ b/client/lib/screens/finance/finance_screen.dart
@@ -15,18 +15,24 @@ import '../../core/theme/context_tokens.dart';
 import '../../core/utils/clock.dart';
 import '../../core/utils/export_util.dart';
 import '../../models/finance.dart';
+import '../../models/partner.dart';
 import '../../providers/finance_provider.dart';
+import '../../providers/partner_provider.dart' show allPartnersProvider;
 import '../../providers/stock_in_provider.dart';
 import '../../providers/stock_out_provider.dart';
+import '../../widgets/combo_search_field.dart';
+import '../../widgets/searchable_option_field.dart' show OptionItem;
 import '../../widgets/ds/ds_atoms.dart';
 import '../../widgets/ds/ds_bar_chart.dart';
 import '../../widgets/ds/ds_kpi.dart';
 import '../../widgets/ds/ds_table.dart';
 import '../../widgets/ds/m_kpi_grid.dart';
+import '../../widgets/ds/m_sheet.dart';
 import '../../widgets/ds/status_icon_map.dart';
 import '../../widgets/finance_entry_dialog.dart';
 import '../../widgets/finance_partner_drawer.dart';
 import '../../widgets/mobile_list_card.dart';
+import '../../widgets/wheel_date_picker.dart' show showDateRangeDropdown;
 import '../../widgets/write_guard.dart';
 import '../../core/theme/app_fonts.dart';
 import '../../widgets/ds/ds_toast.dart';
@@ -44,6 +50,10 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
   String _rangeLabel = '本月';
   // 流水类型筛选（原型 3 chips 扩到 5）
   String _flowChip = '全部';
+  // 往来单位筛选（桌面 toolbar ComboSearchField / 移动端时间行尾 chip→sheet 共用）
+  int? _partnerId;
+  // 自定义时间区间（记住上次选择，重开 showDateRangeDropdown 时回显）
+  DateTimeRange? _customRange;
   // 窄屏三分段（原型 m-finance .seg：应收 / 应付 / 流水）
   int _mSeg = 0;
 
@@ -63,11 +73,14 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
     super.initState();
     // 默认本月（与 KPI 口径一致）
     WidgetsBinding.instance.addPostFrameCallback((_) {
-      if (mounted) _applyRange('本月');
+      if (mounted) _applyRange('本月', context);
     });
   }
 
-  Future<void> _applyRange(String range) async {
+  /// [anchorContext] 用于「自定义」分支锚定 showDateRangeDropdown（照 stock_in
+  /// _dateMenu 写法：传入触发该 chip 的 Builder context，桌面下拉/窄屏 sheet 由
+  /// 组件内部自适应）；本月/本季分支不弹层，传外层 context 即可。
+  Future<void> _applyRange(String range, BuildContext anchorContext) async {
     final now = appNow();
     final notifier = ref.read(financeListProvider.notifier);
     switch (range) {
@@ -87,23 +100,27 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
           _rangeLabel = '本季';
         });
       case '自定义':
-        final picked = await showDateRangePicker(
-          context: context,
-          firstDate: DateTime(now.year - 3),
-          lastDate: now,
-          initialDateRange:
+        final picked = await showDateRangeDropdown(
+          anchorContext,
+          initial: _customRange ??
               DateTimeRange(start: DateTime(now.year, now.month, 1), end: now),
         );
         if (picked == null) return;
         notifier.setRange(_ymd.format(picked.start), _ymd.format(picked.end));
         setState(() {
           _range = range;
+          _customRange = picked;
           _rangeLabel =
               '${_ymd.format(picked.start)} ~ ${_ymd.format(picked.end)}';
         });
     }
   }
 
+  void _setPartner(int? partnerId) {
+    setState(() => _partnerId = partnerId);
+    ref.read(financeListProvider.notifier).setPartner(partnerId);
+  }
+
   void _reload() {
     ref.read(financeListProvider.notifier).reload();
     ref.invalidate(financePartnerRowsProvider);
@@ -267,33 +284,93 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
 
   // ── 时间范围 chips（原型 .timerow）──
   Widget _timeRow(dynamic t, bool mobile) {
+    // 移动端时间行尾追加「往来单位」chip（D6：showMSheet 可搜单选，× 清除）；
+    // 桌面往来单位筛选走 _flowTable toolbar 的 ComboSearchField（不在此行）。
+    final partnerName = mobile
+        ? _partnerNameById(
+            ref.watch(allPartnersProvider).valueOrNull?.data ?? const [],
+            _partnerId)
+        : null;
+
+    final children = <Widget>[
+      Text('时间范围', style: TextStyle(fontSize: AppDims.fsSm, color: t.muted)),
+      const SizedBox(width: 12),
+      for (final r in const ['本月', '本季']) ...[
+        DsChip(
+            label: r,
+            selected: _range == r,
+            caret: false,
+            onTap: () => _applyRange(r, context)),
+        const SizedBox(width: 10),
+      ],
+      Builder(
+        // anchorCtx = chip 自身位置：自定义范围下拉/sheet 锚定在 chip 下方
+        // （照 stock_in_list_screen.dart _dateMenu 写法）
+        builder: (anchorCtx) => DsChip(
+            label: '自定义',
+            selected: _range == '自定义',
+            onTap: () => _applyRange('自定义', anchorCtx)),
+      ),
+      if (mobile) ...[
+        const SizedBox(width: 10),
+        DsChip(
+            label: '往来单位',
+            value: partnerName,
+            onTap: _openPartnerSheet,
+            onClear: () => _setPartner(null)),
+      ],
+    ];
+
+    if (mobile) {
+      children.addAll([
+        const SizedBox(width: 10),
+        WriteGuard(
+          child: DsButton('登记',
+              small: true,
+              icon: LucideIcons.plus,
+              variant: DsBtnVariant.primary,
+              onPressed: () => showFinanceEntryDialog(context)),
+        ),
+      ]);
+      // 窄屏内容（label+4 chip+登记）常超宽：整行横向可滚（照 _flowTable 移动
+      // 工具栏 chips 横向可滚同款写法），而非把登记钉死右侧裁掉往来单位 chip。
+      return Padding(
+        padding: const EdgeInsets.only(bottom: 18),
+        child: SingleChildScrollView(
+            scrollDirection: Axis.horizontal, child: Row(children: children)),
+      );
+    }
+
     return Padding(
       padding: const EdgeInsets.only(bottom: 18),
-      child: Row(children: [
-        Text('时间范围', style: TextStyle(fontSize: AppDims.fsSm, color: t.muted)),
-        const SizedBox(width: 12),
-        for (final r in const ['本月', '本季', '自定义']) ...[
-          DsChip(
-              label: r,
-              selected: _range == r,
-              caret: r == '自定义',
-              onTap: () => _applyRange(r)),
-          const SizedBox(width: 10),
-        ],
-        if (mobile) ...[
-          const Spacer(),
-          WriteGuard(
-            child: DsButton('登记',
-                small: true,
-                icon: LucideIcons.plus,
-                variant: DsBtnVariant.primary,
-                onPressed: () => showFinanceEntryDialog(context)),
-          ),
-        ],
-      ]),
+      child: Row(children: children),
     );
   }
 
+  String? _partnerNameById(List<Partner> partners, int? id) {
+    if (id == null) return null;
+    for (final p in partners) {
+      if (p.id == id) return p.name;
+    }
+    return null;
+  }
+
+  /// 移动端「往来单位」chip → 底部 sheet 可搜索单选（D6，对齐桌面 ComboSearchField）。
+  Future<void> _openPartnerSheet() async {
+    final partners = ref.read(allPartnersProvider).valueOrNull?.data ?? const [];
+    final options = [
+      for (final p in partners) OptionItem(id: p.id, name: p.name, code: p.code),
+    ];
+    final sel = await showMSheet<int?>(
+      context,
+      title: '往来单位',
+      builder: (_) => _PartnerSheetBody(options: options, selectedId: _partnerId),
+    );
+    if (sel == null || !mounted) return;
+    // -1 = 清除选择（照 SearchableOptionField 的既有约定）
+    _setPartner(sel == -1 ? null : sel);
+  }
+
   // ── KPI 4 卡 ──
   Widget _kpis(dynamic t, bool mobile) {
     final outSum = ref.watch(stockOutSummaryProvider).valueOrNull;
@@ -547,6 +624,20 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
                 style: TextStyle(fontSize: AppDims.fsSm, color: t.muted)),
             const SizedBox(width: 12),
             ...chips,
+            const SizedBox(width: 10),
+            // 往来单位：可搜索单选下拉（→ financeListProvider.setPartner；照
+            // stock_out_list_screen.dart 客户 ComboSearchField 写法）。仅桌面
+            // 工具栏放置，移动端对应筛选在 _timeRow 尾部的「往来单位」chip → sheet。
+            ComboSearchField(
+              options: (ref.watch(allPartnersProvider).valueOrNull?.data ??
+                      const [])
+                  .map((p) => OptionItem(id: p.id, name: p.name, code: p.code))
+                  .toList(),
+              selectedId: _partnerId,
+              hint: '往来单位',
+              width: 180,
+              onChanged: _setPartner,
+            ),
             const Spacer(),
             Text('共 $total 条',
                 style: TextStyle(
@@ -869,3 +960,108 @@ class _FinanceScreenState extends ConsumerState<FinanceScreen> {
     );
   }
 }
+
+/// 移动端「往来单位」sheet 内容：搜索框 + 全部/逐项列表 + 选中勾（照
+/// combo_search_field.dart _ComboPop 的搜索+勾选样式，装进 showMSheet 底部
+/// 容器而非锚定弹层）。选中返回 id；点「全部往来单位」返回 -1（清除，约定
+/// 同 SearchableOptionField）。
+class _PartnerSheetBody extends StatefulWidget {
+  final List<OptionItem> options;
+  final int? selectedId;
+  const _PartnerSheetBody({required this.options, required this.selectedId});
+
+  @override
+  State<_PartnerSheetBody> createState() => _PartnerSheetBodyState();
+}
+
+class _PartnerSheetBodyState extends State<_PartnerSheetBody> {
+  String _kw = '';
+
+  @override
+  Widget build(BuildContext context) {
+    final t = context.tokens;
+    final hits = _kw.trim().isEmpty
+        ? widget.options
+        : widget.options.where((o) => o.matches(_kw)).toList();
+
+    Widget optRow({
+      required String name,
+      required bool selected,
+      required VoidCallback onTap,
+    }) =>
+        InkWell(
+          onTap: onTap,
+          child: Container(
+            padding: const EdgeInsets.symmetric(vertical: 13, horizontal: 4),
+            decoration: BoxDecoration(
+              border: Border(bottom: BorderSide(color: t.borderSubtle)),
+            ),
+            child: Row(children: [
+              Expanded(
+                child: Text(name,
+                    overflow: TextOverflow.ellipsis,
+                    style: TextStyle(
+                        fontSize: AppDims.fsBody,
+                        fontWeight:
+                            selected ? FontWeight.w600 : FontWeight.w400,
+                        color: selected ? t.primary : t.text)),
+              ),
+              if (selected) ...[
+                const SizedBox(width: 8),
+                Icon(LucideIcons.check, size: 18, color: t.primary),
+              ],
+            ]),
+          ),
+        );
+
+    return Column(
+      mainAxisSize: MainAxisSize.min,
+      children: [
+        Container(
+          padding: const EdgeInsets.symmetric(horizontal: 11, vertical: 9),
+          decoration: BoxDecoration(
+            color: t.bg,
+            borderRadius: BorderRadius.circular(AppDims.rMd),
+          ),
+          child: Row(children: [
+            Icon(LucideIcons.search, size: 15, color: t.faint),
+            const SizedBox(width: 8),
+            Expanded(
+              child: TextField(
+                style: TextStyle(fontSize: AppDims.fsBody, color: t.text),
+                decoration: InputDecoration(
+                  isCollapsed: true,
+                  contentPadding: EdgeInsets.zero,
+                  border: InputBorder.none,
+                  hintText: '搜索往来单位…',
+                  hintStyle:
+                      TextStyle(fontSize: AppDims.fsBody, color: t.faint),
+                ),
+                onChanged: (v) => setState(() => _kw = v),
+              ),
+            ),
+          ]),
+        ),
+        const SizedBox(height: 6),
+        optRow(
+          name: '全部往来单位',
+          selected: widget.selectedId == null,
+          onTap: () => Navigator.of(context).pop(-1),
+        ),
+        if (hits.isEmpty)
+          Padding(
+            padding: const EdgeInsets.all(20),
+            child: Text('无匹配结果',
+                style: TextStyle(color: t.muted, fontSize: AppDims.fsSm)),
+          )
+        else
+          for (final o in hits)
+            optRow(
+              name: o.name,
+              selected: o.id == widget.selectedId,
+              onTap: () => Navigator.of(context).pop(o.id),
+            ),
+      ],
+    );
+  }
+}
diff --git a/client/test/golden/goldens/finance_mobile_a.png b/client/test/golden/goldens/finance_mobile_a.png
index f21f762..88918c4 100644
Binary files a/client/test/golden/goldens/finance_mobile_a.png and b/client/test/golden/goldens/finance_mobile_a.png differ
diff --git a/client/test/golden/goldens/finance_mobile_b.png b/client/test/golden/goldens/finance_mobile_b.png
index 10047d2..98e4fac 100644
Binary files a/client/test/golden/goldens/finance_mobile_b.png and b/client/test/golden/goldens/finance_mobile_b.png differ
diff --git a/client/test/golden/goldens/finance_mobile_c.png b/client/test/golden/goldens/finance_mobile_c.png
index ee741d0..97e2ae6 100644
Binary files a/client/test/golden/goldens/finance_mobile_c.png and b/client/test/golden/goldens/finance_mobile_c.png differ
diff --git a/client/test/golden/goldens/m_finance_a.png b/client/test/golden/goldens/m_finance_a.png
index f100c3a..bb3e5a8 100644
Binary files a/client/test/golden/goldens/m_finance_a.png and b/client/test/golden/goldens/m_finance_a.png differ
diff --git a/client/test/golden/goldens/m_finance_b.png b/client/test/golden/goldens/m_finance_b.png
index e792e1c..0a81169 100644
Binary files a/client/test/golden/goldens/m_finance_b.png and b/client/test/golden/goldens/m_finance_b.png differ
diff --git a/client/test/golden/goldens/m_finance_c.png b/client/test/golden/goldens/m_finance_c.png
index 11575e9..6e5ea7a 100644
Binary files a/client/test/golden/goldens/m_finance_c.png and b/client/test/golden/goldens/m_finance_c.png differ
diff --git a/design/prototype/screens/finance.html b/design/prototype/screens/finance.html
index 516b653..f734d24 100644
--- a/design/prototype/screens/finance.html
+++ b/design/prototype/screens/finance.html
@@ -83,7 +83,7 @@
         <span class="lbl">时间范围</span>
         <div class="chip on" data-range="本月" onclick="setRange('本月')">本月</div>
         <div class="chip" data-range="本季" onclick="setRange('本季')">本季</div>
-        <div class="chip" data-range="自定义" onclick="setRange('自定义')">自定义 <svg viewBox="0 0 24 24"><use href="#i-ic16"/></svg></div>
+        <div class="chip" data-range="自定义" onclick="openCustomRange(this)">自定义 <svg viewBox="0 0 24 24"><use href="#i-ic16"/></svg></div>
       </div>
 
       <!-- 2. KPI 条 -->
@@ -123,6 +123,7 @@
           <div class="chip on" data-flt="全部" onclick="setFlowFilter('全部')">全部</div>
           <div class="chip" data-flt="收款" onclick="setFlowFilter('收款')">收款</div>
           <div class="chip" data-flt="付款" onclick="setFlowFilter('付款')">付款</div>
+          <div class="chip" id="chipParty" onclick="openPartyFilter(this)">往来单位 <span class="cv" id="partyVal"></span><svg viewBox="0 0 24 24"><use href="#i-chevron-down"/></svg></div>
           <div class="sp"></div>
           <span class="ref" id="flowCount"></span>
         </div>
@@ -141,7 +142,16 @@
 <script src="shell.js"></script>
 <script>
 /* ---- 1. 时间范围 ---- */
-function setRange(r){ document.querySelectorAll('.chip[data-range]').forEach(c=>c.classList.toggle('on',c.dataset.range===r)); document.getElementById('finSub').textContent='应收/应付概览 · '+r; if(r==='自定义')toast('自定义区间选择器（原型略）'); }
+function setRange(r){ document.querySelectorAll('.chip[data-range]').forEach(c=>c.classList.toggle('on',c.dataset.range===r)); document.getElementById('finSub').textContent='应收/应付概览 · '+r; }
+// 自定义区间：起止并排双滚轮锚定 chip 下方（datewheel.js openRange，对齐真实端 showDateRangeDropdown）
+let customFrom='', customTo='';
+function openCustomRange(t){
+  DateWheel.openRange(t,{from:customFrom,to:customTo,onCommit:(f,to)=>{
+    customFrom=f; customTo=to;
+    document.querySelectorAll('.chip[data-range]').forEach(c=>c.classList.toggle('on',c.dataset.range==='自定义'));
+    document.getElementById('finSub').textContent='应收/应付概览 · '+f+' ~ '+to;
+  }});
+}
 
 /* ---- 3. 趋势图数据（万元） ---- */
 const TREND=[
@@ -200,9 +210,13 @@ const FLOWS=[
   {date:'2026-06-11',type:'收款',party:'华东酒类批发',amt:55200,ref:'SK-20260611-06',note:'梦之蓝M6'}
 ];
 let flowFilter='全部';
+let flowParty='全部';
+const PARTIES=['全部',...Array.from(new Set(FLOWS.map(f=>f.party)))];
 function setFlowFilter(f){ flowFilter=f; document.querySelectorAll('.chip[data-flt]').forEach(c=>c.classList.toggle('on',c.dataset.flt===f)); renderFlows(); }
+// 往来单位：可搜索单选下拉（chip + openSearchMenu，照 stock-out-list.html 客户筛选写法）
+function openPartyFilter(t){ openSearchMenu(t,PARTIES.map(v=>({v,label:v,sel:v===flowParty})),v=>{ flowParty=v; closeMenus(); renderFlows(); },{placeholder:'搜索往来单位…'}); }
 function renderFlows(){
-  const rows=FLOWS.filter(f=>flowFilter==='全部'||f.type===flowFilter);
+  const rows=FLOWS.filter(f=>(flowFilter==='全部'||f.type===flowFilter)&&(flowParty==='全部'||f.party===flowParty));
   const tb=document.getElementById('flowBody');
   if(rows.length===0){ tb.innerHTML=`<tr><td colspan="6"><div class="empty">没有匹配的流水记录</div></td></tr>`; }
   else { tb.innerHTML=rows.map(f=>`<tr>
@@ -215,6 +229,8 @@ function renderFlows(){
   </tr>`).join(''); }
   document.getElementById('flowCount').textContent=`共 ${rows.length} 条`;
   document.getElementById('flowSub').textContent=`本月 ${FLOWS.length} 笔 · 收 ${FLOWS.filter(f=>f.type==='收款').length} / 付 ${FLOWS.filter(f=>f.type==='付款').length}`;
+  document.getElementById('partyVal').textContent=flowParty==='全部'?'':flowParty;
+  document.getElementById('chipParty').classList.toggle('on',flowParty!=='全部');
 }
 
 /* ---- 抽屉：某往来单位流水 ---- */
@@ -246,6 +262,7 @@ document.addEventListener('keydown',e=>{ if(e.key==='Escape'){closeMenus();close
 buildChart(); buildSummary(); renderFlows();
 </script>
 <a class="ds-fab" href="../index.html" title="返回设计系统" aria-label="返回设计系统"><svg viewBox="0 0 24 24"><use href="#i-arrow-left"/></svg></a>
+<script src="datewheel.js"></script>
 <script src="fab.js"></script>
 <script src="notify.js"></script>
 <script src="statusbar.js"></script>
diff --git a/design/prototype/screens/m-finance.html b/design/prototype/screens/m-finance.html
index b5cb254..b36d612 100644
--- a/design/prototype/screens/m-finance.html
+++ b/design/prototype/screens/m-finance.html
@@ -7,12 +7,30 @@
 <link rel="stylesheet" href="../tokens.css">
 <link rel="stylesheet" href="../atoms.css">
 <link rel="stylesheet" href="../mobile-atoms.css">
-<style>body{margin:0; font-family:var(--font); color:var(--text); background:var(--page); -webkit-font-smoothing:antialiased;}</style>
+<style>
+  body{margin:0; font-family:var(--font); color:var(--text); background:var(--page); -webkit-font-smoothing:antialiased;}
+  /* 时间范围筛选行（回填真实端已有形态，照桌面 finance.html .timerow）：
+     label+4 chip+登记 常超宽 → 整行横向可滚（照 m-stock-out-list.html 工具栏
+     chips 横向可滚同款写法），不把登记钉死右侧裁掉往来单位 chip */
+  .timerow{display:flex; align-items:center; gap:10px; margin:2px 0 14px; overflow-x:auto;}
+  .timerow::-webkit-scrollbar{display:none;}
+  .timerow .lbl{font-size:var(--fs-sm); color:var(--muted); margin-right:2px; flex:none; white-space:nowrap;}
+  .timerow > *{flex:none;}
+</style>
 </head>
 <body>
 <div class="m-top" data-m-top data-title="财务管理"></div>
 <div class="m-page has-tabs">
   <div class="m-scroll">
+    <!-- 时间范围（真实端 FinanceScreen._timeRow 移动分支：存量漂移回填） -->
+    <div class="timerow">
+      <span class="lbl">时间范围</span>
+      <div class="chip on" data-range="本月" onclick="setRange('本月')">本月</div>
+      <div class="chip" data-range="本季" onclick="setRange('本季')">本季</div>
+      <div class="chip" data-range="自定义" onclick="openCustomRange()">自定义 <svg viewBox="0 0 24 24"><use href="#i-ic16"/></svg></div>
+      <div class="chip" id="chipParty" onclick="openPartnerSheet()">往来单位 <span class="cv" id="partyVal"></span><svg viewBox="0 0 24 24"><use href="#i-chevron-down"/></svg></div>
+      <div class="btn primary sm" onclick="mToast('登记收支（原型）')"><svg viewBox="0 0 24 24"><use href="#i-plus"/></svg>登记</div>
+    </div>
     <div class="m-kpi">
       <div class="k"><div class="kl">本月收入</div><div class="kv">¥86.4万</div><div class="kd up">▲ 8.2% 较上月</div></div>
       <div class="k"><div class="kl">本月支出</div><div class="kv">¥52.1万</div><div class="kd down">▲ 3.1% 较上月</div></div>
@@ -29,6 +47,7 @@
 
 <script src="icons.js"></script>
 <script src="mobile-shell.js"></script>
+<script src="datewheel.js"></script>
 <script>
 const AR=[
   {party:'城东烟酒行',amt:'¥86,200',status:'未结清',date:'账期 06-30'},
@@ -47,13 +66,51 @@ const FLOW=[
 let tab='ar';
 const FTABS=['ar','ap','flow'];
 function setTab(t){ tab=t; const idx=FTABS.indexOf(t); document.querySelectorAll('.seg button').forEach((b,i)=>b.classList.toggle('on',i===idx)); render(); }
+
+/* ---- 时间范围（照桌面 finance.html：仅改文案，不真实过滤 AR/AP/FLOW 展示数据） ---- */
+function setRange(r){ document.querySelectorAll('.chip[data-range]').forEach(c=>c.classList.toggle('on',c.dataset.range===r)); }
+// 自定义范围：窄屏走底部 sheet 纵排双滚轮（datewheel.js mountRange，对齐真实端
+// showDateRangeDropdown 在 isMobile 下走 showMSheet，照 m-stock-in-list.html openAdvDateSheet 写法）
+let customFrom='', customTo='';
+function openCustomRange(){
+  openSheet('日期区间','<div id="rangeMount"></div>');
+  DateWheel.mountRange(document.getElementById('rangeMount'),{from:customFrom,to:customTo,onCommit:(f,to)=>{
+    customFrom=f; customTo=to;
+    document.querySelectorAll('.chip[data-range]').forEach(c=>c.classList.toggle('on',c.dataset.range==='自定义'));
+    closeSheet();
+  }});
+}
+
+/* ---- 往来单位（D6：chip → 底部 sheet 可搜索单选，× 清除；仅过滤「流水」分段） ---- */
+let flowParty='全部';
+const PARTNERS=['全部',...Array.from(new Set([...AR,...AP,...FLOW].map(r=>r.party.split(' · ')[0])))];
+function openPartnerSheet(){
+  openSheet('往来单位',
+    '<div class="m-search" style="margin-bottom:8px"><svg viewBox="0 0 24 24"><use href="#i-search"/></svg>'
+    +'<input id="partnerKw" placeholder="搜索往来单位…" oninput="drawPartnerOpts(this.value)"></div>'
+    +'<div id="partnerOptList"></div>');
+  drawPartnerOpts('');
+}
+function drawPartnerOpts(kw){
+  const q=(kw||'').trim().toLowerCase();
+  const hits=PARTNERS.filter(v=>v==='全部'||!q||v.toLowerCase().includes(q));
+  document.getElementById('partnerOptList').innerHTML=hits.length
+    ? hits.map(v=>`<div class="m-opt ${v===flowParty?'sel':''}" onclick="setFlowParty('${v}')">${v}<svg class="ck" viewBox="0 0 24 24"><use href="#i-check"/></svg></div>`).join('')
+    : '<div style="padding:20px 4px;text-align:center;color:var(--muted);font-size:var(--fs-sm)">无匹配结果</div>';
+}
+function setFlowParty(v){ flowParty=v; closeSheet(); render(); }
+
 function render(){
   const cfg={ar:['应收账款',AR],ap:['应付账款',AP],flow:['资金流水',FLOW]}[tab];
-  document.getElementById('cnt').textContent=`${cfg[0]} · 共 ${cfg[1].length}`;
-  document.getElementById('list').innerHTML=cfg[1].map(r=>`<div class="m-card"><div class="m-row">
+  // 往来单位筛选仅作用于「流水」分段（对应真实端 financeListProvider.setPartner 只过滤流水表）
+  const rows=tab==='flow'?cfg[1].filter(r=>flowParty==='全部'||r.party.split(' · ')[0]===flowParty):cfg[1];
+  document.getElementById('cnt').textContent=`${cfg[0]} · 共 ${rows.length}`;
+  document.getElementById('list').innerHTML=rows.map(r=>`<div class="m-card"><div class="m-row">
     <div class="mc-main"><div class="mc-nm">${r.party}</div><div class="mc-sub">${r.date}</div></div>
     <div class="mc-right"><span class="badge b-${r.status}">${r.status}</span><span class="mc-amt">${r.amt}</span></div>
   </div></div>`).join('');
+  document.getElementById('partyVal').textContent=flowParty==='全部'?'':flowParty;
+  document.getElementById('chipParty').classList.toggle('on',flowParty!=='全部');
 }
 render();
 </script>