diff --git a/src/modules/cross-border/components/BusinessOrdersView.vue b/src/modules/cross-border/components/BusinessOrdersView.vue
index 1290251..b92dd2e 100644
--- a/src/modules/cross-border/components/BusinessOrdersView.vue
+++ b/src/modules/cross-border/components/BusinessOrdersView.vue
@@ -336,7 +336,7 @@ onMounted(() => { if (props.detailPage) void loadDetail(); else if (!props.creat
 
 <template>
   <section v-loading="loading" class="business-orders client-ui" :aria-busy="loading">
-    <header v-if="mode === 'create'" class="page-head">
+    <header v-if="mode === 'create'" class="page-head" :class="{ 'looseboard-page-head': props.kind === 'looseboard' }">
       <div>
         <h2>{{ configuration.title }}下单</h2>
         <p>请填写订单信息，带 * 项为必填项</p>
@@ -430,6 +430,7 @@ onMounted(() => { if (props.detailPage) void loadDetail(); else if (!props.creat
 <style scoped>
 .business-orders { display: grid; gap: var(--client-section-gap); }
 .page-head { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
+.looseboard-page-head { max-width: 1180px; padding-right: 30px; box-sizing: border-box; }
 .page-head h2 { margin: 0; color: #111827; font-size: 26px; }
 .page-head p { margin: 7px 0 0; color: #64748b; font-size: 14px; }
 .business-table-card { overflow: hidden; border: 1px solid var(--client-border); border-radius: var(--client-radius); background: #fff; }
@@ -472,15 +473,23 @@ onMounted(() => { if (props.detailPage) void loadDetail(); else if (!props.creat
 .mode-buttons :deep(.el-radio-button:first-child .el-radio-button__inner) { border-left: 1px solid #dce3eb; }
 .mode-buttons :deep(.el-radio-button__original-radio:checked + .el-radio-button__inner) { border-color: #5965d8; background: #f0f2ff; color: #4f5bd5; box-shadow: none; }
 .form-grid { display: grid; gap: 0 22px; padding: 0 30px; }
-.two-col { grid-template-columns: repeat(2, minmax(0, 1fr)); }
+.two-col { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); max-width: 1180px; }
+.two-col > .el-form-item { min-width: 0; }
 .cargo-section { margin-top: 4px; padding-top: 7px; background: #fafafa; border-top: 1px solid #f0f2f5; border-bottom: 1px solid #f0f2f5; }
-.cargo-grid { grid-template-columns: 1.25fr 1.25fr 1.25fr 1.25fr; }
+.cargo-grid { grid-template-columns: minmax(0, 1.35fr) repeat(3, minmax(150px, .9fr)); max-width: 1180px; }
 .lower-grid { padding-top: 20px; }
 .lower-grid :deep(.el-date-editor) { width: 100%; }
 .form-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 5px; padding: 20px 30px 25px; border-top: 1px solid #f0f2f5; }
+.looseboard-form-card .form-actions { padding-right: max(30px, calc(100% - 1150px)); }
 .form-actions .el-button { min-width: 80px; height: 36px; border-radius: 7px; }
 .form-actions .el-button--primary { background: linear-gradient(135deg, #6774df, #7553aa); border: 0; box-shadow: 0 5px 12px rgb(103 116 223 / 24%); }
 
+@media (min-width: 1400px) {
+  .looseboard-form-card :deep(.el-input), .looseboard-form-card :deep(.el-select), .looseboard-form-card :deep(.el-date-editor) { max-width: 560px; }
+  .cargo-grid :deep(.el-input), .cargo-grid :deep(.el-input-number) { max-width: 300px; }
+  .lower-grid :deep(.el-input-number), .lower-grid :deep(.el-date-editor) { max-width: 560px; }
+}
+
 @media (max-width: 767px) {
   .business-orders { gap: 14px; }
   .page-head { align-items: flex-start; gap: 12px; }
diff --git a/src/modules/overseas-warehouse/views/ReturnOrdersView.test.mjs b/src/modules/overseas-warehouse/views/ReturnOrdersView.test.mjs
index d53c8d1..cdce72c 100644
--- a/src/modules/overseas-warehouse/views/ReturnOrdersView.test.mjs
+++ b/src/modules/overseas-warehouse/views/ReturnOrdersView.test.mjs
@@ -78,8 +78,8 @@ test('新建退货预报使用独立路由页面，编辑仍保留加宽弹框',
   assert.match(view, /class="return-create-actions"[\s\S]*?<el-button type="primary" :loading="creating" @click="submit">提交预报<\/el-button>/)
 })
 
-test('新建预报居左限宽，联系字段与数量输入保持紧凑', () => {
-  assert.match(view, /return-create-surface \{ width:calc\(100% - 24px\);[^}]*max-width:1120px;[^}]*margin:0 0 0 24px; justify-self:start;/)
+test('新建预报铺满工作区，联系字段与数量输入保持紧凑', () => {
+  assert.match(view, /return-create-surface \{ width:100%; min-width:0;[^}]*margin:0;/)
   assert.match(view, /<el-form label-width="130px" class="return-create-form">/)
   assert.match(view, /return-create-form :deep\(\.el-input\) \{ max-width:320px;/)
   assert.match(view, /return-create-form :deep\(\.el-select\) \{ max-width:520px;/)
diff --git a/src/modules/overseas-warehouse/views/ReturnOrdersView.vue b/src/modules/overseas-warehouse/views/ReturnOrdersView.vue
index 6b70030..ecf1e38 100644
--- a/src/modules/overseas-warehouse/views/ReturnOrdersView.vue
+++ b/src/modules/overseas-warehouse/views/ReturnOrdersView.vue
@@ -487,7 +487,8 @@ onBeforeUnmount(clearPhotoUrls)
 @media(max-width:1200px) { .return-query.query-toolbar--grid { grid-template-columns:repeat(2,minmax(0,320px)); } }
 .relabel-suborder { display: flex; align-items: center; gap: 8px; min-height: 30px; white-space: nowrap; }
 .return-orders-page { display:grid; gap:12px; } .return-create-form { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); column-gap:20px; } .return-form-wide { grid-column:1 / -1; } .items-title { display:flex; justify-content:space-between; align-items:center; margin:16px 0 4px; font-weight:600; } .items-hint { margin-bottom:10px; color:var(--el-text-color-secondary); font-size:12px; } h3 { margin:24px 0 10px; font-size:16px; } h4 { margin:16px 0 8px; font-size:14px; } .remark { white-space:pre-wrap; } .warehouse-error, .duplicate-sku-error { margin-top:6px; color:var(--el-color-danger); font-size:12px; } :deep(.duplicate-sku-input .el-input__wrapper) { box-shadow:0 0 0 1px var(--el-color-danger) inset; } :deep(.el-dialog .el-select) { width:100%; }
-.return-create-surface { width:calc(100% - 24px); max-width:1120px; min-width:0; margin:0 0 0 24px; justify-self:start; box-sizing:border-box; overflow:hidden; border:1px solid var(--client-border); border-radius:var(--client-radius); background:#fff; }
+.return-create-surface { width:100%; min-width:0; min-height:calc(100dvh - 198px); margin:0; box-sizing:border-box; overflow:hidden; border:1px solid var(--client-border); border-radius:var(--client-radius); background:#fff; }
+.return-create-header, .return-create-body, .return-create-actions { width:calc(100% - 24px); max-width:1118px; margin-left:24px; box-sizing:border-box; }
 .return-create-header { display:flex; min-height:68px; align-items:center; justify-content:space-between; gap:20px; padding:12px 20px; border-bottom:1px solid var(--client-border); }
 .return-create-header h2 { margin:0; color:#1f2d45; font-size:20px; }
 .return-create-header p { margin:4px 0 0; color:#7c899c; font-size:12px; }
diff --git a/src/modules/overseas-warehouse/views/WarehouseServiceView.vue b/src/modules/overseas-warehouse/views/WarehouseServiceView.vue
index 29ad2ea..fd9d1d2 100644
--- a/src/modules/overseas-warehouse/views/WarehouseServiceView.vue
+++ b/src/modules/overseas-warehouse/views/WarehouseServiceView.vue
@@ -332,6 +332,7 @@ const availableBoxesCollapsed = ref(false)
 const availableSkusCollapsed = ref(false)
 const relabelCandidatesLoading = ref(false)
 const transferInventoryCandidates = ref<RelabelInventoryCandidate[]>([])
+const transferAvailableSourceCounts = ref<Record<string, number>>({})
 const selectedTransferInventory = ref('')
 const inventoryTransfer = computed(() => props.service === 'transfer' && Boolean(selectedTransferInventory.value))
 // 来源库存发往FBA时默认贴标，私人仓和外来货保留原有选择。
@@ -1179,6 +1180,10 @@ function printForecastCartons() {
 }
 async function submit(action: 'draft' | 'submit' = 'submit') {
   if (saving.value) return
+  if (props.service === 'transfer' && inventoryTransfer.value && action === 'draft') {
+    ElMessage.warning('选择库存来源后不能保存草稿，请直接提交订单')
+    return
+  }
   if (transferRelabelRequired.value) form.relabel = true
   const primaryWarehouse = props.service === 'relabel' ? form.sourceWarehouse : form.warehouse
   const relabelRows = labelingMode.value === 'carton' ? cartonDetailRows.value : skuRelabelRows.value
@@ -1475,6 +1480,7 @@ async function loadWarehouses() {
 function warehouseLabel(value: MerchantWarehouse) { return `${value.warehouseName} · ${value.warehouseCode}` }
 async function loadTransferInventoryCandidates(warehouseId: string) {
   transferInventoryCandidates.value = []
+  transferAvailableSourceCounts.value = {}
   if (!warehouseId) return
   relabelCandidatesLoading.value = true
   try {
@@ -1483,6 +1489,18 @@ async function loadTransferInventoryCandidates(warehouseId: string) {
       item.sourceType === 'RETURN_CARTON' || item.sourceType === 'RETURN_PARCEL'
         ? Number(item.cartonAvailablePackages || 0) > 0
         : Number(item.availablePackages || 0) > 0)
+    const sourceValues = [...new Set(transferInventoryCandidates.value.map(item => {
+      const returnNo = String(item.inboundOrderNo || '').trim()
+      return item.sourceType === 'RETURN_CARTON' || item.sourceType === 'RETURN_PARCEL'
+        ? (returnNo ? `RETURN_ORDER:${returnNo}` : '') : String(item.inboundCode || '')
+    }).filter(Boolean))]
+    const results = await Promise.all(sourceValues.map(async (value) => {
+      try {
+        const cartons = await getTransferSourceCartons(warehouseId, value)
+        return [value, cartons.length] as const
+      } catch { return [value, 0] as const }
+    }))
+    transferAvailableSourceCounts.value = Object.fromEntries(results)
   } catch (error) {
     ElMessage.error(error instanceof Error ? error.message : '当前海外仓库存来源加载失败')
   } finally { relabelCandidatesLoading.value = false }
@@ -1544,7 +1562,7 @@ const transferInventoryOptions = computed(() => {
       : inventoryQuantity(item.availablePackages)
     const current = grouped.get(value)
     if (current) current.packages += packages
-    else grouped.set(value, { value, label: value.startsWith('RETURN_ORDER:') ? `退货单｜${returnNo}` : `${item.inboundOrderNo || value}｜${value}`, packages })
+    else if ((transferAvailableSourceCounts.value[value] ?? 1) > 0) grouped.set(value, { value, label: value.startsWith('RETURN_ORDER:') ? `退货单｜${returnNo}` : `${item.inboundOrderNo || value}｜${value}`, packages })
   }
   return [...grouped.values()]
 })
@@ -1850,7 +1868,7 @@ function addReturnBoxBinding(source: RelabelInventoryCandidate) {
           <div v-else-if="labelingMode === 'sku'" class="warehouse-table-scroll"><table class="warehouse-edit-table warehouse-transfer-mark-table"><thead><tr><th>仓库唛头 *</th><th>旧 SKU *</th><th>新 SKU *</th><th>换标数量（件）*</th><th>备注</th><th>操作</th></tr></thead><tbody><tr v-for="row in transferRelabelRows" :key="row.id"><td><el-input v-model="row.customerCartonMarks" placeholder="请输入仓库唛头" /></td><td><el-input :model-value="row.sku" readonly /></td><td><el-input v-model="row.newSkuCode" placeholder="请输入新 SKU" /></td><td><el-input-number v-model="row.quantity" :min="1" :precision="0" controls-position="right" placeholder="请输入箱数" /></td><td><el-input v-model="row.remark" type="textarea" :rows="2" placeholder="请输入备注" /></td><td><button type="button" class="warehouse-delete" title="删除该明细" @click="transferRelabelRows = transferRelabelRows.filter((item) => item.id !== row.id)"><Trash2 :size="16" />删除</button></td></tr><tr v-if="transferRelabelRows.length === 0"><td colspan="6"><div class="warehouse-empty">暂无绑定明细，请点击“添加 SKU 明细”</div></td></tr></tbody></table></div>
           <div v-else class="warehouse-table-scroll"><table class="warehouse-edit-table warehouse-transfer-mark-table"><thead><tr><th>仓库唛头 *</th><th>旧 SKU *</th><th>新 SKU *</th><th>换标数量（件）*</th><th>新 FBA 箱唛 *</th><th>备注</th><th>操作</th></tr></thead><tbody><tr v-for="row in transferRelabelRows" :key="row.id"><td><el-input v-model="row.customerCartonMarks" placeholder="请输入仓库唛头" /></td><td><el-input :model-value="row.sku" readonly /></td><td><el-input v-model="row.newSkuCode" placeholder="请输入新 SKU" /></td><td><el-input-number v-model="row.quantity" :min="1" :precision="0" controls-position="right" placeholder="请输入数量" /></td><td><el-input v-model="row.fbaCartonMark" placeholder="请输入新的 FBA 箱唛" /></td><td><el-input v-model="row.remark" type="textarea" :rows="2" placeholder="请输入备注" /></td><td><button type="button" class="warehouse-delete" title="删除该明细" @click="transferRelabelRows = transferRelabelRows.filter((item) => item.id !== row.id)"><Trash2 :size="16" />删除</button></td></tr><tr v-if="transferRelabelRows.length === 0"><td colspan="7"><div class="warehouse-empty">暂无绑定明细，请点击“添加 SKU 明细”</div></td></tr></tbody></table></div>
         </div>
-        <div class="warehouse-submit-bar warehouse-transfer-submit-bar"><el-button v-if="mode === 'create'" native-type="button" @click="resetForm">重置</el-button><el-button v-if="props.service === 'transfer'" native-type="button" :loading="saving" @click="submit('draft')">保存草稿</el-button><el-button v-if="props.service === 'transfer'" type="primary" native-type="submit" :loading="saving">提交订单</el-button><el-button v-if="props.service !== 'transfer'" type="primary" native-type="submit" :loading="saving">提交{{ config.title }}</el-button></div>
+        <div class="warehouse-submit-bar warehouse-transfer-submit-bar"><el-button v-if="mode === 'create'" native-type="button" @click="resetForm">重置</el-button><el-button v-if="props.service === 'transfer' && !inventoryTransfer" native-type="button" :loading="saving" @click="submit('draft')">保存草稿</el-button><el-button v-if="props.service === 'transfer'" type="primary" native-type="submit" :loading="saving">提交订单</el-button><el-button v-if="props.service !== 'transfer'" type="primary" native-type="submit" :loading="saving">提交{{ config.title }}</el-button></div>
       </form>
     </template>
 
diff --git a/src/modules/overseas-warehouse/views/inventoryTransferForm.test.mjs b/src/modules/overseas-warehouse/views/inventoryTransferForm.test.mjs
index 989f250..7505c5a 100644
--- a/src/modules/overseas-warehouse/views/inventoryTransferForm.test.mjs
+++ b/src/modules/overseas-warehouse/views/inventoryTransferForm.test.mjs
@@ -31,6 +31,13 @@ test('退货箱明细与来源下拉使用同一份逐箱库存，不请求普
   assert.equal(ctx.transferSourceLoading.value, false)
 })
 
+test('选择库存来源时隐藏保存草稿并阻止草稿动作', () => {
+  assert.match(view, /props\.service === 'transfer' && !inventoryTransfer/)
+  assert.match(view, /保存草稿/)
+  assert.match(view, /props\.service === 'transfer' && inventoryTransfer\.value && action === 'draft'/)
+  assert.match(view, /选择库存来源后不能保存草稿，请直接提交订单/)
+})
+
 test('来源库存发往FBA默认开启贴标，清除来源或切换私人仓后恢复选项', () => {
   const source = ref(''), destination = ref('NONE'), form = reactive({ relabel: false })
   const inventoryTransfer = computed(() => Boolean(source.value))
diff --git a/src/navigation/clientNavigation.ts b/src/navigation/clientNavigation.ts
index 923930c..321af20 100644
--- a/src/navigation/clientNavigation.ts
+++ b/src/navigation/clientNavigation.ts
@@ -54,6 +54,9 @@ export const clientNavigation: ClientNavigationNode[] = [
       requireLeaf('first-leg-orders', '头程订单'),
       requireLeaf('orders-inbound', '入库订单'),
       requireLeaf('orders-delivery', '派送订单'),
+      requireLeaf('cross-border-procurement'),
+      requireLeaf('cross-border-domestic-trucking'),
+      requireLeaf('cross-border-pallet-shipping'),
     ],
   },
   requireLeaf('first-leg-customs-documents', '报关资料'),
@@ -67,9 +70,6 @@ export const clientNavigation: ClientNavigationNode[] = [
       requireLeaf('overseas-storage-transfer'),
       requireLeaf('overseas-cargo-disposal'),
       requireLeaf('overseas-return-relabel', '退货换标'),
-      requireLeaf('cross-border-procurement'),
-      requireLeaf('cross-border-domestic-trucking'),
-      requireLeaf('cross-border-pallet-shipping'),
     ],
   },
   {