diff --git a/frontend/src/views/TaskHall.vue b/frontend/src/views/TaskHall.vue
index 881b0bc..dd2b550 100644
--- a/frontend/src/views/TaskHall.vue
+++ b/frontend/src/views/TaskHall.vue
@@ -1953,7 +1953,7 @@
 <script setup lang="ts">
 import { ref, reactive, computed, onMounted, onUnmounted, h } from 'vue'
 import { useRouter } from 'vue-router'
-import { message, Modal, InputNumber, Textarea, Radio, RadioGroup } from 'ant-design-vue'
+import { message, Modal, InputNumber, Textarea, Radio, RadioGroup, Button, Select, Space, Tag } from 'ant-design-vue'
 import DefaultLayout from '@/layouts/DefaultLayout.vue'
 import Icon from '@/components/Icon.vue'
 import * as taskApi from '@/api/task'
@@ -2570,53 +2570,89 @@ const showAssignDesignerModal = async (task: Task) => {
       quantity: task.quantity || 1
     }))
 
+    let newTaskTypeId: number | null = null
+
     const modalContent = h('div', { style: 'padding: 10px 0;' }, [
       // 任务类型编辑区域
-      h('div', { style: 'marginBottom: 24px; padding: 16px; background: #f5f5f5; borderRadius: 8px;' }, [
-        h('h4', { style: 'marginBottom: 12px; fontSize: 14px; fontWeight: 600;' }, '📝 编辑任务类型'),
-        h('div', { style: 'marginBottom: 12px;' }, [
+      h('div', { 
+        style: { 
+          marginBottom: '24px', 
+          padding: '16px', 
+          background: '#fafafa', 
+          borderRadius: '8px',
+          border: '1px solid #e8e8e8'
+        } 
+      }, [
+        h('div', { style: 'marginBottom: 16px; display: flex; alignItems: center;' }, [
+          h('span', { 
+            style: { 
+              fontSize: '14px', 
+              fontWeight: 600, 
+              color: '#1890ff',
+              marginRight: '8px'
+            } 
+          }, '📝'),
+          h('span', { 
+            style: { 
+              fontSize: '14px', 
+              fontWeight: 600, 
+              color: '#262626'
+            } 
+          }, '编辑任务类型')
+        ]),
+        h(Space, { 
+          direction: 'vertical', 
+          size: 8,
+          style: { width: '100%', marginBottom: '12px' }
+        }, [
           ...editableTaskTypes.map((item, index) => 
             h('div', {
               key: index,
               style: {
                 display: 'flex',
                 alignItems: 'center',
-                marginBottom: '8px',
-                padding: '8px',
+                padding: '12px',
                 background: 'white',
-                borderRadius: '4px',
-                border: '1px solid #d9d9d9'
+                borderRadius: '6px',
+                border: '1px solid #e8e8e8',
+                transition: 'all 0.3s'
               }
             }, [
-              h('span', { style: { flex: 1, fontSize: 13 } }, 
-                getTaskTypeName(item.typeId)
-              ),
-              h('span', { style: { marginRight: 8, fontSize: 12, color: '#666' } }, '数量：'),
-              h('input', {
-                type: 'number',
+              h(Tag, { 
+                color: 'blue',
+                style: { 
+                  marginRight: '12px',
+                  fontSize: '13px',
+                  padding: '4px 12px'
+                }
+              }, getTaskTypeName(item.typeId)),
+              h('span', { 
+                style: { 
+                  flex: 1,
+                  fontSize: '13px',
+                  color: '#8c8c8c'
+                } 
+              }),
+              h('span', { 
+                style: { 
+                  marginRight: '8px', 
+                  fontSize: '13px', 
+                  color: '#595959' 
+                } 
+              }, '数量：'),
+              h(InputNumber, {
                 value: item.quantity,
                 min: 1,
-                style: {
-                  width: '60px',
-                  padding: '4px 8px',
-                  border: '1px solid #d9d9d9',
-                  borderRadius: '4px',
-                  marginRight: '8px'
-                },
-                onInput: (e: any) => {
-                  item.quantity = parseInt(e.target.value) || 1
+                size: 'small',
+                style: { width: '80px', marginRight: '8px' },
+                onChange: (val: number) => {
+                  item.quantity = val || 1
                 }
               }),
-              h('button', {
-                style: {
-                  padding: '4px 12px',
-                  background: '#ff4d4f',
-                  color: 'white',
-                  border: 'none',
-                  borderRadius: '4px',
-                  cursor: 'pointer',
-                  fontSize: 12
-                },
+              h(Button, {
+                type: 'text',
+                danger: true,
+                size: 'small',
                 onClick: () => {
                   editableTaskTypes.splice(index, 1)
                 }
@@ -2624,39 +2660,32 @@ const showAssignDesignerModal = async (task: Task) => {
             ])
           )
         ]),
-        h('div', { style: 'display: flex; gap: 8px;' }, [
-          h('select', {
-            id: 'newTaskTypeSelect',
-            style: {
-              flex: 1,
-              padding: '6px 12px',
-              border: '1px solid #d9d9d9',
-              borderRadius: '4px',
-              fontSize: 13
-            }
-          }, [
-            h('option', { value: '' }, '-- 选择要添加的任务类型 --'),
-            ...demandTypes.value.map((type: any) => 
-              h('option', { value: type.id }, type.name)
-            )
-          ]),
-          h('button', {
-            style: {
-              padding: '6px 16px',
-              background: '#52c41a',
-              color: 'white',
-              border: 'none',
-              borderRadius: '4px',
-              cursor: 'pointer',
-              fontSize: 13
+        h(Space, { size: 8, style: { width: '100%' } }, [
+          h(Select, {
+            value: newTaskTypeId,
+            placeholder: '选择要添加的任务类型',
+            allowClear: true,
+            style: { flex: 1, minWidth: '200px' },
+            onChange: (val: number) => {
+              newTaskTypeId = val
             },
+            options: demandTypes.value.map((type: any) => ({
+              value: type.id,
+              label: type.name
+            }))
+          }),
+          h(Button, {
+            type: 'primary',
+            size: 'middle',
+            style: { background: '#52c41a', borderColor: '#52c41a' },
             onClick: () => {
-              const selectEl = document.getElementById('newTaskTypeSelect') as HTMLSelectElement
-              const typeId = parseInt(selectEl.value)
-              if (typeId && !editableTaskTypes.find(t => t.typeId === typeId)) {
-                editableTaskTypes.push({ typeId, quantity: 1 })
-              } else if (typeId) {
+              if (newTaskTypeId && !editableTaskTypes.find(t => t.typeId === newTaskTypeId)) {
+                editableTaskTypes.push({ typeId: newTaskTypeId, quantity: 1 })
+                newTaskTypeId = null
+              } else if (newTaskTypeId) {
                 message.warning('该任务类型已添加')
+              } else {
+                message.warning('请先选择任务类型')
               }
             }
           }, '+ 添加类型')
@@ -2664,33 +2693,66 @@ const showAssignDesignerModal = async (task: Task) => {
       ]),
       
       // 选择接单方式
-      h('p', { style: 'margin-bottom: 16px; color: #666;' }, 
-        '选择任务接单方式：'
-      ),
-      h(RadioGroup, {
-        value: assignType,
-        onChange: (e: any) => {
-          assignType = e.target.value
-        },
-        style: { width: '100%', marginBottom: '16px' }
+      h('div', { 
+        style: { 
+          marginBottom: '24px'
+        } 
       }, [
-        h(Radio, { value: 'auto', style: { display: 'block', marginBottom: '12px' } }, 
-          '发布到任务大厅（设计师自由抢单）'
-        ),
-        h(Radio, { value: 'manual', style: { display: 'block' } }, 
-          '指定设计师接单'
-        )
+        h('div', { 
+          style: { 
+            marginBottom: '12px', 
+            fontSize: '14px', 
+            fontWeight: 500, 
+            color: '#262626' 
+          } 
+        }, '选择任务接单方式'),
+        h(RadioGroup, {
+          value: assignType,
+          onChange: (e: any) => {
+            assignType = e.target.value
+          },
+          style: { width: '100%' }
+        }, [
+          h(Radio, { 
+            value: 'auto', 
+            style: { 
+              display: 'block', 
+              marginBottom: '12px',
+              padding: '10px 12px',
+              border: '1px solid #d9d9d9',
+              borderRadius: '6px',
+              background: assignType === 'auto' ? '#e6f7ff' : 'white',
+              transition: 'all 0.3s'
+            } 
+          }, '🏢 发布到任务大厅（设计师自由抢单）'),
+          h(Radio, { 
+            value: 'manual', 
+            style: { 
+              display: 'block',
+              padding: '10px 12px',
+              border: '1px solid #d9d9d9',
+              borderRadius: '6px',
+              background: assignType === 'manual' ? '#e6f7ff' : 'white',
+              transition: 'all 0.3s'
+            } 
+          }, '👤 指定设计师接单')
+        ])
       ]),
+      
       // 设计师列表（仅在指定接单时显示）
       h('div', { 
         style: { 
-          marginTop: '16px',
           display: assignType === 'manual' ? 'block' : 'none'
         }
       }, [
-        h('p', { style: { marginBottom: '12px', color: '#666', fontSize: '13px' } }, 
-          '选择设计师（显示当前进行中的任务数量）：'
-        ),
+        h('div', { 
+          style: { 
+            marginBottom: '12px', 
+            fontSize: '14px', 
+            fontWeight: 500, 
+            color: '#262626' 
+          } 
+        }, '选择设计师'),
         h(RadioGroup, {
           value: selectedDesignerId,
           onChange: (e: any) => {
@@ -2703,32 +2765,38 @@ const showAssignDesignerModal = async (task: Task) => {
             style: { 
               display: 'flex', 
               alignItems: 'center',
-              marginBottom: '8px',
-              padding: '8px',
-              border: '1px solid #f0f0f0',
-              borderRadius: '4px'
+              marginBottom: '10px',
+              padding: '12px',
+              border: '1px solid #e8e8e8',
+              borderRadius: '6px',
+              background: selectedDesignerId === designer.id ? '#e6f7ff' : 'white',
+              transition: 'all 0.3s'
             } 
           }, [
-            h('span', { style: { flex: 1 } }, designer.realName),
-            h('span', { 
-              style: { 
-                color: designer.inProgressCount > 5 ? '#ff4d4f' : 
-                       designer.inProgressCount > 3 ? '#faad14' : '#52c41a',
-                fontSize: '12px',
-                marginLeft: '12px'
-              } 
-            }, `进行中: ${designer.inProgressCount} 个任务`)
+            h('span', { style: { flex: 1, fontSize: '14px', fontWeight: 500 } }, designer.realName),
+            h(Tag, { 
+              color: designer.inProgressCount > 5 ? 'error' : 
+                     designer.inProgressCount > 3 ? 'warning' : 'success'
+            }, `进行中: ${designer.inProgressCount}`)
           ])
         ))
       ])
     ])
 
     Modal.confirm({
-      title: '接单部门审核通过',
+      title: '✅ 接单部门审核通过',
       content: modalContent,
-      width: 600,
+      width: 650,
       okText: '确认通过',
       cancelText: '取消',
+      okButtonProps: {
+        size: 'large',
+        style: { minWidth: '100px' }
+      },
+      cancelButtonProps: {
+        size: 'large',
+        style: { minWidth: '100px' }
+      },
       onOk: async () => {
         try {
           approvalLoading.value = true
@@ -2791,22 +2859,39 @@ const handleRejectTwoLevelTask = async (task: Task) => {
   let rejectReason = ''
   
   Modal.confirm({
-    title: '驳回任务',
-    content: h('div', { style: 'padding: 10px 0;' }, [
-      h('p', { style: 'margin-bottom: 10px; color: #666;' }, '请输入驳回原因：'),
+    title: '❌ 驳回任务',
+    content: h('div', { style: 'padding: 16px 0;' }, [
+      h('div', { 
+        style: { 
+          marginBottom: '12px', 
+          fontSize: '14px', 
+          fontWeight: 500, 
+          color: '#262626' 
+        } 
+      }, '请输入驳回原因'),
       h(Textarea, {
-        rows: 4,
-        placeholder: '请详细说明驳回原因，以便发起人修改',
+        rows: 5,
+        placeholder: '请详细说明驳回原因，以便发起人修改...',
         maxlength: 500,
         showCount: true,
+        style: { fontSize: '14px' },
         onChange: (e: any) => {
           rejectReason = e.target.value
         }
       })
     ]),
+    width: 550,
     okText: '确认驳回',
     cancelText: '取消',
     okType: 'danger',
+    okButtonProps: {
+      size: 'large',
+      style: { minWidth: '100px' }
+    },
+    cancelButtonProps: {
+      size: 'large',
+      style: { minWidth: '100px' }
+    },
     onOk: async () => {
       if (!rejectReason || !rejectReason.trim()) {
         message.warning('请输入驳回原因')