用户管理: 编辑按钮高亮 + 图标

- "编辑"按钮改为高亮(accent 边框/浅底/强调色) + PhNotePencil 图标
- "调余额"按钮加 PhCoins 图标

Co-Authored-By: Claude <noreply@anthropic.com>

web/src/views/admin/UsersView.vue

@@ -1,5 +1,6 @@
 <script setup lang="ts">
 import { onMounted, reactive, ref } from 'vue'
+import { PhNotePencil, PhCoins } from '@phosphor-icons/vue'
 import { http, errMsg } from '@/api/client'
 import { useToastStore } from '@/stores/toast'
 import { useAuthStore } from '@/stores/auth'
@@ -145,8 +146,17 @@ onMounted(load)
               <td class="px-4 py-2.5 font-mono text-xs text-muted">{{ fmtTime(u.created_at) }}</td>
               <td class="px-4 py-2.5 text-right">
                 <div class="flex justify-end gap-2">
-                  <button class="text-xs text-muted hover:text-ink" @click="openEdit(u)">编辑</button>
-                  <button class="text-xs text-muted hover:text-accent" @click="openBalance(u)">调余额</button>
+                  <button
+                    class="inline-flex items-center gap-1 rounded-md border border-accent/40 bg-accent-soft px-2 py-1 text-xs font-medium text-accent transition hover:border-accent hover:bg-accent/15"
+                    @click="openEdit(u)"
+                  >
+                    <PhNotePencil :size="13" weight="bold" />
+                    编辑
+                  </button>
+                  <button class="inline-flex items-center gap-1 text-xs text-muted transition hover:text-accent" @click="openBalance(u)">
+                    <PhCoins :size="13" />
+                    调余额
+                  </button>
                 </div>
               </td>
             </tr>