diff --git a/mobile-uni/src/components/chat/ChatComposer.vue b/mobile-uni/src/components/chat/ChatComposer.vue
index 1291f6ff..49964ac0 100644
--- a/mobile-uni/src/components/chat/ChatComposer.vue
+++ b/mobile-uni/src/components/chat/ChatComposer.vue
@@ -77,21 +77,21 @@
           :disabled="disabled || item.disabled"
           @click="panelAction(item.key)"
         >
-          <text class="panel-item-icon">{{ item.icon }}</text>
+          <view class="panel-item-icon"><uni-icons :type="item.icon" size="24" color="#3a4350" /></view>
           <text class="panel-item-label">{{ item.label }}</text>
         </button>
       </template>
       <template v-else>
         <button class="panel-item" :disabled="disabled" @click="panelEmit('pick-media')">
-          <text class="panel-item-icon">🖼</text>
+          <view class="panel-item-icon"><uni-icons type="image" size="24" color="#3a4350" /></view>
           <text class="panel-item-label">图片/视频</text>
         </button>
         <button class="panel-item" :disabled="disabled || transcribing" @click="panelEmit('pick-audio')">
-          <text class="panel-item-icon">🎵</text>
+          <view class="panel-item-icon"><uni-icons type="sound" size="24" color="#3a4350" /></view>
           <text class="panel-item-label">选音频转文字</text>
         </button>
         <button v-if="toolLabel" class="panel-item" :disabled="disabled" @click="panelEmit('tool')">
-          <text class="panel-item-icon">📊</text>
+          <view class="panel-item-icon"><uni-icons type="list" size="24" color="#3a4350" /></view>
           <text class="panel-item-label">{{ toolLabel }}</text>
         </button>
       </template>
@@ -432,7 +432,7 @@ defineExpose({ teardown, setDraft });
   border: 1px solid #e6e9ed;
   border-radius: 14px;
   background: #ffffff;
-  font-size: 24px;
+  line-height: 1;
 }
 
 .panel-item-label {
diff --git a/mobile-uni/src/pages/candidate/interview/index.vue b/mobile-uni/src/pages/candidate/interview/index.vue
index 9325e8e3..c1d7d577 100644
--- a/mobile-uni/src/pages/candidate/interview/index.vue
+++ b/mobile-uni/src/pages/candidate/interview/index.vue
@@ -1,7 +1,7 @@
 <template>
   <view class="page candidate-subpage interview-page">
     <view class="subpage-header">
-      <button class="subpage-back-button" aria-label="返回候选首页" title="返回候选首页" @click="goBack">←</button>
+      <button class="subpage-back-button" aria-label="返回候选首页" title="返回候选首页" @click="goBack"><uni-icons type="back" size="20" color="#25282d" /></button>
       <view class="subpage-heading">
         <text class="page-title">面试任务</text>
         <text class="page-subtitle">生活顾问结构化面试</text>
diff --git a/mobile-uni/src/pages/candidate/materials/index.vue b/mobile-uni/src/pages/candidate/materials/index.vue
index 21d7c712..cb4ac97b 100644
--- a/mobile-uni/src/pages/candidate/materials/index.vue
+++ b/mobile-uni/src/pages/candidate/materials/index.vue
@@ -1,7 +1,7 @@
 <template>
   <view class="page candidate-subpage materials-page">
     <view class="subpage-header">
-      <button class="subpage-back-button" aria-label="返回候选首页" title="返回候选首页" @click="goBack">←</button>
+      <button class="subpage-back-button" aria-label="返回候选首页" title="返回候选首页" @click="goBack"><uni-icons type="back" size="20" color="#25282d" /></button>
       <view class="subpage-heading">
         <text class="page-title">补充资料</text>
         <text class="page-subtitle">提交简历、证书或相关图片</text>
diff --git a/mobile-uni/src/pages/candidate/progress/index.vue b/mobile-uni/src/pages/candidate/progress/index.vue
index 8f6db54b..a7391c1d 100644
--- a/mobile-uni/src/pages/candidate/progress/index.vue
+++ b/mobile-uni/src/pages/candidate/progress/index.vue
@@ -1,7 +1,7 @@
 <template>
   <view class="page candidate-record-page">
     <view class="record-header">
-      <button class="back-button" aria-label="返回候选首页" @click="goBack">←</button>
+      <button class="back-button" aria-label="返回候选首页" @click="goBack"><uni-icons type="back" size="22" color="#111111" /></button>
       <view>
         <text class="page-title">面试记录</text>
         <text class="page-subtitle">{{ latestRecord ? `${latestRecord.time} · ${latestRecord.position}` : '面试与资料审核状态' }}</text>
@@ -155,15 +155,17 @@ onShow(() => {
 }
 
 .back-button {
+  display: flex;
   width: 28px;
   min-width: 28px;
   height: 28px;
+  align-items: center;
+  justify-content: center;
   padding: 0;
   border: 0;
   background: transparent;
   color: #111;
-  font-size: 24px;
-  line-height: 28px;
+  line-height: 1;
 }
 
 .page-subtitle {
diff --git a/mobile-uni/src/pages/candidate/study/index.vue b/mobile-uni/src/pages/candidate/study/index.vue
index 25390ca0..942df4da 100644
--- a/mobile-uni/src/pages/candidate/study/index.vue
+++ b/mobile-uni/src/pages/candidate/study/index.vue
@@ -1,7 +1,7 @@
 <template>
   <view class="page candidate-subpage study-page">
     <view class="subpage-header">
-      <button class="subpage-back-button" aria-label="返回候选首页" title="返回候选首页" @click="goBack">←</button>
+      <button class="subpage-back-button" aria-label="返回候选首页" title="返回候选首页" @click="goBack"><uni-icons type="back" size="20" color="#25282d" /></button>
       <view class="subpage-heading">
         <text class="page-title">岗前预习</text>
         <text class="page-subtitle">从正式知识库生成岗位要点</text>
diff --git a/mobile-uni/src/pages/supervisor/assign/index.vue b/mobile-uni/src/pages/supervisor/assign/index.vue
index 3487866b..6a75e7a2 100644
--- a/mobile-uni/src/pages/supervisor/assign/index.vue
+++ b/mobile-uni/src/pages/supervisor/assign/index.vue
@@ -1,7 +1,7 @@
 <template>
   <view class="page assign-page">
     <view class="subpage-header">
-      <button class="subpage-back-button" aria-label="返回" title="返回" :disabled="assigning" @click="goBack">←</button>
+      <button class="subpage-back-button" aria-label="返回" title="返回" :disabled="assigning" @click="goBack"><uni-icons type="back" size="20" color="#25282d" /></button>
       <view class="subpage-heading">
         <text class="page-title">指派专项</text>
         <text class="page-subtitle">{{ selectedTargetLabel }}</text>
@@ -737,13 +737,16 @@ onBeforeUnmount(() => {
 }
 
 .text-button {
+  display: inline-flex;
   min-height: 32px;
+  align-items: center;
+  justify-content: center;
   padding: 0 8px;
   border: 0;
   background: transparent;
   color: var(--employee-primary);
   font-size: 12px;
-  line-height: 32px;
+  line-height: 1.2;
 }
 
 .field-input,
diff --git a/mobile-uni/src/pages/supervisor/exams/edit.vue b/mobile-uni/src/pages/supervisor/exams/edit.vue
index 944db2e4..eca34428 100644
--- a/mobile-uni/src/pages/supervisor/exams/edit.vue
+++ b/mobile-uni/src/pages/supervisor/exams/edit.vue
@@ -1,7 +1,7 @@
 <template>
   <view class="page exam-edit-page">
     <view class="subpage-header">
-      <button class="subpage-back-button" aria-label="返回考试列表" :disabled="saving" @click="goBack">←</button>
+      <button class="subpage-back-button" aria-label="返回考试列表" :disabled="saving" @click="goBack"><uni-icons type="back" size="20" color="#25282d" /></button>
       <view class="subpage-heading"><text class="page-title">{{ examId ? '编辑考试' : '新建考试' }}</text><text class="page-subtitle">发布后冻结题目版本，已派发试卷不随草稿变化。</text></view>
     </view>
     <text v-if="message" class="status-message">{{ message }}</text>
diff --git a/mobile-uni/src/pages/supervisor/exams/index.vue b/mobile-uni/src/pages/supervisor/exams/index.vue
index e88487df..e0b67ff3 100644
--- a/mobile-uni/src/pages/supervisor/exams/index.vue
+++ b/mobile-uni/src/pages/supervisor/exams/index.vue
@@ -1,7 +1,7 @@
 <template>
   <view class="page supervisor-exams-page">
     <view class="subpage-header">
-      <button class="subpage-back-button" aria-label="返回主管首页" @click="goBack">←</button>
+      <button class="subpage-back-button" aria-label="返回主管首页" @click="goBack"><uni-icons type="back" size="20" color="#25282d" /></button>
       <view class="subpage-heading"><text class="page-title">岗前测试</text><text class="page-subtitle">按岗位组卷、选择真实员工并查看完成情况。</text></view>
     </view>
     <button class="primary-button create-button" @click="createExam">新建考试</button>
diff --git a/mobile-uni/src/pages/supervisor/exams/results.vue b/mobile-uni/src/pages/supervisor/exams/results.vue
index eb9ee84a..f0aabae6 100644
--- a/mobile-uni/src/pages/supervisor/exams/results.vue
+++ b/mobile-uni/src/pages/supervisor/exams/results.vue
@@ -1,6 +1,6 @@
 <template>
   <view class="page exam-results-page">
-    <view class="subpage-header"><button class="subpage-back-button" aria-label="返回" @click="goBack">←</button><view class="subpage-heading"><text class="page-title">考试结果</text><text class="page-subtitle">按人员查看成绩、未完成与通过状态。</text></view></view>
+    <view class="subpage-header"><button class="subpage-back-button" aria-label="返回" @click="goBack"><uni-icons type="back" size="20" color="#25282d" /></button><view class="subpage-heading"><text class="page-title">考试结果</text><text class="page-subtitle">按人员查看成绩、未完成与通过状态。</text></view></view>
     <text v-if="message" class="status-message">{{ message }}</text>
     <view class="metric-grid">
       <view class="metric-card"><text>{{ results.length }}</text><label>已派发</label></view>
diff --git a/mobile-uni/src/pages/supervisor/review/index.vue b/mobile-uni/src/pages/supervisor/review/index.vue
index 8fea1bc8..874dee62 100644
--- a/mobile-uni/src/pages/supervisor/review/index.vue
+++ b/mobile-uni/src/pages/supervisor/review/index.vue
@@ -1,7 +1,7 @@
 <template>
   <view class="page review-page">
     <view class="subpage-header">
-      <button class="subpage-back-button" aria-label="返回待复盘" title="返回待复盘" @click="goBack">←</button>
+      <button class="subpage-back-button" aria-label="返回待复盘" title="返回待复盘" @click="goBack"><uni-icons type="back" size="20" color="#25282d" /></button>
       <view class="subpage-heading">
         <text class="page-title">复盘详情</text>
         <text class="page-subtitle">{{ detail ? `${detail.trainee} · ${detail.scene}` : '训练记录' }}</text>
diff --git a/mobile-uni/src/pages/supervisor/reviews/index.vue b/mobile-uni/src/pages/supervisor/reviews/index.vue
index ba3d1aee..121d5db1 100644
--- a/mobile-uni/src/pages/supervisor/reviews/index.vue
+++ b/mobile-uni/src/pages/supervisor/reviews/index.vue
@@ -1,7 +1,7 @@
 <template>
   <view class="page reviews-page">
     <view class="subpage-header">
-      <button class="subpage-back-button" aria-label="返回主管首页" title="返回主管首页" @click="goBack">←</button>
+      <button class="subpage-back-button" aria-label="返回主管首页" title="返回主管首页" @click="goBack"><uni-icons type="back" size="20" color="#25282d" /></button>
       <view class="subpage-heading">
         <text class="page-title">待复盘</text>
         <text class="page-subtitle">{{ reviewCountText }}</text>
diff --git a/mobile-uni/src/pages/supervisor/team/index.vue b/mobile-uni/src/pages/supervisor/team/index.vue
index 11e75a14..c9e21407 100644
--- a/mobile-uni/src/pages/supervisor/team/index.vue
+++ b/mobile-uni/src/pages/supervisor/team/index.vue
@@ -1,7 +1,7 @@
 <template>
   <view class="page team-page">
     <view class="subpage-header">
-      <button class="subpage-back-button" aria-label="返回主管首页" title="返回主管首页" @click="goBack">←</button>
+      <button class="subpage-back-button" aria-label="返回主管首页" title="返回主管首页" @click="goBack"><uni-icons type="back" size="20" color="#25282d" /></button>
       <view class="subpage-heading">
         <text class="page-title">团队画像</text>
         <text class="page-subtitle">{{ teamProfiles.length }} 名成员</text>
diff --git a/mobile-uni/src/pages/user/assistant/memories.vue b/mobile-uni/src/pages/user/assistant/memories.vue
index a94665a3..efbfa505 100644
--- a/mobile-uni/src/pages/user/assistant/memories.vue
+++ b/mobile-uni/src/pages/user/assistant/memories.vue
@@ -1,7 +1,7 @@
 <template>
   <view class="page employee-page-shell memories-page">
     <view class="subpage-header">
-      <button class="subpage-back-button" aria-label="返回" @click="goBack">←</button>
+      <button class="subpage-back-button" aria-label="返回" @click="goBack"><uni-icons type="back" size="20" color="#25282d" /></button>
       <view class="subpage-heading">
         <text class="employee-kicker">工作助手</text>
         <text class="page-title">我的资料与记忆</text>
diff --git a/mobile-uni/src/pages/user/cases/index.vue b/mobile-uni/src/pages/user/cases/index.vue
index 313c178f..44af7acf 100644
--- a/mobile-uni/src/pages/user/cases/index.vue
+++ b/mobile-uni/src/pages/user/cases/index.vue
@@ -7,7 +7,7 @@
         title="返回今日"
         @click="navigateBackToToday"
       >
-        ←
+        <uni-icons type="back" size="20" color="#25282d" />
       </button>
       <view class="subpage-heading">
         <text class="page-title">案例素材</text>
diff --git a/mobile-uni/src/pages/user/exam/index.vue b/mobile-uni/src/pages/user/exam/index.vue
index f785e815..96d60dd3 100644
--- a/mobile-uni/src/pages/user/exam/index.vue
+++ b/mobile-uni/src/pages/user/exam/index.vue
@@ -1,7 +1,7 @@
 <template>
   <view class="page employee-page-shell exam-page">
     <view class="subpage-header">
-      <button class="subpage-back-button" aria-label="返回学习" :disabled="submitting" @click="goBack">←</button>
+      <button class="subpage-back-button" aria-label="返回学习" :disabled="submitting" @click="goBack"><uni-icons type="back" size="20" color="#25282d" /></button>
       <view class="subpage-heading">
         <text class="employee-kicker">岗前 / 入职考试</text>
         <text class="page-title">{{ exam?.title || '考试任务' }}</text>
@@ -39,7 +39,7 @@
               :disabled="Boolean(result)"
               @click="toggleOption(item, option)"
             >
-              <text class="option-marker">{{ isSelected(item, option) ? '✓' : '' }}</text>
+              <text class="option-marker"><uni-icons v-if="isSelected(item, option)" type="checkmark" size="13" color="#e60012" /></text>
               <text>{{ option }}</text>
             </button>
           </view>
@@ -178,7 +178,7 @@ onBeforeUnmount(() => speechController.destroy());
 .option-list { display: grid; gap: 9px; }
 .option-button { display: flex; gap: 10px; min-height: 48px; align-items: center; padding: 10px 12px; border: 1px solid var(--line); background: #fff; color: var(--ink); text-align: left; }
 .option-button.selected { border-color: #ef9ca4; background: var(--employee-primary-soft); }
-.option-marker { flex: 0 0 24px; height: 24px; border: 1px solid #c8d0db; border-radius: 50%; color: var(--brand); line-height: 22px; text-align: center; }
+.option-marker { display: flex; flex: 0 0 24px; height: 24px; align-items: center; justify-content: center; border: 1px solid #c8d0db; border-radius: 50%; color: var(--brand); line-height: 1; text-align: center; }
 .short-answer { min-height: 120px; }
 .explanation { display: grid; gap: 6px; padding: 12px; border-radius: 10px; background: #f1f6fb; color: #435268; font-size: 13px; line-height: 1.6; }
 .explanation-title { font-weight: 900; }
diff --git a/mobile-uni/src/pages/user/history/index.vue b/mobile-uni/src/pages/user/history/index.vue
index 5f3c5254..7befe66b 100644
--- a/mobile-uni/src/pages/user/history/index.vue
+++ b/mobile-uni/src/pages/user/history/index.vue
@@ -1,7 +1,7 @@
 <template>
   <view class="page history-detail-page">
     <view class="subpage-header">
-      <button class="subpage-back-button" aria-label="返回我的页面" title="返回我的页面" @click="goBack">←</button>
+      <button class="subpage-back-button" aria-label="返回我的页面" title="返回我的页面" @click="goBack"><uni-icons type="back" size="20" color="#25282d" /></button>
       <view class="subpage-heading">
         <text class="page-title">训练详情</text>
         <text class="page-subtitle">{{ detail ? `${detail.scene} · ${detail.time}` : '训练记录' }}</text>
@@ -175,16 +175,18 @@ onUnload(releaseAudio);
 }
 
 .subpage-back-button {
+  display: flex;
   width: 36px;
   min-width: 36px;
   height: 36px;
+  align-items: center;
+  justify-content: center;
   padding: 0;
   border: 1px solid #e1e2e5;
   border-radius: 8px;
   background: #fff;
   color: #25282d;
-  font-size: 20px;
-  line-height: 34px;
+  line-height: 1;
 }
 
 .subpage-heading {
diff --git a/mobile-uni/src/pages/user/learning/index.vue b/mobile-uni/src/pages/user/learning/index.vue
index e3c55eec..5f929efd 100644
--- a/mobile-uni/src/pages/user/learning/index.vue
+++ b/mobile-uni/src/pages/user/learning/index.vue
@@ -7,7 +7,7 @@
         title="返回今日"
         @click="navigateBackToToday"
       >
-        ←
+        <uni-icons type="back" size="20" color="#25282d" />
       </button>
       <view class="subpage-heading">
         <text class="page-title">学</text>
diff --git a/mobile-uni/src/pages/user/points/index.vue b/mobile-uni/src/pages/user/points/index.vue
index 26bb7e50..4e6389fd 100644
--- a/mobile-uni/src/pages/user/points/index.vue
+++ b/mobile-uni/src/pages/user/points/index.vue
@@ -1,7 +1,7 @@
 <template>
   <view class="page employee-page-shell points-page">
     <view class="subpage-header">
-      <button class="subpage-back-button" aria-label="返回" @click="goBack">←</button>
+      <button class="subpage-back-button" aria-label="返回" @click="goBack"><uni-icons type="back" size="20" color="#25282d" /></button>
       <view class="subpage-heading">
         <text class="employee-kicker">积分与学分分账</text>
         <text class="page-title">我的积分</text>
diff --git a/mobile-uni/src/pages/user/practice/index.vue b/mobile-uni/src/pages/user/practice/index.vue
index 4051baff..0f9f663d 100644
--- a/mobile-uni/src/pages/user/practice/index.vue
+++ b/mobile-uni/src/pages/user/practice/index.vue
@@ -60,7 +60,7 @@
       </view>
       <view v-if="recentPracticeItems.length" class="assignment-list">
         <view v-for="item in recentPracticeItems" :key="item.id" class="assignment-row recent-row" :class="{ highlighted: item.assignment && highlightedAssignmentId === item.assignment.id }" @click="openRecentItem(item)">
-          <view class="recent-icon" aria-hidden="true">{{ item.icon }}</view>
+          <view class="recent-icon" aria-hidden="true"><uni-icons :type="item.icon" size="22" color="#e60012" /></view>
           <view class="assignment-copy">
             <text v-if="item.sourceLabel" class="assignment-badge" :class="item.assignment?.source || 'manual'">
               {{ item.sourceLabel }}
@@ -186,7 +186,13 @@
                     :class="{ playing: isTurnPlaying(index) }"
                     @click="playTurnVoice(index, turn.text)"
                   >
-                    <text class="voice-icon">{{ isTurnPlaying(index) ? '◼' : '🔊' }}</text>
+                    <uni-icons
+                      class="voice-icon"
+                      :class="{ playing: isTurnPlaying(index) }"
+                      type="sound"
+                      size="17"
+                      :color="isTurnPlaying(index) ? '#e70014' : '#5a6270'"
+                    />
                     <text class="voice-duration">{{ turnVoiceLabel(index) }}</text>
                   </view>
                   <view v-if="turnVoice(index).unread" class="voice-dot" />
@@ -465,7 +471,7 @@ const recentPracticeItems = computed<RecentPracticeItem[]>(() => {
       desc: item.status === '已完成' ? '已完成' : '待复盘',
       sourceLabel: assignmentSourceLabel(item.source),
       status: item.status,
-      icon: item.scenarioName?.includes('催费') ? '⌕' : item.scenarioName?.includes('报修') ? '⌁' : '◉',
+      icon: item.scenarioName?.includes('催费') ? 'wallet' : item.scenarioName?.includes('报修') ? 'gear' : 'chatbubble',
       assignment: item
     }));
   const historyItems: RecentPracticeItem[] = practiceHistory.value.map((item) => ({
@@ -473,7 +479,7 @@ const recentPracticeItems = computed<RecentPracticeItem[]>(() => {
     title: item.scene || '场景训练',
     desc: `${item.score || 0} 分 · ${item.status || '已完成'}`,
     status: item.status,
-    icon: item.scene?.includes('催费') ? '⌕' : item.scene?.includes('报修') ? '⌁' : '◉'
+    icon: item.scene?.includes('催费') ? 'wallet' : item.scene?.includes('报修') ? 'gear' : 'chatbubble'
   }));
   return [...assignmentItems, ...historyItems].slice(0, 3);
 });
@@ -572,9 +578,9 @@ const toggleTurnTranscript = (index: number) => {
 };
 
 const practicePanelItems = computed(() => [
-  { key: 'audio', icon: '🎵', label: '选音频转文字', disabled: transcribing.value },
-  { key: 'help', icon: '🧭', label: helpLoading.value ? '求助中…' : '求助 SOP', disabled: helpLoading.value },
-  { key: 'finish', icon: '🏁', label: '结束评分', disabled: !canFinishPractice.value }
+  { key: 'audio', icon: 'sound', label: '选音频转文字', disabled: transcribing.value },
+  { key: 'help', icon: 'help', label: helpLoading.value ? '求助中…' : '求助 SOP', disabled: helpLoading.value },
+  { key: 'finish', icon: 'checkmark', label: '结束评分', disabled: !canFinishPractice.value }
 ]);
 
 const handlePanelAction = (key: string) => {
@@ -2189,9 +2195,7 @@ onUnload(() => {
   margin-right: 12px;
   border-radius: 50%;
   background: var(--employee-primary-soft);
-  color: var(--employee-primary);
-  font-size: 24px;
-  font-weight: 800;
+  line-height: 1;
 }
 
 .recent-row .assignment-copy {
@@ -2461,9 +2465,12 @@ onUnload(() => {
 }
 
 .turn-voice-button {
+  display: flex;
   width: auto;
   min-width: 76px;
-  min-height: 32px;
+  height: 32px;
+  align-items: center;
+  justify-content: center;
   padding: 0 10px;
   border: 1px solid #f2b9bf;
   border-radius: 999px;
@@ -2471,7 +2478,7 @@ onUnload(() => {
   color: #e60012;
   font-size: 12px;
   font-weight: 800;
-  line-height: 30px;
+  line-height: 1.2;
 }
 
 .daily-question-voice {
@@ -2729,10 +2736,18 @@ onUnload(() => {
 }
 
 .voice-icon {
-  font-size: 15px;
   line-height: 1;
 }
 
+.voice-icon.playing {
+  animation: voice-icon-pulse 1s ease-in-out infinite;
+}
+
+@keyframes voice-icon-pulse {
+  0%, 100% { opacity: 1; }
+  50% { opacity: 0.4; }
+}
+
 .voice-duration {
   color: #232a33;
   font-size: 15px;
diff --git a/mobile-uni/src/pages/user/questions/detail.vue b/mobile-uni/src/pages/user/questions/detail.vue
index 541e2ff8..81fcfec4 100644
--- a/mobile-uni/src/pages/user/questions/detail.vue
+++ b/mobile-uni/src/pages/user/questions/detail.vue
@@ -1,7 +1,7 @@
 <template>
   <view class="page employee-page-shell detail-page">
     <view class="subpage-header">
-      <button class="subpage-back-button" aria-label="返回问题榜" @click="goBack">←</button>
+      <button class="subpage-back-button" aria-label="返回问题榜" @click="goBack"><uni-icons type="back" size="20" color="#25282d" /></button>
       <view class="subpage-heading">
         <text class="page-title">问题详情</text>
         <text class="page-subtitle">回答经审核后公开，最佳答案按当前规则获得积分或学习学分。</text>
diff --git a/mobile-uni/src/pages/user/questions/index.vue b/mobile-uni/src/pages/user/questions/index.vue
index ccc76f28..20f6422b 100644
--- a/mobile-uni/src/pages/user/questions/index.vue
+++ b/mobile-uni/src/pages/user/questions/index.vue
@@ -1,7 +1,7 @@
 <template>
   <view class="page employee-page-shell question-page">
     <view class="subpage-header">
-      <button class="subpage-back-button" aria-label="返回今日" @click="goToday">←</button>
+      <button class="subpage-back-button" aria-label="返回今日" @click="goToday"><uni-icons type="back" size="20" color="#25282d" /></button>
       <view class="subpage-heading">
         <text class="employee-kicker">广谱师傅</text>
         <text class="page-title">开放问题榜</text>
diff --git a/mobile-uni/src/pages/user/questions/publish.vue b/mobile-uni/src/pages/user/questions/publish.vue
index 2bbcfff1..91141e2e 100644
--- a/mobile-uni/src/pages/user/questions/publish.vue
+++ b/mobile-uni/src/pages/user/questions/publish.vue
@@ -1,7 +1,7 @@
 <template>
   <view class="page employee-page-shell publish-page">
     <view class="subpage-header">
-      <button class="subpage-back-button" aria-label="返回" @click="goBack">←</button>
+      <button class="subpage-back-button" aria-label="返回" @click="goBack"><uni-icons type="back" size="20" color="#25282d" /></button>
       <view class="subpage-heading">
         <text class="page-title">发起求助</text>
         <text class="page-subtitle">员工可发布真实工作问题；有奖征题由运营审核发布。</text>
diff --git a/mobile-uni/src/pages/user/report/index.vue b/mobile-uni/src/pages/user/report/index.vue
index 4d40ce6b..6820a245 100644
--- a/mobile-uni/src/pages/user/report/index.vue
+++ b/mobile-uni/src/pages/user/report/index.vue
@@ -1,7 +1,7 @@
 <template>
   <view class="page report-page employee-page-shell">
     <view class="report-header">
-      <button class="header-button back-button" aria-label="返回" @click="goBack">←</button>
+      <button class="header-button back-button" aria-label="返回" @click="goBack"><uni-icons type="back" size="22" color="#25282d" /></button>
       <view class="report-heading">
         <text class="page-title">工作上报</text>
         <text class="page-subtitle">数字师傅帮你整理</text>
@@ -308,8 +308,8 @@ const mediaSelecting = ref(false);
 const speechState = ref<{ key: string; status: SpeechPlaybackStatus }>({ key: '', status: 'idle' });
 
 const composerPanelItems = [
-  { key: 'media', icon: '🖼', label: '照片/视频' },
-  { key: 'audio', icon: '🎵', label: '选择音频' }
+  { key: 'media', icon: 'image', label: '照片/视频' },
+  { key: 'audio', icon: 'sound', label: '选择音频' }
 ];
 
 let messageSeq = 0;
@@ -1011,13 +1011,17 @@ onUnload(() => {
 }
 
 .play-question {
+  display: flex;
   min-height: 30px;
+  align-items: center;
+  justify-content: center;
   padding: 0 10px;
   border: 1px solid #dde2e8;
   border-radius: 9px;
   background: #ffffff;
   color: #5d6774;
   font-size: 12px;
+  line-height: 1.2;
 }
 
 .system-row {
diff --git a/mobile-uni/src/pages/user/sop/index.vue b/mobile-uni/src/pages/user/sop/index.vue
index 4bafadad..b5a04592 100644
--- a/mobile-uni/src/pages/user/sop/index.vue
+++ b/mobile-uni/src/pages/user/sop/index.vue
@@ -52,7 +52,13 @@
                   :class="{ playing: isVoicePlaying(msg) }"
                   @click="playVoice(msg)"
                 >
-                  <text class="voice-icon">{{ isVoicePlaying(msg) ? '◼' : '🔊' }}</text>
+                  <uni-icons
+                    class="voice-icon"
+                    :class="{ playing: isVoicePlaying(msg) }"
+                    type="sound"
+                    size="17"
+                    :color="isVoicePlaying(msg) ? '#e70014' : '#5a6270'"
+                  />
                   <text class="voice-duration">{{ voiceLabel(msg) }}</text>
                 </view>
                 <view v-if="msg.unread" class="voice-dot" />
@@ -139,7 +145,7 @@
                   :class="{ video: resource.type === 'VIDEO' }"
                   @click="openKnowledgeResource(resource)"
                 >
-                  <view class="resource-icon">{{ resource.type === 'VIDEO' ? '▶' : '文' }}</view>
+                  <view class="resource-icon">{{ resource.type === 'VIDEO' ? '视' : '文' }}</view>
                   <view class="resource-copy">
                     <text class="resource-title">{{ resource.title }}</text>
                     <text class="resource-meta">
@@ -1989,16 +1995,19 @@ onUnload(() => {
 }
 
 .media-remove {
+  display: flex;
   width: 32px;
   min-width: 32px;
   height: 32px;
   min-height: 32px;
+  align-items: center;
+  justify-content: center;
   padding: 0;
   border-radius: 50%;
   background: #ffffff;
   color: var(--employee-muted);
   font-size: 21px;
-  line-height: 32px;
+  line-height: 1;
 }
 
 .answer-title-row {
@@ -2467,10 +2476,18 @@ onUnload(() => {
 }
 
 .voice-icon {
-  font-size: 15px;
   line-height: 1;
 }
 
+.voice-icon.playing {
+  animation: voice-icon-pulse 1s ease-in-out infinite;
+}
+
+@keyframes voice-icon-pulse {
+  0%, 100% { opacity: 1; }
+  50% { opacity: 0.4; }
+}
+
 .voice-duration {
   color: #232a33;
   font-size: 15px;
diff --git a/mobile-uni/src/pages/user/web-ai/index.vue b/mobile-uni/src/pages/user/web-ai/index.vue
index 65ff3d74..c2005f10 100644
--- a/mobile-uni/src/pages/user/web-ai/index.vue
+++ b/mobile-uni/src/pages/user/web-ai/index.vue
@@ -3,7 +3,7 @@
     <view class="chat-head">
       <view class="chat-head-row">
         <view class="chat-head-left">
-          <button class="chat-back" aria-label="返回工作助手" @click="goBack">←</button>
+          <button class="chat-back" aria-label="返回工作助手" @click="goBack"><uni-icons type="back" size="20" color="#25282d" /></button>
           <text class="chat-title">查全网</text>
         </view>
         <text class="chat-context">互联网信息 · 独立来源</text>
@@ -103,7 +103,7 @@
       :transcribing="voiceTranscribing"
       placeholder="例如：最近物业服务行业有哪些官方新规？"
       :maxlength="capabilities?.maxQuestionLength || 500"
-      :panel-items="[{ key: 'audio', icon: '🎵', label: '选音频转文字' }]"
+      :panel-items="[{ key: 'audio', icon: 'sound', label: '选音频转文字' }]"
       @send="handleComposerSend"
       @voice-blob="handleVoiceBlob"
       @panel="handlePanelAction"
@@ -389,16 +389,18 @@ onUnload(() => {
 }
 
 .chat-back {
+  display: flex;
   width: 32px;
   height: 32px;
+  align-items: center;
+  justify-content: center;
   margin: 0;
   padding: 0;
   border: 1px solid #e3e6ea;
   border-radius: 10px;
   background: #ffffff;
   color: #232a33;
-  font-size: 17px;
-  line-height: 30px;
+  line-height: 1;
 }
 
 .chat-title {