chore：输入框样式突出

pages_tool/ai-chat/ai-chat-message.vue

@@ -5336,7 +5336,7 @@ _handleStreamError(msg) {
               margin-bottom: 16rpx;
               padding: 12rpx 28rpx;
               background: #ffffff;
-              border: 1rpx solid #e4e6eb;
+              border: 1rpx solid #eef0f3;
               border-radius: 999rpx;
               font-size: 26rpx;
               color: #1a1a1a;
@@ -5344,7 +5344,7 @@ _handleStreamError(msg) {
               transition: all 0.2s ease;
               max-width: 100%;
               line-height: 1.4;
-              box-shadow: 0 4rpx 12rpx rgba(0, 0, 0, 0.08);
+              box-shadow: 0 6rpx 20rpx rgba(0, 0, 0, 0.14);
 
               &:last-child {
                 margin-bottom: 0;
@@ -5826,7 +5826,8 @@ _handleStreamError(msg) {
       border-radius: 999rpx;
       padding: 18rpx 14rpx 18rpx 32rpx;
       min-height: 108rpx;
-      box-shadow: 0 2rpx 12rpx rgba(0, 0, 0, 0.06);
+      /* 与快捷问题按钮(.quick-question-chip)同款阴影, 白底更突出 */
+      box-shadow: 0 6rpx 20rpx rgba(0, 0, 0, 0.14);
 
       /* 无文字时左侧语音图标,点击打开语音面板
          PR-INPUT-LAYOUT-SYMMETRY (2026-09-28): 容器从 52rpx 扩大到 76rpx,
@@ -5965,7 +5966,8 @@ _handleStreamError(msg) {
         background: #ffffff;
         border-radius: 28rpx;
         padding: 14rpx 16rpx 6rpx;
-        box-shadow: 0 2rpx 12rpx rgba(0, 0, 0, 0.06);
+        /* 与快捷问题按钮(.quick-question-chip)同款阴影 */
+        box-shadow: 0 6rpx 20rpx rgba(0, 0, 0, 0.14);
       }
 
       &.is-voice-mode .input-row-top,
@@ -5978,20 +5980,21 @@ _handleStreamError(msg) {
       }
     }
 
-    /* 语音模式: 按住说话 */
+    /* 语音模式: 按住说话 (白底 + 快捷问题同款阴影, 与输入胶囊风格统一) */
     .voice-hold-btn {
       display: flex;
       align-items: center;
       justify-content: center;
       height: 96rpx;
       margin: 4rpx 0 8rpx;
-      border-radius: 16rpx;
-      background: #f2f2f3;
+      border-radius: 28rpx;
+      background: #ffffff;
+      box-shadow: 0 6rpx 20rpx rgba(0, 0, 0, 0.14);
       position: relative; // PR-FRONTEND-VOICE-INPUT: 让 .voice-cancel-hint 锚定到这里
       transition: background-color 0.15s ease-out;
 
       &.is-holding {
-        background: #e2e2e4;
+        background: #f2f2f3;
       }
 
       // PR-FRONTEND-VOICE-INPUT (2026-09-24): 上滑到 80px+ 视为取消手势