修改语音矩阵

src/components/Adult/preview/VoiceMatrix.vue

@@ -842,6 +842,7 @@ $select-color-brown-active: #a37557;
 
           .pinyin {
             font-family: "GB-PINYINOK-B";
+            opacity: 0.45;
             font-size: 14px;
             line-height: 22px;
           }