统一全局搜索框样式

components/mobile/Home.vue

@@ -341,7 +341,7 @@
     .search-content {
       padding: 0.19rem 0 0.15rem;
       position: absolute;
-      z-index: 11;
+      z-index: 10;
       width: 100%;
       input {
         margin-top: -0.02rem;