fix: Search box is forbidden in iOS

layout/_third-party/search/localsearch.pug

@@ -191,7 +191,7 @@ script.
           $result.html(resultInnerHtml);
         };
         $input.on('input', searchPost);
-        $input.on('keypress', function (e) {
+        $input.on('keyup', function (e) {
           if (e.keyCode === Stun.utils.codeToKeyCode('Enter')) {
             searchPost();
           }

source/css/_common/components/search/common.styl

@@ -43,7 +43,6 @@ search-input-padding = 1rem;
       background-color: var(--color-gray-200);
       outline: 0;
       transition: border-color .3s;
-      user-select: none;
 
       &:hover,
       &:focus {