进行了一些小优化

inc/helpers/aksrt-comments.php

@@ -464,8 +464,12 @@ if (!function_exists('aksrt_comments_render_form')) :
 				return;
 			}
 
+			if (function_exists('aksrt_get_comment_virtual_input_html')) {
+				echo aksrt_get_comment_virtual_input_html($placeholder, '#respond'); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
+			}
 			?>
-			<div id="respond">
+			<div id="respond" class="mobile-fixed">
+				<div class="fixed-body"></div>
 				<form id="commentform" method="post" action="<?php echo esc_url(site_url('/wp-comments-post.php')); ?>">
 					<div class="flex ac">
 							<div class="comt-title text-center flex0 mr10">

inc/helpers/comments/form-parts.php

@@ -1,8 +1,8 @@
 <?php
 /**
- * Comment form partials — expand toolbar (legacy DOM contract).
+ * Comment form partials — virtual-input + expand toolbar (legacy DOM contract).
  *
- * Mirrors legacy()
+ * Mirrors legacy() and legacy()
  * from legacy/inc/functions.
  *
  * @package AKSRT
@@ -10,6 +10,31 @@
 
 defined('ABSPATH') || exit;
 
+if (!function_exists('aksrt_get_comment_virtual_input_html')) :
+	/**
+	 * Mobile virtual input bar (legacy: legacy).
+	 *
+	 * @param string $placeholder Placeholder text.
+	 * @param string $target      CSS selector for the FixedInput target.
+	 * @return string
+	 */
+	function aksrt_get_comment_virtual_input_html(string $placeholder = '', string $target = '#respond'): string {
+		$user_id = get_current_user_id();
+		$avatar  = get_avatar($user_id, 36, '', '', ['class' => 'avatar']);
+		if ($placeholder === '') {
+			$placeholder = __('说点什么吧...', 'aksrt');
+		}
+		$html  = '<div class="flex ac jsb virtual-input" fixed-input="' . esc_attr($target) . '">';
+		$html .= '<div class="flex flex1 ac">';
+		$html .= $avatar;
+		$html .= '<div class="text-ellipsis simulation mr10">' . esc_html($placeholder) . '</div>';
+		$html .= '</div>';
+		$html .= '<span class="but c-blue">' . esc_html__('提交', 'aksrt') . '</span>';
+		$html .= '</div>';
+		return $html;
+	}
+endif;
+
 if (!function_exists('aksrt_get_input_expand_but')) :
 	/**
 	 * legacy-style expand toolbar button + dropdown (legacy: legacy).