diff --git a/assets/js/front-submit.js b/assets/js/front-submit.js
index 1a0ece2e..db942467 100644
--- a/assets/js/front-submit.js
+++ b/assets/js/front-submit.js
@@ -522,7 +522,7 @@
             type: 'image',
             multiple: false,
             allowExternal: false,
-            title: i18n.setVideoCoverTitle || '为视频设置首图封面',
+            title: i18n.setVideoCoverTitle || '为视频设置封面',
             onSelect: function (cover) {
               self.setFeatured('video', {
                 url: current.data.url,
@@ -554,7 +554,7 @@
                   type: 'image',
                   multiple: false,
                   allowExternal: false,
-                  title: i18n.setVideoCoverTitle || '为视频设置首图封面',
+                  title: i18n.setVideoCoverTitle || '为视频设置封面',
                   onSelect: function (cover) {
                     self.setFeatured('video', {
                       url: video.url,
diff --git a/templates/pages/page-submit.php b/templates/pages/page-submit.php
index 697b521b..4a9b6c80 100644
--- a/templates/pages/page-submit.php
+++ b/templates/pages/page-submit.php
@@ -147,8 +147,7 @@ if (file_exists($js)) {
 			'fileTooLarge'  => __('文件大小超过限制', 'aksrt'),
 			'lastSaved'     => __('最后保存：', 'aksrt'),
 			'preview'       => __('预览文章', 'aksrt'),
-			'setVideoCover' => __('设置视频首图封面', 'aksrt'),
-			'setVideoCoverTitle' => __('为视频设置首图封面', 'aksrt'),
+			'setVideoCoverTitle' => __('为视频设置封面', 'aksrt'),
 			'close'         => __('关闭', 'aksrt'),
 			'insertImage'   => __('插入图片', 'aksrt'),
 			'uploadImage'   => __('上传图片', 'aksrt'),
diff --git a/templates/parts/submit/featured.php b/templates/parts/submit/featured.php
index be258163..9cc37b92 100644
--- a/templates/parts/submit/featured.php
+++ b/templates/parts/submit/featured.php
@@ -47,8 +47,10 @@ $can_video = !empty($ctx['can_cover_video']);
 			</button>
 		<?php endif; ?>
 		<?php if ($can_video) : ?>
-			<button type="button" class="but btn-video-pic" data-featured-action="video_pic">
-				<i class="fa fas fa-image"></i> <?php esc_html_e('设置视频首图封面', 'aksrt'); ?>
+			<button type="button" class="but btn-video-pic" data-featured-action="video_pic"
+				title="<?php esc_attr_e('设置视频封面', 'aksrt'); ?>"
+				aria-label="<?php esc_attr_e('设置视频封面', 'aksrt'); ?>">
+				<i class="fa fas fa-image"></i>
 			</button>
 		<?php endif; ?>
 		<?php if ($can_slide) : ?>
@@ -57,12 +59,16 @@ $can_video = !empty($ctx['can_cover_video']);
 			</button>
 		<?php endif; ?>
 		<?php if ($can_video) : ?>
-			<button type="button" class="but btn-video" data-featured-action="video">
-				<i class="fa fas fa-video"></i> <?php esc_html_e('视频', 'aksrt'); ?>
+			<button type="button" class="but btn-video" data-featured-action="video"
+				title="<?php esc_attr_e('视频', 'aksrt'); ?>"
+				aria-label="<?php esc_attr_e('视频', 'aksrt'); ?>">
+				<i class="fa fas fa-video"></i>
 			</button>
 		<?php endif; ?>
-		<button type="button" class="but c-red btn-delete" data-featured-action="close" <?php echo $type === '' ? 'hidden' : ''; ?>>
-			<i class="fa fas fa-trash-alt"></i> <?php esc_html_e('清除', 'aksrt'); ?>
+		<button type="button" class="but c-red btn-delete" data-featured-action="close" <?php echo $type === '' ? 'hidden' : ''; ?>
+			title="<?php esc_attr_e('清除', 'aksrt'); ?>"
+			aria-label="<?php esc_attr_e('清除', 'aksrt'); ?>">
+			<i class="fa fas fa-trash-alt"></i>
 		</button>
 	</div>
 	<input type="hidden" name="featured_data" value="<?php echo esc_attr(wp_json_encode(['type' => $type, 'data' => $data])); ?>" data-featured-json>
diff --git a/tests/front-submit/video-cover-contract.test.cjs b/tests/front-submit/video-cover-contract.test.cjs
index 62cfad18..1625b35f 100644
--- a/tests/front-submit/video-cover-contract.test.cjs
+++ b/tests/front-submit/video-cover-contract.test.cjs
@@ -17,7 +17,12 @@ test('featured box renders a playable video preview and a video-cover button', (
   assert.match(featured, /fa fas fa-play-circle/);
 
   // The video-cover button is capability-gated like the video button.
-  assert.match(featured, /if \(\$can_video\) : \?>\s*\n\s*<button type="button" class="but btn-video-pic" data-featured-action="video_pic">/);
+  assert.match(featured, /if \(\$can_video\) : \?>\s*\n\s*<button type="button" class="but btn-video-pic" data-featured-action="video_pic"\s*\n\s*title="<\?php esc_attr_e\('设置视频封面', 'aksrt'\); \?>"/);
+
+  // The video row (video cover / video / clear) is icon-only with hover titles.
+  assert.match(featured, /btn-video" data-featured-action="video"\s*\n\s*title="<\?php esc_attr_e\('视频', 'aksrt'\); \?>"\s*\n\s*aria-label="<\?php esc_attr_e\('视频', 'aksrt'\); \?>">\s*\n\s*<i class="fa fas fa-video"><\/i>\s*\n\s*<\/button>/);
+  assert.match(featured, /btn-delete" data-featured-action="close"[\s\S]*?title="<\?php esc_attr_e\('清除', 'aksrt'\); \?>"/);
+  assert.doesNotMatch(featured, /首图|>视频<|>清除</);
 
   // Dead capability attributes are gone.
   assert.doesNotMatch(featured, /data-can-(image|slide|video)=/);
@@ -46,7 +51,9 @@ test('submit.css toggles the video-cover button like the reference theme', () =>
   const css = read('assets/css/frontend/pages/submit.css');
 
   assert.match(css, /\.featured-edit \.btns-full \.btn-video-pic \{\s*\n  display: none;\s*\n\}/);
-  assert.match(css, /\.featured-loaded\.video \.btns-full \.btn-video-pic \{\s*\n  display: inline-flex;\s*\n\}/);
+  assert.match(css, /\.featured-loaded\.video \.btns-full \.btn-video-pic \{\s*\n  display: inline-flex;\s*\n  align-items: center;\s*\n  justify-content: center;\s*\n\}/);
+  assert.match(css, /\.featured-edit \.btns-full \.btn-video,\s*\n\.featured-edit \.btns-full \.btn-delete:not\(\[hidden\]\) \{\s*\n  display: inline-flex;\s*\n  align-items: center;\s*\n  justify-content: center;\s*\n\}/);
+  assert.match(css, /\.featured-edit \.btns-full \.btn-video-pic > \.fa,[\s\S]*?\.featured-edit \.btns-full \.btn-delete > \.fa \{\s*\n  margin-right: 0;\s*\n\}/);
   assert.doesNotMatch(css, /featured-video-placeholder/);
 });
 
@@ -71,8 +78,11 @@ test('i18n exposes the video-cover strings and dead keys are removed', () => {
   const editorJs = read('assets/js/front-submit-editor.js');
   const submitJs = read('assets/js/front-submit.js');
 
-  assert.match(page, /'setVideoCover' => __\('设置视频首图封面', 'aksrt'\)/);
-  assert.match(page, /'setVideoCoverTitle' => __\('为视频设置首图封面', 'aksrt'\)/);
+  assert.match(page, /'setVideoCoverTitle' => __\('为视频设置封面', 'aksrt'\)/);
+  // The unused setVideoCover key died with the visible button label it served.
+  assert.doesNotMatch(page, /'setVideoCover' =>/);
+  assert.doesNotMatch(page, /首图/);
+  assert.doesNotMatch(submitJs, /首图/);
   assert.doesNotMatch(page, /'(pickImage|pickVideo|pickVideoCover|pickVideoResource|videoUrl)'/);
 
   // data-video-name / mediaUrl stay: pinned by tinymce.css and the