diff --git a/archive.php b/archive.php
index 8712de3..431dc05 100644
--- a/archive.php
+++ b/archive.php
@@ -10,8 +10,6 @@ $is_itstudio_content_page = $is_itstudio_news_page || $is_itstudio_notice_page;
 <?php if ($is_itstudio_content_page) : ?>
 <?php
 $keyword = isset($_GET['q']) ? sanitize_text_field(wp_unslash($_GET['q'])) : '';
-$date_from = isset($_GET['date_from']) ? sanitize_text_field(wp_unslash($_GET['date_from'])) : '';
-$date_to = isset($_GET['date_to']) ? sanitize_text_field(wp_unslash($_GET['date_to'])) : '';
 $tag_slug = isset($_GET['tag']) ? sanitize_title(wp_unslash($_GET['tag'])) : '';
 $paged = max(1, (int) get_query_var('paged'), (int) get_query_var('page'));
 $active_post_type = $is_itstudio_news_page ? 'news' : 'announcement';
@@ -29,29 +27,6 @@ $empty_en = $is_itstudio_news_page ? 'No news found.' : 'No announcements found.
 $side_title_cn = $is_itstudio_news_page ? '要闻' : '重要公告';
 $side_title_en = $is_itstudio_news_page ? 'Top Stories' : 'Important Announcements';
 
-$date_query = array();
-$date_from_valid = '';
-$date_to_valid = '';
-if ($date_from !== '' && preg_match('/^\d{4}-\d{2}-\d{2}$/', $date_from)) {
-    $date_from_valid = $date_from . ' 00:00:00';
-}
-if ($date_to !== '' && preg_match('/^\d{4}-\d{2}-\d{2}$/', $date_to)) {
-    $date_to_valid = $date_to . ' 23:59:59';
-}
-if ($date_from_valid !== '' || $date_to_valid !== '') {
-    $range = array(
-        'inclusive' => true,
-        'column' => 'post_date',
-    );
-    if ($date_from_valid !== '') {
-        $range['after'] = $date_from_valid;
-    }
-    if ($date_to_valid !== '') {
-        $range['before'] = $date_to_valid;
-    }
-    $date_query[] = $range;
-}
-
 if ($tag_slug !== '') {
     $resolved_tag = get_term_by('slug', $tag_slug, 'post_tag');
     if (!($resolved_tag instanceof WP_Term)) {
@@ -83,9 +58,6 @@ if ($keyword !== '') {
     $list_query_args['itstudio_archive_extend_search'] = true;
     $list_query_args['itstudio_archive_keyword'] = $keyword;
 }
-if (!empty($date_query)) {
-    $list_query_args['date_query'] = $date_query;
-}
 if ($tag_slug !== '') {
     $list_query_args['tax_query'] = array(
         array(
@@ -137,55 +109,34 @@ $featured_ids = array_slice(array_values(array_unique($featured_ids)), 0, 4);
         </header>
 
         <div class="news-archive-tools">
-            <form class="news-archive-filter-form" method="get" action="<?php echo esc_url($archive_url); ?>">
-                <?php if ($keyword !== '') : ?>
-                    <input type="hidden" name="q" value="<?php echo esc_attr($keyword); ?>">
-                <?php endif; ?>
-                <div class="news-archive-filter-fields">
-                    <label class="news-archive-filter-field">
-                        <span data-cn="&#21457;&#24067;&#26102;&#38388;&#36215;" data-en="From">&#21457;&#24067;&#26102;&#38388;&#36215;</span>
-                        <input type="date" name="date_from" value="<?php echo esc_attr($date_from); ?>">
-                    </label>
-                    <label class="news-archive-filter-field">
-                        <span data-cn="&#21457;&#24067;&#26102;&#38388;&#27490;" data-en="To">&#21457;&#24067;&#26102;&#38388;&#27490;</span>
-                        <input type="date" name="date_to" value="<?php echo esc_attr($date_to); ?>">
-                    </label>
-                    <label class="news-archive-filter-field news-archive-filter-tag">
-                        <span data-cn="&#26631;&#31614;" data-en="Tag">&#26631;&#31614;</span>
-                        <select name="tag">
-                            <option value="" data-cn="&#20840;&#37096;&#26631;&#31614;" data-en="All tags">&#20840;&#37096;&#26631;&#31614;</option>
-                            <?php foreach ($available_tags as $tag_option) : ?>
-                                <option value="<?php echo esc_attr($tag_option->slug); ?>" <?php selected($tag_slug, $tag_option->slug); ?>>
-                                    <?php echo esc_html($tag_option->name); ?>
-                                </option>
-                            <?php endforeach; ?>
-                        </select>
-                    </label>
-                </div>
-                <button type="submit" data-cn="&#31579;&#36873;" data-en="Apply">&#31579;&#36873;</button>
-            </form>
-
             <form class="news-archive-search" method="get" action="<?php echo esc_url($archive_url); ?>">
-                <?php if ($date_from !== '') : ?>
-                    <input type="hidden" name="date_from" value="<?php echo esc_attr($date_from); ?>">
-                <?php endif; ?>
-                <?php if ($date_to !== '') : ?>
-                    <input type="hidden" name="date_to" value="<?php echo esc_attr($date_to); ?>">
-                <?php endif; ?>
-                <?php if ($tag_slug !== '') : ?>
-                    <input type="hidden" name="tag" value="<?php echo esc_attr($tag_slug); ?>">
-                <?php endif; ?>
-                <input
-                    type="search"
-                    name="q"
-                    value="<?php echo esc_attr($keyword); ?>"
-                    placeholder="<?php esc_attr_e('Search title or author...', 'itstudio'); ?>"
-                    aria-label="<?php esc_attr_e('Search title or author', 'itstudio'); ?>"
-                    data-cn-placeholder="搜索文章或发布者..."
-                    data-en-placeholder="Search title or author..."
-                    data-cn-aria-label="搜索文章或发布者"
-                    data-en-aria-label="Search title or author"
-                >
+                <div class="news-archive-search-controls">
+                    <input
+                        type="search"
+                        name="q"
+                        value="<?php echo esc_attr($keyword); ?>"
+                        placeholder="<?php esc_attr_e('Search title or author...', 'itstudio'); ?>"
+                        aria-label="<?php esc_attr_e('Search title or author', 'itstudio'); ?>"
+                        data-cn-placeholder="搜索文章或发布者..."
+                        data-en-placeholder="Search title or author..."
+                        data-cn-aria-label="搜索文章或发布者"
+                        data-en-aria-label="Search title or author"
+                    >
+                    <select
+                        name="tag"
+                        class="news-archive-search-tag"
+                        aria-label="<?php esc_attr_e('Filter by tag', 'itstudio'); ?>"
+                        data-cn-aria-label="按标签筛选"
+                        data-en-aria-label="Filter by tag"
+                    >
+                        <option value="" data-cn="全部标签" data-en="All tags">全部标签</option>
+                        <?php foreach ($available_tags as $tag_option) : ?>
+                            <option value="<?php echo esc_attr($tag_option->slug); ?>" <?php selected($tag_slug, $tag_option->slug); ?>>
+                                <?php echo esc_html($tag_option->name); ?>
+                            </option>
+                        <?php endforeach; ?>
+                    </select>
+                </div>
                 <button type="submit" data-cn="搜索" data-en="Search">搜索</button>
             </form>
         </div>
@@ -279,8 +230,6 @@ $featured_ids = array_slice(array_values(array_unique($featured_ids)), 0, 4);
                                 'add_args' => array_filter(
                                     array(
                                         'q' => $keyword,
-                                        'date_from' => $date_from,
-                                        'date_to' => $date_to,
                                         'tag' => $tag_slug,
                                     ),
                                     static function ($value) {
@@ -412,4 +361,3 @@ $featured_ids = array_slice(array_values(array_unique($featured_ids)), 0, 4);
 <?php endif; ?>
 
 <?php get_footer(); ?>
-
diff --git a/assets/css/content.css b/assets/css/content.css
index 031a887..b9107f5 100644
--- a/assets/css/content.css
+++ b/assets/css/content.css
@@ -636,38 +636,50 @@
 
 .news-archive-tools {
   margin-top: 14px;
-  display: grid;
-  grid-template-columns: minmax(0, 1fr) minmax(260px, 380px);
-  gap: 12px;
-  align-items: end;
+  display: block;
 }
 
-.news-archive-filter-form {
+.news-archive-search {
   display: grid;
-  grid-template-columns: minmax(0, 1fr) auto;
+  grid-template-columns: minmax(280px, 560px) auto;
   gap: 8px;
   align-items: end;
+  justify-content: end;
 }
 
-.news-archive-filter-fields {
+.news-archive-search-controls {
   display: grid;
-  grid-template-columns: repeat(3, minmax(0, 1fr));
+  grid-template-columns: minmax(0, 1fr) minmax(116px, 170px);
   gap: 8px;
 }
 
-.news-archive-filter-field {
-  display: grid;
-  gap: 4px;
+.news-archive-search input[type="search"] {
+  appearance: none;
+  -webkit-appearance: none;
+  width: 100%;
+  height: 36px;
+  border: 1px solid var(--border-default);
+  border-radius: var(--radius-sm);
+  background: color-mix(in srgb, var(--bg-card) 90%, transparent);
+  color: var(--text-primary);
+  padding: 0 11px;
+  font-size: 0.88rem;
 }
 
-.news-archive-filter-field span {
-  font-size: 0.72rem;
-  color: var(--text-secondary);
-  font-family: var(--font-mono);
+.news-archive-search input[type="search"]::-webkit-search-decoration,
+.news-archive-search input[type="search"]::-webkit-search-cancel-button,
+.news-archive-search input[type="search"]::-webkit-search-results-button,
+.news-archive-search input[type="search"]::-webkit-search-results-decoration {
+  -webkit-appearance: none;
+  appearance: none;
 }
 
-.news-archive-filter-form input[type="date"],
-.news-archive-filter-form select {
+.news-archive-search input[type="search"]:focus {
+  outline: none;
+  border-color: var(--color-primary);
+}
+
+.news-archive-search select {
   width: 100%;
   height: 36px;
   border: 1px solid var(--border-default);
@@ -678,48 +690,7 @@
   font-size: 0.85rem;
 }
 
-.news-archive-filter-form input[type="date"]:focus,
-.news-archive-filter-form select:focus {
-  outline: none;
-  border-color: var(--color-primary);
-}
-
-.news-archive-filter-form button {
-  height: 36px;
-  padding: 0 12px;
-  border: 1px solid var(--border-default);
-  border-radius: var(--radius-sm);
-  background: transparent;
-  color: var(--text-primary);
-  font-size: 0.86rem;
-  font-weight: 600;
-  cursor: pointer;
-}
-
-.news-archive-filter-form button:hover {
-  border-color: var(--color-primary);
-  color: var(--color-primary);
-}
-
-.news-archive-search {
-  display: grid;
-  grid-template-columns: 1fr auto;
-  gap: 8px;
-  align-self: end;
-}
-
-.news-archive-search input[type="search"] {
-  width: 100%;
-  height: 36px;
-  border: 1px solid var(--border-default);
-  border-radius: var(--radius-sm);
-  background: transparent;
-  color: var(--text-primary);
-  padding: 0 11px;
-  font-size: 0.88rem;
-}
-
-.news-archive-search input[type="search"]:focus {
+.news-archive-search select:focus {
   outline: none;
   border-color: var(--color-primary);
 }
@@ -741,20 +712,42 @@
   color: var(--color-primary);
 }
 
-html:not([data-theme="dark"]) .news-archive-filter-form input[type="date"],
-html:not([data-theme="dark"]) .news-archive-filter-form select {
+html:not([data-theme="dark"]) .news-archive-search select {
   color-scheme: light;
 }
 
-[data-theme="dark"] .news-archive-filter-form input[type="date"],
-[data-theme="dark"] .news-archive-filter-form select {
+html:not([data-theme="dark"]) .news-archive-search input[type="search"] {
+  color-scheme: light;
+}
+
+[data-theme="dark"] .news-archive-search input[type="search"] {
+  background: color-mix(in srgb, var(--bg-card) 92%, #000 8%) !important;
+  color: var(--text-primary) !important;
+  -webkit-text-fill-color: var(--text-primary) !important;
+  color-scheme: dark;
+}
+
+[data-theme="dark"] .news-archive-search input[type="search"]:-webkit-autofill,
+[data-theme="dark"] .news-archive-search input[type="search"]:-webkit-autofill:hover,
+[data-theme="dark"] .news-archive-search input[type="search"]:-webkit-autofill:focus,
+[data-theme="dark"] .news-archive-search input[type="search"]:autofill {
+  -webkit-text-fill-color: var(--text-primary) !important;
+  -webkit-box-shadow: 0 0 0 1000px color-mix(in srgb, var(--bg-card) 92%, #000 8%) inset !important;
+  box-shadow: 0 0 0 1000px color-mix(in srgb, var(--bg-card) 92%, #000 8%) inset !important;
+  background: color-mix(in srgb, var(--bg-card) 92%, #000 8%) !important;
+  border-color: var(--border-default) !important;
+  caret-color: var(--text-primary) !important;
+  transition: background-color 9999s ease-out 0s !important;
+}
+
+[data-theme="dark"] .news-archive-search select {
   background: color-mix(in srgb, var(--bg-card) 92%, #000 8%);
   color: var(--text-primary);
   color-scheme: dark;
 }
 
-[data-theme="dark"] .news-archive-filter-form select option,
-[data-theme="dark"] .news-archive-filter-form select optgroup {
+[data-theme="dark"] .news-archive-search select option,
+[data-theme="dark"] .news-archive-search select optgroup {
   background-color: #0f1724;
   color: var(--text-primary);
 }
@@ -1073,21 +1066,18 @@ html:not([data-theme="dark"]) .news-archive-filter-form select {
     margin-top: 14px;
   }
 
-  .news-archive-tools {
-    grid-template-columns: 1fr;
-  }
-
-  .news-archive-filter-form {
-    grid-template-columns: 1fr;
+  .news-archive-search {
+    grid-template-columns: minmax(0, 1fr) auto;
     align-items: stretch;
   }
 
-  .news-archive-filter-fields {
-    grid-template-columns: 1fr;
+  .news-archive-search-controls {
+    grid-template-columns: minmax(0, 1fr) minmax(106px, 132px);
   }
 
-  .news-archive-search {
-    grid-template-columns: 1fr;
+  .news-archive-search button {
+    min-width: 62px;
+    padding: 0 10px;
   }
 
   .news-story {