diff --git a/assets/css/frontend/resource-meta/part.css b/assets/css/frontend/resource-meta/part.css
index b8e05418..27fecfc7 100644
--- a/assets/css/frontend/resource-meta/part.css
+++ b/assets/css/frontend/resource-meta/part.css
@@ -242,6 +242,48 @@
     margin: 0;
 }
 
+/* 下载按钮 + 复制/备注按钮并排，对应参考主题的 .but-download.flex.ac */
+.resource-download-box__row {
+    display: flex;
+    align-items: stretch;
+    gap: 8px;
+}
+
+.resource-download-box__row > .resource-download-box__btn {
+    flex: 1 1 auto;
+    min-width: 0;
+}
+
+/* 提取码 / 点击复制按钮 */
+.resource-download-box__btn--extract {
+    flex: 0 0 auto;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    gap: 6px;
+    min-height: 44px;
+    padding: 10px 14px;
+    border: 1px dashed var(--main-border-color, rgb(132 145 165 / 35%));
+    border-radius: 10px;
+    background: var(--muted-bg-color, rgb(132 145 165 / 8%));
+    color: var(--muted-color, #6b7280);
+    font-size: 13px;
+    font-weight: 600;
+    line-height: 1.3;
+    cursor: pointer;
+    transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
+}
+
+.resource-download-box__btn--extract:hover {
+    border-color: var(--focus-color, #f04494);
+    background: var(--focus-color-opacity1, rgb(240 68 148 / 10%));
+    color: var(--focus-color, #f04494);
+}
+
+.resource-download-box__btn--extract:active {
+    transform: scale(0.98);
+}
+
 /* 下载按钮 */
 .resource-download-box__btn {
     display: flex;
@@ -734,6 +776,33 @@
     margin: 0;
 }
 
+/* ---- 下载按钮 + 复制/备注按钮并排 ---- */
+.resource-mobile-download-bar .resource-download-box__row {
+    display: flex;
+    align-items: stretch;
+    gap: 8px;
+}
+
+.resource-mobile-download-bar .resource-download-box__row > .resource-download-box__btn {
+    flex: 1 1 auto;
+    min-width: 0;
+}
+
+/* ---- 提取码 / 点击复制按钮 ---- */
+.resource-mobile-download-bar .resource-download-box__btn--extract {
+    flex: 0 0 auto;
+    min-height: 50px;
+    padding: 12px 14px;
+    border: 1px dashed var(--main-border-color, rgb(132 145 165 / 35%));
+    border-radius: 10px;
+    background: var(--muted-bg-color, rgb(132 145 165 / 8%));
+    color: var(--muted-color, #6b7280);
+    font-size: 13px;
+    font-weight: 600;
+    cursor: pointer;
+    -webkit-tap-highlight-color: transparent;
+}
+
 /* ---- 下载按钮（核心交互元素）---- */
 .resource-mobile-download-bar .resource-download-box__btn {
     display: flex;
diff --git a/templates/parts/resource-download-box.php b/templates/parts/resource-download-box.php
index ad94f5e4..a15837d2 100644
--- a/templates/parts/resource-download-box.php
+++ b/templates/parts/resource-download-box.php
@@ -374,25 +374,27 @@ if ($is_need_purchase && $user_amount > 0) {
 					}
 				?>
 					<li class="resource-download-box__item">
-							<a
-								class="resource-download-box__btn btn-primary resource-download-box__btn--service-<?php echo esc_attr($service['key']); ?><?php echo esc_attr($btn_modifier); ?><?php echo esc_attr($btn_extra_class); ?>"
-								href="<?php echo esc_url($btn_href); ?>"<?php echo $btn_target; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?><?php echo $btn_rel; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>
-								data-source-index="<?php echo esc_attr((string) $idx); ?>"
-								data-source-type="<?php echo esc_attr($type); ?>"
-								style="--service-color: <?php echo esc_attr($service['color']); ?>"
-							>
-								<?php echo $btn_icon; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>
-								<span><?php echo esc_html($btn_text); ?></span>
-								<span class="resource-download-box__service-badge" style="background: <?php echo esc_attr($service['color']); ?>">
-									<?php echo esc_html($service['name']); ?>
-								</span>
-							</a>
-							<?php if ($has_extract || $has_copy) : ?>
-								<button type="button" class="resource-download-box__btn resource-download-box__btn--extract"
-									data-clipboard-tag="<?php echo esc_attr($has_copy ? ($copy_key !== '' ? $copy_key : __('内容', 'aksrt')) : __('提取码', 'aksrt')); ?>"
-									data-clipboard-text="<?php echo esc_attr($has_copy ? $copy_val : $extract_code); ?>"
-								><?php echo esc_html($has_extract ? $extract_code : ($copy_key !== '' ? $copy_key : __('复制内容', 'aksrt'))); ?></button>
-							<?php endif; ?>
+							<div class="resource-download-box__row">
+								<a
+									class="resource-download-box__btn btn-primary resource-download-box__btn--service-<?php echo esc_attr($service['key']); ?><?php echo esc_attr($btn_modifier); ?><?php echo esc_attr($btn_extra_class); ?>"
+									href="<?php echo esc_url($btn_href); ?>"<?php echo $btn_target; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?><?php echo $btn_rel; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>
+									data-source-index="<?php echo esc_attr((string) $idx); ?>"
+									data-source-type="<?php echo esc_attr($type); ?>"
+									style="--service-color: <?php echo esc_attr($service['color']); ?>"
+								>
+									<?php echo $btn_icon; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>
+									<span><?php echo esc_html($btn_text); ?></span>
+									<span class="resource-download-box__service-badge" style="background: <?php echo esc_attr($service['color']); ?>">
+										<?php echo esc_html($service['name']); ?>
+									</span>
+								</a>
+								<?php if ($has_extract || $has_copy) : ?>
+									<button type="button" class="resource-download-box__btn resource-download-box__btn--extract"
+										data-clipboard-tag="<?php echo esc_attr($has_copy ? ($copy_key !== '' ? $copy_key : __('内容', 'aksrt')) : __('提取码', 'aksrt')); ?>"
+										data-clipboard-text="<?php echo esc_attr($has_copy ? $copy_val : $extract_code); ?>"
+									><?php echo esc_html($has_extract ? $extract_code : ($copy_key !== '' ? $copy_key : __('复制内容', 'aksrt'))); ?></button>
+								<?php endif; ?>
+							</div>
 					</li>
 				<?php endforeach; ?>
 				</ul>
diff --git a/tests/widget-system/download-direct-contract.test.cjs b/tests/widget-system/download-direct-contract.test.cjs
index dea13ea7..1e0d486b 100644
--- a/tests/widget-system/download-direct-contract.test.cjs
+++ b/tests/widget-system/download-direct-contract.test.cjs
@@ -52,6 +52,16 @@ test('the download box renders direct anchors with inline extract codes', () =>
   assert.match(box, /\$btn_text = \$label;/);
   assert.match(box, /resource-download-box__btn--custom/);
 
+  // The copy button must sit beside the anchor (not stacked full-width below it)
+  // and must carry live clipboard attributes the delegated runtime can act on.
+  assert.match(box, /<div class="resource-download-box__row">/);
+  assert.match(box, /resource-download-box__btn--extract/);
+  const css = read('assets/css/frontend/resource-meta/part.css');
+  assert.match(css, /\.resource-download-box__row \{[\s\S]*?display:\s*flex;/);
+  assert.match(css, /\.resource-download-box__btn--extract \{/);
+  // Mobile download bar scopes its own copy-button rule.
+  assert.match(css, /\.resource-mobile-download-bar \.resource-download-box__btn--extract \{/);
+
   // The login gate keeps its own anchor.
   assert.match(box, /\$btn_href = \$login_url;/);
 });