优化按钮对齐

public/css/style.css

@@ -263,9 +263,7 @@ header p {
 }
 
 .section-actions-row {
-    display: flex;
-    align-items: center;
-    gap: 1rem;
+    display: block;
     margin-bottom: 1.5rem;
     padding-top: 1rem;
     border-top: 1px solid var(--panel-border);
@@ -276,7 +274,6 @@ header p {
     flex-wrap: nowrap;
     align-items: center;
     gap: 0.5rem;
-    min-width: 0;
     justify-content: flex-start;
 }
 

public/index.html

@@ -42,7 +42,6 @@
                     <h2>Available Videos</h2>
                 </div>
                 <div class="section-actions-row">
-                    <div class="section-divider"></div>
                     <div class="section-actions">
                         <button id="refresh-btn" class="action-btn" title="刷新列表">刷新列表</button>
                         <button id="clear-download-cache-btn" class="action-btn" title="清空下载缓存">清空下载缓存</button>