diff --git a/design/prototype/atoms.css b/design/prototype/atoms.css
index f45d424..c25a0f6 100644
--- a/design/prototype/atoms.css
+++ b/design/prototype/atoms.css
@@ -647,7 +647,7 @@
 .device-row .dv-trail { flex-shrink: 0; display: inline-flex; align-items: center; gap: var(--space-2); }
 
 /* SETTING ROW · 设置/导航行（对齐 settings _Row/_NavRow：icon-box + 标题 + 副标 + trailing） */
-.setting-row { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--border); }
+.setting-row { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-3) var(--space-4); width: 100%; background: transparent; border: none; border-bottom: 1px solid var(--border); text-align: left; }
 .setting-row:last-child { border-bottom: none; }
 .setting-row.is-tap { cursor: pointer; transition: background-color var(--dur-fast) var(--ease-out); }
 .setting-row.is-tap:hover { background: var(--bg-subtle); }