diff --git a/static/style-3.css b/static/style-3.css
index 9a31de2..447fec7 100644
--- a/static/style-3.css
+++ b/static/style-3.css
@@ -800,4 +800,41 @@ select:disabled {
         width: 14px;
         height: 14px;
     }
+}
+
+/* ---------- Tab 栏 ---------- */
+.tab-bar {
+    display: flex;
+    gap: 32px;
+    padding: 14px 0 12px;
+    flex-shrink: 0;
+    border-bottom: 1px solid var(--border-subtle);
+}
+
+/* 将最后一个 Tab（用户配置）推到最右侧 */
+.tab-item:last-child {
+    margin-left: auto;
+    /* 防止用户名过长导致溢出 */
+    max-width: 220px;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+}
+
+.tab-item {
+    font-size: 14px;
+    color: var(--text-muted);
+    cursor: pointer;
+    padding: 4px 0;
+    transition: color 0.3s, border-color 0.3s;
+    border-bottom: 2px solid transparent;
+}
+
+.tab-item:hover {
+    color: var(--text-secondary);
+}
+
+.tab-item.active {
+    color: var(--primary-blue);
+    border-bottom-color: var(--primary-blue);
 }
\ No newline at end of file