移除侧边栏 logo 区域的量化工具文案

frontend/src/components/Layout.tsx

@@ -74,11 +74,8 @@ export function Layout() {
             <div>工作台</div>
           </div>
         </div>
-        <div className="mt-2.5 text-[10px] uppercase tracking-[0.22em] text-secondary">
-          量化工具
-        </div>
         <div
-          className="mt-3 h-px"
+          className="mt-4 h-px"
           style={{ background: `linear-gradient(90deg, ${BRAND}88, transparent 80%)` }}
         />
       </div>