diff --git a/src/components/Shell.tsx b/src/components/Shell.tsx
index 71971e3..fde3a0c 100644
--- a/src/components/Shell.tsx
+++ b/src/components/Shell.tsx
@@ -183,7 +183,7 @@ export function Shell({ modules }: { modules: ModuleConfig[] }) {
                 onClick={() => isGroup ? setOpenGroupId((current) => current === m.id ? null : m.id) : switchModule(m.id)}
                 aria-expanded={isGroup ? isOpen : undefined}
                 aria-haspopup={isGroup ? 'menu' : undefined}
-                className={cn('relative flex min-h-12 w-full flex-col items-center justify-center gap-0.5 rounded-2xl text-[10px] font-black transition-colors', isActive ? 'text-blue-700' : 'text-slate-400')}
+                className={cn('relative flex min-h-12 w-full flex-col items-center justify-center gap-0.5 rounded-2xl text-[10px] font-medium transition-colors', isActive ? 'text-blue-700' : 'text-slate-400')}
               >
                 {isActive ? (
                   <motion.span layoutId="mobile-shell-active" className="absolute inset-0 rounded-2xl bg-blue-50 ring-1 ring-blue-100" transition={{ type: 'spring', stiffness: 430, damping: 34 }} />
@@ -197,7 +197,7 @@ export function Shell({ modules }: { modules: ModuleConfig[] }) {
                     const ChildIcon = child.icon;
                     const childActive = child.id === activeModule;
                     return (
-                      <button key={child.id} type="button" role="menuitem" onClick={() => switchModule(child.id)} className={cn('flex h-11 w-full items-center gap-2 rounded-xl px-3 text-xs font-black transition-colors', childActive ? 'bg-blue-50 text-blue-700' : 'text-slate-600 hover:bg-slate-50')}>
+                      <button key={child.id} type="button" role="menuitem" onClick={() => switchModule(child.id)} className={cn('flex h-11 w-full items-center gap-2 rounded-xl px-3 text-xs font-medium transition-colors', childActive ? 'bg-blue-50 text-blue-700' : 'text-slate-600 hover:bg-slate-50')}>
                         <ChildIcon size={16} />{child.label}
                       </button>
                     );
diff --git a/src/index.css b/src/index.css
index f41699f..87124dc 100644
--- a/src/index.css
+++ b/src/index.css
@@ -26,7 +26,7 @@ body {
 }
 
 button, input, select {
-  font: inherit;
+  font-family: inherit;
 }
 
 .amap-logo,