优化创作主页ui表现

收窄创作主页和项目页共用的左侧导航栏与顶部搜索栏

压缩导航按钮、搜索框、泥点入口和账号入口的内部间距

修复项目页切换后创作入口仍保留主按钮样式的问题

补充项目页导航默认态的文档与回归测试

src/components/rpg-entry/RpgEntryFlowShell.agent.interaction.test.tsx

@@ -9195,9 +9195,21 @@ test('project page keeps desktop rail and can return to platform tabs', async ()
   expect(await screen.findByRole('main', { name: '项目' })).toBeTruthy();
   const nav = container.querySelector('.platform-desktop-rail');
   expect(nav).toBeTruthy();
-  expect(
-    within(nav as HTMLElement).getByRole('button', { name: '项目' }),
-  ).toBeTruthy();
+  const createNavButton = within(nav as HTMLElement).getByRole('button', {
+    name: '创作',
+  });
+  const projectNavButton = within(nav as HTMLElement).getByRole('button', {
+    name: '项目',
+  });
+  expect(projectNavButton.className).toContain(
+    'platform-desktop-rail__button--active',
+  );
+  expect(createNavButton.className).not.toContain(
+    'platform-desktop-rail__button--active',
+  );
+  expect(createNavButton.className).not.toContain(
+    'platform-desktop-rail__button--primary',
+  );
 
   await user.click(within(nav as HTMLElement).getByRole('button', { name: '推荐' }));
 
@@ -9207,6 +9219,38 @@ test('project page keeps desktop rail and can return to platform tabs', async ()
   expect(window.location.pathname).toBe('/');
 });
 
+test('desktop project tab switch clears creation primary styling', async () => {
+  const user = userEvent.setup();
+  mockDesktopPlatformLayout();
+  window.history.replaceState(null, '', '/creation');
+  const { container } = render(<TestWrapper withAuth />);
+
+  await screen.findByRole('main', { name: '陶泥儿创作主页' });
+  const nav = container.querySelector('.platform-desktop-rail');
+  expect(nav).toBeTruthy();
+
+  await user.click(within(nav as HTMLElement).getByRole('button', { name: '项目' }));
+
+  expect(await screen.findByRole('main', { name: '项目' })).toBeTruthy();
+  const projectNav = container.querySelector('.platform-desktop-rail');
+  expect(projectNav).toBeTruthy();
+  const createNavButton = within(projectNav as HTMLElement).getByRole('button', {
+    name: '创作',
+  });
+  const projectNavButton = within(projectNav as HTMLElement).getByRole('button', {
+    name: '项目',
+  });
+  expect(projectNavButton.className).toContain(
+    'platform-desktop-rail__button--active',
+  );
+  expect(createNavButton.className).not.toContain(
+    'platform-desktop-rail__button--active',
+  );
+  expect(createNavButton.className).not.toContain(
+    'platform-desktop-rail__button--primary',
+  );
+});
+
 test('direct mobile creation home keeps landing content without mobile nav entry', async () => {
   window.history.replaceState(null, '', '/creation');
   const { container } = render(<TestWrapper withAuth />);

src/components/rpg-entry/RpgEntryHomeView.tsx

@@ -5037,7 +5037,7 @@ export function RpgEntryHomeView({
           label={tabLabels[tab]}
           icon={tabIcons[tab]}
           creationHomeIconSrc={CREATION_HOME_NAV_ICON_SRC[tab]}
-          emphasized={tab === 'create'}
+          emphasized={tab === 'create' && resolvedDesktopNavTab === 'create'}
           showDot={false}
           disabled={isRechargePaymentConfirmationPending}
           onClick={() => {