优化UI

core/frontend/src/routes/projects.tsx

@@ -199,7 +199,7 @@ export function ProjectWizardPage({ products, projects = [], preselectProductId,
     <section className="project-wizard-page">
       <header className="nw-head">
         <div className="nw-title">
-          <button className="nw-back" type="button" onClick={onBack} aria-label="返回视频创作">
+          <button className="nw-back" type="button" onClick={onBack} aria-label="返回">
             <ArrowLeft />
           </button>
           <div>
@@ -566,6 +566,7 @@ export function ProjectsPage({ products, projects, loading = false, navigate, op
 
   return (
     <section className={`projects-page${editMode ? " manage-mode" : ""}`}>
+      <div className="projects-inner">
       <header className="vc-head">
         <div>
           <h1>视频创作</h1>
@@ -750,6 +751,7 @@ export function ProjectsPage({ products, projects, loading = false, navigate, op
           <Pager page={curPage} total={filtered.length} pageSize={PROJ_PAGE_SIZE} onChange={setPage} />
         </>
       )}
+      </div>
 
       <div className={`vc-sel-bar${editMode ? " active" : ""}`} role="toolbar" aria-label="批量操作">
         <div className="vc-sel-copy">