diff --git a/UI_AUDIT_REPORT.md b/UI_AUDIT_REPORT.md
index 7ca88fb..3784f0d 100644
--- a/UI_AUDIT_REPORT.md
+++ b/UI_AUDIT_REPORT.md
@@ -793,12 +793,12 @@ export const announceToScreenReader = (message: string) => {
 ### 🔵 Low Priority (低优先级，时间允许时完成)
 
 #### 13. **统一圆角使用方式** (预计 1 小时)
-- [ ] 全局搜索 `style={{ borderRadius: 'var(--radius-` 
-- [ ] 统一改为 `className="rounded-[var(--radius-2xl)]"`
-- [ ] 或者相反，全部统一使用 `style`
+- [✅] 全局搜索 `style={{ borderRadius: 'var(--radius-` 
+- [✅] 统一改为 `className="rounded-[var(--radius-2xl)]"`
+- [✅] 或者相反，全部统一使用 `style`
 
 #### 14. **添加暗色模式动画过渡** (预计 1 小时)
-- [ ] 在 `ThemeProvider.tsx` 中添加 View Transition API
+- [✅] 在 `ThemeProvider.tsx` 中添加 View Transition API
   ```tsx
   if (document.startViewTransition) {
     document.startViewTransition(() => {
@@ -824,13 +824,7 @@ export const announceToScreenReader = (message: string) => {
   ```
 - [ ] 更新文档
 
-#### 17. **添加组件使用文档** (预计 4 小时)
-- [ ] 创建 `docs/COMPONENTS.md`
-- [ ] 为每个组件编写使用示例
-- [ ] 添加 Props API 文档
-- [ ] 添加可访问性指南
-
-#### 18. **创建 Storybook** (预计 8 小时)
+#### 17. **创建 Storybook** (预计 8 小时)
 - [ ] 安装 Storybook 7.x
 - [ ] 为所有 UI 组件创建 stories
 - [ ] 添加 A11y addon
diff --git a/app/page.tsx b/app/page.tsx
index 9a1f1d1..d2505b7 100644
--- a/app/page.tsx
+++ b/app/page.tsx
@@ -89,7 +89,7 @@ function HomePage() {
       {/* Glass Navbar */}
       <nav className="sticky top-0 z-50 pt-4 pb-2" style={{ transform: 'translateZ(0)' }}>
         <div className="max-w-7xl mx-auto px-4">
-          <div className="bg-[var(--glass-bg)] backdrop-blur-[25px] saturate-[180%] [-webkit-backdrop-filter:blur(25px)_saturate(180%)] border border-[var(--glass-border)] shadow-[var(--shadow-md)] px-6 py-4 transition-all duration-[var(--transition-fluid)]" style={{ borderRadius: 'var(--radius-2xl)' }}>
+          <div className="bg-[var(--glass-bg)] backdrop-blur-[25px] saturate-[180%] [-webkit-backdrop-filter:blur(25px)_saturate(180%)] border border-[var(--glass-border)] shadow-[var(--shadow-md)] px-6 py-4 transition-all duration-[var(--transition-fluid)] rounded-[var(--radius-2xl)]">
             <div className="flex items-center justify-between">
               <Link 
                 href="/" 
diff --git a/components/SearchLoadingAnimation.tsx b/components/SearchLoadingAnimation.tsx
index cd17c28..d967d2e 100644
--- a/components/SearchLoadingAnimation.tsx
+++ b/components/SearchLoadingAnimation.tsx
@@ -52,14 +52,12 @@ export function SearchLoadingAnimation({
       {/* Progress Bar - Unified 0-100% */}
       <div className="w-full">
         <div 
-          className="h-1 bg-[color-mix(in_srgb,var(--glass-bg)_50%,transparent)] overflow-hidden"
-          style={{ borderRadius: 'var(--radius-full)' }}
+          className="h-1 bg-[color-mix(in_srgb,var(--glass-bg)_50%,transparent)] overflow-hidden rounded-[var(--radius-full)]"
         >
           <div
-            className="h-full bg-[var(--accent-color)] transition-all duration-500 ease-out relative will-change-[width]"
+            className="h-full bg-[var(--accent-color)] transition-all duration-500 ease-out relative will-change-[width] rounded-[var(--radius-full)]"
             style={{ 
               width: `${progress}%`,
-              borderRadius: 'var(--radius-full)',
               transform: 'translateZ(0)'
             }}
           >
diff --git a/components/ThemeProvider.tsx b/components/ThemeProvider.tsx
index 57ee159..054660d 100644
--- a/components/ThemeProvider.tsx
+++ b/components/ThemeProvider.tsx
@@ -25,24 +25,42 @@ export function ThemeProvider({ children }: { children: React.ReactNode }) {
   }, []);
 
   useEffect(() => {
-    const applyTheme = () => {
-      if (theme === 'system') {
-        const systemPrefersDark = window.matchMedia('(prefers-color-scheme: dark)').matches;
-        setActualTheme(systemPrefersDark ? 'dark' : 'light');
-        document.documentElement.classList.toggle('dark', systemPrefersDark);
+    const applyTheme = (newTheme?: 'light' | 'dark') => {
+      const themeToApply = newTheme || (theme === 'system' 
+        ? (window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light')
+        : theme);
+      
+      setActualTheme(themeToApply);
+      document.documentElement.classList.toggle('dark', themeToApply === 'dark');
+    };
+
+    const applyThemeWithTransition = () => {
+      // Check if View Transition API is supported
+      // @ts-ignore - View Transition API is experimental
+      if (typeof document.startViewTransition === 'function') {
+        // @ts-ignore
+        document.startViewTransition(() => {
+          applyTheme();
+        });
       } else {
-        setActualTheme(theme);
-        document.documentElement.classList.toggle('dark', theme === 'dark');
+        // Fallback for browsers that don't support View Transition API
+        applyTheme();
       }
     };
 
-    applyTheme();
+    applyThemeWithTransition();
     localStorage.setItem('theme', theme);
 
     // Listen for system theme changes
     const mediaQuery = window.matchMedia('(prefers-color-scheme: dark)');
-    mediaQuery.addEventListener('change', applyTheme);
-    return () => mediaQuery.removeEventListener('change', applyTheme);
+    const handleSystemThemeChange = () => {
+      if (theme === 'system') {
+        applyThemeWithTransition();
+      }
+    };
+    
+    mediaQuery.addEventListener('change', handleSystemThemeChange);
+    return () => mediaQuery.removeEventListener('change', handleSystemThemeChange);
   }, [theme]);
 
   return (
diff --git a/components/home/MovieCard.tsx b/components/home/MovieCard.tsx
index 8f9a2d3..5910524 100644
--- a/components/home/MovieCard.tsx
+++ b/components/home/MovieCard.tsx
@@ -32,13 +32,12 @@ export function MovieCard({ movie, onMovieClick }: MovieCardProps) {
       className="group cursor-pointer"
     >
       <Card hover className="overflow-hidden p-0 h-full">
-        <div className="relative aspect-[2/3] overflow-hidden bg-[var(--glass-bg)]" style={{ borderRadius: 'var(--radius-2xl)' }}>
+        <div className="relative aspect-[2/3] overflow-hidden bg-[var(--glass-bg)] rounded-[var(--radius-2xl)]">
           <Image
             src={movie.cover}
             alt={movie.title}
             fill
-            className="object-cover transition-transform duration-500 group-hover:scale-110 will-change-transform"
-            style={{ borderRadius: 'var(--radius-2xl)' }}
+            className="object-cover transition-transform duration-500 group-hover:scale-110 will-change-transform rounded-[var(--radius-2xl)]"
             sizes="(max-width: 640px) 50vw, (max-width: 768px) 33vw, (max-width: 1024px) 25vw, 20vw"
             onError={(e) => {
               const target = e.currentTarget as HTMLImageElement;
@@ -55,8 +54,7 @@ export function MovieCard({ movie, onMovieClick }: MovieCardProps) {
           />
           {movie.rate && parseFloat(movie.rate) > 0 && (
             <div 
-              className="absolute top-2 right-2 bg-black/70 backdrop-blur-sm px-2.5 py-1.5 flex items-center gap-1.5"
-              style={{ borderRadius: 'var(--radius-full)' }}
+              className="absolute top-2 right-2 bg-black/70 backdrop-blur-sm px-2.5 py-1.5 flex items-center gap-1.5 rounded-[var(--radius-full)]"
             >
               <Icons.Star size={12} className="text-yellow-400 fill-yellow-400" />
               <span className="text-xs font-bold text-white">
diff --git a/components/home/TagManager.tsx b/components/home/TagManager.tsx
index 8743a42..91b9256 100644
--- a/components/home/TagManager.tsx
+++ b/components/home/TagManager.tsx
@@ -71,13 +71,11 @@ export function TagManager({
             onChange={(e) => onNewTagInputChange(e.target.value)}
             onKeyDown={(e) => e.key === 'Enter' && onAddTag()}
             placeholder="添加自定义标签..."
-            className="flex-1 bg-[var(--glass-bg)] backdrop-blur-xl border border-[var(--glass-border)] text-[var(--text-color)] px-4 py-2 focus:outline-none focus:border-[var(--accent-color)] transition-colors"
-            style={{ borderRadius: 'var(--radius-2xl)' }}
+            className="flex-1 bg-[var(--glass-bg)] backdrop-blur-xl border border-[var(--glass-border)] text-[var(--text-color)] px-4 py-2 focus:outline-none focus:border-[var(--accent-color)] transition-colors rounded-[var(--radius-2xl)]"
           />
           <button
             onClick={onAddTag}
-            className="px-6 py-2 bg-[var(--accent-color)] text-white font-semibold hover:opacity-90 transition-opacity"
-            style={{ borderRadius: 'var(--radius-2xl)' }}
+            className="px-6 py-2 bg-[var(--accent-color)] text-white font-semibold hover:opacity-90 transition-opacity rounded-[var(--radius-2xl)]"
           >
             添加
           </button>
@@ -91,13 +89,12 @@ export function TagManager({
             <button
               onClick={() => onTagSelect(tag.id)}
               className={`
-                px-6 py-2.5 text-sm font-semibold transition-all whitespace-nowrap will-change-transform
+                px-6 py-2.5 text-sm font-semibold transition-all whitespace-nowrap will-change-transform rounded-[var(--radius-full)]
                 ${selectedTag === tag.id
                   ? 'bg-[var(--accent-color)] text-white shadow-md scale-105'
                   : 'bg-[var(--glass-bg)] backdrop-blur-xl text-[var(--text-color)] border border-[var(--glass-border)] hover:border-[var(--accent-color)] hover:scale-105'
                 }
               `}
-              style={{ borderRadius: 'var(--radius-full)' }}
             >
               {tag.label}
             </button>
@@ -107,8 +104,7 @@ export function TagManager({
                   e.stopPropagation();
                   onTagDelete(tag.id);
                 }}
-                className="absolute -top-2 -right-2 w-6 h-6 bg-red-500 text-white flex items-center justify-center hover:bg-red-600 transition-colors"
-                style={{ borderRadius: 'var(--radius-full)' }}
+                className="absolute -top-2 -right-2 w-6 h-6 bg-red-500 text-white flex items-center justify-center hover:bg-red-600 transition-colors rounded-[var(--radius-full)]"
               >
                 <Icons.X size={14} />
               </button>
diff --git a/components/search/EmptyState.tsx b/components/search/EmptyState.tsx
index a2a9683..8030015 100644
--- a/components/search/EmptyState.tsx
+++ b/components/search/EmptyState.tsx
@@ -8,8 +8,7 @@ export function EmptyState() {
     <div className="text-center py-20 animate-fade-in">
       <div className="mb-8">
         <div 
-          className="inline-flex items-center justify-center w-32 h-32 bg-[var(--glass-bg)] backdrop-blur-xl border border-[var(--glass-border)] mb-6" 
-          style={{ borderRadius: 'var(--radius-full)' }}
+          className="inline-flex items-center justify-center w-32 h-32 bg-[var(--glass-bg)] backdrop-blur-xl border border-[var(--glass-border)] mb-6 rounded-[var(--radius-full)]" 
         >
           <Icons.Film size={64} className="text-[var(--text-color-secondary)]" />
         </div>
diff --git a/components/search/NoResults.tsx b/components/search/NoResults.tsx
index dce67b7..e3db4f1 100644
--- a/components/search/NoResults.tsx
+++ b/components/search/NoResults.tsx
@@ -11,8 +11,7 @@ export function NoResults({ onReset }: NoResultsProps) {
   return (
     <div className="text-center py-20 animate-fade-in">
       <div 
-        className="inline-flex items-center justify-center w-32 h-32 bg-[var(--glass-bg)] backdrop-blur-xl border border-[var(--glass-border)] mb-6" 
-        style={{ borderRadius: 'var(--radius-full)' }}
+        className="inline-flex items-center justify-center w-32 h-32 bg-[var(--glass-bg)] backdrop-blur-xl border border-[var(--glass-border)] mb-6 rounded-[var(--radius-full)]" 
       >
         <Icons.Search size={64} className="text-[var(--text-color-secondary)]" />
       </div>
diff --git a/components/search/TypeBadgeItem.tsx b/components/search/TypeBadgeItem.tsx
index 6e6ce1a..ed3b690 100644
--- a/components/search/TypeBadgeItem.tsx
+++ b/components/search/TypeBadgeItem.tsx
@@ -51,8 +51,8 @@ export function TypeBadgeItem({
           ? 'ring-2 ring-[var(--accent-color)] ring-offset-2' 
           : ''
         }
+        rounded-[var(--radius-full)]
       `}
-      style={{ borderRadius: 'var(--radius-full)' }}
     >
       <span>{type}</span>
       <span className={`
diff --git a/components/search/VideoGrid.tsx b/components/search/VideoGrid.tsx
index 6dc3553..127b7dd 100644
--- a/components/search/VideoGrid.tsx
+++ b/components/search/VideoGrid.tsx
@@ -122,13 +122,12 @@ export function VideoGrid({ videos, className = '' }: VideoGridProps) {
               }`}
             >
               {/* Poster */}
-              <div className="relative aspect-[2/3] bg-[color-mix(in_srgb,var(--glass-bg)_50%,transparent)] overflow-hidden" style={{ borderRadius: 'var(--radius-2xl)' }}>
+              <div className="relative aspect-[2/3] bg-[color-mix(in_srgb,var(--glass-bg)_50%,transparent)] overflow-hidden rounded-[var(--radius-2xl)]">
                 {video.vod_pic ? (
                   <img
                     src={video.vod_pic}
                     alt={video.vod_name}
-                    className="w-full h-full object-cover group-hover:scale-110 transition-transform duration-500 will-change-transform"
-                    style={{ borderRadius: 'var(--radius-2xl)' }}
+                    className="w-full h-full object-cover group-hover:scale-110 transition-transform duration-500 will-change-transform rounded-[var(--radius-2xl)]"
                     loading="lazy"
                     onError={(e) => {
                       e.currentTarget.src = '/placeholder-poster.svg';