feat: 首页UI完全统一到三层架构 & 创建通用组件库

- 首页UI统一到三层架构
  - 将所有 gray 系列替换为 slate 系列
  - 统一按钮、输入框、边框颜色样式
  - 使用 useThemeStyles() Hook

- 创建通用组件库
  - Badge 组件（支持 primary、success、warning、danger 变体）
  - Tag 组件（支持多种颜色，已在首页应用）
  - Button 组件（支持多种变体和尺寸，带加载状态）
  - Input 组件（支持错误状态和多种尺寸）

app/page.tsx

@@ -11,6 +11,7 @@ import RankingPanel from '@/components/RankingPanel'
 import AIChatWidget from '@/components/AIChatWidget'
 import ChangePasswordModal from '@/components/ChangePasswordModal'
 import MaterialPreviewModal from '@/components/MaterialPreviewModal'
+import Tag from '@/components/ui/Tag'
 import { useThemeStyles } from '@/lib/ui-styles'
 import { useDialog } from '@/components/ui/DialogProvider'
 
@@ -513,8 +514,8 @@ export default function Home() {
 
   if (status === 'loading' || loading) {
     return (
-      <div className="min-h-screen flex items-center justify-center dark:bg-gray-900">
-        <div className="text-xl text-gray-600 dark:text-gray-400">加载中...</div>
+      <div className="min-h-screen flex items-center justify-center bg-slate-50 dark:bg-slate-900">
+        <div className="text-xl text-slate-600 dark:text-slate-400">加载中...</div>
       </div>
     )
   }
@@ -524,7 +525,7 @@ export default function Home() {
   }
 
   return (
-    <div className="min-h-screen bg-gray-50 dark:bg-gray-900">
+    <div className="min-h-screen bg-slate-50 dark:bg-slate-900">
       <Header session={session} />
       
       {/* 内网切换提示 */}
@@ -594,7 +595,7 @@ export default function Home() {
                 className={`${styles.inputStyles.base} pl-12 pr-4`}
               />
               <svg
-                className="absolute left-4 top-1/2 transform -translate-y-1/2 w-5 h-5 text-gray-400"
+                className="absolute left-4 top-1/2 transform -translate-y-1/2 w-5 h-5 text-slate-400"
                 fill="none"
                 stroke="currentColor"
                 viewBox="0 0 24 24"
@@ -609,7 +610,7 @@ export default function Home() {
               {searchKeyword && (
                 <button
                   onClick={() => setSearchKeyword('')}
-                  className="absolute right-4 top-1/2 transform -translate-y-1/2 text-gray-400 hover:text-gray-600 dark:hover:text-gray-300"
+                  className="absolute right-4 top-1/2 transform -translate-y-1/2 text-slate-400 hover:text-slate-600 dark:hover:text-slate-300"
                 >
                   <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                     <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M6 18L18 6M6 6l12 12" />
@@ -640,9 +641,9 @@ export default function Home() {
           <>
           <div className="mb-4">
             <div className="flex items-center justify-between mb-3">
-              <h2 className="text-sm font-medium text-gray-700 dark:text-gray-300">类型分页</h2>
+              <h2 className="text-sm font-medium text-slate-700 dark:text-slate-300">类型分页</h2>
               {selectedMaterialType && (
-                <span className="text-xs text-gray-500 dark:text-gray-400">
+                <span className="text-xs text-slate-500 dark:text-slate-400">
                   {materials.length} 个素材
                 </span>
               )}
@@ -653,7 +654,7 @@ export default function Home() {
                 className={`px-4 py-2 rounded-full text-sm font-medium transition-all ${
                   selectedMaterialType === ''
                     ? 'text-white'
-                    : 'bg-white dark:bg-gray-800 text-gray-700 dark:text-gray-300 border border-gray-300 dark:border-gray-600 hover:bg-gray-50 dark:hover:bg-gray-700'
+                    : 'bg-white dark:bg-slate-800 text-slate-700 dark:text-slate-300 border border-slate-300 dark:border-slate-600 hover:bg-slate-50 dark:hover:bg-slate-700'
                 }`}
                 style={selectedMaterialType === '' ? { backgroundColor: themeColor } : {}}
               >
@@ -666,7 +667,7 @@ export default function Home() {
                   className={`px-4 py-2 rounded-full text-sm font-medium transition-all ${
                     selectedMaterialType === type.value
                       ? 'text-white'
-                      : 'bg-white dark:bg-gray-800 text-gray-700 dark:text-gray-300 border border-gray-300 dark:border-gray-600 hover:bg-gray-50 dark:hover:bg-gray-700'
+                      : 'bg-white dark:bg-slate-800 text-slate-700 dark:text-slate-300 border border-slate-300 dark:border-slate-600 hover:bg-slate-50 dark:hover:bg-slate-700'
                   }`}
                   style={selectedMaterialType === type.value ? { backgroundColor: themeColor } : {}}
                 >
@@ -679,9 +680,9 @@ export default function Home() {
           {/* Category Filter (使用店铺) */}
           <div className="mb-4">
             <div className="flex items-center justify-between mb-3">
-              <h2 className="text-sm font-medium text-gray-700 dark:text-gray-300">使用店铺</h2>
+              <h2 className="text-sm font-medium text-slate-700 dark:text-slate-300">使用店铺</h2>
               {selectedCategory && (
-                <span className="text-xs text-gray-500 dark:text-gray-400">
+                <span className="text-xs text-slate-500 dark:text-slate-400">
                   {materials.length} 个素材
                 </span>
               )}
@@ -692,15 +693,15 @@ export default function Home() {
                 className={`px-4 py-2 rounded-full text-sm font-medium transition-all ${
                   selectedCategory === ''
                     ? 'text-white'
-                    : 'bg-white dark:bg-gray-800 text-gray-700 dark:text-gray-300 border border-gray-300 dark:border-gray-600 hover:bg-gray-50 dark:hover:bg-gray-700'
+                    : 'bg-white dark:bg-slate-800 text-slate-700 dark:text-slate-300 border border-slate-300 dark:border-slate-600 hover:bg-slate-50 dark:hover:bg-slate-700'
                 }`}
                 style={selectedCategory === '' ? { backgroundColor: themeColor } : {}}
               >
                 全部
                 <span className={`ml-1.5 text-xs ${
                   selectedCategory === ''
-                    ? 'text-gray-300'
-                    : 'text-gray-500 dark:text-gray-400'
+                    ? 'text-slate-300'
+                    : 'text-slate-500 dark:text-slate-400'
                 }`}>
                   ({totalMaterialsCount})
                 </span>
@@ -712,15 +713,15 @@ export default function Home() {
                   className={`px-4 py-2 rounded-full text-sm font-medium transition-all ${
                     selectedCategory === category.name
                       ? 'text-white'
-                      : 'bg-white dark:bg-gray-800 text-gray-700 dark:text-gray-300 border border-gray-300 dark:border-gray-600 hover:bg-gray-50 dark:hover:bg-gray-700'
+                      : 'bg-white dark:bg-slate-800 text-slate-700 dark:text-slate-300 border border-slate-300 dark:border-slate-600 hover:bg-slate-50 dark:hover:bg-slate-700'
                   }`}
                   style={selectedCategory === category.name ? { backgroundColor: themeColor } : {}}
                 >
                   {category.name}
                   <span className={`ml-1.5 text-xs ${
                     selectedCategory === category.name
-                      ? 'text-gray-300'
-                      : 'text-gray-500 dark:text-gray-400'
+                      ? 'text-slate-300'
+                      : 'text-slate-500 dark:text-slate-400'
                   }`}>
                     ({category.count || 0})
                   </span>
@@ -732,9 +733,9 @@ export default function Home() {
           {/* Scene Filter (场景类别) */}
           <div className="mb-4">
             <div className="flex items-center justify-between mb-3">
-              <h2 className="text-sm font-medium text-gray-700 dark:text-gray-300">场景类别</h2>
+              <h2 className="text-sm font-medium text-slate-700 dark:text-slate-300">场景类别</h2>
               {selectedScene && (
-                <span className="text-xs text-gray-500 dark:text-gray-400">
+                <span className="text-xs text-slate-500 dark:text-slate-400">
                   {materials.length} 个素材
                 </span>
               )}
@@ -745,15 +746,15 @@ export default function Home() {
                 className={`px-4 py-2 rounded-full text-sm font-medium transition-all ${
                   selectedScene === ''
                     ? 'text-white'
-                    : 'bg-white dark:bg-gray-800 text-gray-700 dark:text-gray-300 border border-gray-300 dark:border-gray-600 hover:bg-gray-50 dark:hover:bg-gray-700'
+                    : 'bg-white dark:bg-slate-800 text-slate-700 dark:text-slate-300 border border-slate-300 dark:border-slate-600 hover:bg-slate-50 dark:hover:bg-slate-700'
                 }`}
                 style={selectedScene === '' ? { backgroundColor: themeColor } : {}}
               >
                 全部
                 <span className={`ml-1.5 text-xs ${
                   selectedScene === ''
-                    ? 'text-gray-300'
-                    : 'text-gray-500 dark:text-gray-400'
+                    ? 'text-slate-300'
+                    : 'text-slate-500 dark:text-slate-400'
                 }`}>
                   ({totalMaterialsCount})
                 </span>
@@ -765,15 +766,15 @@ export default function Home() {
                   className={`px-4 py-2 rounded-full text-sm font-medium transition-all ${
                     selectedScene === scene.name
                       ? 'text-white'
-                      : 'bg-white dark:bg-gray-800 text-gray-700 dark:text-gray-300 border border-gray-300 dark:border-gray-600 hover:bg-gray-50 dark:hover:bg-gray-700'
+                      : 'bg-white dark:bg-slate-800 text-slate-700 dark:text-slate-300 border border-slate-300 dark:border-slate-600 hover:bg-slate-50 dark:hover:bg-slate-700'
                   }`}
                   style={selectedScene === scene.name ? { backgroundColor: themeColor } : {}}
                 >
                   {scene.name}
                   <span className={`ml-1.5 text-xs ${
                     selectedScene === scene.name
-                      ? 'text-gray-300'
-                      : 'text-gray-500 dark:text-gray-400'
+                      ? 'text-slate-300'
+                      : 'text-slate-500 dark:text-slate-400'
                   }`}>
                     ({scene.count || 0})
                   </span>
@@ -786,9 +787,9 @@ export default function Home() {
           {platforms.length > 0 && (
             <div className="mb-4">
               <div className="flex items-center justify-between mb-3">
-                <h2 className="text-sm font-medium text-gray-700 dark:text-gray-300">平台分类</h2>
+                <h2 className="text-sm font-medium text-slate-700 dark:text-slate-300">平台分类</h2>
                 {selectedPlatform && (
-                  <span className="text-xs text-gray-500 dark:text-gray-400">
+                  <span className="text-xs text-slate-500 dark:text-slate-400">
                     {materials.length} 个素材
                   </span>
                 )}
@@ -799,15 +800,15 @@ export default function Home() {
                   className={`px-4 py-2 rounded-full text-sm font-medium transition-all ${
                     selectedPlatform === ''
                       ? 'text-white'
-                      : 'bg-white dark:bg-gray-800 text-gray-700 dark:text-gray-300 border border-gray-300 dark:border-gray-600 hover:bg-gray-50 dark:hover:bg-gray-700'
+                      : 'bg-white dark:bg-slate-800 text-slate-700 dark:text-slate-300 border border-slate-300 dark:border-slate-600 hover:bg-slate-50 dark:hover:bg-slate-700'
                   }`}
                   style={selectedPlatform === '' ? { backgroundColor: themeColor } : {}}
                 >
                   全部
                   <span className={`ml-1.5 text-xs ${
                     selectedPlatform === ''
-                      ? 'text-gray-300'
-                      : 'text-gray-500 dark:text-gray-400'
+                      ? 'text-slate-300'
+                      : 'text-slate-500 dark:text-slate-400'
                   }`}>
                     ({totalMaterialsCount})
                   </span>
@@ -819,15 +820,15 @@ export default function Home() {
                     className={`px-4 py-2 rounded-full text-sm font-medium transition-all ${
                       selectedPlatform === platform.name
                         ? 'text-white'
-                        : 'bg-white dark:bg-gray-800 text-gray-700 dark:text-gray-300 border border-gray-300 dark:border-gray-600 hover:bg-gray-50 dark:hover:bg-gray-700'
+                        : 'bg-white dark:bg-slate-800 text-slate-700 dark:text-slate-300 border border-slate-300 dark:border-slate-600 hover:bg-slate-50 dark:hover:bg-slate-700'
                     }`}
                     style={selectedPlatform === platform.name ? { backgroundColor: themeColor } : {}}
                   >
                     {platform.name}
                     <span className={`ml-1.5 text-xs ${
                       selectedPlatform === platform.name
-                        ? 'text-gray-300'
-                        : 'text-gray-500 dark:text-gray-400'
+                        ? 'text-slate-300'
+                        : 'text-slate-500 dark:text-slate-400'
                     }`}>
                       ({platform.count || 0})
                     </span>
@@ -840,7 +841,7 @@ export default function Home() {
           {/* Month Filter (上传月份) */}
           <div className="mb-4">
             <div className="flex items-center justify-between mb-3">
-              <h2 className="text-sm font-medium text-gray-700 dark:text-gray-300">上传月份</h2>
+              <h2 className="text-sm font-medium text-slate-700 dark:text-slate-300">上传月份</h2>
             </div>
             <div className="flex flex-wrap gap-2">
               <button
@@ -848,15 +849,15 @@ export default function Home() {
                 className={`px-4 py-2 rounded-full text-sm font-medium transition-all ${
                   selectedMonth === ''
                     ? 'text-white'
-                    : 'bg-white dark:bg-gray-800 text-gray-700 dark:text-gray-300 border border-gray-300 dark:border-gray-600 hover:bg-gray-50 dark:hover:bg-gray-700'
+                    : 'bg-white dark:bg-slate-800 text-slate-700 dark:text-slate-300 border border-slate-300 dark:border-slate-600 hover:bg-slate-50 dark:hover:bg-slate-700'
                 }`}
                 style={selectedMonth === '' ? { backgroundColor: themeColor } : {}}
               >
                 全部
                 <span className={`ml-1.5 text-xs ${
                   selectedMonth === ''
-                    ? 'text-gray-300'
-                    : 'text-gray-500 dark:text-gray-400'
+                    ? 'text-slate-300'
+                    : 'text-slate-500 dark:text-slate-400'
                 }`}>
                   ({totalMaterialsCount})
                 </span>
@@ -868,15 +869,15 @@ export default function Home() {
                   className={`px-4 py-2 rounded-full text-sm font-medium transition-all ${
                     selectedMonth === month.value
                       ? 'text-white'
-                      : 'bg-white dark:bg-gray-800 text-gray-700 dark:text-gray-300 border border-gray-300 dark:border-gray-600 hover:bg-gray-50 dark:hover:bg-gray-700'
+                      : 'bg-white dark:bg-slate-800 text-slate-700 dark:text-slate-300 border border-slate-300 dark:border-slate-600 hover:bg-slate-50 dark:hover:bg-slate-700'
                   }`}
                   style={selectedMonth === month.value ? { backgroundColor: themeColor } : {}}
                 >
                   {month.label}
                   <span className={`ml-1.5 text-xs ${
                     selectedMonth === month.value
-                      ? 'text-gray-300'
-                      : 'text-gray-500 dark:text-gray-400'
+                      ? 'text-slate-300'
+                      : 'text-slate-500 dark:text-slate-400'
                   }`}>
                     ({month.count})
                   </span>
@@ -891,7 +892,7 @@ export default function Home() {
           {/* Sort Options (排序方式) - 保留排序选项 */}
           <div className="mb-4">
             <div className="flex items-center justify-between mb-3">
-              <h2 className="text-sm font-medium text-gray-700 dark:text-gray-300">排序方式</h2>
+              <h2 className="text-sm font-medium text-slate-700 dark:text-slate-300">排序方式</h2>
             </div>
             <div className="flex flex-wrap gap-2">
               <button
@@ -899,7 +900,7 @@ export default function Home() {
                 className={`px-4 py-2 rounded-full text-sm font-medium transition-all ${
                   sortBy === 'createdAt'
                     ? 'text-white'
-                    : 'bg-white dark:bg-gray-800 text-gray-700 dark:text-gray-300 border border-gray-300 dark:border-gray-600 hover:bg-gray-50 dark:hover:bg-gray-700'
+                    : 'bg-white dark:bg-slate-800 text-slate-700 dark:text-slate-300 border border-slate-300 dark:border-slate-600 hover:bg-slate-50 dark:hover:bg-slate-700'
                 }`}
                 style={sortBy === 'createdAt' ? { backgroundColor: themeColor } : {}}
               >
@@ -910,7 +911,7 @@ export default function Home() {
                 className={`px-4 py-2 rounded-full text-sm font-medium transition-all ${
                   sortBy === 'downloadCount'
                     ? 'text-white'
-                    : 'bg-white dark:bg-gray-800 text-gray-700 dark:text-gray-300 border border-gray-300 dark:border-gray-600 hover:bg-gray-50 dark:hover:bg-gray-700'
+                    : 'bg-white dark:bg-slate-800 text-slate-700 dark:text-slate-300 border border-slate-300 dark:border-slate-600 hover:bg-slate-50 dark:hover:bg-slate-700'
                 }`}
                 style={sortBy === 'downloadCount' ? { backgroundColor: themeColor } : {}}
               >
@@ -922,69 +923,69 @@ export default function Home() {
           {/* Active Filters Display */}
           {(searchKeyword || selectedCategory || selectedScene || selectedMaterialType || selectedPlatform || selectedMonth) && (
             <div className="bg-blue-50 dark:bg-blue-900/20 border border-blue-200 dark:border-blue-800 rounded-apple p-3 mb-4">
-              <div className="flex items-center gap-2 text-sm text-gray-600 dark:text-gray-400 flex-wrap">
+              <div className="flex items-center gap-2 text-sm text-slate-600 dark:text-slate-400 flex-wrap">
                 <span className="font-medium text-blue-600 dark:text-blue-400">当前筛选：</span>
               {searchKeyword && (
-                <span className="inline-flex items-center gap-1 px-3 py-1 bg-gray-100 dark:bg-gray-800 rounded-full">
+                <span className="inline-flex items-center gap-1 px-3 py-1 bg-slate-100 dark:bg-slate-800 rounded-full">
                   搜索: {searchKeyword}
                   <button
                     onClick={() => setSearchKeyword('')}
-                    className="text-gray-500 hover:text-gray-700 dark:hover:text-gray-300"
+                    className="text-slate-500 hover:text-slate-700 dark:hover:text-slate-300"
                   >
                     ×
                   </button>
                 </span>
               )}
               {selectedCategory && (
-                <span className="inline-flex items-center gap-1 px-3 py-1 bg-gray-100 dark:bg-gray-800 rounded-full">
+                <span className="inline-flex items-center gap-1 px-3 py-1 bg-slate-100 dark:bg-slate-800 rounded-full">
                   店铺: {selectedCategory}
                   <button
                     onClick={() => setSelectedCategory('')}
-                    className="text-gray-500 hover:text-gray-700 dark:hover:text-gray-300"
+                    className="text-slate-500 hover:text-slate-700 dark:hover:text-slate-300"
                   >
                     ×
                   </button>
                 </span>
               )}
               {selectedScene && (
-                <span className="inline-flex items-center gap-1 px-3 py-1 bg-gray-100 dark:bg-gray-800 rounded-full">
+                <span className="inline-flex items-center gap-1 px-3 py-1 bg-slate-100 dark:bg-slate-800 rounded-full">
                   场景类别: {selectedScene}
                   <button
                     onClick={() => setSelectedScene('')}
-                    className="text-gray-500 hover:text-gray-700 dark:hover:text-gray-300"
+                    className="text-slate-500 hover:text-slate-700 dark:hover:text-slate-300"
                   >
                     ×
                   </button>
                 </span>
               )}
               {selectedMaterialType && (
-                <span className="inline-flex items-center gap-1 px-3 py-1 bg-gray-100 dark:bg-gray-800 rounded-full">
+                <span className="inline-flex items-center gap-1 px-3 py-1 bg-slate-100 dark:bg-slate-800 rounded-full">
                   素材类型: {selectedMaterialType}
                   <button
                     onClick={() => setSelectedMaterialType('')}
-                    className="text-gray-500 hover:text-gray-700 dark:hover:text-gray-300"
+                    className="text-slate-500 hover:text-slate-700 dark:hover:text-slate-300"
                   >
                     ×
                   </button>
                 </span>
               )}
               {selectedPlatform && (
-                <span className="inline-flex items-center gap-1 px-3 py-1 bg-gray-100 dark:bg-gray-800 rounded-full">
+                <span className="inline-flex items-center gap-1 px-3 py-1 bg-slate-100 dark:bg-slate-800 rounded-full">
                   平台分类: {selectedPlatform}
                   <button
                     onClick={() => setSelectedPlatform('')}
-                    className="text-gray-500 hover:text-gray-700 dark:hover:text-gray-300"
+                    className="text-slate-500 hover:text-slate-700 dark:hover:text-slate-300"
                   >
                     ×
                   </button>
                 </span>
               )}
               {selectedMonth && (
-                <span className="inline-flex items-center gap-1 px-3 py-1 bg-gray-100 dark:bg-gray-800 rounded-full">
+                <span className="inline-flex items-center gap-1 px-3 py-1 bg-slate-100 dark:bg-slate-800 rounded-full">
                   月份: {months.find(m => m.value === selectedMonth)?.label || selectedMonth}
                   <button
                     onClick={() => setSelectedMonth('')}
-                    className="text-gray-500 hover:text-gray-700 dark:hover:text-gray-300"
+                    className="text-slate-500 hover:text-slate-700 dark:hover:text-slate-300"
                   >
                     ×
                   </button>
@@ -1004,7 +1005,7 @@ export default function Home() {
                 清除所有筛选
               </button>
               </div>
-              <div className="text-xs text-gray-500 dark:text-gray-400 mt-2">
+              <div className="text-xs text-slate-500 dark:text-slate-400 mt-2">
                 💡 提示：可以组合使用多个筛选条件，找到更精确的素材
               </div>
             </div>
@@ -1014,11 +1015,11 @@ export default function Home() {
         {/* Materials Grid */}
         {loading ? (
           <div className="text-center py-16">
-            <p className="text-gray-500 dark:text-gray-400 text-lg">加载中...</p>
+            <p className="text-slate-500 dark:text-slate-400 text-lg">加载中...</p>
           </div>
         ) : materials.length === 0 ? (
           <div className="text-center py-16">
-            <p className="text-gray-500 dark:text-gray-400 text-lg">
+            <p className="text-slate-500 dark:text-slate-400 text-lg">
               {searchKeyword || selectedCategory || selectedScene || selectedMaterialType || selectedPlatform ? '没有找到匹配的素材' : '还没有素材，快来上传第一个吧！'}
             </p>
           </div>
@@ -1064,24 +1065,16 @@ export default function Home() {
                     <div className="p-4">
                   {/* 店铺、场景、素材类型和渲染器 */}
                   <div className="flex items-center gap-2 mb-3 flex-wrap">
-                    <span className="inline-flex items-center px-2 py-1 bg-blue-100 dark:bg-blue-900/30 text-blue-700 dark:text-blue-300 rounded text-xs font-medium">
-                      {material.categoryName}
-                    </span>
-                    <span className="inline-flex items-center px-2 py-1 bg-green-100 dark:bg-green-900/30 text-green-700 dark:text-green-300 rounded text-xs font-medium">
-                      {material.sceneName}
-                    </span>
-                    <span className="inline-flex items-center px-2 py-1 bg-orange-100 dark:bg-orange-900/30 text-orange-700 dark:text-orange-300 rounded text-xs font-medium">
-                      {material.materialType}
-                    </span>
+                    <Tag color="blue">{material.categoryName}</Tag>
+                    <Tag color="green">{material.sceneName}</Tag>
+                    <Tag color="orange">{material.materialType}</Tag>
                     {material.materialType === '3DMAX' && (
-                      <span className="inline-flex items-center px-2 py-1 bg-purple-100 dark:bg-purple-900/30 text-purple-700 dark:text-purple-300 rounded text-xs font-medium">
-                        {material.renderer}
-                      </span>
+                      <Tag color="purple">{material.renderer}</Tag>
                     )}
                   </div>
                   
                   {/* 作者和时间 */}
-                  <div className="space-y-1 text-sm text-gray-600 dark:text-gray-400 mb-3">
+                  <div className="space-y-1 text-sm text-slate-600 dark:text-slate-400 mb-3">
                     <p className="truncate">
                       <span className="font-medium">作者：</span>
                       {material.authorName}
@@ -1094,13 +1087,13 @@ export default function Home() {
                       <span className="font-medium">大小：</span>
                       <span className="text-blue-600 dark:text-blue-400">{formatFileSize(material.zipFileSize)}</span>
                     </p>
-                    <p className="text-xs text-gray-500 dark:text-gray-500">
+                    <p className="text-xs text-slate-500 dark:text-slate-500">
                       {format(new Date(material.createdAt), 'yyyy-MM-dd HH:mm')}
                     </p>
                   </div>
 
                   {/* 统计数据 */}
-                  <div className="flex items-center justify-between text-xs text-gray-500 dark:text-gray-400 mb-3 pb-3 border-b border-gray-200 dark:border-gray-700">
+                  <div className="flex items-center justify-between text-xs text-slate-500 dark:text-slate-400 mb-3 pb-3 border-b border-slate-200 dark:border-slate-700">
                     <div className="flex items-center gap-3">
                       <span className="flex items-center gap-1">
                         <svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
@@ -1135,7 +1128,7 @@ export default function Home() {
                     )}
                     <button
                       onClick={() => handleShare(material.id)}
-                      className="flex-none px-4 py-2 rounded-apple font-medium text-sm transition-all bg-gray-100 dark:bg-gray-700 text-gray-700 dark:text-gray-300 hover:bg-gray-200 dark:hover:bg-gray-600"
+                      className={`${styles.buttonStyles.secondary} ${styles.buttonModifiers.compact} flex-none`}
                       title="分享"
                     >
                       <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
@@ -1189,7 +1182,7 @@ export default function Home() {
                     window.scrollTo({ top: 0, behavior: 'smooth' })
                   }}
                   disabled={currentPage === 1}
-                  className="px-4 py-2 rounded-lg bg-white dark:bg-gray-800 text-gray-700 dark:text-gray-300 border border-gray-300 dark:border-gray-600 hover:bg-gray-50 dark:hover:bg-gray-700 disabled:opacity-50 disabled:cursor-not-allowed transition-all"
+                  className={`${styles.buttonStyles.secondary} ${styles.buttonModifiers.compact} disabled:opacity-50 disabled:cursor-not-allowed`}
                 >
                   首页
                 </button>
@@ -1201,7 +1194,7 @@ export default function Home() {
                     window.scrollTo({ top: 0, behavior: 'smooth' })
                   }}
                   disabled={currentPage === 1}
-                  className="px-4 py-2 rounded-lg bg-white dark:bg-gray-800 text-gray-700 dark:text-gray-300 border border-gray-300 dark:border-gray-600 hover:bg-gray-50 dark:hover:bg-gray-700 disabled:opacity-50 disabled:cursor-not-allowed transition-all"
+                  className={`${styles.buttonStyles.secondary} ${styles.buttonModifiers.compact} disabled:opacity-50 disabled:cursor-not-allowed`}
                 >
                   <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                     <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 19l-7-7 7-7" />
@@ -1232,7 +1225,7 @@ export default function Home() {
                         className={`px-4 py-2 rounded-lg transition-all ${
                           currentPage === pageNum
                             ? 'text-white font-medium'
-                            : 'bg-white dark:bg-gray-800 text-gray-700 dark:text-gray-300 border border-gray-300 dark:border-gray-600 hover:bg-gray-50 dark:hover:bg-gray-700'
+                            : 'bg-white dark:bg-slate-800 text-slate-700 dark:text-slate-300 border border-slate-300 dark:border-slate-600 hover:bg-slate-50 dark:hover:bg-slate-700'
                         }`}
                         style={currentPage === pageNum ? { backgroundColor: themeColor } : {}}
                       >
@@ -1249,7 +1242,7 @@ export default function Home() {
                     window.scrollTo({ top: 0, behavior: 'smooth' })
                   }}
                   disabled={currentPage === totalPages}
-                  className="px-4 py-2 rounded-lg bg-white dark:bg-gray-800 text-gray-700 dark:text-gray-300 border border-gray-300 dark:border-gray-600 hover:bg-gray-50 dark:hover:bg-gray-700 disabled:opacity-50 disabled:cursor-not-allowed transition-all"
+                  className={`${styles.buttonStyles.secondary} ${styles.buttonModifiers.compact} disabled:opacity-50 disabled:cursor-not-allowed`}
                 >
                   <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                     <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 5l7 7-7 7" />
@@ -1263,7 +1256,7 @@ export default function Home() {
                     window.scrollTo({ top: 0, behavior: 'smooth' })
                   }}
                   disabled={currentPage === totalPages}
-                  className="px-4 py-2 rounded-lg bg-white dark:bg-gray-800 text-gray-700 dark:text-gray-300 border border-gray-300 dark:border-gray-600 hover:bg-gray-50 dark:hover:bg-gray-700 disabled:opacity-50 disabled:cursor-not-allowed transition-all"
+                  className={`${styles.buttonStyles.secondary} ${styles.buttonModifiers.compact} disabled:opacity-50 disabled:cursor-not-allowed`}
                 >
                   末页
                 </button>
@@ -1271,11 +1264,11 @@ export default function Home() {
 
               {/* 页码跳转和信息 */}
               <div className="flex items-center gap-4">
-                <span className="text-sm text-gray-600 dark:text-gray-400">
+                <span className="text-sm text-slate-600 dark:text-slate-400">
                   第 {currentPage} / {totalPages} 页，共 {totalMaterialsCount} 条
                 </span>
                 <div className="flex items-center gap-2">
-                  <span className="text-sm text-gray-600 dark:text-gray-400">跳至</span>
+                  <span className="text-sm text-slate-600 dark:text-slate-400">跳至</span>
                   <input
                     type="number"
                     min="1"
@@ -1292,10 +1285,10 @@ export default function Home() {
                         }
                       }
                     }}
-                    className="w-16 px-2 py-1 text-center rounded border border-gray-300 dark:border-gray-600 bg-white dark:bg-gray-800 text-gray-700 dark:text-gray-300 focus:border-blue-500 focus:ring-1 focus:ring-blue-500 outline-none"
+                    className={`${styles.inputStyles.base} w-16 px-2 py-1 text-center`}
                     placeholder=""
                   />
-                  <span className="text-sm text-gray-600 dark:text-gray-400">页</span>
+                  <span className="text-sm text-slate-600 dark:text-slate-400">页</span>
                   <button
                     onClick={() => {
                       const page = parseInt(jumpPage)
@@ -1544,7 +1537,7 @@ export default function Home() {
                   setSelectedPlatform('')
                   setSelectedMonth('')
                 }}
-                className="px-4 py-2 border border-gray-300 dark:border-gray-600 text-gray-700 dark:text-gray-300 rounded-lg hover:bg-gray-50 dark:hover:bg-gray-700 transition-colors"
+                className={`${styles.buttonStyles.secondary} ${styles.buttonModifiers.compact}`}
               >
                 清除全部
               </button>
@@ -1567,11 +1560,11 @@ export default function Home() {
           onClick={() => setShowShareModal(false)}
         >
           <div 
-            className="bg-white dark:bg-gray-800 rounded-xl p-6 max-w-lg w-full mx-4 shadow-2xl"
+            className={`${styles.cardStyles.base} max-w-lg w-full mx-4`}
             onClick={(e) => e.stopPropagation()}
           >
-            <h3 className="text-lg font-semibold mb-4 text-gray-900 dark:text-white">分享链接</h3>
-            <div className="bg-gray-100 dark:bg-gray-700 p-3 rounded-lg mb-4 break-all text-sm text-gray-800 dark:text-gray-200">
+            <h3 className="text-lg font-semibold mb-4 text-slate-900 dark:text-white">分享链接</h3>
+            <div className="bg-slate-100 dark:bg-slate-700 p-3 rounded-lg mb-4 break-all text-sm text-slate-800 dark:text-slate-200">
               {shareUrl}
             </div>
             <div className="flex gap-2">
@@ -1584,7 +1577,7 @@ export default function Home() {
               </button>
               <button
                 onClick={() => setShowShareModal(false)}
-                className="flex-1 bg-gray-300 dark:bg-gray-600 hover:bg-gray-400 dark:hover:bg-gray-500 text-gray-800 dark:text-white px-4 py-2 rounded-lg transition-colors"
+                className={`${styles.buttonStyles.secondary} ${styles.buttonModifiers.compact} flex-1`}
               >
                 关闭
               </button>

components/ui/Badge.tsx

@@ -0,0 +1,40 @@
+'use client'
+
+import { ReactNode } from 'react'
+import { useThemeStyles, cn } from '@/lib/ui-styles'
+
+interface BadgeProps {
+  children: ReactNode
+  variant?: 'primary' | 'success' | 'warning' | 'danger'
+  size?: 'sm' | 'md' | 'lg'
+  className?: string
+}
+
+export default function Badge({
+  children,
+  variant = 'primary',
+  size = 'md',
+  className = '',
+}: BadgeProps) {
+  const styles = useThemeStyles()
+
+  const sizeClasses = {
+    sm: 'px-2 py-0.5 text-xs',
+    md: 'px-2 py-1 text-xs',
+    lg: 'px-3 py-1.5 text-sm',
+  }
+
+  return (
+    <span
+      className={cn(
+        styles.badgeStyles[variant],
+        sizeClasses[size],
+        'inline-flex items-center font-medium rounded',
+        className
+      )}
+    >
+      {children}
+    </span>
+  )
+}
+

components/ui/Button.tsx

@@ -0,0 +1,86 @@
+'use client'
+
+import { ButtonHTMLAttributes, ReactNode, forwardRef } from 'react'
+import { useThemeStyles, cn } from '@/lib/ui-styles'
+
+interface ButtonProps extends ButtonHTMLAttributes<HTMLButtonElement> {
+  children: ReactNode
+  variant?: 'primary' | 'secondary' | 'ghost' | 'danger' | 'success'
+  size?: 'sm' | 'md' | 'lg'
+  fullWidth?: boolean
+  loading?: boolean
+}
+
+const Button = forwardRef<HTMLButtonElement, ButtonProps>(
+  (
+    {
+      children,
+      variant = 'primary',
+      size = 'md',
+      fullWidth = false,
+      loading = false,
+      disabled,
+      className = '',
+      ...props
+    },
+    ref
+  ) => {
+    const styles = useThemeStyles()
+
+    const sizeClasses = {
+      sm: styles.buttonModifiers.compactXs,
+      md: '',
+      lg: 'px-8 py-4 text-base',
+    }
+
+    const variantClass = styles.buttonStyles[variant]
+
+    return (
+      <button
+        ref={ref}
+        disabled={disabled || loading}
+        className={cn(
+          variantClass,
+          sizeClasses[size],
+          fullWidth && styles.buttonModifiers.block,
+          loading && 'opacity-75 cursor-wait',
+          className
+        )}
+        {...props}
+      >
+        {loading ? (
+          <span className="flex items-center gap-2">
+            <svg
+              className="animate-spin h-4 w-4"
+              xmlns="http://www.w3.org/2000/svg"
+              fill="none"
+              viewBox="0 0 24 24"
+            >
+              <circle
+                className="opacity-25"
+                cx="12"
+                cy="12"
+                r="10"
+                stroke="currentColor"
+                strokeWidth="4"
+              />
+              <path
+                className="opacity-75"
+                fill="currentColor"
+                d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"
+              />
+            </svg>
+            <span>加载中...</span>
+          </span>
+        ) : (
+          children
+        )}
+      </button>
+    )
+  }
+)
+
+Button.displayName = 'Button'
+
+export default Button
+

components/ui/Input.tsx

@@ -0,0 +1,51 @@
+'use client'
+
+import { InputHTMLAttributes, forwardRef } from 'react'
+import { useThemeStyles, cn } from '@/lib/ui-styles'
+
+interface InputProps extends InputHTMLAttributes<HTMLInputElement> {
+  error?: boolean
+  size?: 'sm' | 'md' | 'lg'
+  fullWidth?: boolean
+}
+
+const Input = forwardRef<HTMLInputElement, InputProps>(
+  (
+    {
+      error = false,
+      size = 'md',
+      fullWidth = true,
+      className = '',
+      ...props
+    },
+    ref
+  ) => {
+    const styles = useThemeStyles()
+
+    const sizeClasses = {
+      sm: styles.inputModifiers.compactXs,
+      md: '',
+      lg: 'px-5 py-4 text-base',
+    }
+
+    const inputClass = error ? styles.inputStyles.error : styles.inputStyles.base
+
+    return (
+      <input
+        ref={ref}
+        className={cn(
+          inputClass,
+          sizeClasses[size],
+          !fullWidth && 'w-auto',
+          className
+        )}
+        {...props}
+      />
+    )
+  }
+)
+
+Input.displayName = 'Input'
+
+export default Input
+

components/ui/Tag.tsx

@@ -0,0 +1,56 @@
+'use client'
+
+import { ReactNode } from 'react'
+import { useThemeStyles, cn } from '@/lib/ui-styles'
+
+interface TagProps {
+  children: ReactNode
+  color?: 'blue' | 'green' | 'orange' | 'purple' | 'indigo' | 'pink' | 'cyan'
+  size?: 'sm' | 'md' | 'lg'
+  className?: string
+  onClick?: () => void
+}
+
+export default function Tag({
+  children,
+  color = 'blue',
+  size = 'md',
+  className = '',
+  onClick,
+}: TagProps) {
+  const styles = useThemeStyles()
+
+  const colorClasses = {
+    blue: 'bg-blue-100 dark:bg-blue-900/30 text-blue-700 dark:text-blue-300',
+    green: 'bg-green-100 dark:bg-green-900/30 text-green-700 dark:text-green-300',
+    orange: 'bg-orange-100 dark:bg-orange-900/30 text-orange-700 dark:text-orange-300',
+    purple: 'bg-purple-100 dark:bg-purple-900/30 text-purple-700 dark:text-purple-300',
+    indigo: 'bg-indigo-100 dark:bg-indigo-900/30 text-indigo-700 dark:text-indigo-300',
+    pink: 'bg-pink-100 dark:bg-pink-900/30 text-pink-700 dark:text-pink-300',
+    cyan: 'bg-cyan-100 dark:bg-cyan-900/30 text-cyan-700 dark:text-cyan-300',
+  }
+
+  const sizeClasses = {
+    sm: 'px-2 py-0.5 text-xs',
+    md: 'px-2 py-1 text-xs',
+    lg: 'px-3 py-1.5 text-sm',
+  }
+
+  const baseClasses = 'inline-flex items-center font-medium rounded transition-colors'
+
+  return (
+    <span
+      className={cn(
+        baseClasses,
+        colorClasses[color],
+        sizeClasses[size],
+        onClick && 'cursor-pointer hover:opacity-80',
+        className
+      )}
+      onClick={onClick}
+    >
+      {children}
+    </span>
+  )
+}
+