diff --git a/client/index.html b/client/index.html
index cb81cc2..a418b94 100644
--- a/client/index.html
+++ b/client/index.html
@@ -1,13 +1,30 @@
 <!doctype html>
-<html lang="zh-CN" class="dark">
+<html lang="zh-CN">
   <head>
     <meta charset="UTF-8" />
     <link rel="icon" type="image/svg+xml" href="/icon/icon.jpg" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>艺术与代码 | 年糕崽崽的数字花园</title>
+    <script>
+      (function () {
+        try {
+          var path = location.pathname || ''
+          var forceDark = path === '/login' || path.indexOf('/admin') === 0
+          var pref = localStorage.getItem('theme-pref') || 'system'
+          var dark =
+            forceDark ||
+            pref === 'dark' ||
+            (pref !== 'light' && window.matchMedia('(prefers-color-scheme: dark)').matches)
+          document.documentElement.classList.toggle('dark', dark)
+          document.documentElement.style.colorScheme = dark ? 'dark' : 'light'
+        } catch (e) {
+          document.documentElement.classList.add('dark')
+        }
+      })()
+    </script>
   </head>
   <body>
     <div id="app"></div>
     <script type="module" src="/src/main.ts"></script>
   </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/client/src/App.vue b/client/src/App.vue
index b854a34..52a3a8a 100644
--- a/client/src/App.vue
+++ b/client/src/App.vue
@@ -6,11 +6,14 @@
     scrolling context.
   -->
   <div class="min-h-screen bg-art-bg text-art-text relative flex flex-col">
-    <!-- Star Background (Only for frontend) -->
+    <!-- Ambient canvas: dark stars / light aurora+dust -->
     <StarBackground v-if="showFrontendChrome" class="z-0" />
 
-    <!-- Global Noise (Only for frontend) -->
-    <div v-if="showFrontendChrome" class="fixed inset-0 pointer-events-none z-[60] bg-noise opacity-30 mix-blend-overlay"></div>
+    <!-- Light-mode static corner washes -->
+    <div v-if="showFrontendChrome" class="light-atmosphere" aria-hidden="true"></div>
+
+    <!-- Global Noise (Only for frontend) — opacity/blend via theme CSS vars -->
+    <div v-if="showFrontendChrome" class="site-noise fixed inset-0 pointer-events-none z-[60] bg-noise"></div>
 
     <!-- Toast Container -->
     <div id="toast-container" class="toast-container relative z-[70]"></div>
@@ -49,7 +52,7 @@
 </template>
 
 <script setup lang="ts">
-import { computed, onMounted } from 'vue'
+import { computed, onMounted, watch } from 'vue'
 import { useRoute } from 'vue-router'
 import Header from './components/Header.vue'
 import MobileMenu from './components/MobileMenu.vue'
@@ -59,17 +62,22 @@ import StarBackground from './components/StarBackground.vue'
 import UserProfileModal from './components/UserProfileModal.vue'
 import { useUserProfileModal } from './composables/useUserProfileModal'
 import { loadPublicSettings } from './composables/usePublicSettings'
+import { initTheme, setForceDark } from './composables/useTheme'
 
 const { isOpen: profileModalOpen, activeUserId: profileUserId, closeUserProfile } = useUserProfileModal()
 
 const route = useRoute()
 
+initTheme()
+
 // Check if current route is Admin or Login page
 const isAdminOrLogin = computed(() => {
   const path = route.path
   return path.startsWith('/admin') || path === '/login'
 })
 
+watch(isAdminOrLogin, (forced) => setForceDark(forced), { immediate: true })
+
 // 沉浸式演示页（PPT 预览等）
 const isPresentationPage = computed(() => route.meta.presentation === true)
 
diff --git a/client/src/components/ArticleExportMenu.vue b/client/src/components/ArticleExportMenu.vue
index 6e65773..dacc409 100644
--- a/client/src/components/ArticleExportMenu.vue
+++ b/client/src/components/ArticleExportMenu.vue
@@ -112,7 +112,7 @@ onUnmounted(() => document.removeEventListener('click', handleClickOutside))
     <button
       type="button"
       :disabled="isExporting"
-      class="flex items-center gap-2 rounded-full border border-white/10 bg-white/5 backdrop-blur-md px-3 py-1.5 md:px-4 md:py-2 text-xs md:text-sm text-art-muted hover:text-white hover:bg-white/10 hover:border-art-accent/30 transition-all duration-200 disabled:opacity-50 disabled:cursor-not-allowed"
+      class="flex items-center gap-2 rounded-full border border-art-border bg-art-text/5 backdrop-blur-md px-3 py-1.5 md:px-4 md:py-2 text-xs md:text-sm text-art-muted hover:text-art-text hover:bg-art-text/10 hover:border-art-accent/30 transition-all duration-200 disabled:opacity-50 disabled:cursor-not-allowed"
       @click.stop="toggleMenu"
     >
       <Icon
@@ -135,11 +135,11 @@ onUnmounted(() => document.removeEventListener('click', handleClickOutside))
     >
       <div
         v-if="isOpen"
-        class="absolute right-0 top-full mt-2 w-56 rounded-xl border border-white/10 bg-[#141414]/95 backdrop-blur-xl shadow-2xl z-50 overflow-hidden"
+        class="absolute right-0 top-full mt-2 w-56 rounded-xl border border-art-border bg-art-surface/95 backdrop-blur-xl shadow-2xl z-50 overflow-hidden"
         @click.stop
       >
-        <div class="px-3 py-2 border-b border-white/5">
-          <span class="text-[10px] font-bold text-white/40 uppercase tracking-wider">选择导出格式</span>
+        <div class="px-3 py-2 border-b border-art-text/5">
+          <span class="text-[10px] font-bold text-art-muted uppercase tracking-wider">选择导出格式</span>
         </div>
 
         <ul class="py-1">
@@ -147,13 +147,13 @@ onUnmounted(() => document.removeEventListener('click', handleClickOutside))
             <!-- 格式主项 -->
             <button
               type="button"
-              class="w-full flex items-center gap-3 px-3 py-2.5 text-left text-sm text-art-muted hover:text-white hover:bg-white/5 transition-colors"
+              class="w-full flex items-center gap-3 px-3 py-2.5 text-left text-sm text-art-muted hover:text-art-text hover:bg-art-text/5 transition-colors"
               @click="handleFormatClick(option.format, option.needsTheme)"
             >
               <Icon :name="option.icon" :size="16" class="text-art-accent shrink-0" />
               <div class="flex-1 min-w-0">
-                <div class="font-medium text-white/90">{{ option.label }}</div>
-                <div class="text-[10px] text-white/40 truncate">{{ option.description }}</div>
+                <div class="font-medium text-art-text/90">{{ option.label }}</div>
+                <div class="text-[10px] text-art-muted truncate">{{ option.description }}</div>
               </div>
               <Icon
                 v-if="option.needsTheme"
@@ -166,20 +166,20 @@ onUnmounted(() => document.removeEventListener('click', handleClickOutside))
             <!-- PDF / PNG 二级主题选项 -->
             <div
               v-if="option.needsTheme && expandedFormat === option.format"
-              class="bg-white/[0.02] border-t border-white/5"
+              class="bg-art-text/[0.02] border-t border-art-border"
             >
               <button
                 v-for="themeOpt in themeOptions"
                 :key="themeOpt.theme"
                 type="button"
-                class="w-full flex items-center gap-2 pl-10 pr-3 py-2 text-xs text-art-muted hover:text-white hover:bg-white/5 transition-colors"
+                class="w-full flex items-center gap-2 pl-10 pr-3 py-2 text-xs text-art-muted hover:text-art-text hover:bg-art-text/5 transition-colors"
                 @click="handleExport(option.format, themeOpt.theme)"
               >
                 <span
                   class="w-3 h-3 rounded-full border shrink-0"
                   :class="themeOpt.theme === 'light'
                     ? 'bg-white border-gray-300'
-                    : 'bg-[#050505] border-white/30'"
+                    : 'bg-black border-gray-600'"
                 ></span>
                 {{ themeOpt.label }}
               </button>
diff --git a/client/src/components/AuthorInfo.vue b/client/src/components/AuthorInfo.vue
index c6d82e8..5cfa5e6 100644
--- a/client/src/components/AuthorInfo.vue
+++ b/client/src/components/AuthorInfo.vue
@@ -123,7 +123,7 @@ const themeClasses = computed(() => {
     case 'onImage':
       return {
         wrapper: '',
-        avatarBorder: 'border-white/30 bg-white/10',
+        avatarBorder: 'border-white/20 bg-white/10',
         placeholder: 'text-white/80',
         name: 'text-white',
         email: 'text-white/70'
@@ -131,17 +131,17 @@ const themeClasses = computed(() => {
     case 'onDark':
       return {
         wrapper: '',
-        avatarBorder: 'border-white/20 bg-white/5',
+        avatarBorder: 'border-art-border bg-art-text/5',
         placeholder: 'text-art-accent',
-        name: 'text-white',
+        name: 'text-art-text',
         email: 'text-art-muted'
       }
     default:
       return {
         wrapper: '',
-        avatarBorder: 'border-white/20 bg-white/5',
+        avatarBorder: 'border-art-border bg-art-text/5',
         placeholder: 'text-art-accent',
-        name: 'text-white',
+        name: 'text-art-text',
         email: 'text-art-muted'
       }
   }
diff --git a/client/src/components/CodePreview.vue b/client/src/components/CodePreview.vue
index 1ff22c2..fcf98a3 100644
--- a/client/src/components/CodePreview.vue
+++ b/client/src/components/CodePreview.vue
@@ -5,7 +5,7 @@
     <div class="absolute inset-0 pointer-events-none z-0 opacity-20 mix-blend-overlay bg-noise"></div>
 
     <!-- 顶部工具栏 -->
-    <div class="relative z-10 flex items-center justify-between px-6 py-4 bg-black/40 backdrop-blur-xl border-b border-white/5 rounded-t-2xl">
+    <div class="relative z-10 flex items-center justify-between px-6 py-4 bg-black/40 backdrop-blur-xl border-b border-art-border rounded-t-2xl">
       <div class="flex items-center gap-4">
         <!-- 装饰性 Mac 窗口按钮 -->
         <div class="flex gap-2">
@@ -13,7 +13,7 @@
           <div class="w-3 h-3 rounded-full bg-[#ffbd2e]"></div>
           <div class="w-3 h-3 rounded-full bg-[#27c93f]"></div>
         </div>
-        <span class="text-xs font-mono text-white/40 tracking-widest uppercase ml-2">Code Playground</span>
+        <span class="text-xs font-mono text-art-muted tracking-widest uppercase ml-2">Code Playground</span>
 
         <!-- 运行状态指示器 -->
         <div v-if="isRunning" class="flex items-center gap-2 px-2 py-0.5 rounded-full bg-yellow-500/10 border border-yellow-500/20">
@@ -44,10 +44,10 @@
     </div>
 
     <!-- 主体内容区 -->
-    <div class="relative z-10 flex-1 flex flex-col md:flex-row bg-[#050505]/80 backdrop-blur-sm rounded-b-2xl overflow-hidden border border-t-0 border-white/5">
+    <div class="relative z-10 flex-1 flex flex-col md:flex-row bg-art-bg/80 backdrop-blur-sm rounded-b-2xl overflow-hidden border border-t-0 border-art-border">
 
       <!-- 左侧：代码编辑器 -->
-      <div class="w-full md:w-1/2 relative flex flex-col border-b md:border-b-0 md:border-r border-white/5 group">
+      <div class="w-full md:w-1/2 relative flex flex-col border-b md:border-b-0 md:border-r border-art-border group">
         <div class="absolute inset-0 bg-[#09090b]">
           <!-- 编辑器容器 -->
           <div class="relative w-full h-full font-mono text-sm leading-relaxed custom-scrollbar overflow-hidden">
@@ -73,13 +73,13 @@
       </div>
 
       <!-- 右侧：实时预览 / 终端 -->
-      <div class="w-full md:w-1/2 bg-[#121214] flex flex-col relative">
-        <div class="h-8 flex items-center justify-between px-4 bg-white/5 border-b border-white/5 shrink-0">
-          <span class="text-[10px] font-mono text-[#d4b383] tracking-widest uppercase">
+      <div class="w-full md:w-1/2 bg-art-surface flex flex-col relative">
+        <div class="h-8 flex items-center justify-between px-4 bg-art-text/5 border-b border-art-border shrink-0">
+          <span class="text-[10px] font-mono text-art-accent tracking-widest uppercase">
             {{ isConsoleMode ? 'TERMINAL OUTPUT' : 'WEB PREVIEW' }}
           </span>
           <div class="flex items-center gap-2">
-            <button @click="clearConsole" v-if="isConsoleMode" class="text-[10px] text-white/40 hover:text-white mr-2">CLEAR</button>
+            <button @click="clearConsole" v-if="isConsoleMode" class="text-[10px] text-art-muted hover:text-art-text mr-2">CLEAR</button>
             <span v-if="error" class="flex items-center gap-1 text-[#ef4444] text-[10px]">
               <span class="w-1.5 h-1.5 rounded-full bg-[#ef4444]"></span> ERROR
             </span>
diff --git a/client/src/components/CustomSelect.vue b/client/src/components/CustomSelect.vue
index 6b97b9f..d66fc6d 100644
--- a/client/src/components/CustomSelect.vue
+++ b/client/src/components/CustomSelect.vue
@@ -98,18 +98,18 @@ onUnmounted(() => {
   display: flex;
   align-items: center;
   padding: 0.75rem;
-  background: rgba(255, 255, 255, 0.05);
-  border: 1px solid rgba(255, 255, 255, 0.08);
+  background: var(--art-card-bg);
+  border: 1px solid var(--art-border);
   border-radius: 0.5rem;
   cursor: pointer;
   transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
-  color: #ececec;
+  color: rgb(var(--art-text));
   font-family: 'Inter', sans-serif;
   font-size: 0.95rem;
 }
 
 .custom-select-container:hover {
-  border-color: #d4b383;
+  border-color: rgb(var(--art-accent));
   box-shadow: 0 0 0 3px rgba(212, 179, 131, 0.2);
 }
 
@@ -120,7 +120,7 @@ onUnmounted(() => {
 }
 
 .selected-value.placeholder {
-  color: #888888;
+  color: rgb(var(--art-muted));
 }
 
 .dropdown-arrow {
@@ -128,7 +128,7 @@ onUnmounted(() => {
   align-items: center;
   justify-content: center;
   transition: transform 0.3s ease;
-  color: #888888;
+  color: rgb(var(--art-muted));
 }
 
 .dropdown-arrow.open {
@@ -137,14 +137,15 @@ onUnmounted(() => {
 
 .dropdown-options {
   z-index: 99999999999999999999;
-  background: rgba(12, 12, 14, 0.72);
+  background: rgb(var(--art-surface) / 0.92);
   backdrop-filter: blur(24px);
   -webkit-backdrop-filter: blur(24px);
-  border: 1px solid rgba(255, 255, 255, 0.12);
+  border: 1px solid var(--art-border);
   border-radius: 0.5rem;
-  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
+  box-shadow: var(--art-shadow);
   max-height: 200px;
   overflow-y: auto;
+  color: rgb(var(--art-text));
 }
 
 .option-item {
@@ -158,12 +159,12 @@ onUnmounted(() => {
 
 .option-item:hover {
   background: rgba(212, 179, 131, 0.15);
-  color: #d4b383;
+  color: rgb(var(--art-accent));
 }
 
 .option-item.selected {
   background: rgba(212, 179, 131, 0.2);
-  color: #d4b383;
+  color: rgb(var(--art-accent));
   font-weight: 500;
 }
 
@@ -173,16 +174,16 @@ onUnmounted(() => {
 }
 
 .dropdown-options::-webkit-scrollbar-track {
-  background: rgba(255, 255, 255, 0.05);
+  background: transparent;
   border-radius: 3px;
 }
 
 .dropdown-options::-webkit-scrollbar-thumb {
-  background: rgba(255, 255, 255, 0.2);
+  background: var(--art-scroll-thumb);
   border-radius: 3px;
 }
 
 .dropdown-options::-webkit-scrollbar-thumb:hover {
-  background: rgba(255, 255, 255, 0.3);
+  background: var(--art-scroll-thumb-hover);
 }
 </style>
\ No newline at end of file
diff --git a/client/src/components/DPlayerModal.vue b/client/src/components/DPlayerModal.vue
index e16535e..65f5619 100644
--- a/client/src/components/DPlayerModal.vue
+++ b/client/src/components/DPlayerModal.vue
@@ -99,13 +99,13 @@ onBeforeUnmount(() => destroyPlayer())
         class="fixed inset-0 z-[200] flex items-center justify-center bg-black/85 backdrop-blur-sm p-4 md:p-8"
         @click.self="handleClose"
       >
-        <div class="relative w-full max-w-5xl bg-[#0d0d0d] rounded-xl border border-white/10 overflow-hidden shadow-2xl">
+        <div class="relative w-full max-w-5xl bg-[#0d0d0d] rounded-xl border border-art-border overflow-hidden shadow-2xl">
           <!-- 标题栏 -->
-          <div class="flex items-center justify-between px-4 py-3 border-b border-white/10">
-            <h3 class="text-sm md:text-base text-white font-medium truncate pr-4">{{ title }}</h3>
+          <div class="flex items-center justify-between px-4 py-3 border-b border-art-border">
+            <h3 class="text-sm md:text-base text-art-text font-medium truncate pr-4">{{ title }}</h3>
             <button
               type="button"
-              class="shrink-0 p-2 rounded-full hover:bg-white/10 text-white/70 hover:text-white transition-colors"
+              class="shrink-0 p-2 rounded-full hover:bg-art-text/10 text-art-text/70 hover:text-art-text transition-colors"
               @click="handleClose"
             >
               <Icon name="x" :size="20" />
diff --git a/client/src/components/Footer.vue b/client/src/components/Footer.vue
index 35dda0a..f17eb27 100644
--- a/client/src/components/Footer.vue
+++ b/client/src/components/Footer.vue
@@ -1,5 +1,5 @@
 <template>
-  <footer class="py-8 text-center border-t border-white/5 relative z-10">
+  <footer class="py-8 text-center border-t border-art-border relative z-10">
     <div class="flex justify-center items-center gap-4 mb-4">
       <a
         v-if="contactEmail"
diff --git a/client/src/components/Header.vue b/client/src/components/Header.vue
index b0bf878..fc31559 100644
--- a/client/src/components/Header.vue
+++ b/client/src/components/Header.vue
@@ -4,8 +4,8 @@
     <div class="max-w-7xl mx-auto px-4 md:px-6 h-16 md:h-20 flex items-center justify-between">
       <!-- Logo -->
       <div class="cursor-pointer group flex items-center gap-1" @click="goTo('/')">
-        <span class="font-serif text-xl md:text-2xl italic tracking-wider text-white group-hover:text-art-accent transition-colors">{{ siteTitle || '年糕崽崽' }}</span>
-        <span class="font-serif text-xl md:text-2xl italic tracking-wider text-art-accent group-hover:text-white transition-colors">.Blog</span>
+        <span class="font-serif text-xl md:text-2xl italic tracking-wider text-art-text group-hover:text-art-accent transition-colors">{{ siteTitle || '年糕崽崽' }}</span>
+        <span class="font-serif text-xl md:text-2xl italic tracking-wider text-art-accent group-hover:text-art-text transition-colors">.Blog</span>
       </div>
 
       <!-- Desktop Nav -->
@@ -13,56 +13,56 @@
         <button
             v-if="visibleMenus.includes('home')"
             @click="goTo('/')"
-            class="nav-item text-sm font-medium tracking-wide text-art-muted hover:text-white transition-colors link-underline"
-            :class="{ 'text-white after:w-full': activeNav === 'home' }"
+            class="nav-item text-sm font-medium tracking-wide text-art-muted hover:text-art-text transition-colors link-underline"
+            :class="{ 'text-art-text after:w-full': activeNav === 'home' }"
         >
           首页
         </button>
         <button
             v-if="visibleMenus.includes('blog')"
             @click="goTo('/blog')"
-            class="nav-item text-sm font-medium tracking-wide text-art-muted hover:text-white transition-colors link-underline"
-            :class="{ 'text-white after:w-full': activeNav === 'blog' }"
+            class="nav-item text-sm font-medium tracking-wide text-art-muted hover:text-art-text transition-colors link-underline"
+            :class="{ 'text-art-text after:w-full': activeNav === 'blog' }"
         >
           思考
         </button>
         <button
             v-if="visibleMenus.includes('columns')"
             @click="goTo('/columns')"
-            class="nav-item text-sm font-medium tracking-wide text-art-muted hover:text-white transition-colors link-underline"
-            :class="{ 'text-white after:w-full': activeNav === 'columns' }"
+            class="nav-item text-sm font-medium tracking-wide text-art-muted hover:text-art-text transition-colors link-underline"
+            :class="{ 'text-art-text after:w-full': activeNav === 'columns' }"
         >
           专栏
         </button>
         <button
             v-if="visibleMenus.includes('works')"
             @click="goTo('/works')"
-            class="nav-item text-sm font-medium tracking-wide text-art-muted hover:text-white transition-colors link-underline"
-            :class="{ 'text-white after:w-full': activeNav === 'works' }"
+            class="nav-item text-sm font-medium tracking-wide text-art-muted hover:text-art-text transition-colors link-underline"
+            :class="{ 'text-art-text after:w-full': activeNav === 'works' }"
         >
           作品
         </button>
         <button
             v-if="visibleMenus.includes('videos')"
             @click="goTo('/videos')"
-            class="nav-item text-sm font-medium tracking-wide text-art-muted hover:text-white transition-colors link-underline"
-            :class="{ 'text-white after:w-full': activeNav === 'videos' }"
+            class="nav-item text-sm font-medium tracking-wide text-art-muted hover:text-art-text transition-colors link-underline"
+            :class="{ 'text-art-text after:w-full': activeNav === 'videos' }"
         >
           视频
         </button>
         <button
             v-if="visibleMenus.includes('snippets')"
             @click="goTo('/snippets')"
-            class="nav-item text-sm font-medium tracking-wide text-art-muted hover:text-white transition-colors link-underline"
-            :class="{ 'text-white after:w-full': activeNav === 'snippets' }"
+            class="nav-item text-sm font-medium tracking-wide text-art-muted hover:text-art-text transition-colors link-underline"
+            :class="{ 'text-art-text after:w-full': activeNav === 'snippets' }"
         >
           代码
         </button>
         <button
             v-if="visibleMenus.includes('about')"
             @click="goTo('/about')"
-            class="nav-item text-sm font-medium tracking-wide text-art-muted hover:text-white transition-colors link-underline"
-            :class="{ 'text-white after:w-full': activeNav === 'about' }"
+            class="nav-item text-sm font-medium tracking-wide text-art-muted hover:text-art-text transition-colors link-underline"
+            :class="{ 'text-art-text after:w-full': activeNav === 'about' }"
         >
           关于
         </button>
@@ -70,21 +70,30 @@
 
       <!-- Desktop Actions -->
       <div class="hidden md:flex items-center gap-4">
-        <a href="#" class="text-art-muted hover:text-white transition-colors"><Icon name="github" :size="20" /></a>
-        <a href="/admin" target="_blank" class="text-art-muted hover:text-white transition-colors" title="后台管理">
+        <button
+            type="button"
+            @click="cycleTheme"
+            class="text-art-muted hover:text-art-text transition-colors p-1"
+            :title="themeLabel"
+            :aria-label="themeLabel"
+        >
+          <Icon :name="themeIcon" :size="20" />
+        </button>
+        <a href="#" class="text-art-muted hover:text-art-text transition-colors"><Icon name="github" :size="20" /></a>
+        <a href="/admin" target="_blank" class="text-art-muted hover:text-art-text transition-colors" title="后台管理">
           <Icon name="layout-dashboard" :size="20" />
         </a>
         <button
             v-if="visibleMenus.includes('services')"
             @click="goTo('/services')"
-            class="px-5 py-2 text-xs font-bold tracking-widest uppercase border border-white/20 hover:border-art-accent hover:text-art-accent transition-all rounded-full"
+            class="px-5 py-2 text-xs font-bold tracking-widest uppercase border border-art-border hover:border-art-accent hover:text-art-accent transition-all rounded-full"
         >
           合作
         </button>
       </div>
 
       <!-- Mobile Menu Button -->
-      <button class="md:hidden text-white p-2 -mr-2 active:scale-95 transition-transform" @click="isMobileMenuOpen = true">
+      <button class="md:hidden text-art-text p-2 -mr-2 active:scale-95 transition-transform" @click="isMobileMenuOpen = true">
         <Icon name="menu" :size="24" />
       </button>
     </div>
@@ -100,13 +109,13 @@
       </Transition>
 
       <Transition name="slide-right">
-        <div v-if="isMobileMenuOpen" class="fixed top-0 right-0 bottom-0 w-64 bg-[#1a1a1a] z-[101] shadow-2xl border-l border-white/10 flex flex-col md:hidden">
+        <div v-if="isMobileMenuOpen" class="fixed top-0 right-0 bottom-0 w-64 bg-art-surface z-[101] shadow-2xl border-l border-art-border flex flex-col md:hidden">
           <!-- Drawer Header -->
-          <div class="h-16 px-6 flex items-center justify-between border-b border-white/5">
-             <span class="font-serif text-lg italic tracking-wider text-white">
+          <div class="h-16 px-6 flex items-center justify-between border-b border-art-border">
+             <span class="font-serif text-lg italic tracking-wider text-art-text">
                Menu
              </span>
-            <button class="text-white/70 hover:text-white p-2 -mr-2" @click="closeMobileMenu">
+            <button class="text-art-muted hover:text-art-text p-2 -mr-2" @click="closeMobileMenu">
               <Icon name="x" :size="24" />
             </button>
           </div>
@@ -117,68 +126,76 @@
               <button
                   v-if="visibleMenus.includes('home')"
                   @click="goTo('/')"
-                  class="text-left text-base font-medium py-2 border-b border-white/5 transition-colors"
-                  :class="activeNav === 'home' ? 'text-art-accent' : 'text-art-muted hover:text-white'"
+                  class="text-left text-base font-medium py-2 border-b border-art-border transition-colors"
+                  :class="activeNav === 'home' ? 'text-art-accent' : 'text-art-muted hover:text-art-text'"
               >
                 首页
               </button>
               <button
                   v-if="visibleMenus.includes('blog')"
                   @click="goTo('/blog')"
-                  class="text-left text-base font-medium py-2 border-b border-white/5 transition-colors"
-                  :class="activeNav === 'blog' ? 'text-art-accent' : 'text-art-muted hover:text-white'"
+                  class="text-left text-base font-medium py-2 border-b border-art-border transition-colors"
+                  :class="activeNav === 'blog' ? 'text-art-accent' : 'text-art-muted hover:text-art-text'"
               >
                 思考
               </button>
               <button
                   v-if="visibleMenus.includes('columns')"
                   @click="goTo('/columns')"
-                  class="text-left text-base font-medium py-2 border-b border-white/5 transition-colors"
-                  :class="activeNav === 'columns' ? 'text-art-accent' : 'text-art-muted hover:text-white'"
+                  class="text-left text-base font-medium py-2 border-b border-art-border transition-colors"
+                  :class="activeNav === 'columns' ? 'text-art-accent' : 'text-art-muted hover:text-art-text'"
               >
                 专栏
               </button>
               <button
                   v-if="visibleMenus.includes('works')"
                   @click="goTo('/works')"
-                  class="text-left text-base font-medium py-2 border-b border-white/5 transition-colors"
-                  :class="activeNav === 'works' ? 'text-art-accent' : 'text-art-muted hover:text-white'"
+                  class="text-left text-base font-medium py-2 border-b border-art-border transition-colors"
+                  :class="activeNav === 'works' ? 'text-art-accent' : 'text-art-muted hover:text-art-text'"
               >
                 作品
               </button>
               <button
                   v-if="visibleMenus.includes('videos')"
                   @click="goTo('/videos')"
-                  class="text-left text-base font-medium py-2 border-b border-white/5 transition-colors"
-                  :class="activeNav === 'videos' ? 'text-art-accent' : 'text-art-muted hover:text-white'"
+                  class="text-left text-base font-medium py-2 border-b border-art-border transition-colors"
+                  :class="activeNav === 'videos' ? 'text-art-accent' : 'text-art-muted hover:text-art-text'"
               >
                 视频
               </button>
               <button
                   v-if="visibleMenus.includes('snippets')"
                   @click="goTo('/snippets')"
-                  class="text-left text-base font-medium py-2 border-b border-white/5 transition-colors"
-                  :class="activeNav === 'snippets' ? 'text-art-accent' : 'text-art-muted hover:text-white'"
+                  class="text-left text-base font-medium py-2 border-b border-art-border transition-colors"
+                  :class="activeNav === 'snippets' ? 'text-art-accent' : 'text-art-muted hover:text-art-text'"
               >
                 代码
               </button>
               <button
                   v-if="visibleMenus.includes('about')"
                   @click="goTo('/about')"
-                  class="text-left text-base font-medium py-2 border-b border-white/5 transition-colors"
-                  :class="activeNav === 'about' ? 'text-art-accent' : 'text-art-muted hover:text-white'"
+                  class="text-left text-base font-medium py-2 border-b border-art-border transition-colors"
+                  :class="activeNav === 'about' ? 'text-art-accent' : 'text-art-muted hover:text-art-text'"
               >
                 关于
               </button>
             </nav>
 
-            <div class="pt-6 border-t border-white/10 space-y-4">
+            <div class="pt-6 border-t border-art-border space-y-4">
+              <button
+                  type="button"
+                  @click="cycleTheme"
+                  class="flex items-center gap-2 text-art-muted hover:text-art-text transition-colors text-sm w-full"
+              >
+                <Icon :name="themeIcon" :size="18" />
+                <span>{{ themeLabel }}</span>
+              </button>
               <div class="flex items-center gap-4">
-                <a href="#" class="flex items-center gap-2 text-art-muted hover:text-white transition-colors text-sm">
+                <a href="#" class="flex items-center gap-2 text-art-muted hover:text-art-text transition-colors text-sm">
                   <Icon name="github" :size="18" />
                   <span>GitHub</span>
                 </a>
-                <a href="/admin" target="_blank" class="flex items-center gap-2 text-art-muted hover:text-white transition-colors text-sm">
+                <a href="/admin" target="_blank" class="flex items-center gap-2 text-art-muted hover:text-art-text transition-colors text-sm">
                   <Icon name="layout-dashboard" :size="18" />
                   <span>管理后台</span>
                 </a>
@@ -186,7 +203,7 @@
               <button
                   v-if="visibleMenus.includes('services')"
                   @click="goTo('/services')"
-                  class="w-full py-3 text-xs font-bold tracking-widest uppercase border border-white/20 hover:bg-white/5 hover:border-art-accent hover:text-art-accent transition-all rounded-lg text-center text-white"
+                  class="w-full py-3 text-xs font-bold tracking-widest uppercase border border-art-border hover:bg-art-bg hover:border-art-accent hover:text-art-accent transition-all rounded-lg text-center text-art-text"
               >
                 商业合作
               </button>
@@ -202,11 +219,13 @@
 import { ref, onMounted, watch } from 'vue'
 import { useRouter, useRoute } from 'vue-router'
 import { usePublicSettings } from '../composables/usePublicSettings'
+import { useTheme } from '../composables/useTheme'
 import Icon from './Icon.vue'
 
 const router = useRouter()
 const route = useRoute()
 const { cache, getStringSetting } = usePublicSettings()
+const { themeIcon, themeLabel, cycleTheme } = useTheme()
 const activeNav = ref('home')
 const siteTitle = ref<string>('')
 const visibleMenus = ref<string[]>(['home', 'blog', 'columns', 'works', 'videos', 'snippets', 'about', 'services'])
diff --git a/client/src/components/InquiryModal.vue b/client/src/components/InquiryModal.vue
index 15f8dc1..d949fb7 100644
--- a/client/src/components/InquiryModal.vue
+++ b/client/src/components/InquiryModal.vue
@@ -3,34 +3,34 @@
     <Transition name="inquiry-fade">
       <div
         v-if="isOpen"
-        class="fixed inset-0 z-[100] bg-[#050505]/95 backdrop-blur-xl flex items-center justify-center p-4"
+        class="fixed inset-0 z-[100] bg-art-bg/95 backdrop-blur-xl flex items-center justify-center p-4"
         @click.self="closeModal"
       >
-        <div class="relative w-full max-w-4xl bg-[#080808] border border-white/10 overflow-y-auto overflow-x-hidden flex flex-col md:flex-row shadow-2xl max-h-[95vh]">
-          <div class="hidden md:flex w-1/3 bg-[#0c0c0c] border-r border-white/5 p-12 flex-col justify-between relative overflow-hidden shrink-0">
+        <div class="relative w-full max-w-4xl bg-art-bg border border-art-border overflow-y-auto overflow-x-hidden flex flex-col md:flex-row shadow-2xl max-h-[95vh]">
+          <div class="hidden md:flex w-1/3 bg-art-bg border-r border-art-border p-12 flex-col justify-between relative overflow-hidden shrink-0">
             <div class="absolute top-0 left-0 w-full h-full bg-noise opacity-10"></div>
             <div class="absolute -top-20 -left-20 w-64 h-64 bg-art-accent/10 rounded-full blur-[80px]"></div>
             <div class="relative z-10">
-              <h3 class="font-serif text-3xl text-white italic mb-6 leading-tight">
+              <h3 class="font-serif text-3xl text-art-text italic mb-6 leading-tight">
                 共创<br>无限<br>可能
               </h3>
-              <p class="font-mono text-xs text-white/40 leading-relaxed">
+              <p class="font-mono text-xs text-art-muted leading-relaxed">
                 告诉我你的构想。<br>
                 我将提供架构与代码，<br>
                 将想象变为现实。
               </p>
             </div>
-            <div class="relative z-10 font-mono text-[10px] text-white/20 tracking-widest">
+            <div class="relative z-10 font-mono text-[10px] text-art-muted/60 tracking-widest">
               LAT: 30.2741° N<br>
               LONG: 120.1551° E<br>
               HANGZHOU, CN
             </div>
           </div>
-          <div class="w-full md:w-2/3 p-10 md:p-16 relative bg-[#080808]">
+          <div class="w-full md:w-2/3 p-10 md:p-16 relative bg-art-bg">
             <button
               type="button"
               @click="closeModal"
-              class="absolute top-6 right-6 p-2 text-white/30 hover:text-white hover:bg-white/5 rounded-full transition-colors z-20"
+              class="absolute top-6 right-6 p-2 text-art-muted hover:text-art-text hover:bg-art-text/5 rounded-full transition-colors z-20"
               aria-label="关闭"
             >
               <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
@@ -40,37 +40,37 @@
             </button>
             <form id="inquiry-form" class="space-y-10 relative z-10" @submit.prevent="handleSubmit">
               <div class="space-y-8">
-                <p class="font-mono text-xs text-art-accent uppercase tracking-widest border-b border-white/10 pb-2 mb-6">01 身份识别</p>
+                <p class="font-mono text-xs text-art-accent uppercase tracking-widest border-b border-art-border pb-2 mb-6">01 身份识别</p>
                 <div class="grid grid-cols-1 md:grid-cols-2 gap-8">
                   <div class="relative group/input">
                     <input
                       name="name"
                       type="text"
-                      class="inquiry-input peer w-full bg-transparent border-b border-white/20 py-2 text-white font-serif text-lg focus:border-art-accent outline-none transition-colors placeholder-transparent"
+                      class="inquiry-input peer w-full bg-transparent border-b border-art-border py-2 text-art-text font-serif text-lg focus:border-art-accent outline-none transition-colors placeholder-transparent"
                       placeholder=" "
                       v-model="formData.name"
                       required
                     >
                     <label
-                      class="absolute left-0 top-2 text-white/30 text-xs font-mono transition-all pointer-events-none peer-focus:-top-4 peer-focus:text-art-accent peer-[:not(:placeholder-shown)]:-top-4 peer-[:not(:placeholder-shown)]:text-white/50 peer-autofill:-top-4 peer-autofill:text-white/50"
+                      class="absolute left-0 top-2 text-art-muted text-xs font-mono transition-all pointer-events-none peer-focus:-top-4 peer-focus:text-art-accent peer-[:not(:placeholder-shown)]:-top-4 peer-[:not(:placeholder-shown)]:text-art-muted peer-autofill:-top-4 peer-autofill:text-art-muted"
                     >您的称呼</label>
                   </div>
                   <div class="relative group/input">
                     <input
                       name="company"
                       type="text"
-                      class="inquiry-input peer w-full bg-transparent border-b border-white/20 py-2 text-white font-serif text-lg focus:border-art-accent outline-none transition-colors placeholder-transparent"
+                      class="inquiry-input peer w-full bg-transparent border-b border-art-border py-2 text-art-text font-serif text-lg focus:border-art-accent outline-none transition-colors placeholder-transparent"
                       placeholder=" "
                       v-model="formData.company"
                     >
                     <label
-                      class="absolute left-0 top-2 text-white/30 text-xs font-mono transition-all pointer-events-none peer-focus:-top-4 peer-focus:text-art-accent peer-[:not(:placeholder-shown)]:-top-4 peer-[:not(:placeholder-shown)]:text-white/50 peer-autofill:-top-4 peer-autofill:text-white/50"
+                      class="absolute left-0 top-2 text-art-muted text-xs font-mono transition-all pointer-events-none peer-focus:-top-4 peer-focus:text-art-accent peer-[:not(:placeholder-shown)]:-top-4 peer-[:not(:placeholder-shown)]:text-art-muted peer-autofill:-top-4 peer-autofill:text-art-muted"
                     >公司 / 组织</label>
                   </div>
                 </div>
 
                 <div class="space-y-4">
-                  <label class="text-xs font-mono text-white/30 block">联系方式类型</label>
+                  <label class="text-xs font-mono text-art-muted block">联系方式类型</label>
                   <RadioGroup
                     name="contactMethod"
                     :options="contactOptions"
@@ -90,34 +90,34 @@
                     <input
                       name="contactValue"
                       type="text"
-                      class="inquiry-input peer w-full bg-transparent border-b border-white/20 py-2 text-white font-serif text-lg focus:border-art-accent outline-none transition-colors placeholder-transparent"
+                      class="inquiry-input peer w-full bg-transparent border-b border-art-border py-2 text-art-text font-serif text-lg focus:border-art-accent outline-none transition-colors placeholder-transparent"
                       placeholder=" "
                       v-model="formData.contactValue"
                       required
                     >
                     <label
-                      class="absolute left-0 top-2 text-white/30 text-xs font-mono transition-all pointer-events-none peer-focus:-top-4 peer-focus:text-art-accent peer-[:not(:placeholder-shown)]:-top-4 peer-[:not(:placeholder-shown)]:text-white/50 peer-autofill:-top-4 peer-autofill:text-white/50"
+                      class="absolute left-0 top-2 text-art-muted text-xs font-mono transition-all pointer-events-none peer-focus:-top-4 peer-focus:text-art-accent peer-[:not(:placeholder-shown)]:-top-4 peer-[:not(:placeholder-shown)]:text-art-muted peer-autofill:-top-4 peer-autofill:text-art-muted"
                     >{{ getContactLabel }}</label>
                   </div>
                 </div>
               </div>
 
               <div class="space-y-6">
-                <p class="font-mono text-xs text-art-accent uppercase tracking-widest border-b border-white/10 pb-2 mb-6">02 项目细节</p>
+                <p class="font-mono text-xs text-art-accent uppercase tracking-widest border-b border-art-border pb-2 mb-6">02 项目细节</p>
                 <div class="space-y-3">
-                  <label class="text-xs font-mono text-white/30 block mb-2">预估预算范围</label>
+                  <label class="text-xs font-mono text-art-muted block mb-2">预估预算范围</label>
                   <div class="flex flex-wrap gap-3">
                     <label class="cursor-pointer group">
                       <input type="radio" name="budget" value="1w-5w" class="peer hidden" v-model="formData.budget">
-                      <span class="px-4 py-2 border border-white/10 rounded-none text-xs font-mono text-white/50 hover:border-art-accent hover:text-white transition-all peer-checked:bg-art-accent peer-checked:text-black peer-checked:border-art-accent">1w - 5w</span>
+                      <span class="px-4 py-2 border border-art-border rounded-none text-xs font-mono text-art-muted hover:border-art-accent hover:text-art-text transition-all peer-checked:bg-art-accent peer-checked:text-black peer-checked:border-art-accent">1w - 5w</span>
                     </label>
                     <label class="cursor-pointer group">
                       <input type="radio" name="budget" value="5w-20w" class="peer hidden" v-model="formData.budget">
-                      <span class="px-4 py-2 border border-white/10 rounded-none text-xs font-mono text-white/50 hover:border-art-accent hover:text-white transition-all peer-checked:bg-art-accent peer-checked:text-black peer-checked:border-art-accent">5w - 20w</span>
+                      <span class="px-4 py-2 border border-art-border rounded-none text-xs font-mono text-art-muted hover:border-art-accent hover:text-art-text transition-all peer-checked:bg-art-accent peer-checked:text-black peer-checked:border-art-accent">5w - 20w</span>
                     </label>
                     <label class="cursor-pointer group">
                       <input type="radio" name="budget" value="20w+" class="peer hidden" v-model="formData.budget">
-                      <span class="px-4 py-2 border border-white/10 rounded-none text-xs font-mono text-white/50 hover:border-art-accent hover:text-white transition-all peer-checked:bg-art-accent peer-checked:text-black peer-checked:border-art-accent">20w +</span>
+                      <span class="px-4 py-2 border border-art-border rounded-none text-xs font-mono text-art-muted hover:border-art-accent hover:text-art-text transition-all peer-checked:bg-art-accent peer-checked:text-black peer-checked:border-art-accent">20w +</span>
                     </label>
                   </div>
                 </div>
@@ -126,13 +126,13 @@
                   <textarea
                     name="description"
                     :rows="3"
-                    class="inquiry-input peer w-full bg-transparent border-b border-white/20 py-2 text-white font-serif text-lg focus:border-art-accent outline-none transition-colors placeholder-transparent resize-none min-h-[40px] max-h-[100px]"
+                    class="inquiry-input peer w-full bg-transparent border-b border-art-border py-2 text-art-text font-serif text-lg focus:border-art-accent outline-none transition-colors placeholder-transparent resize-none min-h-[40px] max-h-[100px]"
                     placeholder=" "
                     v-model="formData.description"
                     @input="autoResizeTextarea"
                   ></textarea>
                   <label
-                    class="absolute left-0 top-2 text-white/30 text-xs font-mono transition-all pointer-events-none peer-focus:-top-4 peer-focus:text-art-accent peer-[:not(:placeholder-shown)]:-top-4 peer-[:not(:placeholder-shown)]:text-white/50 peer-autofill:-top-4 peer-autofill:text-white/50"
+                    class="absolute left-0 top-2 text-art-muted text-xs font-mono transition-all pointer-events-none peer-focus:-top-4 peer-focus:text-art-accent peer-[:not(:placeholder-shown)]:-top-4 peer-[:not(:placeholder-shown)]:text-art-muted peer-autofill:-top-4 peer-autofill:text-art-muted"
                   >一句话描述需求</label>
                 </div>
               </div>
@@ -154,7 +154,7 @@
                     </svg>
                   </span>
                 </button>
-                <p class="mt-4 text-[10px] text-white/20 font-mono text-center tracking-widest">SECURED BY DIGITAL FINGERPRINTING</p>
+                <p class="mt-4 text-[10px] text-art-muted/60 font-mono text-center tracking-widest">SECURED BY DIGITAL FINGERPRINTING</p>
               </div>
             </form>
           </div>
@@ -255,7 +255,7 @@ const showToast = (message: string, type: string = 'success') => {
   if (container) {
     const toast = document.createElement('div')
     toast.className = `toast ${type === 'success' ? 'toast-success' : 'toast-error'}`
-    toast.innerHTML = `<i data-lucide="${type === 'success' ? 'check-circle' : 'alert-circle'}" class="w-5 h-5 ${type === 'success' ? 'text-[#d4b383]' : 'text-red-500'}"></i><span class="text-sm font-medium">${message}</span>`
+    toast.innerHTML = `<i data-lucide="${type === 'success' ? 'check-circle' : 'alert-circle'}" class="w-5 h-5 ${type === 'success' ? 'text-art-accent' : 'text-red-500'}"></i><span class="text-sm font-medium">${message}</span>`
     container.appendChild(toast)
     if ((window as any).lucide) {
       (window as any).lucide.createIcons()
@@ -291,9 +291,9 @@ onUnmounted(() => {
 .inquiry-input:-webkit-autofill:hover,
 .inquiry-input:-webkit-autofill:focus,
 .inquiry-input:-webkit-autofill:active {
-  -webkit-box-shadow: 0 0 0 1000px #080808 inset !important;
-  -webkit-text-fill-color: white !important;
-  caret-color: white;
+  -webkit-box-shadow: 0 0 0 1000px rgb(var(--art-input-autofill)) inset !important;
+  -webkit-text-fill-color: rgb(var(--art-input-autofill-text)) !important;
+  caret-color: rgb(var(--art-input-autofill-text));
   transition: background-color 5000s ease-in-out 0s;
 }
 
diff --git a/client/src/components/MobileMenu.vue b/client/src/components/MobileMenu.vue
index e6bd51c..fdc6be1 100644
--- a/client/src/components/MobileMenu.vue
+++ b/client/src/components/MobileMenu.vue
@@ -1,15 +1,19 @@
 <template>
   <div id="mobile-menu" class="fixed inset-0 z-40 bg-art-bg/95 backdrop-blur-xl flex flex-col items-center justify-center space-y-8 transition-all duration-300 menu-closed md:hidden">
-    <button @click="toggleMobileMenu" class="absolute top-6 right-6 text-white"><i data-lucide="x" class="w-8 h-8"></i></button>
-    <a v-if="visibleMenus.includes('home')" @click="navigate('/')" class="font-serif text-3xl italic text-white hover:text-art-accent cursor-pointer">首页</a>
-    <a v-if="visibleMenus.includes('blog')" @click="navigate('/blog')" class="font-serif text-3xl italic text-white hover:text-art-accent cursor-pointer">思考</a>
-    <a v-if="visibleMenus.includes('columns')" @click="navigate('/columns')" class="font-serif text-3xl italic text-white hover:text-art-accent cursor-pointer">专栏</a>
-    <a v-if="visibleMenus.includes('works')" @click="navigate('/works')" class="font-serif text-3xl italic text-white hover:text-art-accent cursor-pointer">作品</a>
-    <a v-if="visibleMenus.includes('videos')" @click="navigate('/videos')" class="font-serif text-3xl italic text-white hover:text-art-accent cursor-pointer">视频</a>
-    <a v-if="visibleMenus.includes('snippets')" @click="navigate('/snippets')" class="font-serif text-3xl italic text-white hover:text-art-accent cursor-pointer">代码</a>
-    <a v-if="visibleMenus.includes('about')" @click="navigate('/about')" class="font-serif text-3xl italic text-white hover:text-art-accent cursor-pointer">关于</a>
-    <a v-if="visibleMenus.includes('services')" @click="navigate('/services')" class="font-serif text-3xl italic text-white hover:text-art-accent cursor-pointer">合作</a>
-    <a @click="openAdmin" class="font-mono text-sm text-art-muted mt-8">管理入口</a>
+    <button @click="toggleMobileMenu" class="absolute top-6 right-6 text-art-text"><i data-lucide="x" class="w-8 h-8"></i></button>
+    <a v-if="visibleMenus.includes('home')" @click="navigate('/')" class="font-serif text-3xl italic text-art-text hover:text-art-accent cursor-pointer">首页</a>
+    <a v-if="visibleMenus.includes('blog')" @click="navigate('/blog')" class="font-serif text-3xl italic text-art-text hover:text-art-accent cursor-pointer">思考</a>
+    <a v-if="visibleMenus.includes('columns')" @click="navigate('/columns')" class="font-serif text-3xl italic text-art-text hover:text-art-accent cursor-pointer">专栏</a>
+    <a v-if="visibleMenus.includes('works')" @click="navigate('/works')" class="font-serif text-3xl italic text-art-text hover:text-art-accent cursor-pointer">作品</a>
+    <a v-if="visibleMenus.includes('videos')" @click="navigate('/videos')" class="font-serif text-3xl italic text-art-text hover:text-art-accent cursor-pointer">视频</a>
+    <a v-if="visibleMenus.includes('snippets')" @click="navigate('/snippets')" class="font-serif text-3xl italic text-art-text hover:text-art-accent cursor-pointer">代码</a>
+    <a v-if="visibleMenus.includes('about')" @click="navigate('/about')" class="font-serif text-3xl italic text-art-text hover:text-art-accent cursor-pointer">关于</a>
+    <a v-if="visibleMenus.includes('services')" @click="navigate('/services')" class="font-serif text-3xl italic text-art-text hover:text-art-accent cursor-pointer">合作</a>
+    <button type="button" @click="cycleTheme" class="font-mono text-sm text-art-muted hover:text-art-accent flex items-center gap-2">
+      <Icon :name="themeIcon" :size="18" />
+      {{ themeLabel }}
+    </button>
+    <a @click="openAdmin" class="font-mono text-sm text-art-muted mt-4">管理入口</a>
   </div>
 </template>
 
@@ -17,9 +21,12 @@
 import { useRouter } from 'vue-router'
 import { onMounted, onUpdated, ref, watch } from 'vue'
 import { usePublicSettings } from '../composables/usePublicSettings'
+import { useTheme } from '../composables/useTheme'
+import Icon from './Icon.vue'
 
 const router = useRouter()
 const { cache, getStringSetting } = usePublicSettings()
+const { themeIcon, themeLabel, cycleTheme } = useTheme()
 const visibleMenus = ref<string[]>(['home', 'blog', 'columns', 'works', 'videos', 'snippets', 'about', 'services'])
 
 const applyMenuSettings = () => {
@@ -50,7 +57,7 @@ const navigate = (target: string) => {
 }
 
 const openAdmin = () => {
-  window.open('admin.html', '_blank')
+  window.open('/admin', '_blank')
 }
 
 const refreshIcons = () => {
@@ -68,4 +75,4 @@ watch(cache, () => {
   applyMenuSettings()
 })
 onUpdated(refreshIcons)
-</script>
\ No newline at end of file
+</script>
diff --git a/client/src/components/SearchSuggestDropdown.vue b/client/src/components/SearchSuggestDropdown.vue
index 57c4226..c19cdd0 100644
--- a/client/src/components/SearchSuggestDropdown.vue
+++ b/client/src/components/SearchSuggestDropdown.vue
@@ -1,12 +1,12 @@
 <template>
   <div
     v-if="visible"
-    class="absolute left-0 right-0 top-full mt-2 z-30 bg-[#121214] border border-white/10 rounded-xl shadow-2xl overflow-hidden"
+    class="absolute left-0 right-0 top-full mt-2 z-30 bg-art-surface border border-art-border rounded-xl shadow-2xl overflow-hidden"
   >
-    <div v-if="history.length > 0" class="p-3 border-b border-white/5">
+    <div v-if="history.length > 0" class="p-3 border-b border-art-border">
       <div class="flex items-center justify-between mb-2">
         <span class="text-xs text-art-muted uppercase tracking-wider">搜索历史</span>
-        <button type="button" class="text-xs text-art-accent hover:text-white" @mousedown.prevent="emit('clear-history')">
+        <button type="button" class="text-xs text-art-accent hover:text-art-text" @mousedown.prevent="emit('clear-history')">
           清空
         </button>
       </div>
@@ -15,12 +15,12 @@
           v-for="item in history"
           :key="`history-${item}`"
           type="button"
-          class="group inline-flex items-center gap-1 px-3 py-1.5 rounded-full bg-white/5 hover:bg-white/10 text-sm text-white/80"
+          class="group inline-flex items-center gap-1 px-3 py-1.5 rounded-full bg-art-text/5 hover:bg-art-text/10 text-sm text-art-text/80"
           @mousedown.prevent="emit('select', item)"
         >
           <span>{{ item }}</span>
           <span
-            class="text-white/30 hover:text-white"
+            class="text-art-muted hover:text-art-text"
             @mousedown.prevent.stop="emit('remove-history', item)"
           >×</span>
         </button>
diff --git a/client/src/components/SnippetModal.vue b/client/src/components/SnippetModal.vue
index 0ba5d68..654008d 100644
--- a/client/src/components/SnippetModal.vue
+++ b/client/src/components/SnippetModal.vue
@@ -10,7 +10,7 @@
     >
     <div class="absolute inset-0 bg-black/90 backdrop-blur-sm" @click="close"></div>
     <div 
-      class="relative z-[101] bg-[#0a0a0c] border-0 md:border border-white/10 flex flex-col overflow-hidden shadow-2xl transform transition-all duration-300"
+      class="relative z-[101] bg-[#0a0a0c] border-0 md:border border-art-border flex flex-col overflow-hidden shadow-2xl transform transition-all duration-300"
       :class="[
         isAnimating ? 'scale-95' : 'scale-100',
         isMaximized
@@ -18,7 +18,7 @@
           : 'w-full max-w-6xl h-[100dvh] max-h-[100dvh] md:h-[80vh] md:max-h-[80vh] rounded-none md:rounded-2xl'
       ]"
     >
-      <div class="h-14 md:h-16 border-b border-white/10 flex items-center gap-3 px-4 md:px-6 bg-white/5 shrink-0 min-w-0">
+      <div class="h-14 md:h-16 border-b border-art-border flex items-center gap-3 px-4 md:px-6 bg-art-text/5 shrink-0 min-w-0">
         <div class="flex gap-2 shrink-0">
           <button
             type="button"
@@ -42,8 +42,8 @@
         <span class="font-bold text-white truncate text-sm md:text-base min-w-0 flex-1">{{ title }}</span>
       </div>
 
-      <div v-if="posts && posts.length > 0" class="px-4 md:px-6 py-2 bg-white/[0.02] border-b border-white/10 flex items-center gap-2 shrink-0 overflow-x-auto hide-scrollbar">
-        <span class="text-xs text-art-muted font-mono shrink-0">关联文章</span>
+      <div v-if="posts && posts.length > 0" class="px-4 md:px-6 py-2 bg-white/[0.02] border-b border-art-border flex items-center gap-2 shrink-0 overflow-x-auto hide-scrollbar">
+        <span class="text-xs text-white/50 font-mono shrink-0">关联文章</span>
         <a
           v-for="p in posts"
           :key="p.id"
@@ -58,7 +58,7 @@
       </div>
 
       <!-- Mobile tabs -->
-      <div class="md:hidden flex border-b border-white/10 shrink-0">
+      <div class="md:hidden flex border-b border-art-border shrink-0">
         <button
           type="button"
           class="flex-1 px-4 py-2.5 text-xs font-mono transition-colors"
@@ -84,13 +84,13 @@
       <div class="flex-1 flex flex-col md:flex-row min-h-0 overflow-hidden">
         <!-- Left: code panel -->
         <div
-          class="flex flex-col min-h-0 bg-[#0d0d0d] md:border-r border-white/10"
+          class="flex flex-col min-h-0 bg-[#0d0d0d] md:border-r border-art-border"
           :class="[
             codePanelCollapsed ? 'hidden' : 'w-full md:w-1/2',
             mobileTab === 'code' ? 'flex flex-1' : 'hidden md:flex'
           ]"
         >
-          <div class="sticky top-0 z-10 flex justify-end px-3 md:px-4 py-2 bg-[#0d0d0d]/95 backdrop-blur-sm border-b border-white/5 shrink-0">
+          <div class="sticky top-0 z-10 flex justify-end px-3 md:px-4 py-2 bg-[#0d0d0d]/95 backdrop-blur-sm border-b border-art-border shrink-0">
             <button
               class="text-xs bg-white/10 px-2 py-1 rounded text-white/50 hover:text-white transition-colors"
               @click="copyCode"
@@ -105,21 +105,21 @@
 
         <!-- Right: preview / description -->
         <div
-          class="relative flex flex-col min-h-0 overflow-hidden bg-[#1a1a1a]"
+          class="relative flex flex-col min-h-0 overflow-hidden bg-art-surface"
           :class="[
             codePanelCollapsed ? 'w-full md:w-full flex-1' : 'w-full md:w-1/2',
             mobileTab === 'preview' ? 'flex flex-1' : 'hidden md:flex'
           ]"
           :style="previewBackgroundStyle"
         >
-          <div v-if="showHtmlPreview" class="hidden md:flex items-center border-b border-white/10 shrink-0">
+          <div v-if="showHtmlPreview" class="hidden md:flex items-center border-b border-art-border shrink-0">
             <button
               v-for="tab in rightTabs"
               :key="tab.id"
               class="flex-1 px-4 py-2.5 text-xs font-mono transition-colors"
               :class="activeRightTab === tab.id
-                ? 'text-art-accent bg-white/5 border-b-2 border-art-accent'
-                : 'text-white/40 hover:text-white/70'"
+                ? 'text-art-accent bg-art-text/5 border-b-2 border-art-accent'
+                : 'text-art-muted hover:text-art-text/70'"
               @click="activeRightTab = tab.id"
             >
               {{ tab.label }}
@@ -127,21 +127,21 @@
             <button
               v-if="showCollapseToggle"
               type="button"
-              class="shrink-0 px-3 py-2 text-xs font-mono text-art-muted hover:text-white border-l border-white/10 transition-colors"
+              class="shrink-0 px-3 py-2 text-xs font-mono text-art-muted hover:text-art-text border-l border-art-border transition-colors"
               @click="codePanelCollapsed = !codePanelCollapsed"
             >
               {{ codePanelCollapsed ? '展开源码' : '收起源码' }}
             </button>
           </div>
 
-          <div v-if="showHtmlPreview" class="md:hidden flex border-b border-white/10 shrink-0">
+          <div v-if="showHtmlPreview" class="md:hidden flex border-b border-art-border shrink-0">
             <button
               v-for="tab in rightTabs"
               :key="tab.id"
               class="flex-1 px-3 py-2 text-xs font-mono transition-colors"
               :class="activeRightTab === tab.id
-                ? 'text-art-accent bg-white/5 border-b-2 border-art-accent'
-                : 'text-white/40'"
+                ? 'text-art-accent bg-art-text/5 border-b-2 border-art-accent'
+                : 'text-art-muted'"
               @click="activeRightTab = tab.id"
             >
               {{ tab.label }}
@@ -154,14 +154,14 @@
             sandbox="allow-scripts"
             :srcdoc="code"
           />
-          <div v-else class="flex-1 overflow-auto p-4 md:p-8 text-white/80 min-h-0">
+          <div v-else class="flex-1 overflow-auto p-4 md:p-8 text-art-text/80 min-h-0">
             <h4 v-if="!showHtmlPreview" class="text-sm text-art-muted mb-3">备注</h4>
             <article
               v-if="description"
-              class="snippet-description prose prose-invert prose-sm max-w-none text-art-muted leading-relaxed"
+              class="snippet-description prose prose-sm max-w-none text-art-muted leading-relaxed"
               v-html="renderedDescription"
             />
-            <p v-else class="text-sm text-white/30 font-mono">暂无备注</p>
+            <p v-else class="text-sm text-art-muted font-mono">暂无备注</p>
           </div>
         </div>
       </div>
@@ -300,10 +300,10 @@ const copyCode = () => {
 
 const previewBackgroundStyle = {
   backgroundImage: `
-    linear-gradient(45deg, #1a1a1a 25%, transparent 25%), 
-    linear-gradient(-45deg, #1a1a1a 25%, transparent 25%), 
-    linear-gradient(45deg, transparent 75%, #1a1a1a 75%), 
-    linear-gradient(-45deg, transparent 75%, #1a1a1a 75%)`,
+    linear-gradient(45deg, var(--art-checker) 25%, transparent 25%),
+    linear-gradient(-45deg, var(--art-checker) 25%, transparent 25%),
+    linear-gradient(45deg, transparent 75%, var(--art-checker) 75%),
+    linear-gradient(-45deg, transparent 75%, var(--art-checker) 75%)`,
   backgroundSize: '20px 20px',
   backgroundPosition: '0 0, 0 10px, 10px -10px, -10px 0px'
 }
@@ -333,7 +333,7 @@ const previewBackgroundStyle = {
 }
 
 :deep(.snippet-description.prose :not(pre) > code) {
-  color: #d4b383;
+  color: rgb(var(--art-accent));
   background-color: rgba(212, 179, 131, 0.1);
   padding: 0.2em 0.4em;
   border-radius: 0.3em;
@@ -344,7 +344,7 @@ const previewBackgroundStyle = {
 :deep(.snippet-description.prose h1),
 :deep(.snippet-description.prose h2),
 :deep(.snippet-description.prose h3) {
-  color: #fff;
+  color: rgb(var(--art-text));
   font-family: serif;
   margin-top: 1.5em;
   margin-bottom: 0.6em;
@@ -353,17 +353,17 @@ const previewBackgroundStyle = {
 
 :deep(.snippet-description.prose h2) {
   font-size: 1.25rem;
-  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
+  border-bottom: 1px solid var(--art-border);
   padding-bottom: 0.3rem;
 }
 
 :deep(.snippet-description.prose h3) {
   font-size: 1.1rem;
-  color: rgba(255, 255, 255, 0.9);
+  color: rgb(var(--art-text) / 0.9);
 }
 
 :deep(.snippet-description.prose a) {
-  color: #d4b383;
+  color: rgb(var(--art-accent));
   text-decoration: none;
   border-bottom: 1px dashed rgba(212, 179, 131, 0.5);
   transition: all 0.2s;
@@ -371,21 +371,21 @@ const previewBackgroundStyle = {
 }
 
 :deep(.snippet-description.prose a:hover) {
-  color: #fff;
+  color: rgb(var(--art-text));
   border-bottom-style: solid;
 }
 
 :deep(.snippet-description.prose blockquote) {
-  border-left: 3px solid #d4b383;
-  background: rgba(255, 255, 255, 0.02);
+  border-left: 3px solid rgb(var(--art-accent));
+  background: var(--art-card-bg);
   padding: 0.8rem 1rem;
   border-radius: 0 0.5rem 0.5rem 0;
-  color: rgba(255, 255, 255, 0.7);
+  color: rgb(var(--art-muted));
   font-style: italic;
 }
 
 :deep(.snippet-description.prose ul li::marker) {
-  color: #d4b383;
+  color: rgb(var(--art-accent));
 }
 
 :deep(.snippet-description.prose img) {
diff --git a/client/src/components/StarBackground.vue b/client/src/components/StarBackground.vue
index 295afa9..bbcad51 100644
--- a/client/src/components/StarBackground.vue
+++ b/client/src/components/StarBackground.vue
@@ -1,26 +1,32 @@
 <template>
-  <canvas ref="canvasRef" class="fixed inset-0 w-full h-full z-0 pointer-events-none"></canvas>
+  <canvas ref="canvasRef" class="ambient-bg-canvas fixed inset-0 w-full h-full z-0 pointer-events-none"></canvas>
 </template>
 
 <script setup lang="ts">
-import { onMounted, onUnmounted, ref } from 'vue'
+import { onMounted, onUnmounted, ref, watch } from 'vue'
+import { useTheme } from '../composables/useTheme'
 
 const canvasRef = ref<HTMLCanvasElement | null>(null)
+const { resolvedTheme } = useTheme()
 
-// --- 配置参数 ---
 const config = {
-  starCount: 150,      // 恢复到经典数量，避免过于密集
-  meteorChance: 0.003, // 自然流星概率
+  starCount: 150,
+  dustCount: 80,
+  meteorChance: 0.003,
+  orbCount: 3,
 }
 
-// 类型定义
+let running = false
+let reduceMotion = false
+let time = 0
+
 interface Star {
   x: number
   y: number
   radius: number
   alpha: number
   fadingOut: boolean
-  speed: number // 闪烁速度
+  speed: number
 }
 
 interface Meteor {
@@ -52,19 +58,54 @@ interface Particle {
   size: number
 }
 
-// 状态
+interface Dust {
+  x: number
+  y: number
+  radius: number
+  alpha: number
+  fadingOut: boolean
+  speed: number
+  baseAlpha: number
+}
+
+interface Orb {
+  baseX: number
+  baseY: number
+  radius: number
+  ampX: number
+  ampY: number
+  phaseX: number
+  phaseY: number
+  speed: number
+  alpha: number
+  color: string
+}
+
 let ctx: CanvasRenderingContext2D | null = null
 let animationFrameId: number
 let width = 0
 let height = 0
 
-// 对象池
 const stars: Star[] = []
 const meteors: Meteor[] = []
 const waves: Wave[] = []
 const particles: Particle[] = []
+const dust: Dust[] = []
+const orbs: Orb[] = []
+
+const prefersReducedMotion = () =>
+  typeof window !== 'undefined' &&
+  window.matchMedia('(prefers-reduced-motion: reduce)').matches
+
+const clearPools = () => {
+  stars.length = 0
+  meteors.length = 0
+  waves.length = 0
+  particles.length = 0
+  dust.length = 0
+  orbs.length = 0
+}
 
-// 初始化星星 (经典随机分布)
 const initStars = () => {
   stars.length = 0
   for (let i = 0; i < config.starCount; i++) {
@@ -74,55 +115,77 @@ const initStars = () => {
       radius: Math.random() * 1.5,
       alpha: Math.random(),
       fadingOut: Math.random() > 0.5,
-      speed: Math.random() * 0.02 + 0.005
+      speed: Math.random() * 0.02 + 0.005,
     })
   }
 }
 
-// 渲染循环
-const render = () => {
-  if (!ctx || !canvasRef.value) return
-
-  // 1. 清空画布
-  ctx.clearRect(0, 0, width, height)
-
-  // 2. 绘制星星 (经典呼吸闪烁)
-  ctx.fillStyle = '#FFF'
-  stars.forEach(star => {
-    if (star.fadingOut) {
-      star.alpha -= star.speed
-      if (star.alpha < 0) {
-        star.alpha = 0
-        star.fadingOut = false
-      }
-    } else {
-      star.alpha += star.speed
-      if (star.alpha > 1) {
-        star.alpha = 1
-        star.fadingOut = true
-      }
-    }
-
-    ctx!.globalAlpha = star.alpha
-    ctx!.beginPath()
-    ctx!.arc(star.x, star.y, star.radius, 0, Math.PI * 2)
-    ctx!.fill()
-  })
-  ctx.globalAlpha = 1
-
-  // 3. 绘制流星
-  updateAndDrawMeteors()
-
-  // 4. 绘制波纹 (Shockwave - 随机颜色)
-  updateAndDrawWaves()
-
-  // 5. 绘制粒子 (Sparks - 物理效果)
-  updateAndDrawParticles()
-
-  animationFrameId = requestAnimationFrame(render)
+const initDust = () => {
+  dust.length = 0
+  for (let i = 0; i < config.dustCount; i++) {
+    const baseAlpha = Math.random() * 0.35 + 0.15
+    dust.push({
+      x: Math.random() * width,
+      y: Math.random() * height,
+      radius: Math.random() * 1.8 + 0.4,
+      alpha: baseAlpha,
+      fadingOut: Math.random() > 0.5,
+      speed: Math.random() * 0.008 + 0.003,
+      baseAlpha,
+    })
+  }
 }
 
-// --- 辅助绘制函数 ---
+const initOrbs = () => {
+  orbs.length = 0
+  const palette = [
+    'rgba(212, 179, 131, 0.22)',
+    'rgba(196, 150, 90, 0.16)',
+    'rgba(232, 200, 150, 0.18)',
+  ]
+  const placements = [
+    { bx: 0.15, by: 0.2 },
+    { bx: 0.82, by: 0.35 },
+    { bx: 0.45, by: 0.78 },
+  ]
+  for (let i = 0; i < config.orbCount; i++) {
+    const p = placements[i] || { bx: Math.random(), by: Math.random() }
+    orbs.push({
+      baseX: p.bx * width,
+      baseY: p.by * height,
+      radius: Math.min(width, height) * (0.28 + Math.random() * 0.12),
+      ampX: 40 + Math.random() * 60,
+      ampY: 30 + Math.random() * 50,
+      phaseX: Math.random() * Math.PI * 2,
+      phaseY: Math.random() * Math.PI * 2,
+      speed: 0.00025 + Math.random() * 0.0002,
+      alpha: 0.55 + Math.random() * 0.25,
+      color: palette[i % palette.length],
+    })
+  }
+}
+
+const initForTheme = () => {
+  clearPools()
+  if (resolvedTheme.value === 'dark') {
+    initStars()
+  } else {
+    initOrbs()
+    initDust()
+  }
+}
+
+const createMeteor = () => {
+  meteors.push({
+    x: Math.random() * width,
+    y: 0,
+    length: Math.random() * 80 + 20,
+    speed: Math.random() * 10 + 5,
+    angle: Math.PI / 4,
+    alpha: 1,
+    width: Math.random() * 1.5 + 0.5,
+  })
+}
 
 const updateAndDrawMeteors = () => {
   if (Math.random() < config.meteorChance) createMeteor()
@@ -134,7 +197,6 @@ const updateAndDrawMeteors = () => {
     const endX = m.x - m.length * Math.cos(m.angle)
     const endY = m.y - m.length * Math.sin(m.angle)
 
-    // 流星尾巴渐变
     const gradient = ctx.createLinearGradient(m.x, m.y, endX, endY)
     gradient.addColorStop(0, `rgba(255, 255, 255, ${m.alpha})`)
     gradient.addColorStop(1, 'rgba(255, 255, 255, 0)')
@@ -155,19 +217,20 @@ const updateAndDrawMeteors = () => {
   }
 }
 
-const updateAndDrawWaves = () => {
+const updateAndDrawWaves = (isLight: boolean) => {
   for (let i = waves.length - 1; i >= 0; i--) {
     const w = waves[i]
     if (!ctx) break
 
     ctx.beginPath()
     ctx.arc(w.x, w.y, w.radius, 0, Math.PI * 2)
-    // 使用 HSL 随机色
-    ctx.strokeStyle = `hsla(${w.hue}, 70%, 60%, ${w.alpha})`
+    ctx.strokeStyle = isLight
+      ? `hsla(${w.hue}, 45%, 48%, ${w.alpha * 0.85})`
+      : `hsla(${w.hue}, 70%, 60%, ${w.alpha})`
     ctx.lineWidth = w.lineWidth
     ctx.stroke()
 
-    w.radius += 2
+    w.radius += isLight ? 1.6 : 2
     w.alpha -= 0.02
     w.lineWidth *= 0.95
 
@@ -187,10 +250,9 @@ const updateAndDrawParticles = () => {
 
     p.x += p.vx
     p.y += p.vy
-    p.vy += 0.05 // 重力
+    p.vy += 0.05
     p.vx *= 0.96
     p.vy *= 0.96
-
     p.life -= 0.02
     p.size *= 0.96
 
@@ -198,38 +260,130 @@ const updateAndDrawParticles = () => {
   }
 }
 
-const createMeteor = () => {
-  const startX = Math.random() * width
-  const angle = Math.PI / 4 // 45度
-  meteors.push({
-    x: startX,
-    y: 0,
-    length: Math.random() * 80 + 20,
-    speed: Math.random() * 10 + 5,
-    angle: angle,
-    alpha: 1,
-    width: Math.random() * 1.5 + 0.5
+const drawDark = () => {
+  if (!ctx) return
+
+  ctx.fillStyle = '#FFF'
+  stars.forEach((star) => {
+    if (!reduceMotion) {
+      if (star.fadingOut) {
+        star.alpha -= star.speed
+        if (star.alpha < 0) {
+          star.alpha = 0
+          star.fadingOut = false
+        }
+      } else {
+        star.alpha += star.speed
+        if (star.alpha > 1) {
+          star.alpha = 1
+          star.fadingOut = true
+        }
+      }
+    }
+
+    ctx!.globalAlpha = star.alpha
+    ctx!.beginPath()
+    ctx!.arc(star.x, star.y, star.radius, 0, Math.PI * 2)
+    ctx!.fill()
   })
+  ctx.globalAlpha = 1
+
+  if (!reduceMotion) {
+    updateAndDrawMeteors()
+  }
+  updateAndDrawWaves(false)
+  updateAndDrawParticles()
 }
 
-// 交互处理
-const handleClick = (e: MouseEvent) => {
-  const hue = Math.floor(Math.random() * 360)
+const drawLight = () => {
+  if (!ctx) return
+
+  // Aurora orbs
+  orbs.forEach((orb) => {
+    const x = reduceMotion
+      ? orb.baseX
+      : orb.baseX + Math.sin(time * orb.speed + orb.phaseX) * orb.ampX
+    const y = reduceMotion
+      ? orb.baseY
+      : orb.baseY + Math.cos(time * orb.speed * 0.85 + orb.phaseY) * orb.ampY
+
+    const mid = orb.color.replace(/,\s*[\d.]+\)$/, ', 0.08)')
+    const gradient = ctx!.createRadialGradient(x, y, 0, x, y, orb.radius)
+    gradient.addColorStop(0, orb.color)
+    gradient.addColorStop(0.45, mid)
+    gradient.addColorStop(1, 'rgba(212, 179, 131, 0)')
+
+    ctx!.globalAlpha = orb.alpha
+    ctx!.fillStyle = gradient
+    ctx!.beginPath()
+    ctx!.arc(x, y, orb.radius, 0, Math.PI * 2)
+    ctx!.fill()
+  })
+  ctx.globalAlpha = 1
+
+  // Gold dust
+  dust.forEach((d) => {
+    if (!reduceMotion) {
+      if (d.fadingOut) {
+        d.alpha -= d.speed
+        if (d.alpha < d.baseAlpha * 0.25) {
+          d.alpha = d.baseAlpha * 0.25
+          d.fadingOut = false
+        }
+      } else {
+        d.alpha += d.speed
+        if (d.alpha > d.baseAlpha) {
+          d.alpha = d.baseAlpha
+          d.fadingOut = true
+        }
+      }
+    }
+
+    ctx!.globalAlpha = d.alpha
+    ctx!.fillStyle = 'rgb(196, 155, 95)'
+    ctx!.beginPath()
+    ctx!.arc(d.x, d.y, d.radius, 0, Math.PI * 2)
+    ctx!.fill()
+  })
+  ctx.globalAlpha = 1
+
+  updateAndDrawWaves(true)
+  updateAndDrawParticles()
+}
+
+const render = () => {
+  if (!running || !ctx || !canvasRef.value) return
+
+  ctx.clearRect(0, 0, width, height)
+  if (!reduceMotion) time += 16
+
+  if (resolvedTheme.value === 'dark') {
+    drawDark()
+  } else {
+    drawLight()
+  }
+
+  animationFrameId = requestAnimationFrame(render)
+}
+
+const handleClick = (e: MouseEvent) => {
+  if (!running || reduceMotion) return
+
+  const isLight = resolvedTheme.value === 'light'
+  const hue = isLight ? 35 + Math.floor(Math.random() * 12) : Math.floor(Math.random() * 360)
 
-  // 1. 波纹
   waves.push({
     x: e.clientX,
     y: e.clientY,
     radius: 0,
-    alpha: 1,
-    lineWidth: 3,
-    hue: hue
+    alpha: isLight ? 0.9 : 1,
+    lineWidth: isLight ? 2.5 : 3,
+    hue,
   })
 
-  // 2. 粒子
   const particleCount = 10
   for (let i = 0; i < particleCount; i++) {
-    const angle = (Math.PI * 2 / particleCount) * i
+    const angle = ((Math.PI * 2) / particleCount) * i
     const speed = Math.random() * 3 + 1
     particles.push({
       x: e.clientX,
@@ -237,41 +391,75 @@ const handleClick = (e: MouseEvent) => {
       vx: Math.cos(angle) * speed,
       vy: Math.sin(angle) * speed,
       life: 1.0,
-      color: `hsla(${hue}, 80%, 70%, 1)`, // 粒子跟随波纹颜色
-      size: Math.random() * 2 + 1
+      color: isLight
+        ? `hsla(${hue}, 50%, 52%, 0.9)`
+        : `hsla(${hue}, 80%, 70%, 1)`,
+      size: Math.random() * 2 + 1,
     })
   }
 
-  // 3. 点击触发流星
-  createMeteor()
+  if (!isLight) createMeteor()
 }
 
 const handleResize = () => {
-  if (canvasRef.value) {
-    width = window.innerWidth
-    height = window.innerHeight
-    canvasRef.value.width = width
-    canvasRef.value.height = height
-    initStars()
+  if (!canvasRef.value) return
+  width = window.innerWidth
+  height = window.innerHeight
+  canvasRef.value.width = width
+  canvasRef.value.height = height
+  initForTheme()
+}
+
+const startLoop = () => {
+  if (running) return
+  running = true
+  render()
+}
+
+const stopLoop = () => {
+  running = false
+  cancelAnimationFrame(animationFrameId)
+  if (ctx && canvasRef.value) {
+    ctx.clearRect(0, 0, width, height)
   }
 }
 
+const syncMotionPreference = () => {
+  reduceMotion = prefersReducedMotion()
+}
+
+let motionQuery: MediaQueryList | null = null
+const onMotionChange = () => {
+  syncMotionPreference()
+}
+
 onMounted(() => {
-  if (canvasRef.value) {
-    ctx = canvasRef.value.getContext('2d')
-    handleResize()
+  if (!canvasRef.value) return
+  ctx = canvasRef.value.getContext('2d')
+  syncMotionPreference()
+  handleResize()
 
-    window.addEventListener('resize', handleResize)
-    window.addEventListener('click', handleClick)
+  window.addEventListener('resize', handleResize)
+  window.addEventListener('click', handleClick)
 
-    render()
-  }
+  motionQuery = window.matchMedia('(prefers-reduced-motion: reduce)')
+  motionQuery.addEventListener('change', onMotionChange)
+
+  // Always run ambient layer for both themes (static draw when reduced motion)
+  startLoop()
+})
+
+watch(resolvedTheme, () => {
+  clearPools()
+  initForTheme()
+  if (!running) startLoop()
 })
 
 onUnmounted(() => {
-  cancelAnimationFrame(animationFrameId)
+  stopLoop()
   window.removeEventListener('resize', handleResize)
   window.removeEventListener('click', handleClick)
+  motionQuery?.removeEventListener('change', onMotionChange)
 })
 </script>
 
@@ -279,4 +467,4 @@ onUnmounted(() => {
 canvas {
   display: block;
 }
-</style>
\ No newline at end of file
+</style>
diff --git a/client/src/components/UserProfileModal.vue b/client/src/components/UserProfileModal.vue
index 88311d6..202cfd7 100644
--- a/client/src/components/UserProfileModal.vue
+++ b/client/src/components/UserProfileModal.vue
@@ -8,13 +8,13 @@
       <div class="absolute inset-0 bg-black/80 backdrop-blur-sm" @click="close" />
 
       <div
-        class="relative z-10 w-full max-w-2xl max-h-[90vh] overflow-y-auto admin-card border border-white/10 shadow-2xl animate-reveal custom-scrollbar"
+        class="relative z-10 w-full max-w-2xl max-h-[90vh] overflow-y-auto bg-art-surface border border-art-border rounded-lg shadow-2xl animate-reveal custom-scrollbar"
         role="dialog"
         aria-modal="true"
       >
         <button
           type="button"
-          class="absolute top-4 right-4 z-10 text-white/40 hover:text-white transition-colors"
+          class="absolute top-4 right-4 z-10 text-art-muted hover:text-art-text transition-colors"
           aria-label="关闭"
           @click="close"
         >
@@ -25,17 +25,17 @@
         <div v-else-if="error" class="p-12 text-center text-art-error">{{ error }}</div>
         <template v-else-if="profile">
           <!-- Header -->
-          <div class="p-6 md:p-8 border-b border-white/5">
+          <div class="p-6 md:p-8 border-b border-art-border">
             <div class="flex items-start gap-4 md:gap-6">
-              <div class="shrink-0 w-16 h-16 md:w-20 md:h-20 rounded-full overflow-hidden border border-white/20 bg-white/5 flex items-center justify-center">
+              <div class="shrink-0 w-16 h-16 md:w-20 md:h-20 rounded-full overflow-hidden border border-art-border bg-art-text/5 flex items-center justify-center">
                 <img v-if="profile.avatar" :src="profile.avatar" :alt="profile.username" class="w-full h-full object-cover" />
                 <span v-else class="text-2xl font-semibold text-art-accent uppercase">{{ profile.username.charAt(0) }}</span>
               </div>
               <div class="min-w-0 flex-1 pt-1">
-                <h2 class="text-xl md:text-2xl font-serif text-white mb-1">{{ profile.username }}</h2>
+                <h2 class="text-xl md:text-2xl font-serif text-art-text mb-1">{{ profile.username }}</h2>
                 <p v-if="profile.email" class="text-sm text-art-muted truncate">{{ profile.email }}</p>
                 <p v-if="profile.phone" class="text-sm text-art-muted mt-0.5">{{ profile.phone }}</p>
-                <p v-if="profile.bio" class="text-sm text-white/70 mt-3 leading-relaxed">{{ profile.bio }}</p>
+                <p v-if="profile.bio" class="text-sm text-art-text/70 mt-3 leading-relaxed">{{ profile.bio }}</p>
               </div>
             </div>
 
@@ -48,14 +48,14 @@
               >
                 <button
                   type="button"
-                  class="text-sm text-art-accent hover:text-white transition-colors link-underline cursor-pointer"
+                  class="text-sm text-art-accent hover:text-art-text transition-colors link-underline cursor-pointer"
                 >
                   点击查看微信二维码加好友
                 </button>
                 <Transition name="fade">
                   <div
                     v-if="showQr"
-                    class="absolute left-0 top-full mt-2 z-20 p-4 bg-art-surface border border-white/10 rounded-lg shadow-xl min-w-[180px]"
+                    class="absolute left-0 top-full mt-2 z-20 p-4 bg-art-surface border border-art-border rounded-lg shadow-xl min-w-[180px]"
                   >
                     <img
                       v-if="qrImageSrc"
@@ -73,7 +73,7 @@
           <!-- Posts -->
           <div class="p-6 md:p-8 grid grid-cols-1 md:grid-cols-2 gap-6">
             <div>
-              <h3 class="text-sm font-medium text-white/80 mb-3 uppercase tracking-wider">最近发布</h3>
+              <h3 class="text-sm font-medium text-art-text/80 mb-3 uppercase tracking-wider">最近发布</h3>
               <ul v-if="recentPosts.length" class="space-y-2">
                 <li v-for="post in recentPosts" :key="post.id">
                   <router-link
@@ -88,7 +88,7 @@
               <p v-else class="text-xs text-art-muted">暂无文章</p>
             </div>
             <div>
-              <h3 class="text-sm font-medium text-white/80 mb-3 uppercase tracking-wider">浏览最多</h3>
+              <h3 class="text-sm font-medium text-art-text/80 mb-3 uppercase tracking-wider">浏览最多</h3>
               <ul v-if="popularPosts.length" class="space-y-2">
                 <li v-for="post in popularPosts" :key="post.id">
                   <router-link
@@ -97,7 +97,7 @@
                     @click="close"
                   >
                     {{ post.title }}
-                    <span v-if="post.readCount" class="text-xs text-white/30 ml-1">({{ post.readCount }})</span>
+                    <span v-if="post.readCount" class="text-xs text-art-muted ml-1">({{ post.readCount }})</span>
                   </router-link>
                 </li>
               </ul>
diff --git a/client/src/components/ui/EmailAutocomplete.vue b/client/src/components/ui/EmailAutocomplete.vue
index 0a3754b..60fd55f 100644
--- a/client/src/components/ui/EmailAutocomplete.vue
+++ b/client/src/components/ui/EmailAutocomplete.vue
@@ -14,20 +14,20 @@
     >
     <label 
       v-if="variant === 'inquiry'"
-      class="absolute left-0 top-2 text-white/30 text-xs font-mono transition-all pointer-events-none peer-focus:-top-4 peer-focus:text-art-accent peer-[:not(:placeholder-shown)]:-top-4 peer-[:not(:placeholder-shown)]:text-white/50 peer-autofill:-top-4 peer-autofill:text-white/50"
+      class="absolute left-0 top-2 text-art-muted text-xs font-mono transition-all pointer-events-none peer-focus:-top-4 peer-focus:text-art-accent peer-[:not(:placeholder-shown)]:-top-4 peer-[:not(:placeholder-shown)]:text-art-muted peer-autofill:-top-4 peer-autofill:text-art-muted"
     >{{ label }}</label>
 
     <!-- Autocomplete Dropdown -->
-    <div v-if="showDropdown && (suggestions.length > 0 || matchedUsers.length > 0)" class="absolute z-[9999] left-0 right-0 top-full mt-1 bg-[#1a1a1a] border border-white/10 shadow-lg max-h-48 overflow-y-auto rounded-b-md">
-      <div v-if="matchedUsers.length > 0" class="border-b border-white/5">
+    <div v-if="showDropdown && (suggestions.length > 0 || matchedUsers.length > 0)" class="absolute z-[9999] left-0 right-0 top-full mt-1 bg-art-surface border border-art-border shadow-lg max-h-48 overflow-y-auto rounded-b-md">
+      <div v-if="matchedUsers.length > 0" class="border-b border-art-border">
         <div class="px-3 py-1.5 text-[10px] text-art-muted uppercase tracking-wider">已注册用户</div>
         <div
           v-for="user in matchedUsers"
           :key="user.id"
-          class="px-4 py-2 text-sm text-white/70 hover:bg-art-accent hover:text-black cursor-pointer transition-colors flex items-center gap-2"
+          class="px-4 py-2 text-sm text-art-text/70 hover:bg-art-accent hover:text-black cursor-pointer transition-colors flex items-center gap-2"
           @mousedown.prevent="selectUser(user)"
         >
-          <div class="w-6 h-6 rounded-full overflow-hidden bg-white/10 shrink-0 flex items-center justify-center text-xs text-art-accent">
+          <div class="w-6 h-6 rounded-full overflow-hidden bg-art-text/10 shrink-0 flex items-center justify-center text-xs text-art-accent">
             <img v-if="user.avatar" :src="user.avatar" :alt="user.username" class="w-full h-full object-cover" />
             <span v-else>{{ user.username.charAt(0).toUpperCase() }}</span>
           </div>
@@ -40,7 +40,7 @@
       <div 
         v-for="(suggestion, index) in suggestions" 
         :key="'s-' + index"
-        class="px-4 py-2 text-sm text-white/70 hover:bg-art-accent hover:text-black cursor-pointer transition-colors font-mono"
+        class="px-4 py-2 text-sm text-art-text/70 hover:bg-art-accent hover:text-black cursor-pointer transition-colors font-mono"
         @mousedown.prevent="selectSuggestion(suggestion)"
       >
         {{ suggestion }}
@@ -77,7 +77,7 @@ const inputClass = computed(() => {
   if (props.variant === 'admin') {
     return 'admin-input w-full peer'
   }
-  return 'inquiry-input peer w-full bg-transparent border-b border-white/20 py-2 text-white font-serif text-lg focus:border-art-accent outline-none transition-colors placeholder-transparent'
+  return 'inquiry-input peer w-full bg-transparent border-b border-art-border py-2 text-art-text font-serif text-lg focus:border-art-accent outline-none transition-colors placeholder-transparent'
 })
 
 const showDropdown = ref(false)
@@ -146,9 +146,9 @@ const selectUser = (user: User) => {
 .inquiry-input:-webkit-autofill:hover,
 .inquiry-input:-webkit-autofill:focus,
 .inquiry-input:-webkit-autofill:active {
-  -webkit-box-shadow: 0 0 0 1000px #080808 inset !important;
-  -webkit-text-fill-color: white !important;
-  caret-color: white;
+  -webkit-box-shadow: 0 0 0 1000px rgb(var(--art-input-autofill)) inset !important;
+  -webkit-text-fill-color: rgb(var(--art-input-autofill-text)) !important;
+  caret-color: rgb(var(--art-input-autofill-text));
   transition: background-color 5000s ease-in-out 0s;
 }
 </style>
diff --git a/client/src/components/ui/RadioGroup.vue b/client/src/components/ui/RadioGroup.vue
index 2435560..2c38428 100644
--- a/client/src/components/ui/RadioGroup.vue
+++ b/client/src/components/ui/RadioGroup.vue
@@ -9,7 +9,7 @@
         @change="$emit('update:modelValue', option.value)"
         class="peer hidden"
       >
-      <span class="px-4 py-2 border border-white/10 rounded-none text-xs font-mono text-white/50 hover:border-art-accent hover:text-white transition-all peer-checked:bg-art-accent peer-checked:text-black peer-checked:border-art-accent flex items-center gap-2">
+      <span class="px-4 py-2 border border-art-border rounded-none text-xs font-mono text-art-muted hover:border-art-accent hover:text-art-text transition-all peer-checked:bg-art-accent peer-checked:text-black peer-checked:border-art-accent flex items-center gap-2">
         <i v-if="option.icon" :data-lucide="option.icon" class="w-3 h-3"></i>
         {{ option.label }}
       </span>
diff --git a/client/src/composables/useTheme.ts b/client/src/composables/useTheme.ts
new file mode 100644
index 0000000..a6b5118
--- /dev/null
+++ b/client/src/composables/useTheme.ts
@@ -0,0 +1,112 @@
+import { computed, ref, type Ref } from 'vue'
+
+export type ThemePref = 'system' | 'light' | 'dark'
+export type ResolvedTheme = 'light' | 'dark'
+
+const STORAGE_KEY = 'theme-pref'
+
+const themePref = ref<ThemePref>('system')
+const resolvedTheme = ref<ResolvedTheme>('dark')
+const forceDark = ref(false)
+let initialized = false
+let mediaQuery: MediaQueryList | null = null
+
+function getSystemTheme(): ResolvedTheme {
+  if (typeof window === 'undefined') return 'dark'
+  return window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light'
+}
+
+function readStoredPref(): ThemePref {
+  try {
+    const raw = localStorage.getItem(STORAGE_KEY)
+    if (raw === 'light' || raw === 'dark' || raw === 'system') return raw
+  } catch {
+    /* ignore */
+  }
+  return 'system'
+}
+
+function resolve(pref: ThemePref): ResolvedTheme {
+  if (forceDark.value) return 'dark'
+  if (pref === 'system') return getSystemTheme()
+  return pref
+}
+
+function applyToDocument(theme: ResolvedTheme) {
+  const root = document.documentElement
+  root.classList.toggle('dark', theme === 'dark')
+  root.style.colorScheme = theme
+  resolvedTheme.value = theme
+}
+
+function recompute() {
+  applyToDocument(resolve(themePref.value))
+}
+
+function onSystemChange() {
+  if (themePref.value === 'system' && !forceDark.value) {
+    recompute()
+  }
+}
+
+export function setForceDark(enabled: boolean) {
+  forceDark.value = enabled
+  recompute()
+}
+
+export function setThemePref(pref: ThemePref) {
+  themePref.value = pref
+  try {
+    localStorage.setItem(STORAGE_KEY, pref)
+  } catch {
+    /* ignore */
+  }
+  recompute()
+}
+
+export function cycleTheme() {
+  const order: ThemePref[] = ['system', 'light', 'dark']
+  const idx = order.indexOf(themePref.value)
+  setThemePref(order[(idx + 1) % order.length])
+}
+
+export function initTheme() {
+  if (initialized) {
+    recompute()
+    return
+  }
+  initialized = true
+  themePref.value = readStoredPref()
+  mediaQuery = window.matchMedia('(prefers-color-scheme: dark)')
+  mediaQuery.addEventListener('change', onSystemChange)
+  recompute()
+}
+
+export function useTheme() {
+  if (typeof window !== 'undefined' && !initialized) {
+    initTheme()
+  }
+
+  const themeIcon = computed(() => {
+    if (themePref.value === 'system') return 'monitor'
+    if (themePref.value === 'light') return 'sun'
+    return 'moon'
+  })
+
+  const themeLabel = computed(() => {
+    if (themePref.value === 'system') return '跟随系统'
+    if (themePref.value === 'light') return '亮色'
+    return '暗色'
+  })
+
+  return {
+    themePref: themePref as Ref<ThemePref>,
+    resolvedTheme: resolvedTheme as Ref<ResolvedTheme>,
+    themeIcon,
+    themeLabel,
+    setThemePref,
+    cycleTheme,
+    setForceDark,
+    initTheme,
+  }
+}
diff --git a/client/src/pages/About.vue b/client/src/pages/About.vue
index 6fadfde..c32e533 100644
--- a/client/src/pages/About.vue
+++ b/client/src/pages/About.vue
@@ -9,7 +9,7 @@
       <!-- Error state -->
       <div v-else-if="error" class="text-center text-red-500 py-20">
         <p class="mb-4">{{ error }}</p>
-        <button @click="fetchProfileData" class="px-4 py-2 bg-art-accent text-white rounded hover:bg-opacity-80 transition-colors">
+        <button @click="fetchProfileData" class="px-4 py-2 bg-art-accent text-art-text rounded hover:bg-opacity-80 transition-colors">
           重试
         </button>
       </div>
@@ -19,7 +19,7 @@
         <div class="space-y-8">
           <div>
             <span class="text-art-accent font-mono text-sm tracking-widest uppercase">个人档案</span>
-            <h2 class="font-serif text-5xl italic text-white mt-2 mb-6">关于我</h2>
+            <h2 class="font-serif text-5xl italic text-art-text mt-2 mb-6">关于我</h2>
           </div>
           <div class="flex items-center gap-6">
             <div class="w-24 h-24 rounded-full overflow-hidden border-2 border-art-accent/50 shadow-2xl">
@@ -30,22 +30,22 @@
               >
             </div>
             <div class="space-y-2">
-              <h3 class="text-2xl font-bold text-white">{{ profile.name }}</h3>
+              <h3 class="text-2xl font-bold text-art-text">{{ profile.name }}</h3>
               <div class="flex items-center gap-2 text-sm text-art-muted">
                 <i data-lucide="map-pin" class="w-4 h-4 text-art-accent"></i>
                 <span>{{ profile.location }}</span>
               </div>
             </div>
           </div>
-          <div class="prose prose-invert text-art-muted font-light leading-relaxed">
+          <div class="prose text-art-muted font-light leading-relaxed">
             <p v-html="profile.bio"></p>
           </div>
-          <div class="bg-white/5 border border-white/5 p-6 rounded-xl backdrop-blur-sm mt-6">
-            <h4 class="text-white font-bold mb-4 flex items-center gap-2">
+          <div class="bg-art-text/5 border border-art-border p-6 rounded-xl backdrop-blur-sm mt-6">
+            <h4 class="text-art-text font-bold mb-4 flex items-center gap-2">
               <i data-lucide="contact" class="w-4 h-4 text-art-accent"></i> 联系方式
             </h4>
             <div class="space-y-3 text-sm">
-              <a :href="'mailto:' + profile.contact.email" class="flex items-center gap-2 text-art-muted hover:text-white transition-colors">
+              <a :href="'mailto:' + profile.contact.email" class="flex items-center gap-2 text-art-muted hover:text-art-text transition-colors">
                 <i data-lucide="mail" class="w-4 h-4 text-art-accent"></i>
                 <span>{{ profile.contact.email }}</span>
               </a>
@@ -57,28 +57,28 @@
           </div>
         </div>
         <div class="space-y-8">
-          <div class="bg-white/5 border border-white/5 p-8 rounded-2xl backdrop-blur-sm">
-            <h3 class="text-xl font-bold text-white mb-6 flex items-center gap-2">
+          <div class="bg-art-text/5 border border-art-border p-8 rounded-2xl backdrop-blur-sm">
+            <h3 class="text-xl font-bold text-art-text mb-6 flex items-center gap-2">
               <i data-lucide="cpu" class="w-5 h-5 text-art-accent"></i> 技术栈
             </h3>
             <div class="flex flex-wrap gap-2 mb-10">
               <span 
                 v-for="(tech, index) in profile.techStack" 
                 :key="index"
-                class="px-3 py-1 bg-white/5 rounded-full text-xs text-white/80 border border-white/10"
+                class="px-3 py-1 bg-art-text/5 rounded-full text-xs text-art-text/80 border border-art-border"
               >
                 {{ tech }}
               </span>
             </div>
 
-            <h3 class="text-xl font-bold text-white mb-6 flex items-center gap-2">
+            <h3 class="text-xl font-bold text-art-text mb-6 flex items-center gap-2">
               <i data-lucide="briefcase" class="w-5 h-5 text-art-accent"></i> 经历
             </h3>
-            <div class="space-y-6 relative border-l border-white/10 ml-2 pl-6">
+            <div class="space-y-6 relative border-l border-art-border ml-2 pl-6">
               <div v-for="(exp, index) in profile.experiences" :key="index" class="relative">
-                <div class="absolute -left-[29px] top-1.5 w-3 h-3 rounded-full" :class="index === 0 ? 'bg-art-accent' : 'bg-white/20'"></div>
+                <div class="absolute -left-[29px] top-1.5 w-3 h-3 rounded-full" :class="index === 0 ? 'bg-art-accent' : 'bg-art-text/20'"></div>
                 <div class="text-sm font-mono mb-1" :class="index === 0 ? 'text-art-accent' : 'text-art-muted'">{{ exp.year }}</div>
-                <div class="text-white font-bold">{{ exp.role }}</div>
+                <div class="text-art-text font-bold">{{ exp.role }}</div>
                 <div class="text-xs text-art-muted">{{ exp.company }}</div>
               </div>
             </div>
diff --git a/client/src/pages/Blog.vue b/client/src/pages/Blog.vue
index c101a9b..5db4985 100644
--- a/client/src/pages/Blog.vue
+++ b/client/src/pages/Blog.vue
@@ -2,7 +2,7 @@
   <section id="blog" class="page-section block animate-slide-down">
     <div class="max-w-4xl mx-auto pt-32 px-6 pb-20">
       <div class="mb-16 text-center">
-        <h2 class="font-serif text-5xl italic text-white mb-6">深度思考</h2>
+        <h2 class="font-serif text-5xl italic text-art-text mb-6">深度思考</h2>
         <p class="text-art-muted max-w-lg mx-auto mb-8">关于前端技术、交互设计以及数字艺术的深度思考。</p>
         
         <!-- Search UI -->
@@ -14,7 +14,7 @@
             @blur="handleSearchBlur"
             @keyup.enter="handleSearch"
             placeholder="搜索文章标题或内容..." 
-            class="w-full bg-white/5 border border-white/10 rounded-full px-6 py-3 text-white placeholder-white/30 focus:outline-none focus:border-art-accent transition-colors"
+            class="w-full bg-art-text/5 border border-art-border rounded-full px-6 py-3 text-art-text placeholder-art-muted focus:outline-none focus:border-art-accent transition-colors"
           />
           <SearchSuggestDropdown
             :visible="showSearchSuggest"
@@ -28,13 +28,13 @@
           <button 
             v-if="searchQuery" 
             @click="clearSearch"
-            class="absolute right-12 top-1/2 -translate-y-1/2 text-white/30 hover:text-white transition-colors"
+            class="absolute right-12 top-1/2 -translate-y-1/2 text-art-muted hover:text-art-text transition-colors"
           >
             <i data-lucide="x" class="w-4 h-4"></i>
           </button>
           <button 
             @click="handleSearch"
-            class="absolute right-4 top-1/2 -translate-y-1/2 text-white/50 hover:text-art-accent transition-colors"
+            class="absolute right-4 top-1/2 -translate-y-1/2 text-art-muted hover:text-art-accent transition-colors"
           >
             <i data-lucide="search" class="w-5 h-5"></i>
           </button>
@@ -69,7 +69,7 @@
           <button 
             v-if="hasActiveFilters"
             @click="clearFilters"
-            class="text-xs text-art-accent hover:text-white transition-colors px-3 py-1 border border-art-accent/30 rounded hover:border-art-accent"
+            class="text-xs text-art-accent hover:text-art-text transition-colors px-3 py-1 border border-art-accent/30 rounded hover:border-art-accent"
           >
             清除筛选
           </button>
@@ -84,7 +84,7 @@
       <!-- Error state -->
       <div v-else-if="error" class="text-center text-red-500 py-20">
         <p class="mb-4">{{ error }}</p>
-        <button @click="() => fetchBlogPosts(true)" class="px-4 py-2 bg-art-accent text-white rounded hover:bg-opacity-80 transition-colors">
+        <button @click="() => fetchBlogPosts(true)" class="px-4 py-2 bg-art-accent text-art-text rounded hover:bg-opacity-80 transition-colors">
           重试
         </button>
       </div>
@@ -103,7 +103,7 @@
         <article 
           v-for="post in blogPosts" 
           :key="post.id"
-          class="group cursor-pointer border-b border-white/5 pb-12"
+          class="group cursor-pointer border-b border-art-border pb-12"
           @click="$router.push('/blog/' + post.id)"
         >
           <div class="flex flex-col md:flex-row gap-8 items-start">
@@ -120,15 +120,15 @@
                 size="sm"
               />
               <div v-if="post.tags && post.tags.length > 0" class="flex flex-wrap gap-2 mt-2">
-                <span v-for="tag in post.tags" :key="tag.id" class="text-xs text-white/40 bg-white/5 px-1 rounded">#{{ tag.name }}</span>
+                <span v-for="tag in post.tags" :key="tag.id" class="text-xs text-art-muted bg-art-text/5 px-1 rounded">#{{ tag.name }}</span>
               </div>
             </div>
             <div class="md:w-3/4 space-y-4">
-              <h3 class="font-serif text-3xl text-white group-hover:text-art-accent transition-colors leading-tight" v-html="highlightText(post.title)">
+              <h3 class="font-serif text-3xl text-art-text group-hover:text-art-accent transition-colors leading-tight" v-html="highlightText(post.title)">
               </h3>
               <p class="text-art-muted font-light leading-relaxed" v-html="highlightText(post.excerpt)">
               </p>
-              <div class="text-xs text-art-accent font-medium mt-4 group-hover:text-white transition-colors">阅读全文 -></div>
+              <div class="text-xs text-art-accent font-medium mt-4 group-hover:text-art-text transition-colors">阅读全文 -></div>
             </div>
           </div>
         </article>
diff --git a/client/src/pages/BlogDetail.vue b/client/src/pages/BlogDetail.vue
index c89ae2b..0bfbb73 100644
--- a/client/src/pages/BlogDetail.vue
+++ b/client/src/pages/BlogDetail.vue
@@ -4,7 +4,7 @@
       <!-- 小屏：fixed 返回 -->
       <button
           @click="$router.push('/blog')"
-          class="xl:hidden fixed top-20 md:top-24 left-4 md:left-6 z-40 group flex items-center gap-2 rounded-full border border-white/10 bg-[#050505]/80 backdrop-blur-md px-3 py-2 text-art-muted hover:text-white transition-colors"
+          class="xl:hidden fixed top-20 md:top-24 left-4 md:left-6 z-40 group flex items-center gap-2 rounded-full border border-art-border bg-art-bg/80 backdrop-blur-md px-3 py-2 text-art-muted hover:text-art-text transition-colors"
       >
         <Icon name="arrow-left" :size="16" class="transform group-hover:-translate-x-1 transition-transform" />
         <span class="text-sm font-medium tracking-wide">返回列表</span>
@@ -15,7 +15,7 @@
       <button
           v-if="loading || error"
           @click="$router.push('/blog')"
-          class="hidden xl:flex fixed top-32 left-[max(1.5rem,calc((100vw-90rem)/2+1.5rem))] z-40 group items-center gap-2 rounded-full border border-white/10 bg-[#050505]/80 backdrop-blur-md px-3 py-2 text-art-muted hover:text-white transition-colors"
+          class="hidden xl:flex fixed top-32 left-[max(1.5rem,calc((100vw-90rem)/2+1.5rem))] z-40 group items-center gap-2 rounded-full border border-art-border bg-art-bg/80 backdrop-blur-md px-3 py-2 text-art-muted hover:text-art-text transition-colors"
       >
         <Icon name="arrow-left" :size="16" class="transform group-hover:-translate-x-1 transition-transform" />
         <span class="text-sm font-medium tracking-wide">返回列表</span>
@@ -29,10 +29,10 @@
       <!-- Error state -->
       <div v-else-if="error" class="text-center text-red-500 py-20">
         <p class="mb-4">{{ error }}</p>
-        <button @click="fetchBlogDetail" class="px-4 py-2 bg-art-accent text-white rounded hover:bg-opacity-80 transition-colors">
+        <button @click="fetchBlogDetail" class="px-4 py-2 bg-art-accent text-art-text rounded hover:bg-opacity-80 transition-colors">
           重试
         </button>
-        <button @click="$router.push('/blog')" class="mt-4 px-4 py-2 border border-white/30 text-white rounded hover:bg-white/5 transition-colors">
+        <button @click="$router.push('/blog')" class="mt-4 px-4 py-2 border border-art-border text-art-text rounded hover:bg-art-text/5 transition-colors">
           返回文章列表
         </button>
       </div>
@@ -44,15 +44,15 @@
         <aside class="hidden xl:block w-64 flex-shrink-0 order-1 sticky top-32 max-h-[calc(100vh-8rem)] overflow-y-auto hide-scrollbar">
           <button
               @click="$router.push('/blog')"
-              class="group flex items-center gap-2 rounded-full border border-white/10 bg-white/5 backdrop-blur-md px-3 py-2 mb-6 text-art-muted hover:text-white hover:bg-white/10 transition-colors w-fit"
+              class="group flex items-center gap-2 rounded-full border border-art-border bg-art-text/5 backdrop-blur-md px-3 py-2 mb-6 text-art-muted hover:text-art-text hover:bg-art-text/10 transition-colors w-fit"
           >
             <Icon name="arrow-left" :size="16" class="transform group-hover:-translate-x-1 transition-transform" />
             <span class="text-sm font-medium tracking-wide">返回列表</span>
           </button>
           <div class="space-y-6">
             <!-- 专栏跳转卡片 -->
-            <div v-if="post.columnId && post.columnName" class="p-5 rounded-xl bg-white/5 border border-white/10 backdrop-blur-md shadow-lg transition-all duration-300 hover:bg-white/10">
-              <h3 class="text-xs font-bold text-white uppercase tracking-wider mb-3 flex items-center gap-2">
+            <div v-if="post.columnId && post.columnName" class="p-5 rounded-xl bg-art-text/5 border border-art-border backdrop-blur-md shadow-lg transition-all duration-300 hover:bg-art-text/10">
+              <h3 class="text-xs font-bold text-art-text uppercase tracking-wider mb-3 flex items-center gap-2">
                 <Icon name="book-open" :size="14" class="text-art-accent" />
                 所属专栏
               </h3>
@@ -61,9 +61,9 @@
               <a
                   @click.prevent="router.push(`/columns/${post.columnId}`)"
                   href="#"
-                  class="block p-3 rounded-lg bg-white/5 border border-white/10 hover:bg-white/10 hover:border-art-accent/50 transition-all duration-200 group mb-4"
+                  class="block p-3 rounded-lg bg-art-text/5 border border-art-border hover:bg-art-text/10 hover:border-art-accent/50 transition-all duration-200 group mb-4"
               >
-                <div class="text-sm font-medium text-white group-hover:text-art-accent transition-colors mb-1">
+                <div class="text-sm font-medium text-art-text group-hover:text-art-accent transition-colors mb-1">
                   {{ post.columnName }}
                 </div>
                 <div class="text-xs text-art-muted flex items-center gap-1">
@@ -77,7 +77,7 @@
                 <!-- 展开/收起按钮 -->
                 <button
                   @click="isColumnExpanded = !isColumnExpanded"
-                  class="w-full flex items-center justify-between text-xs text-art-muted hover:text-white transition-colors py-1 px-2 rounded hover:bg-white/5"
+                  class="w-full flex items-center justify-between text-xs text-art-muted hover:text-art-text transition-colors py-1 px-2 rounded hover:bg-art-text/5"
                 >
                   <span class="font-medium">文章目录</span>
                   <div class="flex items-center gap-1">
@@ -91,7 +91,7 @@
                 </button>
 
                 <!-- 文章列表 -->
-                <nav class="space-y-0.5 border-t border-white/10 pt-2">
+                <nav class="space-y-0.5 border-t border-art-border pt-2">
                   <a
                     v-for="columnPost in displayedColumnPosts"
                     :key="columnPost.id"
@@ -101,8 +101,8 @@
                     class="block text-xs py-2 px-3 rounded transition-all duration-200 relative group"
                     :class="[
                       columnPost.id === post.id 
-                        ? 'text-white pl-4' 
-                        : 'text-art-muted hover:text-white hover:bg-white/5'
+                        ? 'text-art-text pl-4' 
+                        : 'text-art-muted hover:text-art-text hover:bg-art-text/5'
                     ]"
                   >
                     <div class="line-clamp-2 leading-relaxed">
@@ -120,17 +120,17 @@
             </div>
 
             <!-- 分类搜索卡片 -->
-            <div v-if="post.categoryId && post.categoryName" class="p-5 rounded-xl bg-white/5 border border-white/10 backdrop-blur-md shadow-lg transition-all duration-300 hover:bg-white/10">
-              <h3 class="text-xs font-bold text-white uppercase tracking-wider mb-3 flex items-center gap-2">
+            <div v-if="post.categoryId && post.categoryName" class="p-5 rounded-xl bg-art-text/5 border border-art-border backdrop-blur-md shadow-lg transition-all duration-300 hover:bg-art-text/10">
+              <h3 class="text-xs font-bold text-art-text uppercase tracking-wider mb-3 flex items-center gap-2">
                 <Icon name="folder" :size="14" class="text-art-accent" />
                 分类
               </h3>
               <a
                   @click.prevent="handleCategoryClick(post.categoryId)"
                   href="#"
-                  class="block p-3 rounded-lg bg-white/5 border border-white/10 hover:bg-white/10 hover:border-art-accent/50 transition-all duration-200 group"
+                  class="block p-3 rounded-lg bg-art-text/5 border border-art-border hover:bg-art-text/10 hover:border-art-accent/50 transition-all duration-200 group"
               >
-                <div class="text-sm font-medium text-white group-hover:text-art-accent transition-colors mb-1">
+                <div class="text-sm font-medium text-art-text group-hover:text-art-accent transition-colors mb-1">
                   {{ post.categoryName }}
                 </div>
                 <div class="text-xs text-art-muted flex items-center gap-1">
@@ -141,8 +141,8 @@
             </div>
 
             <!-- 标签搜索卡片 -->
-            <div v-if="post.tags && post.tags.length > 0" class="p-5 rounded-xl bg-white/5 border border-white/10 backdrop-blur-md shadow-lg transition-all duration-300 hover:bg-white/10">
-              <h3 class="text-xs font-bold text-white uppercase tracking-wider mb-3 flex items-center gap-2">
+            <div v-if="post.tags && post.tags.length > 0" class="p-5 rounded-xl bg-art-text/5 border border-art-border backdrop-blur-md shadow-lg transition-all duration-300 hover:bg-art-text/10">
+              <h3 class="text-xs font-bold text-art-text uppercase tracking-wider mb-3 flex items-center gap-2">
                 <Icon name="tags" :size="14" class="text-art-accent" />
                 标签
               </h3>
@@ -152,7 +152,7 @@
                     :key="tag.id"
                     @click.prevent="handleTagClick(tag.id)"
                     href="#"
-                    class="px-2.5 py-1 rounded-md bg-white/5 border border-white/10 hover:bg-art-accent/20 hover:border-art-accent/50 hover:text-art-accent text-xs text-art-muted transition-all duration-200"
+                    class="px-2.5 py-1 rounded-md bg-art-text/5 border border-art-border hover:bg-art-accent/20 hover:border-art-accent/50 hover:text-art-accent text-xs text-art-muted transition-all duration-200"
                 >
                   {{ tag.name }}
                 </a>
@@ -164,16 +164,16 @@
         <!-- 2. 中间：文章主内容 -->
         <div class="flex-1 min-w-0 max-w-full order-2">
           <!-- 文章头图与信息 -->
-          <div class="border-b border-white/5 pb-6 md:pb-8 mb-6 md:mb-10">
+          <div class="border-b border-art-border pb-6 md:pb-8 mb-6 md:mb-10">
             <div class="flex flex-wrap items-center justify-between gap-2 md:gap-3 mb-4 md:mb-6">
               <div class="flex flex-wrap items-center gap-2 md:gap-3">
-                <span class="px-2 py-0.5 md:px-3 md:py-1 border border-white/20 rounded-full text-[10px] md:text-xs font-mono text-art-accent uppercase tracking-wider">{{ post.categoryName || '未分类' }}</span>
+                <span class="px-2 py-0.5 md:px-3 md:py-1 border border-art-border rounded-full text-[10px] md:text-xs font-mono text-art-accent uppercase tracking-wider">{{ post.categoryName || '未分类' }}</span>
                 <span class="text-xs md:text-sm text-art-muted">{{ post.date }}</span>
               </div>
               <div class="flex items-center gap-2">
                 <button
                   type="button"
-                  class="flex items-center gap-2 rounded-full border border-white/10 bg-white/5 backdrop-blur-md px-3 py-1.5 md:px-4 md:py-2 text-xs md:text-sm text-art-muted hover:text-white hover:bg-white/10 hover:border-art-accent/30 transition-all duration-200"
+                  class="flex items-center gap-2 rounded-full border border-art-border bg-art-text/5 backdrop-blur-md px-3 py-1.5 md:px-4 md:py-2 text-xs md:text-sm text-art-muted hover:text-art-text hover:bg-art-text/10 hover:border-art-accent/30 transition-all duration-200"
                   @click="router.push(`/blog/${postId}/ppt`)"
                 >
                   <Icon name="presentation" :size="14" />
@@ -182,7 +182,7 @@
                 <ArticleExportMenu :post="post" :rendered-html="renderedContent" />
               </div>
             </div>
-            <h1 class="font-serif text-2xl md:text-5xl lg:text-6xl text-white leading-snug md:leading-tight mb-6 md:mb-8 break-words">{{ post.title }}</h1>
+            <h1 class="font-serif text-2xl md:text-5xl lg:text-6xl text-art-text leading-snug md:leading-tight mb-6 md:mb-8 break-words">{{ post.title }}</h1>
             <AuthorInfo
               :name="post.userName"
               :email="post.userEmail"
@@ -196,14 +196,14 @@
           <!-- 文章内容 -->
           <article
               ref="articleRef"
-              class="blog-content prose prose-invert min-w-0 max-w-full text-art-muted leading-relaxed prose-base md:prose-lg"
+              class="blog-content prose min-w-0 max-w-full text-art-muted leading-relaxed prose-base md:prose-lg"
           >
             <div v-html="renderedContent"></div>
           </article>
 
           <!-- 相关代码片段 -->
-          <div v-if="post.snippets && post.snippets.length > 0" class="mt-8 md:mt-12 border-t border-white/10 pt-8 md:pt-10">
-            <h3 class="text-base md:text-lg font-bold text-white mb-4 md:mb-6 flex items-center gap-2">
+          <div v-if="post.snippets && post.snippets.length > 0" class="mt-8 md:mt-12 border-t border-art-border pt-8 md:pt-10">
+            <h3 class="text-base md:text-lg font-bold text-art-text mb-4 md:mb-6 flex items-center gap-2">
               <Icon name="code-2" :size="18" class="text-art-accent" />
               相关代码
             </h3>
@@ -212,10 +212,10 @@
                 v-for="snippet in post.snippets"
                 :key="snippet.id"
                 type="button"
-                class="w-full text-left rounded-xl overflow-hidden bg-[#0d0d0d] border border-white/10 hover:border-art-accent/50 transition-colors group"
+                class="w-full text-left rounded-xl overflow-hidden bg-[#0d0d0d] border border-art-border hover:border-art-accent/50 transition-colors group"
                 @click="openRelatedSnippet(snippet.id)"
               >
-                <div class="flex items-center justify-between px-3 py-2 bg-white/5 border-b border-white/5 gap-2">
+                <div class="flex items-center justify-between px-3 py-2 bg-art-text/5 border-b border-art-border gap-2">
                   <div class="flex gap-1.5 shrink-0">
                     <div class="w-2 h-2 rounded-full bg-[#ff5f56]"></div>
                     <div class="w-2 h-2 rounded-full bg-[#ffbd2e]"></div>
@@ -224,16 +224,16 @@
                   <span class="text-[10px] font-mono text-art-accent uppercase truncate">{{ snippet.codeType?.name || snippet.type }}</span>
                 </div>
                 <div class="p-4">
-                  <div class="text-sm font-medium text-white group-hover:text-art-accent transition-colors line-clamp-2">{{ snippet.title }}</div>
+                  <div class="text-sm font-medium text-art-text group-hover:text-art-accent transition-colors line-clamp-2">{{ snippet.title }}</div>
                 </div>
               </button>
             </div>
           </div>
 
           <!-- 移动端专属信息补充区 -->
-          <div class="xl:hidden mt-8 md:mt-12 border-t border-white/10 pt-6 md:pt-8 space-y-4 md:space-y-6">
+          <div class="xl:hidden mt-8 md:mt-12 border-t border-art-border pt-6 md:pt-8 space-y-4 md:space-y-6">
             <div v-if="post.tags && post.tags.length > 0">
-              <h4 class="text-xs font-bold text-white uppercase tracking-wider mb-2 md:mb-3 flex items-center gap-2">
+              <h4 class="text-xs font-bold text-art-text uppercase tracking-wider mb-2 md:mb-3 flex items-center gap-2">
                 <Icon name="tags" :size="14" class="text-art-accent" />
                 标签
               </h4>
@@ -243,7 +243,7 @@
                     :key="tag.id"
                     @click.prevent="handleTagClick(tag.id)"
                     href="#"
-                    class="px-2.5 py-1 rounded-full bg-white/5 border border-white/10 text-xs text-art-muted hover:text-white hover:bg-white/10 transition-colors"
+                    class="px-2.5 py-1 rounded-full bg-art-text/5 border border-art-border text-xs text-art-muted hover:text-art-text hover:bg-art-text/10 transition-colors"
                 >
                   # {{ tag.name }}
                 </a>
@@ -253,18 +253,18 @@
             <div class="flex flex-wrap gap-3 md:gap-4">
               <div v-if="post.columnName" class="flex items-center gap-2 text-xs md:text-sm text-art-muted">
                 <Icon name="book-open" :size="14" class="text-art-accent" />
-                专栏: <span class="text-white">{{ post.columnName }}</span>
+                专栏: <span class="text-art-text">{{ post.columnName }}</span>
               </div>
               <div v-if="post.categoryName" class="flex items-center gap-2 text-xs md:text-sm text-art-muted">
                 <Icon name="folder" :size="14" class="text-art-accent" />
-                分类: <span class="text-white">{{ post.categoryName }}</span>
+                分类: <span class="text-art-text">{{ post.categoryName }}</span>
               </div>
             </div>
           </div>
 
           <!-- 底部推荐阅读 -->
-          <div class="mt-8 md:mt-20 border-t border-white/10 pt-8 md:pt-10">
-            <h3 class="text-base md:text-lg font-bold text-white mb-4 md:mb-6 flex items-center gap-2">
+          <div class="mt-8 md:mt-20 border-t border-art-border pt-8 md:pt-10">
+            <h3 class="text-base md:text-lg font-bold text-art-text mb-4 md:mb-6 flex items-center gap-2">
               <Icon name="sparkles" :size="18" class="text-art-accent" />
               推荐阅读
             </h3>
@@ -286,9 +286,9 @@
                     :href="href"
                     target="_blank"
                     rel="noopener noreferrer"
-                    class="block p-4 md:p-5 rounded-xl bg-white/5 border border-white/10 hover:bg-white/10 hover:border-art-accent/50 transition-all duration-300 group h-full"
+                    class="block p-4 md:p-5 rounded-xl bg-art-text/5 border border-art-border hover:bg-art-text/10 hover:border-art-accent/50 transition-all duration-300 group h-full"
                 >
-                  <div class="text-sm md:text-base font-medium text-white group-hover:text-art-accent transition-colors mb-2 md:mb-3 line-clamp-2">
+                  <div class="text-sm md:text-base font-medium text-art-text group-hover:text-art-accent transition-colors mb-2 md:mb-3 line-clamp-2">
                     {{ recPost.title }}
                   </div>
                   <div class="flex items-center justify-between gap-2 mt-auto">
@@ -310,8 +310,8 @@
 
         <!-- 3. 右侧边栏：目录 (TOC) - 仅在大屏显示 -->
         <aside class="hidden xl:block w-64 flex-shrink-0 order-3 sticky top-32 max-h-[calc(100vh-8rem)] overflow-y-auto hide-scrollbar">
-          <div class="p-5 rounded-xl bg-white/5 border border-white/10 backdrop-blur-md shadow-lg transition-all duration-300 hover:bg-white/10">
-            <h3 class="text-xs font-bold text-white uppercase tracking-wider mb-4 flex items-center gap-2">
+          <div class="p-5 rounded-xl bg-art-text/5 border border-art-border backdrop-blur-md shadow-lg transition-all duration-300 hover:bg-art-text/10">
+            <h3 class="text-xs font-bold text-art-text uppercase tracking-wider mb-4 flex items-center gap-2">
               <Icon name="list" :size="14" class="text-art-accent" />
               目录导航
             </h3>
@@ -322,12 +322,12 @@
                   v-if="toc.length > 0"
               ></div>
 
-              <ul class="space-y-1 border-l border-white/10 ml-[1px]">
+              <ul class="space-y-1 border-l border-art-border ml-[1px]">
                 <li v-for="item in toc" :key="item.id">
                   <a
                       @click.prevent="scrollToHeading(item.id)"
                       href="#"
-                      class="block text-xs py-1.5 transition-all duration-200 border-l-2 border-transparent pl-4 hover:text-white truncate"
+                      class="block text-xs py-1.5 transition-all duration-200 border-l-2 border-transparent pl-4 hover:text-art-text truncate"
                       :class="[
                       activeId === item.id ? 'text-art-accent font-medium' : 'text-art-muted',
                       item.level > 2 ? 'pl-8' : 'pl-4'
@@ -352,7 +352,7 @@
     <button
         v-if="toc.length > 0 && !loading && !error"
         @click="showMobileToc = true"
-        class="xl:hidden fixed bottom-6 right-4 z-50 w-10 h-10 md:w-12 md:h-12 bg-art-accent/90 backdrop-blur text-white rounded-full shadow-lg shadow-art-accent/20 flex items-center justify-center hover:bg-art-accent active:scale-95 transition-all duration-200"
+        class="xl:hidden fixed bottom-6 right-4 z-50 w-10 h-10 md:w-12 md:h-12 bg-art-accent/90 backdrop-blur text-art-text rounded-full shadow-lg shadow-art-accent/20 flex items-center justify-center hover:bg-art-accent active:scale-95 transition-all duration-200"
         aria-label="目录"
     >
       <Icon name="list" :size="18" />
@@ -361,13 +361,13 @@
     <!-- Mobile TOC Drawer -->
     <div v-if="showMobileToc" class="fixed inset-0 z-[100] xl:hidden">
       <div class="absolute inset-0 bg-black/60 backdrop-blur-sm transition-opacity" @click="showMobileToc = false"></div>
-      <div class="absolute bottom-0 left-0 right-0 bg-[#1a1a1a] border-t border-white/10 rounded-t-2xl max-h-[70vh] flex flex-col animate-slide-up shadow-2xl">
-        <div class="flex items-center justify-between p-4 border-b border-white/10">
-          <h3 class="text-sm font-bold text-white flex items-center gap-2">
+      <div class="absolute bottom-0 left-0 right-0 bg-art-surface border-t border-art-border rounded-t-2xl max-h-[70vh] flex flex-col animate-slide-up shadow-2xl">
+        <div class="flex items-center justify-between p-4 border-b border-art-border">
+          <h3 class="text-sm font-bold text-art-text flex items-center gap-2">
             <Icon name="list" :size="16" class="text-art-accent" />
             文章目录
           </h3>
-          <button @click="showMobileToc = false" class="text-art-muted hover:text-white p-2">
+          <button @click="showMobileToc = false" class="text-art-muted hover:text-art-text p-2">
             <Icon name="x" :size="20" />
           </button>
         </div>
@@ -379,7 +379,7 @@
                 <a
                     @click.prevent="scrollToHeading(item.id); showMobileToc = false"
                     href="#"
-                    class="block text-sm py-1 transition-all duration-200 hover:text-white"
+                    class="block text-sm py-1 transition-all duration-200 hover:text-art-text"
                     :class="[
                     activeId === item.id ? 'text-art-accent font-medium' : 'text-art-muted',
                     item.level > 2 ? 'pl-4' : ''
@@ -812,7 +812,7 @@ onBeforeUnmount(() => {
 }
 
 :deep(.prose :not(pre) > code) {
-  color: #d4b383;
+  color: rgb(var(--art-accent));
   background-color: rgba(212, 179, 131, 0.1);
   padding: 0.2em 0.4em;
   border-radius: 0.3em;
@@ -822,7 +822,7 @@ onBeforeUnmount(() => {
 }
 
 :deep(.prose h1), :deep(.prose h2), :deep(.prose h3) {
-  color: #fff;
+  color: rgb(var(--art-text));
   font-family: serif;
   margin-top: 1.5em;
   margin-bottom: 0.6em;
@@ -840,7 +840,7 @@ onBeforeUnmount(() => {
 
 :deep(.prose h2) {
   font-size: 1.5rem;
-  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
+  border-bottom: 1px solid var(--art-border);
   padding-bottom: 0.3rem;
 }
 @media (min-width: 768px) {
@@ -852,7 +852,7 @@ onBeforeUnmount(() => {
 
 :deep(.prose h3) {
   font-size: 1.25rem;
-  color: rgba(255, 255, 255, 0.9);
+  color: rgb(var(--art-text) / 0.9);
 }
 @media (min-width: 768px) {
   :deep(.prose h3) {
@@ -861,7 +861,7 @@ onBeforeUnmount(() => {
 }
 
 :deep(.prose a) {
-  color: #d4b383;
+  color: rgb(var(--art-accent));
   text-decoration: none;
   border-bottom: 1px dashed rgba(212, 179, 131, 0.5);
   transition: all 0.2s;
@@ -869,16 +869,16 @@ onBeforeUnmount(() => {
 }
 
 :deep(.prose a:hover) {
-  color: #fff;
+  color: rgb(var(--art-text));
   border-bottom-style: solid;
 }
 
 :deep(.prose blockquote) {
-  border-left: 3px solid #d4b383;
-  background: rgba(255, 255, 255, 0.02);
+  border-left: 3px solid rgb(var(--art-accent));
+  background: var(--art-card-bg);
   padding: 0.8rem 1rem;
   border-radius: 0 0.5rem 0.5rem 0;
-  color: rgba(255, 255, 255, 0.7);
+  color: rgb(var(--art-muted));
   font-style: italic;
 }
 @media (min-width: 768px) {
@@ -888,7 +888,7 @@ onBeforeUnmount(() => {
 }
 
 :deep(.prose ul li::marker) {
-  color: #d4b383;
+  color: rgb(var(--art-accent));
 }
 
 :deep(.prose img) {
@@ -908,12 +908,12 @@ onBeforeUnmount(() => {
 }
 
 :deep(.code-block-wrapper::-webkit-scrollbar-thumb) {
-  background-color: rgba(255, 255, 255, 0.1);
+  background-color: var(--art-scroll-thumb);
   border-radius: 4px;
 }
 
 :deep(.code-block-wrapper::-webkit-scrollbar-thumb:hover) {
-  background-color: rgba(255, 255, 255, 0.2);
+  background-color: var(--art-scroll-thumb-hover);
 }
 
 :deep(.code-block-wrapper::-webkit-scrollbar-corner) {
diff --git a/client/src/pages/Categories.vue b/client/src/pages/Categories.vue
index d663615..086485a 100644
--- a/client/src/pages/Categories.vue
+++ b/client/src/pages/Categories.vue
@@ -2,7 +2,7 @@
   <section class="page-section block animate-slide-down">
     <div class="max-w-4xl mx-auto pt-32 px-6 pb-20">
       <div class="mb-16 text-center">
-        <h2 class="font-serif text-5xl italic text-white mb-6">分类</h2>
+        <h2 class="font-serif text-5xl italic text-art-text mb-6">分类</h2>
         <p class="text-art-muted max-w-lg mx-auto mb-8">按照主题浏览文章。</p>
       </div>
 
@@ -16,14 +16,14 @@
         <div 
           v-for="category in categories" 
           :key="category.id"
-          class="group p-6 rounded-lg border border-white/5 bg-white/5 hover:bg-white/10 hover:border-art-accent/30 transition-all cursor-pointer"
+          class="group p-6 rounded-lg border border-art-border bg-art-text/5 hover:bg-art-text/10 hover:border-art-accent/30 transition-all cursor-pointer"
           @click="router.push(`/blog?category=${category.id}`)"
         >
           <div class="flex items-start justify-between mb-4">
             <span class="text-3xl">📂</span>
             <span class="font-mono text-xs text-art-muted group-hover:text-art-accent transition-colors">#{{ category.slug }}</span>
           </div>
-          <h3 class="text-xl font-serif text-white mb-2 group-hover:text-art-accent transition-colors">{{ category.name }}</h3>
+          <h3 class="text-xl font-serif text-art-text mb-2 group-hover:text-art-accent transition-colors">{{ category.name }}</h3>
           <p class="text-sm text-art-muted leading-relaxed line-clamp-3">{{ category.description || '暂无描述' }}</p>
         </div>
       </div>
diff --git a/client/src/pages/ColumnDetail.vue b/client/src/pages/ColumnDetail.vue
index ac3802d..50fefe4 100644
--- a/client/src/pages/ColumnDetail.vue
+++ b/client/src/pages/ColumnDetail.vue
@@ -10,7 +10,7 @@
         <!-- Header -->
         <div class="mb-16 text-center">
           <div class="inline-block mb-4 px-3 py-1 rounded-full border border-art-accent/30 text-art-accent text-xs font-mono">专栏</div>
-          <h2 class="font-serif text-4xl italic text-white mb-6">{{ column.name }}</h2>
+          <h2 class="font-serif text-4xl italic text-art-text mb-6">{{ column.name }}</h2>
           <p class="text-art-muted max-w-lg mx-auto leading-relaxed mb-6">{{ column.description }}</p>
           
           <!-- 统计信息 -->
@@ -31,7 +31,7 @@
           <article 
             v-for="post in posts" 
             :key="post.id"
-            class="group cursor-pointer border-b border-white/5 pb-8"
+            class="group cursor-pointer border-b border-art-border pb-8"
             @click="router.push('/blog/' + post.id)"
           >
             <div class="flex flex-col md:flex-row gap-6 items-start">
@@ -48,23 +48,23 @@
                   size="sm"
                 />
                 <div v-if="post.tags && post.tags.length > 0" class="flex flex-wrap gap-2 mt-2">
-                  <span v-for="tag in post.tags" :key="tag.id" class="text-xs text-white/40 bg-white/5 px-1 rounded">#{{ tag.name }}</span>
+                  <span v-for="tag in post.tags" :key="tag.id" class="text-xs text-art-muted bg-art-text/5 px-1 rounded">#{{ tag.name }}</span>
                 </div>
               </div>
               <div class="md:w-3/4 space-y-3">
-                <h3 class="font-serif text-2xl text-white group-hover:text-art-accent transition-colors leading-tight">
+                <h3 class="font-serif text-2xl text-art-text group-hover:text-art-accent transition-colors leading-tight">
                   {{ post.title }}
                 </h3>
                 <p class="text-art-muted font-light leading-relaxed line-clamp-2">
                   {{ post.excerpt }}
                 </p>
-                <div class="text-xs text-art-accent font-medium mt-4 group-hover:text-white transition-colors">阅读全文 -></div>
+                <div class="text-xs text-art-accent font-medium mt-4 group-hover:text-art-text transition-colors">阅读全文 -></div>
               </div>
             </div>
           </article>
         </div>
         
-        <div v-else class="text-center py-10 border border-dashed border-white/10 rounded-lg">
+        <div v-else class="text-center py-10 border border-dashed border-art-border rounded-lg">
           <p class="text-art-muted">该专栏暂无文章</p>
         </div>
       </div>
diff --git a/client/src/pages/Columns.vue b/client/src/pages/Columns.vue
index b3021ef..d84451f 100644
--- a/client/src/pages/Columns.vue
+++ b/client/src/pages/Columns.vue
@@ -2,7 +2,7 @@
   <section class="page-section block animate-slide-down">
     <div class="max-w-6xl mx-auto pt-32 px-6 pb-20">
       <div class="mb-16 text-center">
-        <h2 class="font-serif text-5xl italic text-white mb-6">专栏</h2>
+        <h2 class="font-serif text-5xl italic text-art-text mb-6">专栏</h2>
         <p class="text-art-muted max-w-lg mx-auto mb-8">系列文章集合，系统性地学习。</p>
       </div>
 
@@ -16,7 +16,7 @@
         <div 
           v-for="column in columns" 
           :key="column.id"
-          class="group relative overflow-hidden rounded-xl border border-white/5 bg-white/5 aspect-[16/9] cursor-pointer"
+          class="group relative overflow-hidden rounded-xl border border-art-border bg-art-text/5 aspect-[16/9] cursor-pointer"
           @click="router.push(`/columns/${column.id}`)"
         >
           <!-- Cover Image -->
@@ -27,14 +27,23 @@
           >
             <div class="absolute inset-0 bg-black/60 group-hover:bg-black/50 transition-colors duration-500"></div>
           </div>
-          <div v-else class="absolute inset-0 bg-gradient-to-br from-white/5 to-white/10 group-hover:from-white/10 group-hover:to-white/20 transition-colors"></div>
+          <div v-else class="absolute inset-0 bg-gradient-to-br from-art-text/5 to-art-text/10 group-hover:from-art-text/10 group-hover:to-art-text/15 transition-colors"></div>
 
           <!-- Content -->
           <div class="absolute inset-0 p-8 flex flex-col justify-end">
-            <h3 class="text-3xl font-serif text-white mb-3 group-hover:text-art-accent transition-colors">{{ column.name }}</h3>
-            <p class="text-art-muted leading-relaxed line-clamp-2">{{ column.description || '暂无描述' }}</p>
+            <h3
+              class="text-3xl font-serif mb-3 group-hover:text-art-accent transition-colors"
+              :class="column.cover ? 'text-white' : 'text-art-text'"
+            >{{ column.name }}</h3>
+            <p
+              class="leading-relaxed line-clamp-2"
+              :class="column.cover ? 'text-white/70' : 'text-art-muted'"
+            >{{ column.description || '暂无描述' }}</p>
             <div class="mt-4 opacity-0 group-hover:opacity-100 transition-opacity duration-300 transform translate-y-2 group-hover:translate-y-0">
-              <span class="text-xs font-bold tracking-widest uppercase text-white border-b border-art-accent pb-1">查看详情</span>
+              <span
+                class="text-xs font-bold tracking-widest uppercase border-b border-art-accent pb-1"
+                :class="column.cover ? 'text-white' : 'text-art-text'"
+              >查看详情</span>
             </div>
           </div>
         </div>
diff --git a/client/src/pages/Home.vue b/client/src/pages/Home.vue
index 3109420..136dc17 100644
--- a/client/src/pages/Home.vue
+++ b/client/src/pages/Home.vue
@@ -4,16 +4,16 @@
     <div class="grid grid-cols-1 lg:grid-cols-12 gap-12 mb-24 items-center animate-reveal">
       <div class="lg:col-span-7 space-y-8">
         <p class="text-art-accent font-mono text-sm tracking-widest uppercase mb-4">前端架构师 & 创意开发者</p>
-        <h1 class="font-serif text-5xl md:text-7xl lg:text-8xl leading-[1.1] text-white text-glow">
+        <h1 class="font-serif text-5xl md:text-7xl lg:text-8xl leading-[1.1] text-art-text text-glow">
           <span class="block italic opacity-80">设计</span>
           <span class="block font-bold">铸造数字</span>
           <span class="block font-bold pl-12 md:pl-24">灵魂</span>
         </h1>
         <p class="text-art-muted text-lg md:text-xl max-w-xl leading-relaxed mt-8 font-light">
-          在代码的逻辑与设计的感性之间寻找平衡。我是<span class="text-white font-bold">年糕崽崽</span>，不仅仅构建页面，更在构建<span class="text-white border-b border-white/20 pb-0.5">沉浸式体验</span>。
+          在代码的逻辑与设计的感性之间寻找平衡。我是<span class="text-art-text font-bold">年糕崽崽</span>，不仅仅构建页面，更在构建<span class="text-art-text border-b border-art-border pb-0.5">沉浸式体验</span>。
         </p>
         <div class="pt-8 flex items-center gap-6">
-          <button @click="$router.push('/works')" class="group flex items-center gap-2 text-white border-b border-white pb-1 hover:text-art-accent hover:border-art-accent transition-all">
+          <button @click="$router.push('/works')" class="group flex items-center gap-2 text-art-text border-b border-art-text pb-1 hover:text-art-accent hover:border-art-accent transition-all">
             <span>浏览作品集</span>
             <Icon name="arrow-right" :size="16" class="transform group-hover:translate-x-1 transition-transform" />
           </button>
@@ -21,16 +21,16 @@
       </div>
       <div class="lg:col-span-5 relative h-[400px] lg:h-[600px] w-full flex items-center justify-center">
         <div class="relative w-full h-full">
-          <div class="absolute inset-0 border border-white/10 rounded-full rotate-12 scale-90"></div>
-          <div class="absolute inset-0 border border-white/5 rounded-full -rotate-6 scale-75"></div>
+          <div class="absolute inset-0 border border-art-border rounded-full rotate-12 scale-90"></div>
+          <div class="absolute inset-0 border border-art-border rounded-full -rotate-6 scale-75"></div>
           <div 
             id="home-hero-work" 
-            class="absolute top-1/2 left-1/2 -translate-x-1/2 -translate-y-1/2 w-64 h-80 bg-gradient-to-br from-white/10 to-transparent backdrop-blur-md border border-white/10 rounded-sm shadow-2xl rotate-6 hover:rotate-0 transition-transform duration-700 z-10 flex flex-col p-6 justify-between cursor-pointer"
+            class="absolute top-1/2 left-1/2 -translate-x-1/2 -translate-y-1/2 w-64 h-80 bg-gradient-to-br from-art-text/5 to-transparent backdrop-blur-md border border-art-border rounded-sm shadow-2xl rotate-6 hover:rotate-0 transition-transform duration-700 z-10 flex flex-col p-6 justify-between cursor-pointer"
             @click="$router.push('/works/' + latestWork.id)"
           >
-            <div class="text-white/50 text-xs">最新作品</div>
-            <div class="font-serif text-3xl italic text-white">{{ latestWork.title }}</div>
-            <div class="flex justify-end"><Icon name="arrow-up-right" :size="24" class="text-white" /></div>
+            <div class="text-art-muted text-xs">最新作品</div>
+            <div class="font-serif text-3xl italic text-art-text">{{ latestWork.title }}</div>
+            <div class="flex justify-end"><Icon name="arrow-up-right" :size="24" class="text-art-text" /></div>
           </div>
         </div>
       </div>
@@ -38,8 +38,8 @@
 
     <!-- Bento Grid -->
     <div class="space-y-6 animate-reveal" style="animation-delay: 0.2s;">
-      <div class="flex items-end justify-between border-b border-white/10 pb-4 mb-8">
-        <h2 class="font-serif text-3xl italic text-white">精选内容</h2>
+      <div class="flex items-end justify-between border-b border-art-border pb-4 mb-8">
+        <h2 class="font-serif text-3xl italic text-art-text">精选内容</h2>
         <span class="font-mono text-xs text-art-muted">下滑探索更多</span>
       </div>
       <div class="grid grid-cols-1 md:grid-cols-3 gap-6 auto-rows-[300px]" id="bento-grid">
@@ -73,26 +73,26 @@
           class="art-card rounded-2xl p-8 flex flex-col justify-between group"
         >
           <div class="flex justify-between items-start">
-            <Icon name="code-2" :size="32" class="text-white/40 group-hover:text-art-accent transition-colors" />
-            <Icon name="arrow-up-right" :size="20" class="text-white/20" />
+            <Icon name="code-2" :size="32" class="text-art-muted group-hover:text-art-accent transition-colors" />
+            <Icon name="arrow-up-right" :size="20" class="text-art-muted/60" />
           </div>
           <div>
-            <div class="text-4xl font-mono font-bold text-white mb-2">120+</div>
+            <div class="text-4xl font-mono font-bold text-art-text mb-2">120+</div>
             <div class="text-sm text-art-muted">开源提交 (Commits)</div>
             <div class="text-xs text-art-muted mt-2 opacity-60">Vue, React, Three.js</div>
           </div>
         </div>
         <div 
-          class="art-card rounded-2xl p-6 md:p-8 flex flex-col justify-between group cursor-pointer bg-[#050505]"
+          class="art-card rounded-2xl p-6 md:p-8 flex flex-col justify-between group cursor-pointer bg-art-bg"
           @click="$router.push('/snippets')"
         >
           <div class="font-mono text-xs text-art-muted mb-4">// React Hook: useArt</div>
-          <div class="font-mono text-sm text-gray-400 overflow-hidden opacity-60 group-hover:opacity-100 transition-opacity">
+          <div class="font-mono text-sm text-art-muted overflow-hidden opacity-60 group-hover:opacity-100 transition-opacity">
             <span class="code-keyword">const</span> <span class="code-func">useCreative</span> = () => {<br>
             &nbsp;&nbsp;<span class="code-keyword">return</span> <span class="code-string">"Innovation"</span>;<br>
             }
           </div>
-          <div class="mt-4 flex items-center gap-2 text-sm font-medium text-white">
+          <div class="mt-4 flex items-center gap-2 text-sm font-medium text-art-text">
             <span>访问代码实验室</span>
             <Icon name="chevron-right" :size="16" class="text-art-accent" />
           </div>
@@ -102,10 +102,10 @@
           @click="$router.push('/services')"
         >
           <div class="space-y-4">
-            <h3 class="font-serif text-3xl text-white">需要独特的前端架构？</h3>
+            <h3 class="font-serif text-3xl text-art-text">需要独特的前端架构？</h3>
             <p class="text-art-muted max-w-sm">不论是 WebGL 3D 交互网站，还是高性能的 SaaS 管理系统，我都能提供专业的解决方案。</p>
           </div>
-          <div class="h-16 w-16 rounded-full border border-white/20 flex items-center justify-center group-hover:bg-white group-hover:text-black transition-all duration-300">
+          <div class="h-16 w-16 rounded-full border border-art-border flex items-center justify-center group-hover:bg-art-text group-hover:text-black transition-all duration-300">
             <Icon name="arrow-right" :size="24" />
           </div>
         </div>
diff --git a/client/src/pages/Services.vue b/client/src/pages/Services.vue
index 1ea9367..22a57cb 100644
--- a/client/src/pages/Services.vue
+++ b/client/src/pages/Services.vue
@@ -1,7 +1,7 @@
 <template>
   <section id="services" class="page-section block animate-slide-down">
     <div class="py-16 text-center">
-      <h2 class="font-serif text-5xl italic text-white mb-6">共创数字未来</h2>
+      <h2 class="font-serif text-5xl italic text-art-text mb-6">共创数字未来</h2>
       <p class="text-art-muted text-lg max-w-2xl mx-auto">用代码构建骨架，用设计触动灵魂。</p>
     </div>
     <div class="grid grid-cols-1 md:grid-cols-3 gap-8 mb-32 px-4" id="services-grid">
@@ -11,18 +11,18 @@
             <i data-lucide="layers" class="w-8 h-8"></i>
           </div>
           <div>
-            <h3 class="text-2xl font-bold text-white mb-4">前端架构设计</h3>
+            <h3 class="text-2xl font-bold text-art-text mb-4">前端架构设计</h3>
             <p class="text-art-muted text-sm leading-relaxed">为复杂的大型应用提供可扩展的架构方案。</p>
           </div>
         </div>
       </div>
       <div class="tilt-card group h-96">
-        <div class="tilt-inner flex flex-col justify-between border-art-accent/20 bg-white/5">
+        <div class="tilt-inner flex flex-col justify-between border-art-accent/20 bg-art-text/5">
           <div class="w-16 h-16 rounded-2xl bg-art-accent/10 flex items-center justify-center text-art-accent mb-6 border border-art-accent/20 group-hover:scale-110 transition-transform duration-500 shadow-[0_0_30px_-10px_rgba(212,179,131,0.3)]">
             <i data-lucide="wand-2" class="w-8 h-8"></i>
           </div>
           <div>
-            <h3 class="text-2xl font-bold text-white mb-4">创意交互开发</h3>
+            <h3 class="text-2xl font-bold text-art-text mb-4">创意交互开发</h3>
             <p class="text-art-muted text-sm leading-relaxed">利用 WebGL (Three.js) 和 GSAP 打造令人过目难忘的着陆页。</p>
           </div>
         </div>
@@ -33,7 +33,7 @@
             <i data-lucide="smartphone" class="w-8 h-8"></i>
           </div>
           <div>
-            <h3 class="text-2xl font-bold text-white mb-4">跨平台应用</h3>
+            <h3 class="text-2xl font-bold text-art-text mb-4">跨平台应用</h3>
             <p class="text-art-muted text-sm leading-relaxed">使用 UniApp 或 React Native 开发高质量的移动端应用。</p>
           </div>
         </div>
@@ -42,7 +42,7 @@
 
     <!-- Process Accordion -->
     <div class="mb-32 px-4">
-      <h3 class="font-serif text-3xl text-white text-center mb-12 italic">创作流程</h3>
+      <h3 class="font-serif text-3xl text-art-text text-center mb-12 italic">创作流程</h3>
       <div class="process-accordion">
         <div class="process-step">
           <img src="https://images.unsplash.com/photo-1531403009284-440f080d1e12?q=80&w=2670&auto=format&fit=crop" class="step-bg" alt="Discovery">
@@ -83,13 +83,13 @@
     <div class="py-20 mb-32 overflow-hidden relative">
       <div class="absolute left-0 top-0 w-20 h-full bg-gradient-to-r from-art-bg to-transparent z-10"></div>
       <div class="absolute right-0 top-0 w-20 h-full bg-gradient-to-l from-art-bg to-transparent z-10"></div>
-      <h3 class="text-3xl font-serif text-white text-center mb-12 italic">客户原声</h3>
+      <h3 class="text-3xl font-serif text-art-text text-center mb-12 italic">客户原声</h3>
       <div v-if="loading" class="flex justify-center items-center h-64">
         <div class="animate-spin rounded-full h-12 w-12 border-t-2 border-b-2 border-art-accent"></div>
       </div>
       <div v-else-if="error" class="text-center text-red-500 py-20">
         <p class="mb-4">{{ error }}</p>
-        <button @click="fetchServicesData" class="px-4 py-2 bg-art-accent text-white rounded hover:bg-opacity-80 transition-colors">
+        <button @click="fetchServicesData" class="px-4 py-2 bg-art-accent text-black rounded hover:bg-opacity-80 transition-colors">
           重试
         </button>
       </div>
@@ -133,22 +133,22 @@
     </div>
     <!-- CTA -->
     <div class="max-w-4xl mx-auto text-center px-6 mb-20">
-      <div class="p-12 rounded-3xl bg-gradient-to-b from-white/10 to-transparent border border-white/10 relative overflow-hidden">
+      <div class="p-12 rounded-3xl bg-gradient-to-b from-art-text/5 to-transparent border border-art-border relative overflow-hidden">
         <div class="absolute top-0 left-1/2 -translate-x-1/2 w-64 h-64 bg-art-accent/20 blur-[100px] -z-10"></div>
-        <h2 class="text-4xl md:text-5xl font-serif text-white mb-6">准备好开始了吗？</h2>
+        <h2 class="text-4xl md:text-5xl font-serif text-art-text mb-6">准备好开始了吗？</h2>
         <p class="text-art-muted mb-8 max-w-xl mx-auto">无论是一个疯狂的想法，还是一个具体的业务需求，我都乐意倾听。</p>
         <button @click="openInquiry" class="inline-flex items-center gap-2 px-8 py-4 bg-white text-black rounded-full font-bold hover:scale-105 transition-transform"><span>发起合作咨询</span><i data-lucide="arrow-right" class="w-5 h-5"></i></button>
       </div>
     </div>
     <!-- Partners -->
-    <div class="max-w-4xl mx-auto px-6 mb-32 border-t border-white/5 pt-12">
+    <div class="max-w-4xl mx-auto px-6 mb-32 border-t border-art-border pt-12">
       <p class="text-center text-xs font-mono text-art-muted tracking-widest uppercase mb-8">Trusted By</p>
       <div v-if="loading" class="flex justify-center items-center h-64">
         <div class="animate-spin rounded-full h-12 w-12 border-t-2 border-b-2 border-art-accent"></div>
       </div>
       <div v-else-if="error" class="text-center text-red-500 py-20">
         <p class="mb-4">{{ error }}</p>
-        <button @click="fetchServicesData" class="px-4 py-2 bg-art-accent text-white rounded hover:bg-opacity-80 transition-colors">
+        <button @click="fetchServicesData" class="px-4 py-2 bg-art-accent text-black rounded hover:bg-opacity-80 transition-colors">
           重试
         </button>
       </div>
@@ -156,7 +156,7 @@
         <span 
           v-for="partner in partners" 
           :key="partner.id"
-          class="partner-logo text-xl font-bold text-white cursor-pointer"
+          class="partner-logo text-xl font-bold text-art-text cursor-pointer"
           :class="getPartnerFontClass(partner.name)"
         >
           {{ partner.name }}
diff --git a/client/src/pages/Snippets.vue b/client/src/pages/Snippets.vue
index 66deafc..bec0987 100644
--- a/client/src/pages/Snippets.vue
+++ b/client/src/pages/Snippets.vue
@@ -2,7 +2,7 @@
   <section id="snippets" class="page-section block animate-slide-down">
     <div class="max-w-7xl mx-auto pt-32 px-6 pb-20">
       <div class="mb-12 text-center">
-        <h2 class="font-serif text-5xl italic text-white mb-6">代码实验室</h2>
+        <h2 class="font-serif text-5xl italic text-art-text mb-6">代码实验室</h2>
         <p class="text-art-muted">点击下方卡片查看代码与实时效果。</p>
       </div>
       
@@ -14,7 +14,7 @@
       <!-- Error state -->
       <div v-else-if="error" class="text-center text-red-500 py-20">
         <p class="mb-4">{{ error }}</p>
-        <button @click="fetchSnippetsData" class="px-4 py-2 bg-art-accent text-white rounded hover:bg-opacity-80 transition-colors">
+        <button @click="fetchSnippetsData" class="px-4 py-2 bg-art-accent text-art-text rounded hover:bg-opacity-80 transition-colors">
           重试
         </button>
       </div>
@@ -25,17 +25,17 @@
         <div 
           v-for="snippet in snippets" 
           :key="snippet.id"
-          class="art-card rounded-xl p-0 overflow-hidden bg-[#0d0d0d] border border-white/10 cursor-pointer group hover:border-art-accent/50 transition-colors"
+          class="art-card rounded-xl p-0 overflow-hidden bg-[#0d0d0d] border border-art-border cursor-pointer group hover:border-art-accent/50 transition-colors"
           @click="openSnippet(snippet)"
         >
           <!-- Mac Window Header -->
-          <div class="flex items-center justify-between px-4 py-3 bg-white/5 border-b border-white/5">
+          <div class="flex items-center justify-between px-4 py-3 bg-art-text/5 border-b border-art-border">
             <div class="flex gap-2">
               <div class="w-3 h-3 rounded-full bg-[#ff5f56]"></div>
               <div class="w-3 h-3 rounded-full bg-[#ffbd2e]"></div>
               <div class="w-3 h-3 rounded-full bg-[#27c93f]"></div>
             </div>
-            <span class="text-xs font-mono text-art-muted group-hover:text-white transition-colors truncate min-w-0 flex-1">{{ snippet.title }}</span>
+            <span class="text-xs font-mono text-art-muted group-hover:text-art-text transition-colors truncate min-w-0 flex-1">{{ snippet.title }}</span>
             <a
               v-if="snippet.posts && snippet.posts.length > 0"
               :href="`/blog/${snippet.posts[0].id}`"
diff --git a/client/src/pages/VideoAlbumDetail.vue b/client/src/pages/VideoAlbumDetail.vue
index 4e659b4..8b1ef33 100644
--- a/client/src/pages/VideoAlbumDetail.vue
+++ b/client/src/pages/VideoAlbumDetail.vue
@@ -1,7 +1,7 @@
 <template>
   <section class="page-section block">
     <div class="max-w-6xl mx-auto pb-12 md:pb-20">
-      <button @click="router.push('/videos')" class="mb-8 text-art-muted hover:text-white flex items-center gap-2 text-sm">
+      <button @click="router.push('/videos')" class="mb-8 text-art-muted hover:text-art-text flex items-center gap-2 text-sm">
         <Icon name="arrow-left" :size="16" /> 返回视频
       </button>
 
@@ -13,7 +13,7 @@
           <div v-if="album.cover" class="aspect-[21/9] rounded-xl overflow-hidden mb-6 max-h-80">
             <img :src="album.cover" class="w-full h-full object-cover" alt="" />
           </div>
-          <h1 class="font-serif text-4xl text-white mb-3">{{ album.name }}</h1>
+          <h1 class="font-serif text-4xl text-art-text mb-3">{{ album.name }}</h1>
           <p class="text-art-muted max-w-2xl">{{ album.description }}</p>
         </div>
 
@@ -21,16 +21,16 @@
           <div
             v-for="video in videos"
             :key="video.id"
-            class="group cursor-pointer rounded-xl overflow-hidden border border-white/10 hover:border-art-accent/40 transition-colors"
+            class="group cursor-pointer rounded-xl overflow-hidden border border-art-border hover:border-art-accent/40 transition-colors"
             @click="router.push(`/videos/${video.id}`)"
           >
             <div class="aspect-video relative bg-black/40">
               <img v-if="video.cover" :src="video.cover" class="w-full h-full object-cover" alt="" />
               <div class="absolute inset-0 flex items-center justify-center">
-                <Icon name="play" :size="24" class="text-white opacity-70 group-hover:opacity-100" />
+                <Icon name="play" :size="24" class="text-art-text opacity-70 group-hover:opacity-100" />
               </div>
             </div>
-            <div class="p-4"><h3 class="text-white text-sm font-medium line-clamp-2">{{ video.title }}</h3></div>
+            <div class="p-4"><h3 class="text-art-text text-sm font-medium line-clamp-2">{{ video.title }}</h3></div>
           </div>
         </div>
         <div v-if="videos.length === 0" class="text-center py-12 text-art-muted">专辑内暂无视频</div>
diff --git a/client/src/pages/VideoDetail.vue b/client/src/pages/VideoDetail.vue
index ff45c15..5b7f936 100644
--- a/client/src/pages/VideoDetail.vue
+++ b/client/src/pages/VideoDetail.vue
@@ -1,7 +1,7 @@
 <template>
   <section class="page-section block">
     <div class="max-w-6xl mx-auto pb-12 md:pb-20">
-      <button @click="$router.back()" class="mb-8 text-art-muted hover:text-white flex items-center gap-2 text-sm">
+      <button @click="$router.back()" class="mb-8 text-art-muted hover:text-art-text flex items-center gap-2 text-sm">
         <Icon name="arrow-left" :size="16" /> 返回
       </button>
 
@@ -10,13 +10,13 @@
         <p class="mb-4">{{ error }}</p>
         <button
           type="button"
-          class="px-4 py-2 border border-white/20 rounded-full text-sm text-white hover:border-art-accent transition-colors"
+          class="px-4 py-2 border border-art-border rounded-full text-sm text-art-text hover:border-art-accent transition-colors"
           @click="load"
         >重试</button>
       </div>
 
       <template v-else-if="video">
-        <h1 class="font-serif text-3xl md:text-4xl text-white mb-6">{{ video.title }}</h1>
+        <h1 class="font-serif text-3xl md:text-4xl text-art-text mb-6">{{ video.title }}</h1>
 
         <div
           v-if="video.videoUrl"
@@ -25,7 +25,7 @@
         ></div>
         <div
           v-else
-          class="w-full aspect-video rounded-xl overflow-hidden bg-black/40 border border-white/10 flex items-center justify-center mb-6"
+          class="w-full aspect-video rounded-xl overflow-hidden bg-black/40 border border-art-border flex items-center justify-center mb-6"
         >
           <p class="text-art-muted text-sm">暂无视频地址</p>
         </div>
@@ -34,7 +34,7 @@
         <div v-if="video.albumContext" class="mb-8">
           <div class="flex items-center justify-between mb-4">
             <p class="text-sm text-art-muted">
-              来自专辑 <span class="text-white">{{ video.albumContext.albumName }}</span>
+              来自专辑 <span class="text-art-text">{{ video.albumContext.albumName }}</span>
             </p>
             <router-link
               :to="`/videos/albums/${video.albumContext.albumId}`"
@@ -49,10 +49,10 @@
               class="shrink-0 w-36 cursor-pointer group"
               @click="router.push(`/videos/${pv.id}`)"
             >
-              <div class="aspect-video rounded-lg overflow-hidden border border-white/10 group-hover:border-art-accent/50 transition-colors bg-black/40">
+              <div class="aspect-video rounded-lg overflow-hidden border border-art-border group-hover:border-art-accent/50 transition-colors bg-black/40">
                 <img v-if="pv.cover" :src="pv.cover" class="w-full h-full object-cover opacity-80 group-hover:opacity-100" alt="" />
               </div>
-              <p class="text-xs text-art-muted mt-1 line-clamp-2 group-hover:text-white">{{ pv.title }}</p>
+              <p class="text-xs text-art-muted mt-1 line-clamp-2 group-hover:text-art-text">{{ pv.title }}</p>
             </div>
             <!-- 当前视频高亮 -->
             <div class="shrink-0 w-36">
@@ -68,10 +68,10 @@
               class="shrink-0 w-36 cursor-pointer group"
               @click="router.push(`/videos/${nv.id}`)"
             >
-              <div class="aspect-video rounded-lg overflow-hidden border border-white/10 group-hover:border-art-accent/50 transition-colors bg-black/40">
+              <div class="aspect-video rounded-lg overflow-hidden border border-art-border group-hover:border-art-accent/50 transition-colors bg-black/40">
                 <img v-if="nv.cover" :src="nv.cover" class="w-full h-full object-cover opacity-80 group-hover:opacity-100" alt="" />
               </div>
-              <p class="text-xs text-art-muted mt-1 line-clamp-2 group-hover:text-white">{{ nv.title }}</p>
+              <p class="text-xs text-art-muted mt-1 line-clamp-2 group-hover:text-art-text">{{ nv.title }}</p>
             </div>
           </div>
         </div>
@@ -81,7 +81,7 @@
             <span v-if="video.categoryName">{{ video.categoryName }}</span>
             <span v-if="video.createdAt">发布于 {{ video.createdAt }}</span>
           </div>
-          <p v-if="video.description" class="text-white/80 leading-relaxed whitespace-pre-wrap">{{ video.description }}</p>
+          <p v-if="video.description" class="text-art-text/80 leading-relaxed whitespace-pre-wrap">{{ video.description }}</p>
         </div>
       </template>
     </div>
diff --git a/client/src/pages/Videos.vue b/client/src/pages/Videos.vue
index 782bbb1..d3e2e28 100644
--- a/client/src/pages/Videos.vue
+++ b/client/src/pages/Videos.vue
@@ -2,7 +2,7 @@
   <section id="videos" class="page-section block animate-slide-down">
     <div class="max-w-6xl mx-auto pb-12 md:pb-20">
       <div class="mb-12">
-        <h2 class="font-serif text-5xl italic text-white mb-4">视频</h2>
+        <h2 class="font-serif text-5xl italic text-art-text mb-4">视频</h2>
         <p class="text-art-muted">精选视频内容与系列专辑。</p>
       </div>
 
@@ -11,7 +11,7 @@
         <button
           type="button"
           class="px-4 py-1.5 rounded-full text-sm border transition-colors"
-          :class="activeCategory === 0 ? 'border-art-accent text-art-accent bg-art-accent/10' : 'border-white/10 text-art-muted hover:text-white'"
+          :class="activeCategory === 0 ? 'border-art-accent text-art-accent bg-art-accent/10' : 'border-art-border text-art-muted hover:text-art-text'"
           @click="selectCategory(0)"
         >全部</button>
         <button
@@ -19,7 +19,7 @@
           :key="cat.id"
           type="button"
           class="px-4 py-1.5 rounded-full text-sm border transition-colors"
-          :class="activeCategory === cat.id ? 'border-art-accent text-art-accent bg-art-accent/10' : 'border-white/10 text-art-muted hover:text-white'"
+          :class="activeCategory === cat.id ? 'border-art-accent text-art-accent bg-art-accent/10' : 'border-art-border text-art-muted hover:text-art-text'"
           @click="selectCategory(cat.id)"
         >{{ cat.name }}</button>
       </div>
@@ -32,10 +32,10 @@
             v-for="cat in categories"
             :key="'card-' + cat.id"
             class="group p-5 rounded-xl border cursor-pointer transition-colors"
-            :class="activeCategory === cat.id ? 'border-art-accent/50 bg-art-accent/5' : 'border-white/10 hover:border-art-accent/30 hover:bg-white/5'"
+            :class="activeCategory === cat.id ? 'border-art-accent/50 bg-art-accent/5' : 'border-art-border hover:border-art-accent/30 hover:bg-art-text/5'"
             @click="selectCategory(cat.id)"
           >
-            <h4 class="text-white font-medium group-hover:text-art-accent transition-colors">{{ cat.name }}</h4>
+            <h4 class="text-art-text font-medium group-hover:text-art-accent transition-colors">{{ cat.name }}</h4>
             <p v-if="cat.description" class="text-xs text-art-muted mt-2 line-clamp-2">{{ cat.description }}</p>
             <div class="flex gap-4 mt-3 text-xs text-art-muted">
               <span>{{ cat.videoCount ?? 0 }} 个视频</span>
@@ -44,7 +44,7 @@
           </div>
         </div>
       </div>
-      <div v-else-if="!loading && !error" class="mb-10 text-center text-art-muted text-sm py-6 border border-dashed border-white/10 rounded-xl">
+      <div v-else-if="!loading && !error" class="mb-10 text-center text-art-muted text-sm py-6 border border-dashed border-art-border rounded-xl">
         暂无视频分类，请先在后台创建分类
       </div>
 
@@ -54,7 +54,7 @@
         <p class="text-red-400 mb-4">{{ error }}</p>
         <button
           type="button"
-          class="px-4 py-2 border border-white/20 rounded-full text-sm text-white hover:border-art-accent hover:text-art-accent transition-colors"
+          class="px-4 py-2 border border-art-border rounded-full text-sm text-art-text hover:border-art-accent hover:text-art-accent transition-colors"
           @click="loadAll"
         >重试</button>
       </div>
@@ -67,7 +67,7 @@
             <div
               v-for="album in albums"
               :key="album.id"
-              class="group rounded-xl overflow-hidden border border-white/10 hover:border-art-accent/40 transition-colors"
+              class="group rounded-xl overflow-hidden border border-art-border hover:border-art-accent/40 transition-colors"
             >
               <div
                 class="aspect-video bg-gray-900 overflow-hidden cursor-pointer"
@@ -78,7 +78,7 @@
               <!-- 专辑预览视频缩略图 -->
               <div
                 v-if="album.previewVideos?.length"
-                class="flex gap-1 px-2 py-2 bg-black/30 border-t border-white/5 overflow-x-auto"
+                class="flex gap-1 px-2 py-2 bg-black/30 border-t border-art-border overflow-x-auto"
               >
                 <div
                   v-for="pv in album.previewVideos"
@@ -87,13 +87,13 @@
                   @click.stop="router.push(`/videos/${pv.id}`)"
                 >
                   <img v-if="pv.cover" :src="pv.cover" class="w-full h-full object-cover" alt="" />
-                  <div v-else class="w-full h-full bg-white/5 flex items-center justify-center">
-                    <Icon name="play" :size="12" class="text-white/50" />
+                  <div v-else class="w-full h-full bg-art-text/5 flex items-center justify-center">
+                    <Icon name="play" :size="12" class="text-art-muted" />
                   </div>
                 </div>
               </div>
               <div class="p-4 cursor-pointer" @click="router.push(`/videos/albums/${album.id}`)">
-                <h4 class="text-white font-medium group-hover:text-art-accent transition-colors">{{ album.name }}</h4>
+                <h4 class="text-art-text font-medium group-hover:text-art-accent transition-colors">{{ album.name }}</h4>
                 <p class="text-xs text-art-muted mt-1">
                   {{ album.videoCount ?? 0 }} 个视频
                   <span v-if="album.latestVideoUpdatedAt" class="ml-2">· 更新于 {{ album.latestVideoUpdatedAt }}</span>
@@ -103,7 +103,7 @@
             </div>
           </div>
         </div>
-        <div v-else class="mb-10 text-center text-art-muted text-sm py-8 border border-dashed border-white/10 rounded-xl">
+        <div v-else class="mb-10 text-center text-art-muted text-sm py-8 border border-dashed border-art-border rounded-xl">
           暂无专辑
         </div>
 
@@ -114,19 +114,19 @@
             <div
               v-for="video in videos"
               :key="video.id"
-              class="group cursor-pointer rounded-xl overflow-hidden border border-white/10 hover:border-art-accent/40 transition-colors"
+              class="group cursor-pointer rounded-xl overflow-hidden border border-art-border hover:border-art-accent/40 transition-colors"
               @click="router.push(`/videos/${video.id}`)"
             >
               <div class="aspect-video bg-black/40 relative overflow-hidden">
                 <img v-if="video.cover" :src="video.cover" class="w-full h-full object-cover" alt="" />
                 <div class="absolute inset-0 flex items-center justify-center bg-black/30 group-hover:bg-black/10 transition-colors">
-                  <div class="w-12 h-12 rounded-full border border-white/30 flex items-center justify-center">
-                    <Icon name="play" :size="20" class="text-white ml-0.5" />
+                  <div class="w-12 h-12 rounded-full border border-art-border flex items-center justify-center">
+                    <Icon name="play" :size="20" class="text-art-text ml-0.5" />
                   </div>
                 </div>
               </div>
               <div class="p-4">
-                <h4 class="text-white font-medium line-clamp-2">{{ video.title }}</h4>
+                <h4 class="text-art-text font-medium line-clamp-2">{{ video.title }}</h4>
                 <p class="text-xs text-art-muted mt-1">
                   {{ video.categoryName || '未分类' }}
                   <span v-if="video.createdAt" class="ml-2">· 发布于 {{ video.createdAt }}</span>
diff --git a/client/src/pages/WorkDetail.vue b/client/src/pages/WorkDetail.vue
index 6a7cd7d..a9e8ecf 100644
--- a/client/src/pages/WorkDetail.vue
+++ b/client/src/pages/WorkDetail.vue
@@ -1,22 +1,22 @@
 <template>
   <section id="work-detail" class="work-detail-page page-section block">
-    <button @click="$router.push('/works')" class="fixed top-8 right-8 z-[60] mix-blend-difference text-white hover:scale-110 transition-transform">
-      <div class="rounded-full border border-white/20 p-4 backdrop-blur-md bg-white/5"><Icon name="x" :size="24" /></div>
+    <button @click="$router.push('/works')" class="fixed top-8 right-8 z-[60] text-art-text hover:text-art-accent hover:scale-110 transition-all">
+      <div class="rounded-full border border-art-border p-4 backdrop-blur-md bg-art-surface/80"><Icon name="x" :size="24" /></div>
     </button>
     <div class="fixed top-0 left-0 h-1 bg-art-accent z-[60] w-0 transition-all duration-100" id="scroll-progress"></div>
     
     <!-- Loading state -->
-    <div v-if="loading" class="fixed inset-0 bg-black flex items-center justify-center z-[99]">
+    <div v-if="loading" class="fixed inset-0 bg-art-bg flex items-center justify-center z-[99]">
       <div class="animate-spin rounded-full h-16 w-16 border-t-2 border-b-2 border-art-accent"></div>
     </div>
     
     <!-- Error state -->
-    <div v-else-if="error" class="fixed inset-0 bg-black flex flex-col items-center justify-center z-[99] p-8">
+    <div v-else-if="error" class="fixed inset-0 bg-art-bg flex flex-col items-center justify-center z-[99] p-8">
       <p class="text-red-500 text-xl mb-4">{{ error }}</p>
-      <button @click="fetchWorkDetails" class="px-6 py-3 bg-art-accent text-white rounded hover:bg-opacity-80 transition-colors">
+      <button @click="fetchWorkDetails" class="px-6 py-3 bg-art-accent text-black rounded hover:bg-opacity-80 transition-colors">
         重试
       </button>
-      <button @click="$router.push('/works')" class="mt-4 px-6 py-3 border border-white/30 text-white rounded hover:bg-white/5 transition-colors">
+      <button @click="$router.push('/works')" class="mt-4 px-6 py-3 border border-art-border text-art-text rounded hover:bg-art-text/5 transition-colors">
         返回作品列表
       </button>
     </div>
@@ -35,15 +35,15 @@
         <!-- Play Button Overlay：有视频时显示，点击弹层播放，不覆盖主图 -->
         <div
           v-if="work.videoUrl"
-          class="absolute top-1/2 left-1/2 -translate-x-1/2 -translate-y-1/2 w-24 h-24 rounded-full border border-white/20 bg-white/5 backdrop-blur-md flex items-center justify-center cursor-pointer hover:scale-110 hover:bg-white/10 transition-all duration-500 group-hover:border-art-accent/50 z-20"
+          class="absolute top-1/2 left-1/2 -translate-x-1/2 -translate-y-1/2 w-24 h-24 rounded-full border border-art-border bg-art-text/5 backdrop-blur-md flex items-center justify-center cursor-pointer hover:scale-110 hover:bg-art-text/10 transition-all duration-500 group-hover:border-art-accent/50 z-20"
           @click="videoModalOpen = true"
         >
             <Icon name="play" :size="32" class="text-white fill-white ml-1" />
-            <div class="absolute inset-0 rounded-full border border-white/20 animate-pulse-slow"></div>
+            <div class="absolute inset-0 rounded-full border border-white/30 animate-pulse-slow"></div>
         </div>
 
         <div class="absolute bottom-0 left-0 p-8 md:p-20 w-full">
-          <div class="flex items-end justify-between border-t border-white/30 pt-8 animate-slide-down">
+          <div class="flex items-end justify-between border-t border-art-border pt-8 animate-slide-down">
             <div>
               <span id="work-category" class="font-mono text-art-accent text-sm tracking-[0.2em] uppercase mb-2 block">{{ work.category }}</span>
               <h1 id="work-title" class="font-serif text-5xl md:text-8xl text-white leading-[0.9] mix-blend-overlay">{{ work.title }}</h1>
@@ -53,11 +53,11 @@
         </div>
       </div>
       <div class="flex flex-col md:flex-row max-w-[1920px] mx-auto min-h-screen">
-        <div class="md:w-1/3 p-8 md:p-16 md:sticky md:top-0 md:h-screen md:max-h-screen overflow-y-auto custom-scrollbar flex flex-col justify-between border-r border-white/5 bg-[#050505]">
+        <div class="md:w-1/3 p-8 md:p-16 md:sticky md:top-0 md:h-screen md:max-h-screen overflow-y-auto custom-scrollbar flex flex-col justify-between border-r border-art-border bg-art-bg">
           <div class="space-y-12">
             <div>
               <h3 class="font-mono text-xs text-art-muted uppercase tracking-widest mb-4">关于项目</h3>
-              <div id="work-desc" class="text-white/80 font-light leading-relaxed text-lg font-serif" v-html="work.desc"></div>
+              <div id="work-desc" class="text-art-text/80 font-light leading-relaxed text-lg font-serif" v-html="work.desc"></div>
             </div>
             <div>
               <h3 class="font-mono text-xs text-art-muted uppercase tracking-widest mb-6">技术全景</h3>
@@ -78,13 +78,13 @@
               id="work-link-live" 
               :href="work.links.live" 
               target="_blank" 
-              class="group flex items-center justify-between w-full py-4 border-t border-white/10 hover:bg-white/5 transition-colors"
+              class="group flex items-center justify-between w-full py-4 border-t border-art-border hover:bg-art-text/5 transition-colors"
             >
-              <span class="font-serif text-xl italic text-white group-hover:text-art-accent transition-colors flex items-center gap-3">
+              <span class="font-serif text-xl italic text-art-text group-hover:text-art-accent transition-colors flex items-center gap-3">
                 <Icon name="globe" :size="20" />
                 访问线上项目
               </span>
-              <Icon name="arrow-up-right" :size="20" class="text-white group-hover:rotate-45 transition-transform" />
+              <Icon name="arrow-up-right" :size="20" class="text-art-text group-hover:rotate-45 transition-transform" />
             </a>
             <!-- Demo Link -->
             <a 
@@ -92,13 +92,13 @@
               id="work-link-demo" 
               :href="work.links.demo" 
               target="_blank" 
-              class="group flex items-center justify-between w-full py-4 border-t border-white/10 hover:bg-white/5 transition-colors"
+              class="group flex items-center justify-between w-full py-4 border-t border-art-border hover:bg-art-text/5 transition-colors"
             >
-              <span class="font-serif text-xl italic text-white group-hover:text-art-accent transition-colors flex items-center gap-3">
+              <span class="font-serif text-xl italic text-art-text group-hover:text-art-accent transition-colors flex items-center gap-3">
                 <Icon name="play-circle" :size="20" />
                 查看演示
               </span>
-              <Icon name="arrow-up-right" :size="20" class="text-white group-hover:rotate-45 transition-transform" />
+              <Icon name="arrow-up-right" :size="20" class="text-art-text group-hover:rotate-45 transition-transform" />
             </a>
             <!-- GitHub Link -->
             <a 
@@ -106,17 +106,17 @@
               id="work-link-github" 
               :href="work.links.github" 
               target="_blank" 
-              class="group flex items-center justify-between w-full py-4 border-t border-white/10 hover:bg-white/5 transition-colors"
+              class="group flex items-center justify-between w-full py-4 border-t border-art-border hover:bg-art-text/5 transition-colors"
             >
-              <span class="font-serif text-xl italic text-white group-hover:text-art-accent transition-colors flex items-center gap-3">
+              <span class="font-serif text-xl italic text-art-text group-hover:text-art-accent transition-colors flex items-center gap-3">
                 <Icon name="github" :size="20" />
                 查看源码
               </span>
-              <Icon name="arrow-up-right" :size="20" class="text-white group-hover:rotate-45 transition-transform" />
+              <Icon name="arrow-up-right" :size="20" class="text-art-text group-hover:rotate-45 transition-transform" />
             </a>
           </div>
         </div>
-        <div class="md:w-2/3 bg-[#080808] flex flex-col">
+        <div class="md:w-2/3 bg-art-bg flex flex-col">
           <div id="work-gallery" class="flex flex-col flex-grow">
             <template v-for="(img, index) in work.gallery" :key="index">
               <!-- Alternating layout logic -->
@@ -136,15 +136,15 @@
             </template>
           </div>
           <div 
-            class="h-[40vh] flex items-center justify-center border-t border-white/5 bg-[#050505] cursor-pointer group hover:bg-white/5 transition-colors"
+            class="h-[40vh] flex items-center justify-center border-t border-art-border bg-art-bg cursor-pointer group hover:bg-art-text/5 transition-colors"
             @click="openNextWork"
           >
             <div class="text-center">
               <p class="font-mono text-xs text-art-muted mb-4 tracking-widest">下一个作品</p>
-              <h2 class="font-serif text-5xl text-white group-hover:italic transition-all">返回作品列表</h2>
+              <h2 class="font-serif text-5xl text-art-text group-hover:italic transition-all">返回作品列表</h2>
             </div>
           </div>
-<!--          <footer class="py-8 text-center border-t border-white/5 relative z-10 bg-[#050505]"><p class="text-art-muted text-xs font-mono tracking-widest opacity-50">&copy; 2024 年糕崽崽. 保留所有权利.</p></footer>-->
+<!--          <footer class="py-8 text-center border-t border-art-border relative z-10 bg-art-bg"><p class="text-art-muted text-xs font-mono tracking-widest opacity-50">&copy; 2024 年糕崽崽. 保留所有权利.</p></footer>-->
         </div>
       </div>
 
diff --git a/client/src/pages/Works.vue b/client/src/pages/Works.vue
index 4ef28f4..3390b7c 100644
--- a/client/src/pages/Works.vue
+++ b/client/src/pages/Works.vue
@@ -1,7 +1,7 @@
 <template>
   <section id="works" class="page-section block animate-slide-down">
     <div class="mb-32">
-        <h2 class="font-serif text-5xl italic text-white mb-6">精选作品</h2>
+        <h2 class="font-serif text-5xl italic text-art-text mb-6">精选作品</h2>
         <p class="text-art-muted">这里展示了我参与设计和开发的核心项目。</p>
       </div>
       <!-- Loading state -->
@@ -11,7 +11,7 @@
       <!-- Error state -->
       <div v-else-if="error" class="text-center text-red-500">
         <p>{{ error }}</p>
-        <button @click="fetchWorksData" class="mt-4 px-4 py-2 bg-art-accent text-white rounded hover:bg-opacity-80 transition-colors">
+        <button @click="fetchWorksData" class="mt-4 px-4 py-2 bg-art-accent text-black rounded hover:bg-opacity-80 transition-colors">
           重试
         </button>
       </div>
@@ -26,14 +26,11 @@
           <!-- 作品图片 -->
           <div 
             :class="index % 2 === 1 ? 'md:order-2' : 'md:order-1'"
-            class="relative aspect-[4/3] overflow-hidden rounded-sm bg-gray-900 border border-white/5"
+            class="relative aspect-[4/3] overflow-hidden rounded-sm bg-art-surface border border-art-border"
           >
             <div 
-              class="absolute inset-0 z-10"
-              :class="[
-                index % 2 === 0 ? 'bg-gradient-to-tr from-purple-900/40 to-blue-900/40' : 'bg-gradient-to-tr from-orange-900/40 to-red-900/40',
-                'mix-blend-color-burn'
-              ]"
+              class="absolute inset-0 z-10 dark:mix-blend-color-burn"
+              :class="index % 2 === 0 ? 'bg-gradient-to-tr from-purple-900/40 to-blue-900/40' : 'bg-gradient-to-tr from-orange-900/40 to-red-900/40'"
             ></div>
             <div class="absolute inset-0 bg-black/30 group-hover:bg-transparent transition-colors z-20"></div>
             <img 
@@ -51,7 +48,7 @@
             <div class="font-mono text-xs text-art-accent">{{ work.year }} · {{ work.category }}</div>
             <!-- 作品标题 -->
             <h3 
-              class="text-4xl font-serif text-white group-hover:text-art-accent transition-colors"
+              class="text-4xl font-serif text-art-text group-hover:text-art-accent transition-colors"
             >
               {{ work.title }}
             </h3>
@@ -62,7 +59,7 @@
               <span 
                 v-for="(stack, stackIndex) in work.techStack.flatMap(tech => tech.items)" 
                 :key="stackIndex"
-                class="px-3 py-1 border border-white/10 rounded-full text-xs text-white/70"
+                class="px-3 py-1 border border-art-border rounded-full text-xs text-art-text/70"
               >
                 {{ stack }}
               </span>
@@ -74,7 +71,7 @@
                 :href="work.links.live" 
                 target="_blank"
                 @click.stop
-                class="inline-flex items-center gap-2 px-4 py-2 border border-white/10 rounded-full text-xs text-white/70 hover:border-art-accent hover:text-art-accent transition-all"
+                class="inline-flex items-center gap-2 px-4 py-2 border border-art-border rounded-full text-xs text-art-text/70 hover:border-art-accent hover:text-art-accent transition-all"
               >
                 <Icon name="globe" :size="12" />
                 线上项目
@@ -84,7 +81,7 @@
                 :href="work.links.demo" 
                 target="_blank"
                 @click.stop
-                class="inline-flex items-center gap-2 px-4 py-2 border border-white/10 rounded-full text-xs text-white/70 hover:border-art-accent hover:text-art-accent transition-all"
+                class="inline-flex items-center gap-2 px-4 py-2 border border-art-border rounded-full text-xs text-art-text/70 hover:border-art-accent hover:text-art-accent transition-all"
               >
                 <Icon name="play-circle" :size="12" />
                 演示
@@ -94,7 +91,7 @@
                 :href="work.links.github" 
                 target="_blank"
                 @click.stop
-                class="inline-flex items-center gap-2 px-4 py-2 border border-white/10 rounded-full text-xs text-white/70 hover:border-art-accent hover:text-art-accent transition-all"
+                class="inline-flex items-center gap-2 px-4 py-2 border border-art-border rounded-full text-xs text-art-text/70 hover:border-art-accent hover:text-art-accent transition-all"
               >
                 <Icon name="github" :size="12" />
                 源码
@@ -102,7 +99,7 @@
             </div>
             <!-- 查看详情按钮 -->
             <div class="pt-4" :class="[index % 2 === 1 ? 'flex md:justify-end' : '']">
-              <span class="inline-flex items-center gap-2 text-sm font-medium text-white border-b border-transparent hover:border-art-accent hover:text-art-accent transition-all">
+              <span class="inline-flex items-center gap-2 text-sm font-medium text-art-text border-b border-transparent hover:border-art-accent hover:text-art-accent transition-all">
                 查看项目详情 <Icon name="arrow-right" :size="16" />
               </span>
             </div>
diff --git a/client/src/style.css b/client/src/style.css
index 577cfae..137909f 100644
--- a/client/src/style.css
+++ b/client/src/style.css
@@ -2,40 +2,133 @@
 @tailwind components;
 @tailwind utilities;
 
+/* Theme tokens — light (:root) / dark (.dark) */
+:root {
+  --art-bg: 250 248 244;
+  --art-surface: 255 255 255;
+  --art-border: rgba(0, 0, 0, 0.08);
+  --art-text: 23 23 23;
+  --art-muted: 107 107 107;
+  --art-accent: 212 179 131;
+  --art-error: 239 68 68;
+  --art-admin-bg: 10 10 10;
+  --art-admin-card: 18 18 20;
+  --art-admin-hover: 26 26 28;
+
+  --art-nav-bg: rgba(250, 248, 244, 0.82);
+  --art-card-bg: rgba(255, 255, 255, 0.55);
+  --art-card-border: rgba(0, 0, 0, 0.07);
+  --art-card-shine: rgba(212, 179, 131, 0.08);
+  --art-hover-border: rgba(212, 179, 131, 0.55);
+  --art-overlay: rgba(0, 0, 0, 0.45);
+  --art-shadow: 0 18px 40px -12px rgba(80, 55, 20, 0.14);
+  --art-scroll-thumb: rgba(0, 0, 0, 0.12);
+  --art-scroll-thumb-hover: rgba(0, 0, 0, 0.25);
+  --art-toast-bg: rgba(255, 255, 255, 0.95);
+  --art-toast-border: rgba(0, 0, 0, 0.08);
+  --art-tilt-bg: rgba(255, 255, 255, 0.65);
+  --art-tilt-border: rgba(0, 0, 0, 0.07);
+  --art-process-bg: 255 255 255;
+  --art-process-hover: 248 245 240;
+  --art-process-border: rgba(0, 0, 0, 0.08);
+  --art-step-number: rgba(0, 0, 0, 0.08);
+  --art-tech-item-bg: rgba(0, 0, 0, 0.03);
+  --art-tech-item-border: rgba(0, 0, 0, 0.08);
+  --art-tech-item-text: 82 82 91;
+  --art-danmaku-bg: rgba(255, 255, 255, 0.7);
+  --art-danmaku-border: rgba(0, 0, 0, 0.08);
+  --art-danmaku-text: 63 63 70;
+  --art-text-glow: 0 0 36px rgba(212, 179, 131, 0.35);
+  --art-drawer-bg: 255 255 255;
+  --art-input-autofill: 250 248 244;
+  --art-input-autofill-text: 23 23 23;
+  --art-checker: #ebe6de;
+  --art-noise-opacity: 0.04;
+  --art-noise-blend: multiply;
+  --art-aurora-1: rgba(212, 179, 131, 0.14);
+  --art-aurora-2: rgba(196, 150, 90, 0.1);
+}
+
+.dark {
+  --art-bg: 5 5 5;
+  --art-surface: 18 18 20;
+  --art-border: rgba(255, 255, 255, 0.08);
+  --art-text: 236 236 236;
+  --art-muted: 136 136 136;
+  --art-accent: 212 179 131;
+  --art-error: 239 68 68;
+  --art-admin-bg: 10 10 10;
+  --art-admin-card: 18 18 20;
+  --art-admin-hover: 26 26 28;
+
+  --art-nav-bg: rgba(5, 5, 5, 0.7);
+  --art-card-bg: rgba(255, 255, 255, 0.02);
+  --art-card-border: rgba(255, 255, 255, 0.03);
+  --art-card-shine: rgba(255, 255, 255, 0.02);
+  --art-hover-border: rgba(212, 179, 131, 0.3);
+  --art-overlay: rgba(0, 0, 0, 0.9);
+  --art-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.5);
+  --art-scroll-thumb: rgba(255, 255, 255, 0.1);
+  --art-scroll-thumb-hover: rgba(255, 255, 255, 0.2);
+  --art-toast-bg: rgba(20, 20, 23, 0.9);
+  --art-toast-border: rgba(255, 255, 255, 0.1);
+  --art-tilt-bg: rgba(255, 255, 255, 0.03);
+  --art-tilt-border: rgba(255, 255, 255, 0.05);
+  --art-process-bg: 18 18 20;
+  --art-process-hover: 26 26 28;
+  --art-process-border: rgba(255, 255, 255, 0.1);
+  --art-step-number: rgba(255, 255, 255, 0.1);
+  --art-tech-item-bg: rgba(255, 255, 255, 0.03);
+  --art-tech-item-border: rgba(255, 255, 255, 0.08);
+  --art-tech-item-text: 161 161 170;
+  --art-danmaku-bg: rgba(255, 255, 255, 0.05);
+  --art-danmaku-border: rgba(255, 255, 255, 0.1);
+  --art-danmaku-text: 212 212 216;
+  --art-text-glow: 0 0 30px rgba(255, 255, 255, 0.1);
+  --art-drawer-bg: 26 26 26;
+  --art-input-autofill: 5 5 5;
+  --art-input-autofill-text: 236 236 236;
+  --art-checker: #1a1a1a;
+  --art-noise-opacity: 0.3;
+  --art-noise-blend: overlay;
+  --art-aurora-1: transparent;
+  --art-aurora-2: transparent;
+}
+
 /* Custom Scrollbar */
 ::-webkit-scrollbar { width: 6px; height: 6px; }
 ::-webkit-scrollbar-track { background: transparent; }
-::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.1); border-radius: 3px; transition: all 0.3s ease; }
-::-webkit-scrollbar-thumb:hover { background: #d4b383; box-shadow: 0 0 10px rgba(212, 179, 131, 0.4); }
+::-webkit-scrollbar-thumb { background: var(--art-scroll-thumb); border-radius: 3px; transition: all 0.3s ease; }
+::-webkit-scrollbar-thumb:hover { background: rgb(var(--art-accent)); box-shadow: 0 0 10px rgba(212, 179, 131, 0.4); }
 ::-webkit-scrollbar-corner { background: transparent; }
 
 .custom-scrollbar::-webkit-scrollbar { width: 4px; }
-.custom-scrollbar::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.05); }
-.custom-scrollbar:hover::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.2); }
+.custom-scrollbar::-webkit-scrollbar-thumb { background: var(--art-scroll-thumb); }
+.custom-scrollbar:hover::-webkit-scrollbar-thumb { background: var(--art-scroll-thumb-hover); }
 
 /* Glass & Utils - Keep for Frontend */
-.glass-nav { background: rgba(5, 5, 5, 0.7); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-bottom: 1px solid rgba(255, 255, 255, 0.03); }
-.art-card { background: rgba(255, 255, 255, 0.02); border: 1px solid rgba(255, 255, 255, 0.03); transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1); position: relative; overflow: hidden; }
-.art-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.02) 100%); opacity: 0; transition: opacity 0.5s ease; }
-.art-card:hover { transform: translateY(-5px); border-color: rgba(212, 179, 131, 0.3); box-shadow: 0 20px 40px -10px rgba(0,0,0,0.5); }
+.glass-nav { background: var(--art-nav-bg); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-bottom: 1px solid var(--art-card-border); }
+.art-card { background: var(--art-card-bg); border: 1px solid var(--art-card-border); transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1); position: relative; overflow: hidden; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
+.art-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: linear-gradient(180deg, transparent 0%, var(--art-card-shine) 100%); opacity: 0; transition: opacity 0.5s ease; }
+.art-card:hover { transform: translateY(-5px); border-color: var(--art-hover-border); box-shadow: var(--art-shadow); }
 .art-card:hover::before { opacity: 1; }
-.text-glow { text-shadow: 0 0 30px rgba(255,255,255,0.1); }
+.text-glow { text-shadow: var(--art-text-glow); }
 
 .link-underline { position: relative; }
-.link-underline::after { content: ''; position: absolute; width: 0; height: 1px; bottom: -2px; left: 0; background-color: #d4b383; transition: width 0.3s ease; }
+.link-underline::after { content: ''; position: absolute; width: 0; height: 1px; bottom: -2px; left: 0; background-color: rgb(var(--art-accent)); transition: width 0.3s ease; }
 .link-underline:hover::after { width: 100%; }
 
 /* Modal & Toast */
-.modal-overlay { background: rgba(0, 0, 0, 0.9); backdrop-filter: blur(10px); }
+.modal-overlay { background: var(--art-overlay); backdrop-filter: blur(10px); }
 .toast-container { position: fixed; bottom: 2rem; right: 2rem; z-index: 100; display: flex; flex-direction: column; gap: 0.5rem; pointer-events: none; }
-.toast { background: rgba(20, 20, 23, 0.9); border: 1px solid rgba(255,255,255,0.1); backdrop-filter: blur(12px); padding: 1rem 1.5rem; border-radius: 0.5rem; color: white; box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5); display: flex; align-items: center; gap: 0.75rem; transform: translateX(100%); transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1); pointer-events: auto; min-width: 300px; }
+.toast { background: var(--art-toast-bg); border: 1px solid var(--art-toast-border); backdrop-filter: blur(12px); padding: 1rem 1.5rem; border-radius: 0.5rem; color: rgb(var(--art-text)); box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.15); display: flex; align-items: center; gap: 0.75rem; transform: translateX(100%); transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1); pointer-events: auto; min-width: 300px; }
 .toast.show { transform: translateX(0); }
-.toast-success { border-left: 3px solid #d4b383; }
-.toast-error { border-left: 3px solid #ef4444; }
+.toast-success { border-left: 3px solid rgb(var(--art-accent)); }
+.toast-error { border-left: 3px solid rgb(var(--art-error)); }
 
 /* Form Error */
-.input-error { border-bottom-color: #ef4444 !important; }
-.error-msg { color: #ef4444; font-family: 'Inter', sans-serif; font-size: 0.75rem; margin-top: 0.4rem; display: block; animation: fadeIn 0.3s forwards; }
+.input-error { border-bottom-color: rgb(var(--art-error)) !important; }
+.error-msg { color: rgb(var(--art-error)); font-family: 'Inter', sans-serif; font-size: 0.75rem; margin-top: 0.4rem; display: block; animation: fadeIn 0.3s forwards; }
 @keyframes fadeIn { to { opacity: 1; } }
 
 /* Admin UI System - New */
@@ -93,7 +186,7 @@
   }
 }
 
-/* Code Block - Keep for Frontend, Admin Editor uses its own */
+/* Code Block - Keep for Frontend, Admin Editor uses its own (always dark) */
 .mac-code-block { background: #1e1e1e; padding: 3rem 1.5rem 1.5rem 1.5rem; border-radius: 0.75rem; overflow-x: auto; margin-bottom: 0; border: 1px solid rgba(255,255,255,0.1); position: relative; box-shadow: 0 10px 30px -10px rgba(0,0,0,0.5); }
 .mac-code-block::before { content: ''; position: absolute; top: 1rem; left: 1.5rem; width: 0.75rem; height: 0.75rem; border-radius: 50%; background: #ff5f56; box-shadow: 1.25rem 0 0 #ffbd2e, 2.5rem 0 0 #27c93f; }
 .code-keyword { color: #c678dd; } .code-func { color: #61afef; } .code-string { color: #98c379; } .code-comment { color: #5c6370; font-style: italic; }
@@ -102,7 +195,7 @@
 .hljs { background: transparent !important; padding: 0 !important; }
 
 /* Layout Specifics */
-.work-detail-page { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: #050505; z-index: 100; overflow-y: auto; }
+.work-detail-page { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgb(var(--art-bg)); z-index: 100; overflow-y: auto; }
 .gallery-image { width: 100%; margin-bottom: 4rem; filter: grayscale(20%); transition: filter 0.5s; }
 .gallery-image:hover { filter: grayscale(0%); }
 
@@ -111,32 +204,32 @@
 
 /* Tilt & Service Styles */
 .tilt-card { position: relative; transform-style: preserve-3d; transform: perspective(1000px); transition: transform 0.1s ease; }
-.tilt-inner { background: rgba(255, 255, 255, 0.03); border: 1px solid rgba(255, 255, 255, 0.05); backdrop-filter: blur(10px); border-radius: 1rem; padding: 2rem; height: 100%; position: relative; overflow: hidden; box-shadow: inset 0 0 0 1px rgba(255,255,255,0.05); }
+.tilt-inner { background: var(--art-tilt-bg); border: 1px solid var(--art-tilt-border); backdrop-filter: blur(10px); border-radius: 1rem; padding: 2rem; height: 100%; position: relative; overflow: hidden; box-shadow: inset 0 0 0 1px var(--art-tilt-border); }
 .tilt-inner::before { content: ""; position: absolute; height: 100%; width: 100%; top: 0; left: 0; background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(212, 179, 131, 0.15), transparent 40%); z-index: 0; opacity: 0; transition: opacity 0.3s; pointer-events: none; }
 .tilt-card:hover .tilt-inner::before { opacity: 1; }
 
 .process-accordion { display: flex; gap: 1rem; height: 400px; width: 100%; }
-.process-step { position: relative; flex: 1; background: #121214; border: 1px solid rgba(255,255,255,0.1); border-radius: 1.5rem; overflow: hidden; transition: all 0.5s cubic-bezier(0.25, 1, 0.5, 1); cursor: default; display: flex; flex-direction: column; justify-content: flex-end; padding: 2rem; }
-.process-step:hover { flex: 3; background: #1a1a1c; border-color: rgba(212, 179, 131, 0.4); }
+.process-step { position: relative; flex: 1; background: rgb(var(--art-process-bg)); border: 1px solid var(--art-process-border); border-radius: 1.5rem; overflow: hidden; transition: all 0.5s cubic-bezier(0.25, 1, 0.5, 1); cursor: default; display: flex; flex-direction: column; justify-content: flex-end; padding: 2rem; }
+.process-step:hover { flex: 3; background: rgb(var(--art-process-hover)); border-color: rgba(212, 179, 131, 0.4); }
 .process-step::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.8) 100%); z-index: 1; }
 .step-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.3; transition: opacity 0.5s, transform 0.5s; z-index: 0; filter: grayscale(100%); }
 .process-step:hover .step-bg { opacity: 0.6; transform: scale(1.05); filter: grayscale(0%); }
 .step-content { position: relative; z-index: 10; transform: translateY(0); transition: transform 0.5s; }
-.step-number { font-family: 'Playfair Display', serif; font-size: 4rem; color: rgba(255,255,255,0.1); line-height: 1; margin-bottom: 1rem; transition: color 0.3s; }
-.process-step:hover .step-number { color: #d4b383; }
-.step-desc { max-height: 0; opacity: 0; overflow: hidden; transition: all 0.5s ease; color: #888888; font-size: 0.9rem; line-height: 1.6; }
+.step-number { font-family: 'Playfair Display', serif; font-size: 4rem; color: var(--art-step-number); line-height: 1; margin-bottom: 1rem; transition: color 0.3s; }
+.process-step:hover .step-number { color: rgb(var(--art-accent)); }
+.step-desc { max-height: 0; opacity: 0; overflow: hidden; transition: all 0.5s ease; color: rgba(255,255,255,0.75); font-size: 0.9rem; line-height: 1.6; }
 .process-step:hover .step-desc { max-height: 100px; opacity: 1; margin-top: 1rem; }
 @media (max-width: 768px) { .process-accordion { flex-direction: column; height: auto; } .process-step { height: 120px; } .process-step:hover { flex: none; height: 200px; } }
 
 /* Tech Stack Grid */
-.tech-category-title { font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; letter-spacing: 0.1em; color: #d4b383; text-transform: uppercase; margin-bottom: 0.75rem; padding-bottom: 0.25rem; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
+.tech-category-title { font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; letter-spacing: 0.1em; color: rgb(var(--art-accent)); text-transform: uppercase; margin-bottom: 0.75rem; padding-bottom: 0.25rem; border-bottom: 1px solid var(--art-border); }
 .tech-grid { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }
-.tech-item { background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.08); padding: 0.35rem 0.75rem; font-family: 'Inter', sans-serif; font-size: 0.8rem; color: #a1a1aa; transition: all 0.2s; cursor: default; }
-.tech-item:hover { border-color: #d4b383; color: white; background: rgba(212, 179, 131, 0.1); }
+.tech-item { background: var(--art-tech-item-bg); border: 1px solid var(--art-tech-item-border); padding: 0.35rem 0.75rem; font-family: 'Inter', sans-serif; font-size: 0.8rem; color: rgb(var(--art-tech-item-text)); transition: all 0.2s; cursor: default; }
+.tech-item:hover { border-color: rgb(var(--art-accent)); color: rgb(var(--art-text)); background: rgba(212, 179, 131, 0.1); }
 
 /* Danmaku Styles */
-.danmaku-item { background: rgba(255, 255, 255, 0.05); backdrop-filter: blur(8px); border: 1px solid rgba(255, 255, 255, 0.1); padding: 0.75rem 1.25rem; border-radius: 9999px; display: inline-flex; align-items: center; gap: 0.75rem; white-space: nowrap; color: #d4d4d8; font-size: 0.875rem; transition: all 0.3s; }
-.danmaku-item:hover { background: rgba(255, 255, 255, 0.1); border-color: #d4b383; transform: scale(1.05); color: white; z-index: 10; }
+.danmaku-item { background: var(--art-danmaku-bg); backdrop-filter: blur(8px); border: 1px solid var(--art-danmaku-border); padding: 0.75rem 1.25rem; border-radius: 9999px; display: inline-flex; align-items: center; gap: 0.75rem; white-space: nowrap; color: rgb(var(--art-danmaku-text)); font-size: 0.875rem; transition: all 0.3s; }
+.danmaku-item:hover { background: rgba(212, 179, 131, 0.1); border-color: rgb(var(--art-accent)); transform: scale(1.05); color: rgb(var(--art-text)); z-index: 10; }
 .danmaku-row { display: flex; gap: 2rem; width: max-content; }
 .partner-logo { filter: grayscale(100%) opacity(0.5); transition: all 0.4s ease; }
 .partner-logo:hover { filter: grayscale(0%) opacity(1); transform: scale(1.1); }
@@ -161,14 +254,40 @@
 /* Base Styles */
 body {
   font-family: 'Inter', 'Noto Sans SC', sans-serif;
-  background-color: #050505;
-  color: #ececec;
+  background-color: rgb(var(--art-bg));
+  color: rgb(var(--art-text));
   overflow-x: hidden;
 }
 
+/* Light paper atmosphere — fixed corner gold washes */
+.light-atmosphere {
+  display: none;
+  position: fixed;
+  inset: 0;
+  pointer-events: none;
+  z-index: 0;
+  background:
+    radial-gradient(ellipse 55% 45% at 8% 12%, var(--art-aurora-1), transparent 70%),
+    radial-gradient(ellipse 50% 40% at 92% 18%, var(--art-aurora-2), transparent 65%),
+    radial-gradient(ellipse 45% 35% at 70% 88%, rgba(212, 179, 131, 0.1), transparent 70%);
+}
+
+html:not(.dark) .light-atmosphere {
+  display: block;
+}
+
+.site-noise {
+  opacity: var(--art-noise-opacity);
+  mix-blend-mode: var(--art-noise-blend);
+}
+
+.ambient-bg-canvas {
+  display: block;
+}
+
 /* Selection */
 ::selection {
-  background-color: #d4b383;
+  background-color: rgb(var(--art-accent));
   color: black;
 }
 
@@ -176,3 +295,14 @@ body {
 html {
   scroll-behavior: smooth;
 }
+
+@media (prefers-reduced-motion: reduce) {
+  .art-card:hover {
+    transform: none;
+  }
+  .animate-marquee,
+  .animate-marquee-reverse,
+  .animate-pulse-slow {
+    animation: none !important;
+  }
+}
diff --git a/client/tailwind.config.js b/client/tailwind.config.js
index 2c476e3..15b5077 100644
--- a/client/tailwind.config.js
+++ b/client/tailwind.config.js
@@ -14,16 +14,16 @@ export default {
       },
       colors: {
         art: {
-          bg: '#050505',
-          surface: '#121214',
-          border: 'rgba(255,255,255,0.08)',
-          text: '#ececec',
-          muted: '#888888',
-          accent: '#d4b383',
-          error: '#ef4444',
-          'admin-bg': '#0a0a0a',
-          'admin-card': '#121214',
-          'admin-hover': '#1a1a1c',
+          bg: 'rgb(var(--art-bg) / <alpha-value>)',
+          surface: 'rgb(var(--art-surface) / <alpha-value>)',
+          border: 'var(--art-border)',
+          text: 'rgb(var(--art-text) / <alpha-value>)',
+          muted: 'rgb(var(--art-muted) / <alpha-value>)',
+          accent: 'rgb(var(--art-accent) / <alpha-value>)',
+          error: 'rgb(var(--art-error) / <alpha-value>)',
+          'admin-bg': 'rgb(var(--art-admin-bg) / <alpha-value>)',
+          'admin-card': 'rgb(var(--art-admin-card) / <alpha-value>)',
+          'admin-hover': 'rgb(var(--art-admin-hover) / <alpha-value>)',
         }
       },
       backgroundImage: {
@@ -74,4 +74,4 @@ export default {
     },
   },
   plugins: [],
-}
\ No newline at end of file
+}
