diff --git a/frontend/src/components/AnnouncementModal.vue b/frontend/src/components/AnnouncementModal.vue
index f1f95d2..b8e0f95 100644
--- a/frontend/src/components/AnnouncementModal.vue
+++ b/frontend/src/components/AnnouncementModal.vue
@@ -17,7 +17,7 @@ const html = computed(() => marked.parse(announcement.content.trim() || '暂无
         <div class="px-6 py-4 border-b border-b-[color:var(--ink-soft)] flex items-center justify-between gap-3 shrink-0">
           <div class="flex items-center gap-2">
             <span class="w-7 h-7 rounded-lg text-white grid place-items-center"
-                  style="background: linear-gradient(135deg, #7c5cfc, #22d3ee); box-shadow: 0 4px 12px var(--accent-glow)">
+                  style="background: linear-gradient(135deg, #18181b, #52525b); box-shadow: 0 4px 12px var(--accent-glow)">
               <Icon name="spark" class="w-4 h-4" />
             </span>
             <h2 class="text-base font-extrabold">公告</h2>
@@ -30,7 +30,7 @@ const html = computed(() => marked.parse(announcement.content.trim() || '暂无
         <div class="px-6 py-4 border-t border-t-[color:var(--ink-soft)] flex justify-end shrink-0">
           <button @click="dismissAnnouncement"
                   class="rounded-lg text-white border border-white/20 px-5 py-2 text-sm font-extrabold hover:-translate-y-0.5 active:translate-y-0.5 transition-all"
-                  style="background: linear-gradient(120deg, #7c5cfc, #22d3ee); box-shadow: 0 8px 20px var(--accent-glow)">
+                  style="background: linear-gradient(120deg, #18181b, #52525b); box-shadow: 0 8px 20px var(--accent-glow)">
             我知道了
           </button>
         </div>
@@ -55,7 +55,7 @@ const html = computed(() => marked.parse(announcement.content.trim() || '暂无
 .ann-body :deep(li) { margin: 0.2em 0; }
 .ann-body :deep(a) { color: var(--m-orange); text-decoration: underline; }
 .ann-body :deep(strong) { font-weight: 700; color: var(--fg); }
-.ann-body :deep(code) { background: rgb(124 92 252 / 0.12); padding: 0.1em 0.35em; border-radius: 0.3rem; font-size: 0.85em; }
+.ann-body :deep(code) { background: rgb(24 24 27 / 0.12); padding: 0.1em 0.35em; border-radius: 0.3rem; font-size: 0.85em; }
 .ann-body :deep(pre) { background: #111; color: #f5f5f5; padding: 0.8em; border-radius: 0.5rem; overflow-x: auto; margin: 0.6em 0; }
 .ann-body :deep(pre code) { background: none; padding: 0; }
 .ann-body :deep(blockquote) { border-left: 3px solid var(--m-orange); padding-left: 0.9em; color: var(--fg-3); margin: 0.6em 0; }
diff --git a/frontend/src/components/LoginModal.vue b/frontend/src/components/LoginModal.vue
index 5e973e4..e0399e6 100644
--- a/frontend/src/components/LoginModal.vue
+++ b/frontend/src/components/LoginModal.vue
@@ -161,12 +161,9 @@ async function submit() {
 <template>
   <transition name="modal">
     <div v-if="auth.loginOpen" class="fixed inset-0 z-50 grid place-items-center px-4">
-      <div class="absolute inset-0 bg-black/70 backdrop-blur-md" @click="closeLogin"></div>
+      <div class="absolute inset-0 bg-black/40 backdrop-blur-sm" @click="closeLogin"></div>
 
       <div class="card relative z-10 w-full max-w-[26rem]">
-        <!-- ambient aurora washes -->
-        <div class="pointer-events-none absolute -top-24 -right-16 h-56 w-56 rounded-full bg-[#8b5cf6]/30 blur-3xl"></div>
-        <div class="pointer-events-none absolute -bottom-24 -left-16 h-56 w-56 rounded-full bg-[#22d3ee]/25 blur-3xl"></div>
 
         <div class="relative p-7">
           <button class="absolute top-4 right-4 grid h-7 w-7 place-items-center rounded-lg text-[color:var(--fg-3)] hover:text-[color:var(--fg)] hover:bg-[var(--hover)] transition-colors"
@@ -263,11 +260,9 @@ async function submit() {
 <style scoped>
 .card {
   border-radius: 1.2rem;
-  background: var(--menu-bg);
-  -webkit-backdrop-filter: blur(20px);
-  backdrop-filter: blur(20px);
+  background: #ffffff;
   color: var(--fg);
-  border: 1px solid var(--glass-border);
+  border: 1px solid rgb(24 24 27 / 0.08);
   box-shadow: var(--glass-shadow-lg);
   overflow: hidden;
 }
@@ -277,7 +272,7 @@ html.dark .card {
 
 .logo-halo {
   position: relative;
-  filter: drop-shadow(0 6px 14px rgb(124 92 252 / 0.4));
+  filter: drop-shadow(0 6px 14px rgb(24 24 27 / 0.4));
 }
 
 /* segmented tab control */
@@ -296,7 +291,7 @@ html.dark .card {
 .tab:hover { color: var(--fg); }
 .tab-on {
   color: #fff;
-  background: linear-gradient(120deg, #7c5cfc, #5f6cf8);
+  background: linear-gradient(120deg, #18181b, #27272a);
   border-color: transparent;
   box-shadow: 0 4px 14px var(--accent-glow);
 }
@@ -317,8 +312,8 @@ html.dark .card {
 }
 html.dark .fld { background: rgb(255 255 255 / 0.05); }
 .fld:focus {
-  border-color: rgb(124 92 252 / 0.65);
-  box-shadow: 0 0 0 3px rgb(124 92 252 / 0.18);
+  border-color: rgb(24 24 27 / 0.65);
+  box-shadow: 0 0 0 3px rgb(24 24 27 / 0.18);
 }
 .fld::placeholder { color: var(--fg-faint); }
 /* Keep autofill on-theme in dark (otherwise it paints white/yellow). */
@@ -345,11 +340,11 @@ html.dark .fld:-webkit-autofill:focus {
   display: inline-flex; align-items: center; justify-content: center;
   font-size: 0.75rem; font-weight: 800; white-space: nowrap;
   color: var(--fg);
-  background: var(--hover); border: 1px solid rgb(124 92 252 / 0.4);
-  box-shadow: 0 2px 10px rgb(124 92 252 / 0.14);
+  background: var(--hover); border: 1px solid rgb(24 24 27 / 0.4);
+  box-shadow: 0 2px 10px rgb(24 24 27 / 0.14);
   transition: background 0.15s, box-shadow 0.15s, transform 0.15s, opacity 0.15s;
 }
-.code-btn:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 4px 14px rgb(124 92 252 / 0.22); }
+.code-btn:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 4px 14px rgb(24 24 27 / 0.22); }
 .code-btn:active:not(:disabled) { transform: scale(0.96) translateY(1px); box-shadow: none; }
 /* Disabled (sending / countdown): just dim — keep the theme text color so it
    never washes out to invisible white on the light card. */
@@ -361,7 +356,7 @@ html.dark .fld:-webkit-autofill:focus {
   display: flex; align-items: center; justify-content: center; gap: 0.5rem;
   padding: 0.72rem 0; border-radius: 0.65rem; font-size: 0.9rem; font-weight: 800;
   letter-spacing: 0.02em; color: white; margin-top: 0.35rem;
-  background: linear-gradient(120deg, #7c5cfc, #5f6cf8 55%, #22d3ee 140%);
+  background: linear-gradient(120deg, #18181b, #27272a 55%, #52525b 140%);
   border: 1px solid rgb(255 255 255 / 0.16);
   box-shadow: 0 8px 22px var(--accent-glow);
   transition: transform 0.13s, box-shadow 0.13s, filter 0.15s;
diff --git a/frontend/src/components/PaymentModal.vue b/frontend/src/components/PaymentModal.vue
index 0a22aed..417a3ad 100644
--- a/frontend/src/components/PaymentModal.vue
+++ b/frontend/src/components/PaymentModal.vue
@@ -129,7 +129,7 @@ onUnmounted(clearTimers)
           <p class="text-sm text-[color:var(--fg-3)] mt-1">二维码已失效,订单已取消</p>
           <p class="text-xs text-[color:var(--fg-faint)] mt-1">如需充值请重新下单</p>
           <button @click="finish" class="mt-5 rounded-lg text-white border border-white/20 px-5 py-2 text-sm font-extrabold hover:-translate-y-0.5 active:translate-y-0.5 transition-all"
-                  style="background: linear-gradient(120deg, #7c5cfc, #22d3ee); box-shadow: 0 8px 20px var(--accent-glow)">关闭</button>
+                  style="background: linear-gradient(120deg, #18181b, #52525b); box-shadow: 0 8px 20px var(--accent-glow)">关闭</button>
         </div>
 
         <!-- pending -->
@@ -147,7 +147,7 @@ onUnmounted(clearTimers)
           <!-- jump (no qrcode): the cashier opened in a new tab — just monitor -->
           <template v-else>
             <div class="flex flex-col items-center justify-center py-7 mb-2">
-              <div class="w-12 h-12 rounded-full border-[3px] border-[rgb(124_92_252/0.2)] border-t-[#7c5cfc] animate-spin mb-3"></div>
+              <div class="w-12 h-12 rounded-full border-[3px] border-[rgb(124_92_252/0.2)] border-t-[#18181b] animate-spin mb-3"></div>
               <p class="text-sm font-medium text-[color:var(--fg)]">支付监控中…</p>
               <p class="text-xs text-[color:var(--fg-faint)] mt-1">已打开支付页面,完成后自动到账</p>
             </div>
diff --git a/frontend/src/components/canvas/CanvasNodeView.vue b/frontend/src/components/canvas/CanvasNodeView.vue
index 0cc8201..26ee0d4 100644
--- a/frontend/src/components/canvas/CanvasNodeView.vue
+++ b/frontend/src/components/canvas/CanvasNodeView.vue
@@ -240,8 +240,8 @@ defineExpose({ startEdit, commitNote })
   overflow: hidden;
 }
 .cv-node.is-selected {
-  border-color: rgb(124 92 252 / 0.7);
-  box-shadow: var(--glass-shadow-lg), 0 0 0 3px rgb(124 92 252 / 0.25), 0 10px 30px var(--accent-glow);
+  border-color: rgb(24 24 27 / 0.7);
+  box-shadow: var(--glass-shadow-lg), 0 0 0 3px rgb(24 24 27 / 0.25), 0 10px 30px var(--accent-glow);
 }
 .cv-node:active {
   cursor: grabbing;
@@ -337,8 +337,8 @@ html.dark .cv-node--note {
   justify-content: center;
   gap: 10px;
   background:
-    radial-gradient(130% 130% at 15% 0%, rgb(124 92 252 / 0.14), transparent 55%),
-    radial-gradient(130% 130% at 85% 100%, rgb(34 211 238 / 0.12), transparent 55%),
+    radial-gradient(130% 130% at 15% 0%, rgb(24 24 27 / 0.14), transparent 55%),
+    radial-gradient(130% 130% at 85% 100%, rgb(24 24 27 / 0.12), transparent 55%),
     var(--surface);
 }
 .cv-node__gen::after {
@@ -371,7 +371,7 @@ html.dark .cv-node--note {
   width: 34px;
   height: 34px;
   border-radius: 50%;
-  border: 3px solid rgb(124 92 252 / 0.2);
+  border: 3px solid rgb(24 24 27 / 0.2);
   border-top-color: var(--m-orange);
   border-right-color: var(--m-orange-2);
   animation: cv-spin 0.9s linear infinite;
@@ -417,7 +417,7 @@ html.dark .cv-node--note {
 }
 .cv-port:hover::after, .cv-port:focus-visible::after, .cv-port.is-active::after {
   transform: scale(1.3);
-  box-shadow: 0 0 0 4px rgb(124 92 252 / 0.25), 0 2px 10px var(--accent-glow);
+  box-shadow: 0 0 0 4px rgb(24 24 27 / 0.25), 0 2px 10px var(--accent-glow);
 }
 .cv-port.is-active::after { background: var(--m-orange); }
 .cv-port:focus-visible { outline: 2px solid var(--m-orange); outline-offset: -2px; border-radius: 50%; }
diff --git a/frontend/src/components/canvas/CanvasStage.vue b/frontend/src/components/canvas/CanvasStage.vue
index 805ad81..3099979 100644
--- a/frontend/src/components/canvas/CanvasStage.vue
+++ b/frontend/src/components/canvas/CanvasStage.vue
@@ -811,7 +811,7 @@ defineExpose({
   stroke: rgb(95 108 248 / 0.85);
   stroke-width: 2.4;
   stroke-dasharray: 10 6;
-  filter: drop-shadow(0 0 5px rgb(124 92 252 / 0.3));
+  filter: drop-shadow(0 0 5px rgb(24 24 27 / 0.3));
 }
 .cv-edge--hot {
   stroke: var(--m-orange);
@@ -843,8 +843,8 @@ defineExpose({
 }
 .cv-marquee {
   position: absolute;
-  border: 2px dashed rgb(124 92 252 / 0.5);
-  background: rgb(124 92 252 / 0.08);
+  border: 2px dashed rgb(24 24 27 / 0.5);
+  background: rgb(24 24 27 / 0.08);
   pointer-events: none;
   border-radius: 4px;
 }
diff --git a/frontend/src/layouts/AdminLayout.vue b/frontend/src/layouts/AdminLayout.vue
index b58d61e..54aa831 100644
--- a/frontend/src/layouts/AdminLayout.vue
+++ b/frontend/src/layouts/AdminLayout.vue
@@ -4,7 +4,6 @@ import { useRoute } from 'vue-router'
 import Icon from '../components/Icon.vue'
 import Logo from '../components/Logo.vue'
 import { site } from '../site'
-import { isDark, toggleTheme } from '../theme'
 
 const route = useRoute()
 
@@ -90,12 +89,6 @@ watch(() => route.path, () => {
       </nav>
 
       <div class="p-3 border-t border-t-[color:var(--ink-soft)] space-y-1">
-        <button type="button" @click="toggleTheme"
-                class="w-full flex items-center gap-2.5 rounded-lg px-3 py-2 text-xs text-[color:var(--fg-2)] hover:bg-[var(--hover)] hover:text-[color:var(--fg)] transition-colors">
-          <svg v-if="isDark" class="w-3.5 h-3.5" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="4"/><path d="M12 2v2M12 20v2M4.9 4.9l1.4 1.4M17.7 17.7l1.4 1.4M2 12h2M20 12h2M4.9 19.1l1.4-1.4M17.7 6.3l1.4-1.4"/></svg>
-          <svg v-else class="w-3.5 h-3.5" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 12.8A9 9 0 1 1 11.2 3a7 7 0 0 0 9.8 9.8z"/></svg>
-          {{ isDark ? '亮色模式' : '暗色模式' }}
-        </button>
         <router-link to="/user"
                      class="flex items-center gap-2.5 rounded-lg px-3 py-2 text-xs text-[color:var(--fg-2)] hover:bg-[var(--hover)] hover:text-[color:var(--fg)] transition-colors">
           <Icon name="spark" class="w-3.5 h-3.5" /> 用户端
@@ -106,16 +99,6 @@ watch(() => route.path, () => {
 
     <!-- ===== Main ===== -->
     <div class="flex-1 min-w-0 flex flex-col relative">
-      <!-- aurora backdrop: drifting gradient orbs + faint grain -->
-      <div aria-hidden="true" class="pointer-events-none absolute inset-0 overflow-hidden">
-        <div class="memphis-dots absolute inset-0 opacity-40"></div>
-        <div class="absolute -top-40 left-1/4 w-[40rem] h-[40rem] rounded-full opacity-[0.45]"
-             style="background: radial-gradient(circle, rgb(139 92 246 / 0.3), transparent 60%); filter: blur(110px)"></div>
-        <div class="absolute top-1/2 -right-48 w-[36rem] h-[36rem] rounded-full opacity-[0.4]"
-             style="background: radial-gradient(circle, rgb(34 211 238 / 0.24), transparent 60%); filter: blur(110px)"></div>
-        <div class="absolute bottom-0 -left-24 w-[32rem] h-[32rem] rounded-full opacity-[0.35]"
-             style="background: radial-gradient(circle, rgb(232 121 249 / 0.2), transparent 60%); filter: blur(110px)"></div>
-      </div>
 
       <header class="relative z-10 h-14 shrink-0 border-b border-b-[color:var(--ink-soft)] bg-[var(--app-bg)]/60 backdrop-blur-xl flex items-center px-8">
         <div class="admin-badge text-[10px] uppercase tracking-[0.25em] font-extrabold mr-3 px-2.5 py-1 rounded-lg text-white select-none">Admin</div>
@@ -123,7 +106,7 @@ watch(() => route.path, () => {
         <h1 class="text-sm font-semibold tracking-tight text-[color:var(--fg)]">{{ currentLabel }}</h1>
       </header>
 
-      <main :class="['theme-text flex-1 overflow-y-auto overscroll-y-none relative z-10', { 'public-dark': isDark }]">
+      <main :class="['theme-text flex-1 overflow-y-auto overscroll-y-none relative z-10']">
         <div class="px-8 py-7">
           <router-view v-slot="{ Component }">
             <transition name="fade" mode="out-in">
@@ -138,13 +121,13 @@ watch(() => route.path, () => {
 
 <style scoped>
 .admin-tag {
-  background: linear-gradient(120deg, #7c5cfc, #22d3ee);
+  background: linear-gradient(120deg, #18181b, #52525b);
   -webkit-background-clip: text;
   background-clip: text;
   color: transparent;
 }
 .admin-badge {
-  background: linear-gradient(120deg, #7c5cfc, #5f6cf8 60%, #22d3ee 140%);
+  background: linear-gradient(120deg, #18181b, #27272a 60%, #52525b 140%);
   box-shadow: 0 4px 14px var(--accent-glow);
 }
 .admin-link {
@@ -159,10 +142,10 @@ watch(() => route.path, () => {
   font-weight: 600;
   transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
 }
-.admin-link:hover { background: var(--hover); color: var(--fg); border-color: rgb(124 92 252 / 0.3); }
+.admin-link:hover { background: var(--hover); color: var(--fg); border-color: rgb(24 24 27 / 0.3); }
 .admin-link.active {
   color: #fff;
-  background: linear-gradient(120deg, #7c5cfc, #5f6cf8);
+  background: linear-gradient(120deg, #18181b, #27272a);
   border-color: transparent;
   box-shadow: 0 4px 14px var(--accent-glow);
 }
@@ -178,8 +161,8 @@ watch(() => route.path, () => {
   font-weight: 600;
   transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
 }
-.admin-sublink:hover { background: var(--hover); color: var(--fg); border-color: rgb(124 92 252 / 0.3); }
-.admin-sublink.active { color: var(--m-orange); background: var(--hover); border-color: rgb(124 92 252 / 0.35); font-weight: 700; }
+.admin-sublink:hover { background: var(--hover); color: var(--fg); border-color: rgb(24 24 27 / 0.3); }
+.admin-sublink.active { color: var(--m-orange); background: var(--hover); border-color: rgb(24 24 27 / 0.35); font-weight: 700; }
 
 .fade-enter-active, .fade-leave-active { transition: opacity 0.15s ease, transform 0.15s ease; }
 .fade-enter-from { opacity: 0; transform: translateY(4px); }
diff --git a/frontend/src/layouts/PublicLayout.vue b/frontend/src/layouts/PublicLayout.vue
index c8b9059..0f420b6 100644
--- a/frontend/src/layouts/PublicLayout.vue
+++ b/frontend/src/layouts/PublicLayout.vue
@@ -2,7 +2,6 @@
 import { computed, ref, watch, onMounted, onUnmounted } from 'vue'
 import { useRoute } from 'vue-router'
 import { auth, isAuthed, isAdmin, openLogin, openRegister, logout } from '../auth'
-import { isDark, toggleTheme } from '../theme'
 import { site } from '../site'
 import Icon from '../components/Icon.vue'
 import Logo from '../components/Logo.vue'
@@ -77,7 +76,7 @@ async function onLogout() {
 
 <template>
   <div class="theme-x min-h-screen bg-[var(--app-bg)] text-[color:var(--fg-2)] selection:bg-orange-400/30"
-       :class="{ 'home-bg': isHome && !isDark }">
+       :class="{ 'home-bg': isHome }">
     <!-- ===== Top bar：悬浮胶囊，滚动展开为通栏 ===== -->
     <header class="top-nav fixed top-0 inset-x-0 z-40" :class="{ scrolled }">
       <div class="nav-inner mx-auto flex items-center gap-3">
@@ -105,13 +104,6 @@ async function onLogout() {
           余额 <span class="text-[color:var(--fg)] font-semibold">{{ creditsLabel }}</span>
         </router-link>
 
-        <!-- theme（登录后可见，游客态与 vivid 一致只留登录入口） -->
-        <button v-if="isAuthed()" type="button" @click="toggleTheme" class="round-btn"
-                :title="isDark ? '切换到亮色' : '切换到暗色'">
-          <svg v-if="isDark" class="w-4 h-4" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="4"/><path d="M12 2v2M12 20v2M4.9 4.9l1.4 1.4M17.7 17.7l1.4 1.4M2 12h2M20 12h2M4.9 19.1l1.4-1.4M17.7 6.3l1.4-1.4"/></svg>
-          <svg v-else class="w-4 h-4" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 12.8A9 9 0 1 1 11.2 3a7 7 0 0 0 9.8 9.8z"/></svg>
-        </button>
-
         <!-- 公告 -->
         <button v-if="isAuthed() && announcement.content.trim()" type="button"
                 @click="openAnnouncement" class="round-btn" title="公告">
@@ -171,17 +163,6 @@ async function onLogout() {
 
     <!-- ===== Main column ===== -->
     <div class="relative">
-      <!-- aurora backdrop: drifting gradient orbs + faint grain (首页用平铺浅色底，不渲染) -->
-      <div v-if="!isHome" aria-hidden="true" class="pointer-events-none absolute inset-0 overflow-hidden">
-        <div class="memphis-dots absolute inset-0 opacity-50"></div>
-        <div class="absolute -top-40 left-1/4 w-[42rem] h-[42rem] rounded-full opacity-[0.5]"
-             style="background: radial-gradient(circle, rgb(139 92 246 / 0.35), transparent 60%); filter: blur(100px)"></div>
-        <div class="absolute top-1/3 -right-48 w-[38rem] h-[38rem] rounded-full opacity-[0.45]"
-             style="background: radial-gradient(circle, rgb(34 211 238 / 0.3), transparent 60%); filter: blur(100px)"></div>
-        <div class="absolute bottom-0 -left-24 w-[34rem] h-[34rem] rounded-full opacity-[0.4]"
-             style="background: radial-gradient(circle, rgb(232 121 249 / 0.28), transparent 60%); filter: blur(100px)"></div>
-        <div class="anime-stars"></div>
-      </div>
 
       <!-- Route label header — the home page brings its own hero instead. -->
       <header v-if="!isHome" class="relative z-10 mx-auto max-w-[1400px] px-4 md:px-8 pt-[104px] pb-4">
@@ -189,8 +170,7 @@ async function onLogout() {
       </header>
 
       <main :class="['relative z-10 mx-auto max-w-[1400px] pb-24',
-                     isHome ? 'pt-0 px-0' : 'px-4 md:px-8 pt-2',
-                     { 'public-dark': isDark }]">
+                     isHome ? 'pt-0 px-0' : 'px-4 md:px-8 pt-2',]">
         <router-view v-slot="{ Component, route: viewRoute }">
           <component :is="Component" v-if="viewRoute.path === '/canvas'" />
           <transition v-else name="fade" mode="out-in">
@@ -264,7 +244,7 @@ html.dark .nav-inner { box-shadow: 0 8px 30px -14px rgb(0 0 0 / 0.5); }
 .top-link.on {
   color: var(--m-orange);
   font-weight: 700;
-  background: rgb(124 92 252 / 0.12);
+  background: rgb(24 24 27 / 0.12);
 }
 
 .brand-spark {
@@ -291,11 +271,11 @@ html.dark .nav-inner { box-shadow: 0 8px 30px -14px rgb(0 0 0 / 0.5); }
   cursor: pointer;
   transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
 }
-.m-link:hover { color: var(--fg); background: var(--hover); border-color: rgb(124 92 252 / 0.3); }
+.m-link:hover { color: var(--fg); background: var(--hover); border-color: rgb(24 24 27 / 0.3); }
 .m-link.m-on {
   color: #fff;
   font-weight: 700;
-  background: linear-gradient(120deg, #7c5cfc, #5f6cf8);
+  background: linear-gradient(120deg, #18181b, #27272a);
   border-color: transparent;
   box-shadow: 0 4px 14px var(--accent-glow);
 }
@@ -313,7 +293,7 @@ html.dark .nav-inner { box-shadow: 0 8px 30px -14px rgb(0 0 0 / 0.5); }
   border: 1px solid var(--ink-soft);
   transition: color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease, border-color 0.15s ease;
 }
-.round-btn:hover { color: var(--fg); background: var(--hover); border-color: rgb(124 92 252 / 0.4); box-shadow: 0 4px 14px rgb(124 92 252 / 0.16); transform: translateY(-1px); }
+.round-btn:hover { color: var(--fg); background: var(--hover); border-color: rgb(24 24 27 / 0.4); box-shadow: 0 4px 14px rgb(24 24 27 / 0.16); transform: translateY(-1px); }
 /* 首页整页淡紫渐变底（铺满整个页面高度） */
 .home-bg {
   background: #fafaf8 !important;
@@ -343,7 +323,7 @@ html.dark .nav-inner { box-shadow: 0 8px 30px -14px rgb(0 0 0 / 0.5); }
   font-size: 13.5px;
   font-weight: 800;
   color: #fff;
-  background: linear-gradient(120deg, #7c5cfc, #5f6cf8 55%, #22d3ee 140%);
+  background: linear-gradient(120deg, #18181b, #27272a 55%, #52525b 140%);
   border: 1px solid rgb(255 255 255 / 0.16);
   cursor: pointer;
   box-shadow: 0 6px 18px var(--accent-glow);
@@ -372,8 +352,8 @@ html.dark .nav-inner { box-shadow: 0 8px 30px -14px rgb(0 0 0 / 0.5); }
 }
 .name-btn:hover {
   background: var(--hover);
-  border-color: rgb(124 92 252 / 0.4);
-  box-shadow: 0 4px 14px rgb(124 92 252 / 0.16);
+  border-color: rgb(24 24 27 / 0.4);
+  box-shadow: 0 4px 14px rgb(24 24 27 / 0.16);
   transform: translateY(-1px);
 }
 .name-txt {
diff --git a/frontend/src/style.css b/frontend/src/style.css
index 822536d..ec311df 100644
--- a/frontend/src/style.css
+++ b/frontend/src/style.css
@@ -9,34 +9,34 @@ video {
 
 :root {
   font-family: "Inter", ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
-  --tw-ring-color: rgb(124 92 252 / 0.25);
+  --tw-ring-color: rgb(24 24 27 / 0.25);
 
   /* ===== Theme palette — LIGHT (default): frosted glass / aurora =====
      Drives the app chrome (rails/header) and the public marketing pages.
      The `.dark` class on <html> flips these to the dark values below.
      Text over generated images keeps a literal text-white (handled in markup). */
-  --app-bg: #eef0f8;                    /* cool porcelain */
+  --app-bg: #fafaf8;                    /* warm paper */
   --fg: #181524;                        /* primary heading/text */
   --fg-2: rgb(24 21 36 / 0.66);         /* body / secondary */
   --fg-3: rgb(24 21 36 / 0.48);         /* muted */
   --fg-faint: rgb(24 21 36 / 0.36);     /* labels / hints */
-  --surface: rgb(255 255 255 / 0.66);   /* frosted card on page bg */
+  --surface: rgb(255 255 255 / 0.9);   /* frosted card on page bg */
   --surface-solid: #ffffff;             /* opaque version where blur is unwanted */
   --surface-2: rgb(24 21 36 / 0.045);   /* subtle inset panel (counter cells) */
   --hairline: rgb(24 21 36 / 0.1);      /* faint borders / separators */
-  --hover: rgb(124 92 252 / 0.1);       /* hover wash — violet tint */
+  --hover: rgb(24 24 27 / 0.06);       /* hover wash — violet tint */
   /* ink = the hairline edge color; shadow-ink = the soft shadow tint.
      Kept under their legacy names so existing markup keeps working — only the
      values changed from memphis-solid to glass-subtle. */
   --ink: rgb(24 21 36 / 0.14);
   --ink-soft: rgb(24 21 36 / 0.09);
-  --shadow-ink: rgb(88 80 200 / 0.14);
+  --shadow-ink: rgb(24 24 27 / 0.12);
   /* aurora accent crayons — primary violet + soft pastel companions */
-  --m-orange: #7c5cfc;
-  --m-orange-2: #22d3ee;
-  --m-yellow: #ece7fe;
-  --m-pink: #fad9f0;
-  --m-blue: #d8eefb;
+  --m-orange: #18181b;
+  --m-orange-2: #52525b;
+  --m-yellow: #f4f4f5;
+  --m-pink: #f4f4f5;
+  --m-blue: #f4f4f5;
   --m-mint: #d9f4e8;
   /* solid CTA button that sits on the page bg — inverts per theme */
   --btn-solid-bg: #181524;
@@ -45,9 +45,9 @@ video {
   --menu-bg: rgb(255 255 255 / 0.82);   /* dropdown / popover panel */
   /* shared glass treatments */
   --glass-border: rgb(255 255 255 / 0.55);
-  --glass-shadow: 0 8px 28px rgb(80 74 190 / 0.1), 0 2px 8px rgb(24 21 36 / 0.05);
-  --glass-shadow-lg: 0 16px 44px rgb(80 74 190 / 0.16), 0 4px 12px rgb(24 21 36 / 0.06);
-  --accent-glow: rgb(124 92 252 / 0.35);
+  --glass-shadow: 0 8px 28px rgb(24 24 27 / 0.07), 0 2px 8px rgb(24 21 36 / 0.04);
+  --glass-shadow-lg: 0 16px 44px rgb(24 24 27 / 0.12), 0 4px 12px rgb(24 21 36 / 0.05);
+  --accent-glow: rgb(24 24 27 / 0.25);
 }
 
 html.dark {
@@ -60,24 +60,24 @@ html.dark {
   --surface-solid: #14131f;
   --surface-2: rgb(255 255 255 / 0.05);
   --hairline: rgb(255 255 255 / 0.1);
-  --hover: rgb(139 92 246 / 0.16);
+  --hover: rgb(24 24 27 / 0.16);
   --ink: rgb(255 255 255 / 0.14);
   --ink-soft: rgb(255 255 255 / 0.09);
   --shadow-ink: rgb(0 0 0 / 0.4);
-  --m-orange: #8b5cf6;
-  --m-orange-2: #22d3ee;
-  --m-yellow: #a78bfa;
+  --m-orange: #27272a;
+  --m-orange-2: #52525b;
+  --m-yellow: #71717a;
   --m-pink: #f0a6d8;
   --m-blue: #6cd0f2;
   --m-mint: #5fd9ac;
-  --btn-solid-bg: #8b5cf6;
-  --btn-solid-bg-h: #7c3aed;
+  --btn-solid-bg: #27272a;
+  --btn-solid-bg-h: #18181b;
   --btn-solid-fg: #fff;
   --menu-bg: rgb(24 23 36 / 0.86);
   --glass-border: rgb(255 255 255 / 0.12);
   --glass-shadow: 0 8px 28px rgb(0 0 0 / 0.35), 0 2px 8px rgb(0 0 0 / 0.2);
   --glass-shadow-lg: 0 18px 50px rgb(0 0 0 / 0.5), 0 4px 14px rgb(0 0 0 / 0.3);
-  --accent-glow: rgb(139 92 246 / 0.45);
+  --accent-glow: rgb(24 24 27 / 0.45);
 }
 
 /* Smooth the flip so toggling doesn't hard-cut. */
@@ -87,16 +87,16 @@ body, .theme-x { transition: background-color 0.25s ease, color 0.25s ease; }
 .cta-band {
   position: relative;
   background:
-    radial-gradient(120% 160% at 0% 0%, rgb(124 92 252 / 0.2), transparent 55%),
-    radial-gradient(120% 160% at 100% 100%, rgb(34 211 238 / 0.16), transparent 55%),
+    radial-gradient(120% 160% at 0% 0%, rgb(24 24 27 / 0.2), transparent 55%),
+    radial-gradient(120% 160% at 100% 100%, rgb(24 24 27 / 0.16), transparent 55%),
     var(--surface);
   border: 1px solid var(--glass-border);
   box-shadow: var(--glass-shadow-lg);
 }
 html.dark .cta-band {
   background:
-    radial-gradient(120% 160% at 0% 0%, rgb(139 92 246 / 0.22), transparent 55%),
-    radial-gradient(120% 160% at 100% 100%, rgb(34 211 238 / 0.14), transparent 55%),
+    radial-gradient(120% 160% at 0% 0%, rgb(24 24 27 / 0.22), transparent 55%),
+    radial-gradient(120% 160% at 100% 100%, rgb(24 24 27 / 0.14), transparent 55%),
     rgb(255 255 255 / 0.04);
 }
 
@@ -124,7 +124,7 @@ html:not(.dark) .theme-text :is([class*="bg-slate-900"], [class*="bg-slate-800"]
    shell and washes out on white. In LIGHT mode, darken to the -600 tone. The
    matcher also catches the /80 opacity variants. Badges keep their pale tinted
    bg (bg-*-500/10) which reads fine on white. */
-html:not(.dark) .theme-text :is([class*="text-sky-300"], [class*="text-sky-200"]) { color: rgb(79 70 229); }
+html:not(.dark) .theme-text :is([class*="text-sky-300"], [class*="text-sky-200"]) { color: rgb(24 24 27); }
 html:not(.dark) .theme-text :is([class*="text-orange-300"], [class*="text-orange-200"]) { color: rgb(124 58 237); }
 html:not(.dark) .theme-text :is([class*="text-rose-300"], [class*="text-rose-200"]) { color: rgb(225 29 72); }
 html:not(.dark) .theme-text :is([class*="text-emerald-300"], [class*="text-emerald-200"]) { color: rgb(5 150 105); }
@@ -144,7 +144,7 @@ html:not(.dark) .theme-text :is(.fp, .pg, .act, .filter-pill, .kind-btn, .preset
   color: var(--fg); background: var(--hover);
 }
 html:not(.dark) .theme-text :is(.fp-on, .pg-on, .seg-on, .opt-on) {
-  background: linear-gradient(120deg, #7c5cfc, #5f6cf8); color: #fff;
+  background: linear-gradient(120deg, #18181b, #27272a); color: #fff;
   box-shadow: 0 4px 16px var(--accent-glow);
 }
 /* Tag chips (TagInput) — near-white orange text is unreadable on white; keep
@@ -157,7 +157,7 @@ html:not(.dark) .theme-text .chip .chip-x:hover { color: #fff; background: rgb(2
    neutral `.filter-pill`/`.kind-btn` rescue paints selected == unselected and
    the highlight vanishes on a white page. Equal-or-higher specificity, later. */
 html:not(.dark) .theme-text :is(.filter-pill, .kind-btn).on {
-  background: linear-gradient(120deg, #7c5cfc, #5f6cf8); color: #fff;
+  background: linear-gradient(120deg, #18181b, #27272a); color: #fff;
   box-shadow: 0 4px 16px var(--accent-glow);
 }
 /* Selected COLORED filter pills — their scoped (dark) selected colors get
@@ -167,7 +167,7 @@ html:not(.dark) .theme-text :is(.filter-pill, .kind-btn).on {
 html:not(.dark) .theme-text .fp-emerald { background: rgb(16 185 129 / 0.14); color: rgb(4 120 87); box-shadow: inset 0 0 0 1px rgb(16 185 129 / 0.45); }
 html:not(.dark) .theme-text .fp-rose { background: rgb(244 63 94 / 0.12); color: rgb(190 18 60); box-shadow: inset 0 0 0 1px rgb(244 63 94 / 0.45); }
 html:not(.dark) .theme-text .fp-amber { background: rgb(245 158 11 / 0.16); color: rgb(180 83 9); box-shadow: inset 0 0 0 1px rgb(245 158 11 / 0.5); }
-html:not(.dark) .theme-text .fp-orange { background: rgb(139 92 246 / 0.14); color: rgb(109 40 217); box-shadow: inset 0 0 0 1px rgb(139 92 246 / 0.45); }
+html:not(.dark) .theme-text .fp-orange { background: rgb(24 24 27 / 0.14); color: rgb(24 24 27); box-shadow: inset 0 0 0 1px rgb(24 24 27 / 0.45); }
 html:not(.dark) .theme-text .fp-pink { background: rgb(244 114 182 / 0.14); color: rgb(190 24 93); box-shadow: inset 0 0 0 1px rgb(244 114 182 / 0.45); }
 html:not(.dark) .theme-text .fp-slate { background: rgb(100 116 139 / 0.14); color: rgb(51 65 85); box-shadow: inset 0 0 0 1px rgb(100 116 139 / 0.45); }
 html:not(.dark) .theme-text .fp-sky { background: rgb(14 165 233 / 0.14); color: rgb(3 105 161); box-shadow: inset 0 0 0 1px rgb(14 165 233 / 0.45); }
@@ -193,7 +193,7 @@ html:not(.dark) .theme-text .fp-teal { background: rgb(20 184 166 / 0.14); color
 .chk { border-color: var(--ink); }
 .chk:hover:not(:checked) { border-color: var(--m-orange); }
 .chk:checked {
-  background: linear-gradient(135deg, #7c5cfc, #22d3ee);
+  background: linear-gradient(135deg, #18181b, #52525b);
   border-color: transparent;
   box-shadow: 0 2px 10px var(--accent-glow);
 }
@@ -206,7 +206,7 @@ html:not(.dark) .theme-text .fp-teal { background: rgb(20 184 166 / 0.14); color
   transform: rotate(45deg);
   margin-top: -0.12rem;
 }
-.chk:focus-visible { outline: 2px solid rgb(124 92 252 / 0.5); outline-offset: 1px; }
+.chk:focus-visible { outline: 2px solid rgb(24 24 27 / 0.5); outline-offset: 1px; }
 /* Account identity tags (AccountsView: 子号 / 母号 / 普号 / 限额). The colors live
    here rather than as inline dark-palette utilities, which were invisible on the
    light theme: light values first, html.dark override after. */
@@ -222,11 +222,11 @@ html:not(.dark) .theme-text .fp-teal { background: rgb(20 184 166 / 0.14); color
   white-space: nowrap;
 }
 .acct-tag-sub { background: rgb(14 165 233 / 0.14); color: rgb(3 105 161); box-shadow: inset 0 0 0 1px rgb(14 165 233 / 0.4); }
-.acct-tag-master { background: rgb(139 92 246 / 0.14); color: rgb(109 40 217); box-shadow: inset 0 0 0 1px rgb(139 92 246 / 0.4); }
+.acct-tag-master { background: rgb(24 24 27 / 0.14); color: rgb(24 24 27); box-shadow: inset 0 0 0 1px rgb(24 24 27 / 0.4); }
 .acct-tag-free { background: rgb(100 116 139 / 0.14); color: rgb(51 65 85); box-shadow: inset 0 0 0 1px rgb(100 116 139 / 0.4); }
 .acct-tag-limit { background: rgb(245 158 11 / 0.16); color: rgb(180 83 9); box-shadow: inset 0 0 0 1px rgb(245 158 11 / 0.4); }
 html.dark .acct-tag-sub { background: rgb(14 165 233 / 0.18); color: rgb(125 211 252); box-shadow: inset 0 0 0 1px rgb(56 189 248 / 0.35); }
-html.dark .acct-tag-master { background: rgb(139 92 246 / 0.22); color: rgb(196 181 253); box-shadow: inset 0 0 0 1px rgb(167 139 250 / 0.35); }
+html.dark .acct-tag-master { background: rgb(24 24 27 / 0.22); color: rgb(161 161 170); box-shadow: inset 0 0 0 1px rgb(167 139 250 / 0.35); }
 html.dark .acct-tag-free { background: rgb(148 163 184 / 0.22); color: rgb(226 232 240); box-shadow: inset 0 0 0 1px rgb(148 163 184 / 0.35); }
 html.dark .acct-tag-limit { background: rgb(245 158 11 / 0.18); color: rgb(252 211 77); box-shadow: inset 0 0 0 1px rgb(251 191 36 / 0.35); }
 /* Capability chips (ModelsView): all variants need bg + ring + color reset in light mode.
@@ -283,7 +283,7 @@ html:not(.dark) .media-card :is([class*="border-white/"], [class*="ring-white/"]
 html:not(.dark) .media-card :is([class*="text-emerald-3"], [class*="text-emerald-2"]) { color: rgb(110 231 183) !important; }
 html:not(.dark) .media-card :is([class*="text-rose-3"], [class*="text-rose-2"]) { color: rgb(251 207 232) !important; }
 html:not(.dark) .media-card :is([class*="text-sky-3"], [class*="text-sky-2"]) { color: rgb(147 197 253) !important; }
-html:not(.dark) .media-card :is([class*="text-orange-3"], [class*="text-orange-2"]) { color: rgb(196 181 253) !important; }
+html:not(.dark) .media-card :is([class*="text-orange-3"], [class*="text-orange-2"]) { color: rgb(161 161 170) !important; }
 html:not(.dark) .media-card :is([class*="text-sky-3"], [class*="text-sky-2"]) { color: rgb(125 211 252) !important; }
 html:not(.dark) .media-card :is([class*="text-amber-3"], [class*="text-amber-2"]) { color: rgb(252 211 77) !important; }
 
@@ -311,7 +311,7 @@ body {
   /* Aurora ambient gradient + grain (used by PublicLayout via .ambient-bg) */
 }
 
-::selection { background: rgb(139 92 246 / 0.32); color: inherit; }
+::selection { background: rgb(24 24 27 / 0.32); color: inherit; }
 html:not(.dark) ::selection { color: #181524; }
 
 /* Tailwind v4 / preflight leaves <button> on the default arrow cursor, so
@@ -335,18 +335,18 @@ button:not(:disabled), [role="button"]:not([aria-disabled="true"]) { cursor: poi
    over-media tables are untouched; specificity outranks the per-view
    Tailwind hover utilities and the light-mode white rescue. */
 .theme-text .card table thead {
-  background: linear-gradient(180deg, rgb(124 92 252 / 0.07), rgb(124 92 252 / 0.025));
+  background: linear-gradient(180deg, rgb(24 24 27 / 0.07), rgb(24 24 27 / 0.025));
 }
 html.dark .theme-text .card table thead {
-  background: linear-gradient(180deg, rgb(139 92 246 / 0.13), rgb(139 92 246 / 0.05));
+  background: linear-gradient(180deg, rgb(24 24 27 / 0.13), rgb(24 24 27 / 0.05));
 }
 .theme-text .card table tbody tr { transition: background-color 0.15s ease; }
-.theme-text .card table tbody tr:hover { background-color: rgb(124 92 252 / 0.08); }
-html.dark .theme-text .card table tbody tr:hover { background-color: rgb(139 92 246 / 0.11); }
+.theme-text .card table tbody tr:hover { background-color: rgb(24 24 27 / 0.08); }
+html.dark .theme-text .card table tbody tr:hover { background-color: rgb(24 24 27 / 0.11); }
 /* Checkbox column + first data column get a hair more air against the
    card edge so dense tables don't feel cramped. */
 .theme-text .card table tbody tr:hover :is(td, th):first-child {
-  box-shadow: inset 2px 0 0 rgb(124 92 252 / 0.55);
+  box-shadow: inset 2px 0 0 rgb(24 24 27 / 0.55);
 }
 
 ::-webkit-scrollbar { width: 9px; height: 9px; }
@@ -359,16 +359,12 @@ html.dark ::-webkit-scrollbar-thumb:hover { background: rgb(255 255 255 / 0.32);
 /* ===== Ambient background — aurora wash used by the public shell ===== */
 .ambient-bg {
   background-color: var(--app-bg);
-  background-image:
-    radial-gradient(60rem 40rem at 12% -10%, rgb(124 92 252 / 0.14), transparent 60%),
-    radial-gradient(52rem 36rem at 92% 8%, rgb(34 211 238 / 0.11), transparent 60%),
-    radial-gradient(46rem 32rem at 8% 96%, rgb(240 171 252 / 0.1), transparent 60%);
-}
+  }
 html.dark .ambient-bg {
   background-image:
-    radial-gradient(60rem 40rem at 12% -10%, rgb(139 92 246 / 0.2), transparent 60%),
-    radial-gradient(52rem 36rem at 92% 8%, rgb(34 211 238 / 0.13), transparent 60%),
-    radial-gradient(46rem 32rem at 8% 96%, rgb(232 121 249 / 0.1), transparent 60%);
+    radial-gradient(60rem 40rem at 12% -10%, rgb(24 24 27 / 0.2), transparent 60%),
+    radial-gradient(52rem 36rem at 92% 8%, rgb(24 24 27 / 0.13), transparent 60%),
+    radial-gradient(46rem 32rem at 8% 96%, rgb(24 24 27 / 0.1), transparent 60%);
 }
 
 /* ===== Glass / aurora design kit =====
@@ -378,7 +374,7 @@ html.dark .ambient-bg {
 
 /* Gradient headline text — violet → cyan swipe. */
 .anime-grad-text {
-  background: linear-gradient(100deg, #7c5cfc 0%, #a855f7 45%, #22d3ee 100%);
+  background: linear-gradient(100deg, #18181b 0%, #3f3f46 45%, #52525b 100%);
   -webkit-background-clip: text;
   background-clip: text;
   -webkit-text-fill-color: transparent;
@@ -386,7 +382,7 @@ html.dark .ambient-bg {
   padding: 0 0.05em;
 }
 html.dark .anime-grad-text {
-  background: linear-gradient(100deg, #a78bfa 0%, #e879f9 45%, #67e8f9 100%);
+  background: linear-gradient(100deg, #71717a 0%, #e879f9 45%, #67e8f9 100%);
   -webkit-background-clip: text;
   background-clip: text;
 }
@@ -432,7 +428,7 @@ html.dark .anime-grad-text {
   color: #fff;
   border: 1px solid rgb(255 255 255 / 0.18);
   cursor: pointer;
-  background: linear-gradient(120deg, #7c5cfc, #5f6cf8 55%, #22d3ee);
+  background: linear-gradient(120deg, #18181b, #27272a 55%, #52525b);
   box-shadow: 0 8px 24px var(--accent-glow);
   transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
 }
@@ -458,7 +454,7 @@ html.dark .anime-grad-text {
 /* Selected pill — gradient fill with a glow. */
 .chip-on {
   color: #fff !important;
-  background: linear-gradient(120deg, #7c5cfc, #5f6cf8) !important;
+  background: linear-gradient(120deg, #18181b, #27272a) !important;
   border: 1px solid transparent !important;
   box-shadow: 0 4px 16px var(--accent-glow) !important;
 }
@@ -470,11 +466,11 @@ html.dark .anime-grad-text {
   inset: 0;
   pointer-events: none;
   background-image:
-    radial-gradient(1.5px 1.5px at 12% 22%, rgb(139 92 246 / 0.7), transparent),
-    radial-gradient(1.5px 1.5px at 78% 12%, rgb(34 211 238 / 0.7), transparent),
-    radial-gradient(1px 1px at 42% 62%, rgb(139 92 246 / 0.6), transparent),
-    radial-gradient(1.5px 1.5px at 88% 72%, rgb(232 121 249 / 0.6), transparent),
-    radial-gradient(1px 1px at 24% 84%, rgb(34 211 238 / 0.55), transparent),
+    radial-gradient(1.5px 1.5px at 12% 22%, rgb(24 24 27 / 0.7), transparent),
+    radial-gradient(1.5px 1.5px at 78% 12%, rgb(24 24 27 / 0.7), transparent),
+    radial-gradient(1px 1px at 42% 62%, rgb(24 24 27 / 0.6), transparent),
+    radial-gradient(1.5px 1.5px at 88% 72%, rgb(24 24 27 / 0.6), transparent),
+    radial-gradient(1px 1px at 24% 84%, rgb(24 24 27 / 0.55), transparent),
     radial-gradient(1px 1px at 62% 34%, rgb(167 139 250 / 0.55), transparent);
   animation: twinkle 4.5s ease-in-out infinite;
 }
@@ -540,7 +536,7 @@ html.dark .memphis-dots {
   font-size: 1.8rem;
   font-weight: 900;
   color: #fff;
-  background: linear-gradient(135deg, #7c5cfc, #22d3ee);
+  background: linear-gradient(135deg, #18181b, #52525b);
   border: 1px solid rgb(255 255 255 / 0.2);
   border-radius: 1.2rem;
   box-shadow: 0 12px 32px var(--accent-glow);
@@ -580,9 +576,9 @@ html.dark .memphis-dots {
    a violet glow ring, matching the light theme's focus affordance. */
 .public-dark .field:focus,
 .public-dark .field:focus-visible {
-  border-color: rgb(139 92 246 / 0.7);
+  border-color: rgb(24 24 27 / 0.7);
   background: rgb(255 255 255 / 0.06);
-  box-shadow: 0 0 0 3px rgb(139 92 246 / 0.25);
+  box-shadow: 0 0 0 3px rgb(24 24 27 / 0.25);
   outline: none;
 }
 .public-dark .btn-soft {
@@ -590,11 +586,11 @@ html.dark .memphis-dots {
   border-color: rgb(255 255 255 / 0.12);
   color: rgb(255 255 255 / 0.85);
 }
-.public-dark .btn-soft:hover { background: rgb(139 92 246 / 0.25); color: white; }
+.public-dark .btn-soft:hover { background: rgb(24 24 27 / 0.25); color: white; }
 .public-dark .btn-ghost { color: rgb(255 255 255 / 0.65); border-color: transparent; }
-.public-dark .btn-ghost:hover { background: rgb(139 92 246 / 0.18); color: white; }
+.public-dark .btn-ghost:hover { background: rgb(24 24 27 / 0.18); color: white; }
 .public-dark .btn-primary {
-  background: linear-gradient(120deg, #7c5cfc, #5f6cf8); color: #fff;
+  background: linear-gradient(120deg, #18181b, #27272a); color: #fff;
   box-shadow: 0 6px 18px var(--accent-glow);
 }
 .public-dark .btn-primary:hover { filter: brightness(1.08); }
@@ -622,7 +618,7 @@ html.dark .memphis-dots {
 /* Tables in dark */
 .public-dark .th { color: rgb(255 255 255 / 0.4); }
 .public-dark .row { border-color: rgb(255 255 255 / 0.06); }
-.public-dark .row:hover { background: rgb(139 92 246 / 0.07); }
+.public-dark .row:hover { background: rgb(24 24 27 / 0.07); }
 
 /* Inline code blocks (pill highlight) — only for inline <code>, NOT code inside
    a <pre> block (docs examples), which would get an unwanted full-width tint. */
@@ -665,7 +661,7 @@ html.dark .memphis-dots {
     @apply inline-flex items-center justify-center gap-1.5 rounded-lg text-sm font-bold
            disabled:opacity-50 disabled:cursor-not-allowed px-3.5 py-2;
     color: #fff;
-    background: linear-gradient(120deg, #7c5cfc, #5f6cf8 60%, #22d3ee 140%);
+    background: linear-gradient(120deg, #18181b, #27272a 60%, #52525b 140%);
     border: 1px solid rgb(255 255 255 / 0.16);
     box-shadow: 0 6px 18px var(--accent-glow);
     transition: transform 0.13s ease, box-shadow 0.13s ease, filter 0.13s ease;
@@ -685,10 +681,10 @@ html.dark .memphis-dots {
   .btn-soft:hover:not(:disabled) {
     color: var(--fg);
     background: var(--hover);
-    border-color: rgb(124 92 252 / 0.45);
-    box-shadow: 0 4px 14px rgb(124 92 252 / 0.16);
+    border-color: rgb(24 24 27 / 0.45);
+    box-shadow: 0 4px 14px rgb(24 24 27 / 0.16);
   }
-  html.dark .btn-soft:hover:not(:disabled) { border-color: rgb(139 92 246 / 0.5); box-shadow: 0 4px 14px rgb(139 92 246 / 0.22); }
+  html.dark .btn-soft:hover:not(:disabled) { border-color: rgb(24 24 27 / 0.5); box-shadow: 0 4px 14px rgb(24 24 27 / 0.22); }
   .btn-soft:active:not(:disabled) { transform: scale(0.97) translateY(1px); box-shadow: none; }
   .btn-ghost {
     @apply inline-flex items-center justify-center gap-1.5 rounded-lg text-xs font-medium
@@ -700,7 +696,7 @@ html.dark .memphis-dots {
   .btn-ghost:hover:not(:disabled) {
     color: var(--fg);
     background: var(--hover);
-    border-color: rgb(124 92 252 / 0.3);
+    border-color: rgb(24 24 27 / 0.3);
   }
 
   /* text link / quiet action */
@@ -717,12 +713,12 @@ html.dark .memphis-dots {
     transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
   }
   .field:focus, .field:focus-visible {
-    border-color: rgb(124 92 252 / 0.65);
-    box-shadow: 0 0 0 3px rgb(124 92 252 / 0.18);
+    border-color: rgb(24 24 27 / 0.65);
+    box-shadow: 0 0 0 3px rgb(24 24 27 / 0.18);
   }
   html.dark .field:focus, html.dark .field:focus-visible {
-    border-color: rgb(139 92 246 / 0.7);
-    box-shadow: 0 0 0 3px rgb(139 92 246 / 0.25);
+    border-color: rgb(24 24 27 / 0.7);
+    box-shadow: 0 0 0 3px rgb(24 24 27 / 0.25);
   }
 
   /* Native <select> using .field: drop the OS arrow for a custom chevron that
@@ -758,7 +754,7 @@ html.dark .memphis-dots {
   .th { @apply text-left px-4 py-3 text-[11px] font-bold uppercase tracking-wider; color: var(--fg-faint); }
   .td { @apply px-4 py-3.5 align-middle; }
   .row { @apply border-t transition-colors; border-color: var(--hairline); }
-  .row:hover { background: rgb(124 92 252 / 0.06); }
+  .row:hover { background: rgb(24 24 27 / 0.06); }
 
   /* avatar chip for identity columns */
   .avatar {
diff --git a/frontend/src/theme.js b/frontend/src/theme.js
index da24243..06d5ffb 100644
--- a/frontend/src/theme.js
+++ b/frontend/src/theme.js
@@ -1,46 +1,7 @@
-// Light/dark theme state. Default is LIGHT. The choice persists in localStorage
-// and is reflected as a `dark` class on <html>, which drives the CSS-variable
-// palette in style.css (and the conditional `.public-dark` override layer).
+// 固定亮色主题：不再提供光/暗切换，并清掉历史上保存的暗色选择。
 import { ref } from 'vue'
 
-const KEY = 'gw_theme'
-const mql = window.matchMedia ? window.matchMedia('(prefers-color-scheme: dark)') : null
+localStorage.removeItem('gw_theme')
+document.documentElement.classList.remove('dark')
 
-function systemTheme() {
-  return mql && mql.matches ? 'dark' : 'light'
-}
-
-// Precedence: an explicit user choice (localStorage) wins; otherwise follow the
-// OS's light/dark setting.
-const saved = localStorage.getItem(KEY)
-const initial = saved === 'dark' || saved === 'light' ? saved : systemTheme()
-
-export const theme = ref(initial)
-export const isDark = ref(initial === 'dark')
-
-function apply(t) {
-  isDark.value = t === 'dark'
-  const el = document.documentElement
-  el.classList.toggle('dark', t === 'dark')
-}
-
-// Apply at module load so the first paint already matches the resolved choice.
-apply(theme.value)
-
-// While the user hasn't made an explicit choice, keep tracking the OS setting
-// live (e.g. they flip macOS/Windows to dark mode with the tab open).
-if (mql) {
-  mql.addEventListener('change', () => {
-    if (!localStorage.getItem(KEY)) {
-      theme.value = systemTheme()
-      apply(theme.value)
-    }
-  })
-}
-
-/** Flip light ⇄ dark and persist as the user's explicit choice. */
-export function toggleTheme() {
-  theme.value = theme.value === 'dark' ? 'light' : 'dark'
-  localStorage.setItem(KEY, theme.value)
-  apply(theme.value)
-}
+export const isDark = ref(false)
diff --git a/frontend/src/views/AboutView.vue b/frontend/src/views/AboutView.vue
index d41d87b..0e44cd9 100644
--- a/frontend/src/views/AboutView.vue
+++ b/frontend/src/views/AboutView.vue
@@ -7,8 +7,8 @@ const contact = computed(() => site.contact || {})
 const powers = [
   { icon: 't2i', title: '文字生图', desc: '一句话出图，画幅与分辨率随模型可选。', tint: 'linear-gradient(135deg,#34d399,#2dd4bf)' },
   { icon: 'i2i', title: '参考图生图', desc: '上传参考换风格、改构图、做变体。', tint: 'linear-gradient(135deg,#e879f9,#f472b6)' },
-  { icon: 't2v', title: '文字生视频', desc: '一段描述生成短片，时长分辨率可选。', tint: 'linear-gradient(135deg,#38bdf8,#22d3ee)' },
-  { icon: 'i2v', title: '图生视频', desc: '给张参考图，让静态画面动起来。', tint: 'linear-gradient(135deg,#7c5cfc,#a855f7)' },
+  { icon: 't2v', title: '文字生视频', desc: '一段描述生成短片，时长分辨率可选。', tint: 'linear-gradient(135deg,#38bdf8,#52525b)' },
+  { icon: 'i2v', title: '图生视频', desc: '给张参考图，让静态画面动起来。', tint: 'linear-gradient(135deg,#18181b,#3f3f46)' },
 ]
 </script>
 
@@ -154,7 +154,7 @@ const powers = [
   box-shadow: var(--glass-shadow);
   transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
 }
-.power-card:hover { transform: translateY(-3px); border-color: rgb(124 92 252 / 0.45); box-shadow: var(--glass-shadow-lg); }
+.power-card:hover { transform: translateY(-3px); border-color: rgb(24 24 27 / 0.45); box-shadow: var(--glass-shadow-lg); }
 .power-ico {
   width: 2.6rem;
   height: 2.6rem;
@@ -162,7 +162,7 @@ const powers = [
   display: grid;
   place-items: center;
   color: #fff;
-  box-shadow: 0 6px 16px rgb(124 92 252 / 0.28);
+  box-shadow: 0 6px 16px rgb(24 24 27 / 0.28);
 }
 .power-ico svg { width: 1.3rem; height: 1.3rem; }
 @media (max-width: 768px) { .ab-cluster { display: none; } }
diff --git a/frontend/src/views/CanvasView.vue b/frontend/src/views/CanvasView.vue
index b3b1ddc..8a1f155 100644
--- a/frontend/src/views/CanvasView.vue
+++ b/frontend/src/views/CanvasView.vue
@@ -1119,7 +1119,7 @@ const saveLabel = computed(() => ({
 }
 .cv-btn:hover:not(:disabled) {
   background: var(--hover);
-  border-color: rgb(124 92 252 / 0.45);
+  border-color: rgb(24 24 27 / 0.45);
   box-shadow: 0 4px 14px var(--accent-glow);
   transform: translateY(-1px);
 }
@@ -1136,13 +1136,13 @@ const saveLabel = computed(() => ({
   box-shadow: 0 4px 14px rgb(229 72 77 / 0.25);
 }
 .cv-btn--accent {
-  background: linear-gradient(120deg, rgb(124 92 252 / 0.16), rgb(168 85 247 / 0.14));
-  border-color: rgb(124 92 252 / 0.42);
+  background: linear-gradient(120deg, rgb(24 24 27 / 0.16), rgb(168 85 247 / 0.14));
+  border-color: rgb(24 24 27 / 0.42);
   color: var(--m-orange);
 }
 .cv-btn--accent:hover:not(:disabled) {
-  background: linear-gradient(120deg, rgb(124 92 252 / 0.26), rgb(168 85 247 / 0.22));
-  border-color: rgb(124 92 252 / 0.62);
+  background: linear-gradient(120deg, rgb(24 24 27 / 0.26), rgb(168 85 247 / 0.22));
+  border-color: rgb(24 24 27 / 0.62);
   box-shadow: 0 4px 16px var(--accent-glow);
 }
 .cv-select,
@@ -1157,8 +1157,8 @@ const saveLabel = computed(() => ({
 }
 .cv-select:focus,
 .cv-input:focus {
-  border-color: rgb(124 92 252 / 0.6);
-  box-shadow: 0 0 0 3px rgb(124 92 252 / 0.18);
+  border-color: rgb(24 24 27 / 0.6);
+  box-shadow: 0 0 0 3px rgb(24 24 27 / 0.18);
 }
 
 .cv-page {
@@ -1225,7 +1225,7 @@ const saveLabel = computed(() => ({
   min-width: 46px;
   text-align: center;
   background: var(--hover);
-  border: 1px solid rgb(124 92 252 / 0.35);
+  border: 1px solid rgb(24 24 27 / 0.35);
   border-radius: 999px;
   padding: 1px 8px;
 }
@@ -1266,9 +1266,9 @@ const saveLabel = computed(() => ({
   font-size: 15px;
   font-weight: 800;
   color: var(--fg);
-  border: 2px dashed rgb(34 211 238 / 0.6);
+  border: 2px dashed rgb(24 24 27 / 0.6);
   border-radius: 18px;
-  background: rgb(34 211 238 / 0.1);
+  background: rgb(24 24 27 / 0.1);
   pointer-events: none;
 }
 .cv-loading,
@@ -1318,11 +1318,11 @@ const saveLabel = computed(() => ({
 }
 .cv-chip:hover {
   background: var(--hover);
-  border-color: rgb(124 92 252 / 0.4);
+  border-color: rgb(24 24 27 / 0.4);
 }
 .cv-chip.is-on {
   color: #fff;
-  background: linear-gradient(120deg, #7c5cfc, #5f6cf8);
+  background: linear-gradient(120deg, #18181b, #27272a);
   border-color: transparent;
   box-shadow: 0 4px 14px var(--accent-glow);
 }
@@ -1332,7 +1332,7 @@ const saveLabel = computed(() => ({
   border: 1px solid var(--glass-border);
   border-radius: 22px;
   background:
-    linear-gradient(160deg, rgb(124 92 252 / 0.06), transparent 40%),
+    linear-gradient(160deg, rgb(24 24 27 / 0.06), transparent 40%),
     var(--surface);
   -webkit-backdrop-filter: blur(22px) saturate(1.15);
   backdrop-filter: blur(22px) saturate(1.15);
@@ -1341,8 +1341,8 @@ const saveLabel = computed(() => ({
   overflow: visible; /* 下拉面板要从输入框上方弹出,不能被裁切 */
 }
 .cv-composer:focus-within {
-  border-color: rgb(124 92 252 / 0.55);
-  box-shadow: var(--glass-shadow-lg), 0 0 0 3px rgb(124 92 252 / 0.16), 0 0 42px var(--accent-glow);
+  border-color: rgb(24 24 27 / 0.55);
+  box-shadow: var(--glass-shadow-lg), 0 0 0 3px rgb(24 24 27 / 0.16), 0 0 42px var(--accent-glow);
 }
 .cv-composer__refs {
   display: flex;
@@ -1399,8 +1399,8 @@ const saveLabel = computed(() => ({
   width: 56px;
   height: 56px;
   border-radius: 12px;
-  border: 1.5px dashed rgb(124 92 252 / 0.5);
-  background: rgb(124 92 252 / 0.04);
+  border: 1.5px dashed rgb(24 24 27 / 0.5);
+  background: rgb(24 24 27 / 0.04);
   color: var(--m-orange);
   display: flex;
   flex-direction: column;
@@ -1414,7 +1414,7 @@ const saveLabel = computed(() => ({
 }
 .cv-refadd:hover {
   border-color: var(--m-orange);
-  background: rgb(124 92 252 / 0.1);
+  background: rgb(24 24 27 / 0.1);
   transform: translateY(-1px);
   box-shadow: 0 6px 16px var(--accent-glow);
 }
@@ -1468,7 +1468,7 @@ const saveLabel = computed(() => ({
   padding: 10px;
   border-radius: 11px;
   border: 1px solid rgb(255 255 255 / 0.18);
-  background: linear-gradient(120deg, #7c5cfc, #5f6cf8 55%, #22d3ee 140%);
+  background: linear-gradient(120deg, #18181b, #27272a 55%, #52525b 140%);
   color: #fff;
   font-size: 14px;
   font-weight: 800;
@@ -1593,14 +1593,14 @@ const saveLabel = computed(() => ({
 }
 .cv-picker__grid img:hover {
   transform: translateY(-2px);
-  border-color: rgb(124 92 252 / 0.55);
+  border-color: rgb(24 24 27 / 0.55);
   box-shadow: 0 8px 20px var(--accent-glow);
 }
 .cv-picker__up {
   width: 100%;
   aspect-ratio: 1;
   border-radius: 10px;
-  border: 2px dashed rgb(124 92 252 / 0.45);
+  border: 2px dashed rgb(24 24 27 / 0.45);
   background: transparent;
   color: var(--m-orange);
   display: flex;
@@ -1616,7 +1616,7 @@ const saveLabel = computed(() => ({
 .cv-picker__up:hover {
   transform: translateY(-2px);
   border-color: var(--m-orange);
-  background: rgb(124 92 252 / 0.08);
+  background: rgb(24 24 27 / 0.08);
   box-shadow: 0 8px 20px var(--accent-glow);
 }
 .cv-picker__up:disabled {
diff --git a/frontend/src/views/ChannelsView.vue b/frontend/src/views/ChannelsView.vue
index 1f4865e..cb59bb6 100644
--- a/frontend/src/views/ChannelsView.vue
+++ b/frontend/src/views/ChannelsView.vue
@@ -279,7 +279,7 @@ onMounted(load)
                    :class="!picked.has(s.id) && 'opacity-45'">
                 <div class="flex items-center gap-2.5 min-w-0">
                   <span class="w-2 h-2 rounded-full shrink-0"
-                        :class="s.kind === 'video' ? 'bg-sky-400' : s.kind === 'text' ? 'bg-amber-400' : 'bg-indigo-400'"></span>
+                        :class="s.kind === 'video' ? 'bg-sky-400' : s.kind === 'text' ? 'bg-amber-400' : 'bg-zinc-500'"></span>
                   <code class="font-mono text-[13px] font-semibold text-white/90 truncate">{{ s.id }}</code>
                   <span class="text-[11px] font-semibold text-white/40 shrink-0">{{ KIND_LABEL[s.kind] || s.kind }}</span>
                   <button type="button" class="ml-auto sw" :class="picked.has(s.id) && 'sw-on'"
diff --git a/frontend/src/views/ConfigView.vue b/frontend/src/views/ConfigView.vue
index bcfa72e..aa50f5e 100644
--- a/frontend/src/views/ConfigView.vue
+++ b/frontend/src/views/ConfigView.vue
@@ -656,7 +656,7 @@ html.dark .hint b { color: rgb(253 164 175); }   /* rose — visible warning, no
   box-shadow: 0 1px 2px rgb(15 23 42 / 0.2);
   transition: transform 0.18s ease;
 }
-.sw:checked { background: #4f46e5; }   /* sky-600 — matches btn-primary */
+.sw:checked { background: #27272a; }   /* sky-600 — matches btn-primary */
 .sw:checked::after { transform: translateX(calc(2.25rem - 1.3rem)); }
 .sw:focus-visible { box-shadow: 0 0 0 3px rgb(236 91 19 / 0.3); }
 .sw:disabled { cursor: not-allowed; opacity: 0.55; }
@@ -677,8 +677,8 @@ html.dark .num, html.dark .txt, html.dark .field {
 }
 .num::placeholder, .txt::placeholder, .field::placeholder { color: var(--fg-faint); }
 .num:focus, .txt:focus, .field:focus {
-  border-color: rgb(124 92 252 / 0.65);
-  box-shadow: 0 0 0 3px rgb(124 92 252 / 0.18);
+  border-color: rgb(24 24 27 / 0.65);
+  box-shadow: 0 0 0 3px rgb(24 24 27 / 0.18);
 }
 .num:disabled, .txt:disabled, .field:disabled { opacity: 0.45; cursor: not-allowed; }
 .num { width: 6rem; padding: 0.4rem 0.55rem; font-size: 0.8rem; text-align: right; -moz-appearance: textfield; appearance: textfield; }
@@ -692,7 +692,7 @@ html.dark .num, html.dark .txt, html.dark .field {
 .btn-primary {
   padding: 0.55rem 1.15rem; border-radius: 0.6rem;
   font-size: 0.8rem; font-weight: 800; color: white;
-  background: linear-gradient(120deg, #7c5cfc, #5f6cf8);
+  background: linear-gradient(120deg, #18181b, #27272a);
   border: 1px solid rgb(255 255 255 / 0.16);
   box-shadow: 0 6px 18px var(--accent-glow);
   transition: filter 0.15s, transform 0.12s, box-shadow 0.15s, opacity 0.15s;
diff --git a/frontend/src/views/HomeView.vue b/frontend/src/views/HomeView.vue
index d17cfe6..717c77f 100644
--- a/frontend/src/views/HomeView.vue
+++ b/frontend/src/views/HomeView.vue
@@ -739,7 +739,7 @@ html.dark .art { border-color: var(--ink-soft); }
   height: 40px;
   border-radius: 12px;
   background: rgba(24, 24, 27, 0.12);
-  color: #7c3aed;
+  color: #18181b;
 }
 .feature h3 {
   margin-top: 16px;
diff --git a/frontend/src/views/ImagesView.vue b/frontend/src/views/ImagesView.vue
index 910d8ed..0f621c8 100644
--- a/frontend/src/views/ImagesView.vue
+++ b/frontend/src/views/ImagesView.vue
@@ -328,7 +328,7 @@ onUnmounted(() => window.removeEventListener('keydown', onKey))
               <span v-if="f.resolution" class="text-emerald-300/90">{{ f.resolution }}</span>
               <span v-if="f.ratio" class="text-white/40">{{ f.ratio }}</span>
               <span v-if="f.kind === 'video' && f.duration" class="text-rose-300/80">{{ f.duration }}</span>
-              <span v-if="f.deai" class="text-[#a78bfa]">去AI</span>
+              <span v-if="f.deai" class="text-[#71717a]">去AI</span>
             </span>
           </div>
           <div class="text-[10px] text-white/35 mt-0.5 tabular-nums">{{ fmtSize(f.size) }} · {{ fmtTs(f.mtime) }}</div>
diff --git a/frontend/src/views/InviteView.vue b/frontend/src/views/InviteView.vue
index 9fa1ef0..eb11a84 100644
--- a/frontend/src/views/InviteView.vue
+++ b/frontend/src/views/InviteView.vue
@@ -88,7 +88,7 @@ function toast(m) {
     <section class="relative rounded-2xl p-7 md:p-8 overflow-hidden ink-card">
       <div class="memphis-dots absolute inset-0 opacity-30 pointer-events-none"></div>
       <div class="relative inline-grid w-11 h-11 rounded-xl text-white place-items-center"
-           style="background: linear-gradient(135deg, #7c5cfc, #22d3ee); box-shadow: 0 8px 20px var(--accent-glow)">
+           style="background: linear-gradient(135deg, #18181b, #52525b); box-shadow: 0 8px 20px var(--accent-glow)">
         <Icon name="accounts" class="w-5 h-5" />
       </div>
 
@@ -114,7 +114,7 @@ function toast(m) {
           </button>
           <button @click="copyInvite"
                   class="rounded-xl border border-white/20 text-white px-5 py-3 text-sm font-extrabold hover:-translate-y-0.5 active:translate-y-0.5 transition-all"
-                  style="background: linear-gradient(120deg, #7c5cfc, #22d3ee); box-shadow: 0 8px 20px var(--accent-glow)">
+                  style="background: linear-gradient(120deg, #18181b, #52525b); box-shadow: 0 8px 20px var(--accent-glow)">
             复制链接
           </button>
         </div>
diff --git a/frontend/src/views/LogsView.vue b/frontend/src/views/LogsView.vue
index 3954a24..7b9ce66 100644
--- a/frontend/src/views/LogsView.vue
+++ b/frontend/src/views/LogsView.vue
@@ -327,7 +327,7 @@ const sourcePill = (s) => ({
               </template>
               <template v-if="e.deai">
                 <span class="text-white/25 mx-1.5">·</span>
-                <span class="text-[#a78bfa]">去AI特征</span>
+                <span class="text-[#71717a]">去AI特征</span>
               </template>
             </td>
             <td class="px-3 py-3.5 text-right text-xs tabular-nums align-middle whitespace-nowrap">
diff --git a/frontend/src/views/ModelsView.vue b/frontend/src/views/ModelsView.vue
index a9fec88..9b99155 100644
--- a/frontend/src/views/ModelsView.vue
+++ b/frontend/src/views/ModelsView.vue
@@ -123,7 +123,7 @@ onMounted(loadModels)
       <div v-else-if="!filtered.length" class="flex flex-col items-center gap-3 text-white/40 py-20">
         <span class="w-14 h-14 rounded-2xl bg-white/[0.04] grid place-items-center"><Icon name="models" class="w-6 h-6" /></span>
         <span v-if="models.length" class="text-sm">没有匹配的模型</span>
-        <router-link v-else to="/admin/channels" class="text-sm text-sky-300 underline underline-offset-2">还没有模型，先到「渠道管理」勾选上游模型自动导入</router-link>
+        <router-link v-else to="/admin/channels" class="text-sm text-sky-300 underline underline-offset-2">还没有模型，先到「渠道管理」添加渠道，保存后会自动同步上游模型</router-link>
       </div>
 
       <table v-else class="w-full text-sm table-fixed">
diff --git a/frontend/src/views/PlaygroundView.vue b/frontend/src/views/PlaygroundView.vue
index 6ce5a22..6e3d137 100644
--- a/frontend/src/views/PlaygroundView.vue
+++ b/frontend/src/views/PlaygroundView.vue
@@ -1076,7 +1076,7 @@ onUnmounted(() => {
               <div class="pg-cap text-[11px] leading-tight font-medium line-clamp-2 transition-colors"
                    :class="item.prompt ? 'pointer-events-auto cursor-pointer' : ''"
                    :title="item.prompt ? '点击复制提示词' : ''" @click.stop="copyPrompt(item)">{{ item.prompt }}</div>
-              <div class="pg-cap-sub text-[9px] mt-0.5 font-mono truncate">{{ item.model }}<span v-if="item.deai"> · <span class="text-[#a78bfa]">去AI</span></span><span v-if="item.elapsed_ms"> · {{ (item.elapsed_ms / 1000).toFixed(1) }}s</span></div>
+              <div class="pg-cap-sub text-[9px] mt-0.5 font-mono truncate">{{ item.model }}<span v-if="item.deai"> · <span class="text-[#71717a]">去AI</span></span><span v-if="item.elapsed_ms"> · {{ (item.elapsed_ms / 1000).toFixed(1) }}s</span></div>
             </div>
           </template>
           <!-- pending / running -->
diff --git a/frontend/src/views/SettingsView.vue b/frontend/src/views/SettingsView.vue
index d19549d..534a5d7 100644
--- a/frontend/src/views/SettingsView.vue
+++ b/frontend/src/views/SettingsView.vue
@@ -273,7 +273,7 @@ async function recharge() {
       <section class="lg:col-span-2 card overflow-hidden">
         <div class="p-7 md:p-8 relative">
           <div class="absolute -top-16 -right-16 w-48 h-48 rounded-full opacity-30 blur-3xl"
-               style="background: radial-gradient(circle,#8b5cf6,transparent 60%)"></div>
+               style="background: radial-gradient(circle,#27272a,transparent 60%)"></div>
           <div class="relative grid md:grid-cols-[260px_1fr] gap-8 items-start">
             <div>
               <div class="inline-grid w-10 h-10 rounded-xl bg-orange-500/15 ring-1 ring-orange-400/30 grid place-items-center text-orange-300">
diff --git a/frontend/src/views/UserLogsTableView.vue b/frontend/src/views/UserLogsTableView.vue
index 3221c31..fb91722 100644
--- a/frontend/src/views/UserLogsTableView.vue
+++ b/frontend/src/views/UserLogsTableView.vue
@@ -257,7 +257,7 @@ const params = (e) => {
                    :title="e.error + ' — 点击复制'"
                    @click.stop="copyError(e)">⚠ {{ e.error }}</div>
             </td>
-            <td class="px-3 py-3 align-middle text-xs text-slate-500 tabular-nums">{{ params(e) || '—' }}<span v-if="e.deai"> · <span class="text-[#a78bfa]">去AI特征</span></span></td>
+            <td class="px-3 py-3 align-middle text-xs text-slate-500 tabular-nums">{{ params(e) || '—' }}<span v-if="e.deai"> · <span class="text-[#71717a]">去AI特征</span></span></td>
             <td class="px-3 py-3 align-middle text-right text-xs text-slate-700 tabular-nums">{{ e.cost ? points(e.cost) : '—' }}</td>
             <td class="px-3 py-3 align-middle text-right text-xs text-slate-500 tabular-nums">{{ e.elapsed_ms ? (e.elapsed_ms / 1000).toFixed(1) + 's' : '—' }}</td>
           </tr>
diff --git a/frontend/src/views/UserLogsView.vue b/frontend/src/views/UserLogsView.vue
index 1257f52..2b8cbc0 100644
--- a/frontend/src/views/UserLogsView.vue
+++ b/frontend/src/views/UserLogsView.vue
@@ -361,7 +361,7 @@ onUnmounted(() => {
               <span v-if="e.resolution" class="text-emerald-300/90">{{ e.resolution }}</span>
               <span v-if="e.ratio" class="text-white/40">{{ e.ratio }}</span>
               <span v-if="e.kind === 'video' && e.duration" class="text-rose-300/80">{{ e.duration }}</span>
-              <span v-if="e.deai" class="text-[#a78bfa]">去AI</span>
+              <span v-if="e.deai" class="text-[#71717a]">去AI</span>
             </span>
           </div>
           <div class="text-[10px] text-white/35 mt-0.5 tabular-nums">{{ fmtTs(e.ts) }}<span v-if="e.elapsed_ms"> · {{ fmtMs(e.elapsed_ms) }}</span></div>