feat(glass): 插件卡片改为染色玻璃

将插件卡片与市场卡片头部的实色背景改为变量驱动的染色层：
图标主色只作为透光色相，玻璃主题下叠加吸收遮罩与镜面高光，
并按 frosted/tinted 材质与透明度调整强度；文件夹卡片渐变底
同步降低不透明度让卡片本体玻璃透出。

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

src/components/cards/PluginAppCard.vue

@@ -2,7 +2,7 @@
 import api from '@/api'
 import type { Plugin } from '@/api/types'
 import { getLogoUrl } from '@/utils/imageUtils'
-import { getDominantColor } from '@/@core/utils/image'
+import { getCardAccentRgbFromImage } from '@/composables/useCardAccentColor'
 import { isNullOrEmptyObject } from '@/@core/utils'
 import { formatDownloadCount } from '@/@core/utils/formatters'
 import { useToast } from 'vue-toastification'
@@ -35,8 +35,8 @@ const $toast = useToast()
 
 const createConfirm = useConfirm()
 
-// 背景颜色
+// 卡片头部染色所用的图标主色（CSS 变量可直接消费的 RGB 通道值）
-const backgroundColor = ref('#28A9E1')
+const accentRgb = ref('40, 169, 225')
 
 // 图片对象
 const imageRef = ref<any>()
@@ -76,8 +76,8 @@ function closeInstallProgress() {
 async function imageLoaded() {
   isImageLoaded.value = true
   const imageElement = imageRef.value?.$el.querySelector('img') as HTMLImageElement
-  // 从图片中提取背景色
+  // 从图标中提取主色，作为卡片头部染色玻璃的色相来源
-  backgroundColor.value = await getDominantColor(imageElement)
+  accentRgb.value = await getCardAccentRgbFromImage(imageElement, '#28A9E1')
 }
 
 // 计算图标路径
@@ -236,15 +236,13 @@ onUnmounted(() => {
             :width="props.width"
             :height="props.height"
             @click="showPluginDetail"
-            class="app-hover-lift-card flex flex-col h-full"
+            class="plugin-card app-hover-lift-card flex flex-col h-full"
             :class="{
               'app-hover-lift-card--hovering': hover.isHovering,
             }"
+            :style="{ '--plugin-card-accent-rgb': accentRgb }"
           >
-          <div
+          <div class="plugin-card__banner flex-grow">
-            class="flex-grow"
-            :style="`background: linear-gradient(rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.5) 100%), linear-gradient(${backgroundColor} 0%, ${backgroundColor} 100%)`"
-          >
             <VCardText class="px-2 pt-2 pb-0">
               <VCardTitle
                 class="text-white px-2 pb-0 text-lg text-shadow whitespace-nowrap overflow-hidden text-ellipsis"

src/components/cards/PluginCard.vue

@@ -4,7 +4,7 @@ import { useConfirm } from '@/composables/useConfirm'
 import api from '@/api'
 import type { Plugin } from '@/api/types'
 import { getLogoUrl } from '@/utils/imageUtils'
-import { getDominantColor } from '@/@core/utils/image'
+import { getCardAccentRgbFromImage } from '@/composables/useCardAccentColor'
 import { formatDownloadCount } from '@/@core/utils/formatters'
 import { useDisplay } from 'vuetify'
 import { useI18n } from 'vue-i18n'
@@ -40,8 +40,8 @@ const { t } = useI18n()
 // 显示器宽度
 const display = useDisplay()
 
-// 背景颜色
+// 卡片头部染色所用的图标主色（CSS 变量可直接消费的 RGB 通道值）
-const backgroundColor = ref('#28A9E1')
+const accentRgb = ref('40, 169, 225')
 
 // 图片对象
 const imageRef = ref<any>()
@@ -98,8 +98,8 @@ watch(
 async function imageLoaded() {
   isImageLoaded.value = true
   const imageElement = imageRef.value?.$el.querySelector('img') as HTMLImageElement
-  // 从图片中提取背景色
+  // 从图标中提取主色，作为卡片头部染色玻璃的色相来源
-  backgroundColor.value = await getDominantColor(imageElement)
+  accentRgb.value = await getCardAccentRgbFromImage(imageElement, '#28A9E1')
 }
 
 // 显示更新日志
@@ -573,17 +573,15 @@ watch(
             :width="props.width"
             :height="props.height"
             @click="handleCardClick"
-            class="app-hover-lift-card flex flex-col h-full"
+            class="plugin-card app-hover-lift-card flex flex-col h-full"
             :class="{
               'app-hover-lift-card--hovering': hover.isHovering && !props.sortable,
               'cursor-move': props.sortable,
             }"
+            :style="{ '--plugin-card-accent-rgb': accentRgb }"
             :ripple="!props.sortable"
           >
-          <div
+          <div class="plugin-card__banner flex-grow">
-            class="flex-grow"
-            :style="`background: linear-gradient(rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.5) 100%), linear-gradient(${backgroundColor} 0%, ${backgroundColor} 100%)`"
-          >
             <VCardText class="px-2 pt-2 pb-0">
               <VCardTitle
                 class="text-white px-2 pb-0 text-lg text-shadow whitespace-nowrap overflow-hidden text-ellipsis"

src/styles/common.scss

@@ -1338,6 +1338,22 @@ html[data-theme='transparent'].transparent-glass-realtime .v-theme--transparent
   grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
 }
 
+// 插件卡片头部染色层：普通主题保持原有实色底＋压暗遮罩，玻璃主题只替换色层与材质。
+.plugin-card__banner {
+  position: relative;
+  -webkit-backdrop-filter: var(--plugin-card-banner-backdrop-filter, none);
+  backdrop-filter: var(--plugin-card-banner-backdrop-filter, none);
+  background-image: var(--plugin-card-banner-scrim), var(--plugin-card-banner-tint);
+  transition: background-image 0.2s ease;
+
+  --plugin-card-accent-rgb: 40, 169, 225;
+  --plugin-card-banner-scrim: linear-gradient(rgba(0, 0, 0, 60%) 0%, rgba(0, 0, 0, 50%) 100%);
+  --plugin-card-banner-tint: linear-gradient(
+    rgb(var(--plugin-card-accent-rgb)) 0%,
+    rgb(var(--plugin-card-accent-rgb)) 100%
+  );
+}
+
 .grid-downloading-card {
   grid-template-columns: repeat(auto-fill, minmax(20rem, 1fr));
 }

src/styles/themes/glass.scss

@@ -760,6 +760,81 @@ html[data-theme='glass'] {
     backdrop-filter: var(--glass-surface-backdrop-filter);
   }
 
+  // 插件卡片头部改为染色玻璃：图标主色只作为透光色相，压暗遮罩换成玻璃吸收与高光。
+  .plugin-card__banner {
+    border-block-end: 1px solid var(--glass-border);
+
+    --plugin-card-banner-scrim: linear-gradient(
+      rgba(11, 19, 34, calc(0.34 - var(--glass-transparency, 0.5) * 0.14)) 0%,
+      rgba(11, 19, 34, calc(0.46 - var(--glass-transparency, 0.5) * 0.16)) 100%
+    );
+    --plugin-card-banner-tint: linear-gradient(
+      135deg,
+      rgba(var(--plugin-card-accent-rgb), 0.42) 0%,
+      rgba(var(--plugin-card-accent-rgb), 0.24) 58%,
+      rgba(var(--plugin-card-accent-rgb), 0.12) 100%
+    );
+  }
+
+  // 卡片主体已经承担实时背景采样，头部只叠加静态色层与镜面高光。
+  .plugin-card__banner::before {
+    position: absolute;
+    background-image: var(--glass-sheen);
+    box-shadow: inset 0 1px 0 var(--glass-highlight);
+    content: '';
+    inset: 0;
+    pointer-events: none;
+  }
+
+  .plugin-card__banner > * {
+    position: relative;
+  }
+
+  // 磨砂材质透光更强，染色需要同步减弱以免头部压过卡片本体。
+  &[data-glass-appearance='frosted'] .plugin-card__banner {
+    --plugin-card-banner-scrim: linear-gradient(
+      rgba(11, 19, 34, calc(0.24 - var(--glass-transparency, 0.5) * 0.12)) 0%,
+      rgba(11, 19, 34, calc(0.34 - var(--glass-transparency, 0.5) * 0.14)) 100%
+    );
+    --plugin-card-banner-tint: linear-gradient(
+      135deg,
+      rgba(var(--plugin-card-accent-rgb), 0.32) 0%,
+      rgba(var(--plugin-card-accent-rgb), 0.18) 58%,
+      rgba(var(--plugin-card-accent-rgb), 0.08) 100%
+    );
+  }
+
+  // 色调材质本身带主色语义，头部染色向主色收敛保持整页同一色温。
+  &[data-glass-appearance='tinted'] .plugin-card__banner {
+    --plugin-card-banner-tint: linear-gradient(
+      135deg,
+      color-mix(in srgb, rgba(var(--plugin-card-accent-rgb), 0.42) 74%, rgba(var(--v-theme-primary), 0.42)) 0%,
+      color-mix(in srgb, rgba(var(--plugin-card-accent-rgb), 0.24) 74%, rgba(var(--v-theme-primary), 0.24)) 58%,
+      rgba(var(--plugin-card-accent-rgb), 0.12) 100%
+    );
+  }
+
+  // 文件夹卡片保留用户自选渐变作为色相，只降低不透明度让卡片本体的玻璃透出来。
+  .plugin-folder-card__bg {
+    opacity: calc(0.5 - var(--glass-transparency, 0.5) * 0.14);
+  }
+
+  .plugin-folder-card__bg::after {
+    position: absolute;
+    background-image: var(--glass-sheen);
+    box-shadow: inset 0 1px 0 var(--glass-highlight);
+    content: '';
+    inset: 0;
+    pointer-events: none;
+  }
+
+  .plugin-folder-card__overlay {
+    background: linear-gradient(
+      rgba(11, 19, 34, calc(0.34 - var(--glass-transparency, 0.5) * 0.14)) 0%,
+      rgba(11, 19, 34, calc(0.46 - var(--glass-transparency, 0.5) * 0.16)) 100%
+    );
+  }
+
   // 捷径菜单的嵌套卡片会被通用弹层模糊覆盖，需要显式跟随玻璃材质。
   .shortcut-card-hover-area > .v-card {
     -webkit-backdrop-filter: var(--glass-surface-backdrop-filter) !important;