refactor(glass): 批次1 - 迁移全局组件使用统一毛玻璃配置

迁移以下 10 个组件使用 glassConfig.ts 统一配置:
- GlassCard: GLASS_BLUR/GLASS_SHADOW 替换硬编码 blur/glow
- SubTabContainer: GLASS_BLUR.lg 替换 blur(20px)
- HomeNavbar: GLASS_BLUR.sm 替换 blur(10px)
- AuthModalManager: GLASS_BLUR.sm 替换 blur(10px)
- WechatRegister: GLASS_BLUR.xs 替换 blur(4px)
- SubscriptionModal: GLASS_BLUR.xs 替换 blur(4px)
- SubscriptionContentNew: GLASS_BLUR.sm/lg/xl 替换多处硬编码
- ImageLightbox: GLASS_BLUR.sm 替换 blur(10px)
- ImagePreviewModal: GLASS_BLUR.sm 替换 blur(10px)
- FuiContainer: GLASS_BLUR.md 替换 blur(16px)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/components/ImagePreviewModal/index.js

@@ -18,6 +18,7 @@ import {
 } from '@chakra-ui/react';
 import { ChevronLeft, ChevronRight, Download, ZoomIn, ZoomOut } from 'lucide-react';
 import { motion, AnimatePresence } from 'framer-motion';
+import { GLASS_BLUR } from '@/constants/glassConfig';
 
 const MotionBox = motion(Box);
 
@@ -195,7 +196,7 @@ const ImagePreviewModal = ({ isOpen, onClose, images = [], initialIndex = 0 }) =
             borderRadius="full"
             px="6"
             py="3"
-            backdropFilter="blur(10px)"
+            backdropFilter={GLASS_BLUR.sm}
             zIndex="2"
           >
             <HStack spacing="4">
@@ -255,7 +256,7 @@ const ImagePreviewModal = ({ isOpen, onClose, images = [], initialIndex = 0 }) =
             borderRadius="md"
             px="4"
             py="2"
-            backdropFilter="blur(10px)"
+            backdropFilter={GLASS_BLUR.sm}
           >
             <Text color="whiteAlpha.800" fontSize="xs">
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