feat: 增加防丢失页面海报生成

lib/app/modules/hi_anti_lost/widgets/hi_anti_lost_share_card.dart

@@ -8,80 +8,50 @@ class HIAntiLostShareCard extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    // Fixed width for the generated image, independent of screen size
-    final double cardWidth = 375.0; 
-    final double cardHeight = 600.0; // Approx height
+    // Fixed dimensions for the generated image
+    final double cardWidth = 375.0;
+    final double cardHeight = 812.0;
 
     return Container(
       width: cardWidth,
-      // minimal height or let it expand
-      padding: EdgeInsets.all(20),
-      color: Colors.black, // Dark background
-      child: Column(
-        mainAxisSize: MainAxisSize.min,
+      height: cardHeight,
+      decoration: const BoxDecoration(
+        image: DecorationImage(
+          image: AssetImage('assets/images/lost-poster-bg.png'),
+          fit: BoxFit.cover,
+        ),
+      ),
+      child: Stack(
         children: [
-           SizedBox(height: 40),
-           // Title
-           Text(
-             '保存二维码，防止失联',
-             style: TextStyle(
-               color: const Color(0xFFCCFF00),
-               fontSize: 24,
-               fontWeight: FontWeight.bold,
-               fontFamily: 'AlibabaPuHuiTi-Medium',
-             ),
-           ),
-           SizedBox(height: 20),
-           // Description
-           Text(
-             '建议保存Hi快VPN防丢二维码到相册\n永久保障您的互联网自由',
-             textAlign: TextAlign.center,
-             style: TextStyle(
-               color: const Color(0xFFCCFF00),
-               fontSize: 14,
-               height: 1.5,
-                fontFamily: 'AlibabaPuHuiTi-Regular',
-             ),
-           ),
-           SizedBox(height: 40),
-           // QR Code Card
-           Container(
-             padding: EdgeInsets.all(20),
-             decoration: BoxDecoration(
-               color: Colors.black,
-               border: Border.all(color: const Color(0xFFCCFF00), width: 3),
-               borderRadius: BorderRadius.circular(20),
-             ),
-             child: QrImageView(
-               data: 'https://github.com/hi-vpn/hi-client', // Replace with actual URL
-               version: QrVersions.auto,
-               size: 200,
-               backgroundColor: Colors.transparent,
-               eyeStyle: const QrEyeStyle(
-                 eyeShape: QrEyeShape.square,
-                 color: Color(0xFFCCFF00),
-               ),
-               dataModuleStyle: const QrDataModuleStyle(
-                 dataModuleShape: QrDataModuleShape.square,
-                 color: Color(0xFFCCFF00),
-               ),
-                embeddedImage: const AssetImage('assets/images/kr-logo.png'), 
-                embeddedImageStyle: const QrEmbeddedImageStyle(
-                  size: Size(50, 50),
+          Positioned(
+            top: 32,
+            right: 30,
+            child: SizedBox(
+              width: 108,
+              height: 108,
+              child: QrImageView(
+                data:
+                    'https://github.com/hi-vpn/hi-client', // Replace with actual URL
+                version: QrVersions.auto,
+                size: 108,
+                padding: EdgeInsets.zero,
+                backgroundColor: Colors.transparent,
+                eyeStyle: const QrEyeStyle(
+                  eyeShape: QrEyeShape.square,
+                  color: Colors.white,
                 ),
-             ),
-           ),
-           SizedBox(height: 40),
-           // Footer branding
-            Text(
-             'HiVPN',
-             style: TextStyle(
-               color: Colors.white.withOpacity(0.5),
-               fontSize: 12,
-               letterSpacing: 2,
-             ),
-           ),
-           SizedBox(height: 20),
+                dataModuleStyle: const QrDataModuleStyle(
+                  dataModuleShape: QrDataModuleShape.square,
+                  color: Colors.white,
+                ),
+                embeddedImage: const AssetImage(
+                    'assets/images/lost-poster-logo-white.png'),
+                embeddedImageStyle: const QrEmbeddedImageStyle(
+                  size: Size(42, 42),
+                ),
+              ),
+            ),
+          ),
         ],
       ),
     );