✨ About page

lib/screens/about_page.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:url_launcher/url_launcher.dart';
 
 class AboutPage extends StatelessWidget {
   const AboutPage({super.key});
@@ -6,45 +7,79 @@ class AboutPage extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      appBar: AppBar(title: const Text('About')),
-      body: Padding(
-        padding: const EdgeInsets.all(16.0),
-        child: Column(
-          crossAxisAlignment: CrossAxisAlignment.center,
-          children: [
-            const SizedBox(height: 20),
-            Icon(
-              Icons.calculate,
-              size: 80,
-              color: Theme.of(context).colorScheme.primary,
+      appBar: AppBar(title: const Text('关于')),
+      body: Center(
+        child: SingleChildScrollView(
+          padding: const EdgeInsets.all(16.0),
+          child: ConstrainedBox(
+            constraints: const BoxConstraints(maxWidth: 320),
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.stretch,
+              children: [
+                const SizedBox(height: 20),
+                Center(
+                  child: ClipRRect(
+                    borderRadius: const BorderRadius.all(Radius.circular(8)),
+                    child: Image.asset(
+                      'assets/icon.jpg',
+                      width: 80,
+                      height: 80,
+                    ),
+                  ),
+                ),
+                const SizedBox(height: 20),
+                Text(
+                  'Simple Math Calc',
+                  style: Theme.of(context).textTheme.headlineMedium,
+                  textAlign: TextAlign.center,
+                ),
+                const SizedBox(height: 10),
+                Text(
+                  '简单数学计算器',
+                  style: Theme.of(context).textTheme.bodyLarge,
+                  textAlign: TextAlign.center,
+                ),
+                const SizedBox(height: 20),
+                Opacity(
+                  opacity: 0.8,
+                  child: Text(
+                    '这是一个用于求解方程和表达式的计算器应用。\n支持多种类型的数学计算，包括代数方程、表达式求值等。\n\n结果仅供参考，纯机器计算，无 AI 成分。\n\n在书写方程的时候，请勿使用中文符号，平方请使用 ^n 来表示 n 次方。\n\n理性使用，仅为辅助学习目的，过量使用有害考试成绩。',
+                    style: Theme.of(context).textTheme.bodyMedium,
+                    textAlign: TextAlign.center,
+                  ),
+                ),
+                const SizedBox(height: 20),
+                Text(
+                  '© 2025 LittleSheep',
+                  style: Theme.of(context).textTheme.bodySmall,
+                  textAlign: TextAlign.center,
+                ),
+                const SizedBox(height: 30),
+                Text(
+                  '看看 LittleSheep 的其他作品',
+                  style: Theme.of(context).textTheme.titleMedium,
+                  textAlign: TextAlign.center,
+                ),
+                const SizedBox(height: 16),
+                ListTile(
+                  leading: const Icon(Icons.web),
+                  trailing: const Icon(Icons.chevron_right),
+                  title: const Text('Solar Network'),
+                  subtitle: const Text('aka Solian'),
+                  onTap: () => _launchUrl('https://web.solian.app'),
+                ),
+              ],
             ),
-            const SizedBox(height: 20),
-            Text(
-              '方程计算器',
-              style: Theme.of(context).textTheme.headlineMedium,
-              textAlign: TextAlign.center,
-            ),
-            const SizedBox(height: 10),
-            Text(
-              'Version 1.0.0',
-              style: Theme.of(context).textTheme.bodyLarge,
-              textAlign: TextAlign.center,
-            ),
-            const SizedBox(height: 20),
-            Text(
-              '这是一个用于求解方程和表达式的计算器应用。\n\n支持多种类型的数学计算，包括代数方程、表达式求值等。',
-              style: Theme.of(context).textTheme.bodyMedium,
-              textAlign: TextAlign.center,
-            ),
-            const SizedBox(height: 30),
-            Text(
-              '© 2025 Simple Math Calculator',
-              style: Theme.of(context).textTheme.bodySmall,
-              textAlign: TextAlign.center,
-            ),
-          ],
+          ),
         ),
       ),
     );
   }
+
+  Future<void> _launchUrl(String url) async {
+    final Uri uri = Uri.parse(url);
+    if (!await launchUrl(uri)) {
+      throw Exception('Could not launch $url');
+    }
+  }
 }