v2版本登录修改

lib/features/auth/presentation/pages/login_page.dart

@@ -50,7 +50,36 @@ class _LoginPageState extends State<LoginPage> {
           child: Column(
             crossAxisAlignment: CrossAxisAlignment.start,
             children: [
-              const SizedBox(height: 40),
+              const SizedBox(height: 15),
+              
+              // 顶部居中图片和认证信息
+              Center(
+                child: Column(
+                  children: [
+                    Image.asset(
+                      'assets/images/huawei.png',
+                      width: 80,
+                      height: 80,
+                      fit: BoxFit.contain,
+                    ),
+                    const SizedBox(height: 8),
+                    Padding(
+                      padding: const EdgeInsets.symmetric(horizontal: 20.0),
+                      child: Text(
+                        "通过华为云生态技术认证，请放心使用，证书编号C202605301",
+                        textAlign: TextAlign.center,
+                        style: TextStyle(
+                          fontSize: 11,
+                          color: Colors.grey.shade600,
+                          height: 1.4,
+                        ),
+                      ),
+                    ),
+                  ],
+                ),
+              ),
+              
+              const SizedBox(height: 20),
               const Text(
                 "账号登录",
                 style: TextStyle(fontSize: 28, fontWeight: FontWeight.bold, color: Colors.black),
@@ -149,7 +178,7 @@ class _LoginPageState extends State<LoginPage> {
                 ),
               ),
 
-              const SizedBox(height: 20),
+              const SizedBox(height: 15),