feat: 移动端contact us弹窗

src/lang/en.ts

@@ -7,6 +7,7 @@ export default {
     contactDesc:
       'For questions on eligibility, competition rules,\n judging criteria, or any other enquiries,\n feel free to reach out via our official email.',
     sendEmail: 'Send Email',
+    copyMailAddress: 'Copy Email Address',
     copyMail: 'Successfully copied to clipboard!',
     sendEmailFailed: 'Failed to open email client, we have copied the email to your clipboard.',
     applicationDeadline: 'Application Deadline:\n15th July 2026',

src/lang/zh-cn.ts

@@ -8,6 +8,7 @@ export default {
       '无论是报名资格、参赛细则、评审标准，还是其他比赛相关问题，欢迎通过以下邮箱联络我们：',
     sendEmail: '发送邮件',
     copyMail: '已成功复制到剪贴板',
+    copyMailAddress: '复制邮件地址',
     sendEmailFailed: '无法打开邮件客户端，我们已将邮箱地址复制到您的剪贴板。',
     applicationDeadline: '申请期限：\n2026年7月15日',
     howToApply: '申请方法',