Merge pull request 'fix(footer): 移除暴露技术细节的链接' (#5) from fix/footer-remove-tech-details into main

- 删除 更新日志 / Changelog 链接（指向 gitea commits）
- 删除 git.puro.im 与 GitHub ↗ 联系项
- footer-meta 从 '© 2026 puro.im · MIT License · fork of Wei-Shaw/sub2api' 精简为 '© 2026 puro.im'
- zh/en 对应 linkChangelog 键一并删除

frontend/src/components/layout/PortalLayout.vue

@@ -36,14 +36,13 @@
             <span>PURO AI</span>
           </div>
           <p class="footer-tagline">{{ $t('landing.footer.tagline1') }}<br>{{ $t('landing.footer.tagline2') }}</p>
-          <p class="footer-meta">© 2026 puro.im · MIT License<br>fork of Wei-Shaw/sub2api</p>
+          <p class="footer-meta">© 2026 puro.im</p>
           <div class="footer-status"><span class="dot-green"></span>all systems operational</div>
         </div>
         <div class="footer-col">
           <div class="footer-col-title">{{ $t('landing.footer.colProducts') }}</div>
           <router-link to="/docs">{{ $t('landing.footer.linkDocs') }}</router-link>
           <router-link to="/pricing">{{ $t('portal.nav.pricing') }}</router-link>
-          <a href="https://git.puro.im/purovps/sub2api/commits/branch/main" target="_blank" rel="noopener noreferrer">{{ $t('landing.footer.linkChangelog') }}</a>
         </div>
         <div class="footer-col">
           <div class="footer-col-title">{{ $t('landing.footer.colAccount') }}</div>
@@ -54,8 +53,6 @@
         <div class="footer-col">
           <div class="footer-col-title">{{ $t('landing.footer.colContact') }}</div>
           <a href="mailto:admin@puro.im">admin@puro.im</a>
-          <a href="https://git.puro.im" target="_blank" rel="noopener noreferrer">git.puro.im</a>
-          <a href="https://git.puro.im/purovps/sub2api" target="_blank" rel="noopener noreferrer">GitHub ↗</a>
         </div>
       </div>
     </footer>

frontend/src/i18n/locales/en.ts

@@ -5710,7 +5710,6 @@ export default {
       colContact: 'Contact',
       linkDocs: 'Docs',
       linkFeatures: 'Features',
-      linkChangelog: 'Changelog',
       linkLogin: 'Sign in',
       linkRegister: 'Register',
     },

frontend/src/i18n/locales/zh.ts

@@ -5903,7 +5903,6 @@ export default {
       colContact: '联系',
       linkDocs: '文档',
       linkFeatures: '功能',
-      linkChangelog: '更新日志',
       linkLogin: '登录',
       linkRegister: '注册',
     },