feat: light theme, frontend link, nav fix, rename to 七虎AI

frontend/src/pages/front/EvolutionDashboard.tsx

@@ -407,7 +407,7 @@ const TimelinePanel: React.FC<{
         pdf.text('我的AI进化时间线', 10, 15);
         pdf.setFontSize(10);
         pdf.text(`生成日期: ${dateStr}`, 10, 22);
-        pdf.text('Qihu-AIFlow', pageWidth - 10, 22, { align: 'right' });
+        pdf.text('七虎AI', pageWidth - 10, 22, { align: 'right' });
 
         // 单页添加图片，自动缩放适应
         const maxHeight = pageHeight - 35;
@@ -417,7 +417,7 @@ const TimelinePanel: React.FC<{
         // 底部水印
         pdf.setFontSize(8);
         pdf.setTextColor(200, 200, 200);
-        pdf.text('Qihu-AIFlow', pageWidth / 2, pageHeight - 5, { align: 'center' });
+        pdf.text('七虎AI', pageWidth / 2, pageHeight - 5, { align: 'center' });
 
         pdf.save(`${filename}.pdf`);
         setExportMsg(`时间线已导出为 PDF: ${filename}.pdf`);
@@ -746,7 +746,7 @@ const ProfilePanel: React.FC<{ profile: EvolutionProfile; skills: EvolutionSkill
                 {/* Footer */}
                 <div className="evo-share-card-footer">
                   <span style={{ opacity: 0.5, fontSize: '11px' }}>{new Date().toLocaleDateString()}</span>
-                  <span style={{ opacity: 0.5, fontSize: '11px' }}>Qihu-AIFlow</span>
+                  <span style={{ opacity: 0.5, fontSize: '11px' }}>七虎AI</span>
                 </div>
               </div>
             </div>