feat: 完成全站UI优化 - 科技感/未来风设计

- 前台页面全面升级为Tailwind CSS框架
- 引入Google Fonts (Space Grotesk, Noto Sans)
- 主色调更新为#25c0f4 (cyan blue)
- 实现玻璃态效果和渐变背景
- 优化首页网格卡片布局和悬停动画
- 优化详情页双栏布局和渐变Logo光晕
- 优化管理员登录页，添加科技网格背景
- Flask-Admin后台完整深色主题
- 统一Material Symbols图标系统
- 网站自动抓取功能界面优化

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

.claude/settings.local.json

@@ -0,0 +1,22 @@
+{
+  "permissions": {
+    "allow": [
+      "Bash(if [ -d \".git\" ])",
+      "Bash(then echo \"Git repository exists\")",
+      "Bash(else echo \"No git repository\")",
+      "Bash(fi)",
+      "Bash(python:*)",
+      "Bash(python3:*)",
+      "Bash(py test_db.py:*)",
+      "Bash(where:*)",
+      "Bash(/c/Users/linha/AppData/Local/Microsoft/WindowsApps/python test_db.py)",
+      "Bash(pip install:*)",
+      "Bash(pip uninstall:*)",
+      "Bash(tasklist:*)",
+      "Bash(findstr:*)",
+      "Bash(dir:*)",
+      "Bash(git init:*)",
+      "Bash(git add:*)"
+    ]
+  }
+}