� REDESIGN: Update Landing page to match design mockup

✨ Changes:
- Replace EdgeLLM logo with Huoxu circular logo (gradient purple)
- Remove 'Get Started with EdgeLLM' section for cleaner design
- Simplify layout to match provided design exactly
- Update both header and footer logos consistently
- Remove unused icon imports (Brain, Settings, MessageSquare, Layers)

� Result: Landing page now perfectly matches the provided design mockup
- Huoxu logo in header and footer
- Clean 3-card layout (Always Available, Privacy & Security, Reliability)
- Proper 'Need help? Contact us...' footer message

frontend/src/pages/Landing.tsx

@@ -4,11 +4,7 @@ import {
   Clock, 
   Shield, 
   Zap, 
-  Menu,
-  Brain,
-  Settings,
-  MessageSquare,
-  Layers
+  Menu
 } from 'lucide-react'
 
 export function Landing() {
@@ -22,16 +18,9 @@ export function Landing() {
           <div className="flex justify-between items-center h-20">
             {/* Logo */}
             <div className="flex items-center">
-              <img 
-                src="/assets/logo.png" 
-                alt="EdgeLLM Logo" 
-                className="h-16 w-16"
-                onError={(e) => {
-                  // Fallback if logo doesn't load
-                  console.error('Logo failed to load')
-                  e.currentTarget.style.display = 'none'
-                }}
-              />
+              <div className="w-16 h-16 bg-gradient-to-br from-purple-400 to-purple-600 rounded-full flex items-center justify-center">
+                <span className="text-white font-bold text-lg">Huoxu</span>
+              </div>
             </div>
 
             {/* Navigation Links */}
@@ -159,62 +148,14 @@ export function Landing() {
         </div>
       </div>
 
-      {/* Quick Access Section */}
-      <div className="py-16 px-4 sm:px-6 lg:px-8 bg-gray-50">
-        <div className="max-w-4xl mx-auto text-center">
-          <h2 className="text-3xl font-bold text-gray-900 mb-8">
-            Get Started with EdgeLLM
-          </h2>
-          <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-6">
-            <Button
-              variant="outline"
-              className="h-24 flex flex-col items-center justify-center gap-2 border-2 hover:border-purple-600 hover:bg-purple-50"
-              onClick={() => navigate('/templates')}
-            >
-              <Brain className="h-6 w-6 text-purple-600" />
-              <span className="font-medium">AI Templates</span>
-            </Button>
-            <Button
-              variant="outline"
-              className="h-24 flex flex-col items-center justify-center gap-2 border-2 hover:border-purple-600 hover:bg-purple-50"
-              onClick={() => navigate('/playground')}
-            >
-              <MessageSquare className="h-6 w-6 text-purple-600" />
-              <span className="font-medium">Playground</span>
-            </Button>
-            <Button
-              variant="outline"
-              className="h-24 flex flex-col items-center justify-center gap-2 border-2 hover:border-purple-600 hover:bg-purple-50"
-              onClick={() => navigate('/models')}
-            >
-              <Layers className="h-6 w-6 text-purple-600" />
-              <span className="font-medium">Models</span>
-            </Button>
-            <Button
-              variant="outline"
-              className="h-24 flex flex-col items-center justify-center gap-2 border-2 hover:border-purple-600 hover:bg-purple-50"
-              onClick={() => navigate('/settings')}
-            >
-              <Settings className="h-6 w-6 text-purple-600" />
-              <span className="font-medium">Settings</span>
-            </Button>
-          </div>
-        </div>
-      </div>
 
       {/* Footer */}
       <footer className="bg-gray-900 text-white py-12 px-4 sm:px-6 lg:px-8">
         <div className="max-w-6xl mx-auto text-center">
           <div className="flex items-center justify-center mb-4">
-            <img 
-              src="/assets/logo.png" 
-              alt="EdgeLLM Logo" 
-              className="h-12 w-12"
-              onError={(e) => {
-                console.error('Footer logo failed to load')
-                e.currentTarget.style.display = 'none'
-              }}
-            />
+            <div className="w-12 h-12 bg-gradient-to-br from-purple-400 to-purple-600 rounded-full flex items-center justify-center">
+              <span className="text-white font-bold text-sm">Huoxu</span>
+            </div>
           </div>
           <p className="text-gray-400 mb-6">
             Need help? Contact us to get customized device and services