diff --git a/templates/compare.html b/templates/compare.html
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+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>ParamHub - 参数百科</title>
+    <link rel="icon" type="image/svg+xml" href="/static/favicon.svg">
+    <script src="https://cdn.tailwindcss.com"></script>
+    <link href="https://cdn.jsdelivr.net/npm/remixicon@3.5.0/fonts/remixicon.css" rel="stylesheet">
+</head>
+<body class="bg-gray-50 min-h-screen">
+    <!-- 导航栏 -->
+    <nav class="bg-white shadow-sm sticky top-0 z-50">
+        <div class="max-w-7xl mx-auto px-4 py-3 flex justify-between items-center">
+            <a href="/" class="flex items-center gap-2">
+                <i class="ri-dashboard-3-line text-2xl text-indigo-600"></i>
+                <span class="text-xl font-bold text-gray-800">ParamHub</span>
+            </a>
+            <div class="flex gap-4 text-sm" id="topNav">
+                <!-- 动态加载 -->
+            </div>
+        </div>
+    </nav>
+
+    <main class="max-w-7xl mx-auto px-4 py-8">
+        <div class="mb-6">
+            <h1 class="text-2xl font-bold text-gray-800 flex items-center gap-2">
+                <i class="ri-git-merge-line text-purple-600"></i>
+                对比工具
+            </h1>
+            <p class="text-gray-500 mt-1">多维度对比模型或硬件参数</p>
+        </div>
+
+        <!-- 对比类型选择 -->
+        <div class="bg-white rounded-xl shadow-sm p-4 mb-6">
+            <div class="flex gap-4">
+                <button onclick="setCompareType('model')" id="btnModel" class="px-4 py-2 bg-indigo-600 text-white rounded-lg">
+                    <i class="ri-robot-line mr-2"></i>模型对比
+                </button>
+                <button onclick="setCompareType('gpu')" id="btnGpu" class="px-4 py-2 bg-gray-200 text-gray-600 rounded-lg hover:bg-gray-300">
+                    <i class="ri-cpu-line mr-2"></i>GPU对比
+                </button>
+                <button onclick="setCompareType('cpu')" id="btnCpu" class="px-4 py-2 bg-gray-200 text-gray-600 rounded-lg hover:bg-gray-300">
+                    <i class="ri-cpu-line mr-2"></i>CPU对比
+                </button>
+            </div>
+        </div>
+
+        <!-- 选择列表 -->
+        <div class="grid grid-cols-2 gap-4 mb-6">
+            <div class="bg-white rounded-xl shadow-sm p-4">
+                <label class="text-sm font-medium text-gray-600 mb-2 block">选择第一项</label>
+                <select id="select1" class="w-full px-4 py-2 border border-gray-200 rounded-lg" onchange="compare()">
+                    <option value="">请选择...</option>
+                </select>
+            </div>
+            <div class="bg-white rounded-xl shadow-sm p-4">
+                <label class="text-sm font-medium text-gray-600 mb-2 block">选择第二项</label>
+                <select id="select2" class="w-full px-4 py-2 border border-gray-200 rounded-lg" onchange="compare()">
+                    <option value="">请选择...</option>
+                </select>
+            </div>
+        </div>
+
+        <!-- 对比结果 -->
+        <div id="compareResult" class="bg-white rounded-xl shadow-sm p-6 hidden">
+            <h2 class="text-lg font-semibold text-gray-800 mb-4">对比结果</h2>
+            <div id="compareTable"></div>
+        </div>
+    </main>
+
+    <script>
+        let categories = [];
+
+        // 加载导航栏
+        async function loadNav() {
+            const res = await fetch('/api/categories');
+            categories = await res.json();
+
+            const builtinPages = [
+                {name: '首页', href: '/'},
+                {name: '工具', href: '/tools'},
+                {name: '对比', href: '/compare'},
+                {name: '知识库', href: '/knowledge'}
+            ];
+
+            const categoryPages = {
+                'ai-models': '/models',
+                'gpus': '/gpus',
+                'cpus': '/cpus'
+            };
+
+            let navHtml = '';
+            builtinPages.forEach(p => {
+                const isActive = window.location.pathname === p.href;
+                navHtml += `<a href="${p.href}" class="${isActive ? 'text-indigo-600 font-medium' : 'text-gray-600 hover:text-indigo-600'}">${p.name}</a>`;
+            });
+
+            categories.forEach(cat => {
+                const href = categoryPages[cat.id] || `/category/${cat.id}`;
+                const isActive = window.location.pathname === href;
+                navHtml += `<a href="${href}" class="${isActive ? 'text-indigo-600 font-medium' : 'text-gray-600 hover:text-indigo-600'}">${cat.name}</a>`;
+            });
+
+            document.getElementById('topNav').innerHTML = navHtml;
+        }
+let compareType = 'model';
+        let allData = [];
+
+        async function setCompareType(type) {
+            compareType = type;
+            
+            // 更新按钮样式
+            document.getElementById('btnModel').className = type === 'model' 
+                ? 'px-4 py-2 bg-indigo-600 text-white rounded-lg' 
+                : 'px-4 py-2 bg-gray-200 text-gray-600 rounded-lg hover:bg-gray-300';
+            document.getElementById('btnGpu').className = type === 'gpu' 
+                ? 'px-4 py-2 bg-green-600 text-white rounded-lg' 
+                : 'px-4 py-2 bg-gray-200 text-gray-600 rounded-lg hover:bg-gray-300';
+            document.getElementById('btnCpu').className = type === 'cpu' 
+                ? 'px-4 py-2 bg-purple-600 text-white rounded-lg' 
+                : 'px-4 py-2 bg-gray-200 text-gray-600 rounded-lg hover:bg-gray-300';
+            
+            // 加载数据
+            const res = await fetch(`/api/${type}s`);
+            allData = await res.json();
+            
+            // 填充下拉框
+            const select1 = document.getElementById('select1');
+            const select2 = document.getElementById('select2');
+            
+            select1.innerHTML = '<option value="">请选择...</option>' + 
+                allData.map(d => `<option value="${d.id}">${d.name}</option>`).join('');
+            select2.innerHTML = '<option value="">请选择...</option>' + 
+                allData.map(d => `<option value="${d.id}">${d.name}</option>`).join('');
+            
+            document.getElementById('compareResult').classList.add('hidden');
+        }
+
+        async function compare() {
+            const id1 = document.getElementById('select1').value;
+            const id2 = document.getElementById('select2').value;
+            
+            if (!id1 || !id2) {
+                document.getElementById('compareResult').classList.add('hidden');
+                return;
+            }
+            
+            const res1 = await fetch(`/api/${compareType}s/${id1}`);
+            const res2 = await fetch(`/api/${compareType}s/${id2}`);
+            
+            const item1 = await res1.json();
+            const item2 = await res2.json();
+            
+            let fields = [];
+            if (compareType === 'model') {
+                fields = [
+                    { key: 'name', label: '名称' },
+                    { key: 'organization', label: '厂商' },
+                    { key: 'parameters', label: '参数量(B)', unit: 'B' },
+                    { key: 'context_length', label: '上下文长度' },
+                    { key: 'mmlu', label: 'MMLU分数', unit: '%' },
+                    { key: 'humaneval', label: 'HumanEval', unit: '%' },
+                    { key: 'is_open_source', label: '类型', format: v => v ? '开源' : '商业' },
+                    { key: 'input_price', label: '输入价格', unit: '$/1K' },
+                    { key: 'output_price', label: '输出价格', unit: '$/1K' },
+                ];
+            } else if (compareType === 'gpu') {
+                fields = [
+                    { key: 'name', label: '名称' },
+                    { key: 'manufacturer', label: '厂商' },
+                    { key: 'architecture', label: '架构' },
+                    { key: 'memory_gb', label: '显存', unit: 'GB' },
+                    { key: 'cuda_cores', label: 'CUDA核心' },
+                    { key: 'fp16_tflops', label: 'FP16性能', unit: 'TF' },
+                    { key: 'price_usd', label: '价格', unit: '$' },
+                ];
+            } else {
+                fields = [
+                    { key: 'name', label: '名称' },
+                    { key: 'manufacturer', label: '厂商' },
+                    { key: 'cores', label: '核心数' },
+                    { key: 'threads', label: '线程数' },
+                    { key: 'base_clock_ghz', label: '基础频率', unit: 'GHz' },
+                    { key: 'boost_clock_ghz', label: '加速频率', unit: 'GHz' },
+                    { key: 'l3_cache_mb', label: 'L3缓存', unit: 'MB' },
+                    { key: 'tdp_watts', label: 'TDP', unit: 'W' },
+                    { key: 'price_usd', label: '价格', unit: '$' },
+                ];
+            }
+            
+            const html = `
+                <table class="w-full">
+                    <thead class="bg-gray-50">
+                        <tr>
+                            <th class="px-4 py-2 text-left text-sm font-medium text-gray-600">参数</th>
+                            <th class="px-4 py-2 text-center text-sm font-medium text-gray-600">${item1.name}</th>
+                            <th class="px-4 py-2 text-center text-sm font-medium text-gray-600">${item2.name}</th>
+                            <th class="px-4 py-2 text-center text-sm font-medium text-gray-600">差异</th>
+                        </tr>
+                    </thead>
+                    <tbody class="divide-y">
+                        ${fields.map(f => {
+                            const v1 = item1[f.key] || '-';
+                            const v2 = item2[f.key] || '-';
+                            const fv1 = f.format ? f.format(v1) : (v1 + (f.unit && typeof v1 === 'number' ? f.unit : ''));
+                            const fv2 = f.format ? f.format(v2) : (v2 + (f.unit && typeof v2 === 'number' ? f.unit : ''));
+                            
+                            let diff = '';
+                            if (typeof v1 === 'number' && typeof v2 === 'number') {
+                                const d = v2 - v1;
+                                diff = d > 0 ? `<span class="text-green-600">+${d}${f.unit || ''}</span>` : 
+                                       d < 0 ? `<span class="text-red-600">${d}${f.unit || ''}</span>` : '-';
+                            }
+                            
+                            return `
+                                <tr>
+                                    <td class="px-4 py-2 text-gray-600">${f.label}</td>
+                                    <td class="px-4 py-2 text-center font-medium">${fv1}</td>
+                                    <td class="px-4 py-2 text-center font-medium">${fv2}</td>
+                                    <td class="px-4 py-2 text-center">${diff}</td>
+                                </tr>
+                            `;
+                        }).join('')}
+                    </tbody>
+                </table>
+            `;
+            
+            document.getElementById('compareTable').innerHTML = html;
+            document.getElementById('compareResult').classList.remove('hidden');
+        }
+
+        // 初始化
+        loadNav();
+        setCompareType('model');
+    </script>
+</body>
+</html>
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