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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>算法可视化工具 - 直观理解算法原理</title>
<!-- Tailwind CSS -->
<script src="https://cdn.tailwindcss.com"></script>
<!-- Google Fonts -->
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700;900&family=JetBrains+Mono:wght@400;500;600&display=swap" rel="stylesheet">
<!-- Core Libraries -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/animejs/3.2.1/anime.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/echarts@5.4.3/dist/echarts.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.7.0/p5.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/@splidejs/splide@4.1.4/dist/js/splide.min.js"></script>
<link href="https://cdn.jsdelivr.net/npm/@splidejs/splide@4.1.4/dist/css/splide.min.css" rel="stylesheet">
<style>
:root {
--bg-primary: #1a1a2e;
--bg-secondary: #16213e;
--accent-cyan: #00d4ff;
--accent-orange: #ff6b35;
--accent-green: #4ecdc4;
--text-primary: #e0e0e0;
--text-secondary: #b0b0b0;
}
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: 'Noto Sans SC', sans-serif;
background: var(--bg-primary);
color: var(--text-primary);
overflow-x: hidden;
}
.hero-bg {
background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
position: relative;
overflow: hidden;
}
.hero-bg::before {
content: '';
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: url('./resources/hero-bg.jpg') center/cover;
opacity: 0.3;
z-index: 0;
}
.hero-content {
position: relative;
z-index: 1;
}
.gradient-text {
background: linear-gradient(135deg, var(--accent-cyan), var(--accent-green));
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
}
.card-hover {
transition: all 0.3s ease;
cursor: pointer;
}
.card-hover:hover {
transform: translateY(-8px) rotateX(5deg);
box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}
.glow-effect {
box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}
.floating-animation {
animation: float 6s ease-in-out infinite;
}
@keyframes float {
0%, 100% { transform: translateY(0px); }
50% { transform: translateY(-20px); }
}
.code-font {
font-family: 'JetBrains Mono', monospace;
}
.nav-link {
position: relative;
transition: color 0.3s ease;
}
.nav-link::after {
content: '';
position: absolute;
bottom: -4px;
left: 0;
width: 0;
height: 2px;
background: var(--accent-cyan);
transition: width 0.3s ease;
}
.nav-link:hover::after {
width: 100%;
}
.feature-icon {
width: 60px;
height: 60px;
background: linear-gradient(135deg, var(--accent-cyan), var(--accent-green));
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
font-size: 24px;
margin-bottom: 16px;
}
.stats-number {
font-size: 2.5rem;
font-weight: 900;
color: var(--accent-cyan);
}
</style>
</head>
<body>
<!-- Navigation -->
<nav class="fixed top-0 left-0 right-0 z-50 bg-gray-900/90 backdrop-blur-md border-b border-gray-800">
<div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
<div class="flex items-center justify-between h-16">
<div class="flex items-center space-x-2">
<div class="w-8 h-8 bg-gradient-to-r from-cyan-400 to-green-400 rounded-lg flex items-center justify-center">
<span class="text-white font-bold text-sm">AV</span>
</div>
<span class="text-xl font-bold gradient-text">算法可视化</span>
</div>
<div class="hidden md:flex items-center space-x-8">
<a href="#home" class="nav-link text-gray-300 hover:text-white">首页</a>
<a href="sorting.html" class="nav-link text-gray-300 hover:text-white">排序算法</a>
<a href="search.html" class="nav-link text-gray-300 hover:text-white">搜索算法</a>
<a href="graph.html" class="nav-link text-gray-300 hover:text-white">图论算法</a>
<a href="dp.html" class="nav-link text-gray-300 hover:text-white">动态规划</a>
<a href="string.html" class="nav-link text-gray-300 hover:text-white">字符串算法</a>
<a href="greedy.html" class="nav-link text-gray-300 hover:text-white">贪心算法</a>
</div>
<button class="md:hidden text-gray-300 hover:text-white">
<svg class="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 6h16M4 12h16M4 18h16"></path>
</svg>
</button>
</div>
</div>
</nav>
<!-- Hero Section -->
<section id="home" class="hero-bg min-h-screen flex items-center pt-16">
<div class="hero-content max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-20">
<div class="grid lg:grid-cols-2 gap-12 items-center">
<div class="space-y-8">
<div class="space-y-4">
<h1 class="text-5xl lg:text-6xl font-black leading-tight">
<span class="gradient-text">算法可视化</span>
<br>
<span class="text-white">让编程更直观</span>
</h1>
<p class="text-xl text-gray-300 leading-relaxed max-w-2xl">
通过交互式动画和实时可视化，深入理解排序、搜索、图论等核心算法的工作原理。适合学生、教师和开发者的专业学习工具。
</p>
</div>
<div class="flex flex-col sm:flex-row gap-4">
<button onclick="scrollToSection('algorithms')" class="px-8 py-4 bg-gradient-to-r from-cyan-500 to-green-500 text-white font-semibold rounded-lg hover:from-cyan-600 hover:to-green-600 transform hover:scale-105 transition-all duration-300 glow-effect">
开始探索
</button>
<button onclick="window.open('https://github.com', '_blank')" class="px-8 py-4 border-2 border-cyan-500 text-cyan-500 font-semibold rounded-lg hover:bg-cyan-500 hover:text-white transition-all duration-300">
查看源码
</button>
</div>
<div class="flex items-center space-x-8 pt-4">
<div class="text-center">
<div class="stats-number">10+</div>
<div class="text-gray-400">算法类型</div>
</div>
<div class="text-center">
<div class="stats-number">实时</div>
<div class="text-gray-400">可视化</div>
</div>
<div class="text-center">
<div class="stats-number">交互</div>
<div class="text-gray-400">学习</div>
</div>
</div>
</div>
<div class="relative">
<div class="floating-animation">
<img src="./resources/coding-theme.png" alt="算法可视化" class="w-full h-auto rounded-2xl shadow-2xl">
</div>
<div class="absolute inset-0 bg-gradient-to-r from-cyan-500/20 to-green-500/20 rounded-2xl blur-3xl"></div>
</div>
</div>
</div>
</section>
<!-- Algorithm Categories -->
<section id="algorithms" class="py-20 bg-gray-900/50">
<div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
<div class="text-center mb-16">
<h2 class="text-4xl font-black gradient-text mb-4">算法分类</h2>
<p class="text-xl text-gray-300 max-w-3xl mx-auto">
选择你感兴趣的算法类型，开始深入学习之旅
</p>
</div>
<div class="grid md:grid-cols-2 lg:grid-cols-4 gap-8">
<!-- Sorting Algorithms -->
<div class="card-hover bg-gray-800/50 backdrop-blur-sm rounded-2xl p-8 border border-gray-700" onclick="window.location.href='sorting.html'">
<div class="feature-icon">
<svg class="w-8 h-8 text-white" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M7 16V4m0 0L3 8m4-4l4 4m6 0v12m0 0l4-4m-4 4l-4-4"></path>
</svg>
</div>
<h3 class="text-2xl font-bold mb-4">排序算法</h3>
<p class="text-gray-400 mb-6">
冒泡排序、快速排序、归并排序等经典排序算法的可视化演示
</p>
<div class="flex items-center text-cyan-400 font-semibold">
<span>开始学习</span>
<svg class="w-4 h-4 ml-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path>
</svg>
</div>
</div>
<!-- Search Algorithms -->
<div class="card-hover bg-gray-800/50 backdrop-blur-sm rounded-2xl p-8 border border-gray-700" onclick="window.location.href='search.html'">
<div class="feature-icon">
<svg class="w-8 h-8 text-white" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z"></path>
</svg>
</div>
<h3 class="text-2xl font-bold mb-4">搜索算法</h3>
<p class="text-gray-400 mb-6">
线性搜索、二分搜索等搜索算法的原理和性能对比
</p>
<div class="flex items-center text-cyan-400 font-semibold">
<span>开始学习</span>
<svg class="w-4 h-4 ml-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path>
</svg>
</div>
</div>
<!-- Graph Algorithms -->
<div class="card-hover bg-gray-800/50 backdrop-blur-sm rounded-2xl p-8 border border-gray-700" onclick="window.location.href='graph.html'">
<div class="feature-icon">
<svg class="w-8 h-8 text-white" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 11H5m14 0a2 2 0 012 2v6a2 2 0 01-2 2H5a2 2 0 01-2-2v-6a2 2 0 012-2m14 0V9a2 2 0 00-2-2M5 11V9a2 2 0 012-2m0 0V5a2 2 0 012-2h6a2 2 0 012 2v2M7 7h10"></path>
</svg>
</div>
<h3 class="text-2xl font-bold mb-4">图论算法</h3>
<p class="text-gray-400 mb-6">
BFS、DFS、最短路径等图论算法的可视化学习
</p>
<div class="flex items-center text-cyan-400 font-semibold">
<span>开始学习</span>
<svg class="w-4 h-4 ml-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path>
</svg>
</div>
</div>
<!-- Dynamic Programming -->
<div class="card-hover bg-gray-800/50 backdrop-blur-sm rounded-2xl p-8 border border-gray-700" onclick="window.location.href='dp.html'">
<div class="feature-icon">
<svg class="w-8 h-8 text-white" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 19v-6a2 2 0 00-2-2H5a2 2 0 00-2 2v6a2 2 0 002 2h2a2 2 0 002-2zm0 0V9a2 2 0 012-2h2a2 2 0 012 2v10m-6 0a2 2 0 002 2h2a2 2 0 002-2m0 0V5a2 2 0 012-2h2a2 2 0 012 2v14a2 2 0 01-2 2h-2a2 2 0 01-2-2z"></path>
</svg>
</div>
<h3 class="text-2xl font-bold mb-4">动态规划</h3>
<p class="text-gray-400 mb-6">
斐波那契数列、背包问题、最长公共子序列等动态规划经典问题
</p>
<div class="flex items-center text-cyan-400 font-semibold">
<span>开始学习</span>
<svg class="w-4 h-4 ml-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"></path>
</svg>
</div>
</div>
</div>
</div>
</section>
<!-- Features Section -->
<section class="py-20">
<div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
<div class="text-center mb-16">
<h2 class="text-4xl font-black gradient-text mb-4">核心特性</h2>
<p class="text-xl text-gray-300 max-w-3xl mx-auto">
专业的算法学习工具，让复杂的算法变得简单易懂
</p>
</div>
<div class="grid lg:grid-cols-3 gap-12">
<div class="text-center space-y-6">
<div class="w-20 h-20 bg-gradient-to-r from-cyan-500 to-green-500 rounded-3xl flex items-center justify-center mx-auto">
<svg class="w-10 h-10 text-white" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M13 10V3L4 14h7v7l9-11h-7z"></path>
</svg>
</div>
<h3 class="text-2xl font-bold">实时可视化</h3>
<p class="text-gray-400 leading-relaxed">
每一步算法执行都有对应的动画展示，让你看到数据是如何变化的，真正理解算法的执行过程。
</p>
</div>
<div class="text-center space-y-6">
<div class="w-20 h-20 bg-gradient-to-r from-orange-500 to-red-500 rounded-3xl flex items-center justify-center mx-auto">
<svg class="w-10 h-10 text-white" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 6V4m0 2a2 2 0 100 4m0-4a2 2 0 110 4m-6 8a2 2 0 100-4m0 4a2 2 0 110-4m0 4v2m0-6V4m6 6v10m6-2a2 2 0 100-4m0 4a2 2 0 110-4m0 4v2m0-6V4"></path>
</svg>
</div>
<h3 class="text-2xl font-bold">交互式控制</h3>
<p class="text-gray-400 leading-relaxed">
自由调整算法执行速度，随时暂停、重置，还可以自定义输入数据，完全掌控学习节奏。
</p>
</div>
<div class="text-center space-y-6">
<div class="w-20 h-20 bg-gradient-to-r from-purple-500 to-pink-500 rounded-3xl flex items-center justify-center mx-auto">
<svg class="w-10 h-10 text-white" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 19v-6a2 2 0 00-2-2H5a2 2 0 00-2 2v6a2 2 0 002 2h2a2 2 0 002-2zm0 0V9a2 2 0 012-2h2a2 2 0 012 2v10m-6 0a2 2 0 002 2h2a2 2 0 002-2m0 0V5a2 2 0 012-2h2a2 2 0 012 2v14a2 2 0 01-2 2h-2a2 2 0 01-2-2z"></path>
</svg>
</div>
<h3 class="text-2xl font-bold">性能分析</h3>
<p class="text-gray-400 leading-relaxed">
实时显示算法的时间复杂度、空间复杂度，以及各种操作的具体次数，深入理解算法效率。
</p>
</div>
</div>
</div>
</section>
<!-- Demo Section -->
<section class="py-20 bg-gray-900/50">
<div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
<div class="text-center mb-16">
<h2 class="text-4xl font-black gradient-text mb-4">算法演示</h2>
<p class="text-xl text-gray-300">
看看算法可视化是如何工作的
</p>
</div>
<div class="grid lg:grid-cols-2 gap-12 items-center">
<div>
<h3 class="text-3xl font-bold mb-6">冒泡排序演示</h3>
<p class="text-gray-300 mb-8 leading-relaxed">
通过动画直观地看到冒泡排序的工作原理：相邻元素两两比较，大的元素逐渐"冒泡"到数组末尾。每次比较和交换都有清晰的视觉反馈。
</p>
<div class="space-y-4">
<div class="flex items-center space-x-4">
<div class="w-4 h-4 bg-cyan-500 rounded-full"></div>
<span class="text-gray-300">当前比较的元素</span>
</div>
<div class="flex items-center space-x-4">
<div class="w-4 h-4 bg-green-500 rounded-full"></div>
<span class="text-gray-300">已排序的元素</span>
</div>
<div class="flex items-center space-x-4">
<div class="w-4 h-4 bg-orange-500 rounded-full"></div>
<span class="text-gray-300">正在交换的元素</span>
</div>
</div>
</div>
<div class="relative">
<img src="./resources/sorting-animation.png" alt="排序算法演示" class="w-full h-auto rounded-2xl shadow-2xl">
<div class="absolute inset-0 bg-gradient-to-r from-cyan-500/10 to-green-500/10 rounded-2xl"></div>
</div>
</div>
</div>
</section>
<!-- Footer -->
<footer class="bg-gray-900 border-t border-gray-800 py-12">
<div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
<div class="text-center">
<div class="flex items-center justify-center space-x-2 mb-4">
<div class="w-8 h-8 bg-gradient-to-r from-cyan-400 to-green-400 rounded-lg flex items-center justify-center">
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