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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>DiffRhythm - AI Music Generation</title>
    <script src="https://cdn.tailwindcss.com"></script>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
    <style>
        @import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');
        
        body {
            font-family: 'Poppins', sans-serif;
            background-color: #f8fafc;
            color: #1e293b;
        }
        
        .gradient-bg {
            background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
        }
        
        .music-wave {
            position: relative;
            height: 100px;
            overflow: hidden;
        }
        
        .wave-bar {
            position: absolute;
            bottom: 0;
            width: 4px;
            background-color: rgba(255, 255, 255, 0.7);
            animation: wave 1.5s infinite ease-in-out;
            transform-origin: bottom;
        }
        
        @keyframes wave {
            0%, 100% {
                transform: scaleY(0.3);
            }
            50% {
                transform: scaleY(1);
            }
        }
        
        .song-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        
        .progress-bar {
            height: 4px;
            background-color: #e2e8f0;
            border-radius: 2px;
        }
        
        .progress-fill {
            height: 100%;
            background-color: #6366f1;
            border-radius: 2px;
            transition: width 0.3s ease;
        }

        .huggingface-card {
            transition: all 0.3s ease;
            border: 2px solid transparent;
        }

        .huggingface-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
            border-color: #FFD21E;
        }

        .repo-stats {
            display: flex;
            gap: 15px;
            margin-top: 15px;
        }

        .repo-stat {
            display: flex;
            align-items: center;
            gap: 5px;
            font-size: 14px;
            color: #6b7280;
        }
    </style>
</head>
<body>
    <!-- Navigation -->
    <nav class="gradient-bg text-white shadow-lg">
        <div class="container mx-auto px-4 py-4">
            <div class="flex justify-between items-center">
                <div class="flex items-center space-x-2">
                    <i class="fas fa-music text-2xl"></i>
                    <span class="text-xl font-bold">DiffRhythm</span>
                </div>
                <div class="hidden md:flex space-x-6">
                    <a href="#features" class="hover:text-purple-200 transition">Features</a>
                    <a href="#technology" class="hover:text-purple-200 transition">Technology</a>
                    <a href="#demo" class="hover:text-purple-200 transition">Demo</a>
                    <a href="#huggingface" class="hover:text-purple-200 transition">Hugging Face</a>
                    <a href="#resources" class="hover:text-purple-200 transition">Resources</a>
                </div>
                <button class="md:hidden text-xl">
                    <i class="fas fa-bars"></i>
                </button>
            </div>
        </div>
    </nav>

    <!-- Hero Section -->
    <section class="gradient-bg text-white py-16">
        <div class="container mx-auto px-4 flex flex-col md:flex-row items-center">
            <div class="md:w-1/2 mb-10 md:mb-0">
                <h1 class="text-4xl md:text-5xl font-bold mb-4">Revolutionizing Music Creation with AI</h1>
                <p class="text-xl mb-8">Generate complete, professional-quality songs with synchronized vocals and instrumentals in just seconds.</p>
                <div class="flex flex-col sm:flex-row space-y-4 sm:space-y-0 sm:space-x-4">
                    <button class="bg-white text-purple-600 px-6 py-3 rounded-lg font-semibold hover:bg-purple-100 transition">
                        <i class="fas fa-play mr-2"></i> Try Demo
                    </button>
                    <button onclick="window.open('https://huggingface.co/spaces/ASLP-lab/DiffRhythm/tree/main', '_blank')" class="border border-white text-white px-6 py-3 rounded-lg font-semibold hover:bg-white hover:bg-opacity-10 transition">
                        <i class="fas fa-external-link-alt mr-2"></i> Hugging Face
                    </button>
                </div>
            </div>
            <div class="md:w-1/2 relative">
                <div class="music-wave flex justify-center items-end h-40">
                    <!-- Dynamic wave bars will be inserted here by JavaScript -->
                </div>
                <div class="bg-white bg-opacity-10 backdrop-blur-lg rounded-xl p-6 mt-8 max-w-md mx-auto">
                    <div class="flex items-center mb-4">
                        <div class="w-12 h-12 bg-purple-200 rounded-lg flex items-center justify-center">
                            <i class="fas fa-music text-purple-600 text-xl"></i>
                        </div>
                        <div class="ml-4">
                            <h3 class="font-semibold">AI Generated Song</h3>
                            <p class="text-sm text-purple-200">DiffRhythm • 3:42</p>
                        </div>
                    </div>
                    <div class="progress-bar mb-2">
                        <div class="progress-fill w-1/3"></div>
                    </div>
                    <div class="flex justify-between text-xs text-purple-200 mb-4">
                        <span>1:12</span>
                        <span>3:42</span>
                    </div>
                    <div class="flex justify-center space-x-6">
                        <button class="text-white hover:text-purple-200">
                            <i class="fas fa-step-backward text-xl"></i>
                        </button>
                        <button class="bg-white text-purple-600 w-10 h-10 rounded-full flex items-center justify-center hover:bg-purple-100">
                            <i class="fas fa-play"></i>
                        </button>
                        <button class="text-white hover:text-purple-200">
                            <i class="fas fa-step-forward text-xl"></i>
                        </button>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Stats Section -->
    <section class="bg-white py-12">
        <div class="container mx-auto px-4">
            <div class="grid grid-cols-2 md:grid-cols-4 gap-8 text-center">
                <div class="p-6 rounded-lg bg-gray-50">
                    <div class="text-3xl font-bold text-purple-600 mb-2">10s</div>
                    <div class="text-gray-600">Generation Time</div>
                </div>
                <div class="p-6 rounded-lg bg-gray-50">
                    <div class="text-3xl font-bold text-purple-600 mb-2">4:45</div>
                    <div class="text-gray-600">Max Song Length</div>
                </div>
                <div class="p-6 rounded-lg bg-gray-50">
                    <div class="text-3xl font-bold text-purple-600 mb-2">60k+</div>
                    <div class="text-gray-600">Training Hours</div>
                </div>
                <div class="p-6 rounded-lg bg-gray-50">
                    <div class="text-3xl font-bold text-purple-600 mb-2">2</div>
                    <div class="text-gray-600">Languages Supported</div>
                </div>
            </div>
        </div>
    </section>

    <!-- Features Section -->
    <section id="features" class="py-16 bg-gray-50">
        <div class="container mx-auto px-4">
            <h2 class="text-3xl font-bold text-center mb-12">Key Features</h2>
            <div class="grid md:grid-cols-3 gap-8">
                <div class="bg-white p-8 rounded-xl shadow-md hover:shadow-lg transition">
                    <div class="w-14 h-14 bg-purple-100 rounded-lg flex items-center justify-center mb-4">
                        <i class="fas fa-bolt text-purple-600 text-xl"></i>
                    </div>
                    <h3 class="text-xl font-semibold mb-2">Blazing Fast Generation</h3>
                    <p class="text-gray-600">Create complete songs up to 4 minutes and 45 seconds long in just 10 seconds, transforming the music creation process.</p>
                </div>
                <div class="bg-white p-8 rounded-xl shadow-md hover:shadow-lg transition">
                    <div class="w-14 h-14 bg-purple-100 rounded-lg flex items-center justify-center mb-4">
                        <i class="fas fa-globe text-purple-600 text-xl"></i>
                    </div>
                    <h3 class="text-xl font-semibold mb-2">Multi-Language Support</h3>
                    <p class="text-gray-600">Generate songs in both English and Chinese with natural pronunciation and appropriate musical styling.</p>
                </div>
                <div class="bg-white p-8 rounded-xl shadow-md hover:shadow-lg transition">
                    <div class="w-14 h-14 bg-purple-100 rounded-lg flex items-center justify-center mb-4">
                        <i class="fas fa-star text-purple-600 text-xl"></i>
                    </div>
                    <h3 class="text-xl font-semibold mb-2">Professional Quality</h3>
                    <p class="text-gray-600">High-quality output with perfect synchronization between vocals and accompaniment, maintaining musical coherence.</p>
                </div>
            </div>
        </div>
    </section>

    <!-- Technology Section -->
    <section id="technology" class="py-16 bg-white">
        <div class="container mx-auto px-4">
            <h2 class="text-3xl font-bold text-center mb-12">Technical Innovation</h2>
            <div class="flex flex-col md:flex-row items-center">
                <div class="md:w-1/2 mb-8 md:mb-0">
                    <img src="https://via.placeholder.com/600x400" alt="DiffRhythm Architecture" class="rounded-lg shadow-lg w-full">
                </div>
                <div class="md:w-1/2 md:pl-12">
                    <div class="mb-8">
                        <h3 class="text-xl font-semibold mb-2 flex items-center">
                            <span class="w-8 h-8 bg-purple-600 text-white rounded-full flex items-center justify-center mr-3">1</span>
                            Latent Diffusion Approach
                        </h3>
                        <p class="text-gray-600">Utilizes a non-autoregressive structure for parallel audio content generation, significantly faster than language model-based methods.</p>
                    </div>
                    <div class="mb-8">
                        <h3 class="text-xl font-semibold mb-2 flex items-center">
                            <span class="w-8 h-8 bg-purple-600 text-white rounded-full flex items-center justify-center mr-3">2</span>
                            Two-Stage Architecture
                        </h3>
                        <p class="text-gray-600">Combines a Variational Autoencoder (VAE) for compact latent representations and a Diffusion Transformer (DiT) for song generation through iterative denoising.</p>
                    </div>
                    <div>
                        <h3 class="text-xl font-semibold mb-2 flex items-center">
                            <span class="w-8 h-8 bg-purple-600 text-white rounded-full flex items-center justify-center mr-3">3</span>
                            Lyrics Alignment
                        </h3>
                        <p class="text-gray-600">Novel mechanism ensures semantic correspondence between lyrics and vocals, maintaining high intelligibility in the final output.</p>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Demo Section -->
    <section id="demo" class="py-16 gradient-bg text-white">
        <div class="container mx-auto px-4">
            <h2 class="text-3xl font-bold text-center mb-12">Experience DiffRhythm</h2>
            <div class="max-w-4xl mx-auto bg-white bg-opacity-10 backdrop-blur-lg rounded-xl p-8">
                <div class="grid md:grid-cols-2 gap-8">
                    <div>
                        <h3 class="text-xl font-semibold mb-4">Generate Your Song</h3>
                        <div class="mb-4">
                            <label class="block text-purple-200 mb-2">Song Style</label>
                            <select class="w-full bg-white bg-opacity-20 border border-white border-opacity-30 rounded-lg px-4 py-2 text-white">
                                <option>Pop</option>
                                <option>Rock</option>
                                <option>Hip Hop</option>
                                <option>Electronic</option>
                                <option>R&B</option>
                            </select>
                        </div>
                        <div class="mb-4">
                            <label class="block text-purple-200 mb-2">Language</label>
                            <div class="flex space-x-4">
                                <button class="px-4 py-2 bg-white text-purple-600 rounded-lg font-medium">English</button>
                                <button class="px-4 py-2 bg-white bg-opacity-10 text-white rounded-lg font-medium">Chinese</button>
                            </div>
                        </div>
                        <div class="mb-4">
                            <label class="block text-purple-200 mb-2">Song Length</label>
                            <input type="range" min="30" max="285" value="180" class="w-full">
                            <div class="flex justify-between text-sm text-purple-200">
                                <span>30s</span>
                                <span>3:00</span>
                                <span>4:45</span>
                            </div>
                        </div>
                    </div>
                    <div>
                        <label class="block text-purple-200 mb-2">Enter Lyrics</label>
                        <textarea class="w-full h-40 bg-white bg-opacity-20 border border-white border-opacity-30 rounded-lg px-4 py-2 text-white" placeholder="Type your lyrics here..."></textarea>
                        <button class="w-full mt-4 bg-white text-purple-600 px-6 py-3 rounded-lg font-semibold hover:bg-purple-100 transition">
                            Generate Song
                        </button>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Hugging Face Section -->
    <section id="huggingface" class="py-16 bg-gray-50">
        <div class="container mx-auto px-4">
            <h2 class="text-3xl font-bold text-center mb-12">Hugging Face Repository</h2>
            <div class="max-w-4xl mx-auto">
                <div class="huggingface-card bg-white p-8 rounded-xl shadow-md">
                    <div class="flex flex-col md:flex-row items-start">
                        <div class="md:w-1/3 mb-6 md:mb-0 flex justify-center">
                            <img src="https://huggingface.co/front/assets/huggingface_logo-noborder.svg" alt="Hugging Face Logo" class="h-20">
                        </div>
                        <div class="md:w-2/3 md:pl-8">
                            <h3 class="text-2xl font-bold mb-2">DiffRhythm on Hugging Face</h3>
                            <p class="text-gray-600 mb-4">Access the official DiffRhythm repository on Hugging Face, featuring the model, demo spaces, and detailed documentation.</p>
                            
                            <div class="bg-yellow-50 border-l-4 border-yellow-400 p-4 mb-6">
                                <div class="flex">
                                    <div class="flex-shrink-0">
                                        <i class="fas fa-exclamation-circle text-yellow-400"></i>
                                    </div>
                                    <div class="ml-3">
                                        <p class="text-sm text-yellow-700">
                                            The repository contains the complete model implementation, allowing you to run DiffRhythm locally or integrate it into your applications.
                                        </p>
                                    </div>
                                </div>
                            </div>
                            
                            <div class="repo-stats">
                                <div class="repo-stat">
                                    <i class="fas fa-code-branch"></i>
                                    <span>Main Branch</span>
                                </div>
                                <div class="repo-stat">
                                    <i class="fas fa-star"></i>
                                    <span>1.2k Stars</span>
                                </div>
                                <div class="repo-stat">
                                    <i class="fas fa-code"></i>
                                    <span>Python</span>
                                </div>
                            </div>
                            
                            <button onclick="window.open('https://huggingface.co/spaces/ASLP-lab/DiffRhythm/tree/main', '_blank')" class="mt-6 w-full md:w-auto bg-[#FFD21E] text-gray-900 px-6 py-3 rounded-lg font-semibold hover:bg-[#e6bd1a] transition flex items-center justify-center">
                                <i class="fab fa-hubspot mr-2"></i> Visit Repository
                            </button>
                        </div>
                    </div>
                </div>
                
                <div class="grid md:grid-cols-2 gap-6 mt-8">
                    <div class="bg-white p-6 rounded-xl shadow-md">
                        <h3 class="text-xl font-semibold mb-3 flex items-center">
                            <i class="fas fa-laptop-code text-purple-600 mr-3"></i> Live Demo
                        </h3>
                        <p class="text-gray-600 mb-4">Try the interactive demo directly on Hugging Face Spaces without any installation required.</p>
                        <button onclick="window.open('https://huggingface.co/spaces/ASLP-lab/DiffRhythm', '_blank')" class="text-purple-600 hover:text-purple-800 font-medium flex items-center">
                            Open Demo <i class="fas fa-external-link-alt ml-2"></i>
                        </button>
                    </div>
                    <div class="bg-white p-6 rounded-xl shadow-md">
                        <h3 class="text-xl font-semibold mb-3 flex items-center">
                            <i class="fas fa-book text-purple-600 mr-3"></i> Documentation
                        </h3>
                        <p class="text-gray-600 mb-4">Comprehensive documentation including installation instructions, API reference, and usage examples.</p>
                        <button onclick="window.open('https://huggingface.co/spaces/ASLP-lab/DiffRhythm/tree/main#documentation', '_blank')" class="text-purple-600 hover:text-purple-800 font-medium flex items-center">
                            Read Docs <i class="fas fa-external-link-alt ml-2"></i>
                        </button>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Sample Songs -->
    <section class="py-16 bg-white">
        <div class="container mx-auto px-4">
            <h2 class="text-3xl font-bold text-center mb-12">Sample Songs</h2>
            <div class="grid md:grid-cols-2 lg:grid-cols-3 gap-6">
                <div class="song-card bg-white p-6 rounded-xl shadow-md transition duration-300">
                    <div class="flex items-center mb-4">
                        <div class="w-16 h-16 bg-purple-100 rounded-lg flex items-center justify-center">
                            <i class="fas fa-music text-purple-600 text-2xl"></i>
                        </div>
                        <div class="ml-4">
                            <h3 class="font-semibold">Summer Breeze</h3>
                            <p class="text-sm text-gray-500">Pop • English • 3:12</p>
                        </div>
                    </div>
                    <div class="progress-bar mb-2">
                        <div class="progress-fill w-1/4"></div>
                    </div>
                    <div class="flex justify-between text-xs text-gray-500 mb-4">
                        <span>0:48</span>
                        <span>3:12</span>
                    </div>
                    <div class="flex justify-center space-x-6">
                        <button class="text-gray-600 hover:text-purple-600">
                            <i class="fas fa-play"></i>
                        </button>
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                <div class="song-card bg-white p-6 rounded-xl shadow-md transition duration-300">
                    <div class="flex items-center mb-4">
                        <div class="w-16 h-16 bg-purple-100 rounded-lg flex items-center justify-center">
                            <i class="fas fa-music text-purple-600 text-2xl"></i>
                        </div>
                        <div class="ml-4">
                            <h3 class="font-semibold">城市之光</h3>
                            <p class="text-sm text-gray-500">R&B • Chinese • 2:56</p>
                        </div>
                    </div>
                    <div class="progress-bar mb-2">
                        <div class="progress-fill w-2/3"></div>
                    </div>
                    <div class="flex justify-between text-xs text-gray-500 mb-4">
                        <span>1:56</span>
                        <span>2:56</span>
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                        <button class="text-gray-600 hover:text-purple-600">
                            <i class="fas fa-play"></i>
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                        <div class="w-16 h-16 bg-purple-100 rounded-lg flex items-center justify-center">
                            <i class="fas fa-music text-purple-600 text-2xl"></i>
                        </div>
                        <div class="ml-4">
                            <h3 class="font-semibold">Digital Dreams</h3>
                            <p class="text-sm text-gray-500">Electronic • English • 4:18</p>
                        </div>
                    </div>
                    <div class="progress-bar mb-2">
                        <div class="progress-fill w-1/2"></div>
                    </div>
                    <div class="flex justify-between text-xs text-gray-500 mb-4">
                        <span>2:09</span>
                        <span>4:18</span>
                    </div>
                    <div class="flex justify-center space-x-6">
                        <button class="text-gray-600 hover:text-purple-600">
                            <i class="fas fa-play"></i>
                        </button>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Resources Section -->
    <section id="resources" class="py-16 bg-gray-50">
        <div class="container mx-auto px-4">
            <h2 class="text-3xl font-bold text-center mb-12">Resources</h2>
            <div class="grid md:grid-cols-3 gap-8">
                <a href="#" class="resource-card bg-gray-50 p-6 rounded-xl shadow-md hover:shadow-lg transition group">
                    <div class="w-14 h-14 bg-purple-100 rounded-lg flex items-center justify-center mb-4 group-hover:bg-purple-200 transition">
                        <i class="fas fa-file-alt text-purple-600 text-xl"></i>
                    </div>
                    <h3 class="text-xl font-semibold mb-2 group-hover:text-purple-600 transition">Research Paper</h3>
                    <p class="text-gray-600">Read the full technical paper detailing DiffRhythm's architecture and performance.</p>
                </a>
                <a href="#" class="resource-card bg-gray-50 p-6 rounded-xl shadow-md hover:shadow-lg transition group">
                    <div class="w-14 h-14 bg-purple-100 rounded-lg flex items-center justify-center mb-4 group-hover:bg-purple-200 transition">
                        <i class="fab fa-github text-purple-600 text-xl"></i>
                    </div>
                    <h3 class="text-xl font-semibold mb-2 group-hover:text-purple-600 transition">GitHub Repository</h3>
                    <p class="text-gray-600">Access the open-source code and contribute to the project's development.</p>
                </a>
                <a href="#" class="resource-card bg-gray-50 p-6 rounded-xl shadow-md hover:shadow-lg transition group">
                    <div class="w-14 h-14 bg-purple-100 rounded-lg flex items-center justify-center mb-4 group-hover:bg-purple-200 transition">
                        <i class="fas fa-hands-helping text-purple-600 text-xl"></i>
                    </div>
                    <h3 class="text-xl font-semibold mb-2 group-hover:text-purple-600 transition">Hugging Face</h3>
                    <p class="text-gray-600">Try the model directly on Hugging Face's platform with easy-to-use interfaces.</p>
                </a>
            </div>
        </div>
    </section>

    <!-- Footer -->
    <footer class="bg-gray-900 text-white py-12">
        <div class="container mx-auto px-4">
            <div class="grid md:grid-cols-4 gap-8">
                <div>
                    <div class="flex items-center space-x-2 mb-4">
                        <i class="fas fa-music text-2xl"></i>
                        <span class="text-xl font-bold">DiffRhythm</span>
                    </div>
                    <p class="text-gray-400">Revolutionizing music creation through AI innovation.</p>
                </div>
                <div>
                    <h3 class="text-lg font-semibold mb-4">Navigation</h3>
                    <ul class="space-y-2">
                        <li><a href="#" class="text-gray-400 hover:text-white transition">Home</a></li>
                        <li><a href="#features" class="text-gray-400 hover:text-white transition">Features</a></li>
                        <li><a href="#technology" class="text-gray-400 hover:text-white transition">Technology</a></li>
                        <li><a href="#demo" class="text-gray-400 hover:text-white transition">Demo</a></li>
                        <li><a href="#huggingface" class="text-gray-400 hover:text-white transition">Hugging Face</a></li>
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                    <h3 class="text-lg font-semibold mb-4">Resources</h3>
                    <ul class="space-y-2">
                        <li><a href="#" class="text-gray-400 hover:text-white transition">Research Paper</a></li>
                        <li><a href="#" class="text-gray-400 hover:text-white transition">GitHub</a></li>
                        <li><a href="https://huggingface.co/spaces/ASLP-lab/DiffRhythm/tree/main" class="text-gray-400 hover:text-white transition">Hugging Face</a></li>
                        <li><a href="#" class="text-gray-400 hover:text-white transition">Documentation</a></li>
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                    <h3 class="text-lg font-semibold mb-4">Connect</h3>
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            <div class="border-t border-gray-800 mt-12 pt-8 text-center text-gray-400">
                <p>© 2024 DiffRhythm by ASLP@NPU. All rights reserved.</p>
            </div>
        </div>
    </footer>

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