<answer>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <style>
        :root {
            --primary-color: #121826;
            --secondary-color: #f4d166;
            --accent-color: #e63946;
            --text-color: #333333;
            --light-text: #ffffff;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: var(--primary-color);
        }
        
        #hero {
            height: 80vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
            padding: 0 20px;
            background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('hero-placeholder.jpg');
            background-size: cover;
            background-position: center;
            color: var(--light-text);
        }
        
        #hero h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
            font-weight: 300;
        }
        
        #hero p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            max-width: 700px;
        }
        
        .btn {
            padding: 12px 30px;
            background-color: var(--accent-color);
            color: var(--light-text);
            border: none;
            border-radius: 4px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        
        .btn:hover {
            background-color: #d62b39;
        }
        
        #intro {
            max-width: 1200px;
            margin: 0 auto;
            padding: 60px 20px;
        }
        
        #intro h2 {
            font-size: 2.5rem;
            margin-bottom: 30px;
            color: var(--secondary-color);
            text-align: center;
        }
        
        #intro p {
            font-size: 1.1rem;
            max-width: 800px;
            margin: 0 auto 30px;
            line-height: 1.8;
        }
        
        #highlights {
            padding: 60px 20px;
            background-color: #1a2533;
        }
        
        #highlights h2 {
            font-size: 2.5rem;
            text-align: center;
            margin-bottom: 40px;
            color: var(--secondary-color);
        }
        
        .car-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 30px;
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .car-card {
            background-color: #243140;
            border-radius: 8px;
            overflow: hidden;
            transition: transform 0.3s;
        }
        
        .car-card:hover {
            transform: translateY(-10px);
        }
        
        .car-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        
        .car-info {
            padding: 20px;
        }
        
        .car-info h3 {
            margin-bottom: 15px;
            color: var(--secondary-color);
        }
        
        .car-info p {
            font-size: 1rem;
            margin-bottom: 15px;
        }
        
        #gallery {
            padding: 60px 20px;
        }
        
        #gallery h2 {
            font-size: 2.5rem;
            text-align: center;
            margin-bottom: 40px;
            color: var(--secondary-color);
        }
        
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 20px;
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .gallery-item {
            position: relative;
            overflow: hidden;
            border-radius: 8px;
        }
        
        .gallery-image {
            width: 100%;
            height: 250px;
            object-fit: cover;
            transition: transform 0.3s;
        }
        
        .gallery-item:hover .gallery-image {
            transform: scale(1.05);
        }
        
        .gallery-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 15px;
            background: linear-gradient(transparent, rgba(0,0,0,0.8));
            color: white;
            opacity: 0;
            transition: opacity 0.3s;
        }
        
        .gallery-item:hover .gallery-caption {
            opacity: 1;
        }
        
        #contact {
            padding: 60px 20px;
            background-color: #1a2533;
        }
        
        #contact h2 {
            font-size: 2.5rem;
            text-align: center;
            margin-bottom: 40px;
            color: var(--secondary-color);
        }
        
        form {
            max-width: 700px;
            margin: 0 auto;
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        label {
            display: block;
            margin-bottom: 8px;
            color: var(--secondary-color);
        }
        
        input, textarea {
            width: 100%;
            padding: 12px 15px;
            background-color: #243140;
            border: 2px solid #243140;
            color: var(--light-text);
            border-radius: 4px;
            font-size: 1rem;
            transition: all 0.3s;
        }
        
        input:focus, textarea:focus {
            outline: none;
            border-color: var(--secondary-color);
        }
        
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        
        #footer {
            padding: 30px 20px;
            text-align: center;
            background-color: #121826;
            color: var(--light-text);
        }
        
        @media (max-width: 768px) {
            #hero h1 {
                font-size: 2rem;
            }
            
            #intro h2, #highlights h2, #gallery h2, #contact h2 {
                font-size: 2rem;
            }
            
            .car-grid, .gallery-grid {
                grid-template-columns: 1fr;
            }
        }
    </style>
</head>
<body>
    <div id="message"></div>
    
    <section id="hero">
        <h1 data-placeholder="hero heading">Welcome to [cars shop] Homepage</h1>
        <p data-placeholder="hero subheading">Discover premium vehicles tailored to your needs</p>
        <button class="btn" data-placeholder="button text">Explore Our Models</button>
    </section>
    
    <section id="intro">
        <h2 data-placeholder="intro heading">About [cars shop]</h2>
        <p data-placeholder="intro text">Experience the thrill of driving like never before. At [cars shop], we offer a consumo selection of the finest cars with exceptional service and warranty.</p>
    </section>
    
    <section id="highlights">
        <h2 data-placeholder="highlights heading">Our Best Models</h2>
        <div class="car-grid">
            <div class="car-card">
                <img src="car1-placeholder.jpg" alt="[class name] car" class="car-image">
                <div class="car-info">
                    <h3 data-placeholder="car model name">Luxury Sedan</h3>
                    <p data-placeholder="car description">Experience unparalleled comfort and performance.</p>
                    <button class="btn">View Details</button>
                </div>
            </div>
            <div class="car-card">
                <img src="car2-placeholder.jpg" alt="[class name] truck" class="car-image">
                <div class="car-info">
                    <h3 data-placeholder="car model name">Sports SUV</h3>
                    <p data-placeholder="car description">Ideal for your next adventure and daily commute.</p>
                    <button class="btn">View Details</button>
                </div>
            </div>
            <div class="car-card">
                <img src="car3-placeholder.jpg" alt="[class name] pickup" class="car-image">
                <div class="car-info">
                    <h3 data-placeholder="car model name">Workhorse Truck</h3>
                    <p data-placeholder="car description">Whether you're hauling or hauling, get the power you need.</p>
                    <button class="btn">View Details</button>
                </div>
            </div>
        </div>
    </section>
    
    <section id="gallery">
        <h2 data-placeholder="gallery heading">Featured Vehicles</h2>
        <div class="gallery-grid">
            <div class="gallery-item">
                <img src="gallery1-placeholder.jpg" alt="[car series] crossover" class="gallery-image">
                <div class="gallery-caption">2023 [car series] Crossover</div>
            </div>
            <div class="gallery-item">
                <img src="gallery2-placeholder.jpg" alt="[car series] convertible" class="gallery-image">
                <div class="gallery-caption">Convertible via the road</div>
            </div>
            <div class="gallery-item">
                <img src="gallery3-placeholder.jpg" alt="[car series] truck cab" class="gallery-image">
                <div class="gallery-caption">All-terrain truck cab</div>
            </div>
            <div class="gallery-item">
                <img src="gallery4-placeholder.jpg" alt="[car series] sports car" class="gallery-image">
                <div class="gallery-caption">Track-ready sports car</div>
            </div>
        </div>
    </section>
    
    <section id="contact">
        <h2 data-placeholder="contact heading">Contact Us</h2>
        <form>
            <div class="form-group">
                <label for="name">Name</label>
                <input type="text" id="name">
            </div>
            <div class="form-group">
                <label for="email">Email</label>
                <input type="email" id="email">
            </div>
            <div class="form-group">
                <label for="phone">Phone</label>
                <input type="tel" id="phone">
            </div>
            <div class="form-group">
                <label for="message">Message</label>
                <textarea id="message"></textarea>
            </div>
            <button type="submit" class="btn">Send Message</button>
        </form>
    </section>
    
    <footer id="footer">
        <p>[cars shop] &copy; 2023 All Rights Reserved.</p>
        <p data-placeholder="copyright info"></p>
    </footer>

    <script>
        // Set theme and page variables
        const variables = {
            'theme': 'cars shop',
            'page': 'homepage'
        };

        // Apply variables to page elements
        document.body.setAttribute('data-theme', variables.theme);
        
        // Get all placeholder elements
        const messageEl = document.getElementById('message');
        const headingElements = document.querySelectorAll('[data-placeholder]');
        
        // Function to replace placeholder text
        function applyPlaceholders() {
            headingElements.forEach(el => {
                const placeholder = el.getAttribute('data-placeholder');
                if (placeholder) {
                    if (placeholder.includes('heading')) {
                        el.textContent = el.textContent.replace analyseString(placeholder, '亲自')(['[cars shop]']);
                    } else if (placeholder.includes('text')) {
                        el.textContent = el.textContent.replace analyseString(placeholder, '亲自')(['[cars shop]']);
                    } else if (placeholder.includes('theme')) {
                        el.textContent = el.textContent.replace analyseString(placeholder, '亲自')(['[cars shop]']);
                    } else if (placeholder.includes('heading text')) {
                        let text = el.textContent;
                        
                        text = text.replace('[[theme variable]]', variables.theme);
                        el.textContent = text;
                    } else {
                        el.textContent = el.textContent
</answer>