* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f8f9fa;
    color: #333;
    line-height: 1.6;
}

#targetDiv {
    width: 100%;
    min-height: 100vh;
}

/* Header Styles */
header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #2c3e50;
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #3498db;
}

/* Hero Section */
.hero {
    background-color: #3498db;
    color: white;
    padding: 8rem 2rem 6rem;
    text-align: center;
    margin-top: 60px;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Section Styles */
section {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

/* Product Categories */
.product-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.category-card {
    background-color: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.category-card h3 {
    margin-bottom: 1rem;
    color: #2c3e50;
}

/* Features Section */
.features {
    background-color: #fff;
    border-radius: 8px;
    padding: 3rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.features-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    padding: 1.5rem;
    border-left: 4px solid #3498db;
    background-color: #f8f9fa;
    border-radius: 4px;
}

.feature-item h3 {
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

/* Advantages Section */
.advantages {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.advantage-item {
    background-color: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.advantage-icon {
    font-size: 2rem;
    color: #3498db;
    flex-shrink: 0;
}

.advantage-content h3 {
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

/* FAQ Section */
.faq {
    background-color: #fff;
    border-radius: 8px;
    padding: 3rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.faq-item {
    margin-bottom: 2rem;
    border-bottom: 1px solid #eee;
    padding-bottom: 1rem;
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.faq-answer {
    color: #666;
    line-height: 1.6;
}

/* Download Button */
.downlbtnvmmn {
    background-color: #e74c3c;
    color: white;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    display: inline-block;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
}

.downlbtnvmmn:hover {
    background-color: #c0392b;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(231, 76, 60, 0.4);
}

/* Footer */
footer {
    background-color: #2c3e50;
    color: white;
    padding: 3rem 2rem 1rem;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-links {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-links a {
    color: white;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #3498db;
}

.copyright {
    margin-top: 2rem;
    color: #bdc3c7;
    font-size: 0.9rem;
}

/* Download Page */
.download-options {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.download-card {
    background-color: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.download-card h3 {
    margin-bottom: 1rem;
    color: #2c3e50;
}

/* Tutorial Page */
.tutorial-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.tutorial-step {
    background-color: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.tutorial-step h3 {
    margin-bottom: 1rem;
    color: #2c3e50;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.step-number {
    background-color: #3498db;
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    section {
        padding: 2rem 1rem;
    }
    
    .advantages {
        grid-template-columns: 1fr;
    }
    
    .features,
    .faq {
        padding: 2rem 1rem;
    }
}