body { font-family: 'Arial', sans-serif; line-height: 1.6; margin: 0; padding: 0; color: #333; background-color: #f8f4e8; }
        header { background-color: #ff6b35; color: white; padding: 1rem; text-align: center; position: sticky; top: 0; z-index: 100; }
        .logo { font-size: 2rem; font-weight: bold; text-shadow: 2px 2px 4px rgba(0,0,0,0.3); }
        nav { display: flex; justify-content: space-around; margin-top: 0.5rem; }
        nav a { color: white; text-decoration: none; }
        .mobile-toggle { display: none; background: #ff4d00; color: white; border: none; padding: 0.5rem; border-radius: 5px; }
        main { padding: 1rem; max-width: 1200px; margin: 0 auto; }
        h1, h2, h3 { color: #ff6b35; }
        h1 { font-size: 2.2rem; margin-bottom: 1rem; }
        h2 { font-size: 1.8rem; margin-top: 2rem; }
        h3 { font-size: 1.5rem; margin-top: 1.5rem; }
        .btn { display: inline-block; background-color: #ff6b35; color: white; padding: 0.8rem 1.5rem; text-decoration: none; border-radius: 5px; margin: 0.5rem 0; font-weight: bold; }
        .download-btn { background-color: #4CAF50; }
        .login-btn { background-color: #2196F3; }
        .image-container { text-align: center; margin: 2rem 0; }
        img { max-width: 100%; height: auto; border-radius: 10px; }
        footer { background-color: #333; color: white; text-align: center; padding: 1rem; margin-top: 2rem; }
        .tags { margin: 1rem 0; }
        .tag { display: inline-block; background-color: #666; color: white; padding: 0.3rem 0.8rem; margin: 0.2rem; border-radius: 20px; text-decoration: none; }
        @media (max-width: 768px) {
            nav { flex-direction: column; display: none; }
            nav.active { display: flex; }
            .mobile-toggle { display: block; }
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.5rem; }
        }