body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        h1 { color: #d44; font-size: 2.5em; text-align: center; margin-bottom: 10px; }
        h2 { color: #e66; font-size: 1.8em; margin-top: 30px; }
        h3 { color: #f88; font-size: 1.5em; margin-top: 25px; }
        .logo { font-size: 2.2em; color: #f44; font-weight: bold; text-shadow: 2px 2px 4px rgba(0,0,0,0.3); }
        nav { background: #333; padding: 10px; text-align: center; }
        nav a { color: white; margin: 0 15px; text-decoration: none; }
        .mobile-menu { display: none; background: #333; color: white; padding: 10px; text-align: center; cursor: pointer; }
        .content { margin-top: 20px; }
        .download-btn, .login-btn { display: inline-block; background: #4CAF50; color: white; padding: 10px 20px; margin: 10px 0; text-decoration: none; border-radius: 5px; }
        .image-container { text-align: center; margin: 20px 0; }
        img { max-width: 100%; height: auto; }
        .tags { margin-top: 30px; }
        .tag { background: #eee; padding: 5px 10px; margin: 5px; display: inline-block; border-radius: 3px; }
        footer { margin-top: 50px; text-align: center; padding: 20px; background: #333; color: white; }
        @media (max-width: 768px) {
            nav { display: none; }
            .mobile-menu { display: block; }
            .active { display: block; }
        }