body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        .logo { font-size: 28px; font-weight: bold; color: #FF4500; text-shadow: 2px 2px 4px rgba(0,0,0,0.1); }
        nav { background: #FF6B35; padding: 15px; border-radius: 8px; margin-bottom: 20px; }
        nav a { color: white; text-decoration: none; margin: 0 10px; }
        .mobile-nav-btn { display: none; background: #333; color: white; padding: 8px 12px; border-radius: 4px; }
        h1 { color: #FF4500; border-bottom: 3px solid #FF6B35; padding-bottom: 10px; }
        h2 { color: #333; margin-top: 30px; }
        h3 { color: #555; }
        .download-btn, .login-btn { display: inline-block; background: #4CAF50; color: white; padding: 12px 25px; margin: 15px 0; border-radius: 6px; text-decoration: none; font-weight: bold; }
        .login-btn { background: #2196F3; }
        img { max-width: 100%; height: auto; border-radius: 8px; margin: 20px 0; }
        .tags { margin: 20px 0; }
        .tag { background: #eee; padding: 5px 10px; border-radius: 20px; margin: 0 5px; display: inline-block; }
        footer { margin-top: 50px; padding: 20px; background: #f5f5f5; border-radius: 8px; }
        @media (max-width: 768px) {
            .mobile-nav-btn { display: block; }
            nav { display: none; }
            nav.active { display: block; }
        }