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: #FF6B35; text-shadow: 1px 1px 2px #ccc; }
        nav { background: #F8F9FA; padding: 10px; margin-bottom: 20px; }
        nav a { margin: 0 15px; text-decoration: none; color: #0066CC; }
        .mobile-toggle { display: none; }
        h1 { color: #2C3E50; border-bottom: 2px solid #FF6B35; padding-bottom: 10px; }
        h2 { color: #34495E; margin-top: 30px; }
        h3 { color: #7F8C8D; }
        .download-btn, .login-btn { display: inline-block; padding: 12px 25px; background: #FF6B35; color: white; border-radius: 5px; margin: 15px 0; text-decoration: none; }
        .image-container { text-align: center; margin: 25px 0; }
        img { max-width: 100%; height: auto; }
        .tag { background: #ECF0F1; padding: 5px 10px; border-radius: 15px; margin: 5px; display: inline-block; }
        footer { margin-top: 50px; padding-top: 20px; border-top: 1px solid #eee; }
        @media (max-width: 768px) {
            .mobile-toggle { display: block; background: #FF6B35; color: white; padding: 10px; text-align: center; cursor: pointer; }
            nav { display: none; }
            nav.active { display: block; }
            nav a { display: block; padding: 8px; }
        }