body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; margin: 0; padding: 0; background-color: #f5f5f5; }
        .container { max-width: 1200px; margin: 0 auto; padding: 20px; }
        header { background-color: #FF6B35; color: white; padding: 20px; text-align: center; position: relative; }
        .logo { font-size: 2.5em; font-weight: bold; margin-bottom: 10px; }
        nav { display: flex; justify-content: center; gap: 20px; }
        nav a { color: white; text-decoration: none; font-weight: bold; }
        .mobile-menu-btn { display: none; position: absolute; right: 20px; top: 20px; background: none; border: none; color: white; font-size: 1.5em; cursor: pointer; }
        h1 { color: #FF6B35; border-bottom: 3px solid #FF6B35; padding-bottom: 10px; }
        h2 { color: #3498db; margin-top: 30px; }
        h3 { color: #2ecc71; }
        .content { background-color: white; padding: 20px; margin-top: 20px; border-radius: 8px; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }
        .download-btn, .login-btn { display: inline-block; padding: 12px 25px; background-color: #FF6B35; color: white; text-decoration: none; border-radius: 5px; margin: 10px 0; font-weight: bold; }
        .download-btn:hover, .login-btn:hover { background-color: #e05e2b; }
        .stats { background-color: #e8f4fc; padding: 15px; border-radius: 5px; margin: 15px 0; }
        img { max-width: 100%; height: auto; display: block; margin: 20px auto; border-radius: 8px; }
        footer { background-color: #333; color: white; text-align: center; padding: 20px; margin-top: 30px; }
        .copyright { margin-top: 15px; font-size: 0.9em; }
        @media (max-width: 768px) {
            nav { display: none; flex-direction: column; align-items: center; }
            nav.active { display: flex; }
            .mobile-menu-btn { display: block; }
            .logo { font-size: 2em; }
        }