body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; background: #f0f8ff; margin: 0; padding: 0; }
        .container { max-width: 1200px; margin: 0 auto; padding: 20px; }
        header { background: #1a5fb4; color: white; padding: 15px; text-align: center; position: relative; }
        .logo { font-size: 28px; font-weight: bold; text-transform: uppercase; letter-spacing: 2px; }
        nav ul { list-style: none; padding: 0; display: flex; justify-content: center; }
        nav ul li { margin: 0 15px; }
        nav ul li a { color: white; text-decoration: none; }
        .mobile-nav-toggle { display: none; position: absolute; top: 15px; right: 15px; cursor: pointer; }
        h1 { color: #1a5fb4; margin-top: 30px; }
        h2 { color: #2c7dbb; border-bottom: 2px solid #1a5fb4; padding-bottom: 5px; }
        h3 { color: #4da6ff; }
        .download-btn, .login-btn { display: inline-block; padding: 12px 25px; background: #ff4d4d; color: white; text-decoration: none; border-radius: 5px; margin: 15px 0; font-weight: bold; }
        .download-btn:hover, .login-btn:hover { background: #e03a3a; }
        .img-container { text-align: center; margin: 25px 0; }
        .img-container img { max-width: 100%; height: auto; border-radius: 8px; }
        .player-review { background: #e6f2ff; padding: 15px; border-radius: 8px; margin: 20px 0; }
        .pro-tip { background: #fff8e6; padding: 15px; border-left: 4px solid #ffcc00; margin: 20px 0; }
        footer { background: #1a5fb4; color: white; text-align: center; padding: 20px; margin-top: 30px; }
        @media (max-width: 768px) {
            nav ul { display: none; flex-direction: column; }
            nav ul.active { display: flex; }
            .mobile-nav-toggle { display: block; }
            .container { padding: 10px; }
        }