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-align: center; margin: 20px 0; }
        nav { background: #FF6B35; padding: 10px; display: flex; justify-content: center; flex-wrap: wrap; }
        nav a { color: white; text-decoration: none; margin: 0 15px; font-weight: bold; }
        .mobile-nav-toggle { display: none; }
        h1 { color: #2C3E50; text-align: center; margin-bottom: 30px; }
        h2 { color: #FF6B35; border-bottom: 2px solid #FF6B35; padding-bottom: 5px; margin: 25px 0 15px; }
        h3 { color: #2C3E50; margin: 20px 0 10px; }
        .download-btn, .login-btn { display: inline-block; background: #FF6B35; color: white; padding: 12px 25px; margin: 15px 0; text-decoration: none; border-radius: 5px; font-weight: bold; }
        .image-container { text-align: center; margin: 25px 0; }
        img { max-width: 100%; height: auto; border-radius: 8px; }
        .table-of-contents { background: #f5f5f5; padding: 15px; border-radius: 8px; margin-bottom: 25px; }
        .player-guide { background: #E8F4F8; padding: 15px; border-radius: 8px; margin: 20px 0; }
        .tags { margin: 20px 0; }
        .tags a { background: #E8F4F8; padding: 5px 10px; margin: 3px; display: inline-block; border-radius: 15px; text-decoration: none; color: #2C3E50; }
        footer { text-align: center; margin-top: 40px; padding: 20px; background: #2C3E50; color: white; }
        @media (max-width: 768px) {
            .mobile-nav-toggle { display: block; background: #FF6B35; color: white; border: none; padding: 10px; margin: 10px auto; }
            nav { display: none; flex-direction: column; }
            nav.active { display: flex; }
            nav a { margin: 5px 0; }
        }