body { font-family: 'Segoe UI', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        .mobile-nav { display: none; }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .mobile-nav { display: block; position: fixed; bottom: 0; width: 100%; background: #FF4500; padding: 10px; text-align: center; }
            .nav-toggle { background: #FFD700; border: none; padding: 10px 20px; }
        }
        h1 { color: #FF4500; border-bottom: 3px solid #FFD700; padding-bottom: 10px; }
        h2 { color: #FF6347; margin-top: 30px; }
        h3 { color: #FF8C00; }
        .download-btn { background: #4CAF50; color: white; padding: 12px 25px; text-decoration: none; border-radius: 5px; display: inline-block; margin: 15px 0; }
        .login-btn { background: #2196F3; color: white; padding: 12px 25px; text-decoration: none; border-radius: 5px; display: inline-block; margin: 15px 0; }
        .game-stats { background: #f8f8f8; padding: 15px; border-radius: 8px; margin: 20px 0; }
        .攻略 { background: #e8f4f8; padding: 15px; border-left: 4px solid #2196F3; }
        .activity { background: #fff3e0; padding: 15px; border-left: 4px solid #FF9800; }
        img { max-width: 100%; height: auto; margin: 20px 0; border-radius: 8px; }