/* 模拟呼吸灯发光特效 */
        .glow-effect {
            box-shadow: 0 0 15px rgba(59, 130, 246, 0.3);
            animation: pulse-glow 3s infinite alternate;
        }
        @keyframes pulse-glow {
            0% { box-shadow: 0 0 15px rgba(59, 130, 246, 0.2); }
            100% { box-shadow: 0 0 30px rgba(59, 130, 246, 0.6); }
        }