@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;600&display=swap');
        body { font-family: 'Plus Jakarta Sans', sans-serif; }
        
        /* 呼吸灯特效 */
        .breathing-glow {
            animation: glow 3s ease-in-out infinite alternate;
        }
        @keyframes glow {
            from { box-shadow: 0 0 10px -5px rgba(0, 0, 0, 0.1); transform: scale(1); }
            to { box-shadow: 0 0 25px -5px rgba(255, 165, 0, 0.2); transform: scale(1.02); }
        }