body { font-family: 'Inter', sans-serif; }
        /* 简单的呼吸灯效果，用于强调产品图 */
        .breathing-glow {
            animation: glow 3s infinite alternate;
        }
        @keyframes glow {
            from { box-shadow: 0 0 10px -5px rgba(59, 130, 246, 0.3); }
            to { box-shadow: 0 0 25px 5px rgba(59, 130, 246, 0.6); }
        }