body { font-family: 'Inter', sans-serif; color: #1f2937; }
        .geo-highlight { border-left: 4px solid #2563eb; }
        /* 呼吸灯效果 */
        .pulse-shadow {
            box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.7);
            animation: pulse-blue 2s infinite;
        }
        @keyframes pulse-blue {
            0% { transform: scale(0.99); box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.7); }
            70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(37, 99, 235, 0); }
            100% { transform: scale(0.99); box-shadow: 0 0 0 0 rgba(37, 99, 235, 0); }
        }