甜甜圈中间的文字两行样式不一样，怎么做？echarts 饼配置项内容和展示

圈内字体，样式不同，怎么来实现？

      option = {
    series: [{
        name: '税额比例',
        type: 'pie',
        radius: ['40%', '55%'],
        avoidLabelOverlap: false,
        label: {
            normal: {
                show: false,
                position: 'center',
                textStyle: {
                    fontSize: 12
                }
            },
            emphasis: {
                show: true,
                formatter: function(param) {
                    return param.percent.toFixed(0) + '%';
                },
                textStyle: {
                    fontSize: '30',
                    fontWeight: 'bold'
                }
            }
        },
        data: [{
            value: 222,
            name: 'AA五星级酒店^AA',
            label: {
                emphasis: {
                    show: true,
                    formatter: function(param) {
                        return param.percent.toFixed(0) + '%\n' + param.name.split('^')[0];
                    },
                    textStyle: {
                        fontSize: 12,
                        color: '#333333'
                    }

                }
            }
        },{
            value: 333,
            name: 'CC五星级酒店^CC',
            label: {
                emphasis: {
                    show: true,
                    formatter: function(param) {
                        return param.percent.toFixed(0) + '%\n' + param.name.split('^')[0];
                    },
                    textStyle: {
                        fontSize: 12,
                        color: '#333333'
                    }

                }
            }
        },{
            value: 444,
            name: 'QQ五星级酒店^QQ',
            label: {
                emphasis: {
                    show: true,
                    formatter: function(param) {
                        return param.percent.toFixed(0) + '%\n' + param.name.split('^')[0];
                    },
                    textStyle: {
                        fontSize: 12,
                        color: '#333333'
                    }

                }
            }
        }]
    }, {
        name: '税额比例外面',
        type: 'pie',
        radius: ['55%', '55%'],
        label: {
            normal: {
                show: true,
                formatter: '{b}',
                position: 'outside',
                textStyle: {
                    fontSize: 12
                }
            }
        },
        labelLine: {
            normal: {
                show: false,
            },
        },
        data: [{
            value: 222,
            name: 'AA',
            label: {
                normal: {
                    show: true,
                    formatter: '{b}',
                    textStyle: {
                        fontSize: 12,
                        color: '#333333',
                    }
                }
            }
        },{
            value: 333,
            name: 'CC',
            label: {
                normal: {
                    show: true,
                    formatter: '{b}',
                    textStyle: {
                        fontSize: 12,
                        color: '#333333',
                    }
                }
            }
        },{
            value: 444,
            name: 'QQ',
            label: {
                normal: {
                    show: true,
                    formatter: '{b}',
                    textStyle: {
                        fontSize: 12,
                        color: '#333333',
                    }
                }
            }
        }]
    }],
    animation: false
};