var item1 = {
    color: '#F54F4A'
};
var item2 = {
    color: '#FF8C75'
};
var item3 = {
    color: '#FFB499'
};

var data = [{
    children: [{
        value: 5,
        children: [{
            value: 1,
            itemStyle: item1
        }, {
            value: 2,
            children: [{
                value: 1,
                itemStyle: item2
            }]
        }, {
            children: [{
                value: 1
            }]
        }],
        itemStyle: item1
    }, {
        value: 10,
        children: [{
            value: 6,
            children: [{
                value: 1,
                itemStyle: item1
            }, {
                value: 1
            }, {
                value: 1,
                itemStyle: item2
            }, {
                value: 1
            }],
            itemStyle: item3
        }, {
            value: 2,
            children: [{
                value: 1
            }],
            itemStyle: item3
        }, {
            children: [{
                value: 1,
                itemStyle: item2
            }]
        }],
        itemStyle: item1
    }],
    itemStyle: item1
}, {
    value: 9,
    children: [{
        value: 4,
        children: [{
            value: 2,
            itemStyle: item2
        }, {
            children: [{
                value: 1,
                itemStyle: item1
            }]
        }],
        itemStyle: item1
    }, {
        children: [{
            value: 3,
            children: [{
                value: 1
            }, {
                value: 1,
                itemStyle: item2
            }]
        }],
        itemStyle: item3
    }],
    itemStyle: item2
}, {
    value: 7,
    children: [{
        children: [{
            value: 1,
            itemStyle: item3
        }, {
            value: 3,
            children: [{
                value: 1,
                itemStyle: item2
            }, {
                value: 1
            }],
            itemStyle: item2
        }, {
            value: 2,
            children: [{
                value: 1
            }, {
                value: 1,
                itemStyle: item1
            }],
            itemStyle: item1
        }],
        itemStyle: item3
    }],
    itemStyle: item1
}, {
    children: [{
        value: 6,
        children: [{
            value: 1,
            itemStyle: item2
        }, {
            value: 2,
            children: [{
                value: 2,
                itemStyle: item2
            }],
            itemStyle: item1
        }, {
            value: 1,
            itemStyle: item3
        }],
        itemStyle: item3
    }, {
        value: 3,
        children: [{
            value: 1,
        }, {
            children: [{
                value: 1,
                itemStyle: item2
            }]
        }, {
            value: 1
        }],
        itemStyle: item3
    }],
    itemStyle: item1
}];

option = {
    series: {
        radius: ['15%', '80%'],
        type: 'sunburst',
        sort: null,
        highlightPolicy: 'ancestor',
        data: data,
        label: {
            rotate: 'radial'
        },
        levels: [],
        itemStyle: {
            color: '#ddd',
            borderWidth: 2
        }
    }
};