.chart-box {
    width:100%;
    height:500rpx;
    position: absolute;
    top: 200rpx;
    bottom: 0;
    left: -20rpx;
    right: 0;
}
ec-canvas {
    width: 100%;
    height: 100%;
}
.tabs_crevice {
    height: 30rpx;
}