.bar {
    width: 100%;
    min-width: 400px;
    min-height: 560px;
    background: rgba(255, 255, 255, 1);
    box-shadow: 0px 0px 16px 2px rgba(0, 0, 0, 0.12);
    border-radius: 12px;
    margin-right: 30px;
    padding: 40px;
  }
  
  .pie {
    width: 30%;
    min-width: 370px;
    background: rgba(255, 255, 255, 1);
    box-shadow: 0px 0px 16px 2px rgba(0, 0, 0, 0.12);
    border-radius: 12px;
  
  }
  
  .behavior {
    width: 100%;
    height: 586px;
    background: rgba(255, 255, 255, 1);
    box-shadow: 0px 0px 16px 2px rgba(0, 0, 0, 0.12);
    border-radius: 12px;
    margin-bottom: 40px;
    padding: 40px;
  }
  
  .customers {
    width: 100%;
    height: 718px;
    background: rgba(255, 255, 255, 1);
    box-shadow: 0px 0px 16px 2px rgba(0, 0, 0, 0.12);
    border-radius: 12px 12px 0px 0px;
    padding: 40px;
  }
  .article {
    .section {
        font-size: 16px;
        line-height: 1.8em;
        color: #666;

        & + .section {
            margin-top: 24px;
        }
    }

    .title {
        font-size: 18px;
        line-height: 2em;
        color: #333;
    }

    .subtitle {
        font-size: 14px;
        line-height: 1.6em;
        color: #999;
    }

    .flex {
        display: flex;
        flex-wrap: wrap;

        .flex-item {
            margin-top: 16px;
            margin-right: 8px;
            flex: none;
            width: 100px;
            text-align: center;
        }
    }
}