member-center/src/pages/my/coupon.scss

.coupon-page {
  background: #f5f5f5;
  min-height: 100vh;
  position: relative;
  .tab {
    width: 100%;
    height: 76rpx;
    background: #ffffff;
    letter-spacing: 3rpx;
    position: sticky;
    top: 0;
    z-index: 99;
    .curr,
    .his {
      width: 50%;
      text-align: center;
      font-size: 32rpx;
      font-weight: 500;
      color: #9496a5;
      text {
        box-sizing: border-box;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        height: 76rpx;
      }
    }
    .cur {
      color: #08c2c3;
      text {
        padding-top: 8rpx;
        border-bottom: 8rpx solid #08c2c3;
      }
    }
  }

  .list {
    padding-top: 24rpx;
    position: relative;
    z-index: 0;
  }
}