.nut-collapse-item {
  position: relative;
  .collapse-item {
    &::after {
      position: absolute;
      box-sizing: border-box;
      content: ' ';
      pointer-events: none;
      right: 16px;
      bottom: 0;
      left: 16px;
      border-bottom: 1px solid #ebedf0;
      -webkit-transform: scaleY(0.5);
      transform: scaleY(0.5);
    }
  }
  .collapse-item {
    position: relative;
    width: 100%;
    overflow: hidden;
    padding: 10px 16px;
    color: #323233;
    font-size: 14px;
    line-height: 24px;
    background-color: #fff;
    box-sizing: border-box;
    .collapse-icon {
      display: block;
      position: absolute;
      top: 50%;
      margin-top: -10px;
      right: 16px;
      width: 20px;
      height: 20px;
      line-height: 24px;
      background-image: url(https://img10.360buyimg.com/imagetools/jfs/t1/111306/10/17422/341/5f58aa0eEe9218dd6/28d76a42db334e31.png);
      background-repeat: no-repeat;
      background-size: 100% 100%;
      transition: transform 0.3s;
    }
    .col-expanded {
      transform: rotate(-180deg);
    }
    .subTitle {
      position: absolute;
      top: 50%;
      right: 40px;
      margin-top: -12px;
      color: #969799;
    }
  }
  .collapse-wrapper {
    position: relative;
    height: 0;
    overflow: hidden;
    transition: height 0.3s ease-in-out;
    .collapse-content {
      padding: 12px 16px;
      color: #969799;
      font-size: 14px;
      line-height: 1.5;
      background-color: #fff;
    }
  }
  .nut-collapse-item-disabled {
    color: #c8c9cc;
    cursor: not-allowed;
    pointer-events: none;
    .collapse-icon-disabled {
      background-image: url(https://img12.360buyimg.com/imagetools/jfs/t1/150037/5/8088/344/5f5b0bf2E214aac54/ec3e64ce3fc46200.png);
      background-repeat: no-repeat;
      background-size: 100% 100%;
    }
  }
  .nut-collapse-item-left {
    .collapse-item {
      padding: 10px 16px 10px 50px;
      .collapse-icon {
        left: 20px;
      }
      .subTitle {
        right: 16px;
      }
    }
  }
  // .nut-collapse-item.nut-collapse-item-icon {
  //     .collapse-icon {
  //         transform: rotate(0deg);
  //     }
  // }
}