.miao-indexs {
          &--title {
                 
          }
          &--index,
          &--list {
                    overflow-y: scroll;
          }

          &--index {
                    text-align: center;
                    display: flex;
                    flex-direction: column;
                    align-items: center;
                    justify-content: center;
                    .item {
                              line-height: 30Px;
                    }
          }
}