.synthetic_body {
  position: fixed;
  z-index: 100;
  right: 10px;
  top: 50px;
  .synthetic_body_hot {
    width: 50px;
    display: flex;
    height: 50px;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    color: #fff;
    background-color: #00bcd4;
    cursor: pointer;
  }
}
.synthetic_body .hover {
  transition: all 1s;
}
ul.synthetic_body_ul {
  display: flex;
  flex-flow: column;
  padding: 10px;
  overflow-y: auto;
  width: 280px;
  max-height: 450px;
  overflow-y: scroll;
  li {
    position: relative;
    border: 1px solid #efefef;
    border-bottom: 0;
    > p {
      display: flex;
      padding: 15px;
      flex-flow: row;
      justify-content: space-between;
      margin-bottom: 0;
      img {
        width: 60px;
        height: 60px;
        border-radius: 3px;
        object-fit: cover;
      }
      > span {
        overflow: hidden;
        text-overflow: ellipsis;
        -webkit-line-clamp: 2;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        margin-top: 10px;
        height: 48px;
      }
    }
    > div {
      opacity: 0;
      display: flex;
      justify-content: space-between;
      padding: 0 10px;
      align-items: center;
      color: #fff;
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      z-index: 99;
      height: 30px;
      background: rgba(0, 0, 0, 0.6);
      > span {
        cursor: pointer;
        > span {
          margin-right: 10px;
        }
      }
    }
  }
  li.last {
    border-bottom: 1px solid #efefef;
    > div {
      > span {
        > span {
          &:nth-child(2) {
            display: none;
          }
        }
      }
    }
  }
  li.first {
    border: 0;
    > span {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 30px;
      background: rgba(0, 0, 0, 0.6);
      color: #fff;
      line-height: 30px;
      padding-left: 10px;
    }
    > div {
      > span {
        > span {
          &:nth-child(1) {
            display: none;
          }
        }
      }
    }
    > p {
      position: relative;
      width: 100%;
      height: 0px;
      padding-top: 40%;
      border-radius: 2px;
      margin-bottom: 0;
      img {
        position: absolute;
        left: 0px;
        top: 0px;
        width: 100%;
        height: 100%;
        object-fit: cover;
      }
    }
  }
  li:hover {
    > div {
      opacity: 1;
    }
  }
  li.action {
    border: 1px solid rgb(59, 116, 255);
  }
}
