@media screen and (max-width: 900px) {
    .flow_img1_10{
        width: 60%;
    }
    .flow_area {
        margin: 0 20px;
    }
    .flow_img1{
        width: 80%;
    }
    .flow_img2{
        width: 100%;
    }
    .flow_img1_1{
        width: 70%;
    }
    .flow_img1_2{
        width: 70%;
    }
    .flow_img1_6{
        width: 62%;
    }
  
  }
@media screen and (max-width: 800px) {
    .flow_desc {
        font-size: 17px;
        padding: 30px 0;
        margin: 0;
    }
    .flow_title {
        font-size: 6.5vw;
    }
    .flow_top img{
        width: 15%;
    }
  
  }
@media screen and (max-width: 700px) {
    .return_btn {
      font-size: 15px;
    }
    .sf_y_icon_comment {
      top: 37%;
      width: 14px;
      height: 14px;
    }
  
  }
  @media screen and (max-width: 600px) {
    .flow_section{
        margin-top: 70px;
    }
    .flow_area {
        padding: 16px 22px;
    }
  
  }
@media screen and (max-width: 500px) {
    .flow_section{
        margin-top: 64px;
    }
    .flow_desc {
        font-size: 14px;
    }
    .return_btn {
        width: 45%;
      }
  
  }
@media screen and (max-width: 400px) {
    .return_btn_modal {
        padding: 8px 24px;
        font-size: 10px;
    }
    .flow_area {
        margin: 0 12px;
        padding: 16px 16px;
    }
 
  }