.bi-body-wrapper {
    padding-top: 0px;
    display: flex;
    flex-direction: column;
    width: 100%;
  }
  .page-title-area {
    padding-top: 50px;
    padding-bottom: 40px;
  }
  
  /*▼▼▼▼▼▼▼▼▼ 섹션1  ▼▼▼▼▼▼▼▼▼*/
  .stn-box-1 {
    margin-top: 80px;
  }

  .bi-stn-1 .stn-box-4 {
    margin-bottom: 50px;
    padding-right: 60px;
    padding-bottom: 0px;
    z-index: 2;
    background-color: unset;
    position: relative;
  }

  .stn-box-4::before {
    content: "";
    background-color: var(--bg-btn-black);
    width: 100%;
    height: 414px;
    position: absolute;
    top: 0;
    left: 0;
    border-radius: 15px;
    z-index: -1;
  }

  .bi-box {
    width: 100%;
    margin-bottom: 50px;
    padding: 60px 0 80px 80px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
  }

  .bi-box-orange {
    background-color: var(--btn-box-bg-orange);
  }

  .bi-box-black {
    background-color: var(--bg-btn-black);
  }

  .bi-title {
    font-family: Pretendard;
    margin-bottom: 24px;
    color: var(--font-white);
    font-size: 34px;
    font-weight: 700;
    line-height: 48px;
  }

  .bi-subtitle {
    font-family: Pretendard;
    margin-bottom: 15px;
    margin-left: 29px;
    color: var(--font-white);
    font-size: 20px;
    font-weight: 700;
    line-height: 24px;
  }

  .bi-text {
    font-family: Pretendard;
    margin-left: 29px;
    color: var(--font-white);
    font-size: 18px;
    font-weight: 400;
    line-height: 21px;
  }

  .bi-text ul {
    margin: 0;
    padding-left: 29px;
  }

  .bi-text ul li {
    margin-bottom: 5px;
  }

  .bi-text ul li:last-child {
    margin-bottom: 0px;
  }

  .bi-img-wrapper {
    width: 100%;
    display: flex;
    justify-content: flex-end;
    align-items: flex-start;
    margin-top: 40px;
  }

  .bi-img {
    width: 685px;
    background-color: var(--box-bg-gray);
    border-radius: 21px;
    box-shadow: var(--box-shadow);
    padding: 16px 24px;
  }





  @media screen and (min-width: 1920px) {
  
  }
  
  @media screen and (min-width: 1280px) and (max-width: 1919px) {
  
  }
  
  /* ■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■ */
  @media screen and (min-width: 768px) and (max-width: 1279px) { 
    .page-title-area {
      padding-top: 50px;
      padding-bottom: 40px;
      height: fit-content;
    }

    /*■■■■■■■■■ 섹션1  ■■■■■■■■■*/  
    .stn-box-1 {
      margin-top: 50px;
    }
  
    .bi-stn-1 .stn-box-4 {
      margin-bottom: 65px;
      padding-right: 50px;
      padding-bottom: 0px;
      z-index: 2;
      background-color: unset;
      position: relative;
    }

    .stn-box-4 .bi-title {
      margin-bottom: 10px;
    }
  
    .stn-box-4::before {
      content: "";
      background-color: var(--bg-btn-black);
      width: 100%;
      height: 376px;
      position: absolute;
      top: 0;
      left: 0;
      border-radius: 15px;
      z-index: -1;
    }
  
    .bi-box {
      width: 696px;
      margin-bottom: 30px;
      padding: 25px 0 25px 25px;
      display: flex;
      flex-direction: column;
      justify-content: flex-start;
      align-items: flex-start;
    }
  
    .bi-box-orange {
      background-color: var(--btn-box-bg-orange);
    }
  
    .bi-box-black {
      background-color: var(--bg-btn-black);
    }
  
    .bi-title {
      font-family: Pretendard;
      margin-bottom: 25px;
      color: var(--font-white);
      font-size: 24px;
      font-weight: 700;
      line-height: 29px;
    }
  
    .bi-subtitle {
      font-family: Pretendard;
      margin-bottom: 10px;
      margin-left: 30px;
      color: var(--font-white);
      font-size: 18px;
      font-weight: 700;
      line-height: 21px;
    }
  
    .bi-text {
      font-family: Pretendard;
      margin-left: 26px;
      color: var(--font-white);
      font-size: 14px;
      font-weight: 400;
      line-height: 17px;
    }
  
    .bi-text ul {
      margin: 0;
      padding-left: 29px;
    }
  
    .bi-text ul li {
      margin-bottom: 5px;
    }
  
    .bi-text ul li:last-child {
      margin-bottom: 0px;
    }
  
    .bi-img-wrapper {
      width: 100%;
      display: flex;
      justify-content: flex-end;
      align-items: flex-start;
      margin-top: 25px;
    }
  
    .bi-img {
      width: 575px;
      background-color: var(--box-bg-gray);
      border-radius: 21px;
      box-shadow: var(--box-shadow);
      padding: 17px 10px;
    }
  }
  
  /* ●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●● */
  @media screen and (max-width: 767px) {
    .page-title-area {
      padding-top: 30px;
      padding-bottom: 35px;
      height: fit-content;
    }

    /*●●●●●●●●●● 섹션1  ●●●●●●●●●●*/  
    .stn-box-1 {
      margin-top: 40px;
    }
  
    .bi-stn-1 .stn-box-4 {
      margin-bottom: 65px;
      padding-right: 25px;
      padding-bottom: 25px;
      z-index: 2;
      background-color: unset;
      position: relative;
    }

    .stn-box-4 .bi-title {
      margin-bottom: 10px;
    }
  
    .stn-box-4::before {
      content: "";
      background-color: var(--bg-btn-black);
      width: 100%;
      height: 100%;
      position: absolute;
      top: 0;
      left: 0;
      border-radius: 15px;
      z-index: -1;
    }
  
    .bi-box {
      width: 95.6vw;
      margin-bottom: 30px;
      padding: 25px 25px 25px 25px;
      display: flex;
      flex-direction: column;
      justify-content: flex-start;
      align-items: flex-start;
    }
  
    .bi-box-orange {
      background-color: var(--btn-box-bg-orange);
    }
  
    .bi-box-black {
      background-color: var(--bg-btn-black);
    }
  
    .bi-title {
      font-family: Pretendard;
      margin-bottom: 15px;
      color: var(--font-white);
      font-size: 16px;
      font-weight: 700;
      line-height: 19px;
      word-break: keep-all;
    }
  
    .bi-subtitle {
      font-family: Pretendard;
      margin-bottom: 5px;
      margin-left: 0px;
      color: var(--font-white);
      font-size: 14px;
      font-weight: 700;
      line-height: 17px;
      word-break: keep-all;
    }
  
    .bi-text {
      font-family: Pretendard;
      margin-left: 0px;
      color: var(--font-white);
      font-size: 12px;
      font-weight: 400;
      line-height: 14px;
      word-break: keep-all;
    }
  
    .bi-text ul {
      margin: 0;
      padding-left: 23px;
    }
  
    .bi-text ul li {
      margin-bottom: 5px;
    }
  
    .bi-text ul li:last-child {
      margin-bottom: 0px;
    }
  
    .bi-img-wrapper {
      width: 100%;
      display: flex;
      justify-content: center;
      align-items: flex-start;
      margin-top: 25px;
    }
  
    .bi-img {
      width: 82.5vw;
      background-color: var(--box-bg-gray);
      border-radius: 21px;
      box-shadow: var(--box-shadow);
      padding: 17px 10px;
    }

  }