@media screen and (min-width: 1240px) and (max-width: 1360px) {
  /* container */
  .container {
    padding: 0 20px;
  }

  /* system */
  .systemTitle {
    font-size: 18px;
  }
}

@media screen and (max-width: 1024px) {
  /* container */
  .container,
  .headerContainer {
    padding: 0 20px;
  }

  /* system */
  .systemTitle {
    font-size: 18px;
  }
}

@media screen and (max-width: 991px) {
  /* content */
  .contentSub1 {
    margin-top: 50px;
  }

  /* system */
  .systemInner,
  .systemLeft,
  .systemRight {
    flex-direction: column;
    gap: 20px;
  }
  .systemLeftImg {
    border-width: 2px;
    border-color: #000;
  }
  .systemTitle {
    font-weight: 700;
    text-align: center;
  }
  .systemPrice {
    font-weight: 700;
    text-align: center;
  }
  .systemBtn {
    font-weight: 700;
  }

  /* footer */
  .footer {
    margin-bottom: 200px;
  }
}
@media screen and (max-width: 767px) {
  /* header */
  .headerBottomLinks {
    display: none;
  }
  .headerTop {
    padding: 20px 16px;
  }

  /* content */
  .content {
    margin-top: 30px;
  }
  .contentTitle {
    font-size: 23px;
    line-height: 33px;
  }
  .contentTitle1 {
    font-size: 20px;
    margin-top: 30px;
  }
  .contentSub,
  .contentSub1 {
    font-size: 18px;
  }
  .contentSub1 {
    margin-top: 30px;
  }
  .contentBoxSub {
    font-size: 16px;
    line-height: 22px;
  }
  .contentBoxBtn {
    font-size: 22px;
  }
  .form {
    padding: 20px;
  }
  .formSub {
    font-size: 20px;
  }
  .formTitle {
    font-size: 20px;
    line-height: 30px;
  }
  .formTitle span {
    font-size: 30px;
    line-height: 40px;
  }
  .formSub1 {
    font-size: 17px;
    line-height: 27px;
  }

  /* system */
  .system {
    margin-top: 50px;
  }
  .systemInner,
  .systemLeft,
  .systemRight {
    gap: 10px;
  }
  .systemTitle {
    font-size: 15px;
  }

  /* footer */
  .footer {
    padding: 24px 0;
  }
}