Aqui estão os códigos com o prefixo `section1-lp-inativos-` aplicado exatamente como você pediu. O restante da estrutura e propriedades foi mantido intacto.

### HTML

```html
<section class="section1-lp-inativos-section">
  <div class="section1-lp-inativos-container">

    <div class="section1-lp-inativos-content">
      <div class="section1-lp-inativos-eyebrow">
        VOLTE PARA A BLU
      </div>

<div class="section1-lp-inativos-title">
  Venda no <span>Pix ou em até 21x</span> com a maquininha mais moderna do mercado
</div>

      <div class="section1-lp-inativos-info">
        <p>
        Taxas especiais para quem já foi <strong>lojista parceiro</strong> Blu. Reative e volte a vender mais.
        </p>
      </div>

      <a href="#" class="section1-lp-inativos-button">
        Voltar para a Blu
      </a>
    </div>

    <div class="section1-lp-inativos-image">
      <img 
        src="https://7012573.fs1.hubspotusercontent-na1.net/hubfs/7012573/Inativos/Hero-%20nova%20maquininha%20blu.png" 
        alt="Nova Maquininha Blu"
      >
    </div>

  </div>
</section>

```

---

### CSS

```css
  .section1-lp-inativos-section { /* ... seus estilos atuais ... */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
    width: 100%;
    padding: 120px 24px 0px;
    background: #FFFFFF;
    font-family: 'Nunito Sans', sans-serif;
    box-sizing: border-box;
  }

  .section1-lp-inativos-section * {
    box-sizing: border-box;
  }

  .section1-lp-inativos-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
  }

  .section1-lp-inativos-content {
    max-width: 520px;
    flex: 1;
  }

  .section1-lp-inativos-eyebrow {
    margin-bottom: 8px;
    font-family: 'Nunito Sans', sans-serif;
    font-weight: 700;
    font-size: 12px;
    line-height: 18px;
    letter-spacing: 2.16px;
    text-transform: uppercase;
    color: #AAADC0;
  }

.section1-lp-inativos-title {
  margin: 0 0 24px 0;
  font-family: 'Nunito Sans', sans-serif !important;
  font-style: normal !important;
  font-weight: 800 !important;
  font-size: 40px;
  line-height: 100%;
  color: #11131D;
  letter-spacing: -1.2px;
  -webkit-text-stroke: 0.25px currentColor;
}

.section1-lp-inativos-title span {
  color: #0025E0;
  font-weight: 800 !important;
}

  .section1-lp-inativos-info {
    margin-bottom: 24px;
  }

  .section1-lp-inativos-info-title {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
  }

  .section1-lp-inativos-info-title img {
    display: block;
    flex-shrink: 0;
    padding-left:24px;
  }

  .section1-lp-inativos-info-title strong {
    font-family: 'Nunito Sans', sans-serif;
    font-weight: 700;
    font-size: 20px;
    line-height: 130%;
    color: #393B47;
  }

  .section1-lp-inativos-info p {
    margin: 0;
    font-family: 'Nunito Sans', sans-serif;
    font-weight: 400;
    font-size: 20px;
    line-height: 130%;
    color: #67697A;
  }

  .section1-lp-inativos-info p strong {
    font-weight: 800;
  }

  .section1-lp-inativos-button {
    width: 300px;
    height: 56px;
    border-radius: 500px;
    background: #0025E0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: 'Nunito Sans', sans-serif;
    font-weight: 700;
    font-size: 20px;
    line-height: 100%;
    color: #FFFFFF;
    text-align: center;
    text-decoration: none !important;
    transition: background-color 0.25s ease;
  }

  .section1-lp-inativos-button:hover {
    background: #5872F5;
    color: #FFFFFF;
    text-decoration: none !important;
  }

  .section1-lp-inativos-image {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    padding-right: 24px; !important
  }

  .section1-lp-inativos-image img {
    width: 100%;
    max-width: 540px;
    height: auto;
    display: block;
    padding-right: 24px; !important
  }

  @media (max-width: 900px) {
    .section1-lp-inativos-section {
      padding: 48px 20px 0px;
    }

    .section1-lp-inativos-container {
      flex-direction: column;
      align-items: flex-start;
      gap: 32px;
    }

    .section1-lp-inativos-content {
      max-width: 100%;
      width: 100%;
    }

    .section1-lp-inativos-title {
      font-size: 36px;
    }

    .section1-lp-inativos-info-title {
      gap: 8px;
    }

    .section1-lp-inativos-info-title strong {
      font-size: 16px;
    }

    .section1-lp-inativos-info p {
      padding-left: 0;
      font-size: 16px;
    }

    .section1-lp-inativos-button {
      width: 100%;
      height: 48px;
      font-size: 18px;
    }

    .section1-lp-inativos-image {
      width: 100%;
      justify-content: center;
          
    }

    .section1-lp-inativos-image img {
      width: 100%;
      max-width: 100%;
    }
  }

```