.fluid-cooler-page {
      font-family: Arial, Helvetica, sans-serif;
      color: #1f2933;
      line-height: 1.7;
      max-width: 1200px;
      margin: 0 auto;
      padding: 40px 20px;
      background: #ffffff;
    }

    .fluid-cooler-page h2 {
      font-size: 32px;
      color: #0f2f4a;
      margin-bottom: 18px;
      border-left: 5px solid #0b6fa4;
      padding-left: 16px;
    }

    .fluid-cooler-page h3 {
      font-size: 24px;
      color: #163b57;
      margin-bottom: 14px;
    }

    .fluid-cooler-page p {
      font-size: 16px;
      margin-bottom: 16px;
    }

    .fluid-cooler-page ul {
      padding-left: 22px;
      margin-bottom: 20px;
    }

    .fluid-cooler-page li {
      margin-bottom: 8px;
    }

    .content-section {
      margin-bottom: 70px;
    }

    .two-column {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
    }

    .two-column.reverse {
      grid-template-columns: 0.9fr 1.1fr;
    }

    .image-box img {
      width: 100%;
      height: auto;
      border-radius: 14px;
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
      display: block;
    }

    .image-caption {
      font-size: 13px;
      color: #6b7280;
      margin-top: 10px;
      text-align: center;
    }

    .feature-card {
      background: #f7f9fb;
      padding: 34px;
      border-radius: 16px;
      border: 1px solid #e5eaf0;
      box-shadow: 0 8px 24px rgba(15, 47, 74, 0.06);
    }

    .application-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: start;
    }

    .full-width-image {
      margin: 28px 0;
    }

    .full-width-image img {
      width: 100%;
      border-radius: 16px;
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
    }

    .note-box {
      background: #eef6fb;
      border-left: 5px solid #0b6fa4;
      padding: 24px 28px;
      border-radius: 12px;
      margin-top: 24px;
    }

    @media (max-width: 768px) {
      .two-column,
      .two-column.reverse,
      .application-grid {
        grid-template-columns: 1fr;
      }

      .fluid-cooler-page h2 {
        font-size: 26px;
      }

      .fluid-cooler-page h3 {
        font-size: 21px;
      }
    }