.qt-column-guide,
  .qt-column-guide * {
    box-sizing: border-box;
  }

  .qt-column-guide {
    width: 100%;
    max-width: 1080px;
    margin: 0 auto;
    padding: 44px 42px 52px;
    background: #ffffff;
    color: #2c3e4f;
    font-family: Arial, Helvetica, sans-serif;
    border-radius: 24px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
  }

  .qt-column-guide p {
    margin: 0 0 19px;
    color: #2c3e4f;
    font-size: 16px;
    line-height: 1.78;
  }

  .qt-column-guide ul {
    margin: 10px 0 22px;
    padding-left: 22px;
  }

  .qt-column-guide li {
    margin-bottom: 9px;
    color: #2c3e4f;
    font-size: 16px;
    line-height: 1.68;
  }

  .qt-column-guide strong {
    color: #111827;
  }

  .qt-section {
    margin-top: 44px;
  }

  .qt-section-title {
    margin: 0 0 24px;
    padding-left: 14px;
    color: #0f172a;
    font-size: 22px;
    font-weight: 700;
    line-height: 1.4;
    border-left: 4px solid #007bff;
  }

  /* First two images remain unchanged */
  .qt-solution-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin: 30px 0 36px;
  }

  .qt-solution-card {
    position: relative;
    overflow: hidden;
    padding: 25px 24px;
    background: #ffffff;
    border: 1px solid #dbe7f3;
    border-radius: 16px;
    box-shadow: 0 7px 20px rgba(15, 23, 42, 0.05);
  }

  .qt-solution-card::before {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: #007bff;
    content: "";
  }

  .qt-solution-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    margin-bottom: 15px;
    background: #eaf3ff;
    color: #007bff;
    font-size: 17px;
    font-weight: 700;
    border-radius: 50%;
  }

  .qt-solution-card h3 {
    margin: 0 0 10px;
    color: #111827;
    font-size: 18px;
    line-height: 1.4;
  }

  .qt-solution-card p {
    margin: 0;
    color: #475569;
    font-size: 14.5px;
    line-height: 1.7;
  }

  /*
   * Two main solution sections
   * The media position alternates to separate the two topics visually.
   */
  .qt-feature-block {
    display: grid;
    grid-template-columns: minmax(300px, 43%) minmax(0, 1fr);
    align-items: center;
    gap: 36px;
    padding: 12px 0 34px;
  }

  .qt-feature-block-reverse {
    grid-template-columns: minmax(0, 1fr) minmax(300px, 43%);
    padding-top: 34px;
  }

  .qt-feature-block-reverse .qt-feature-media {
    order: 2;
  }

  .qt-feature-block-reverse .qt-feature-content {
    order: 1;
  }

  .qt-feature-media {
    min-width: 0;
  }

  .qt-feature-media img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 440px;
    object-fit: cover;
    border: 1px solid #dbe7f3;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.09);
  }

  /*
   * Do not force the video into a horizontal 4:3 box.
   * It now follows its original dimensions, removing CSS-created side bars.
   */
  .qt-feature-media video {
    display: block;
    width: 100%;
    height: auto;
    max-height: 500px;
    aspect-ratio: auto;
    object-fit: initial;
    background: transparent;
    border: 1px solid #dbe7f3;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.09);
  }

  .qt-feature-label {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 12px;
    color: #007bff;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    line-height: 1.4;
    text-transform: uppercase;
  }

  .qt-feature-label span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 31px;
    height: 31px;
    background: #eaf3ff;
    color: #007bff;
    border-radius: 50%;
  }

  .qt-feature-content h3 {
    margin: 0 0 15px;
    color: #111827;
    font-size: 21px;
    line-height: 1.4;
  }

  .qt-feature-content p:last-child {
    margin-bottom: 0;
  }

  .qt-major-divider {
    width: 100%;
    height: 1px;
    margin: 0;
    background: linear-gradient(
      to right,
      transparent,
      #cbd5e1 12%,
      #cbd5e1 88%,
      transparent
    );
  }

  /*
   * Column types use the same visual system,
   * but alternate media direction.
   */
  .qt-column-type {
    display: grid;
    grid-template-columns: minmax(280px, 39%) minmax(0, 1fr);
    align-items: center;
    gap: 32px;
    padding: 30px 0;
    border-bottom: 1px solid #e2e8f0;
  }

  .qt-column-type-reverse {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 39%);
  }

  .qt-column-type-reverse .qt-type-media {
    order: 2;
  }

  .qt-column-type-reverse .qt-type-content {
    order: 1;
  }

  .qt-column-type:last-child {
    padding-bottom: 0;
    border-bottom: 0;
  }

  .qt-type-media img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border: 1px solid #dbe7f3;
    border-radius: 14px;
    box-shadow: 0 7px 20px rgba(15, 23, 42, 0.07);
  }

  .qt-type-content h3,
  .qt-column-text h3 {
    margin: 0 0 13px;
    color: #172554;
    font-size: 19px;
    font-weight: 700;
    line-height: 1.4;
  }

  .qt-type-content p:last-child,
  .qt-column-text p:last-child {
    margin-bottom: 0;
  }

  .qt-column-text {
    padding: 30px 0 4px;
  }

  .qt-checklist {
    margin: 26px 0 28px;
    padding: 27px 28px;
    background: #f8fafc;
    border: 1px solid #dce7f3;
    border-radius: 16px;
  }

  .qt-checklist h3 {
    margin: 0 0 16px;
    color: #111827;
    font-size: 18px;
    line-height: 1.4;
  }

  .qt-checklist ul {
    margin-bottom: 0;
  }

  .qt-checklist li:last-child {
    margin-bottom: 0;
  }

  .qt-note {
    margin: 24px 0;
    padding: 20px 23px;
    background: #f0f6ff;
    border-left: 4px solid #007bff;
    border-radius: 0 12px 12px 0;
  }

  .qt-note p {
    margin: 0;
    color: #243b64;
    font-size: 15.5px;
    line-height: 1.72;
  }

  .qt-final-message {
    margin: 26px 0 0;
    padding: 22px 25px;
    background: #f0f6ff;
    border-left: 4px solid #007bff;
    border-radius: 0 12px 12px 0;
  }

  .qt-final-message p {
    margin: 0;
    color: #172554;
    font-size: 16.5px;
    font-weight: 700;
    line-height: 1.7;
  }

  .qt-cta {
    margin-top: 44px;
    padding: 32px 30px;
    background: #f8fafc;
    border: 1px solid #dce7f3;
    border-radius: 18px;
    text-align: center;
  }

  .qt-cta h2 {
    margin: 0 0 12px;
    color: #0f172a;
    font-size: 24px;
    line-height: 1.4;
  }

  .qt-cta p {
    max-width: 740px;
    margin: 0 auto 18px;
  }

  .qt-contact {
    margin: 18px 0;
    color: #334155;
    font-size: 15px;
    line-height: 1.9;
  }

  .qt-contact a {
    color: #007bff;
    text-decoration: none;
  }

  .qt-contact a:hover {
    text-decoration: underline;
  }

  .qt-button {
    display: inline-block;
    margin-top: 4px;
    padding: 13px 29px;
    background: #007bff;
    color: #ffffff !important;
    font-size: 15px;
    font-weight: 700;
    text-decoration: none !important;
    border-radius: 40px;
    transition: background 0.2s ease;
  }

  .qt-button:hover {
    background: #0069d9;
  }

  @media (max-width: 760px) {
    .qt-column-guide {
      padding: 30px 20px 38px;
      border-radius: 18px;
    }

    .qt-column-guide p,
    .qt-column-guide li {
      font-size: 15.5px;
    }

    .qt-solution-grid {
      grid-template-columns: 1fr;
    }

    .qt-section {
      margin-top: 36px;
    }

    .qt-section-title {
      font-size: 20px;
    }

    .qt-feature-block,
    .qt-feature-block-reverse,
    .qt-column-type,
    .qt-column-type-reverse {
      grid-template-columns: 1fr;
      gap: 21px;
    }

    .qt-feature-block {
      padding: 5px 0 28px;
    }

    .qt-feature-block-reverse {
      padding-top: 28px;
    }

    .qt-feature-block-reverse .qt-feature-media,
    .qt-feature-block-reverse .qt-feature-content,
    .qt-column-type-reverse .qt-type-media,
    .qt-column-type-reverse .qt-type-content {
      order: initial;
    }

    .qt-feature-media {
      display: flex;
      justify-content: center;
    }

    .qt-feature-media video {
      width: auto;
      max-width: 100%;
      max-height: 520px;
    }

    .qt-feature-media img,
    .qt-type-media img {
      width: 100%;
    }

    .qt-column-type {
      padding: 25px 0;
    }

    .qt-solution-card,
    .qt-checklist,
    .qt-cta {
      padding: 23px 21px;
    }

    .qt-cta h2 {
      font-size: 21px;
    }
  }