.ynf-collection-middle-section {
    width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    background: #ffffff;
    padding: 70px 24px 86px;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
  }

  .ynf-collection-middle-section * {
    box-sizing: border-box;
  }

  .ynf-collection-middle-container {
    max-width: 1500px;
    margin: 0 auto;
  }

  /* Inquiry Strip */
  .ynf-inquiry-strip {
    display: grid;
    grid-template-columns: 300px minmax(0, 1fr) 220px;
    gap: 22px;
    align-items: stretch;
    padding: 34px 30px;
    background: #fbf8f8;
    border: 1px solid #f0eaea;
    border-radius: 10px;
    margin-bottom: 82px;
  }

  .ynf-inquiry-title-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
  }

  .ynf-icon,
  .ynf-icon-sm,
  .ynf-why-icon {
    color: #e60012;
  }

  .ynf-icon svg,
  .ynf-icon-sm svg,
  .ynf-why-icon svg {
    width: 100%;
    height: 100%;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    display: block;
  }

  .ynf-icon {
    width: 19px;
    height: 19px;
    flex: 0 0 19px;
  }

  .ynf-icon svg {
    stroke-width: 2.4;
  }

  .ynf-icon-sm {
    width: 14px;
    height: 14px;
    flex: 0 0 14px;
  }

  .ynf-icon-sm svg {
    stroke-width: 2.3;
  }

  .ynf-inquiry-intro h2 {
    margin: 0;
    color: #111111;
    font-size: 20px;
    line-height: 1.2;
    font-weight: 800;
  }

  .ynf-inquiry-intro p {
    margin: 0;
    color: #555555;
    font-size: 15px;
    line-height: 1.65;
  }

  .ynf-inquiry-cards {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }

  .ynf-mini-card {
    background: #ffffff;
    border: 1px solid #ece8e8;
    border-radius: 8px;
    padding: 22px 18px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.03);
  }

  .ynf-mini-title {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
  }

  .ynf-mini-title strong {
    color: #222222;
    font-size: 15px;
    line-height: 1.2;
    font-weight: 800;
  }

  .ynf-mini-card p {
    margin: 0;
    color: #666666;
    font-size: 14px;
    line-height: 1.55;
  }

  .ynf-inquiry-cta {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: stretch;
  }

  .ynf-red-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 14px 20px;
    background: #e60012;
    color: #ffffff !important;
    border: 2px solid #e60012;
    border-radius: 5px;
    text-decoration: none;
    font-size: 16px;
    line-height: 1;
    font-weight: 800;
    box-shadow: 0 6px 14px rgba(230, 0, 18, 0.2);
    transition: all 0.22s ease;
  }

  .ynf-red-btn:hover {
    background: #b9000e;
    border-color: #b9000e;
    transform: translateY(-2px);
  }

  .ynf-inquiry-cta span {
    display: block;
    margin-top: 14px;
    color: #666666;
    font-size: 14px;
    line-height: 1.5;
    text-align: center;
  }

  /* Section Heading */
  .ynf-section-heading {
    text-align: center;
    margin-bottom: 34px;
  }

  .ynf-section-heading h2 {
    margin: 0;
    color: #111111;
    font-size: 24px;
    line-height: 1.25;
    font-weight: 800;
  }

  /* Why Choose */
  .ynf-why-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 18px;
    margin-bottom: 86px;
  }

  .ynf-why-card {
    padding: 24px 20px;
    background: #ffffff;
    border: 1px solid #ececec;
    border-radius: 8px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.035);
    text-align: left;
  }

  .ynf-why-icon {
    width: 18px !important;
    height: 18px !important;
    flex: 0 0 18px !important;
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
  }

  .ynf-why-icon svg {
    width: 18px !important;
    height: 18px !important;
    stroke-width: 2.2 !important;
  }

  .ynf-why-card h3 {
    margin: 12px 0 8px;
    color: #111111;
    font-size: 18px;
    line-height: 1.25;
    font-weight: 800;
  }

  .ynf-why-card p {
    margin: 0;
    color: #666666;
    font-size: 14px;
    line-height: 1.55;
  }

  /* Applications */
  .ynf-section-heading-apps {
    margin-bottom: 30px;
  }

  .ynf-applications-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 86px;
  }

  .ynf-app-card {
    text-align: center;
  }

  .ynf-app-card img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid #ececec;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.03);
    background: #f5f5f5;
  }

  .ynf-app-card span {
    display: block;
    margin-top: 10px;
    color: #333333;
    font-size: 14px;
    line-height: 1.3;
    font-weight: 700;
  }

  /* FAQ */
  .ynf-section-heading-faq {
    margin-bottom: 30px;
  }

  .ynf-faq-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 16px;
  }

  .ynf-faq-item {
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    background: #ffffff;
    overflow: hidden;
  }

  .ynf-faq-item summary {
    list-style: none;
    cursor: pointer;
    position: relative;
    padding: 18px 44px 18px 18px;
    color: #222222;
    font-size: 16px;
    line-height: 1.4;
    font-weight: 700;
  }

  .ynf-faq-item summary::-webkit-details-marker {
    display: none;
  }

  .ynf-faq-item summary::after {
    content: "+";
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: #777777;
    font-size: 22px;
    font-weight: 500;
  }

  .ynf-faq-item[open] summary::after {
    content: "−";
  }

  .ynf-faq-answer {
    padding: 0 18px 18px;
    color: #666666;
    font-size: 15px;
    line-height: 1.6;
  }

  @media (max-width: 1300px) {
    .ynf-inquiry-strip {
      grid-template-columns: 1fr;
    }

    .ynf-inquiry-cards {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .ynf-inquiry-cta {
      align-items: flex-start;
    }

    .ynf-inquiry-cta span {
      text-align: left;
    }

    .ynf-why-grid {
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .ynf-applications-grid {
      grid-template-columns: repeat(4, minmax(0, 1fr));
    }
  }

  @media (max-width: 900px) {
    .ynf-collection-middle-section {
      padding: 54px 16px 66px;
    }

    .ynf-inquiry-strip {
      margin-bottom: 64px;
    }

    .ynf-why-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
      margin-bottom: 68px;
    }

    .ynf-applications-grid {
      grid-template-columns: repeat(3, minmax(0, 1fr));
      margin-bottom: 68px;
    }

    .ynf-faq-grid {
      grid-template-columns: 1fr;
    }
  }

  @media (max-width: 640px) {
    .ynf-inquiry-strip {
      padding: 24px 18px;
    }

    .ynf-inquiry-cards {
      grid-template-columns: 1fr;
    }

    .ynf-why-grid {
      grid-template-columns: 1fr;
      gap: 14px;
    }

    .ynf-applications-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }

    .ynf-section-heading h2 {
      font-size: 20px;
    }

    .ynf-app-card span {
      font-size: 13px;
    }
  }

  @media (max-width: 420px) {
    .ynf-applications-grid {
      grid-template-columns: 1fr;
    }
  }