.ynf-product-detail-wrap {
    width: 100%;
    font-family: Arial, Helvetica, sans-serif;
    color: #111827;
    background: #ffffff;
    box-sizing: border-box;
  }

  .ynf-product-detail-wrap *,
  .ynf-product-detail-wrap *::before,
  .ynf-product-detail-wrap *::after {
    box-sizing: border-box;
  }

  .ynf-product-detail-container {
    max-width: 1200px;
    margin: 0 auto 24px;
  }

  .ynf-pd-overview-card {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 28px;
    align-items: stretch;
    padding: 38px;
    background: #f5f6f8;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
  }

  .ynf-pd-label {
    display: inline-flex;
    align-items: center;
    height: 32px;
    padding: 0 14px;
    margin-bottom: 18px;
    border-radius: 999px;
    background: #fff1f1;
    border: 1px solid #fecaca;
    color: #d71920;
    font-size: 13px;
    font-weight: 800;
  }

  .ynf-pd-overview-text h2,
  .ynf-pd-section-header h2,
  .ynf-pd-info-card h2,
  .ynf-pd-bottom-cta h2 {
    margin: 0 0 16px;
    color: #111827;
    font-size: 30px;
    line-height: 1.25;
    font-weight: 900;
  }

  .ynf-pd-overview-text h2::after,
  .ynf-pd-section-header h2::after,
  .ynf-pd-info-card h2::after {
    content: "";
    display: block;
    width: 48px;
    height: 3px;
    margin-top: 12px;
    background: #d71920;
  }

  .ynf-pd-overview-text p,
  .ynf-pd-section-header p,
  .ynf-pd-info-card p,
  .ynf-pd-service-card p,
  .ynf-pd-bottom-cta p {
    margin: 0 0 14px;
    color: #374151;
    font-size: 15px;
    line-height: 1.75;
  }

  .ynf-pd-overview-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 24px;
  }

  .ynf-pd-btn {
    min-width: 165px;
    height: 48px;
    padding: 0 22px;
    border-radius: 5px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 15px;
    font-weight: 800;
    transition: all 0.25s ease;
  }

  .ynf-pd-btn-red {
    background: #d71920;
    color: #ffffff;
    border: 2px solid #d71920;
  }

  .ynf-pd-btn-outline {
    background: #ffffff;
    color: #d71920;
    border: 2px solid #d71920;
  }

  .ynf-pd-btn:hover,
  .ynf-pd-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 22px rgba(215, 25, 32, 0.18);
  }

  .ynf-pd-overview-specs {
    padding: 28px;
    background: #ffffff;
    border-radius: 10px;
    border: 1px solid #e5e7eb;
  }

  .ynf-pd-overview-specs h3 {
    margin: 0 0 18px;
    color: #111827;
    font-size: 22px;
    font-weight: 900;
  }

  .ynf-pd-overview-specs table,
  .ynf-pd-clean-table {
    width: 100%;
    border-collapse: collapse;
  }

  .ynf-pd-overview-specs th,
  .ynf-pd-overview-specs td,
  .ynf-pd-clean-table th,
  .ynf-pd-clean-table td {
    padding: 13px 12px;
    border-bottom: 1px solid #e5e7eb;
    text-align: left;
    vertical-align: top;
    font-size: 14px;
    line-height: 1.5;
  }

  .ynf-pd-overview-specs th,
  .ynf-pd-clean-table th {
    width: 38%;
    color: #111827;
    font-weight: 900;
    background: #f9fafb;
  }

  .ynf-pd-overview-specs td,
  .ynf-pd-clean-table td {
    color: #374151;
  }

  .ynf-pd-section-card,
  .ynf-pd-faq-card {
    padding: 36px 38px;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
  }

  .ynf-pd-section-header {
    max-width: 860px;
    margin-bottom: 28px;
  }

  .ynf-pd-feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .ynf-pd-feature-item {
    padding: 24px 20px;
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    transition: all 0.25s ease;
  }

  .ynf-pd-feature-item:hover {
    border-color: #d71920;
    background: #fffafa;
    transform: translateY(-2px);
  }

  .ynf-pd-feature-icon {
    width: 42px;
    height: 42px;
    margin-bottom: 14px;
    border-radius: 50%;
    background: #d71920;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 900;
  }

  .ynf-pd-feature-item h3,
  .ynf-pd-process-item h3,
  .ynf-pd-service-card h3 {
    margin: 0 0 10px;
    color: #111827;
    font-size: 18px;
    line-height: 1.3;
    font-weight: 900;
  }

  .ynf-pd-feature-item p,
  .ynf-pd-process-item p {
    margin: 0;
    color: #374151;
    font-size: 14px;
    line-height: 1.6;
  }

  .ynf-pd-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .ynf-pd-info-card {
    padding: 34px;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
  }

  .ynf-pd-red-note {
    background: #fff7f7;
    border-color: #fecaca;
  }

  .ynf-pd-red-note ul {
    margin: 18px 0 18px;
    padding: 0;
    list-style: none;
  }

  .ynf-pd-red-note li {
    position: relative;
    padding-left: 26px;
    margin-bottom: 12px;
    color: #111827;
    font-size: 15px;
    line-height: 1.55;
    font-weight: 700;
  }

  .ynf-pd-red-note li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: #16a34a;
    font-weight: 900;
  }

  .ynf-pd-process-section {
    padding: 38px;
    background: #f3f5f7;
    border-radius: 12px;
  }

  .ynf-pd-process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

  .ynf-pd-process-item {
    padding: 24px 18px;
    background: #ffffff;
    border-radius: 10px;
    border: 1px solid #e5e7eb;
    text-align: center;
  }

  .ynf-pd-process-item span {
    width: 46px;
    height: 46px;
    margin: 0 auto 16px;
    border-radius: 50%;
    background: #d71920;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 900;
  }

  .ynf-pd-buyer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
  }

  .ynf-pd-buyer-item {
    padding: 16px 18px;
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    color: #111827;
    font-size: 15px;
    font-weight: 900;
  }

  .ynf-pd-buyer-item::before {
    content: "✓";
    margin-right: 8px;
    color: #16a34a;
    font-weight: 900;
  }

  .ynf-pd-three-col {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .ynf-pd-service-card {
    padding: 28px;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
  }

  .ynf-pd-service-card h3::after {
    content: "";
    display: block;
    width: 38px;
    height: 3px;
    margin-top: 10px;
    background: #d71920;
  }

  .ynf-pd-service-card p {
    margin-top: 16px;
    margin-bottom: 0;
  }

  .ynf-pd-faq-list {
    display: grid;
    gap: 12px;
  }

  .ynf-pd-faq-list details {
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    overflow: hidden;
  }

  .ynf-pd-faq-list summary {
    cursor: pointer;
    padding: 18px 20px;
    color: #111827;
    font-size: 16px;
    font-weight: 900;
    list-style: none;
  }

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

  .ynf-pd-faq-list summary::after {
    content: "+";
    float: right;
    color: #d71920;
    font-size: 22px;
    line-height: 1;
    font-weight: 900;
  }

  .ynf-pd-faq-list details[open] summary::after {
    content: "–";
  }

  .ynf-pd-faq-list details p {
    margin: 0;
    padding: 0 20px 18px;
    color: #374151;
    font-size: 15px;
    line-height: 1.7;
  }

  .ynf-pd-bottom-cta {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 24px;
    align-items: center;
    padding: 34px 38px;
    border-radius: 12px;
    background: linear-gradient(90deg, #b60000 0%, #d71920 55%, #9f0000 100%);
  }

  .ynf-pd-bottom-cta h2 {
    color: #ffffff;
  }

  .ynf-pd-bottom-cta p {
    max-width: 780px;
    margin-bottom: 0;
    color: #ffffff;
  }

  .ynf-pd-bottom-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
  }

  .ynf-pd-cta-btn {
    min-width: 160px;
    height: 48px;
    padding: 0 22px;
    border-radius: 5px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 15px;
    font-weight: 900;
    transition: all 0.25s ease;
  }

  .ynf-pd-cta-white {
    background: #ffffff;
    color: #d71920;
    border: 2px solid #ffffff;
  }

  .ynf-pd-cta-outline {
    background: transparent;
    color: #ffffff;
    border: 2px solid #ffffff;
  }

  @media (max-width: 991px) {
    .ynf-pd-overview-card,
    .ynf-pd-two-col,
    .ynf-pd-bottom-cta {
      grid-template-columns: 1fr;
    }

    .ynf-pd-feature-grid,
    .ynf-pd-process-grid,
    .ynf-pd-buyer-grid,
    .ynf-pd-three-col {
      grid-template-columns: repeat(2, 1fr);
    }

    .ynf-pd-bottom-buttons {
      justify-content: flex-start;
    }
  }

  @media (max-width: 575px) {
    .ynf-product-detail-container {
      margin-bottom: 18px;
    }

    .ynf-pd-overview-card,
    .ynf-pd-section-card,
    .ynf-pd-info-card,
    .ynf-pd-process-section,
    .ynf-pd-faq-card,
    .ynf-pd-bottom-cta {
      padding: 26px 18px;
      border-radius: 10px;
    }

    .ynf-pd-overview-text h2,
    .ynf-pd-section-header h2,
    .ynf-pd-info-card h2,
    .ynf-pd-bottom-cta h2 {
      font-size: 24px;
    }

    .ynf-pd-feature-grid,
    .ynf-pd-process-grid,
    .ynf-pd-buyer-grid,
    .ynf-pd-three-col {
      grid-template-columns: 1fr;
    }

    .ynf-pd-btn,
    .ynf-pd-cta-btn {
      width: 100%;
    }

    .ynf-pd-overview-specs {
      padding: 20px 16px;
    }

    .ynf-pd-overview-specs th,
    .ynf-pd-overview-specs td,
    .ynf-pd-clean-table th,
    .ynf-pd-clean-table td {
      display: block;
      width: 100%;
    }

    .ynf-pd-overview-specs th,
    .ynf-pd-clean-table th {
      border-bottom: none;
      padding-bottom: 4px;
    }

    .ynf-pd-overview-specs td,
    .ynf-pd-clean-table td {
      padding-top: 4px;
    }
  }