body {
    background-color: #f5f5f5;
    color: #1f2937;
  }

  .page-title {
    font-size: 2rem;
    font-weight: 700;
  }

  .product-card {
    border: 3px solid #a7a7a7;
    border-radius: 0;
    overflow: hidden;
    background: #ffffff;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    height: 100%;
  }

  .product-image-wrap {
    position: relative;
    overflow: hidden;
    background: #e5e7eb;
  }

  .product-main-image {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    display: block;
  }

  .product-body {
    padding: 1.5rem;
  }

  .product-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
  }

  .product-desc {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1rem;
  }

  .feature-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem;
  }

  .feature-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.65rem;
    font-size: 1rem;
  }

  .feature-check {
    color: #0f766e;
    font-weight: 700;
  }

  .price-line,
  .color-line {
    font-size: 1rem;
    margin-bottom: 1rem;
  }

  .price-line strong,
  .color-line strong {
    margin-right: 0.35rem;
  }

  .swatches {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
  }

  .swatch-btn {
    width: 58px;
    height: 58px;
    border-radius: 50%;
    border: 2px solid #ccc;
    padding: 2px;
    background: #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  }

  .swatch-btn:hover {
    transform: translateY(-2px);
  }

  .swatch-btn.active {
    border-color: #651e7c;
  }

  .swatch-color {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 1px solid rgba(0, 0, 0, 0.08);
  }

  .section-note {
    color: #6b7280;
    font-size: 0.95rem;
  }