.yjd-stacked-prefab {
    --accent: #F5B418;
    --ink: #111827;
    --muted: #5f6368;
    --line: #e3e6e9;
    --soft: #fff9e8;
    max-width: 1120px;
    margin: 0 auto;
    color: var(--ink);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 16px;
    line-height: 1.75;
    overflow-wrap: break-word;
  }

  .yjd-stacked-prefab * {
    box-sizing: border-box;
  }

  .yjd-stacked-prefab h2 {
    margin: 32px 0 14px;
    padding-left: 12px;
    border-left: 4px solid var(--accent);
    font-size: 25px;
    line-height: 1.35;
    color: var(--ink);
  }

  .yjd-stacked-prefab h3 {
    margin: 0 0 9px;
    font-size: 19px;
    line-height: 1.4;
    color: var(--ink);
  }

  .yjd-stacked-prefab p {
    margin: 0 0 14px;
  }

  .yjd-stacked-prefab .overview {
    padding: 22px;
    background: var(--soft);
    border-top: 3px solid var(--accent);
  }

  .yjd-stacked-prefab .overview h2 {
    margin-top: 0;
  }

  .yjd-stacked-prefab .overview p:last-child {
    margin-bottom: 0;
  }

  .yjd-stacked-prefab .facts {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin: 20px 0 24px;
  }

  .yjd-stacked-prefab .fact {
    padding: 15px;
    border: 1px solid var(--line);
    background: #fff;
  }

  .yjd-stacked-prefab .fact strong {
    display: block;
    margin-bottom: 5px;
    font-size: 18px;
  }

  .yjd-stacked-prefab .fact span {
    display: block;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.6;
  }

  .yjd-stacked-prefab figure {
    margin: 22px 0;
  }

  .yjd-stacked-prefab figure img {
    display: block;
    width: 100%;
    height: auto;
    margin: 0 auto;
    border: 1px solid var(--line);
  }

  .yjd-stacked-prefab .module-diagram {
    max-width: 590px;
    margin-right: auto;
    margin-left: auto;
  }

  .yjd-stacked-prefab figcaption {
    padding: 9px 2px 0;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.6;
  }

  .yjd-stacked-prefab .table-wrap {
    width: 100%;
    overflow-x: auto;
    margin: 18px 0;
  }

  .yjd-stacked-prefab table {
    width: 100%;
    border-collapse: collapse;
  }

  .yjd-stacked-prefab caption {
    padding: 0 0 10px;
    text-align: left;
    color: var(--muted);
    font-size: 14px;
  }

  .yjd-stacked-prefab th,
  .yjd-stacked-prefab td {
    padding: 12px 14px;
    border: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
    overflow-wrap: anywhere;
  }

  .yjd-stacked-prefab thead th {
    background: #fff3c7;
    font-weight: 700;
  }

  .yjd-stacked-prefab tbody th {
    width: 29%;
    background: #fffdf7;
    font-weight: 600;
  }

  .yjd-stacked-prefab .comparison {
    min-width: 620px;
  }

  .yjd-stacked-prefab .cards {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin: 18px 0;
  }

  .yjd-stacked-prefab .card {
    padding: 19px;
    border: 1px solid var(--line);
    border-top: 3px solid var(--accent);
    background: #fff;
  }

  .yjd-stacked-prefab .card p:last-child {
    margin-bottom: 0;
  }

  .yjd-stacked-prefab .note {
    margin: 18px 0;
    padding: 15px 17px;
    border-left: 3px solid var(--accent);
    background: #f7f8fa;
    color: #4b5563;
    font-size: 14px;
    line-height: 1.7;
  }

  .yjd-stacked-prefab ol,
  .yjd-stacked-prefab ul {
    margin: 12px 0 18px;
    padding-left: 23px;
  }

  .yjd-stacked-prefab li {
    margin-bottom: 10px;
  }

  .yjd-stacked-prefab a {
    color: #594000;
    text-decoration: underline;
    text-decoration-color: var(--accent);
    text-underline-offset: 3px;
  }

  .yjd-stacked-prefab a:hover {
    text-decoration-thickness: 2px;
  }

  .yjd-stacked-prefab a:focus-visible {
    outline: 2px solid #594000;
    outline-offset: 4px;
  }

  .yjd-stacked-prefab .faq {
    padding: 18px 0;
    border-bottom: 1px solid var(--line);
  }

  .yjd-stacked-prefab .faq p:last-child {
    margin-bottom: 0;
  }

  .yjd-stacked-prefab .resources {
    margin-top: 24px;
    padding: 20px;
    background: var(--soft);
  }

  .yjd-stacked-prefab .resources p:last-child {
    margin-bottom: 0;
  }

  @media (max-width: 760px) {
    .yjd-stacked-prefab .facts {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
  }

  @media (max-width: 560px) {
    .yjd-stacked-prefab h2 {
      font-size: 22px;
      margin-top: 28px;
    }

    .yjd-stacked-prefab h3 {
      font-size: 18px;
    }

    .yjd-stacked-prefab .overview,
    .yjd-stacked-prefab .resources {
      padding: 17px;
    }

    .yjd-stacked-prefab .cards {
      grid-template-columns: 1fr;
    }

    .yjd-stacked-prefab th,
    .yjd-stacked-prefab td {
      padding: 10px;
    }

    .yjd-stacked-prefab .fact {
      padding: 12px;
    }
  }