.yjd-black-grain {
    --accent: #F5B418;
    --ink: #202124;
    --muted: #5f6368;
    --line: #e3e6e9;
    --soft: #fff9e8;
    color: var(--ink);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 15px;
    line-height: 1.7;
    max-width: 1120px;
    margin: 0 auto;
  }
  .yjd-black-grain * { box-sizing: border-box; }
  .yjd-black-grain h2 {
    margin: 34px 0 14px;
    padding-left: 12px;
    border-left: 4px solid var(--accent);
    font-size: 24px;
    line-height: 1.35;
  }
  .yjd-black-grain h3 {
    margin: 18px 0 8px;
    font-size: 18px;
    line-height: 1.4;
  }
  .yjd-black-grain p { margin: 10px 0; }
  .yjd-black-grain .intro {
    padding: 20px 22px;
    background: var(--soft);
    border-top: 3px solid var(--accent);
  }
  .yjd-black-grain .facts {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    margin: 16px 0 22px;
  }
  .yjd-black-grain .fact {
    padding: 13px 14px;
    border: 1px solid var(--line);
    background: #fff;
  }
  .yjd-black-grain .fact strong {
    display: block;
    margin-bottom: 3px;
    font-size: 17px;
  }
  .yjd-black-grain figure { margin: 0; }
  .yjd-black-grain figure img {
    display: block;
    width: 100%;
    height: auto;
    border: 1px solid var(--line);
  }
  .yjd-black-grain figcaption {
    padding: 8px 2px;
    color: var(--muted);
    font-size: 13px;
  }
  .yjd-black-grain .single-image {
    margin: 20px 0 24px;
  }
  .yjd-black-grain .factory-section {
    margin: 24px 0;
    padding: 18px;
    border: 1px solid var(--line);
  }
  .yjd-black-grain .factory-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 16px;
  }
  .yjd-black-grain .factory-grid figure img {
    aspect-ratio: 4 / 3;
    object-fit: cover;
  }
  .yjd-black-grain .table-wrap {
    width: 100%;
    overflow-x: auto;
    margin: 16px 0 20px;
  }
  .yjd-black-grain table {
    width: 100%;
    min-width: 620px;
    border-collapse: collapse;
  }
  .yjd-black-grain th,
  .yjd-black-grain td {
    padding: 11px 13px;
    border: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
  }
  .yjd-black-grain th {
    background: #fff3c7;
    font-weight: 700;
  }
  .yjd-black-grain .options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 20px;
    margin: 14px 0 22px;
  }
  .yjd-black-grain .option {
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-top: 2px solid var(--accent);
  }
  .yjd-black-grain .note {
    color: var(--muted);
    font-size: 13px;
  }
  .yjd-black-grain ol { padding-left: 22px; }
  .yjd-black-grain li { margin: 8px 0; }
  .yjd-black-grain a {
    color: #594000;
    text-decoration: underline;
    text-decoration-color: var(--accent);
    text-underline-offset: 3px;
  }
  .yjd-black-grain .faq {
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
  }
  @media (max-width: 700px) {
    .yjd-black-grain .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  }
  @media (max-width: 560px) {
    .yjd-black-grain { font-size: 14px; }
    .yjd-black-grain h2 { font-size: 21px; }
    .yjd-black-grain .intro { padding: 16px; }
    .yjd-black-grain .factory-section { padding: 12px; }
    .yjd-black-grain .factory-grid,
    .yjd-black-grain .options { grid-template-columns: 1fr; }
  }