.optical-cooling-page {
    --navy: #102a43;
    --blue: #1e88e5;
    --blue-dark: #0f5fa8;
    --light: #f5f9ff;
    --border: #d9e2ec;
    --text: #334155;
    --muted: #52616f;
    --white: #ffffff;

    max-width: 1200px;
    margin: 0 auto;
    padding: 48px 22px 64px;
    font-family: Calibri, Arial, Helvetica, sans-serif;
    color: var(--text);
    line-height: 1.75;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  }

  .optical-cooling-page * {
    box-sizing: border-box;
  }

  .optical-cooling-page h1,
  .optical-cooling-page h2 {
    color: var(--navy);
    line-height: 1.2;
    margin: 0 0 20px;
    font-weight: 700;
  }

  .optical-cooling-page h1 {
    font-size: 38px;
    padding-left: 16px;
    border-left: 5px solid var(--blue);
  }

  .optical-cooling-page h2 {
    font-size: 26px;
  }

  .optical-cooling-page p {
    font-size: 16px;
    color: var(--muted);
    margin: 0 0 16px;
  }

  .optical-cooling-page ul {
    margin: 18px 0 24px;
    padding-left: 22px;
  }

  .optical-cooling-page li {
    margin-bottom: 8px;
    color: var(--text);
  }

  .optical-cooling-page li p {
    margin: 0;
  }

  .hero-section,
  .content-section {
    margin-bottom: 52px;
    padding: 38px;
    border-radius: 24px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 12px 34px rgba(16, 42, 67, 0.07);
  }

  .hero-section {
    background: linear-gradient(135deg, #102a43, #1e88e5);
    color: #ffffff;
  }

  .hero-section h1,
  .hero-section h2,
  .hero-section p {
    color: #ffffff;
    border-left-color: #ffffff;
  }

  .two-column {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 38px;
    align-items: center;
  }

  .two-column.reverse {
    grid-template-columns: 0.95fr 1.05fr;
  }

  .image-box {
    padding: 14px;
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: 20px;
  }

  .image-box img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 16px;
    box-shadow: 0 12px 30px rgba(16, 42, 67, 0.13);
  }

  .image-caption {
    margin-top: 12px;
    font-size: 14px;
    color: #64748b;
    text-align: center;
  }

  .feature-list {
    list-style: none;
    padding: 0;
    display: grid;
    gap: 12px;
  }

  .feature-list li {
    padding: 14px 18px;
    border-radius: 14px;
    background: var(--light);
    border: 1px solid var(--border);
    border-left: 4px solid var(--blue);
  }

  .metric-box {
    margin: 20px 0;
    padding: 28px;
    border-radius: 20px;
    background: linear-gradient(135deg, #102a43, #1e88e5);
    color: #ffffff;
    text-align: center;
  }

  .metric-box h2 {
    color: #ffffff;
    font-size: 42px;
    margin: 0;
  }

  .table-wrap {
    overflow-x: auto;
    margin: 24px 0;
    border-radius: 18px;
    border: 1px solid var(--border);
    box-shadow: 0 10px 28px rgba(16, 42, 67, 0.06);
  }

  .spec-table {
    width: 100%;
    border-collapse: collapse;
    background: #ffffff;
    font-size: 15.5px;
  }

  .spec-table th,
  .spec-table td {
    border: 1px solid var(--border);
    padding: 15px 18px;
    text-align: left;
    color: var(--text);
  }

  .spec-table th {
    background: var(--navy);
    color: #ffffff;
    font-weight: 700;
  }

  .spec-table tr:nth-child(even) {
    background: #f8fafc;
  }

  .quote-section {
    text-align: center;
    padding: 56px 32px;
    border-radius: 30px;
    background: linear-gradient(135deg, #102a43, #1e88e5);
    color: #ffffff;
    box-shadow: 0 18px 45px rgba(16, 42, 67, 0.16);
  }

  .quote-section h2 {
    color: #ffffff;
    font-size: 38px;
    margin-bottom: 16px;
  }

  .quote-section p {
    max-width: 760px;
    margin: 0 auto 30px;
    color: #eaf4ff;
    font-size: 17px;
  }

  .quote-button {
    display: inline-block;
    padding: 15px 36px;
    border-radius: 999px;
    background: #ffffff;
    color: #102a43;
    text-decoration: none;
    font-size: 17px;
    font-weight: 800;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
    transition: all 0.25s ease;
  }

  .quote-button:hover {
    transform: translateY(-2px);
    background: #eef6ff;
    color: #0f5fa8;
  }

  @media (max-width: 768px) {
    .optical-cooling-page {
      padding: 34px 16px 48px;
    }

    .hero-section,
    .content-section,
    .quote-section {
      padding: 28px 22px;
    }

    .two-column,
    .two-column.reverse {
      grid-template-columns: 1fr;
    }

    .optical-cooling-page h1 {
      font-size: 30px;
    }

    .quote-section h2 {
      font-size: 30px;
    }
  }