:root {
      --primary: #1e8ff7;
      --primary-dark: #145fa6;
      --accent: #6c4dfc;
      --bg-light: #f5f7fb;
      --text-main: #222222;
      --text-muted: #666666;
      --border-soft: #e1e5ee;
      --card-radius: 16px;
      --shadow-soft: 0 15px 40px rgba(15, 35, 80, 0.12);
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      color: var(--text-main);
      background: #ffffff;
      line-height: 1.6;
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    a {
      color: var(--primary);
      text-decoration: none;
    }

    a:hover {
      text-decoration: underline;
    }

    .page {
      max-width: 1200px;
      margin: 0 auto;
      padding: 16px;
    }

    @media (min-width: 768px) {
      .page {
        padding: 32px 24px 48px;
      }
    }

    /* HERO SECTION */
    .hero {
      display: grid;
      grid-template-columns: 1fr;
      gap: 24px;
      align-items: center;
      background: radial-gradient(circle at top left, #e2f1ff 0, #ffffff 50%),
                  linear-gradient(135deg, #f6f7ff, #ffffff);
      padding: 24px;
      border-radius: 24px;
      box-shadow: var(--shadow-soft);
      margin-bottom: 32px;
    }

    @media (min-width: 900px) {
      .hero {
        grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
        padding: 40px;
      }
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 4px 12px;
      border-radius: 999px;
      border: 1px solid rgba(30, 143, 247, 0.3);
      background: rgba(255, 255, 255, 0.8);
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--primary-dark);
      margin-bottom: 12px;
    }

    .hero-title {
      font-size: 28px;
      font-weight: 750;
      letter-spacing: 0.02em;
      margin: 0 0 12px;
    }

    @media (min-width: 768px) {
      .hero-title {
        font-size: 34px;
      }
    }

    .hero-subtitle {
      font-size: 15px;
      color: var(--text-muted);
      margin-bottom: 18px;
      max-width: 560px;
    }

    .hero-highlights {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 24px;
    }

    .hero-pill {
      padding: 6px 12px;
      border-radius: 999px;
      background: rgba(108, 77, 252, 0.06);
      color: var(--accent);
      font-size: 12px;
      font-weight: 600;
    }

    .hero-cta {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .btn-primary,
    .btn-secondary {
      border-radius: 999px;
      padding: 10px 20px;
      font-size: 14px;
      font-weight: 600;
      border: none;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      text-decoration: none;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary), var(--accent));
      color: #ffffff;
      box-shadow: 0 12px 30px rgba(30, 143, 247, 0.35);
    }

    .btn-primary:hover {
      box-shadow: 0 16px 36px rgba(30, 143, 247, 0.45);
      transform: translateY(-1px);
    }

    .btn-secondary {
      background: rgba(255, 255, 255, 0.9);
      color: var(--primary-dark);
      border: 1px solid rgba(20, 95, 166, 0.2);
    }

    .hero-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 18px;
      font-size: 12px;
      color: var(--text-muted);
    }

    .hero-meta span::before {
      content: "• ";
    }

    .hero-image {
      justify-self: center;
      position: relative;
    }

    .hero-image-inner {
      background: radial-gradient(circle at 20% 0, rgba(108, 77, 252, 0.28), transparent 60%),
                  radial-gradient(circle at 80% 100%, rgba(30, 143, 247, 0.25), transparent 60%);
      padding: 22px;
      border-radius: 24px;
    }

    .hero-image img {
      border-radius: 20px;
      box-shadow: 0 18px 45px rgba(10, 26, 60, 0.4);
      background: #000000;
    }

    .hero-tag {
      position: absolute;
      bottom: 8px;
      right: 18px;
      background: rgba(0, 0, 0, 0.72);
      color: #ffffff;
      padding: 6px 12px;
      border-radius: 999px;
      font-size: 11px;
      backdrop-filter: blur(6px);
    }

    /* GENERIC SECTION STYLES */
    .section {
      margin-bottom: 36px;
    }

    .section-header {
      display: flex;
      flex-wrap: wrap;
      align-items: baseline;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 18px;
    }

    .section-title {
      font-size: 20px;
      font-weight: 700;
      margin: 0;
    }

    .section-subtitle {
      font-size: 13px;
      color: var(--text-muted);
      max-width: 480px;
    }

    .grid-2 {
      display: grid;
      grid-template-columns: 1fr;
      gap: 18px;
    }

    @media (min-width: 900px) {
      .grid-2 {
        grid-template-columns: 1.1fr 0.9fr;
        gap: 26px;
      }
    }

    .card {
      background: #ffffff;
      border-radius: var(--card-radius);
      border: 1px solid var(--border-soft);
      box-shadow: 0 10px 24px rgba(18, 35, 70, 0.07);
      padding: 18px 18px 20px;
    }

    @media (min-width: 768px) {
      .card {
        padding: 22px 22px 24px;
      }
    }

    .card-header {
      font-weight: 650;
      margin-bottom: 10px;
      font-size: 15px;
    }

    .icon-bullet-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .icon-bullet-list li {
      display: flex;
      align-items: flex-start;
      gap: 8px;
      font-size: 14px;
      margin-bottom: 6px;
    }

    .icon-bullet-dot {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      margin-top: 6px;
      flex-shrink: 0;
    }

    /* SPEC TABLE */
    .spec-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 13px;
      margin-top: 8px;
    }

    .spec-table th,
    .spec-table td {
      padding: 8px 10px;
      border-bottom: 1px solid var(--border-soft);
      vertical-align: top;
    }

    .spec-table th {
      text-align: left;
      width: 38%;
      font-weight: 600;
      background: #f6f8fd;
    }

    .spec-note {
      font-size: 11px;
      color: var(--text-muted);
      margin-top: 6px;
    }

    /* PROBES GRID */
    .probe-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 14px;
    }

    @media (min-width: 700px) {
      .probe-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
    }

    .probe-card {
      border-radius: 14px;
      border: 1px solid var(--border-soft);
      padding: 14px 14px 16px;
      background: linear-gradient(145deg, #f8f9ff, #ffffff);
      font-size: 13px;
    }

    .probe-name {
      font-weight: 650;
      margin-bottom: 6px;
      color: var(--primary-dark);
    }

    .probe-tagline {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 8px;
    }

    /* SAFETY LIST */
    .safety-list {
      columns: 1;
      font-size: 13px;
      padding-left: 18px;
    }

    @media (min-width: 900px) {
      .safety-list {
        columns: 2;
      }
    }

    .safety-list li {
      margin-bottom: 4px;
    }

    /* FOOTER */
    .footer-note {
      font-size: 11px;
      color: var(--text-muted);
      border-top: 1px solid #e0e4f0;
      padding-top: 14px;
      margin-top: 18px;
    }