    .hero {
      overflow: hidden;
      background-size: cover;
      background-position: center;
      border-bottom: 1px solid #dbe8ef;
    }

    .hero-inner {
      min-height: 365px;
      display: grid;
      grid-template-columns: 1.12fr 0.88fr;
      align-items: center;
      gap: 14px;
      padding: 50px 0;
    }

    .hero h1 {
      margin: 16px 0 12px;
      font-size: clamp(34px, 4.3vw, 42px);
      line-height: 1.05;
      color: #fff;
    }

    .hero p {
      margin: 0;
      max-width: 720px;
      color: #fff;
      font-size: 18px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 20px;
    }

    .hero-card {
      background: #ffffff;
      border: 1px solid #dbe8ef;
      border-radius: 10px;
      box-shadow: 0 16px 38px rgba(11, 95, 138, 0.12);
      padding: 20px;
    }

    .product-visual {
      min-height: 258px;
      border-radius: 18px;
      background:
        linear-gradient(145deg, rgba(11,95,138,0.08), rgba(0,167,165,0.12)),
        #ffffff;
      border: 1px solid #dbe8ef;
      display: grid;
      place-items: center;
      overflow: hidden;
    }

    .product-visual img {
      width: 100%;
      height: 370px;
      object-fit: cover;
    }

    .hero-tags {
      margin-top: 12px;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 9px;
    }

    .hero-tags span {
    background: #016436b3;
    border-radius: 8px;
    padding: 5px;
    font-size: 14px;
    color: #fff;
    text-align: center;
    font-weight: 800;
    }

    .layout {
      display: grid;
      grid-template-columns: 292px 1fr;
      gap: 28px;
      align-items: start;
      padding: 34px 0 70px;
    }

    .sidebar {
      position: sticky;
      top: 98px;
      display: grid;
      gap: 16px;
    }

    .side-card,
    .toc {
      background: #ffffff;
      border: 1px solid #dbe8ef;
      border-radius: 14px;
      box-shadow: 0 10px 26px rgba(12,76,110,0.07);
      padding: 18px;
    }

    .toc h3,
    .side-card h3 {
      margin: 0 0 5px;
      color: #073d59;
      font-size: 20px;
    }

    .toc a {
      display: block;
      padding: 9px 0;
      color: #53697a;
      border-bottom: 1px solid #edf3f6;
      font-size: 16px;
      font-weight: 600;
    }

    .toc a:hover {
      color: var(--primary);
    }

    .side-card p {
      margin: 0 0 14px;
    }

    .main {
      display: grid;
      gap: 24px;
    }

    .section {
      background: #ffffff;
      border: 1px solid #dbe8ef;
      border-radius: 10px;
      padding: clamp(24px, 3vw, 38px);
      box-shadow: 0 10px 28px rgba(12,76,110,0.06);
    }

    .section h2 {
        margin: 0 0 5px;
        color: #0d344c;
        font-size: clamp(25px, 2.7vw, 32px);
        line-height: 1.15;
    }

    .section h3 {
      margin: 26px 0 8px;
      color: #123b55;
      font-size: 22px;
      line-height: 1.25;
    }

    .section p {
      margin: 0 0 14px;
    }

    .lead {
      font-size: 18px;
      font-weight: 600;
    }
    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-top: 18px;
    }
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin-top: 18px;
    }

    .info-card {
      background: #f1f7fa;
      border: 1px solid #ddeaf0;
      border-radius: 16px;
      padding: 18px;
    }

    .info-card h4 {
        margin: 0 0 10px;
        color: var(--primary);
        font-size: 20px;
        border-bottom: 1px solid;
        border-image: linear-gradient(to right, #016436, #01643670, transparent) 1;
        padding-bottom: 10px;
    }

    .info-card p {
      margin: 0;
      font-size: 16px;
    }

    .icon {
        font-size: 26px;
        width: 42px;
        height: 42px;
        border-radius: 8px;
        background: linear-gradient(90deg, #016436 0%, #1e9960 100%);
        color: #ffffff;
        display: grid;
        place-items: center;
        margin-bottom: 12px;
        font-weight: 900;
    }

    .step-line {
      display: grid;
      gap: 14px;
      margin-top: 20px;
    }

    .step {
      display: grid;
      grid-template-columns: 56px 1fr;
      gap: 16px;
      align-items: start;
      padding: 18px;
      background: #fbfdfe;
      border: 1px solid #dbe8ef;
      border-radius: 18px;
    }

    .step-number {
      width: 52px;
      height: 52px;
      border-radius: 8px;
      display: grid;
      place-items: center;
      background: linear-gradient(90deg, #016436 0%, #1e9960 100%);
      color: #fff;
      font-size: 18px;
      font-weight: 900;
    }

    .step h4 {
      margin: 0 0 4px;
      color: #123b55;
      font-size: 20px;
    }

    .step p {
      margin: 0;
      font-size: 16px;
    }

    .check-list {
      list-style: none;
      padding: 0;
      margin: 16px 0 0;
      display: grid;
      gap: 10px;
    }

    .check-list li {
      position: relative;
      padding: 12px 14px 12px 42px;
      border: 1px solid #dfeaf0;
      background: #fbfdfe;
      border-radius: 14px;
      color: #4e6375;
      font-size: 16px;
      font-weight: 600;
    }

    .check-list li::before {
      content: "✓";
      position: absolute;
      left: 14px;
      top: 12px;
      width: 20px;
      height: 20px;
      border-radius: 50%;
      background: #e6fbfa;
      color: #04807d;
      display: grid;
      place-items: center;
      font-size: 14px;
      font-weight: 900;
    }

    .spec-table {
      width: 100%;
      border-collapse: collapse;
      overflow: hidden;
      border-radius: 16px;
      border: 1px solid #dbe8ef;
      margin-top: 18px;
      background: #ffffff;
    }

    .spec-table th,
    .spec-table td {
      padding: 14px 16px;
      text-align: left;
      border-bottom: 1px solid #dbe8ef;
      vertical-align: top;
    }

    .spec-table th {
      width: 34%;
      background: #e8f5fb;
      color: #073d59;
      font-size: 14px;
    }

    .spec-table td {
      color: #4d6475;
      font-size: 14px;
    }

    .photo-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 16px;
      margin-top: 20px;
    }

    .photo-card {
      min-height: 220px;
      background: #eff7fb;
      border: 1px solid #dae8ef;
      border-radius: 18px;
      overflow: hidden;
      display: grid;
      place-items: center;
      position: relative;
    }

    .photo-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      min-height: 220px;
    }

    .photo-card.contain img {
    object-fit: cover;
    height: 100%;
    }

    .photo-caption {
      position: absolute;
      left: 12px;
      right: 12px;
      bottom: 12px;
      padding: 10px 12px;
      border-radius: 12px;
      background: rgba(255,255,255,0.92);
      color: #26465e;
      font-size: 15px;
      font-weight: 700;
      backdrop-filter: blur(8px);
    }

    .rfq {
      background: linear-gradient(90deg, #016436 0%, #1e9960 100%);
      color: #ffffff;
    }

    .rfq h2,
    .rfq p {
      color: #ffffff !important;
    }

    .rfq .lead {
      color: #d9f5ff !important;
    }

    .rfq-form {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
      margin-top: 20px;
    }

    .field {
      display: grid;
      gap: 7px;
    }

    .field.full {
      grid-column: 1 / -1;
    }

    .field label {
        font-weight: 600;
    }

    input,
    select,
    textarea {
      width: 100%;
      border: 1px solid rgba(255,255,255,0.28);
      border-radius: 8px;
      padding: 13px 14px;
      background: rgba(255,255,255,0.96);
      color: #1b3446;
      font: inherit;
      outline: none;
    }

    textarea {
      min-height: 112px;
      resize: vertical;
    }

    .rfq-note {
      margin-top: 12px;
      color: #cceff8 !important;
      font-size: 13px;
    }

    .faq {
      border: 1px solid #dbe8ef;
      border-radius: 16px;
      overflow: hidden;
      margin-top: 16px;
    }

    .faq-item + .faq-item {
      border-top: 1px solid #dbe8ef;
    }

    .faq-button {
      width: 100%;
      border: 0;
      background: #fbfdfe;
      padding: 18px;
      text-align: left;
      cursor: pointer;
      color: #173a52;
      font-size: 18px;
      font-weight: 900;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .faq-panel {
      display: none;
      padding: 0 18px 18px;
      color: #617487;
      background: #fbfdfe;
    }

    .faq-item.active .faq-panel {
      display: block;
    }

    .faq-icon {
      width: 26px;
      height: 26px;
      border-radius: 50%;
      background: #e8f5fb;
      color: var(--primary);
      display: grid;
      place-items: center;
      flex: 0 0 auto;
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 16px;
    }

    .tag {
      background: #e8f5fb;
      color: #073d59;
      padding: 8px 12px;
      border-radius: 8px;
      font-size: 13px;
      font-weight: 900;
    }

    .final-cta {
      background: linear-gradient(135deg, #f2fbff, #ffffff);
      border: 1px solid #dbe8ef;
      border-radius: 10px;
      padding: 34px;
      display: grid;
      grid-template-columns: 1fr auto;
      align-items: center;
      gap: 24px;
    }

    .final-cta h2 {
      margin: 0 0 8px;
      color: #0d344c;
      font-size: 30px;
      line-height: 1.15;
    }

    .final-cta p {
      margin: 0;
      color: #617487;
    }

    .footer {
      background: #082f46;
      color: #d7edf6;
      padding: 38px 0;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr repeat(3, 1fr);
      gap: 28px;
    }

    .footer h3,
    .footer h4 {
      color: #ffffff;
      margin: 0 0 12px;
    }

    .footer p,
    .footer a {
      color: #b6d4df;
      font-size: 14px;
      display: block;
      margin: 0 0 7px;
    }

    @media (max-width: 980px) {
      .menu {
        display: none;
      }

      .hero-inner,
      .layout,
      .photo-grid,
      .final-cta {
        grid-template-columns: 1fr;
      }

      .sidebar {
        position: static;
      }

      .toc {
        display: none;
      }

      .grid-3 {
        grid-template-columns: repeat(2, 1fr);
      }

      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 640px) {

      .actions .btn-secondary {
        display: none;
      }

      .hero-inner {
        padding: 36px 0;
      }
      .grid-2,
      .grid-3,
      .rfq-form,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .hero-tags {
        grid-template-columns: 1fr;
      }

      .section {
        border-radius: 18px;
      }

      .spec-table th,
      .spec-table td {
        display: block;
        width: 100%;
      }

      .spec-table th {
        border-bottom: 0;
        padding-bottom: 5px;
      }

      .spec-table td {
        padding-top: 5px;
      }
    }
    .toc a.active{
        background: linear-gradient(90deg, #016436 0%, #1e9960 100%);
        color: #fff;
        border-radius: 8px;
        padding-left: 10px;
    }
    input[type="checkbox"] {
        width: auto;
        margin-right: 8px;
    }
    .category-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 18px;
      margin-top: 18px;
    }

    .category-card {
      border: 1px solid #dbe8ef;
      background: linear-gradient(180deg, #ffffff, #f8fcfe);
      border-radius: 18px;
      overflow: hidden;
      display: grid;
      grid-template-columns: 150px 1fr;
      min-height: 178px;
    }

    .category-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      background: #e8f5fb;
    }

    .category-content {
      padding: 18px;
    }

    .category-content h4 {
      margin: 0 0 8px;
      color: #073d59;
      font-size: 18px;
    }

    .category-content p {
      margin: 0 0 10px;
      font-size: 14px;
    }
    .mini-list {
      margin: 0;
      padding-left: 17px;
      color: #526879;
      font-size: 14px;
    }
    ul.mini-list li {
        list-style: disc;
    }
    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      overflow: hidden;
      border-radius: 16px;
      border: 1px solid #dbe8ef;
      margin-top: 18px;
      background: #ffffff;
    }

    .comparison-table th,
    .comparison-table td {
      padding: 14px 16px;
      text-align: left;
      border-bottom: 1px solid #dbe8ef;
      vertical-align: top;
    }

    .comparison-table th {
      background: #e8f5fb;
      color: #073d59;
      font-size: 14px;
    }

    .comparison-table td {
      color: #4d6475;
      font-size: 14px;
    }

    .note-box {
      margin-top: 18px;
      background: linear-gradient(90deg, #016436 0%, #1e9960 100%);
      border-radius: 16px;
      padding: 18px;
    }

    .note-box h4 {
      margin: 0 0 6px;
      color: #fff;
    }

    .note-box p {
      margin: 0;
      color: #fff;
    }
    .pad-c .check-list li{
        padding: 12px 10px 12px 40px;
    }