:root {
        --text: #2f2417;
        --heading: #8a5a1c;
        --muted: #7b6955;
        --line: #eadcc7;
        --line-strong: #dcc8aa;
        --primary: #c07f22;
        --primary-dark: #945f1a;
        --shadow: 0 14px 34px rgba(92, 65, 29, 0.08);
        --shadow-soft: 0 8px 18px rgba(92, 65, 29, 0.05);
        --radius-lg: 24px;
        --max: 1200px;
      }

      /* =========================================================
           05.02 GLOBAL RESET / BASE
        ========================================================== */
      * {
        box-sizing: border-box;
      }
      html {
        scroll-behavior: smooth;
      }
      body {
        margin: 0;
        font-family:
          system-ui,
          -apple-system,
          Segoe UI,
          Roboto,
          Inter,
          Arial,
          sans-serif;
        background:
          radial-gradient(
            circle at top left,
            rgba(192, 127, 34, 0.08),
            transparent 24%
          ),
          radial-gradient(
            circle at top right,
            rgba(239, 179, 92, 0.1),
            transparent 22%
          ),
          linear-gradient(180deg, #fffdf9 0%, #fdf6ec 44%, #fffaf4 100%);
        color: var(--text);
        line-height: 1.55;
        overflow-x: hidden;
      }
      img {
        display: block;
        max-width: 100%;
      }
      a {
        color: inherit;
        text-decoration: none;
      }
      button,
      input {
        font: inherit;
      }
      iframe {
        display: block;
        width: 100%;
        border: 0;
      }
      main {
        background: transparent;
        padding: 18px 0 26px;
      }
      section {
        padding: 18px 0;
      }
      .container {
        width: min(var(--max), calc(100% - 24px));
        margin-inline: auto;
      }
      .card {
        background: linear-gradient(180deg, #fffdf8 0%, #fff7e8 100%);
        border: 1px solid var(--line);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow);
      }

      /* =========================================================
           05.03 COMMON SECTION WRAPPERS / HEADINGS
        ========================================================== */
      .section-card,
      .detail-shell,
      .samples-shell,
      .snapshot-shell,
      .video-shell {
        padding: 20px;
      }
      h1,
      .section-head h2,
      .sample-card h3,
      .faq h3,
      .toc-panel-title {
        color: var(--heading);
      }
      .section-head {
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        gap: 12px;
        margin-bottom: 14px;
        flex-wrap: wrap;
      }
      .section-head h2 {
        margin: 0;
        font-size: clamp(20px, 3vw, 28px);
        letter-spacing: -0.01em;
      }
      .section-head p {
        margin: 0;
        color: var(--muted);
        max-width: 70ch;
      }
      .eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        border: 1px solid #f2dec2;
        background: linear-gradient(180deg, #fff5e6, #fff0dc);
        color: var(--primary-dark);
        padding: 8px 12px;
        border-radius: 999px;
        font-size: 13px;
        font-weight: 700;
      }

      /* =========================================================
           05.04 BUTTONS
        ========================================================== */
      .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 16px;
        border-radius: 12px;
        border: 1px solid transparent;
        font-weight: 800;
        font-size: 15px;
        cursor: pointer;
        transition: 0.2s ease;
        text-decoration: none;
        user-select: none;
      }
      .btn-primary {
        background: linear-gradient(
          180deg,
          var(--primary),
          var(--primary-dark)
        );
        color: #fff;
        box-shadow: 0 10px 24px rgba(192, 127, 34, 0.22);
      }
      .btn-primary:hover {
        transform: translateY(-1px);
      }
      .btn-outline,
      .btn-light {
        border-color: var(--line);
        background: linear-gradient(180deg, #fffaf0 0%, #fff2d9 100%);
        color: var(--primary-dark);
      }
      .btn-outline:hover,
      .btn-light:hover {
        border-color: var(--line-strong);
        background: #fff7ea;
      }
      .btn-dark {
        color: #fff;
        background: linear-gradient(180deg, #4b2b11 0%, #341d0d 100%);
        border: 1px solid rgba(255, 255, 255, 0.12);
        box-shadow: 0 14px 30px rgba(52, 16, 13, 0.22);
      }

      /* =========================================================
           05.05 HERO
        ========================================================== */
      .page-header {
        position: relative;
        background:
          radial-gradient(
            1000px 280px at 10% 0%,
            rgba(192, 127, 34, 0.1),
            transparent 60%
          ),
          radial-gradient(
            900px 260px at 90% 10%,
            rgba(227, 165, 72, 0.1),
            transparent 60%
          ),
          linear-gradient(180deg, #fffdf8 0%, #fff7ea 100%);
        padding: 20px 0 26px;
        border-bottom: 1px solid var(--line);
      }
      .page-header::after {
        content: "";
        position: absolute;
        left: 0;
        right: 0;
        bottom: -1px;
        height: 18px;
        background: linear-gradient(
          to bottom,
          rgba(92, 65, 29, 0.1),
          transparent
        );
        pointer-events: none;
      }
      .hero-wrap {
        display: grid;
        grid-template-columns: 1.15fr 0.85fr;
        gap: 18px;
        align-items: stretch;
      }
      .hero-left {
        padding: 22px;
        position: relative;
        overflow: hidden;
        background: linear-gradient(180deg, #fffdf8 0%, #fff7e8 100%);
      }
      h1 {
        margin: 12px 0 10px;
        font-size: clamp(26px, 4vw, 42px);
        line-height: 1.12;
        letter-spacing: -0.02em;
      }
      .hero-desc {
        margin: 0;
        color: var(--muted);
        font-size: 16px;
        max-width: 66ch;
      }
      .cta-row {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-top: 12px;
      }
      .quick-links {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin-top: 12px;
      }
      .quick-links a {
        padding: 8px 12px;
        border: 1px solid var(--line);
        border-radius: 999px;
        background: #fffaf0;
        font-size: 13px;
        font-weight: 700;
      }
      .quick-links a:hover {
        border-color: var(--line-strong);
        color: var(--primary-dark);
        background: #fff7ea;
      }
      .hero-right {
        padding: 16px;
        display: grid;
        gap: 12px;
        align-content: start;
      }
      .product-visual {
        border: 1px solid var(--line);
        border-radius: 18px;
        overflow: hidden;
        background: linear-gradient(145deg, #fff9ee, #fff3df);
        min-height: 250px;
        display: grid;
        place-items: center;
        position: relative;
      }
      .ribbon {
        position: absolute;
        top: 12px;
        right: 12px;
        background: #fff3df;
        color: var(--primary-dark);
        border: 1px solid #eed8b6;
        border-radius: 999px;
        padding: 6px 10px;
        font-size: 12px;
        font-weight: 800;
      }

      /* =========================================================
           05.06 PRODUCT SNAPSHOT TABLE
        ========================================================== */
      .product-info-table-wrap {
        overflow: auto;
        border: 1px solid var(--line);
        border-radius: 18px;
        background: linear-gradient(180deg, #fffdf8 0%, #fff8ec 100%);
        box-shadow: var(--shadow-soft);
      }
      .product-info-table {
        width: 100%;
        min-width: 760px;
        border-collapse: separate;
        border-spacing: 0;
        background: transparent;
      }
      .product-info-table th,
      .product-info-table td {
        padding: 16px 18px;
        text-align: left;
        vertical-align: top;
        border-right: 1px solid var(--line);
        border-bottom: 1px solid var(--line);
      }
      .product-info-table tr:last-child th,
      .product-info-table tr:last-child td {
        border-bottom: none;
      }
      .product-info-table th:last-child,
      .product-info-table td:last-child {
        border-right: none;
      }
      .product-info-table th {
        width: 18%;
        background: rgba(192, 127, 34, 0.08);
        color: var(--heading);
        font-size: 13px;
        font-weight: 900;
        letter-spacing: 0.02em;
      }
      .product-info-table td {
        width: 32%;
        color: #5c4738;
        font-size: 14px;
        font-weight: 700;
        line-height: 1.5;
        background: rgba(255, 250, 240, 0.72);
      }
      .product-info-table tr:nth-child(even) td {
        background: rgba(255, 247, 234, 0.9);
      }

      /* =========================================================
           05.07 SCREENSHOT SLIDER
        ========================================================== */
      .slider-wrap {
        position: relative;
        border: 1px solid var(--line);
        border-radius: 18px;
        background: linear-gradient(180deg, #fffdf8, #fff7ea);
        overflow: hidden;
      }
      .slider-track {
        display: flex;
        transition: transform 0.45s ease;
        will-change: transform;
      }
      .slide {
        min-width: 100%;
        padding: 14px;
        display: grid;
        grid-template-columns: 1fr;
        gap: 14px;
        align-items: stretch;
        background: linear-gradient(180deg, #fffdf8, #fff7e8);
      }
      .media-box {
        border: 1px solid var(--line);
        border-radius: 14px;
        overflow: hidden;
        background: #fffdf8;
        min-height: 360px;
        display: grid;
        place-items: center;
        position: relative;
      }
      .media-box img {
        width: 100%;
        height: 100%;
        min-height: 360px;
        object-fit: contain;
        background: #fffdf8;
      }
      .slider-controls {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 14px;
        padding: 14px 16px;
        border-top: 1px solid var(--line);
        background: linear-gradient(180deg, #fffdf8, #fff7ea);
      }
      .dots-card {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 12px;
        width: max-content;
        max-width: 100%;
        margin-inline: auto;
        padding: 8px 12px;
        border: 1px solid var(--line);
        border-radius: 999px;
        background: linear-gradient(180deg, #fffdf8, #fff8ee);
        box-shadow: var(--shadow-soft);
      }
      .dots {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        flex-wrap: wrap;
        margin: 0;
        padding: 0;
        border: none;
        border-radius: 0;
        background: transparent;
        box-shadow: none;
      }
      .dot {
        width: 14px;
        height: 14px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 999px;
        border: 1px solid #d8c5ab;
        background: linear-gradient(180deg, #fffdf8, #fff2de);
        cursor: pointer;
        padding: 0;
        transition: all 0.22s ease;
      }
      .dot:hover {
        border-color: var(--primary);
        background: #fff1d6;
        color: var(--primary-dark);
        transform: translateY(-1px);
      }
      .dot.active {
        background: linear-gradient(
          180deg,
          var(--primary),
          var(--primary-dark)
        );
        border-color: var(--primary-dark);
        color: #fff;
        box-shadow: 0 8px 18px rgba(192, 127, 34, 0.22);
        transform: translateY(-1px);
      }
      .icon-btn {
        width: 42px;
        height: 42px;
        border-radius: 999px;
        border: 1px solid #e4d1b5;
        background: linear-gradient(180deg, #fffdf8, #fff1dc);
        cursor: pointer;
        font-weight: 900;
        color: var(--primary-dark);
        box-shadow: var(--shadow-soft);
        transition: all 0.22s ease;
      }
      .icon-btn:hover {
        transform: translateY(-1px);
        border-color: var(--primary);
        color: #fff;
        background: linear-gradient(
          180deg,
          var(--primary),
          var(--primary-dark)
        );
      }

      /* =========================================================
           05.08 SAMPLE REPORTS
        ========================================================== */
      .sample-tabs {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-bottom: 18px;
      }
      .sample-tab {
        min-height: 44px;
        padding: 0 18px;
        border: 1px solid var(--line);
        border-radius: 999px;
        background: #fffaf0;
        color: var(--primary-dark);
        font-weight: 800;
        cursor: pointer;
        transition: 0.2s ease;
      }
      .sample-tab.is-active {
        background: linear-gradient(
          180deg,
          var(--primary),
          var(--primary-dark)
        );
        color: #fff;
        border-color: transparent;
      }
      .sample-panel {
        display: none;
      }
      .sample-panel.is-active {
        display: block;
      }
      .sample-card {
        padding: 20px;
        border: 1px solid var(--line);
        border-radius: 22px;
        background: linear-gradient(180deg, #fffdf8 0%, #fff7ea 100%);
        box-shadow: var(--shadow-soft);
      }
      .sample-card.large {
        background:
          radial-gradient(
            circle at top right,
            rgba(192, 127, 34, 0.08),
            transparent 28%
          ),
          linear-gradient(180deg, #fffdf8 0%, #fff7ea 100%);
      }
      .sample-card h3 {
        margin: 0 0 10px;
        font-size: 20px;
      }
      .sample-meta-line {
        margin: 0 0 14px;
        color: #5c4738;
        font-size: 14px;
        font-weight: 700;
      }
      .sample-link-grid {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
      }
      .sample-link-grid a {
        min-height: 86px;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        padding: 14px;
        border: 1px solid var(--line);
        border-radius: 16px;
        background: #fffaf0;
        color: #5c4738;
        font-weight: 800;
        transition: 0.2s ease;
      }
      .sample-link-grid a:hover {
        border-color: var(--primary-dark);
        color: var(--primary-dark);
        transform: translateY(-1px);
      }

      /* =========================================================
           05.09 VIDEO DEMO
        ========================================================== */
      .video-card {
        border: 1px solid var(--line);
        border-radius: 18px;
        background: linear-gradient(180deg, #fffdf8, #fff7ea);
        padding: 12px;
        box-shadow: var(--shadow-soft);
      }
      .video-embed {
        position: relative;
        overflow: hidden;
        border-radius: 16px;
        background: #1b160f;
      }
      .video-embed iframe {
        display: block;
        width: 100%;
        aspect-ratio: 16/9;
        min-height: 420px;
        border: 0;
      }

      /* =========================================================
           05.10 CONTENT TABS
        ========================================================== */
      .toc-tabs {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-bottom: 18px;
      }
      .toc-tab {
        appearance: none;
        border: 1px solid var(--line);
        background: linear-gradient(180deg, #fffaf0 0%, #fff2d9 100%);
        color: var(--primary-dark);
        border-radius: 999px;
        padding: 11px 16px;
        font-size: 13px;
        font-weight: 800;
        line-height: 1.2;
        cursor: pointer;
        transition: all 0.2s ease;
        box-shadow: var(--shadow-soft);
      }
      .toc-tab.active {
        border-color: #945f1a;
        background: linear-gradient(180deg, #c07f22, #945f1a);
        color: #fff;
        box-shadow: 0 10px 20px rgba(192, 127, 34, 0.2);
      }
      .toc-panel {
        display: none;
        overflow: hidden;
        border: 1px solid var(--line);
        border-radius: 22px;
        background: linear-gradient(180deg, #fffdf8 0%, #fff7ea 100%);
        box-shadow: var(--shadow-soft);
      }
      .toc-panel.active {
        display: block;
      }
      .toc-panel-head {
        padding: 18px 20px 14px;
        border-bottom: 1px solid var(--line);
        background: linear-gradient(180deg, #fffdf8 0%, #fff8ec 100%);
      }
      .toc-panel-title {
        margin: 0;
        font-size: 18px;
        line-height: 1.3;
        font-weight: 800;
      }
      .toc-panel-sub {
        margin: 8px 0 0;
        color: var(--muted);
        font-size: 14px;
      }
      .toc-panel-body {
        padding: 20px 24px 24px;
      }
      .content-list {
        margin: 0;
        padding-left: 18px;
        columns: 2;
        column-gap: 30px;
        color: #5c4738;
      }
      .content-list li {
        margin: 0 0 8px;
        break-inside: avoid;
      }

      .content-list {
        margin: 0;
        padding-left: 18px;
        columns: 2;
        column-gap: 30px;
        color: #5c4738;
      }
      .content-list li {
        margin: 0 0 8px;
        break-inside: avoid;
      }

      .part-first-structured {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 16px;
        align-items: start;
      }
      .part-first-group {
        padding: 18px;
        border: 1px solid var(--line);
        border-radius: 18px;
        background: linear-gradient(180deg, #fffdf8 0%, #fff8ec 100%);
        box-shadow: var(--shadow-soft);
      }
      .part-first-group h4 {
        margin: 0 0 12px;
        font-size: 17px;
        line-height: 1.4;
        color: var(--heading);
      }
      .part-first-list {
        margin: 0;
        padding: 0;
        list-style: none;
        counter-reset: partfirst;
      }
      .part-first-list li {
        position: relative;
        counter-increment: partfirst;
        padding-left: 42px;
        margin: 0 0 10px;
        color: #5c4738;
        line-height: 1.55;
      }
      .part-first-list li:last-child {
        margin-bottom: 0;
      }
      .part-first-list li::before {
        content: counter(partfirst);
        position: absolute;
        left: 0;
        top: 0;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        display: grid;
        place-items: center;
        background: linear-gradient(180deg, #fff5e6, #fff0dc);
        border: 1px solid var(--line);
        color: var(--primary-dark);
        font-size: 13px;
        font-weight: 900;
      }

      /* =========================================================
           05.11 FAQ
        ========================================================== */
      .faq-grid {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
      }
      .faq {
        border: 1px solid var(--line);
        border-radius: 16px;
        padding: 14px;
        background: linear-gradient(180deg, #fffdf8, #fff7ea);
      }
      .faq h3 {
        margin: 0 0 8px;
        font-size: 15px;
      }
      .faq p {
        margin: 0;
        color: var(--muted);
        font-size: 14px;
      }

      /* =========================================================
           05.12 RESPONSIVE
        ========================================================== */
      @media (max-width: 1100px) {
        .faq-grid {
          grid-template-columns: 1fr;
        }
      }
      @media (max-width: 991px) {
        .sample-link-grid {
          grid-template-columns: 1fr;
        }
      }
      @media (max-width: 900px) {
        .hero-wrap {
          grid-template-columns: 1fr;
        }
      }
      @media (max-width: 767px) {
        .content-list {
          columns: 1;
        }
        .part-first-structured {
          grid-template-columns: 1fr;
        }
      }
      @media (max-width: 720px) {
        .toc-tabs {
          flex-wrap: nowrap;
          overflow-x: auto;
          padding-bottom: 6px;
          scrollbar-width: thin;
        }
        .toc-tab {
          flex: 0 0 auto;
        }
      }
      @media (max-width: 640px) {
        .part-first-group {
          padding: 16px;
        }
        .part-first-list li {
          padding-left: 38px;
        }
        .product-info-table {
          min-width: 0;
        }
        .product-info-table,
        .product-info-table tbody,
        .product-info-table tr,
        .product-info-table th,
        .product-info-table td {
          display: block;
          width: 100% !important;
        }
        .product-info-table tr {
          border-bottom: 1px solid var(--line);
        }
        .product-info-table tr:last-child {
          border-bottom: none;
        }
        .product-info-table th,
        .product-info-table td {
          border: none;
          padding: 10px 12px;
        }
        .product-info-table th {
          padding-bottom: 4px;
          background: rgba(192, 127, 34, 0.06);
        }
        .product-info-table td {
          padding-top: 0;
        }
        .container {
          width: min(var(--max), calc(100% - 16px));
        }
        .hero-left,
        .hero-right,
        .section-card,
        .detail-shell,
        .samples-shell,
        .snapshot-shell,
        .video-shell {
          padding: 16px;
        }
        .btn {
          width: 100%;
        }
        .cta-row {
          display: grid;
          grid-template-columns: 1fr;
        }
        .slider-controls {
          flex-direction: column;
          align-items: stretch;
        }
        .dots {
          margin-inline: 0;
        }
        .ctrl-btns {
          justify-content: flex-end;
          margin-left: 0;
        }
        .quick-links {
          flex-wrap: nowrap;
          overflow-x: auto;
          padding-bottom: 4px;
          scrollbar-width: thin;
        }
        .quick-links a {
          flex: 0 0 auto;
        }
        .sample-tabs {
          flex-direction: column;
          align-items: stretch;
        }
        .sample-tab {
          width: 100%;
        }
        .video-embed iframe {
          min-height: 260px;
        }
      }
      @media (max-width: 575px) {
        .toc-panel-body {
          padding: 16px 20px 20px;
        }
      }
      @media (prefers-reduced-motion: reduce) {
        html {
          scroll-behavior: auto;
        }
        .slider-track {
          transition: none;
        }
        .btn-primary:hover,
        .sample-link-grid a:hover {
          transform: none;
        }
      }