:root{
            --bg:#fffaf4;
            --surface:#fffdf8;
            --surface-soft:#fff7ea;
            --surface-soft-2:#fff3df;
            --text:#2f2417;
            --heading:#8a5a1c;
            --muted:#7b6955;
            --line:#eadcc7;
            --line-strong:#dcc8aa;
            --primary:#c07f22;
            --primary-dark:#945f1a;
            --shadow:0 14px 34px rgba(92,65,29,.08);
            --shadow-soft:0 8px 18px rgba(92,65,29,.05);
            --radius:18px;
            --radius-lg:24px;
            --max:1200px;
        }

        /* =========================================================
           05.02 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,.08), transparent 24%),
                radial-gradient(circle at top right, rgba(239,179,92,.10), transparent 22%),
                linear-gradient(180deg, #fffdf9 0%, #fdf6ec 44%, #fffaf4 100%);
            color:var(--text);
            line-height:1.55;
            overflow-x:hidden;
        }

        img{max-width:100%;display:block}
        a{color:inherit;text-decoration:none}
        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);
        }

        .section-card{padding:20px}

        /* =========================================================
           05.03 SHARED TYPOGRAPHY / UI
        ========================================================== */
        h1,
        .section-head h2,
        .slide-content h3,
        .intro-title,
        .ic-title,
        .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:-.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;
        }

        .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:.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,.22);
        }

        .btn-primary:hover{transform:translateY(-1px)}

        .btn-outline{
            border-color:var(--line);
            background:linear-gradient(180deg,#fffaf0 0%,#fff2d9 100%);
            color:var(--primary-dark);
        }

        .btn-outline:hover{
            border-color:var(--line-strong);
            background:#fff7ea;
        }

        /* =========================================================
           05.04 HERO
        ========================================================== */
        .page-header{
            position:relative;
            background:
                radial-gradient(1000px 280px at 10% 0%, rgba(192,127,34,.10), transparent 60%),
                radial-gradient(900px 260px at 90% 10%, rgba(227,165,72,.10), 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,.10), transparent);
            pointer-events:none;
        }

        .hero-wrap{
            display:grid;
            grid-template-columns:1.15fr .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:-.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;
            padding:18px;
        }

        .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;
        }

        .product-visual img{
            width:auto;
            max-width:100%;
            max-height:420px;
            object-fit:contain;
        }

        /* =========================================================
           05.05 CONTENT CARDS
        ========================================================== */
        .intro-card,
        .pdf-report-card{
            border:1px solid var(--line);
            border-radius:16px;
            background:linear-gradient(180deg,#fffdf8,#fff7ea);
            padding:14px;
        }

        .intro-title{
            margin:0 0 10px;
            font-size:16px;
            font-weight:800;
        }

        .intro-card p,
        .pdf-report-card p{
            margin:0;
            color:var(--muted);
            font-size:14px;
            line-height:1.7;
        }

        .intro-card p + p,
        .pdf-report-card p + p{
            margin-top:14px;
        }

        /* =========================================================
           05.06 PRODUCT INFO
        ========================================================== */
        .info-compact{display:grid;gap:12px}

        .ic-title{
            font-weight:900;
            font-size:15px;
            margin-bottom:8px;
            color:var(--heading);
        }

        .ic-block,
        .ic-card{
            border:1px solid var(--line);
            border-radius:16px;
            background:linear-gradient(180deg,#fffdf8,#fff7ea);
            padding:12px;
        }

        .ic-price-row{
            display:grid;
            grid-template-columns:1fr 1fr;
            gap:10px;
        }

        .ic-pillbox{
            border:1px solid var(--line);
            border-radius:14px;
            padding:10px;
            background:linear-gradient(180deg,#fffdf8,#fff7e8);
            display:grid;
            gap:4px;
        }

        .ic-label{font-size:12px;font-weight:900;color:var(--muted)}
        .ic-value{font-size:18px;font-weight:900;line-height:1.15}
        .ic-value small{font-size:12px;color:var(--muted);font-weight:900}
        .ic-note{font-size:12px;color:var(--muted)}

        .ic-grid{
            display:grid;
            grid-template-columns:repeat(3,minmax(0,1fr));
            gap:10px;
        }

        .ic-k{font-size:12px;font-weight:900;color:var(--muted)}
        .ic-v{font-size:13.5px;font-weight:800;color:var(--text);line-height:1.3}

        /* =========================================================
           05.07 CONTENT TABS
        ========================================================== */
        .toc-shell{display:grid;gap:16px}
        .toc-tabs{display:flex;flex-wrap:wrap;gap:10px;margin:0}

        .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 .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,.20);
        }

        .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-two-col{
            list-style:disc;
            margin:0;
            padding-left:18px;
            column-count:2;
            column-gap:30px;
            color:#5c4738;
        }

        .content-list-two-col li{
            margin:0 0 10px;
            break-inside:avoid;
            line-height:1.52;
        }

        /* =========================================================
           05.08 VIDEO
        ========================================================== */
        .video-card{
            border:1px solid var(--line);
            border-radius:18px;
            background:linear-gradient(180deg,#fffdf8,#fff7ea);
            padding:12px;
        }

        .video-frame-wrap{
            overflow:hidden;
            border-radius:16px;
            border:1px solid var(--line);
            background:#0f0810;
            min-height:430px;
        }

        .video-frame{
            width:100%;
            height:430px;
            display:block;
        }

        /* =========================================================
           05.09 CTA
        ========================================================== */
        .cta-card{
            background:linear-gradient(135deg,#7e4a1f 0%, #5e3416 50%, #3a1f0d 100%);
            color:#fff;
            border-radius:30px;
            padding:28px 30px;
            box-shadow:0 28px 72px rgba(36,10,8,.18);
        }

        .cta-layout{
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:18px;
            flex-wrap:wrap;
        }

        .cta-card h2{color:#fff7f0;margin:0}
        .cta-card p{color:#f0e2e9;margin-top:10px}

        .cta-panel{
            padding:18px;
            border-radius:22px;
            background:rgba(255,255,255,.08);
            border:1px solid rgba(255,255,255,.14);
        }

        .sample-actions{display:flex;gap:12px;flex-wrap:wrap}

        /* =========================================================
           05.10 RESPONSIVE
        ========================================================== */
        @media (max-width:900px){
            .hero-wrap,
            .cta-layout{
                grid-template-columns:1fr;
                display:grid;
            }
            .ic-grid{grid-template-columns:1fr}
            .content-list-two-col{column-count:1}
        }

        @media (max-width:640px){
            .container{width:min(var(--max),calc(100% - 16px))}
            .hero-left,.hero-right,.section-card{padding:16px}
            .ic-price-row{grid-template-columns:1fr}
            .btn{width:100%}
            .cta-row{display:grid;grid-template-columns:1fr}
        }