:root{--ink:#16140f;--paper:#f4efe4;--paper2:#ece4d3;--diesel:#b8772a;--diesel-dark:#8a5418;
    --volt:#1faa6e;--volt-dark:#137a4d;--volt-light:#d7f2e5;--line:#d8cdb6;--muted:#736b58;
    --road:#26231c;--navy:#1e2a33;--sans:'Barlow',-apple-system,sans-serif;--cond:'Barlow Condensed',sans-serif;}
  *{box-sizing:border-box;margin:0;padding:0}
  html{-webkit-text-size-adjust:100%}
  body{font-family:var(--sans);color:var(--ink);line-height:1.55;min-height:100vh;display:flex;flex-direction:column;
    background:radial-gradient(110% 70% at 85% -5%, rgba(31,170,110,.12), transparent 55%),linear-gradient(180deg,var(--paper),var(--paper2));}
  .wrap{width:100%;max-width:1000px;margin:0 auto;padding:0 20px}
  .topbar{background:var(--road);color:#f4efe4;padding:11px 0;border-bottom:4px solid var(--diesel)}
  .topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
  .brand{font-family:var(--cond);font-weight:900;font-size:23px;letter-spacing:.02em;text-transform:uppercase;display:flex;align-items:center;gap:8px}
  .brand .plug{color:var(--volt)}
  .brand .be{font-size:12px;background:var(--diesel);color:#fff;padding:2px 7px;border-radius:4px;font-weight:700;letter-spacing:.05em}
  .nav{display:flex;gap:16px;flex-wrap:wrap}
  .nav a{color:#cdbf9f;text-decoration:none;font-size:13.5px}
  .nav a:hover,.nav a[aria-current]{color:#fff}
  main{flex:1}
  .hero{padding:34px 0 4px}
  .kicker{font-family:var(--cond);font-weight:700;text-transform:uppercase;letter-spacing:.14em;font-size:13.5px;color:var(--diesel-dark)}
  h1{font-family:var(--cond);font-weight:900;font-size:clamp(34px,6vw,54px);line-height:.98;text-transform:uppercase;margin:8px 0 0}
  .lede{font-size:17.5px;color:#534c3d;margin:14px 0 0;max-width:66ch}
  h2{font-family:var(--cond);font-weight:900;text-transform:uppercase;font-size:27px;line-height:1.05;margin:34px 0 4px}
  h2 .n{color:var(--volt-dark);margin-right:9px}
  h3{font-family:var(--cond);font-weight:800;text-transform:uppercase;font-size:18px;letter-spacing:.03em;margin:20px 0 6px}
  p{margin:0 0 12px;max-width:70ch;font-size:15.5px}
  .card{background:#fff;border:1.5px solid var(--line);border-radius:14px;padding:18px 20px;margin:14px 0}
  .card.warn{background:#fdf6ea;border-color:#e3c690}
  .card.warn strong{color:var(--diesel-dark)}
  .tblwrap{overflow-x:auto;margin:12px 0 4px;border:1.5px solid var(--line);border-radius:14px;background:#fff}
  table{width:100%;border-collapse:collapse;min-width:560px}
  caption{caption-side:top;text-align:left;padding:14px 16px 0;font-family:var(--cond);font-weight:800;
    text-transform:uppercase;letter-spacing:.05em;font-size:15px;color:var(--diesel-dark)}
  th,td{padding:10px 14px;text-align:left;font-size:14.5px;border-bottom:1px solid #efe8d8;vertical-align:top}
  thead th{background:var(--road);color:#f4efe4;font-family:var(--cond);text-transform:uppercase;letter-spacing:.05em;font-size:13.5px;border-bottom:none;white-space:nowrap}
  tbody th{font-weight:600;color:var(--muted);width:26%}
  tr:last-child th,tr:last-child td{border-bottom:none}
  td.na{color:#9a917c;font-style:italic}
  .val{font-weight:700;font-variant-numeric:tabular-nums}
  .val .unit{font-weight:500;color:var(--muted);font-size:13px}
  .badge{display:inline-block;font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;
    padding:2px 7px;border-radius:20px;vertical-align:2px;white-space:nowrap}
  details.fn{display:block;margin-top:5px}
  details.fn summary{cursor:pointer;font-size:12px;color:var(--volt-dark);font-weight:600;list-style:none}
  details.fn summary::-webkit-details-marker{display:none}
  details.fn summary::before{content:"▸ ";}
  details.fn[open] summary::before{content:"▾ ";}
  details.fn p{font-size:13px;color:var(--muted);margin:5px 0 0;max-width:52ch;line-height:1.5}
  .legend{display:flex;gap:10px;flex-wrap:wrap;margin:10px 0 0;font-size:12.5px;color:var(--muted);align-items:center}
  ul.plain{list-style:none;margin:0 0 12px}
  ul.plain li{display:flex;gap:9px;margin-bottom:6px;font-size:15px}
  ul.plain .ck{color:var(--volt-dark);font-weight:800;flex-shrink:0}
  .srclist{list-style:none;margin:8px 0 0}
  .srclist li{padding:9px 0;border-bottom:1px dotted #ded4bd;font-size:14.5px}
  .srclist li:last-child{border-bottom:none}
  .srclist a{color:var(--volt-dark);font-weight:600}
  .srclist .meta{color:var(--muted);font-size:13px}
  .srclist .why{color:var(--muted);font-size:13px;display:block;margin-top:3px}
  footer{margin-top:38px;background:var(--road);color:#a99e85;padding:22px 0 30px;font-size:12.5px}
  footer .wrap{display:flex;flex-direction:column;gap:6px}
  footer b{color:#e8e0cf}
  footer a{color:var(--volt);text-decoration:none}
  .field{margin-bottom:13px}
  .field label{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:700;margin-bottom:4px}
  .field select,.field input[type=range]{width:100%}
  .field select{padding:8px 10px;border:1.5px solid var(--line);border-radius:8px;background:#fff;font:inherit;font-size:14.5px;color:var(--ink)}
  .field .rowline{display:flex;align-items:center;gap:10px}
  .field .rv{font-weight:700;color:var(--volt-dark);font-variant-numeric:tabular-nums;min-width:58px;text-align:right}
  input[type=range]{accent-color:var(--volt)}
  .out{background:linear-gradient(160deg,var(--navy),#16202a);color:#eef2f4;border-radius:14px;padding:20px 22px}
  .out .big{font-family:var(--cond);font-weight:900;font-size:46px;line-height:1;color:#8fd9b6}
  .out .big .u{font-size:20px;color:#c4ced4;margin-left:5px}
  .out .sub{font-size:14px;color:#c4ced4;margin-top:7px}
  .out .rows{margin-top:15px;border-top:1px solid #33454f;padding-top:12px}
  .out .r{display:flex;justify-content:space-between;gap:14px;font-size:14px;padding:4px 0}
  .out .r span:first-child{color:#9fb0bb}
  .out .r b{font-variant-numeric:tabular-nums}
  .grid2{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start}
  @media(max-width:760px){.grid2{grid-template-columns:1fr}h2{font-size:23px}}