:root{
    --bg:#f3f5fa;--card:#fff;--ink:#0f172a;--mut:#64748b;--mut2:#94a3b8;
    --line:#e6e9f0;--line2:#d6dbe6;--ind:#4f46e5;--ind-d:#4338ca;--ind-soft:#eef0fe;--ind-soft2:#e3e7fd;
    --grn:#16a34a;--mono:ui-monospace,'SFMono-Regular',Menlo,Consolas,monospace;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  body{font-family:Inter,-apple-system,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--ink);line-height:1.5;-webkit-font-smoothing:antialiased}
  .hint{background:#0f172a;color:#cbd5e1;font-size:13px;padding:9px 16px;text-align:center}
  .hint b{color:#fff}
  header{max-width:1080px;margin:0 auto;padding:20px 20px 0;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
  .brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.02em;cursor:pointer}
  .brand .logo{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--ind),#7c83f3);display:grid;place-items:center;color:#fff;font-size:16px}
  .brand small{display:block;font-weight:500;font-size:11.5px;color:var(--mut)}
  .lang{display:flex;gap:2px;background:#fff;border:1px solid var(--line);border-radius:9px;padding:3px}
  .lang button{border:0;background:transparent;font:inherit;font-size:12.5px;font-weight:700;color:var(--mut);padding:5px 10px;border-radius:6px;cursor:pointer}
  .lang button.on{background:var(--ind);color:#fff}
  .wrap{max-width:1080px;margin:16px auto 60px;padding:0 20px}

  /* hub */
  .lede h1{font-size:clamp(22px,3vw,30px);letter-spacing:-.02em;line-height:1.12}
  .lede p{color:var(--mut);font-size:14.5px;margin-top:7px;max-width:640px}
  .cat{margin-top:26px}
  .cat h3{font-size:13px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--mut);display:flex;align-items:center;gap:8px;margin-bottom:12px}
  .cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:14px}
  .ccard{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;cursor:pointer;transition:.16s;display:flex;gap:15px;align-items:flex-start}
  .ccard:hover{border-color:var(--ind);box-shadow:0 10px 28px rgba(79,70,229,.14);transform:translateY(-2px)}
  .ccard .ci{width:50px;height:50px;border-radius:13px;background:var(--ind-soft);display:grid;place-items:center;font-size:25px;flex-shrink:0}
  .ccard b{font-size:16px;font-weight:700;display:block;letter-spacing:-.01em}
  .ccard small{font-size:12.75px;color:var(--mut);display:block;margin-top:5px;line-height:1.45}
  .ccard.soon{opacity:.6;cursor:default}
  .ccard.soon:hover{border-color:var(--line);box-shadow:none;transform:none}
  .tag{font-size:9px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;background:var(--ind-soft);color:var(--ind-d);padding:1px 6px;border-radius:6px;vertical-align:middle;margin-left:6px}

  /* calc view */
  .back{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line2);background:#fff;color:var(--ink);font:inherit;font-size:13px;font-weight:600;padding:8px 13px;border-radius:9px;cursor:pointer;margin-bottom:16px}
  .back:hover{border-color:var(--ind);color:var(--ind)}
  .grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:20px;align-items:start}
  @media(max-width:880px){.grid{grid-template-columns:1fr}}
  .card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px}
  .card h2{font-size:17px;font-weight:800;letter-spacing:-.01em;display:flex;align-items:center;gap:9px;margin-bottom:4px}
  .card .csub{font-size:12.5px;color:var(--mut);margin-bottom:16px}

  label.fld{display:block;margin-bottom:13px}
  label.fld>span{display:block;font-size:12px;font-weight:600;color:var(--mut);margin-bottom:5px}
  input,select{width:100%;font:inherit;font-size:14.5px;color:var(--ink);padding:10px 12px;border:1px solid var(--line2);border-radius:10px;background:#fff;transition:.15s}
  input:focus,select:focus{outline:none;border-color:var(--ind);box-shadow:0 0 0 3px rgba(79,70,229,.13)}
  .flds2{display:grid;grid-template-columns:1fr 1fr;gap:11px}
  .seg{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:13px}
  .seg button{border:1px solid var(--line2);background:#fff;font:inherit;font-size:13.5px;font-weight:600;color:var(--ink);padding:11px 10px;border-radius:11px;cursor:pointer;text-align:left;transition:.15s;line-height:1.3}
  .seg button small{display:block;font-weight:500;font-size:11px;color:var(--mut);margin-top:2px}
  .seg button.on{border-color:var(--ind);background:var(--ind-soft);box-shadow:0 0 0 1px var(--ind) inset}
  .chk{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--ink);cursor:pointer;user-select:none;margin-top:4px}
  .chk input{width:17px;height:17px;accent-color:var(--ind)}
  details.adv{margin-top:8px;border:1px dashed var(--line2);border-radius:12px;padding:0 13px}
  details.adv>summary{cursor:pointer;list-style:none;font-size:13px;font-weight:700;color:var(--ind-d);padding:11px 0}
  details.adv>summary::-webkit-details-marker{display:none}
  details.adv>summary::before{content:"⚙️ "}
  .advgrid{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:2px 0 14px}
  .advgrid label span{display:block;font-size:11px;color:var(--mut);margin-bottom:4px}
  .advgrid input{padding:8px 10px;font-size:13px}

  .res-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:14px}
  .res-head .area{font-size:12.5px;color:var(--mut)}
  .res-head .area b{color:var(--ink);font-variant-numeric:tabular-nums}
  .mat{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid #f1f3f8}
  .mat.off{opacity:.4}
  .mat.off .qty .big{text-decoration:line-through}
  .mck{display:flex;align-items:center;flex-shrink:0;cursor:pointer}
  .mck input{width:18px;height:18px;accent-color:#4f46e5;cursor:pointer}
  .mat.custom .ic{background:#fef3c7}
  .qty .cust-q{width:56px;border:1px solid #d8def0;border-radius:7px;padding:3px 6px;font:inherit;font-size:15px;font-weight:800;text-align:right;color:#0f172a}
  .qty .cust-q:focus{outline:0;border-color:#4f46e5}
  .cust-del{margin-left:4px;border:0;background:none;color:#cbd5e1;font-size:16px;cursor:pointer;flex-shrink:0;line-height:1;padding:2px 4px}
  .cust-del:hover{color:#ef4444}
  .addmat{padding:12px 0 2px}
  .addmat-btn{width:100%;border:1px dashed #c7cee0;background:#fafbff;color:#4f46e5;font:inherit;font-weight:700;font-size:13.5px;padding:11px;border-radius:11px;cursor:pointer}
  .addmat-btn:hover{border-color:#4f46e5;background:#f2f4ff}
  .addmat-form{border:1px solid #e2e8f0;border-radius:12px;padding:12px;background:#fff;display:flex;flex-direction:column;gap:8px;margin-top:6px}
  .addmat-form input{border:1px solid #d8def0;border-radius:9px;padding:9px 11px;font:inherit;font-size:14px;width:100%}
  .addmat-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}
  .addmat-actions{display:flex;gap:8px;justify-content:flex-end}
  .addmat-actions button{border:1px solid #d8def0;background:#fff;color:#334155;font:inherit;font-weight:700;font-size:13px;padding:9px 14px;border-radius:9px;cursor:pointer}
  .addmat-actions .am-ok{border:0;background:#4f46e5;color:#fff}
  .addmat-btns{display:flex;gap:8px}
  .addmat-btns .addmat-btn{flex:1}
  .cb-open{border-style:solid!important;border-color:#c7cee0!important;background:#fff!important}
  .cb-modal{position:fixed;inset:0;background:rgba(15,23,42,.55);display:none;align-items:flex-end;justify-content:center;z-index:200;backdrop-filter:blur(2px)}
  .cb-modal.open{display:flex}
  .cb-card{background:#fff;width:100%;max-width:560px;max-height:88vh;border-radius:20px 20px 0 0;display:flex;flex-direction:column;padding:18px 16px 0;box-shadow:0 -10px 40px rgba(0,0,0,.2)}
  @media(min-width:560px){.cb-modal{align-items:center}.cb-card{border-radius:18px;max-height:84vh}}
  .cb-head{display:flex;justify-content:space-between;align-items:center}
  .cb-head b{font-size:18px;font-weight:850}
  .cb-x{border:0;background:#f1f5f9;width:34px;height:34px;border-radius:50%;font-size:15px;cursor:pointer;color:#64748b}
  .cb-sub{font-size:12px;color:#94a3b8;margin:4px 0 12px}
  .cb-search{border:1.5px solid #d8def0;border-radius:11px;padding:11px 13px;font:inherit;font-size:15px;width:100%;margin-bottom:10px}
  .cb-search:focus{outline:0;border-color:#4f46e5}
  .cb-cats{display:flex;gap:7px;overflow-x:auto;padding-bottom:10px;flex-shrink:0;-webkit-overflow-scrolling:touch}
  .cb-chip{flex-shrink:0;border:1px solid #e2e8f0;background:#fff;color:#475569;font:inherit;font-size:12.5px;font-weight:600;padding:7px 12px;border-radius:20px;cursor:pointer;white-space:nowrap}
  .cb-chip.on{background:#4f46e5;border-color:#4f46e5;color:#fff}
  .cb-list{overflow-y:auto;flex:1;padding-bottom:16px;margin:0 -4px}
  .cb-row{display:flex;align-items:center;gap:11px;padding:10px 8px;border-bottom:1px solid #f1f3f8}
  .cb-ic{width:34px;height:34px;border-radius:9px;background:#f1f5f9;display:grid;place-items:center;font-size:16px;flex-shrink:0}
  .cb-nm{flex:1;min-width:0}
  .cb-nm b{font-size:13.5px;font-weight:700;display:block;line-height:1.25}
  .cb-nm small{font-size:11.5px;color:#94a3b8}
  .cb-pr{font-size:13.5px;font-weight:800;color:#0f172a;white-space:nowrap}
  .cb-add{flex-shrink:0;border:0;background:#eef2ff;color:#4f46e5;font:inherit;font-weight:800;font-size:12.5px;padding:8px 11px;border-radius:9px;cursor:pointer}
  .cb-add:hover{background:#4f46e5;color:#fff}
  .cb-add.done{background:#16a34a;color:#fff}
  .cb-empty{text-align:center;color:#94a3b8;padding:30px;font-size:13.5px}
  .mat .ic{width:34px;height:34px;border-radius:9px;background:var(--ind-soft);display:grid;place-items:center;font-size:16px;flex-shrink:0}
  .mat .nm{flex:1;min-width:0}
  .mat .nm b{font-size:14px;font-weight:700;display:block}
  .mat .nm small{font-size:11.5px;color:var(--mut2);font-family:var(--mono)}
  .mat .nm small .wbox{display:inline-flex;align-items:center;gap:1px;font-family:var(--mono)}
  .mat .nm small .wi{width:30px;padding:1px 2px;font-size:11px;text-align:center;border:1px solid var(--line2);border-radius:5px;background:#fff;color:inherit;font-family:var(--mono);font-weight:700;-moz-appearance:textfield}
  .mat .nm small .wi:focus{outline:none;border-color:var(--ind)}
  .mat .nm small .wi.wedit{border-color:var(--ind);background:var(--ind-soft);color:var(--ind)}
  .mat .qty{text-align:right;white-space:nowrap}
  .mat .qty .big{font-size:15px;font-weight:800;font-variant-numeric:tabular-nums}
  .mat .qty .base{font-size:11px;color:var(--mut);font-family:var(--mono)}
  .mat .price{display:flex;flex-direction:column;align-items:flex-end;gap:3px;min-width:104px}
  .mat .price .pin{display:flex;align-items:center;gap:4px}
  .mat .price .pin input{width:60px;padding:5px 7px;font-size:12.5px;text-align:right;border:1px solid var(--line2);border-radius:7px;font-variant-numeric:tabular-nums}
  .mat .price .pin input.custom{border-color:var(--ind);background:var(--ind-soft)}
  .mat .price .pu{font-size:10px;color:var(--mut2);font-family:var(--mono);white-space:nowrap}
  .mat .price .ps{font-size:13px;font-weight:800;color:var(--grn);font-variant-numeric:tabular-nums}

  .pricebar{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px;padding:9px 12px;background:var(--ind-soft);border:1px solid var(--ind-soft2);border-radius:10px;font-size:11.5px;color:var(--ind-d);font-weight:600;flex-wrap:wrap}
  .pricebar button{border:1px solid var(--ind-soft2);background:#fff;color:var(--ind-d);font:inherit;font-size:11.5px;font-weight:700;padding:6px 10px;border-radius:8px;cursor:pointer}
  .pricebar.off{display:none}
  .total{display:block;margin-top:12px;padding:13px 16px;background:#0f172a;color:#fff;border-radius:13px}
  .total .trow{display:flex;align-items:center;justify-content:space-between;padding:5px 0}
  .total .trow span{font-size:13px;color:#cbd5e1;font-weight:600}
  .total .trow b{font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;color:#e2e8f0}
  .total .trow.grand{border-top:1px solid #243042;margin-top:5px;padding-top:11px}
  .total .trow.grand span{font-size:14px;color:#fff;font-weight:700}
  .total .trow.grand b{font-size:23px;font-weight:850;color:#fff}
  .total.off{display:none}
  .psrc{font-size:10.5px;color:var(--mut2);margin-top:8px;line-height:1.5}
  .psrc.off{display:none}
  .disc{font-size:11px;color:var(--mut2);margin-top:12px;line-height:1.5}
  .copybtn{margin-top:12px;width:100%;border:1px solid var(--line2);background:#fff;color:var(--ink);font:inherit;font-weight:700;font-size:13px;padding:10px;border-radius:10px;cursor:pointer}
  .copybtn:hover{border-color:var(--ind);color:var(--ind)}
  .cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
  .cta a{flex:1;min-width:180px;text-decoration:none;border-radius:12px;padding:13px 14px;font-weight:700;font-size:13.5px;display:flex;align-items:center;gap:9px;transition:.15s;border:1px solid transparent}
  .cta .c1{background:var(--ind);color:#fff}.cta .c1:hover{background:var(--ind-d)}
  .cta .c2{background:#fff;border-color:var(--line2);color:var(--ink)}.cta .c2:hover{border-color:var(--ind);color:var(--ind)}
  .cta .ttl{display:block}.cta .sb{display:block;font-weight:500;font-size:11.5px;opacity:.85;margin-top:1px}
  .rline{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid #f1f3f8}
  .rline .rl{font-size:13.5px;color:var(--mut);font-weight:600}
  .rline .rv{font-size:16px;font-weight:800;font-variant-numeric:tabular-nums}
  .rline .rv.grn{color:var(--grn)}
  .rline.big{background:#0f172a;border:0;border-radius:13px;padding:15px 16px;margin-bottom:8px}
  .rline.big .rl{color:#cbd5e1}.rline.big .rv{font-size:23px;color:#fff}
  .hidden{display:none!important}
  .badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
  .badge{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:12.5px;font-weight:600}
  .how h2,.sech,.faq h2{font-size:13px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--mut);margin:30px 0 14px}
  .how{margin-top:8px}
  .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
  .step{display:flex;gap:12px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px}
  .step .sn{flex:0 0 30px;height:30px;border-radius:8px;background:var(--ind-soft);color:var(--ind-d);font-weight:800;display:grid;place-items:center;font-size:15px}
  .step b{font-size:14.5px}.step p{font-size:13px;color:var(--mut);margin-top:4px;line-height:1.45}
  .faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:8px;overflow:hidden}
  .faq summary{cursor:pointer;list-style:none;padding:14px 16px;font-weight:700;font-size:14px;display:flex;justify-content:space-between;align-items:center;gap:12px}
  .faq summary::-webkit-details-marker{display:none}
  .faq summary::after{content:'+';color:var(--ind);font-weight:800;font-size:18px}
  .faq details[open] summary::after{content:'\2013'}
  .faq details p{padding:0 16px 14px;color:var(--mut);font-size:13.5px;line-height:1.55}
  .site-foot{background:#0f172a;color:#cbd5e1;margin:50px auto 0;padding:32px 24px;display:grid;grid-template-columns:2fr 1fr 1.4fr;gap:24px;max-width:1080px;border-radius:16px 16px 0 0}
  .site-foot .fbrand{display:flex;align-items:center;gap:8px;font-weight:800;color:#fff;font-size:16px}
  .site-foot .fbrand .logo{width:26px;height:26px;border-radius:7px;background:linear-gradient(135deg,var(--ind),#7c83f3);display:grid;place-items:center;font-size:14px}
  .site-foot p{font-size:13px;margin-top:8px;max-width:280px;line-height:1.5;color:#94a3b8}
  .site-foot h4{font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;color:#94a3b8;margin-bottom:10px}
  .site-foot a{display:block;color:#cbd5e1;text-decoration:none;font-size:13.5px;padding:4px 0}
  .site-foot a:hover{color:#fff}
  .frights{grid-column:1/-1;border-top:1px solid #1e293b;padding-top:16px;font-size:12px;color:#64748b}
  @media(max-width:760px){.steps{grid-template-columns:1fr}.site-foot{grid-template-columns:1fr;border-radius:0;margin-top:30px}}
  .ccard{text-decoration:none;color:inherit}
  #cTitle{font-size:clamp(19px,2.4vw,23px);letter-spacing:-.02em;line-height:1.15}
  .promo-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
  .promo-card{display:flex;gap:15px;align-items:center;border-radius:16px;padding:20px 22px;color:#fff;text-decoration:none;transition:.16s}
  .promo-card .pc-ic{width:50px;height:50px;border-radius:13px;background:rgba(255,255,255,.18);display:grid;place-items:center;font-size:26px;flex-shrink:0}
  .promo-card b{font-size:16.5px;display:block;letter-spacing:-.01em}
  .promo-card span.s{font-size:13px;opacity:.92;display:block;margin-top:3px;line-height:1.45}
  .promo-card .arr{margin-left:auto;font-size:22px;opacity:.85;align-self:center}
  .promo-mp{background:linear-gradient(135deg,#4f46e5,#7c3aed)}
  .promo-ai{background:linear-gradient(135deg,#0ea5e9,#2563eb)}
  .promo-card:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(37,99,235,.22);filter:brightness(1.05)}
  @media(max-width:760px){.promo-grid{grid-template-columns:1fr}}
  /* ---- estimate cart (multi-calc) ---- */
  .addest-btn{width:100%;margin-top:10px;border:1.5px solid #4f46e5;background:#fff;color:#4f46e5;font:inherit;font-weight:800;font-size:14px;padding:12px;border-radius:12px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:7px;transition:.15s}
  .addest-btn:hover{background:#eef0fe}
  .addest-btn.hidden{display:none}
  .est-fab{position:fixed;right:18px;bottom:18px;z-index:60;border:0;background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff;font:inherit;font-weight:800;font-size:14px;padding:13px 17px;border-radius:14px;cursor:pointer;box-shadow:0 10px 30px rgba(79,70,229,.4);display:flex;align-items:center;gap:8px}
  .est-fab .ef-c{background:rgba(255,255,255,.25);border-radius:20px;padding:1px 9px;font-size:13px}
  .est-fab.hidden{display:none}
  .est-modal{position:fixed;inset:0;z-index:100;background:rgba(15,23,42,.55);display:none;align-items:flex-end;justify-content:center}
  .est-modal.open{display:flex}
  @media(min-width:620px){.est-modal{align-items:center;padding:20px}}
  .est-sheet{background:#fff;width:100%;max-width:560px;max-height:88vh;border-radius:20px 20px 0 0;display:flex;flex-direction:column;overflow:hidden}
  @media(min-width:620px){.est-sheet{border-radius:18px}}
  .est-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid #e2e8f0}
  .est-head h3{font-size:18px;font-weight:800}
  .est-x{border:0;background:#f1f5f9;width:34px;height:34px;border-radius:9px;font-size:16px;cursor:pointer;color:#475569}
  .est-body{padding:4px 20px;overflow:auto;flex:1}
  .est-entry{padding:14px 0;border-bottom:1px solid #eef2f7}
  .est-entry-h{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;margin-bottom:8px}
  .est-entry-h b{font-size:14.5px}
  .est-entry-h .sub{font-size:11.5px;color:#94a3b8;font-weight:600;margin-left:4px}
  .est-entry-rm{border:0;background:#fef2f2;color:#dc2626;width:30px;height:30px;border-radius:8px;font-size:14px;cursor:pointer;flex-shrink:0}
  .est-line{display:flex;justify-content:space-between;gap:10px;font-size:13px;color:#475569;padding:2px 0}
  .est-line .q{color:#94a3b8;white-space:nowrap}
  .est-line b{color:#0f172a}
  .est-sub{display:flex;justify-content:space-between;font-size:13px;font-weight:800;margin-top:6px}
  .est-empty{text-align:center;color:#94a3b8;font-size:14px;padding:40px 12px;line-height:1.55}
  .est-foot{border-top:1px solid #e2e8f0;padding:15px 20px;display:flex;flex-direction:column;gap:10px}
  .est-grand{display:flex;justify-content:space-between;font-size:17px;font-weight:800}
  .est-grand b{color:#4f46e5}
  .est-actions{display:flex;gap:9px}
  .est-btn{flex:1;border:1px solid #e2e8f0;background:#fff;font:inherit;font-weight:700;font-size:14px;padding:12px;border-radius:11px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:6px}
  .est-btn.primary{background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff;border:0}
  .est-pro{display:block;text-align:center;color:#4f46e5;font-weight:700;font-size:13.5px;text-decoration:none;padding:2px}
  .est-clear{border:0;background:transparent;color:#94a3b8;font:inherit;font-size:12.5px;cursor:pointer;text-decoration:underline;align-self:center}
  .printdoc{display:none}
  .presetbar{display:flex;flex-wrap:wrap;gap:7px;align-items:center;margin:2px 0 12px}
  .preset-lbl{font-size:12px;font-weight:700;color:#64748b;margin-right:2px}
  .preset-chip{border:1px solid #d8def0;background:#f7f9ff;color:#3730a3;font:inherit;font-weight:700;font-size:12.5px;padding:7px 11px;border-radius:999px;cursor:pointer;transition:.15s}
  .preset-chip:hover{border-color:#4f46e5;background:#eef0fe;transform:translateY(-1px)}
  .projbar{display:flex;gap:8px;align-items:center;margin:2px 0 14px;flex-wrap:wrap}
  .projbar select{flex:1;min-width:150px;padding:9px 11px;border:1px solid #d8def0;border-radius:10px;font:inherit;font-size:13.5px;background:#fff;color:#0f172a}
  .projbtn{display:inline-flex;align-items:center;gap:6px;border:1px solid #d8def0;background:#fff;color:#334155;font:inherit;font-weight:700;font-size:13px;padding:9px 12px;border-radius:10px;cursor:pointer;white-space:nowrap;transition:.15s}
  .projbtn:hover{border-color:#4f46e5;color:#4f46e5}
  @media print{
    body{background:#fff!important}
    body > *:not(#printDoc){display:none!important}
    #printDoc{display:block!important}
    .est-fab,.est-modal{display:none!important}
    @page{margin:14mm}
  }
a.back{text-decoration:none}
.crumbs{font-size:12.5px;color:var(--mut);margin-bottom:8px}
.crumbs a{color:var(--ind-d);text-decoration:none;font-weight:600}
.related .cards{margin-top:4px}
.how ul{margin:8px 0 12px;padding-left:20px;color:var(--mut);font-size:13.5px;line-height:1.6}