:root{--bg:#eef0f3;--ink:#1d232b;--muted:#5b6571;--slate:#1d232b;--slate2:#2a323d;--orange:#ff6b1a;--orange-d:#c94d0a;--line:#d5dae1;--card:#fff;--green:#18794e;--r:6px}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 "IBM Plex Sans",system-ui,-apple-system,Segoe UI,sans-serif;overflow-x:hidden}
h1,h2,h3{line-height:1.2;letter-spacing:-.01em}
.mono,b,.kv b,.cv,.chip b,.bom .n,.tbl td small{font-family:"IBM Plex Mono",ui-monospace,monospace}
a{color:var(--orange-d)}a:hover{color:var(--ink)}
.wrap{width:100%;max-width:1140px;margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:9}
.top{background:var(--slate);color:#fff}
.top-in{display:flex;justify-content:space-between;align-items:center;min-height:58px;gap:12px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:600;font-size:19px}
.brand b{color:var(--orange);font-family:"IBM Plex Sans",sans-serif;font-weight:700}
.mark{width:32px;height:32px;background:var(--orange);color:var(--slate);border-radius:4px;display:inline-flex;align-items:center;justify-content:center}.mark svg{width:20px;height:20px}
.top nav{display:flex;gap:4px;flex-wrap:wrap}.top nav a{color:#c7ced8;text-decoration:none;font-size:14.5px;font-weight:500;padding:6px 10px;border-radius:4px}
.top nav a[aria-current],.top nav a:hover{background:var(--slate2);color:#fff;box-shadow:inset 0 -2px 0 var(--orange)}
.crumbs{font-size:13px;color:var(--muted);padding:10px 16px;display:flex;gap:8px}
.hero{background:var(--slate);color:#fff;padding:34px 0 70px;background-image:repeating-linear-gradient(135deg,transparent 0 22px,rgba(255,255,255,.025) 22px 44px)}
.crumbs+.hero{padding-top:24px}
.tag{display:inline-block;background:var(--orange);color:var(--slate);font-weight:700;font-size:12px;letter-spacing:.1em;text-transform:uppercase;padding:3px 8px;border-radius:3px;margin:0 0 12px}
.hero h1{font-size:clamp(28px,4.6vw,46px);margin:0 0 12px;max-width:22ch}
.lede{color:#c7ced8;font-size:18px;max-width:64ch;margin:0}
.tool{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:18px;margin-top:-44px;align-items:start}
.panel,.results{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:0 10px 24px rgba(29,35,43,.08);min-width:0}
.panel{padding:6px 18px 12px}
fieldset{border:none;box-shadow:inset 0 1px 0 var(--line);margin:0;padding:4px 0 14px;display:grid;grid-template-columns:1fr 1fr;gap:12px}
fieldset:first-child{box-shadow:none}
legend{font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.1em;color:var(--orange-d);padding:14px 0 2px}

.fld{display:flex;flex-direction:column;gap:3px;min-width:0}
.lb{font-weight:600;font-size:14px}
.fld small{color:var(--muted);font-size:12.5px;line-height:1.35}
.in{position:relative;display:block}
.in i{position:absolute;right:10px;top:50%;transform:translateY(-50%);font-style:normal;color:var(--muted);font-size:13px;font-family:"IBM Plex Mono",monospace;pointer-events:none}
.fld input,.fld select{width:100%;font:inherit;font-size:16px;padding:9px 11px;border:1.5px solid #c3cad4;border-radius:4px;background:#fafbfc;color:var(--ink)}
.fld input{font-family:"IBM Plex Mono",monospace;padding-right:52px}
.fld input:focus,.fld select:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,107,26,.2)}
.results{padding:18px}
.results h3{font-size:15px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:20px 0 8px}
.head{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:10px}
.kv{background:#f4f6f8;border-radius:4px;padding:10px;min-width:0}
.kv span{display:block;font-size:12.5px;color:var(--muted)}.kv b{font-size:17px;word-break:break-word}
.kv.big{background:var(--slate);color:#fff}.kv.big span{color:#aab4c1}.kv.big b{font-size:30px;color:#fff}
.kv.big.alt b{color:var(--orange)}
.scroll{overflow-x:auto;max-width:100%}
.bom{width:100%;border-collapse:collapse;font-size:14.5px}
.bom th,.bom td{text-align:left;padding:7px 6px;border-bottom:1px solid var(--line)}
.bom .n{text-align:right;white-space:nowrap}.bom tfoot td{font-weight:700;border:none}
.chips{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:6px}
.chip{border:1.5px solid var(--line);border-radius:4px;padding:8px;text-align:center}.chip span{display:block;font-size:12.5px;color:var(--muted)}.chip b{font-size:15px}
.chip.on{border-color:var(--orange);background:#fff4ec}
.note{font-size:13.5px;color:var(--muted);margin:12px 0 0}.note.warn{color:var(--orange-d);font-weight:600}
.cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.col{border:1.5px solid var(--line);border-radius:4px;padding:14px;display:flex;flex-direction:column;gap:2px;min-width:0}
.col.win{border-color:var(--green);background:#eef8f2}.col.muted{opacity:.7}
.ct{margin:0;font-weight:600;font-size:14px}.cv{font-size:28px}.cu{font-size:12.5px;color:var(--muted)}.cs{font-family:"IBM Plex Mono",monospace;font-size:14px}
.col small{font-size:12.5px;color:var(--muted);margin-top:4px}
.verdict{background:#f4f6f8;border-left:4px solid var(--orange);padding:10px 12px;margin:14px 0}
.prose{padding-top:30px}.prose h2{font-size:26px;margin:34px 0 10px}.prose p,.prose li{max-width:74ch}.prose li{margin:6px 0}
.tbl{border-collapse:collapse;background:#fff;margin:12px 0;font-size:15px;width:100%;max-width:760px}
.tbl th,.tbl td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl thead th{background:var(--slate);color:#fff;font-weight:600;font-size:14px}
.tbl td small{display:block;color:var(--muted);font-size:12.5px}
.cmp{max-width:none;min-width:640px}.cmp .pos{color:var(--green);font-weight:600}.cmp .neg{color:var(--orange-d)}
.buy{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-left:4px solid var(--orange);border-radius:var(--r);padding:16px;margin:30px 0}
.buy-ic{flex:none;width:40px;height:40px;background:var(--slate);color:var(--orange);border-radius:4px;display:flex;align-items:center;justify-content:center}.buy-ic svg{width:24px;height:24px}
.buy p{margin:0}.buy-h{font-weight:700;margin-bottom:4px!important}
.faq{margin:36px 0}.faq h2{font-size:26px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--r);margin:6px 0}
.faq summary{cursor:pointer;font-weight:600;padding:13px 40px 13px 16px;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:16px;top:10px;font-family:"IBM Plex Mono",monospace;font-size:20px;color:var(--orange-d)}
.faq details[open] summary::after{content:"-"}
.faq-a{padding:0 16px}.faq-a p{margin:0 0 14px}
.foot{background:var(--slate);color:#aab4c1;padding:30px 0 16px;margin-top:40px;font-size:14.5px}
.foot a{color:var(--orange)}
.foot-in{display:grid;grid-template-columns:1.2fr 1.4fr .8fr;gap:24px}
.fb{color:#fff;font-weight:600;font-size:18px;margin:0 0 6px}.fb b{color:var(--orange);font-family:"IBM Plex Sans",sans-serif}
.fh{color:#fff;font-weight:600;margin:0 0 6px}.foot ul{list-style:none;padding:0;margin:0}
.tiny{font-size:12.5px;margin-top:18px}
@media (max-width:900px){.tool{grid-template-columns:1fr}.foot-in{grid-template-columns:1fr}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.cols{grid-template-columns:1fr}.chips{grid-template-columns:repeat(3,minmax(0,1fr))}.kv.big b{font-size:24px}.top nav a{font-size:13.5px;padding:5px 8px}.hero{padding-bottom:60px}}
@media (max-width:360px){fieldset{grid-template-columns:1fr}}