:root {
  --ink:#102a32;--muted:#66777b;--paper:#f4f2eb;--card:#fffefa;--line:#d9ddd7;
  --teal:#0b776f;--teal-dark:#075851;--mint:#b9ead9;--lime:#dff29f;--navy:#0b252e;
  --red:#a7473e;--orange:#d76a3d;
}
*{box-sizing:border-box}html{background:var(--paper);scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Segoe UI","Microsoft YaHei UI","PingFang SC",sans-serif}button,input{font:inherit}button{cursor:pointer}sub,sup{line-height:0}.hidden{display:none!important}
main{min-height:100vh;overflow:hidden}.hero{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:end;max-width:1440px;margin:auto;padding:70px 64px 52px}.hero:before{content:"";position:absolute;width:380px;height:380px;border:1px solid rgba(11,119,111,.18);border-radius:50%;right:-120px;top:-240px;box-shadow:0 0 0 60px rgba(11,119,111,.035),0 0 0 122px rgba(11,119,111,.025)}.eyebrow{display:flex;align-items:center;gap:10px;margin:0;color:var(--teal);font-size:12px;font-weight:800;letter-spacing:.16em}.eyebrow span{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 5px rgba(11,119,111,.11)}h1{margin:22px 0 20px;font:500 clamp(50px,6vw,86px)/.98 Georgia,"Songti SC",serif;letter-spacing:-.045em}.hero h1 em{color:var(--teal);font-style:normal}.intro{max-width:680px;margin:0;color:var(--muted);font-size:17px;line-height:1.8}.equation{position:relative;padding:30px 32px;color:#eafff8;background:var(--navy);border-radius:4px;box-shadow:15px 15px 0 var(--mint);overflow:hidden}.equation:after{content:"";position:absolute;width:150px;height:150px;border:34px solid rgba(185,234,217,.08);border-radius:50%;right:-65px;bottom:-90px}.equation small{color:var(--mint);font-weight:800;letter-spacing:.18em}.equation p{position:relative;z-index:1;margin:24px 0 18px;font:400 clamp(16px,1.8vw,24px)/1.55 Georgia,serif}.equation>span{color:#9eb5b7;font-size:12px}
.panel{max-width:1312px;margin:0 auto 28px;padding:38px 42px;background:var(--card);border:1px solid var(--line);border-radius:5px;box-shadow:0 18px 60px rgba(25,47,49,.06)}.section-title,.results-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:30px}.section-title>div:first-child,.results-heading>div{display:flex;align-items:center;gap:14px}.section-title h2,.results-heading h2{margin:0;font:500 28px Georgia,"Songti SC",serif}.section-title>p,.results-heading>p{margin:0;color:var(--muted);font-size:13px}.section-title>div>b,.results-heading>div>b{display:grid;place-items:center;width:34px;height:34px;color:var(--teal-dark);background:var(--mint);border-radius:50%;font-size:11px;letter-spacing:.05em}.compact{margin-bottom:22px}.compact h2{font-size:22px}
.global-controls{display:grid;grid-template-columns:1fr 1.2fr auto;gap:22px;align-items:end;padding:24px;margin-bottom:26px;background:#eef2ed;border-left:3px solid var(--teal)}label>span,legend{display:block;margin-bottom:8px;color:var(--muted);font-size:12px;font-weight:700}fieldset{min-width:0;margin:0;padding:0;border:0}.input-unit{display:flex;align-items:center;height:44px;background:white;border:1px solid #cbd4cf;border-radius:3px;overflow:hidden}.input-unit:focus-within{border-color:var(--teal);box-shadow:0 0 0 3px rgba(11,119,111,.09)}.input-unit input{width:100%;min-width:0;height:100%;padding:0 12px;color:var(--ink);background:transparent;border:0;outline:0;font-variant-numeric:tabular-nums}.input-unit b{min-width:54px;padding:0 10px;color:var(--teal-dark);border-left:1px solid var(--line);font-size:12px;text-align:center}.segments{display:grid;grid-template-columns:repeat(3,1fr);height:44px;padding:3px;background:#dfe6e1;border-radius:3px}.segments button{color:#61716d;background:transparent;border:0;border-radius:2px;font-weight:700}.segments button.active{color:white;background:var(--teal);box-shadow:0 3px 8px rgba(11,119,111,.2)}.model-count{display:flex;align-items:center;gap:12px;min-width:155px;height:68px;padding:0 18px;color:var(--mint);background:var(--navy)}.model-count strong{font:400 36px Georgia,serif}.model-count span{color:#b7c8ca;font-size:11px;line-height:1.6}.model-count i{font-style:normal}
.amp-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:13px}.amp-card{padding:19px;background:white;border:1px solid var(--line)}.amp-card.reference{background:#f0f7f3;border-color:#b9d8cc}.amp-head{display:flex;align-items:center;gap:11px;padding-bottom:15px;margin-bottom:16px;border-bottom:1px solid #e4e8e4}.amp-head>span{display:grid;place-items:center;flex:0 0 37px;width:37px;height:37px;color:white;background:var(--teal);border-radius:2px;font:400 14px Georgia,serif}.amp-head h3{margin:0 0 3px;font-size:14px}.amp-head p{margin:0;color:var(--muted);font-size:10px}.amp-card label{display:block;margin-top:12px}.amp-card .input-unit{height:39px}
.actions{display:flex;gap:7px}.actions button{padding:9px 13px;color:var(--teal-dark);background:transparent;border:1px solid #aacdc3;border-radius:3px;font-size:12px;font-weight:700}.actions button:hover{background:#eef8f4}.actions .danger{color:var(--red);border-color:#e0b9b2}.legend{display:flex;align-items:center;gap:8px;margin-bottom:14px;color:var(--muted);font-size:11px}.legend span{display:grid;place-items:center;width:20px;height:20px;color:#63736f;background:#e5eae6;border-radius:50%;font-weight:800}.legend span.on{color:white;background:var(--teal)}.legend code{margin-left:13px;padding:3px 7px;color:var(--orange);background:#f8e9e2}.legend strong{margin-left:auto;color:var(--ink)}.table-wrap{max-height:610px;overflow:auto;border:1px solid var(--line)}table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}th{position:sticky;z-index:2;top:0;padding:13px 12px;color:#60706d;background:#edf1ed;border-bottom:1px solid #cdd5d0;font-size:11px;letter-spacing:.03em;text-align:center}td{padding:10px 12px;border-bottom:1px solid #e8ebe8;font-size:12px;text-align:center}tbody tr:last-child td{border-bottom:0}tbody tr:hover{background:#fafcf9}.anchor-row{background:#f0f8f4}.row-number{width:82px;color:#84908d;font-size:10px;font-weight:800}.row-number small{display:inline-block;margin-left:7px;padding:3px 5px;color:var(--teal-dark);background:var(--mint);border-radius:2px}.bit{display:inline-grid;place-items:center;width:26px;height:26px;color:#71807d;background:#e7ebe8;border-radius:50%;font-weight:900}.bit.on{color:white;background:var(--teal);box-shadow:0 0 0 3px rgba(11,119,111,.1)}.power-input{width:150px;padding:9px 11px;color:var(--ink);background:white;border:1px solid #ccd5d0;border-radius:2px;outline:0;text-align:right}.power-input:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(11,119,111,.08)}.power-input.missing{color:#b27561;background:#fff8f4}.energy-cell{width:145px;color:var(--teal-dark);font-weight:700}.calculate-bar{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-top:24px}.calculate-bar p{display:flex;flex-direction:column;gap:4px;margin:0}.calculate-bar p b{font-size:12px}.calculate-bar p span{color:var(--muted);font-size:11px}.primary{min-width:210px;padding:15px 21px;color:white;background:var(--teal);border:0;border-radius:3px;font-weight:800;box-shadow:0 8px 20px rgba(11,119,111,.2)}.primary:hover{background:var(--teal-dark)}.primary b{margin-left:20px;font-size:18px}
.alert{display:flex;align-items:flex-start;gap:18px;margin-top:20px;padding:15px 18px;border-left:3px solid;font-size:12px;line-height:1.65}.alert strong{white-space:nowrap}.alert span{display:block}.error{color:#7e302b;background:#fff0eb;border-color:var(--red)}.warning{max-width:1312px;margin:0 auto 22px;color:#68452f;background:#fff5d9;border-color:#d69143}
.results{margin-top:74px;padding:65px 0 35px;background:var(--navy)}.results-heading{max-width:1312px;margin:0 auto 28px;color:white}.results-heading>div>b{color:var(--navy);background:var(--lime)}.results-heading>p{color:#a9bec0}.fit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;max-width:1312px;margin:0 auto 28px}.fit-card{min-width:0;padding:23px;color:var(--ink);background:var(--card);border-top:4px solid var(--mint)}.fit-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:17px;border-bottom:1px solid var(--line)}.fit-head>div{display:flex;align-items:center;gap:10px}.fit-head span{color:var(--teal);font:400 13px Georgia,serif}.fit-head h3{margin:0;font-size:16px}.fit-head em{padding:5px 7px;color:var(--teal-dark);background:var(--mint);font-size:9px;font-style:normal;font-weight:800}.parameter{padding:16px 0;border-bottom:1px solid #e2e6e2}.parameter>span{display:block;margin-bottom:7px;color:var(--muted);font-size:10px;font-weight:800;letter-spacing:.08em}.parameter strong{display:block;font:500 23px Georgia,serif}.parameter.primary-param strong{font-size:30px}.parameter strong small{color:var(--teal);font-size:14px}.parameter strong i{color:var(--muted);font:normal 10px sans-serif}.parameter p{margin:6px 0 0;color:var(--muted);font-size:9px}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:5px;padding-top:16px}.metrics span,.metrics b{display:block}.metrics span{margin-bottom:5px;color:var(--muted);font-size:8px}.metrics b{font-size:10px;word-break:break-word}.card-warning{margin:15px -4px -5px;padding:10px;color:#714632;background:#fff2d5;border-left:2px solid #d69143;font-size:9px;line-height:1.5}.result-panel,.trace-panel{color:var(--ink);box-shadow:none}.result-wrap th,.result-wrap td{text-align:right}.result-wrap th:first-child,.result-wrap td:first-child{text-align:left}.result-wrap code,.trace-panel h2 code{padding:4px 7px;color:var(--teal-dark);background:#e6f2ed;font-weight:800;letter-spacing:.12em}.result-wrap tr.selected{background:#ecf6f1;box-shadow:inset 3px 0 var(--teal)}.result-wrap button{padding:6px 8px;color:var(--teal);background:transparent;border:1px solid #b5d4cb;border-radius:2px;font-size:10px}.bad{color:var(--red);font-weight:800}.trace-flow{display:flex;align-items:stretch;overflow-x:auto;padding:7px 0 8px}.trace-item{display:flex;align-items:center;flex:1 0 210px}.trace-item article{flex:1;min-width:190px;border:1px solid var(--line)}.trace-item article.enabled{border-top:3px solid var(--teal)}.trace-item article.disabled{opacity:.72;border-top:3px solid #aeb9b4}.trace-item header{display:flex;justify-content:space-between;padding:11px 13px;background:#edf2ee}.trace-item header span{color:var(--teal);font:700 13px Georgia,serif}.trace-item header b{font-size:10px}.trace-item article>div{display:grid;grid-template-columns:37px 1fr;gap:2px 8px;padding:10px 13px;border-top:1px solid #e5e8e5}.trace-item article>div>span{grid-row:1/span 2;align-self:center;color:var(--muted);font-size:9px}.trace-item article strong{font-size:12px}.trace-item article small{color:var(--muted);font-size:9px}.trace-item footer{padding:8px 13px;color:var(--teal-dark);background:#f5f8f5;font-size:9px;text-align:right}.connector{flex:0 0 24px;color:var(--mint);font-size:19px;text-align:center}
body>footer{display:flex;justify-content:space-between;gap:25px;max-width:1312px;margin:auto;padding:28px 0;color:#81989b;font-size:10px}body>footer span{color:var(--teal);font-weight:800;letter-spacing:.14em}body>footer p{margin:0}
@media(max-width:1100px){.hero{gap:35px;padding-inline:32px}.panel,.results-heading,.fit-grid,.warning,body>footer{width:calc(100% - 48px)}.amp-grid{grid-template-columns:repeat(3,1fr)}.fit-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.hero{grid-template-columns:1fr;padding:44px 20px 42px}.hero h1{font-size:50px}.equation{box-shadow:8px 8px 0 var(--mint)}.panel,.results-heading,.fit-grid,.warning,body>footer{width:calc(100% - 24px)}.panel{padding:25px 18px}.section-title,.results-heading,.calculate-bar,body>footer{align-items:flex-start;flex-direction:column}.global-controls{grid-template-columns:1fr}.model-count{width:100%}.amp-grid,.fit-grid{grid-template-columns:1fr}#measurement-table{min-width:690px}.result-wrap table{min-width:680px}.primary{width:100%}.legend{flex-wrap:wrap}.legend strong{width:100%;margin:4px 0 0}.results{margin-top:45px;padding-top:38px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}