:root{--ink:#17352d;--dark:#183329;--dark2:#10261f;--paper:#f2eadc;--paper2:#e5d7c1;--orange:#bf6338;--gold:#c98f55;--line:#c8bba6;--white:#fffaf0}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--paper);color:var(--ink);margin:0;font-family:Arial,Microsoft YaHei,sans-serif}body:before{content:"";pointer-events:none;z-index:20;opacity:.13;background-image:radial-gradient(#4b3c2d .55px,#0000 .65px);background-size:7px 7px;position:fixed;inset:0}button,input{font:inherit}.top{background:var(--dark2);height:78px;color:var(--white);border-bottom:1px solid #fff2;align-items:center;gap:45px;padding:0 5vw;display:flex}.brand{align-items:center;display:flex}.brand img{filter:brightness(0)invert();width:170px;height:auto;display:block}.top>div:nth-child(2){border-left:1px solid #ffffff2a;gap:3px;padding-left:32px;display:grid}.top>div:nth-child(2) span{color:#9dac9f;letter-spacing:2px;font-size:8px}.top>div:nth-child(2) b{font:400 14px Georgia}.top>em{color:#b7c4bc;margin-left:auto;font-size:9px;font-style:normal}.intro{min-height:420px;color:var(--white);background:radial-gradient(circle at 78% 28%,#c66c3530,#0000 34%),linear-gradient(120deg,#173329,#10231d);grid-template-columns:1fr auto;align-items:end;gap:70px;padding:75px 7vw 60px;display:grid}.intro small,.section-title small,.load-card header>small,.notes>div small{letter-spacing:3px;color:var(--gold);font:9px Georgia}.intro h1{letter-spacing:-3px;margin:16px 0 22px;font:500 clamp(52px,6vw,86px)/1.05 Georgia,Songti SC,serif}.intro h1 em{color:#e8bd8d;font-style:normal}.intro p{color:#b7b7ad;max-width:720px;font-size:13px;line-height:2}.intro aside{gap:9px;width:190px;display:grid}.intro button{color:#eee4d4;text-align:left;cursor:pointer;background:#ffffff08;border:1px solid #ffffff32;padding:13px}.intro button:hover{color:var(--ink);background:#efe1ca}.workspace{grid-template-columns:360px 1fr;align-items:start;gap:18px;padding:50px 5vw 20px;display:grid}.inputs{border:1px solid var(--line);background:#f8f1e6;padding:25px}.section-title{border-bottom:1px solid var(--line);padding-bottom:16px}.section-title h2{margin:8px 0 0;font:30px Georgia,Songti SC,serif}.point-editor{border-bottom:1px solid var(--line);padding:18px 0}.point-editor header{align-items:center;gap:10px;margin-bottom:12px;display:flex}.point-editor header i,.state-card header i{background:var(--orange);color:#fff;border-radius:50%;place-items:center;width:30px;height:30px;font:italic 14px Georgia;display:grid}.point-editor header input{color:var(--ink);background:0 0;border:0;outline:0;width:180px;font-weight:700}.point-editor label{grid-template-columns:1fr auto;align-items:center;gap:7px;margin-top:12px;display:grid}.point-editor label>span{font-size:10px}.point-editor label>span small{color:#948779}.point-editor output{color:var(--orange);font:italic 20px Georgia}.point-editor input[type=range]{width:100%;accent-color:var(--orange);grid-column:1/2}.point-editor .number{border:1px solid var(--line);text-align:center;background:#fff9ef;width:62px;padding:5px}.global-fields{gap:12px;padding-top:18px;display:grid}.global-fields label{justify-content:space-between;align-items:center;font-size:10px;display:flex}.global-fields label>div{border-bottom:1px solid var(--line);align-items:center;display:flex}.global-fields input{text-align:right;background:0 0;border:0;outline:0;width:85px;padding:6px}.global-fields small{color:#887d70}.global-fields output{color:var(--orange);font:15px Georgia}.chart-panel{background:var(--dark);color:var(--white);border:1px solid #29463d;padding:25px}.section-title.inverse{border-color:#ffffff26;grid-template-columns:1fr auto;align-items:end;display:grid}.section-title.inverse small{grid-column:1/3}.section-title.inverse span{color:#94a399;font-size:8px}.chart{width:100%;height:570px;margin-top:20px;display:block}.legend{color:#aeb9b2;align-items:center;gap:24px;padding-top:15px;font-size:9px;display:flex}.legend span:last-child{margin-left:auto}.legend i{border-radius:50%;width:8px;height:8px;margin-right:6px;display:inline-block}.legend .orange{background:var(--orange)}.legend .green{background:#183d32;border:1px solid #fff}.results{grid-template-columns:1fr 1fr;gap:18px;padding:18px 5vw 65px;display:grid}.state-card,.load-card{border:1px solid var(--line);background:#f8f1e6;padding:27px}.state-card header{align-items:center;gap:13px;margin-bottom:18px;display:flex}.state-card:nth-child(2) header i{background:var(--dark)}.state-card header small{letter-spacing:2px;color:#9e613d;font:8px Georgia}.state-card h2,.load-card h2{margin:3px 0;font:27px Georgia,Songti SC,serif}.state-card header p,.load-card header p{color:#867b6e;margin:0;font-size:9px}.metrics{border-left:1px solid var(--line);border-top:1px solid var(--line);grid-template-columns:repeat(4,1fr);display:grid}.metrics div{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:15px}.metrics span{color:#897f73;font-size:8px;display:block}.metrics b{color:var(--orange);margin:8px 0 3px;font:22px Georgia;display:block}.metrics small{color:#938779;font-size:7px}.load-card{background:var(--dark);color:var(--white);grid-column:1/3;grid-template-columns:260px 1fr;gap:30px;display:grid}.load-card header p{color:#aab3ac}.load-main{border-top:1px solid #ffffff28;border-left:1px solid #ffffff28;grid-template-columns:repeat(4,1fr);display:grid}.load-main>div{border-bottom:1px solid #ffffff28;border-right:1px solid #ffffff28;padding:18px}.load-main span,.load-main small{color:#a8b1aa;font-size:8px;display:block}.load-main b{margin:10px 0 5px;font:34px Georgia;display:block}.load-main b.cool{color:#7fd3c1}.load-main b.heat{color:#e4a36b}.formula{color:#9eaaa3;grid-column:1/3;margin:0;font-size:9px;line-height:1.8}.notes{background:var(--paper2);grid-template-columns:.55fr 1.45fr;gap:7vw;padding:65px 7vw;display:grid}.notes h2{margin:10px 0;font:42px Georgia,Songti SC,serif}.notes ol{border-top:1px solid #a99a83;grid-template-columns:repeat(3,1fr);margin:0;padding:0;list-style:none;display:grid}.notes li{border-right:1px solid #b7a78e;padding:22px}.notes li b{color:var(--orange);font:italic 15px Georgia}.notes li span{margin:22px 0 8px;font:18px Georgia;display:block}.notes li p{color:#756b5f;font-size:9px;line-height:1.8}footer{background:var(--dark2);color:#a8b2ab;justify-content:space-between;padding:28px 5vw;font-size:9px;display:flex}footer b{color:#e9dbc6;font:14px Georgia}@media (max-width:1000px){.workspace{grid-template-columns:1fr}.chart{height:500px}.inputs{grid-template-columns:1fr 1fr;gap:0 20px;display:grid}.inputs>.section-title,.global-fields{grid-column:1/3}.results{grid-template-columns:1fr}.load-card{grid-column:auto;grid-template-columns:1fr}.formula{grid-column:auto}.metrics{grid-template-columns:repeat(2,1fr)}}@media (max-width:650px){.top{height:auto;min-height:68px;padding:12px 18px}.top>div:nth-child(2),.top>em{display:none}.intro{grid-template-columns:1fr;min-height:0;padding:65px 20px 45px}.intro h1{font-size:52px}.intro aside{grid-template-columns:1fr 1fr 1fr;width:100%}.workspace,.results{padding-left:14px;padding-right:14px}.inputs{padding:20px;display:block}.chart-panel{padding:15px}.chart{height:390px}.section-title.inverse{display:block}.section-title.inverse span{margin-top:7px;display:block}.legend{flex-wrap:wrap}.legend span:last-child{margin-left:0}.metrics,.load-main{grid-template-columns:1fr 1fr}.load-card{padding:22px}.notes{grid-template-columns:1fr;padding:50px 20px}.notes ol{grid-template-columns:1fr}.notes li{border-bottom:1px solid #a99a83}footer{gap:10px;display:grid}.intro button{text-align:center;padding:10px 6px;font-size:9px}}