:root{--ink:#18354b;--teal:#146c73;--paper:#f5f5f1;--white:#fff;--muted:#586b77;--line:#cdd8dc;--accent:#a75b2c;--red:#9b3237}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI","Noto Sans CJK SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.7}
header{padding:24px clamp(18px,4vw,52px);background:var(--ink);color:white}
header p{color:#d9e6e9;max-width:78ch;margin-bottom:0}
h1{font-size:clamp(24px,3vw,35px);line-height:1.3;margin:0}h2{font-size:25px;line-height:1.4;margin:.4em 0}
h3{font-size:19px;margin:12px 0 8px}
main{max-width:1400px;margin:0 auto;padding:24px clamp(12px,3vw,38px)}
nav{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
a{color:var(--teal)}nav a,.button{padding:8px 12px;background:white;border:1px solid var(--line);border-radius:6px;text-decoration:none}
.lab{margin-bottom:32px;background:white;border:1px solid var(--line);border-radius:10px;padding:clamp(16px,2.5vw,30px);box-shadow:0 3px 14px #163b5010}
.lab:focus{outline:3px solid var(--teal)}[hidden]{display:none!important}
.kicker{color:var(--teal);font-weight:750;font-size:13px;letter-spacing:.09em}
.identity{padding:10px 14px;background:#f0f6f5;border-left:4px solid var(--teal);font-size:14px}
.question{font-size:18px;margin:12px 0 18px;max-width:90ch}
.layout{display:grid;grid-template-columns:minmax(230px,320px) minmax(0,1fr);gap:24px;align-items:start}
.controls{background:#f5f7f7;border-radius:8px;padding:16px}
.field{display:block;margin:0 0 12px;font-size:14px;font-weight:600}
.field input:not([type=checkbox]),.field select{display:block;width:100%;font:inherit;margin-top:4px;padding:8px;border:1px solid #8cabb2;border-radius:5px;background:white;color:var(--ink);font-variant-numeric:tabular-nums}
.field.check{display:flex;align-items:center;gap:8px;font-weight:400}
.field.check input{width:18px;height:18px;accent-color:var(--teal)}
button{cursor:pointer;padding:8px 14px;border:1px solid var(--teal);border-radius:5px;font:inherit;font-size:14px;color:var(--teal);background:white}
button:hover{background:#eaf4f2}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #b1782f;outline-offset:2px}
.small{font-size:13px;color:var(--muted)}.result{min-width:0}.status{padding:10px 12px;border-radius:5px;background:#edf5f2;margin:0 0 14px}
.status.warn{background:#fff1df;color:#713900}.error{border:2px solid var(--red);background:#fff4f4;color:var(--red);padding:14px}
.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:10px 0 18px}
.metric{padding:12px 14px;background:#f1f5f7;border-radius:6px;line-height:1.5}
.metric small{display:block;color:var(--muted);font-size:12px}.metric b{display:block;font-size:22px;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.table-wrap{overflow-x:auto;max-width:100%;margin:12px 0}
table{width:100%;border-collapse:collapse;font-size:14px;font-variant-numeric:tabular-nums}
th,td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:right;vertical-align:top}
th{color:white;background:var(--ink);font-weight:600}th:first-child,td:first-child{text-align:left}
td{white-space:nowrap}td:first-child{white-space:normal;min-width:90px}caption{text-align:left;font-weight:650;margin:4px 0}
.formula{background:#f2f4f4;padding:12px 14px;overflow-wrap:anywhere;font-family:Georgia,"Times New Roman",serif;font-size:17px;border-radius:5px}
.flow{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}.flow span{background:#edf4f5;border:1px solid var(--line);border-radius:6px;padding:9px 12px;flex:1;min-width:125px}.flow b{display:block}
.chart{border:1px solid var(--line);border-radius:7px;background:#fff;margin:16px 0;padding:10px;min-width:0}
.chart svg{display:block;width:100%;height:auto}
.chart figcaption{font-size:14px;line-height:1.6;font-weight:650;color:var(--ink);margin:0 0 10px;overflow-wrap:anywhere}
.chart-axis-label,.chart-unit{font-size:14px;line-height:1.6;color:var(--muted);margin:8px 0;overflow-wrap:anywhere}
.chart-x-label{text-align:center;margin-top:0}
.line-plot{width:100%;min-width:0}
.legend{display:flex;gap:8px 18px;flex-wrap:wrap;font-size:14px;line-height:1.6;margin:0 0 8px}
.legend span{max-width:100%;overflow-wrap:anywhere}
.legend span:before{content:"";display:inline-block;width:22px;margin-right:5px;border-top:3px var(--legend-style,solid) var(--legend);vertical-align:middle}
.bar-list{list-style:none;padding:0;margin:8px 0 0}
.bar-row{margin:0 0 16px;font-size:14px;line-height:1.6}
.bar-row:last-child{margin-bottom:0}
.bar-heading{display:flex;flex-wrap:wrap;gap:2px 12px;align-items:baseline;margin-bottom:5px;font-size:14px}
.bar-label{min-width:0;overflow-wrap:anywhere}
.bar-value{margin-left:auto;font-size:14px;font-weight:650;white-space:nowrap;font-variant-numeric:lining-nums tabular-nums}
.bar-track{position:relative;height:24px;background:#f1f5f7;border-radius:3px}
.bar-track:before{content:"";position:absolute;left:50%;top:0;bottom:0;border-left:1px solid #71858f;z-index:1}
.bar-fill{position:absolute;top:3px;height:18px}
.bar-fill.positive{background:#146c73}.bar-fill.negative{background:#a45d29}
.bar-direction{display:grid;grid-template-columns:1fr auto 1fr;margin:6px 0;font-size:14px;line-height:1.6;color:var(--muted)}
.bar-direction span:last-child{text-align:right}
.sources{border-top:1px solid var(--line);padding-top:10px;font-size:13px}
details{margin:18px 0 0;border-top:1px solid var(--line);padding-top:12px}summary{cursor:pointer;font-weight:700}
.timeline{border-left:3px solid var(--teal);margin:18px 8px;padding:0 0 0 18px}
.timeline p{position:relative}.timeline p:before{content:"";position:absolute;left:-25px;top:9px;width:11px;height:11px;border-radius:50%;background:var(--teal)}
code{font-size:.9em;overflow-wrap:anywhere}
footer{padding:20px;color:var(--muted);text-align:center;font-size:13px}
@media(max-width:720px){.layout{grid-template-columns:1fr;gap:18px}.controls{display:grid;grid-template-columns:1fr 1fr;gap:8px 14px}.controls .small,.controls .actions{grid-column:1/-1}.field{margin-bottom:8px}.lab{padding:15px}.metrics{grid-template-columns:1fr 1fr}.metric b{font-size:19px}th,td{padding:8px;font-size:13px}h2{font-size:22px}.identity{font-size:13px}.chart{padding:5px;margin:10px 0}.chart figcaption{padding:5px}}
@media(max-width:360px){.controls{grid-template-columns:1fr}.metrics{grid-template-columns:1fr}}
@media print{body{background:white;color:black}header{background:white;color:black;padding:12px}header p{color:black}nav,.controls,button,.interactive{display:none!important}main{padding:0}.lab{display:block!important;break-before:page;box-shadow:none;border:0;padding:0}details,details>*{display:block!important}.table-wrap{overflow:visible}th{background:#eee!important;color:black!important}td{white-space:normal}.identity{background:white}.chart{break-inside:avoid}footer{display:none}}

body,input,select,svg text{font-variant-numeric:lining-nums tabular-nums}.embedded>header,.embedded>footer,.embedded>main>nav{display:none}.embedded>main{padding:0}.embedded .lab{margin:0;box-shadow:none}