:root{color-scheme:light;--ink:#253f53;--muted:#71818e;--line:#dce5e9;--accent:#456c86;--soft:#f2f6f8;--purple:#825d77;--red:#ac4340}*{box-sizing:border-box}body{margin:0;background:#fff;color:var(--ink);font:14px/1.55 "Microsoft YaHei","PingFang SC",system-ui,sans-serif}main{max-width:1400px;margin:auto;padding:20px 24px 16px}header{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:13px}.eyebrow{font-size:11px;letter-spacing:.12em;color:var(--muted);margin:0 0 3px}h1{font-size:24px;font-weight:600;letter-spacing:.03em;margin:0}#subtitle{font-size:13px;color:var(--muted);margin:3px 0 0}.site-facts{font-size:12px;color:var(--muted);line-height:1.9;margin:0;white-space:nowrap}.site-facts b{color:var(--ink);font-weight:500}button,select{font:inherit}button{cursor:pointer;touch-action:manipulation}button:focus-visible,select:focus-visible,input:focus-visible{outline:2px solid var(--purple);outline-offset:2px}.types{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:6px;overflow:hidden;max-width:580px}.types button{background:#fff;color:var(--ink);border:0;border-right:1px solid var(--line);padding:8px 18px;font-size:14px}.types button:last-child{border-right:0}.types button[aria-pressed=true]{background:var(--ink);color:#fff}.views-row{display:flex;justify-content:space-between;gap:12px;align-items:center;margin:12px 0 8px}.views{display:flex;gap:5px}.views button{border:0;border-radius:4px;padding:6px 12px;background:#fff;color:var(--muted);font-size:13px}.views button[aria-pressed=true]{background:var(--soft);color:var(--ink);font-weight:600}#projection{font-size:11px;color:var(--muted)}.parameter{display:flex;gap:22px;align-items:center;background:#f8fafb;border-radius:5px;padding:9px 13px;margin-bottom:8px;min-height:66px}.parameter[hidden],*[hidden]{display:none!important}.parameter>label{width:290px;flex-shrink:0;font-size:12px}.parameter label output{float:right;color:var(--purple);font-variant-numeric:tabular-nums}.parameter input[type=range]{display:block;width:100%;margin:6px 0 0;height:17px;accent-color:var(--purple)}.parameter p{margin:0;font-size:12px;color:var(--muted)}.parameter .warning{color:var(--red);font-weight:600}.section-controls .select-label{width:220px}.select-label select{display:block;margin-top:5px;padding:3px 8px;border:1px solid var(--line);border-radius:4px;width:100%;background:#fff;color:var(--ink);font-size:12px}.stage{display:grid;grid-template-columns:1fr;border:1px solid #edf1f3;border-radius:6px;overflow:hidden}.stage.section{grid-template-columns:minmax(0,1.3fr) minmax(290px,1fr)}.canvas-wrap{position:relative;min-width:0;background:#fff}#canvas{width:100%;height:420px;overflow:hidden}#canvas canvas{width:100%;height:100%;display:block;touch-action:none}.view-badge{position:absolute;top:12px;left:14px;max-width:calc(100% - 105px);font-size:11px;color:var(--muted);pointer-events:none;background:#ffffffdd;padding:2px 5px}#reset{position:absolute;right:10px;top:10px;border:1px solid var(--line);border-radius:4px;background:#fffffff2;font-size:11px;color:var(--muted);padding:4px 8px}.section-panel{border-left:1px solid var(--line);padding:12px 14px;min-width:0}.section-panel h2{font-size:14px;margin:0;font-weight:600;color:var(--purple)}.section-direction{font-size:10px;margin:3px 0;color:var(--muted)}#section-svg{width:100%;height:295px;display:block}#section-summary{font-size:11px;color:var(--muted);margin:0}.caption{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-top:9px}.caption p{font-size:12px;margin:0}.caption .flow{font-size:11px;color:var(--muted);text-align:right;max-width:52%}.scope{font-size:10px;color:var(--muted);margin:7px 0}.scope.tee{padding:7px 10px;border-left:3px solid #aa7549;background:#fbf7ef;color:#8d603c;font-size:12px}details{font-size:11px;border-top:1px solid var(--line);padding-top:6px;color:var(--muted)}summary{cursor:pointer;width:fit-content}details p{margin:8px 0}.fallback{padding:120px 30px;color:var(--red);text-align:center}.legend-dot{display:inline-block;width:7px;height:7px;border-radius:2px;margin-right:3px}.embed main{padding:12px 14px 10px}.embed .eyebrow{display:none}.embed h1{font-size:20px}.embed #canvas{height:400px}@media(max-width:680px){main,.embed main{padding:12px 10px}header{gap:8px;margin-bottom:10px}h1,.embed h1{font-size:20px}.site-facts{font-size:10px;line-height:1.7}#subtitle{font-size:11px;max-width:230px}.types{max-width:none}.types button{padding:7px 3px;font-size:13px}.views-row{margin-top:9px;align-items:flex-start}#projection{display:none}.views{width:100%;justify-content:space-between;gap:1px}.views button{padding:6px 9px;font-size:12px}.parameter{padding:8px 10px;gap:9px;flex-direction:column;align-items:stretch;min-height:91px}.parameter>label{width:100%}.section-controls{flex-direction:row;align-items:center}.section-controls>label:first-child{width:auto;flex:1}.section-controls .select-label{width:142px}.section-controls select{font-size:10px}#canvas,.embed #canvas{height:430px}.stage.section{grid-template-columns:1fr}.stage.section #canvas,.embed .stage.section #canvas{height:235px}.section-panel{border-left:0;border-top:1px solid var(--line);padding:9px 12px}#section-svg{height:248px}.section-panel h2{font-size:13px}.caption{display:block}.caption .flow{max-width:none;text-align:left;margin-top:4px}.caption p{font-size:11px}.scope{font-size:10px}.view-badge{font-size:10px}.embed details{font-size:10px}}
@media(max-width:680px){.section-controls{min-height:66px}.stage.section #canvas,.embed .stage.section #canvas{height:180px}#section-svg{height:200px}}
.scheme-controls{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:10px;max-width:970px}.scheme-controls label{font-size:11px;color:var(--muted)}.scheme-controls select{display:block;width:100%;padding:5px 7px;border:1px solid var(--line);border-radius:4px;background:#fff;color:var(--ink);font-size:12px;margin-top:3px}.scheme-summary{font-size:12px;margin:8px 0 3px;color:var(--ink)}.scheme-check{font-size:11px;margin:0;color:#547664}.scheme-check.warning{color:var(--red);font-weight:600}.scheme-notice{font-size:11px;color:#8d603c;background:#fbf7ef;padding:5px 8px;margin:4px 0}@media(max-width:680px){.scheme-controls{grid-template-columns:1fr 1fr;gap:6px}.scheme-controls label:last-child{grid-column:1/-1}.scheme-controls select{font-size:11px}.scheme-summary,.scheme-check{font-size:10px}.embed #canvas,#canvas{height:360px}}