:root{color-scheme:light;--ink:#182935;--muted:#4d5f6b;--line:#c8d2d8;--accent:#164f65;--paper:#fafbfc;--soft:#edf3f5;}*{box-sizing:border-box}body{font-family:system-ui,"Noto Sans CJK SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);margin:0;line-height:1.8}main,header,footer{max-width:1120px;margin:auto;padding:1.5rem 2rem}header{border-bottom:2px solid var(--accent)}h1{font-size:2rem;line-height:1.4}h2{font-size:1.55rem;line-height:1.5}h3{font-size:1.25rem}h4{margin:0 0 .5rem}p{margin:1rem 0}a{color:var(--accent);text-underline-offset:.22em}nav{display:flex;gap:.7rem;flex-wrap:wrap}nav a{background:var(--soft);padding:.3rem .7rem;border-radius:4px}.lab{background:white;border:1px solid var(--line);border-radius:8px;padding:1.5rem;margin:2rem 0;scroll-margin-top:1rem}.tag{font-size:.83rem;font-weight:600;letter-spacing:.08em;color:var(--muted)}.controls{display:flex;flex-wrap:wrap;gap:1rem;margin:1.3rem 0;padding:1rem;background:var(--soft)}label{display:flex;flex-direction:column;font-size:.95rem;gap:.3rem}input,select,button{font:inherit;border:1px solid #8aa0ad;border-radius:4px;padding:.45rem .65rem;background:white;color:var(--ink);min-height:44px}input{max-width:15rem}button{cursor:pointer}button:hover{background:#e5eef2}:focus-visible{outline:3px solid #1d748d;outline-offset:3px}.error{color:#8a2430;font-weight:600}.error:empty{display:none}.result{font-weight:600;border-left:4px solid var(--accent);padding-left:1rem}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:.75rem;margin:1rem 0}.cards>div{border:1px solid var(--line);padding:1rem;background:var(--soft)}.cards p{font-size:1.25rem;margin:0;font-variant-numeric:tabular-nums}.table-scroll{overflow-x:auto;max-width:100%;margin:1rem 0}table{width:100%;border-collapse:collapse;font-size:.9rem;font-variant-numeric:tabular-nums;line-height:1.65}td,th{border-bottom:1px solid var(--line);padding:.5rem .65rem;vertical-align:top;text-align:right;white-space:normal;overflow-wrap:anywhere}th:first-child,td:first-child{text-align:left}thead th{background:var(--soft);text-align:left}tbody th{font-weight:500}tr:nth-child(even){background:#f7f9fa}details{border-left:2px solid var(--line);padding:.5rem 1rem;margin:1rem 0}summary{cursor:pointer;font-weight:600}code{background:var(--soft);padding:.1em .25em;overflow-wrap:anywhere}blockquote{border-left:3px solid var(--accent);padding-left:1em;margin-left:0}.reader{max-width:1000px}.reader td:nth-child(2),.reader th:nth-child(2){text-align:left}.reader .table-scroll{max-width:100%;} .reading-controls{display:flex;gap:.5rem;flex-wrap:wrap} [data-reading-branch-controls]{display:flex;gap:.5rem;flex-wrap:wrap;margin:1rem 0}[data-reading-branch-controls] button[aria-pressed=true]{background:var(--accent);color:white}.lab-link{padding:1rem;border:1px solid var(--line);background:var(--soft)}.small{color:var(--muted);font-size:.88rem}.footnotes{font-size:.9rem;border-top:1px solid var(--line);margin-top:3rem}.footnotes li{margin:.6rem 0} @media(max-width:600px){main,header,footer{padding:1rem}.lab{padding:1rem}h1{font-size:1.6rem}h2{font-size:1.3rem}.controls{padding:.7rem}td,th{padding:.4rem;min-width:65px} .table-scroll{overscroll-behavior-x:contain}}@media print{nav,.controls,button,.lab-link{display:none!important}body{background:white;color:black;font-size:10pt}main,header,footer{max-width:none;padding:.5rem}section[data-reading-branch]{display:block!important}details>*{display:block!important}details{break-inside:auto}table{font-size:8pt}.table-scroll{overflow:visible}a{color:black}tr{break-inside:avoid}.lab{break-before:page;border:0}.cards{display:flex;flex-wrap:wrap} h2,h3{break-after:avoid}}

.bridge-svg{display:block;width:100%;min-width:650px;height:auto;margin:10px 0 0}.bridge-svg text{font-family:system-ui,"Noto Sans CJK SC",sans-serif;fill:#203442}@media print{.bridge-svg{min-width:0}}

body,input,select,svg text{font-variant-numeric:lining-nums tabular-nums}
.embedded header,.embedded footer{display:none}.embedded main{margin:0;padding:0;max-width:none}
.embedded .lab{margin:0;padding:1rem;border:0;border-radius:0}.lab[hidden]{display:none!important}
.static-default table{font-size:.86rem}.static-default{margin-top:1.5rem}
@media print{.static-default>*{display:block!important}.static-default>summary{display:none}.lab[hidden]{display:none!important}}
