:root{color-scheme:light;--paper:#fdf6e3;--ink:#5a3d22;--green:#35673f;--line:#cdb894}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;overflow-wrap:anywhere}header,main,footer{max-width:1000px;margin:auto;padding:20px}header{border-bottom:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}nav{display:flex;flex-wrap:wrap;gap:10px 18px}a{color:var(--green);text-underline-offset:3px}a:hover{text-decoration-thickness:2px}a:focus-visible{outline:3px solid #9c4a08;outline-offset:4px}nav a{min-height:44px;display:inline-flex;align-items:center}[aria-current=page]{font-weight:700}h1{font-size:clamp(23px,4vw,34px);line-height:1.35}h2{font-size:21px}.intro{max-width:75ch}table{border-collapse:collapse;width:100%;margin:16px 0;font-variant-numeric:tabular-nums}th,td{padding:9px 12px;border:1px solid var(--line);text-align:left}th{width:38%;font-weight:600}td{background:#fffaf0}ul{padding-left:25px}li{margin:9px 0}small{font-size:13px;font-weight:400}.categories{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));list-style:none;padding:0}.categories li{padding:20px;border:1px solid var(--line);border-radius:12px;background:#fffaf0}.entity{max-width:180px;max-height:140px;object-fit:contain}.preserve{white-space:pre-line}.tool{margin-top:32px;border-top:1px solid var(--line);padding-top:20px}footer{font-size:13px;border-top:1px solid var(--line)}.item-list{list-style:none;padding:0}.item-list>li{border-bottom:1px solid var(--line);padding:15px 0}.skip{position:absolute;top:-100px;padding:10px;background:white}.skip:focus{top:0}@media(max-width:480px){header,main,footer{padding:16px}th,td{padding:8px;font-size:14px}}
/* Reading and worked examples for static tool guides. */
.breadcrumbs{font-size:13px;gap:4px 10px;margin:0 0 18px}.breadcrumbs a{min-height:32px}.breadcrumbs [aria-current]{font-weight:400}.byline{font-size:13px;color:#71543a}.quick-answer{max-width:76ch;background:#eff6e9;border:1px solid #86a17e;border-radius:14px;padding:18px 22px;margin:24px 0}.quick-answer>p:first-child{margin-top:0}.guide-action{margin:18px 0}.guide-action a{display:inline-block;min-height:44px;padding:10px 18px;border-radius:8px;background:var(--green);color:#fff;font-weight:650;text-decoration:none}.toc{display:block;padding:12px 20px;border-left:3px solid var(--line);margin:26px 0}.toc p{font-weight:650;margin:0}.toc ol{margin:6px 0;padding-left:24px}.toc a{min-height:32px}.formula{padding:16px 20px;border-radius:8px;background:#fff1d6;border-left:4px solid #9c4a08;font-weight:650;font-variant-numeric:tabular-nums}.table-wrap{max-width:100%;overflow-x:auto}.example-table{min-width:280px}.example-table th{width:auto}caption{text-align:left;font-weight:650;margin-bottom:8px}section[id]{scroll-margin-top:20px}h3{font-size:17px;margin-bottom:6px}h3+p{margin-top:6px}@media(max-width:480px){.quick-answer{padding:14px}.guide-action a{width:100%}.toc{padding:10px 14px}.formula{padding:12px}}