:root{color-scheme:light;--ink:#15201d;--muted:#52615d;--line:#d7dfdc;--paper:#fbfcfb;--surface:#fff;--accent:#0c6b58;--accent-ink:#fff;--warning:#8a5a09;--soft:#eef5f2;--shadow:0 1px 2px #15201d0f}*{box-sizing:border-box}body{background:var(--paper);color:var(--ink);margin:0;font-family:Avenir Next,Segoe UI,sans-serif;line-height:1.5}a{color:inherit}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.site-header,.site-footer,main{width:min(1180px,100% - 32px);margin:0 auto}.site-header{justify-content:space-between;align-items:center;gap:24px;padding:22px 0;display:flex}.brand,.site-header nav{align-items:center;gap:14px;display:flex}.brand{font-weight:720;text-decoration:none}.brand-mark{background:var(--ink);width:36px;height:36px;color:var(--accent-ink);letter-spacing:0;border-radius:8px;place-items:center;font-size:13px;display:grid}.site-header nav a{min-height:44px;color:var(--muted);align-items:center;padding:8px 0;font-size:14px;text-decoration:none;display:inline-flex}.hero{grid-template-columns:minmax(0,1.45fr) minmax(280px,.55fr);align-items:end;gap:32px;padding:80px 0 42px;display:grid}.domain-line{color:var(--accent);margin:0 0 18px;font-size:14px;font-weight:700}h1,h2,h3{letter-spacing:0;line-height:1.04}h1{max-width:900px;margin:0;font-family:Georgia,Times New Roman,serif;font-size:72px;font-weight:500}h2{margin:0 0 14px;font-size:26px}h3{margin:0 0 8px;font-size:18px}.lede{max-width:760px;color:var(--muted);font-size:20px}.trust-strip{flex-wrap:wrap;gap:8px;margin-top:28px;display:flex}.trust-strip span{border:1px solid var(--line);background:var(--surface);color:var(--muted);border-radius:999px;padding:8px 12px;font-size:13px}.source-card,.tool-card{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:8px}.source-card{padding:22px}.source-card p,.tool-card 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p{color:var(--muted)}.workflow-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;display:grid}.workflow-panel{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:8px;padding:22px}.workflow-panel p,.workflow-panel ul{color:var(--muted)}.workflow-panel ul{margin:18px 0 0;padding-left:20px}.workflow-panel a{color:var(--ink);text-underline-offset:4px;font-weight:700}.upgrade-band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:24px;margin:8px 0 60px;padding:28px 0;display:flex}.upgrade-band h2{font-size:28px}.upgrade-band p{max-width:760px;color:var(--muted);margin:0}.text-button{border:1px solid var(--accent);min-height:44px;color:var(--accent);white-space:nowrap;border-radius:8px;justify-content:center;align-items:center;padding:10px 14px;font-weight:720;text-decoration:none;display:inline-flex}.text-button:hover{background:var(--soft)}@media (width<=820px){.workflow-grid{grid-template-columns:1fr}.upgrade-band{flex-direction:column;align-items:flex-start}}.tool-hero{grid-template-columns:minmax(0,900px);align-items:end;gap:32px;padding:56px 0 18px;display:grid}.tool-workbench{padding:10px 0 28px}.workbench-panel,.detail-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;display:grid}.workbench-panel,.detail-grid article{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:8px}.workbench-panel{padding:18px}.workbench-guide{border:1px solid var(--line);background:var(--soft);border-radius:8px;margin-bottom:18px;padding:14px}.workbench-guide h2{margin-bottom:8px;font-size:18px}.workbench-guide p,.detail-grid p,.detail-grid span,.field-help{color:var(--muted)}.workbench-guide p{margin:0 0 8px}.as-of-control{gap:8px;max-width:220px;margin-bottom:14px;font-size:14px;font-weight:700;display:grid}.as-of-control input,.tool-textarea{border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:8px}.as-of-control input{min-height:44px;font:inherit;padding:10px}.field-label{margin-bottom:8px;font-size:14px;font-weight:700;display:block}.tool-textarea{resize:vertical;width:100%;min-height:180px;padding:12px;font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:13px;line-height:1.45;box-shadow:inset 0 1px #15201d0a}.as-of-control input:hover,.tool-textarea:hover{border-color:#aebbb7}.tool-textarea[aria-invalid=true]{border-color:var(--warning)}.as-of-control input:focus-visible,.tool-textarea:focus-visible{border-color:var(--accent);outline:2px solid var(--accent);outline-offset:3px}.primary-button{background:var(--accent);color:var(--accent-ink);font:inherit;cursor:pointer;border:0;border-radius:8px;margin-top:12px;padding:10px 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