:root{color-scheme:light;--ink:#182d39;--muted:#63727c;--line:#dde5e8;--paper:#fff;--accent:#176b59;--radius:18px;--space:24px;font:15px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#f3f6f5}*{box-sizing:border-box}body{margin:0}header{display:flex;align-items:center;justify-content:space-between;padding:22px max(24px,calc((100vw - 1240px)/2));border-bottom:1px solid var(--line);background:var(--paper);gap:16px}.brand{display:flex;align-items:center;gap:12px;font-weight:750;font-size:19px}.mark{display:grid;place-items:center;width:34px;height:34px;background:var(--accent);color:white;border-radius:10px;font-size:21px}.edition{color:var(--muted);font-size:12px;font-weight:400;margin-left:14px}.tag{font-size:12px;color:var(--accent)}main{max-width:1288px;padding:40px 24px 20px;margin:auto}.intro{padding:6px 0 30px}.eyebrow{font-size:11px;letter-spacing:1.8px;color:var(--accent);font-weight:700;margin:0}h1{font-size:clamp(26px,3vw,38px);letter-spacing:-1px;line-height:1.4;margin:12px 0}h2{font-size:20px;margin:4px 0 0}.intro>p:last-child{color:var(--muted);margin:10px 0}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:var(--space);align-items:start}.panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:var(--space);min-width:0}.panel-head{display:flex;justify-content:space-between;align-items:center;gap:16px}.pill{font-size:12px;color:var(--accent);background:#eaf4ee;padding:5px 11px;border-radius:30px;white-space:nowrap}.toolbar{display:flex;gap:6px;margin:22px 0;background:#f1f4f3;width:fit-content;padding:4px;border-radius:9px}button,input,select{font:inherit}button{cursor:pointer;border:0;border-radius:7px;font-size:13px;font-weight:600;padding:9px 14px;color:var(--ink);background:transparent}button:hover{background:#e8efed}button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #539d87;outline-offset:3px}.toolbar [aria-pressed=true]{background:white;box-shadow:0 1px 4px #17322814;color:var(--accent)}.stage{border:1px solid var(--line);border-radius:12px;padding:24px;background:#fafbfb}.page-context{display:flex;justify-content:space-between;font-size:10px;letter-spacing:1.3px;color:#7b898f;padding-bottom:20px}.article-lines{display:grid;gap:8px;margin-top:24px}.article-lines i{height:7px;width:94%;background:#e9eeed;border-radius:4px}.article-lines i:nth-child(2){width:100%}.article-lines i:last-child{width:67%}.preview-footer{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap;margin-top:12px;font-size:12px;color:var(--muted)}.text-button{padding:8px;font-size:12px;color:var(--accent)}.note,.description{font-size:12px;color:var(--muted);line-height:1.8}.note{margin:14px 0 0}.description{margin:16px 0}form{display:grid;gap:7px}label{font-size:12px;font-weight:650;margin-top:8px}input,select{width:100%;min-width:0;border:1px solid #ccd7da;background:#fff;border-radius:7px;padding:10px 11px;font-size:13px;color:var(--ink)}input::placeholder{color:#8b969d}.primary{display:flex;justify-content:space-between;background:var(--accent);color:white;margin-top:16px;padding:12px 14px}.primary:hover{background:#125645}.secondary{border:1px solid var(--line);white-space:nowrap}.code-panel{margin-top:24px}pre{padding:20px;border-radius:10px;background:#142b33;color:#d8eee5;overflow:auto;font-size:12px;line-height:1.9;margin:16px 0 0}footer{font-size:11px;color:var(--muted);padding:22px 0}#empty-hint{font-size:13px;color:var(--muted);padding:24px 0;text-align:center}@media(max-width:900px){.workspace{grid-template-columns:1fr}.config-panel form{grid-template-columns:1fr}header{padding:18px 24px}.edition{display:none}}@media(max-width:480px){main{padding:24px 14px 12px}.panel{padding:18px}.stage{padding:14px}.tag{font-size:10px}.brand{font-size:17px}header{padding:16px}.panel-head{gap:8px}.intro{padding-bottom:20px}h1{letter-spacing:0}pre{padding:14px}.preview-footer{align-items:start;flex-direction:column}}

.intro h1 span{display:inline-block;white-space:nowrap}