:root{color-scheme:dark}body{margin:0;background:#171516;color:#f6eeee;font-family:Arial,Microsoft YaHei,sans-serif}main{max-width:1080px;margin:auto;padding:34px}header{display:flex;justify-content:space-between;padding-bottom:38px}header b{font-size:22px;color:#f3b26a}.eyebrow{color:#f3b26a;font-weight:700;letter-spacing:.05em}h1{font-size:38px;margin:.25rem 0}h2{margin-top:40px}h3{margin:0}.brief{min-height:110px}textarea{box-sizing:border-box;display:block;width:100%;min-height:330px;margin:18px 0 14px;padding:16px;border-radius:10px;border:1px solid #55433a;background:#242021;color:#f6eeee;font:14px Consolas,monospace;line-height:1.5}.section-editor{min-height:410px;margin:12px 0}.buttons{display:flex;gap:10px;align-items:center;flex-wrap:wrap}button,select{border:0;border-radius:8px;background:#e79649;color:#241305;padding:11px 15px;font-weight:700;cursor:pointer}button:disabled{opacity:.55;cursor:wait}.secondary{background:transparent;border:1px solid #e79649;color:#f3b26a}pre{white-space:pre-wrap;margin-top:22px;padding:16px;background:#242021;border-radius:10px;color:#e8d9c9}section{display:grid;grid-gap:8px;gap:8px}article{display:flex;align-items:center;justify-content:space-between;gap:18px;border:1px solid #55433a;padding:12px;border-radius:8px}article span{font-size:14px}.steps{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:8px;gap:8px}.step{min-height:74px;text-align:left;background:#292426;color:#eaded3;border:1px solid #55433a}.step b,.step small{display:block}.step small{font-weight:400;opacity:.75;margin-top:5px}.step.active{background:#e79649;color:#241305;border-color:#e79649}.studio{margin-top:12px;padding:20px;border:1px solid #55433a;border-radius:12px;background:#1e1b1c}.studio p{color:#d5c5b8}.muted{font-size:13px}.error{color:#ffb4a8!important;font-weight:700}details{margin:24px 0;padding:14px;border:1px solid #55433a;border-radius:10px}summary{cursor:pointer;color:#f3b26a;font-weight:700}.simulation{margin-top:30px;padding:18px;border:1px solid #6a513f;border-radius:12px;background:#211e1c}.simulation h2{margin-top:0}.simulation article p{margin:.4rem 0}.simulation small{color:#d5c5b8}.pass{color:#94e6ad}.fail,.pass{font-weight:700}.fail{color:#ffb4a8}@media(max-width:720px){main{padding:22px}header{padding-bottom:24px}h1{font-size:30px}.steps{grid-template-columns:1fr 1fr}article{align-items:flex-start;flex-direction:column}.section-editor{min-height:330px}}