.doc{max-width:760px;margin:0 auto;padding:24px 24px 80px}
.doc h1{font-size:clamp(30px,4vw,42px);letter-spacing:-.035em;line-height:1.08;margin:28px 0 8px}
.doc .meta{color:var(--faint);font-size:13px;margin:0 0 28px}
.doc h2{font-size:22px;margin:40px 0 10px;letter-spacing:-.02em}
.doc h3{font-size:16px;margin:24px 0 6px}
.doc p,.doc li{font-size:15px;color:#3a3a3f;line-height:1.65}
.doc ul,.doc ol{padding-left:22px}
.doc code{font:13px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;background:#f3f1ef;border-radius:5px;padding:2px 5px}
.doc pre{background:#151619;color:#eef0f2;padding:18px 20px;border-radius:12px;overflow:auto;font:13px/1.7 ui-monospace,SFMono-Regular,Menlo,monospace;margin:12px 0 20px}
.doc pre code{background:transparent;padding:0;color:inherit;font:inherit}
.doc table{width:100%;border-collapse:collapse;font-size:14px;margin:12px 0 20px}
.doc th,.doc td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.doc th{color:var(--muted);font-weight:600;font-size:12px}
.doc .callout{border-left:3px solid var(--red);background:var(--red-soft);padding:12px 16px;border-radius:0 10px 10px 0;margin:16px 0}
.doc .callout p{margin:0}
.doc .toc{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13px;margin:0 0 8px}
.doc .toc a{color:var(--muted)}.doc .toc a:hover{color:var(--ink)}
.doc hr{border:0;border-top:1px solid var(--line);margin:36px 0}
.doc .steps li{margin:0 0 6px}
.doc .ai-kit{display:flex;flex-wrap:wrap;align-items:center;gap:10px;border:1px solid var(--line);background:var(--soft);border-radius:12px;padding:14px 16px;margin:16px 0 10px}
.doc .ai-kit label{font-size:13px;font-weight:600;color:var(--muted)}
.doc .ai-kit select{min-height:40px;border:1px solid var(--line);border-radius:10px;padding:0 12px;font:inherit;font-size:14px;color:var(--ink);background:#fff}
.doc .ai-kit .btn{cursor:pointer;font-family:inherit}
.doc details{margin:0 0 10px}
.doc summary{cursor:pointer;font-size:14px;color:var(--muted)}.doc summary:hover{color:var(--ink)}
.doc pre.ai-preview{max-height:420px;font-size:12px;line-height:1.6;white-space:pre-wrap;word-break:break-word}
.doc .fine{font-size:13px;color:var(--faint);margin:0 0 8px}
.doc .toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,12px);background:var(--ink);color:#fff;padding:10px 18px;border-radius:999px;font-size:14px;max-width:min(92vw,520px);text-align:center;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:20}
.doc .toast.show{opacity:1;transform:translate(-50%,0)}
.doc .toast.error{background:var(--red-dark)}
@media(max-width:560px){.doc .ai-kit select,.doc .ai-kit .btn{width:100%}}