:root{--bg: #0d1117;--bg-soft: #161b22;--bg-card: #1c2230;--border: #2a3242;--text: #e6edf3;--text-soft: #9aa7b8;--accent: #a371f7;--accent-2: #6e40c9;--accent-soft: rgba(163, 113, 247, .14);--ok: #3fb950;--radius: 14px;--maxw: 1080px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--mono: "SF Mono", "JetBrains Mono", "Fira Code", ui-monospace, Menlo, monospace}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}.site-header{position:sticky;top:0;z-index:10;backdrop-filter:blur(10px);background:#0d1117bf;border-bottom:1px solid var(--border)}.site-header .container{display:flex;align-items:center;justify-content:space-between;height:62px}.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--text)}.brand .logo{font-size:22px}.nav{display:flex;gap:22px;align-items:center}.nav a{color:var(--text-soft);font-weight:500}.nav a:hover{color:var(--text);text-decoration:none}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:10px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:transform .08s ease,background .15s ease}.btn:hover{text-decoration:none;transform:translateY(-1px)}.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff}.btn-ghost{background:transparent;border-color:var(--border);color:var(--text)}.hero{padding:96px 0 72px;text-align:center}.hero h1{font-size:54px;line-height:1.05;margin:0 0 18px;letter-spacing:-1px}.hero h1 .grad{background:linear-gradient(135deg,var(--accent),#d2a8ff);-webkit-background-clip:text;background-clip:text;color:transparent}.hero p{font-size:20px;color:var(--text-soft);max-width:680px;margin:0 auto 32px}.hero .actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}.section{padding:64px 0;border-top:1px solid var(--border)}.section h2{font-size:32px;margin:0 0 8px;letter-spacing:-.5px}.section .lead{color:var(--text-soft);margin:0 0 36px;font-size:17px}.grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px}.card h3{margin:0 0 8px;font-size:18px}.card p{margin:0;color:var(--text-soft);font-size:15px}.card .ico{font-size:26px;margin-bottom:12px;display:block}.pill-row{display:flex;flex-wrap:wrap;gap:10px}.pill{background:var(--accent-soft);color:#d2a8ff;border:1px solid var(--border);padding:6px 14px;border-radius:999px;font-size:14px;font-weight:600}.about-card{display:flex;gap:24px;align-items:center;flex-wrap:wrap}.avatar{width:76px;height:76px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-2));display:grid;place-items:center;font-size:30px;font-weight:700;color:#fff;flex-shrink:0}.about-card .meta{font-size:15px;color:var(--text-soft)}.about-card .meta strong{color:var(--text)}.site-footer{border-top:1px solid var(--border);padding:32px 0;color:var(--text-soft);font-size:14px;text-align:center}.builder{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}.builder .form-col{display:flex;flex-direction:column;gap:20px}.field{display:flex;flex-direction:column;gap:4px}.field label{font-weight:600;font-size:14px}.field .hint{font-size:12px;color:var(--text-soft)}.fieldset .field+.field{margin-top:18px}#llm-groups,#conv-body{margin-top:18px}.field select,.field input,.field textarea{background:var(--bg-soft);border:1px solid var(--border);color:var(--text);border-radius:9px;padding:10px 12px;font-size:14px;font-family:var(--font)}.field textarea{font-family:var(--mono);min-height:72px;resize:vertical}.fieldset{border:1px solid var(--border);border-radius:var(--radius);padding:20px;background:var(--bg-card)}.fieldset legend{padding:0 8px;font-weight:700;color:var(--accent)}.checkbox-row{display:flex;align-items:center;gap:10px}.output-col{position:sticky;top:84px}.output-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}pre.yaml{background:#0b0e14;border:1px solid var(--border);border-radius:var(--radius);padding:20px;overflow:auto;font-family:var(--mono);font-size:13px;line-height:1.55;max-height:70vh;margin:0;white-space:pre}.note{font-size:13px;color:var(--text-soft);margin-top:12px}.hidden{display:none!important}@media (max-width: 860px){.builder{grid-template-columns:1fr}.output-col{position:static}.hero h1{font-size:40px}.nav{display:none}}