:root{--bg:#f4f7f2;--ink:#17351f;--green:#246b3a;--card:#fff;--line:#d9e3d8}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif;background:var(--bg);color:var(--ink)}.hero,.wrap{max-width:1050px;margin:auto;padding:48px 22px}.hero{min-height:70vh;display:grid;align-items:center}.hero h1,.tree-head h1{font-size:clamp(2.3rem,7vw,5.5rem);line-height:.98;margin:.2em 0}.hero p,.tree-head p{font-size:1.15rem;max-width:720px;line-height:1.65}.badge{display:inline-block;border:1px solid var(--line);background:#fff;padding:7px 12px;border-radius:999px;font-size:.85rem}.btn{display:inline-flex;min-height:44px;align-items:center;justify-content:center;border:0;border-radius:12px;padding:12px 18px;background:var(--green);color:white;text-decoration:none;font-weight:700;cursor:pointer}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:28px}.grid article,.chat{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px}.chat{margin-top:16px}.hidden{display:none}#form{display:flex;gap:8px;margin-top:12px}#question{flex:1;min-width:0;font-size:16px;padding:12px;border:1px solid var(--line);border-radius:10px}#messages p{padding:10px 12px;border-radius:10px;background:#eef4ed}.muted{opacity:.7}@media(max-width:520px){#form{flex-direction:column}.hero,.wrap{padding:28px 16px}}
table{width:100%;border-collapse:collapse;margin-top:1rem}th,td{padding:.7rem;border-bottom:1px solid #dfe7df;text-align:left}form{display:grid;gap:.7rem;margin:1rem 0}input,select,textarea,button{padding:.8rem;border:1px solid #cbd8cd;border-radius:10px;font:inherit}button{cursor:pointer}nav a{display:inline-block;margin:.3rem}