:root{--green-dark:#0d3b26;--green:#1a8a4a;--green-hover:#157a40;--cream:#f1ede3;--paper:#fbfaf6;--ink:#1f2a24;--muted:#6b726d;--line:#e6e2d8;--font:"DM Sans","Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}*{box-sizing:border-box}body,html{margin:0;height:100%;background:transparent}body{font-family:var(--font);color:var(--ink);-webkit-font-smoothing:antialiased}.wrap{height:100%;padding:8px}.card{height:100%;flex-direction:column;overflow:hidden;background:#fff;border-radius:18px;box-shadow:0 6px 24px rgba(13,59,38,.12),0 1px 3px rgba(13,59,38,.08)}.card,.head{display:flex}.head{align-items:center;gap:12px;padding:16px 20px;background:var(--green-dark);color:#fff}.avatar{width:36px;height:36px;border-radius:50%;background:var(--green);display:grid;place-items:center;font-size:14px;flex:none}.avatar,.title{font-weight:700}.title{font-size:15px;line-height:1.2}.status{font-size:12px;color:#7fd6a2;display:flex;align-items:center;gap:5px}.status:before{content:"";width:6px;height:6px;border-radius:50%;background:#3fcf7c}.call{margin-left:auto;color:#fff;text-decoration:none;font-size:13px;font-weight:600;border:1px solid rgba(255,255,255,.35);border-radius:999px;padding:7px 12px;white-space:nowrap}.call:hover{background:rgba(255,255,255,.1)}.log{flex:1 1;overflow-y:auto;padding:18px 20px;display:flex;flex-direction:column;gap:12px;scroll-behavior:smooth}.msg{max-width:86%;padding:11px 15px;border-radius:14px;font-size:14px;line-height:1.55;overflow-wrap:anywhere}.msg p{margin:0 0 6px}.msg p:last-child{margin-bottom:0}.msg ul{margin:4px 0 6px;padding-left:18px}.msg li{margin:2px 0}.bot{align-self:flex-start;background:var(--cream);color:var(--ink);border-top-left-radius:6px}.bot a{color:var(--green-dark);font-weight:700}.user{align-self:flex-end;background:var(--green);color:#fff;font-weight:500;border-top-right-radius:6px}.typing{display:inline-flex;gap:4px;padding:4px 0}.typing span{width:6px;height:6px;border-radius:50%;background:var(--muted);opacity:.4;animation:blink 1.2s infinite}.typing span:nth-child(2){animation-delay:.2s}.typing span:nth-child(3){animation-delay:.4s}@keyframes blink{0%,80%,to{opacity:.25}40%{opacity:.9}}.chips{display:flex;flex-wrap:wrap;gap:8px;padding:0 20px 12px}.chip{font:inherit;font-size:13px;font-weight:600;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 12px;cursor:pointer}.chip:hover{border-color:var(--green);color:var(--green-dark)}.form{display:flex;gap:10px;padding:14px 20px;border-top:1px solid var(--line);background:#fff}.input{flex:1 1;min-width:0;font:inherit;font-size:15px;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:999px;padding:12px 18px;outline:none}.input:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(26,138,74,.15)}.send{flex:none;width:46px;height:46px;border-radius:50%;border:0;background:var(--green);color:#fff;display:grid;place-items:center;cursor:pointer}.send:hover{background:var(--green-hover)}.send:disabled{opacity:.5;cursor:default}.send svg{width:18px;height:18px}.note{margin:0;padding:10px 20px 14px;background:var(--paper);border-top:1px solid var(--line);color:var(--muted);font-size:11.5px;line-height:1.5;text-align:center}.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}@media (max-width:480px){.head{padding:12px 14px}.log{padding:14px}.form{padding:12px 14px}.call{padding:6px 12px;font-size:13px}.callnum{display:none}.title{white-space:nowrap}.msg{max-width:92%}}.demo{max-width:760px;margin:40px auto;padding:0 16px;font-family:var(--font)}.demo h1{font-size:22px}.demo .frame{height:600px;margin-top:16px}.demo pre{background:#f5f5f2;padding:12px;border-radius:8px;overflow-x:auto;font-size:13px}