/* 楼房置典 · AI 助手样式（浮标 + 独立页通用） */
.aia-fab{position:fixed;right:18px;bottom:86px;z-index:900;display:flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,var(--gold),#a8802f);color:#fff;border:none;border-radius:26px;
  padding:11px 18px;font-size:14.5px;font-weight:600;cursor:pointer;box-shadow:0 6px 20px rgba(0,0,0,.28)}
.aia-fab:hover{transform:translateY(-2px)}
.aia-fab .dot{width:8px;height:8px;border-radius:50%;background:#fff;opacity:.9;animation:aiaPulse 1.8s infinite}
@keyframes aiaPulse{0%,100%{opacity:.9;transform:scale(1)}50%{opacity:.35;transform:scale(.75)}}

.aia-panel{position:fixed;right:16px;bottom:16px;z-index:1000;width:390px;max-width:calc(100vw - 32px);
  height:600px;max-height:calc(100vh - 32px);background:#fff;border-radius:14px;overflow:hidden;
  box-shadow:0 18px 50px rgba(0,0,0,.32);display:none;flex-direction:column}
.aia-panel.on{display:flex}
.aia-hd{background:linear-gradient(135deg,var(--ink),var(--ink-2));color:#fff;padding:14px 16px;display:flex;align-items:center;gap:10px}
.aia-hd .lg{width:30px;height:30px;border-radius:50%;background:var(--gold);display:flex;align-items:center;justify-content:center;font-size:15px;flex:0 0 30px}
.aia-hd .tt{flex:1}
.aia-hd .tt b{display:block;font-size:15px;color:var(--gold-2)}
.aia-hd .tt span{font-size:11.5px;color:#b9b4a8}
.aia-hd .x{background:none;border:none;color:#fff;font-size:20px;cursor:pointer;line-height:1;padding:0 4px}

.aia-tabs{display:flex;border-bottom:1px solid var(--line);background:var(--cream)}
.aia-tabs button{flex:1;background:none;border:none;padding:10px 4px;font-size:13px;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent}
.aia-tabs button.on{color:var(--ink);font-weight:600;border-bottom-color:var(--gold);background:#fff}

.aia-bd{flex:1;overflow-y:auto;padding:14px;background:#fbfaf7;-webkit-overflow-scrolling:touch}
.aia-msg{margin-bottom:12px;display:flex}
.aia-msg.me{justify-content:flex-end}
.aia-msg .b{max-width:82%;padding:10px 13px;border-radius:12px;font-size:14px;line-height:1.7;word-break:break-word}
.aia-msg.ai .b{background:#fff;border:1px solid var(--line);color:#22231f}
.aia-msg.me .b{background:var(--ink);color:#fff}
.aia-msg .b a{color:var(--gold);text-decoration:underline}
.aia-msg.ai .b a{color:#8a6212}
.aia-msg .b b{color:inherit}
.aia-typing{font-size:13px;color:var(--muted);padding:4px 6px}

.aia-cards{margin:8px 0 0}
.aia-card{display:block;background:#fff;border:1px solid var(--line);border-radius:10px;padding:11px 12px;margin-bottom:8px;text-decoration:none;color:inherit}
.aia-card:hover{border-color:var(--gold)}
.aia-card .t{font-size:14px;font-weight:600;color:var(--ink)}
.aia-card .p{font-size:13.5px;color:var(--gold);margin-top:3px}
.aia-card .m{font-size:12px;color:var(--muted);margin-top:3px}
.aia-card .tag{display:inline-block;font-size:11px;background:linear-gradient(135deg,var(--gold),#a8802f);color:#fff;padding:2px 7px;border-radius:4px;margin-left:6px}
.aia-card .tag.peer{background:#eef1f5;color:#4a5568;border:1px solid #d5dde7}
.aia-card .tag.lfs{background:#f3f5f8;color:#5a6472;border:1px solid #dde3ea;font-variant-numeric:tabular-nums}
.aia-card .tag.lfs.good{background:linear-gradient(135deg,#1f7a4d,#2f9c66);color:#fff;border-color:transparent}

.aia-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.aia-chips button{background:#fff;border:1px solid var(--line);border-radius:16px;padding:6px 12px;font-size:12.5px;color:var(--ink);cursor:pointer}
.aia-chips button:hover{border-color:var(--gold);color:#8a6212}

.aia-ft{border-top:1px solid var(--line);padding:10px;display:flex;gap:8px;background:#fff}
.aia-ft input{flex:1;border:1px solid var(--line);border-radius:8px;padding:10px 12px;font-size:14px;outline:none;font-family:inherit}
.aia-ft input:focus{border-color:var(--gold)}
.aia-ft button{background:var(--ink);color:var(--gold-2);border:none;border-radius:8px;padding:0 16px;font-size:14px;cursor:pointer;flex:0 0 auto}

.aia-form{padding:14px}
.aia-form label{display:block;font-size:13px;color:var(--muted);margin:10px 0 5px}
.aia-form input,.aia-form select,.aia-form textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:9px 11px;font-size:14px;font-family:inherit;box-sizing:border-box}
.aia-form button{width:100%;margin-top:14px;background:var(--ink);color:var(--gold-2);border:none;border-radius:8px;padding:11px;font-size:14.5px;cursor:pointer}

/* 独立页 */
.aia-page{max-width:900px;margin:0 auto}
.aia-hero{background:linear-gradient(135deg,var(--ink),var(--ink-2));color:#fff;border-radius:var(--radius);padding:26px 24px;margin-bottom:20px}
.aia-hero h1{margin:0 0 6px;font-size:24px;color:var(--gold-2)}
.aia-hero p{margin:0;color:#c9c4b8;font-size:14px}
.aia-hero .warn{margin-top:12px;font-size:12.5px;color:#e8cf7a;background:rgba(201,162,39,.12);border-radius:8px;padding:9px 12px}

.aia-demo{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.aia-demo button{background:rgba(255,255,255,.08);border:1px solid rgba(232,207,122,.35);color:var(--gold-2);border-radius:16px;padding:7px 14px;font-size:13px;cursor:pointer}
.aia-demo button:hover{background:rgba(232,207,122,.18)}

.aia-standalone{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;height:620px;display:flex;flex-direction:column}

@media(max-width:760px){
  .aia-fab{right:12px;bottom:78px;padding:10px 15px;font-size:13.5px}
  .aia-panel{right:0;left:0;bottom:0;width:100%;max-width:100%;height:100%;max-height:100%;border-radius:0}
}