#tzhb-btn{position:fixed;right:16px;bottom:18px;z-index:900;width:56px;height:56px;border-radius:50%;border:0;cursor:pointer;color:#fff;font-size:1.4rem;background:linear-gradient(135deg,#0ab4d6,#7c5cf0);box-shadow:0 10px 28px rgba(60,40,160,.35);display:grid;place-items:center}
#tzhb-btn:focus-visible{outline:3px solid #fff;outline-offset:2px;box-shadow:0 0 0 5px #7c5cf0}
#tzhb{position:fixed;right:16px;bottom:84px;z-index:901;width:352px;max-width:calc(100vw - 24px);height:520px;max-height:calc(100vh - 110px);background:#fff;color:#14162b;border-radius:20px;box-shadow:0 24px 60px rgba(10,20,50,.32);display:flex;flex-direction:column;overflow:hidden;font:14px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
#tzhb[hidden]{display:none}
#tzhb *{box-sizing:border-box}
.hb-h{background:linear-gradient(135deg,#0ab4d6,#7c5cf0);color:#fff;padding:14px 16px;display:flex;align-items:center;gap:10px}
.hb-h b{font-size:.98rem;display:block}.hb-h span{font-size:.72rem;opacity:.9}
.hb-h button{margin-left:auto;background:rgba(255,255,255,.2);border:0;color:#fff;width:32px;height:32px;border-radius:50%;font-size:1.1rem;cursor:pointer}
.hb-m{flex:1;overflow-y:auto;padding:14px;background:#f4f6fb;display:flex;flex-direction:column;gap:10px}
.hb-b{max-width:86%;padding:10px 13px;border-radius:16px;font-size:.88rem;word-wrap:break-word;white-space:pre-wrap}
.hb-b.bot{background:#fff;border:1px solid #e3e7f1;border-bottom-left-radius:4px;align-self:flex-start}
.hb-b.me{background:#7c5cf0;color:#fff;border-bottom-right-radius:4px;align-self:flex-end}
.hb-b a{color:#0a7f99;font-weight:700}
.hb-q{display:flex;flex-wrap:wrap;gap:6px;align-self:flex-start}
.hb-q button,.hb-act button,.hb-act a{border:1px solid #cfd6ea;background:#fff;color:#14162b;border-radius:999px;padding:7px 12px;font-size:.78rem;font-weight:700;cursor:pointer;text-decoration:none;font-family:inherit}
.hb-q button:hover,.hb-act button:hover,.hb-act a:hover{border-color:#7c5cf0;color:#7c5cf0}
.hb-act{display:flex;flex-wrap:wrap;gap:6px;align-self:flex-start}
.hb-act .wa{background:#16a34a;border-color:#16a34a;color:#fff}.hb-act .wa:hover{color:#fff;opacity:.9}
.hb-f{display:flex;gap:8px;padding:10px;border-top:1px solid #e3e7f1;background:#fff}
.hb-f input{flex:1;min-width:0;height:42px;border:1px solid #cfd6ea;border-radius:12px;padding:0 12px;font:inherit;font-size:.9rem;background:#fff;color:#14162b}
.hb-f button{border:0;border-radius:12px;padding:0 14px;background:#7c5cf0;color:#fff;font-weight:800;cursor:pointer}
.hb-cb{background:#fff;border:1px solid #e3e7f1;border-radius:14px;padding:12px;align-self:stretch;display:flex;flex-direction:column;gap:8px}
.hb-cb input[type=text],.hb-cb input[type=tel]{height:40px;border:1px solid #cfd6ea;border-radius:10px;padding:0 10px;font:inherit;width:100%}
.hb-cb label{font-size:.72rem;color:#5b6b86;display:flex;gap:6px;align-items:flex-start}
.hb-cb .go{height:40px;border:0;border-radius:10px;background:linear-gradient(90deg,#0ab4d6,#7c5cf0);color:#fff;font-weight:800;cursor:pointer}
.hb-err{color:#c0262d;font-size:.75rem}.hb-hp{position:absolute;left:-9999px}
.hb-n{font-size:.68rem;color:#5b6b86;text-align:center;padding:0 10px 8px;background:#fff}
@media(max-width:700px){#tzhb-btn{bottom:78px}#tzhb{right:8px;left:8px;width:auto;max-width:none;bottom:144px;height:min(520px,calc(100vh - 170px))}}
@media(prefers-reduced-motion:no-preference){#tzhb{animation:hbin .18s ease-out}@keyframes hbin{from{opacity:0;transform:translateY(10px)}}}