.tbc,.tbc *{box-sizing:border-box}.tbc{--tbc-silver:linear-gradient(145deg,#fbfbfc 0%,#e3e5e8 30%,#b9bdc3 62%,#e9ebee 100%);--tbc-ink:#23272e;--tbc-line:#c9ccd1;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;font-size:15px;line-height:1.45;color:var(--tbc-ink)}.tbc-launcher{position:fixed;right:21px;bottom:215px;z-index:99998;width:62px;height:62px;border-radius:50%;border:1px solid #9aa0a7;background:var(--tbc-silver);box-shadow:0 6px 18px rgba(0,0,0,.28),inset 0 1px 0 rgba(255,255,255,.9),inset 0 -2px 4px rgba(0,0,0,.12);cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0;transition:transform .18s ease,box-shadow .18s ease}.tbc-launcher:hover{transform:scale(1.06);box-shadow:0 8px 22px rgba(0,0,0,.32),inset 0 1px 0 rgba(255,255,255,.9),inset 0 -2px 4px rgba(0,0,0,.12)}.tbc-launcher:focus-visible{outline:3px solid #5b8def;outline-offset:3px}.tbc-launcher svg{width:32px;height:32px;fill:var(--tbc-ink)}.tbc-launcher .tbc-ic-close{display:none;width:24px;height:24px}.tbc.is-open .tbc-launcher .tbc-ic-chat{display:none}.tbc.is-open .tbc-launcher .tbc-ic-close{display:block}.tbc-launcher{transition:transform .18s ease,box-shadow .18s ease,opacity .18s ease}.tbc-launcher:after{content:"";position:absolute;inset:-1px;border-radius:50%;box-shadow:0 0 0 0 rgba(160,166,174,.55);animation:tbc-pulse 2.6s ease-out 1.5s 3;pointer-events:none}@keyframes tbc-pulse{0%{box-shadow:0 0 0 0 rgba(160,166,174,.55)}100%{box-shadow:0 0 0 16px rgba(160,166,174,0)}}.tbc-panel{position:fixed;right:95px;bottom:25px;z-index:99999;width:370px;max-width:calc(100vw - 24px);height:540px;max-height:calc(100vh - 50px);background:#f4f5f7;border:1px solid var(--tbc-line);border-radius:18px;box-shadow:0 18px 50px rgba(0,0,0,.25);display:flex;flex-direction:column;overflow:hidden;opacity:0;transform:translateY(12px) scale(.98);pointer-events:none;transition:opacity .2s ease,transform .2s ease}.tbc.is-open .tbc-panel{opacity:1;transform:none;pointer-events:auto}.tbc-head{background:var(--tbc-silver);border-bottom:1px solid var(--tbc-line);padding:12px 14px;display:flex;align-items:center;gap:10px}.tbc-avatar{width:38px;height:38px;border-radius:50%;background:var(--tbc-ink);display:flex;align-items:center;justify-content:center;flex:0 0 auto}.tbc-avatar svg{width:22px;height:22px;fill:#e9ebee}.tbc-head-txt{flex:1;min-width:0}.tbc-title{font-weight:700;font-size:15px;margin:0;color:var(--tbc-ink)}.tbc-sub{font-size:12px;color:#4a5059;display:flex;align-items:center;gap:5px}.tbc-sub:before{content:"";width:8px;height:8px;border-radius:50%;background:#2fb344}.tbc-x{background:0 0;border:0;width:34px;height:34px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0}.tbc-x:hover{background:rgba(0,0,0,.07)}.tbc-x svg{width:18px;height:18px;fill:var(--tbc-ink)}.tbc-body{flex:1;overflow-y:auto;padding:14px 12px 6px;display:flex;flex-direction:column;gap:8px;scroll-behavior:smooth}.tbc-msg{max-width:86%;padding:9px 12px;border-radius:14px;word-wrap:break-word;overflow-wrap:anywhere;white-space:normal}.tbc-msg a{color:#1f5fbf;text-decoration:underline}.tbc-msg ul{margin:4px 0;padding-left:18px}.tbc-msg li{margin:2px 0}.tbc-bot{align-self:flex-start;background:#fff;border:1px solid #e2e4e8;border-top-left-radius:4px}.tbc-user{align-self:flex-end;background:linear-gradient(145deg,#dfe2e6,#c4c8ce);border:1px solid #b4b9bf;border-top-right-radius:4px}.tbc-preview{align-self:stretch;max-width:none;background:#fff8e1;border:1px solid #f0d58a;font-size:13px}.tbc-typing{display:inline-flex;gap:4px;align-items:center}.tbc-typing span{width:7px;height:7px;border-radius:50%;background:#9aa0a7;animation:tbc-dot 1.2s infinite ease-in-out}.tbc-typing span:nth-child(2){animation-delay:.15s}.tbc-typing span:nth-child(3){animation-delay:.3s}@keyframes tbc-dot{0%,80%,100%{opacity:.3;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}.tbc-chips{display:flex;flex-wrap:wrap;gap:6px;padding:2px 0 4px}.tbc-chip{background:#fff;border:1px solid #b9bdc3;color:var(--tbc-ink);border-radius:999px;padding:6px 11px;font-size:13px;cursor:pointer;font-family:inherit}.tbc-chip:hover{background:#eceef1}.tbc-form{display:flex;gap:8px;padding:10px 12px;border-top:1px solid #e0e2e6;background:#fff}.tbc-input{flex:1;border:1px solid #c9ccd1;border-radius:22px;padding:10px 14px;font:inherit;font-size:15px;resize:none;height:42px;max-height:110px;line-height:1.35;color:var(--tbc-ink);background:#fff}.tbc-input:focus{outline:none;border-color:#8d939a;box-shadow:0 0 0 3px rgba(141,147,154,.2)}.tbc-send{width:42px;height:42px;border-radius:50%;border:1px solid #9aa0a7;background:var(--tbc-silver);cursor:pointer;display:flex;align-items:center;justify-content:center;flex:0 0 auto;padding:0}.tbc-send:disabled{opacity:.5;cursor:default}.tbc-send svg{width:20px;height:20px;fill:var(--tbc-ink)}.tbc-hp{position:absolute !important;left:-9999px !important;width:1px;height:1px;opacity:0}.tbc-foot{background:#fff;padding:0 12px 10px;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:#5d636b}.tbc-foot a.tbc-link{display:inline-flex;align-items:center;gap:5px;text-decoration:none;color:var(--tbc-ink);border:1px solid #d3d6da;border-radius:999px;padding:4px 10px;font-weight:600}.tbc-foot a.tbc-link:hover{background:#f0f1f3}.tbc-foot a.tbc-wa svg{fill:#25a244}.tbc-foot svg{width:14px;height:14px;fill:var(--tbc-ink)}.tbc-note{flex-basis:100%;font-size:11px;color:#7a8088}@media (max-width:480px){.tbc-launcher{right:23px;bottom:215px;width:58px;height:58px}.tbc-panel{left:0;right:0;bottom:0;width:100%;max-width:100%;height:100%;max-height:100%;border-radius:0;border:0}.tbc.is-open .tbc-launcher{display:none}}@media (prefers-reduced-motion:reduce){.tbc-launcher,.tbc-panel{transition:none}.tbc-launcher:after,.tbc-typing span{animation:none}}@media print{.tbc{display:none !important}}