.bvcb-launcher{position:fixed;right:16px;bottom:calc(16px + env(safe-area-inset-bottom));z-index:99990;background:#2271b1;color:#fff;border:0;border-radius:999px;padding:12px 20px;font-size:15px;font-weight:600;line-height:1.4;box-shadow:0 4px 14px rgba(0,0,0,.25);cursor:pointer}.bvcb-launcher:before{content:"";display:inline-block;width:18px;height:18px;margin-right:8px;vertical-align:-4px;background:currentColor;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M4 4h16a2 2 0 0 1 2 2v10a2 2 0 0 1-2 2H9l-5 4v-4a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2z'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M4 4h16a2 2 0 0 1 2 2v10a2 2 0 0 1-2 2H9l-5 4v-4a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2z'/%3E%3C/svg%3E") center/contain no-repeat}.bvcb-launcher:hover{background:#135e96}.bvcb-launcher[hidden]{display:none}.bvcb-panel{display:flex;flex-direction:column;background:#fff;border:1px solid #dcdcde;border-radius:12px;overflow:hidden;font-size:15px;line-height:1.6;color:#1d2327;box-sizing:border-box}.bvcb-panel[hidden]{display:none}.bvcb-panel *{box-sizing:border-box}.bvcb-floating-panel{position:fixed;right:16px;bottom:16px;z-index:99991;width:380px;max-width:calc(100vw - 32px);height:600px;max-height:calc(100vh - 32px);max-height:calc(100dvh - 32px);box-shadow:0 8px 30px rgba(0,0,0,.25)}.bvcb-inline .bvcb-panel{height:560px;max-width:640px}.bvcb-head{display:flex;align-items:center;gap:6px;background:#2271b1;color:#fff;padding:8px 8px 8px 14px;flex:none}.bvcb-title{flex:1;min-width:0;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bvcb-head button{background:0 0;color:#fff;border:1px solid rgba(255,255,255,.55);border-radius:6px;padding:4px 10px;font-size:13px;cursor:pointer;line-height:1.5;min-height:36px;white-space:nowrap}.bvcb-head .bvcb-close{border:0;font-size:26px;padding:0;width:44px;height:44px;line-height:1}.bvcb-log{position:relative;flex:1;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;padding:12px;background:#f6f7f7}.bvcb-note{font-size:11px;color:#646970;line-height:1.5;margin:0 4px 12px;text-align:center}.bvcb-msg{max-width:88%;padding:9px 13px;border-radius:14px;margin:0 0 10px;word-wrap:break-word;overflow-wrap:anywhere}.bvcb-bot{background:#fff;border:1px solid #e0e0e0;border-bottom-left-radius:4px}.bvcb-user{background:#2271b1;color:#fff;margin-left:auto;border-bottom-right-radius:4px}.bvcb-bot a{color:#2271b1;text-decoration:underline;word-break:break-all}.bvcb-wait{display:inline-flex;gap:5px;align-items:center;padding:13px 16px}.bvcb-dot{width:7px;height:7px;border-radius:50%;background:#8c8f94;animation:bvcb-blink 1.2s infinite ease-in-out both}.bvcb-dot:nth-child(2){animation-delay:.2s}.bvcb-dot:nth-child(3){animation-delay:.4s}@keyframes bvcb-blink{0%,80%,100%{opacity:.25;transform:scale(.8)}40%{opacity:1;transform:scale(1)}}@media (prefers-reduced-motion:reduce){.bvcb-dot{animation:none;opacity:.6}}.bvcb-chips{display:flex;flex-wrap:wrap;gap:6px;padding:8px 10px 0;background:#fff;border-top:1px solid #dcdcde;flex:none;scrollbar-width:none}.bvcb-chips::-webkit-scrollbar{display:none}.bvcb-chips[hidden]{display:none}.bvcb-chip{flex:none;background:#fff;color:#2271b1;border:1px solid #2271b1;border-radius:999px;padding:6px 12px;font-size:13px;line-height:1.4;cursor:pointer;white-space:nowrap}.bvcb-chip:hover{background:#f0f6fc}.bvcb-chips:not([hidden])+.bvcb-form{border-top:0}.bvcb-form{display:flex;align-items:flex-end;gap:8px;padding:8px 10px;padding-bottom:calc(8px + env(safe-area-inset-bottom));border-top:1px solid #dcdcde;margin:0;background:#fff;flex:none}.bvcb-form textarea{flex:1;resize:none;border:1px solid #c3c4c7;border-radius:20px;padding:9px 14px;font-size:16px;line-height:1.4;min-height:42px;max-height:120px;margin:0;overflow-y:auto;font-family:inherit;background:#fff;color:#1d2327}.bvcb-form textarea:focus{outline:none;border-color:#2271b1;box-shadow:0 0 0 1px #2271b1}.bvcb-send{flex:none;background:#2271b1;color:#fff;border:0;border-radius:20px;padding:0 16px;height:42px;font-size:15px;font-weight:600;cursor:pointer}.bvcb-send:hover{background:#135e96}@media (max-width:600px){.bvcb-launcher{right:12px;bottom:calc(12px + env(safe-area-inset-bottom));padding:12px 16px}.bvcb-floating-panel{top:0;right:0;bottom:auto;left:0;width:100%;max-width:none;height:100vh;height:100dvh;max-height:none;border:0;border-radius:0;box-shadow:none}.bvcb-floating-panel .bvcb-head{padding-top:calc(8px + env(safe-area-inset-top))}.bvcb-inline .bvcb-panel{height:75vh;height:75dvh;min-height:420px}}.bvcb-cover{position:fixed;left:0;right:0;top:-50vh;height:200vh;background:#f6f7f7;z-index:99990}.bvcb-cover[hidden]{display:none}html.bvcb-lock,html.bvcb-lock body{overflow:hidden !important;overscroll-behavior:none}html.bvcb-lock body{position:fixed !important;left:0;right:0;width:100%}