.bf-root{--bf-safe-bottom:env(safe-area-inset-bottom,0px);--bf-inset:70px;right:var(--bf-inset);z-index:60;width:68px;color:var(--tong-ink,#252c2e);font-family:inherit;position:fixed}.bf-root[data-brot-unavailable=true]{visibility:hidden;pointer-events:none}.bf-root *{box-sizing:border-box}.bf-launcher{width:68px;height:68px;box-shadow:none;cursor:pointer;-webkit-tap-highlight-color:transparent;background:0 0;border:0;border-radius:16px;place-items:center;padding:0;display:grid;position:relative}.bf-root :is(button,a):focus-visible{outline:3px solid var(--tong-accent,#b7442c);outline-offset:4px}.bf-scene{pointer-events:none;transform-origin:50% 70%;width:100%;height:100%;display:block;position:relative}.bf-figure{transform-origin:50% 70%;position:absolute;inset:0}.bf-pose{object-fit:contain;-webkit-user-select:none;user-select:none;width:100%;height:100%;display:block;position:absolute;inset:0}.bf-look{opacity:0;transform-origin:50% 70%;--bf-look-pitch:0deg;--bf-look-roll:0deg;--bf-look-lift:0px;position:absolute;inset:0}.bf-gaze-face{-webkit-mask-composite:source-in;display:none;position:absolute;inset:0;-webkit-mask-image:linear-gradient(90deg,#0000 27%,#000 32% 68%,#0000 74%),linear-gradient(#0000 50%,#000 55% 76%,#0000 82%);mask-image:linear-gradient(90deg,#0000 27%,#000 32% 68%,#0000 74%),linear-gradient(#0000 50%,#000 55% 76%,#0000 82%);-webkit-mask-composite:source-in;mask-composite:intersect}.bf-look{--bf-eye-left-x:41.2%;--bf-eye-right-x:58.8%;--bf-eye-left-y:66.5%;--bf-eye-right-y:66.5%;--bf-look-eye-x:0%;--bf-look-eye-rise:-21%;--bf-look-eye-scale:1;--bf-look-skin:linear-gradient(175deg,#fc805e 45%,#f77454 64%,#f16d50 76%)}.bf-look[data-brot-pose=lookLeft]{--bf-eye-left-x:33.8%;--bf-eye-right-x:48.5%;--bf-eye-left-y:64%;--bf-eye-right-y:65.5%;--bf-look-skin:linear-gradient(175deg,#fc8663 46%,#fb7d5d 63%,#f47858 75%)}.bf-look[data-brot-pose=lookRight]{--bf-eye-left-x:52.3%;--bf-eye-right-x:68.5%;--bf-eye-left-y:65%;--bf-eye-right-y:63.5%;--bf-look-skin:linear-gradient(110deg,#f77a58 46%,#f57253 55%,#ef6c4f 72%)}.bf-look-erase,.bf-look-eyes{position:absolute;inset:0}.bf-look-erase{background:var(--bf-look-skin);-webkit-mask-image:radial-gradient(ellipse 8% 12% at var(--bf-eye-left-x) var(--bf-eye-left-y),#000 70%,transparent 100%),radial-gradient(ellipse 8% 12% at var(--bf-eye-right-x) var(--bf-eye-right-y),#000 70%,transparent 100%);mask-image:radial-gradient(ellipse 8% 12% at var(--bf-eye-left-x) var(--bf-eye-left-y),#000 70%,transparent 100%),radial-gradient(ellipse 8% 12% at var(--bf-eye-right-x) var(--bf-eye-right-y),#000 70%,transparent 100%)}.bf-look-eyes{-webkit-mask-image:radial-gradient(ellipse 5.3% 9.2% at var(--bf-eye-left-x) var(--bf-eye-left-y),#000 80%,transparent 100%),radial-gradient(ellipse 5.3% 9.2% at var(--bf-eye-right-x) var(--bf-eye-right-y),#000 80%,transparent 100%);mask-image:radial-gradient(ellipse 5.3% 9.2% at var(--bf-eye-left-x) var(--bf-eye-left-y),#000 80%,transparent 100%),radial-gradient(ellipse 5.3% 9.2% at var(--bf-eye-right-x) var(--bf-eye-right-y),#000 80%,transparent 100%);transform-origin:50% 65%;transform:translate(var(--bf-look-eye-x),var(--bf-look-eye-rise)) scaleY(var(--bf-look-eye-scale))}.bf-look[data-brot-direction=up]{--bf-look-pitch:14deg;--bf-look-lift:-1px}.bf-look[data-brot-direction=up-left]{--bf-look-pitch:12deg;--bf-look-roll:-4deg;--bf-look-lift:-1px;--bf-look-eye-x:-4%;--bf-look-eye-rise:-19%}.bf-look[data-brot-direction=up-right]{--bf-look-pitch:12deg;--bf-look-roll:4deg;--bf-look-lift:-1px;--bf-look-eye-x:4%;--bf-look-eye-rise:-19%}.bf-look[data-brot-direction=down-left]{--bf-look-pitch:-22deg;--bf-look-roll:6deg;--bf-look-lift:1px;--bf-look-eye-x:-1%;--bf-look-eye-rise:8%;--bf-look-eye-scale:.78}.bf-look[data-brot-direction=down-right]{--bf-look-pitch:-22deg;--bf-look-roll:-6deg;--bf-look-lift:1px;--bf-look-eye-x:1%;--bf-look-eye-rise:8%;--bf-look-eye-scale:.78}.bf-root[data-brot-gaze=true][data-brot-motion=idle] .bf-gaze-face{display:block}.bf-gaze-patch{transform:translate(var(--bf-gaze-x,0px),var(--bf-gaze-y,0px));transition:transform .16s ease-out}.bf-sweat{object-fit:contain;opacity:0;pointer-events:none;width:7px;height:10.5px;display:block;position:absolute;top:30%;right:7%}.bf-sweat-b{top:37%;right:0}.bf-root[data-brot-motion=idle][data-brot-muted=false][data-brot-ambient=true] .bf-figure{animation:6s ease-in-out infinite bf-breathe}.bf-root[data-brot-motion=hello][data-brot-muted=false] .bf-figure{animation:1.05s ease-in-out bf-soft-hello}.bf-root[data-brot-motion=look][data-brot-muted=false][data-brot-ambient=true] .bf-front{animation:4.2s ease-in-out bf-front-turn}.bf-root[data-brot-motion=look][data-brot-muted=false][data-brot-ambient=true] .bf-look-first{animation:4.2s ease-in-out bf-look-first}.bf-root[data-brot-motion=look][data-brot-muted=false][data-brot-ambient=true] .bf-look-second{animation:4.2s ease-in-out bf-look-second}.bf-root[data-brot-motion=look][data-brot-muted=false][data-brot-ambient=true] .bf-look-first .bf-look-eyes{animation:4.2s ease-in-out bf-eyes-first}.bf-root[data-brot-motion=look][data-brot-muted=false][data-brot-ambient=true] .bf-look-second .bf-look-eyes{animation:4.2s ease-in-out bf-eyes-second}.bf-root[data-brot-motion=work][data-brot-muted=false] .bf-figure{animation:1.8s ease-in-out infinite bf-working}.bf-root[data-brot-motion=work][data-brot-muted=false][data-brot-learning=true] .bf-figure{animation-name:bf-working-quiet}.bf-root[data-brot-motion=work][data-brot-muted=false] .bf-sweat-a{animation:1.8s ease-in-out infinite bf-sweat}.bf-root[data-brot-motion=work][data-brot-muted=false] .bf-sweat-b{animation:1.8s ease-in-out .6s infinite bf-sweat}.bf-panel{width:min(280px,calc(100vw - var(--bf-inset) - 32px));overscroll-behavior:contain;border:1px solid var(--tong-line,#d8dad8);background:var(--tong-surface,#fff);color:var(--tong-ink,#252c2e);direction:inherit;border-radius:16px;padding:14px;font-size:14px;line-height:1.5;position:absolute;bottom:calc(100% + 12px);right:0;overflow:auto;box-shadow:0 10px 35px #0002}.bf-panel-heading{justify-content:space-between;align-items:center;gap:12px;display:flex}.bf-panel strong{letter-spacing:-.025em;font-size:18px}.bf-panel button{max-width:100%;min-height:44px;font:inherit;color:inherit;cursor:pointer}.bf-panel-heading button{background:var(--tong-soft,#f0ece6);border:0;border-radius:9px;padding:7px 10px;font-size:12px}.bf-note,.bf-status{color:var(--tong-muted,#626a6e);overflow-wrap:anywhere;margin:8px 0 12px;font-size:12px}.bf-panel button:disabled{opacity:.5;cursor:default}.bf-pause{background:var(--tong-soft,#f0ece6);text-align:start;border:0;border-radius:10px;width:100%;margin-top:9px;padding:8px 10px}.bf-status{min-height:0;margin-bottom:0}.bf-status:empty{display:none}@keyframes bf-breathe{0%,to{transform:translateY(0)}50%{transform:translateY(-2px)rotate(-1deg)}}@keyframes bf-soft-hello{0%,to{transform:translateY(0)scale(1)}22%{transform:translateY(2px)rotate(-2deg)scale(1.045,.955)}46%{transform:translateY(-3px)rotate(1.5deg)scale(.985,1.025)}72%{transform:scale(1.012,.988)}}@keyframes bf-front-turn{0%,8%,35%,44%,72%,to{opacity:1}13%,30%,49%,67%{opacity:0}}@keyframes bf-look-first{0%,8%,35%,to{opacity:0;transform:perspective(180px)rotateX(0)rotate(0)translateY(0)}13%,30%{opacity:1;transform:perspective(180px) rotateX(var(--bf-look-pitch)) rotate(var(--bf-look-roll)) translateY(var(--bf-look-lift))}}@keyframes bf-look-second{0%,44%,72%,to{opacity:0;transform:perspective(180px)rotateX(0)rotate(0)translateY(0)}49%,67%{opacity:1;transform:perspective(180px) rotateX(var(--bf-look-pitch)) rotate(var(--bf-look-roll)) translateY(var(--bf-look-lift))}}@keyframes bf-eyes-first{0%,8%,35%,to{transform:translate(0)scaleY(1)}18%,28%{transform:translate(var(--bf-look-eye-x),var(--bf-look-eye-rise)) scaleY(var(--bf-look-eye-scale))}}@keyframes bf-eyes-second{0%,44%,72%,to{transform:translate(0)scaleY(1)}54%,65%{transform:translate(var(--bf-look-eye-x),var(--bf-look-eye-rise)) scaleY(var(--bf-look-eye-scale))}}@keyframes bf-working{0%,to{transform:translateY(0)scale(1)}35%{transform:translateY(1px)rotate(-1.5deg)scale(1.025,.975)}70%{transform:translateY(-1px)rotate(1deg)scale(.99,1.015)}}@keyframes bf-working-quiet{0%,to{transform:scale(1)}50%{transform:rotate(-.5deg)scale(1.01,.99)}}@keyframes bf-sweat{0%,8%{opacity:0;transform:translateY(-3px)scale(.75)}28%{opacity:1;transform:translateY(0)scale(1)}74%{opacity:.9;transform:translateY(8px)scale(.9)}to{opacity:0;transform:translateY(13px)scale(.6)}}.bf-root[data-brot-muted=true] .bf-figure,.bf-root[data-brot-muted=true] .bf-pose,.bf-root[data-brot-muted=true] .bf-look,.bf-root[data-brot-muted=true] .bf-look-eyes,.bf-root[data-brot-muted=true] .bf-sweat{animation:none!important;transform:none!important}.bf-root[data-brot-muted=true] .bf-front{opacity:1!important}.bf-root[data-brot-muted=true] :is(.bf-look,.bf-sweat){opacity:0!important}@media (max-width:700px){.bf-root{--bf-inset:24px;width:64px}.bf-launcher{width:64px;height:64px}}@media (prefers-reduced-motion:reduce){.bf-root .bf-figure,.bf-root .bf-pose,.bf-root .bf-look,.bf-root .bf-look-eyes,.bf-root .bf-sweat{animation:none!important;transform:none!important}.bf-root .bf-front{opacity:1!important}.bf-root :is(.bf-look,.bf-sweat){opacity:0!important}.bf-gaze-patch{transition:none}}