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-2px;font-size:22px}.cat-companion__tool:hover,.cat-companion__tool[aria-pressed=true]{border-color:var(--pet-accent);background:var(--pet-accent);color:#fff;transform:translateY(-1px)}.cat-companion__tool:focus-visible,[data-pet-recall]:focus-visible,[data-pet-stage]:focus-visible{outline:3px solid color-mix(in srgb,var(--pet-accent) 38%,transparent);outline-offset:3px}[data-pet-stage]{position:absolute;bottom:0;left:0;width:220px;height:240px;border-radius:48% 48% 18px 18px;pointer-events:none;touch-action:manipulation;user-select:none;-webkit-user-select:none}[data-pet-character]{position:absolute;bottom:0;left:calc((220px - var(--pet-asset-width, 172px)) / 2);width:var(--pet-asset-width, 172px);height:var(--pet-asset-height, 258px);border-radius:48% 48% 24% 24%;filter:drop-shadow(0 12px 13px rgba(71,48,35,.2));transform:scale(var(--pet-scale));transform-origin:50% 100%;animation:none;pointer-events:auto;cursor:pointer;opacity:1;visibility:visible;transition:opacity .18s ease,visibility 0ms step-start}[data-pet-character]:before{content:"";position:absolute;inset:0;z-index:20;pointer-events:none}[data-cat-companion][data-renderer=loading] [data-pet-character]{opacity:0;visibility:hidden;transition:opacity .18s ease,visibility .18s step-end;pointer-events:none}[data-asset-head-group]{position:absolute;inset:0;z-index:3;transform:translateY(var(--pet-head-lift)) rotate(calc(var(--pet-head-tilt) + var(--pet-head-turn)));transform-origin:var(--pet-head-origin, 50% 43%);will-change:transform}[data-asset-head-motion]{position:absolute;inset:0}[data-pet-asset-root]{position:absolute;inset:0;z-index:11;display:none;pointer-events:none}[data-pet-walk-root]{position:absolute;inset:0;z-index:12;display:none;pointer-events:none}[data-pet-walk-root]>img{position:absolute;inset:0;display:none;width:100%;height:100%;object-fit:contain;pointer-events:none}[data-pet-walk-root]>img[data-sequence-kind=walk]{top:calc(64 / 576 * 100%);bottom:auto;height:calc(512 / 576 * 100%)}[data-pet-walk-root]>img[data-active=true]{display:block}[data-cat-companion][data-arrival-phase] [data-pet-walk-root]{display:block}[data-cat-companion][data-arrival-phase=walk] [data-pet-walk-root]{animation:cat-companion-walk-in var(--pet-walk-duration, .88s) linear both}[data-cat-companion][data-arrival-phase=preparing] [data-pet-asset-root],[data-cat-companion][data-arrival-phase=walk] [data-pet-asset-root],[data-cat-companion][data-arrival-phase=transition] [data-pet-asset-root]{visibility:hidden}[data-cat-companion][data-arrival-phase] [data-pet-character]{animation:none}[data-cat-companion][data-arrival-phase] [data-pet-asset-root]>[data-asset-part=tail]{animation:none;transform:none}[data-cat-companion][data-arrival-phase] :is([data-asset-head-motion]){animation:none;transform:none}[data-cat-companion]:is([data-arrival-phase=preparing],[data-arrival-phase=walk],[data-arrival-phase=transition]) [data-pet-asset-root]>[data-asset-part=book]{animation:none;transform:scale(1)}[data-cat-companion][data-arrival-phase=handoff] [data-pet-asset-root]>[data-asset-part=book]{animation:none;transform:scale(var(--pet-book-scale))}[data-cat-companion][data-arrival-phase] [data-asset-head-group]{transform:none}[data-cat-companion][data-arrival-phase=handoff] [data-pet-walk-root]{opacity:0;transition:opacity var(--pet-arrival-handoff-duration, .16s) linear}[data-pet-asset-root]>img,[data-asset-head-motion]>img{position:absolute;inset:0;display:block;width:100%;height:100%;object-fit:contain;pointer-events:none}[data-pet-asset-root] [data-asset-part^=mouth-]{opacity:0}[data-cat-companion][data-mouth=closed] [data-asset-part=mouth-closed],[data-cat-companion][data-mouth=small] [data-asset-part=mouth-small],[data-cat-companion][data-mouth=open] [data-asset-part=mouth-open],[data-cat-companion][data-mouth=smile] [data-asset-part=mouth-smile]{opacity:1}[data-pet-asset-root] [data-asset-part^=pupil-]{transform:translate(var(--pet-asset-gaze-x),var(--pet-asset-gaze-y))}[data-pet-asset-root] :is([data-asset-part$=-left][data-asset-part^=eye-base-],[data-asset-part$=-left][data-asset-part^=pupil-]){transform-origin:var(--pet-eye-left-origin, 42% 29%)}[data-pet-asset-root] :is([data-asset-part$=-right][data-asset-part^=eye-base-],[data-asset-part$=-right][data-asset-part^=pupil-]){transform-origin:var(--pet-eye-right-origin, 58% 29%)}[data-pet-asset-root] [data-asset-part^=eyelid-],[data-cat-companion][data-blinking=true] [data-pet-asset-root] [data-asset-part^=eyelid-half-]{opacity:0}[data-cat-companion][data-blinking=true] [data-pet-asset-root] [data-asset-part^=eyelid-closed-]{opacity:1}[data-pet-asset-root]>[data-asset-part=tail]{z-index:1;transform-origin:var(--pet-tail-origin, 29% 79%);animation:cat-companion-asset-tail 4.2s ease-in-out infinite}[data-pet-asset-root] [data-asset-part=ear-left]{z-index:0;transform-origin:var(--pet-ear-left-origin, 36% 25%)}[data-pet-asset-root] [data-asset-part=ear-right]{z-index:0;transform-origin:var(--pet-ear-right-origin, 64% 25%)}[data-pet-asset-root] [data-asset-part^=ear-]{animation:none}[data-cat-companion][data-ear-twitch=left] [data-asset-part=ear-left],[data-cat-companion][data-ear-twitch=right] [data-asset-part=ear-right],[data-cat-companion][data-ear-twitch=both] [data-asset-part^=ear-]{animation:cat-companion-asset-ear-twitch .32s ease-in-out}[data-pet-asset-root]>[data-asset-part=paw]{z-index:4;transform-origin:var(--pet-paw-origin, 61% 76%)}[data-pet-asset-root]>[data-asset-part=body]{z-index:2}[data-asset-head-motion]>[data-asset-part=head]{z-index:1}[data-asset-head-motion]>[data-asset-part^=eye-base-]{z-index:2}[data-asset-head-motion]>[data-asset-part^=pupil-]{z-index:3}[data-asset-head-motion]>[data-asset-part^=eyelid-]{z-index:4}[data-asset-head-motion]>[data-asset-part^=mouth-]{z-index:5}[data-asset-head-motion]>[data-asset-part=head]{mask-image:linear-gradient(to bottom,#000 40%,transparent 49%),radial-gradient(ellipse 6% 3% at 47% 14%,transparent 0%,#000 100%);mask-composite:intersect}[data-cat-companion][data-renderer=assets] [data-pet-asset-root]{display:block}[data-cat-companion][data-renderer=assets] [data-pet-character]{left:calc((220px - var(--pet-asset-width, 172px)) / 2);width:var(--pet-asset-width, 172px);height:var(--pet-asset-height, 258px)}[data-cat-companion] [data-asset-part^=eye-base-]{transform:scale(1.025)}[data-cat-companion] [data-asset-part^=pupil-]{transform:translate(var(--pet-asset-gaze-x),var(--pet-asset-gaze-y)) scale(1.08)}[data-cat-companion][data-state=attentive] :is([data-asset-part^=ear-]){translate:0 -2px}[data-cat-companion][data-mood=curious]{--pet-head-tilt: 3deg}[data-cat-companion][data-mood=happy] :is([data-asset-part=tail]){animation-duration:2.35s}[data-cat-companion][data-mood=relaxed] :is([data-asset-part^=ear-]){translate:0 2px}[data-cat-companion][data-mood=surprised] :is([data-asset-part^=ear-]){translate:0 -3px}[data-cat-companion][data-mood=annoyed] [data-asset-part=ear-left]{transform:rotate(-5deg)}[data-cat-companion][data-mood=annoyed] [data-asset-part=ear-right]{transform:rotate(5deg)}[data-cat-companion][data-mood=surprised] [data-asset-part^=eye-base-]{transform:scale(1.035)}[data-cat-companion][data-mood=surprised] [data-asset-part^=pupil-]{transform:translate(var(--pet-asset-gaze-x),var(--pet-asset-gaze-y)) scale(.82)}[data-cat-companion][data-mood=playful] [data-asset-part^=pupil-]{transform:translate(var(--pet-asset-gaze-x),var(--pet-asset-gaze-y)) scale(1.12)}[data-cat-companion][data-reaction=return] [data-cat-companion][data-reaction=return] [data-asset-part^=ear-]{translate:0 -3px}[data-cat-companion][data-reaction=return] [data-pet-character]{animation:cat-companion-hop .42s ease-out both}[data-cat-companion][data-reaction=head] :is([data-asset-head-group]){animation:cat-companion-head-pat .76s ease-out both}[data-cat-companion][data-reaction=nose] :is([data-asset-head-group]){animation:cat-companion-nose-recoil .76s ease-out both}[data-cat-companion][data-reaction=rapid] :is([data-asset-head-group]){animation:cat-companion-head-shake 1.1s ease-out both}[data-pet-particles]{position:absolute;inset:70px 0 0;z-index:14;overflow:hidden;pointer-events:none}[data-pet-particles]>*{position:absolute;width:7px;height:7px;border-radius:50%;background:var(--pet-accent);box-shadow:0 0 10px color-mix(in srgb,var(--pet-accent) 55%,transparent);animation:cat-companion-particle .7s ease-out forwards}[data-pet-recall]{position:absolute;bottom:2px;left:0;width:50px;height:50px;border-radius:50% 50% 46% 46%;opacity:0;visibility:hidden;transform:translateY(12px) scale(.85);transition:opacity .18s ease,transform .18s ease,visibility .18s step-end;pointer-events:none}.cat-companion__recall-mark{font-size:25px;line-height:1}[data-pet-recall]:hover{border-color:var(--pet-accent);background:var(--pet-accent);color:#fff;transform:translateY(-1px) scale(1)}[data-cat-companion][data-state=hidden] :is([data-pet-stage],[data-pet-bubble],[data-pet-toolbar],[data-pet-particles]),[data-cat-companion][data-hidden=true] :is([data-pet-stage],[data-pet-bubble],[data-pet-toolbar],[data-pet-particles]){display:none;opacity:0;visibility:hidden;pointer-events:none}[data-cat-companion][data-state=hidden] [data-pet-recall],[data-cat-companion][data-hidden=true] [data-pet-recall]{opacity:1;visibility:visible;transform:translateY(0) scale(1);transition:opacity .18s ease,transform .18s ease,visibility 0ms step-start;pointer-events:auto}[data-cat-companion][data-paused=true] *,[data-cat-companion][data-paused=true] *:before,[data-cat-companion][data-paused=true] *:after,[data-cat-companion][data-hidden=true] *,[data-cat-companion][data-hidden=true] *:before,[data-cat-companion][data-hidden=true] *:after{animation-play-state:paused!important}@keyframes cat-companion-asset-blink{0%,43%,47%,to{opacity:0}44%,46%{opacity:1}}@keyframes cat-companion-asset-tail{0%,to{transform:rotate(-2deg)}50%{transform:rotate(4deg)}}@keyframes cat-companion-asset-ear-twitch{0%,to{transform:rotate(0)}35%{transform:rotate(2.5deg)}70%{transform:rotate(-1.5deg)}}@keyframes cat-companion-hop{0%,to{transform:scale(var(--pet-scale))}48%{transform:translateY(-12px) rotate(-2deg) scale(var(--pet-scale))}}@keyframes cat-companion-particle{0%{opacity:.9;transform:translate(0) scale(1)}to{opacity:0;transform:translate(var(--pet-particle-x, 0),var(--pet-particle-y, -30px)) scale(.2)}}@keyframes cat-companion-walk-in{0%{opacity:0;transform:translate(-34%)}14%{opacity:1}to{opacity:1;transform:translate(0)}}@media(max-width:1050px){body:has([data-cat-companion][data-page-context=article][data-size-mode=giant]) .article-toc-mobile>summary{position:relative;z-index:31}[data-cat-companion][data-toc-open=true]{display:none;opacity:0;visibility:hidden;pointer-events:none}[data-cat-companion][data-toc-open=true] *{pointer-events:none!important}body:has(.article-toc-mobile[open]) [data-cat-companion][data-page-context=article] [data-pet-bubble]{opacity:0;visibility:hidden;pointer-events:none}}@media(max-width:700px){[data-pet-bubble]{width:min(216px,calc(100vw - 24px))}}@media(prefers-reduced-motion:reduce){[data-cat-companion] *,[data-cat-companion] *:before,[data-cat-companion] *:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}[data-pet-character]{animation:none;transform:scale(var(--pet-scale))}[data-pet-walk-root]{animation:none}[data-cat-companion][data-arrival-phase=handoff] [data-pet-walk-root]{transition-duration:var(--pet-arrival-handoff-duration, .19s)!important}[data-pet-particles]{display:none}}@media(forced-colors:active){.cat-companion__tool,[data-pet-recall],[data-pet-bubble]{border:2px solid ButtonText}}[data-pet-drift],[data-pet-reaction-shell],[data-pet-breathe]{position:absolute;inset:0;transform-origin:50% 100%;pointer-events:none}[data-pet-drift]{animation:cat-companion-idle-drift 7.8s cubic-bezier(.42,0,.58,1) infinite}[data-pet-breathe]{animation:cat-companion-breathe-shell 4.8s ease-in-out infinite}[data-asset-head-motion]{animation:cat-companion-head-idle 6.3s ease-in-out infinite;transform-origin:var(--pet-head-origin, 50% 43%)}[data-cat-companion]:is([data-state=reacting],[data-drag-state=candidate],[data-drag-state=dragging],[data-arrival-phase],[data-hidden=true],[data-toc-open=true]) [data-pet-drift],[data-cat-companion]:is([data-state=reacting],[data-drag-state=candidate],[data-drag-state=dragging],[data-arrival-phase],[data-hidden=true],[data-toc-open=true]) :is([data-asset-head-motion]){animation-play-state:paused}[data-cat-companion][data-arrival-phase] [data-pet-breathe],[data-cat-companion][data-reaction=return] [data-pet-character]{animation:none}[data-cat-companion][data-reaction=return] [data-pet-reaction-shell]{animation:cat-companion-hop-shell .42s ease-out both}[data-cat-companion][data-reaction] :is([data-asset-head-group]){animation:none}[data-cat-companion][data-reaction=head] :is([data-asset-head-motion]){animation:cat-companion-head-pat-shell .76s ease-out both}[data-cat-companion][data-reaction=nose] :is([data-asset-head-motion]){animation:cat-companion-nose-recoil-shell .76s ease-out both}[data-cat-companion][data-reaction=rapid] :is([data-asset-head-motion]){animation:cat-companion-head-shake-shell 1.1s ease-out both}[data-cat-companion][data-reaction=head] [data-pet-asset-root]>[data-asset-part=body]{animation:cat-companion-body-pat-follow .76s ease-out both}[data-cat-companion][data-reaction=nose] [data-pet-asset-root]>[data-asset-part=body]{animation:cat-companion-body-nose-follow .76s ease-out both}[data-cat-companion][data-reaction=rapid] [data-pet-asset-root]>[data-asset-part=body]{animation:cat-companion-body-rapid-follow 1.1s ease-out both}[data-pet-character]{touch-action:none}[data-cat-companion][data-drag-state=candidate] [data-pet-character],[data-cat-companion][data-drag-state=dragging] [data-pet-character]{cursor:grabbing}[data-pet-asset-root]>[data-asset-part=shadow]{z-index:0}[data-pet-asset-root]>[data-asset-part=book]{z-index:1;transform:translateY(var(--pet-book-lift)) rotate(var(--pet-book-turn)) scale(var(--pet-book-scale));transform-origin:var(--pet-book-origin, 52.2461% 70.8333%);will-change:transform}[data-pet-asset-root]>[data-asset-part=tail]{z-index:2}[data-pet-asset-root]>[data-asset-part=body]{z-index:3;transform:translateY(var(--pet-body-follow-lift)) rotate(var(--pet-body-follow-turn));transform-origin:50% 82%;will-change:transform}[data-asset-head-group]{z-index:4}[data-pet-asset-root]>[data-asset-part=paw]{z-index:5}[data-pet-bubble]{position:fixed!important;top:var(--pet-bubble-y, 12px)!important;left:var(--pet-bubble-x, 12px)!important;width:max-content!important;max-width:min(330px,var(--pet-bubble-available-width, calc(100vw - 24px) ));min-height:52px;padding:14px 17px;overflow-wrap:anywhere;word-break:break-word;border:1px solid #a66f49;border-radius:15px;background:#f3dfbf;box-shadow:0 8px 22px #5b392329;color:#563725;font-family:Cat Songti,Songti SC,STSong,SimSun,serif;font-size:14px;font-weight:700;line-height:1.55;text-wrap:pretty;pointer-events:none;transform-origin:50% 50%}[data-pet-bubble]:before{content:none}[data-pet-bubble]:after{width:12px;height:12px;bottom:auto;left:auto;border-right:1px solid #a66f49;border-bottom:1px solid #a66f49;background:#f3dfbf}[data-pet-bubble][data-bubble-vertical=above]:after{bottom:-7px;transform:rotate(45deg)}[data-pet-bubble][data-bubble-vertical=below]:after{top:-7px;transform:rotate(225deg)}[data-pet-bubble][data-bubble-side=center]:after{left:calc(var(--pet-bubble-arrow-x, 50%) - 6px)}[data-cat-companion][data-size-mode=giant]:not([data-hidden=true]):not([data-toc-open=true]) [data-pet-toolbar]{position:fixed;top:var(--pet-toolbar-top, max(10px, env(safe-area-inset-top)));left:var(--pet-toolbar-left, 0px);right:auto;bottom:auto;display:grid}[data-cat-companion][data-size-mode=giant] [data-pet-action=giant]{border-color:var(--pet-accent);background:var(--pet-accent);color:#fff}@keyframes cat-companion-idle-drift{0%,to{transform:translate3d(-4px,1px,0) rotate(-.35deg)}22%{transform:translate3d(3px,-6px,0) rotate(.5deg)}51%{transform:translate3d(5px,2px,0) rotate(.15deg)}76%{transform:translate3d(-2px,-8px,0) rotate(-.7deg)}}@keyframes cat-companion-breathe-shell{0%,to{transform:translateY(0) scaleY(1)}50%{transform:translateY(-2px) scaleY(1.012)}}@keyframes cat-companion-head-idle{0%,to{transform:translate(0) rotate(-.65deg)}43%{transform:translate(.8px,-1px) rotate(.9deg)}72%{transform:translate(-.5px,-.3px) rotate(.2deg)}}@keyframes cat-companion-hop-shell{0%,to{transform:translateY(0) rotate(0)}48%{transform:translateY(-12px) rotate(-2deg)}}@keyframes cat-companion-head-pat-shell{0%,to{transform:translateY(0) rotate(0)}48%{transform:translateY(4px) rotate(-2deg) scale(.985)}}@keyframes cat-companion-nose-recoil-shell{0%,to{transform:translateY(0) rotate(0)}42%{transform:translateY(-6px) rotate(1deg) scale(.97)}}@keyframes cat-companion-head-shake-shell{0%,to{transform:translate(0) rotate(0)}24%,62%{transform:translate(-4px) rotate(-3deg)}43%,81%{transform:translate(4px) rotate(3deg)}}@keyframes cat-companion-body-pat-follow{0%,to{transform:translateY(var(--pet-body-follow-lift)) rotate(var(--pet-body-follow-turn))}48%{transform:translateY(calc(var(--pet-body-follow-lift) + .6px)) rotate(calc(var(--pet-body-follow-turn) - .3deg))}}@keyframes cat-companion-body-nose-follow{0%,to{transform:translateY(var(--pet-body-follow-lift)) rotate(var(--pet-body-follow-turn))}42%{transform:translateY(calc(var(--pet-body-follow-lift) - .9px)) rotate(calc(var(--pet-body-follow-turn) + .15deg))}}@keyframes cat-companion-body-rapid-follow{0%,to{transform:translate(0) translateY(var(--pet-body-follow-lift)) rotate(var(--pet-body-follow-turn))}24%,62%{transform:translate(-.6px) translateY(var(--pet-body-follow-lift)) rotate(calc(var(--pet-body-follow-turn) - .45deg))}43%,81%{transform:translate(.6px) translateY(var(--pet-body-follow-lift)) rotate(calc(var(--pet-body-follow-turn) + .45deg))}}@media(max-width:700px){[data-pet-bubble]{max-width:min(230px,var(--pet-bubble-available-width, calc(100vw - 16px) ));min-height:48px;padding:12px 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