:root{font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,PingFang SC,Microsoft YaHei,sans-serif;color:#25233a;background:#f7f5ff;font-synthesis:none;--brand-violet: #6135e3;--brand-purple: #7852e6;--brand-magenta: #cd2da4;--brand-gradient: linear-gradient(100deg, #6135e3 0%, #7852e6 46%, #cd2da4 100%);--brand-surface: #f7f5ff;--brand-surface-strong: #eee9ff;--brand-ink: #25233a;--brand-muted: #716d82;--brand-divider: #dedbe8;--brand-paper-shadow: #d8d1e9;--brand-shadow-deep: #4d2ab7}*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;min-height:100%}body{min-height:100vh;min-height:100dvh;background:var(--brand-surface)}button,canvas{-webkit-tap-highlight-color:transparent}.app-shell{width:min(100%,880px);min-height:100vh;min-height:100dvh;margin:0 auto;padding:20px clamp(18px,4vw,42px) 28px;display:flex;flex-direction:column}.topbar{display:flex;justify-content:space-between;align-items:center;gap:20px;min-height:54px}.brand{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:650;letter-spacing:-.01em}.brand-dot{width:9px;height:9px;border-radius:50%;background:var(--brand-gradient);box-shadow:0 0 0 5px #6135e31a}.round-status{font-size:13px;color:#777}.screen{flex:1}.hidden{display:none!important}.intro-screen{display:flex;flex-direction:column;justify-content:center;align-items:center;padding:10vh 0 12vh;text-align:center}.intro-copy{width:min(620px,100%);display:flex;flex-direction:column;align-items:center}.mengzhu-mark,.mengzhu-avatar{display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid #e5e5e0;color:var(--brand-violet);font-weight:700;box-shadow:0 8px 30px #1414140f}.mengzhu-mark{width:68px;height:68px;border:0;border-radius:24px;margin-bottom:34px;background:var(--brand-gradient);color:#fff;font-size:14px}.intro-screen h1{font-size:clamp(54px,10vw,100px);line-height:.96;letter-spacing:-.065em;margin:0;font-weight:720}.intro-screen p{font-size:clamp(17px,2.4vw,22px);line-height:1.6;color:#666;margin:30px 0 42px}.primary-button{border:0;border-radius:999px;padding:16px 28px;background:var(--brand-gradient);box-shadow:0 8px 0 var(--brand-shadow-deep);color:#fff;font-size:16px;font-weight:650;cursor:pointer;transition:transform .16s ease,opacity .16s ease}.primary-button:hover:not(:disabled){transform:translateY(-1px)}.primary-button:disabled{cursor:default;opacity:.42}.model-status{margin:14px 0 0!important;width:100%;font-size:13px!important;color:#999!important;text-align:center}body[data-screen=game]{position:fixed;inset:0;width:100vw;height:100dvh;overflow:hidden;overscroll-behavior:none;background:#fff}body[data-screen=game] .app-shell{position:fixed;inset:0;width:100%;max-width:none;height:100%;min-height:0;margin:0;padding:0}body[data-screen=game] .topbar,body[data-screen=game] .footer{display:none}body[data-screen=result-detail]{overflow:auto;background:var(--brand-surface)}body[data-screen=result-detail] .app-shell{width:100%;max-width:none;min-height:100vh;min-height:100dvh;padding:0;background:var(--brand-surface)}body[data-screen=result-detail] .topbar,body[data-screen=result-detail] .footer{display:none}.result-detail-screen{min-height:100vh;min-height:100dvh;background:var(--brand-surface)}.result-detail-wrap{width:min(1040px,94vw);margin:0 auto;padding:42px 0 70px}.result-detail-back{border:0;padding:0;background:transparent;color:var(--brand-violet);font:inherit;font-size:15px;font-weight:650;cursor:pointer}.result-detail-title{margin:34px 0 8px;background:var(--brand-gradient);-webkit-background-clip:text;background-clip:text;color:transparent;font-size:clamp(40px,5vw,58px);font-weight:650;letter-spacing:-.03em}.result-detail-copy{margin:0 0 30px;color:var(--brand-muted);font-size:17px}.result-detail-columns{display:grid;grid-template-columns:minmax(280px,.85fr) minmax(380px,1.35fr);gap:28px;align-items:start}.result-detail-panel{padding:20px;background:#fff;box-shadow:0 11px 0 var(--brand-paper-shadow)}.result-detail-label{margin-bottom:14px;color:var(--brand-ink);font-size:16px;font-weight:700}.result-detail-own-image{display:block;width:100%;aspect-ratio:1 / 1;object-fit:contain;background:#fff}.result-detail-samples-status{min-height:24px;margin:0 0 14px;color:var(--brand-muted);font-size:14px}.result-detail-samples-status:empty{display:none}.result-detail-samples-status[data-state=error]{color:#9b315f}.result-detail-samples{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.result-detail-sample{display:block;width:100%;aspect-ratio:1 / 1;background:#fff;border:1px solid var(--brand-divider)}.result-detail-attribution{margin:26px 0 0;color:var(--brand-muted);font-size:12px}.footer{display:none}.game-screen{position:fixed;inset:0;display:flex;flex-direction:column;width:100%;max-width:none;height:100%;min-height:0;margin:0;padding:0;overflow:hidden;background:#fff}.game-head{position:relative;z-index:8;flex:0 0 99px;min-height:99px;display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:16px;padding:0 30px;background:var(--brand-gradient);border-bottom:8px solid var(--brand-divider)}.prompt-chip{justify-self:start;min-width:0;padding:0;border:0;border-radius:0;background:transparent;box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none;color:#fff;font-size:18px;line-height:1.2;white-space:nowrap}.prompt-prefix{color:#ffffffb8}.prompt-label{color:#fff;font-size:inherit;line-height:inherit;font-weight:500;letter-spacing:0}.timer{justify-self:center;width:100px;height:37px;border:1px solid var(--brand-divider);border-radius:0;display:grid;place-items:center;background:#fff;box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none;color:#111;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:20px;font-weight:500;font-variant-numeric:tabular-nums}.draw-tools{justify-self:end;display:flex;align-items:center;gap:12px}.clear-button{position:relative;inset:auto;z-index:auto;width:auto;height:46px;min-width:58px;border:0;border-radius:0;padding:0 12px;background:#fffffff0;box-shadow:7px 8px #4d2ab747;color:var(--brand-ink);font-size:13px;font-weight:650;cursor:pointer;-webkit-backdrop-filter:none;backdrop-filter:none}.clear-button:active{transform:translate(4px,5px);box-shadow:3px 3px #4d2ab747}.canvas-wrap{position:relative;inset:auto;flex:1 1 auto;min-height:0;width:100%;height:auto;margin:0;padding:0;border:0;border-radius:0;background:#fff;overflow:hidden}#draw-canvas{position:absolute;inset:0;display:block;width:100%;height:100%;max-width:none;max-height:none;margin:0;padding:0;background:#fff;touch-action:none;cursor:crosshair}.guess-row{position:absolute;z-index:6;inset:auto auto 24px 50%;transform:translate(-50%);display:flex;align-items:center;justify-content:center;gap:10px;width:max-content;max-width:calc(100vw - 32px);min-height:48px;margin:0;pointer-events:none}.mengzhu-avatar{position:relative;width:64px;height:64px;border:0;border-radius:18px;flex:0 0 auto;overflow:visible;background:transparent;box-shadow:none;font-size:10px;transition:transform .2s ease}.mengzhu-avatar-image{display:block;width:100%;height:100%;object-fit:contain;opacity:0;transition:opacity .16s ease;pointer-events:none}.mengzhu-avatar-image[data-ready=true]{opacity:1}.mengzhu-avatar[data-has-visual=true] .mengzhu-avatar-fallback{display:none}.mengzhu-avatar-fallback{position:absolute;inset:10px;display:grid;place-items:center;border:1px solid var(--brand-divider);border-radius:14px;background:#fff;color:var(--brand-violet);box-shadow:0 8px 30px #1414140f}.mengzhu-avatar[data-state=observe]{animation:mengzhu-observe 1.8s ease-in-out infinite}.mengzhu-avatar[data-state=hesitate]{transform:rotate(-3deg)}.mengzhu-avatar[data-state=guess]{transform:translateY(-2px) scale(1.02)}.mengzhu-avatar[data-state=correct]{animation:mengzhu-correct .42s ease-out both}.mengzhu-avatar[data-state=timeout]{transform:translateY(1px) scale(.98)}.guess-bubble{min-width:180px;max-width:min(72vw,560px);padding:11px 19px;border:0;border-radius:6px;background:#f1f1f1;box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none;color:#777;font-size:18px;line-height:1.35;text-align:center;transition:background .15s ease,color .15s ease,transform .15s ease}.guess-bubble[data-state=hesitate]{background:#f1f1f1;color:#777}.guess-bubble[data-state=guess]{background:#f1f1f1;color:#222;transform:none}.guess-bubble[data-state=correct]{background:#fff1fb;color:#a62a83;transform:none}@keyframes mengzhu-observe{0%,to{transform:translateY(0)}50%{transform:translateY(-2px)}}@keyframes mengzhu-correct{0%{transform:scale(.96)}55%{transform:scale(1.08)}to{transform:scale(1)}}body[data-screen=results]{overflow:auto;background:var(--brand-surface)}body[data-screen=results] .app-shell{width:100%;max-width:none;min-height:100vh;min-height:100dvh;padding:0;background:var(--brand-surface)}body[data-screen=results] .topbar,body[data-screen=results] .footer{display:none}.results-screen{min-height:100vh;min-height:100dvh;background:var(--brand-surface);overflow:auto}.results-wrap{width:min(900px,94vw);margin:0 auto;padding:52px 0 72px;text-align:center}.results-title{margin:0 0 20px;background:var(--brand-gradient);-webkit-background-clip:text;background-clip:text;color:transparent;font-size:clamp(36px,4vw,42px);font-weight:500;letter-spacing:-.02em}.results-copy{max-width:700px;margin:0 auto 30px;color:var(--brand-ink);font-size:clamp(17px,2vw,20px);line-height:1.5}.results-grid{display:grid;grid-template-columns:repeat(3,233px);justify-content:center;gap:53px 60px;margin:24px 0 52px}.result-card{width:233px;min-height:162px;padding:8px 8px 7px;border:0;border-radius:0;background:#fff;box-shadow:0 11px 0 var(--brand-paper-shadow),10px 16px #e8e3f2}.result-card-button{font:inherit;color:inherit;cursor:pointer;appearance:none;transition:transform .14s ease}.result-card-button:hover{transform:translateY(-2px)}.result-card-button:focus-visible{outline:3px solid var(--brand-violet);outline-offset:5px}.result-card img{display:block;width:217px;height:126px;aspect-ratio:auto;object-fit:contain;border-radius:0;background:#fff}.result-meta{display:flex;align-items:center;justify-content:center;gap:4px;min-height:20px;padding:4px 0 0;font-size:14px}.result-name{color:#c1c1c1;font-weight:500}.result-state{color:#c1c1c1}.result-state.ok{color:var(--brand-violet)}.results-replay-button{width:min(254px,72vw);height:52px;border:0;border-radius:0;padding:0 28px;background:var(--brand-gradient);box-shadow:0 10px 0 var(--brand-shadow-deep),8px 16px 0 var(--brand-paper-shadow);color:#fff;font:inherit;font-size:20px;font-weight:500;cursor:pointer}.results-replay-button:active{transform:translateY(4px);box-shadow:0 6px 0 var(--brand-shadow-deep),6px 12px 0 var(--brand-paper-shadow)}.footer{display:flex;justify-content:space-between;gap:20px;padding-top:22px;border-top:1px solid #e4e4df;color:#aaa;font-size:11px}@media(max-width:640px){.app-shell{padding-top:12px}.game-head{flex-basis:63px;min-height:63px;grid-template-columns:minmax(90px,1fr) auto minmax(72px,1fr);gap:8px;padding:0 10px}.prompt-chip{font-size:14px}.timer{width:70px;height:36px;font-size:17px}.clear-button{height:38px;min-width:50px;padding:0 8px;box-shadow:5px 6px #00000026}.guess-row{right:auto;bottom:23px;max-width:calc(100vw - 20px)}.guess-bubble{max-width:calc(100vw - 84px);font-size:16px}.round-status{display:none}.results-wrap{padding-top:45px}.result-detail-wrap{padding-top:28px}.result-detail-columns{grid-template-columns:1fr}.result-detail-samples{grid-template-columns:repeat(2,minmax(0,1fr))}.results-grid{grid-template-columns:repeat(2,155px);gap:28px 24px}.result-card{width:155px;min-height:116px}.result-card img{width:139px;height:86px}.footer{flex-direction:column;gap:5px}.intro-screen{padding-top:8vh}.guess-row{right:58px}.guess-bubble{max-width:calc(100vw - 92px);font-size:14px}}@media(prefers-reduced-motion:reduce){.mengzhu-avatar,.guess-bubble,.primary-button{animation:none!important;transition:none!important}}body[data-screen=round-intro]{overflow:hidden;background:var(--brand-surface)}body[data-screen=round-intro] .app-shell{width:100%;max-width:none;min-height:100vh;min-height:100dvh;padding:0;background:var(--brand-surface)}body[data-screen=round-intro] .topbar,body[data-screen=round-intro] .footer{display:none}.round-intro-screen{position:relative;min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:clamp(28px,6vh,64px) 24px;text-align:center;background:var(--brand-surface)}.round-intro-status{position:absolute;top:max(56px,env(safe-area-inset-top));left:50%;transform:translate(-50%);color:var(--brand-muted);font-size:clamp(17px,2vw,19px);font-weight:500;white-space:nowrap}.round-intro-card{display:flex;flex-direction:column;align-items:center;gap:14px;transform:translateY(-2vh)}.round-intro-kicker{font-size:clamp(22px,2.3vw,26px);font-weight:500}.round-intro-prompt{background:var(--brand-gradient);-webkit-background-clip:text;background-clip:text;color:transparent;font-size:clamp(46px,5vw,52px);font-weight:500;line-height:1.05;letter-spacing:-.02em}.round-intro-time{margin-top:2px;font-size:clamp(22px,2.3vw,26px)}.round-intro-button{width:min(254px,72vw);height:52px;margin-top:30px;padding:0 28px;border:0;border-radius:0;background:var(--brand-gradient);box-shadow:0 10px 0 var(--brand-shadow-deep),8px 16px 0 var(--brand-paper-shadow);color:#fff;font:inherit;font-size:clamp(19px,2vw,22px);font-weight:500;cursor:pointer;touch-action:manipulation}.round-intro-button:active{transform:translateY(4px);box-shadow:0 6px 0 var(--brand-shadow-deep),6px 12px 0 var(--brand-paper-shadow)}.official-site-link{position:fixed;z-index:30;top:max(18px,env(safe-area-inset-top));left:max(18px,env(safe-area-inset-left));display:inline-flex;align-items:center;gap:7px;padding:6px 9px 6px 6px;border-radius:12px;background:#fff;box-shadow:0 5px 18px #25233a1a;color:#165cb5;text-decoration:none;line-height:1}.official-site-logo-crop{display:block;width:119px;overflow:hidden}.official-site-link img{display:block;width:140px;max-width:none;height:auto;object-fit:contain}.official-site-link:focus-visible{outline:3px solid var(--brand-violet);outline-offset:3px}.mengzhu-intro-ip{display:block;width:clamp(112px,11vw,132px);height:clamp(112px,11vw,132px);margin:0 0 30px;border-radius:30px;object-fit:cover;box-shadow:0 12px 32px #25233a1a}body[data-screen=game] .official-site-link{top:16px;left:18px;padding:5px 7px 5px 5px}body[data-screen=game] .official-site-logo-crop{width:100px}body[data-screen=game] .official-site-link img{width:118px}body[data-screen=game] .game-head{padding-left:300px}.official-account-qr{display:none;position:fixed;z-index:28;right:max(22px,env(safe-area-inset-right));bottom:max(18px,env(safe-area-inset-bottom));width:112px;margin:0;padding:8px 8px 7px;border-radius:12px;background:#fffffff5;box-shadow:0 6px 22px #25233a1f;text-align:center;pointer-events:auto}.official-account-qr img{display:block;width:92px;height:92px;margin:0 auto 5px;object-fit:contain;background:#fff}.official-account-qr p{margin:0;color:var(--brand-ink);font-size:11px;line-height:1.3;font-weight:600}body[data-screen=intro] .official-account-qr,body[data-screen=results] .official-account-qr{display:block}@media(max-width:1100px)and (min-width:641px){body[data-screen=game] .game-head{padding-left:230px}}@media(max-width:640px){body[data-screen=intro] .topbar{padding-left:86px}.official-site-link{top:max(10px,env(safe-area-inset-top));left:max(10px,env(safe-area-inset-left));gap:4px;padding:4px 6px 4px 4px;border-radius:9px}.official-site-logo-crop{width:68px}.official-site-link img{width:80px}body[data-screen=game] .official-site-link{top:10px;left:8px}body[data-screen=game] .official-site-logo-crop{width:58px}body[data-screen=game] .official-site-link img{width:68px}body[data-screen=game] .game-head{padding-left:118px}.mengzhu-intro-ip{width:102px;height:102px;margin-bottom:24px;border-radius:26px}.official-account-qr{right:max(8px,env(safe-area-inset-right));bottom:max(8px,env(safe-area-inset-bottom));width:82px;padding:6px;border-radius:9px}.official-account-qr img{width:70px;height:70px;margin-bottom:3px}.official-account-qr p{font-size:9px}.result-detail-wrap{padding-top:82px}}