*{box-sizing:border-box} :root{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:#343c34;background:#f4f1e8;font-synthesis:none}body{margin:0}button{font:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent}button:focus-visible,canvas:focus-visible{outline:3px solid #b24d2d;outline-offset:4px}button:disabled{cursor:wait;opacity:.45}.shell{max-width:1392px;margin:auto;padding:16px 48px 10px;min-height:100svh;display:flex;flex-direction:column}.masthead{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;flex-shrink:0}.brand{display:flex;align-items:center;gap:13px}.brand-mark{width:49px;height:49px;background:#d94f31;border-radius:14px;box-shadow:0 3px 0 #ad3b27;display:grid;place-items:center;transform:rotate(-5deg)}.brand-mark svg{width:36px;fill:none;stroke:#fff5e4;stroke-width:2}h1{font-size:27px;font-weight:800;letter-spacing:1px;margin:0 0 5px}.brand p{font-size:9px;letter-spacing:3.1px;font-weight:600;margin:0;color:#8e9383}.edition{vertical-align:middle;font-size:10px;letter-spacing:1px;font-weight:500;padding:4px 8px;border:1px solid #d8dccc;border-radius:4px;margin-left:13px;color:#74806a}.header-actions{display:flex;align-items:center;gap:12px}.button{display:flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;min-height:42px;padding:0 16px;font-size:12px;font-weight:600}.button svg,.icon-button svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.secondary{background:transparent;border:1px solid #d4d9cb;color:#515c4d}.secondary:hover{background:#e9edde}.icon-button{width:42px;height:42px;border:1px solid #d4d9cb;border-radius:50%;background:transparent;display:grid;place-items:center;color:#515c4d}.icon-button[aria-pressed=false]{color:#9b9f93}.icon-button[aria-pressed=false] .sound-waves{opacity:.2}.arena{flex:1;min-height:540px;height:clamp(540px,74svh,810px);position:relative;isolation:isolate;overflow:hidden;border-radius:22px;background:#d8dbcf;box-shadow:0 16px 38px -25px #53604788,inset 0 0 0 1px #c4cab7;border:1px solid #c9cebf}canvas{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none;cursor:grab}canvas:active{cursor:grabbing}.scoreboard{position:absolute;top:30px;left:32px;pointer-events:none;border-left:2px solid #788168;padding-left:15px}.eyebrow{font-size:11px;font-weight:600;margin:0;color:#535e4b;letter-spacing:1px}.eyebrow span{display:block;font-size:8px;letter-spacing:2px;margin-top:5px;color:#89907d}.score-number{font-family:Georgia,"Times New Roman",serif;font-size:65px;line-height:1.12;color:#3f4a38;font-variant-numeric:tabular-nums;padding:6px 0 9px}.score-details{font-size:10px;display:flex;gap:16px;color:#747e68}.score-details b{font-weight:600;padding-left:3px;color:#4e5a45}.board-counter{position:absolute;top:31px;right:32px;font-size:10px;color:#627057;pointer-events:none;width:140px}.board-counter>div:first-child{display:flex;align-items:center;gap:5px}.board-counter strong{margin-left:auto;font-size:18px;color:#445439;font-variant-numeric:tabular-nums}.live-dot{width:5px;height:5px;background:#667c52;border-radius:50%;display:inline-block}.power-panel{position:absolute;left:32px;bottom:32px;width:184px;pointer-events:none}.power-label{display:flex;align-items:baseline;justify-content:space-between;font-size:11px;color:#546048}.power-label strong{font-size:22px;font-variant-numeric:tabular-nums;font-weight:500}.power-label strong span{font-size:10px;padding-left:2px}.power-track{height:6px;background:#b8c0a9;border-radius:5px;position:relative;margin-top:8px}.power-track>div{height:100%;width:0;border-radius:5px;background:#6e815a;transition:background .15s}.power-track i{position:absolute;left:100%;height:12px;top:-3px;width:1px;background:#aa4c34}.power-panel p{font-size:10px;color:#7a846e;margin:10px 0 0;min-height:15px}.power-panel.hot .power-label,.power-panel.hot p{color:#a84931}.power-panel.hot .power-track>div{background:#c15335}.replace-button{position:absolute;right:32px;bottom:31px;background:#f0f2e3aa;border:1px solid #aab59d;color:#506442;backdrop-filter:blur(6px)}.replace-button:hover{background:#f4f5e9}.pull-hint{position:absolute;left:50%;bottom:15px;transform:translateX(-50%);pointer-events:none;display:flex;align-items:center;gap:8px;font-size:10px;letter-spacing:1px;color:#68785c;transition:opacity .25s;white-space:nowrap}.pull-hint svg{width:18px;height:23px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round}.feedback{position:absolute;top:57%;left:50%;transform:translate(-50%,-50%) translateY(8px);text-align:center;pointer-events:none;opacity:0;transition:opacity .2s,transform .2s;white-space:nowrap;font-size:14px;font-weight:600;color:#354a2a;text-shadow:0 1px 12px #fff}.feedback.visible{opacity:1;transform:translate(-50%,-50%)}.feedback strong{font-family:inherit;display:block;font-size:34px;margin-bottom:3px;font-weight:700}.feedback.impact{color:#ac4329}.loading{position:absolute;inset:0;background:#d8dbcf;display:grid;place-items:center;font-size:13px;color:#647357;transition:opacity .25s;pointer-events:none}.loading.done{opacity:0}.guide{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 5px 0;flex-shrink:0}.guide-intro{display:flex;gap:12px;align-items:center}.mini-target{font-size:38px;line-height:1;color:#b16344}.guide-intro strong{font-size:15px;font-weight:650;letter-spacing:1px}.guide-intro p{font-size:11px;margin:7px 0 0;color:#919784}.rules{display:grid;grid-template-columns:repeat(4,auto);gap:20px;font-size:10px;color:#838d76}.rules>span{white-space:nowrap;display:flex;align-items:center;gap:6px}.rules b{color:#58694a;font-weight:500}.rule-dot{display:inline-block;width:6px;height:6px;border-radius:50%}.bull{background:#c15b3b}.normal{background:#7f9267}.smash{background:#bb873f}.fall{background:#727e70}.footnote{margin:18px 0 0;text-align:center;font-size:9px;letter-spacing:1px;color:#a0a592}.footnote>span{padding:0 8px}.footnote .keyboard-note{letter-spacing:0;padding:0;color:#a2aa97}.noscript{text-align:center;color:#a33}
@media(min-width:1550px){.shell{padding-top:20px}.arena{height:76svh}.masthead{margin-bottom:18px}}
@media(max-width:900px){.shell{padding:14px 24px 10px}.guide{align-items:flex-start}.rules{grid-template-columns:repeat(2,auto);gap:12px 18px}.scoreboard{left:24px;top:25px}.board-counter{right:24px;top:25px}.power-panel{left:24px;bottom:27px;width:150px}.replace-button{right:24px;bottom:26px}}
@media(max-width:600px){.shell{padding:12px 12px max(10px,env(safe-area-inset-bottom))}.masthead{margin-bottom:12px}.brand{gap:9px}.brand-mark{width:38px;height:38px;border-radius:11px}.brand-mark svg{width:30px}h1{font-size:21px;letter-spacing:0;margin-bottom:4px}.brand p{font-size:7px;letter-spacing:2px}.edition{display:none}.header-actions{gap:8px}.button{padding:0 11px;font-size:10px;min-height:36px;border-radius:8px}.button svg{width:15px;height:15px}.icon-button{width:36px;height:36px}.arena{min-height:480px;height:clamp(480px,72svh,700px);border-radius:16px}.scoreboard{top:18px;left:18px;padding-left:10px;border-width:1px}.eyebrow{font-size:9px}.eyebrow span{font-size:6px;letter-spacing:1.5px}.score-number{font-size:44px;padding:4px 0 5px}.score-details{font-size:8px;gap:8px}.board-counter{top:20px;right:17px;width:112px;font-size:9px}.board-counter strong{font-size:15px}.power-panel{bottom:46px;left:17px;width:104px}.power-label{font-size:9px}.power-label strong{font-size:17px}.power-track{height:5px}.power-panel p{font-size:8px;line-height:1.6;margin-top:7px;max-width:100px}.replace-button{bottom:49px;right:17px;padding:0 9px;min-height:33px;font-size:9px;gap:5px}.pull-hint{bottom:12px;font-size:9px}.feedback{font-size:12px}.feedback strong{font-size:28px}.guide{padding:12px 7px 0;display:block}.mini-target{font-size:32px}.guide-intro strong{font-size:14px}.guide-intro p{font-size:10px;margin-top:5px}.rules{grid-template-columns:repeat(2,auto);justify-content:space-between;gap:11px 14px;margin-top:17px;font-size:9px}.rules>span{gap:6px}.footnote{margin-top:17px;font-size:8px}.keyboard-note{display:none}}
@media(max-height:540px) and (orientation:landscape){.shell{padding-top:10px}.masthead{margin-bottom:12px}.arena{min-height:470px;height:470px}.guide{padding-top:15px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}
.brand p,.button span{white-space:nowrap}.header-actions{flex-shrink:0}
.power-track i{left:100%;top:-3px;background:#aa4c34}.feedback small{display:block;font-size:11px;margin-top:9px;font-weight:500}.board-counter{width:112px}
@media(max-width:360px){.brand{gap:7px}.brand-mark{width:34px;height:34px}.brand p{font-size:6px;letter-spacing:1.5px}h1{font-size:19px}.header-actions{gap:6px}.secondary{padding:0 8px;gap:5px}.score-number{font-size:34px}.score-details{gap:6px}.power-panel{width:87px}.pull-hint{display:none}}