@charset "UTF-8";
:root{--ink:#234a3e;--green:#176654;--mint:#e4eee7;--paper:#f7f7ef;--coral:#ef805e;--line:#dce3d8;--muted:#718075;--shadow:0 18px 50px #254a3e0d;font-family:-apple-system,BlinkMacSystemFont,"PingFang TC","Noto Sans TC","Microsoft JhengHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0;-webkit-tap-highlight-color:transparent}button,input,a{touch-action:manipulation}button{font:inherit;cursor:pointer;color:inherit;border:0}button:disabled{cursor:default;opacity:.48}button:not(:disabled):active{transform:translateY(2px)}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--coral);outline-offset:4px}a{color:inherit}svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.icon-defs{position:absolute;width:0;height:0;overflow:hidden}[hidden]{display:none!important}
.app-shell{max-width:1440px;margin:auto;padding:calc(22px + env(safe-area-inset-top)) calc(38px + env(safe-area-inset-right)) calc(15px + env(safe-area-inset-bottom)) calc(38px + env(safe-area-inset-left));min-height:100svh;display:flex;flex-direction:column}.app-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:25px}.brand{display:flex;gap:13px;align-items:center;text-decoration:none}.brand-symbol{width:48px;height:48px;background:var(--green);border-radius:16px;color:var(--paper);display:grid;place-items:center;transform:rotate(-6deg)}.brand-symbol svg{width:29px;height:29px}.brand strong{font-size:27px;font-weight:850;letter-spacing:1px;line-height:1.2}.brand-dot{color:var(--coral);font-size:34px}.brand small{display:block;font-size:11px;letter-spacing:1.2px;margin-top:5px;color:var(--muted)}.header-actions{display:flex;align-items:center;gap:9px}.icon-button{width:46px;height:46px;background:transparent;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center}.help-button{font-family:Georgia,serif;font-size:25px}.pause-button{height:46px;display:flex;align-items:center;gap:7px;background:#e9eee3;border-radius:23px;padding:0 19px;font-size:14px;font-weight:700}.pause-button svg{width:17px;height:17px}.game-heading{display:flex;justify-content:space-between;margin-bottom:14px;gap:12px;align-items:center}.eyebrow{font-family:Arial,sans-serif;font-size:10px;font-weight:700;letter-spacing:2.5px;color:var(--green)}.mode-tag{font-size:12px;color:var(--muted)}.game-layout{display:grid;grid-template-columns:minmax(285px,.9fr) minmax(490px,1.9fr);gap:24px;flex:1;max-height:730px}.question-panel{display:flex;flex-direction:column;gap:17px;min-width:0}.stats-strip{display:flex;gap:10px}.stat{background:#fffefa;border:1px solid var(--line);border-radius:18px;padding:17px 12px 13px;flex:1;text-align:center;min-width:0}.stat>span{display:block;font-size:11px;letter-spacing:.4px;margin-bottom:4px;color:var(--muted);white-space:nowrap}.stat strong{font-family:ui-rounded,"Arial Rounded MT Bold",Arial,sans-serif;font-size:33px;font-weight:750;font-variant-numeric:tabular-nums;line-height:1.15}.stat-time{background:var(--green);color:#fffef4;border-color:var(--green)}.stat-time>span{color:#d6e9df}.stat-time small{font-size:12px;margin-left:4px}.stat-time.urgent{background:#bd5239;border-color:#bd5239}.question-card{background:#fffefa;border:1px solid var(--line);border-radius:25px;padding:26px;flex:1;display:flex;flex-direction:column;box-shadow:var(--shadow);min-height:265px}.question-top{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:27px}.question-number{font-size:12px;font-weight:800;letter-spacing:1px}.topic-tag{padding:5px 9px;background:#f3ecdf;border-radius:20px;color:#8e7755;font-size:10px;white-space:nowrap}.question-card h1{font-size:clamp(22px,2.1vw,29px);font-weight:750;line-height:1.65;letter-spacing:.3px;margin:0 0 18px}.question-hint{font-size:13px;color:var(--muted);line-height:1.8;margin:0 0 18px}.aim-hint{display:flex;gap:8px;font-size:11px;margin-top:auto;padding-top:20px;color:var(--muted);align-items:center}.aim-dot{height:7px;width:7px;background:var(--coral);border-radius:50%;flex-shrink:0}.feedback{background:#e9f2e6;border-radius:15px;padding:15px;margin-top:auto}.feedback.wrong{background:#fbede4}.feedback>strong{font-size:16px}.feedback p{font-size:13px;line-height:1.75;margin:8px 0 13px}.next-button{padding:11px 16px;min-height:46px;background:var(--green);color:white;border-radius:11px;font-size:13px;font-weight:700;width:100%;display:flex;justify-content:space-between;align-items:center}.progress-card{padding:17px 18px;background:#eceee2;border-radius:16px;font-size:10px}.progress-card>div:first-child{display:flex;justify-content:space-between;gap:7px;margin-bottom:11px}.progress-track{height:5px;border-radius:6px;background:#d5ddd0;overflow:hidden}.progress-track span{display:block;height:100%;width:0;background:var(--green);border-radius:6px;transition:width .3s}.educational-note{color:var(--muted);font-size:11px;line-height:1.8;margin:0;padding:0 4px}
.machine{border-radius:30px;background:#fcfbf3;border:1px solid #d6dfd1;box-shadow:var(--shadow);padding:18px;display:flex;flex-direction:column;min-width:0;min-height:510px;overflow:hidden}.machine-marquee{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:3px 7px 17px;font-size:12px;font-weight:650}.marquee-dots{color:var(--coral);letter-spacing:2px;font-size:8px;white-space:nowrap}.machine-id{color:var(--muted);font-family:Arial,sans-serif;font-size:8px;letter-spacing:1.4px}.stage{position:relative;flex:1;min-height:300px;overflow:hidden;border-radius:23px;background:linear-gradient(145deg,#dbece2 0%,#ebf2e6 60%,#deebde 100%);border:1px solid #cddcd1;touch-action:none;user-select:none;-webkit-user-select:none}.glass-shine{position:absolute;inset:0;background:linear-gradient(117deg,transparent 32%,#ffffff38 32%,#ffffff38 44%,transparent 44%,transparent 54%,#ffffff20 54%,#ffffff20 58%,transparent 58%);pointer-events:none}.rail{position:absolute;left:7%;right:7%;top:32px;height:8px;border-radius:8px;background:#bacfc3;box-shadow:0 3px 0 #ffffff9e}.crane{--drop:0px;position:absolute;top:23px;left:50%;width:70px;transform:translateX(-50%);z-index:3;transition:left .22s ease;pointer-events:none}.crane.dragging{transition:none}.trolley{width:58px;height:23px;margin:auto;border-radius:8px;background:#417c68;border:4px solid #75a28d;box-shadow:0 3px 5px #345c4c20}.trolley:after{content:"";position:absolute;top:7px;left:29px;width:12px;height:5px;border-radius:4px;background:#efb882}.cable{width:4px;height:calc(33px + var(--drop));background:#5b8374;margin:auto}.claw{position:relative;width:70px;height:50px}.claw:before{content:"";position:absolute;width:30px;height:18px;background:var(--coral);border-radius:7px;top:0;left:20px;z-index:2;border-bottom:4px solid #ce684e}.claw-finger{position:absolute;top:11px;width:24px;height:40px;border:6px solid #527d6d;border-top:0;border-radius:0 0 12px 12px}.claw-left{left:5px;border-right:0;transform:rotate(25deg);transform-origin:top right}.claw-right{right:5px;border-left:0;transform:rotate(-25deg);transform-origin:top left}.claw-middle{position:absolute;left:32px;top:14px;width:6px;height:31px;background:#527d6d;border-radius:5px}.crane.closed .claw-left{transform:rotate(-6deg)}.crane.closed .claw-right{transform:rotate(6deg)}.caught-fruit{position:absolute;font-size:45px;left:50%;top:22px;transform:translateX(-50%);z-index:4;line-height:1}.stage-caption{position:absolute;left:12px;right:12px;top:47%;transform:translateY(-50%);text-align:center;font-size:12px;letter-spacing:1px;color:#688477;pointer-events:none}.pool{display:flex;position:absolute;left:5%;right:5%;bottom:26px;justify-content:space-between;align-items:flex-end;gap:7px;z-index:2}.fruit-button{background:#fffdf18c;border:2px solid transparent;border-radius:22px 22px 15px 15px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:13px 3px 10px;width:20%;min-height:116px;position:relative;transition:border-color .18s,background .18s,transform .18s,opacity .18s;touch-action:none}.fruit-button .fruit{font-size:clamp(41px,4.8vw,66px);line-height:1.2;filter:drop-shadow(0 6px 3px #39544113);display:block;pointer-events:none}.fruit-button .fruit-name{font-size:12px;font-weight:650;margin-top:9px;white-space:nowrap;pointer-events:none}.fruit-button.selected{border-color:var(--green);background:#fffdf0;transform:translateY(-5px)}.fruit-button.selected:before{content:"";position:absolute;width:7px;height:7px;border-radius:50%;background:var(--green);bottom:-17px;left:calc(50% - 3px)}.fruit-button.correct{border-color:#176654;background:#d8ecd9}.fruit-button.wrong{border-color:#c56549;background:#f8dbca}.fruit-button.taken .fruit{opacity:.18}.fruit-button:disabled{opacity:1}.shelf{position:absolute;bottom:17px;height:13px;border-radius:6px;left:3%;right:3%;background:#a8c3ab;box-shadow:0 5px 0 #d4e3cf}.score-pop{position:absolute;left:50%;top:34%;transform:translateX(-50%);font-size:43px;font-weight:850;color:var(--green);text-shadow:0 2px white;animation:pop .65s ease both;z-index:6}.score-pop.wrong{color:#bd5239}@keyframes pop{0%{opacity:0;translate:0 12px;scale:.7}30%{opacity:1;scale:1.12}100%{opacity:1;translate:0 -8px;scale:1}}
.control-deck{display:flex;align-items:center;justify-content:center;gap:18px;padding:22px 17px 16px}.move-button{height:69px;min-width:79px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:5px;background:#e7ebdf;border-radius:18px;border-bottom:4px solid #d6decf}.move-button svg{height:24px;width:27px}.move-button span{font-size:10px;font-weight:700}.flip{transform:rotate(180deg)}.grab-button{flex:1;max-width:270px;min-height:76px;background:var(--coral);color:#fffdf5;border-radius:21px;border-bottom:5px solid #cf674b;box-shadow:0 6px 12px #e9805d26;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:9px 15px;gap:3px}.grab-label{font-size:26px;font-weight:850;letter-spacing:3px}.grab-button small{font-size:10px;letter-spacing:1px}.machine-footer{font-size:9px;color:var(--muted);display:flex;justify-content:space-between;padding:0 9px 3px;gap:8px}.status-light{display:inline-block;width:5px;height:5px;background:var(--green);border-radius:50%;margin-right:5px}.control-deck.left-hand .grab-button{order:-1}.app-footer{display:flex;justify-content:space-between;padding:21px 2px 0;color:#899387;font-size:10px;letter-spacing:.5px;gap:12px}
dialog{border:0;padding:0;color:var(--ink);border-radius:29px;background:#fffdf5;box-shadow:0 30px 100px #173a3040;max-height:calc(100dvh - 36px);max-width:calc(100vw - 30px);overscroll-behavior:contain}dialog::backdrop{background:#173a3080;backdrop-filter:blur(7px)}.home-dialog[open]{display:grid;grid-template-columns:1fr 1.14fr;width:850px;overflow:hidden}.welcome-art{background:#dceee7;position:relative;display:flex;align-items:center;justify-content:center;min-height:530px;overflow:hidden}.welcome-art img{width:100%;height:auto;object-fit:contain}.art-tag{position:absolute;bottom:35px;font-size:11px;letter-spacing:1px;background:#ffffffb3;border:1px solid white;padding:11px 18px;border-radius:25px}.welcome-copy{padding:43px 37px}.welcome-copy h2{font-size:37px;letter-spacing:1px;line-height:1.5;margin:15px 0 10px;font-weight:850}.welcome-copy h2>span{color:var(--coral)}.welcome-copy>p{font-size:13px;line-height:1.9;color:var(--muted);margin:0 0 20px}.mode-choices{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}.mode-choice{text-align:left;position:relative;padding:12px 17px;border:1px solid var(--line);border-radius:13px;background:#fffdfa;min-height:59px}.mode-choice strong{font-size:13px;display:block}.mode-choice span{font-size:10px;color:var(--muted);display:block;margin-top:4px}.mode-choice b{font-size:17px;position:absolute;right:18px;top:18px;font-family:Arial,sans-serif;color:#bcc8bd;font-weight:500}.mode-choice.selected{background:#e9f0e3;border:2px solid var(--green);padding:11px 16px}.mode-choice.selected b{color:var(--green)}.primary-button{width:100%;padding:15px 18px;min-height:52px;background:var(--green);color:#fffdf5;font-weight:700;font-size:15px;border-radius:13px;display:flex;align-items:center;justify-content:center;gap:20px}.welcome-tip{display:block;font-size:9px;color:var(--muted);margin-top:12px;text-align:center;line-height:1.8}.small-dialog{width:440px;padding:33px;text-align:center;overflow:auto}.dialog-kicker{font-family:Arial,sans-serif;font-size:9px;letter-spacing:2px;color:var(--muted)}.small-dialog h2{font-size:26px;margin:15px 0}.small-dialog>p{color:var(--muted);font-size:13px;line-height:1.8;margin:10px 0 24px}.text-button{background:transparent;min-height:46px;width:100%;font-size:12px;color:var(--muted);margin-top:5px}.result-score{font-size:80px;line-height:1.15;letter-spacing:-3px;font-weight:800;font-family:Arial,sans-serif;color:var(--green);margin:20px 0 10px}.rank-pill{background:#f2e8cd;color:#876936;padding:9px 15px;font-size:12px;display:inline-block;border-radius:20px}.result-stats{display:flex;justify-content:space-around;margin-top:25px;padding-top:20px;border-top:1px solid var(--line)}.result-stats strong{display:block;font-family:Arial,sans-serif;font-size:23px}.result-stats span{display:block;font-size:10px;color:var(--muted);margin-top:5px}.review-details{text-align:left;font-size:12px;border-top:1px solid var(--line);margin-top:16px;padding-top:15px}.review-details summary{cursor:pointer;min-height:34px}.review-item{border-bottom:1px solid var(--line);padding:12px 0;line-height:1.7}.review-item strong{font-size:11px;display:block}.review-item span{font-size:11px;color:var(--muted)}.help-dialog{text-align:left;width:490px}.help-dialog ol{list-style:none;counter-reset:steps;padding:0;margin:24px 0}.help-dialog li{counter-increment:steps;position:relative;padding:0 0 0 46px;margin-bottom:20px}.help-dialog li:before{content:"0" counter(steps);position:absolute;left:0;top:0;color:var(--green);background:#e8f0e1;border-radius:11px;display:grid;place-items:center;width:34px;height:34px;font-size:11px;font-weight:800}.help-dialog li strong{display:block;font-size:14px}.help-dialog li span{display:block;font-size:12px;color:var(--muted);line-height:1.7;margin-top:5px}.help-dialog .help-note{font-size:11px;margin:14px 0;line-height:1.8}.setting-row{display:flex;align-items:center;justify-content:space-between;padding:15px 0;border-block:1px solid var(--line);font-size:13px;margin:18px 0}.setting-row input{appearance:none;width:48px;height:28px;background:#ccd5c8;border-radius:20px;position:relative;cursor:pointer;flex-shrink:0}.setting-row input:before{content:"";width:20px;height:20px;top:4px;left:4px;background:#fffef5;position:absolute;border-radius:50%;transition:left .2s}.setting-row input:checked{background:var(--green)}.setting-row input:checked:before{left:24px}.help-dialog .source-note{font-size:10px;line-height:1.8;margin:18px 0}.source-note a{display:block;color:var(--green)}.toast{position:fixed;bottom:calc(25px + env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);background:var(--ink);color:white;padding:14px 22px;font-size:12px;border-radius:15px;max-width:85vw;width:max-content;z-index:20;line-height:1.6;box-shadow:var(--shadow)}
@media(min-width:1100px) and (min-height:800px){.app-shell{padding-top:38px;padding-bottom:25px}.app-header{margin-bottom:32px}.game-layout{max-height:760px}.machine{min-height:590px}.question-card{padding:30px}.question-card h1{font-size:29px}.fruit-button{min-height:133px}.fruit-button .fruit{font-size:69px}.pool{bottom:30px}.shelf{bottom:21px}.control-deck{padding-top:26px;padding-bottom:24px}.app-footer{padding-top:27px}}
@media(max-width:1000px){.app-shell{padding-inline:22px}.game-layout{grid-template-columns:minmax(250px,.85fr) minmax(400px,1.4fr);gap:17px}.question-card{padding:21px}.question-card h1{font-size:23px}.question-top{margin-bottom:19px}.stats-strip{gap:6px}.stat{padding-inline:6px}.machine{padding:14px}.machine-id{display:none}.fruit-button{min-height:104px;border-radius:18px}.fruit-button .fruit{font-size:47px}.fruit-button .fruit-name{font-size:11px}.control-deck{gap:12px;padding-inline:4px}.move-button{min-width:64px}.machine-footer{font-size:8px}}
@media(max-width:780px) and (orientation:portrait), (max-width:680px){.app-shell{padding:calc(18px + env(safe-area-inset-top)) calc(17px + env(safe-area-inset-right)) calc(17px + env(safe-area-inset-bottom)) calc(17px + env(safe-area-inset-left))}.app-header{margin-bottom:21px}.brand{gap:9px}.brand-symbol{width:40px;height:40px;border-radius:13px}.brand strong{font-size:23px}.brand small{font-size:9px;letter-spacing:.5px}.header-actions{gap:6px}.icon-button{width:40px;height:40px}.pause-button{width:40px;padding:0;justify-content:center}.pause-button span{display:none}.game-layout{display:flex;flex-direction:column;max-height:none;gap:18px}.question-panel{display:grid;grid-template-columns:1fr;gap:12px}.stats-strip{gap:10px}.stat{padding:10px 10px 9px;display:flex;align-items:center;justify-content:space-between;gap:5px}.stat>span{font-size:10px;margin-bottom:0}.stat strong{font-size:27px}.question-card{padding:18px 20px;min-height:0}.question-top{margin-bottom:9px}.question-card h1{font-size:24px;line-height:1.6;margin-bottom:8px}.question-hint{font-size:11px;margin:0}.aim-hint{padding-top:13px}.progress-card{padding:11px 16px}.progress-card>div:first-child{margin-bottom:8px}.educational-note{display:none}.machine{min-height:440px;flex:1}.stage{min-height:275px}.fruit-button .fruit{font-size:clamp(40px,7.8vw,62px)}.fruit-button{min-height:114px}.control-deck{padding-block:17px 13px;gap:16px}.move-button{min-width:76px;height:66px}.grab-button{min-height:72px}.app-footer{padding-top:15px;font-size:9px}.game-heading{margin-bottom:12px}.home-dialog[open]{grid-template-columns:1fr;width:440px;overflow:auto}.welcome-art{display:none}.welcome-copy{padding:28px}.welcome-copy h2{font-size:33px;margin-top:12px}.welcome-copy>p{margin-bottom:16px}.mode-choices{gap:8px;margin-bottom:17px}.small-dialog{padding:28px}.mode-tag{font-size:10px}.eyebrow{font-size:8px;letter-spacing:2px}}
@media(min-width:781px) and (orientation:portrait){.app-shell{padding-inline:30px;padding-top:32px}.game-layout{display:flex;flex-direction:column;max-height:none;gap:21px}.question-panel{display:grid;grid-template-columns:240px 1fr;gap:17px;align-items:stretch}.stats-strip{flex-direction:column;gap:8px;grid-row:1}.stat{display:flex;justify-content:space-between;align-items:center;padding:13px 19px;border-radius:14px}.stat strong{font-size:31px}.stat>span{margin-bottom:0;font-size:12px}.question-card{grid-row:1;grid-column:2;padding:23px 26px;min-height:235px}.question-card h1{font-size:27px}.question-top{margin-bottom:14px}.progress-card{grid-column:1/-1}.educational-note{display:none}.machine{min-height:540px;flex:1}.fruit-button{min-height:132px}.fruit-button .fruit{font-size:67px}.machine-marquee{font-size:14px}.machine-id{display:block}.stage{min-height:370px}.app-footer{padding-top:23px}}
@media(orientation:landscape) and (max-height:720px){.app-shell{padding-block:calc(13px + env(safe-area-inset-top)) calc(10px + env(safe-area-inset-bottom));padding-inline:22px}.app-header{margin-bottom:13px}.brand-symbol{width:39px;height:39px}.brand strong{font-size:23px}.brand small{font-size:9px}.icon-button,.pause-button{height:40px}.icon-button{width:40px}.game-heading{margin-bottom:10px}.game-layout{max-height:none;gap:17px;grid-template-columns:minmax(265px,.9fr) minmax(400px,1.6fr)}.machine{min-height:430px;padding:12px}.machine-marquee{padding-bottom:12px;font-size:11px}.stage{min-height:255px}.stats-strip{gap:7px}.stat{padding:10px 6px}.stat strong{font-size:28px}.question-panel{gap:11px}.question-card{padding:19px;min-height:220px}.question-top{margin-bottom:14px}.question-card h1{font-size:22px;line-height:1.55;margin-bottom:11px}.question-hint{font-size:11px;margin-bottom:9px}.progress-card{padding:12px 15px}.educational-note{display:none}.control-deck{padding-block:14px 12px;gap:13px}.grab-button{min-height:63px;border-radius:17px}.grab-label{font-size:23px}.move-button{height:59px}.fruit-button{min-height:95px;padding-top:10px}.fruit-button .fruit{font-size:47px}.fruit-button .fruit-name{margin-top:4px;font-size:11px}.stage-caption{top:45%;font-size:11px}.app-footer{padding-top:13px}.welcome-art{min-height:440px}.welcome-copy{padding:24px 31px}.welcome-copy h2{font-size:30px;margin:10px 0}.welcome-copy>p{margin-bottom:14px}.mode-choice{padding-block:9px;min-height:53px}.mode-choice.selected{padding-block:8px}.mode-choices{margin-bottom:14px}.welcome-copy .primary-button{min-height:46px;padding:12px}.welcome-tip{margin-top:8px}}
@media(max-width:390px){.app-shell{padding-inline:12px}.brand-symbol{display:none}.header-actions{gap:5px}.icon-button{width:37px;height:37px}.brand strong{font-size:22px}.brand small{font-size:8px}.question-card h1{font-size:21px}.stat>span{font-size:9px}.fruit-button .fruit{font-size:36px}.fruit-button .fruit-name{font-size:9px}.fruit-button{min-height:91px}.move-button{min-width:58px}.control-deck{gap:10px}.grab-label{font-size:23px}.machine-footer{font-size:8px}.welcome-copy{padding:25px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition:none!important;scroll-behavior:auto!important}}