/* FONTFACE:BEGIN —— 由 tools/subset_fonts.py 自动生成，勿手改。思源黑体 SC（SIL OFL 1.1），见 fonts/LICENSE-OFL.txt、CHANGELOG-fonts.md、CHANGELOG-polish.md */
@font-face{font-family:"Source Han Sans SC";font-style:normal;font-weight:100 600;font-display:swap;src:url("../fonts/SourceHanSansSC-Regular.data.woff2") format("woff2");unicode-range:U+3400-9FFF,U+F900-FAFF}
@font-face{font-family:"Source Han Sans SC";font-style:normal;font-weight:700 900;font-display:swap;src:url("../fonts/SourceHanSansSC-Bold.data.woff2") format("woff2");unicode-range:U+3400-9FFF,U+F900-FAFF}
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/* FONTFACE:END */
:root{--sky:#bfe6ff;--sky2:#e9f7ff;--blue:#2a79c9;--blue-d:#1d5fa5;--orange:#d9650a;--orange-d:#a84c00;--red:#d63848;--red-d:#a82735;--green:#17905d;--green-d:#0f6e45;--ok:#17905d;--ok-ink:#0f6e45;--ok-bg:#d9fbe9;--bad:#d63848;--bad-ink:#a82735;--bad-bg:#ffe1e4;--sel-bg:#efe6ff;--r-s:12px;--r-m:18px;--r-l:24px;--sh-s:0 3px 0;--sh-m:0 4px 0;--sh-l:0 6px 0;--ease-out:cubic-bezier(.2,.8,.2,1);--purple:#8e6bf2;--yellow:#ffd23f;--ink:#27406b;--muted:#3a5680;--card:#fff;--shadow:0 6px 0 rgba(42,121,201,.18),0 10px 20px rgba(42,121,201,.12)}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;font-family:"Source Han Sans SC","思源黑体","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC","WenQuanYi Micro Hei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--sky);overscroll-behavior:none}
body{font-size:18px;-webkit-user-select:none;user-select:none;touch-action:manipulation}
input,button{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
button:focus-visible,.input:focus-visible,.skip:focus-visible{outline:3px solid #4b2fb3;outline-offset:3px}
.sr-only{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:8px;top:-60px;z-index:200;background:#fff;color:#1d5fa5;font-weight:900;padding:8px 14px;border-radius:12px;box-shadow:0 3px 0 rgba(42,121,201,.3);text-decoration:none}.skip:focus{top:8px}
#app{position:relative;height:100%;max-width:560px;margin:0 auto;overflow:hidden}
@media(min-width:700px){#app{max-width:760px;border-left:4px solid #fff;border-right:4px solid #fff}}
.bg{position:absolute;inset:0;background:radial-gradient(120% 40% at 50% 100%,#fff 0 38%,transparent 39%),radial-gradient(60% 25% at 10% 8%,rgba(255,255,255,.8) 0 60%,transparent 61%),radial-gradient(50% 20% at 90% 20%,rgba(255,255,255,.7) 0 60%,transparent 61%),linear-gradient(#b5e1ff,#e6f6ff 60%,#f6fcff);z-index:0;overflow:hidden}
.bg .deco{position:absolute;font-weight:900;opacity:.55;pointer-events:none;will-change:transform}
.view{position:absolute;inset:0;z-index:1;display:flex;flex-direction:column;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch}
.view.hidden,.hidden{display:none!important}
#game.view{overflow:hidden}
/* home */
.hero{padding:calc(14px + env(safe-area-inset-top)) 12px 4px;text-align:center}
.title{margin:0;font-size:clamp(34px,10vw,52px);letter-spacing:2px;line-height:1.1}
.title span{display:inline-block;color:#ff5d6c;-webkit-text-stroke:7px #fff;paint-order:stroke fill;text-shadow:0 5px 0 rgba(42,121,201,.35)}
.title span:nth-child(1),.title span:nth-child(7){color:#ff5d6c}.title span:nth-child(2){color:#ff9f43}.title span:nth-child(3){color:#ffd23f;text-shadow:0 5px 0 rgba(180,120,0,.45)}.title span:nth-child(4){color:#34c98b}.title span:nth-child(5){color:#2a8cf0}.title span:nth-child(6){color:#8e6bf2}
.ribbon{display:inline-block;margin-top:8px;background:linear-gradient(#3487dc,#1d5fa5);color:#fff;font-weight:800;padding:5px 22px;border-radius:12px;box-shadow:0 4px 0 #174d87;font-size:17px;position:relative}
.ribbon i{color:var(--yellow);font-style:normal}
.picker{padding:10px 12px 0}
.picker-row.edition .chip{min-height:40px;padding:4px 12px;font-size:14px;border-radius:20px}
.ok-spark{position:absolute;pointer-events:none;z-index:70;font-size:14px;line-height:1;color:#f0b429;text-shadow:0 1px 0 #fff;will-change:transform,opacity}
.picker-row{display:flex;gap:8px;overflow-x:auto;padding:4px 2px 8px;scrollbar-width:none}
.picker-row::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;min-height:44px;padding:6px 16px;border-radius:22px;background:#fff;color:var(--blue);font-weight:800;box-shadow:var(--sh-s) rgba(42,121,201,.25);font-size:16px}
.chip:active{transform:translateY(2px)}
.chip.on{background:var(--blue);color:#fff;box-shadow:var(--sh-s) var(--blue-d)}
.picker-row.small .chip{min-height:40px;padding:4px 14px;font-size:15px;border-radius:20px}
.picker-note{font-size:12px;color:var(--muted);padding:0 4px 4px;font-weight:700;line-height:1.4}
.picker-info{font-size:13px;color:var(--muted);padding:0 4px 4px;font-weight:700}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;padding:6px 12px 8px}
@media(min-width:620px){.grid{grid-template-columns:repeat(3,1fr)}}
.gcard{position:relative;background:var(--card);border-radius:var(--r-l);padding:14px 10px 12px;text-align:center;box-shadow:var(--shadow);min-height:150px;display:flex;flex-direction:column;align-items:center;gap:4px;border:3px solid #fff;will-change:transform}
.gcard .no,.gno{position:absolute;left:8px;top:8px;width:28px;height:28px;border-radius:50%;background:#c25a00;color:#fff;font-size:14px;font-weight:900;font-style:normal;display:grid;place-items:center;box-shadow:0 2px 0 #8f4300;z-index:3}
.gcard .ico,.ico-lg{width:72px;height:72px;border-radius:22px;border:3px solid #fff;display:grid;place-items:center;font-size:38px;line-height:1;box-shadow:0 4px 0 rgba(42,121,201,.22),inset 0 -5px 0 rgba(0,0,0,.08);overflow:hidden;position:relative}
.gcard .ico span,.ico-lg span{display:block;filter:drop-shadow(0 2px 0 rgba(39,64,107,.18))}
.gcard .ico img,.ico-lg img{width:100%;height:100%;object-fit:contain;display:block;border-radius:16px;pointer-events:none;user-select:none;padding:2px}
.ico-lg{width:96px;height:96px;border-radius:30px;border-width:4px;font-size:54px;margin:0 auto}
.ico-lg img{border-radius:22px}
.gcard .nm{font-weight:900;font-size:18px;line-height:1.2}
.gcard .ds{font-size:14px;color:#4a6490;line-height:1.35}
.gcard .bs{margin-top:auto;font-size:12px;color:#9a6200;font-weight:800}
.foot{margin-top:auto;padding:10px 12px calc(14px + env(safe-area-inset-bottom));text-align:center;display:flex;flex-wrap:wrap;justify-content:center;gap:6px 4px;align-items:center}
.foot .chip{margin:0}.foot .tiny{flex:1 0 100%}
.tiny{font-size:13px;color:#566f99;margin-top:8px}
/* game shell */
.gbar{display:flex;align-items:center;gap:8px;padding:calc(8px + env(safe-area-inset-top)) 10px 6px}
.gtitle{flex:1;min-width:0;display:flex;align-items:center;gap:6px}
.gno{position:static;width:24px;height:24px;font-size:13px;flex:0 0 auto;box-shadow:0 2px 0 #8f4300}
.gname{flex:1;min-width:0;font-weight:900;font-size:16px;line-height:1.25;white-space:normal;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;word-break:break-word}
.icon-btn{width:44px;height:44px;border-radius:50%;background:#fff;box-shadow:var(--sh-s) rgba(42,121,201,.25);font-size:20px;flex:0 0 auto}
.pill{background:#fff;border-radius:16px;padding:6px 12px;font-weight:900;box-shadow:var(--sh-s) rgba(42,121,201,.2);min-width:48px;text-align:center;font-size:17px}
.pill.score{color:#b85f00}
.pill.compact{padding:6px 9px;min-width:0}.pill.compact .hearts{font-size:15px;letter-spacing:0;white-space:nowrap}
.pill:empty{display:none}
.icon-btn:active{transform:translateY(2px)}
/* 窄屏：标题放不下时折到第二行整行显示（EG.fitTitle 加 .stack），返回/生命/分数/规则保持第一行 */
.gbar.stack{flex-wrap:wrap;row-gap:4px}.gbar.stack #backBtn{margin-right:auto}.gbar.stack .gtitle{order:5;flex:1 0 100%}
.tbar{height:10px;margin:2px 12px 6px;border-radius:6px;background:rgba(255,255,255,.7);overflow:hidden;visibility:hidden}
.tbar.on{visibility:visible}
.tbar i,.bar i{display:block;height:100%;width:100%;border-radius:6px;background:linear-gradient(90deg,#34c98b,#8be04e);transform-origin:left center}
.tbar i.low,.bar i.low{background:linear-gradient(90deg,#ff5d6c,#ff9f43)}
.stage{position:relative;flex:1;min-height:0;display:flex;flex-direction:column;padding:6px 12px calc(12px + env(safe-area-inset-bottom));overflow:hidden}
.stage.scroll{overflow-y:auto;overscroll-behavior:contain}
.stage.scroll>div{flex-shrink:0}
.stage.scroll>.center{flex-basis:auto!important;min-height:min-content}
.stage.scroll>.grow{flex-basis:auto;min-height:min-content}
/* components */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:50px;padding:8px 22px;border-radius:var(--r-m);background:var(--blue);color:#fff;font-weight:900;font-size:19px;box-shadow:var(--sh-m) var(--blue-d);transition:box-shadow .12s var(--ease-out),filter .12s}
.btn.green{background:var(--green);box-shadow:var(--sh-m) var(--green-d)}.btn.orange{background:var(--orange);box-shadow:var(--sh-m) var(--orange-d)}.btn.red{background:var(--red);box-shadow:var(--sh-m) var(--red-d)}.btn.purple{background:var(--purple);box-shadow:var(--sh-m) #6a49c8}.btn.ghost{background:#fff;color:var(--blue-d);box-shadow:var(--sh-m) rgba(42,121,201,.25)}
.btn:active{transform:translateY(3px);box-shadow:0 1px 0 rgba(0,0,0,.2)}
@media(hover:hover){.btn:hover{filter:brightness(1.06)}.chip:hover,.icon-btn:hover{transform:translateY(-1px)}.chip:active,.icon-btn:active{transform:translateY(2px)}}
.btn[disabled]{opacity:.5;pointer-events:none}
.btn.sm{min-height:40px;padding:4px 14px;font-size:16px;border-radius:14px}
.card{background:#fff;border-radius:var(--r-l);padding:14px;box-shadow:var(--shadow);border:3px solid #fff}
.center{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:10px}
.row{display:flex;gap:10px;align-items:center;justify-content:center;flex-wrap:wrap}
.grow{flex:1;min-height:0}
.big{font-size:clamp(34px,10vw,52px);font-weight:900;line-height:1.1}
.mid{font-size:24px;font-weight:800}
.sub{font-size:16px;color:#4a6490;line-height:1.5}
.ph:empty{display:none}
.ph.borrowed{color:#9d90d9} /* 教科版借用的其他教材音标：弱化，区别于书印音标 */
.ph{font-size:20px;color:#7b61d4;font-family:"Lucida Sans Unicode","Arial Unicode MS","DejaVu Sans",sans-serif}
.opts{display:grid;grid-template-columns:1fr 1fr;gap:10px;width:100%}
.opts.one{grid-template-columns:1fr}
.opt{min-height:62px;padding:8px 10px;border-radius:var(--r-m);background:#fff;border:3px solid #cfe6fb;box-shadow:var(--sh-m) rgba(42,121,201,.2);font-weight:800;font-size:19px;line-height:1.25;display:flex;align-items:center;justify-content:center;text-align:center;word-break:break-word}
.opt:active{transform:translateY(2px) scale(.98)}
@keyframes okGlow{0%{box-shadow:0 4px 0 rgba(42,121,201,.2),0 0 0 0 rgba(23,144,93,.55)}100%{box-shadow:0 4px 0 rgba(42,121,201,.2),0 0 0 14px rgba(23,144,93,0)}}
@media(prefers-reduced-motion:no-preference){.opt.ok{animation:okGlow .6s ease-out 1}}
/* 注意：不对 transform 加 CSS transition——.opt/.btn 的 transform 常被 GSAP 内联驱动，叠加会拖尾 */
.chip,.icon-btn,.opt{transition:box-shadow .12s var(--ease-out),filter .12s}
.opt.ok{background:var(--ok-bg);border-color:var(--green);color:var(--ok-ink)}
.opt.no{background:var(--bad-bg);border-color:var(--red);color:var(--bad-ink)}
.opt[disabled]{pointer-events:none}
.hearts{letter-spacing:2px;font-size:18px}
.msg{min-height:28px;font-weight:800;font-size:18px;text-align:center}
.msg.ok{color:#0b7a4e}.msg.no{color:var(--bad)}
.bar{height:12px;border-radius:7px;background:rgba(255,255,255,.8);overflow:hidden;width:100%}
.input{width:100%;min-height:56px;border-radius:18px;border:3px solid #cfe6fb;background:#fff;padding:6px 14px;font-size:24px;font-weight:800;text-align:center;outline:none;letter-spacing:2px;text-transform:none}
.input:focus{border-color:var(--blue)}
.slots{display:flex;gap:6px;flex-wrap:wrap;justify-content:center}
.slot{width:40px;height:50px;border-radius:var(--r-s);background:#eaf5ff;border:3px dashed #9fcbf5;display:grid;place-items:center;font-size:28px;font-weight:900;color:var(--blue-d);text-transform:lowercase}
.slot.f{background:#fff;border-style:solid}
.slot.ok{background:var(--ok-bg);border-color:var(--green)}.slot.no{background:var(--bad-bg);border-color:var(--red)}
.float{position:absolute;pointer-events:none;font-weight:900;font-size:24px;z-index:50;text-shadow:0 2px 0 #fff,0 0 6px #fff}
.confetti{position:absolute;width:10px;height:14px;border-radius:2px;pointer-events:none;z-index:60}
/* modal */
.modal{position:absolute;inset:0;z-index:100;background:rgba(30,60,110,.45);display:flex;align-items:center;justify-content:center;padding:18px}
.sheet{width:100%;max-width:420px;max-height:90%;overflow:auto;background:#fff;border-radius:var(--r-l);padding:20px 18px;text-align:center;box-shadow:0 12px 40px rgba(0,0,0,.25);border:4px solid #fff;background:linear-gradient(#f4fbff,#fff)}
.sheet h2{margin:0 0 6px;font-size:26px}
.sheet ol,.sheet ul{text-align:left;padding-left:22px;margin:8px 0;font-size:16px;line-height:1.6}
.stars{font-size:44px;letter-spacing:6px;margin:4px 0}
.stars .s{display:inline-block;transform-origin:50% 60%;filter:grayscale(1) opacity(.35)}.stars .s.on{filter:none}
.score-big{font-size:56px;font-weight:900;color:var(--orange);line-height:1.1}
.stat{display:flex;justify-content:space-between;font-size:16px;padding:3px 8px;border-bottom:1px dashed #cfe6fb}
/* specific */
.tile{min-height:70px;border-radius:var(--r-m);font-weight:900;font-size:17px;line-height:1.15;display:grid;place-items:center;text-align:center;padding:4px;word-break:break-word;box-shadow:0 4px 0 rgba(0,0,0,.14);border:3px solid transparent}
.tile.en{background:#dff0ff;color:#1d5fa5}.tile.zh{background:#fff0d9;color:#964f00}
.tile.sel{border-color:var(--purple);background:var(--sel-bg);transform:translateY(-2px)}
.fieldbox{position:relative;flex:1;min-height:0;border-radius:22px;overflow:hidden;background:linear-gradient(#0d1b4c,#243b8f 60%,#4a6bd1);border:4px solid #fff;box-shadow:var(--shadow)}
.fieldbox.day{background:linear-gradient(#c8ecff,#f3fbff)}
.meteor{position:absolute;top:0;left:0;padding:6px 12px;border-radius:20px;background:linear-gradient(135deg,#ffe066,#ff9f43);color:#5a2d00;font-weight:900;font-size:18px;white-space:nowrap;box-shadow:0 0 18px rgba(255,200,60,.9);will-change:transform;text-align:center;line-height:1.2}
.meteor small{display:block;font-size:12px;opacity:.75;letter-spacing:1px}
.meteor.hit{outline:3px solid #fff;filter:brightness(1.15)}
.meteor.dim{opacity:.45}
.ground{position:absolute;left:0;right:0;bottom:0;height:34px;background:linear-gradient(#2fbf71,#1c8f55);text-align:center;font-size:22px;line-height:34px}
.fruit{position:absolute;left:0;top:0;display:flex;flex-direction:column;align-items:center;will-change:transform;touch-action:none}
.fruit .em{font-size:58px;line-height:1}
.orb{display:block;width:50px;height:50px;margin:4px auto 0;border-radius:50% 50% 48% 48%;background:radial-gradient(circle at 35% 30%,var(--c1),var(--c2));box-shadow:inset 0 -5px 0 rgba(0,0,0,.12),0 3px 0 rgba(39,64,107,.2);position:relative}.orb::after{content:"";position:absolute;left:50%;top:-7px;width:14px;height:9px;border-radius:0 90% 0 90%;background:#2f9e55;transform:translateX(-10%) rotate(-15deg)}
.fruit .lb{margin-top:-8px;position:relative;z-index:2;background:#fff;border:2px solid #cfe6fb;border-radius:14px;padding:1px 11px;font-weight:900;font-size:18px;line-height:1.3;box-shadow:0 2px 0 rgba(42,121,201,.25)}
.board{display:grid;gap:0;background:#fff3d6;border-radius:14px;border:4px solid #8ec5f0;padding:2px;box-shadow:0 4px 0 rgba(42,121,201,.22)}
.cell{position:relative;background:transparent;display:grid;place-items:center}
.cell::before,.cell::after{content:"";position:absolute;background:#7fb3e6}
.cell::before{left:50%;top:0;bottom:0;width:2px;transform:translateX(-1px)}
.cell::after{top:50%;left:0;right:0;height:2px;transform:translateY(-1px)}
.cell.e1::before{top:50%}.cell.e2::before{bottom:50%}.cell.e3::after{left:50%}.cell.e4::after{right:50%}
.stone{position:relative;z-index:2;width:82%;height:82%;border-radius:50%;box-shadow:0 3px 4px rgba(0,0,0,.45)}
.stone.b{background:radial-gradient(circle at 35% 30%,#777,#111 60%)}.stone.w{background:radial-gradient(circle at 35% 30%,#fff,#cfd8e3 70%);border:1px solid #9fb8d6}
.sdot{display:inline-block;width:.8em;height:.8em;border-radius:50%;vertical-align:-.08em;box-shadow:0 1px 2px rgba(0,0,0,.4)}.sdot.b{background:radial-gradient(circle at 35% 30%,#777,#111 60%)}.sdot.w{background:radial-gradient(circle at 35% 30%,#fff,#cfd8e3 70%);border:1px solid #9fb8d6}
.stone.last{outline:3px solid var(--red)}
.stone.win{outline:4px solid var(--yellow)}
.car{display:inline-flex;align-items:center;justify-content:center;min-width:56px;height:52px;padding:0 12px;border-radius:14px;background:#fff;border:3px solid #ffb35c;font-weight:900;font-size:18px;box-shadow:0 4px 0 rgba(0,0,0,.15);position:relative}
.car::after{content:"";position:absolute;right:-12px;top:50%;width:10px;height:5px;background:#5b739c;border-radius:3px}
.car:nth-child(3n+1){border-color:#5db6ff}.car:nth-child(3n+2){border-color:#6bd69f}
.track{min-height:140px;border-radius:var(--r-m);padding:10px 14px 18px;background:repeating-linear-gradient(90deg,transparent 0 22px,rgba(42,121,201,.18) 22px 28px),#eef6ff;border:3px dashed #9fcbf5;display:flex;flex-wrap:wrap;gap:14px 16px;align-content:flex-start;position:relative}
.yard{min-height:100px;display:flex;flex-wrap:wrap;gap:14px 16px;padding:10px 6px;align-content:flex-start;justify-content:center}
.conn{position:relative;display:flex;justify-content:space-between;gap:70px;flex:1;min-height:0}
.conn .col{display:flex;flex-direction:column;gap:10px;flex:1;justify-content:space-around}
.node{min-height:54px;border-radius:var(--r-m);background:#fff;border:3px solid #cfe6fb;font-weight:900;font-size:17px;display:flex;align-items:center;justify-content:center;text-align:center;padding:4px 8px;box-shadow:0 4px 0 rgba(42,121,201,.2);position:relative;z-index:2;line-height:1.2}
.node.sel{border-color:var(--purple);background:var(--sel-bg)}.node.done{background:var(--ok-bg);border-color:var(--green);pointer-events:none}
.node.bad{background:var(--bad-bg);border-color:var(--red)}
.conn svg{position:absolute;inset:0;width:100%;height:100%;z-index:1;pointer-events:none;overflow:visible}
.cop{border-radius:var(--r-m);background:#fff;border:3px solid #cfe6fb;min-height:84px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;box-shadow:0 4px 0 rgba(42,121,201,.2);padding:4px;text-align:center;position:relative}
.cop .pe{font-size:30px}.cop .w{font-weight:900;font-size:18px}.cop .z{font-size:14px;color:#a95c00;font-weight:800}
.cop.caught{background:var(--ok-bg);border-color:var(--green)}.cop.wrong{background:var(--bad-bg);border-color:var(--red)}
.wheel-wrap{position:relative;width:min(80vw,330px);aspect-ratio:1;margin:0 auto}
.wheel-wrap svg{width:100%;height:100%;display:block;overflow:visible}
.pointer{position:absolute;left:50%;top:-12px;transform:translateX(-50%);font-size:34px;z-index:5;filter:drop-shadow(0 3px 0 rgba(0,0,0,.25))}
.duel{display:flex;flex:1;min-height:0;gap:8px}
.half{flex:1;min-width:0;display:flex;flex-direction:column;gap:8px;border-radius:22px;padding:8px;border:4px solid #fff;box-shadow:var(--shadow)}
.half.p1{background:linear-gradient(#dcefff,#f2f9ff)}.half.p2{background:linear-gradient(#ffe3e6,#fff4f5)}
.half .hn{font-weight:900;font-size:16px;display:flex;justify-content:space-between}
.half .q{flex:0 0 auto;text-align:center;font-weight:900;font-size:26px;line-height:1.15;padding:4px 0}
.half .opts{grid-template-columns:1fr;flex:1;min-height:0;align-content:stretch}
.half .opt{min-height:0;font-size:16px;padding:4px}
.tug{height:20px;border-radius:12px;background:#ff8b96;position:relative;overflow:hidden;border:3px solid #fff;box-shadow:0 3px 0 rgba(0,0,0,.12);margin-bottom:6px;flex:0 0 auto}
.tug i{position:absolute;left:0;top:0;bottom:0;background:#5db6ff;width:50%}
.buzz{width:100%;min-height:92px;border-radius:50px;font-size:28px;font-weight:900;color:#fff;box-shadow:0 8px 0 rgba(0,0,0,.25)}
.buzz:active{transform:translateY(5px)}
.buzz.b1{background:radial-gradient(circle at 35% 30%,#3d8fe0,#2a79c9 55%,#1d5fa5)}.buzz.b2{background:radial-gradient(circle at 35% 30%,#e8596a,#d63848 55%,#a82735)}
.buzz[disabled]{filter:grayscale(.8);opacity:.6}
.potion{position:relative;border-radius:var(--r-m);background:#fff;border:3px solid #cfe6fb;min-height:84px;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 4px 0 rgba(42,121,201,.2);padding:2px 2px}
.potion .em{font-size:34px;line-height:1.1}.potion .wd{font-weight:800;font-size:14px;line-height:1.15;word-break:normal;overflow-wrap:anywhere;hyphens:auto;text-align:center}
.potion.mine{border-color:var(--purple);background:var(--sel-bg)}
.potion.eaten{opacity:.5;pointer-events:none;background:#eee}
.potion.dead{background:var(--bad-bg);border-color:var(--red);opacity:1}
.letterblk{width:46px;height:52px;border-radius:var(--r-s);background:linear-gradient(#ffd98a,#ffb347);color:#5a2d00;font-weight:900;font-size:28px;display:grid;place-items:center;box-shadow:0 4px 0 #c07818;touch-action:none;cursor:grab;position:relative;text-transform:lowercase}
.slot .letterblk{box-shadow:none;width:100%;height:100%;border-radius:9px}
.tray{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;padding:10px;min-height:76px}
.tray .ph0{width:46px;height:52px;border-radius:12px;background:rgba(0,0,0,.05);display:grid;place-items:center}
.sel-wrap{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.flash{position:absolute;inset:0;pointer-events:none;z-index:70;background:#fff;opacity:0}
.hp{height:16px;border-radius:9px;background:#fff;border:2px solid #fff;overflow:hidden;box-shadow:0 2px 0 rgba(0,0,0,.15);width:100%}
.hp i{display:block;height:100%;background:linear-gradient(90deg,#ff5d6c,#ff9f43);transform-origin:left center}
.hp.me i{background:linear-gradient(90deg,#34c98b,#8be04e)}
.arena{position:relative;display:flex;justify-content:space-between;align-items:flex-end;padding:6px 14px;min-height:120px}
.arena .fig{font-size:62px;line-height:1;will-change:transform;filter:drop-shadow(0 4px 0 rgba(39,64,107,.25))}
.beatdots{display:flex;gap:10px;justify-content:center}
.beatdots b{width:18px;height:18px;border-radius:50%;background:#cfe6fb}
.kw{display:inline-block;padding:0 3px;border-radius:6px}
.kw.on{background:#ffe066;color:#5a2d00}
.wordcard{width:100%;perspective:900px}
.wordcard .inner{position:relative;width:100%;min-height:230px;transform-style:preserve-3d}
.wordcard .face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:26px;background:#fff;border:4px solid #fff;box-shadow:var(--shadow);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:12px;text-align:center}
.wordcard .back{transform:rotateY(180deg);background:linear-gradient(#fff6e0,#fff)}
.slotwin{display:flex;gap:8px;justify-content:center;align-items:center;font-size:56px;background:#fff;border-radius:22px;padding:8px 14px;border:4px solid var(--yellow);box-shadow:inset 0 0 0 3px #fff6c9}
.copbox{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;width:100%}
@media(max-width:360px){.copbox{gap:5px}.opt{font-size:17px}}

@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.bg .deco{display:none}}

/* g20 答题卡：小屏半透明浮层，避免挡住棋盘底行 */
.board-wrap{position:relative;width:100%;display:flex;justify-content:center;align-items:center;flex:1;min-height:0}
.gq-overlay{position:absolute;left:4px;right:4px;bottom:4px;z-index:12;max-height:46%;overflow-y:auto;-webkit-overflow-scrolling:touch;background:rgba(255,255,255,.93);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);box-shadow:0 -6px 24px rgba(39,64,107,.22);border:3px solid rgba(255,255,255,.95);padding:10px 12px}
.gq-overlay .opts{gap:8px}.gq-overlay .opt{min-height:48px;font-size:17px;padding:6px}
@media(max-height:700px){.gq-overlay{max-height:42%}.gq-overlay .opt{min-height:44px;font-size:16px}}

.public-site-nav{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 4px 12px;font-size:12px;color:#2f5a76}.public-site-nav a{color:inherit;text-decoration:none;font-weight:700}.public-site-nav a:focus-visible{outline:3px solid #24746c;outline-offset:4px}.public-site-nav span{white-space:nowrap}

.local-note{font-size:11px;line-height:1.7;color:#466783}

/* Playback guidance appears only when audio needs a user action. */
.speech-notice[hidden]{display:none}.speech-notice{position:relative;flex:0 0 auto;margin:6px 12px;background:#fff9e4;border:2px solid #d59b31;border-radius:14px;padding:10px 12px;box-shadow:0 4px 18px #27406b33;font-size:15px;line-height:1.5;display:flex;gap:8px;align-items:center;flex-wrap:wrap}.speech-notice button{border-radius:10px;background:#287ed0;color:white;font-weight:700;min-height:44px;padding:6px 12px}

.speech-notice #speechDismiss{margin-left:auto;min-width:36px;background:transparent;color:#6b4913;font-size:22px}.speech-notice span{flex:1 1 160px}

@media(max-height:500px){.stage[data-game="g07"] .kbd{gap:3px!important}.stage[data-game="g07"] .kbd>div{gap:3px!important}.stage[data-game="g07"] .k{min-height:30px;font-size:16px}.stage[data-game="g07"] #typed{min-height:22px!important;font-size:20px}}