:root{--bg-0:#1a1d22;--bg-1:#2a2f38;--ink:#f4f6f8;--muted:#a7b0bc;--accent:#ff7a1a;--accent-2:#ffe566;--rim:#3b82f6;--line:#f4f6f821;--font-display:"Archivo Black", "Noto Sans TC", sans-serif;--font-body:"Noto Sans TC", sans-serif;color:var(--ink);background:var(--bg-0);font-family:var(--font-body);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}html{background:var(--bg-0);min-width:320px;min-height:100%}body{min-width:320px;min-height:100vh;margin:0}body:before{z-index:-1;content:"";pointer-events:none;background-color:#0000;background-image:linear-gradient(#ffffff05 1px,#0000 1px),linear-gradient(90deg,#ffffff05 1px,#0000 1px);background-position:0 0,0 0;background-repeat:repeat,repeat;background-size:44px 44px;background-attachment:scroll,scroll;background-origin:padding-box,padding-box;background-clip:border-box,border-box;position:fixed;inset:0;-webkit-mask-image:linear-gradient(#000,#0000 72%);mask-image:linear-gradient(#000,#0000 72%)}a{color:inherit}button,a{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid var(--accent-2);outline-offset:4px}.site-shell{flex-direction:column;min-height:100vh;display:flex}.site-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:32px;width:min(1180px,100% - 48px);min-height:84px;margin:0 auto;display:flex}.brand-mark{font-family:var(--font-display);letter-spacing:-.02em;text-transform:uppercase;align-items:center;gap:11px;font-size:1.15rem;text-decoration:none;display:inline-flex}.brand-ball{background:var(--accent);border:2px solid #1d130c;border-radius:50%;width:25px;height:25px;display:inline-block;position:relative;overflow:hidden;transform:rotate(-12deg);box-shadow:0 -6px 18px #ff7a1a80}.brand-ball:before,.brand-ball:after{content:"";position:absolute}.brand-ball:before{border-top:2px solid #1d130c;inset:10px -3px auto;transform:rotate(22deg)}.brand-ball:after{border-left:2px solid #1d130c;border-radius:50%;width:8px;height:25px;top:-2px;left:9px}.site-nav{align-items:center;gap:clamp(18px,3vw,38px);display:flex}.site-nav a{color:var(--muted);padding:31px 0 28px;font-size:.9rem;font-weight:700;text-decoration:none;transition:color .16s;position:relative}.site-nav a:after{background:var(--accent);content:"";height:3px;transition:transform .16s;position:absolute;bottom:-1px;left:0;right:0;transform:scaleX(0)}.site-nav a:hover,.site-nav a.active{color:var(--ink)}.site-nav a.active:after{transform:scaleX(1)}.site-main{flex-direction:column;flex:1;display:flex}.play-main,.play-page,.game-root{width:100%;height:100%}.play-main{background:#2c3038;min-height:100dvh;overflow:hidden}.play-page{min-height:100dvh;position:relative}.game-root{touch-action:none;-webkit-user-select:none;user-select:none;position:absolute;inset:0}.game-root canvas{display:block}.game-error{z-index:2;text-align:center;background:#1a1d22;place-content:center;justify-items:center;padding:32px;display:grid;position:absolute;inset:0}.game-error h1{font-family:var(--font-display);margin:0;font-size:clamp(2rem,8vw,4rem)}.game-error p{color:var(--muted);margin:18px 0 30px}.game-over-backdrop{z-index:3;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#121418e0;place-items:center;padding:24px;display:grid;position:absolute;inset:0;overflow-y:auto}.game-over-modal{width:min(100%,360px);box-shadow:none;text-align:center;background:0 0;border:0;border-radius:0;padding:36px 28px 28px}.game-over-label{color:var(--muted);letter-spacing:.18em;margin:0;font-size:.85rem;font-weight:800}.game-over-score{color:#fff;font-family:var(--font-display);letter-spacing:-.04em;text-shadow:0 4px #101216;margin:8px 0 0;font-size:clamp(4.5rem,18vw,7rem);line-height:.95}.game-over-best{color:var(--muted);letter-spacing:.08em;margin:12px 0 28px;font-size:1.05rem;font-weight:700}.game-over-best strong{color:#ffb800;font-family:var(--font-display);font-size:1.35rem}.game-over-reset{color:#fff;cursor:pointer;background:0 0;border:3px solid #fff;border-radius:999px;place-items:center;width:72px;height:72px;margin:0 auto 28px;transition:transform .16s,background .16s;display:grid}.game-over-reset:hover{background:#ffffff14;transform:rotate(-28deg)scale(1.04)}.game-over-modal form{text-align:left;gap:10px;display:grid}.game-over-modal label{color:var(--muted);letter-spacing:.12em;font-size:.78rem;font-weight:900}.game-over-submit{grid-template-columns:minmax(0,1fr) auto;gap:12px;display:grid}.game-over-submit input{border:2px solid var(--line);width:100%;min-width:0;min-height:48px;color:var(--ink);font:inherit;background:#101216d9;border-radius:0;padding:0 16px}.game-over-submit input:focus{border-color:#ffb800;outline:none}.game-over-submit .button{cursor:pointer;border:0;min-height:48px}.game-over-submit .button:disabled,.game-over-submit input:disabled{cursor:not-allowed;opacity:.62}.game-over-error,.game-over-success{margin:4px 0 0;font-size:.9rem;font-weight:700}.game-over-error{color:#ff9f8c}.game-over-success{color:#ffb800}.game-over-actions{justify-content:center;align-items:center;gap:24px;margin-top:22px;display:flex}.home-hero{grid-template-columns:minmax(0,1.02fr) minmax(320px,.98fr);align-items:center;width:min(1180px,100% - 48px);min-height:calc(100vh - 85px);margin:0 auto;display:grid;position:relative;overflow:hidden}.hero-copy{z-index:2;padding:70px 0 110px;position:relative}.eyebrow{color:var(--accent-2);letter-spacing:.2em;text-transform:uppercase;margin:0 0 20px;font-size:.78rem;font-weight:900}.hero-copy h1,.page-intro h1{font-family:var(--font-display);letter-spacing:-.055em;text-transform:uppercase;margin:0;line-height:.9}.hero-copy h1{max-width:720px;font-size:clamp(4.6rem,10vw,9rem)}.hero-copy h1 span{color:var(--accent);text-shadow:7px 7px #0000002e;display:block}.hero-lede{max-width:520px;color:var(--muted);margin:30px 0 0;font-size:clamp(1rem,1.6vw,1.2rem);line-height:1.9}.hero-actions{align-items:center;gap:28px;margin-top:38px;display:flex}.button{letter-spacing:.04em;border:2px solid #0000;justify-content:center;align-items:center;gap:18px;min-height:54px;padding:0 25px;font-weight:900;text-decoration:none;transition:background .16s,color .16s,transform .16s;display:inline-flex}.button:hover{transform:translateY(-3px)}.button-primary{color:#17191e;background:var(--accent);box-shadow:6px 6px #ffe566db}.button-primary:hover{background:var(--accent-2)}.text-link{border-bottom:1px solid var(--muted);color:var(--muted);font-weight:700;text-decoration:none;transition:border-color .16s,color .16s}.text-link:hover{border-color:var(--ink);color:var(--ink)}.hero-art{z-index:1;place-items:center;min-height:610px;display:grid;position:relative}.hero-art:before{aspect-ratio:1;content:"";background:radial-gradient(circle,#ff7a1a2e,#0000 64%);border:1px solid #ff7a1a40;border-radius:50%;width:min(520px,46vw);position:absolute}.hero-ball{z-index:4;aspect-ratio:1;background:radial-gradient(circle at 35% 27%,#ffbe55 0 5%,#0000 6%),radial-gradient(circle at 36% 28%,#ff9633 0 24%,#0000 48%),linear-gradient(135deg,#ff9f32,#ef5b13 72%);border:clamp(7px,.8vw,11px) solid #321d0f;border-radius:50%;width:clamp(230px,28vw,350px);animation:3.2s ease-in-out infinite ball-float;position:relative;overflow:hidden;transform:rotate(-8deg);box-shadow:inset -25px -30px 45px #50180547,0 26px 58px #0000006b}.ball-line{opacity:.9;border-color:#492414;display:block;position:absolute}.ball-line-vertical{border-left:7px solid #492414;border-radius:50%;width:10%;height:108%;top:-4%;left:48%;transform:rotate(7deg)}.ball-line-horizontal{border-top:7px solid #492414;border-radius:50%;width:108%;height:20%;top:48%;left:-4%;transform:rotate(-6deg)}.ball-line-curve-left,.ball-line-curve-right{border:7px solid #492414;border-radius:50%;width:55%;height:120%;top:-10%}.ball-line-curve-left{left:-36%}.ball-line-curve-right{right:-36%}.ball-eye{z-index:2;background:#27140d;border-radius:999px;width:12%;height:6%;position:absolute;top:38%;box-shadow:0 3px #ffe56659}.ball-eye-left{left:30%;transform:rotate(10deg)}.ball-eye-right{right:28%;transform:rotate(-12deg)}.flame{z-index:2;filter:drop-shadow(0 0 25px #ff561259);transform-origin:50% 100%;border-radius:70% 12% 62% 40%;width:clamp(170px,22vw,280px);height:clamp(290px,37vw,470px);animation:1.8s ease-in-out infinite alternate flame-wave;display:block;position:absolute;transform:translateY(-35%)rotate(38deg)skew(-5deg)}.flame-back{background:#ef3e15;margin-left:2%}.flame-mid{z-index:3;background:var(--accent);width:clamp(125px,17vw,215px);height:clamp(235px,31vw,390px);margin:1% 0 0 5%;animation-delay:-.5s}.flame-front{z-index:3;background:var(--accent-2);width:clamp(72px,10vw,130px);height:clamp(160px,22vw,270px);margin:4% 0 0 7%;animation-delay:-.9s}.hero-shadow{filter:blur(13px);background:#0000006e;border-radius:50%;width:60%;height:34px;position:absolute;bottom:12%}.hero-note{color:var(--muted);letter-spacing:.12em;margin:0;font-size:.78rem;font-weight:700;position:absolute;bottom:32px;right:0}.how-to{width:min(980px,100% - 48px);margin:0 auto;padding:92px 0 110px}.page-intro{max-width:710px}.page-intro h1{font-size:clamp(3.2rem,8vw,6.6rem)}.page-intro>p:last-child{max-width:560px;color:var(--muted);margin:28px 0 0;font-size:1.1rem;line-height:1.8}.rule-list{margin:72px 0 0;padding:0;list-style:none}.rule-list li{border-top:1px solid var(--line);grid-template-columns:110px minmax(0,1fr);gap:24px;padding:34px 0;display:grid}.rule-list li:last-child{border-bottom:1px solid var(--line)}.rule-number{color:var(--accent);font-family:var(--font-display);text-shadow:3px 3px #ffe56626;font-size:2.4rem;line-height:1}.rule-list h2{font-family:var(--font-display);letter-spacing:-.035em;margin:0;font-size:clamp(1.5rem,4vw,2.2rem)}.rule-list p{max-width:650px;color:var(--muted);margin:13px 0 0;line-height:1.85}.how-to-cta{justify-content:space-between;align-items:center;gap:24px;margin-top:64px;display:flex}.how-to-cta p{font-family:var(--font-display);margin:0;font-size:clamp(1.4rem,3vw,2rem)}.leaderboard{width:min(980px,100% - 48px);margin:0 auto;padding:92px 0 110px}.leaderboard-status{color:var(--muted);margin:48px 0 0;font-size:1.05rem;font-weight:700}.leaderboard-error{align-items:center;gap:24px;margin-top:48px;display:flex}.leaderboard-error p{color:var(--muted);margin:0;font-size:1.05rem;font-weight:700}.score-list{margin:56px 0 0;padding:0;list-style:none}.score-list li{border-top:1px solid var(--line);grid-template-columns:72px minmax(0,1fr) auto;align-items:center;gap:20px;padding:22px 0;display:grid}.score-list li:last-child{border-bottom:1px solid var(--line)}.score-rank{color:var(--accent);font-family:var(--font-display);text-shadow:2px 2px #ffe56626;font-size:1.6rem;line-height:1}.score-name{text-overflow:ellipsis;white-space:nowrap;font-weight:700;overflow:hidden}.score-value{color:var(--accent-2);font-family:var(--font-display);letter-spacing:-.02em;font-size:1.35rem}.site-footer{border-top:1px solid var(--line);width:min(1180px,100% - 48px);min-height:96px;color:var(--muted);letter-spacing:.08em;justify-content:space-between;align-items:center;margin:0 auto;font-size:.78rem;display:flex}.site-footer span:first-child{color:var(--ink);font-family:var(--font-display);text-transform:uppercase;font-size:1rem}@keyframes ball-float{0%,to{transform:translateY(0)rotate(-8deg)}50%{transform:translateY(-18px)rotate(-4deg)}}@keyframes flame-wave{0%{transform:translateY(-35%)rotate(35deg)skew(-7deg)scaleY(.96)}to{transform:translateY(-37%)rotate(41deg)skew(2deg)scaleY(1.04)}}@media (width<=820px){.site-header{flex-direction:column;align-items:stretch;gap:8px;width:min(100% - 32px,680px);min-height:auto;padding:18px 0 0}.brand-mark{align-self:center}.site-nav{scrollbar-width:none;justify-content:flex-start;overflow-x:auto}.site-nav a{flex:none;padding:16px 0 14px}.home-hero{grid-template-columns:1fr;width:min(100% - 32px,680px);min-height:auto}.hero-copy{padding:68px 0 22px}.hero-copy h1{font-size:clamp(4.5rem,23vw,8rem)}.hero-art{min-height:470px}.hero-art:before{width:min(440px,92vw)}.hero-note{text-align:center;padding:10px 0 50px;position:static}.how-to,.leaderboard{width:min(100% - 32px,680px);padding:68px 0 84px}.site-footer{width:min(100% - 32px,680px)}}@media (width<=520px){.site-nav{gap:22px}.site-nav a{font-size:.82rem}.hero-actions,.how-to-cta,.leaderboard-error,.game-over-actions{flex-direction:column;align-items:flex-start}.game-over-backdrop{padding:16px}.game-over-submit{grid-template-columns:1fr}.game-over-submit input{min-height:52px}.score-list li{grid-template-columns:48px minmax(0,1fr) auto;gap:12px}.score-rank{font-size:1.25rem}.hero-art{min-height:390px}.rule-list li{grid-template-columns:58px minmax(0,1fr);gap:14px}.rule-number{font-size:1.7rem}.site-footer{flex-direction:column;align-items:flex-start;gap:10px;padding:28px 0}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}