@charset "UTF-8";
:root{--bg:#08111e;--panel:#101d2d;--line:#26384b;--muted:#9aabbc;--cream:#f4f0e7;--teal:#62eed8;--orange:#ff9b34;--yellow:#ffcb58;color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--cream);font:15px/1.5 Arial,"Microsoft YaHei","PingFang SC",sans-serif}button,a{-webkit-tap-highlight-color:transparent}button,input{font:inherit}a{color:inherit;text-decoration:none}button{cursor:pointer;color:inherit}button:disabled{cursor:not-allowed;opacity:.38}button:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--teal);outline-offset:5px}img{display:block;max-width:100%}small{font-size:11px}h1,h2,h3,h4,p{margin:0}h1,h2,h3{font-weight:900;line-height:1.04}h1,h2{letter-spacing:-1.5px}p{color:var(--muted)}body [lang=zh-Hans]{display:none!important}.sr-only,.skip{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.skip:focus{clip-path:none;width:auto;height:auto;z-index:20;background:var(--teal);color:#071019;padding:12px}.site-header{height:106px;padding:0 5%;display:flex;align-items:center;gap:50px;border-bottom:1px solid var(--line);background:#091322;position:relative;z-index:2}.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}.brand img{width:74px;height:74px;object-fit:contain;border-radius:6px}.brand>span{font-size:18px;letter-spacing:2px;font-weight:900}.brand b{font-weight:400;color:var(--muted)}.brand small{display:block;font-size:8px;letter-spacing:1.1px;margin-top:4px;color:var(--muted)}.brand small span{display:block}.site-header nav{display:flex;gap:30px;height:100%;align-items:center}.site-header nav a{height:100%;display:flex;flex-direction:column;justify-content:center;font-size:12px;font-weight:700;letter-spacing:1.4px;border-bottom:3px solid transparent;padding-top:3px}.site-header nav a:hover,.site-header nav .nav-active{color:var(--teal);border-color:var(--teal)}.site-header nav small{font-weight:400;letter-spacing:0;color:var(--muted)}.header-actions{margin-left:auto;display:flex;align-items:center;gap:23px}.music-btn{display:flex;align-items:center;gap:9px;background:none;border:0;padding:5px 0;font-size:10px;font-weight:700;letter-spacing:.8px;text-align:left;white-space:nowrap}.music-btn>span:first-child{font-size:24px;color:var(--teal)}.music-btn small{display:block;color:var(--muted);font-weight:400}.icon-link{display:flex;align-items:center;justify-content:center;width:27px;height:27px;color:#c3cdda}.icon-link:hover{color:var(--teal)}.icon-link svg{width:21px;height:21px;fill:currentColor}.lang-switch{display:flex;align-items:center;border:1px solid #3c4c5f;padding:3px;gap:2px}.lang-switch button{border:0;background:transparent;padding:6px 7px;color:#a0afbf;font-size:10px;font-weight:700;white-space:nowrap}.lang-switch button[aria-pressed=true]{background:var(--teal);color:#071a21}.hero{max-width:1600px;margin:auto;min-height:632px;position:relative;overflow:hidden;border-bottom:1px solid #24364b}.hero-art{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:65% 50%}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,17,33,.96) 0%,rgba(6,17,33,.7) 30%,transparent 64%),linear-gradient(0deg,#08111e 0%,transparent 16%)}.hero-content{position:relative;margin:0 auto;max-width:1320px;padding:51px 4.7% 34px}.eyebrow{display:block;font-size:10px;font-weight:700;letter-spacing:2px;line-height:1.6;color:var(--muted)}.hero .eyebrow{display:flex;align-items:center;gap:12px;color:#c4d5e2;font-size:10px}.number-tag{background:var(--teal);padding:3px 8px;color:#071d24;font-weight:900;font-size:12px;letter-spacing:1px}.hero h1{font-family:"Arial Black",Impact,Arial,sans-serif;line-height:.83;font-size:clamp(75px,8.1vw,122px);letter-spacing:-7px;font-weight:900;transform:skew(-6deg);transform-origin:left;margin:28px 0 21px}.hero h1 em{color:var(--teal);font-style:normal}.hero h1>span{font-size:21px;display:block;letter-spacing:9px;line-height:2.2;color:#e8e7e0;transform:skew(6deg)}.hero-line{font-weight:900;font-size:16px;letter-spacing:1.4px;line-height:1.3;color:var(--cream)}.hero-copy{margin:14px 0 22px;font-size:14px;color:#b8c9db}.button{display:inline-flex;align-items:center;justify-content:center;gap:20px;min-height:58px;padding:13px 22px;border:1px solid transparent;font-weight:900;font-size:12px;letter-spacing:1px;line-height:1.25;transition:transform .15s,filter .15s}.button small{display:block;font-weight:400;letter-spacing:1px;font-size:11px;margin-top:4px}.primary{background:var(--orange);color:#171a1c;border-color:#ffc16b;border-bottom:4px solid #ad5316;clip-path:polygon(0 0,calc(100% - 13px) 0,100% 13px,100% 100%,13px 100%,0 calc(100% - 13px))}.button:hover{filter:brightness(1.12);transform:translateY(-2px)}.play-hero{min-width:236px;justify-content:space-between}.play-triangle{width:0;height:0;border-top:7px solid transparent;border-bottom:7px solid transparent;border-left:10px solid #131d27}.hero-foot{font-size:8px;letter-spacing:1.2px;color:#a9bdcc;margin-top:19px}.hero-foot>span{padding:0 5px;color:var(--teal)}.hero-foot small{display:block;font-size:10px;letter-spacing:1px;margin-top:3px}.art-caption{position:absolute;bottom:46px;right:7%;display:flex;align-items:center;gap:13px;font-size:10px;font-weight:700;letter-spacing:2px}.art-caption strong{font:900 40px/1 "Arial Black",Arial;color:var(--yellow);letter-spacing:-2px}.art-caption>span{font-size:10px;color:var(--muted)}.status-strip{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 5%;background:#101b2a;border-block:1px solid #263345;font-size:9px;font-weight:700;letter-spacing:1.1px}.status-strip>span{display:flex;align-items:center;gap:10px}.status-strip strong{font-size:15px;color:var(--teal)}.status-strip small{color:var(--muted);font-weight:400;font-size:10px;letter-spacing:0}.live-dot{display:inline-block;width:6px;height:6px;background:var(--teal);border-radius:100%;box-shadow:0 0 10px #62eed855}.content-width{max-width:1200px;width:90%;margin-inline:auto}.modes{padding:65px 0 56px}.section-heading{display:flex;align-items:end;justify-content:space-between;margin-bottom:27px}.section-heading h2{font-size:29px;margin-top:8px;letter-spacing:-.8px}.tiny-label{font:10px monospace;letter-spacing:1px;color:var(--muted)}.mode-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:19px}.mode-card{display:block;background:linear-gradient(130deg,#15283a,#0f1a29 75%);padding:24px 25px 0;border:1px solid #2c3e4e;border-top:3px solid var(--teal);transition:transform .2s,border-color .2s}.mode-card:hover{transform:translateY(-5px);border-color:var(--teal)}.mode-card.daily{border-top-color:#dce4ea;background:linear-gradient(130deg,#242d3a,#101a27 75%)}.mode-card.rush{border-top-color:var(--orange);background:linear-gradient(130deg,#30291f,#101a27 75%)}.mode-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.mode-top>span+span{text-align:right;font-size:9px;letter-spacing:1px;color:var(--muted)}.mode-glyph{font:40px/1 Arial;color:var(--teal)}.daily .mode-glyph{color:#dce4ea}.rush .mode-glyph{color:var(--orange)}.mode-card h3{font-size:22px;letter-spacing:-.6px}.mode-card h4{font-size:13px;font-weight:400;color:#c0c6d0;margin-top:7px}.mode-card p{font-size:12px;margin-top:14px;line-height:1.7;min-height:62px}.mode-card .zh{font-size:11px;min-height:38px;margin-top:7px;color:#7e92a7}.mode-bottom{margin-top:24px;display:flex;justify-content:space-between;align-items:center;border-top:1px solid #314154;min-height:48px;font-size:9px;letter-spacing:1px;color:#b3c7d1}.mode-bottom b{font-size:23px;color:var(--teal);font-weight:400}.rush .mode-bottom b{color:var(--orange)}.how{display:grid;grid-template-columns:1fr 1.2fr;gap:70px;border-top:1px solid var(--line);padding:50px 0 60px}.how h2{font-size:35px;margin:13px 0}.how-title>p{font-size:13px}.mini-merge{display:flex;align-items:center;gap:10px;margin-top:22px}.mini-merge span{display:grid;place-items:center;width:46px;height:46px;background:#174b54;color:#abffea;border:1px solid #67c0b6;border-radius:5px;font-size:23px;font-weight:900;box-shadow:inset 0 -4px 0 #0b333c}.mini-merge span:last-child{background:#389e97;color:#061a24}.mini-merge b{color:#65788c;font-weight:400}.how-steps{margin:0;padding:0;list-style:none}.how-steps li{display:flex;gap:22px;padding:17px 0 20px;border-bottom:1px solid var(--line)}.how-steps li:first-child{padding-top:0}.how-steps li>b{font:12px monospace;color:var(--teal);padding-top:1px}.how-steps h3{font-size:12px;letter-spacing:.8px;margin-bottom:8px}.how-steps p{font-size:12px}.how-steps p[lang]{font-size:11px;margin-top:5px;color:#72889b}.support{border-top:1px solid var(--line);padding:34px 0 46px;display:flex;align-items:center;justify-content:space-between;gap:30px}.support h2{font-size:23px;margin:9px 0 10px}.support p{font-size:12px;line-height:1.8}.coffee{background:#182738;border-color:#48515b;min-width:235px;color:#f3e2c4}.coffee>span:first-child{font-size:23px}footer{border-top:1px solid var(--line);padding:24px 5%;display:flex;align-items:center;justify-content:space-between;gap:20px;color:#8498ac;font-size:9px;letter-spacing:.5px}footer b{border-left:1px solid #4a5767;margin-left:12px;padding-left:12px;font-weight:400}footer a:hover{color:var(--teal)}
/* The arcade cabinet */
.game-page{background:#081322 url(assets/arena.webp) center 106px/cover fixed no-repeat}.game-page:before{content:"";position:fixed;inset:106px 0 0;background:#07132199;pointer-events:none;z-index:-1}.game-page .site-header{height:88px}.game-page .brand img{width:60px;height:60px}.game-page .brand small{font-size:9px}.back-link{font-size:10px;letter-spacing:1px;color:var(--muted);margin-left:auto;white-space:nowrap}.back-link small{display:block}.game-page .header-actions{margin-left:25px}.arena{max-width:1260px;width:92%;margin:auto;padding:27px 0 18px}.game-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.game-heading h1{font-family:"Arial Black",Arial;font-size:32px;font-style:italic;letter-spacing:-1.5px;margin-top:6px}.game-heading h1 em{font-style:inherit;color:var(--teal)}.game-heading h1 span{font-size:14px;font-weight:400;font-style:normal;letter-spacing:3px;margin-left:10px}.text-btn{border:0;background:none;font-size:9px;letter-spacing:1px;padding:10px 0;color:var(--muted)}.text-btn:hover{color:var(--teal)}.text-btn small{display:block}.game-layout{display:grid;grid-template-columns:minmax(170px,1fr) minmax(300px,480px) minmax(170px,1fr);gap:38px;align-items:start}.mission-panel{padding-top:9px}.mode-tabs{margin:14px 0 30px;display:grid;gap:8px}.mode-tabs button{display:flex;align-items:center;gap:14px;text-align:left;min-height:60px;background:#0d1b29d9;border:1px solid #2b3a4a;padding:12px;font-size:10px;letter-spacing:.6px}.mode-tabs b{font:12px monospace;color:#4c6c7f}.mode-tabs small{display:block;font-size:11px;color:var(--muted);margin-top:3px;letter-spacing:0}.mode-tabs button.active{border-color:#4fa899;background:linear-gradient(100deg,#183b41db,#0b1b29dd);box-shadow:inset 3px 0 var(--teal)}.mode-tabs button.active b{color:var(--teal)}.objective{padding:22px 0 25px;border-block:1px solid #344352}.objective>strong{display:block;font:900 43px/1.1 "Arial Black",Arial;letter-spacing:-2px;color:var(--orange);margin:14px 0 10px}.objective p{font-size:11px;line-height:1.7}.objective p[lang]{margin-top:7px}.target-track{height:4px;background:#2b3e4b;margin:18px 0 8px}.target-track i{display:block;background:var(--orange);width:0;height:100%;transition:width .3s}.tip{margin-top:27px;padding-left:12px;border-left:2px solid #597381}.tip>span{font-size:9px;font-weight:700;letter-spacing:1px;color:#b8cad8}.tip p{font-size:11px;margin-top:9px;line-height:1.8}.scoreboard{height:77px;background:#0e1e2ce8;border:1px solid #354758;display:grid;grid-template-columns:1fr 1fr 1fr;margin-bottom:13px}.scoreboard>div{position:relative;padding:13px 18px}.scoreboard>div+div:before{content:"";position:absolute;left:0;top:18px;height:39px;width:1px;background:#344454}.scoreboard span{font-size:8px;color:#a2b3c2;letter-spacing:1px;display:block}.scoreboard small{letter-spacing:0;margin-left:4px;font-size:9px}.scoreboard strong{font:900 27px/1.3 "Arial Black",Arial;letter-spacing:-.8px;color:var(--teal)}.scoreboard>div:nth-child(2) strong{color:var(--cream)}.scoreboard>div:nth-child(3) strong{color:var(--orange)}.board-frame{position:relative;padding:11px;background:linear-gradient(135deg,#304a59,#11222f 30%,#1b2c39 75%,#425361);border:1px solid #587281;box-shadow:0 20px 55px #0008,inset 0 0 0 3px #101e2c;clip-path:polygon(0 0,calc(100% - 14px) 0,100% 14px,100% 100%,14px 100%,0 calc(100% - 14px))}.board{position:relative;width:100%;aspect-ratio:1;background:#07131e;touch-action:none;user-select:none;overflow:hidden}.cells{position:absolute;inset:0;display:grid;grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(4,1fr);gap:8px;padding:5px}.cell{border:1px solid #26394a;background:linear-gradient(135deg,#122331,#0c1c2a);border-radius:4px;box-shadow:inset 0 2px 5px #0004}.tile-layer{position:absolute;inset:0}.tile{position:absolute;display:flex;align-items:center;justify-content:center;flex-direction:column;width:calc((100% - 34px)/4);height:calc((100% - 34px)/4);left:calc(5px + var(--x)*(100% - 2px)/4);top:calc(5px + var(--y)*(100% - 2px)/4);border-radius:5px;transition:left .115s ease-out,top .115s ease-out;font:900 clamp(25px,3.2vw,42px)/1 "Arial Black",Arial;color:#bbf3e6;background:linear-gradient(145deg,#245963,#16424d);border:1px solid #4b8990;box-shadow:inset 0 3px 2px #ffffff13,inset 0 -5px 0 #0003,0 3px 6px #0007}.tile:after{content:"";position:absolute;top:7px;left:9px;width:13px;height:2px;background:currentColor;opacity:.25}.tile[data-value="4"]{background:linear-gradient(145deg,#4baca6,#27776f);color:#e3fff0;border-color:#79cdc5}.tile[data-value="8"]{background:linear-gradient(145deg,#7befd4,#48b5a2);color:#103d41;border-color:#c0ffef}.tile[data-value="16"]{background:linear-gradient(145deg,#8ba5ca,#4c6d98);color:#f4f6fd;border-color:#a5bce3}.tile[data-value="32"]{background:linear-gradient(145deg,#f7cb8b,#ca9a60);color:#3e322b;border-color:#ffe3b9}.tile[data-value="64"]{background:linear-gradient(145deg,#ffa256,#da632b);color:#fff1df;border-color:#ffc782}.tile[data-value="128"]{background:linear-gradient(145deg,#ff7857,#cb432a);color:#fff4e7;border-color:#ffb58f;font-size:34px}.tile[data-value="256"]{background:linear-gradient(145deg,#e99e32,#a86a24);color:#fff8cc;border-color:#ffcf69;font-size:34px}.tile[data-value="512"]{background:linear-gradient(145deg,#ffd05c,#d0942e);color:#5b3c12;border-color:#ffe8a0;font-size:34px}.tile[data-value="1024"],.tile[data-value="2048"],.tile.high{background:linear-gradient(145deg,#ffdf75,#ff9d29);color:#573000;border-color:#fff0b4;font-size:29px;box-shadow:inset 0 3px 2px #fff6,inset 0 -5px 0 #b46e27,0 0 20px #ffb72f55}.tile.wall{background:repeating-linear-gradient(135deg,#1d2a36 0 7px,#26333f 7px 14px);border-color:#536372;color:#90a3b3;font-size:23px;box-shadow:inset 0 0 10px #0006}.tile.spawn{animation:spawn .19s ease-out}.tile.merged{animation:merge .23s ease-out}@keyframes spawn{from{scale:.35;opacity:0}to{scale:1;opacity:1}}@keyframes merge{50%{scale:1.1;filter:brightness(1.3)}}.board-overlay{position:absolute;inset:12px;background:#071522e8;z-index:2;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:25px;backdrop-filter:blur(4px)}.board-overlay[hidden]{display:none}.board-overlay .eyebrow{font-size:8px;letter-spacing:1.5px;color:var(--teal)}.board-overlay h2{font-size:clamp(26px,3.2vw,43px);margin:18px 0 15px;line-height:1.05;font-style:italic}.board-overlay h2 em{color:var(--teal)}.board-overlay p{font-size:12px;margin-bottom:23px}.board-overlay .button{min-width:210px;justify-content:space-between}.overlay-note{font-size:9px;letter-spacing:1.1px;color:#8ca4b8;margin-top:22px}.overlay-note small{display:block;font-size:10px;margin-top:3px;letter-spacing:0}.board-under{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:13px 0;font-size:8px;letter-spacing:1.3px;color:#9bb9c5;min-height:14px}.board-under .live-dot{margin-right:6px}.board-under #gain{color:var(--orange);font-size:10px;font-weight:700}.game-tools{display:grid;grid-template-columns:1fr 1.35fr 1fr;gap:8px}.tool-btn{background:#132535e8;border:1px solid #3d5364;min-height:48px;display:flex;align-items:center;justify-content:center;gap:10px;font-size:9px;font-weight:700;letter-spacing:.7px}.tool-btn>span:first-child{font-size:21px;line-height:1;color:#acccda}.tool-btn small{display:block;font-size:9px;color:#9eb6c3;font-weight:400;letter-spacing:0}.tool-btn b{font:11px monospace;color:var(--teal)}.tool-btn:not(:disabled):hover{border-color:var(--teal)}.pulse-btn.ready{border-color:var(--orange);box-shadow:0 0 18px #ff9b3422}.pulse-btn.ready b,.pulse-btn.ready>span:first-child{color:var(--orange)}.pulse-caption{font-size:9px;text-align:center;color:#7f9aac;margin-top:16px;line-height:1.7}.touch-controls{display:flex;justify-content:center;align-items:center;gap:7px;margin-top:15px}.touch-controls>div{display:flex;flex-direction:column;gap:5px}.touch-controls button{width:47px;height:35px;border:1px solid #4d6474;background:#112432;color:#d0e5eb;font:20px Arial;border-radius:3px;touch-action:manipulation}.touch-controls button:active{background:#2d5c65}.touch-controls p{font-size:8px;letter-spacing:.8px;margin-left:10px}.touch-controls p span{font-size:9px;letter-spacing:0}.session-panel{padding-top:9px}.session-title{font-size:10px;letter-spacing:1.5px;color:#bfcfd8;padding-bottom:15px;border-bottom:1px solid #3b4c58}.session-title>span{font-size:10px;letter-spacing:0;float:right;color:var(--muted)}.run-stat{padding:21px 0;border-bottom:1px solid #2b4050}.run-stat>span{font-size:8px;letter-spacing:1px;color:#a3b6c6}.run-stat small{display:block;letter-spacing:0;font-size:10px}.run-stat strong{display:block;font:900 32px/1 "Arial Black",Arial;color:#d0e0e9;letter-spacing:-1px;margin-top:11px}.run-stat strong span{font:12px Arial;color:#718b9f;letter-spacing:0;margin-left:5px}.run-stat p{font-size:10px;line-height:1.8;margin-top:9px}.outline{background:#102333dc;border-color:#4a6173;width:100%;font-size:10px;min-height:47px;margin-top:20px;justify-content:space-between;gap:7px}.outline small{display:none}.session-panel>.text-btn{width:100%;text-align:left;font-size:8px;margin-top:5px}.mini-support{border-top:1px solid #3c4b51;margin-top:24px;padding-top:23px}.mini-support>span{font-size:24px;display:block;margin-bottom:10px}.mini-support h3{font-size:10px;line-height:1.4;letter-spacing:.8px}.mini-support p{font-size:10px;margin-top:3px}.mini-support a{display:block;font-size:9px;letter-spacing:.7px;color:var(--orange);margin-top:13px;font-weight:700}.mini-support a small{display:block;font-size:10px;font-weight:400;letter-spacing:0;margin-top:4px}.audio-note{text-align:center;font-size:9px;margin-top:25px;color:#839aab}.game-page footer{background:#081322d9}dialog{background:#101f2d;border:1px solid #557181;color:var(--cream);padding:0;max-width:480px;width:calc(100% - 32px);box-shadow:0 30px 100px #000a}dialog::backdrop{background:#030b16bb;backdrop-filter:blur(5px)}.dialog-inner{padding:38px 30px;position:relative}.dialog-close{position:absolute;right:12px;top:7px;background:none;border:0;font-size:25px;color:var(--muted)}dialog h2{font-size:30px;line-height:1.15;margin:16px 0;color:var(--teal)}#dialog-body{font-size:13px;color:#afc0cc;line-height:1.8}#dialog-body strong{color:var(--orange)}#dialog-body p{margin-bottom:12px}#dialog-body ol{padding-left:20px;margin:0}#dialog-body li{margin-bottom:12px}#dialog-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}#dialog-actions .button{font-size:10px;min-height:45px}.result-score{font:900 48px/1.2 "Arial Black",Arial;color:var(--cream);display:block;margin:8px 0 15px}.toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,20px);background:#d9f3e8;color:#0b2a32;padding:12px 20px;font-size:12px;z-index:10;opacity:0;pointer-events:none;transition:.2s;width:max-content;max-width:90vw;text-align:center}.toast.visible{opacity:1;transform:translate(-50%,0)}
html[lang=zh-Hans] h1,html[lang=zh-Hans] h2,html[lang=zh-Hans] h3{letter-spacing:1px}html[lang=zh-Hans] .hero h1{font-size:98px;letter-spacing:-5px}html[lang=zh-Hans] .eyebrow{letter-spacing:1px}html[lang=zh-Hans] .hero-line{line-height:1.6}html[lang=zh-Hans] .mode-card p{font-size:13px}html[lang=zh-Hans] .brand small{letter-spacing:1px}
@media(min-width:1500px){.hero-content{padding-inline:0}.hero{min-height:690px}.hero-content{padding-top:65px}.hero h1{font-size:135px}}
@media(max-width:1100px){.site-header{gap:25px;padding-inline:4%}.brand>span{font-size:15px}.brand small{font-size:7px}.header-actions{gap:15px}.game-layout{gap:23px;grid-template-columns:180px minmax(300px,450px) 160px}.game-page .brand>span{display:none}.game-page .site-header{gap:20px}.mode-tabs button{padding:10px;gap:9px;font-size:9px}.status-strip small{display:none}.game-tools{gap:5px}.tool-btn{gap:6px}.session-panel .eyebrow{font-size:8px}}
@media(max-width:900px){.site-header nav{gap:20px}.brand small{display:none}.game-layout{grid-template-columns:180px minmax(300px,480px);justify-content:center}.session-panel{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;border-top:1px solid var(--line);margin-top:4px;padding-top:18px}.session-title{display:none}.run-stat{padding:0 0 10px}.run-stat:nth-child(4){display:none}.session-panel .outline{margin-top:0;align-self:start}.session-panel>.text-btn{margin-top:0}.mini-support{grid-column:2/-1;margin:0;padding:0;border:0;display:flex;align-items:center;gap:14px}.mini-support>span{margin:0}.mini-support h3{font-size:9px}.mini-support a{margin:0;font-size:8px}.hero{min-height:580px}.hero-art{object-position:60% center}.hero h1{font-size:99px}.hero-shade{background:linear-gradient(90deg,#071427f0,rgba(6,17,33,.6) 40%,transparent 85%)}.hero-content{padding-top:40px}.mode-card{padding:22px 18px 0}.mode-card h3{font-size:18px}.mode-card p{font-size:11px;min-height:76px}.how{gap:35px}.how h2{font-size:29px}.support h2{font-size:21px}.art-caption{right:4%}}
@media(max-width:680px){.site-header{height:80px;padding:0 16px;gap:12px}.brand img{width:53px;height:53px}.brand>span{font-size:12px;letter-spacing:1px}.brand b{display:block;font-size:9px;letter-spacing:3px}.site-header nav{display:none}.header-actions{gap:12px}.music-btn{font-size:0;gap:0}.music-btn>span:first-child{font-size:23px}.music-btn>span+span{display:none}.icon-link{width:20px;height:24px}.icon-link svg{width:18px}.lang-switch button{font-size:9px;padding:5px 6px}.hero{min-height:655px}.hero-art{object-position:62% top;object-fit:cover;opacity:.82}.hero-shade{background:linear-gradient(0deg,#08111e 0%,#071427e8 35%,#07142766 78%,#07142755)}.hero-content{padding:32px 24px 30px}.hero .eyebrow{font-size:8px;letter-spacing:1.5px;gap:10px}.hero h1{font-size:94px;margin-top:117px;margin-bottom:20px;letter-spacing:-5px}.hero-line{font-size:13px}.hero-line br{display:none}.hero-copy{font-size:12px;margin:12px 0 19px}.play-hero{min-height:55px;min-width:225px}.hero-foot{font-size:7px;letter-spacing:.65px;margin-top:17px}.art-caption{top:63px;bottom:auto;right:23px;display:block;text-align:right;font-size:7px}.art-caption strong{display:block;font-size:31px;line-height:1.25}.art-caption>span{display:none}.status-strip{padding:16px 22px;gap:20px;font-size:7px;letter-spacing:.6px;align-items:center}.status-strip>span{gap:6px}.status-strip>span:nth-child(3){display:none}.status-strip strong{font-size:13px}.content-width{width:calc(100% - 40px)}.modes{padding:37px 0}.section-heading{margin-bottom:20px}.section-heading h2{font-size:23px;margin-top:9px;letter-spacing:-.8px}.eyebrow{font-size:8px;letter-spacing:1.4px}.section-heading .tiny-label{display:none}.mode-grid{grid-template-columns:1fr;gap:14px}.mode-card{padding:18px 19px 0;position:relative}.mode-top{position:absolute;right:19px;top:21px;margin:0;gap:18px}.mode-top>span+span{font-size:8px}.mode-glyph{font-size:27px}.mode-card h3{font-size:21px;margin:7px 0 14px;max-width:65%}.mode-card p{font-size:12px;min-height:0;max-width:95%;line-height:1.7}.mode-card h4{margin-top:8px}.mode-bottom{margin-top:16px;min-height:42px}.how{grid-template-columns:1fr;gap:28px;padding:33px 0 36px}.how h2{font-size:31px}.mini-merge{margin-top:22px}.how-steps h3{font-size:11px}.how-steps p{font-size:12px}.support{display:block;padding:31px 0 36px}.support .button{margin-top:23px}.support h2{font-size:22px}.support p{font-size:12px}footer{display:flex;flex-wrap:wrap;gap:13px;padding:22px 20px;font-size:8px}footer>span:nth-child(2){order:3;width:100%;font-size:8px}footer>a{margin-left:auto}.game-page{background-position:center 75px}.game-page .site-header{height:74px;gap:14px}.game-page .brand img{width:50px;height:50px}.game-page .back-link{font-size:8px;margin-left:0}.game-page .header-actions{margin-left:auto;gap:12px}.game-page .brand>span{display:none}.arena{width:calc(100% - 28px);padding-top:20px}.game-heading{margin-bottom:15px;gap:15px}.game-heading h1{font-size:27px;letter-spacing:-1px}.game-heading .eyebrow{font-size:7px;letter-spacing:1.7px}.game-heading .text-btn{font-size:8px;white-space:nowrap}.game-layout{display:flex;flex-direction:column;gap:0}.mission-panel{width:100%;padding:0}.mission-panel>.eyebrow,.objective,.tip{display:none}.mode-tabs{display:grid;grid-template-columns:1fr 1fr 1fr;gap:6px;margin:0 0 16px}.mode-tabs button{min-height:43px;justify-content:center;font-size:8px;padding:10px 3px;gap:5px;letter-spacing:.2px}.mode-tabs b{font-size:9px}.play-panel{width:100%;max-width:480px;margin:auto}.scoreboard{height:65px;margin-bottom:10px}.scoreboard>div{padding:10px 14px}.scoreboard>div+div:before{top:14px;height:33px}.scoreboard span{font-size:7px;letter-spacing:.8px}.scoreboard strong{font-size:24px}.board-frame{padding:8px}.board-overlay{inset:9px;padding:18px}.board-overlay h2{font-size:34px}.board-overlay .eyebrow{font-size:7px}.board-overlay p{font-size:11px;margin-bottom:18px}.board-overlay .button{min-height:49px;min-width:198px;font-size:11px}.overlay-note{font-size:8px;margin-top:18px}.tile{font-size:34px}.tile[data-value="128"],.tile[data-value="256"],.tile[data-value="512"]{font-size:29px}.tile[data-value="1024"],.tile[data-value="2048"],.tile.high{font-size:24px}.tile.wall{font-size:22px}.board-under{margin:11px 0;font-size:7px}.game-tools{gap:7px}.tool-btn{min-height:45px;font-size:9px;gap:7px}.tool-btn>span:first-child{font-size:19px}.touch-controls{margin-top:15px}.touch-controls button{width:51px;height:34px}.pulse-caption{font-size:9px;margin-top:13px}.session-panel{display:grid;grid-template-columns:1fr 1fr;gap:14px;width:100%;margin-top:22px;padding:20px 2px 0}.session-panel .run-stat{display:none}.session-panel .outline{min-height:40px;font-size:9px}.session-panel>.text-btn{text-align:right}.mini-support{grid-column:1/-1;justify-content:space-between;border-top:1px solid var(--line);padding-top:17px}.mini-support h3{font-size:9px}.mini-support>span{font-size:20px}.mini-support a{font-size:8px}.audio-note{font-size:8px;margin:17px 3px 0}.game-page footer{margin-top:5px;font-size:7px;gap:10px}.game-page footer>a{margin-left:0}.game-page footer>a:last-child{margin-left:auto}html[lang=zh-Hans] .hero h1{font-size:88px;letter-spacing:-3px}html[lang=zh-Hans] .hero-line{font-size:15px}html[lang=zh-Hans] .game-heading h1{font-size:28px}html[lang=zh-Hans] .board-overlay h2{font-size:32px}}
@media(max-width:365px){.brand>span{display:none}.hero h1{font-size:86px}.header-actions{gap:11px}.game-heading h1{font-size:23px}.game-heading .text-btn{font-size:7px}.game-page .header-actions{gap:10px}.game-page .back-link{font-size:7px}.board-overlay h2{font-size:28px}.tile{font-size:30px}.tile[data-value="1024"],.tile[data-value="2048"],.tile.high{font-size:21px}.scoreboard>div{padding:10px 11px}.scoreboard strong{font-size:21px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.button:hover,.mode-card:hover{transform:none}}

/* Always-visible community links on the home screen. */
.community-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:12px 5%;background:#101e2d;border-bottom:1px solid #314656}
.community-label{font-size:10px;font-weight:700;letter-spacing:1.6px;color:#b6cbd8}
.community-links{display:flex;align-items:center;gap:12px}
.community-links a{display:flex;align-items:center;justify-content:center;gap:10px;padding:10px 15px;border:1px solid #3c5a6b;background:#172d3c;font-size:11px;font-weight:700;letter-spacing:.5px;min-height:42px;transition:background .15s,border-color .15s}
.community-links a:hover{background:#234657;border-color:var(--teal)}
.community-links svg{width:18px;height:18px;fill:#8ec9ff}
.community-links b{font-size:15px;margin-left:3px;font-weight:400}
.community-links .community-kofi{border-color:#886334;background:#30291e;color:#ffcf8e}
.community-links .community-kofi:hover{background:#49351e;border-color:var(--orange)}
@media(max-width:680px){.community-bar{display:block;padding:10px 16px}.community-label{display:none}.community-links{display:grid;grid-template-columns:1fr 1fr;gap:8px}.community-links a{font-size:9px;letter-spacing:.1px;padding:9px 6px;gap:7px}.community-links svg{width:15px;height:15px}.community-links b{font-size:12px;margin-left:0}}
@media(max-width:365px){.community-links a{font-size:8px;gap:5px}}