:root{color-scheme:dark;--ink: #eafcff;--muted: #8ba1b9;--cyan: #54f7ff;--cyan-soft: rgba(84, 247, 255, .16);--magenta: #ff36d2;--violet: #8f5cff;--amber: #ffb45e;--red: #ff3d6e;--panel: rgba(7, 12, 24, .82);--line: rgba(144, 241, 255, .2);--safe-top: env(safe-area-inset-top, 0px);--safe-right: env(safe-area-inset-right, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-left: env(safe-area-inset-left, 0px);--display-font: "DIN Alternate", "Avenir Next Condensed", "Arial Narrow", "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif;--body-font: "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif}*{box-sizing:border-box}html,body{width:100%;height:100%;margin:0;padding:0;overscroll-behavior:none;background:#04060d;color:var(--ink);font-family:var(--body-font);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}body{position:fixed;inset:0;overflow:hidden;touch-action:none;user-select:none;-webkit-user-select:none}button{color:inherit;font:inherit;border:0;padding:0;background:transparent;cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent}svg{display:block;width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.is-hidden{display:none!important}#app{position:relative;width:100%;height:100%;height:100dvh;overflow:hidden;isolation:isolate;background:radial-gradient(circle at 50% 88%,rgba(10,228,255,.15),transparent 35%),#04060d}#game{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none;outline:none}.fx{position:absolute;inset:0;pointer-events:none;z-index:2}.fx-vignette{background:linear-gradient(180deg,rgba(2,3,12,.4) 0%,transparent 18%,transparent 68%,rgba(2,3,10,.56) 100%),radial-gradient(ellipse at center,transparent 46%,rgba(0,2,8,.58) 120%)}.fx-scanlines{opacity:.08;background-image:repeating-linear-gradient(to bottom,rgba(190,250,255,.35) 0,rgba(190,250,255,.35) 1px,transparent 1px,transparent 4px);mix-blend-mode:soft-light}.fx-speed-tint{opacity:0;background:radial-gradient(ellipse at 50% 90%,rgba(84,247,255,.2),transparent 36%),linear-gradient(180deg,transparent 45%,rgba(255,54,210,.08) 100%);transition:opacity .4s ease}body.is-boosting .fx-speed-tint{opacity:1}body.is-crashing .fx-vignette{background:radial-gradient(ellipse at center,transparent 20%,rgba(90,0,20,.58) 100%),linear-gradient(180deg,rgba(2,3,12,.45),transparent 35%,rgba(90,0,15,.35))}.hud{position:absolute;z-index:20;top:0;left:0;right:0;display:grid;grid-template-columns:minmax(92px,1fr) auto minmax(112px,1fr);align-items:start;gap:5px;padding:calc(var(--safe-top) + 11px) calc(var(--safe-right) + 14px) 0 calc(var(--safe-left) + 14px);pointer-events:none;text-shadow:0 1px 12px rgba(0,0,0,.7)}.hud:after{content:"";position:absolute;top:calc(var(--safe-top) + 3px);left:50%;width:42%;height:1px;transform:translate(-50%);background:linear-gradient(90deg,transparent,rgba(84,247,255,.45),transparent)}.hud-block{display:flex;flex-direction:column;min-width:0}.hud-kicker{color:#aef0ff9e;font-family:var(--display-font);font-size:8px;font-weight:700;letter-spacing:.17em;line-height:1.2;white-space:nowrap}.hud-score strong{margin-top:1px;font-family:var(--display-font);font-size:clamp(21px,6vw,28px);font-weight:700;letter-spacing:.03em;line-height:1;font-variant-numeric:tabular-nums;color:#f4feff;text-shadow:0 0 16px rgba(84,247,255,.4)}.hud-sub{margin-top:5px;color:#93a8bf;font-size:9px;letter-spacing:.08em}.hud-sub b{color:var(--cyan);font-family:var(--display-font);font-size:12px}.hud-center{display:flex;flex-direction:column;align-items:center;padding-top:2px;white-space:nowrap}.hud-distance{display:flex;align-items:baseline;gap:2px;color:#fff;font-family:var(--display-font);font-size:16px;font-weight:700;letter-spacing:.04em;line-height:1;font-variant-numeric:tabular-nums}.hud-distance span{color:var(--cyan);font-size:8px;letter-spacing:.12em}.hud-overtakes{margin-top:6px;color:#91a4ba;font-size:8px;letter-spacing:.11em}.hud-overtakes b{color:#f6fdff;font-family:var(--display-font);font-size:11px}.hud-relative{margin-top:5px;padding:2px 7px;border:1px solid rgba(84,247,255,.15);border-radius:2px;color:#7eebffb8;background:#04101e61;font-size:7px;letter-spacing:.06em;max-width:132px;overflow:hidden;text-overflow:ellipsis}.hud-speed{align-items:flex-end;text-align:right}.hud-speed strong{display:flex;align-items:baseline;gap:3px;font-family:var(--display-font);font-size:clamp(20px,5.8vw,27px);line-height:1;color:#fff;font-variant-numeric:tabular-nums}.hud-speed strong b{font-weight:700;letter-spacing:.02em}.hud-speed strong span{color:#9fe0efb3;font-family:var(--body-font);font-size:7px;font-weight:500;letter-spacing:.03em}.hud-speed-bar{margin-top:6px;width:min(30vw,94px);height:3px;overflow:hidden;background:#7cc9e421;clip-path:polygon(3px 0,100% 0,calc(100% - 3px) 100%,0 100%)}.hud-speed-bar i{display:block;width:0%;height:100%;background:linear-gradient(90deg,var(--cyan),#e7ffff 65%,var(--magenta));box-shadow:0 0 9px var(--cyan);transition:width .15s linear}.hud-actions{display:flex;gap:6px;margin-top:7px;pointer-events:auto}.icon-btn{display:grid;width:30px;height:30px;place-items:center;border:1px solid rgba(112,231,255,.22);border-radius:2px;color:#cdf6ffc7;background:#050e1c8c;backdrop-filter:blur(8px);transition:.16s ease}.icon-btn svg{width:15px;height:15px}.icon-btn:active{transform:scale(.94);color:#fff;border-color:var(--cyan);box-shadow:0 0 16px #54f7ff33}.icon-btn.is-muted{color:#7a8a9b73}.icon-btn.is-muted .sound-wave{display:none}.sensor-pill{position:absolute;z-index:24;top:calc(var(--safe-top) + 91px);left:50%;display:flex;align-items:center;gap:6px;transform:translate(-50%);padding:5px 8px;border:1px solid rgba(94,177,202,.16);border-radius:3px;background:#040a1575;color:#add2df9e;font-size:8px;letter-spacing:.08em;white-space:nowrap;backdrop-filter:blur(8px);pointer-events:auto}.sensor-dot{width:5px;height:5px;border-radius:50%;background:#718196}.sensor-pill.is-active{color:#acfffacc;border-color:#54f7ff47}.sensor-pill.is-active .sensor-dot{background:var(--cyan);box-shadow:0 0 8px var(--cyan);animation:sensor-breathe 2.4s ease-in-out infinite}.sensor-pill.is-warn .sensor-dot{background:var(--amber)}.sensor-calibrate{display:none;margin-left:2px;padding-left:6px;border-left:1px solid rgba(84,247,255,.2);color:var(--cyan);font-size:8px;letter-spacing:.08em}.sensor-pill.is-active .sensor-calibrate{display:inline}@keyframes sensor-breathe{0%,to{opacity:.55}50%{opacity:1}}.warning-banner{position:absolute;z-index:22;top:31%;left:50%;display:flex;align-items:center;gap:9px;transform:translate(-50%,-6px);padding:8px 14px 8px 9px;border:1px solid rgba(255,177,91,.58);color:#ffe6c2;background:linear-gradient(90deg,#2c1107d1,#180c08b8);clip-path:polygon(6px 0,100% 0,calc(100% - 6px) 100%,0 100%);font-size:10px;letter-spacing:.11em;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .24s ease,transform .24s ease}.warning-banner.is-visible{opacity:1;transform:translate(-50%);animation:warning-pulse 1s ease-in-out infinite}.warning-icon{display:grid;width:16px;height:16px;place-items:center;border:1px solid var(--amber);border-radius:50%;font-family:var(--display-font);font-size:10px;font-weight:700;color:var(--amber)}@keyframes warning-pulse{0%,to{box-shadow:0 0 #ffaa4a00}50%{box-shadow:0 0 22px #ffaa4a3d}}.combo-flash{position:absolute;z-index:23;top:38%;left:50%;display:flex;flex-direction:column;align-items:center;transform:translate(-50%,8px) scale(.92);opacity:0;pointer-events:none;text-align:center;text-shadow:0 0 18px rgba(255,54,210,.65)}.combo-flash.is-visible{animation:combo-pop 1.1s cubic-bezier(.2,.8,.2,1) both}.combo-flash span{color:var(--magenta);font-size:9px;font-weight:700;letter-spacing:.32em}.combo-flash strong{font-family:var(--display-font);font-size:clamp(36px,12vw,54px);font-style:italic;font-weight:700;line-height:.96;color:#fff;text-shadow:0 0 12px rgba(255,54,210,.9),3px 2px 0 rgba(84,247,255,.4)}.combo-flash small{margin-top:2px;color:var(--cyan);font-family:var(--display-font);font-size:12px;letter-spacing:.1em}@keyframes combo-pop{0%{opacity:0;transform:translate(-50%,18px) scale(.78)}15%{opacity:1;transform:translate(-50%) scale(1.06)}30%{transform:translate(-50%) scale(1)}75%{opacity:1}to{opacity:0;transform:translate(-50%,-22px) scale(.96)}}.overtake-flash{position:absolute;z-index:22;top:46%;left:calc(var(--safe-left) + 16px);display:flex;flex-direction:column;gap:1px;padding-left:9px;border-left:2px solid var(--cyan);opacity:0;pointer-events:none;text-shadow:0 1px 10px rgba(0,0,0,.8);transform:translate(-8px)}.overtake-flash.is-visible{animation:overtake-swipe .95s cubic-bezier(.2,.8,.2,1) both}.overtake-flash span{color:var(--cyan);font-family:var(--display-font);font-size:6px;font-weight:700;letter-spacing:.28em}.overtake-flash b{color:#eefeffe6;font-size:10px;font-weight:600;letter-spacing:.04em}.overtake-flash em{color:var(--magenta);font-family:var(--display-font);font-size:11px;font-style:normal;font-weight:700;letter-spacing:.06em}@keyframes overtake-swipe{0%{opacity:0;transform:translate(-12px)}14%{opacity:1;transform:translate(0)}70%{opacity:1}to{opacity:0;transform:translate(7px)}}.toast{position:absolute;z-index:23;top:calc(var(--safe-top) + 118px);left:50%;transform:translate(-50%,-6px);padding:6px 12px;border:1px solid rgba(84,247,255,.18);border-radius:2px;color:#c9f9ff;background:#040f1bc2;font-size:9px;letter-spacing:.1em;white-space:nowrap;opacity:0;pointer-events:none;transition:.2s ease;backdrop-filter:blur(8px)}.toast.is-visible{opacity:1;transform:translate(-50%)}.controls{position:absolute;z-index:25;left:0;right:0;bottom:calc(var(--safe-bottom) + 13px);display:grid;grid-template-columns:1fr auto 1fr;align-items:end;gap:4px;padding:0 calc(var(--safe-right) + 15px) 0 calc(var(--safe-left) + 15px);pointer-events:none}.controls>*{pointer-events:auto}.lane-controls{display:flex;gap:7px;align-items:flex-end;padding-bottom:4px}.control-btn{border:1px solid rgba(126,226,247,.24);background:linear-gradient(180deg,#091627bd,#040b15cc);color:#d2f9ffdb;backdrop-filter:blur(8px);box-shadow:inset 0 1px #b0faff14,0 8px 22px #00000040;transition:transform .12s ease,border-color .12s ease,background .12s ease}.control-btn:active{transform:scale(.92);border-color:#54f7ffcc;background:#0c3040d6}.lane-btn{display:grid;width:47px;height:54px;place-items:center;border-radius:6px;clip-path:polygon(6px 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%,0 6px)}.lane-btn svg{width:24px;height:24px;filter:drop-shadow(0 0 6px rgba(84,247,255,.4))}.brake-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;width:47px;height:54px;justify-self:end;margin-bottom:4px;border-radius:6px;clip-path:polygon(6px 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%,0 6px)}.brake-btn svg{width:20px;height:20px}.brake-btn span{font-size:7px;letter-spacing:.1em;color:#d7f0f799}.power-controls{display:flex;flex-direction:column;align-items:center;gap:7px;min-width:128px}.energy-panel{width:126px}.energy-label{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px;color:#afdbe9a3;font-size:7px;letter-spacing:.11em}.energy-label b{color:var(--cyan);font-family:var(--display-font);font-size:9px;font-weight:600}.energy-track{position:relative;height:4px;overflow:hidden;background:#73bdd124;clip-path:polygon(2px 0,100% 0,calc(100% - 2px) 100%,0 100%)}.energy-track:after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,transparent 0,transparent 18%,rgba(3,10,17,.8) 18%,rgba(3,10,17,.8) 21%);pointer-events:none}.energy-track i{display:block;width:100%;height:100%;background:linear-gradient(90deg,#167cff,var(--cyan) 70%,#d8ffff);box-shadow:0 0 10px var(--cyan);transition:width .16s linear,background .2s ease}.energy-track.is-low i{background:linear-gradient(90deg,#ff7a27,var(--amber));box-shadow:0 0 10px var(--amber)}.thrust-btn{position:relative;display:flex;width:92px;height:92px;flex-direction:column;align-items:center;justify-content:center;gap:1px;border:1px solid rgba(146,251,255,.56);border-radius:50%;color:#f3ffff;background:radial-gradient(circle at 50% 34%,rgba(136,255,255,.25),transparent 36%),radial-gradient(circle at 50% 100%,#125d97e6,#04111ff2 72%);box-shadow:inset 0 0 22px #54f7ff24,0 0 0 5px #54f7ff0a,0 0 28px #27d5ff38;isolation:isolate;transition:transform .12s ease,box-shadow .2s ease,border-color .2s ease}.thrust-btn:active{transform:scale(.94);box-shadow:inset 0 0 28px #54f7ff42,0 0 0 6px #54f7ff14,0 0 42px #27d5ff66}.thrust-btn.is-ready{animation:thrust-ready 2.4s ease-in-out infinite}.thrust-btn.is-disabled{border-color:#809dab3d;box-shadow:none;opacity:.5}@keyframes thrust-ready{0%,to{box-shadow:inset 0 0 22px #54f7ff1f,0 0 0 5px #54f7ff08,0 0 24px #27d5ff2b}50%{box-shadow:inset 0 0 26px #54f7ff3b,0 0 0 8px #54f7ff0a,0 0 38px #27d5ff52}}.thrust-ring{position:absolute;inset:-6px;border:1px solid rgba(84,247,255,.22);border-radius:50%;border-top-color:var(--cyan);border-right-color:#ff36d280;pointer-events:none}.thrust-btn.is-boosting .thrust-ring{animation:thrust-spin .8s linear infinite}@keyframes thrust-spin{to{transform:rotate(360deg)}}.thrust-icon{width:26px;height:26px;margin-bottom:1px;filter:drop-shadow(0 0 8px rgba(84,247,255,.65))}.thrust-icon svg{stroke-width:1.4}.thrust-copy{display:flex;flex-direction:column;line-height:1}.thrust-copy b{font-size:10px;font-weight:600;letter-spacing:.08em}.thrust-copy small{margin-top:4px;color:#9ff0ff8a;font-family:var(--display-font);font-size:5.5px;font-weight:600;letter-spacing:.1em}.thrust-cooldown{position:absolute;inset:0;display:none;align-items:center;justify-content:center;border-radius:50%;color:#e2faffcc;background:conic-gradient(#030b15c7 0deg 0deg);font-family:var(--display-font);font-size:17px;font-weight:700}.thrust-cooldown.is-visible{display:flex}.screen{position:absolute;z-index:50;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:calc(var(--safe-top) + 18px) calc(var(--safe-right) + 18px) calc(var(--safe-bottom) + 18px) calc(var(--safe-left) + 18px);overflow:hidden}.start-screen{align-items:stretch;padding:calc(var(--safe-top) + 14px) calc(var(--safe-right) + 17px) calc(var(--safe-bottom) + 15px) calc(var(--safe-left) + 17px);background:linear-gradient(90deg,#03050ee8,#030610a6 53%,#03050d38),linear-gradient(180deg,rgba(3,4,12,.74) 0%,transparent 32%,transparent 67%,rgba(3,4,10,.92) 100%)}.start-screen:before{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,transparent 0 9%,rgba(84,247,255,.055) 9.1%,transparent 9.3%),radial-gradient(ellipse at 68% 52%,rgba(82,238,255,.1),transparent 34%),radial-gradient(ellipse at 90% 72%,rgba(255,40,208,.09),transparent 28%)}.screen-frame{position:relative;z-index:2;display:flex;width:100%;max-width:510px;height:100%;max-height:920px;flex-direction:column;margin:0 auto}.start-topline{display:flex;align-items:center;justify-content:space-between;gap:8px;padding-bottom:9px;border-bottom:1px solid rgba(84,247,255,.14);color:#b3e1eea3;font-family:var(--display-font);font-size:7px;font-weight:600;letter-spacing:.13em}.tech-label{display:flex;align-items:center;gap:5px;color:#b3f0ffcc;white-space:nowrap}.tech-label i{width:5px;height:5px;border-radius:50%;background:var(--cyan);box-shadow:0 0 7px var(--cyan)}.start-lang{color:#83a1b573;font-size:6px;white-space:nowrap}.hero-copy{margin-top:clamp(22px,6vh,56px);max-width:470px}.eyebrow{margin:0 0 8px;color:var(--magenta);font-family:var(--display-font);font-size:clamp(7px,1.8vw,9px);font-weight:700;letter-spacing:.28em;text-shadow:0 0 12px rgba(255,54,210,.4)}.game-title{display:flex;flex-direction:column;margin:0;font-family:var(--display-font);font-size:clamp(43px,14.8vw,82px);font-style:italic;font-weight:700;letter-spacing:-.055em;line-height:.79;text-transform:uppercase}.title-neon{color:#f3feff;-webkit-text-stroke:1px rgba(164,251,255,.36);text-shadow:0 0 4px rgba(213,255,255,.48),0 0 24px rgba(66,238,255,.26)}.title-roadster{margin-left:.04em;color:transparent;-webkit-text-stroke:1px rgba(124,250,255,.84);background:linear-gradient(180deg,#ffffff08,#54f7ff17);-webkit-background-clip:text;background-clip:text;text-shadow:0 0 30px rgba(84,247,255,.2)}.cn-title{display:flex;align-items:center;gap:7px;margin-top:13px;color:#dffbff;font-family:var(--display-font);font-size:clamp(16px,5vw,22px);font-weight:700;letter-spacing:.46em;text-shadow:0 0 15px rgba(84,247,255,.18)}.cn-title:before{content:"";width:23px;height:1px;background:var(--magenta);box-shadow:0 0 8px var(--magenta)}.cn-title span{color:var(--cyan)}.hero-sub{margin:clamp(10px,2.4vh,18px) 0 0;max-width:340px;color:#b1ceddb8;font-size:clamp(10px,3vw,12px);line-height:1.75;letter-spacing:.06em}.feature-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:clamp(18px,4.5vh,36px);border-top:1px solid rgba(84,247,255,.14);border-bottom:1px solid rgba(84,247,255,.09)}.feature-strip>div{position:relative;display:flex;flex-direction:column;gap:2px;padding:10px 6px;text-align:center}.feature-strip>div+div:before{content:"";position:absolute;top:9px;bottom:9px;left:0;width:1px;background:#54f7ff1f}.feature-strip b{color:#ddfcffeb;font-family:var(--display-font);font-size:clamp(13px,3.9vw,17px);font-weight:700;letter-spacing:.04em;line-height:1}.feature-strip>div:nth-child(2) b{color:var(--cyan)}.feature-strip>div:nth-child(3) b{color:#e7bbff}.feature-strip span{color:#85abc08a;font-size:7px;letter-spacing:.09em}.start-actions{margin-top:auto;padding-top:clamp(13px,3vh,24px)}.start-btn{position:relative;display:flex;width:100%;max-width:372px;height:58px;align-items:center;justify-content:space-between;overflow:hidden;padding:0 19px 0 21px;border:1px solid rgba(149,255,255,.76);clip-path:polygon(0 0,calc(100% - 13px) 0,100% 13px,100% 100%,13px 100%,0 calc(100% - 13px));color:#06111c;background:linear-gradient(100deg,#d8ffff,#75f6ff 31%,#49d9ff 63%,#c7feff);box-shadow:0 0 28px #54f7ff3d,0 8px 40px #0c73b42e;transition:transform .15s ease,filter .15s ease}.start-btn:active{transform:scale(.985);filter:brightness(1.08)}.start-btn:disabled{cursor:wait;opacity:.7}.start-btn-glow{position:absolute;top:-80%;left:-18%;width:34%;height:260%;transform:rotate(20deg);background:linear-gradient(90deg,transparent,rgba(255,255,255,.55),transparent);animation:button-sheen 3.8s ease-in-out infinite}@keyframes button-sheen{0%,58%{left:-24%;opacity:0}64%{opacity:.7}90%,to{left:112%;opacity:0}}.start-btn-copy{position:relative;z-index:1;display:flex;flex-direction:column;align-items:flex-start;gap:2px}.start-btn-copy b{font-size:17px;font-weight:800;letter-spacing:.17em}.start-btn-copy small{font-family:var(--display-font);font-size:7px;font-weight:700;letter-spacing:.21em;opacity:.58}.start-btn>svg{position:relative;z-index:1;width:23px;height:23px;stroke-width:2}.sensor-note{max-width:350px;margin:9px 0 0;color:#80a6ba94;font-size:8px;line-height:1.65;letter-spacing:.035em}.control-guide{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;margin-top:clamp(13px,3.3vh,25px);padding-top:13px;border-top:1px solid rgba(84,247,255,.1)}.guide-item{display:flex;align-items:center;gap:6px;min-width:0;padding-right:4px}.guide-icon{display:grid;width:23px;height:23px;flex:0 0 auto;place-items:center;border:1px solid rgba(84,247,255,.22);border-radius:2px;color:var(--cyan);font-family:var(--display-font);font-size:12px;background:#54f7ff09}.guide-item>div{display:flex;flex-direction:column;gap:1px;min-width:0}.guide-item b{overflow:hidden;color:#d2f2fac7;font-size:7px;font-weight:600;letter-spacing:.025em;text-overflow:ellipsis;white-space:nowrap}.guide-item small{overflow:hidden;color:#7697ab85;font-size:6.5px;letter-spacing:.03em;text-overflow:ellipsis;white-space:nowrap}.screen-corner{position:absolute;z-index:3;width:34px;height:34px;pointer-events:none;border-color:#54f7ff42;border-style:solid}.corner-tl{top:calc(var(--safe-top) + 12px);left:calc(var(--safe-left) + 12px);border-width:1px 0 0 1px}.corner-br{right:calc(var(--safe-right) + 12px);bottom:calc(var(--safe-bottom) + 12px);border-width:0 1px 1px 0}.pause-screen,.gameover-screen{z-index:60;background:#02040b99;backdrop-filter:blur(8px)}.panel{position:relative;width:min(92vw,390px);padding:26px 23px 22px;border:1px solid rgba(84,247,255,.24);background:linear-gradient(155deg,#0b182af0,#040812f5 58%),var(--panel);clip-path:polygon(0 0,calc(100% - 18px) 0,100% 18px,100% 100%,18px 100%,0 calc(100% - 18px));box-shadow:0 34px 90px #0000008c,inset 0 1px #bffcff14,0 0 34px #20b8e814}.panel:before{content:"";position:absolute;top:0;left:24px;width:54px;height:2px;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}.panel-kicker{margin:0 0 7px;color:var(--cyan);font-family:var(--display-font);font-size:8px;font-weight:700;letter-spacing:.25em}.panel-kicker.danger{color:var(--red)}.panel h2{margin:0;font-family:var(--display-font);font-size:clamp(28px,8vw,38px);font-weight:700;letter-spacing:.06em;line-height:1.05}.panel-copy{margin:10px 0 0;color:#a4c1d0ad;font-size:10px;line-height:1.7;letter-spacing:.04em}.pause-stats{display:grid;grid-template-columns:1fr 1fr;gap:1px;margin:20px 0;background:#54f7ff1a}.pause-stats>div{display:flex;flex-direction:column;gap:4px;padding:12px;background:#050c17eb}.pause-stats span,.result-grid span{color:#84a2b5a3;font-size:8px;letter-spacing:.08em}.pause-stats b{color:#efffff;font-family:var(--display-font);font-size:18px;font-weight:600}.primary-btn{display:flex;width:100%;height:50px;align-items:center;justify-content:center;margin-top:9px;border:1px solid rgba(146,253,255,.75);clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,10px 100%,0 calc(100% - 10px));color:#04121a;background:linear-gradient(100deg,#bdfeff,#5deaff 58%,#d4feff);font-size:13px;font-weight:800;letter-spacing:.17em;transition:transform .14s ease,filter .14s ease}.primary-btn:active{transform:scale(.985);filter:brightness(1.08)}.pause-links{display:flex;justify-content:space-between;margin-top:13px}.text-btn{color:#94c6d69e;font-size:9px;letter-spacing:.06em;border-bottom:1px solid transparent;padding-bottom:2px}.text-btn:active{color:var(--cyan);border-bottom-color:#54f7ff66}.key-hint{margin:12px 0 0;color:#7793a66b;font-family:var(--display-font);font-size:7px;letter-spacing:.1em;text-align:center}.result-score{position:relative;display:flex;flex-direction:column;align-items:center;margin:17px 0 14px;padding:17px 12px 13px;border-top:1px solid rgba(84,247,255,.12);border-bottom:1px solid rgba(84,247,255,.08)}.result-score>span{color:#90b6c7b3;font-size:8px;letter-spacing:.18em}.result-score strong{color:#f4ffff;font-family:var(--display-font);font-size:clamp(40px,12vw,54px);font-weight:700;letter-spacing:.03em;line-height:1.1;text-shadow:0 0 22px rgba(84,247,255,.26);font-variant-numeric:tabular-nums}.result-score small{color:var(--cyan);font-family:var(--display-font);font-size:8px;letter-spacing:.12em}.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;margin-bottom:13px;background:#54f7ff17}.result-grid>div{display:flex;flex-direction:column;gap:3px;padding:9px 12px;background:#050c17f0}.result-grid b{color:#e8fbff;font-family:var(--display-font);font-size:14px;font-weight:600;letter-spacing:.02em}.gameover-panel:before{background:var(--red);box-shadow:0 0 12px var(--red)}.gameover-panel .result-score strong{text-shadow:0 0 22px rgba(255,61,110,.25)}.countdown{position:absolute;z-index:40;top:50%;left:50%;display:flex;flex-direction:column;align-items:center;transform:translate(-50%,-50%);pointer-events:none;text-align:center}.countdown:before{content:"";position:absolute;top:50%;left:50%;width:min(56vw,240px);aspect-ratio:1;transform:translate(-50%,-50%);border:1px solid rgba(84,247,255,.14);border-radius:50%;box-shadow:inset 0 0 50px #54f7ff0d,0 0 50px #54f7ff0a}.countdown span{color:var(--cyan);font-size:9px;font-weight:700;letter-spacing:.32em;text-shadow:0 0 14px rgba(84,247,255,.55)}.countdown strong{position:relative;color:#f5ffff;font-family:var(--display-font);font-size:clamp(92px,29vw,148px);font-style:italic;font-weight:700;line-height:.9;text-shadow:0 0 24px rgba(84,247,255,.4),5px 4px 0 rgba(255,54,210,.18)}.countdown strong.is-go{font-size:clamp(42px,13vw,66px);font-style:normal;letter-spacing:.1em;color:var(--cyan)}@media(max-height:700px){.hero-copy{margin-top:17px}.hero-sub{margin-top:8px;line-height:1.55}.feature-strip{margin-top:14px}.control-guide{margin-top:10px;padding-top:9px}.start-btn{height:51px}.sensor-note{display:none}.cn-title{margin-top:9px}}@media(max-width:380px){.start-lang{display:none}.hud{padding-left:calc(var(--safe-left) + 10px);padding-right:calc(var(--safe-right) + 10px)}.hud-kicker{font-size:6.5px}.hud-sub{font-size:7px}.hero-copy{margin-top:20px}.control-guide{grid-template-columns:repeat(3,1fr)}.desktop-only{display:none}.lane-btn,.brake-btn{width:42px;height:49px}.controls{padding-left:calc(var(--safe-left) + 11px);padding-right:calc(var(--safe-right) + 11px)}.power-controls{min-width:112px}.energy-panel{width:110px}.thrust-btn{width:82px;height:82px}.thrust-copy b{font-size:9px}}@media(max-height:520px)and (orientation:landscape){.controls{grid-template-columns:1fr auto auto;gap:9px;bottom:calc(var(--safe-bottom) + 7px);padding-left:calc(var(--safe-left) + 12px);padding-right:calc(var(--safe-right) + 12px)}.lane-controls{padding-bottom:1px}.lane-btn,.brake-btn{width:43px;height:47px}.power-controls{min-width:112px;gap:4px}.energy-panel{width:108px}.thrust-btn{width:74px;height:74px}.thrust-icon{width:20px;height:20px}.thrust-copy b{font-size:9px}.thrust-copy small{display:none}.sensor-pill{top:calc(var(--safe-top) + 82px)}}@media(max-height:520px)and (orientation:landscape){.start-screen{padding:calc(var(--safe-top) + 8px) calc(var(--safe-right) + 16px) calc(var(--safe-bottom) + 8px) calc(var(--safe-left) + 16px)}.start-topline{padding-bottom:5px}.hero-copy{margin-top:9px}.eyebrow{margin-bottom:4px}.game-title{flex-direction:row;gap:.16em;font-size:clamp(30px,9.4vh,44px);letter-spacing:-.04em;line-height:.85}.title-roadster{margin-left:0}.cn-title{margin-top:7px;font-size:15px}.hero-sub,.feature-strip,.control-guide,.sensor-note{display:none}.start-actions{margin-top:auto;padding-top:6px}.start-btn{width:min(100%,330px);height:45px}.start-btn-copy b{font-size:15px}.screen-corner{width:24px;height:24px}}@media(min-width:700px){.screen-frame{max-width:560px}.start-screen{background:linear-gradient(90deg,#03050ee0,#0306109c 55%,#03050d40),linear-gradient(180deg,rgba(3,4,12,.58) 0%,transparent 34%,transparent 68%,rgba(3,4,10,.88) 100%)}.controls{max-width:760px;margin:0 auto}.hud{max-width:900px;margin:0 auto}}@media(hover:hover)and (pointer:fine){.icon-btn:hover,.control-btn:hover{border-color:#54f7ff8c;color:#fff}.start-btn:hover{filter:brightness(1.06)}.desktop-only{display:flex}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important}}