:root{color-scheme:dark;--bg:#08090b;--panel:#111316;--muted:#85898e;--line:#2b2e32;--white:#f2f3f4;--red:#e74748;font-family:Inter,"Noto Sans TC","Microsoft JhengHei",system-ui,sans-serif;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--white)}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;color:inherit}button:focus-visible,a:focus-visible{outline:2px solid white;outline-offset:4px}button{border:0}button[hidden],[hidden]{display:none!important}.game-shell{max-width:1600px;margin:auto;padding:0 40px}.masthead{height:86px;display:flex;align-items:center;justify-content:space-between}.wordmark{color:var(--white);text-decoration:none;font-size:20px;letter-spacing:3px;font-weight:650;display:flex;align-items:center;gap:14px}.mark{font-size:40px;font-weight:300;line-height:1}.edition{font-size:9px;color:var(--muted);letter-spacing:2px;padding-left:18px;border-left:1px solid var(--line);margin-left:6px}.header-actions{display:flex;gap:10px;align-items:center}.local-tag{font-size:9px;letter-spacing:2px;color:var(--muted);margin-right:16px}.icon-button{width:32px;height:32px;border:1px solid var(--line);background:none;border-radius:50%;font-size:14px}.icon-button:hover{background:#24272b}.arena{height:clamp(420px,55vw,600px);position:relative;overflow:hidden;background:#0b0d10;border:1px solid #292b30;border-radius:3px}canvas{display:block;width:100%;height:100%}.scene-grain{position:absolute;inset:0;pointer-events:none;opacity:.04;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' opacity='.7' filter='url(%23n)'/%3E%3C/svg%3E")}.hud{position:absolute;left:30px;right:30px;top:26px;display:flex;gap:34px;pointer-events:none}.eyebrow{display:block;color:var(--muted);font-size:9px;letter-spacing:1.8px;font-weight:500}.metric strong{display:block;font-size:30px;line-height:1.5;font-weight:450;font-variant-numeric:tabular-nums}.metric strong span{font-size:11px;color:#8f9297}.fuel-metric{width:170px;margin-left:auto}.fuel-metric>div:first-child{display:flex;align-items:center;justify-content:space-between}.fuel-metric strong{font-size:17px;font-weight:500;font-variant-numeric:tabular-nums}.fuel-metric strong span{font-size:10px;color:var(--muted)}.fuel-track{height:3px;background:#303237;margin:11px 0 8px}.fuel-track i{display:block;background:#e8eaed;width:100%;height:100%;transition:width .08s linear}.fuel-note{font-size:9px;color:#666c73;letter-spacing:1px}.stage-status{position:absolute;top:105px;left:30px;right:30px;display:flex;align-items:center;gap:12px;font-size:12px;color:#c1c4c9;pointer-events:none}.phase-label{font-size:9px;letter-spacing:1.5px;border:1px solid #383d44;padding:5px 7px;color:#ddd;white-space:nowrap}.height-guide{position:absolute;right:28px;top:42%;display:flex;flex-direction:column;align-items:center;gap:10px;font-size:8px;letter-spacing:2px;color:#5d646c}.height-guide i{height:80px;width:6px;border-top:1px solid #4b5158;border-bottom:1px solid #4b5158;background:repeating-linear-gradient(to bottom,transparent 0 15px,#3c424a 15px 16px)}.course-strip{position:absolute;bottom:24px;left:30px;right:30px}.course-line{height:1px;background:#32363b;position:relative;margin:0 10px 11px}.course-line i{display:block;position:relative;height:1px;background:#d9dde2;width:0%}.course-line i:after{content:"";position:absolute;right:-2px;top:-2px;width:5px;height:5px;background:#f4f4f4;border-radius:50%}#fleet-progress{display:flex;justify-content:space-between}#fleet-progress span{font-size:9px;letter-spacing:1.3px;color:#626971}#fleet-progress span:before{content:"○";margin-right:5px}#fleet-progress span.cleared{color:#e5e8ed}#fleet-progress span.cleared:before{content:"●"}.overlay{position:absolute;inset:0;display:flex;align-items:center;padding:42px 8%;background:linear-gradient(90deg,rgba(6,8,10,.96),rgba(6,8,10,.76) 42%,rgba(6,8,10,.1));backdrop-filter:blur(1px)}.overlay-card{max-width:520px}.overline{color:#a6aab0;font-size:9px;letter-spacing:2.3px;display:flex;align-items:center;gap:9px}.red-dot{background:var(--red);width:5px;height:5px;border-radius:50%;box-shadow:0 0 14px #f34149}h1{font-size:clamp(36px,4.5vw,62px);font-weight:500;letter-spacing:-2px;line-height:1.17;margin:22px 0}h1 span{color:#838b94}.intro-copy{font-size:13px;line-height:1.9;color:#a5abb3;margin:0 0 24px}.mission-summary{display:flex;gap:28px;margin-bottom:28px}.mission-summary span{font-size:9px;color:#8d939b}.mission-summary b{display:block;font-size:21px;font-weight:400;color:#e2e5e9;margin-bottom:7px;letter-spacing:1px}.primary-button{background:#eceeef;color:#131518;display:flex;align-items:center;justify-content:space-between;padding:16px 20px;min-width:250px;font-size:13px;font-weight:600;letter-spacing:1px;transition:background .15s}.primary-button span{font-size:20px;font-weight:400}.primary-button:hover{background:#fff}.start-note{font-size:9px;line-height:1.6;color:#747d87;margin:12px 0 0}.result-card h2,.pause-card h2{font-size:42px;font-weight:450;letter-spacing:-1px;margin:18px 0 12px}.result-card>p{color:#aab0b8;font-size:13px;line-height:1.7;max-width:400px} .result-score{display:flex;align-items:baseline;gap:16px;margin:22px 0}.result-score strong{font-size:54px;font-weight:400;letter-spacing:-2px;font-variant-numeric:tabular-nums}.result-score span{font-size:9px;letter-spacing:2px;color:#7f8993}.result-details{display:flex;gap:20px;margin-bottom:25px}.result-details span{font-size:9px;color:#858f99}.result-details b{display:block;font-weight:450;font-size:15px;margin-top:7px;color:#d8dde3}.instructions{margin:20px 0;padding-left:20px}.instructions li{font-size:11px;line-height:1.8;color:#8f99a4;margin-bottom:10px;padding-left:4px}.instructions b{display:block;color:#e5e7eb;font-weight:500}.instructions span{display:block}.tip{font-size:11px;color:#a8b0bb;line-height:1.8;margin-bottom:20px}.flight-deck{padding:24px 0 0}.deck-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.deck-heading p{font-size:13px;margin:7px 0 0;color:#c3c7cd;letter-spacing:.5px}.best{text-align:right}.best b{display:block;font-size:23px;font-weight:450;letter-spacing:2px;margin-top:4px;font-variant-numeric:tabular-nums}.controls{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.control{text-align:left;background:linear-gradient(125deg,#1a1c20,#111316);border:1px solid #33363b;border-radius:2px;padding:17px 20px 16px;position:relative;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;min-height:112px;transition:border-color .1s,background .1s;overflow:hidden}.control-top{display:flex;justify-content:space-between;align-items:center}.control-top i{font-style:normal;font-size:23px;line-height:1;color:#bec5cc;font-weight:300}.control kbd{font-family:inherit;font-size:9px;letter-spacing:1px;color:#737d88}.control strong{font-size:16px;font-weight:500;letter-spacing:2px;display:block;margin:13px 0 5px}.control small{font-size:9px;color:#7e8793;letter-spacing:.6px}.control.active{background:linear-gradient(125deg,#3b4048,#20252b);border-color:#c3c9d1}.control.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:2px;background:#f4f5f7}.control.roll.completed{border-color:#697580}.control.disabled{opacity:.45}footer{display:flex;justify-content:space-between;font-size:9px;color:#5c626b;padding:20px 0 24px;gap:15px;line-height:1.8}footer i{font-style:normal;margin:0 10px;color:#363b42}footer button{padding:0;background:none;color:#858e98;font-size:9px}footer button:hover{color:#fff}dialog{background:#111419;border:1px solid #3e444d;color:#c5cbd3;max-width:560px;padding:35px;font-size:12px;line-height:1.9}dialog::backdrop{background:#000b;backdrop-filter:blur(6px)}dialog h2{font-size:24px;font-weight:450;color:#f1f3f6}dialog a{color:#ddd}dialog .overline{padding-right:30px}.close-dialog{position:absolute;right:15px;top:10px;background:none;font-size:25px;color:#a1a8b1}.dialog-controls{border-top:1px solid #30363f;padding-top:15px;color:#8b95a1}
@media(min-width:1500px){.game-shell{padding:0 60px}.arena{height:620px}}
@media(max-width:760px){.game-shell{padding:0 16px}.masthead{height:66px}.wordmark{font-size:15px;letter-spacing:2px;gap:8px}.mark{font-size:30px}.edition{font-size:7px;padding-left:11px;margin-left:1px;letter-spacing:1px}.local-tag{display:none}.header-actions{gap:7px}.icon-button{width:29px;height:29px}.arena{height:clamp(390px,56svh,590px)}.hud{left:17px;right:17px;top:18px;gap:22px}.eyebrow{font-size:8px;letter-spacing:1.1px}.metric strong{font-size:24px}.fuel-metric{width:110px}.fuel-metric strong{font-size:15px}.fuel-note{font-size:7px;letter-spacing:.5px}.stage-status{left:17px;right:17px;top:84px;gap:9px;font-size:10px;line-height:1.6}.phase-label{font-size:8px;padding:3px 5px;letter-spacing:.5px}.height-guide{right:15px;top:36%}.height-guide i{height:55px}.course-strip{left:17px;right:17px;bottom:19px}#fleet-progress span{font-size:7px;letter-spacing:.2px}#fleet-progress span:before{margin-right:3px}.overlay{padding:26px 8%;background:linear-gradient(90deg,#07090af5,#07090ac4 70%,#07090a66)}.overline{font-size:7px;letter-spacing:1.5px}h1{font-size:40px;margin:19px 0}.intro-copy{font-size:11px;margin-bottom:20px}.mission-summary{gap:24px;margin-bottom:22px}.mission-summary b{font-size:19px}.mission-summary span{font-size:8px}.primary-button{min-width:225px;padding:13px 18px;font-size:12px}.start-note{font-size:8px;max-width:255px}.deck-heading p{font-size:11px}.flight-deck{padding-top:18px}.deck-heading{margin-bottom:14px}.best b{font-size:20px}.controls{gap:8px}.control{padding:14px 13px;min-height:110px}.control kbd{font-size:7px;letter-spacing:0}.control-top i{font-size:21px}.control strong{font-size:15px;margin-top:13px}.control small{font-size:8px;letter-spacing:0}footer{display:block;font-size:8px;padding:15px 0 max(18px,env(safe-area-inset-bottom))}footer>span{display:block;margin-bottom:3px}footer button{font-size:8px}.result-card h2,.pause-card h2{font-size:33px}.result-card>p{font-size:11px}.result-score{margin:15px 0}.result-score strong{font-size:46px}.result-details{gap:20px;margin-bottom:20px}.instructions{margin:12px 0}.instructions li{font-size:10px;margin-bottom:5px}.tip{font-size:10px;margin-bottom:15px}dialog{max-width:calc(100% - 32px);padding:28px 23px;font-size:11px}.intro-card,.pause-card,.result-card{max-height:100%;overflow:auto;scrollbar-width:thin}}
@media(max-width:370px){.game-shell{padding:0 10px}.edition{display:none}.altitude{display:none}.hud{gap:18px}.arena{height:410px}.control{padding:13px 10px}.control kbd{font-size:6px}.mission-summary{gap:20px}h1{font-size:36px}.overline{font-size:6px}}
@media(max-height:540px) and (orientation:landscape){.game-shell{padding:0 16px}.masthead{height:48px}.arena{height:calc(100svh - 170px);min-height:250px}.hud{top:12px}.stage-status{top:77px}.course-strip{bottom:13px}.overlay{padding:14px 6%}.intro-card h1{font-size:29px;line-height:1.15;margin:10px 0}.intro-copy{font-size:10px;margin-bottom:10px}.mission-summary{display:none}.primary-button{padding:9px 15px;min-width:220px}.start-note{font-size:8px;margin-top:6px}.flight-deck{padding:10px 0}.deck-heading{display:none}.control{min-height:60px;padding:10px 16px;display:flex;align-items:center;gap:15px}.control-top{min-width:75px;gap:10px}.control strong{font-size:13px;margin:0}.control small{font-size:8px}footer{padding:0 0 8px;font-size:7px;display:flex}.result-card h2,.pause-card h2{font-size:25px;margin:10px 0}.result-score{margin:8px 0}.result-score strong{font-size:34px}.result-details{margin-bottom:10px}.instructions{display:grid;grid-template-columns:1fr 1fr;column-gap:25px;font-size:10px}.tip{display:none}.fuel-note{display:none}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}

.metric .descent{display:block;font-size:9px;font-weight:400;line-height:1;letter-spacing:.5px;color:#8d9aa8} @media(max-width:760px){.metric .descent{font-size:7px}}

@media(max-width:760px) and (max-height:700px) and (orientation:portrait){
  .masthead{height:54px}
  .arena{height:calc(100svh - 244px);min-height:280px}
  .hud{top:12px}.stage-status{top:78px}
  .flight-deck{padding-top:12px}.deck-heading{margin-bottom:10px}.deck-heading p{display:none}
  .control{min-height:95px;padding:12px}.control strong{margin-top:10px}
  .overlay{padding:18px 7%}h1{font-size:34px;margin:12px 0}
  .intro-copy{font-size:10px;margin-bottom:12px}.mission-summary{margin-bottom:15px}
  .primary-button{padding:12px 17px}.start-note{margin-top:9px}
  footer{padding-top:10px;padding-bottom:max(10px,env(safe-area-inset-bottom))}
  .result-card h2{font-size:28px;margin:10px 0}.result-card>p{font-size:10px}
  .result-score{margin:10px 0}.result-score strong{font-size:38px}.result-details{margin-bottom:14px}
}
@media(max-width:370px){.altitude{display:block}.hud{gap:12px}.fuel-metric{width:96px}}
.overlay-card{min-width:0;overflow-x:hidden}
.controls{grid-template-columns:repeat(4,minmax(0,1fr))}
.assist-toggle{height:30px;border:1px solid #424b55;background:#151a20;padding:0 10px;font-size:9px;letter-spacing:1px;white-space:nowrap}
.assist-toggle b{font-weight:550;color:#f2f4f6;margin-left:5px}.assist-toggle[aria-pressed=false]{opacity:.55}
.attitude-strip{position:absolute;top:144px;left:30px;right:30px;display:flex;gap:20px;font-size:9px;letter-spacing:.5px;color:#768796;pointer-events:none}
.contact-report{font-size:10px!important;font-variant-numeric:tabular-nums;color:#a9b7c5!important;margin:0 0 14px!important}
.scene-grain{opacity:.025}.control{min-width:0}.control small{line-height:1.6}
@media(max-width:760px){.attitude-strip{top:130px;left:17px;right:17px;font-size:7px;gap:10px;flex-wrap:wrap}.control{padding:13px 10px}.result-details{gap:17px}.header-actions{gap:7px}}
@media(max-width:650px){.control kbd{display:none}.edition{display:none}.wordmark{letter-spacing:2px}.assist-toggle{padding:0 7px;font-size:8px}.controls{gap:7px}.control small{font-size:7px}.control strong{font-size:14px;letter-spacing:1px}.deck-heading p{font-size:11px}}
@media(max-width:370px){.control{padding:10px 7px}.control small{font-size:6.5px}.attitude-strip{gap:7px;font-size:6.5px}.result-details{gap:12px}.contact-report{font-size:8px!important}.result-score{margin:6px 0}.result-details{margin-bottom:10px}}
@media(max-height:540px) and (orientation:landscape){.attitude-strip{top:108px;gap:14px;font-size:7px}.control{padding:9px;gap:9px}.control-top{min-width:0}.control kbd{display:none}.control small{font-size:7px}.result-score{margin:4px 0}.contact-report{font-size:8px!important;margin-bottom:8px!important}.result-details{margin-bottom:8px}.instructions{margin:7px 0}.instructions li{font-size:9px}}

@media(max-width:760px) and (max-height:600px) and (orientation:portrait){.control{min-height:82px}.flight-deck{padding-top:10px}.deck-heading{margin-bottom:8px}}