:root{--bg: #0b1220;--ink: #e8eef8;--muted: #9bb0c9;--accent: #5ad1e8;--panel: #152238}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:radial-gradient(1000px 500px at 50% -20%,#1a2740,var(--bg));color:var(--ink);font-family:Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;touch-action:manipulation;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}#app{max-width:1000px;margin:0 auto;padding:12px}.top{display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;align-items:flex-end;margin-bottom:8px}.eyebrow{margin:0;font-size:12px;color:var(--accent);letter-spacing:.06em}.top h1{margin:2px 0 0;font-size:clamp(1.2rem,3vw,1.55rem)}.path{margin:0;color:var(--muted);font-size:12px}.path code{color:var(--accent)}#stage{position:relative;width:100%;aspect-ratio:960 / 540;background:#000;border:1px solid #2a3d5c;border-radius:10px;overflow:hidden}#playfield{position:relative;width:100%;height:100%}#game{display:block;width:100%;height:100%;image-rendering:auto}#fs-btn{position:absolute;top:8px;right:8px;z-index:12;border:1px solid #7ec8d8;background:#142034eb;color:#fff;border-radius:8px;padding:10px 14px;font-size:15px;font-weight:700;pointer-events:auto;cursor:pointer;min-height:40px}#fs-btn[aria-pressed=true]{background:#5ad1e859}.hud{margin-top:8px;font-size:13px;color:var(--muted);min-height:1.2em}.touch{display:none;position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:2}.touch .pad{position:absolute;bottom:12px;display:flex;gap:10px;pointer-events:auto}.touch .left{left:12px}.touch .right{right:12px}.touch button{width:64px;height:64px;border-radius:16px;border:1px solid #4a6488;background:#1c2d48bf;color:#fff;font-size:18px;font-weight:700}.touch button.held{background:#5ad1e873}@media (hover: none),(max-width: 900px){.touch{display:block}}#stage:has(.overlay.show) .touch{display:none}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:none;align-items:center;justify-content:center;background:#080a12c7;z-index:8;padding:10px 12px}.overlay.show{display:flex}.overlay .panel{position:relative;width:min(640px,100%);background:#181c2c;border:none;border-radius:12px;padding:18px 22px 16px;max-height:96%;overflow:auto;box-shadow:0 12px 40px #00000073}.overlay .panel:before{content:"";position:absolute;left:0;top:0;right:0;height:5px;background:#f0c850;border-radius:12px 12px 0 0}.overlay .panel.kind-seal:before{background:#f0c850}.overlay .panel.kind-boss:before{background:#e63c3c}.overlay .panel.kind-aid:before{background:#50c878}.overlay .panel.kind-gate:before{background:#5ad2e6}.overlay .panel.kind-dead:before{background:#e63c3c}.overlay .kicker{margin:4px 0 8px;font-size:16px;font-weight:700;color:#f0c850}.overlay .panel.kind-boss .kicker{color:#e63c3c}.overlay .sub{margin:0 0 10px;font-size:13px;color:#787882}.overlay h2{margin:0 0 10px;font-size:20px;font-weight:600;color:#fff;line-height:1.4}.overlay p{color:#d2d7e6;line-height:1.5;font-size:15px;margin:0 0 8px}.overlay .actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.overlay button{border:1px solid #3d5678;background:#1b2c44;color:var(--ink);border-radius:8px;padding:10px 14px;cursor:pointer;font-size:14px}.overlay button.primary{border-color:#50c878;background:#285a3c}.choices{display:grid;gap:8px;margin:12px 0 8px}.choices button{text-align:left;width:100%;background:#202434;border:2px solid transparent;border-radius:8px;padding:11px 16px;color:#fff;font-size:16px;line-height:1.35}.choices button.selected{background:#2c344c;border-color:#f0c850;outline:none}.choices button.ok{background:#1e5032;border-color:transparent}.choices button.bad{background:#5a2828;border-color:transparent}.quiz-result{margin:8px 0 6px;font-size:20px;font-weight:700}.quiz-result.ok{color:#50c878}.quiz-result.bad{color:#e63c3c}.quiz-explain-tag{margin:4px 0 2px;font-size:13px;color:#5ad2e6;font-weight:700}.quiz-explain{color:#d2d7e6!important;font-size:14px!important}.spell-box{width:100%;margin:12px 0 8px;background:#141826;border:2px solid rgb(240,200,80);border-radius:8px;padding:14px 16px;color:#fff;font-size:22px;font-family:inherit;outline:none}.spell-box:disabled{border-color:#505a6e;opacity:.9}.overlay .hint-keys{margin:8px 0 0;font-size:13px;color:#787882}@media (orientation: portrait) and (hover: none){body:before{content:"建议横屏 · Rotate for best play";display:block;text-align:center;font-size:12px;color:var(--accent);padding:6px;background:#132038}}html.immersive,html.immersive body{height:100%;overflow:hidden;background:#000;overscroll-behavior:none}html.immersive #app{max-width:none;padding:0;height:100%;height:100dvh}html.immersive .top,html.immersive .hud,html.immersive body:before{display:none!important}html.immersive #stage,#stage:fullscreen,#stage:-webkit-full-screen{position:fixed;top:0;right:0;bottom:0;left:0;width:100%;height:100%;height:100dvh;aspect-ratio:auto;border:none;border-radius:0;z-index:20;display:flex;align-items:center;justify-content:center;background:#000}html.immersive #playfield,#stage:fullscreen #playfield,#stage:-webkit-full-screen #playfield{width:min(100vw,calc(100dvh * 960 / 540));height:min(100dvh,56.25vw)}html.immersive #fs-btn{top:max(8px,env(safe-area-inset-top,0px));right:max(8px,env(safe-area-inset-right,0px))}html.immersive .touch .left{left:max(12px,env(safe-area-inset-left,0px));bottom:max(12px,env(safe-area-inset-bottom,0px))}html.immersive .touch .right{right:max(12px,env(safe-area-inset-right,0px));bottom:max(12px,env(safe-area-inset-bottom,0px))}