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16.66%),linear-gradient(#0b1420,#13233a);background-color:var(--kg-stage)}.kg-track{position:absolute;inset:0 0 58px;overflow:hidden}.kg-strip{position:absolute;left:0;right:0;bottom:0;height:0;animation:kg-scroll var(--kg-loop) linear infinite;will-change:transform}.kg-note,.kg-body{position:absolute;display:block;max-width:none;-webkit-user-select:none;user-select:none;-webkit-user-drag:none}.kg-note{left:var(--x);bottom:var(--at);transform:translate(-50%,50%)}.kg-bar{width:96px;height:32px}.kg-icon{width:58px;height:58px}.kg-body{left:50%;width:126px;bottom:var(--from);height:calc(var(--to) - var(--from));transform:translate(-50%)}.kg-line{position:absolute;left:0;right:0;bottom:58px;height:3px;background:#dffbf7;box-shadow:0 0 10px #75e3dccc}.kg-judge{position:absolute;left:50%;bottom:66px;width:92px;height:auto;max-width:none;opacity:0;transform:translate(-50%);animation:kg-judge var(--kg-loop) linear var(--hit) infinite}.kg-keys{position:absolute;left:0;right:0;bottom:9px;display:flex;justify-content:center;gap:8px}.kg-key{display:grid;place-items:center;min-width:40px;height:38px;padding:0 12px;border-radius:8px;background:#eef2f8;box-shadow:0 4px #8a97aa;color:#17202e;font:700 14px/1 inherit;font-family:inherit;animation:kg-press var(--kg-loop) linear var(--hit) infinite}.kg-key.kg-held{animation-name:kg-hold}@keyframes kg-scroll{to{transform:translateY(384px)}}@keyframes kg-press{0%,9%{background:var(--kg-accent);box-shadow:0 0 #8a97aa,0 0 14px #75e3dc;color:var(--kg-on-accent);transform:translateY(4px)}11%,to{background:#eef2f8;box-shadow:0 4px #8a97aa;color:#17202e;transform:none}}@keyframes kg-hold{0%,46.8%{background:var(--kg-accent);box-shadow:0 0 #8a97aa,0 0 14px #75e3dc;color:var(--kg-on-accent);transform:translateY(4px)}48%,to{background:#eef2f8;box-shadow:0 4px #8a97aa;color:#17202e;transform:none}}@keyframes kg-judge{0%{opacity:1;transform:translate(-50%) scale(.7)}3%,14%{opacity:1;transform:translate(-50%) scale(1)}20%,to{opacity:0;transform:translate(-50%) scale(1)}}.kg-heading{margin:20px 0 10px;color:var(--kg-text);font-size:15px;font-weight:700}.kg-controls{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:8px;margin:0;padding:0;list-style:none}.kg-controls li{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 12px;white-space:nowrap;border:1px solid var(--kg-line);border-radius:10px;background:var(--kg-card);color:var(--kg-text);font-size:13px}.kg-controls span{display:flex;flex-wrap:wrap;gap:4px}.kg-controls kbd{padding:3px 7px;border-radius:5px;background:#eef2f8;box-shadow:0 2px #8a97aa;color:#17202e;font:700 12px/1.3 inherit;font-family:inherit}.kg-tips{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:8px;margin:0}.kg-tips div{padding:10px 12px;border:1px solid var(--kg-line);border-radius:10px;background:var(--kg-card)}.kg-tips dt{color:var(--kg-accent);font-size:13px;font-weight:700}.kg-tips dd{margin:2px 0 0;color:var(--kg-muted);font-size:13px;line-height:1.6}.info-page .kg{padding:16px;border-radius:14px;background:var(--kg-surface)}.kg-dialog{width:min(920px,calc(100vw - 32px));max-width:none;max-height:calc(100dvh - 32px);padding:0;overflow:hidden;border:1px solid var(--kg-line);border-radius:16px;background:var(--kg-surface);color:var(--kg-text)}.kg-dialog[open]{display:flex;flex-direction:column}.kg-dialog::backdrop{background:#050a12b8}.kg-dialog-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-bottom:1px solid var(--kg-line)}.kg-dialog-header h2{margin:0;color:var(--kg-text);font-size:17px;font-weight:700}.kg-close{width:36px;height:36px;padding:0;border:0;border-radius:8px;background:transparent;color:var(--kg-text);font-size:24px;line-height:1;cursor:pointer}.kg-close:hover{background:#ffffff1a}.kg-close:focus-visible{outline:2px solid var(--kg-accent);outline-offset:1px}.kg-dialog-body{min-height:0;padding:16px;overflow-y:auto;overscroll-behavior:contain}@media(prefers-reduced-motion:reduce){.kg-strip{animation:none;transform:translateY(150px)}.kg-key{animation:none;background:var(--kg-accent);box-shadow:0 0 14px #75e3dc;color:var(--kg-on-accent);transform:translateY(4px)}.kg-judge{animation:none}}