@import "https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@500;600;700&family=Noto+Sans+TC:wght@400;500;700;900&family=Space+Grotesk:wght@500;600;700&display=swap";:root{--ku-paper:#f4f4f0;--ku-paper-raised:#fffdf7;--ku-ink:#111;--ku-lime:#d4ff00;--ku-moon-silver:#c9cdd8;--ku-island-ember:#c4745a;--ku-muted:#666;--ku-line:#ffffff24;--ku-font-display:"Space Grotesk", "Noto Sans TC", system-ui, sans-serif;--ku-font-body:"Noto Sans TC", system-ui, sans-serif;--ku-font-mono:"JetBrains Mono", ui-monospace, SFMono-Regular, monospace;--ku-space-1:.25rem;--ku-space-2:.5rem;--ku-space-3:.75rem;--ku-space-4:1rem;--ku-radius-sm:.5rem;--ku-radius-md:.75rem;--ku-focus-ring:0 0 0 3px #d4ff004d;--ku-ease:cubic-bezier(.2, .8, .2, 1);--ku-rail-height:calc(3rem + 1px)}.ku-universe-rail{z-index:40;border-bottom:1px solid var(--ku-line);color:#f7f7f2;width:100%;min-height:3rem;font-family:var(--ku-font-body);-webkit-font-smoothing:antialiased;isolation:isolate;background:#0a0a09;position:relative;overflow:hidden}.ku-universe-rail:after{content:"";pointer-events:none;background:linear-gradient(90deg,#0000,#d4ff00bd,#0000);height:1px;position:absolute;bottom:-1px;left:8%;right:8%}.ku-universe-rail__inner{width:min(100%,90rem);min-height:3rem;margin:0 auto;display:flex}.ku-universe-rail__identity{align-items:center;gap:var(--ku-space-3);min-width:17rem;padding:0 var(--ku-space-4);border-right:1px solid var(--ku-line);white-space:nowrap;flex:none;display:flex}.ku-universe-rail__orbit{grid-template-columns:repeat(5,.25rem);align-items:center;gap:.2rem;display:inline-grid}.ku-universe-rail__orbit>span{width:.25rem;height:.25rem;transition:background-color .18s var(--ku-ease), box-shadow .18s var(--ku-ease), transform .18s var(--ku-ease);background:0 0;border:1px solid #ffffff61;border-radius:999px}.ku-universe-rail__orbit>span.is-current{border-color:var(--ku-lime);background:var(--ku-lime);transform:scale(1.35);box-shadow:0 0 0 .18rem #d4ff0029,0 0 .75rem #d4ff008c}.ku-universe-rail__wordmark{font-family:var(--ku-font-display);letter-spacing:.16em;text-transform:uppercase;font-size:.68rem;font-weight:700}.ku-universe-rail__meta{color:#f7f7f28c;font-family:var(--ku-font-mono);letter-spacing:.12em;text-transform:uppercase;font-size:.52rem;font-weight:600}.ku-universe-rail__nav{scrollbar-width:none;flex:auto;min-width:0;display:flex;overflow-x:auto}.ku-universe-rail__nav::-webkit-scrollbar{display:none}.ku-universe-rail__link{column-gap:var(--ku-space-2);min-height:3rem;padding:.4rem var(--ku-space-3);color:#f7f7f29e;transition:color .18s var(--ku-ease), background-color .18s var(--ku-ease);border-right:1px solid #ffffff14;flex:1 0 8.5rem;grid-template-rows:1fr 1fr;grid-template-columns:auto 1fr;align-items:end;text-decoration:none;display:grid;position:relative}.ku-universe-rail__link:after{right:var(--ku-space-3);bottom:0;left:var(--ku-space-3);content:"";height:2px;transition:background-color .18s var(--ku-ease);background:0 0;position:absolute}.ku-universe-rail__link:hover{color:#fff;background:#ffffff0f}.ku-universe-rail__link.is-current{color:#fff;background:#d4ff0014}.ku-universe-rail__link.is-current:after{background:var(--ku-lime)}.ku-universe-rail__link:focus-visible{z-index:1;outline:2px solid var(--ku-lime);outline-offset:-3px;box-shadow:var(--ku-focus-ring)}.ku-universe-rail__index{color:#f7f7f24d;font-family:var(--ku-font-mono);letter-spacing:.08em;grid-row:1/span 2;align-self:center;font-size:.5rem;font-weight:600}.ku-universe-rail__label{font-family:var(--ku-font-display);letter-spacing:.04em;align-self:end;font-size:.65rem;font-weight:700;line-height:1}.ku-universe-rail__descriptor{color:#f7f7f28c;align-self:start;font-size:.55rem;font-weight:500;line-height:1.1}.ku-universe-rail__link.is-current .ku-universe-rail__index,.ku-universe-rail__link.is-current .ku-universe-rail__descriptor{color:var(--ku-lime)}.ku-site-kicker{border:1px solid var(--ku-ink);border-radius:var(--ku-radius-sm);background:var(--ku-paper-raised);min-height:1.8rem;box-shadow:2px 2px 0 var(--ku-ink);color:var(--ku-ink);font-family:var(--ku-font-mono);letter-spacing:.12em;text-transform:uppercase;align-items:center;padding:.3rem .6rem;font-size:.56rem;font-weight:700;line-height:1;display:inline-flex}.ku-primary-action{border:1px solid var(--ku-ink);border-radius:var(--ku-radius-sm);background:var(--ku-lime);min-height:2.75rem;box-shadow:3px 3px 0 var(--ku-ink);color:var(--ku-ink);font-family:var(--ku-font-display);transition:transform .16s var(--ku-ease), box-shadow .16s var(--ku-ease), background-color .16s var(--ku-ease);justify-content:center;align-items:center;font-weight:700;display:inline-flex}.ku-primary-action:hover{box-shadow:4px 4px 0 var(--ku-ink);background:#e0ff4f;transform:translate(-1px,-1px)}.ku-primary-action:active{box-shadow:1px 1px 0 var(--ku-ink);transform:translate(2px,2px)}.ku-primary-action:focus-visible{outline:3px solid var(--ku-ink);outline-offset:4px;box-shadow:0 0 0 7px var(--ku-lime), 3px 3px 0 var(--ku-ink)}.ku-orbit-frame{border:1px solid #11111129;box-shadow:0 1.5rem 4rem #1111111f,0 0 0 .5rem #d4ff0014}@media (width<=64rem){.ku-universe-rail__identity{min-width:12rem}.ku-universe-rail__meta{display:none}}@media (width<=40rem){:root{--ku-rail-height:calc(5.1rem + 1px)}.ku-universe-rail__inner{display:block}.ku-universe-rail__identity{min-width:0;min-height:2.2rem;padding:0 var(--ku-space-3);border-bottom:1px solid #ffffff14;border-right:0;justify-content:space-between}.ku-universe-rail__identity:after{color:#f7f7f28c;content:"EXPLORE 05";font-family:var(--ku-font-mono);letter-spacing:.12em;font-size:.5rem;font-weight:600}.ku-universe-rail__nav{scroll-snap-type:x proximity}.ku-universe-rail__link{scroll-snap-align:start;flex-basis:7.4rem;min-height:2.9rem}}@media (prefers-reduced-motion:reduce){.ku-primary-action,.ku-orbit-frame,.ku-orbit-frame *,.ku-universe-rail *,.ku-universe-rail :before,.ku-universe-rail :after{scroll-behavior:auto;transition-duration:.01ms}}@media (forced-colors:active){.ku-universe-rail__link.is-current{outline-offset:-3px;outline:2px solid canvastext}}@media print{.ku-universe-rail{display:none}}