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0;color:var(--ink-muted);font-size:.93rem}.panel{border:1px solid var(--line);background:color-mix(in oklch,white 78%,var(--paper));box-shadow:0 14px 34px -26px var(--shadow)}.panel-tight{padding:.8rem 1rem}.section-title{margin:0;font-family:"Noto Serif SC",STSong,serif;font-size:1.18rem}.topbar{border:1px solid var(--line-strong);background:linear-gradient(180deg,color-mix(in oklch,white 88%,var(--paper)),color-mix(in oklch,white 80%,var(--paper)));box-shadow:0 12px 26px -22px var(--shadow);padding:.72rem .84rem;display:grid;grid-template-columns:auto 5.25rem 1fr;grid-template-areas:"brand bubble collapsible";align-items:center;gap:.56rem;position:sticky;top:0;z-index:60;overflow:visible}.topbar--full{width:auto;margin-left:calc(50% - 50vw);margin-right:calc(50% - 50vw);padding-left:max(1rem,calc((100vw - min(1160px,93vw))/2 + .82rem));padding-right:max(1rem,calc((100vw - min(1160px,93vw))/2 + .82rem));border-left:0;border-right:0}.topbar-brand{grid-area:brand;text-decoration:none;display:grid;gap:.16rem}.topbar-title{font-family:"Noto Serif SC",STSong,serif;font-size:1.18rem;font-weight:700}.topbar-mark{font-size:.63rem;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-muted)}.topbar-bubble{grid-area:bubble;--bubble-start: color-mix(in oklch, white 62%, var(--accent-soft));--bubble-end: color-mix(in oklch, white 82%, var(--paper));--bubble-stroke: color-mix(in oklch, var(--accent) 44%, var(--line-strong));text-decoration:none;color:var(--ink);display:block;line-height:1.08;position:relative;transition:transform .22s ease;min-height:1.86rem;width:5.25rem;margin-left:-.22rem;z-index:1;overflow:visible;justify-self:start}.topbar-bubble-svg{width:100%;height:100%;display:block;overflow:visible}.topbar-bubble-shape{fill:url(#nav-bubble-gradient);stroke:var(--bubble-stroke);stroke-width:1.05;stroke-linejoin:round;stroke-linecap:round;vector-effect:non-scaling-stroke}.topbar-bubble:hover .topbar-bubble-shape{stroke:var(--accent)}.topbar-bubble-text{font-family:"Noto Serif SC",STSong,serif;font-size:.82rem;font-weight:300;transition:opacity .18s ease,transform .18s ease;white-space:nowrap;width:calc(100% - 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