.nf{max-width:640px;margin:0 auto}.site-main .nf h1{margin:0 0 6px;font-size:clamp(24px,5vw,32px);line-height:1.15}.nf-lead{color:var(--ink2);overflow-wrap:anywhere;margin:0 0 4px;font-size:16px;line-height:1.45}.nf-lead code{font-size:15px}.nf-go,.pz-ok,.pz-reset{box-sizing:border-box;background:var(--bg2);min-height:44px;color:var(--ink);font:700 15px var(--font-body);cursor:pointer;border:0;border-radius:14px;align-items:center;padding:0 16px;text-decoration:none;display:inline-flex}.nf-go{margin:12px 0 0}.nf-go,.pz-ok{background:var(--ink);color:var(--bg)}.night .nf-go,.night .pz-ok{background:var(--acc)}.nf-go[hidden],.pz-ok[hidden]{display:none}.site-main .nf h2{margin:24px 0 8px;font-size:20px}.nf-list{gap:8px;margin:0;padding:0;list-style:none;display:grid}.nf-top:not(:empty){margin-top:20px}.nf-list li{border-radius:var(--r-lg);background:var(--surface);box-shadow:var(--sh-1);flex-wrap:wrap;align-items:baseline;gap:2px 10px;padding:10px 14px;display:flex}.nf-list a{color:var(--ink);font-weight:700}.nf-list span{color:var(--ink2);font-size:15px}.pz{position:relative}.pz-task{margin:4px 0 10px;font-size:16px;line-height:1.45}.pz-grid{background:var(--well);border-radius:14px;grid-template-columns:repeat(5,44px);gap:4px;width:max-content;padding:6px;display:grid}.pz-cell{background:var(--cell);cursor:pointer;border:0;border-radius:9px;place-items:center;width:44px;height:44px;padding:0;display:grid;position:relative}.pz-k{width:34px;height:34px;display:block}.pz-sel{outline:3px solid var(--acc-text);outline-offset:-3px}.pz-hint:after{content:"";border:2px dashed var(--acc-text);pointer-events:none;border-radius:7px;position:absolute;inset:3px}.pz-st{min-height:1.45em;margin:8px 0;font-size:15px;line-height:1.45}.pz-row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.pz-defs{width:0;height:0;position:absolute;overflow:hidden}.gd-cards{grid-template-columns:repeat(auto-fill,minmax(min(100%,250px),1fr));gap:12px;margin:20px 0 0;padding:0;list-style:none;display:grid}.gd-card{box-sizing:border-box;border-radius:var(--r-xl);background:var(--surface);min-width:0;box-shadow:var(--sh-1);flex-direction:column;gap:10px;padding:16px;display:flex}.site-main .gd-card h2{font-family:var(--font-display);margin:0;font-size:18px;line-height:1.3}.gd-no{color:var(--ink3)}.gd-card>p,.gd-card figcaption,.gd-ends{color:var(--ink2);margin:0;font-size:14.5px;line-height:1.55}.gd-demo{grid-template-columns:minmax(0,200px) 44px;justify-content:start;gap:10px;margin:0;display:grid}.gd-demo .home-demo-board{grid-area:1/1}.gd-demo .home-demo-cap{display:contents}.gd-demo .home-demo-tx{grid-column:1/-1}.gd-demo :is(.home-demo-pause,.home-demo-step){grid-area:1/2;align-self:end}.gd-demo figcaption{grid-column:1/-1}.gd-demo .home-step-board{max-width:none}.gd-demo :is(.home-demo-b,.home-demo-ring,.home-demo-touch,.home-demo-bad){width:17.5%;height:17.5%;transform:translate(calc(var(--x,0) * 110.714%), calc(var(--y,0) * 110.714%));top:2.5%;left:2.5%}.gd-demo .home-demo-b svg{width:88.3929%;height:88.3929%;margin:5.8036%}.gd-demo .home-demo-ring svg{width:40.1786%;height:40.1786%;margin:29.9107%}.gd-demo .home-demo-pause,.gd-demo .home-demo-step{visibility:hidden;display:grid}.gd-demo.home-demo-on .home-demo-pause,.gd-demo.home-demo-on .home-demo-step{visibility:visible}:root.gk-calm .gd-demo .home-demo-pause,:root:not(.gk-calm) .gd-demo .home-demo-step{display:none}.gd-pts{border-collapse:collapse;color:var(--ink2);font-size:14.5px;line-height:1.45}.gd-pts caption{text-align:left;color:var(--ink);margin-bottom:6px;font-weight:700}.gd-pts th,.gd-pts td{text-align:left;border-top:1px solid var(--line);padding:4px 16px 4px 0}.gd-pts th{font-weight:600}.gd-ends{gap:6px;padding-left:18px;display:grid}.gd-cta{align-self:flex-start}.gd-try{max-width:640px;margin-top:8px}.gd-defs{width:0;height:0;position:absolute;overflow:hidden}