.spl[data-astro-cid-qy4brgun]{--spl-surface:var(--card);--spl-grp:var(--muted);--spl-field:var(--background);--spl-ink:var(--foreground);--spl-muted:var(--muted-foreground);--spl-line:var(--border-strong);--spl-accent:var(--primary);--spl-accent-ink:var(--primary-foreground);--spl-sel:var(--startup);--spl-bed:var(--background-wash);--spl-bedline:color-mix(in oklch, var(--foreground) 6%, transparent);--spl-ok:var(--market);--spl-ok-bg:color-mix(in oklch, var(--market) 14%, var(--card));--spl-warn:var(--startup);--spl-warn-bg:color-mix(in oklch, var(--startup) 12%, var(--card));--spl-stop:#fff;--spl-stop-bg:#8e1827;--spl-info-bg:var(--muted);--spl-hole:oklch(17% 0 0);--spl-band:color-mix(in oklch, var(--market) 18%, transparent);--spl-over:color-mix(in oklch, var(--startup) 18%, transparent);--spl-coal:#1b1b1b;--spl-mist:#e8e8e8;--spl-wine:#8e1827;--spl-brand:linear-gradient(90deg, #f04732 0%, #db2730 50%, #c61330 100%);color:var(--spl-ink);font-family:var(--font-sans);font-variant-numeric:tabular-nums;gap:1rem;margin:2.5rem 0;font-size:.9375rem;line-height:1.5;display:grid;container:spl/inline-size}.spl[data-astro-cid-qy4brgun] [hidden]{display:none!important}.spl[data-astro-cid-qy4brgun] :is(h2,h3,h4){color:inherit;font-family:var(--font-display);letter-spacing:-.015em;border:0;margin:0;padding:0;font-weight:700;line-height:1.15}.spl[data-astro-cid-qy4brgun] p{color:inherit;font-size:inherit;line-height:inherit;margin:0 0 .6em}.spl[data-astro-cid-qy4brgun] :is(ul,li){color:inherit;font-size:inherit;line-height:inherit;margin:0;padding:0;list-style:none}.spl[data-astro-cid-qy4brgun] img{margin:0}.spl[data-astro-cid-qy4brgun] :is(button,select,input){color:inherit;font:inherit}.spl[data-astro-cid-qy4brgun] :focus-visible{outline:2px solid var(--spl-accent);outline-offset:2px}.spl[data-astro-cid-qy4brgun] .pane a{color:var(--spl-accent);text-underline-offset:2px;text-decoration:underline 1px}.spl[data-astro-cid-qy4brgun] .pane a:hover{color:var(--spl-ink)}.spl[data-astro-cid-qy4brgun] .hero{background:var(--spl-coal);color:#fff;border-radius:8px;overflow:hidden}.spl[data-astro-cid-qy4brgun] .hero-inner{padding:1.5rem 1.25rem 1.25rem}.spl[data-astro-cid-qy4brgun] .hero h2{letter-spacing:-.025em;font-size:clamp(1.75rem,5.5cqi,2.75rem);font-weight:700}.spl[data-astro-cid-qy4brgun] .hero p{max-width:66ch;color:var(--spl-mist);margin:.6rem 0 0}.spl[data-astro-cid-qy4brgun] .stripe{background:var(--spl-brand);height:6px}.spl[data-astro-cid-qy4brgun] .brandh{align-items:center;gap:.28em;display:flex}.spl[data-astro-cid-qy4brgun] .brandh img{flex:none;width:auto;height:1.05em}.spl[data-astro-cid-qy4brgun] .warnh{align-items:center;gap:10px;display:flex}.spl[data-astro-cid-qy4brgun] .warnicon{flex:none;width:28px;height:28px}.spl[data-astro-cid-qy4brgun] .devbar{border:1px solid var(--spl-line);background:var(--spl-surface);border-radius:8px;flex-wrap:wrap;align-items:end;gap:12px 20px;padding:14px 16px;display:flex}.spl[data-astro-cid-qy4brgun] .devbar .fld{flex-direction:column;flex:1;gap:4px;min-width:180px;display:flex}.spl[data-astro-cid-qy4brgun] .devbar .fld.narrow{flex:none;min-width:0}.spl[data-astro-cid-qy4brgun] :is(.devbar label,.devbar .lab){color:var(--spl-muted);font-size:.8rem;font-weight:500}.spl[data-astro-cid-qy4brgun] :is(select,input[type=number],input[type=text]){border:1px solid var(--spl-line);background:var(--spl-field);border-radius:4px;width:100%;min-height:32px;padding:6px 8px}.spl[data-astro-cid-qy4brgun] :is(.unitseg,.modeseg){border:1px solid var(--spl-line);border-radius:4px;overflow:hidden}.spl[data-astro-cid-qy4brgun] .unitseg{display:inline-flex}.spl[data-astro-cid-qy4brgun] .unitseg button{background:var(--spl-field);cursor:pointer;border:0;padding:6px 10px;font-size:.85rem}.spl[data-astro-cid-qy4brgun] :is(.unitseg,.modeseg) button[aria-pressed=true]{background:var(--spl-accent);color:var(--spl-accent-ink)}.spl[data-astro-cid-qy4brgun] input[type=range]{width:100%;accent-color:var(--spl-accent)}.spl[data-astro-cid-qy4brgun] .devmeta{color:var(--spl-muted);flex-basis:100%;margin:0;font-size:.82rem}.spl[data-astro-cid-qy4brgun] .win{scroll-margin-top:calc(var(--header-height,0px) + 1rem);border:1px solid var(--spl-line);background:var(--spl-surface);box-shadow:var(--elev-sm);border-radius:6px;font-size:.875rem;overflow:hidden}.spl[data-astro-cid-qy4brgun] .titlebar{border-bottom:1px solid var(--spl-line);background:var(--spl-surface);align-items:center;gap:10px;padding:8px 12px;display:flex}.spl[data-astro-cid-qy4brgun] .titlebar .ico{background:var(--spl-brand);border-radius:4px;flex:none;width:18px;height:18px}.spl[data-astro-cid-qy4brgun] .titlebar>span:last-child{font-size:.92rem}.spl[data-astro-cid-qy4brgun] .winbody{background:var(--spl-grp);padding:10px 12px 12px}.spl[data-astro-cid-qy4brgun] .presetrow{grid-template-columns:auto minmax(0,1.4fr) auto auto auto minmax(0,1fr);align-items:center;gap:8px;margin-bottom:10px;display:grid}.spl[data-astro-cid-qy4brgun] .presetrow .ttl{display:contents}.spl[data-astro-cid-qy4brgun] .iconbtn{border:1px solid var(--spl-line);background:var(--spl-field);cursor:pointer;border-radius:4px;place-items:center;width:32px;height:32px;padding:0;display:grid}.spl[data-astro-cid-qy4brgun] .iconbtn:disabled{cursor:not-allowed;opacity:.4}.spl[data-astro-cid-qy4brgun] :is(.iconbtn,.lbtn) svg{fill:currentColor;width:16px;height:16px}.spl[data-astro-cid-qy4brgun] .groups{grid-template-columns:1fr 1fr 1.05fr;gap:10px;display:grid}.spl[data-astro-cid-qy4brgun] .grp{border:1px solid var(--spl-line);background:var(--spl-surface);border-radius:4px;padding:8px 12px 10px}.spl[data-astro-cid-qy4brgun] .grp h4{letter-spacing:normal;margin-bottom:8px;font-family:inherit;font-size:.86rem;font-weight:500}.spl[data-astro-cid-qy4brgun] .frow{grid-template-columns:minmax(70px,1fr) minmax(0,1.5fr);align-items:center;gap:8px;margin:6px 0;display:grid}.spl[data-astro-cid-qy4brgun] .frow>:is(label,.lab){text-align:right;font-size:.86rem}.spl[data-astro-cid-qy4brgun] .spin{position:relative}.spl[data-astro-cid-qy4brgun] .spin input{padding-right:44px}.spl[data-astro-cid-qy4brgun] .spin .suf{color:var(--spl-muted);pointer-events:none;font-size:.78rem;position:absolute;top:50%;right:8px;transform:translateY(-50%)}.spl[data-astro-cid-qy4brgun] .lbtns{grid-template-columns:1fr 1fr;gap:6px;display:grid}.spl[data-astro-cid-qy4brgun] .lbtn{border:1px solid var(--spl-line);background:var(--spl-field);cursor:pointer;border-radius:4px;justify-content:center;align-items:center;gap:7px;min-height:42px;padding:6px 8px;font-size:.9rem;display:flex}.spl[data-astro-cid-qy4brgun] .lbtn:hover:not(:disabled){border-color:var(--spl-accent)}.spl[data-astro-cid-qy4brgun] .lbtn:disabled{cursor:not-allowed;opacity:.45}.spl[data-astro-cid-qy4brgun] .lbtn.primary{color:#fff;background:linear-gradient(90deg,#d92736,#b5102c);border-color:#0000}.spl[data-astro-cid-qy4brgun] .lbtn.wide{grid-column:1/-1}.spl[data-astro-cid-qy4brgun] .outsize{margin-top:8px;font-size:.84rem}.spl[data-astro-cid-qy4brgun] .outsize span{color:var(--spl-muted);display:block}.spl[data-astro-cid-qy4brgun] .bottombar{grid-template-columns:repeat(3,minmax(0,1fr)) auto;align-items:start;gap:8px 10px;margin-top:10px;display:grid}.spl[data-astro-cid-qy4brgun] .layerbtn{border:1px solid var(--spl-line);background:var(--spl-field);cursor:pointer;text-align:left;border-radius:4px;align-items:center;gap:8px;width:100%;min-height:34px;padding:4px 10px 4px 4px;font-size:.88rem;display:flex}.spl[data-astro-cid-qy4brgun] .layerbtn:hover{border-color:var(--spl-accent)}.spl[data-astro-cid-qy4brgun] .chip{color:#fff;text-align:center;border-radius:2px;min-width:30px;padding:3px 7px;font-size:.72rem;font-weight:600}.spl[data-astro-cid-qy4brgun] .chip.c0{background:#000;box-shadow:inset 0 0 0 1px #555}.spl[data-astro-cid-qy4brgun] .chip.c1{background:#00f}.spl[data-astro-cid-qy4brgun] .chip.c2{background:red}.spl[data-astro-cid-qy4brgun] .toggle{cursor:pointer;align-items:center;gap:8px;margin:6px 0 0 4px;font-size:.86rem;display:inline-flex}.spl[data-astro-cid-qy4brgun] .toggle input{background:var(--spl-muted);cursor:pointer;appearance:none;border-radius:8px;width:30px;height:16px;margin:0;position:relative}.spl[data-astro-cid-qy4brgun] .toggle input:after{content:"";background:#fff;border-radius:50%;width:12px;height:12px;transition:left .15s;position:absolute;top:2px;left:2px}.spl[data-astro-cid-qy4brgun] .toggle input:checked{background:var(--spl-accent)}.spl[data-astro-cid-qy4brgun] .toggle input:checked:after{left:16px}.spl[data-astro-cid-qy4brgun] .closebtn{border:1px solid var(--spl-line);background:var(--spl-field);cursor:pointer;border-radius:4px;min-height:34px;padding:4px 18px}.spl[data-astro-cid-qy4brgun] .work{grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);align-items:start;gap:1rem;display:grid}.spl[data-astro-cid-qy4brgun] .pane{border:1px solid var(--spl-line);background:var(--spl-surface);border-radius:8px;padding:14px 16px}.spl[data-astro-cid-qy4brgun] .pane h3{margin-bottom:8px;font-size:1.15rem}.spl[data-astro-cid-qy4brgun] .panehead{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:8px;display:flex}.spl[data-astro-cid-qy4brgun] .panehead h3{margin:0}.spl[data-astro-cid-qy4brgun] .small{color:var(--spl-muted);font-size:.84rem}.spl[data-astro-cid-qy4brgun] .bed{background-color:var(--spl-bed);background-image:linear-gradient(var(--spl-bedline) 1px, transparent 1px), linear-gradient(90deg, var(--spl-bedline) 1px, transparent 1px);background-size:20px 20px;border-radius:6px;place-items:center;min-height:320px;padding:16px;display:grid}.spl[data-astro-cid-qy4brgun] #preview{width:100%;max-height:560px;display:block}.spl[data-astro-cid-qy4brgun] #preview .cell{cursor:pointer}.spl[data-astro-cid-qy4brgun] #preview .cell:focus{outline:none}.spl[data-astro-cid-qy4brgun] #preview .cell:focus-visible{stroke:var(--spl-accent);stroke-width:.6px}@keyframes spl-march{to{stroke-dashoffset:-8px}}.spl[data-astro-cid-qy4brgun] #preview .frame{fill:none;stroke:var(--spl-accent);stroke-dasharray:2 2;stroke-width:.5px;animation:.6s linear infinite spl-march}@media (prefers-reduced-motion:reduce){.spl[data-astro-cid-qy4brgun] #preview .frame{animation:none}.spl[data-astro-cid-qy4brgun] .toggle input:after{transition:none}}.spl[data-astro-cid-qy4brgun] .status{min-height:1.3em;color:var(--spl-muted);margin-top:8px;font-size:.84rem}.spl[data-astro-cid-qy4brgun] .disabled .bed{filter:grayscale(.7);opacity:.35}.spl[data-astro-cid-qy4brgun] .result{grid-template-columns:84px 1fr;align-items:start;gap:14px;display:grid}.spl[data-astro-cid-qy4brgun] .swatch{border:1px solid var(--spl-line);border-radius:6px;width:84px;height:84px}.spl[data-astro-cid-qy4brgun] .badge{border-radius:4px;margin-bottom:6px;padding:2px 8px;font-size:.8rem;font-weight:600;display:inline-block}.spl[data-astro-cid-qy4brgun] .b-ok{background:var(--spl-ok-bg);color:var(--spl-ok)}.spl[data-astro-cid-qy4brgun] .b-warn{background:var(--spl-warn-bg);color:var(--spl-warn)}.spl[data-astro-cid-qy4brgun] .b-stop{background:var(--spl-stop-bg);color:var(--spl-stop)}.spl[data-astro-cid-qy4brgun] .b-info{background:var(--spl-info-bg);color:var(--spl-ink)}.spl[data-astro-cid-qy4brgun] .result h4{margin-bottom:4px;font-size:1.3rem}.spl[data-astro-cid-qy4brgun] .cellid{color:var(--spl-muted);margin-bottom:10px;font-size:.84rem}.spl[data-astro-cid-qy4brgun] .stats{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:8px;margin-top:12px;display:grid}.spl[data-astro-cid-qy4brgun] .stat{background:var(--spl-grp);border-radius:6px;padding:8px 10px}.spl[data-astro-cid-qy4brgun] .stat b{font-size:1.05rem;font-weight:600;display:block}.spl[data-astro-cid-qy4brgun] .stat span{color:var(--spl-muted);font-size:.78rem}.spl[data-astro-cid-qy4brgun] .depthbar{border:1px solid var(--spl-line);background:var(--spl-surface);border-radius:4px;height:8px;margin-top:6px;overflow:hidden}.spl[data-astro-cid-qy4brgun] .depthbar i{background:var(--spl-brand);height:100%;display:block}.spl[data-astro-cid-qy4brgun] .lesson{border-top:1px solid var(--spl-line);margin-top:12px;padding-top:10px;font-size:.92rem}.spl[data-astro-cid-qy4brgun] .curvewrap{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);align-items:center;gap:20px;display:grid}.spl[data-astro-cid-qy4brgun] #curve text{fill:var(--spl-muted);font-family:inherit;font-size:11px}.spl[data-astro-cid-qy4brgun] .legend{color:var(--spl-muted);flex-wrap:wrap;gap:6px 14px;margin-top:6px;font-size:.8rem;display:flex}.spl[data-astro-cid-qy4brgun] .legend i{border:1px solid var(--spl-line);vertical-align:-2px;border-radius:2px;width:12px;height:12px;margin-right:5px;display:inline-block}.spl[data-astro-cid-qy4brgun] .formula{background:var(--spl-coal);color:#fff;border-left:6px solid #f04732;border-radius:6px;margin:6px 0 10px;padding:10px 12px;font-size:1.05rem;font-weight:600}.spl[data-astro-cid-qy4brgun] .stoppanel{background:var(--spl-wine);color:#fff;border-radius:8px;padding:18px 20px}.spl[data-astro-cid-qy4brgun] .stoppanel h3{margin-bottom:8px;font-size:1.5rem}.spl[data-astro-cid-qy4brgun] .stoppanel .small{color:var(--spl-mist)}.spl[data-astro-cid-qy4brgun] .tablewrap{overflow-x:auto}.spl[data-astro-cid-qy4brgun] .tablewrap table{border-collapse:collapse;border:0;width:100%;min-width:660px;font-size:.88rem;line-height:1.5}.spl[data-astro-cid-qy4brgun] .tablewrap :is(thead,tr){border:0}.spl[data-astro-cid-qy4brgun] .tablewrap :is(th,td){border-bottom:1px solid var(--spl-line);color:var(--spl-ink);text-align:left;vertical-align:top;padding:8px 10px}.spl[data-astro-cid-qy4brgun] .tablewrap th{color:var(--spl-muted);letter-spacing:normal;text-transform:none;white-space:normal;font-family:inherit;font-size:.78rem;font-weight:600}.spl[data-astro-cid-qy4brgun] .tablewrap tr.match td{background:var(--spl-warn-bg)}.spl[data-astro-cid-qy4brgun] .tablewrap td .sub{color:var(--spl-muted);font-size:.76rem;display:block}.spl[data-astro-cid-qy4brgun] .tablewrap td .flag{color:var(--spl-warn);font-weight:600}.spl[data-astro-cid-qy4brgun] .try{border:1px solid var(--spl-accent);color:var(--spl-accent);cursor:pointer;white-space:nowrap;background:0 0;border-radius:4px;padding:5px 10px;font-size:.82rem;font-weight:600}.spl[data-astro-cid-qy4brgun] .try:hover{background:var(--spl-accent);color:var(--spl-accent-ink)}.spl[data-astro-cid-qy4brgun] .two{grid-template-columns:1fr 1fr;gap:1rem;display:grid}.spl[data-astro-cid-qy4brgun] ul.notes{gap:8px;display:grid}.spl[data-astro-cid-qy4brgun] ul.notes li{border-left:4px solid var(--spl-line);background:var(--spl-grp);border-radius:6px;padding:8px 10px 8px 12px;font-size:.92rem}.spl[data-astro-cid-qy4brgun] ul.notes li.warn{border-left-color:#e36b1f}.spl[data-astro-cid-qy4brgun] ul.notes li.stop{border-left-color:var(--spl-wine)}.spl[data-astro-cid-qy4brgun] ul.notes li.info{border-left-color:var(--spl-muted)}.spl[data-astro-cid-qy4brgun] .never{grid-template-columns:repeat(auto-fill,minmax(min(240px,100%),1fr));gap:8px;display:grid}.spl[data-astro-cid-qy4brgun] .never>div{border-top:3px solid var(--spl-wine);background:var(--spl-grp);border-radius:6px;padding:10px 12px}.spl[data-astro-cid-qy4brgun] .never h4{margin-bottom:4px;font-size:1rem}.spl[data-astro-cid-qy4brgun] .never p{margin:0;font-size:.86rem}.spl[data-astro-cid-qy4brgun] .never .alt{color:var(--spl-muted);margin-top:4px;font-size:.8rem}.spl[data-astro-cid-qy4brgun] .docs{grid-template-columns:repeat(auto-fill,minmax(min(250px,100%),1fr));gap:8px;display:grid}.spl[data-astro-cid-qy4brgun] .docs a{background:var(--spl-grp);color:var(--spl-ink);border:1px solid #0000;border-radius:6px;padding:10px 12px;text-decoration:none;display:block}.spl[data-astro-cid-qy4brgun] .docs a:hover{border-color:var(--spl-accent);color:var(--spl-ink)}.spl[data-astro-cid-qy4brgun] .docs a b{color:var(--spl-accent);font-weight:600;display:block}.spl[data-astro-cid-qy4brgun] .docs a span{color:var(--spl-muted);font-size:.84rem}.spl[data-astro-cid-qy4brgun] dialog.win{width:calc(100% - 32px);max-width:420px;color:var(--spl-ink);margin:auto;padding:0}.spl[data-astro-cid-qy4brgun] dialog::backdrop{background:#00000073}.spl[data-astro-cid-qy4brgun] dialog .winbody{gap:4px;display:grid}.spl[data-astro-cid-qy4brgun] dialog .note{color:var(--spl-muted);margin:4px 0 0;font-size:.8rem}.spl[data-astro-cid-qy4brgun] dialog .actions{justify-content:flex-end;margin-top:10px;display:flex}.spl[data-astro-cid-qy4brgun] .modeseg{grid-template-columns:1fr 1fr;display:grid}.spl[data-astro-cid-qy4brgun] .modeseg button{background:var(--spl-field);cursor:pointer;border:0;padding:6px}@container spl (width<=900px){.spl[data-astro-cid-qy4brgun] .groups{grid-template-columns:1fr 1fr}.spl[data-astro-cid-qy4brgun] .grp.laser{grid-column:1/-1}.spl[data-astro-cid-qy4brgun] .lbtns{grid-template-columns:repeat(4,1fr)}.spl[data-astro-cid-qy4brgun] .lbtn.wide{grid-column:auto}.spl[data-astro-cid-qy4brgun] :is(.work,.two){grid-template-columns:1fr}}@container spl (width<=760px){.spl[data-astro-cid-qy4brgun] .curvewrap{grid-template-columns:1fr}}@container spl (width<=620px){.spl[data-astro-cid-qy4brgun] .groups{grid-template-columns:1fr}.spl[data-astro-cid-qy4brgun] .lbtns{grid-template-columns:1fr 1fr}.spl[data-astro-cid-qy4brgun] .lbtn.wide{grid-column:1/-1}.spl[data-astro-cid-qy4brgun] .presetrow{grid-template-columns:auto minmax(0,1fr) auto auto}.spl[data-astro-cid-qy4brgun] .presetrow .ttl{grid-column:1/-1;grid-template-columns:auto 1fr;align-items:center;gap:8px;display:grid}.spl[data-astro-cid-qy4brgun] .bottombar{grid-template-columns:1fr}}