:root{color-scheme:light}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:72px}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:#0f172a;background:#f6f8fb;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:#2563eb}.wrap{max-width:980px;margin:0 auto;padding:0 18px}.hdr{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid #e5e9f0}.hrow{display:flex;align-items:center;justify-content:space-between;height:60px}.brand{font-weight:800;font-size:19px;letter-spacing:-.3px;text-decoration:none;color:#0f172a}.brand span{color:#2563eb}.menu{display:flex;gap:4px}.menu a{padding:8px 12px;border-radius:8px;font-size:15px;font-weight:500;color:#334155;text-decoration:none}.menu a:hover{background:#eff4ff;color:#2563eb}.mt,.burger{display:none}@media(max-width:720px){.burger{display:flex;flex-direction:column;gap:5px;cursor:pointer;padding:8px}.burger i{width:22px;height:2px;background:#0f172a;border-radius:2px}.menu{display:none;position:absolute;top:60px;left:0;right:0;flex-direction:column;background:#fff;border-bottom:1px solid #e5e9f0;padding:8px 14px;box-shadow:0 8px 20px rgba(15,23,42,.06)}.mt:checked~.menu{display:flex}.menu a{padding:12px}}.hero{text-align:center;padding:34px 0 22px}.hero h1{font-size:clamp(26px,4.4vw,38px);line-height:1.2;letter-spacing:-.6px;margin:0 0 10px}.lede{max-width:640px;margin:0 auto;color:#475569;font-size:17px}.card{background:#fff;border:1px solid #e5e9f0;border-radius:16px;padding:24px;margin-bottom:20px;box-shadow:0 1px 2px rgba(15,23,42,.04),0 4px 16px rgba(15,23,42,.04)}.drop{display:flex;flex-direction:column;align-items:center;gap:4px;border:2px dashed #bcd0f7;border-radius:14px;padding:30px 16px;text-align:center;cursor:pointer;background:#f7faff;transition:.15s}.drop:hover,.drop.over{background:#eaf1ff;border-color:#2563eb}.drop strong{font-size:17px;margin-top:6px}.drop span{color:#475569}.drop small{color:#64748b;margin-top:4px}.opts{margin-top:20px;display:grid;gap:16px}.grp{border:1px solid #edf0f5;border-radius:12px;padding:16px;margin:0;min-width:0}legend{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#64748b;padding:0 6px}.chips{display:grid;grid-template-columns:repeat(8,1fr);gap:8px}.chip{height:40px;border:1px solid #d5dce6;background:#fff;border-radius:10px;cursor:pointer;font-family:inherit;font-weight:600;font-size:14px;color:#334155;transition:.12s}.chip:hover{border-color:#2563eb;color:#2563eb}.chip.on{background:#2563eb;border-color:#2563eb;color:#fff;box-shadow:0 2px 8px rgba(37,99,235,.3)}@media(max-width:720px){.chips{grid-template-columns:repeat(4,1fr)}}.grid2{display:grid;grid-template-columns:1fr 1.6fr;gap:16px}@media(max-width:720px){.grid2{grid-template-columns:1fr}}.field{display:flex;flex-direction:column;gap:6px}.field label{font-size:14px;font-weight:600;color:#334155}.field.inline{flex-direction:row;align-items:center;gap:12px;margin-top:14px}.dims{display:grid;grid-template-columns:1fr 1fr;gap:12px}.suffix{display:flex;align-items:center;border:1px solid #d5dce6;border-radius:10px;background:#fff;overflow:hidden}.suffix:focus-within,select:focus{border-color:#2563eb;box-shadow:0 0 0 3px rgba(37,99,235,.15);outline:0}.suffix input{border:0;outline:0;padding:10px 12px;font:inherit;width:100%;min-width:0}.suffix span{padding:0 12px;color:#64748b;font-size:14px;background:#f8fafc;align-self:stretch;display:flex;align-items:center;border-left:1px solid #edf0f5}.field.inline .suffix{width:150px}select{width:100%;padding:10px 12px;border:1px solid #d5dce6;border-radius:10px;font:inherit;background:#fff}.check{display:flex;align-items:center;gap:8px;margin-top:12px;font-size:14px;color:#334155}.check input{accent-color:#2563eb;width:16px;height:16px}.btn{background:#2563eb;color:#fff;border:0;border-radius:10px;padding:12px 26px;font-family:inherit;font-weight:600;font-size:16px;cursor:pointer;box-shadow:0 2px 8px rgba(37,99,235,.25)}.btn:hover{background:#1d4ed8}.btn:disabled{background:#94a3b8;box-shadow:none;cursor:default}#work{margin-top:20px}.prev{display:grid;grid-template-columns:1fr 1fr;gap:16px}.prev figure{margin:0;text-align:center;background:#f8fafc;border:1px solid #edf0f5;border-radius:12px;padding:12px}.prev img{max-width:100%;max-height:260px;border-radius:8px}figcaption{font-size:14px;color:#475569;margin-top:8px}.act{text-align:center;margin-top:16px}.note{display:flex;align-items:center;justify-content:center;gap:6px;font-size:13px;color:#64748b;margin:18px 0 0}.err{color:#b91c1c;font-size:14px;margin:8px 0 0}.err:empty{display:none}.prose h2{font-size:24px;letter-spacing:-.3px;margin:0 0 12px}.prose h3{font-size:18px;margin:20px 0 8px}.prose p,.prose li{color:#334155}.prose li{margin:6px 0}.tbl{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:15px}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid #edf0f5}th{background:#f8fafc;font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:#64748b}.qa{border:1px solid #edf0f5;border-radius:10px;margin:10px 0;padding:0 16px}.qa summary{cursor:pointer;list-style:none;padding:14px 0;display:flex;justify-content:space-between;align-items:center}.qa summary::after{content:"+";font-size:20px;color:#2563eb}.qa[open] summary::after{content:"–"}.qa summary::-webkit-details-marker{display:none}.qa h3{font-size:16px;margin:0}.qa p{margin:0 0 14px}.crumb{font-size:14px;color:#64748b;margin:0 0 8px}.upd{font-size:13px;color:#94a3b8;margin-top:-4px}.prose h1{font-size:30px;margin:0 0 6px}main .prose:first-child{margin-top:28px}.ftr{background:#0f172a;color:#cbd5e1;margin-top:40px;padding-top:40px;font-size:14px}.ftr .brand{color:#fff}.ftr .brand span{color:#60a5fa}.fgrid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:24px}.fgrid h3{color:#fff;font-size:13px;text-transform:uppercase;letter-spacing:.06em;margin:0 0 12px}.fgrid nav a{display:block;color:#cbd5e1;text-decoration:none;margin:6px 0}.fgrid nav a:hover{color:#fff}.copy{border-top:1px solid #1e293b;margin-top:30px;padding:16px 18px;color:#94a3b8;font-size:13px}@media(max-width:720px){.fgrid{grid-template-columns:1fr 1fr}.fgrid>div:first-child{grid-column:1/-1}.card{padding:18px}}.sticky{display:none}@media(max-width:640px){.prev{grid-template-columns:1fr}.sticky.show{display:flex;position:fixed;left:0;right:0;bottom:0;background:#fff;border-top:1px solid #e5e9f0;padding:10px 14px;justify-content:space-between;align-items:center;z-index:30}body{padding-bottom:70px}}.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.skip{position:absolute;left:-9999px;top:0;background:#2563eb;color:#fff;padding:8px 12px;z-index:99}.skip:focus{left:8px}.seg{display:inline-flex;border:1px solid #cbd5e1;border-radius:10px;overflow:hidden;margin-bottom:12px}.seg label{display:flex;align-items:center;gap:6px;padding:10px 14px;min-height:44px;cursor:pointer;font-size:.92rem}.seg input{accent-color:#fff}.suffix select{border:0;background:transparent;font:inherit;padding:0 8px;min-height:40px}.trust{list-style:none;display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:center;padding:0;margin:14px 0 22px;color:#15803d;font-weight:600;font-size:.92rem}.stats{font-size:.92rem;color:#334155;text-align:center;margin:8px 0}.warn{background:#fff7ed;border:1px solid #fdba74;border-radius:10px;padding:10px 14px}.btn.sm{padding:8px 14px;font-size:.9rem;min-height:44px;margin:2px 4px 2px 0}caption{text-align:left;font-weight:600;padding:6px 0}th[scope=row]{text-align:left;font-weight:600}:focus-visible{outline:3px solid #2563eb;outline-offset:2px}.chip,.btn,select,input{min-height:44px}#dpiBox[hidden],#rangeBox[hidden],#singleBox[hidden]{display:none}@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}@font-face{font-family:"Plus Jakarta Sans";font-style:normal;font-weight:400;font-display:swap;src:url(/assets/fonts/plus-jakarta-sans-400.woff2) format("woff2")}@font-face{font-family:"Plus Jakarta Sans";font-style:normal;font-weight:500;font-display:swap;src:url(/assets/fonts/plus-jakarta-sans-500.woff2) format("woff2")}@font-face{font-family:"Plus Jakarta Sans";font-style:normal;font-weight:600;font-display:swap;src:url(/assets/fonts/plus-jakarta-sans-600.woff2) format("woff2")}@font-face{font-family:"Plus Jakarta Sans";font-style:normal;font-weight:700;font-display:swap;src:url(/assets/fonts/plus-jakarta-sans-700.woff2) format("woff2")}@font-face{font-family:"Plus Jakarta Sans";font-style:normal;font-weight:800;font-display:swap;src:url(/assets/fonts/plus-jakarta-sans-800.woff2) format("woff2")}:root{--ink:#0f172a;--ink2:#334155;--mut:#64748b;--fill:#f1f4f8;--fill-h:#e6ebf2;--line:#eceff4;--blue:#2563eb;--spring:cubic-bezier(.34,1.56,.5,1);--ease:cubic-bezier(.3,.7,.2,1)}body{font-family:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}.card{border-color:var(--line);border-radius:20px;box-shadow:0 8px 30px rgba(15,23,42,.05)}.grp{border-color:var(--line);border-radius:16px}legend{font-size:11px;letter-spacing:.08em}.menu a{border-radius:999px;transition:background .2s,color .2s}.drop{border:2px dashed #c9d7f2;border-radius:18px;background:#f8faff;transition:background .25s,border-color .25s,transform .35s var(--spring),box-shadow .25s}.drop:hover,.drop.over{background:#eff4ff;border-color:var(--blue);transform:translateY(-2px);box-shadow:0 10px 24px rgba(37,99,235,.10)}.drop svg{transition:transform .35s var(--spring)}.drop:hover svg,.drop.over svg{transform:translateY(-3px)}.drop strong{color:var(--ink)}.seg{position:relative;display:inline-grid;grid-template-columns:1fr 1fr;border:0;border-radius:999px;background:var(--fill);padding:4px;overflow:visible;margin-bottom:14px}.seg::before{content:"";position:absolute;top:4px;bottom:4px;left:4px;width:calc(50% - 4px);border-radius:999px;background:#fff;box-shadow:0 2px 8px rgba(15,23,42,.10),0 1px 2px rgba(15,23,42,.06);transition:transform .45s var(--spring)}.seg.is-range::before{transform:translateX(100%)}.seg label{position:relative;z-index:1;justify-content:center;min-height:0;padding:9px 20px;border-radius:999px;font-weight:600;font-size:14px;color:var(--mut);transition:color .25s;white-space:nowrap}.seg label:hover{color:var(--ink)}.seg label:has(input:focus-visible){outline:2px solid var(--ink);outline-offset:2px}.seg input{position:absolute;opacity:0;width:1px;height:1px;margin:0;pointer-events:none}.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{min-height:0;height:38px;padding:0 16px;border:0;border-radius:999px;background:var(--fill);color:var(--ink2);font-weight:600;font-size:13.5px;font-variant-numeric:tabular-nums;transition:background .2s,color .2s,box-shadow .2s,transform .3s var(--spring)}.chip:hover{background:var(--fill-h);color:var(--ink);transform:translateY(-1px)}.chip:active{transform:scale(.95)}.chip.on{background:var(--ink);color:#fff;box-shadow:0 6px 14px rgba(15,23,42,.18)}.tool.live .chip.on{animation:pop .4s var(--spring)}@keyframes pop{0%{transform:scale(.92)}100%{transform:scale(1)}}.field label{font-size:13px;font-weight:600;color:var(--ink2)}.field.inline{margin-top:16px}.suffix{min-height:0;height:44px;border:1.5px solid transparent;border-radius:12px;background:var(--fill);transition:background .2s,border-color .2s,box-shadow .2s}.suffix:hover{background:var(--fill-h)}.suffix:focus-within{background:#fff;border-color:var(--ink);box-shadow:0 0 0 4px rgba(15,23,42,.06)}.suffix input{min-height:0;height:100%;padding:0 14px;background:none;font-weight:500;font-size:14px;color:var(--ink)}.suffix span{background:none;border:0;font-weight:600;font-size:13px;color:#475569;padding:0 14px}.suffix select{min-height:0;height:100%;width:auto;border:0;border-radius:0;background:transparent;font-weight:600;font-size:13px;color:var(--ink2);padding:0 10px;cursor:pointer}.suffix select:focus{box-shadow:none}.field.inline .suffix{width:170px}select{min-height:0;height:44px;appearance:none;-webkit-appearance:none;border:1.5px solid transparent;border-radius:12px;background:var(--fill) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23334155' stroke-width='2.5'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 14px center;padding:0 38px 0 14px;font-weight:500;font-size:14px;color:var(--ink);cursor:pointer;transition:background-color .2s,border-color .2s,box-shadow .2s}select:hover{background-color:var(--fill-h)}select:focus{outline:0;background-color:#fff;border-color:var(--ink);box-shadow:0 0 0 4px rgba(15,23,42,.06)}.suffix select,.suffix select:hover,.suffix select:focus{background-image:none;background-color:transparent;border:0;padding-right:10px}#dpi{min-height:0;height:44px;border:1.5px solid transparent;border-radius:12px;background:var(--fill);padding:0 14px;font:500 14px "Plus Jakarta Sans",sans-serif;color:var(--ink);transition:background .2s,border-color .2s}#dpi:hover{background:var(--fill-h)}#dpi:focus{outline:0;background:#fff;border-color:var(--ink)}.check{gap:10px;margin-top:14px;cursor:pointer;font-weight:500}.check input{appearance:none;-webkit-appearance:none;position:relative;flex:none;width:40px;height:24px;min-height:0;margin:0;border-radius:999px;background:#d7dde6;cursor:pointer;transition:background .25s}.check input::after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.2);transition:transform .35s var(--spring)}.check input:checked{background:#22c55e}.check input:checked::after{transform:translateX(16px)}.btn{min-height:0;height:46px;padding:0 24px;border-radius:999px;font-weight:700;font-size:15px;box-shadow:0 8px 20px rgba(37,99,235,.28);transition:transform .3s var(--spring),box-shadow .2s,background .2s}.btn:hover{background:var(--blue);transform:translateY(-2px);box-shadow:0 12px 26px rgba(37,99,235,.34)}.btn:active{transform:scale(.97)}.btn:disabled{background:#cbd5e1;color:#fff;box-shadow:none;transform:none}a.btn{display:inline-flex;align-items:center;text-decoration:none}.btn.sm{height:38px;min-height:0;padding:0 16px;font-size:13.5px;font-weight:600;background:var(--fill);color:var(--ink);box-shadow:none}.btn.sm:hover{background:var(--fill-h);box-shadow:none}:focus-visible{outline:2px solid var(--ink);outline-offset:3px}.tool.live #singleBox:not([hidden]),.tool.live #rangeBox:not([hidden]),.tool.live #dpiBox:not([hidden]){animation:paneIn .28s var(--ease)}#work:not([hidden]){animation:paneIn .35s var(--ease)}@keyframes paneIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.prev figure{border-color:var(--line);border-radius:16px;background:#f8fafc}.card.prose{content-visibility:auto;contain-intrinsic-size:auto 900px}.stats .warnnote{display:block;margin-top:6px;color:#9a3412;font-weight:600}.qa{border-color:var(--line);border-radius:14px;transition:background .2s,border-color .2s}.qa:hover{border-color:#dfe5ee;background:#fbfcfe}.sticky.show{border-top-color:var(--line);box-shadow:0 -6px 20px rgba(15,23,42,.06)}@media (pointer:coarse){.chip,.btn.sm{height:42px}.seg label{padding:11px 18px}}@media(max-width:720px){.seg{display:grid;width:100%}.seg label{padding-left:10px;padding-right:10px}.chip{flex:1 1 calc(25% - 8px);padding:0 8px}.field.inline .suffix{flex:1;width:auto}}@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}.trust li{display:inline-flex;align-items:center;gap:6px}.trust li::before{content:"";width:15px;height:15px;flex:none;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2315803d' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") no-repeat center/contain}.note svg{flex:none}.hero .crumb{display:flex;justify-content:center;flex-wrap:wrap;gap:6px;font-size:13px;color:var(--mut);margin:0 0 12px}.crumb a{color:var(--mut);text-decoration:none}.crumb a:hover{color:var(--blue);text-decoration:underline}.menu a[aria-current=page]{background:#eff4ff;color:var(--blue)}.sizecards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:16px 0}.sizecard{border:1px solid var(--line);border-radius:16px;padding:16px;background:#fbfcfe;transition:border-color .2s,box-shadow .2s,transform .3s var(--spring)}.sizecard:hover{border-color:#cfdaf0;box-shadow:0 8px 20px rgba(15,23,42,.06);transform:translateY(-2px)}.sizecard h3{margin:0 0 6px;font-size:17px}.sizecard h3 a{color:var(--ink);text-decoration:none}.sizecard h3 a:hover{color:var(--blue)}.sizecard p{margin:0 0 10px;font-size:14.5px}.sizecard p:last-child{margin:0}.rel{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.rel .btn.sm{margin:0}.calc h2{font-size:20px;margin:0 0 14px}.calcgrid{display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:end;margin-bottom:14px}.calcgrid .suffix{width:100%}.swapico{display:flex;align-items:center;justify-content:center;height:44px;color:var(--mut)}.calcout{margin:14px 0 4px;padding:12px 16px;border-radius:12px;background:#eff4ff;color:#1e3a8a;font-weight:700;font-size:17px;font-variant-numeric:tabular-nums}.calcnote{margin:8px 0 0;font-size:14px;color:#475569}@media(max-width:560px){.calcgrid{grid-template-columns:1fr}.swapico{height:auto;transform:rotate(90deg)}}.answer{border-left:4px solid var(--blue);background:#f8faff}.answer p{margin:0;font-size:16px;line-height:1.65}.toc h2{font-size:18px;margin:0 0 10px}.toc ol{columns:2;column-gap:28px;margin:0;padding-left:20px}.toc li{margin:4px 0;break-inside:avoid;font-size:14.5px}.toc a{color:var(--ink2);text-decoration:none}.toc a:hover{color:var(--blue);text-decoration:underline}@media(max-width:640px){.toc ol{columns:1}}.gloss dt{font-weight:700;margin-top:12px;color:var(--ink)}.gloss dd{margin:2px 0 0;color:#334155}.postcard{border:1px solid var(--line);border-radius:16px;padding:18px;margin:12px 0}.postcard h3{margin:0 0 8px;font-size:18px}.postcard h3 a{color:var(--ink);text-decoration:none}.postcard h3 a:hover{color:var(--blue)}.prose code{background:#f1f4f8;border-radius:6px;padding:1px 6px;font-size:.92em}@media(max-width:720px){.sizecards{grid-template-columns:1fr}}.crumb,.crumb a,.hero .crumb{color:#475569}.seg{grid-template-columns:repeat(3,1fr)}.seg::before{width:calc((100% - 8px)/3)}.seg.is-range::before{transform:none}.seg[data-mode=range]::before{transform:translateX(100%)}.seg[data-mode=increase]::before{transform:translateX(200%)}.seg label{color:var(--mut)}.seg[data-mode=single] label:nth-of-type(1),.seg[data-mode=range] label:nth-of-type(2),.seg[data-mode=increase] label:nth-of-type(3){color:var(--ink)}.hint{margin:10px 0 0;font-size:13px;color:#475569}.prev img{width:auto;height:auto;max-width:100%;max-height:260px}.cropwrap{position:relative;display:inline-block;max-width:100%;line-height:0;overflow:hidden;border-radius:8px}.cropwrap img{display:block;border-radius:0}.cropbox{position:absolute;box-sizing:border-box;border:2px solid #fff;outline:1px solid rgba(15,23,42,.35);box-shadow:0 0 0 9999px rgba(15,23,42,.45);cursor:move;touch-action:none;transition:box-shadow .2s}.cropbox::before,.cropbox::after{content:"";position:absolute;inset:33.33% 0;border-top:1px solid rgba(255,255,255,.45);border-bottom:1px solid rgba(255,255,255,.45);pointer-events:none}.cropbox::after{inset:0 33.33%;border:0;border-left:1px solid rgba(255,255,255,.45);border-right:1px solid rgba(255,255,255,.45)}.cropbox.dragging{box-shadow:0 0 0 9999px rgba(15,23,42,.6)}.cropbox:focus-visible{outline:3px solid var(--blue);outline-offset:0}.cropctl{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px 12px;margin-top:10px;font-size:13px;color:#475569}.cropctl label{font-weight:600}.cropctl input[type=range]{width:140px;min-height:0;accent-color:var(--ink)}.cropctl .btn.sm{height:32px;padding:0 12px;margin:0}.cropctl .hint{flex-basis:100%;margin:0;text-align:center}#batchBox{margin-top:20px}.batch{list-style:none;margin:0;padding:0;border:1px solid var(--line);border-radius:14px;overflow:hidden}.batch li{display:flex;align-items:center;gap:10px;padding:10px 14px;border-top:1px solid var(--line);font-size:14px}.batch li:first-child{border-top:0}.batch .bname{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600;color:var(--ink)}.batch .binfo{color:#475569;font-variant-numeric:tabular-nums;white-space:nowrap}.batch li.bad .binfo{color:#9a3412;white-space:normal}.batch .bdl{height:32px;padding:0 12px;margin:0}@media(max-width:560px){.batch li{flex-wrap:wrap}.batch .bname{flex-basis:100%}}.calcgrid3{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:6px}.calcgrid3 input{min-height:0;height:44px;border:1.5px solid transparent;border-radius:12px;background:var(--fill);padding:0 14px;font:500 14px "Plus Jakarta Sans",sans-serif;color:var(--ink);width:100%}.calcgrid3 input:focus{outline:0;background:#fff;border-color:var(--ink)}@media(max-width:560px){.calcgrid3{grid-template-columns:1fr 1fr}}.formula{font-size:18px;text-align:center;background:#f8faff;border-radius:12px;padding:12px}html[lang=hi] body{font-family:"Plus Jakarta Sans","Nirmala UI","Noto Sans Devanagari","Mangal","Kohinoor Devanagari",system-ui,sans-serif;line-height:1.75}html[lang=hi] h1,html[lang=hi] h2,html[lang=hi] h3{letter-spacing:0;line-height:1.4}.hrow{gap:10px}.menu{margin-left:auto;align-items:center}.menu>a{transition:background .2s,color .2s}.menu>a[aria-current=page]{background:#eff4ff;color:var(--blue)}.dd{position:relative}.dd>summary{list-style:none;display:flex;align-items:center;gap:7px;cursor:pointer;padding:8px 12px;border-radius:999px;font-size:15px;font-weight:500;color:#334155;user-select:none;transition:background .2s,color .2s}.dd>summary::-webkit-details-marker{display:none}.dd>summary::after{content:"";width:6px;height:6px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:translateY(-2px) rotate(45deg);transition:transform .25s var(--ease)}.dd[open]>summary::after{transform:translateY(1px) rotate(-135deg)}.dd>summary:hover,.dd[open]>summary,.dd.current>summary{background:#eff4ff;color:var(--blue)}.dd>summary:focus-visible{outline:2px solid var(--ink);outline-offset:2px}.ddmenu{position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%);width:min(500px,calc(100vw - 32px));display:grid;grid-template-columns:1fr 1fr;gap:4px 16px;padding:14px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 18px 44px rgba(15,23,42,.14);z-index:50}.dd[open] .ddmenu{animation:ddIn .22s var(--ease)}@keyframes ddIn{from{opacity:0;transform:translateX(-50%) translateY(-6px)}to{opacity:1;transform:translateX(-50%)}}.ddhead{margin:4px 10px 6px;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--mut)}.menu .ddgroup a{display:block;padding:8px 10px;border-radius:10px;font-size:14px;font-weight:500;color:var(--ink2);text-decoration:none;transition:background .15s,color .15s}.menu .ddgroup a:hover{background:var(--fill);color:var(--ink)}.menu .ddgroup a[aria-current=page]{background:#eff4ff;color:var(--blue);font-weight:600}.langtoggle{position:relative;display:inline-grid;grid-template-columns:1fr 1fr;flex:none;background:var(--fill);border-radius:999px;padding:3px}.langtoggle::before{content:"";position:absolute;top:3px;bottom:3px;left:3px;width:calc(50% - 3px);border-radius:999px;background:#fff;box-shadow:0 1px 4px rgba(15,23,42,.14);transition:transform .35s var(--spring)}.langtoggle:has(a[lang=hi][aria-current])::before{transform:translateX(100%)}.langtoggle a{position:relative;z-index:1;min-width:38px;padding:5px 10px;text-align:center;border-radius:999px;font-size:13px;font-weight:700;line-height:1.4;color:var(--mut);text-decoration:none;transition:color .2s}.langtoggle a:hover{color:var(--ink)}.langtoggle a[aria-current]{color:var(--ink)}.langtoggle a:focus-visible{outline:2px solid var(--ink);outline-offset:2px}@media(max-width:720px){.hrow{gap:8px}.brand{margin-right:auto}.menu{margin-left:0}.menu .dd>summary{padding:12px;justify-content:space-between;font-size:15px}.ddmenu,.dd[open] .ddmenu{position:static;transform:none;width:auto;grid-template-columns:1fr;gap:2px;padding:0 0 6px 8px;border:0;box-shadow:none;animation:none}.menu .ddgroup a{padding:10px 12px}}.langtoggle a[lang=hi]{font-family:"Nirmala UI","Noto Sans Devanagari","Mangal","Kohinoor Devanagari",sans-serif}@media(max-width:720px){.menu{align-items:stretch}.menu>a{text-align:left;border-radius:12px}.menu .dd>summary{border-radius:12px}}.crumb a{text-decoration:underline;text-decoration-color:#cbd5e1;text-underline-offset:3px}.crumb a:hover{text-decoration-color:currentColor}.tocmore{margin-top:6px}.tocmore>summary{cursor:pointer;display:inline-flex;align-items:center;gap:6px;margin:6px 0 2px;padding:6px 12px;border-radius:999px;font-size:14px;font-weight:600;color:var(--blue);background:#eff4ff;list-style:none;transition:background .2s}.tocmore>summary::-webkit-details-marker{display:none}.tocmore>summary:hover{background:#e2ebff}.tocmore>summary:focus-visible{outline:2px solid var(--ink);outline-offset:2px}.tocmore[open]>summary{margin-bottom:8px}.drop .d-chg,.drop .d-touch{display:none}@media (hover:none) and (pointer:coarse){.drop .d-desk{display:none!important}.drop:not(.has) .d-new.d-touch,.drop.has .d-chg.d-touch{display:inline!important}}.drop.has{flex-direction:row;flex-wrap:wrap;justify-content:center;gap:4px 10px;padding:12px 16px;border-style:solid;border-width:1.5px;scroll-margin-top:84px}.drop.has .d-new,.drop.has small{display:none}.drop.has .d-chg{display:inline}.drop.has .d-chg.d-touch{display:none}.drop.has svg{width:22px;height:22px}.drop.has strong{margin-top:0;font-size:16px;color:var(--blue)}.drop.has #dropHelp{font-size:14px}.stats .okline{display:block;font-size:1.05rem;font-weight:700;color:#15803d}.stats .nextline{display:block;margin-top:2px;color:#334155}.stats .tech{margin-top:8px;font-size:.85rem;color:#64748b}.stats .tech>summary{cursor:pointer;display:inline-block;padding:2px 10px;border-radius:999px;color:#475569;font-weight:600}.stats .tech>summary:hover{background:#f1f5f9}.stats .tech>summary:focus-visible{outline:2px solid var(--ink);outline-offset:2px}.stats .tech>span{display:block;margin-top:4px}.saved{margin:12px auto 0;max-width:520px;padding:12px 14px;border-radius:14px;background:#f0fdf4;border:1px solid #bbf7d0;color:#14532d;text-align:center;font-size:.95rem;scroll-margin:90px}.saved strong{display:block}.saved span{display:block;margin-top:2px;font-size:.85rem;color:#166534;word-break:break-all}.saved:not([hidden]){animation:paneIn .35s var(--ease)}