@font-face{font-family:Literata Fallback;src:local(Times New Roman),local(TimesNewRomanPSMT),local(Liberation Serif),local(LiberationSerif);font-weight:100 549;font-style:normal;size-adjust:118.9%;ascent-override:99%;descent-override:25.9%;line-gap-override:0%}@font-face{font-family:Literata Fallback;src:local(Times New Roman Bold),local(TimesNewRomanPS-BoldMT),local(Liberation Serif Bold),local(LiberationSerif-Bold);font-weight:550 1000;font-style:normal;size-adjust:112.1%;ascent-override:105%;descent-override:27.5%;line-gap-override:0%}@font-face{font-family:Literata;src:url(/fonts/literata-latin-opsz-normal.woff2)format("woff2");font-weight:200 900;font-style:normal;font-display:swap;unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Literata;src:url(/fonts/literata-cyrillic-opsz-normal.woff2)format("woff2");font-weight:200 900;font-style:normal;font-display:swap;unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Golos Text;src:url(/fonts/golos-text-latin-wght-normal.woff2)format("woff2");font-weight:400 900;font-style:normal;font-display:swap;unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Golos Text;src:url(/fonts/golos-text-cyrillic-wght-normal.woff2)format("woff2");font-weight:400 900;font-style:normal;font-display:swap;unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}:root{--bg:#061823;--bezel:#0e232f;--bezel-hi:#172d3a;--screen:#030f18;--line:#20333f;--line-2:#3c505d;--f-ink:#f2eee6;--f-ink-2:#b9c3c9;--f-ink-3:#909ea6;--sig:#ffb54a;--sig-ink:#170f03;--logo-b:#3f5866;--top-bg:#061823f0;--tabs-bg:#071a26;--pop-shadow:0 30px 80px #000408bf;--f-sans:var(--sans);--f-display:var(--sans);--f-mono:ui-monospace, Menlo, Consolas, monospace;--display-track:-.02em;--t-lbl:.75rem;--t-small:.875rem;--gut:16px;--max:1200px;--top-h:56px;--tabs-h:64px;--tabs-space:calc(var(--tabs-h) + env(safe-area-inset-bottom,0px))}@media (width>=900px){:root{--gut:24px;--top-h:64px;--tabs-space:0px}}:root{--ground:#c4ccd2;--ground-hi:#dde2e6;--ground-lo:#9ea9b2;--enamel:#f9f6f2;--enamel-2:#e9e6e0;--plate:#f0ede9;--plate-2:#e2ddd8;--paper:#fbf8f1;--ink:#26201c;--ink-2:#48423e;--ink-3:#4f4945;--rule:#26201c1f;--accent:#e95c12;--accent-deep:#c34200;--accent-text:#8f3100;--graphite:#2f3338;--sand:#dec7a3;--sand-2:#ceb38d;--slate:#46625a;--slate-2:#35514a;--focus:#26201c;--cv-accent:#e95c12;--cv-accent-deep:#c34200;--cv-graphite:#2f3338;--cv-ink:#26201c;--cv-ink-2:#534d49;--cv-plate:#f0ede9;--cv-enamel:#f9f6f2;--serif:"Literata", "Literata Fallback", "Iowan Old Style", "Palatino Linotype", Georgia, serif;--sans:"Golos Text", system-ui, -apple-system, "Segoe UI", sans-serif;--mono:ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;--fs-2xs:11.5px;--fs-xs:12.5px;--fs-sm:13.5px;--fs-md:15px;--fs-lg:17px;--fs-xl:20px;--fs-2xl:24px;--fs-3xl:30px;--fs-4xl:40px;--lh-tight:1.08;--lh-snug:1.2;--lh-body:1.55;--track-display:-.02em;--s-1:4px;--s-2:8px;--s-3:12px;--s-4:16px;--s-5:20px;--s-6:24px;--s-8:32px;--s-10:40px;--s-12:48px;--gutter:8px;--page:1280px;--r-key:9px;--r-key-lg:14px;--r-plate:16px;--r-panel:22px;--r-device:30px;--ease:cubic-bezier(.2, .8, .2, 1);--ease-motor:cubic-bezier(.2, .9, .22, 1.06);--t-key:80ms;--t-quick:.16s;--t-move:.3s;--steel:repeating-linear-gradient(90deg, #ffffff12 0 1px, #00000009 1px 2px), linear-gradient(180deg, #f6f5f2 0%, #dedbd6 46%, #cfcbc5 54%, #e7e4df 100%);--well:0 0 0 2px #e9e5df, 0 0 0 3px #5042346b;--knurl:linear-gradient(90deg, #00000052 0%, #fff6 26%, #ffffff0d 52%, #0000001f 74%, #0006 100%), repeating-linear-gradient(45deg, #28242052 0 1px, transparent 1px 4px), repeating-linear-gradient(-45deg, #28242052 0 1px, #ffffff1f 1px 2px, transparent 2px 4px), linear-gradient(180deg, #f1f0ed 0%, #c9c6c0 55%, #a7a39d 100%);--enamel-face:radial-gradient(90% 40% at 22% 0%, #fffffff2 0%, #fff0 70%), linear-gradient(180deg, var(--enamel) 0%, var(--enamel) 55%, var(--enamel-2) 100%);--enamel-shadow:inset 0 1.5px 0 #fff, inset 0 -3px 0 #7864501f, inset 0 0 0 1px #ffffff80, 0 1px 2px #1e242a2e, 0 10px 18px -8px #1e242a52, 0 44px 70px -24px #1e242a73;--plate-inset:inset 0 3px 7px #3c2c1e38, inset 0 1px 1.5px #3c2c1e4d, inset 0 -1px 0 #fffc, 0 0 0 3px #ffffffd9, 0 0 0 4px #7868582e;--rail:linear-gradient(180deg, #2a2724 0%, #45403b 60%, #5d5750 100%);--led-off:radial-gradient(circle at 35% 30%, #fff, #c9c1b6 70%);--led-on:radial-gradient(circle at 35% 30%, #ffe0c8, var(--accent) 60%);--led-glow:0 0 6px 1px #e95c12cc;--led-graphite:radial-gradient(circle at 35% 30%, #c8ccd2, #3d4248 70%)}@media (width>=760px){:root{--gutter:24px;--fs-3xl:34px;--fs-4xl:48px;--r-device:40px}}.f-scope{color-scheme:dark;--ink:var(--f-ink);--ink-2:var(--f-ink-2);--ink-3:var(--f-ink-3);--focus:var(--f-ink);--rule:var(--line);--enamel:var(--bezel);--paper:var(--bezel);--accent:var(--sig);--accent-text:var(--sig);--led-on:var(--sig);--serif:var(--f-display);--mono:var(--f-mono);--track-display:var(--display-track);color:var(--ink)}[data-motion=off] *,[data-motion=off] :before,[data-motion=off] :after{transition:none!important;animation:none!important}@media (prefers-reduced-motion:reduce){html:not([data-motion=on]) *,html:not([data-motion=on]) :before,html:not([data-motion=on]) :after{transition:none!important;animation:none!important}}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-top:calc(var(--top-h) + var(--s-4));scroll-padding-bottom:calc(var(--tabs-space) + var(--s-4));overflow-x:clip}body{min-height:100svh;padding-bottom:var(--tabs-space);font:400 var(--fs-md) / var(--lh-body) var(--sans);font-variant-numeric:tabular-nums;color:var(--ink);background:url(/img/grain.svg), radial-gradient(130% 80% at 50% -10%, var(--ground-hi) 0%, var(--ground) 48%, var(--ground-lo) 100%) fixed;background-color:var(--ground);overflow-wrap:break-word;margin:0;overflow-x:clip}body.f-scope{background:radial-gradient(1100px 620px at 72% -80px, #12384a, transparent 70%) no-repeat, var(--bg)}body.f-scope:after{content:"";z-index:60;pointer-events:none;opacity:.07;mix-blend-mode:overlay;background:url(/img/grain.svg);position:fixed;inset:0}h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0}h1,h2,h3{font-family:var(--serif);font-optical-sizing:auto;letter-spacing:-.012em;font-weight:600;line-height:var(--lh-snug);text-wrap:balance}p,li,dd{text-wrap:pretty}ul,ol{padding-left:1.25em}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer;-webkit-tap-highlight-color:transparent}a{color:var(--ink);text-decoration-line:underline;text-decoration-color:color-mix(in srgb, currentColor 40%, transparent);text-underline-offset:3px;text-decoration-thickness:1px}a:hover{text-decoration-color:currentColor}.fine a,.notice a,.steps a,.legal p a,.quiz-notes a,.share-type-url a,.tg-legal-links a,[data-legal-contact] a{align-items:center;min-width:44px;min-height:44px;margin-block:-12px;padding-block:6px;display:inline-flex}code{font-family:var(--mono);overflow-wrap:anywhere;font-size:.92em}strong,b{font-weight:650}img,svg,canvas{max-width:100%}:focus-visible{outline:3px solid var(--focus);outline-offset:3px}[hidden]{display:none!important}.vh,.visually-hidden{clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;position:absolute!important}.skip-link{left:var(--s-2);z-index:60;background:var(--f-ink);color:var(--bg);border-radius:6px;padding:10px 14px;font-weight:600;text-decoration:none;position:absolute;top:-80px;box-shadow:0 4px 12px #00060c80}.skip-link:focus{top:var(--s-2)}main:focus{outline:none}.table-wrap{overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch;position:relative;overflow-x:auto}.table-wrap:focus-visible{outline-offset:2px;border-radius:8px}table{border-collapse:collapse;width:100%;font-size:var(--fs-xs)}caption{caption-side:top;text-align:left;padding:0 0 var(--s-2);font-size:var(--fs-xs);color:var(--ink-2)}th,td{text-align:left;vertical-align:top;border-bottom:1px solid var(--rule);padding:7px 10px 7px 0}thead th{vertical-align:bottom;border-bottom:1px solid #26201c47;font-weight:650}tbody tr:last-child>*{border-bottom:0}th[scope=row]{font-weight:500}td.num,th.num,td.n,th.n{text-align:right;white-space:nowrap}.wrap{width:min(var(--page), 100% - 2 * var(--gutter));margin-inline:auto}.banner{padding:5px var(--gut) 4px;font:500 var(--t-lbl) / 1.3 var(--f-mono);text-align:center;color:var(--ink-2);background:var(--screen);margin:0}.banner .led{margin-right:7px}.top{z-index:40;height:var(--top-h);padding:0 max(var(--gut), env(safe-area-inset-right,0px)) 0 max(var(--gut), env(safe-area-inset-left,0px));background:var(--top-bg);border-bottom:1px solid var(--line);align-items:center;gap:12px;display:flex;position:sticky;top:0}.f-scope a,.site-foot a:hover{text-decoration:none}.wordmark{min-height:44px;color:var(--ink);align-items:center;gap:10px;font-size:1.0625rem;font-weight:640;display:inline-flex}.wordmark:before{content:"";background:linear-gradient(var(--sig) 0 0) 18px 0 / 2px 12px, linear-gradient(90deg, var(--f-ink) 18px, #0000 0 20px, var(--logo-b) 0) 0 2px / 30px 8px;background-repeat:no-repeat;width:30px;height:12px}.site-nav{z-index:40;height:var(--tabs-space);padding:0 8px env(safe-area-inset-bottom,0px);background:var(--tabs-bg);border-top:1px solid var(--line);position:fixed;inset:auto 0 0}.site-nav ul,.lang-keys ul,.foot-map ul,.foot-legal ul{height:100%;margin:0;padding:0;list-style:none;display:flex}.site-nav li{flex:1;min-width:0}.site-nav a{white-space:nowrap;height:100%;color:var(--ink-2);flex-direction:column;justify-content:center;align-items:center;gap:3px;font-size:.75rem;display:flex}.site-nav [aria-current]{color:var(--ink);font-weight:620}.site-nav svg{fill:none;stroke:currentColor;stroke-width:1.7px;stroke-linecap:round;stroke-linejoin:round;border-radius:99px;width:52px;height:28px;padding:4px 16px}.site-nav [aria-current] svg{background:var(--sig);color:var(--sig-ink)}.top-keys{gap:8px;margin-left:auto;display:flex}.btn{min-height:44px;font:560 var(--t-small) / 1 var(--f-sans);white-space:nowrap;border-radius:8px;justify-content:center;align-items:center;gap:6px;padding:0 14px;display:inline-flex}.btn--line{border:1px solid var(--line-2);color:var(--ink);background:var(--bezel)}.btn--line:hover{border-color:var(--ink-3)}.btn--sig{background:var(--sig);color:var(--sig-ink);border:0;font-weight:640}.lang-btn{font:500 var(--t-lbl) / 1 var(--f-mono)}.lang-btn svg{fill:none;stroke:currentColor;stroke-width:1.4px;width:16px;height:16px}.lang-keys{inset:calc(var(--top-h) + 4px) max(var(--gut), env(safe-area-inset-right,0px)) auto auto;border:1px solid var(--line-2);background:var(--bezel);box-shadow:var(--pop-shadow);border-radius:10px;margin:0;padding:6px;position:fixed}.lang-keys ul{flex-direction:column}.lang-keys a{min-width:168px;min-height:44px;color:var(--ink);border-radius:6px;justify-content:space-between;align-items:center;gap:24px;padding:0 12px;display:flex}.lang-keys a:after{content:attr(hreflang);font:500 var(--t-lbl) / 1 var(--f-mono);text-transform:uppercase;color:var(--ink-3)}.lang-keys [aria-current]{box-shadow:inset 2px 0 var(--sig)}.lang-keys [aria-current]:after{color:var(--sig)}@media (width>=900px){.top{padding-inline:max(24px, (100vw - var(--max)) / 2);gap:24px}.site-nav{border:1px solid var(--line);background:var(--bezel);border-radius:99px;height:auto;padding:4px;position:static}.site-nav li{flex:none}.site-nav svg{display:none}.site-nav a{min-height:36px;font-size:var(--t-small);border-radius:99px;padding:0 16px;font-weight:500}.site-nav a:hover{color:var(--ink);background:var(--bezel-hi)}.site-nav [aria-current]{background:var(--sig);color:var(--sig-ink);font-weight:620}}.site-foot{margin-top:var(--s-12);padding:var(--s-8) 0;font-size:var(--t-small);color:var(--ink-2);background:var(--bg)}.site-foot .wrap,.foot-notes{gap:var(--s-5);display:grid}.foot-map{gap:var(--s-5) var(--s-6);grid-template-columns:repeat(auto-fit,minmax(150px,220px));display:grid}.foot-map ul{flex-direction:column}.foot-heading,.foot-line{font:500 var(--t-lbl) / 1.45 var(--f-mono);color:var(--ink-3)}.foot-heading{text-transform:uppercase;letter-spacing:.06em}.site-foot a{min-height:36px;color:var(--ink);align-items:center;display:inline-flex}.foot-notes{padding-top:var(--s-4);border-top:1px solid var(--line);gap:6px}.foot-legal ul,.foot-forget-row{flex-wrap:wrap;align-items:center;gap:0 20px;display:flex}.site-foot .fine{color:var(--ink-2)}.led{background:var(--led-off);border-radius:50%;flex:none;width:7px;height:7px;display:inline-block;box-shadow:inset 0 0 0 .5px #3c2c1e80}.led--on,[aria-pressed=true]>.led,[aria-current=page]>.led,[aria-checked=true]>.led,input:checked+.key>.led{background:var(--led-on);box-shadow:var(--led-glow)}.led--graphite{background:var(--led-graphite);box-shadow:inset 0 0 0 .5px #0009}.panel{padding:var(--s-5) var(--s-4);border-radius:var(--r-panel);background:var(--enamel-face);box-shadow:var(--enamel-shadow);position:relative}.panel--plate{background:linear-gradient(180deg, var(--plate), var(--plate-2));box-shadow:var(--plate-inset)}@media (width>=760px){.panel{padding:var(--s-6) var(--s-6) var(--s-6)}}.engraved{font:600 var(--fs-xl) / var(--lh-snug) var(--serif);letter-spacing:-.01em;color:var(--ink);text-shadow:0 1px #ffffffd9}.panel>.engraved,.panel-head{margin-bottom:var(--s-3)}.panel-head{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:4px 16px;display:flex}.panel-head>.engraved{margin:0}.panel p+p,.panel p+ul,.panel ul+p{margin-top:var(--s-2)}.muted{color:var(--ink-2)}.fine{font-size:var(--fs-xs);color:var(--ink-2)}.lede{font-size:var(--fs-lg);color:var(--ink);line-height:1.5}.notice{padding:var(--s-3) var(--s-4);box-shadow:inset 3px 0 0 var(--accent), 0 1px 2px #1e242a1f;font-size:var(--fs-sm);background:linear-gradient(#fff6ee,#fbeee2);border-radius:12px;gap:4px;display:grid}.notice p+p{margin:0}.notice h3{font-size:var(--fs-md)}.badge{font-size:var(--fs-2xs);color:var(--ink-2);vertical-align:.1em;align-items:center;gap:6px;margin-left:8px;font-weight:600;display:inline-flex}.badge:before{content:"";background:var(--led-on);border-radius:50%;width:6px;height:6px;box-shadow:0 0 4px #e95c1299}.demo-tag{font-size:var(--fs-2xs);letter-spacing:.02em;color:var(--accent-text);align-items:center;gap:6px;font-weight:700;display:inline-flex}