@font-face{font-family:Craftwork Grotesk;src:url(/fonts/CraftworkGrotesk-Regular.ttf) format("truetype");font-weight:400;font-display:swap}@font-face{font-family:Craftwork Grotesk;src:url(/fonts/CraftworkGrotesk-Medium.ttf) format("truetype");font-weight:500;font-display:swap}@font-face{font-family:Craftwork Grotesk;src:url(/fonts/CraftworkGrotesk-SemiBold.ttf) format("truetype");font-weight:600;font-display:swap}@font-face{font-family:Craftwork Grotesk;src:url(/fonts/CraftworkGrotesk-Bold.ttf) format("truetype");font-weight:700;font-display:swap}@font-face{font-family:Craftwork Grotesk;src:url(/fonts/CraftworkGrotesk-Heavy.ttf) format("truetype");font-weight:800;font-display:swap}@font-face{font-family:Anjhay;src:url(/fonts/Anjhay.ttf) format("truetype");font-weight:400;font-display:swap}:root{--acid:#D6E43F;--acid-bright:#E5FA00;--ink:#12160F;--paper:#F2F0E6;--paper-raised:#FBFAF4;--paper-shade:#E6E3D5;--ink-70:color-mix(in oklab,var(--ink) 70%,var(--paper));--ink-40:color-mix(in oklab,var(--ink) 40%,var(--paper));--ink-15:color-mix(in oklab,var(--ink) 15%,var(--paper));--ink-08:color-mix(in oklab,var(--ink) 8%,var(--paper));--paper-80:color-mix(in oklab,var(--paper) 80%,var(--ink));--paper-75:color-mix(in oklab,var(--paper) 75%,var(--ink));--paper-65:color-mix(in oklab,var(--paper) 65%,var(--ink));--paper-70:color-mix(in oklab,var(--paper) 70%,var(--ink));--paper-60:color-mix(in oklab,var(--paper) 60%,var(--ink));--paper-55:color-mix(in oklab,var(--paper) 55%,var(--ink));--paper-45:color-mix(in oklab,var(--paper) 45%,var(--ink));--paper-30:color-mix(in oklab,var(--paper) 30%,var(--ink));--paper-25:color-mix(in oklab,var(--paper) 25%,var(--ink));--season-autumn:#5B2A33;--season-winter:#24404F;--season-spring:#33523B;--season-summer:#2B3170;--season:var(--season-summer);--season-tint:color-mix(in oklab,var(--season) 8%,var(--paper));--border-hairline:1px solid var(--ink-15);--plate-up:var(--ink);--on-plate:var(--paper);--on-ink:var(--paper);--acid-fill:var(--acid);--acid-mark:var(--acid);--on-acid:#12160F;--season-ink:var(--season);--on-season:var(--paper);--season-autumn-ink:var(--season-autumn);--season-winter-ink:var(--season-winter);--season-spring-ink:var(--season-spring);--season-summer-ink:var(--season-summer);--scrim:color-mix(in oklab,#12160F 55%,transparent);--scrim-soft:color-mix(in oklab,#12160F 22%,transparent);--shadow-lift:0 8px 24px var(--ink-15);--kurs:#A03158;--kurs-soft:#F2E3E5;--on-kurs:#F2F0E6;--kurs-line:color-mix(in oklab,#A03158 22%,#F2F0E6);--grade-high:#2F6B3F;--grade-mid:#8A6209;--grade-low:#B4342A;--grade-none:var(--ink-70);color-scheme:light;--font-core:"Craftwork Grotesk","Arial",sans-serif;--font-script:"Anjhay",cursive;--font-mono:"JetBrains Mono",ui-monospace,monospace;--w-display:800;--w-head:700;--w-sub:600;--w-body:400;--track-display:0.18em;--track-caps:0.08em;--track-body:0;--radius-card:calc(28px * var(--r-fix,1));--radius-plate:calc(14px * var(--r-fix,1));--shadow-card:0 2px 6px rgba(18,22,15,.06),0 12px 32px rgba(18,22,15,.10);--wave-line:1.5px;--module:8px;--stage:1440px;--gutter:80px;--content:1280px;--grid-gap:24px;--gutter-m:20px;--mbar-space:100px;--mbar-h:62px;--mbar-bottom:max(14px,calc(env(safe-area-inset-bottom, 0px) - 6px));--glass-bg:color-mix(in oklab,#FBFAF4 40%,transparent);--glass-filter:blur(16px) saturate(210%) brightness(1.06);--glass-sheen:linear-gradient(180deg,color-mix(in oklab,#fff 55%,transparent),color-mix(in oklab,#fff 8%,transparent) 45%,color-mix(in oklab,#fff 0%,transparent) 70%);--glass-rim:inset 0 0 0 1px color-mix(in oklab,#fff 70%,transparent),inset 0 1.5px 1px -.5px #fff,inset 0 -1.5px 2px -1px color-mix(in oklab,#12160F 8%,transparent);--glass-shadow:0 0 0 .5px rgba(18,22,15,.10),0 2px 6px rgba(18,22,15,.06),0 10px 30px rgba(18,22,15,.12);--glass-pill:color-mix(in oklab,#12160F 8%,transparent);--glass-pill-rim:inset 0 1px 0 color-mix(in oklab,#fff 60%,transparent),inset 0 0 0 .5px color-mix(in oklab,#12160F 6%,transparent);--glass-pill-text:#12160F;--glass-pill-num:#12160F;--glass-num-idle:color-mix(in oklab,#12160F 72%,transparent);--glass-edge:color-mix(in oklab,#12160F 9%,transparent);--content-m:350px;--header-h:88px;--header-h-scrolled:60px;--header-h-m:64px;--header-h-scrolled-m:52px;--logo-h:26px;--logo-h-compact:20px;--nav-size:15px;--nav-size-scrolled:14px;--nav-gap:28px;--nav-gap-scrolled:24px;--menu-item:34px;--menu-item-pad:18px;--footer-h:344px;--footer-h-m:460px;--read-col:680px;--read-col-m:350px;--toc-col:240px;--toc-gap:80px;--tool-col:880px;--progress-h:4px;--lead:26px;--lead-m:21px;--lead-lh:1.55;--body:21px;--body-m:18px;--body-lh:1.7;--subhead:30px;--subhead-m:24px;--subhead-lh:1.2;--article-h1:46px;--article-h1-m:30px;--article-h1-lh:1.12;--meta:15px;--meta-m:13px;--btn-h:60px;--btn-h-m:56px;--btn-pad-y:18px;--btn-pad-x:32px;--btn-size:19px;--btn-size-m:16px;--btn-border:1.5px;--btn-header-h:44px;--btn-header-pad:12px 22px;--btn-header-size:15px;--btn-card-h:48px;--chip-h:44px;--chip-h-m:37px;--field-h:60px;--field-h-m:56px;--answer-h:88px;--answer-h-m:64px;--sticky-h:76px;--sticky-btn-h:52px;--sec:96px;--sec-m:32px;--page-head:56px;--page-head-m:28px;--para:32px;--para-m:28px;--inset:48px;--inset-m:36px;--card-gap:24px;--card-gap-m:12px;--card-pad-lg:40px;--card-pad:36px;--card-pad-sm:32px;--card-pad-m:24px;--card-pad-m-sm:20px;--tool-card-lead-h:320px;--tool-card-h:260px;--article-card-h:210px;--tool-title:32px;--tool-title-m:22px;--tool-title-track:0.1em;--admin-side:208px;--admin-pad-y:32px;--admin-pad-x:40px;--admin-menu-pad:12px 14px;--admin-radius:calc(10px * var(--r-fix,1));--admin-h1:28px;--admin-field-h:44px;--admin-btn-h:44px;--admin-row-pad:16px;--admin-row-h:80px;--admin-table:14px;--admin-table-head:13px;--admin-col-date:80px;--admin-col-name:120px;--admin-col-link:110px;--admin-col-status:190px;--admin-status-row:36px;--admin-editor-left:300px;--admin-editor-right:320px;--scroll-w:6px;--scroll-thumb:color-mix(in oklab,var(--ink) 16%,transparent);--scroll-thumb-hover:color-mix(in oklab,var(--ink) 36%,transparent);--scroll-thumb-active:color-mix(in oklab,var(--ink) 55%,transparent);--fade:250ms;--ease:cubic-bezier(.22,.61,.36,1);--ticker-cycle:32s;--count-dur:700ms;--underline-dur:300ms;--wave-shift:40px;--card-lift:2px;--seg-move:260ms}html[data-theme=dark]{--paper:#1A1C17;--paper-raised:#23261F;--paper-shade:#121410;--ink:#E9E7DB;--acid:#D6E43F;--ink-70:color-mix(in oklab,#E9E7DB 88%,#1A1C17);--ink-40:color-mix(in oklab,#E9E7DB 60%,#1A1C17);--ink-15:color-mix(in oklab,#E9E7DB 22%,#1A1C17);--ink-08:color-mix(in oklab,#E9E7DB 13%,#1A1C17);--paper-80:color-mix(in oklab,#E9E7DB 94%,#2F332A);--paper-75:color-mix(in oklab,#E9E7DB 91%,#2F332A);--paper-70:color-mix(in oklab,#E9E7DB 88%,#2F332A);--paper-65:color-mix(in oklab,#E9E7DB 86%,#2F332A);--paper-60:color-mix(in oklab,#E9E7DB 84%,#2F332A);--paper-55:color-mix(in oklab,#E9E7DB 78%,#2F332A);--paper-45:color-mix(in oklab,#E9E7DB 68%,#2F332A);--paper-30:color-mix(in oklab,#E9E7DB 55%,#2F332A);--paper-25:color-mix(in oklab,#E9E7DB 48%,#2F332A);--season-autumn:#8A4450;--season-winter:#35606F;--season-spring:#4A7154;--season-summer:#454DA0;--shadow-card:none;--plate-up:#2F332A;--on-plate:#E9E7DB;--on-ink:#12160F;--acid-fill:#B6C433;--acid-mark:color-mix(in oklab,#D6E43F 34%,transparent);--on-acid:#12160F;--season-ink:color-mix(in oklab,var(--season) 45%,#E9E7DB);--on-season:#E9E7DB;--season-autumn-ink:color-mix(in oklab,var(--season-autumn) 45%,#E9E7DB);--season-winter-ink:color-mix(in oklab,var(--season-winter) 45%,#E9E7DB);--season-spring-ink:color-mix(in oklab,var(--season-spring) 45%,#E9E7DB);--season-summer-ink:color-mix(in oklab,var(--season-summer) 45%,#E9E7DB);--scrim:color-mix(in oklab,#000 62%,transparent);--scrim-soft:color-mix(in oklab,#000 38%,transparent);--shadow-lift:0 8px 24px color-mix(in oklab,#000 55%,transparent);--glass-bg:color-mix(in oklab,#23261F 60%,transparent);--glass-sheen:linear-gradient(180deg,color-mix(in oklab,#fff 9%,transparent),color-mix(in oklab,#fff 0%,transparent) 50%);--glass-rim:inset 0 0 0 1px color-mix(in oklab,#fff 12%,transparent),inset 0 1px 1px -.5px color-mix(in oklab,#fff 32%,transparent);--glass-shadow:0 12px 32px color-mix(in oklab,#000 50%,transparent);--glass-pill:color-mix(in oklab,#E9E7DB 16%,transparent);--glass-pill-text:#E9E7DB;--glass-edge:color-mix(in oklab,#E9E7DB 12%,transparent);--glass-filter:blur(22px) saturate(170%);--glass-pill-rim:inset 0 1px 0 color-mix(in oklab,#fff 16%,transparent);--glass-pill-num:#D6E43F;--glass-num-idle:#E9E7DB;--kurs:#D97C9C;--kurs-soft:#3A2831;--on-kurs:#1A1C17;--kurs-line:#55394471;--grade-high:#7FBF8C;--grade-mid:#D2A63E;--grade-low:#E8877C;--grade-none:color-mix(in oklab,#E9E7DB 72%,#1A1C17);color-scheme:dark}@media (prefers-color-scheme:dark){html:not([data-theme=light]){--paper:#1A1C17;--paper-raised:#23261F;--paper-shade:#121410;--ink:#E9E7DB;--acid:#D6E43F;--ink-70:color-mix(in oklab,#E9E7DB 88%,#1A1C17);--ink-40:color-mix(in oklab,#E9E7DB 60%,#1A1C17);--ink-15:color-mix(in oklab,#E9E7DB 22%,#1A1C17);--ink-08:color-mix(in oklab,#E9E7DB 13%,#1A1C17);--paper-80:color-mix(in oklab,#E9E7DB 94%,#2F332A);--paper-75:color-mix(in oklab,#E9E7DB 91%,#2F332A);--paper-70:color-mix(in oklab,#E9E7DB 88%,#2F332A);--paper-65:color-mix(in oklab,#E9E7DB 86%,#2F332A);--paper-60:color-mix(in oklab,#E9E7DB 84%,#2F332A);--paper-55:color-mix(in oklab,#E9E7DB 78%,#2F332A);--paper-45:color-mix(in oklab,#E9E7DB 68%,#2F332A);--paper-30:color-mix(in oklab,#E9E7DB 55%,#2F332A);--paper-25:color-mix(in oklab,#E9E7DB 48%,#2F332A);--season-autumn:#8A4450;--season-winter:#35606F;--season-spring:#4A7154;--season-summer:#454DA0;--shadow-card:none;--plate-up:#2F332A;--on-plate:#E9E7DB;--on-ink:#12160F;--acid-fill:#B6C433;--acid-mark:color-mix(in oklab,#D6E43F 34%,transparent);--on-acid:#12160F;--season-ink:color-mix(in oklab,var(--season) 45%,#E9E7DB);--on-season:#E9E7DB;--season-autumn-ink:color-mix(in oklab,var(--season-autumn) 45%,#E9E7DB);--season-winter-ink:color-mix(in oklab,var(--season-winter) 45%,#E9E7DB);--season-spring-ink:color-mix(in oklab,var(--season-spring) 45%,#E9E7DB);--season-summer-ink:color-mix(in oklab,var(--season-summer) 45%,#E9E7DB);--scrim:color-mix(in oklab,#000 62%,transparent);--scrim-soft:color-mix(in oklab,#000 38%,transparent);--shadow-lift:0 8px 24px color-mix(in oklab,#000 55%,transparent);--glass-bg:color-mix(in oklab,#23261F 60%,transparent);--glass-sheen:linear-gradient(180deg,color-mix(in oklab,#fff 9%,transparent),color-mix(in oklab,#fff 0%,transparent) 50%);--glass-rim:inset 0 0 0 1px color-mix(in oklab,#fff 12%,transparent),inset 0 1px 1px -.5px color-mix(in oklab,#fff 32%,transparent);--glass-shadow:0 12px 32px color-mix(in oklab,#000 50%,transparent);--glass-pill:color-mix(in oklab,#E9E7DB 16%,transparent);--glass-pill-text:#E9E7DB;--glass-edge:color-mix(in oklab,#E9E7DB 12%,transparent);--glass-filter:blur(22px) saturate(170%);--glass-pill-rim:inset 0 1px 0 color-mix(in oklab,#fff 16%,transparent);--glass-pill-num:#D6E43F;--glass-num-idle:#E9E7DB;--kurs:#D97C9C;--kurs-soft:#3A2831;--on-kurs:#1A1C17;--kurs-line:#55394471;--grade-high:#7FBF8C;--grade-mid:#D2A63E;--grade-low:#E8877C;--grade-none:color-mix(in oklab,#E9E7DB 72%,#1A1C17);color-scheme:dark}}:root{--radius-block:calc(28px * var(--r-fix,1))}@media (max-width:600px){:root{--radius-block:calc(20px * var(--r-fix,1))}}@supports (corner-shape:superellipse(1.3)){:root{--r-fix:1.19}*,:after,:before{corner-shape:superellipse(1.3)}.avhod__btn,.avhod__eye,.avhod__f,.avhod__input,.avhod__seal:before,.avhod__who,.mbar__cap,.mbar__more-btn,.mbar__t,.ost__cap,.ttest__drop,.ttest__timer,[class*=badge],[class*=chip],[class*=dot],[class*=knob],[class*=lens],[class*=pill],[class*=switch],[class*=tag],[class*=track]{corner-shape:round}}:root{--k-accent-fill:var(--acid-fill);--k-accent-line:var(--acid);--k-stroke:1.5px;--k-stroke-bold:2px;--k-stroke-soft:var(--ink-15);--k-stroke-firm:var(--ink-40);--fill:color-mix(in oklab,var(--ink) 72%,var(--paper));--on-fill:var(--paper);--k-s1:2px;--k-s2:3px;--k-s3:4px;--k-s4:6px;--k-s5:8px;--k-s6:10px;--k-s7:12px;--k-s8:14px;--k-s9:16px;--k-s10:18px;--k-s11:22px;--k-cap-font:var(--font-mono);--k-cap-size:11px;--k-cap-weight:700;--k-cap-xs:10px;--k-sub-size:12px;--k-name-size:17px;--k-name-card:22px;--k-name-lg:26px;--k-num-size:15px;--k-mono-size:13px;--k-gap-corner:8px;--k-r-block-in:calc(var(--radius-block) - var(--k-gap-corner));--k-plate-pad:9px;--k-r-plate-in:max(4px,calc(var(--k-plate-r) - var(--k-plate-pad)));--k-r-tag:calc(8px * var(--r-fix,1));--k-r-small:calc(6px * var(--r-fix,1));--k-r-hair:2px;--k-act-h:48px;--k-act-h-sm:36px;--k-act-pad:24px;--k-act-pad-sm:14px;--k-act-size:12px;--k-act-icon:16px;--k-act-gap:10px;--k-go-d:34px;--k-main-bg:var(--k-accent-fill);--k-main-on:var(--on-acid);--k-main-quiet-bg:var(--glass-pill);--k-main-quiet-on:var(--ink);--k-main-quiet-go:var(--paper);--k-frame-ratio:.0357;--k-round-d:44px;--k-round-d-sm:36px;--k-round-icon:20px;--k-round-icon-sm:16px;--k-icon-line:1.8;--k-tool-h:52px;--k-tool-h-onplate:36px;--k-tool-icon:20px;--k-tool-icon-sm:16px;--k-tool-min-w:120px;--k-opt-h:34px;--k-opt-pad:14px;--k-chip-h:34px;--k-chip-arrow:12px;--k-plate-r:var(--radius-plate);--k-plate-min-h:62px;--k-plate-bg:var(--paper);--k-plate-past:var(--paper-shade);--k-men-h:28px;--k-tag-h:22px;--k-alert-d:30px;--k-av-d:44px;--k-av-w:3px;--k-av-f:15px;--k-av-d-sm:24px;--k-av-w-sm:2px;--k-av-f-sm:9.5px;--k-av-d-md:32px;--k-av-w-md:2.5px;--k-av-f-md:12px;--k-av-d-lg:68px;--k-av-w-lg:4px;--k-av-f-lg:24px;--k-av-ring-from:200deg;--k-av-trial-dash:16deg;--k-av-trial-gap:10deg;--k-av-pause-opacity:.45;--k-av-idle:var(--ink-40);--r-math-a:#2B3170;--r-math-b:#1C9BB5;--r-phys-a:#B8482A;--r-phys-b:#E8A23B;--r-inf-a:#6A3FB0;--r-inf-b:#D65BA8;--r-chem-a:#2F7A3A;--r-chem-b:#B9C93A;--r-uni-a:#6B2F6B;--r-uni-b:#3E7BD6;--k-time-w:56px;--k-time-h:44px;--k-time-r:calc(10px * var(--r-fix,1));--k-time-size:14px;--k-time-card:15px;--k-now-bg:var(--plate-up);--k-now-accent:var(--k-accent-line);--k-now-dim:.7;--k-grade-d:40px;--k-grade-size:22px;--k-work-fold:20px;--k-work-pad-r:30px;--k-cell-d:44px;--k-cell-size:16px;--k-cell-q-size:18px;--k-bl-cell:8px;--k-bl-gap:3px;--k-bl-pad:7px;--k-blank-gap:5px;--k-blank-cols:10;--k-hatch:var(--ink-40);--k-sheet-icon-w:14px;--k-sheet-icon-h:17px;--k-sheet-icon-fold:6px;--k-zad-ans-size:14px;--k-rc-pad:20px;--k-rc-pad-b:30px;--k-rc-tooth-w:16px;--k-rc-tooth-h:8px;--k-rc-logo-h:22px;--k-rc-who:24px;--k-rc-total:38px;--k-rc-total-win:30px;--k-rc-total-pack:18px;--k-rc-rule:1.5px;--k-rc-double:4px;--k-rc-dot:8px;--k-rc-shadow:rgba(18,22,15,.10);--k-stamp-size:13px;--k-stamp-big:20px;--k-stamp-tilt:-7deg;--k-stamp-tilt-row:-5deg;--k-hrs-cols:20;--k-hrs-h:14px;--k-row-tooth-w:8px;--k-row-tooth-h:14px;--k-row-sum:20px;--k-pkg-h:30px;--k-pkg-tooth-w:5px;--k-pkg-tooth-h:8px;--k-pkg-cell-w:5px;--k-pkg-cell-h:12px;--k-offer-price:30px;--k-offer-go:44px;--k-offer-cell-w:8px;--sbp-bg:#1D1346;--sbp-on:#FFFFFF;--k-sbp-h:56px;--k-sbp-h-sm:44px;--k-sbp-size:19px;--k-sbp-size-sm:16px;--k-sbp-mark:48px;--k-sbp-mark-sm:40px;--k-sbp-word:23px;--k-sbp-word-sm:19px;--k-lead-q:44px;--k-lead-q-lg:64px;--k-lead-text:15px;--k-lead-text-lg:17px;--k-par-size:19px;--k-mst-w:7px;--k-mst-h:14px;--k-mst-gap:2px;--k-topic-size:17px;--k-topic-size-lg:26px;--k-season-line:3px;--k-grip-w:14px;--k-grip-h:18px;--k-lvl-0:transparent;--k-lvl-1:var(--ink-08);--k-lvl-2:var(--ink-15);--k-lvl-3:var(--ink-40);--k-lvl-4:var(--fill);--k-map-cell:30px;--k-tick-d:26px;--k-tick-icon:14px;--k-wkm-w:32px;--k-wkm-h:40px;--k-wkm-fold:9px;--k-wkm-num:11px;--k-wkm-top:5px;--k-thumb-w:64px;--k-thumb-h:46px;--k-thumb-lg-h:170px;--k-thumb-label:7px;--k-thumb-label-lg:10px;--k-kab-logo-h:22px;--k-field-h:52px;--k-upl-h:96px;--k-isl-h:60px;--k-isl-av:32px;--k-isl-btn:44px;--k-isl-pad-l:calc((var(--k-isl-h) - var(--k-isl-av)) / 2);--k-isl-pad-r:calc((var(--k-isl-h) - var(--k-isl-btn)) / 2);--k-isl-bottom:100px;--k-isl-side:14px;--k-isl-w-pc:420px;--k-isl-name:16px;--k-isl-late:var(--k-accent-fill);--k-isl-shake:5px;--k-otv-gap:6px;--k-otv-w:34px;--k-otv-r:5px;--k-otv-ratio:.72;--k-otv-size:17px;--k-otv-caret:2px;--k-kurs-mark:34px;--k-lesson-no:44px;--k-kurs-title:22px;--k-web-title:20px;--k-web-play:44px;--k-web-play-icon:18px;--k-web-bar:4px;--k-kprog-h:10px;--k-prg-cols:13;--k-prg-size:9px;--k-live-ring:8px;--k-lh-tight:1.1;--k-lh-name:1.15;--k-lh-text:1.4;--k-lh-read:1.5;--k-lh-quote:.9;--k-w-mid:500;--k-o-dim:.6;--k-o-off:.35;--k-o-lock:.55;--k-aa:.5px;--k-hair-shadow:.7px;--k-hatch-line:1.2px;--k-hatch-step:2.8px;--k-grip-dot:1.3px;--k-field-font:16px;--k-nav-stripe:3px;--k-here-bg:var(--ink-15);--k-stamp-top:62px;--k-stamp-track:.12em;--k-rc-stamp-room:96px;--k-sbp-track:-.01em;--k-sbp-word-track:-.04em;--k-isl-left-pc:calc(var(--admin-side) + var(--admin-pad-x))}html[data-theme=dark]{--fill:color-mix(in oklab,#E9E7DB 72%,#1A1C17);--on-fill:#1A1C17;--r-math-a:#7C86F0;--r-math-b:#4FD1E6;--r-phys-a:#F07A55;--r-phys-b:#F6C35F;--r-inf-a:#A987F2;--r-inf-b:#F08BC8;--r-chem-a:#6CC47A;--r-chem-b:#DDE86A;--r-uni-a:#C98BD9;--r-uni-b:#7FB0F5;--sbp-bg:#F5F1E8;--sbp-on:#1D1346;--k-rc-shadow:color-mix(in oklab,#000 45%,transparent)}@media (prefers-color-scheme:dark){html:not([data-theme=light]){--fill:color-mix(in oklab,#E9E7DB 72%,#1A1C17);--on-fill:#1A1C17;--r-math-a:#7C86F0;--r-math-b:#4FD1E6;--r-phys-a:#F07A55;--r-phys-b:#F6C35F;--r-inf-a:#A987F2;--r-inf-b:#F08BC8;--r-chem-a:#6CC47A;--r-chem-b:#DDE86A;--r-uni-a:#C98BD9;--r-uni-b:#7FB0F5;--sbp-bg:#F5F1E8;--sbp-on:#1D1346;--k-rc-shadow:color-mix(in oklab,#000 45%,transparent)}}.tema{display:inline-flex;align-items:stretch;max-width:100%;border-radius:10px;box-shadow:inset 0 0 0 1px var(--ink-15);overflow:hidden}.tema__o{flex:none;height:38px;padding:0 16px;display:flex;align-items:center;justify-content:center;border:0;background:none;cursor:pointer;font-family:var(--font-mono);font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:var(--track-caps);white-space:nowrap;color:var(--ink-70)}.tema__o:hover{background:var(--ink-08)}.tema__o.is-on{color:var(--on-plate);font-weight:700}.tema__o.is-on,.tema__o.is-on:hover{background:var(--plate-up)}.tema__o:focus-visible{outline:2px solid var(--acid);outline-offset:-2px}@media (max-width:760px){.tema{display:flex;flex-direction:column}.tema__o{height:44px;justify-content:flex-start}.tema__o+.tema__o{box-shadow:inset 0 1px 0 var(--ink-15)}}*,:after,:before{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-core);font-weight:var(--w-body);font-feature-settings:"kern";font-kerning:normal}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:after,:before{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}img,svg{display:block;max-width:100%}button{background:none;border:0;padding:0;cursor:pointer}button,input,select,textarea{font:inherit;color:inherit}a{color:var(--ink);text-decoration:none}a:hover{color:var(--season-ink)}blockquote,figure,h1,h2,h3,h4,ol,p,ul{margin:0}ol,ul{padding:0}.wrap{width:100%;max-width:calc(var(--content) + var(--gutter) * 2);margin-inline:auto;padding-inline:var(--gutter)}.wrap--read{max-width:calc(var(--read-col) + var(--gutter) * 2)}.wrap--tool{max-width:calc(var(--tool-col) + var(--gutter) * 2)}@media (max-width:1200px){:root{--gutter:40px}}@media (max-width:767px){.wrap{padding-inline:var(--gutter-m)}}.only-mobile{display:none!important}@media (max-width:767px){.only-desktop{display:none!important}.only-mobile{display:revert!important}div.only-mobile,img.only-mobile,nav.only-mobile{display:block!important}}.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}@supports not selector(::-webkit-scrollbar){*{scrollbar-width:thin;scrollbar-color:var(--scroll-thumb) transparent}:hover{scrollbar-color:var(--scroll-thumb-hover) transparent}}::-webkit-scrollbar{width:var(--scroll-w);height:var(--scroll-w)}::-webkit-scrollbar-corner,::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-button{display:none;width:0;height:0}::-webkit-scrollbar-thumb{border:2px solid transparent;border-radius:var(--scroll-w);background-clip:padding-box;background-color:var(--scroll-thumb)}:hover::-webkit-scrollbar-thumb{background-color:var(--scroll-thumb-hover)}::-webkit-scrollbar-thumb:active{background-color:var(--scroll-thumb-active)}.mono-caps{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:var(--track-caps);font-weight:500}.script{font-family:var(--font-script);color:var(--season-ink);line-height:1.15;margin-bottom:-.2em}.display{font-weight:var(--w-display);letter-spacing:var(--track-display);line-height:1.06;color:var(--ink)}.btn,.display{text-transform:uppercase}.btn{display:inline-flex;align-items:center;justify-content:center;height:var(--btn-h);padding:var(--btn-pad-y) var(--btn-pad-x);font-family:var(--font-mono);font-size:var(--btn-size);font-weight:500;letter-spacing:var(--track-caps);border-radius:var(--radius-plate);transition:background var(--fade) var(--ease),color var(--fade) var(--ease);white-space:nowrap}.btn--primary{background:var(--acid-fill);color:var(--on-acid)}.btn--primary:hover{background:color-mix(in oklab,var(--acid-fill) 92%,var(--on-acid));color:var(--on-acid)}.btn--ghost{box-shadow:inset 0 0 0 var(--btn-border) var(--ink);color:var(--ink)}.btn--ghost:hover{background:var(--ink-08);color:var(--ink)}.btn--ghost-light{box-shadow:inset 0 0 0 var(--btn-border) var(--paper-45);color:var(--on-plate)}.btn--ghost-light:hover{background:color-mix(in oklab,var(--on-plate) 10%,transparent);color:var(--on-plate)}.btn--header{height:var(--btn-header-h);padding:var(--btn-header-pad);font-size:var(--btn-header-size)}.btn--card{height:var(--btn-card-h);padding:0 22px;font-size:15px}.btn--wide{width:100%}@media (max-width:767px){.btn{height:var(--btn-h-m);font-size:var(--btn-size-m);width:100%;padding-inline:20px}.btn--card,.btn--header{width:auto}.btn--card{height:var(--btn-card-h)}}.field{display:flex;flex-direction:column;gap:10px}.field__label{font-family:var(--font-mono);font-size:var(--meta);font-weight:700;text-transform:uppercase;letter-spacing:var(--track-caps);color:var(--ink-40)}.field__input,.field__select{height:var(--field-h);padding:0 20px;font-family:var(--font-mono);transition:border-color var(--fade) var(--ease),box-shadow var(--fade) var(--ease)}.field__input,.field__select,.field__textarea{width:100%;background:var(--paper-raised);border:var(--border-hairline);border-radius:var(--radius-plate);font-size:18px;color:var(--ink)}.field__textarea{padding:16px 18px;min-height:120px;line-height:1.5;resize:vertical}.field__input:focus,.field__select:focus,.field__textarea:focus{outline:none;border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}.field__input::placeholder,.field__textarea::placeholder{color:var(--ink-40)}.field__hint{color:var(--ink-40)}.field__error,.field__hint{font-family:var(--font-mono);font-size:14px;line-height:1.5}.field__error{color:var(--season-ink)}@media (max-width:767px){.field__input,.field__select{height:var(--field-h-m);padding:0 16px;font-size:16px}.field__textarea{font-size:16px}}.card{background:var(--paper-raised);border:var(--border-hairline);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:var(--card-pad)}.card--hover{transition:transform var(--fade) var(--ease),background var(--fade) var(--ease),box-shadow var(--fade) var(--ease)}.card--hover:hover{transform:translateY(calc(-1 * var(--card-lift)));background:color-mix(in oklab,var(--paper-raised) 94%,var(--ink))}.card--ink{background:var(--plate-up);border:0;box-shadow:none;color:var(--on-plate)}.card--season{background:var(--season);border:0;box-shadow:none;color:var(--on-season)}@media (max-width:767px){.card{padding:var(--card-pad-m);border-radius:20px}}.tag{display:inline-flex;align-items:center;font-family:var(--font-mono);font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:var(--track-caps);padding:8px 12px;border-radius:var(--admin-radius)}.tag--ink{background:var(--plate-up);color:var(--on-plate)}.tag--acid{background:var(--acid-fill);color:var(--on-acid)}.tag--season{background:var(--season);color:var(--on-season)}.tag--quiet{background:var(--ink-08);color:var(--ink-70)}.rubric{font-size:var(--meta);font-weight:700;color:var(--season-ink)}.chip,.rubric{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:var(--track-caps)}.chip{display:inline-flex;align-items:center;height:var(--chip-h);padding:0 18px;font-size:14px;font-weight:500;border-radius:var(--radius-plate);box-shadow:inset 0 0 0 1px var(--ink-15);color:var(--ink-70);transition:background var(--fade) var(--ease),color var(--fade) var(--ease),box-shadow var(--fade) var(--ease)}.chip:hover{box-shadow:inset 0 0 0 1px var(--ink);color:var(--ink)}.chip.is-on,.chip[aria-pressed=true]{background:var(--plate-up);color:var(--on-plate);box-shadow:none}@media (max-width:767px){.chip{height:var(--chip-h-m);padding:0 14px;font-size:13px}}.seg{position:relative;display:flex;background:var(--paper-shade);border-radius:var(--radius-plate);padding:5px}.seg__knob{position:absolute;left:5px;top:5px;bottom:5px;background:var(--plate-up);border-radius:8px;transition:transform var(--seg-move) var(--ease),width var(--seg-move) var(--ease);will-change:transform,width}.seg__btn{position:relative;z-index:1;font-family:var(--font-mono);font-size:17px;font-weight:500;text-transform:uppercase;letter-spacing:var(--track-caps);color:var(--ink-70);padding:13px 32px;border-radius:8px;transition:color var(--fade) var(--ease)}.seg__btn:hover{color:var(--ink)}.seg__btn.is-on{color:var(--on-plate);font-weight:700}.seg:not(:has(.seg__knob)) .seg__btn.is-on{background:var(--plate-up)}@media (prefers-reduced-motion:reduce){.seg__knob{transition:none}}.fade-swap{display:inline-block;transition:opacity var(--fade) var(--ease)}.fade-swap.is-dim{opacity:0}.waves{position:absolute;pointer-events:none;color:var(--season-ink);opacity:.22;transform:translateY(var(--wave-y,0));will-change:transform}.waves--ink{color:var(--ink);opacity:.15}.waves--light{color:var(--on-plate);opacity:.18}.mark{position:relative;display:inline-block}.mark:before{content:"";position:absolute;left:0;bottom:2px;height:12px;width:0;background:var(--acid-mark);transition:width var(--underline-dur) var(--ease)}.mark.is-drawn:before{width:100%}.mark>span{position:relative}.rule{height:1px;background:var(--ink-15);border:0;margin:0}.rule--strong{height:2px;background:var(--ink)}.header{position:fixed;top:0;left:0;right:0;z-index:60;background:var(--paper);box-shadow:inset 0 -1px 0 transparent;transform:translateY(0);will-change:transform;transition:transform .28s var(--ease),box-shadow .28s var(--ease)}.header-spacer{height:var(--header-h)}.article-page .header-spacer{height:calc(var(--header-h) + var(--progress-h))}.header__inner{height:var(--header-h);display:flex;justify-content:space-between}.header__brand,.header__inner{align-items:center;transition:transform .28s var(--ease)}.header__brand{position:relative;display:inline-flex;height:var(--logo-h);transform-origin:left center}.header__lk{display:inline-flex;align-items:center;height:100%;transition:opacity .2s var(--ease)}.header__lk--compact{position:absolute;left:0;top:0;opacity:0}.header__logo{height:var(--logo-h);width:auto}.header__nav{display:flex;align-items:center;gap:var(--nav-gap)}.header__link{font-family:var(--font-mono);font-size:var(--nav-size);font-weight:500;text-transform:uppercase;letter-spacing:var(--track-caps);color:var(--ink-70);transition:color var(--fade) var(--ease)}.header__link:hover{color:var(--ink)}.header__link.is-active{color:var(--ink);font-weight:700}.header.is-scrolled{transform:translateY(calc(var(--header-h-scrolled) - var(--header-h)));box-shadow:inset 0 -1px 0 var(--ink-15)}.header.is-scrolled .header__inner{transform:translateY(calc((var(--header-h) - var(--header-h-scrolled)) / 2))}.header.is-scrolled .header__brand{transform:scale(.77)}.header.is-scrolled .header__lk--full{opacity:0}.header.is-scrolled .header__lk--compact{opacity:1}@media (prefers-reduced-motion:reduce){.header,.header__brand,.header__inner,.header__lk{transition:none}}.header__burger{font-family:var(--font-mono);font-size:14px;font-weight:700;text-transform:uppercase;letter-spacing:var(--track-caps);color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--ink);padding:9px 16px;border-radius:var(--radius-plate)}@media (max-width:767px){.header-spacer{height:var(--header-h-m)}.article-page .header-spacer{height:calc(var(--header-h-m) + var(--progress-h))}.header__inner{height:var(--header-h-m)}.header__brand,.header__logo{height:22px}.header.is-scrolled{transform:translateY(calc(var(--header-h-scrolled-m) - var(--header-h-m)))}.header.is-scrolled .header__inner{transform:translateY(calc((var(--header-h-m) - var(--header-h-scrolled-m)) / 2))}.header.is-scrolled .header__brand{transform:scale(.82)}}@media (min-width:768px) and (max-width:1023px){.header .only-desktop{display:none!important}.header .only-mobile{display:revert!important}}.menu{position:fixed;inset:0;z-index:80;background:var(--plate-up);color:var(--on-plate);display:flex;flex-direction:column;animation:menu-in var(--fade) var(--ease)}@keyframes menu-in{0%{opacity:0}to{opacity:1}}.menu__top{height:var(--header-h-m);display:flex;align-items:center;justify-content:space-between;padding-inline:var(--gutter-m)}.menu__close{font-family:var(--font-mono);font-size:14px;font-weight:700;text-transform:uppercase;letter-spacing:var(--track-caps);color:var(--on-plate)}.menu__list{margin-top:40px;padding-inline:var(--gutter-m);display:flex;flex-direction:column}.menu__item{font-size:var(--menu-item);font-weight:var(--w-sub);line-height:1.1;color:var(--on-plate);padding:var(--menu-item-pad) 0;border-bottom:1px solid var(--paper-25)}.menu__item:last-child{border-bottom:0}.menu__item:hover{color:var(--acid)}.menu__foot{margin-top:auto;padding:0 var(--gutter-m) 32px}.menu__channel{margin-top:16px;display:block;text-align:center;font-family:var(--font-mono);font-size:15px;font-weight:500;text-transform:uppercase;letter-spacing:var(--track-caps);color:var(--acid)}.footer{background:var(--paper-shade);padding:56px 0 40px;margin-top:var(--sec)}.footer__cols{display:flex;gap:var(--toc-gap)}.footer__brand{flex:none;width:300px}.footer__logo{height:var(--logo-h)}.footer__about{font-family:var(--font-mono);font-size:16px;line-height:1.5;color:var(--ink-70);text-wrap:pretty}.footer__about,.footer__tg{margin-top:24px}.footer__col{flex:1 1}.footer__head{font-family:var(--font-mono);font-size:var(--meta);font-weight:700;text-transform:uppercase;letter-spacing:var(--track-caps);color:var(--ink-40)}.footer__links{margin-top:20px;display:flex;flex-direction:column;gap:12px}.footer__links a{font-family:var(--font-mono);font-size:17px;color:var(--ink-70)}.footer__links a:hover{color:var(--season-ink)}.footer__bottom{margin-top:40px;border-top:1px solid var(--ink-15);padding-top:24px;display:flex;align-items:baseline;justify-content:space-between}.footer__bottom span,.footer__year{font-family:var(--font-mono);font-size:16px;text-transform:uppercase;letter-spacing:var(--track-caps);color:var(--ink-40)}.footer__year:hover{color:var(--ink)}@media (max-width:1023px){.footer{padding:36px 0 32px;margin-top:var(--sec-m)}.footer__cols{flex-direction:column;gap:0}.footer__brand{width:auto}.footer__logo{height:24px}.footer__about{font-size:15px}.footer__about,.footer__tg{margin-top:20px}.footer__col{margin-top:28px;border-top:1px solid var(--ink-15);padding-top:24px}.footer__col:first-of-type{margin-top:32px}.footer__head{font-size:13px}.footer__links{margin-top:14px;gap:10px}.footer__links a{font-size:16px}.footer__links--row{flex-direction:row;flex-wrap:wrap;gap:8px 20px}.footer__bottom{margin-top:32px;padding-top:20px}.footer__bottom span,.footer__year{font-size:14px}}.sticky{position:fixed;left:0;right:0;bottom:0;z-index:70;height:var(--sticky-h);display:none;align-items:center;background:var(--paper);border-top:1px solid var(--ink-15);padding-inline:var(--gutter-m);transform:translateY(100%);transition:transform var(--fade) var(--ease)}.sticky.is-on{transform:translateY(0)}.sticky .btn{height:var(--sticky-btn-h);width:100%;font-size:15px;position:relative;z-index:1}@media (max-width:767px){.sticky{display:flex}body.has-sticky{padding-bottom:var(--sticky-h)}}