/* Reading surface for this study and its documents. Existing site styles are retained. */
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.wi-page main{padding-bottom:80px}
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.wi-page h3{font-size:25px}
.wi-page :is(section,[id]){scroll-margin-top:28px}
.wi-page button,.wi-page summary{cursor:pointer}
.wi-page button{border-radius:0}
.wi-page :is(a,button,summary,textarea):focus-visible{outline:2px solid #171717;outline-offset:5px}
.wi-breadcrumb{display:flex;flex-wrap:wrap;gap:10px;font-size:13px;line-height:1.5;color:#55554f;padding-top:25px}
.wi-breadcrumb a{padding:8px 0;margin-top:-8px;margin-bottom:-8px}
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.wi-eyebrow{margin-bottom:22px}
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.wi-lead{font-size:clamp(18px,1.6vw,21px);line-height:1.6;max-width:43ch;margin-bottom:28px}
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.wi-button.wi-primary{background:#171717;color:#fafaf8;border-color:#171717}
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.wi-specimen hr{border:0;border-top:1px solid #d6d6cf;margin:25px 0}
.wi-reading{font:26px/1.3 Georgia,'Times New Roman',serif;margin-bottom:16px}
.wi-caption{font:13px/1.6 Arial,Helvetica,sans-serif;color:#55554f;margin-bottom:17px}
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.wi-boundary h2{font:28px/1.3 Georgia,'Times New Roman',serif;letter-spacing:-.02em;max-width:22ch;margin-bottom:0}
.wi-boundary p{font:15px/1.7 Arial,Helvetica,sans-serif;margin:0;max-width:60ch}
.wi-orientation,.wi-case-section,.wi-materials,.wi-feedback{padding-top:68px}
.wi-section-head{max-width:780px;margin-bottom:32px}
.wi-section-head .wi-eyebrow{margin-bottom:13px}
.wi-section-head h2{margin-bottom:20px}
.wi-section-head p:last-child{margin:0;font-size:16px;line-height:1.7;max-width:67ch}
.wi-steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}
.wi-steps li{border-top:1px solid #b8b8ae;padding-top:17px}
.wi-steps .wi-label{display:block;margin-bottom:16px}
.wi-steps h3{font-size:22px;margin-bottom:14px}
.wi-steps p{font-size:15px;line-height:1.7;margin-bottom:0}
.wi-cases{border-top:1px solid #b8b8ae}
.wi-case{border-bottom:1px solid #b8b8ae}
.wi-case summary{display:flex;align-items:center;gap:28px;list-style:none;padding:22px 0;font-size:22px;line-height:1.35;letter-spacing:-.02em;min-height:70px}
.wi-case summary::-webkit-details-marker{display:none}
.wi-case summary::after{content:'+';margin-left:auto;flex:none;font-size:27px;font-weight:400;width:25px;text-align:center}
.wi-case[open] summary::after{content:'−'}
.wi-case summary .wi-label{width:25px;flex:none}
.wi-case>div{max-width:820px;padding:0 40px 26px 53px;font-size:16px;line-height:1.7}
.wi-case p{margin-bottom:14px}
.wi-source-links{padding-left:18px;margin:15px 0 0;font-size:12px;line-height:1.7;color:#55554f}
.wi-source-links li{padding:5px 0}
.wi-study{padding-top:76px;margin-top:70px;border-top:1px solid #171717}
.wi-study-heading{max-width:840px;margin-bottom:44px}
.wi-study-heading h2{font-size:clamp(34px,4vw,52px);line-height:1.13;margin-bottom:26px}
.wi-study-heading .wi-eyebrow{margin-bottom:20px}
.wi-reading-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:clamp(28px,5vw,80px);align-items:start}
.wi-toc{position:sticky;top:22px;align-self:start;max-height:calc(100dvh - 44px);overflow-y:auto;scrollbar-width:thin;font-size:12px;line-height:1.5;color:#55554f;padding:0 8px 8px 0}
.wi-toc details{margin:0;border-top:1px solid #b8b8ae;padding-top:13px}
.wi-toc summary{font-size:12px;color:#171717;font-weight:600;min-height:40px;display:flex;align-items:center;justify-content:space-between;list-style:none}
.wi-toc summary::-webkit-details-marker{display:none}
.wi-toc summary::after{content:'+';font-size:21px;line-height:1;font-weight:400}
.wi-toc details[open] summary::after{content:'−'}
.wi-toc ol{list-style:none;margin:6px 0 20px;padding:0}
.wi-toc a{display:block;padding:8px 10px 8px 0;text-decoration:none;border-left:2px solid transparent}
.wi-toc a:hover{text-decoration:underline}
.wi-toc a[aria-current="location"]{color:#171717;border-left-color:#171717;padding-left:10px}
.wi-top{font-size:12px;border-top:1px solid #d6d6cf}
.wi-prose{max-width:740px;min-width:0;font:20px/1.75 Georgia,'Times New Roman',serif;overflow-wrap:anywhere}
.wi-prose p{margin:0 0 1.3em}
.wi-prose :is(h2,h3){font:500 29px/1.25 Arial,Helvetica,sans-serif;letter-spacing:-.025em;margin:2.1em 0 .85em;scroll-margin-top:28px}
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.wi-prose h4{font:600 22px/1.4 Arial,Helvetica,sans-serif;margin:30px 0 16px}
.wi-prose strong{font-weight:700}
.wi-prose :is(ul,ol){padding-left:1.25em;margin-bottom:1.5em}
.wi-prose li{padding-left:4px;margin-bottom:12px}
.wi-prose blockquote{border-left:2px solid #171717;margin:30px 0;padding:5px 0 5px 25px;font-size:24px;line-height:1.5}
.wi-prose blockquote p{margin:0}
.wi-prose code{font-size:.86em;overflow-wrap:anywhere}
.wi-prose a{overflow-wrap:anywhere}
.wi-prose .lead{font-size:22px}
.wi-table-wrap{max-width:100%;overflow:auto;overscroll-behavior-inline:contain;margin:25px 0 35px}
.wi-prose table{border-collapse:collapse;width:100%;table-layout:fixed;font:14px/1.65 Arial,Helvetica,sans-serif}
.wi-prose :is(th,td){padding:12px;border:1px solid #c1c1b8;vertical-align:top;text-align:left;overflow-wrap:anywhere}
.wi-prose th{background:#f0f0ea;font-weight:600}
.wi-prose :is(th,td):first-child{width:29%}
.wi-prose details{border:1px solid #b8b8ae;padding:18px;margin:25px 0;font:15px/1.7 Arial,Helvetica,sans-serif}
.wi-materials{margin-top:65px;border-top:1px solid #171717}
.wi-material-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid #b8b8ae;border-left:1px solid #b8b8ae}
.wi-material{padding:27px 28px 20px;display:block;border-right:1px solid #b8b8ae;border-bottom:1px solid #b8b8ae;text-decoration:none}
.wi-material:hover{background:#f0f0e9}
.wi-material .wi-label{display:block;margin-bottom:18px}
.wi-material h3{font-size:26px;max-width:28ch;margin-bottom:13px}
.wi-material p{font-size:15px;line-height:1.7;max-width:48ch;margin-bottom:10px}
.wi-method-links{display:grid;grid-template-columns:1fr 1fr;column-gap:40px;list-style:none;padding:0;margin:30px 0 42px;font-size:14px}
.wi-method-links a{display:block;padding:12px 0;border-bottom:1px solid #d6d6cf}
.wi-downloads{border-top:1px solid #b8b8ae;border-bottom:1px solid #b8b8ae;padding:28px 0;display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}
.wi-downloads h3{font-size:24px;margin-bottom:10px}
.wi-downloads p{font-size:14px;line-height:1.6;margin:0;max-width:45ch}
.wi-feedback{max-width:850px;margin:0 auto}
.wi-feedback label{display:block;font-size:13px;margin-bottom:10px}
.wi-feedback textarea{display:block;width:100%;min-height:250px;border:1px solid #898982;border-radius:0;background:transparent;padding:18px;font:15px/1.65 Arial,Helvetica,sans-serif;resize:vertical;color:inherit;margin-bottom:18px}
.wi-feedback .wi-caption{margin-top:17px;max-width:75ch}
.wi-status{font-size:14px;min-height:24px}
.wi-edition{margin:45px auto 0;max-width:850px;border-top:1px solid #b8b8ae;padding-top:25px}
.wi-edition h2{font-size:22px;margin-bottom:16px}
.wi-edition>p{font-size:14px;line-height:1.7;max-width:78ch}
.wi-edition details{font-size:13px;line-height:1.75;color:#55554f}
.wi-edition summary{min-height:44px;padding:10px 0;color:#171717}
.wi-edition details p{margin:12px 0 18px}
.wi-annex-heading{max-width:940px;padding:50px 0 42px}
.wi-page.wi-annex main .wi-annex-heading h1{font-size:clamp(34px,4.3vw,55px);font-weight:500;margin:0 0 24px;overflow-wrap:normal}
.wi-annex-heading .wi-eyebrow{margin-bottom:20px}
.wi-archive-note{font-size:14px;line-height:1.7;border:1px solid #b8b8ae;padding:23px 27px;margin:0 0 42px;max-width:1040px}
.wi-archive-note p{margin-bottom:14px}
.wi-annex-end{margin:55px 0 0;padding-top:25px;border-top:1px solid #b8b8ae}
@media(min-width:1400px){.wi-hero{padding-top:65px}}
@media(max-width:980px){.wi-reading-layout{grid-template-columns:190px minmax(0,1fr);gap:30px}.wi-hero{gap:32px}.wi-page.wi-main main .wi-hero h1{font-size:52px}.wi-specimen{padding:25px}.wi-steps{gap:23px}.wi-prose{font-size:19px}}
@media(max-width:760px){
 .wi-breadcrumb{font-size:12px;padding-top:20px;gap:8px}
 .wi-hero{grid-template-columns:1fr;gap:30px;padding:32px 0 38px}
 .wi-page.wi-main main .wi-hero h1{font-size:clamp(40px,9.8vw,64px);max-width:14ch;letter-spacing:-.048em;line-height:1.075;margin-bottom:23px}
 .wi-eyebrow{font-size:10px;letter-spacing:.09em}
 .wi-lead{font-size:18px;line-height:1.62;max-width:55ch;margin-bottom:25px}
 .wi-date{font-size:11px}
 .wi-specimen{max-width:590px;width:100%;margin-top:0;padding:24px}
 .wi-specimen blockquote{font-size:27px;max-width:31ch}
 .wi-specimen .wi-label{font-size:10px}
 .wi-reading{font-size:25px}
 .wi-boundary{grid-template-columns:1fr;gap:18px;padding:25px 0}
 .wi-boundary h2{font-size:27px;max-width:28ch}
 .wi-boundary p{font-size:14px;line-height:1.75}
 .wi-orientation,.wi-case-section,.wi-materials,.wi-feedback{padding-top:46px}
 .wi-section-head{margin-bottom:27px}
 .wi-section-head h2{font-size:32px;line-height:1.16}
 .wi-section-head p:last-child{font-size:15px}
 .wi-steps{grid-template-columns:1fr;gap:23px}
 .wi-steps li{display:grid;grid-template-columns:28px 1fr;column-gap:16px;padding-top:17px}
 .wi-steps .wi-label{grid-row:1 / 3;padding-top:5px}
 .wi-steps h3{font-size:22px;margin-bottom:10px}
 .wi-steps p{font-size:15px}
 .wi-case summary{font-size:20px;gap:14px;padding:20px 0}
 .wi-case summary .wi-label{width:20px}
 .wi-case>div{padding:0 0 22px 34px;font-size:15px}
 .wi-source-links{font-size:12px}
 .wi-study{margin-top:45px;padding-top:47px}
 .wi-study-heading{margin-bottom:30px}
 .wi-study-heading h2{font-size:34px}
 .wi-reading-layout{display:block}
 .wi-toc{position:static;max-height:none;overflow:visible;padding:0;margin:0 0 30px;border-bottom:1px solid #b8b8ae}
 .wi-toc details{padding-top:0}
 .wi-toc summary{font-size:14px;min-height:52px}
 .wi-toc ol{margin-bottom:18px;font-size:14px}
 .wi-toc a{padding:10px 6px 10px 0}
 .wi-toc .wi-top{display:none}
 .wi-prose{font-size:19px;line-height:1.75;max-width:none}
 .wi-prose :is(h2,h3){font-size:27px;line-height:1.25;margin-top:1.8em}
 .wi-prose .lead{font-size:20px}
 .wi-prose blockquote{font-size:22px;padding-left:19px}
 .wi-prose table{font-size:13px;line-height:1.6;min-width:450px}
 .wi-prose :is(th,td){padding:10px}
 .wi-prose table[data-columns="2"]{min-width:0;display:block;border:1px solid #b8b8ae}
 .wi-prose table[data-columns="2"] thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
 .wi-prose table[data-columns="2"] tbody,.wi-prose table[data-columns="2"] tr,.wi-prose table[data-columns="2"] td{display:block;width:100%}
 .wi-prose table[data-columns="2"] tr{border-bottom:1px solid #b8b8ae;padding:0 16px}
 .wi-prose table[data-columns="2"] tr:last-child{border-bottom:0}
 .wi-prose table[data-columns="2"] td{border:0;padding:0 0 18px;font-size:14px;line-height:1.7}
 .wi-prose table[data-columns="2"] td:first-child{padding:17px 0 10px;font-weight:600;font-size:13px;color:#55554f}
 .wi-table-wrap:has(table:not([data-columns="2"]))::before{content:'Таблицу можно прокрутить в сторону';display:block;font:12px/1.5 Arial,Helvetica,sans-serif;margin-bottom:10px;color:#55554f}
 :lang(en) .wi-table-wrap:has(table:not([data-columns="2"]))::before{content:'Scroll the table sideways to see all columns'}
 .wi-materials{margin-top:40px}
 .wi-material-grid{grid-template-columns:1fr}
 .wi-material{padding:23px}
 .wi-material h3{font-size:26px}
 .wi-method-links{grid-template-columns:1fr;margin:25px 0 30px}
 .wi-downloads{grid-template-columns:1fr;gap:21px}
 .wi-feedback textarea{font-size:16px;padding:14px}
 .wi-edition{margin-top:25px}
 .wi-annex-heading{padding-top:32px;padding-bottom:30px}
 .wi-page.wi-annex main .wi-annex-heading h1{font-size:35px;line-height:1.13}
 .wi-archive-note{padding:19px;font-size:13px;margin-bottom:28px}
 .wi-page main{padding-bottom:50px}
}
@media(max-width:360px){.wi-page.wi-main main .wi-hero h1{font-size:37px}.wi-button{font-size:13px;padding:10px 12px}.wi-specimen{padding:20px}.wi-specimen blockquote{font-size:25px}.wi-prose{font-size:18px}.wi-case summary{font-size:18px}.wi-section-head h2{font-size:29px}.wi-study-heading h2{font-size:30px}}
@media(prefers-contrast:more){.wi-page{--paper-line:#777}.wi-page :is(.wi-specimen,.wi-case,.wi-material,.wi-boundary,.wi-steps li){border-color:#777}}
@media(prefers-reduced-motion:no-preference){.wi-button,.wi-material{transition:background-color .12s ease}}
@media print{
 .wi-page{background:#fff!important;font-size:11pt;padding:0;color:#000}
 .wi-page :is(.bw-header,.bw-footer,.skip-link,.wi-breadcrumb,.wi-toc,.wi-feedback,.wi-actions,.wi-orientation,.wi-case-section,.wi-materials){display:none!important}
 .wi-page main{width:100%!important;padding:0!important;margin:0!important}
 .wi-hero,.wi-boundary,.wi-reading-layout{display:block}
 .wi-hero{padding:0 0 20pt}.wi-specimen{display:none}
 .wi-page.wi-main main .wi-hero h1{font-size:27pt;max-width:none}
 .wi-lead,.wi-boundary p{font-size:11pt}.wi-boundary h2{font-size:16pt;margin-bottom:10pt;max-width:none}
 .wi-study{margin-top:25pt;padding-top:20pt}.wi-study-heading{margin-bottom:20pt}.wi-study-heading h2{font-size:22pt}
 .wi-prose{max-width:none;font-size:11pt;line-height:1.55}.wi-prose :is(h2,h3){font-size:16pt;break-after:avoid}.wi-prose p{orphans:3;widows:3}
 .wi-prose table{font-size:9pt}.wi-prose tr{break-inside:avoid}.wi-prose .wi-table-wrap{overflow:visible}
 .wi-edition{max-width:none;font-size:10pt}.wi-edition details{display:block}.wi-annex-heading{padding:0 0 20pt}
}

/* Public entry, edition 2: the case is visible before the long article. */
.wi-hero-v2{grid-template-columns:minmax(0,1fr) minmax(0,1.12fr);gap:clamp(35px,5vw,70px);padding-top:43px;padding-bottom:38px}
.wi-page.wi-main main .wi-hero-v2 h1{font-size:clamp(42px,4.6vw,63px);line-height:1.07;max-width:none;letter-spacing:-.045em}
.wi-hero-v2 .wi-lead{font-size:18px;line-height:1.65;max-width:43ch}
.wi-hero-v2 .wi-date{font-size:12px;margin-top:23px}
.wi-hero-note{font-size:11px;line-height:1.6;color:#55554f;margin-bottom:0}
.wi-example{border-top:2px solid #171717;padding-top:20px;min-width:0}
.wi-example h2{font-size:27px;line-height:1.18;margin:10px 0 18px;letter-spacing:-.025em}
.wi-example .wi-label{font-size:10px;line-height:1.6;margin-bottom:12px}
.wi-case-setup{font-size:15px;line-height:1.65;margin-bottom:23px}
.wi-record{padding:17px 0 4px;border-top:1px solid #b8b8ae}
.wi-record blockquote{font:25px/1.4 Georgia,'Times New Roman',serif;letter-spacing:-.018em;margin:0 0 16px}
.wi-record .wi-caption{font-size:12px;line-height:1.65;margin-bottom:12px}
.wi-record .wi-reading{font-size:25px;line-height:1.35;margin-bottom:15px}
.wi-analysis-note{padding:17px 0 0;border-top:1px solid #b8b8ae}
.wi-analysis-note>p:last-child{font-size:14px;line-height:1.7;margin-bottom:10px}
.wi-context{border-top:1px solid #d6d6cf;font-size:14px;line-height:1.7;margin-top:15px}
.wi-context summary{font:14px/1.6 Arial,Helvetica,sans-serif;padding:13px 25px 13px 0;min-height:46px;position:relative;list-style:none;text-decoration:underline;text-underline-offset:4px}
.wi-context summary::-webkit-details-marker{display:none}
.wi-context summary::after{content:'+';position:absolute;right:0;top:10px;font-size:22px}
.wi-context[open] summary::after{content:'−'}
.wi-context p{margin:8px 0 16px}
.wi-context ul{padding-left:18px;margin:15px 0;font-size:12px;line-height:1.7}
.wi-context li{padding:6px 0}
.wi-boundary-v2{padding:25px 0;gap:35px}
.wi-boundary-v2 p{font-size:14px;line-height:1.7}
.wi-proposal{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,1fr);gap:clamp(35px,5vw,70px);padding:45px 0 0}
.wi-proposal .wi-eyebrow{margin-bottom:14px}
.wi-proposal h2{font-size:32px;line-height:1.2;margin-bottom:20px;max-width:28ch}
.wi-proposal p{font-size:16px;line-height:1.7;max-width:62ch}
.wi-proposal-links{display:grid;gap:6px;font-size:14px}
.wi-proposal-links a{padding:7px 0}
.wi-hard-case{padding:2px 0 0 28px;border-left:1px solid #b8b8ae}
.wi-hard-case h3{font-size:25px;line-height:1.25;margin-bottom:17px}
.wi-hard-case>p{font-size:15px;line-height:1.7}
.wi-hard-case .wi-context p{font-size:14px}
.wi-main .wi-study{padding-top:47px;margin-top:45px}
.wi-use{max-width:850px;margin:60px auto 0;border-top:1px solid #171717;padding-top:30px}
.wi-use h2{font-size:31px;line-height:1.2;margin-bottom:24px}
.wi-reference>p{font-size:14px;line-height:1.75;margin-bottom:20px}
.wi-faq{border-top:1px solid #b8b8ae;margin-top:20px}
.wi-faq details{border-bottom:1px solid #b8b8ae;padding-bottom:0;font-size:14px;line-height:1.7}
.wi-faq summary{padding:16px 25px 16px 0;min-height:50px;position:relative;list-style:none;font-size:15px}
.wi-faq summary::-webkit-details-marker{display:none}
.wi-faq summary::after{content:'+';position:absolute;right:0;top:11px;font-size:23px}
.wi-faq details[open] summary::after{content:'−'}
.wi-faq details>a{display:inline-block;padding:0 0 18px;font-size:13px}
.wi-data{margin-top:20px;font-size:14px;line-height:1.7}
.wi-data summary{padding:13px 0;min-height:48px}
.wi-data li{padding:7px 0}
@media(max-width:760px){
 .wi-hero-v2{grid-template-columns:1fr;gap:32px;padding-top:30px;padding-bottom:27px}
 .wi-page.wi-main main .wi-hero-v2 h1{font-size:clamp(37px,9.4vw,56px);line-height:1.08;margin-bottom:22px;max-width:18ch}
 .wi-hero-v2 .wi-lead{font-size:17px;line-height:1.65;margin-bottom:23px;max-width:60ch}
 .wi-hero-v2 .wi-date{font-size:11px;margin-top:19px;margin-bottom:7px}
 .wi-example{padding-top:20px}
 .wi-example h2{font-size:26px;margin-bottom:16px}
 .wi-case-setup{font-size:15px;line-height:1.65;margin-bottom:20px}
 .wi-record blockquote{font-size:25px;line-height:1.4}
 .wi-record .wi-reading{font-size:24px}
 .wi-analysis-note>p:last-child{font-size:14px}
 .wi-boundary-v2{gap:16px;padding:24px 0}
 .wi-proposal{grid-template-columns:1fr;gap:25px;padding-top:32px}
 .wi-proposal h2{font-size:29px;line-height:1.2}
 .wi-proposal p{font-size:15px;line-height:1.7}
 .wi-hard-case{padding:23px 0 0;border-left:0;border-top:1px solid #b8b8ae}
 .wi-hard-case h3{font-size:24px;line-height:1.25}
 .wi-main .wi-study{margin-top:32px;padding-top:32px}
 .wi-use{margin-top:38px;padding-top:26px}
 .wi-use h2{font-size:28px}
 .wi-reference>p{font-size:13px}
 .wi-faq summary{font-size:14px}
}
@media print{.wi-hero-v2{display:block}.wi-example{margin-top:20pt}.wi-example blockquote{font-size:14pt}.wi-proposal{display:block}.wi-hard-case{border-left:0;padding-left:0}.wi-use{display:none}.wi-context{display:none}}