:root{--ink:#162338;--muted:#586579;--cream:#f5f7fb;--paper:#fff;--line:#dce2eb;--teal:#244b86;--navy:#182f56;--gold:#896329;--red:#ae3443;--sans:Inter,ui-sans-serif,system-ui,-apple-system,'Segoe UI',Arial,sans-serif;--serif:var(--sans)}
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footer{border-top:1px solid var(--line);background:#f7f9fc;padding:35px 0 23px;color:var(--muted)}.footer-layout{display:flex;align-items:start;justify-content:space-between;gap:45px}.footer-brand{font-size:15px;font-weight:650;color:var(--ink);margin-bottom:7px;letter-spacing:-.025em}.footer-description{font-size:12px;max-width:44ch;line-height:1.8}.footer-links{display:flex;gap:35px}.footer-links div{display:flex;flex-direction:column;gap:7px}.footer-links a{font-size:12px;color:var(--muted);text-decoration:none}.footer-links a:hover{text-decoration:underline}.footer-bottom{display:flex;justify-content:space-between;gap:24px;border-top:1px solid var(--line);padding-top:19px;margin-top:26px;font-size:11px}.footer-bottom span:last-child{max-width:62ch;text-align:right}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);width:max-content;max-width:calc(100% - 32px);padding:13px 20px;background:#192d4b;color:white;border-radius:7px;box-shadow:0 6px 24px #172e4d18;font-size:13px;z-index:30;display:none}.loading{padding:80px 24px;text-align:center;color:var(--muted)}.hide{display:none!important}.mono{font-family:ui-monospace,monospace;font-size:11px;overflow-wrap:anywhere}.row-stack{display:flex;flex-direction:column;gap:4px}.prewrap{white-space:pre-wrap;overflow-wrap:anywhere}code{font-family:ui-monospace,monospace;background:#edf2f8;padding:3px 6px;border-radius:4px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
@media(max-width:1000px){.hero{gap:45px;padding:65px 0}.hero h1{font-size:56px}.main-links{gap:17px}.nav{gap:20px}.auth-layout{gap:40px}.study-banner{gap:35px;padding:33px}.article-layout{grid-template-columns:175px minmax(0,1fr);gap:25px}.study-top{gap:32px}.question-layout{grid-template-columns:minmax(0,1fr) 225px}.question-panel{padding:28px}.quiz-layout{grid-template-columns:minmax(0,1fr) 205px}}
@media(max-width:780px){.container{width:calc(100% - 40px)}.topbar{min-height:73px;flex-wrap:wrap;gap:0;padding:16px 0}.brand-icon{width:32px;height:32px}.brand-name{font-size:18px}.brand-product{font-size:10px}.nav-toggle{display:block}.nav{display:none;width:100%;align-items:stretch;padding-top:18px;margin-top:16px;border-top:1px solid var(--line)}header.menu-open .nav{display:flex;flex-direction:column;gap:18px}.main-links{display:flex;flex-direction:column;align-items:stretch;gap:0}.main-links a{padding:10px 0;font-size:15px}.account-links{border-top:1px solid var(--line);padding-top:17px;flex-wrap:wrap}.account-links a,.nav .link-button{font-size:14px}.nav .button{min-height:42px}.hero{gap:35px;padding:45px 0;grid-template-columns:1fr 1fr}.hero h1{font-size:46px}.hero .lead{font-size:16px}.hero-brief{padding:25px}.hero-brief h2{font-size:22px}.hero-facts dt{font-size:32px}.hero-facts div+div{padding-left:18px}.section{padding:50px 0}.section-heading{gap:24px}.section-heading h2{font-size:26px}.section-heading p{font-size:14px}.study-banner{grid-template-columns:1fr;gap:20px}.process-list{gap:22px}.process-item h3{font-size:17px}.comparison{gap:28px}.auth-layout{grid-template-columns:1fr 1fr;gap:25px;margin-top:40px}.auth-intro h1{font-size:36px}.panel{padding:24px}.study-top{grid-template-columns:1fr;gap:15px}.study-top h1{font-size:42px;max-width:18ch}.study-overview{padding:23px;max-width:650px}.article-layout{grid-template-columns:1fr}.toc{position:static;padding:0;display:flex;flex-wrap:wrap;gap:0 22px;border-bottom:1px solid var(--line);padding-bottom:14px}.toc strong{width:100%;margin:0}.toc a{padding:7px 0}.article-body{padding:4px 26px 15px}.quiz-layout{grid-template-columns:minmax(0,1fr) 190px}.grid-main{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr)}.self-start-card{padding:26px}.question-layout{grid-template-columns:minmax(0,1fr) 200px}.question-text{font-size:23px}.answer{padding:16px 13px;font-size:14px}.footer-layout{gap:28px}.footer-links{gap:25px}}
@media(max-width:600px){.hero{grid-template-columns:1fr;padding:38px 0 35px;gap:32px}.hero h1{font-size:47px;max-width:10ch;margin-bottom:21px}.hero .eyebrow{font-size:11px}.hero-brief{padding:28px}.hero-brief .eyebrow{margin-bottom:20px}.hero-brief h2{font-size:23px}.hero-facts{padding:20px 0;margin:20px 0}.hero-facts dt{font-size:35px}.hero .actions .button{padding:12px 17px}.hero-note{font-size:12px}.intro-line{gap:12px;flex-wrap:wrap;justify-content:start;font-size:12px;padding:18px 0}.intro-line span{flex-basis:calc(50% - 6px)}.section-heading{display:block;margin-bottom:26px}.section-heading h2{margin-bottom:15px}.section-heading h2:last-child{margin-bottom:0}.section-heading p{max-width:55ch}.process-list{grid-template-columns:1fr;gap:25px}.process-item{display:grid;grid-template-columns:35px 1fr;gap:0 15px;padding-top:19px;border-top:1px solid var(--line)}.process-item .num{grid-row:span 2;margin-top:2px}.process-item h3{font-size:18px;margin-bottom:8px}.process-item p{font-size:14px}.study-banner{padding:28px 24px}.study-banner h2{font-size:29px}.comparison{grid-template-columns:1fr;gap:8px}.comparison article{padding:23px 0}.closing-cta{display:block;padding-bottom:45px}.closing-cta .button{margin-top:22px}.section{padding:42px 0}.page-top{padding:31px 0 25px}.page-top h1{font-size:33px;line-height:1.2}.page-content{padding-bottom:45px}.page-top .muted{font-size:14px}.grid-main,.grid-2,.question-layout,.quiz-layout{grid-template-columns:minmax(0,1fr)}.self-start-card{padding:24px}.self-start-card h2{font-size:26px}.self-start-card p{font-size:14px}.self-start-card .actions{gap:15px}.metric-cards{gap:9px}.metric{padding:16px 12px}.metric strong{font-size:27px}.metric span{font-size:11px}.tab-nav{gap:21px;margin-bottom:23px}.row{gap:12px}.row h3{font-size:14px}.row .button{padding:9px 12px;font-size:11px}.panel{padding:22px}.auth-layout{grid-template-columns:1fr;gap:18px;margin:25px auto 45px}.auth-intro{padding-top:0}.auth-intro h1{font-size:36px;margin-bottom:13px}.auth-intro>p{margin-bottom:0;font-size:14px;max-width:none}.auth-points{display:none}.auth-layout .panel{padding:24px}.auth-layout .eyebrow{margin-bottom:13px}.auth-wrap{margin:30px auto 45px}.field{margin-bottom:19px}input,select,textarea{font-size:16px}.checkbox{font-size:12px}.question-panel{padding:24px}.question-text{font-size:23px;line-height:1.55;margin:25px 0}.answer-options{gap:10px}.answer{font-size:14px;padding:14px 12px;gap:9px;min-height:67px}.question-footer{gap:12px}.question-footer button{font-size:12px;min-height:42px;padding:10px 13px}.question-layout .sidebar{order:2}.numbers{grid-template-columns:repeat(10,minmax(0,1fr));max-height:150px}.numbers button{font-size:10px}.question-nav{font-size:11px}.question-number{font-size:11px}.pill{font-size:11px;padding:5px 8px}.note{padding:16px 17px;font-size:12px}.study-top{padding:32px 0 28px}.study-top h1{font-size:38px;max-width:14ch}.study-top .lead{font-size:16px}.study-overview{padding:21px}.article-body{padding:0 22px 15px}.lesson{padding:25px 0}.lesson h2{font-size:23px}.lesson p{font-size:14px;line-height:1.85}.study-callout{display:block;padding:25px}.study-callout .button{margin-top:20px}.quiz-question{padding:23px}.quiz-question h2{font-size:23px}.quiz-option{padding:15px 14px;font-size:14px}.quiz-overview .numbers{grid-template-columns:repeat(6,minmax(0,1fr));max-height:none}.quiz-overview{order:2}.quiz-navigation .button,.quiz-navigation button{font-size:12px;padding:10px 14px}.guide-step{grid-template-columns:28px 1fr;gap:12px}.guide-step h2{font-size:22px}.faq-group h2{font-size:22px}.faq-list summary{font-size:14px}.faq-list details p{font-size:13px}.footer-layout{display:block}.footer-links{margin-top:25px;gap:65px}.footer-bottom{display:block;font-size:11px}.footer-bottom span{display:block}.footer-bottom span:last-child{text-align:left;margin-top:8px}.text-article h2{font-size:22px}.text-article p,.text-article li{font-size:14px}th,td{padding:11px 10px}table{font-size:12px}.chart{margin-top:12px}}
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@media print{header,footer,.actions,.tab-nav,#toast,.toc,.nav-toggle{display:none!important}body,.public-main{background:white}.container{width:100%;max-width:none}.panel,.article-body{border:0;padding:0}.report-section,.lesson{break-inside:avoid}.page-top{padding-top:0}.quiz-layout,.grid-main,.article-layout{display:block}}