/* Public, static resources · no remote fonts, trackers, form submissions or cookies. */
.resource-center{--rc-ink:#1d2a3d;--rc-muted:#566377;--rc-green:#314460;background:#f6f7f9;color:var(--rc-ink);font-family:Inter,Pretendard,"Noto Sans KR",system-ui,sans-serif}
.resource-center .wrap{width:min(1100px,calc(100% - 34px));margin:0 auto}
.resource-center button,.resource-center select{font:inherit}
.resource-center a{text-decoration:none}
.rc-header{position:sticky;top:0;z-index:40;background:#fafbfced;border-bottom:1px solid #dadfd9;box-shadow:0 4px 22px #232d3c0a}
.rc-nav{display:flex;justify-content:space-between;gap:20px;align-items:center;min-height:76px}
.rc-brand{display:inline-flex;align-items:center;gap:13px;color:#283343;font:italic 26px Georgia,serif;white-space:nowrap}
.rc-brand span{font:800 13px Inter,system-ui,sans-serif;letter-spacing:.12em}
.rc-nav nav{display:flex;gap:24px;align-items:center;white-space:nowrap;overflow-x:auto;scrollbar-width:thin}
.rc-nav nav a{display:inline-flex!important;flex-shrink:0;color:#444f5f;font-size:12px;font-weight:750}
.rc-nav nav a:hover{text-decoration:underline;text-underline-offset:5px}
.rc-kicker{font-weight:850;letter-spacing:.16em;color:#536683;font-size:11px;margin:0 0 21px}
.rc-hero{background:radial-gradient(circle at 83% 15%,#e0e4e9 0%,transparent 40%),#eaedf1;padding:92px 0 83px}
.rc-hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(300px,.85fr);gap:clamp(40px,6vw,80px);align-items:center}
.rc-hero h1{font-size:clamp(35px,4.4vw,59px);line-height:1.3;letter-spacing:-.058em;color:#1b2a40;margin:0 0 24px;word-break:keep-all}
.rc-hero h1 em{font-style:normal;color:#435672}
.rc-hero p:not(.rc-kicker,.los-status){max-width:640px;color:#515d70;line-height:1.9;font-size:16px}
.rc-actions{display:flex;gap:18px;align-items:center;flex-wrap:wrap;margin-top:28px}
.rc-primary{display:inline-flex;align-items:center;justify-content:center;background:#223147;color:#fff;border:0;border-radius:6px;min-height:44px;padding:13px 20px;cursor:pointer;font-weight:800;font-size:13px}
.rc-primary:hover,.rc-primary:focus-visible{background:#394a64}
.rc-secondary{display:inline-flex;align-items:center;font-size:13px;font-weight:800;color:#354359;text-decoration:underline;text-underline-offset:5px}
.rc-hero-note{background:#233147;border-radius:8px;padding:31px;color:#fff;box-shadow:0 24px 40px #1e26331e}
.rc-note-tag{font-size:10px;color:#c8ced7;letter-spacing:.16em}
.rc-note-rows{margin:26px 0;border-top:1px solid #ffffff35}
.rc-note-rows p{font-size:15px!important;color:#e7e9ed!important;padding:18px 0;border-bottom:1px solid #ffffff35;margin:0!important}
.rc-note-rows b{font:italic 17px Georgia,serif;color:#9db1cf;margin-right:15px}
.rc-hero-note small{font-size:10px;letter-spacing:.08em;color:#a8b4c5}
.rc-section{padding:83px 0;scroll-margin-top:90px}
.rc-section h2{font-size:clamp(27px,3.5vw,40px);line-height:1.35;letter-spacing:-.044em;margin:0 0 16px;color:#1d2a3d}
.rc-intro{max-width:770px;color:#59677c;font-size:14px;line-height:1.9;margin:0}
.rc-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px;margin:34px 0 0}
.rc-card{background:#fff;border:1px solid #dadee5;padding:25px;min-width:0;border-radius:7px;display:flex;flex-direction:column;align-items:flex-start;min-height:196px}
.rc-card-tag{display:inline-flex;font-size:10px;font-weight:850;color:#4b5b73;letter-spacing:.1em;background:#eaedf1;border-radius:4px;padding:7px 10px}
.rc-card h3{font-size:20px;color:#28364c;letter-spacing:-.03em;line-height:1.45;margin:20px 0 11px}
.rc-card p{font-size:13px;line-height:1.75;color:#5d6b80;margin:0 0 23px}
.rc-card-link{border:0;background:transparent;color:#304461;font-size:13px;font-weight:850;padding:9px 0;cursor:pointer;margin-top:auto}
.rc-card-link:hover,.rc-card-link:focus-visible{text-decoration:underline;text-underline-offset:4px}
.rc-preview{background:white;border:1px solid #d7dbe2;border-radius:7px;margin-top:36px;padding:33px;scroll-margin-top:100px}
.rc-preview[hidden]{display:none}
.rc-preview-head{display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid #dfe4df;padding-bottom:24px}
.rc-preview-head h3{font-size:26px;letter-spacing:-.03em;line-height:1.4;margin:5px 0 12px}
.rc-preview-head p:not(.rc-kicker){font-size:13px;color:#59667a}
.rc-formula-row{display:grid;grid-template-columns:35px minmax(110px,.55fr) minmax(160px,1fr);gap:12px 18px;border-bottom:1px solid #dfe2e7;padding:18px 0;align-items:start}
.rc-formula-number{font:italic 13px Georgia,serif;color:#64748b}
.rc-formula-topic{color:#49576b;font-size:12px;font-weight:800}
.rc-formula-equation{font-family:Cambria,Georgia,serif;font-size:17px;color:#233146;line-height:1.5;overflow-wrap:anywhere}
.rc-formula-note{grid-column:3;color:#687c77;line-height:1.7;font-size:12px;margin:0}
.rc-caution{background:#ebeef2;border-left:3px solid #7289ac;padding:15px;color:#4b5768;font-size:12px;line-height:1.8;margin:24px 0 0}
.rc-print-foot{font-size:10px;color:#82918b;margin-top:24px}
.rc-alt{background:#eceef0}
.rc-safety{background:#fff;border:1px solid #d4d9e0;border-radius:7px;padding:22px 24px;margin-top:25px}
.rc-safety strong{font-size:14px;color:#2c3e58}
.rc-safety p{font-size:12px;color:#5b697d;line-height:1.8;margin:8px 0 0}
.rc-subscription{background:#1c2a40;color:#fff}
.rc-subscribe-grid{display:grid;grid-template-columns:1fr minmax(250px,.7fr);align-items:center;gap:60px}
.rc-subscription .rc-kicker{color:#b6c0ce}.rc-subscription h2{color:#fff}
.rc-subscription p:not(.rc-kicker){color:#c7cdd6;font-size:14px;line-height:1.9;max-width:700px}
.rc-disclaimer{font-size:12px!important;color:#b1bfd4!important}
.rc-subscribe-note{padding:27px;background:#ffffff12;border:1px solid #ffffff35;border-radius:7px;text-align:center}
.rc-subscribe-note h3{font-size:14px;color:#d3d8e0;margin:4px 0 25px}
.rc-subscribe-note p{color:#fff!important;margin:0 0 6px;font-size:15px!important}
.rc-subscribe-note span{display:block;color:#95accf;margin:9px 0}
.rc-subscribe-note small{color:#a5afbe}
.rc-footer{background:#131e2e;color:#afb9c9;padding:25px 0}
.rc-footer .wrap{display:flex;gap:20px;align-items:center;justify-content:space-between;font-size:11px}
.rc-footer a{color:#cad1dc}
.rc-diagnostic-intro{padding:65px 0 35px}.rc-diagnostic-intro .wrap{max-width:1100px}
.rc-diagnostic-intro h1{font-size:clamp(31px,4vw,47px)}
.rc-diagnostic-intro .rc-safety{max-width:760px;background:#fcfcfd}
.rc-test-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.35fr);gap:25px;align-items:start}
.rc-test-main{min-width:0}
.rc-test-header h2{font-size:clamp(24px,3vw,31px)}
.rc-test-header>p:not(.rc-kicker){font-size:13px;color:#566376;line-height:1.8}
.rc-select-label{display:block;font-size:13px;font-weight:800;color:#404e63;margin:18px 0 9px}
#test-select{padding:13px 18px;font-size:14px;border:1px solid #cad0d9;background:#fff;border-radius:6px;min-height:46px;width:min(100%,440px)}
.rc-question-list{display:grid;gap:15px;margin-top:28px}
.rc-question{background:#fff;border:1px solid #dadee5;border-radius:7px;padding:24px}
.rc-q-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.rc-q-count{font-size:10px;letter-spacing:.14em;color:#627188;font-weight:850}
.rc-q-skill{font-size:11px;color:#7a8e86}
.rc-q-stem{font-size:17px;line-height:1.75;color:#28374e;margin:13px 0 16px;word-break:keep-all}
.rc-q-options{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.rc-q-option{display:flex;align-items:center;gap:10px;padding:12px;border:1px solid #dde1e7;border-radius:5px;font-size:13px;line-height:1.6;color:#3f4957;cursor:pointer;margin:0}
.rc-q-option:has(input:checked){border-color:#245dc6;background:#eff1f5}
.rc-q-option input{accent-color:#394c68;width:16px;height:16px;flex-shrink:0}
.rc-q-option span{margin:0;font-weight:600;font-size:13px}
.rc-test-actions{display:flex;flex-wrap:wrap;gap:12px;margin:25px 0 10px}
.rc-muted-button{min-height:44px;border-radius:6px;border:1px solid #c6ccd6;background:#fff;color:#465263;padding:12px 18px;cursor:pointer;font-weight:800;font-size:13px}
.rc-privacy{font-size:11px;color:#637289;line-height:1.8}
.rc-test-aside{position:sticky;top:120px;padding:29px;border-radius:7px;background:#243248;color:#fff}
.rc-test-aside>span{font-size:10px;letter-spacing:.18em;color:#bcc5d2}
.rc-test-aside h3{font-size:25px;line-height:1.5;margin:22px 0}
.rc-test-aside ol{padding-left:24px;font-size:13px;line-height:2.15;color:#e0e3e8}
.rc-test-aside p{font-size:12px;color:#bfc7d3;line-height:1.8;margin-top:23px}
.rc-report-section{background:#eaecef;padding:70px 0}
.rc-report-section[hidden]{display:none}
.rc-report-paper{background:#fff;border:1px solid #d5dae1;box-shadow:0 24px 55px #212d4013;border-radius:7px;padding:clamp(24px,5vw,55px);margin-top:26px}
.rc-report-cover{display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid #dadee4;padding-bottom:25px}
.rc-report-cover h3{font-size:28px;line-height:1.4;margin:12px 0;color:#2c3a4e}
.rc-report-cover p{font-size:12px;color:#768981;line-height:1.8}
.rc-report-score{min-width:120px;text-align:center;background:#eaecf0;border-radius:7px;padding:19px 15px}
.rc-report-score strong{display:block;font-size:30px;color:#2d3f5b}
.rc-report-score small{font-size:11px;color:#5d6b81}
.rc-report-summary{font-size:13px;color:#525f72;line-height:1.9;margin:25px 0}
.rc-report-paper h4{font-size:17px;color:#2b384c;margin:32px 0 16px}
.rc-report-skills{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.rc-skill-head{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;margin-bottom:9px;color:#3f4d61}
.rc-skill-track{width:100%;height:9px;background:#e2e5ea;border-radius:10px;overflow:hidden}
.rc-skill-fill{display:block;height:100%;background:#485b77}
.rc-recommend{display:flex;gap:18px;border-top:1px solid #dce0e6;padding:19px 0}
.rc-recommend-index{font:italic 16px Georgia,serif;color:#65758c}
.rc-recommend strong{font-size:14px;color:#333e4e}
.rc-recommend p{font-size:13px;line-height:1.8;color:#5e6c81;margin:8px 0}
.rc-success{font-size:13px;color:#35445a}
#answer-review{border-top:1px solid #d9dde4;margin-top:28px;padding-top:16px}
#answer-review summary{font-size:14px;cursor:pointer;font-weight:850;color:#364a68}
.rc-answer-review{border-bottom:1px solid #e0e4e9;padding:17px 0}
.rc-answer-review strong{font-size:13px;color:#29374d}
.rc-answer-review p{font-size:12px;color:#59677c;line-height:1.8}
.rc-report-actions{display:flex;gap:24px;flex-wrap:wrap;align-items:center;margin:25px 0}
.rc-report-conversion{padding:24px;border-radius:7px;background:#fff;border:1px solid #d9dde4}
.rc-report-conversion strong{font-size:16px;color:#2b384c}
.rc-report-conversion p{font-size:13px;line-height:1.8;color:#59667a}
.los-hero-card{padding:30px;border-radius:7px;background:#223046;color:#fff}
.los-circle{display:flex;align-items:center;justify-content:center;gap:13px;flex-wrap:wrap;margin:38px 0;color:#bdc6d3;font:italic 16px Georgia,serif}
.los-loop{border-top:1px solid #ffffff42;padding-top:20px;font-size:15px;font-weight:850;color:#fff}
.los-hero-card>p{color:#c6ccd5!important;font-size:12px!important;line-height:1.8}
.los-status{font-size:12px!important;color:#5f6d83!important;margin-top:20px!important}
.los-comparison{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px}
.los-comparison article{background:#fff;border:1px solid #dce0e6;border-radius:7px;padding:29px}
.los-comparison h3{font-size:22px;color:#25354e;margin:20px 0}
.los-comparison p{font-size:13px;line-height:1.85;color:#576477}
.los-comparison a{font-size:13px;font-weight:800;color:#245dc6}
.los-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;margin-top:30px}
.los-steps article{padding:27px;background:#fff;border:1px solid #d8dce2;border-radius:7px}
.los-steps article span{font-size:11px;font-weight:800;color:#415470;letter-spacing:.1em}
.los-steps h3{color:#27364c;font-size:19px;margin:22px 0 13px}
.los-steps p{font-size:13px;color:#5c6a7f;line-height:1.8}
.los-guard{border-left:3px solid #8295b2;padding:16px;background:#f8f9fb;color:#4a5566;font-size:12px;line-height:1.85;margin-top:25px}
.resource-center :focus-visible{outline:3px solid #5c7baa;outline-offset:3px}
@media(max-width:930px){.rc-hero-grid,.rc-subscribe-grid,.rc-test-layout{grid-template-columns:1fr}.rc-hero-note{max-width:700px}.rc-test-aside{position:static}.los-steps{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.rc-nav{min-height:70px;flex-wrap:wrap;gap:8px;padding:12px 0}.rc-nav nav{width:100%;gap:20px;padding:7px 0}.rc-nav nav a{display:inline-flex!important}.rc-hero{padding:55px 0 61px}.rc-hero h1{font-size:clamp(32px,8vw,43px)}.rc-hero p:not(.rc-kicker){font-size:14px}.rc-section{padding:59px 0}.rc-cards,.los-comparison,.los-steps,.rc-report-skills{grid-template-columns:1fr}.rc-card{min-height:0}.rc-preview{padding:18px}.rc-preview-head{flex-direction:column;align-items:start}.rc-formula-row{grid-template-columns:25px 1fr}.rc-formula-topic{grid-column:2}.rc-formula-equation{grid-column:2}.rc-formula-note{grid-column:2}.rc-q-options{grid-template-columns:1fr}.rc-test-aside{display:none}.rc-report-cover{flex-direction:column;align-items:start}.rc-report-score{align-self:stretch}.rc-footer .wrap{flex-wrap:wrap}.rc-actions{gap:15px}.rc-subscribe-grid{gap:26px}}
@media print{
 @page{size:A4;margin:13mm}
 body.resource-center{color:#111;background:#fff;font:10pt Georgia,serif}
 .rc-header,.rc-footer,.rc-hero,.rc-alt,.rc-subscription,.rc-actions,.rc-card,.rc-cards,.rc-intro,.rc-report-actions,.rc-report-conversion,.rc-test-aside,.rc-test-actions,.rc-test-header,.rc-question-list,.rc-privacy,.rc-report-head{display:none!important}
 .resource-center #formula{display:block!important;padding:0!important}
 .resource-center #sheet-preview{display:block!important;border:0;box-shadow:none;margin:0;padding:0}
 .resource-center #sheet-preview .rc-preview-head{display:flex;flex-direction:column;align-items:flex-start}
 .resource-center #print-sheet{display:none!important}
 .rc-formula-row{page-break-inside:avoid;break-inside:avoid}
 .diagnostic-page #assessment{display:none!important}
 .diagnostic-page #formula{display:none!important}
 .diagnostic-page #diagnostic-report{display:block!important;padding:0!important}
 .diagnostic-page .rc-report-paper{padding:0;border:0;box-shadow:none;margin:0}
 .diagnostic-page .rc-report-section .wrap{width:100%}
 .rc-skill-track{border:1px solid #bbb}
 #answer-review[open]{break-inside:auto}
 #answer-review .rc-answer-review{break-inside:avoid}
}


/* The free resources, diagnostics and Learning OS information share the main design tokens. */
.resource-center .rc-header{background:#fbfcffef}
.resource-center .rc-nav nav a:hover{color:var(--ms-blue)}
.resource-center .rc-hero,.resource-center .rc-test-hero{background:radial-gradient(circle at 85% 10%,#e9f0fb 0%,transparent 48%),#f2f6fc}
.resource-center .rc-primary{background:var(--ms-blue)}
.resource-center .rc-primary:hover{background:var(--ms-blue-hover)}
.resource-center .rc-footer{background:var(--ms-navy)}
.resource-center .rc-success{color:#167049}

.resource-center{--rc-green:var(--ms-blue);--rc-ink:var(--ms-navy);--rc-muted:var(--ms-muted)}



/* Tutoring flow quality: one visible language action, mobile-friendly progress and CTA. */
.rc-language{flex:0 0 auto;margin:0;border:1px solid #cbd8e9;border-radius:20px;padding:8px 13px;background:#fff;color:var(--ms-navy);font-size:12px;font-weight:800;cursor:pointer;min-height:44px}
.rc-language:hover{border-color:var(--ms-blue);color:var(--ms-blue)}
.rc-language:focus-visible{outline:2px solid var(--ms-blue);outline-offset:3px}
.rc-nav nav a{min-height:44px;align-items:center}
.rc-consult-next{margin-top:11px}
#answer-progress{position:sticky;top:90px;z-index:2;width:fit-content;max-width:100%;padding:9px 13px;border:1px solid #d8e4f3;background:#f2f6fcee;border-radius:18px;color:var(--ms-navy);font-size:12px;font-weight:800;backdrop-filter:blur(6px)}
.rc-card-link,.rc-primary,.rc-secondary,.rc-muted-button,.rc-q-option{min-height:44px}
@media(max-width:640px){
 .rc-nav{column-gap:12px;row-gap:0}
 .rc-nav .rc-language{margin-left:auto}
 .rc-nav nav{order:3}
 .rc-hero{padding:39px 0 43px}
 .rc-hero-note,.rc-subscribe-note{display:none}
 .rc-section{padding:41px 0}
 .rc-actions{display:flex;flex-direction:column;align-items:stretch;gap:8px;margin-top:16px}
 .rc-actions a{margin:0;text-align:center;justify-content:center}
 .rc-report-actions{gap:10px}
 .rc-report-actions>button,.rc-report-actions>a{width:100%;text-align:center;justify-content:center}
 .rc-consult-next{width:100%;display:flex;justify-content:center}
 #answer-progress{top:114px}
 .rc-report-paper{padding:20px 16px}
}
@media print{
 .rc-language,#answer-progress,.rc-consult-next{display:none!important}
}