.reader-app{color:#19312b;background:#fafbf8;font-family:inherit;line-height:1.8}.reader-header{display:flex;gap:24px;align-items:center;flex-wrap:wrap;max-width:1280px;padding:24px 32px;margin:auto;border-bottom:1px solid #dce4de}.reader-header nav,.reader-languages,.reader-footer nav{display:flex;gap:20px;flex-wrap:wrap}.reader-brand{font-size:20px;letter-spacing:2px;margin-right:auto;color:#183e30;text-decoration:none}.reader-languages a[aria-current]{font-weight:700;text-decoration:underline;text-underline-offset:6px}.reader-app a{color:#24593f}.reader-app .btn.primary{background:#24593f;color:white}.reader-shell{max-width:1180px;margin:auto;padding:48px 32px}.reader-heading{max-width:830px;margin:0 0 40px}.reader-heading h1{font-size:clamp(28px,4vw,44px);line-height:1.3;margin:16px 0}.reader-outcome{font-size:21px}.reader-note{color:#53645c;font-size:15px;max-width:720px}.reader-grid{display:grid;grid-template-columns:235px minmax(0,1fr);gap:42px}.reader-toc{position:sticky;top:24px;max-height:85vh;overflow:auto;padding:20px;border:1px solid #dce4de;background:white;border-radius:12px;font-size:15px}.reader-toc summary{cursor:pointer;font-weight:700}.reader-toc ol{padding-left:20px}.reader-toc li{margin:9px 0}.reader-content{min-width:0}.reader-section{margin:0 0 30px;padding:30px;background:white;border:1px solid #dce4de;border-radius:14px;scroll-margin-top:20px}.reader-section h2{font-size:27px;line-height:1.4;margin:0 0 20px}.reader-section h3{margin-top:28px}.reader-section table{width:100%}.reader-section-action{border-top:1px solid #e3e8e3;padding-top:20px;margin-top:28px}.reader-section details{border:1px solid #cddccf;border-radius:10px;padding:18px}.reader-section summary{cursor:pointer;font-weight:bold}.reader-audio{display:block;margin:12px 0;max-width:100%}.reader-audio figcaption{font-size:14px;color:#53645c}.reader-audio audio{display:block;width:100%;max-width:330px;height:42px}.reader-static-choice{display:inline-block;margin:4px 10px 4px 0;padding:2px 0;border-bottom:1px dotted #b8c8ba}.reader-answer{padding:16px 0;border-bottom:1px solid #e3e8e3}.reader-answer h4{font-size:18px;margin:8px 0}.reader-answer p{margin:8px 0}.reader-bottom{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;border-top:1px solid #dce4de;padding-top:28px}.reader-footer{max-width:1180px;margin:auto;padding:32px;display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;font-size:14px}.reader-mode-link{display:flex;justify-content:flex-end;margin:0 0 16px;font-size:15px}.reader-content img,.reader-content svg{max-width:100%}.reader-section .table-wrap{overflow:auto}.reader-section .question{margin:16px 0}.reader-app .option{cursor:default}.reader-app .option input{display:none}@media(max-width:760px){.reader-header{padding:18px;gap:15px}.reader-header nav{gap:16px;font-size:14px}.reader-languages{width:100%}.reader-shell{padding:26px 16px}.reader-grid{grid-template-columns:minmax(0,1fr);gap:24px}.reader-toc{position:static;max-height:none}.reader-section{padding:22px 17px}.reader-section h2{font-size:23px}.reader-outcome{font-size:18px}.reader-footer{padding:24px 16px}.reader-section .composition{flex-wrap:wrap}.reader-content{overflow-wrap:anywhere}}@media print{.reader-header,.reader-toc,.reader-section-action,.reader-bottom,.reader-footer,.reader-audio,.reader-mode-link{display:none}.reader-shell{max-width:none;padding:0}.reader-grid{display:block}.reader-section{break-inside:auto;border:0;padding:8px 0}.reader-heading{margin-bottom:20px}.reader-note{display:none}}
.reader-app .pair-row,.reader-app .actions{flex-wrap:wrap}.reader-app .pair-row .reader-audio,.reader-app .actions .reader-audio{flex:1 1 220px;min-width:0}.reader-app .sound-card{min-width:0}.reader-app .reader-audio audio{min-width:0}.reader-app .reader-content [aria-labelledby]{scroll-margin-top:20px}

.reader-task{padding:18px 0;border-bottom:1px solid #e1e8e1}.reader-task h4{font-size:18px;line-height:1.55;margin:0 0 12px}.reader-task h5{font-size:16px;margin:0 0 10px}.reader-task p{margin:8px 0}.reader-choice-list{padding-left:24px;margin:12px 0}.reader-choice-list li{margin:6px 0}.reader-card-group{margin:24px 0}.reader-card-group>h4{font-size:20px;margin-bottom:12px}.reader-model{margin-top:16px;background:#f6f9f4}.reader-model p[lang=ko]{white-space:pre-line}.reader-block+.reader-block{margin-top:24px}.reader-app .reader-rendered-case{margin:22px 0}.reader-app .reader-rendered-case .interactive{cursor:default}.reader-app .reader-rendered-case .feedback{background:#f6f9f4;color:inherit}.reader-app .table-wrap{max-width:100%;overflow-x:auto}.reader-app .reader-answer-details{margin-top:18px}.reader-app .reader-answer-details>summary{position:relative}.reader-app .reader-task dl>div{display:grid;grid-template-columns:minmax(90px,1fr) minmax(0,2fr);gap:12px;border-bottom:1px solid #e7ece6;padding:8px 0}.reader-app .reader-task dd{margin:0}.reader-app .reader-b1-solutions .n1-paper,.reader-app .reader-b1-solutions .cmp-paper{margin-top:28px}.reader-app .reader-b1-guided .reader-choice-list{display:flex;gap:8px 22px;flex-wrap:wrap;list-style-type:disc}.reader-app .reader-b1-guided .reader-choice-list li{margin:0}.reader-app .reader-block table td,.reader-app .reader-block table th{vertical-align:top}.reader-app .reader-block .b1-profile-grid{margin:12px 0}@media(max-width:760px){.reader-task h4{font-size:17px}.reader-app .reader-task dl>div{grid-template-columns:minmax(0,1fr)}.reader-app .reader-task dd{padding-left:12px}.reader-app .reader-block table{font-size:14px}.reader-section details{padding:12px}.reader-app .reader-rendered-case>section{padding:14px}}@media print{.reader-model,.reader-answer-details{border:0;padding:0}.reader-task{break-inside:avoid}}