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.study-entry{display:flex;align-items:center;justify-content:space-between;gap:22px;background:#e9edde;border:1px solid #d7dfc6;border-radius:18px;padding:24px 28px;margin-bottom:38px}.study-entry .eyebrow{display:block;margin-bottom:10px}.study-entry h2{font-size:20px;margin:0 0 8px}.study-entry p{font-size:12px;margin:0}.study-entry .btn{flex-shrink:0}.study-hero{display:grid;grid-template-columns:1fr 270px;gap:40px;align-items:center;margin-bottom:32px}.study-summary{background:var(--green);border-radius:18px;color:white;padding:25px}.study-summary .eyebrow{color:var(--lime);font-size:10px}.study-summary strong{font-size:48px;letter-spacing:-2px;color:var(--lime)}.study-summary strong small{font-size:18px;letter-spacing:0;color:#bcccba}.study-summary p{font-size:11px;color:#d9e2cd;margin:7px 0 15px}.study-summary .progress{background:#496553}.study-summary .progress i{background:var(--lime)}.study-summary 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10px}.chapter-tabs>a{flex:1;min-width:100px;border:1px solid var(--line);border-radius:12px;padding:12px;text-decoration:none;font-size:12px;font-weight:600;background:var(--white);white-space:nowrap}.chapter-tabs>a span{font-size:10px;display:block;font-weight:400;margin-top:6px;color:var(--muted)}.chapter-tabs>a[aria-current]{background:var(--green);color:white;border-color:var(--green)}.chapter-tabs>a[aria-current] span{color:#cedac1}.learning-layout{display:grid;grid-template-columns:215px minmax(0,1fr);gap:28px;align-items:start}.lesson-toc{position:sticky;top:20px;padding:20px 0}.lesson-toc .eyebrow{font-size:10px;margin-bottom:13px}.lesson-toc h2{font-size:20px;margin-bottom:20px}.lesson-toc nav{margin:16px 0 22px}.lesson-toc nav>a{display:flex;align-items:baseline;gap:10px;font-size:11px;line-height:1.65;text-decoration:none;color:#64705d;padding:10px 8px;border-radius:7px}.lesson-toc nav>a:hover,.lesson-toc nav>a[aria-current]{background:#e6ebda;color:var(--green)}.lesson-toc 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#c6a261;border-radius:0 9px 9px 0;padding:15px 18px;margin:20px 0;font-size:12px;line-height:1.9;color:#7d663f}.concept-pitfall b{font-size:10px;letter-spacing:.04em}.concept-pitfall p{margin:6px 0 0}.concept-check{border:1px dashed #b7c6a0;border-radius:10px;margin:23px 0 20px;padding:14px 16px;background:#f3f6eb}.concept-check summary{font-size:12px;line-height:1.9;cursor:pointer}.concept-check summary span{display:inline-block;margin-right:9px;font-size:10px;font-weight:700;color:#71924d}.concept-check p{font-size:12px;line-height:1.9;margin:14px 0 2px;border-top:1px solid #d9e3c8;padding-top:12px}.concept-bottom{display:flex;align-items:center;justify-content:space-between;gap:15px;padding-top:6px}.concept-bottom .source{font-size:10px;line-height:1.8}.read-toggle{font-size:11px;flex-shrink:0;background:none}.read-toggle.is-read{background:#e2ebcf;color:#476631;border-color:#c5d5ac}.chapter-finish{background:#e7edda;border-radius:16px;padding:28px;margin-top:30px}.chapter-finish 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.concept-easy,.concept-walk,.concept-exam{padding:18px 22px;border-radius:14px;margin:20px 0;background:#f0f4e8}.concept-walk{background:#f6f4ee}.concept-exam{background:#edf4f2;border-left:3px solid #315b4b}.concept-easy h3,.concept-walk h3{font-size:1rem;margin:0 0 10px}.concept-walk li{margin:8px 0;line-height:1.8}.scope-notice p{line-height:1.8}.scope-notice .mini{display:inline-block;margin-top:10px}
