.study-card{display:flex!important;flex-direction:column}.lesson-link{margin-top:auto!important}.lesson-explanation{margin-top:14px;padding-top:14px;border-top:1px solid #e5ece8}.lesson-explanation h3{margin:12px 0 5px;color:#34584e;font-size:12px}.lesson-check{margin-top:14px;padding:12px 14px;border-radius:10px;color:#6a552d;background:#fff6e5;font-size:12px;line-height:1.65}.lesson-check strong{display:block;margin-bottom:3px;color:#a06b20}.lesson-practice{margin-top:22px;padding:30px;border:1px solid #dce6e0;border-radius:20px;background:#fff}.practice-heading{margin-bottom:18px}.practice-heading span{color:#b57925;font-size:10px;font-weight:900;letter-spacing:.12em}.practice-heading h2{margin:5px 0}.practice-heading p{margin:0;color:#697e77;font-size:13px}.practice-question{display:grid;grid-template-columns:42px 1fr;gap:15px;padding:20px 0;border-top:1px solid #e4ebe7}.practice-no{display:grid;width:36px;height:36px;place-items:center;border-radius:10px;color:#fff;background:#174f45;font-size:11px;font-weight:900}.practice-question h3{margin:4px 0 12px;font-size:15px;line-height:1.65}.practice-options{display:grid;grid-template-columns:1fr 1fr;gap:7px 26px;margin:0;padding-left:22px;color:#536a62;font-size:13px;line-height:1.55}.practice-question details{margin-top:14px;padding:12px 15px;border-radius:10px;background:#f1f6f3}.practice-question summary{cursor:pointer;color:#246655;font-size:12px;font-weight:800}.practice-question details p{margin:8px 0 0;font-size:12px;line-height:1.6}@media(max-width:600px){.practice-options{grid-template-columns:1fr}.lesson-practice{padding:20px}.practice-question{grid-template-columns:1fr}}
.study-page{color:#16332d}.study-heading{display:flex;align-items:center;justify-content:space-between;min-height:170px;padding:34px 40px;border-radius:26px;background:linear-gradient(135deg,#fff 0%,#f3f8f4 65%,#fff6e6 100%);box-shadow:0 12px 34px rgba(22,51,45,.07)}.study-eyebrow{margin:0 0 9px;color:#bc7a21;font-size:11px;font-weight:900;letter-spacing:.17em}.study-heading h1{margin:0;font-size:38px;letter-spacing:-.04em}.study-heading p:last-child{max-width:650px;margin:12px 0 0;color:#6b7e78}.study-heading-stat{display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:130px;min-height:100px;border-radius:20px;color:#fff;background:#174f45}.study-heading-stat strong{font-size:32px}.study-heading-stat span{color:#cae0d9;font-size:12px}
.study-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:28px 0 20px}.study-tab{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:9px;min-height:66px;padding:13px 14px;border:1px solid #dce6e0;border-radius:15px;color:#29483f;background:#fff;text-decoration:none;transition:.18s ease}.study-tab:hover{transform:translateY(-2px);border-color:#9db8ad;box-shadow:0 8px 20px rgba(22,51,45,.09)}.study-tab.active{color:#fff;border-color:#174f45;background:#174f45;box-shadow:0 10px 25px rgba(23,79,69,.2)}.study-tab .tab-code{display:grid;width:30px;height:30px;place-items:center;border-radius:9px;color:#a56a1f;background:#fff2d9;font-size:11px;font-weight:900}.study-tab.active .tab-code{color:#174f45;background:#f4c66a}.study-tab .tab-name{font-size:12px;font-weight:800;line-height:1.35}.tab-arrow{font-size:17px}.study-panel-heading{display:flex;align-items:flex-end;justify-content:space-between;margin:28px 2px 16px}.study-panel-heading span{color:#71847d;font-size:11px}.study-panel-heading h2{margin:4px 0 0;font-size:25px}.study-panel-heading p{margin:0;color:#71847d;font-size:12px}
.study-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.study-card{overflow:hidden;padding:25px;border:1px solid #dce6e0;border-radius:21px;background:#fff;box-shadow:0 10px 28px rgba(22,51,45,.055)}.study-card-top{display:flex;align-items:center;justify-content:space-between}.module-number{color:#a56a1f;font-size:10px;font-weight:900;letter-spacing:.13em}.importance{color:#d89b2b;font-size:13px;letter-spacing:2px}.study-card h3{margin:10px 0 8px;font-size:21px}.module-summary{min-height:44px;margin:0 0 18px;color:#647a73;font-size:13px;line-height:1.65}.key-points{padding:18px;border-radius:15px;background:#f4f8f5}.key-points h4{margin:0 0 10px;color:#174f45;font-size:12px}.key-points ul{margin:0;padding-left:20px}.key-points li{margin:7px 0;color:#344e46;font-size:13px;line-height:1.6}.key-points li::marker{color:#d39832}.study-note{display:grid;grid-template-columns:72px 1fr;gap:8px;margin-top:12px;padding:12px 14px;border-radius:12px;font-size:12px;line-height:1.55}.study-note strong{font-size:11px}.study-note.memory{color:#2d5a4d;background:#eaf5ef}.study-note.warning{color:#765526;background:#fff5df}.study-empty{padding:42px;border:1px dashed #b9cac3;border-radius:18px;text-align:center;color:#6b7e78;background:#fff}
@media(max-width:900px){.study-tabs{grid-template-columns:repeat(2,minmax(0,1fr))}.study-grid{grid-template-columns:1fr}}@media(max-width:600px){.study-heading{align-items:flex-start;flex-direction:column;gap:22px;padding:28px 24px}.study-heading h1{font-size:31px}.study-heading-stat{align-items:flex-start;width:100%;min-height:auto;padding:14px 18px}.study-tabs{display:flex;overflow-x:auto;padding-bottom:5px}.study-tab{flex:0 0 230px}.study-panel-heading{align-items:flex-start;flex-direction:column;gap:8px}.study-card{padding:20px}}
.lesson-link{display:flex;align-items:center;justify-content:space-between;margin:18px -25px -25px;padding:16px 25px;color:#fff;background:#174f45;text-decoration:none;font-size:13px;font-weight:800}.lesson-link:hover{background:#216a5d}.lesson-link span{font-size:18px}.lesson-page{color:#17372f}.lesson-back{display:inline-block;margin:4px 0 18px;color:#56736a;text-decoration:none;font-size:13px}.lesson-hero{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:42px;border-radius:26px;color:#fff;background:linear-gradient(135deg,#153f37,#216a5d)}.lesson-hero h1{margin:4px 0 12px;font-size:40px}.lesson-hero p:last-child{max-width:720px;margin:0;color:#d5e6e0;line-height:1.75}.lesson-stars{display:flex;flex-direction:column;min-width:145px;color:#f2c35d;font-size:20px;letter-spacing:2px;text-align:center}.lesson-stars small{margin-top:6px;color:#c9ddd7;font-size:10px;letter-spacing:.08em}.lesson-intro{margin:22px 0;padding:27px 30px;border:1px solid #e2eae6;border-radius:19px;background:#fff}.lesson-intro span,.lesson-section span,.lesson-review span{color:#b57925;font-size:10px;font-weight:900;letter-spacing:.12em}.lesson-intro h2{margin:7px 0 9px;font-size:22px}.lesson-intro p{margin:0;color:#60776f;line-height:1.8}.lesson-sections{display:grid;gap:14px}.lesson-section{display:grid;grid-template-columns:62px 1fr;gap:18px;padding:27px 30px;border:1px solid #dce6e0;border-radius:19px;background:#fff}.lesson-section-number{display:grid;width:52px;height:52px;place-items:center;border-radius:15px;color:#174f45;background:#e8f3ee;font-size:17px;font-weight:900}.lesson-section h2{margin:7px 0 10px;font-size:19px;line-height:1.55}.lesson-section p{margin:0;color:#657a73;font-size:13px;line-height:1.75}.lesson-review{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px}.lesson-review section{padding:25px;border-radius:18px;background:#eaf5ef}.lesson-review section.trap{background:#fff2d8}.lesson-review h2{margin:6px 0 8px;font-size:19px}.lesson-review p{margin:0;line-height:1.7}.lesson-actions{display:flex;gap:10px;margin-top:24px}.lesson-actions a{padding:14px 20px;border-radius:12px;color:#fff;background:#174f45;text-decoration:none;font-size:13px;font-weight:800}.lesson-actions a.secondary{color:#31574c;background:#eaf1ed}@media(max-width:900px){.lesson-review{grid-template-columns:1fr}}@media(max-width:600px){.lesson-hero{align-items:flex-start;flex-direction:column;padding:28px 24px}.lesson-hero h1{font-size:30px}.lesson-stars{text-align:left}.lesson-section{grid-template-columns:1fr;padding:23px}.lesson-actions{flex-direction:column}.lesson-link{margin-right:-20px;margin-left:-20px}}