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#00000080}.header-content{align-items:center;gap:40px;max-width:1200px;margin:0 auto;padding:0 2rem;display:flex}.site-logo{align-items:center;text-decoration:none;display:flex}.nav-menus{flex-wrap:wrap;align-items:center;gap:15px;display:flex}.nav-menus *{transition:color .3s;color:#e0e0e0!important}.nav-menus a:hover,.nav-menus summary:hover{color:#d4af37!important}.nav-menus ul,.nav-menus div[class*=dropdown]{background-color:#161616!important;border:1px solid #d4af374d!important;box-shadow:0 8px 20px #000000b3!important}.nav-direct-link{background-color:#0000!important;border:1px solid #d4af374d!important;justify-content:center!important;align-items:center!important;padding:8px 15px!important;font-size:1rem!important;font-weight:400!important;text-decoration:none!important;transition:all 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#d4af3766}.classroom-hero{text-align:center;margin-bottom:3rem}.hero-tag{color:#d4af37;letter-spacing:1px;background:#d4af3726;border:1px solid #d4af374d;border-radius:20px;margin-bottom:1.5rem;padding:6px 16px;font-size:.85rem;font-weight:700;display:inline-block}.classroom-hero h1{letter-spacing:2px;margin:0 0 1rem;font-size:2.8rem;line-height:1.3}.hero-desc{color:#aaa;font-size:1.1rem;line-height:1.6}.divider-large{background:linear-gradient(90deg,#0000,#d4af374d,#0000);width:100%;height:1px;margin:4rem 0}.classroom-layout{align-items:flex-start;gap:3rem;display:flex;position:relative}.sticky-sidebar{background:linear-gradient(145deg,#121212,#181818);border:1px solid #d4af3733;border-radius:12px;flex-shrink:0;width:250px;padding:1.5rem;position:sticky;top:100px;box-shadow:0 4px 15px #00000080}.toc-title{border-bottom:1px dashed #d4af3766;margin:0 0 1rem;padding-bottom:10px;font-size:1.2rem}.toc-menu ul{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.toc-link{color:#aaa;border-left:3px solid #0000;border-radius:6px;padding:10px 12px;font-size:1rem;text-decoration:none;transition:all .3s;display:block}.toc-link:hover{color:#d4af37;background:#d4af370d}.toc-link.active{color:#111;background:linear-gradient(135deg,#d4af37,#b8860b);border-left-color:#fff2cd;font-weight:700;box-shadow:0 2px 10px #d4af374d}.classroom-content{flex-grow:1;min-width:0;max-width:850px}.article-section{margin-bottom:2rem}.article-title{letter-spacing:1.5px;margin-bottom:2rem;font-size:1.8rem}.article-intro{background:#d4af370d;border-left:4px solid #d4af37;border-radius:0 8px 8px 0;margin-bottom:2.5rem;padding:1.5rem}.article-intro p{color:#ccc;margin:0 0 10px;font-size:1.05rem;line-height:1.7}.article-intro p:last-child{margin-bottom:0}.article-conclusion{background:linear-gradient(145deg,#1a1a1a,#1f1f1f);border:1px solid #d4af374d;border-radius:12px;margin-top:3rem;padding:2rem;box-shadow:0 10px 20px #0000004d}.article-conclusion p{color:#e0e0e0;margin:0;font-size:1.05rem;line-height:1.8}.q-list{flex-direction:column;gap:2.5rem;display:flex}.q-card{background:#121212;border:1px solid #d4af3726;border-radius:16px;padding:2.5rem;position:relative;overflow:hidden;box-shadow:0 10px 30px #00000080}.q-card:before{content:"";background:linear-gradient(#d4af37,#0000);width:4px;height:100%;position:absolute;top:0;left:0}.q-header{align-items:center;gap:15px;margin-bottom:1.5rem;display:flex}.q-number-text{color:#d4af3780;white-space:nowrap;font-size:1.5rem;font-weight:700}.q-header h3{color:#e5c158;letter-spacing:1px;margin:0;font-size:1.35rem;line-height:1.4}.q-thought{color:#999;gap:12px;margin-bottom:1.5rem;font-size:1rem;line-height:1.7;display:flex}.quote-icon{color:#d4af3799;font-family:Georgia,serif;font-size:1.8rem;line-height:1}.q-thought p{white-space:pre-wrap;margin:0;padding-top:3px}.q-answer{background:linear-gradient(145deg,#161616,#1a1a1a);border:1px solid #d4af3733;border-radius:12px;padding:1.8rem;position:relative}.answer-badge{color:#111;background:linear-gradient(135deg,#d4af37,#b8860b);border-radius:6px;padding:4px 12px;font-size:.85rem;font-weight:700;position:absolute;top:-12px;left:20px;box-shadow:0 4px 10px #00000080}.q-answer p{color:#e0e0e0;white-space:pre-wrap;margin:0;font-size:1.05rem;line-height:1.8}.classroom-cta{text-align:center;background:#d4af370d;border:1px solid #d4af3733;border-radius:16px;margin-top:4rem;padding:3rem 2rem}.classroom-cta h3{margin:0 0 1rem;font-size:1.8rem}.classroom-cta p{color:#aaa;margin-bottom:2rem}.glossary-container{flex-direction:column;gap:3rem;display:flex}.category-title{border-bottom:1px dashed #d4af3766;margin-bottom:1.2rem;padding-bottom:10px;font-size:1.4rem;display:inline-block}.glossary-table-wrap{background:linear-gradient(145deg,#121212,#181818);border:1px solid #d4af374d;border-radius:12px;overflow:auto hidden;box-shadow:0 4px 15px #00000080}.glossary-table{border-collapse:collapse;width:100%;min-width:500px}.glossary-table th,.glossary-table td{border-bottom:1px solid #ffffff1a}.glossary-table tr:last-child td{border-bottom:none}.glossary-table th{color:#d4af37;letter-spacing:1px;text-align:left;background-color:#0a0a0a;border-bottom:2px solid #d4af3766;padding:16px 20px;font-size:1.1rem}.glossary-table .term-col{color:#e5c158;text-align:left;vertical-align:top;background:#d4af370d;border-right:1px solid #ffffff0d;padding:16px 20px;font-size:1.1rem;font-weight:700}.glossary-table .meaning-col{text-align:left;color:#ccc;vertical-align:top;padding:16px 20px;line-height:1.7}@media (width<=900px){.classroom-layout{flex-direction:column;gap:2rem}.sticky-sidebar{width:100%;margin-bottom:1rem;position:relative;top:0}.toc-menu ul{flex-flow:wrap}.toc-link{border-bottom:3px solid #0000;border-left:none}.toc-link.active{border-bottom-color:#fff2cd;border-left-color:#0000}}