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2px #0006;--shadow-md:0 4px 6px #0006;--shadow-lg:0 10px 15px #00000080;--shadow-xl:0 24px 56px #0009}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:clip}body{font-family:var(--font-main);background:var(--bg);color:var(--text);min-height:100vh;line-height:1.55;overflow-x:clip}body.quiz-protection-active,body.quiz-protection-active *{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}h1,h2,h3,h4,h5,h6{font-family:var(--font-serif);color:var(--text);letter-spacing:0;margin-bottom:var(--space-md);text-wrap:balance;overflow-wrap:break-word;line-height:1.15}h1{font-size:clamp(2rem,4.5vw,3.5rem);font-weight:600}h2{font-size:clamp(1.5rem,2.5vw,2.25rem);font-weight:600}h3{font-size:1.25rem;font-weight:600}h4{font-size:1.05rem;font-weight:600}a{color:var(--primary);transition:color 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.875rem;font-size:.8rem}.badge{border-radius:var(--radius-full);align-items:center;padding:.2rem .6rem;font-size:.75rem;font-weight:600;display:inline-flex}.badge-primary{color:var(--primary-light);background:#4338ca1f}.badge-success{color:#34d399;background:#10b9811f}.badge-warning{color:#fbbf24;background:#f59e0b1f}.badge-danger{color:#f87171;background:#ef44441f}:root .badge-primary{background:var(--primary-100);color:var(--primary-dark)}:root .badge-success{color:#065f46;background:#d1fae5}:root .badge-warning{color:#92400e;background:#fef3c7}:root .badge-danger{color:#991b1b;background:#fee2e2}[data-theme=dark] .badge-primary{color:#dbeafe;background:#818cf833}[data-theme=dark] .badge-success{color:#a7f3d0;background:#10b9812e}[data-theme=dark] .badge-warning{color:#fde68a;background:#f59e0b33}[data-theme=dark] .badge-danger{color:#fecaca;background:#ef444433}.section-header{margin-bottom:var(--space-2xl)}.section-label{text-transform:uppercase;letter-spacing:0;color:var(--primary);margin-bottom:var(--space-sm);font-size:.8rem;font-weight:700;display:inline-block}.section-title{color:var(--text);font-size:2rem;font-weight:800;line-height:1.2}.section-subtitle{color:var(--text-secondary);margin-top:var(--space-sm);font-size:1.1rem}.grid-2{gap:var(--space-lg);grid-template-columns:repeat(2,1fr);display:grid}.grid-3{gap:var(--space-lg);grid-template-columns:repeat(3,1fr);display:grid}.grid-4{gap:var(--space-lg);grid-template-columns:repeat(4,1fr);display:grid}.ad-slot{display:none}.ad-slot[data-enabled=true]{background:var(--bg-tertiary);border:1px dashed var(--border);border-radius:var(--radius-md);color:var(--text-muted);justify-content:center;align-items:center;min-height:90px;font-size:.75rem;display:flex;overflow:hidden}[data-theme=dark] .ad-slot[data-enabled=true]{color:var(--text-light);background:#1b2638;border-color:#334155}.ad-banner{min-height:90px;margin:var(--space-lg) 0}.ad-sidebar{min-height:250px}.ad-in-content{min-height:250px;margin:var(--space-xl) 0}.breadcrumb{align-items:center;gap:var(--space-sm);color:var(--text-muted);padding:var(--space-md) 0;font-size:.85rem;display:flex}.breadcrumb a{color:var(--text-secondary)}.breadcrumb a:hover{color:var(--primary)}.breadcrumb-sep{color:var(--border)}@media (max-width:1024px){.page-layout{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.grid-3,.grid-2{grid-template-columns:1fr}.section-title{font-size:1.5rem}.container{padding:0 var(--space-md)}.section-subtitle{font-size:1rem}.btn{white-space:normal;text-align:center}}@media (max-width:480px){.grid-4{grid-template-columns:1fr}.btn-lg{justify-content:center;width:100%}.container{padding:0 var(--space-sm)}}
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3px;right:1px;transform:perspective(28px)rotateY(-13deg)skewY(3deg)}.Header-module__lnUIdW__logoPageLeft:before,.Header-module__lnUIdW__logoPageRight:before,.Header-module__lnUIdW__logoPageLeft:after,.Header-module__lnUIdW__logoPageRight:after{content:"";background:#2563eb61;border-radius:99px;height:1px;position:absolute;left:3px;right:3px}.Header-module__lnUIdW__logoPageLeft:before,.Header-module__lnUIdW__logoPageRight:before{top:5px}.Header-module__lnUIdW__logoPageLeft:after,.Header-module__lnUIdW__logoPageRight:after{top:9px}.Header-module__lnUIdW__logoSpark{background:#5eead4;border-radius:999px;width:5px;height:5px;animation:2.8s ease-in-out infinite Header-module__lnUIdW__logoSignal;position:absolute;top:7px;right:7px;box-shadow:0 0 0 4px #5eead42e}.Header-module__lnUIdW__logoText{color:var(--text);letter-spacing:0;white-space:nowrap;font-size:1.28rem;font-weight:900}.Header-module__lnUIdW__logoAccent{background:linear-gradient(135deg,#2563eb,#0891b2 58%,#4f46e5);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.Header-module__lnUIdW__nav{align-items:center;gap:var(--space-xs);display:flex}.Header-module__lnUIdW__navItem{position:relative}.Header-module__lnUIdW__navLinkRow{align-items:center;display:flex}.Header-module__lnUIdW__navLink{color:var(--text-secondary);border-radius:var(--radius-sm);transition:all var(--transition-fast);padding:.5rem .75rem;font-size:.9rem;font-weight:500;text-decoration:none;display:block}.Header-module__lnUIdW__navLink:hover{color:var(--primary);background:var(--primary-50)}[data-theme=dark] .Header-module__lnUIdW__navLink{color:var(--text-secondary)}[data-theme=dark] .Header-module__lnUIdW__navLink:hover{color:#e0e7ff;background:#818cf829}.Header-module__lnUIdW__submenuToggle{color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:none;padding:.5rem;font-size:.9rem;display:none}.Header-module__lnUIdW__submenuToggle:hover{background:var(--primary-50);color:var(--primary)}[data-theme=dark] .Header-module__lnUIdW__submenuToggle:hover{color:#e0e7ff;background:#818cf829}.Header-module__lnUIdW__dropdown{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);min-width:200px;box-shadow:var(--shadow-lg);padding:var(--space-sm);z-index:100;animation:.2s Header-module__lnUIdW__fadeInUp;position:absolute;top:100%;left:0}.Header-module__lnUIdW__dropdownLink{color:var(--text-secondary);border-radius:var(--radius-sm);transition:all var(--transition-fast);padding:.5rem .75rem;font-size:.85rem;text-decoration:none;display:block}.Header-module__lnUIdW__dropdownLink:hover{background:var(--primary-50);color:var(--primary)}[data-theme=dark] .Header-module__lnUIdW__dropdown{background:#111827;border-color:#334155}[data-theme=dark] 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var(--transition-fast);border-radius:2px}.Header-module__lnUIdW__barOpen:first-child{transform:rotate(45deg)translate(5px,5px)}.Header-module__lnUIdW__barOpen:nth-child(2){opacity:0}.Header-module__lnUIdW__barOpen:nth-child(3){transform:rotate(-45deg)translate(5px,-5px)}@keyframes Header-module__lnUIdW__logoSignal{0%,to{opacity:.65;transform:scale(.85)}50%{opacity:1;transform:scale(1.18)}}@media (max-width:1024px){.Header-module__lnUIdW__hamburger{display:flex}.Header-module__lnUIdW__nav{top:var(--header-height);background:var(--bg);padding:var(--space-xl);gap:var(--space-sm);transition:transform var(--transition-base);z-index:999;flex-direction:column;position:fixed;bottom:0;left:0;right:0;overflow-y:auto;transform:translate(100%)}.Header-module__lnUIdW__navOpen{transform:translate(0)}.Header-module__lnUIdW__navItem{width:100%}.Header-module__lnUIdW__navLinkRow{justify-content:space-between;width:100%}.Header-module__lnUIdW__navLink{padding:.75rem;font-size:1.1rem}.Header-module__lnUIdW__submenuToggle{justify-content:center;align-items:center;display:inline-flex}.Header-module__lnUIdW__dropdown{box-shadow:none;padding:0 0 0 var(--space-lg);border:none;min-width:0;position:static}.Header-module__lnUIdW__dropdownLink{padding-left:0}.Header-module__lnUIdW__ctaBtn{display:none}}@media (max-width:640px){.Header-module__lnUIdW__inner{padding:0 var(--space-md);gap:var(--space-sm)}.Header-module__lnUIdW__actions{gap:var(--space-xs)}.Header-module__lnUIdW__logoMark{border-radius:13px;flex-basis:36px;width:36px;height:36px}.Header-module__lnUIdW__logoBook{width:23px;height:20px}.Header-module__lnUIdW__logoText{font-size:1.05rem}.Header-module__lnUIdW__languageToggle{padding:.32rem .5rem;font-size:.78rem}.Header-module__lnUIdW__authBtn{display:none}}@media (max-width:380px){.Header-module__lnUIdW__logoText{font-size:.95rem}.Header-module__lnUIdW__logo{gap:.5rem}}
.Footer-module__3hUVsW__footer{background:var(--bg-secondary);border-top:1px solid var(--border);margin-top:var(--space-3xl)}.Footer-module__3hUVsW__inner{max-width:var(--max-width);padding:var(--space-3xl) var(--space-lg) var(--space-xl);margin:0 auto}.Footer-module__3hUVsW__top{gap:var(--space-2xl);margin-bottom:var(--space-2xl);grid-template-columns:1.5fr 1fr 1fr 1fr;display:grid}.Footer-module__3hUVsW__brand{max-width:280px}.Footer-module__3hUVsW__logo{align-items:center;gap:var(--space-sm);margin-bottom:var(--space-md);text-decoration:none;display:flex}.Footer-module__3hUVsW__logoIcon{background:radial-gradient(circle at 28% 22%,#ffffff57,#0000 28%),linear-gradient(145deg,#0f172a,#2563eb 55%,#0891b2);border-radius:10px;flex:0 0 30px;width:30px;height:30px;font-size:1.4rem;position:relative;box-shadow:0 10px 22px #2563eb2e}.Footer-module__3hUVsW__logoIcon span,.Footer-module__3hUVsW__logoIcon:before{content:"";background:linear-gradient(#fff,#eaf6ff);border-radius:4px 2px 3px 4px;width:9px;height:13px;position:absolute;top:8px}.Footer-module__3hUVsW__logoIcon span{left:6px;transform:skewY(-5deg)}.Footer-module__3hUVsW__logoIcon:before{border-radius:2px 4px 4px 3px;right:6px;transform:skewY(5deg)}.Footer-module__3hUVsW__logoText{color:var(--text);font-size:1.15rem;font-weight:800}.Footer-module__3hUVsW__tagline{color:var(--text-muted);font-size:.85rem;line-height:1.6}.Footer-module__3hUVsW__columnTitle{text-transform:uppercase;letter-spacing:.08em;color:var(--text);margin-bottom:var(--space-md);font-size:.8rem;font-weight:700}.Footer-module__3hUVsW__columnList{gap:var(--space-sm);flex-direction:column;list-style:none;display:flex}.Footer-module__3hUVsW__link{color:var(--text-secondary);transition:color var(--transition-fast);font-size:.875rem;text-decoration:none}.Footer-module__3hUVsW__link:hover{color:var(--primary)}.Footer-module__3hUVsW__bottom{border-top:1px solid var(--border);padding-top:var(--space-xl);color:var(--text-muted);justify-content:space-between;font-size:.8rem;display:flex}.Footer-module__3hUVsW__disclaimer{font-style:italic}@media (max-width:768px){.Footer-module__3hUVsW__top{gap:var(--space-xl);grid-template-columns:1fr 1fr}.Footer-module__3hUVsW__brand{grid-column:1/-1;max-width:100%}.Footer-module__3hUVsW__bottom{gap:var(--space-sm);text-align:center;flex-direction:column}}@media (max-width:480px){.Footer-module__3hUVsW__top{grid-template-columns:1fr}}