:root{--color-sand: #F1F5F9;--color-sand-dark: #94A3B8;--color-wine: #4F46E5;--color-wine-dark: #4338CA;--color-ink: #0F172A;--color-ink-light: #334155;--color-muted: #64748B;--color-border: #E2E8F0;--color-bg: #F8F9FA;--color-surface: #FFFFFF;--color-accent-light: #EEF2FF;--color-header-bg: #1E293B;--font-heading: "Libre Baskerville", Georgia, serif;--font-body: "Libre Franklin", system-ui, sans-serif;--size-xs: .75rem;--size-sm: .875rem;--size-base: 1rem;--size-lg: 1.125rem;--size-xl: 1.25rem;--size-2xl: 1.5rem;--size-3xl: 1.875rem;--size-4xl: 2.25rem;--radius-sm: .375rem;--radius-md: .625rem;--radius-lg: 1.25rem;--radius-xl: 2rem;--radius-pill: 9999px;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-12: 3rem;--space-16: 4rem;--content-width: 72rem;--prose-width: 42rem}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:100%;scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-body);font-size:var(--size-base);line-height:1.7;color:var(--color-ink);background-color:var(--color-bg);min-height:100dvh;display:flex;flex-direction:column}img,svg{display:block;max-width:100%}a{color:var(--color-wine);text-decoration:underline;text-underline-offset:3px}a:hover{color:var(--color-wine-dark)}.container{width:min(var(--content-width),100% - var(--space-8));margin-inline:auto}main{flex:1}.site-header{background-color:var(--color-header-bg);border-bottom:3px solid var(--color-wine);padding-block:var(--space-5);position:relative;z-index:100}.site-header 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span{background-color:var(--color-sand-dark)}.nav-list{display:flex;align-items:center;gap:var(--space-1);list-style:none;padding:0;margin:0}.nav-item{position:relative}.has-dropdown:after{content:"";position:absolute;top:100%;left:0;width:100%;height:var(--space-2)}.nav-link{display:flex;align-items:center;gap:var(--space-1);color:var(--color-sand);text-decoration:none;font-size:var(--size-sm);font-weight:500;padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);transition:background-color .15s;white-space:nowrap}.nav-link:hover,.nav-link.is-active{background-color:var(--color-wine);color:var(--color-sand)}.has-dropdown>.nav-link:after{content:"";display:inline-block;width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid currentColor;opacity:.7;transition:transform .2s}.has-dropdown:hover>.nav-link:after,.has-dropdown:focus-within>.nav-link:after{transform:rotate(180deg)}.nav-dropdown{position:absolute;top:calc(100% + var(--space-2));left:0;min-width:16rem;background-color:var(--color-ink);border:1px solid var(--color-wine);border-radius:var(--radius-lg);padding:var(--space-2) 0;list-style:none;margin:0;opacity:0;pointer-events:none;transform:translateY(-6px);transition:opacity .15s,transform .15s;z-index:200}.has-dropdown:hover .nav-dropdown,.has-dropdown:focus-within .nav-dropdown{opacity:1;pointer-events:auto;transform:translateY(0)}.nav-dropdown a{display:block;color:var(--color-sand-dark);text-decoration:none;font-size:var(--size-sm);padding:var(--space-2) var(--space-4);transition:background-color .1s,color .1s}.nav-dropdown a:hover,.nav-dropdown a.is-active{background-color:var(--color-wine);color:var(--color-sand)}@media(max-width:767px){.nav-toggle{display:flex}.main-nav{display:none;position:absolute;top:100%;left:0;right:0;background-color:var(--color-ink);border-top:1px solid var(--color-wine);padding:var(--space-4) var(--space-4) var(--space-6)}.main-nav.is-open{display:block}.nav-list{flex-direction:column;align-items:stretch;gap:0}.nav-link{padding:var(--space-3) var(--space-4);border-radius:0;width:100%}.has-dropdown>.nav-link:after{display:none}.nav-dropdown{position:static;opacity:1;pointer-events:auto;transform:none;border:none;border-left:2px solid var(--color-wine);border-radius:0;background-color:transparent;padding:0;margin-left:var(--space-4)}.nav-dropdown a{padding:var(--space-2) var(--space-3);font-size:var(--size-xs);color:var(--color-muted)}.nav-dropdown a:hover,.nav-dropdown a.is-active{background-color:transparent;color:var(--color-sand)}}.site-footer{background-color:var(--color-ink);color:#94a3b8;font-size:var(--size-sm);padding-block:var(--space-8);margin-top:var(--space-16)}.site-footer .container{display:grid;gap:var(--space-4)}.footer-disclaimer{color:#94a3b8;font-size:var(--size-xs);line-height:1.6;max-width:60ch;border-left:2px solid var(--color-wine);padding-left:var(--space-3)}.footer-nav{display:flex;gap:var(--space-4);flex-wrap:wrap}.footer-nav a{color:var(--color-sand-dark);font-size:var(--size-xs);text-decoration:none}.footer-nav a:hover{color:var(--color-sand);text-decoration:underline}.footer-copyright{color:#94a3b8;font-size:var(--size-xs)}.breadcrumb{padding-block:var(--space-3);font-size:var(--size-sm);color:var(--color-muted)}.breadcrumb ol{display:flex;align-items:center;gap:var(--space-2);list-style:none;flex-wrap:wrap}.breadcrumb li+li:before{content:"›";color:var(--color-border)}.breadcrumb a{color:var(--color-muted);text-decoration:none}.breadcrumb a:hover{color:var(--color-wine)}.prose{max-width:var(--prose-width);padding-block:var(--space-8)}.prose h1{font-family:var(--font-heading);font-size:var(--size-3xl);font-weight:700;line-height:1.2;color:var(--color-ink);margin-bottom:var(--space-4)}.prose h2{font-family:var(--font-heading);font-size:var(--size-2xl);font-weight:700;line-height:1.3;color:var(--color-ink);margin-top:var(--space-12);margin-bottom:var(--space-4);padding-bottom:var(--space-2);border-bottom:2px solid var(--color-border)}.prose h3{font-family:var(--font-heading);font-size:var(--size-xl);font-weight:700;color:var(--color-ink-light);margin-top:var(--space-8);margin-bottom:var(--space-3)}.prose p{margin-bottom:var(--space-4);color:var(--color-ink-light);text-align:justify;text-justify:inter-word;hyphens:auto}.prose p:first-of-type{font-size:var(--size-lg);color:var(--color-ink)}.prose ul,.prose ol{margin-bottom:var(--space-4);padding-left:var(--space-6)}.prose li{margin-bottom:var(--space-2)}.prose strong{font-weight:700;color:var(--color-ink)}.prose blockquote{border-left:4px solid var(--color-wine);background-color:var(--color-accent-light);border-radius:0 var(--radius-lg) var(--radius-lg) 0;margin-block:var(--space-6);padding:var(--space-4) var(--space-6)}.prose blockquote p{margin-bottom:0;font-size:var(--size-sm);color:var(--color-ink-light)}.prose blockquote strong{color:var(--color-wine-dark)}.prose table{width:100%;border-collapse:collapse;margin-bottom:var(--space-6);font-size:var(--size-sm)}.prose th{background-color:var(--color-bg);text-align:left;padding:var(--space-2) var(--space-3);font-weight:600;border-bottom:2px solid var(--color-border)}.prose td{padding:var(--space-2) var(--space-3);border-bottom:1px solid var(--color-border)}.prose tbody tr:nth-child(2n) td{background-color:var(--color-bg)}.prose tr:hover td{background-color:#eef2ff}.content p,.article p{text-align:justify;text-justify:inter-word;hyphens:auto}@media(max-width:768px){.prose p,.content p,.article p{text-align:left}}.prob-card{background:var(--color-accent-light);border:1px solid rgba(79,70,229,.16);border-radius:var(--radius-lg);padding:var(--space-8);margin-block:2.5rem;display:flex;flex-direction:column;gap:1.75rem}.prob-card p{text-align:left;hyphens:none;margin:0}.prob-card-hd{display:flex;flex-direction:column;gap:var(--space-2)}.prob-card-tag{font-size:var(--size-xs);font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--color-wine)}.prob-card-title{font-family:var(--font-heading);font-size:var(--size-xl);font-weight:700;color:var(--color-ink);margin:0;line-height:1.25}.prob-formula-wrap{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-5) var(--space-6);overflow-x:auto}.prob-formula{display:flex;align-items:center;justify-content:center;gap:var(--space-4);flex-wrap:nowrap;font-family:var(--font-body);font-size:var(--size-lg);color:var(--color-ink)}.prob-f-term{font-family:var(--font-heading);font-weight:600;color:var(--color-wine);white-space:nowrap}.prob-f-eq{color:var(--color-muted)}.prob-f-frac{display:inline-flex;flex-direction:column;align-items:center;line-height:1.35;font-size:var(--size-base);white-space:nowrap}.prob-f-num{color:var(--color-ink)}.prob-f-bar{display:block;width:100%;min-width:5.5rem;height:1px;background:var(--color-ink-light);margin-block:3px}.prob-f-den{color:var(--color-ink-light)}.prob-f-result{font-family:var(--font-heading);font-size:var(--size-xl);font-weight:700;color:var(--color-ink);white-space:nowrap}.prob-stats{display:flex;align-items:center;justify-content:center;gap:var(--space-6);flex-wrap:wrap}.prob-stat-block{display:flex;flex-direction:column;align-items:center;gap:var(--space-1);text-align:center}.prob-stat-n{font-family:var(--font-heading);font-size:var(--size-2xl);font-weight:700;color:var(--color-ink);line-height:1.1;letter-spacing:-.02em}.prob-stat-block--hi .prob-stat-n{color:var(--color-wine)}.prob-stat-l{font-size:var(--size-xs);color:var(--color-muted);line-height:1.4}.prob-stat-mult{display:flex;flex-direction:column;align-items:center;gap:2px;color:var(--color-muted)}.prob-stat-mult-op{font-size:var(--size-xl);font-weight:600;color:var(--color-ink-light);line-height:1}.prob-stat-mult-note{font-size:var(--size-xs);color:var(--color-muted)}.prob-balls-wrap{display:flex;flex-direction:column;align-items:center;gap:var(--space-3)}.prob-balls-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:5px;width:fit-content}.prob-ball{width:16px;height:16px;border-radius:50%;background:#4f46e51a;border:1px solid rgba(79,70,229,.18)}.prob-ball--on{background:var(--color-wine);border-color:var(--color-wine-dark)}.prob-balls-key{display:flex;gap:var(--space-5);font-size:var(--size-xs);color:var(--color-muted);align-items:center}.prob-key-dot{display:inline-block;width:10px;height:10px;border-radius:50%;vertical-align:middle;margin-right:4px;flex-shrink:0}.prob-key-dot--on{background:var(--color-wine)}.prob-key-dot--off{background:#4f46e51a;border:1px solid rgba(79,70,229,.18)}.prob-card-note{font-size:var(--size-xs);color:#475569;border-top:1px solid rgba(79,70,229,.1);padding-top:var(--space-4)}@media(max-width:600px){.prob-card{padding:var(--space-5);gap:var(--space-5)}.prob-formula{font-size:var(--size-base);gap:var(--space-2)}.prob-f-bar{min-width:4.5rem}.prob-f-result{font-size:var(--size-lg)}.prob-stats{flex-direction:column;align-items:center;gap:var(--space-3)}.prob-stat-mult{flex-direction:row;gap:var(--space-2);align-items:baseline}.prob-stat-n{font-size:var(--size-xl)}.prob-ball{width:13px;height:13px}.prob-balls-grid{gap:4px}}.prob-ej-stack{display:flex;flex-direction:column;gap:var(--space-3)}.prob-ej-sep{width:100%;height:1px;background:#4f46e51f}.prob-f-term--ej{color:#7c3aed}.prob-f-combined{font-size:var(--size-base);color:var(--color-ink-light);white-space:nowrap}.prob-f-result--lg{font-size:var(--size-2xl);color:var(--color-wine)}.prob-ej-total{align-items:center}.prob-ej-fields{display:flex;flex-direction:row;gap:var(--space-6);flex-wrap:wrap}.prob-ej-field{display:flex;flex-direction:column;gap:var(--space-3)}.prob-ej-field-label{font-size:var(--size-sm);font-weight:600;color:var(--color-ink);line-height:1.4}.prob-ej-field-label em{font-style:normal;color:var(--color-muted);font-weight:400}.prob-balls-grid--10{grid-template-columns:repeat(10,1fr)}.prob-balls-grid--6{grid-template-columns:repeat(6,1fr)}.prob-ball--ej{background:#7c3aed;border-color:#5b21b6}.prob-key-dot--ej{display:inline-block;width:10px;height:10px;border-radius:50%;background:#7c3aed;border:1px solid #5B21B6;flex-shrink:0}.prob-ej-key{flex-wrap:wrap;gap:var(--space-3) var(--space-5)}@media(max-width:600px){.prob-ej-fields{flex-direction:column;gap:var(--space-4)}.prob-f-result--lg{font-size:var(--size-xl)}}.draw-steps{display:flex;flex-direction:row;align-items:stretch;gap:0}.draw-step{flex:1;display:flex;flex-direction:column;align-items:center;text-align:center;gap:var(--space-3);padding:var(--space-4) var(--space-3);background:#fff9;border:1px solid rgba(79,70,229,.12);border-radius:.5rem}.draw-step-head{display:flex;flex-direction:column;align-items:center;gap:var(--space-2)}.draw-step-badge{width:26px;height:26px;border-radius:50%;background:var(--color-wine);color:#fff;font-family:var(--font-heading);font-size:var(--size-sm);font-weight:700;display:flex;align-items:center;justify-content:center;line-height:1;flex-shrink:0}.draw-step-svg{width:36px;height:36px;color:#4f46e599}.draw-step-body{display:flex;flex-direction:column;gap:var(--space-1)}.draw-step-title{font-family:var(--font-heading);font-size:var(--size-sm);font-weight:700;color:var(--color-ink);margin:0;line-height:1.25}.draw-card .draw-step-desc{font-size:var(--size-xs);color:var(--color-ink-light);line-height:1.55;margin:0;text-align:center;hyphens:auto}.draw-connector{flex-shrink:0;align-self:center;display:flex;align-items:center;justify-content:center;width:1.75rem;color:#4f46e54d}.draw-connector svg{width:18px;height:18px}@media(max-width:640px){.draw-steps{flex-direction:column;gap:0}.draw-step{flex-direction:row;align-items:flex-start;text-align:left;gap:var(--space-4);padding:var(--space-3) var(--space-4)}.draw-step-head{flex-direction:row;align-items:center;gap:var(--space-2);flex-shrink:0}.draw-step-svg{width:28px;height:28px}.draw-card .draw-step-desc{text-align:left}.draw-connector{width:auto;height:1.25rem;align-self:auto;justify-content:center}.draw-connector svg{transform:rotate(90deg)}}.pc-groups{display:flex;flex-direction:column;gap:var(--space-2)}.pc-group{background:#fff9;border:1px solid rgba(79,70,229,.12);border-radius:.5rem;overflow:hidden}.pc-group-hd{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-2) var(--space-4);background:#4f46e50a;border-bottom:1px solid rgba(79,70,229,.08)}.pc-group--solo 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.5rem;border-radius:.25rem;font-size:var(--size-xs);font-weight:600;white-space:nowrap;flex-shrink:0}.pc-sz-pill--on{background:#7f1d1d14;color:var(--color-wine);border:1px solid rgba(127,29,29,.18)}.pc-sz-pill--off{background:#64748b14;color:var(--color-muted);border:1px solid rgba(100,116,139,.16)}.pc-sz-pill--xs{padding:.05rem .3rem;font-size:.65rem}.pc-jackpot-tag{font-size:var(--size-xs);font-weight:700;color:var(--color-wine);background:#7f1d1d12;padding:.1rem .45rem;border-radius:.2rem;white-space:nowrap}.pc-solo-note{font-size:var(--size-xs);color:var(--color-muted);font-style:italic}.pc-legend{display:flex;flex-wrap:wrap;gap:var(--space-2) var(--space-4);align-items:center}.pc-leg{display:flex;align-items:center;gap:var(--space-1);font-size:var(--size-xs);color:var(--color-muted)}.st-comparison{display:flex;flex-direction:row;align-items:flex-start;gap:var(--space-4)}.st-side{flex:1;display:flex;flex-direction:column;gap:var(--space-3);padding:var(--space-4);background:#fff9;border:1px solid rgba(79,70,229,.12);border-radius:.5rem}.st-side-label{font-family:var(--font-heading);font-size:var(--size-sm);font-weight:700;color:var(--color-ink);line-height:1.2}.st-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:4px;width:fit-content}.st-grid .prob-ball{width:13px;height:13px}.st-side-meta{display:flex;flex-direction:column;gap:2px}.st-count{font-family:var(--font-heading);font-size:var(--size-xl);font-weight:700;color:var(--color-ink);line-height:1.1}.prob-card .st-eq{font-size:var(--size-xs);color:var(--color-ink-light);line-height:1.45;text-align:left;hyphens:none;margin:0}.st-vs{flex-shrink:0;align-self:center;display:flex;align-items:center;justify-content:center;color:#4f46e54d}.st-vs svg{width:20px;height:20px}.st-chain{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-4);background:#4f46e50a;border:1px solid rgba(79,70,229,.1);border-radius:.5rem;font-size:var(--size-xs);color:var(--color-ink-light)}.st-chain-item{white-space:nowrap}.st-chain-sep{color:#4f46e573;font-weight:700;font-size:var(--size-sm)}.prob-card .st-formula-note{font-size:var(--size-xs);color:var(--color-muted);text-align:center;hyphens:none;margin-top:var(--space-2);margin-bottom:0}@media(max-width:560px){.st-comparison{flex-direction:column;gap:var(--space-3)}.st-vs{width:100%;height:1.25rem;align-self:auto;justify-content:center}.st-vs svg{transform:rotate(90deg)}.st-count{font-size:var(--size-lg)}}.mf-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-4);align-items:start}.mf-card{display:flex;flex-direction:column;background:#fff;border:1px solid rgba(79,70,229,.12);border-radius:.5rem;overflow:hidden}.mf-section{display:flex;flex-direction:column;gap:var(--space-2);padding:var(--space-4)}.mf-section--myth{background:#7f1d1d09;flex:0 0 auto}.mf-section--fact{flex:1}.mf-sep{height:1px;background:#4f46e51a;flex-shrink:0}.mf-badge{display:inline-flex;align-items:center;padding:.1rem .4rem;border-radius:.2rem;font-family:var(--font-heading);font-size:.62rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;white-space:nowrap;align-self:flex-start;flex-shrink:0}.mf-badge--myth{background:#7f1d1d14;color:var(--color-wine);border:1px solid rgba(127,29,29,.15)}.mf-badge--fact{background:#4f46e514;color:#4f46e5cc;border:1px solid rgba(79,70,229,.18)}.mf-text--myth{font-size:var(--size-sm);font-style:italic;font-weight:600;color:var(--color-ink);line-height:1.4}.mf-text{font-size:var(--size-sm);color:var(--color-ink-light);line-height:1.5}@media(max-width:640px){.mf-grid{grid-template-columns:1fr;gap:var(--space-3)}}.article-page{padding-block:var(--space-4)}.home-section{padding-block:clamp(4.5rem,7vw,6rem) 0}.home-section:last-child{padding-bottom:var(--space-16)}.home-section-heading{font-family:var(--font-heading);font-size:var(--size-2xl);font-weight:700;color:var(--color-ink);margin-bottom:var(--space-8)}.hub-section{margin-top:var(--space-16)}.hub-section-heading{font-family:var(--font-heading);font-size:var(--size-2xl);font-weight:700;color:var(--color-ink);margin-bottom:var(--space-6);display:flex;align-items:center;gap:var(--space-3)}.hub-section-heading:before{content:"";display:block;width:12px;height:12px;border-radius:50%;background:var(--color-wine);flex-shrink:0;align-self:center;box-shadow:0 0 0 4px #4f46e526}.hub-section-heading--sm{font-size:var(--size-xl);margin-bottom:var(--space-4)}.hero{background:radial-gradient(ellipse 42% 55% at 78% 52%,rgba(148,163,252,.16) 0%,transparent 48%),radial-gradient(ellipse 60% 74% at 78% 54%,rgba(79,70,229,.34) 0%,transparent 52%),radial-gradient(ellipse 90% 50% at 60% 115%,rgba(79,70,229,.28) 0%,transparent 58%),radial-gradient(ellipse 28% 32% at 80% 5%,rgba(139,92,246,.1) 0%,transparent 50%),linear-gradient(155deg,#070a10,#0c1326 36%,#121840 62%,#181a47);color:var(--color-sand);padding-block:clamp(4.5rem,10vw,7.5rem);position:relative;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background:radial-gradient(circle 30rem at 76% 48%,rgba(99,102,241,.15) 0%,transparent 52%),radial-gradient(circle 18rem at 12% 82%,rgba(79,70,229,.09) 0%,transparent 55%),radial-gradient(circle 1px at 50% 50%,rgba(148,163,184,.1) 0%,transparent 100%);background-size:auto,auto,26px 26px;pointer-events:none}.hero:after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;background:linear-gradient(90deg,transparent 0%,rgba(99,102,241,.9) 30%,rgba(139,92,246,.7) 70%,transparent 100%)}.hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-16);align-items:center}.hero-content{display:flex;flex-direction:column;align-items:flex-start;gap:0}.hero-badge{display:inline-flex;align-items:center;gap:var(--space-2);background:#4f46e533;border:1px solid rgba(165,180,252,.35);color:#a5b4fc;font-size:var(--size-xs);font-weight:600;letter-spacing:.07em;text-transform:uppercase;padding:var(--space-2) var(--space-5);border-radius:var(--radius-pill);margin-bottom:var(--space-6);backdrop-filter:blur(8px)}.hero-badge:before{content:"";width:6px;height:6px;border-radius:50%;background:#818cf8;flex-shrink:0}.hero-content h1{font-family:var(--font-heading);font-size:clamp(var(--size-3xl),5vw,3.75rem);font-weight:700;line-height:1.08;margin-bottom:var(--space-5);letter-spacing:-.03em;color:#f1f5f9}.hero-content p{font-size:var(--size-lg);color:#94a3b8;max-width:42ch;line-height:1.82;margin-bottom:var(--space-8)}.hero-cta-group{display:flex;gap:var(--space-4);flex-wrap:wrap;align-items:center}.btn-hero-primary{display:inline-flex;align-items:center;gap:var(--space-2);background:linear-gradient(135deg,#4f46e5,#6366f1,#818cf8);color:#fff;text-decoration:none;font-family:var(--font-body);font-size:var(--size-base);font-weight:700;padding:var(--space-4) var(--space-8);border-radius:var(--radius-pill);box-shadow:0 4px 20px #4f46e580,0 1px 4px #0000004d;transition:transform .22s cubic-bezier(.34,1.56,.64,1),box-shadow .22s ease;letter-spacing:.01em}.btn-hero-primary:hover{color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:0 8px 28px #4f46e599,0 2px 6px 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cubic-bezier(.4,0,.2,1)}.topic-card:hover{border-color:#4f46e54d;box-shadow:0 14px 36px #0f172a1a,0 0 0 3px #4f46e517;color:inherit;text-decoration:none;transform:translateY(-5px)}.topic-card-icon{display:flex;align-items:center;justify-content:center;width:3.5rem;height:3.5rem;border-radius:50%;background:var(--color-accent-light);color:var(--color-wine);margin-bottom:var(--space-2);flex-shrink:0;transition:background-color .32s cubic-bezier(.4,0,.2,1),color .32s cubic-bezier(.4,0,.2,1),box-shadow .32s cubic-bezier(.4,0,.2,1)}.topic-card:hover .topic-card-icon{background:var(--color-wine);color:#fff;box-shadow:0 4px 16px #4f46e559}.topic-card-title{font-family:var(--font-heading);font-size:var(--size-2xl);font-weight:700;color:var(--color-ink);line-height:1.2;transition:color .15s}.topic-card:hover .topic-card-title{color:var(--color-wine)}.topic-card-excerpt{font-size:var(--size-sm);color:var(--color-muted);line-height:1.65;flex:1}.topic-card-link{display:inline-flex;align-items:center;gap:.3em;font-size:var(--size-sm);font-weight:700;color:var(--color-wine);padding:var(--space-2) var(--space-5);border-radius:var(--radius-pill);background-color:var(--color-accent-light);border:1px solid rgba(79,70,229,.28);transition:background-color .25s cubic-bezier(.4,0,.2,1),color .25s cubic-bezier(.4,0,.2,1),border-color .25s cubic-bezier(.4,0,.2,1);letter-spacing:.01em}.topic-card:hover .topic-card-link{background-color:var(--color-wine);border-color:var(--color-wine);color:#fff}.why-section{border-top:1px solid var(--color-border);padding-top:var(--space-16)}.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-6);margin-block:var(--space-8)}.why-item{display:flex;gap:var(--space-4);align-items:flex-start;background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-6)}.why-item-icon{display:flex;align-items:center;justify-content:center;width:2.75rem;height:2.75rem;border-radius:50%;background:var(--color-accent-light);color:var(--color-wine);flex-shrink:0}.why-item-title{display:block;font-size:var(--size-base);font-weight:700;color:var(--color-ink);margin-bottom:var(--space-1)}.why-item-desc{font-size:var(--size-sm);color:var(--color-muted);line-height:1.6;margin:0}.why-footnote{font-size:var(--size-sm);color:var(--color-muted);max-width:60ch;line-height:1.7}@media(max-width:767px){.why-grid{grid-template-columns:1fr;gap:var(--space-4)}}.disclaimer-notice{background:linear-gradient(145deg,#FFFFFF 0%,var(--color-accent-light) 100%);border:1px solid rgba(226,232,240,.8);border-left:4px solid var(--color-wine);border-radius:var(--radius-lg);padding:var(--space-4) 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.2s}.subpage-card:hover{border-left-color:var(--color-wine);box-shadow:0 6px 20px #0f172a17,0 0 0 2px #4f46e51f;transform:translateY(-2px);text-decoration:none;color:inherit}.subpage-card-title{font-family:var(--font-heading);font-size:var(--size-lg);font-weight:700;color:var(--color-ink);margin-bottom:var(--space-2);transition:color .15s}.subpage-card:hover .subpage-card-title{color:var(--color-wine-dark)}.subpage-card-title:after{content:" →";color:var(--color-wine);opacity:0;font-family:var(--font-body);font-weight:400;transition:opacity .15s}.subpage-card:hover .subpage-card-title:after{opacity:1}.subpage-card-excerpt{font-size:var(--size-sm);color:var(--color-muted)}@media(max-width:900px){.hero-inner{grid-template-columns:1fr;gap:var(--space-8)}.hero-visual{display:none}.hero-content{align-items:center;text-align:center}.hero-content h1{font-size:clamp(var(--size-2xl),7vw,var(--size-3xl))}.hero-content p{margin-inline:auto}.hero-cta-group{justify-content:center}}@media(max-width:767px){.hero{padding-block:var(--space-12) var(--space-8)}.hero-content h1{font-size:var(--size-2xl)}.hero-content p{font-size:var(--size-base)}.topic-grid{padding-block:var(--space-8);gap:var(--space-4)}.hub-page{padding-block:var(--space-4)}.prose{padding-block:var(--space-6)}.prose h1{font-size:var(--size-2xl)}.prose h2{font-size:var(--size-xl);margin-top:var(--space-8)}.faq-section,.related-links,.disclaimer-notice{margin-block:var(--space-6)}.hub-section{margin-top:var(--space-8)}.subpage-grid{gap:var(--space-3)}.tool-card{padding:var(--space-6)}}