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4px}.lib-mock-fulltext-meta{color:var(--color-text-tertiary);font-size:10px;font-family:var(--font-mono)}.lib-topics-grid{gap:var(--space-3);grid-template-columns:1fr;display:grid}.lib-topic-card{justify-content:space-between;align-items:center;gap:var(--space-3);padding:var(--space-4);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text);font-size:var(--fs-sm);font-weight:var(--fw-semibold);transition:all var(--dur-fast) var(--ease-out);text-decoration:none;display:flex}.lib-topic-card:hover{border-color:var(--color-primary);color:var(--color-primary);background:var(--color-primary-soft);transform:translateY(-2px)}.lib-topic-arrow{color:var(--color-text-tertiary);transition:transform var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out)}.lib-topic-card:hover .lib-topic-arrow{color:var(--color-primary);transform:translate(2px)}.lib-faq{gap:var(--space-2);flex-direction:column;max-width:760px;margin:0 auto;display:flex}.lib-faq-item{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);overflow:hidden}.lib-faq-item[open]{border-color:var(--color-primary)}.lib-faq-q{justify-content:space-between;align-items:center;gap:var(--space-3);padding:var(--space-4);cursor:pointer;font-size:var(--fs-sm);font-weight:var(--fw-semibold);color:var(--color-text);list-style:none;display:flex}.lib-faq-q::-webkit-details-marker{display:none}.lib-faq-caret{color:var(--color-primary);transition:transform var(--dur-fast) var(--ease-out);flex-shrink:0}.lib-faq-item[open] .lib-faq-caret{transform:rotate(180deg)}.lib-faq-a{padding:0 var(--space-4) var(--space-4)}.lib-faq-a p{font-size:var(--fs-sm);color:var(--color-text-secondary);line-height:var(--lh-relaxed)}.lib-cta-section{padding-top:var(--space-12)}.lib-cta-card{background:var(--gradient-dark);border-radius:var(--radius-xl);padding:var(--space-12) var(--space-6);position:relative;overflow:hidden}.lib-cta-content{z-index:2;text-align:center;max-width:640px;margin:0 auto;position:relative}.lib-cta-title{font-size:var(--fs-3xl);font-weight:var(--fw-extrabold);color:#fff;letter-spacing:-.02em;line-height:var(--lh-tight);margin-bottom:var(--space-3)}.lib-cta-sub{font-size:var(--fs-md);color:#c2cec6;line-height:var(--lh-relaxed);margin-bottom:var(--space-6)}.lib-cta-actions{gap:var(--space-3);flex-wrap:wrap;justify-content:center;display:flex}.lib-cta-card .lib-btn-ghost{color:#fff;background:#ffffff0f;border-color:#ffffff2e}.lib-cta-card .lib-btn-ghost:hover{border-color:var(--color-primary);color:var(--color-primary);background:#ffffff1f}.lib-cta-art{pointer-events:none;position:absolute;inset:0}.lib-cta-ring{border:1px solid #05b34d33;border-radius:50%;width:480px;height:480px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.lib-cta-ring-2{border-color:#05b34d1f;width:720px;height:720px}.lib-cta-ring-3{border-color:#05b34d0f;width:960px;height:960px}@media (width>=640px){.lib-hero-title{font-size:var(--fs-5xl)}.lib-section-title{font-size:var(--fs-4xl)}.lib-feature-title{font-size:var(--fs-3xl)}.lib-stats{grid-template-columns:repeat(4,1fr)}.lib-topics-grid{grid-template-columns:repeat(2,1fr)}}@media (width>=768px){.lib-hero-inner{grid-template-columns:1.2fr 1fr;align-items:center}.lib-hero-visual{min-height:380px}.lib-feature-grid{gap:var(--space-12);grid-template-columns:1fr 1fr}.lib-feature-grid-rev .lib-feature-visual{order:-1}.lib-topics-grid{grid-template-columns:repeat(3,1fr)}.lib-cta-card{padding:var(--space-16) var(--space-8)}.lib-section{padding:var(--space-20) var(--space-6)}.lib-section-alt{padding-left:var(--space-6);padding-right:var(--space-6)}}@media (width>=1024px){.lib-topics-grid{grid-template-columns:repeat(4,1fr)}.lib-hero-visual{min-height:420px}}@media (width>=1280px){.lib-feature-grid{gap:var(--space-16)}}