.explainer-index{--brand-blue:#485fe0;--brand-cyan:#14c6cc;--bg-main:#fff;--bg-alt:#f8fafc;--card-bg:#fff;--text-main:#0f172a;--text-muted:#64748b;--border-light:#e2e8f0;background-color:var(--bg-main);min-height:100vh;color:var(--text-main);font-family:Wigrum,sans-serif}.explainer-index .ei-hero{text-align:center;background:var(--bg-alt);border-bottom:1px solid var(--border-light);padding:160px 0 100px;position:relative;overflow:hidden}.explainer-index .ei-hero-content{z-index:10;max-width:800px;margin:0 auto;padding:0 24px;position:relative}.explainer-index .ei-hero-tag{color:var(--brand-blue);letter-spacing:.1em;background:#485fe00d;border:1px solid #485fe01a;border-radius:999px;margin-bottom:32px;padding:8px 20px;font-size:14px;font-weight:600;display:inline-block}.explainer-index .ei-hero h1{letter-spacing:-.04em;color:var(--text-main);margin-bottom:24px;font-size:4.5rem;font-weight:900;line-height:1.1}.explainer-index .ei-hero h1 span{color:var(--brand-blue)}.explainer-index .ei-hero-sub{color:var(--text-muted);font-size:1.5rem;line-height:1.5}.explainer-index .ei-hero-glow{z-index:1;pointer-events:none;background:radial-gradient(circle,#485fe00d 0%,#0000 70%);width:1000px;height:600px;position:absolute;top:-20%;left:50%;transform:translate(-50%)}.explainer-index .ei-grid-section{max-width:1200px;margin:0 auto;padding:60px 24px 120px}.explainer-index .ei-grid{grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:28px;display:grid}.explainer-index .ei-card{background:var(--card-bg);border:1px solid var(--border-light);color:inherit;border-radius:24px;flex-direction:column;padding:40px;text-decoration:none;transition:all .4s;display:flex;position:relative;overflow:hidden}.explainer-index .ei-card:before{content:"";background:var(--brand-blue);border-radius:0 0 4px;width:4px;height:0;transition:height .4s;position:absolute;top:0;left:0}.explainer-index .ei-card:hover{border-color:var(--brand-blue);transform:translateY(-8px);box-shadow:0 20px 40px #485fe014}.explainer-index .ei-card:hover:before{height:100%}.explainer-index .ei-card-icon{background:#485fe00f;border:1px solid #485fe01a;border-radius:14px;justify-content:center;align-items:center;width:52px;height:52px;margin-bottom:20px;font-size:22px;transition:all .3s;display:flex}.explainer-index .ei-card:hover .ei-card-icon{background:var(--brand-blue);border-color:var(--brand-blue);color:#fff;transform:scale(1.05)}.explainer-index .ei-card-tag{letter-spacing:.12em;text-transform:uppercase;color:var(--brand-blue);margin-bottom:12px;font-size:11px;font-weight:700}.explainer-index .ei-card h2{color:var(--text-main);margin-bottom:12px;font-size:1.25rem;font-weight:800;line-height:1.3}.explainer-index .ei-card p{color:var(--text-muted);flex-grow:1;margin-bottom:20px;font-size:.9rem;line-height:1.7}.explainer-index .ei-card-keywords{flex-wrap:wrap;gap:6px;margin-bottom:20px;display:flex}.explainer-index .ei-card-keywords span{color:var(--text-muted);background:#485fe00a;border:1px solid #485fe014;border-radius:999px;padding:4px 10px;font-size:.7rem;font-weight:600}.explainer-index .ei-card-cta{color:var(--brand-blue);align-items:center;gap:6px;margin-top:auto;font-size:.875rem;font-weight:700;transition:gap .3s;display:inline-flex}.explainer-index .ei-card:hover .ei-card-cta{gap:10px}.explainer-index .ei-stats{border-bottom:1px solid var(--border-light);justify-content:center;gap:60px;padding:48px 24px;display:flex}.explainer-index .ei-stat{text-align:center}.explainer-index .ei-stat-value{color:var(--brand-blue);letter-spacing:-.02em;font-size:2.5rem;font-weight:900}.explainer-index .ei-stat-label{color:var(--text-muted);margin-top:4px;font-size:.85rem;font-weight:500}@media (max-width:768px){.explainer-index .ei-hero h1{font-size:3rem}.explainer-index .ei-grid{grid-template-columns:1fr}.explainer-index .ei-stats{flex-direction:column;gap:24px}}