:root{--bg: #0b1424;--bg2: #0d1830;--card: #101b2e;--card2: #16243a;--card3: #1a2a42;--blue: #2AABEE;--blue-dark:#1a7cbf;--text: #FFFFFF;--hint: #9CA3AF;--border: rgba(255,255,255,.08);--success: #22C55E;--danger: #EF4444;--orange: #F59E0B;--purple: #8B5CF6;--radius: 10px;--radius-lg:14px;--sidebar-w:240px;--header-bg:rgba(11,20,36,.92)}:root.light{--bg: #f0f5ff;--bg2: #e6edf8;--card: #ffffff;--card2: #f4f7fd;--card3: #eaf0fb;--text: #0f1f38;--hint: #5a6a84;--border: rgba(15,30,80,.1);--header-bg:rgba(255,255,255,.94)}.light body{background:var(--bg)}.light .logo-text{color:var(--text)!important}.light .hero-stat-value{color:var(--text)}.light .hero{background:radial-gradient(ellipse at 50% 0%,rgba(42,171,238,.07) 0%,transparent 60%)}.light .hero:before{opacity:.4}.light .how-section{background:var(--card2)}.light .auth-page{background:radial-gradient(ellipse at 50% 0%,rgba(42,171,238,.06) 0%,transparent 60%)}.light .auth-card{box-shadow:0 8px 40px #0f1e501a}.light .modal{box-shadow:0 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rgba(42,171,238,.2);display:flex;align-items:center;justify-content:center;margin-bottom:16px}.feature-title{font-size:16px;font-weight:700;margin-bottom:8px}.feature-desc{font-size:13px;color:var(--hint);line-height:1.6}.how-section{padding:80px 24px;background:var(--card);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.how-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:32px;max-width:900px;margin:0 auto}.how-step{text-align:center}.how-step-num{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--blue-dark));display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:900;color:#fff;margin:0 auto 16px;box-shadow:0 4px 16px #2aabee4d}.how-step-title{font-size:16px;font-weight:700;margin-bottom:6px}.how-step-desc{font-size:13px;color:var(--hint);line-height:1.5}.cats-section{padding:80px 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