:root{--primary: #2563EB;--primary-dark: #1D4ED8;--primary-light: #DBEAFE;--accent: #F59E0B;--accent-dark: #D97706;--success: #10B981;--success-light: #D1FAE5;--danger: #EF4444;--ink: #0F172A;--muted: #64748B;--muted-light: #94A3B8;--line: #E2E8F0;--bg: #F8FAFC;--card: #FFFFFF;--radius: 16px;--radius-sm: 10px;--radius-pill: 999px;--shadow-sm: 0 1px 2px rgba(15,23,42,.06), 0 1px 3px rgba(15,23,42,.05);--shadow: 0 4px 14px rgba(15,23,42,.08);--shadow-lg: 0 18px 40px rgba(15,23,42,.14);--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font);background:var(--bg);color:var(--ink);line-height:1.55;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font-family:inherit;cursor:pointer;border:none;background:none}.container{max-width:1180px;margin:0 auto;padding:0 22px}.header{position:sticky;top:0;z-index:50;background:#ffffffd9;-webkit-backdrop-filter:saturate(180%) blur(12px);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;gap:20px;height:66px}.logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:22px;letter-spacing:-.5px;cursor:pointer}.logo-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--primary),#6366F1);display:grid;place-items:center;color:#fff;font-weight:900;font-size:18px;box-shadow:var(--shadow-sm)}.logo span{color:var(--primary)}.nav{display:flex;gap:4px;margin-left:8px}.nav a{padding:8px 13px;border-radius:var(--radius-sm);color:var(--muted);font-weight:600;font-size:14px;transition:.15s}.nav a:hover{background:var(--bg);color:var(--ink)}.nav 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p{font-size:19px;color:var(--muted);max-width:620px;margin-top:20px}.hero-cta{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}.hero-stats{display:flex;gap:40px;margin-top:52px;flex-wrap:wrap}.hero-stat b{font-size:30px;font-weight:850;letter-spacing:-.6px;display:block}.hero-stat span{color:var(--muted);font-size:14px;font-weight:600}.section{padding:56px 0}.section-head{text-align:center;max-width:640px;margin:0 auto 40px}.section-head h2{font-size:34px;letter-spacing:-1px;font-weight:800}.section-head 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