:root{--bg: #f4f8ff;--bg-deep: #e8f0fe;--surface: #ffffff;--ink: #0f172a;--ink-soft: #475569;--muted: #64748b;--accent: #2563eb;--accent-deep: #1d4ed8;--accent-soft: #dbeafe;--accent-glow: rgba(37, 99, 235, .18);--line: rgba(15, 23, 42, .08);--shadow: 0 28px 70px rgba(15, 23, 42, .1);--radius: 28px;--font: "Outfit", system-ui, sans-serif;color-scheme:light}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font);color:var(--ink);background:radial-gradient(1100px 520px at 8% -8%,rgba(37,99,235,.14),transparent 55%),radial-gradient(900px 480px at 92% 0%,rgba(56,189,248,.1),transparent 52%),radial-gradient(700px 420px at 70% 80%,rgba(99,102,241,.08),transparent 55%),var(--bg);min-height:100vh;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font:inherit;background:none;border:none;cursor:pointer;color:inherit}.shell{width:min(1180px,calc(100% - 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