:root{--bg:#ffffff;--bg-2:#f6f7fb;--card:#ffffff;--border:#e3e6ef;--text:#151833;--text-2:#5a6079;--accent:#4b48d0;--accent-2:#3f97b5;--accent-3:#b54fd0;--ink:#12142b;--brand-grad:linear-gradient(90deg,#3f97b5,#4b48d0 55%,#b54fd0);--maxw:1120px;--font-head:"Manrope","Inter",system-ui,sans-serif;--font-body:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font-family:var(--font-body);line-height:1.65;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}h1,h2,h3{font-family:var(--font-head)}.nav{position:-webkit-sticky;position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);-webkit-backdrop-filter:saturate(160%) blur(10px);backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid 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