:root{--bg:#f4f8fa;--surface:#ffffff;--surface-2:#eef6f8;--ink:#10242c;--muted:#60727a;--line:#d9e5e9;--blue:#1479a8;--blue-dark:#0a526f;--aqua:#18a6a6;--navy:#0b2733;--warning:#a95b14;--shadow:0 18px 48px rgba(11,39,51,.09);--radius:18px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.55}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{cursor:pointer}.shell{width:min(1180px,calc(100% - 36px));margin-inline:auto}.skip-link{position:absolute;left:-9999px;top:10px;z-index:100;background:#fff;padding:10px 14px;border-radius:8px}.skip-link:focus{left:10px}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:50;background:rgba(244,248,250,.93);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid 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