:root{--ink:#17324d;--blue:#0d6ea8;--sky:#69c7e5;--red:#e24045;--gold:#f5bc45;--paper:#fbfaf7;--muted:#617384;--line:#dbe4ea;--white:#fff;--shadow:0 18px 50px rgba(19,50,78,.12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--paper);color:var(--ink);line-height:1.6}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.wrap{width:min(1180px,calc(100% - 40px));margin:auto}.topbar{background:var(--ink);color:#dbe9f3;font-size:.85rem;padding:7px 0}.topbar .wrap{display:flex;justify-content:space-between;gap:20px}.site-header{position:sticky;top:0;z-index:20;background:rgba(251,250,247,.94);backdrop-filter:blur(14px);border-bottom:1px solid 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