:root{--bg:#f7faf9;--bg-strong:#ffffff;--ink:#0b1f21;--muted:#5b6c6f;--line:#d8e3e1;--teal:#0f766e;--teal-dark:#073b3a;--teal-soft:#dff4ef;--amber:#a06012;--red:#b42318;--blue:#315d74;--shadow:0 24px 70px rgba(7,59,58,0.12);--radius:8px;--max:1180px;--font:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:linear-gradient(180deg,rgba(223,244,239,.75),rgba(247,250,249,0) 520px),var(--bg);color:var(--ink);font-family:var(--font);letter-spacing:0}a{color:inherit}button,input{font:inherit}.site-shell{min-height:100vh}.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}.topbar{position:-webkit-sticky;position:sticky;top:0;z-index:50;border-bottom:1px solid 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