:root{--paper:#f7f8f5;--surface:#fff;--ink:#17201d;--muted:#64706b;--line:#dce2de;--accent:#e95420;--accent-dark:#bd3911;--safe:#176b5b;--soft-safe:#e8f3ef;--danger:#a6322a}*{box-sizing:border-box}html{min-width:320px;background:var(--paper)}body{margin:0;color:var(--ink);background:radial-gradient(circle at 50% -10%,#fff 0,var(--paper) 44%);font-family:Arial,Helvetica,sans-serif}button,input{font:inherit}a,button{-webkit-tap-highlight-color:transparent}.page-shell{min-height:100svh;width:min(100% - 32px,680px);margin:0 auto;padding:58px 0 28px;display:flex;flex-direction:column;align-items:center}.hero{width:100%;text-align:center;margin-bottom:34px}.brand-mark{position:relative;width:42px;height:42px;margin:0 auto 18px;border:1.5px solid var(--ink);border-radius:12px 12px 15px 15px;display:grid;place-items:center;font-family:Georgia,serif;font-weight:700}.brand-mark:before{content:"";position:absolute;width:18px;height:10px;border:1.5px solid 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