:root{--ink:#11211d;--muted:#64716c;--paper:#f5f7f3;--panel:#fff;--line:#e3e9e4;--green:#183f34;--green-soft:#dfece5;--mint:#9bd0b4;--warm:#e8a85a;--shadow:0 18px 60px #15352b14}*{box-sizing:border-box}html{background:var(--paper);min-width:320px}body{color:var(--ink);background:var(--paper);margin:0;font-family:Avenir Next,PingFang SC,Noto Sans CJK SC,sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}.brand{letter-spacing:-.02em;align-items:center;gap:11px;font-size:17px;font-weight:700;display:inline-flex}.brand-mark{color:#fff;background:var(--green);border-radius:10px;place-items:center;width:32px;height:32px;font-family:Georgia,serif;display:grid}.invite-page{color:#fff;background:radial-gradient(circle at 12% 90%,#9bd0b42e,#0000 30%),linear-gradient(130deg,#102e27,#183f34 56%,#10251f);grid-template-columns:minmax(0,1.25fr) 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