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*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:radial-gradient(circle at 8% 0%,rgba(165,119,76,.12),transparent 28%),linear-gradient(90deg,rgba(25,24,23,.035) 1px,transparent 1px) 0 0/72px 72px,linear-gradient(rgba(25,24,23,.026) 1px,transparent 1px) 0 0/72px 72px,var(--canvas);font-family:"Aptos","Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer}.topbar{position:sticky;top:0;z-index:20;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;min-height:44px;padding:5px clamp(20px,4vw,56px);border-bottom:1px solid var(--line);background:rgba(244,241,235,.88);backdrop-filter:blur(18px)}.brand{display:inline-flex;align-items:center;gap:9px;font-size:16px;font-weight:760}.brand-mark{display:grid;width:26px;height:26px;place-items:center;border-radius:50%;background:var(--charcoal);color:var(--ivory);font-size:13px;font-weight:800}.nav{display:inline-flex;gap:2px;color:var(--muted);font-size:12px;white-space:nowrap}.nav a{padding:6px 10px;border-radius:999px}.nav a.active,.nav a:hover{color:var(--ink);background:rgba(255,255,255,.58)}.top-action{justify-self:end;display:inline-flex;align-items:center;min-height:30px;border:1px solid var(--charcoal);border-radius:999px;background:var(--charcoal);color:var(--ivory);padding:5px 13px;font-size:12px;font-weight:760}
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