:root{--black:#050505;--ink:#1d1d1f;--muted:#6e6e73;--line:#d2d2d7;--paper:#f5f5f7;--orange:#f56a13;--gold:#dcb23c}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:"SF Pro Display","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{text-decoration:none;color:inherit}.shell{width:min(1180px,calc(100% - 48px));margin-inline:auto}.nav-wrap{position:fixed;inset:0 0 auto;z-index:100;background:rgba(12,12,12,.74);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid rgba(255,255,255,.08)}.nav{height:52px;display:flex;align-items:center;justify-content:space-between;color:#f5f5f7}.wordmark{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:650}.mark{font-family:Georgia,serif;font-size:18px;color:var(--orange)}.nav-links{display:flex;gap:32px;font-size:12px;color:#d6d6d8}.nav-links 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