:root{font-family:"Segoe UI","Microsoft YaHei",sans-serif;color-scheme:light;--paper:#f6f7f8;--surface:#fff;--ink:#20242a;--muted:#6d747e;--line:#dce0e5;--blue:#1769aa;--green:#147957;--red:#b13a32}
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@media(prefers-color-scheme:dark){:root{color-scheme:dark;--paper:#17191c;--surface:#202328;--ink:#f0f1f2;--muted:#abb1b9;--line:#373c44;--blue:#65a9ed;--green:#70d8a8;--red:#ff8279}.brand-icon{background:#30343a}.primary{color:#101820}.code-line button{color:var(--ink)}}