:root{--paper:#f4f5ef;--ink:#192f27;--muted:#69766d;--line:#d9dfd4;--green:#254e3c;--white:#fff;--accent:#d8e7bc;--body:"Microsoft YaHei UI","Microsoft YaHei","PingFang SC","Noto Sans CJK SC",sans-serif;--mono:Consolas,"Courier New",monospace}
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