:root{--paper:#fcf9f3;--ink:#492b39;--muted:#8c7b80;--line:#e7deda;--coral:#f45d48;--berry:#ba3276;--yellow:#ffc248;--white:#fffefa;--serif:'Noto Serif SC','Songti SC','SimSun',serif;--sans:'Microsoft YaHei','PingFang SC',sans-serif;--radius:10px;--shadow:0 14px 30px #68413b10}html{color-scheme:light}