@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;450;500;550;600;650;700&family=Noto+Serif+SC:wght@400;500;600&display=swap');
:root{--bg:#faf8f4;--surface:#fffefb;--ink:#302e29;--muted:#827d73;--line:#e6e1d8;--accent:#b85d39;--soft:#f2e7dc;--shadow:0 14px 50px #54432b09;color-scheme:light}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.7 'DM Sans','Microsoft YaHei',sans-serif}body.dark{--bg:#201f1c;--surface:#2a2824;--ink:#eee8dd;--muted:#b8afa1;--line:#454139;--soft:#423027;--accent:#e69a72;color-scheme:dark}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button,a{touch-action:manipulation}button{color:inherit}button:disabled{cursor:wait;opacity:.65}a{color:inherit;text-decoration:none}button{border:0;background:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid 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