:root{--brand:#A9503F;--gold:#D9A15B;--ink:#241F1D;--paper:#F8F5F1;--soft:#EFE8E1;--text:#332E2B;--muted:#746B65;--accent:#E07A3F;--white:#fff;--line:#DED4CC;--shadow:0 14px 40px rgba(36,31,29,.10);--radius:22px;--content:1180px;--reading:760px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.75}body.search-open{overflow:hidden}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(224,122,63,.45);outline-offset:3px}button,input{font:inherit}.shell{width:min(calc(100% - 40px),var(--content));margin-inline:auto}.skip-link{position:fixed;top:12px;left:12px;z-index:9999;transform:translateY(-150%);background:var(--ink);color:#fff;padding:10px 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