:root{--paper:#f7f6f1;--white:#fffefb;--ink:#26332e;--muted:#65736b;--line:#dce3dc;--green:#285c49;--sage:#e9efdf;--gold:#ba9154;--nav-width:264px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif;font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased}a{color:var(--green);text-decoration-thickness:1px;text-underline-offset:4px}button,input{font:inherit}button,a,input{touch-action:manipulation}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--gold);outline-offset:4px}[hidden]{display:none!important}.skip{position:fixed;z-index:100;top:-70px;left:20px;padding:8px 18px;background:var(--green);color:white}.skip:focus{top:10px}.site-header{position:sticky;top:0;z-index:10;min-height:88px;border-bottom:1px solid 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