:root{color-scheme:light;--ink:#17191d;--muted:#555b65;--line:#d9dde3;--paper:#fff;--soft:#f4f6f8}*{box-sizing:border-box}html{scroll-behavior:auto}body{margin:0;background:var(--paper);color:var(--ink);font:1rem/1.85 system-ui,-apple-system,"Segoe UI","Noto Sans TC",sans-serif}a{color:inherit;text-underline-offset:.22em}a:hover{text-decoration-thickness:2px}a:focus-visible,summary:focus-visible{outline:3px solid #2466bd;outline-offset:5px}header,main,footer{width:min(100% - 2.5rem,52rem);margin-inline:auto}header{padding:1.6rem 0;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}.brand{font-size:1.3rem;font-weight:750;letter-spacing:.09em;text-decoration:none}nav{display:flex;gap:1.3rem;flex-wrap:wrap;font-size:.94rem}nav [aria-current=page]{font-weight:700}main{padding-block:2.3rem 3.5rem}h1{font-size:clamp(2rem,5vw,2.8rem);line-height:1.3;letter-spacing:-.03em;margin:0 0 .7rem}h2{font-size:1.4rem;line-height:1.5;margin:2.2rem 0 .6rem}h3{font-size:1.08rem;line-height:1.6;margin:1.5rem 0 .3rem}p{margin:.6rem 0 1rem}ul{padding-left:1.4rem}li{margin:.45rem 0}.meta{color:var(--muted);font-size:.92rem}.language{display:flex;gap:1.2rem;margin:1.2rem 0 2rem}.contact{padding:1.2rem 1.4rem;background:var(--soft);border-left:3px solid var(--ink);margin:1.7rem 0}.contact p{margin:.2rem 0}.email{font-weight:650;overflow-wrap:anywhere}.translation{margin-top:3rem;padding-top:1rem;border-top:1px solid var(--line)}footer{border-top:1px solid var(--line);padding-block:1.4rem 2rem;color:var(--muted);font-size:.9rem}.skip{position:absolute;left:1rem;top:-5rem;background:white;padding:.5rem}.skip:focus{top:.5rem}section{scroll-margin-top:1.5rem}@media(max-width:480px){header,main,footer{width:calc(100% - 2rem)}main{padding-top:1.8rem}.contact{padding:1rem}nav{gap:.9rem}}@media print{.skip,nav,.language{display:none}header,main,footer{width:100%}body{font-size:11pt}.contact{background:none}a{text-decoration:none}}