:root{color-scheme:light;--bg:#faf9fc;--paper:#fff;--ink:#292634;--muted:#6d627b;--purple:#715197;--line:#e9e1ef;--wash:#f2edf9}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.85 system-ui,-apple-system,"Noto Sans TC","Microsoft JhengHei",sans-serif}
a{color:var(--purple);text-underline-offset:4px}a:focus-visible{outline:3px solid #bda5d8;outline-offset:5px}
.shell{width:min(880px,100%);margin:auto;padding:28px clamp(20px,5vw,48px) 50px}.top{display:flex;justify-content:space-between;gap:20px;align-items:center;border-bottom:1px solid var(--line);padding-bottom:20px}.brand{font-weight:700;text-decoration:none}.back{font-size:14px}
.kicker{margin:40px 0 8px;color:var(--purple);font-size:12px;letter-spacing:.14em;font-weight:700}h1{font:600 clamp(28px,6vw,40px)/1.45 "Noto Serif TC","Songti TC",serif;margin:0 0 12px}h2{font-size:20px;line-height:1.55;margin:0 0 12px}.lead{font-size:17px;color:#51465e;margin:0 0 12px}.updated{font-size:13px;color:var(--muted);margin:0 0 28px}
.notice{padding:18px 22px;border:1px solid #d8c9e8;border-radius:16px;background:var(--wash);margin:24px 0 30px}.notice p{margin:0}.notice p+p{margin-top:8px}section{padding:26px 0;border-top:1px solid var(--line)}p{margin:0 0 12px}p:last-child{margin-bottom:0}ul,ol{margin:8px 0 12px;padding-left:1.5em}li+li{margin-top:7px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}.button{display:inline-block;background:var(--purple);color:white;padding:10px 18px;border-radius:10px;font-weight:600;text-decoration:none}.button.secondary{color:var(--purple);background:var(--wash)}
footer{border-top:1px solid var(--line);padding-top:22px;margin-top:28px;color:var(--muted);font-size:13px}.links{display:flex;flex-wrap:wrap;gap:10px 22px;margin-bottom:12px}.quiet{font-size:14px;color:var(--muted)}@media(max-width:500px){.top{align-items:flex-start;flex-direction:column;gap:6px}.shell{padding-top:20px}.kicker{margin-top:30px}section{padding:22px 0}.notice{padding:16px}.button{width:100%;text-align:center}}