:root{
  --paper:#F4F6F5; --ink:#1E2A30; --muted:#55636A; --band:#2F4858;
  --band-ink:#F4F6F5; --rule:#D5DDDF; --signal:#E3B23C; --link:#0D5873;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;
  font-size:20px;line-height:1.85;letter-spacing:.02em}
a{color:var(--link);text-decoration-thickness:2px;text-underline-offset:4px}
a:focus-visible{outline:3px solid var(--signal);outline-offset:3px;border-radius:2px}
.band{background:var(--band);color:var(--band-ink)}
.band .in{max-width:38rem;margin:0 auto;padding:14px 20px;display:flex;justify-content:space-between;
  gap:12px;flex-wrap:wrap;font-size:18px;line-height:1.5}
.band a{color:var(--band-ink);text-decoration:none;font-weight:700}
.band a:hover{text-decoration:underline}
main{max-width:38rem;margin:0 auto;padding:28px 20px 48px}
h1,h2{font-family:"Noto Serif TC","PMingLiU",serif;font-weight:700;color:var(--ink);letter-spacing:.01em}
h1{font-size:30px;line-height:1.45;margin:8px 0 10px}
.meta{color:var(--muted);font-size:18px;margin:0 0 28px}
h2{font-size:24px;line-height:1.5;margin:44px 0 12px;padding-left:14px;border-left:5px solid var(--signal)}
p{margin:0 0 1em}
p.item{padding-left:1em;text-indent:-1em}
p.item strong{font-weight:700}
.refs{margin-top:44px;color:var(--muted);font-size:16px;line-height:1.7}
.refs h2{font-size:20px;border-left-color:var(--rule);margin-top:0}
.refs ol{padding-left:1.4em;margin:0}
.refs li{margin-bottom:.6em;word-break:break-word}
.next{margin:48px 0 0;padding:20px 20px 8px;background:#fff;border:2px solid var(--band);border-radius:6px}
.next p{margin:0 0 14px}
.next a{display:inline-block;min-height:48px;padding:6px 0;font-weight:700;font-size:21px}
.next .lbl{display:block;color:var(--muted);font-size:17px;line-height:1.4}
footer{max-width:38rem;margin:0 auto;padding:24px 20px 56px;color:var(--muted);font-size:17px;
  border-top:1px solid var(--rule)}
footer a{color:var(--muted)}
.intro{font-size:20px}
.jump{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 8px;padding:0;list-style:none}
.jump a{display:inline-block;padding:8px 16px;border:2px solid var(--band);border-radius:999px;
  text-decoration:none;color:var(--band);font-weight:700;font-size:19px;line-height:1.4}
.jump a:hover{background:var(--band);color:var(--band-ink)}
.cat{margin-top:40px}
.cat h2 span{font-family:"Noto Sans TC",sans-serif;font-weight:400;color:var(--muted);font-size:18px;margin-left:8px}
.list{list-style:none;margin:0;padding:0}
.list li{padding:14px 0;border-bottom:1px solid var(--rule)}
.list a{font-family:"Noto Serif TC","PMingLiU",serif;font-weight:600;font-size:21px;line-height:1.5;text-decoration:none}
.list a:hover{text-decoration:underline}
.list .m{display:block;color:var(--muted);font-size:17px;line-height:1.5;margin-top:2px}
@media (min-width:720px){body{font-size:21px} h1{font-size:36px} h2{font-size:26px}}