:root{--fg:#1f2937;--mut:#6b7280;--acc:#0f766e;--line:#e5e7eb;--soft:#f8fafc}
*{box-sizing:border-box}
body{margin:0;background:#fff;color:var(--fg);font:16px/1.75 system-ui,-apple-system,"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif}
a{color:var(--acc)}
.w{max-width:960px;margin:0 auto;padding:0 16px}
header{border-bottom:1px solid var(--line)}
header .w{display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center;padding:10px 16px}
header b a{color:var(--fg);text-decoration:none}
nav a{margin-right:14px;text-decoration:none}
#q{width:100%;max-width:380px;padding:9px 12px;border:1px solid #cbd5e1;border-radius:8px;font:inherit}
#res{list-style:none;margin:4px 0 0;padding:0;position:absolute;background:#fff;border:1px solid var(--line);border-radius:8px}
#res:empty{display:none}#res li{padding:4px 12px}
h1{font-size:1.6rem;line-height:1.3;margin:18px 0 8px}
h2{font-size:1.2rem;margin:28px 0 8px;padding-bottom:4px;border-bottom:2px solid #ccfbf1}
.bc{font-size:.85rem;color:var(--mut);margin-top:12px}.bc a{color:var(--mut)}
.cols{display:grid;grid-template-columns:1fr 160px;gap:20px;align-items:start}
@media(max-width:640px){.cols{grid-template-columns:1fr}.cols svg{margin:0 auto;display:block}}
.g{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px;list-style:none;padding:0}
.g a{display:block;padding:10px 12px;border:1px solid var(--line);border-radius:8px;text-decoration:none;background:var(--soft)}
.warn{border-left:4px solid #d97706;background:#fffbeb;padding:10px 12px}
.l li{margin:6px 0}
footer{margin-top:40px;border-top:1px solid var(--line);padding:16px 0;font-size:.85rem;color:var(--mut)}
.ad{display:none}.ads-on .ad{display:block;min-height:280px;margin:20px 0;background:var(--soft);text-align:center;color:var(--mut);font-size:.75rem}
.ads-on .ad::before{content:attr(aria-label)}
@media print{header,.ad,#q{display:none}}
.tw{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.92rem}th,td{border:1px solid var(--line);padding:6px 8px;text-align:left;vertical-align:top}th{background:var(--soft)}
ol.l{padding-left:1.3em}.fig{display:flex;gap:16px;flex-wrap:wrap;justify-content:center;margin:12px 0}.fig svg{max-width:100%;height:auto}
.lgd{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:.85rem;margin:8px 0}.lgd i{display:inline-block;width:14px;height:3px;margin-right:4px;vertical-align:middle}
section[id]{scroll-margin-top:12px}h3{font-size:1.05rem;margin:16px 0 4px;color:var(--acc)}
.rv{font-size:.85rem;color:var(--mut);margin:4px 0 0}
details{border:1px solid var(--line);border-radius:8px;padding:8px 12px;margin:8px 0}summary{cursor:pointer;font-weight:600}
figure{margin:16px 0}figure img,figure video{max-width:100%;height:auto}figcaption{font-size:.85rem;color:var(--mut)}
#gd button,main button{font:inherit;padding:8px 14px;margin:4px 6px 4px 0;border:1px solid var(--acc);border-radius:20px;background:#fff;color:var(--acc);cursor:pointer}
#cs{font:inherit;background:none;border:0;color:var(--acc);text-decoration:underline;cursor:pointer;padding:0}
@media print{button{display:none}}
.opt label{display:inline-flex;align-items:center;margin:4px 14px 4px 0}.opt input{margin-right:6px}
button{font:inherit;padding:8px 14px;border:1px solid var(--acc);border-radius:8px;background:var(--acc);color:#fff;cursor:pointer}
@media print{footer,nav,.opt,button{display:none!important}body{font-size:18px}}
/* ---- v2 版面：頁首、導覽、語言、搜尋、建議橫幅 ---- */
header.site{border-bottom:1px solid var(--line);background:#fff}
header.site .top{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;max-width:960px;margin:0 auto;padding:10px 16px}
.brand{font-weight:700;color:var(--fg);text-decoration:none;font-size:1.05rem}
.sf{position:relative;flex:1;min-width:200px;max-width:420px;margin-left:auto}
.sf input{width:100%;padding:9px 12px;border:1px solid #cbd5e1;border-radius:10px;font:inherit;box-sizing:border-box}
#res{position:absolute;left:0;right:0;top:100%;margin:4px 0 0;padding:0;list-style:none;background:#fff;border:1px solid var(--line);border-radius:10px;z-index:30;box-shadow:0 8px 24px rgba(0,0,0,.08)}
#res:empty{display:none}#res li{padding:0}#res a{display:block;padding:8px 12px;text-decoration:none;color:var(--fg)}#res a:hover{background:#f0fdfa}
nav.menu{display:flex;flex-wrap:wrap;gap:4px 6px;max-width:960px;margin:0 auto;padding:4px 16px 8px}
nav.menu a{padding:6px 12px;border-radius:999px;color:var(--fg);text-decoration:none;font-size:.95rem}
nav.menu a:hover,nav.menu a:focus-visible{background:#ecfdf5;color:var(--acc)}
nav.lang{display:flex;flex-wrap:wrap;gap:4px 14px;max-width:960px;margin:0 auto;padding:0 16px 10px;font-size:.88rem}
nav.lang a{color:var(--mut);text-decoration:none}nav.lang a[aria-current]{color:var(--acc);font-weight:700}
.skip{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip:focus{left:8px;top:8px;width:auto;height:auto;background:#fff;padding:6px 10px;z-index:99;border:1px solid var(--acc)}
.bc{font-size:.85rem;color:var(--mut);margin:14px 0 0}.bc a{color:var(--mut)}
.lead{font-size:1.05rem;color:#374151}
.note{background:#f0fdfa;border-left:4px solid var(--acc);padding:10px 12px;border-radius:6px}
.sugbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;background:#ecfeff;border-bottom:1px solid #a5f3fc;padding:8px 16px;font-size:.92rem}
.sugbar a{font-weight:700;color:var(--acc)}.sugbar button{margin-left:auto;background:none;border:0;cursor:pointer;font-size:1rem;color:var(--mut);padding:2px 6px}
.consent{position:fixed;left:0;right:0;bottom:0;background:#fff;border-top:1px solid var(--line);padding:12px 16px calc(12px + env(safe-area-inset-bottom,0px));z-index:50;display:flex;gap:10px;flex-wrap:wrap;align-items:center;font-size:.92rem;box-shadow:0 -6px 20px rgba(0,0,0,.06)}
.consent span{flex:1;min-width:220px}
.root main{padding-top:40px}.langs{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin:18px 0}
.lc{display:block;border:1px solid var(--line);border-radius:14px;padding:16px;text-decoration:none;color:var(--fg);background:#fff}
.lc b{display:block;font-size:1.15rem}.lc span{color:var(--mut);font-size:.9rem}.lc em{display:inline-block;margin-top:6px;font-style:normal;background:#ccfbf1;color:#0f766e;border-radius:999px;padding:2px 10px;font-size:.8rem}
.lc.sug{border-color:var(--acc);box-shadow:0 0 0 2px #99f6e4 inset}
.small{font-size:.85rem;color:var(--mut)}
.fig{display:block;margin:0 auto;max-width:100%;height:auto}
.fig-pair{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin:12px 0}
.fig-pair svg{max-width:46%;height:auto}
.g{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px;list-style:none;padding:0}
.g a{display:block;padding:9px 12px;border:1px solid var(--line);border-radius:10px;text-decoration:none;background:var(--soft);color:var(--fg)}
.g a:hover{border-color:var(--acc)}
.site-f{margin-top:40px;border-top:1px solid var(--line);padding:16px 0 28px;font-size:.88rem;color:var(--mut)}
.site-f a{color:var(--acc)}
.tw{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.92rem}th,td{border:1px solid var(--line);padding:6px 8px;text-align:left;vertical-align:top}th{background:var(--soft)}
main.w{padding-bottom:24px}