:root{--c:#0f766e;--c2:#134e4a;--bg:#f7faf9;--card:#fff;--t:#1f2937;--m:#6b7280;--b:#e5e7eb}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.7 system-ui,-apple-system,"PingFang TC","Noto Sans TC","Microsoft JhengHei",sans-serif;color:var(--t);background:var(--bg)}
.wrap{max-width:760px;margin:0 auto;padding:0 16px}
a{color:var(--c)}h1{font-size:1.6rem;line-height:1.3;margin:20px 0 4px}h2{font-size:1.2rem;margin:28px 0 8px}
.top{background:var(--c);color:#fff}.top .wrap{display:flex;align-items:center;justify-content:space-between;min-height:52px;gap:8px}
.brand{color:#fff;text-decoration:none;font-weight:700}
.top details{position:relative}.top summary{cursor:pointer;list-style:none;padding:6px 10px;border:1px solid #fff6;border-radius:8px}
.top summary::-webkit-details-marker{display:none}
.top ul{position:absolute;right:0;top:40px;z-index:10;background:#fff;margin:0;padding:6px 0;list-style:none;border-radius:10px;box-shadow:0 8px 24px #0003;min-width:200px}
.top li a{display:block;padding:8px 16px;color:var(--t);text-decoration:none}.top li a[aria-current]{font-weight:700;color:var(--c)}
.updated{color:var(--m);font-size:.9rem;margin:0 0 8px}.lead{color:#374151}.muted{color:var(--m);font-size:.9rem}
.card{background:var(--card);border:1px solid var(--b);border-radius:14px;padding:16px}
.grid{display:grid;gap:12px}@media(min-width:620px){.grid{grid-template-columns:1fr 1fr}}
.f{display:flex;flex-direction:column;gap:4px;font-size:.92rem}.f span{color:#374151}
input,select{font:inherit;padding:10px 12px;border:1px solid #cbd5e1;border-radius:10px;background:#fff;width:100%}
input:focus,select:focus{outline:2px solid var(--c);border-color:transparent}
.c{display:flex;gap:8px;align-items:center;font-size:.92rem}.c input{width:auto}
.result{margin-top:16px;padding-top:12px;border-top:1px dashed var(--b)}
.big{font-size:2rem;font-weight:800;color:var(--c2);line-height:1.2}.big small{font-size:1rem;font-weight:400;color:var(--m)}
.kv{width:100%;border-collapse:collapse;margin-top:8px}.kv td{padding:6px 0;border-bottom:1px solid var(--b)}.kv td:last-child{text-align:right;font-variant-numeric:tabular-nums}
.tablewrap{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.9rem}th,td{padding:6px 8px;border-bottom:1px solid var(--b);text-align:right;white-space:nowrap}th:first-child,td:first-child{text-align:left}
.article table td,.article table th{white-space:normal}
.sched{margin-top:12px}.sched summary,.faq summary{cursor:pointer;font-weight:600;padding:8px 0}
.faq details{border-bottom:1px solid var(--b)}.faq p{margin:0 0 12px}
.warn{background:#fffbeb;border:1px solid #fde68a;border-radius:10px;padding:8px 12px;font-size:.9rem}
.tools{list-style:none;padding:0;display:grid;gap:10px}@media(min-width:620px){.tools{grid-template-columns:1fr 1fr}}
.tools a{display:grid;grid-template-columns:40px 1fr;grid-template-rows:auto auto;column-gap:8px;padding:12px;background:#fff;border:1px solid var(--b);border-radius:12px;text-decoration:none;color:var(--t)}
.tools span{grid-row:span 2;font-size:1.6rem;align-self:center}.tools small{color:var(--m)}
.sources ol{padding-left:20px;font-size:.9rem}
.ad-slot{margin:16px 0;min-height:0}.ad-slot[hidden]{display:none}
.foot{margin-top:40px;padding:20px 0;border-top:1px solid var(--b);font-size:.9rem}