:root{--navy:#16283C;--paper:#F7F9FB;--teal:#1E7A8C;--orange:#E8630A;--sand:#E9E2D4;--line:#D9E0E7;--mut:#5B6B7B}
*{box-sizing:border-box}body{margin:0;font-family:"Noto Sans TC",sans-serif;background:var(--paper);color:var(--navy);line-height:1.8}
.mono{font-family:"IBM Plex Mono",monospace}.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
a{color:var(--teal);text-decoration:none}a:hover{text-decoration:underline}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:99}
.util{background:var(--navy);color:#cdd8e2;font-size:12.5px}.util .wrap{display:flex;justify-content:space-between;padding:7px 20px;flex-wrap:wrap;gap:6px}.util a{color:#cdd8e2}
nav{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:20}nav .wrap{display:flex;align-items:center;gap:22px;padding:12px 20px}
.logo{font-weight:900;font-size:19px;color:var(--navy);display:flex;align-items:center;gap:8px}.logo .sq{background:var(--orange);color:#fff;width:30px;height:30px;display:grid;place-items:center;border-radius:7px}
nav ul{list-style:none;display:flex;gap:20px;margin:0 0 0 auto;padding:0;flex-wrap:wrap}nav ul a{color:var(--navy);font-weight:500;font-size:15px}
.page{padding:34px 0 10px}.crumb{font-size:13px;color:var(--mut);margin-bottom:16px}.crumb a{color:var(--mut)}
.eyebrow{font-family:"IBM Plex Mono",monospace;font-size:12.5px;color:var(--orange);letter-spacing:.14em;font-weight:500;margin-bottom:12px}
h1{font-weight:900;font-size:clamp(25px,4.2vw,37px);line-height:1.32;margin:0 0 18px}
h2{font-weight:900;font-size:20px;margin:38px 0 10px;padding-bottom:8px;border-bottom:2px solid var(--navy)}
h3.sub{font-size:16px;font-weight:700;margin:26px 0 4px;color:var(--navy)}
thead th .mut{font-weight:400;font-size:11px}
.lead{background:#fff;border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:10px;padding:16px 20px;margin:0 0 24px}
.lead p{margin:0;font-size:16px;color:#26394d}.lead .cav{margin-top:9px;font-size:13.5px;color:var(--mut);line-height:1.7}
.warn{color:var(--orange)}
.kpi{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:12px;overflow:hidden;margin:0 0 8px}
.kpi>div{background:#fff;padding:16px 18px}
.kpi .k{font-size:12.5px;color:var(--mut);letter-spacing:.04em}
.kpi .v{font-family:"IBM Plex Mono",monospace;font-size:30px;font-weight:500;line-height:1.25;color:var(--navy)}
.kpi .v span{font-size:15px;font-weight:400;margin-left:3px;color:var(--mut)}
.kpi .s{font-size:12px;color:var(--mut);margin-top:2px}
.note{font-size:13.5px;color:var(--mut);line-height:1.75;margin:8px 0 14px}
.tw{overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:#fff;margin:14px 0}
table{border-collapse:collapse;width:100%;font-size:14.5px;min-width:560px}
th,td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line)}
thead th{background:#eef3f6;font-size:12.5px;color:var(--mut);font-weight:700;white-space:nowrap}
td.n,th.n{text-align:right;font-family:"IBM Plex Mono",monospace;font-variant-numeric:tabular-nums;white-space:nowrap}
tbody tr:last-child td{border-bottom:0}tfoot td{background:var(--paper);font-weight:700;border-top:2px solid var(--line);border-bottom:0}
tr.me{background:#fbf4ec}
td.up,.up{color:var(--orange)}td.dn,.dn{color:var(--teal)}.na{color:var(--mut);font-family:"Noto Sans TC",sans-serif;font-size:13px}
.method{background:#fff;border:1px solid var(--line);border-radius:12px;padding:6px 20px;margin:14px 0}
.method dl{margin:0}.method dl>div{display:grid;grid-template-columns:110px 1fr;gap:14px;padding:12px 0;border-bottom:1px solid var(--line)}
.method dl>div:last-child{border-bottom:0}
.method dt{font-size:13px;font-weight:700;color:var(--mut)}
.method dd{margin:0;font-size:14px;color:#33465a;line-height:1.75}
.method .mut{color:var(--mut);font-size:13px}
.excl{margin:0;padding-left:18px}.excl li{font-size:13.5px}
.cta-box{background:var(--sand);border-radius:12px;padding:22px 24px;margin:34px 0 10px}
.cta-box h3{margin:0 0 8px;font-size:18px;font-weight:900}
.cta-box p{margin:0 0 12px;font-size:14.5px;color:#3b4a58;line-height:1.75}
.cta{display:inline-block;background:var(--orange);color:#fff;padding:11px 22px;border-radius:8px;font-weight:700;font-size:15px}
.cta:hover{text-decoration:none;opacity:.92}
.cta-box .links{margin:14px 0 0;font-size:13.5px;color:var(--mut)}
footer.site{background:var(--navy);color:#c8d4de;margin-top:50px;padding:26px 0;font-size:13px}
footer.site p{margin:4px 0}footer.site a{color:#c8d4de}
.lead .answer{font-size:16.5px;font-weight:500;line-height:1.75;margin:0 0 12px}
.lead-tw{margin:10px 0 12px;border-radius:8px}
.lead-tw table{min-width:420px;font-size:14px}
.lead-tw thead th{background:#e7eef2}
.faq{margin:34px 0 10px}
.faq .qa{background:#fff;border:1px solid var(--line);border-radius:10px;margin:8px 0;padding:0 18px}
.faq .qa summary{cursor:pointer;padding:14px 0;font-weight:700;font-size:15.5px;list-style:none}
.faq .qa summary::-webkit-details-marker{display:none}
.faq .qa summary::before{content:"＋";color:var(--teal);margin-right:9px;font-weight:400}
.faq .qa[open] summary::before{content:"−"}
.faq .qa p{margin:0 0 15px;font-size:14.5px;color:#3b4a58;line-height:1.85}
.explain{background:#fbf4ec;border:1px solid #f0dcc4;border-radius:10px;padding:15px 20px;margin:14px 0}
.explain b{color:var(--orange)}.explain>b{display:block;margin-bottom:6px;font-size:15px}
.explain p{margin:8px 0 0;font-size:14px;color:#3b4a58;line-height:1.8}
.explain p b{color:var(--navy)}

.cf{display:inline-block;font-size:10px;font-family:'Noto Sans TC',sans-serif;padding:1px 5px;border-radius:3px;margin-left:5px;vertical-align:1px;font-weight:500}
.cf.ref{background:#e8f0f3;color:var(--teal)}.cf.low{background:#fbeee1;color:var(--orange)}
.chart.trend{padding:20px 20px 12px}
.chart .tgrid{display:flex;gap:30px;justify-content:center;align-items:flex-end}
.chart .tcol{flex:1;max-width:210px;text-align:center}
.chart .tbars{display:flex;gap:5px;align-items:flex-end;height:165px}
.chart .tb{flex:1;border-radius:4px 4px 0 0;height:var(--h);display:flex;align-items:flex-start;justify-content:center;padding-top:4px;animation:rise .85s cubic-bezier(.22,1,.36,1) both;animation-delay:var(--d,0ms)}
.chart .tb span{font-family:'IBM Plex Mono',monospace;font-size:10.5px;color:#fff}
.chart .tb.c0,.legend .sw.c0{background:var(--navy)}
.chart .tb.c1,.legend .sw.c1{background:var(--teal)}
.chart .tb.c2,.legend .sw.c2{background:var(--orange)}
.chart .tb.c3,.legend .sw.c3{background:#7b93a8}
.chart .tb.c4,.legend .sw.c4{background:#c2a878}
.chart .tcol .x{font-size:12.5px;color:var(--mut);margin-top:8px;line-height:1.4}
/* ── 圖表：純 CSS，無外部圖表庫。數字是真文字，爬蟲與 AI 讀得到 ── */
.chart{background:#fff;border:1px solid var(--line);border-radius:11px;padding:18px 20px;margin:14px 0}
.chart .row{display:grid;grid-template-columns:96px 1fr 128px;gap:14px;align-items:center;padding:9px 0}
.chart .row+.row{border-top:1px dashed var(--line)}
.chart .lb{font-size:14px;line-height:1.35}.chart .lb b{display:block;font-weight:700}
.chart .lb span{font-size:11.5px;color:var(--mut)}
.chart .track{background:var(--paper);border-radius:6px;height:34px;overflow:hidden;position:relative}
.chart .bar{height:100%;width:var(--w);background:linear-gradient(90deg,var(--teal),#2f97ab);border-radius:6px;display:flex;align-items:center;justify-content:flex-end;padding-right:10px;
  animation:grow .9s cubic-bezier(.22,1,.36,1) both;animation-delay:var(--d,0ms)}
.chart .bar.land{background:linear-gradient(90deg,#b5762a,var(--orange))}
.chart .bar.empty{background:repeating-linear-gradient(45deg,#e6ecf1,#e6ecf1 6px,#f2f6f9 6px,#f2f6f9 12px)}
.chart .bar .v{font-family:"IBM Plex Mono",monospace;font-size:13.5px;font-weight:500;color:#fff;white-space:nowrap}
.chart .bar.empty .v{color:var(--mut)}
.chart .mt{font-size:12px;color:#3b4a58;line-height:1.5;text-align:right}
.chart .mt b{color:var(--orange);font-family:"IBM Plex Mono",monospace}
.chart .mt .mut{color:var(--mut)}
.chart.band .row{grid-template-columns:104px 1fr 92px;padding:6px 0}
.chart.band .track{height:26px}
.chart.vol{display:flex;gap:26px;align-items:flex-end;justify-content:center;padding:22px 20px 14px}
.chart.vol .col{flex:1;max-width:150px;text-align:center}
.chart.vol .stack{display:flex;gap:6px;align-items:flex-end;height:170px}
.chart.vol .b{flex:1;border-radius:5px 5px 0 0;height:var(--h);display:flex;align-items:flex-start;justify-content:center;padding-top:5px;
  animation:rise .85s cubic-bezier(.22,1,.36,1) both;animation-delay:var(--d,0ms)}
.chart.vol .b.official{background:var(--navy)}.chart.vol .b.lvr{background:var(--teal)}
.chart.vol .b span{font-family:"IBM Plex Mono",monospace;font-size:11.5px;color:#fff}
.chart.vol .x{font-size:12.5px;color:var(--mut);margin-top:8px}
.legend{font-size:12.5px;color:var(--mut);text-align:center;margin:-6px 0 14px}
.legend .sw{display:inline-block;width:11px;height:11px;border-radius:3px;margin-right:5px;vertical-align:-1px}
.legend .sw.official{background:var(--navy)}.legend .sw.lvr{background:var(--teal)}
@keyframes grow{from{width:0}to{width:var(--w)}}
@keyframes rise{from{height:0}to{height:var(--h)}}
@media(prefers-reduced-motion:reduce){.chart .bar,.chart.vol .b{animation:none}}
@media(max-width:620px){.chart .row{grid-template-columns:74px 1fr;gap:10px}.chart .mt{grid-column:2;text-align:left;margin-top:-4px}}
.hub-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;margin:20px 0}
.hub-card{background:#fff;border:1px solid var(--line);border-radius:11px;padding:16px 18px;display:block;color:inherit}
.hub-card:hover{border-color:var(--teal);text-decoration:none}
.hub-card b{font-size:17px;display:block;margin-bottom:6px}
.hub-card .m{font-family:"IBM Plex Mono",monospace;font-size:14px;color:var(--teal);font-weight:500;margin-bottom:4px}
.hub-card .m .u{font-size:11px;color:var(--mut);margin-left:5px}
.hub-card .s{font-size:12.5px;color:var(--mut)}
@media(max-width:600px){.method dl>div{grid-template-columns:1fr;gap:2px}}