/* 價投巨人的肩膀 — layout B (broadsheet), day palette 2 (ivory & ink blue), night palette 5 (night reading).
   Colour tokens: docs/04 §1.2b (every text token >= 4.5:1; up/down pair passes the CVD check). */
*{box-sizing:border-box}
:root{color-scheme:light;--bg:#F3F0EE;--surface:#FCFBFA;--surface2:#E8E3DE;--ink:#141413;--ink2:#3A3936;--muted:#5A5753;--line:#D1CDC7;--rule:#141413;--accent:#213183;--gold:#835A12;--gold-line:#C9A75A;--red:#AC1C0F;--green:#026335;
 --serif:"VG Serif","Noto Serif TC","Songti TC","PMingLiU",serif;--sans:"VG Sans","Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif}
html[data-pal="5"]{color-scheme:dark;--bg:#181715;--surface:#1F1E1B;--surface2:#252320;--ink:#FAF9F5;--ink2:#D6D3CC;--muted:#A09D96;--line:#3A3833;--rule:#FAF9F5;--accent:#9DBDEB;--gold:#D9AE58;--gold-line:#8C7440;--red:#E76346;--green:#0BAA92}
html[lang="zh-Hant-TW"]{--up:var(--red);--down:var(--green)}
html[lang="en"]{--up:var(--green);--down:var(--red)}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--serif);font-size:17px;line-height:1.75;-webkit-font-smoothing:antialiased}
.wrap{max-width:1200px;margin:0 auto;padding:0 40px}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,svg:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.chart a:focus-visible rect,.chart circle:focus-visible{stroke:var(--accent);stroke-width:3}
a,button,summary,input{touch-action:manipulation;-webkit-tap-highlight-color:rgba(33,49,131,.15)}
details>summary:hover{color:var(--ink)}
.num,.t,.kpi .s,.eyebrow,.meta,.legend,.nav,.tools,footer,.chip,.tag,.pill,.note,.crumbs{font-family:var(--sans)}
.num,.t td{font-variant-numeric:tabular-nums lining-nums}
.up{color:var(--up)}.down{color:var(--down)}.muted{color:var(--muted)}.gold{color:var(--gold)}
.tri{font-family:var(--sans);font-size:.62em;vertical-align:.18em;margin-right:.15em}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--gold)}
html[lang="en"] .eyebrow{letter-spacing:.14em}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:var(--bg);padding:8px 12px;z-index:9}
.skip:focus{left:8px}

/* masthead */
.site-head{border-bottom:0}
.head-row{position:relative;display:flex;flex-direction:column;align-items:center;gap:6px;padding-top:12px}
.brand{display:flex;flex-direction:column;align-items:center;line-height:1.1;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand-main{font-family:var(--serif);font-weight:700;font-size:clamp(30px,5.2vw,46px);letter-spacing:.1em}
html[lang="en"] .brand-main{letter-spacing:.02em}
.brand-sub{font-family:var(--sans);font-size:10.5px;font-weight:600;letter-spacing:.32em;color:var(--ink2);margin-top:8px;text-transform:uppercase}
/* tools sit on their own row above the masthead (also first in the page order), so the title always has room around it */
.tools{align-self:flex-end;display:flex;gap:10px;align-items:center;font-size:13px;margin-bottom:10px}
.tools a,.tools button{font:inherit;font-family:var(--sans);border:1px solid var(--line);background:transparent;color:var(--ink2);padding:5px 10px;cursor:pointer;min-height:32px;display:inline-flex;align-items:center;touch-action:manipulation}
.tools a:hover,.tools button:hover{color:var(--ink);border-color:var(--ink2);text-decoration:none}
.dateline{display:flex;justify-content:space-between;gap:16px;font-family:var(--sans);font-size:12px;color:var(--ink2);border-top:3px solid var(--rule);border-bottom:1px solid var(--rule);padding:7px 40px;margin-top:16px}
.nav{display:flex;justify-content:center;gap:26px;padding:10px 40px;border-bottom:1px solid var(--line);font-size:14px;font-weight:500;overflow-x:auto;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav a{color:var(--ink2);padding:6px 0;border-bottom:1.5px solid transparent;white-space:nowrap}
.nav a:hover{color:var(--ink);text-decoration:none}
.nav a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--gold)}
.searchbox{position:relative}
.searchbox input{font:inherit;font-family:var(--sans);font-size:13px;border:1px solid var(--line);background:var(--surface);color:var(--ink);padding:6px 10px;width:220px;min-height:32px}
.searchbox input::placeholder{color:var(--muted)}
.sresults{position:absolute;right:0;top:calc(100% + 4px);width:min(360px,90vw);background:var(--surface);border:1px solid var(--line);box-shadow:0 12px 28px rgba(0,0,0,.12);z-index:20;max-height:60vh;overflow:auto;font-family:var(--sans);font-size:14px}
.sresults[hidden]{display:none}
.sresults{overscroll-behavior:contain}
.sresults a span{min-width:0;overflow-wrap:anywhere}
.snone{padding:9px 12px}
.sresults a{display:flex;justify-content:space-between;gap:10px;padding:9px 12px;color:var(--ink);border-bottom:1px solid var(--line)}
.sresults a:hover,.sresults a[aria-selected="true"]{background:var(--surface2);text-decoration:none}
.sresults small{color:var(--muted)}

/* page header */
.page-head{padding-top:48px;padding-bottom:28px}
.page-head h1{font-family:var(--serif);font-size:clamp(30px,4.6vw,52px);font-weight:600;line-height:1.2;margin:12px 0 14px;text-wrap:balance}
.lede{font-size:18px;color:var(--ink2);margin:0;max-width:42em}
.crumbs{font-size:13px;color:var(--muted)}
.crumbs a{color:var(--ink2)}
.notice{font-family:var(--sans);font-size:13.5px;background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--gold);padding:10px 14px;margin:18px 0 0;color:var(--ink2)}
.hero{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:56px;align-items:end;padding-top:56px;padding-bottom:36px}
.hero h1{font-family:var(--serif);font-size:clamp(32px,5vw,58px);font-weight:600;line-height:1.2;margin:14px 0 18px;text-wrap:balance}
.brief{border-top:1px solid var(--rule);padding-top:14px;font-family:var(--sans)}
.brief .row{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:8px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--ink2)}
.brief .row b{font-weight:600;color:var(--ink)}
.prog{height:6px;background:var(--surface2);margin:10px 0 4px;position:relative}
.prog i{position:absolute;inset:0 auto 0 0;background:var(--accent)}
.prog svg{display:block}

/* key figures */
.kpis{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:12px}
.kpis.k4{grid-template-columns:repeat(4,minmax(0,1fr))}
.kpis.k3{grid-template-columns:repeat(3,minmax(0,1fr))}
.kpi{padding:20px 20px 18px;border-left:1px solid var(--line);min-width:0}
.kpi:first-child{border-left:0;padding-left:0}
.kpi .l{font-family:var(--sans);font-size:12.5px;color:var(--muted)}
.kpi .v{font-family:var(--serif);font-size:clamp(24px,2.8vw,36px);font-weight:600;line-height:1.15;margin:8px 0 4px;font-variant-numeric:lining-nums;overflow-wrap:anywhere}
.kpi .v small{font-family:var(--sans);font-size:13px;font-weight:500;color:var(--ink2);margin-left:4px}
.kpi .s{font-size:12.5px;color:var(--ink2)}

/* sections */
.sec{padding-top:52px}
.sec-head{display:grid;grid-template-columns:auto minmax(0,1fr);gap:22px;align-items:start;border-top:3px solid var(--rule);padding-top:20px;margin-bottom:22px}
.sec-no{font-family:var(--serif);font-size:36px;line-height:1;color:var(--gold);min-width:40px}
.sec-head h2{font-family:var(--serif);font-size:clamp(22px,2.6vw,30px);font-weight:600;line-height:1.3;margin:4px 0 6px;text-wrap:balance}
.sec-sub{margin:0;color:var(--ink2);max-width:46em;font-size:16px}
h3{font-family:var(--sans);font-size:15px;font-weight:600;margin:0 0 6px}
details.explain{margin:12px 0 0;font-size:15px;color:var(--ink2);background:var(--surface);border:1px solid var(--line);padding:10px 14px}
details.explain summary{cursor:pointer;font-family:var(--sans);font-size:13.5px;font-weight:600;color:var(--accent);min-height:28px;display:flex;align-items:center}
details.explain p{margin:8px 0 0}
.grid2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.card{border-top:1px solid var(--line);padding:16px 0 4px;min-width:0}
.note{font-size:12.5px;color:var(--muted);margin:8px 0 0}
.prose{max-width:44em}
.prose h2{font-family:var(--serif);font-size:24px;font-weight:600;margin:36px 0 8px}
.prose h3{font-family:var(--sans);font-size:16px;margin:24px 0 6px}
.prose p,.prose li{color:var(--ink2)}
.prose ul{padding-left:1.2em}

/* tables */
.tablecard{position:relative;overflow-x:auto;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch}
table.t{width:100%;border-collapse:collapse;font-size:14px}
.t caption{text-align:left;font-family:var(--sans);font-size:13px;color:var(--muted);padding:0 0 6px}
.t th{font-size:12px;font-weight:600;color:var(--muted);text-align:left;padding:9px 10px;border-bottom:1px solid var(--rule);white-space:nowrap;vertical-align:bottom}
.t th button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;text-align:inherit}
.t th button::after{content:" ↕";opacity:.35}
.t th[aria-sort="ascending"] button::after{content:" ▲";opacity:1}
.t th[aria-sort="descending"] button::after{content:" ▼";opacity:1}
.t td{padding:10px 10px;border-bottom:1px solid var(--line);vertical-align:middle}
.t td.r,.t th.r{text-align:right}
.t td.r,.t td.num{white-space:nowrap}
.t tbody tr:hover td{background:var(--surface)}
.t .co{min-width:170px}
.t .tk{display:inline-block;min-width:56px;font-weight:600;color:var(--accent)}
.t .en2{display:block;font-size:12px;color:var(--muted)}
.t .gl{white-space:nowrap}
.bar{display:inline-block;height:6px;background:var(--accent);opacity:.7;vertical-align:middle;margin-left:8px}
.chip{display:inline-flex;align-items:center;gap:3px;font-size:12.5px;font-weight:600;padding:1px 7px;background:var(--surface);border:1px solid var(--line);white-space:nowrap}
.tag{font-size:11.5px;font-weight:600;color:var(--gold);border:1px solid var(--gold-line);padding:0 7px;white-space:nowrap}
.pill{font-size:12px;color:var(--ink2);border:1px solid var(--line);padding:0 6px;white-space:nowrap}
.est{font-family:var(--sans);font-size:11px;color:var(--muted);border:1px solid var(--line);padding:0 4px;margin-left:4px;vertical-align:1px}
.list4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.mini{list-style:none;margin:0;padding:0;font-family:var(--sans);font-size:14px}
.mini li{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px solid var(--line)}
.mini li span:last-child{color:var(--ink2);white-space:nowrap;font-variant-numeric:tabular-nums}
.mini li span:first-child{min-width:0;overflow-wrap:anywhere}
@media (max-width:1100px){.list4{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* giant cards */
.gcards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.gcard{border:1px solid var(--line);background:var(--surface);padding:18px 18px 14px;display:flex;flex-direction:column;gap:8px;min-width:0}
.gcard .nm{font-family:var(--serif);font-size:20px;font-weight:600;line-height:1.25;color:var(--ink)}
.gcard .fm{font-family:var(--sans);font-size:12.5px;color:var(--muted)}
.gcard .st{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;font-family:var(--sans);border-top:1px solid var(--line);padding-top:8px}
.gcard .st div{font-size:11.5px;color:var(--muted)}.gcard .st b{display:block;font-size:15px;color:var(--ink);font-weight:600}

.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.small{font-size:13px}
.nw{white-space:nowrap}
.meta{font-family:var(--sans);font-size:13.5px;color:var(--ink2);margin:10px 0 0;line-height:1.8}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 14px}
a.chip{color:var(--ink2);min-height:32px;padding:3px 10px}
a.chip:hover{color:var(--ink);text-decoration:none;border-color:var(--ink2)}
details.more,details.hist{border-top:1px solid var(--line);padding:4px 0}
details.more>summary,details.hist>summary{cursor:pointer;font-family:var(--sans);font-size:14px;padding:10px 0;min-height:44px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
details.more>summary{color:var(--accent);font-weight:600}
details.hist[open]{padding-bottom:18px}
details.hist .t{font-size:13px}
.dot{stroke:var(--surface);stroke-width:1.5}
.c-mute-bg{background:var(--muted)}
.legend i.gold-dash{border-top-color:var(--gold)}
.prose.wide{max-width:none}
.prose.wide>p,.prose.wide>ul,.prose.wide>ol,.prose.wide>h2,.prose.wide>h3{max-width:44em}
.prose .kpis{margin:18px 0}
.prose code{font-family:ui-monospace,Consolas,monospace;font-size:.9em;background:var(--surface2);padding:0 4px}
.prose .tablecard{margin:12px 0 18px}
.prose-t td{vertical-align:top}
.prose h2[id],.prose h3[id]{scroll-margin-top:16px}

/* chart colour classes (SVG fills/strokes and legend swatches) */
.c-up{fill:var(--up)}.c-down{fill:var(--down)}.c-ink{fill:var(--ink)}.c-acc-f{fill:var(--accent)}
.c-acc{stroke:var(--accent)}.c-gold{stroke:var(--gold)}.c-mute{stroke:var(--muted)}.c-gold-s{stroke:var(--gold)}
.ln{fill:none;stroke-width:2;stroke-linejoin:round;stroke-linecap:round}
.ln.dash{stroke-dasharray:6 4}
path.c-acc.a-fill{fill:var(--accent);opacity:.08;stroke:none}
.hit{fill:transparent}
.st{stroke:var(--bg);stroke-width:1}
.c-up-bg{background:var(--up)}.c-down-bg{background:var(--down)}.c-ink-bg{background:var(--ink)}.c-acc-bg{background:var(--accent)}.c-gold-bg{background:var(--gold)}
.mbar{display:inline-block;vertical-align:middle;margin-left:8px;opacity:.75}
.cat1{fill:#213183;background:#213183}.cat2{fill:#835A12;background:#835A12}.cat3{fill:#026335;background:#026335}.cat4{fill:#8A3B8F;background:#8A3B8F}
.cat5{fill:#1C6E8C;background:#1C6E8C}.cat6{fill:#9C4A1A;background:#9C4A1A}.cat7{fill:#5B6B2E;background:#5B6B2E}.cat8{fill:#8C8780;background:#8C8780}
html[data-pal="5"] .cat1{fill:#9DBDEB;background:#9DBDEB}html[data-pal="5"] .cat2{fill:#D9AE58;background:#D9AE58}html[data-pal="5"] .cat3{fill:#0BAA92;background:#0BAA92}html[data-pal="5"] .cat4{fill:#C99BD6;background:#C99BD6}
html[data-pal="5"] .cat5{fill:#6CC3E0;background:#6CC3E0}html[data-pal="5"] .cat6{fill:#E39A6B;background:#E39A6B}html[data-pal="5"] .cat7{fill:#B5C47A;background:#B5C47A}html[data-pal="5"] .cat8{fill:#8C8780;background:#8C8780}
/* treemap and heat-map shading: same hue as up/down, three steps */
.tm-flat{fill:var(--surface2);background:var(--surface2)}
.tm-up1{fill:color-mix(in srgb,var(--up) 22%,var(--surface));background:color-mix(in srgb,var(--up) 22%,var(--surface))}
.tm-up2{fill:color-mix(in srgb,var(--up) 48%,var(--surface));background:color-mix(in srgb,var(--up) 48%,var(--surface))}
.tm-up3{fill:color-mix(in srgb,var(--up) 80%,var(--surface));background:color-mix(in srgb,var(--up) 80%,var(--surface));color:#fff}
.tm-down1{fill:color-mix(in srgb,var(--down) 22%,var(--surface));background:color-mix(in srgb,var(--down) 22%,var(--surface))}
.tm-down2{fill:color-mix(in srgb,var(--down) 48%,var(--surface));background:color-mix(in srgb,var(--down) 48%,var(--surface))}
.tm-down3{fill:color-mix(in srgb,var(--down) 80%,var(--surface));background:color-mix(in srgb,var(--down) 80%,var(--surface));color:#fff}
.tm text.tm-l{fill:var(--ink);font-weight:600;font-size:11px}.tm text.tm-big{font-size:13px}
.tm text.tm-s{fill:var(--ink2);font-size:10.5px}
.tm .tm-up3+text.tm-l,.tm .tm-down3+text.tm-l,.tm .tm-up3~text,.tm .tm-down3~text{fill:#fff}
.legend i.tm-up3,.legend i.tm-down3,.legend i.tm-flat{border:1px solid var(--line)}

/* charts */
.chart{position:relative}
.chart svg{display:block;width:100%;height:auto;overflow:visible}
svg text{font-family:var(--sans);font-size:11.5px;fill:var(--muted)}
svg .grid{stroke:var(--line);stroke-width:1}
svg .base{stroke:var(--ink2);stroke-width:1}
svg .lbl{fill:var(--ink);font-weight:600;font-size:12px}
svg .ink{fill:var(--ink)}
svg [data-tip]{cursor:default}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:12.5px;color:var(--ink2);margin:2px 0 8px}
.legend i{display:inline-block;width:10px;height:10px;margin-right:6px;vertical-align:-1px}
.legend i.ln{height:2px;width:16px;vertical-align:3px}
.legend i.dash{height:0;width:16px;border-top:2px dashed var(--muted);vertical-align:3px}
.tip{position:absolute;pointer-events:none;background:var(--ink);color:var(--bg);font-family:var(--sans);font-size:12.5px;line-height:1.45;padding:6px 9px;max-width:260px;z-index:10;white-space:pre-line}
.tip[hidden]{display:none}
.tm a:hover rect{opacity:.85}
.heat td{text-align:center;font-family:var(--sans);font-size:12px;padding:6px 4px;border:2px solid var(--bg);min-width:44px}
.heat th{font-size:12px;font-weight:600;color:var(--muted);padding:4px 6px;text-align:left;white-space:nowrap}
.scroll-x{overflow-x:auto;-webkit-overflow-scrolling:touch}

/* topic */
.case{border-top:1px solid var(--line);padding:18px 0 6px}
.case h3{font-family:var(--serif);font-size:21px;font-weight:600;margin:0 0 4px}
.case .facts{display:flex;flex-wrap:wrap;gap:6px 16px;font-family:var(--sans);font-size:13.5px;color:var(--ink2);margin:6px 0}
.case p{margin:6px 0;color:var(--ink2)}
.cmp td:first-child{font-weight:600}
.basis{margin:16px 0 0;font-family:var(--sans);font-size:14px;color:var(--ink2);border:1px solid var(--line);background:var(--surface);padding:12px 16px}
.basis-h{font-family:var(--sans);font-size:14px;font-weight:600;margin:0 0 4px;color:var(--ink)}
.basis ul{margin:0;padding-left:1.1em}.basis li{margin:4px 0;overflow-wrap:anywhere}
.case{max-width:none}
.case .tablecard{margin:8px 0 4px}
.case .case-one{max-width:760px}
.case-facts{margin:10px 0 4px;padding-left:1.2em;color:var(--ink2)}
.case-facts li{margin:4px 0}
.src{font-family:var(--sans);font-size:12.5px;color:var(--muted)}
.src a{color:var(--muted);text-decoration:underline;text-underline-offset:2px}

/* footer */
footer{margin-top:72px;border-top:1px solid var(--rule);padding:28px 0 56px;font-size:13px;color:var(--muted)}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px}
footer b{color:var(--ink);font-weight:600}
footer a{color:var(--ink2)}
footer ul{list-style:none;margin:6px 0 0;padding:0}
footer li{margin:4px 0}
.copy{font:inherit;border:1px solid var(--line);background:var(--surface);color:var(--ink2);padding:2px 8px;margin-left:6px;cursor:pointer;min-height:28px;touch-action:manipulation}
.desk-only{display:revert}.mob-only{display:none}

@media (max-width:980px){
 .kpis{grid-template-columns:repeat(3,minmax(0,1fr))}.kpis.k4{grid-template-columns:repeat(2,minmax(0,1fr))}
 .kpi:nth-child(4){border-left:0;padding-left:0}
 .list4,.grid4{grid-template-columns:repeat(2,minmax(0,1fr))}
 .gcards{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
 .wrap{padding:0 16px}
 .head-row{padding-top:14px}
 .tools{align-self:stretch;margin:0 0 12px;gap:8px}
 .searchbox{flex:1 1 auto;min-width:0}
 .searchbox input{width:100%;min-height:44px;font-size:16px}
 .tools>button,.tools>a{flex:none}
 .dateline{padding:7px 16px;font-size:11.5px}
 .nav{justify-content:flex-start;gap:20px;padding:8px 16px}
 .nav a{padding:10px 0}
 .hero{grid-template-columns:1fr;gap:20px;padding-top:32px}
 .page-head{padding-top:32px}
 .kpis,.kpis.k3{grid-template-columns:repeat(2,minmax(0,1fr))}
 .kpi{padding:14px 12px 12px}
 .kpi:nth-child(odd){border-left:0;padding-left:0}.kpi:nth-child(4){border-left:1px solid var(--line);padding-left:12px}
 .grid2,.grid3,.gcards,footer .cols{grid-template-columns:minmax(0,1fr)}
 .sec{padding-top:40px}
 .sec-head{gap:12px}.sec-no{font-size:26px;min-width:26px}
 .t .hide-m{display:none}
 .desk-only{display:none}.mob-only{display:revert}
 .scroll-x svg{min-width:640px}
 .tools a,.tools button,.copy,details.explain summary{min-height:44px}
}
@media (max-width:480px){
 body{font-size:16px}
 .list4,.grid4{grid-template-columns:minmax(0,1fr)}
 .kpi .v{font-size:24px}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media print{.tools,.nav,.skip,.searchbox{display:none}body{background:#fff;color:#000}}