:root{--bg:#fbfbf9;--surface:#fff;--ink:#14212e;--muted:#5d6b78;--line:#e2e5e8;--line-strong:#b9c1c9;--accent:#17557f;--accent-ink:#fff;--notice:#fff5da;--notice-ink:#5e4600;color-scheme:light}
@media (prefers-color-scheme:dark){:root{--bg:#10161c;--surface:#171f27;--ink:#e6eaee;--muted:#9aa7b3;--line:#2a343e;--line-strong:#46525e;--accent:#79b8e2;--accent-ink:#10161c;--notice:#3a2f10;--notice-ink:#f3dfa5;color-scheme:dark}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif}
a{color:var(--accent);text-underline-offset:2px}
h1,h2,h3{line-height:1.25;font-weight:650;margin:0}
h1{font-size:30px;letter-spacing:-.01em;margin:8px 0 10px}
h2{font-size:18px;margin:0 0 10px}
h3{font-size:15px;margin:0 0 6px}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.muted{color:var(--muted);font-size:14px}
.lede{font-size:18px;color:var(--muted);max-width:680px;margin:0 0 18px}
.top{background:var(--surface);border-bottom:1px solid var(--line)}
.top-row{display:flex;align-items:center;gap:18px;min-height:56px;flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
.logo{font-weight:750;font-size:20px;color:var(--ink);text-decoration:none;letter-spacing:-.02em}
.top-search{flex:1 1 200px;min-width:0}
.top-search input,.hero-search input{width:100%;background:var(--surface);color:var(--ink);border:1px solid var(--line-strong);border-radius:6px;padding:7px 11px;font:inherit;font-size:14px}
.top-nav{display:flex;gap:14px;font-size:14px;flex-wrap:wrap}
.top-nav a{color:var(--muted);text-decoration:none}
.top-nav a:hover{color:var(--ink)}
main.wrap{padding-top:22px;padding-bottom:50px}
.hero{padding:26px 0 8px;max-width:760px}
.hero h1{font-size:38px}
.hero-search input{padding:13px 15px;font-size:17px}
input:focus-visible,button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.results{margin-top:10px;background:var(--surface);border-radius:6px}
.results:not(:empty){border:1px solid var(--line);padding:4px 12px}
.results a{display:block;padding:8px 0;border-bottom:1px solid var(--line);text-decoration:none}
.results a:last-child{border-bottom:0}
.results small{display:block;color:var(--muted)}
.results p{margin:8px 0}
.section{margin-top:40px}
.areas{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px}
.plain{list-style:none;margin:0;padding:0}
.plain li{padding:3px 0}
.rows{list-style:none;margin:0;padding:0}
.rows li{display:flex;justify-content:space-between;flex-wrap:wrap;gap:2px 16px;padding:9px 0;border-bottom:1px solid var(--line)}
.row-meta{color:var(--muted);font-size:14px;font-variant-numeric:tabular-nums}
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(165px,1fr));gap:10px}
.tile{display:flex;flex-direction:column;gap:3px;background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:12px;text-decoration:none;color:inherit}
.tile:hover{border-color:var(--line-strong)}
.tile-name{font-size:13px;color:var(--muted);line-height:1.3;min-height:34px}
.tile-value{font-size:22px;font-weight:650;font-variant-numeric:tabular-nums}
.callout{padding:18px;background:var(--surface);border:1px solid var(--line);border-radius:6px}
.callout p{margin:0}
.crumb{font-size:14px;color:var(--muted)}
.crumb a{color:var(--muted)}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:34px;margin-top:6px}
@media (max-width:820px){.layout{grid-template-columns:minmax(0,1fr)}}
.ind-title{font-size:26px}
.latest{margin:16px 0 8px}
.big{font-size:38px;font-weight:650;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.unit{font-size:15px;color:var(--muted);margin-right:8px}
.notice{background:var(--notice);color:var(--notice-ink);padding:9px 12px;border-radius:6px;font-size:14px}
.ranges{display:none;gap:4px;margin:8px 0}
.js .ranges{display:flex}
.ranges button{border:1px solid var(--line-strong);background:var(--surface);color:var(--ink);padding:4px 11px;border-radius:5px;font:inherit;font-size:13px;cursor:pointer}
.ranges button[aria-pressed=true]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.chart-box{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:10px 8px 4px;margin-bottom:26px}
.chart{display:block;width:100%;height:auto;touch-action:pan-y}
.grid{stroke:var(--line);stroke-width:1;vector-effect:non-scaling-stroke}
.zero{stroke:var(--line-strong);stroke-width:1;vector-effect:non-scaling-stroke}
.tick{fill:var(--muted);font-size:11px;font-variant-numeric:tabular-nums}
.line{fill:none;stroke:var(--accent);stroke-width:2;vector-effect:non-scaling-stroke;stroke-linecap:round;stroke-linejoin:round}
.iso{fill:var(--accent)}
.end{fill:var(--accent);stroke:var(--surface);stroke-width:2}
.cross{stroke:var(--line-strong);stroke-width:1}
.dot{fill:var(--accent);stroke:var(--surface);stroke-width:2}
.tip{position:absolute;top:8px;background:var(--ink);color:var(--bg);padding:4px 8px;border-radius:4px;font-size:12px;white-space:nowrap;pointer-events:none;font-variant-numeric:tabular-nums}
.table-box{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px;font-variant-numeric:tabular-nums}
th,td{text-align:left;padding:7px 10px 7px 0;border-bottom:1px solid var(--line);vertical-align:top}
td:first-child,td:nth-child(3){white-space:nowrap}
.wrap-first td:first-child{white-space:normal}
th{font-weight:600;color:var(--muted);font-size:13px}
.num{text-align:right}
.revised{display:block;font-size:12px;color:var(--muted)}
.js tr.more{display:none}
.js table.all tr.more{display:table-row}
.show-all{display:none}
.js .show-all{display:inline-block;margin-top:10px;background:none;border:0;color:var(--accent);font:inherit;font-size:14px;cursor:pointer;padding:0;text-decoration:underline}
.side section{padding-bottom:16px;margin-bottom:16px;border-bottom:1px solid var(--line)}
.side section:last-child{border:0}
.side h2{font-size:14px;margin-bottom:6px}
.side p{margin:0 0 7px;font-size:14px}
.btn{display:inline-block;padding:6px 12px;border:1px solid var(--accent);border-radius:5px;color:var(--accent);background:transparent;font:inherit;font-size:14px;text-decoration:none;margin:0 4px 6px 0;cursor:pointer}
.png{display:none}
.js .png{display:inline-block}
.cite{background:var(--bg);border:1px solid var(--line);padding:8px;border-radius:5px;font-size:13px!important;overflow-wrap:anywhere}
.link{background:none;border:0;color:var(--accent);font:inherit;font-size:13px;cursor:pointer;padding:0;text-decoration:underline}
.copy{display:none}
.js .copy{display:inline}
.prose{max-width:700px}
.prose h2{margin-top:28px}
.foot{border-top:1px solid var(--line);color:var(--muted);font-size:13px}
.foot-row{display:flex;justify-content:space-between;flex-wrap:wrap;gap:6px 24px;padding-top:16px;padding-bottom:22px}
.foot p{margin:0}
@media (max-width:560px){.tick{font-size:21px}.chart-box{padding:6px 2px 2px}.wrap{padding:0 16px}.hero h1{font-size:29px}h1{font-size:25px}.big{font-size:32px}.top-search{order:3;flex-basis:100%}}