/* GUI site. One left-aligned column on paper, hairline rules, no decoration.
   Colours come from Identity System 01; dark mode is its own palette, not an inversion. */
@font-face{font-family:"Inter";src:url("/fonts/inter-latin-var.woff2") format("woff2");font-weight:400 700;font-style:normal;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url("/fonts/plex-mono-400.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url("/fonts/plex-mono-500.woff2") format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"GUI Han";src:url("/fonts/noto-sans-sc-gui.woff2") format("woff2");font-weight:400 600;font-display:swap}

:root{
  --paper:#F5F3EE;--white:#FFFFFF;--ink:#18232D;--slate:#65717C;--blue:#365A73;--line:#D6D8D9;
  --hover:#ECE9E2;--ok:#2E6A4F;--bad:#9A3A2C;--wait:#7A5B12;--scrim:rgba(24,35,45,.32);
  --sans:"Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --han:"GUI Han","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){
  --paper:#12181D;--white:#1A2128;--ink:#E8E5DE;--slate:#97A2AB;--blue:#8DB3CF;--line:#2B343C;
  --hover:#1C242B;--ok:#7CC3A0;--bad:#E89C8E;--wait:#D9B65E;--scrim:rgba(0,0,0,.55);color-scheme:dark}}
:root[data-theme=dark]{
  --paper:#12181D;--white:#1A2128;--ink:#E8E5DE;--slate:#97A2AB;--blue:#8DB3CF;--line:#2B343C;
  --hover:#1C242B;--ok:#7CC3A0;--bad:#E89C8E;--wait:#D9B65E;--scrim:rgba(0,0,0,.55);color-scheme:dark}

*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;min-height:100vh;display:flex;flex-direction:column;background:var(--paper);color:var(--ink);font:400 15px/1.5 var(--sans)}
td.num,th.num,dl.kv dd,.num,.sync,.count,.pager{font-variant-numeric:tabular-nums}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding-inline:24px}
@media (max-width:640px){.wrap{padding-inline:16px}}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--paper);padding:6px 10px}
.skip:focus{left:8px;z-index:10}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.mono{font-family:var(--mono);font-size:13px}
.muted{color:var(--slate)}
.ink{color:var(--ink)}
[lang=zh-Hans]{font-family:var(--han)}
h1,h2,h3{margin:0;font-weight:600;text-wrap:balance}
h1{font-size:28px;line-height:1.2;letter-spacing:-.02em}
h1 .sub{font-size:17px;font-weight:400;color:var(--slate);letter-spacing:0;margin-left:6px;white-space:nowrap}
h2{font-size:17px;line-height:1.3}
h3{font-size:15px}
p{margin:0}
b,strong{font-weight:600}

/* Header */
.site-head{border-bottom:1px solid var(--line)}
.top{display:flex;align-items:center;gap:20px;padding-block:14px}
.brand{display:flex;align-items:center;gap:.36em;color:var(--ink);font-weight:700;font-size:20px;line-height:1;letter-spacing:-.01em;white-space:nowrap}
.brand:hover{text-decoration:none}
/* The mark from the brand sheet: the ghost, glitching into 鬼 and back every 12 s. Reduced motion keeps the ghost. */
.logo{display:grid;flex:none;place-items:center;width:1em;height:1em;color:var(--slate)}
.logo svg{grid-area:1/1;height:.97em;fill:currentColor}
.logo .ghost{animation:ghost 12s step-end infinite}
.logo .sign{opacity:0;animation:sign 12s step-end infinite}
@keyframes ghost{
  0%{opacity:1;clip-path:none;transform:none}
  58%{opacity:1;clip-path:inset(0 0 50% 0);transform:translateX(.1em)}
  58.5%{opacity:1;clip-path:inset(46% 0 0 0);transform:translateX(-.08em)}
  59%{opacity:0}
  98%{opacity:1;clip-path:inset(54% 0 0 0);transform:translateX(-.1em)}
  98.5%{opacity:1;clip-path:inset(0 0 58% 0);transform:translateX(.08em)}
  99%{opacity:1;clip-path:none;transform:translateX(.03em)}
  99.5%{opacity:1;clip-path:none;transform:none}}
@keyframes sign{
  0%{opacity:0}
  58%{opacity:1;clip-path:inset(52% 0 0 0);transform:translateX(-.1em)}
  58.5%{opacity:1;clip-path:inset(0 0 56% 0);transform:translateX(.08em)}
  59%{opacity:1;clip-path:none;transform:translateX(-.03em)}
  59.5%{opacity:1;clip-path:none;transform:none}
  98%{opacity:1;clip-path:inset(0 0 48% 0);transform:translateX(.1em)}
  98.5%{opacity:1;clip-path:inset(44% 0 0 0);transform:translateX(-.08em)}
  99%{opacity:0}}
/* The Ø mark of the 0RC standards (identity sheet) before their page titles, centred on the capitals. */
.omark{width:1.2em;height:1.2em;vertical-align:-.236em;margin-right:.32em;fill:var(--ink)}
.search{flex:1;display:flex;min-width:0;position:relative}
.search input{flex:1;min-width:0;height:38px;padding:0 36px 0 12px;border:1px solid var(--line);border-radius:4px;background:var(--white);color:var(--ink);font:400 14px var(--sans)}
.search input::placeholder{color:var(--slate)}
.search input:focus{outline:none;border-color:var(--blue)}
.kbd{position:absolute;right:10px;top:50%;transform:translateY(-50%);font:500 11px var(--mono);color:var(--slate);border:1px solid var(--line);border-radius:3px;padding:1px 5px;pointer-events:none}
.tools{display:flex;gap:16px;align-items:center;white-space:nowrap}
.account{display:inline-flex;gap:10px;align-items:center}
button.link{background:none;border:0;padding:0;font:inherit;font-size:14px;color:var(--blue);cursor:pointer}
button.link:hover:not(:disabled){text-decoration:underline;text-underline-offset:3px}
button.link:disabled{color:var(--slate);cursor:default}
.navrow{display:flex;align-items:flex-end;gap:16px}
.main-nav{display:flex;gap:28px;overflow-x:auto;scrollbar-width:none}
.main-nav a{display:inline-block;padding:10px 0 11px;color:var(--slate);font-weight:500;font-size:14px;border-bottom:2px solid transparent;white-space:nowrap}
.main-nav a:hover{color:var(--ink);text-decoration:none}
.main-nav a[aria-current=page]{color:var(--ink);border-bottom-color:var(--ink)}
.sync{margin-left:auto;padding:10px 0 11px;font-size:13px;color:var(--slate);white-space:nowrap}
.sync:hover{color:var(--ink);text-decoration:none}
.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--slate);margin-right:7px;vertical-align:1px}
.sync.ok .dot{background:var(--ok)} .sync.lag .dot{background:var(--wait)} .sync.down .dot{background:var(--bad)}
@media (max-width:760px){.kbd{display:none}.top{flex-wrap:wrap}.search{order:3;flex-basis:100%}.tools{margin-left:auto}.sync{display:none}}
.banner{margin-top:16px;padding:10px 0 10px 12px;border-left:2px solid var(--bad);font-size:14px}

/* Page */
main{flex:1 0 auto;padding-block:32px 64px}
main:focus{outline:none}
.crumbs{font-size:13px;color:var(--slate);margin-bottom:8px}
.head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:20px}
.head p{color:var(--slate);margin-top:6px;max-width:64ch}
.head h1{overflow-wrap:anywhere}
.desc{display:block;white-space:pre-line}
.section{margin-top:40px}
.section>h2{margin-bottom:12px}
.two{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:48px;align-items:start}
.two>*{min-width:0}
.two.wide{grid-template-columns:minmax(0,2.4fr) minmax(0,1fr)}
@media (max-width:900px){.two,.two.wide{grid-template-columns:1fr;gap:32px}}
@media (max-width:640px){.ops th:nth-child(3),.ops td:nth-child(3),.ops th:nth-child(5),.ops td:nth-child(5),.hide-sm{display:none}}
@media (max-width:480px){#account-label{display:none}.top{gap:12px}}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.note{font-size:13px;color:var(--slate)}
.gap{margin-top:12px}.gap2{margin-top:20px}
.lead{font-size:15px;max-width:56ch}
.lead b{white-space:nowrap}

/* Controls */
.btn{display:inline-flex;align-items:center;justify-content:center;height:36px;padding:0 14px;border-radius:4px;border:1px solid var(--line);background:var(--white);color:var(--ink);font:500 14px var(--sans);cursor:pointer;white-space:nowrap;text-decoration:none}
.btn:hover:not(:disabled){border-color:var(--slate);text-decoration:none}
.btn.primary{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.btn.primary:hover:not(:disabled){opacity:.9}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.sm{height:28px;padding:0 10px;font-size:13px;min-width:64px}
.btn.block{width:100%;height:42px}
.btn.wide{min-width:120px}
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.filters input[type=search],.filters select{height:34px;max-width:100%;padding:0 10px;border:1px solid var(--line);border-radius:4px;background:var(--white);color:var(--ink);font:400 14px var(--sans)}
.filters input[type=search]{width:220px}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:4px;overflow:hidden}
.seg button{height:32px;padding:0 12px;border:0;background:var(--white);color:var(--slate);font:500 13px var(--sans);cursor:pointer}
.seg button+button{border-left:1px solid var(--line)}
.seg button[aria-pressed=true]{background:var(--ink);color:var(--paper)}
.count{font-size:13px;color:var(--slate);margin-left:auto}
.pager{display:flex;gap:10px;align-items:center;justify-content:flex-end;margin-top:12px;font-size:13px;color:var(--slate)}

/* Tables */
.tbl{overflow-x:auto;border-top:1px solid var(--line)}
table{width:100%;border-collapse:collapse;font-size:14px}
th{font-weight:500;font-size:12.5px;color:var(--slate);text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
th button{all:unset;cursor:pointer}
th button:hover{color:var(--ink)}
th[aria-sort] button::after{content:" ↓";color:var(--ink)}
th[aria-sort=ascending] button::after{content:" ↑"}
td{padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:middle;white-space:nowrap}
td.wrapcell{white-space:normal}
.num{text-align:right}
th:first-child,td:first-child{padding-left:0}
th:last-child,td:last-child{padding-right:0}
tr.click{cursor:pointer}
tr.click:hover td,tr.click:focus-visible td{background:var(--hover)}
.tick{font-weight:600;letter-spacing:.01em}
a.tick{color:var(--ink)}
.only-sm{display:none}
@media (max-width:640px){.only-sm{display:block;font-size:13px;color:var(--slate);margin-top:1px}}
.tag{display:inline-block;font-size:12px;font-weight:500;color:var(--blue);border:1px solid currentColor;border-radius:3px;padding:0 5px;margin-left:8px;vertical-align:1px}
.state{font-size:13px;color:var(--slate);white-space:nowrap}
.state.ok{color:var(--ok)}
.bar{display:inline-block;width:64px;height:4px;background:var(--line);vertical-align:middle;margin-left:10px;position:relative}
.bar i{position:absolute;inset:0 auto 0 0;background:var(--ink)}
.empty{padding:24px 0;color:var(--slate);border-bottom:1px solid var(--line)}

/* States */
.v{font-size:13px;font-weight:500;white-space:nowrap}
.v.ok{color:var(--ok)}.v.bad{color:var(--bad)}.v.wait{color:var(--wait)}
.v.ok::before{content:"✓ "}.v.bad::before{content:"✕ "}.v.wait::before{content:"◷ "}
.v.part{color:var(--wait)}.v.part::before{content:"! "}
.warn{border-left:2px solid var(--wait);padding:8px 0 8px 12px;font-size:14px;margin-top:12px}
.warn.bad{border-left-color:var(--bad)}
.err{color:var(--bad)}

/* Key/value */
dl.kv{display:grid;grid-template-columns:minmax(140px,220px) minmax(0,1fr);margin:0;border-top:1px solid var(--line)}
dl.kv dt,dl.kv dd{padding:10px 0;border-bottom:1px solid var(--line);margin:0}
dl.kv dt{color:var(--slate);font-size:14px;padding-right:16px}
dl.kv dd{min-width:0;overflow-wrap:anywhere}
@media (max-width:560px){dl.kv{grid-template-columns:1fr}dl.kv dt{border-bottom:0;padding-bottom:0}}
.copy{margin-left:8px;font-size:12.5px}
details.raw{margin-top:16px}
details.raw summary{cursor:pointer;color:var(--blue);font-size:14px}
pre.code{margin:10px 0 0;padding:12px;background:var(--white);border:1px solid var(--line);border-radius:4px;overflow:auto;max-height:420px;font:400 12.5px/1.5 var(--mono);white-space:pre-wrap;overflow-wrap:anywhere}

/* Forms */
form.f{display:grid;gap:18px;max-width:560px}
.fld{display:grid;gap:6px}
.fld>span:first-child{font-weight:500;font-size:14px}
.fld>.seg{justify-self:start}
.fld small{color:var(--slate);font-size:13px}
.fld small.err{color:var(--bad)}
.fld input,.fld select,.fld textarea{width:100%;min-height:38px;padding:8px 10px;border:1px solid var(--line);border-radius:4px;background:var(--white);color:var(--ink);font:400 14px var(--sans)}
.fld input.mono,.fld textarea.mono{font:400 13px var(--mono)}
.fld input.ticker{text-transform:uppercase;font-weight:600;letter-spacing:.02em}
.fld textarea{resize:vertical}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:none;border-color:var(--blue)}
.fld [aria-invalid=true]{border-color:var(--bad)}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start}
@media (max-width:480px){.pair{grid-template-columns:1fr}}
.fld>div>.btn{justify-self:start}
.side{border-top:2px solid var(--ink)}
.side>h2{padding:12px 0 4px}
.side>.lead{padding:4px 0 14px}
.steps{list-style:none;margin:16px 0 0;padding:0;border-top:1px solid var(--line)}
.steps li{display:grid;grid-template-columns:22px 1fr;gap:10px;padding:9px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--slate)}
.steps li.done{color:var(--ink)}.steps li.now{color:var(--ink);font-weight:500}.steps li.fail{color:var(--bad)}
.steps li .s{text-align:center}
.steps li.done .s{color:var(--ok)}

/* Market pages: figures, then the chart, then listings and sales */
.sechead{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.figs{display:flex;gap:16px 44px;flex-wrap:wrap;margin:0 0 8px}
.fig span{display:block;font-size:13px;color:var(--slate)}
.fig b{display:block;font-size:26px;font-weight:600;letter-spacing:-.02em;margin-top:2px;font-variant-numeric:tabular-nums}
.fig b small{font-size:13px;font-weight:400;color:var(--slate);letter-spacing:0;margin-left:5px}
.fig .meter{width:160px;margin-top:6px}
.meter{height:4px;background:var(--line);position:relative;margin-top:8px}
.meter i{position:absolute;inset:0 auto 0 0;background:var(--ink)}
.row.spread{justify-content:space-between}
@media (max-width:640px){.figs{gap:16px 28px}.fig b{font-size:22px}}

/* Price chart: one axis, a 2px line, dots with a larger hit area */
.chart{position:relative;padding:0 0 30px 52px}
.plot{position:relative;height:240px;border-bottom:1px solid var(--line)}
.plot>.grid{position:absolute;left:0;right:0;height:0;border-top:1px solid var(--line)}
.ylab{position:absolute;left:-52px;width:44px;text-align:right;transform:translateY(-50%);font-size:12px;color:var(--slate);font-variant-numeric:tabular-nums;white-space:nowrap}
.xlab{position:absolute;top:calc(100% + 7px);transform:translateX(-50%);font-size:12px;color:var(--slate);white-space:nowrap}
.plot svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none}
.plot .line{fill:none;stroke:var(--blue);stroke-width:2;stroke-linejoin:round;stroke-linecap:round;vector-effect:non-scaling-stroke}
.ref{position:absolute;left:0;right:0;height:0;border-top:1px solid var(--slate)}
.key{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--slate);font-variant-numeric:tabular-nums}
.key i{width:16px;border-top:1px solid var(--slate)}
.pt{position:absolute;width:24px;height:24px;margin:-12px 0 0 -12px;border:0;padding:0;background:none;cursor:pointer;display:grid;place-items:center}
.pt i{width:10px;height:10px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 2px var(--paper)}
.pt.on i{width:13px;height:13px}
.cross{position:absolute;top:0;bottom:0;width:0;border-left:1px solid var(--slate);pointer-events:none}
.tip{position:absolute;top:6px;width:min(230px,100%);padding:8px 10px;background:var(--white);border:1px solid var(--line);border-radius:4px;font-size:13px;pointer-events:none;z-index:2}
.tip b{display:block;font-size:15px}
.tip span{display:block;color:var(--slate)}
.chartempty{position:absolute;inset:0;display:grid;place-items:center;color:var(--slate);font-size:14px}
@media (max-width:640px){.chart{padding-left:40px}.ylab{left:-40px;width:34px}.plot{height:180px}}

/* Sheets: one task over the page, from the right; from the bottom on phones */
body.sheet-open{overflow:hidden}
.scrim{position:fixed;inset:0;background:var(--scrim);z-index:20}
.sheet{position:fixed;top:0;right:0;bottom:0;width:440px;max-width:100%;background:var(--paper);border-left:1px solid var(--line);z-index:21;overflow-y:auto;padding:22px 28px 32px;display:grid;gap:18px;align-content:start}
.sheethead{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.sheethead h2{font-size:20px}
.sheetbody{display:grid;gap:18px}
.sheet form.f{max-width:none}
.picks{display:flex;gap:16px;flex-wrap:wrap;margin-top:-8px}
.picks .link{font-size:13px}
.sum{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px 0}
.sum b{display:block;font-size:22px;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.sum span{font-size:13px;color:var(--slate)}
.plan{margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}
.plan li{display:grid;grid-template-columns:22px 1fr;gap:8px;padding:9px 0;border-bottom:1px solid var(--line);font-size:14px}
.plan li small{display:block;color:var(--slate);font-size:13px}
.plan .s{color:var(--slate);text-align:center;font-variant-numeric:tabular-nums}
.sheet .warn{margin-top:0}
.sheet .preview{width:160px;margin:0}
@media (max-width:640px){.sheet{top:auto;left:0;width:auto;max-height:92vh;border-left:0;border-top:1px solid var(--line);border-radius:12px 12px 0 0;padding:16px 16px 24px;gap:14px}}

/* Footer */
.site-foot{border-top:1px solid var(--line);padding-block:20px 32px;font-size:13px;color:var(--slate)}
.site-foot .wrap{display:flex;gap:24px;flex-wrap:wrap;justify-content:space-between}
.motto{color:var(--ink);font-weight:500}
.foot-links{display:flex;gap:16px;flex-wrap:wrap}
.gl{display:inline-block}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
@media print{.site-head,.site-foot,.btn,.sheet,.scrim{display:none}}