@font-face{font-family:'Fraunces';font-style:italic;font-weight:300 900;font-display:swap;src:url(fonts/fraunces-italic-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'Fraunces';font-style:italic;font-weight:300 900;font-display:swap;src:url(fonts/fraunces-italic-latin.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Fraunces';font-style:normal;font-weight:300 900;font-display:swap;src:url(fonts/fraunces-normal-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'Fraunces';font-style:normal;font-weight:300 900;font-display:swap;src:url(fonts/fraunces-normal-latin.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Source Serif 4';font-style:italic;font-weight:300 700;font-display:swap;src:url(fonts/source-serif-4-italic-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'Source Serif 4';font-style:italic;font-weight:300 700;font-display:swap;src:url(fonts/source-serif-4-italic-latin.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Source Serif 4';font-style:normal;font-weight:300 700;font-display:swap;src:url(fonts/source-serif-4-normal-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'Source Serif 4';font-style:normal;font-weight:300 700;font-display:swap;src:url(fonts/source-serif-4-normal-latin.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:"Plex Sans";font-style:normal;font-weight:500 600;font-display:swap;src:url(fonts/IBMPlexSans-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:"Plex Sans";font-style:normal;font-weight:500 600;font-display:swap;src:url(fonts/IBMPlexSans-latin.woff2) format("woff2");unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
/* ---------------------------------------------------------------- tokens */
:root{
  color-scheme:light;
  --bg:#f2ede2; --surface:#fbf8f1; --surface-2:#e8e1d2;
  --text:#191714; --text-2:#332f29; --muted:#4a453c;
  --line:#c3b9a6; --line-soft:#d9d1c0;
  --accent:#8a1810; --accent-ink:#ffffff;
  --hot:#b8301f; --hot-ink:#fff8f0;
  --land:#ded5c2; --circle:rgba(184,48,31,.78); --circle-line:#7c1c12; --band:rgba(25,23,20,.11); --year:rgba(184,48,31,.20);
  --g-usa:#d9cdb6; --g-sun:#8d8577; --g-none:transparent; --old:#6b6457; --new:#b8301f;
  --halo:rgba(242,237,226,.94);
  --shadow:0 1px 2px rgba(40,30,10,.08),0 10px 30px rgba(40,30,10,.12);
  --bar-h:3.1rem;
  --serif:"Fraunces","Songti SC","Noto Serif CJK SC","Source Han Serif SC","STSong","SimSun",Georgia,serif;
  --body:"Source Serif 4","Songti SC","Noto Serif CJK SC","Source Han Serif SC","STSong","SimSun",Georgia,serif;
  --ui:"Plex Sans","PingFang SC","Hiragino Sans GB","Noto Sans CJK SC","Microsoft YaHei",system-ui,sans-serif;
  --cjk:"Songti SC","Noto Serif CJK SC","Source Han Serif SC","STSong","SimSun",serif;
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --bg:#14110f; --surface:#1e1b18; --surface-2:#2a2621;
  --text:#ece6da; --text-2:#d8d1c3; --muted:#bfb7a8;
  --line:#4a4137; --line-soft:#2f2923;
  --accent:#f39c8a; --accent-ink:#1a0805;
  --hot:#e5574a; --hot-ink:#1a0805;
  --land:#2b2620; --circle:rgba(229,87,74,.80); --circle-line:#ffb4a8; --band:rgba(236,230,218,.13); --year:rgba(229,87,74,.26);
  --g-usa:#4a4137; --g-sun:#93897a; --g-none:transparent; --old:#a59c8b; --new:#e5574a;
  --halo:rgba(20,17,15,.94);
  --shadow:0 1px 2px rgba(0,0,0,.5),0 12px 36px rgba(0,0,0,.55);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --bg:#14110f; --surface:#1e1b18; --surface-2:#2a2621;
    --text:#ece6da; --text-2:#d8d1c3; --muted:#bfb7a8;
    --line:#4a4137; --line-soft:#2f2923;
    --accent:#f39c8a; --accent-ink:#1a0805;
    --hot:#e5574a; --hot-ink:#1a0805;
    --land:#2b2620; --circle:rgba(229,87,74,.80); --circle-line:#ffb4a8; --band:rgba(236,230,218,.13); --year:rgba(229,87,74,.26);
    --g-usa:#4a4137; --g-sun:#93897a; --g-none:transparent; --old:#a59c8b; --new:#e5574a;
    --halo:rgba(20,17,15,.94);
    --shadow:0 1px 2px rgba(0,0,0,.5),0 12px 36px rgba(0,0,0,.55);
  }
}
/* ---------------------------------------------------------------- base */
*,*::before,*::after{box-sizing:border-box}
html{scroll-padding-top:calc(var(--bar-h) + .5rem);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--body);font-size:1.125rem;line-height:1.62;overflow-x:clip}
html[lang^="zh"] body{line-height:1.85;font-size:1.0925rem}
a{color:var(--accent);text-underline-offset:.15em}
h1,h2,h3{font-family:var(--serif);line-height:1.15;font-weight:650;letter-spacing:-.01em}
html[lang^="zh"] h1,html[lang^="zh"] h2,html[lang^="zh"] h3{letter-spacing:0;line-height:1.3;font-weight:700}
h1{font-size:clamp(1.9rem,4.2vw,3rem);margin:.2rem 0 .8rem;text-wrap:balance}
h2{font-size:clamp(1.5rem,3.6vw,2.15rem);margin:0 0 .8rem;text-wrap:balance}
h3{font-size:1.25rem;margin:1.6rem 0 .5rem;text-wrap:balance}
p{margin:0 0 1rem}
.zh{font-family:var(--cjk);font-style:normal}
.wrap{max-width:44rem;margin:0 auto;padding:0 max(1rem,env(safe-area-inset-left))}
.wrap.mid{max-width:60rem}
.wrap.wide{max-width:76rem}
.wrap .wrap.narrow{max-width:44rem;margin:1rem 0 0;padding:0}
.hint{color:var(--muted);font-size:.9rem;margin:.5rem 0 0}
.skip{position:absolute;left:-999px;top:0;background:var(--accent);color:var(--accent-ink);padding:.6rem 1rem;z-index:100;border-radius:0 0 .5rem 0}
.skip:focus{left:0}
.perma{margin-left:.4rem;font-size:.6em;color:var(--muted);text-decoration:none;opacity:0;transition:opacity .15s}
h2:hover .perma,.perma:focus-visible{opacity:1}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.sec{padding:3.2rem 0 .5rem}
.kicker{font-family:var(--ui);font-size:.82rem;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin:0 0 .4rem;font-weight:500}
html[lang^="zh"] .kicker{letter-spacing:.2em}
[hidden]{display:none!important}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.lab{font-family:var(--ui);font-size:.86rem;color:var(--muted)}
/* ---------------------------------------------------------------- top bar */
.topbar{position:sticky;top:0;z-index:50;height:var(--bar-h);display:flex;align-items:center;gap:.55rem;padding:0 max(.8rem,env(safe-area-inset-left));background:var(--halo);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line-soft);font-family:var(--ui);font-size:.9rem}
.topbar a{color:var(--text);text-decoration:none}
.home{display:inline-flex;align-items:center;gap:.45rem;font-weight:600;white-space:nowrap}
.home .globe{width:1.3rem;height:1.3rem;position:relative;flex:none;display:inline-block}
.home .globe::before{content:"";position:absolute;left:0;top:.15rem;width:.85rem;height:.85rem;border-radius:50%;background:var(--hot)}
.home .globe::after{content:"";position:absolute;right:0;bottom:.05rem;width:.5rem;height:.5rem;border-radius:50%;background:var(--hot);box-shadow:-.05rem -.75rem 0 -.1rem var(--hot)}
.topnav{display:flex;gap:.9rem;overflow-x:auto;scrollbar-width:none;white-space:nowrap;margin-left:.6rem}
.topnav::-webkit-scrollbar{display:none}
.topnav a{color:var(--muted);padding:.5rem 0}
.topnav a:hover,.topnav a[aria-current="true"]{color:var(--text)}
.spacer{flex:1}
.chip{border:1px solid var(--line);border-radius:999px;padding:.18rem .6rem;font-size:.82rem;color:var(--text);background:transparent;white-space:nowrap}
.chip[aria-current="page"]{background:var(--text);color:var(--bg);border-color:var(--text)}
.icon-btn{width:2.75rem;height:2.75rem;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--text);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;flex:none}
.prog{position:fixed;left:0;top:var(--bar-h);height:2px;width:100%;transform-origin:0 50%;transform:scaleX(0);background:var(--hot);z-index:49;pointer-events:none}
@media (max-width:62rem){.topnav{display:none}}
@media (max-width:46rem){.home .txt{display:none}}
/* ---------------------------------------------------------------- hero */
.hero{padding:2.2rem 0 .4rem}
.hero .deck{font-size:1.2rem;color:var(--text-2);max-width:44rem}
/* ---------------------------------------------------------------- picker and card */
.pick{display:flex;flex-wrap:wrap;gap:.7rem 1rem;margin:1rem 0 .4rem}
.pick label{display:flex;flex-direction:column;gap:.2rem;font-family:var(--ui);font-size:.82rem;color:var(--muted);flex:1 1 14rem}
.pick label:last-child{flex:0 1 9rem}
.pick select{font:inherit;font-family:var(--ui);font-size:1.05rem;color:var(--text);background:var(--surface);border:1.5px solid var(--text);border-radius:.4rem;padding:.55rem .7rem;min-height:2.9rem;width:100%}
.exnote{font-family:var(--ui);font-size:.88rem;color:var(--muted);margin:.2rem 0 .8rem}
.exnote b{color:var(--hot);font-weight:600}
.card{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);padding:1.1rem 1.2rem 1rem}
.card h3{margin:0 0 .5rem;font-size:clamp(1.5rem,4vw,2.1rem)}
.yline{font-size:1.2rem;margin:0 0 .4rem}
.yline b{color:var(--hot);font-weight:700}
.sline{color:var(--text-2);margin:0 0 .3rem}
.sline:empty,.yline:empty{display:none}
.curve{margin:1rem 0 .3rem}
.curve-in{position:relative;padding-top:1.5rem}
.curve svg{display:block;width:100%;height:9rem;overflow:visible}
.k-bar{fill:var(--text)}
.k-axis{stroke:var(--text);stroke-width:1;vector-effect:non-scaling-stroke}
.k-year{fill:var(--year)}
.k-brk{fill:var(--band)}
.k-ev{stroke:var(--text);stroke-width:1;stroke-dasharray:3 3;vector-effect:non-scaling-stroke}
.axl{position:absolute;left:0;top:0;font-family:var(--ui);font-size:.8rem;color:var(--muted);line-height:1.3}
.decades{display:flex;font-family:var(--ui);font-size:.74rem;color:var(--muted);margin-top:.15rem}
.decades span{min-width:0;overflow:hidden;white-space:nowrap;border-left:1px solid var(--line);padding-left:.2rem}
figure{margin:0}
figcaption{font-family:var(--ui);font-size:.86rem;color:var(--muted);margin-top:.5rem}
#curve-status{display:block;color:var(--text)}
.facts{margin:1rem 0 0;display:grid;gap:0}
.facts div{display:grid;grid-template-columns:13.5rem 1fr;gap:.2rem 1rem;border-top:1px solid var(--line-soft);padding:.45rem 0}
.facts dt{font-family:var(--ui);font-size:.84rem;color:var(--muted);padding-top:.15rem}
.facts dd{margin:0;font-size:1rem}
.cshare{margin:.9rem 0 0;display:flex;flex-wrap:wrap;align-items:center;gap:.6rem}
.no-js .cshare,.no-js .try,.no-js .ctl,.no-js .more-row,.no-js .pick,.no-js .exnote{display:none}
.try{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem .5rem;margin:1.1rem 0 1.4rem}
.chipb{font:inherit;font-family:var(--ui);font-size:.88rem;border:1px solid var(--line);background:transparent;color:var(--text);border-radius:999px;padding:.3rem .8rem;min-height:2.75rem;cursor:pointer}
.chipb:hover{border-color:var(--text)}
.btn{font:inherit;font-family:var(--ui);font-size:.9rem;border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:999px;padding:.4rem .9rem;cursor:pointer;min-height:2.75rem;display:inline-flex;align-items:center;gap:.35rem;text-decoration:none}
.btn:hover{border-color:var(--text)}
.btn.play{background:var(--text);color:var(--bg);border-color:var(--text);font-weight:600}
/* ---------------------------------------------------------------- map */
.mapgrid{display:grid;gap:1rem 1.6rem;margin-top:.6rem}
@media (min-width:64rem){.mapgrid{grid-template-columns:minmax(0,1fr) 15rem;align-items:start}}
.mapfig{min-width:0}
.mapscroll{overflow-x:auto;border:1px solid var(--line);background:var(--surface)}
.mapin{position:relative;min-width:44rem}
#map{display:block;width:100%;height:auto}
.land{fill:var(--land)}
.cr{fill:var(--circle);stroke:var(--circle-line);stroke-width:.6;cursor:pointer;transition:r .5s ease,cx .5s ease,cy .5s ease}
.cr.co{fill:transparent;stroke-dasharray:2.2 1.6;stroke-width:1}
.cr.on{fill:var(--text);stroke:var(--bg);stroke-width:1.4}
.cr.co.on{fill:transparent;stroke:var(--text);stroke-width:2;stroke-dasharray:none}
.china{fill:none;stroke:var(--text);stroke-width:1.2}
.mlabels{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.ml{position:absolute;transform:translate(-50%,-50%);font-family:var(--ui);font-size:.72rem;font-weight:600;line-height:1.1;color:#fff8f0;text-shadow:0 0 3px rgba(60,10,5,.9),0 0 1px rgba(60,10,5,.9);white-space:nowrap}
.ml.on{color:var(--bg);text-shadow:none;background:var(--text);padding:.1rem .35rem;border-radius:.2rem;z-index:2;transform:translate(-50%,-135%)}
.ml.cn{color:var(--text);text-shadow:none;font-weight:500;transform:translate(-50%,0)}
.mapyear{position:absolute;left:.7rem;bottom:.4rem;font-family:var(--serif);font-weight:700;font-size:clamp(1.8rem,5vw,3.2rem);line-height:1;color:var(--text);opacity:.8;pointer-events:none}
.ctl{display:flex;flex-wrap:wrap;align-items:center;gap:.6rem;margin:.7rem 0 0}
.ctl .rng{flex:1 1 12rem;min-width:8rem;display:flex}
.ctl input[type=range]{width:100%;accent-color:var(--hot);height:2.75rem}
.ctl output{font-family:var(--serif);font-weight:700;font-size:1.4rem;min-width:3.2rem;text-align:right}
#map-line{font-family:var(--body);font-size:1rem;color:var(--text);margin-top:.6rem}
.mapside h3{margin:.2rem 0 .5rem;font-family:var(--ui);font-size:.86rem;font-weight:600;color:var(--muted);letter-spacing:0}
.topl{margin:0;padding:0;list-style:none;counter-reset:t;display:grid;gap:.25rem}
@media (max-width:63.99rem){.topl{grid-template-columns:repeat(auto-fill,minmax(11rem,1fr))}}
.topl li{counter-increment:t}
.topl button{font:inherit;font-family:var(--ui);font-size:.92rem;width:100%;text-align:left;background:transparent;border:0;border-bottom:1px solid var(--line-soft);color:var(--text);padding:.35rem 0;min-height:2.75rem;cursor:pointer;display:flex;gap:.5rem;align-items:baseline}
.topl button::before{content:counter(t);color:var(--muted);min-width:1.2rem;font-size:.8rem}
.topl button b{font-weight:600;flex:1}
.topl button:hover b{color:var(--accent)}
@media (max-width:46rem){.ml.opt{display:none}}
/* ---------------------------------------------------------------- breaks */
.brks{display:grid;grid-template-columns:repeat(auto-fill,minmax(10.5rem,1fr));gap:1.1rem 1rem;margin:1.2rem 0 .6rem}
.brk figcaption{margin:0 0 .25rem;font-size:.8rem;line-height:1.3;min-height:3.2rem}
.brk figcaption b{display:block;color:var(--text);font-size:.95rem}
.brk svg{display:block;width:100%;height:3.4rem}
.brk-y{display:flex;justify-content:space-between;font-family:var(--ui);font-size:.7rem;color:var(--muted)}
.brk-n{font-family:var(--ui);font-size:.8rem;margin:.15rem 0 0;color:var(--text);font-variant-numeric:tabular-nums}
/* ---------------------------------------------------------------- charts and tables */
.chart{margin:1.4rem 0}
.chart svg{display:block;width:100%;height:8rem;overflow:visible}
.chart.grid svg{height:9.5rem}
.c-bar{fill:var(--text)}.c-bar.hot{fill:var(--hot)}
.l-old{fill:none;stroke:var(--old);stroke-width:2.5;vector-effect:non-scaling-stroke}
.l-new{fill:none;stroke:var(--new);stroke-width:2.5;vector-effect:non-scaling-stroke}
.g-usa{fill:var(--g-usa)}.g-sun{fill:var(--g-sun)}.g-oth{fill:var(--hot)}.g-tie{fill:var(--hot);opacity:.5}.g-tie2{fill:var(--g-sun)}.g-none{fill:var(--g-none)}
.legend{display:flex;flex-wrap:wrap;gap:.25rem .9rem;font-family:var(--ui);font-size:.84rem;color:var(--text-2);margin:0 0 .5rem;padding:0;list-style:none}
.legend li{display:inline-flex;align-items:center;gap:.35rem}
.sw{width:.8rem;height:.8rem;border-radius:.12rem;display:inline-block;flex:none}
.sw.old{background:var(--old)}.sw.new{background:var(--new)}
.sw.g-usa{background:var(--g-usa)}.sw.g-sun{background:var(--g-sun)}.sw.g-oth{background:var(--hot)}.sw.g-tie{background:var(--hot);opacity:.5}.sw.g-none{background:transparent;border:1px dashed var(--line)}
.yrs2,.yrs3{display:flex;justify-content:space-between;font-family:var(--ui);font-size:.74rem;color:var(--muted);margin-top:.15rem}
.yrs3 span{flex:1;border-left:1px solid var(--line);padding-left:.2rem}
.tscroll{overflow-x:auto;margin:1rem 0 0}
.wtab{width:100%;border-collapse:collapse;font-size:.95rem}
.wtab th{font-family:var(--ui);font-size:.78rem;color:var(--muted);font-weight:600;text-align:right;border-bottom:1px solid var(--text);padding:.3rem .5rem;vertical-align:bottom}
.wtab th:first-child,.wtab td:first-child{text-align:left;padding-left:0}
.wtab td,.wtab tbody th{border-bottom:1px solid var(--line-soft);padding:.45rem .5rem;text-align:right;font-variant-numeric:tabular-nums;vertical-align:top}
.wtab tbody th{font-family:var(--body);font-size:.95rem;color:var(--text);font-weight:600;text-align:left;padding-left:0}
.wtab tbody th small{display:block;font-family:var(--ui);font-weight:400;color:var(--muted);font-size:.78rem}
.wtab td.l,.wtab th.l{text-align:left}
.wtab td.z{color:var(--accent);font-weight:700}
.wtab td.ev{font-size:.88rem;min-width:13rem}
.wtab small{color:var(--muted);font-family:var(--ui);font-size:.8rem}
.wtab .lnk{font:inherit;font-weight:600;color:var(--accent);background:transparent;border:0;padding:0;text-align:left;cursor:pointer;text-decoration:underline;text-underline-offset:.15em;min-height:1.9rem}
.no-js .wtab .lnk{color:var(--text);text-decoration:none;cursor:default}
.more-row{display:flex;gap:.6rem;margin:1rem 0 0}
blockquote.doc{margin:1.3rem 0;padding:.2rem 0 .2rem 1rem;border-left:3px solid var(--hot)}
blockquote.doc p{margin:0 0 .4rem}
blockquote.doc .zh{font-size:1.12rem;font-weight:700;line-height:1.5}
blockquote.doc cite{font-style:normal;font-family:var(--ui);font-size:.86rem;color:var(--muted);display:block}
.src{font-size:.95rem;padding-left:1.1rem}
.src li{margin:0 0 .45rem}
.dl{display:flex;flex-wrap:wrap;gap:.5rem;margin:1rem 0;padding:0;list-style:none}
/* ---------------------------------------------------------------- end */
.share{display:flex;align-items:center;gap:.5rem;margin:1.2rem 0}
.share a,.share button{width:2.5rem;height:2.5rem;border-radius:50%;border:1px solid var(--line-soft);background:transparent;color:var(--text);display:inline-flex;align-items:center;justify-content:center;cursor:pointer}
.share a:hover,.share button:hover{color:var(--accent);border-color:var(--accent)}
@media (pointer:coarse){.share a,.share button{width:2.75rem;height:2.75rem}}
.rel{list-style:none;padding:0;margin:1rem 0;display:grid;gap:.6rem}
.rel li{border-top:1px solid var(--line-soft);padding-top:.6rem}
.rel a{font-weight:600}
.rel span{display:block;font-size:.92rem;color:var(--text-2)}
.foot{margin-top:3rem;padding:1.6rem 0 5rem;border-top:1px solid var(--line-soft);font-family:var(--ui);font-size:.88rem;color:var(--muted)}
.foot a{color:var(--text)}
@media (max-width:46rem){
  .facts div{grid-template-columns:1fr;gap:0}
  .card{padding:.9rem .8rem}
  .curve svg{height:7rem}
  .decades span{font-size:.62rem;padding-left:.1rem}
  .chart svg{height:6.5rem}
  .wtab{font-size:.88rem}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}