:root{
  --green:#0E3A2A;
  --night:#0B1B2B;
  --paper:#F1E8D7;
  --ink:#111418;
  --neon:#C8FF3D;
  --alert:#FF5C39;
  --retro:#E5D3A8;
  --mist:#7E8CA0;
  --mid:#2A6A4F;
  --line:rgba(17,20,24,.16);
  --line-dark:rgba(241,232,215,.2);
  --shell-w:1240px;
  --r:3px;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono","Courier New",monospace;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,dl,dd,figure,blockquote,fieldset{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{max-width:100%;display:block}
button{font:inherit}
a{color:var(--mid)}
a:hover{color:var(--green)}
h1,h2,h3,h4{font-weight:800;line-height:1.22;letter-spacing:.01em;color:var(--ink)}
h1{font-size:clamp(2.1rem,5.4vw,3.6rem);font-weight:900}
h2{font-size:clamp(1.5rem,3vw,2.2rem)}
h3{font-size:clamp(1.1rem,2vw,1.4rem)}
strong{font-weight:800}
body{
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background-color:var(--paper);
  background-image:
    linear-gradient(90deg,rgba(17,20,24,.055) 1px,transparent 1px),
    linear-gradient(180deg,rgba(17,20,24,.04) 1px,transparent 1px);
  background-size:76px 76px;
  min-height:100vh;
}
#main-content{display:block;scroll-margin-top:132px}
.shell{width:min(100% - 2.5rem,var(--shell-w));margin-inline:auto}
:focus-visible{outline:2px solid var(--neon);outline-offset:3px;border-radius:2px}
.skip-link{
  position:fixed;left:1rem;top:-4rem;z-index:120;
  background:var(--neon);color:var(--ink);
  padding:.55rem 1rem;font-weight:800;text-decoration:none;border:1px solid var(--ink);
  transition:top .18s ease;
}
.skip-link:focus{top:.7rem;color:var(--ink)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.45rem;
  font-weight:800;font-size:.9rem;letter-spacing:.04em;line-height:1.2;
  text-decoration:none;cursor:pointer;border-radius:2px;
  padding:.62rem 1.05rem;border:1px solid transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.btn--solid{background:var(--neon);color:var(--ink);border-color:var(--neon)}
.btn--solid:hover{background:#dcff7c;color:var(--ink)}
.btn--ghost{background:transparent;color:var(--paper);border-color:rgba(241,232,215,.4)}
.btn--ghost:hover{border-color:var(--neon);color:var(--neon)}
.btn--ink{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn--ink:hover{background:var(--green);border-color:var(--green);color:var(--paper)}
.btn--alert{background:var(--alert);color:#fff;border-color:var(--alert)}
.btn--alert:hover{background:#ff7457;color:#fff}
.btn--sm{font-size:.78rem;padding:.4rem .72rem}
.btn:active{transform:translateY(1px)}

/* ---------- header ---------- */
.site-head{
  position:sticky;top:0;z-index:60;color:var(--paper);
  background:linear-gradient(104deg,var(--night) 0 52%,var(--green) 52% 100%);
  box-shadow:0 1px 0 rgba(200,255,61,.36),0 12px 28px rgba(11,27,43,.22);
}
.site-head__bar{
  position:relative;display:flex;align-items:center;gap:clamp(.7rem,2vw,1.5rem);
  min-height:66px;padding-block:.6rem;flex-wrap:wrap;
}
.site-head__scan{
  position:absolute;left:0;right:0;bottom:0;height:7px;pointer-events:none;opacity:.45;
  background-image:repeating-linear-gradient(90deg,rgba(241,232,215,.7) 0 1px,transparent 1px 15px);
}
.brandmark{
  display:inline-flex;align-items:center;gap:.65rem;text-decoration:none;
  color:var(--paper);flex:0 0 auto;
}
.brandmark:hover{color:var(--paper)}
.brandmark__glyph{
  display:grid;place-items:center;width:38px;height:38px;flex:none;
  background:var(--neon);color:var(--ink);font-weight:900;font-size:1.2rem;
  border-radius:2px;transform:rotate(-2deg);box-shadow:3px 3px 0 rgba(0,0,0,.35);
}
.brandmark__text{display:grid;line-height:1.15}
.brandmark__name{font-weight:900;font-size:1.1rem;letter-spacing:.08em}
.brandmark__tag{font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;color:rgba(241,232,215,.72)}
.seasonruler{
  display:flex;align-items:center;gap:2px;margin-inline:auto;
  font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;
}
.seasonruler__item{
  padding:.26rem .46rem;border:1px solid rgba(241,232,215,.22);
  color:rgba(241,232,215,.72);white-space:nowrap;
}
.seasonruler__item[data-season-current]{
  background:var(--neon);border-color:var(--neon);color:var(--ink);font-weight:700;
}
.site-head__actions{margin-left:auto;display:flex;align-items:center;gap:.55rem}
.substate{
  display:inline-flex;align-items:center;gap:.42rem;white-space:nowrap;
  font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;color:rgba(241,232,215,.78);
}
.substate::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--neon);
  box-shadow:0 0 0 3px rgba(200,255,61,.18);
}
.navtoggle{
  display:none;align-items:center;gap:.5rem;cursor:pointer;
  background:rgba(241,232,215,.07);color:var(--paper);
  border:1px solid rgba(241,232,215,.35);border-radius:2px;padding:.42rem .6rem;
}
.navtoggle:hover{border-color:var(--neon);color:var(--neon)}
.navtoggle__box{
  position:relative;display:block;width:18px;height:2px;background-color:currentColor;
  transition:background-color .18s ease;
}
.navtoggle__box::before,.navtoggle__box::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background-color:currentColor;
  transition:transform .2s ease,top .2s ease;
}
.navtoggle__box::before{top:-6px}
.navtoggle__box::after{top:6px}
.navtoggle[aria-expanded="true"] .navtoggle__box{background-color:transparent}
.navtoggle[aria-expanded="true"] .navtoggle__box::before{top:0;transform:rotate(45deg)}
.navtoggle[aria-expanded="true"] .navtoggle__box::after{top:0;transform:rotate(-45deg)}
.navtoggle__label{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em}
.sitenav{
  background:linear-gradient(90deg,rgba(14,58,42,.97),rgba(11,27,43,.97));
  border-top:1px solid rgba(200,255,61,.2);
}
.sitenav__inner{display:flex;align-items:center;gap:1rem;min-height:48px}
.sitenav__list{display:flex;flex-wrap:wrap;gap:.12rem}
.sitenav__link{
  display:inline-flex;align-items:baseline;gap:.45rem;
  padding:.52rem .8rem;text-decoration:none;font-size:.92rem;font-weight:700;
  color:rgba(241,232,215,.82);border-left:2px solid transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.sitenav__link:hover{background:rgba(241,232,215,.09);color:var(--paper);border-left-color:var(--neon)}
.sitenav__link[aria-current="page"]{background:var(--neon);color:var(--ink);border-left-color:var(--ink)}
.sitenav__idx{font-family:var(--mono);font-size:.66rem;letter-spacing:.06em;color:var(--neon)}
.sitenav__link[aria-current="page"] .sitenav__idx{color:var(--ink)}
.sitenav__coord{
  margin-left:auto;font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;
  color:rgba(126,140,160,.95);white-space:nowrap;
}
.scrollmeter{
  position:absolute;left:0;right:0;bottom:0;height:2px;overflow:hidden;
  background:rgba(241,232,215,.14);
}
.scrollmeter__fill{display:block;height:100%;width:0;background:var(--neon);transition:width .12s linear}

/* ---------- footer ---------- */
.site-foot{
  position:relative;color:var(--paper);background:linear-gradient(180deg,var(--night) 0%,#071523 100%);
  border-top:3px solid var(--neon);margin-top:clamp(2.4rem,6vw,4.5rem);
}
.site-foot::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:repeating-linear-gradient(135deg,rgba(200,255,61,.06) 0 18px,transparent 18px 36px);
}
.site-foot__inner{position:relative;width:min(100% - 2.5rem,var(--shell-w));margin-inline:auto;padding-block:clamp(2rem,5vw,3.4rem)}
.site-foot__top{display:grid;gap:clamp(1.4rem,3vw,2.6rem);grid-template-columns:minmax(250px,1.1fr) minmax(0,2fr)}
.foot-brand__name{font-size:1.3rem;font-weight:900;letter-spacing:.1em;color:var(--paper)}
.foot-brand__line{margin-top:.55rem;font-size:.9rem;color:rgba(241,232,215,.72);max-width:36ch}
.foot-brand__cta{margin-top:1.05rem;display:flex;flex-wrap:wrap;gap:.6rem}
.foot-brand__note{margin-top:.9rem;font-family:var(--mono);font-size:.7rem;line-height:1.7;letter-spacing:.04em;color:rgba(126,140,160,.98);max-width:42ch}
.foot-cols{display:grid;gap:1.2rem;grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}
.foot-col__title{
  font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;color:var(--neon);
  padding-bottom:.5rem;border-bottom:1px solid var(--line-dark);
}
.foot-col__list{margin-top:.65rem;display:grid;gap:.4rem}
.foot-col__link{color:rgba(241,232,215,.82);text-decoration:none;font-size:.88rem;border-bottom:1px solid transparent}
.foot-col__link:hover{color:var(--neon);border-bottom-color:rgba(200,255,61,.5)}
.site-foot__meta{
  margin-top:clamp(1.6rem,3.5vw,2.6rem);padding-top:1.1rem;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:.9rem 1.8rem;align-items:flex-start;justify-content:space-between;
  font-family:var(--mono);font-size:.72rem;line-height:1.9;color:rgba(241,232,215,.72);
}
.foot-contact{display:grid;gap:.15rem}
.foot-contact a{color:var(--paper);text-decoration:none;border-bottom:1px solid rgba(200,255,61,.42)}
.foot-contact a:hover{color:var(--neon)}
.site-foot__legal{display:flex;flex-wrap:wrap;gap:.5rem 1.1rem;align-items:center}
.site-foot__legal a{color:rgba(241,232,215,.85);text-decoration:none;border-bottom:1px solid rgba(200,255,61,.42)}
.site-foot__legal a:hover{color:var(--neon)}
.totop{
  display:inline-flex;align-items:center;gap:.35rem;cursor:pointer;
  font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;
  background:rgba(241,232,215,.07);border:1px solid rgba(241,232,215,.32);
  color:var(--paper);padding:.36rem .68rem;border-radius:2px;
  transition:border-color .18s ease,color .18s ease;
}
.totop:hover{border-color:var(--neon);color:var(--neon)}

/* ---------- page primitives ---------- */
.content{width:min(100% - 2.5rem,1080px);margin-inline:auto;padding-block:clamp(2rem,5vw,4.2rem)}
.prose{max-width:68ch}
.prose p+p{margin-top:1em}
.prose h2{margin-top:1.6em;margin-bottom:.5em}
.prose h3{margin-top:1.3em;margin-bottom:.4em}
.prose ul,.prose ol{margin-top:.6em;padding-left:1.2em}
.prose ul li{list-style:none;position:relative;padding-left:.9rem}
.prose ul li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;background:var(--neon);border:1px solid var(--ink)}
.prose ol{list-style:decimal}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:.45rem;font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;color:var(--mist)}
.crumbs li+li::before{content:"/";margin-right:.45rem;color:var(--mist)}
.crumbs a{color:var(--mid);text-decoration:none;border-bottom:1px solid rgba(42,106,79,.4)}
.crumbs a:hover{color:var(--green)}
.eyebrow{font-family:var(--mono);font-size:.7rem;letter-spacing:.24em;text-transform:uppercase;color:var(--mid)}
.section-head{display:grid;gap:.35rem;border-top:2px solid var(--ink);padding-top:.8rem}
.grid{display:grid;gap:clamp(1rem,2.4vw,1.75rem)}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.grid--asym{grid-template-columns:minmax(0,1.6fr) minmax(0,1fr)}
.panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:clamp(1rem,2.2vw,1.6rem);box-shadow:0 1px 0 rgba(17,20,24,.06);
}
.panel--glass{
  background:rgba(255,255,255,.1);border-color:rgba(241,232,215,.24);color:var(--paper);
  backdrop-filter:blur(8px);
}
.panel--glass h2,.panel--glass h3,.panel--glass p{color:var(--paper)}
.panel--dark{background:var(--green);border-color:rgba(200,255,61,.28);color:var(--paper)}
.panel--dark h2,.panel--dark h3{color:var(--paper)}
.panel--retro{background:var(--retro);border-color:rgba(17,20,24,.22)}
.anchor{font-family:var(--mono);font-weight:700;color:var(--green);font-variant-numeric:tabular-nums}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums}
.legend{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;font-family:var(--mono);font-size:.72rem;letter-spacing:.08em}
.tag{
  display:inline-flex;align-items:center;gap:.4rem;padding:.22rem .6rem;border-radius:999px;
  border:1px solid rgba(17,20,24,.26);background:rgba(255,255,255,.65);color:var(--ink);
}
.tag--data{border-color:var(--neon);background:rgba(200,255,61,.28);color:#16301f}
.tag--alert{border-color:var(--alert);background:rgba(255,92,57,.16);color:#8a2b12}
.rail{position:relative;padding-left:1.35rem;border-left:1px solid rgba(17,20,24,.22);display:grid;gap:1rem}
.rail__item{position:relative}
.rail__item::before{
  content:"";position:absolute;left:-1.62rem;top:.55rem;width:9px;height:9px;
  background:var(--paper);border:2px solid var(--mid);border-radius:50%;
}
.rail__item[data-active]::before{background:var(--neon);border-color:var(--ink)}
.ledger-wrap{overflow-x:auto;border:1px solid var(--line);background:#fff;border-radius:var(--r)}
.ledger{width:100%;border-collapse:collapse;font-size:.92rem}
.ledger th,.ledger td{padding:.6rem .75rem;text-align:left;border-bottom:1px solid var(--line)}
.ledger th{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--mist);background:rgba(17,20,24,.03)}
.ledger td.num{font-family:var(--mono);font-variant-numeric:tabular-nums}
.ledger tbody tr:hover{background:rgba(200,255,61,.18)}
.disclosure{border:1px solid var(--line);background:#fff;border-radius:var(--r)}
.disclosure+.disclosure{margin-top:.6rem}
.disclosure>summary{
  cursor:pointer;list-style:none;padding:.85rem 1rem;font-weight:800;
  display:flex;gap:.7rem;align-items:baseline;
}
.disclosure>summary::-webkit-details-marker{display:none}
.disclosure>summary::before{content:"+";font-family:var(--mono);color:var(--mid);font-weight:700}
.disclosure[open]>summary::before{content:"–";color:var(--alert)}
.disclosure[open]>summary{border-bottom:1px dashed var(--line)}
.disclosure__body{padding:.9rem 1rem 1.15rem}
.media{
  position:relative;overflow:hidden;border-radius:var(--r);isolation:isolate;
  background-image:
    repeating-linear-gradient(135deg,rgba(200,255,61,.1) 0 12px,transparent 12px 24px),
    linear-gradient(135deg,var(--green),var(--night));
}
.media>img{width:100%;height:100%;object-fit:cover}
.media::after{content:"";position:absolute;inset:.9rem;border:1px dashed rgba(200,255,61,.35);pointer-events:none}
.media--wide{aspect-ratio:16/9}
.media--band{aspect-ratio:21/9}
.media--square{aspect-ratio:1/1}
.media--tall{aspect-ratio:3/4}
.media__cap{
  position:absolute;left:0;bottom:0;z-index:2;max-width:100%;
  background:rgba(11,27,43,.85);color:var(--paper);font-family:var(--mono);
  font-size:.7rem;letter-spacing:.08em;padding:.5rem .8rem;
}
html[data-js="on"] [data-reveal]{opacity:0;transform:translateY(14px)}
html[data-js="on"] [data-reveal].is-in{opacity:1;transform:none;transition:opacity .5s ease,transform .5s ease}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .seasonruler{display:none}
  .sitenav__coord{display:none}
}
@media (max-width:900px){
  .grid--asym{grid-template-columns:1fr}
  .site-foot__top{grid-template-columns:1fr}
  .site-head__bar{min-height:60px}
  .navtoggle{display:inline-flex}
  .sitenav{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease}
  .sitenav[data-open]{grid-template-rows:1fr}
  .sitenav__inner{
    min-height:0;overflow:hidden;flex-direction:column;align-items:stretch;
    padding-block:.5rem;gap:.4rem;
  }
  .sitenav__list{flex-direction:column;gap:0}
  .sitenav__link{
    width:100%;border-left-width:3px;border-top:1px solid rgba(241,232,215,.1);
    padding:.7rem .8rem;justify-content:flex-start;
  }
}
@media (max-width:760px){
  .substate{display:none}
  .foot-cols{grid-template-columns:repeat(auto-fit,minmax(130px,1fr))}
}
@media (max-width:560px){
  .brandmark__tag{display:none}
  .brandmark__glyph{width:34px;height:34px;font-size:1.05rem}
  .site-foot__meta{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html[data-js="on"] [data-reveal]{opacity:1;transform:none}
  .scrollmeter__fill{transition:none}
}