/* ============ 1. reset ============ */
*,*::before,*::after{box-sizing:border-box}
html,body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd,address{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--head-h) + 16px)}

/* ============ 2. tokens ============ */
:root{
  --abyss:#0B1E3A;
  --indigo:#132B52;
  --mist:#3B4E6B;
  --cyan:#2FE0D0;
  --neon:#7CFF6B;
  --amber:#FF9A3C;
  --wine:#6E1F3A;
  --violet:#4B3A8F;
  --porcelain:#E8EEF7;
  --fog:#9FB3CC;
  --ink:#04211F;
  --line:rgba(159,179,204,.22);
  --line-cyan:rgba(47,224,208,.42);
  --line-amber:rgba(255,154,60,.45);
  --line-neon:rgba(124,255,107,.40);
  --rail-w:220px;
  --wrap:1440px;
  --pad:clamp(16px,3vw,40px);
  --r-lg:22px;
  --r-md:14px;
  --r-sm:8px;
  --r-pill:999px;
  --head-h:104px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-display:"Archivo Narrow","Noto Sans SC","PingFang SC","Hiragino Sans GB","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

/* ============ 3. base ============ */
html{scroll-behavior:smooth}
body{
  background:var(--abyss);
  color:var(--porcelain);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  min-height:100vh;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:900;letter-spacing:-.01em;line-height:1.15}
h1{font-size:clamp(38px,6.4vw,88px)}
h2{font-size:clamp(26px,3.4vw,44px)}
h3{font-size:clamp(18px,2vw,24px)}
p{max-width:68ch}
::selection{background:var(--cyan);color:var(--ink)}
:focus{outline:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px}

/* ============ 4. skip link ============ */
.skip-link{
  position:absolute;left:16px;top:-80px;z-index:130;
  padding:12px 20px;border-radius:var(--r-sm);
  background:var(--cyan);color:var(--ink);font-weight:700;
  transition:top .16s var(--ease);
}
.skip-link:focus{top:14px}

/* ============ 5. header ============ */
.site-head{
  position:sticky;top:0;z-index:60;
  background:var(--abyss);
  border-bottom:1px solid var(--line-cyan);
}
.ticker{background:#0A1730;border-bottom:1px solid var(--line)}
.ticker__inner{
  max-width:var(--wrap);margin-inline:auto;
  padding:6px var(--pad);
  display:flex;align-items:center;gap:12px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
}
.ticker__tag{
  flex:0 0 auto;padding:2px 9px;border-radius:var(--r-pill);
  color:var(--neon);border:1px solid var(--line-neon);
  background:rgba(124,255,107,.08);
}
.ticker__text{
  color:var(--fog);max-width:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.ticker__time{color:var(--cyan)}
.ticker__ver{
  flex:0 0 auto;margin-left:auto;padding:2px 9px;border-radius:var(--r-pill);
  color:var(--amber);border:1px solid var(--line-amber);
  background:rgba(255,154,60,.08);
}
.cmdbar{background:var(--abyss)}
.cmdbar__inner{
  position:relative;
  max-width:var(--wrap);margin-inline:auto;
  padding:12px var(--pad);
  display:flex;align-items:center;gap:clamp(10px,1.6vw,24px);
  min-height:72px;
}
.brand{display:flex;flex-direction:column;gap:2px;flex:0 0 auto}
.brand__mark{
  font-family:var(--font-display);font-weight:900;font-size:20px;line-height:1.1;
  letter-spacing:.01em;color:var(--porcelain);
}
.brand__sig{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.28em;
  text-transform:uppercase;color:var(--cyan);
}
.brand--foot .brand__mark{font-size:18px}
.navtog{
  display:inline-flex;align-items:center;gap:9px;margin-left:auto;
  padding:10px 14px;border:1px solid var(--line-cyan);border-radius:var(--r-sm);
  color:var(--porcelain);font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;
  transition:color .16s var(--ease),background-color .16s var(--ease);
}
.navtog__bars{
  display:block;width:18px;height:2px;background:currentColor;
  box-shadow:0 -6px 0 currentColor,0 6px 0 currentColor;
}
.navtog[aria-expanded="true"]{color:var(--cyan);background:rgba(47,224,208,.10)}
.site-nav{display:none}
.site-nav[data-open]{
  display:block;position:absolute;left:0;right:0;top:100%;z-index:70;
  background:#0A1730;border-bottom:1px solid var(--line-cyan);
  padding:14px var(--pad) 22px;
  box-shadow:0 22px 44px rgba(3,10,22,.62);
}
.nav-list{display:grid;gap:2px}
.nav-link{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:11px 14px;border-radius:var(--r-pill);
  font-size:15px;letter-spacing:.03em;color:var(--fog);
  transition:color .16s var(--ease),background-color .16s var(--ease),box-shadow .16s var(--ease);
}
.nav-link__idx{font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;color:var(--mist);transition:color .16s var(--ease)}
.nav-link::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--mist);
  flex:0 0 auto;transition:background-color .16s var(--ease),box-shadow .16s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:1px;
  background:var(--cyan);transform:scaleX(0);transform-origin:left;
  transition:transform .18s var(--ease);
}
.nav-link:hover,.nav-link:focus-visible{color:var(--porcelain);background:rgba(47,224,208,.07)}
.nav-link:hover::before,.nav-link:focus-visible::before{background:var(--cyan);box-shadow:0 0 0 3px rgba(47,224,208,.18)}
.nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(1)}
.nav-link:hover .nav-link__idx,.nav-link:focus-visible .nav-link__idx{color:var(--cyan)}
.nav-link[aria-current="page"]{
  color:var(--cyan);background:rgba(47,224,208,.10);
  box-shadow:inset 0 0 0 1px var(--line-cyan);
}
.nav-link[aria-current="page"]::before{background:var(--cyan);box-shadow:0 0 0 3px rgba(47,224,208,.20)}
.nav-link[aria-current="page"] .nav-link__idx{color:var(--cyan)}
.nav-link[aria-current="page"]::after{transform:scaleX(1)}
.cmdbar__actions{display:flex;align-items:center;gap:8px;margin-left:auto}

/* ============ 6. buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 18px;border-radius:var(--r-pill);
  border:1px solid transparent;
  font-family:var(--font-body);font-size:14px;font-weight:700;letter-spacing:.04em;
  transition:background-color .16s var(--ease),color .16s var(--ease),
             border-color .16s var(--ease),transform .16s var(--ease),box-shadow .16s var(--ease);
}
.btn--primary{background:var(--cyan);color:var(--ink)}
.btn--primary:hover,.btn--primary:focus-visible{
  background:var(--neon);color:#06230F;transform:translateY(-2px);
  box-shadow:0 8px 22px rgba(47,224,208,.30);
}
.btn--ghost{border-color:var(--line-cyan);color:var(--porcelain)}
.btn--ghost:hover,.btn--ghost:focus-visible{
  border-color:var(--cyan);color:var(--cyan);background:rgba(47,224,208,.10);transform:translateY(-2px);
}

/* ============ 7. footer ============ */
.site-foot{
  background:#0A1730;
  border-top:1px solid var(--line-cyan);
  color:var(--porcelain);
}
.foot__inner{max-width:var(--wrap);margin-inline:auto;padding:clamp(32px,5vw,64px) var(--pad) 20px}
.foot__grid{
  display:grid;gap:clamp(22px,3vw,40px);
  grid-template-columns:minmax(0,1fr);
  padding-bottom:clamp(24px,3vw,36px);
  border-bottom:1px solid var(--line);
}
.foot__brand{display:flex;flex-direction:column;gap:12px}
.foot__closing{
  color:var(--porcelain);font-family:var(--font-display);font-size:19px;max-width:26ch;
}
.foot__meta{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;
  color:var(--fog);max-width:34ch;
}
.foot__col{display:flex;flex-direction:column;gap:12px}
.foot__title{
  font-family:var(--font-mono);font-size:11px;font-weight:400;
  letter-spacing:.2em;color:var(--fog);text-transform:uppercase;
}
.foot__list{display:grid;gap:8px}
.foot__link{
  position:relative;display:inline-block;font-size:15px;color:var(--porcelain);
  padding-bottom:2px;transition:color .16s var(--ease);
}
.foot__link::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;
  background:var(--cyan);transform:scaleX(0);transform-origin:left;
  transition:transform .18s var(--ease);
}
.foot__link:hover,.foot__link:focus-visible{color:var(--cyan)}
.foot__link:hover::after,.foot__link:focus-visible::after{transform:scaleX(1)}
.foot__contact{
  display:flex;flex-direction:column;gap:12px;
  margin-top:clamp(20px,3vw,32px);
  padding:clamp(18px,2.4vw,26px);
  background:var(--indigo);border:1px solid var(--line);border-radius:var(--r-lg);
}
.foot__addr{display:grid;gap:8px;font-style:normal}
.foot__addrline{color:var(--fog);font-size:14px;display:flex;flex-wrap:wrap;gap:8px}
.mono{font-family:var(--font-mono);font-weight:700;letter-spacing:.02em;color:var(--cyan)}
.foot__legal{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  padding-top:18px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--fog);
}
.foot__icp{color:var(--porcelain)}
.foot__copy{margin-left:auto}

/* ============ 8. layout helpers ============ */
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad)}
.page-shell{display:grid;grid-template-columns:minmax(0,1fr);gap:24px;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad)}
.rail{min-width:0}
.rail__title{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;
  color:var(--amber);margin-bottom:12px;
}
.rail__list{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;scrollbar-width:thin}
.rail__link{
  display:flex;align-items:center;gap:10px;white-space:nowrap;
  padding:9px 14px;font-size:14px;color:var(--fog);
  border-left:2px solid transparent;border-radius:0 var(--r-sm) var(--r-sm) 0;
  transition:color .16s var(--ease),background-color .16s var(--ease),border-color .16s var(--ease);
}
.rail__link:hover,.rail__link:focus-visible{color:var(--porcelain);background:rgba(47,224,208,.07);border-left-color:var(--line-cyan)}
.rail__link[aria-current="true"]{color:var(--cyan);background:rgba(47,224,208,.10);border-left-color:var(--cyan)}
.section{padding-block:clamp(28px,5vw,64px)}
.section__head{
  display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;
  padding-bottom:12px;margin-bottom:24px;border-bottom:1px solid var(--line);
}
.section__idx{font-family:var(--font-mono);font-size:12px;letter-spacing:.2em;color:var(--amber)}
.section__title{font-size:clamp(22px,3vw,36px)}
.eyebrow{
  display:block;font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--fog);margin-bottom:12px;
}
.lede{font-size:clamp(17px,2vw,19px);line-height:1.75;color:var(--porcelain);max-width:34em}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--fog);
}
.breadcrumb a{transition:color .16s var(--ease)}
.breadcrumb a:hover,.breadcrumb a:focus-visible{color:var(--cyan)}
.breadcrumb li{display:flex;align-items:center;gap:10px}
.breadcrumb li+li::before{content:"/";color:var(--mist)}
.link{
  color:var(--cyan);border-bottom:1px solid var(--line-cyan);
  transition:color .16s var(--ease),border-color .16s var(--ease);
}
.link:hover,.link:focus-visible{color:var(--neon);border-color:var(--neon)}
.rule{height:1px;background:var(--line);border:0}

/* ============ 9. components ============ */
.panel{
  position:relative;
  background:var(--indigo);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:clamp(20px,3vw,32px);
  transition:border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.panel:hover{border-color:var(--line-cyan);transform:translateY(-2px);box-shadow:0 16px 34px rgba(3,10,22,.42)}
.panel--abyss{background:var(--abyss);border-color:var(--line-cyan)}
.panel--wine{background:var(--wine);border-color:rgba(232,238,247,.18)}
.panel--violet{background:var(--violet);border-color:rgba(232,238,247,.18)}
.grid{display:grid;gap:16px}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.grid--4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--indigo);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px;
  transition:border-color .18s var(--ease),transform .18s var(--ease);
}
.card:hover{border-color:var(--line-cyan);transform:translateY(-2px)}
.card__head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.card__title{font-family:var(--font-display);font-weight:900;font-size:18px}
.card__meta{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--fog)}
.card__body{font-size:15px;color:var(--fog)}
.data-table{font-size:14px}
.data-table th{
  font-family:var(--font-mono);font-size:11px;font-weight:400;letter-spacing:.14em;
  text-transform:uppercase;color:var(--fog);text-align:left;
  padding:10px 12px;border-bottom:1px solid var(--line);
}
.data-table td{padding:12px;border-bottom:1px solid var(--line);color:var(--porcelain)}
.data-table tbody tr:nth-child(even){background:rgba(59,78,107,.18)}
.data-table td.num{font-family:var(--font-mono);font-weight:700;letter-spacing:.02em}
.index-list{display:grid}
.index-list__item{
  display:flex;align-items:center;gap:14px;
  padding:11px 4px;border-bottom:1px solid var(--line);
  transition:background-color .16s var(--ease);
}
.index-list__item:hover{background:rgba(47,224,208,.06)}
.index-list__num{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;color:var(--amber);min-width:36px}
.index-list__label{font-size:15px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;
  padding:6px 12px;border:1px solid var(--line);border-radius:var(--r-pill);color:var(--fog);
  transition:color .16s var(--ease),border-color .16s var(--ease);
}
.tag:hover,.tag:focus-visible{color:var(--cyan);border-color:var(--line-cyan)}
.frame{
  position:relative;overflow:hidden;
  background:var(--abyss);border:1px solid var(--line);border-radius:var(--r-md);
}
.frame__media{display:block;aspect-ratio:16/9;background:var(--indigo);overflow:hidden}
.frame__media img,.frame__media svg{width:100%;height:100%;object-fit:cover}
.frame--wide .frame__media{aspect-ratio:21/9}
.frame--tall .frame__media{aspect-ratio:4/5}
.frame__cap{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--fog);
  padding:10px 14px;border-top:1px solid var(--line);
}
.stat{display:flex;flex-direction:column;gap:6px}
.stat__num{
  font-family:var(--font-mono);font-weight:700;line-height:1;
  font-size:clamp(30px,5vw,56px);color:var(--porcelain);
  text-shadow:0 0 14px rgba(47,224,208,.45);
}
.stat__num--amber{color:var(--amber);text-shadow:0 0 14px rgba(255,154,60,.42)}
.stat__label{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;color:var(--fog)}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  padding:4px 10px;border-radius:var(--r-pill);
  border:1px solid var(--line);color:var(--fog);
  transition:background-color .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease);
}
.pill--cyan{color:var(--cyan);border-color:var(--line-cyan)}
.pill--neon{color:var(--neon);border-color:var(--line-neon)}
.pill--amber{color:var(--amber);border-color:var(--line-amber)}
.pill--amber:hover{background:var(--amber);color:var(--ink);border-color:var(--amber)}
.status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--mist)}
.status-dot--cyan{background:var(--cyan);box-shadow:0 0 0 4px rgba(47,224,208,.18)}
.status-dot--live{background:var(--neon);box-shadow:0 0 0 4px rgba(124,255,107,.18)}
.trend{width:100%;height:auto;overflow:visible}
.trend__line{
  fill:none;stroke:var(--cyan);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;
  stroke-dasharray:var(--len,600);
  animation:trace 600ms var(--ease) both;
  filter:drop-shadow(0 0 6px rgba(47,224,208,.55));
}
.trend__line--alt{stroke:var(--amber);filter:drop-shadow(0 0 6px rgba(255,154,60,.5))}
@keyframes trace{from{stroke-dashoffset:var(--len,600)}to{stroke-dashoffset:0}}

/* ============ 10. utilities ============ */
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
.scroll-meter{
  position:fixed;left:0;right:0;top:0;height:2px;z-index:90;
  background:rgba(159,179,204,.14);pointer-events:none;
}
.scroll-meter__fill{
  display:block;height:100%;width:0;background:var(--cyan);
  box-shadow:0 0 10px rgba(47,224,208,.8);
  transition:width .1s linear;
}

/* ============ 11. responsive ============ */
@media (min-width:640px){
  .foot__grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .foot__brand{grid-column:1/-1}
}
@media (min-width:900px){
  .navtog{display:none}
  .site-nav,.site-nav[data-open]{
    display:block;position:static;flex:1 1 auto;
    background:none;border:0;padding:0;box-shadow:none;
  }
  .nav-list{display:flex;flex-wrap:wrap;justify-content:center;gap:2px}
  .nav-link{padding:9px 12px;font-size:14px}
  .nav-link::after{left:12px;right:12px;bottom:4px}
  .foot__grid{grid-template-columns:1.6fr repeat(3,minmax(0,1fr))}
  .foot__brand{grid-column:auto}
}
@media (min-width:1100px){
  .page-shell{grid-template-columns:var(--rail-w) minmax(0,1fr);gap:36px;padding-block:32px}
  .rail{position:sticky;top:calc(var(--head-h) + 20px);align-self:start}
  .rail__list{flex-direction:column;overflow:visible;padding-bottom:0}
}
@media (max-width:899px){
  :root{--head-h:96px}
  .cmdbar__actions{display:none}
  .cmdbar__inner{gap:10px}
  .brand__mark{font-size:18px}
  .ticker__ver{display:none}
}

/* ============ 12. reduced motion ============ */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:1ms!important;
    animation-iteration-count:1!important;
    transition-duration:1ms!important;
  }
  .panel:hover,.card:hover,.btn:hover,.btn:focus-visible{transform:none}
  .trend__line{stroke-dashoffset:0!important}
  .scroll-meter__fill{transition:none}
}