:root{
  --bg-primary:#0A0A0A;
  --bg-secondary:#121212;
  --bg-panel:#1E1E1E;
  --text-primary:#FFFFFF;
  --text-secondary:#B0B0B0;
  --accent-green:#00FF88;
  --accent-blue:#00C2FF;
  --accent-gold:#FFD700;
  --border-muted:#2A2A2A;
  --font-heading:"Source Han Sans Pro","Noto Sans CJK SC","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"Roboto Mono","SFMono-Regular","Cascadia Code","Source Code Pro",Consolas,monospace;
  --space-unit:8px;
  --header-offset:120px;
  --nav-width:720px;
  --content-max:1440px;
  --transition-fast:160ms ease;
  --transition-slow:320ms ease;
  --focus-ring:0 0 0 3px var(--accent-blue);
  --reading-progress-height:3px;
}

*,*::before,*::after{
  box-sizing:border-box;
  margin:0;
  padding:0;
}

html{
  scroll-behavior:smooth;
  background:var(--bg-primary);
}

body{
  background:var(--bg-primary);
  color:var(--text-primary);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.8;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

img{
  max-width:100%;
  display:block;
  height:auto;
}

a{
  color:var(--accent-blue);
  text-decoration:none;
  transition:color var(--transition-fast);
}

a:hover{
  color:var(--text-primary);
}

a:focus-visible,
button:focus-visible{
  outline:none;
  box-shadow:var(--focus-ring);
  border-radius:2px;
}

button{
  font-family:inherit;
  cursor:pointer;
  border:none;
  background:none;
  color:inherit;
}

ul,ol{
  list-style:none;
}

.skip-link{
  position:absolute;
  left:-9999px;
  top:0;
  z-index:3000;
  background:var(--accent-green);
  color:var(--bg-primary);
  font-family:var(--font-mono);
  font-size:14px;
  font-weight:700;
  padding:12px 20px;
  border-radius:0 0 4px 0;
}

.skip-link:focus{
  left:0;
  color:var(--bg-primary);
}

:focus-visible{
  outline:2px solid var(--accent-blue);
  outline-offset:2px;
}

.reading-progress{
  position:fixed;
  top:0;
  left:0;
  z-index:2000;
  width:100%;
  height:var(--reading-progress-height);
  background:rgba(255,255,255,0.05);
  pointer-events:none;
}

.reading-progress span{
  display:block;
  width:0;
  height:100%;
  background:var(--accent-blue);
  box-shadow:0 0 12px rgba(0,194,255,0.6);
  transition:width 120ms linear;
}

.site-header{
  position:sticky;
  top:0;
  z-index:1200;
  background:var(--bg-primary);
  border-bottom:1px solid var(--border-muted);
  backdrop-filter:blur(12px);
}

.header-grid{
  max-width:var(--content-max);
  margin:0 auto;
  padding:0 32px;
}

.header-topline{
  border-bottom:1px solid var(--border-muted);
  padding:6px 0;
}

.data-status-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.08em;
  color:var(--text-secondary);
  text-transform:uppercase;
}

.status-dot{
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--accent-green);
  box-shadow:0 0 8px rgba(0,255,136,0.8);
  flex-shrink:0;
  animation:statusPulse 3s infinite;
}

@keyframes statusPulse{
  0%,100%{opacity:1;}
  50%{opacity:0.4;}
}

.status-text{
  flex:1;
}

.status-coord{
  color:var(--text-secondary);
  letter-spacing:0.12em;
}

.header-mainbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:16px 0;
}

.brand-lockup{
  display:flex;
  flex-direction:column;
  gap:2px;
}

.brand-link{
  display:inline-flex;
  flex-direction:column;
  gap:2px;
  color:var(--text-primary);
}

.brand-mark{
  font-family:var(--font-heading);
  font-weight:900;
  font-size:28px;
  letter-spacing:0.02em;
  color:var(--text-primary);
  line-height:1.2;
}

.brand-mark::before{
  content:"[ ";
  color:var(--accent-green);
  font-family:var(--font-mono);
  font-weight:400;
}

.brand-mark::after{
  content:" ]";
  color:var(--accent-green);
  font-family:var(--font-mono);
  font-weight:400;
}

.brand-tagline{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--text-secondary);
  letter-spacing:0.06em;
}

.desktop-nav{
  display:block;
}

.nav-list{
  display:flex;
  align-items:center;
  gap:0;
}

.nav-item{
  position:relative;
}

.nav-link{
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  padding:12px 18px;
  font-family:var(--font-mono);
  font-size:14px;
  letter-spacing:0.04em;
  color:var(--text-secondary);
  border-left:1px solid var(--border-muted);
  transition:color var(--transition-fast),background var(--transition-fast);
  position:relative;
}

.nav-link::before{
  content:"";
  position:absolute;
  bottom:0;
  left:0;
  width:0;
  height:2px;
  background:var(--accent-green);
  transition:width var(--transition-fast);
}

.nav-link:hover{
  color:var(--text-primary);
  background:rgba(0,255,136,0.03);
}

.nav-link:hover::before,
.nav-link[aria-current="page"]::before{
  width:100%;
}

.nav-link[aria-current="page"]{
  color:var(--text-primary);
  background:rgba(0,255,136,0.05);
}

.nav-index{
  font-size:11px;
  color:var(--accent-green);
  font-family:var(--font-mono);
}

.nav-link[aria-current="page"] .nav-index{
  color:var(--accent-green);
}

.section-index{
  display:none;
  align-items:center;
  gap:8px;
  background:transparent;
  color:var(--text-primary);
  font-family:var(--font-mono);
  font-size:14px;
  padding:8px 16px;
  border:1px solid var(--accent-green);
  border-radius:4px;
  transition:background var(--transition-fast),color var(--transition-fast);
}

.section-index:hover{
  background:var(--accent-green);
  color:var(--bg-primary);
}

.section-index-bracket{
  font-size:16px;
  line-height:1;
}

.mobile-nav-panel{
  display:none;
  position:fixed;
  inset:0;
  z-index:1500;
  background:var(--bg-primary);
  overflow-y:auto;
}

.mobile-nav-panel[data-open="true"]{
  display:block;
}

.mobile-nav-inner{
  max-width:var(--content-max);
  margin:0 auto;
  padding:24px 32px 48px;
  min-height:100vh;
  display:flex;
  flex-direction:column;
  gap:40px;
}

.mobile-nav-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
}

.mobile-nav-label{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.2em;
  color:var(--accent-green);
  text-transform:uppercase;
}

.mobile-nav-close{
  font-family:var(--font-mono);
  font-size:18px;
  color:var(--accent-green);
  background:transparent;
  padding:8px 12px;
  border:1px solid var(--border-muted);
  border-radius:4px;
  transition:border-color var(--transition-fast);
}

.mobile-nav-close:hover{
  border-color:var(--accent-green);
}

.mobile-nav-list{
  display:flex;
  flex-direction:column;
}

.mobile-nav-item{
  border-top:1px solid var(--border-muted);
}

.mobile-nav-link{
  display:flex;
  align-items:baseline;
  gap:16px;
  padding:20px 0;
  font-family:var(--font-heading);
  font-size:32px;
  font-weight:900;
  color:var(--text-primary);
  transition:color var(--transition-fast),padding-left var(--transition-fast);
}

.mobile-nav-link:hover{
  color:var(--accent-green);
  padding-left:16px;
}

.mobile-nav-link .nav-index{
  font-size:12px;
  font-weight:400;
}

.mobile-nav-status{
  margin-top:auto;
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--text-secondary);
  border-top:1px solid var(--border-muted);
  padding-top:24px;
}

@media (max-width:1440px){
  .nav-link{
    padding:12px 14px;
    font-size:13px;
  }
}

@media (max-width:1200px){
  .desktop-nav{
    display:none;
  }
  .section-index{
    display:inline-flex;
  }
  .header-mainbar{
    border-bottom:1px solid var(--border-muted);
  }
}

.site-footer{
  background:var(--bg-secondary);
  border-top:1px solid var(--border-muted);
  margin-top:80px;
  padding:64px 0 0;
}

.footer-grid{
  max-width:var(--content-max);
  margin:0 auto;
  padding:0 32px;
  display:grid;
  grid-template-columns:2fr 1fr 1.5fr 1fr;
  gap:48px;
  padding-bottom:48px;
}

.footer-brand .brand-lockup{
  margin-bottom:16px;
}

.footer-statement{
  font-size:14px;
  color:var(--text-secondary);
  line-height:1.7;
  max-width:38ch;
}

.footer-relay{
  display:flex;
  flex-direction:column;
  gap:32px;
}

.match-recap,
.match-upcoming{
  display:flex;
  flex-direction:column;
  gap:8px;
  padding:16px;
  background:var(--bg-primary);
  border:1px solid var(--border-muted);
  border-radius:6px;
}

.match-recap{
  border-left:3px solid var(--accent-green);
}

.match-upcoming{
  border-left:3px solid var(--accent-blue);
}

.relay-link{
  font-family:var(--font-heading);
  font-weight:900;
  font-size:20px;
  color:var(--text-primary);
}

.relay-link:hover{
  color:var(--accent-green);
}

.relay-note{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--text-secondary);
}

.coord-label{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.16em;
  color:var(--text-secondary);
  text-transform:uppercase;
}

.footer-contact{
  display:flex;
  flex-direction:column;
  gap:6px;
}

.contact-line{
  font-family:var(--font-mono);
  font-size:14px;
  color:var(--text-primary);
  line-height:1.5;
}

.contact-note{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--text-secondary);
  line-height:1.6;
  margin-top:8px;
}

.footer-legal{
  display:flex;
  flex-direction:column;
  gap:12px;
}

.footer-links{
  display:flex;
  flex-direction:column;
  gap:8px;
}

.footer-link{
  font-size:15px;
  color:var(--text-secondary);
  transition:color var(--transition-fast),padding-left var(--transition-fast);
}

.footer-link:hover{
  color:var(--accent-green);
  padding-left:6px;
}

.footer-copyright{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--text-secondary);
  margin-top:8px;
}

.footer-icp{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--text-secondary);
}

@media (max-width:1200px){
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:40px;
  }
}

@media (max-width:768px){
  .header-grid,
  .footer-grid{
    padding-left:20px;
    padding-right:20px;
  }
  .header-topline{
    overflow-x:auto;
  }
  .status-coord{
    display:none;
  }
  .data-status-bar{
    justify-content:flex-start;
  }
  .brand-mark{
    font-size:24px;
  }
  .mobile-nav-inner{
    padding-left:20px;
    padding-right:20px;
  }
  .mobile-nav-link{
    font-size:28px;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:32px;
  }
}

.container{
  max-width:var(--content-max);
  margin:0 auto;
  padding:0 32px;
}

.section{
  padding:64px 0;
}

.section-header{
  margin-bottom:40px;
}

.section-header .coord-label{
  display:block;
  margin-bottom:8px;
}

.section-header h2{
  font-family:var(--font-heading);
  font-weight:900;
  font-size:40px;
  line-height:1.2;
  letter-spacing:-0.01em;
}

.data-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}

.data-panel{
  background:var(--bg-secondary);
  border:1px solid var(--border-muted);
  border-radius:8px;
  padding:24px;
  position:relative;
  transition:border-color var(--transition-fast),transform var(--transition-fast);
}

.data-panel:hover{
  border-color:var(--accent-green);
  transform:translateY(-4px);
}

.data-panel.is-query:hover{
  border-color:var(--accent-blue);
}

.panel-index{
  position:absolute;
  top:16px;
  right:16px;
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--accent-green);
}

.data-panel.is-query .panel-index{
  color:var(--accent-blue);
}

.highlight-green{
  color:var(--accent-green);
}

.highlight-blue{
  color:var(--accent-blue);
}

.highlight-gold{
  color:var(--accent-gold);
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:14px;
  letter-spacing:0.06em;
  padding:12px 28px;
  border-radius:4px;
  transition:background var(--transition-fast),color var(--transition-fast),border-color var(--transition-fast);
}

.btn-primary{
  background:var(--accent-green);
  color:var(--bg-primary);
  font-weight:700;
}

.btn-primary:hover{
  background:var(--text-primary);
  color:var(--bg-primary);
}

.btn-ghost{
  border:1px solid var(--accent-blue);
  color:var(--accent-blue);
  background:transparent;
}

.btn-ghost:hover{
  background:rgba(0,194,255,0.1);
  color:var(--text-primary);
  border-color:var(--accent-blue);
}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
  font-family:var(--font-mono);
  font-size:13px;
  color:var(--text-secondary);
  padding:16px 0;
  border-bottom:1px solid var(--border-muted);
  margin-bottom:32px;
}

.breadcrumb a{
  color:var(--accent-blue);
}

.breadcrumb a:hover{
  color:var(--text-primary);
}

.breadcrumb .breadcrumb-sep{
  color:var(--text-secondary);
}

.prose{
  font-size:16px;
  line-height:1.8;
  color:var(--text-primary);
}

.prose p{
  margin-bottom:1em;
}

.prose h2{
  font-family:var(--font-heading);
  font-weight:900;
  font-size:28px;
  margin:1.5em 0 0.5em;
}

.prose h3{
  font-family:var(--font-heading);
  font-weight:900;
  font-size:20px;
  margin:1.2em 0 0.4em;
}

.prose ul{
  list-style:disc;
  padding-left:1.5em;
  margin-bottom:1em;
}

.prose li{
  margin-bottom:0.4em;
}

.footer-link[aria-current="page"]{
  color:var(--accent-green);
}

@media (max-width:768px){
  .container{
    padding-left:20px;
    padding-right:20px;
  }
  .section{
    padding:40px 0;
  }
  .section-header h2{
    font-size:28px;
  }
  .data-grid{
    grid-template-columns:1fr;
  }
}

@media (prefers-reduced-motion:reduce){
  *,
  *::before,
  *::after{
    animation-duration:0.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:0.01ms !important;
    scroll-behavior:auto !important;
  }
  [data-reveal]{
    opacity:1 !important;
    transform:none !important;
  }
}

[data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity 480ms ease,transform 480ms ease;
}

[data-reveal="visible"]{
  opacity:1;
  transform:translateY(0);
}

@media (prefers-reduced-motion:reduce){
  [data-reveal]{
    opacity:1;
    transform:none;
    transition:none;
  }
  .status-dot{
    animation:none;
  }
}

@media (max-width:980px){
  .desktop-nav{
    display:block;
  }
  .nav-link{
    padding:12px 12px;
    font-size:13px;
  }
}

@media (min-width:1201px){
  .section-index{
    display:none;
  }
  .mobile-nav-panel{
    display:none !important;
  }
}

@media (max-width:1200px){
  .desktop-nav{
    display:none;
  }
  .mobile-nav-panel{
    display:block;
  }
  .mobile-nav-panel[data-open="true"]{
    display:block;
  }
}