*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-padding-top:96px;scroll-behavior:smooth}
:root{
  --color-bg:#0B0F1A;
  --color-surface:#141B2D;
  --color-surface-soft:#1E2638;
  --color-border:#2A3450;
  --color-primary:#37FF8B;
  --color-secondary:#00D9FF;
  --color-warning:#FFB800;
  --color-text:#F0F4F8;
  --color-text-muted:#8A94A6;
  --color-gradient-end:#4B2EFF;
  --font-sans:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,'Roboto Mono','JetBrains Mono',Menlo,Consolas,monospace;
  --text-h1:2.5rem;
  --text-h2:2rem;
  --text-h3:1.5rem;
  --text-body:1rem;
  --text-cap:0.875rem;
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:20px;
  --radius-pill:999px;
  --shadow-card:0 10px 30px rgba(0,0,0,0.28);
  --transition-fast:0.2s ease;
}
body{
  font-family:var(--font-sans);
  font-size:var(--text-body);
  line-height:1.75;
  color:var(--color-text);
  background-color:var(--color-bg);
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
body::before{
  content:'';
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(42,52,80,0.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(42,52,80,0.07) 1px,transparent 1px);
  background-size:24px 24px;
}
body::after{
  content:'';
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:radial-gradient(ellipse 80% 48% at 50% -12%,rgba(75,46,255,0.20),transparent 70%);
}
::selection{
  background:rgba(55,255,139,0.28);
  color:var(--color-text);
}
:focus-visible{
  outline:2px solid var(--color-primary);
  outline-offset:3px;
  border-radius:6px;
}
a,button{
  -webkit-tap-highlight-color:transparent;
}
a{
  color:var(--color-primary);
}
img{
  max-width:100%;
  height:auto;
  display:block;
}
.visually-hidden{
  position:absolute;
  width:1px;
  height:1px;
  margin:-1px;
  padding:0;
  overflow:hidden;
  clip:rect(0 0 0 0);
  clip-path:inset(50%);
  white-space:nowrap;
  border:0;
}
.skip-link{
  position:fixed;
  top:-72px;
  left:16px;
  z-index:9999;
  padding:10px 18px;
  background:var(--color-primary);
  color:#0B0F1A;
  border-radius:8px;
  font-weight:700;
  font-size:0.875rem;
  text-decoration:none;
  transition:top var(--transition-fast);
  box-shadow:0 4px 20px rgba(55,255,139,0.4);
}
.skip-link:focus{
  top:12px;
}
.container{
  width:100%;
  max-width:1120px;
  margin:0 auto;
  padding:0 24px;
}
.container-wide{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 24px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:10px 22px;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-family:var(--font-sans);
  font-weight:700;
  font-size:0.875rem;
  line-height:1.5;
  color:var(--color-text);
  background:var(--color-surface-soft);
  border-color:var(--color-border);
  text-decoration:none;
  cursor:pointer;
  transition:all var(--transition-fast);
  white-space:nowrap;
}
.btn:hover{
  border-color:var(--color-primary);
  color:var(--color-primary);
}
.btn:active{
  transform:scale(0.98);
}
.btn-primary{
  background:var(--color-primary);
  border-color:var(--color-primary);
  color:#0B0F1A;
  font-weight:900;
}
.btn-primary:hover{
  background:#5effa5;
  border-color:#5effa5;
  box-shadow:0 0 20px rgba(55,255,139,0.35);
  color:#0B0F1A;
}
.btn-secondary{
  background:transparent;
  border-color:rgba(0,217,255,0.6);
  color:var(--color-secondary);
}
.btn-secondary:hover{
  background:rgba(0,217,255,0.1);
  color:var(--color-secondary);
  border-color:var(--color-secondary);
  box-shadow:0 0 16px rgba(0,217,255,0.25);
}
.btn-ghost{
  background:transparent;
  border-color:transparent;
  color:var(--color-text-muted);
}
.btn-ghost:hover{
  background:var(--color-surface-soft);
  border-color:var(--color-border);
  color:var(--color-text);
}
.grid-basic{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(min(280px,100%),1fr));
  gap:20px;
}
.grid-2{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.grid-3{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
@media(max-width:992px){
  .grid-3{
    grid-template-columns:repeat(2,1fr);
  }
}
@media(max-width:640px){
  .grid-2,
  .grid-3{
    grid-template-columns:1fr;
    gap:16px;
  }
}
.section-head{
  display:flex;
  align-items:center;
  gap:14px;
  margin:0 0 28px;
}
.section-head-index{
  font-family:var(--font-mono);
  font-weight:700;
  font-size:0.8125rem;
  color:var(--color-primary);
  background:rgba(55,255,139,0.08);
  border:1px solid rgba(55,255,139,0.3);
  border-radius:var(--radius-sm);
  padding:2px 10px;
  line-height:1.6;
  flex-shrink:0;
}
.section-head h1,
.section-head h2,
.section-head h3{
  margin:0;
  font-size:1.75rem;
  font-weight:900;
  letter-spacing:-0.02em;
  line-height:1.25;
  color:var(--color-text);
}
.section-head::after{
  content:'';
  flex:1;
  height:1px;
  background:linear-gradient(90deg,var(--color-border),transparent);
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:5px;
  font-size:0.75rem;
  font-weight:600;
  line-height:1;
  padding:5px 11px;
  border-radius:var(--radius-pill);
  color:var(--color-text-muted);
  background:var(--color-surface-soft);
  border:1px solid var(--color-border);
  white-space:nowrap;
}
.tag-live{
  color:var(--color-primary);
  background:rgba(55,255,139,0.06);
  border-color:rgba(55,255,139,0.32);
}
.tag-live::before{
  content:'';
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--color-primary);
  box-shadow:0 0 6px rgba(55,255,139,0.8);
  flex-shrink:0;
}
.tag-hot{
  color:var(--color-warning);
  background:rgba(255,184,0,0.06);
  border-color:rgba(255,184,0,0.32);
}
.tag-data{
  font-family:var(--font-mono);
  color:var(--color-secondary);
  background:rgba(0,217,255,0.06);
  border-color:rgba(0,217,255,0.32);
}
.data-card{
  position:relative;
  background:var(--color-surface);
  border:1px solid var(--color-border);
  border-radius:16px;
  padding:22px 24px;
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:border-color var(--transition-fast),transform var(--transition-fast),box-shadow var(--transition-fast);
}
.data-card::before{
  content:'';
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:2px;
  background:linear-gradient(90deg,var(--color-primary),var(--color-secondary));
  opacity:0;
  transition:opacity var(--transition-fast);
}
.data-card:hover{
  border-color:rgba(55,255,139,0.4);
  transform:translateY(-3px);
  box-shadow:0 16px 40px rgba(0,0,0,0.38);
}
.data-card:hover::before{
  opacity:1;
}
.stat-row{
  display:flex;
  flex-wrap:wrap;
  gap:16px 36px;
}
.stat-value{
  font-family:var(--font-mono);
  font-weight:700;
  font-size:2.125rem;
  line-height:1.2;
  color:var(--color-text);
  letter-spacing:-0.03em;
}
.stat-value small{
  font-size:0.875rem;
  color:var(--color-text-muted);
  font-weight:400;
  margin-left:3px;
  letter-spacing:0;
}
.note-box{
  display:flex;
  gap:12px;
  padding:16px 20px;
  border-radius:var(--radius-md);
  background:var(--color-surface);
  border:1px solid var(--color-border);
  border-left:3px solid var(--color-secondary);
  font-size:0.875rem;
  color:var(--color-text-muted);
}
.note-box strong{
  color:var(--color-text);
  font-weight:700;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:0.8125rem;
  color:var(--color-text-muted);
  margin-bottom:20px;
}
.breadcrumb a{
  color:var(--color-text-muted);
  text-decoration:none;
  transition:color var(--transition-fast);
}
.breadcrumb a:hover{
  color:var(--color-primary);
}
.breadcrumb-sep{
  color:var(--color-border);
  font-family:var(--font-mono);
}
.breadcrumb [aria-current="page"]{
  color:var(--color-text);
}
.page-hero{
  padding:72px 0 44px;
}
.page-title{
  font-size:clamp(2rem,5vw,3.4rem);
  font-weight:900;
  letter-spacing:-0.02em;
  line-height:1.12;
  margin:0;
  color:var(--color-text);
}
.page-subtitle{
  font-size:1.125rem;
  color:var(--color-text-muted);
  margin-top:12px;
  max-width:60ch;
}
.prose{
  font-size:1rem;
  line-height:1.85;
  color:var(--color-text-muted);
}
.prose h1,
.prose h2,
.prose h3,
.prose h4{
  color:var(--color-text);
  margin:2em 0 0.6em;
  font-weight:900;
  letter-spacing:-0.02em;
}
.prose p{
  margin:1em 0;
}
.prose a{
  color:var(--color-primary);
  text-decoration:underline;
  text-underline-offset:4px;
}
.prose ul,
.prose ol{
  padding-left:1.5em;
  margin:1em 0;
}
.prose li{
  margin:0.35em 0;
}
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  padding:10px 16px 14px;
  background:linear-gradient(180deg,rgba(11,15,26,0.95) 0%,rgba(11,15,26,0.72) 68%,rgba(11,15,26,0) 100%);
  transition:background var(--transition-fast);
}
.site-header[data-scrolled]{
  background:linear-gradient(180deg,rgba(11,15,26,0.98) 0%,rgba(11,15,26,0.88) 72%,rgba(11,15,26,0.5) 100%);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.header-progress{
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:3px;
  overflow:hidden;
}
.header-progress-fill{
  display:block;
  width:0%;
  height:100%;
  background:linear-gradient(90deg,var(--color-primary) 0%,var(--color-secondary) 100%);
  border-radius:0 2px 2px 0;
  box-shadow:0 0 12px rgba(55,255,139,0.45);
  transition:width 0.1s ease-out;
}
.header-inner{
  max-width:1280px;
  margin:0 auto;
}
.nav-capsule{
  position:relative;
  display:flex;
  align-items:center;
  gap:14px;
  max-width:1280px;
  background:rgba(20,27,45,0.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--color-border);
  border-radius:var(--radius-pill);
  padding:10px 16px 10px 20px;
  box-shadow:0 4px 24px rgba(0,0,0,0.25);
  transition:background var(--transition-fast),border-color var(--transition-fast),box-shadow var(--transition-fast);
}
.site-header[data-scrolled] .nav-capsule{
  background:rgba(13,18,31,0.92);
  border-color:rgba(55,255,139,0.2);
  box-shadow:0 8px 36px rgba(0,0,0,0.42);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  color:var(--color-text);
  flex-shrink:0;
}
.brand-mark{
  position:relative;
  width:36px;
  height:36px;
  flex-shrink:0;
  border-radius:50%;
  background:conic-gradient(from 135deg,var(--color-primary) 0%,var(--color-secondary) 40%,var(--color-warning) 65%,var(--color-primary) 100%);
}
.brand-mark::before{
  content:'';
  position:absolute;
  inset:3px;
  border-radius:50%;
  background:var(--color-surface);
}
.brand-mark::after{
  content:'';
  position:absolute;
  inset:13px;
  border-radius:50%;
  background:var(--color-primary);
  box-shadow:0 0 10px rgba(55,255,139,0.7);
  animation:signalPulse 2s ease-in-out infinite;
}
@keyframes signalPulse{
  0%,100%{
    opacity:1;
    box-shadow:0 0 6px rgba(55,255,139,0.5);
  }
  50%{
    opacity:0.72;
    box-shadow:0 0 16px rgba(55,255,139,0.95);
  }
}
.brand-text{
  display:flex;
  flex-direction:column;
  line-height:1.15;
}
.brand-text strong{
  font-size:0.95rem;
  font-weight:900;
  letter-spacing:0.02em;
  white-space:nowrap;
  color:var(--color-text);
}
.brand-text small{
  font-size:0.7rem;
  color:var(--color-text-muted);
  letter-spacing:0.1em;
  padding-top:2px;
}
.site-nav{
  flex:1;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:2px;
  list-style:none;
  margin:0;
  padding:0;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  font-size:0.875rem;
  font-weight:600;
  color:var(--color-text-muted);
  text-decoration:none;
  border-radius:var(--radius-pill);
  transition:color var(--transition-fast),background var(--transition-fast);
}
.nav-link::after{
  content:'';
  position:absolute;
  left:14px;
  right:14px;
  bottom:3px;
  height:2px;
  background:var(--color-primary);
  border-radius:1px;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--transition-fast);
}
.nav-link:hover{
  color:var(--color-text);
}
.nav-link:hover::after{
  transform:scaleX(1);
}
.nav-link[aria-current="page"]{
  color:var(--color-primary);
  background:rgba(55,255,139,0.08);
}
.nav-link[aria-current="page"]::after{
  transform:scaleX(1);
  background:var(--color-primary);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.header-cta{
  padding:8px 18px;
  font-size:0.8125rem;
}
.cta-dot{
  width:6px;
  height:6px;
  border-radius:50%;
  background:#0B0F1A;
  box-shadow:0 0 6px rgba(11,15,26,0.6);
  flex-shrink:0;
}
.btn-primary:hover .cta-dot{
  background:#0B0F1A;
  box-shadow:0 0 0;
}
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:50%;
  border:1px solid var(--color-border);
  background:var(--color-surface-soft);
  cursor:pointer;
  transition:border-color var(--transition-fast),background var(--transition-fast);
}
.nav-toggle:hover{
  border-color:var(--color-primary);
  background:var(--color-surface);
}
.nav-toggle-box{
  display:flex;
  flex-direction:column;
  gap:4px;
  width:18px;
}
.nav-toggle-line{
  display:block;
  height:2px;
  width:100%;
  background:var(--color-text);
  border-radius:1px;
  transition:transform var(--transition-fast),opacity var(--transition-fast);
}
.nav-toggle[data-open] .nav-toggle-line:nth-child(1){
  transform:translateY(6px) rotate(45deg);
}
.nav-toggle[data-open] .nav-toggle-line:nth-child(2){
  opacity:0;
}
.nav-toggle[data-open] .nav-toggle-line:nth-child(3){
  transform:translateY(-6px) rotate(-45deg);
}
.site-footer{
  position:relative;
  background:var(--color-surface);
  margin-top:96px;
  border-top:none;
}
.site-footer::before{
  content:'';
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:3px;
  background:linear-gradient(90deg,var(--color-primary) 0%,var(--color-secondary) 55%,transparent 100%);
  z-index:1;
}
.site-footer::after{
  content:'';
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(42,52,80,0.14) 1px,transparent 1px);
  background-size:100% 56px;
  pointer-events:none;
}
.footer-top{
  position:relative;
  z-index:1;
  display:flex;
  flex-wrap:wrap;
  gap:40px;
  max-width:1280px;
  margin:0 auto;
  padding:56px 24px 44px;
}
.footer-brand{
  flex:1 1 300px;
  min-width:240px;
}
.footer-brand-link{
  margin-bottom:14px;
}
.footer-about{
  font-size:0.9375rem;
  color:var(--color-text);
  line-height:1.65;
  margin-bottom:12px;
}
.footer-trust{
  font-size:0.8125rem;
  color:var(--color-text-muted);
  line-height:1.7;
  margin:0;
}
.footer-col{
  flex:1 1 180px;
  min-width:150px;
}
.footer-heading{
  font-size:0.875rem;
  font-weight:900;
  letter-spacing:0.04em;
  color:var(--color-text);
  margin:0 0 16px;
  padding-bottom:8px;
  border-bottom:1px solid rgba(42,52,80,0.7);
  position:relative;
}
.footer-heading::after{
  content:'';
  position:absolute;
  left:0;
  bottom:-1px;
  width:32px;
  height:2px;
  background:var(--color-primary);
  border-radius:1px;
}
.footer-links{
  list-style:none;
  padding:0;
  margin:0;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-links a{
  font-size:0.875rem;
  color:var(--color-text-muted);
  text-decoration:none;
  transition:color var(--transition-fast),padding-left var(--transition-fast);
  display:inline-block;
}
.footer-links a:hover{
  color:var(--color-primary);
  padding-left:4px;
}
.footer-contact .footer-links li{
  font-size:0.8125rem;
  color:var(--color-text-muted);
  line-height:1.6;
  word-break:break-all;
}
.contact-label{
  display:block;
  font-size:0.71875rem;
  font-weight:700;
  letter-spacing:0.06em;
  color:var(--color-text);
  text-transform:uppercase;
  margin-bottom:1px;
}
.footer-contact .footer-links a{
  word-break:break-all;
  color:var(--color-text-muted);
}
.footer-contact .footer-links a:hover{
  color:var(--color-primary);
}
.footer-bottom{
  position:relative;
  z-index:1;
  border-top:1px solid rgba(42,52,80,0.55);
  padding:16px 0;
}
.footer-bottom-inner{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  align-items:center;
  gap:8px 24px;
  max-width:1280px;
  margin:0 auto;
  padding:0 24px;
  font-size:0.8125rem;
  color:var(--color-text-muted);
}
.footer-bottom-inner p{
  margin:0;
}
@media(max-width:992px){
  .nav-list{
    gap:0;
  }
  .nav-link{
    padding:8px 10px;
    font-size:0.8125rem;
  }
  .header-cta{
    padding:8px 14px;
    font-size:0.75rem;
  }
}
@media(max-width:820px){
  .site-header{
    padding:10px 12px 14px;
  }
  .nav-capsule{
    padding:8px 12px 8px 16px;
  }
  .site-nav{
    position:absolute;
    top:calc(100% + 14px);
    left:0;
    right:0;
    z-index:990;
    display:none;
    background:rgba(20,27,45,0.98);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border:1px solid var(--color-border);
    border-radius:var(--radius-lg);
    padding:12px;
    box-shadow:0 24px 56px rgba(0,0,0,0.5);
  }
  .site-nav[data-open]{
    display:block;
  }
  .nav-list{
    flex-direction:column;
    align-items:stretch;
    gap:4px;
  }
  .nav-list li{
    border-bottom:1px solid rgba(42,52,80,0.45);
  }
  .nav-list li:last-child{
    border-bottom:none;
  }
  .nav-link{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:14px 18px;
    border-radius:12px;
    font-size:0.9375rem;
    font-weight:600;
    color:var(--color-text);
  }
  .nav-link::after{
    content:'→';
    position:static;
    width:auto;
    height:auto;
    background:none;
    transform:none;
    font-family:var(--font-mono);
    font-size:0.875rem;
    color:var(--color-text-muted);
    margin-left:12px;
    opacity:0;
    transition:opacity var(--transition-fast),color var(--transition-fast);
  }
  .nav-link:hover::after,
  .nav-link[aria-current="page"]::after{
    opacity:1;
    color:var(--color-primary);
  }
  .nav-link:hover{
    background:var(--color-surface-soft);
  }
  .nav-link[aria-current="page"]{
    color:var(--color-primary);
    background:rgba(55,255,139,0.08);
  }
  .nav-toggle{
    display:inline-flex;
  }
  .header-cta{
    display:none;
  }
}
@media(max-width:480px){
  .brand-mark{
    width:32px;
    height:32px;
  }
  .brand-mark::after{
    inset:11px;
  }
  .brand-text strong{
    font-size:0.85rem;
  }
  .brand-text small{
    font-size:0.65rem;
  }
  .nav-capsule{
    gap:8px;
  }
}
@media(max-width:360px){
  .brand-text small{
    display:none;
  }
}
@media(max-width:768px){
  .container,
  .container-wide{
    padding-left:16px;
    padding-right:16px;
  }
  .footer-top{
    padding:44px 16px 36px;
    gap:32px 24px;
  }
  .footer-bottom-inner{
    padding:0 16px;
    flex-direction:column;
    text-align:center;
    gap:6px;
  }
  .page-hero{
    padding:48px 0 36px;
  }
  .section-head h1,
  .section-head h2,
  .section-head h3{
    font-size:1.35rem;
  }
}
@media(prefers-reduced-motion:reduce){
  html{
    scroll-behavior:auto;
  }
  *,
  *::before,
  *::after{
    animation-duration:0.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:0.01ms !important;
  }
  .brand-mark::after{
    animation:none;
  }
  .header-progress-fill{
    transition:none;
  }
  .data-card:hover{
    transform:none;
  }
  .footer-links a:hover{
    padding-left:0;
  }
}