:root{
  --bg:#0B3D2E;
  --bg-deep:#0A2A1C;
  --bg-mid:#146B4A;
  --accent:#FF6A00;
  --text:#F2F7F4;
  --muted:#B8D4C3;
  --card:#0F4A35;
  --line:#2B7A5A;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular","Cascadia Code",Consolas,monospace;
  --container:1440px;
  --gutter:clamp(16px,3vw,40px);
  --header-h:72px;
  --shadow:6px 6px 0 rgba(255,106,0,.14);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:linear-gradient(130deg,var(--bg),var(--bg-deep)) fixed;
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
p{margin-top:0}
button{font:inherit}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px}

.skip-link{
  position:fixed;
  top:-100px;
  left:16px;
  z-index:200;
  background:var(--accent);
  color:var(--bg-deep);
  font-weight:700;
  padding:10px 16px;
  transition:top .2s;
}
.skip-link:focus{top:16px}

.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(10,42,28,.96);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:2px solid var(--line);
  box-shadow:0 4px 0 rgba(0,0,0,.25);
}
.header-inner{
  max-width:var(--container);
  margin-inline:auto;
  padding-inline:var(--gutter);
  min-height:var(--header-h);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:0 16px;
}
.brand{
  order:1;
  display:inline-flex;
  align-items:center;
  gap:12px;
  color:var(--text);
  text-decoration:none;
  padding:8px 0;
}
.brand-mark{
  width:44px;
  height:44px;
  display:grid;
  place-items:center;
  background:var(--accent);
  color:var(--bg-deep);
  border:2px solid var(--accent);
  box-shadow:4px 4px 0 var(--bg-mid);
  font-family:var(--font-mono);
  font-weight:900;
  font-size:18px;
  line-height:1;
}
.brand-copy{display:flex;flex-direction:column;line-height:1.15}
.brand-copy strong{font-size:20px;font-weight:900;letter-spacing:.02em}
.brand-copy small{font-size:10px;letter-spacing:.26em;color:var(--muted);text-transform:uppercase}

.site-nav{
  order:2;
  margin-left:auto;
}
.nav-list{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  align-items:center;
  gap:2px;
  counter-reset:nav;
  overflow-x:auto;
  scrollbar-width:none;
}
.nav-list::-webkit-scrollbar{display:none}
.nav-link{
  position:relative;
  display:flex;
  align-items:center;
  gap:6px;
  padding:12px 10px;
  color:var(--muted);
  text-decoration:none;
  white-space:nowrap;
  font-size:14px;
  font-weight:500;
  border-bottom:2px solid transparent;
  transition:color .2s,background .2s,border-color .2s;
}
.nav-link::before{
  counter-increment:nav;
  content:"0" counter(nav) "/";
  font-family:var(--font-mono);
  font-size:11px;
  color:var(--accent);
}
.nav-link:hover{color:var(--text);background:var(--card)}
.nav-link[aria-current="page"]{color:var(--text);background:var(--card);border-bottom-color:var(--accent)}

.sync-status{
  order:3;
  margin-left:16px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  background:var(--card);
  border:2px solid var(--line);
  font-size:12px;
  color:var(--muted);
  letter-spacing:.04em;
}
.status-dot{
  width:8px;
  height:8px;
  border-radius:50%;
  flex:none;
  background:var(--accent);
  animation:statusPulse 2s infinite;
}
@keyframes statusPulse{
  0%{box-shadow:0 0 0 0 rgba(255,106,0,.55)}
  70%{box-shadow:0 0 0 8px rgba(255,106,0,0)}
  100%{box-shadow:0 0 0 0 rgba(255,106,0,0)}
}

.nav-toggle{
  order:4;
  display:none;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  background:var(--card);
  border:2px solid var(--line);
  color:var(--text);
  cursor:pointer;
}
.nav-toggle:hover{border-color:var(--accent);color:var(--accent)}
.nav-toggle[aria-expanded="true"]{border-color:var(--accent);color:var(--accent)}
.nav-toggle-icon{
  width:14px;
  height:2px;
  background:currentColor;
  box-shadow:0 -4px 0 currentColor,0 4px 0 currentColor;
}
.nav-toggle-text{font-size:13px;font-weight:700}

.site-footer{
  position:relative;
  margin-top:clamp(64px,8vw,120px);
  background:linear-gradient(180deg,var(--bg-deep),var(--bg));
  border-top:2px solid var(--accent);
}
.footer-shell{
  max-width:var(--container);
  margin-inline:auto;
  padding:clamp(48px,7vw,88px) var(--gutter) 24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:clamp(24px,4vw,56px);
}
.footer-slogan{
  max-width:38ch;
  color:var(--muted);
  margin:20px 0 16px;
}
.footer-trust{
  display:flex;
  align-items:center;
  gap:8px;
  color:var(--muted);
  font-size:13px;
  border-left:2px solid var(--accent);
  padding-left:12px;
}
.footer-title{
  font-size:12px;
  letter-spacing:.2em;
  color:var(--accent);
  text-transform:uppercase;
  margin:0 0 16px;
}
.footer-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:8px;
}
.footer-list a{
  color:var(--muted);
  text-decoration:none;
  font-size:14px;
}
.footer-list a:hover{color:var(--text);text-decoration:underline;text-decoration-color:var(--accent)}
.footer-contact p{
  color:var(--muted);
  font-size:14px;
  margin:0 0 8px;
}
.footer-bottom{
  margin-top:clamp(40px,6vw,64px);
  padding-top:24px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:8px 16px;
  font-size:13px;
  color:var(--muted);
}
.footer-bottom p{margin:0}

.page-shell{
  max-width:var(--container);
  margin-inline:auto;
  padding:clamp(48px,9vw,112px) var(--gutter) clamp(56px,8vw,96px);
}
.section-head{
  max-width:880px;
  margin-bottom:clamp(32px,6vw,64px);
}
.section-head h1{
  font-size:clamp(42px,6vw,80px);
  line-height:1.05;
  font-weight:900;
  letter-spacing:-.02em;
  margin:0 0 16px;
}
.section-head h2{
  font-size:clamp(28px,4vw,48px);
  line-height:1.1;
  font-weight:900;
  margin:0 0 12px;
}
.section-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.18em;
  color:var(--accent);
  text-transform:uppercase;
  margin-bottom:14px;
}
.section-kicker::before{
  content:"";
  width:24px;
  height:2px;
  background:var(--accent);
}
.lead{
  font-size:clamp(17px,2vw,22px);
  color:var(--muted);
  max-width:70ch;
}

.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:12px 20px;
  border:2px solid var(--accent);
  background:transparent;
  color:var(--text);
  text-decoration:none;
  font-weight:700;
  cursor:pointer;
  transition:transform .2s,background .2s,box-shadow .2s,color .2s;
}
.btn:hover{
  background:var(--accent);
  color:var(--bg-deep);
  transform:translate(-2px,-2px);
  box-shadow:4px 4px 0 var(--bg-mid);
}
.btn-accent{
  background:var(--accent);
  color:var(--bg-deep);
}
.btn-accent:hover{
  background:var(--bg-deep);
  color:var(--accent);
  border-color:var(--accent);
}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  list-style:none;
  margin:0 0 32px;
  padding:0;
  font-family:var(--font-mono);
  font-size:13px;
  color:var(--muted);
}
.breadcrumb li+li::before{
  content:"/";
  margin-right:8px;
  color:var(--accent);
}
.breadcrumb a{color:var(--muted);text-decoration:none}
.breadcrumb a:hover{color:var(--text)}
.breadcrumb a[aria-current="page"]{color:var(--text)}

.grid{display:grid;gap:clamp(16px,3vw,32px)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}

.data-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));
  gap:clamp(16px,3vw,28px);
}
.data-card{
  background:var(--card);
  border:2px solid var(--line);
  box-shadow:var(--shadow);
  padding:24px;
  transition:transform .2s,border-color .2s;
}
.data-card:hover{
  transform:translate(-2px,-2px);
  border-color:var(--accent);
}
.data-label{
  display:block;
  font-size:13px;
  letter-spacing:.14em;
  color:var(--muted);
  text-transform:uppercase;
  margin-bottom:10px;
}
.data-metric{
  display:block;
  font-family:var(--font-mono);
  font-size:clamp(30px,4vw,52px);
  line-height:1.1;
  color:var(--accent);
  font-weight:700;
}

.image-frame{
  position:relative;
  overflow:hidden;
  border:2px solid var(--line);
  background:linear-gradient(135deg,var(--bg-mid),var(--bg-deep));
  box-shadow:var(--shadow);
}
.image-frame::before{
  content:"";
  display:block;
  padding-top:56.25%;
}
.image-frame[data-ratio="4/3"]::before{padding-top:75%}
.image-frame::after{
  content:"LEBAO / VISUAL";
  position:absolute;
  right:12px;
  bottom:12px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.2em;
  color:var(--muted);
}
.image-frame>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}

.tag{
  display:inline-block;
  padding:4px 10px;
  border:1px solid var(--line);
  color:var(--muted);
  font-size:12px;
  letter-spacing:.08em;
}
.v-note{
  writing-mode:vertical-rl;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.24em;
  color:var(--muted);
  border-left:2px solid var(--accent);
  padding-left:8px;
}

html.js [data-reveal]{
  opacity:0;
  transform:translateY(24px);
  transition:opacity .7s ease,transform .7s ease;
}
html.js [data-reveal][data-revealed]{
  opacity:1;
  transform:none;
}

@media (max-width:1000px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .grid-3{grid-template-columns:1fr 1fr}
}

@media (max-width:900px){
  .site-nav{
    order:4;
    flex-basis:100%;
    width:100%;
    display:none;
    margin-left:0;
    border-top:1px solid var(--line);
  }
  .site-nav[data-open]{display:block}
  .nav-list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:8px 0;
  }
  .nav-link{
    justify-content:flex-start;
    padding:12px 16px;
    border-bottom:0;
    border-left:3px solid transparent;
  }
  .nav-link[aria-current="page"]{
    border-bottom:0;
    border-left-color:var(--accent);
  }
  .sync-status{
    order:2;
    margin-left:auto;
  }
  .nav-toggle{
    order:3;
    display:inline-flex;
  }
}

@media (max-width:520px){
  .brand-mark{width:36px;height:36px;font-size:15px;box-shadow:3px 3px 0 var(--bg-mid)}
  .brand-copy small{display:none}
  .brand-copy strong{font-size:17px}
  .sync-status{padding:6px 8px;font-size:11px}
  .nav-toggle{padding:6px 10px}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .status-dot{animation:none}
  .btn,.data-card,.nav-link{transition:none}
  html.js [data-reveal]{
    opacity:1;
    transform:none;
    transition:none;
  }
}