*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#f7f7f2;background:#0b0c10;letter-spacing:0;overflow-x:hidden}
body:before{content:"";position:fixed;inset:0;z-index:-2;background:linear-gradient(90deg,rgba(234,255,123,.06) 1px,transparent 1px),linear-gradient(0deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:72px 72px}
body:after{content:"";position:fixed;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(11,12,16,.1),#0b0c10 70%)}
a{color:inherit;text-decoration:none}
.topbar{width:min(1180px,92%);margin:18px auto 0;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:12px 14px;border:1px solid rgba(255,255,255,.15);background:rgba(11,12,16,.78);border-radius:8px;position:sticky;top:14px;z-index:30;backdrop-filter:blur(16px)}
.brand{display:flex;align-items:center;gap:10px;font-weight:950;font-size:19px;white-space:nowrap}
.brand img{width:38px;height:38px;border-radius:8px;display:block}
.topbar nav{display:flex;gap:28px;color:#cfd4cc;font-size:14px}
.download,.ghost{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 24px;border-radius:8px;font-weight:900}
.download{background:#eaff7b;color:#0b0c10;box-shadow:0 18px 36px rgba(234,255,123,.16)}
.download.small{min-height:40px;padding:0 18px}
.ghost{border:1px solid rgba(255,255,255,.2);color:#f7f7f2;background:rgba(255,255,255,.04)}
.hero{width:min(1180px,92%);margin:64px auto 86px;display:grid;grid-template-columns:minmax(0,1fr) 500px;gap:54px;align-items:center}
.hero-panel{padding:22px 0}
.status-line{display:inline-flex;align-items:center;gap:10px;margin-bottom:18px;color:#eaff7b;font-weight:900;font-size:14px}
.status-line span{width:10px;height:10px;border-radius:50%;background:#35d0ba;box-shadow:0 0 0 7px rgba(53,208,186,.14)}
h1,h2,h3,p{letter-spacing:0}
h1{max-width:760px;margin:0;font-size:70px;line-height:1.05;color:#fff}
.hero-panel p{max-width:630px;margin:24px 0 0;color:#cfd4cc;font-size:18px;line-height:1.8}
.hero-actions{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.network-stage{height:520px;position:relative;border:1px solid rgba(255,255,255,.16);border-radius:8px;overflow:hidden;background:rgba(255,255,255,.035);box-shadow:0 26px 80px rgba(0,0,0,.32)}
.stage-grid{position:absolute;inset:0;background:linear-gradient(90deg,rgba(234,255,123,.08) 1px,transparent 1px),linear-gradient(0deg,rgba(53,208,186,.08) 1px,transparent 1px);background-size:44px 44px}
.core{position:absolute;left:50%;top:50%;width:132px;height:132px;transform:translate(-50%,-50%);display:grid;place-items:center;border-radius:50%;background:#f7f7f2;box-shadow:0 0 0 12px rgba(234,255,123,.08),0 0 60px rgba(234,255,123,.22)}
.core img{width:70px;height:70px;border-radius:18px}
.core strong{position:absolute;bottom:24px;color:#0b0c10;font-size:12px}
.link{position:absolute;height:2px;background:linear-gradient(90deg,transparent,#eaff7b,#35d0ba,transparent);transform-origin:left center;opacity:.9}
.link-a{width:210px;left:245px;top:188px;transform:rotate(-22deg)}
.link-b{width:205px;left:122px;top:300px;transform:rotate(156deg)}
.link-c{width:210px;left:245px;top:330px;transform:rotate(28deg)}
.node{position:absolute;width:96px;height:76px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.2);border-radius:8px;background:#111318;box-shadow:0 18px 34px rgba(0,0,0,.28)}
.node b{font-size:26px;color:#fff}
.node span{color:#eaff7b;font-weight:900}
.node-a{right:54px;top:128px}
.node-b{left:48px;bottom:142px}
.node-c{right:84px;bottom:78px}
.metric{position:absolute;left:28px;top:28px;width:190px;padding:18px;border-radius:8px;background:#f7f7f2;color:#111318}
.metric span{display:block;font-size:13px;color:#4b5563;font-weight:800}
.metric strong{display:block;margin:6px 0 14px;font-size:25px}
.metric em{display:block;height:8px;border-radius:999px;background:linear-gradient(90deg,#ff4d8d 0 74%,#d9dde5 74% 100%)}
section{width:min(1180px,92%);margin:0 auto 82px}
.nodes{display:grid;grid-template-columns:370px 1fr;gap:36px;align-items:start;padding:34px 0;border-top:1px solid rgba(255,255,255,.14);border-bottom:1px solid rgba(255,255,255,.14)}
.node-copy p,.faq>div:first-child p{margin:0 0 12px;color:#eaff7b;font-weight:900}
.node-copy h2,.faq h2{margin:0;font-size:42px;line-height:1.18}
.node-table{display:grid;gap:10px}
.node-table div{display:grid;grid-template-columns:1fr 90px 110px;align-items:center;gap:14px;padding:18px 20px;border-radius:8px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12)}
.node-table span{font-weight:900}
.node-table b{color:#eaff7b;font-size:22px}
.node-table em{font-style:normal;color:#35d0ba;font-weight:900}
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.features article{padding:24px;border-radius:8px;background:#f7f7f2;color:#111318}
.features span{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:8px;background:#ff4d8d;color:#fff;font-weight:950}
.features h3{margin:22px 0 10px;font-size:21px}
.features p{margin:0;color:#4b5563;line-height:1.68}
.faq{display:grid;grid-template-columns:360px 1fr;gap:34px;align-items:start}
.faq-list{display:grid;gap:12px}
.faq details{padding:20px 22px;border-radius:8px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.055)}
.faq summary{cursor:pointer;font-size:18px;font-weight:900}
.faq p{margin:12px 0 0;color:#cfd4cc;line-height:1.7}
footer{text-align:center;color:#aeb5aa;padding:36px 16px 44px}
@media(max-width:980px){
  .topbar nav{display:none}
  .hero{grid-template-columns:1fr;gap:36px;margin-top:46px}
  h1{font-size:50px}
  .network-stage{height:470px}
  .nodes,.faq{grid-template-columns:1fr}
  .features{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:600px){
  .topbar{width:94%;gap:10px}
  .brand span{font-size:16px}
  .download.small{padding:0 12px;font-size:13px}
  h1{font-size:38px}
  .hero-panel p{font-size:16px}
  .download,.ghost{width:100%;min-height:50px}
  .network-stage{height:430px}
  .core{width:108px;height:108px}
  .core img{width:58px;height:58px}
  .metric{left:14px;top:14px;width:160px}
  .node{width:82px;height:66px}
  .node-a{right:18px;top:126px}
  .node-b{left:18px;bottom:120px}
  .node-c{right:30px;bottom:54px}
  .features,.node-table div{grid-template-columns:1fr}
  .node-table div{gap:8px}
}