:root{
  --primary:#2980FE;
  --primary-dark:#1267E4;
  --bg:#ffffff;
  --soft:#F4F7FB;
  --soft-blue:#EFF6FF;
  --line:#DFE7F1;
  --text:#202A37;
  --muted:#65758B;
  --deep:#111827;
  --card:#ffffff;
  --shadow:0 18px 50px rgba(24, 58, 112, .10);
  --radius:28px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang TC","Microsoft JhengHei",Arial,sans-serif;
  color:var(--text);
  background:linear-gradient(180deg,#fff 0%,#F7FAFF 38%,#fff 100%);
  line-height:1.7;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.container{width:min(1120px,calc(100% - 32px));margin:0 auto}
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(255,255,255,.88);
  border-bottom:1px solid rgba(223,231,241,.82);
  backdrop-filter:blur(18px);
}
.header-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--deep);letter-spacing:.2px}
.logo,.footer-logo{width:36px;height:36px;border-radius:12px;object-fit:cover}
.site-nav{display:none;position:absolute;left:16px;right:16px;top:72px;padding:14px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}
.site-nav.is-open{display:grid;gap:6px}
.site-nav a{padding:10px 12px;border-radius:14px;color:#334155;font-weight:650;font-size:14px}
.site-nav a:hover{background:var(--soft-blue);color:var(--primary)}
.nav-toggle{width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:14px;display:grid;place-items:center;gap:4px;padding:10px;cursor:pointer}
.nav-toggle span{width:18px;height:2px;background:var(--deep);border-radius:99px}
section{padding:54px 0}
.eyebrow,.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--primary);
  background:rgba(41,128,254,.10);
  border:1px solid rgba(41,128,254,.18);
  border-radius:999px;
  padding:7px 12px;
  font-size:13px;
  font-weight:800;
}
.launch-hero{
  position:relative;
  padding:60px 0 36px;
  overflow:hidden;
}
.launch-hero:before{
  content:"";
  position:absolute;
  width:520px;height:520px;
  right:-220px;top:-210px;
  background:radial-gradient(circle,rgba(41,128,254,.22),rgba(41,128,254,0) 66%);
  pointer-events:none;
}
.launch-grid{
  display:grid;
  gap:34px;
  align-items:center;
}
.hero-copy h1,.page-hero h1{
  margin:16px 0 16px;
  font-size:clamp(38px,10vw,78px);
  line-height:1.06;
  letter-spacing:-1.8px;
  color:var(--deep);
}
.hero-copy p,.lead{
  font-size:clamp(16px,3.8vw,20px);
  color:var(--muted);
  margin:0 0 24px;
}
.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.download-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:52px;
  padding:0 24px;
  border-radius:999px;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;
  font-weight:850;
  box-shadow:0 14px 30px rgba(41,128,254,.28);
  border:0;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease;
}
.download-btn:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(41,128,254,.33)}
.safety-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.safety-tags span{
  border:1px solid var(--line);
  border-radius:999px;
  padding:8px 12px;
  color:#475569;
  background:rgba(255,255,255,.8);
  font-size:13px;
}
.hero-visual{
  position:relative;
  min-height:380px;
  border-radius:34px;
  background:linear-gradient(145deg,#F8FBFF,#EDF5FF);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  display:grid;
  place-items:center;
  padding:26px;
  overflow:hidden;
}
.hero-visual:after{
  content:"";
  position:absolute;
  inset:42px;
  border-radius:30px;
  border:1px solid rgba(41,128,254,.12);
}
.hero-phone{
  position:relative;
  z-index:2;
  max-height:420px;
  object-fit:contain;
  filter:drop-shadow(0 26px 42px rgba(27,58,105,.18));
}
.float-tag{
  position:absolute;
  z-index:3;
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:9px 12px;
  background:rgba(255,255,255,.92);
  border:1px solid rgba(223,231,241,.9);
  border-radius:999px;
  box-shadow:0 10px 28px rgba(30,64,122,.10);
  font-size:13px;
  font-weight:800;
  color:#334155;
}
.float-tag b{width:8px;height:8px;border-radius:50%;background:var(--primary);display:block}
.tag-one{left:18px;top:26px}
.tag-two{right:16px;top:92px}
.tag-three{left:22px;bottom:84px}
.tag-four{right:18px;bottom:26px}
.highlight-bar,.category-grid,.risk-grid,.faq-grid{
  display:grid;
  gap:14px;
}
.highlight-card,.category-card,.risk-card,.faq-item,.info-card,.step-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:22px;
  padding:20px;
  box-shadow:0 10px 30px rgba(24,58,112,.06);
}
.highlight-card small,.category-card small,.risk-card small{
  color:var(--primary);
  font-weight:850;
  letter-spacing:.2px;
}
.highlight-card h3,.category-card h3,.risk-card h3,.faq-item h3{margin:8px 0 8px;color:var(--deep);line-height:1.3}
.highlight-card p,.category-card p,.risk-card p,.faq-item p,.info-card p,.step-card p{margin:0;color:var(--muted)}
.card-link{
  display:inline-flex;
  margin-top:14px;
  color:var(--primary);
  font-weight:850;
}
.section-title{
  max-width:760px;
  margin:0 0 22px;
}
.section-title.center{text-align:center;margin-left:auto;margin-right:auto}
.section-title h2{
  margin:12px 0;
  font-size:clamp(30px,7vw,50px);
  line-height:1.12;
  letter-spacing:-1px;
  color:var(--deep);
}
.section-title p{color:var(--muted);font-size:17px;margin:0}
.big-feature-card,.launch-card{
  display:grid;
  gap:24px;
  align-items:center;
  padding:26px;
  border:1px solid var(--line);
  border-radius:32px;
  background:#fff;
  box-shadow:var(--shadow);
  overflow:hidden;
}
.big-feature-card.alt{background:linear-gradient(145deg,#F7FAFF,#fff)}
.wallet-feature,.cold-wallet-feature,.swap-feature,.dapp-feature{position:relative}
.feature-copy h2{font-size:clamp(28px,7vw,48px);line-height:1.14;margin:10px 0;color:var(--deep)}
.feature-copy p{color:var(--muted);font-size:16px;margin:0 0 16px}
.feature-list{list-style:none;padding:0;margin:18px 0;display:grid;gap:10px}
.feature-list li{
  position:relative;
  padding-left:26px;
  color:#425466;
}
.feature-list li:before{
  content:"";
  position:absolute;
  left:0;top:.65em;
  width:10px;height:10px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 0 5px rgba(41,128,254,.12);
}
.feature-media{
  min-height:260px;
  display:grid;
  place-items:center;
  border-radius:28px;
  background:linear-gradient(145deg,#EEF6FF,#F9FBFF);
  border:1px solid rgba(223,231,241,.9);
  padding:20px;
}
.feature-media img{max-height:360px;object-fit:contain;filter:drop-shadow(0 22px 38px rgba(27,58,105,.16))}
.check-panel{
  background:var(--soft);
  border:1px solid var(--line);
  border-radius:24px;
  padding:18px;
  display:grid;
  gap:12px;
}
.check-panel div{
  display:flex;gap:10px;align-items:flex-start;color:#475569;
}
.check-panel span{
  min-width:24px;height:24px;border-radius:50%;
  background:#fff;color:var(--primary);
  display:grid;place-items:center;font-weight:900;
  border:1px solid rgba(41,128,254,.2);
}
.process-steps{
  display:grid;
  gap:14px;
  counter-reset:steps;
}
.step-card{position:relative;overflow:hidden}
.step-card:before{
  counter-increment:steps;
  content:counter(steps, decimal-leading-zero);
  display:inline-flex;
  color:var(--primary);
  font-size:14px;
  font-weight:900;
  background:rgba(41,128,254,.10);
  border-radius:999px;
  padding:6px 10px;
  margin-bottom:12px;
}
.risk-card{
  border-left:4px solid var(--primary);
}
.cta-section{
  padding:56px 0 70px;
}
.cta-box{
  text-align:center;
  border-radius:34px;
  padding:34px 20px;
  background:
    radial-gradient(circle at 20% 20%,rgba(41,128,254,.18),transparent 32%),
    linear-gradient(145deg,#EFF6FF,#fff);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.cta-box h2{font-size:clamp(28px,7vw,46px);margin:0 0 12px;color:var(--deep)}
.cta-box p{max-width:660px;margin:0 auto 22px;color:var(--muted)}
.page-hero{
  padding:54px 0 28px;
  background:
    radial-gradient(circle at 86% 10%,rgba(41,128,254,.14),transparent 34%),
    linear-gradient(180deg,#fff,#F7FAFF);
}
.page-layout{
  display:grid;
  gap:22px;
  padding:34px 0 70px;
}
.article-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:30px;
  padding:24px;
  box-shadow:var(--shadow);
}
.article-card h2{margin:6px 0 12px;color:var(--deep);font-size:28px}
.article-card h3{margin:22px 0 8px;color:var(--deep)}
.article-card p{color:var(--muted);margin:0 0 14px}
.article-card ul,.article-card ol{color:#475569;padding-left:22px}
.article-card li{margin:8px 0}
.side-panel{
  background:linear-gradient(145deg,#F5F9FF,#fff);
  border:1px solid var(--line);
  border-radius:28px;
  padding:22px;
  height:max-content;
}
.side-panel h3{margin:0 0 12px;color:var(--deep)}
.side-panel a{display:block;color:var(--primary);font-weight:850;margin:10px 0}
.notice{
  border:1px solid rgba(41,128,254,.18);
  background:rgba(41,128,254,.08);
  border-radius:22px;
  padding:18px;
  color:#36506f;
  margin:18px 0;
}
.kit-grid{display:grid;gap:14px;margin:20px 0}
.kit-grid .info-card{box-shadow:none}
.download-panel{
  margin-top:20px;
  padding:22px;
  border-radius:26px;
  border:1px solid var(--line);
  background:linear-gradient(145deg,#F8FBFF,#fff);
}
.download-panel p{margin:0 0 16px;color:var(--muted)}
.site-footer{
  background:#F4F7FB;
  border-top:1px solid var(--line);
  padding-top:42px;
}
.footer-grid{display:grid;gap:24px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px;color:var(--deep)}
.site-footer p{color:var(--muted);margin:0;max-width:420px}
.site-footer h3{font-size:15px;margin:0 0 10px;color:var(--deep)}
.site-footer a{display:block;color:#64748B;margin:8px 0;font-size:14px}
.site-footer a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:34px;
  padding:18px 0;
  text-align:center;
  color:#718096;
  font-size:13px;
  border-top:1px solid var(--line);
}
.app-category-center{padding-top:30px}
.faq-list{display:grid;gap:14px}
.faq-item details{display:block}
.faq-item summary{cursor:pointer;font-weight:850;color:var(--deep)}
.faq-item details p{margin-top:12px}
@media (min-width:640px){
  .highlight-bar,.category-grid{grid-template-columns:repeat(2,1fr)}
  .risk-grid{grid-template-columns:repeat(2,1fr)}
  .process-steps{grid-template-columns:repeat(2,1fr)}
  .kit-grid{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:900px){
  .nav-toggle{display:none}
  .site-nav{
    position:static;
    display:flex;
    align-items:center;
    gap:4px;
    padding:0;
    border:0;
    box-shadow:none;
    background:transparent;
  }
  .site-nav a{font-size:13px;padding:8px 10px}
  .launch-grid{grid-template-columns:1.02fr .98fr}
  .highlight-bar{grid-template-columns:repeat(3,1fr)}
  .big-feature-card,.launch-card{grid-template-columns:1fr 1fr;padding:34px}
  .big-feature-card.reverse .feature-media{order:-1}
  .risk-grid{grid-template-columns:repeat(4,1fr)}
  .category-grid{grid-template-columns:repeat(4,1fr)}
  .process-steps{grid-template-columns:repeat(3,1fr)}
  .page-layout{grid-template-columns:minmax(0,1fr) 320px;align-items:start}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}
  section{padding:72px 0}
}
@media (min-width:1120px){
  .site-nav a{font-size:14px;padding:9px 12px}
  .hero-visual{min-height:560px}
}