:root{
  --primary:#2980FE;
  --primary-soft:#EAF3FF;
  --primary-weak:#F4F8FF;
  --ink:#1E293B;
  --muted:#64748B;
  --soft:#F6F8FB;
  --line:#E5EAF1;
  --white:#FFFFFF;
  --deep:#0F172A;
  --radius-lg:30px;
  --radius-md:22px;
  --shadow:0 18px 55px rgba(30,41,59,.08);
}
*{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(--ink);
  background:linear-gradient(180deg,#FFFFFF 0%,#F8FBFF 38%,#FFFFFF 100%);
  line-height:1.72;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
p{margin:0 0 14px;color:var(--muted)}
h1,h2,h3{color:var(--deep);line-height:1.18;margin:0}
h1{font-size:clamp(34px,8vw,66px);letter-spacing:-1.8px}
h2{font-size:clamp(26px,5vw,42px);letter-spacing:-.8px}
h3{font-size:20px}
ul,ol{padding-left:20px;color:var(--muted)}
.container{
  width:min(1180px,calc(100% - 36px));
  margin:0 auto;
}
.site-header{
  position:sticky;
  top:0;
  z-index:40;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(229,234,241,.75);
}
.nav-wrap{
  width:min(1220px,calc(100% - 28px));
  margin:0 auto;
  min-height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--deep);font-size:19px}
.logo-img{width:38px;height:38px;border-radius:12px;object-fit:cover}
.site-nav{
  display:none;
  position:absolute;
  top:72px;
  left:14px;
  right:14px;
  padding:14px;
  border:1px solid var(--line);
  border-radius:22px;
  background:var(--white);
  box-shadow:var(--shadow);
}
.site-nav.is-open{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.site-nav a{
  padding:10px 12px;
  border-radius:14px;
  color:#475569;
  font-size:14px;
  font-weight:650;
}
.site-nav a:hover{background:var(--primary-soft);color:var(--primary)}
.nav-toggle{
  border:1px solid var(--line);
  background:var(--white);
  border-radius:14px;
  padding:8px 12px;
  color:var(--deep);
  font-size:20px;
}
.section{padding:68px 0}
.section-tight{padding:44px 0}
.eyebrow,.category-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 12px;
  color:var(--primary);
  background:var(--primary-soft);
  border:1px solid rgba(41,128,254,.14);
  border-radius:999px;
  font-weight:800;
  font-size:13px;
  letter-spacing:.4px;
}
.download-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:50px;
  padding:0 24px;
  border-radius:999px;
  background:var(--primary);
  color:#fff;
  font-weight:850;
  box-shadow:0 16px 34px rgba(41,128,254,.28);
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.download-btn:hover{transform:translateY(-2px);box-shadow:0 20px 42px rgba(41,128,254,.34);background:#1f72ec}
.link-arrow{font-weight:800;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.link-arrow:after{content:"›";font-size:20px;line-height:1}
.web3-dashboard-hero{
  position:relative;
  padding:54px 0 46px;
  overflow:hidden;
}
.web3-dashboard-hero:before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 16% 10%,rgba(41,128,254,.16),transparent 34%),
    radial-gradient(circle at 86% 20%,rgba(41,128,254,.11),transparent 32%);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  gap:28px;
  align-items:center;
}
.hero-copy{
  background:rgba(255,255,255,.76);
  border:1px solid rgba(229,234,241,.78);
  border-radius:var(--radius-lg);
  padding:30px;
  box-shadow:var(--shadow);
}
.hero-copy p{font-size:17px;margin:18px 0 22px}
.security-tags,.tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:20px;
}
.security-tags span,.tag-row span,.mini-tag{
  display:inline-flex;
  padding:7px 11px;
  border-radius:999px;
  background:#F7FAFF;
  border:1px solid var(--line);
  color:#475569;
  font-weight:750;
  font-size:13px;
}
.hero-console{
  position:relative;
  background:linear-gradient(180deg,#FFFFFF,#F4F8FF);
  border:1px solid rgba(229,234,241,.9);
  border-radius:32px;
  padding:18px;
  box-shadow:var(--shadow);
}
.product-visual{
  border-radius:26px;
  background:#fff;
  border:1px solid var(--line);
  padding:18px;
  min-height:280px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.product-visual img{max-height:420px;object-fit:contain;margin:auto}
.status-panel{
  margin-top:14px;
  display:grid;
  gap:10px;
}
.status-card{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:13px 14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
}
.status-card strong{color:var(--deep);font-size:14px}
.status-card span{color:var(--primary);font-weight:900;font-size:12px}
.service-index{
  display:grid;
  gap:14px;
  margin-top:22px;
}
.service-card,.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:22px;
  box-shadow:0 14px 40px rgba(15,23,42,.05);
}
.service-card small{
  display:inline-flex;
  color:var(--primary);
  background:var(--primary-soft);
  padding:5px 9px;
  border-radius:999px;
  font-weight:850;
  margin-bottom:10px;
}
.service-card p{min-height:54px}
.module-head{
  display:grid;
  gap:12px;
  margin-bottom:24px;
}
.module-head p{font-size:16px;max-width:760px}
.digital-assets-hub,.web3-ecosystem-section,.hardware-wallet-section,.swap-service-section,.developer-center-section{
  display:grid;
  gap:24px;
  align-items:center;
  background:#fff;
  border:1px solid var(--line);
  border-radius:32px;
  padding:24px;
  box-shadow:var(--shadow);
}
.web3-ecosystem-section,.swap-service-section{
  background:linear-gradient(135deg,#fff 0%,#F6FAFF 100%);
}
.hardware-wallet-section{
  background:linear-gradient(135deg,#F7FAFF 0%,#FFFFFF 72%);
}
.feature-list{
  display:grid;
  gap:12px;
  margin:18px 0;
}
.feature-list li{
  list-style:none;
  padding:13px 14px;
  border:1px solid var(--line);
  border-radius:16px;
  background:#fff;
  color:#475569;
  font-weight:650;
}
.image-card{
  padding:16px;
  border-radius:28px;
  background:#F8FBFF;
  border:1px solid var(--line);
}
.image-card img{
  border-radius:22px;
  object-fit:contain;
  margin:auto;
  max-height:360px;
}
.privacy-boundary-section,.submit-chain-section{
  display:grid;
  gap:16px;
}
.boundary-panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:28px;
  padding:24px;
  box-shadow:var(--shadow);
  border-left:5px solid var(--primary);
}
.boundary-grid,.category-grid,.risk-grid,.faq-grid{
  display:grid;
  gap:14px;
}
.category-grid .card strong,.boundary-grid .card strong,.risk-card strong{display:block;color:var(--deep);margin-bottom:8px}
.submit-chain-section .card{
  background:linear-gradient(180deg,#fff,#F8FBFF);
}
.code-panel{
  background:#0F172A;
  color:#DDEAFF;
  border-radius:24px;
  padding:22px;
  overflow:hidden;
  border:1px solid rgba(41,128,254,.2);
}
.code-panel pre{
  margin:0;
  white-space:pre-wrap;
  color:#DDEAFF;
  font-size:13px;
  line-height:1.8;
}
.code-panel .code-dot{display:flex;gap:6px;margin-bottom:14px}
.code-panel .code-dot span{width:10px;height:10px;border-radius:50%;background:#DDEAFF;opacity:.7}
.process-steps{
  display:grid;
  gap:14px;
  counter-reset:step;
}
.step-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:22px;
  padding:22px;
  box-shadow:0 10px 26px rgba(15,23,42,.04);
}
.step-card .num{
  width:38px;
  height:38px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:14px;
  background:var(--primary);
  color:#fff;
  font-weight:900;
  margin-bottom:12px;
}
.risk-card{
  background:#fff;
  border:1px solid var(--line);
  border-left:4px solid var(--primary);
  border-radius:22px;
  padding:20px;
}
.risk-card em{
  display:block;
  font-style:normal;
  color:#475569;
  font-weight:750;
  margin-top:8px;
}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:22px;
  padding:20px;
}
.faq-item h3{margin-bottom:8px}
.cta-section{
  text-align:center;
  background:linear-gradient(135deg,#F4F8FF,#FFFFFF);
  border:1px solid var(--line);
  border-radius:32px;
  padding:34px 22px;
  box-shadow:var(--shadow);
}
.page-hero{
  padding:48px 0 22px;
}
.page-hero .page-panel{
  background:linear-gradient(135deg,#FFFFFF 0%,#F5F9FF 100%);
  border:1px solid var(--line);
  border-radius:32px;
  padding:28px;
  box-shadow:var(--shadow);
}
.page-hero p{font-size:17px;max-width:850px;margin-top:16px}
.content-layout{
  display:grid;
  gap:20px;
  align-items:start;
}
.article-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:28px;
  padding:24px;
  box-shadow:0 12px 34px rgba(15,23,42,.05);
}
.article-card h2,.article-card h3{margin:4px 0 12px}
.side-panel{
  background:#F8FBFF;
  border:1px solid var(--line);
  border-radius:24px;
  padding:22px;
}
.check-list{
  display:grid;
  gap:10px;
  margin:16px 0 0;
  padding:0;
}
.check-list li{
  list-style:none;
  padding:12px 13px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:15px;
  color:#475569;
}
.check-list li:before{
  content:"✓";
  color:var(--primary);
  font-weight:900;
  margin-right:8px;
}
.notice{
  padding:18px;
  border-radius:20px;
  background:var(--primary-soft);
  border:1px solid rgba(41,128,254,.16);
  color:#475569;
}
.download-zone{
  margin-top:22px;
  padding-top:18px;
  border-top:1px solid var(--line);
}
.site-footer{
  margin-top:70px;
  background:#F6F8FB;
  border-top:1px solid var(--line);
}
.footer-grid{
  display:grid;
  gap:24px;
  padding:38px 0;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px;color:var(--deep)}
.footer-logo{width:34px;height:34px;border-radius:10px}
.site-footer h3{font-size:16px;margin-bottom:10px}
.site-footer a{
  display:block;
  color:#64748B;
  margin:7px 0;
  font-weight:650;
}
.site-footer a:hover{color:var(--primary)}
.footer-bottom{
  text-align:center;
  padding:18px;
  color:#64748B;
  border-top:1px solid var(--line);
  font-size:14px;
}
@media (min-width:680px){
  .service-index{grid-template-columns:repeat(2,1fr)}
  .category-grid,.boundary-grid,.faq-grid{grid-template-columns:repeat(2,1fr)}
  .risk-grid{grid-template-columns:repeat(2,1fr)}
  .process-steps{grid-template-columns:repeat(2,1fr)}
  .status-panel{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:960px){
  .nav-toggle{display:none}
  .site-nav{
    display:flex;
    align-items:center;
    justify-content:flex-end;
    position:static;
    padding:0;
    border:0;
    box-shadow:none;
    background:transparent;
    gap:2px;
  }
  .site-nav a{font-size:13px;padding:8px 10px}
  .hero-grid{grid-template-columns:1.02fr .98fr;gap:34px}
  .hero-copy{padding:42px}
  .service-index{grid-template-columns:repeat(4,1fr)}
  .digital-assets-hub,.web3-ecosystem-section,.hardware-wallet-section,.swap-service-section,.developer-center-section{
    grid-template-columns:1fr 1fr;
    padding:34px;
  }
  .web3-ecosystem-section .image-card,.swap-service-section .image-card{order:-1}
  .privacy-boundary-section,.submit-chain-section{grid-template-columns:1.05fr .95fr}
  .category-grid{grid-template-columns:repeat(4,1fr)}
  .risk-grid{grid-template-columns:repeat(3,1fr)}
  .process-steps{grid-template-columns:repeat(3,1fr)}
  .content-layout{grid-template-columns:minmax(0,1fr) 330px}
  .footer-grid{grid-template-columns:1.5fr .75fr .75fr}
}
@media (min-width:1180px){
  .site-nav a{font-size:14px;padding:9px 11px}
}
@media (max-width:420px){
  .container{width:min(100% - 24px,1180px)}
  .hero-copy,.page-hero .page-panel,.article-card{padding:22px}
  .site-nav.is-open{grid-template-columns:1fr}
  .download-btn{width:100%;min-height:52px}
}