:root{
  --primary:#2980FE;
  --primary-dark:#1767d9;
  --white:#ffffff;
  --gray-50:#f7faff;
  --gray-100:#eef4fb;
  --gray-200:#dce6f2;
  --gray-500:#667085;
  --gray-700:#344054;
  --gray-900:#101828;
  --blue-soft:#edf5ff;
  --radius:24px;
  --shadow:0 16px 44px rgba(41,128,254,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC","PingFang TC","Microsoft JhengHei",Arial,sans-serif;
  color:var(--gray-900);
  background:linear-gradient(180deg,#fff 0%,#f7faff 42%,#fff 100%);
  line-height:1.72;
  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,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--gray-200)}
.header-inner{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--gray-900);letter-spacing:.02em}
.logo img{width:34px;height:34px;object-fit:contain;border-radius:10px}
.site-nav{display:none;position:absolute;left:16px;right:16px;top:72px;background:var(--white);border:1px solid var(--gray-200);border-radius:20px;box-shadow:var(--shadow);padding:10px}
.site-nav.open{display:grid;gap:4px}
.site-nav a{padding:12px 14px;border-radius:14px;color:var(--gray-700);font-size:15px}
.site-nav a.active,.site-nav a:hover{background:var(--blue-soft);color:var(--primary)}
.nav-toggle{border:1px solid var(--gray-200);background:var(--white);color:var(--gray-900);font-size:22px;border-radius:14px;width:44px;height:44px}
main{display:block}
.section{padding:56px 0}
.section-title{font-size:clamp(28px,5vw,44px);line-height:1.18;margin:0 0 14px;color:var(--gray-900);letter-spacing:-.03em}
.section-lead{font-size:17px;color:var(--gray-500);margin:0 0 28px;max-width:760px}
.eyebrow,.category-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:var(--blue-soft);color:var(--primary);font-size:13px;font-weight:700;margin-bottom:14px}
.download-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;border-radius:16px;background:var(--primary);color:#fff;font-weight:800;box-shadow:0 12px 30px rgba(41,128,254,.26);border:0;transition:transform .18s ease,box-shadow .18s ease,background .18s ease;white-space:nowrap}
.download-btn:hover{transform:translateY(-2px);background:var(--primary-dark);box-shadow:0 16px 34px rgba(41,128,254,.32)}
.web3-dashboard-hero{position:relative;padding:48px 0 36px;overflow:hidden}
.web3-dashboard-hero:before{content:"";position:absolute;inset:-120px -20% auto auto;width:540px;height:540px;background:radial-gradient(circle,rgba(41,128,254,.20),rgba(41,128,254,0) 65%);pointer-events:none}
.hero-grid{display:grid;gap:28px;align-items:center}
.hero-copy{padding:28px;background:rgba(255,255,255,.82);border:1px solid var(--gray-200);border-radius:30px;box-shadow:var(--shadow)}
.hero-copy h1{font-size:clamp(34px,9vw,62px);line-height:1.04;margin:0 0 18px;letter-spacing:-.05em}
.hero-copy p{font-size:18px;color:var(--gray-500);margin:0 0 22px}
.safe-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.safe-tags span{padding:8px 11px;border:1px solid var(--gray-200);border-radius:999px;background:#fff;color:var(--gray-700);font-size:13px}
.hero-panel{display:grid;gap:14px;background:linear-gradient(145deg,#fff,#edf5ff);border:1px solid var(--gray-200);border-radius:30px;padding:18px;box-shadow:var(--shadow)}
.hero-visual{position:relative;display:grid;place-items:center;background:#fff;border:1px solid var(--gray-200);border-radius:24px;padding:18px;min-height:260px;overflow:hidden}
.hero-visual:after{content:"";position:absolute;inset:auto -40px -60px auto;width:180px;height:180px;background:rgba(41,128,254,.13);border-radius:50%}
.hero-visual img{max-height:360px;object-fit:contain;position:relative;z-index:1}
.status-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.status-card{background:#fff;border:1px solid var(--gray-200);border-radius:18px;padding:14px;min-height:98px}
.status-card strong{display:block;color:var(--gray-900);margin-bottom:5px}
.status-card span{color:var(--gray-500);font-size:13px;line-height:1.45}
.service-index{display:grid;grid-template-columns:1fr;gap:14px}
.service-card{background:var(--white);border:1px solid var(--gray-200);border-radius:22px;padding:20px;box-shadow:0 10px 28px rgba(16,24,40,.04);transition:transform .18s ease,border-color .18s ease}
.service-card:hover{transform:translateY(-3px);border-color:rgba(41,128,254,.36)}
.service-card .tag{display:inline-block;color:var(--primary);background:var(--blue-soft);border-radius:999px;padding:4px 9px;font-size:12px;font-weight:800;margin-bottom:10px}
.service-card h3{margin:0 0 8px;font-size:20px}
.service-card p{color:var(--gray-500);margin:0 0 14px;font-size:15px}
.text-link{display:inline-flex;color:var(--primary);font-weight:800}
.digital-assets-hub,.web3-ecosystem-section,.hardware-wallet-section,.swap-service-section,.privacy-boundary-section,.submit-chain-section,.developer-center-section,.content-card{border:1px solid var(--gray-200);border-radius:30px;padding:24px;background:var(--white);box-shadow:var(--shadow)}
.digital-assets-hub,.web3-ecosystem-section,.hardware-wallet-section,.swap-service-section{display:grid;gap:24px;align-items:center}
.hardware-wallet-section,.privacy-boundary-section{background:linear-gradient(135deg,#f7faff,#fff)}
.module-image{background:var(--gray-50);border:1px solid var(--gray-200);border-radius:24px;padding:18px;display:grid;place-items:center;min-height:230px}
.module-image img{max-height:320px;object-fit:contain}
.feature-list{display:grid;gap:12px;margin:20px 0 0;padding:0;list-style:none}
.feature-list li{display:flex;gap:10px;align-items:flex-start;color:var(--gray-700)}
.feature-list li:before{content:"";width:9px;height:9px;background:var(--primary);border-radius:50%;margin-top:10px;flex:0 0 auto}
.two-column{display:grid;gap:18px}
.boundary-panel,.ecosystem-panel,.code-panel,.safety-panel{background:var(--gray-50);border:1px solid var(--gray-200);border-radius:24px;padding:20px}
.boundary-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.boundary-tags span{padding:8px 10px;border-radius:999px;background:#fff;border:1px solid var(--gray-200);color:var(--primary);font-weight:700;font-size:13px}
.ecosystem-panel ul,.safety-panel ul,.check-list{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:10px}
.ecosystem-panel li,.safety-panel li,.check-list li{padding:12px 14px;border-radius:16px;background:#fff;border:1px solid var(--gray-200);color:var(--gray-700)}
.code-panel{font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;color:var(--gray-700);background:#f4f8ff}
.code-line{display:block;padding:9px 0;border-bottom:1px solid var(--gray-200)}
.category-grid{display:grid;gap:14px}
.process-steps{display:grid;gap:14px;counter-reset:step}
.step-card{position:relative;background:#fff;border:1px solid var(--gray-200);border-radius:22px;padding:20px;box-shadow:0 8px 20px rgba(16,24,40,.04)}
.step-card:before{counter-increment:step;content:counter(step);display:inline-grid;place-items:center;width:32px;height:32px;border-radius:11px;background:var(--primary);color:#fff;font-weight:900;margin-bottom:12px}
.step-card h3{margin:0 0 8px}.step-card p{margin:0 0 10px;color:var(--gray-500)}
.risk-grid{display:grid;gap:14px}
.risk-card{background:#fff;border:1px solid var(--gray-200);border-left:4px solid var(--primary);border-radius:20px;padding:18px}
.risk-card h3{margin:0 0 8px}.risk-card p{margin:0 0 10px;color:var(--gray-500)}
.faq-list{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--gray-200);border-radius:20px;padding:18px}
.faq-item h3,.faq-item h2{font-size:18px;margin:0 0 8px}.faq-item p{margin:0;color:var(--gray-500)}
.cta-section{padding:56px 0;text-align:center;background:linear-gradient(135deg,#edf5ff,#fff);border-top:1px solid var(--gray-200);border-bottom:1px solid var(--gray-200)}
.cta-box{max-width:760px;margin:0 auto;background:#fff;border:1px solid var(--gray-200);border-radius:30px;padding:28px;box-shadow:var(--shadow)}
.cta-box h2{font-size:clamp(26px,5vw,38px);margin:0 0 12px}.cta-box p{color:var(--gray-500);margin:0 0 22px}
.page-hero{padding:48px 0 28px}.page-hero .content-card{background:linear-gradient(135deg,#fff,#f7faff)}
.page-hero h1{font-size:clamp(32px,7vw,54px);line-height:1.12;margin:0 0 14px;letter-spacing:-.04em}.page-hero p{font-size:17px;color:var(--gray-500);margin:0;max-width:800px}
.content-layout{display:grid;gap:22px;align-items:start}.article-body{display:grid;gap:18px}.article-body p{margin:0;color:var(--gray-700)}
.info-card{background:#fff;border:1px solid var(--gray-200);border-radius:22px;padding:20px}.info-card h2,.info-card h3{margin:0 0 10px}.info-card p{margin:0;color:var(--gray-500)}
.sidebar{display:grid;gap:14px}.sidebar-card{border:1px solid var(--gray-200);border-radius:22px;padding:18px;background:var(--gray-50)}
.sidebar-card h3{margin:0 0 8px}.sidebar-card a{display:block;color:var(--primary);font-weight:800;margin-top:8px}
.install-steps{display:grid;gap:14px}.install-step{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--gray-200);border-radius:20px;padding:18px}.install-step b{display:grid;place-items:center;width:34px;height:34px;border-radius:12px;background:var(--primary);color:#fff;flex:0 0 auto}
.site-footer{background:#101828;color:#e6edf7;margin-top:40px}.footer-grid{display:grid;gap:24px;padding:38px 0}.footer-logo{font-size:22px;font-weight:900;margin-bottom:10px}.site-footer p{color:#b9c4d3;margin:0}.site-footer h3{margin:0 0 10px}.site-footer a{display:block;color:#dce6f2;margin:8px 0}.footer-bottom{display:flex;flex-direction:column;gap:8px;border-top:1px solid rgba(255,255,255,.12);padding:18px 0;color:#b9c4d3;font-size:14px}
@media (min-width:640px){
  .service-index{grid-template-columns:repeat(2,1fr)}
  .category-grid,.risk-grid{grid-template-columns:repeat(2,1fr)}
  .status-grid{grid-template-columns:repeat(3,1fr)}
}
@media (min-width:860px){
  .nav-toggle{display:none}.site-nav{position:static;display:flex;align-items:center;gap:2px;padding:0;border:0;box-shadow:none;background:transparent}.site-nav a{font-size:14px;padding:9px 10px}
  .web3-dashboard-hero{padding:72px 0 56px}.hero-grid{grid-template-columns:1.02fr .98fr;gap:34px}.hero-copy{padding:40px}
  .service-index{grid-template-columns:repeat(4,1fr)}.service-card:first-child{grid-column:span 2}.service-card:nth-child(7){grid-column:span 2}
  .digital-assets-hub,.web3-ecosystem-section,.hardware-wallet-section,.swap-service-section{grid-template-columns:1.05fr .95fr;padding:34px}.web3-ecosystem-section .module-image,.swap-service-section .module-image{order:-1}
  .two-column{grid-template-columns:1fr 1fr}.privacy-boundary-section,.submit-chain-section,.developer-center-section{padding:34px}
  .process-steps{grid-template-columns:repeat(3,1fr)}.risk-grid{grid-template-columns:repeat(3,1fr)}.category-grid{grid-template-columns:repeat(3,1fr)}
  .content-layout{grid-template-columns:minmax(0,1fr) 320px}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.footer-bottom{flex-direction:row;justify-content:space-between}.cta-box{padding:40px}
}
@media (min-width:1080px){.site-nav a{padding:9px 12px}.hero-panel{padding:22px}.section{padding:70px 0}}
@media (max-width:420px){.container{width:min(100% - 24px,1120px)}.hero-copy,.digital-assets-hub,.web3-ecosystem-section,.hardware-wallet-section,.swap-service-section,.privacy-boundary-section,.submit-chain-section,.developer-center-section,.content-card{border-radius:22px;padding:20px}.status-grid{grid-template-columns:1fr}.download-btn{width:100%}.safe-tags span{font-size:12px}}