:root{
  --primary:#2980FE;
  --primary-soft:#EAF3FF;
  --bg:#F6F8FC;
  --bg-soft:#F1F6FF;
  --white:#FFFFFF;
  --text:#1E293B;
  --muted:#64748B;
  --line:#E2E8F0;
  --dark:#26364D;
  --radius:24px;
  --shadow:0 18px 50px 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;background:linear-gradient(180deg,#fff 0%,#f7faff 34%,#fff 100%);color:var(--text);line-height:1.75;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-inline:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.header-inner{width:min(1180px,calc(100% - 28px));margin:auto;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--dark);letter-spacing:.02em}
.logo img{width:38px;height:38px;border-radius:12px;object-fit:contain}
.nav-toggle{border:1px solid var(--line);background:var(--white);color:var(--dark);border-radius:999px;padding:9px 14px;font-weight:700}
.site-nav{position:absolute;left:14px;right:14px;top:76px;display:none;flex-direction:column;gap:6px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:12px;box-shadow:var(--shadow)}
.site-nav.open{display:flex}
.site-nav a{padding:10px 12px;border-radius:14px;color:var(--muted);font-weight:700;font-size:14px}
.site-nav a:hover,.site-nav a.active{color:var(--primary);background:var(--primary-soft)}
.badge,.category-badge{display:inline-flex;align-items:center;gap:8px;color:var(--primary);background:var(--primary-soft);border:1px solid rgba(41,128,254,.18);padding:7px 12px;border-radius:999px;font-weight:800;font-size:13px}
.download-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;border-radius:999px;background:var(--primary);color:#fff;font-weight:800;box-shadow:0 14px 28px rgba(41,128,254,.24);transition:transform .2s ease,box-shadow .2s ease;border:0;cursor:pointer;white-space:nowrap}
.download-btn:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(41,128,254,.30)}
.ghost-link{display:inline-flex;align-items:center;color:var(--primary);font-weight:800;margin-top:10px}
.section{padding:54px 0}
.section-title{font-size:clamp(28px,5vw,44px);line-height:1.18;margin:10px 0 14px;color:var(--dark);letter-spacing:-.03em}
.section-lead{color:var(--muted);font-size:16px;max-width:760px;margin:0 0 24px}.section-head{margin-bottom:24px}.muted{color:var(--muted)}
.web3-dashboard-hero{padding:58px 0 40px;background:radial-gradient(circle at 85% 18%,rgba(41,128,254,.18),transparent 34%),linear-gradient(135deg,#fff 0%,#f5f9ff 100%)}
.hero-grid{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}.hero-copy h1{font-size:clamp(34px,8vw,66px);line-height:1.05;margin:16px 0;color:var(--dark);letter-spacing:-.05em}.hero-copy p{font-size:18px;color:var(--muted);margin:0 0 24px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.security-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.security-tags span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 12px;color:var(--dark);font-weight:700;font-size:13px}
.hero-panel{position:relative;background:rgba(255,255,255,.82);border:1px solid var(--line);border-radius:32px;padding:20px;box-shadow:var(--shadow);overflow:hidden}.hero-panel:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(41,128,254,.12),transparent 45%);pointer-events:none}.product-frame{position:relative;border-radius:28px;background:#fff;border:1px solid var(--line);padding:18px;z-index:1}.product-frame img{margin:auto;max-height:360px;object-fit:contain}.status-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:10px;margin-top:14px}.status-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:0 10px 24px rgba(15,23,42,.05)}.status-card strong{display:block;color:var(--dark)}.status-card span{display:block;color:var(--muted);font-size:13px}.dot{display:inline-block;width:9px;height:9px;background:var(--primary);border-radius:50%;margin-right:8px}
.service-index{display:grid;grid-template-columns:1fr;gap:14px}.service-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:0 10px 26px rgba(15,23,42,.04);min-height:190px}.service-card .label{display:inline-block;color:var(--primary);font-weight:900;font-size:12px;letter-spacing:.08em}.service-card h3{margin:8px 0 8px;font-size:22px;color:var(--dark)}.service-card p{margin:0;color:var(--muted)}
.feature-panel{border:1px solid var(--line);border-radius:30px;background:#fff;box-shadow:var(--shadow);overflow:hidden}.feature-grid{display:grid;grid-template-columns:1fr;gap:0}.feature-copy{padding:26px}.feature-copy h2{font-size:clamp(26px,5vw,40px);line-height:1.18;margin:10px 0;color:var(--dark)}.feature-copy p{color:var(--muted);margin:0 0 16px}.feature-copy ul{padding-left:20px;margin:16px 0;color:var(--dark)}.feature-media{background:linear-gradient(145deg,#f7fbff,#eef5ff);display:flex;align-items:center;justify-content:center;padding:26px}.feature-media img{max-height:380px;object-fit:contain;border-radius:24px}.digital-assets-hub .feature-panel{background:linear-gradient(135deg,#fff 0%,#f4f8ff 100%)}.web3-ecosystem-section .feature-panel{background:#fff}.hardware-wallet-section{background:var(--bg-soft)}.hardware-wallet-section .feature-panel,.swap-service-section .feature-panel{box-shadow:none}.swap-service-section{background:#fff}.privacy-boundary-section{background:linear-gradient(180deg,#f8fbff,#fff)}.privacy-grid,.submit-grid,.developer-grid{display:grid;grid-template-columns:1fr;gap:16px}.safety-panel,.info-card,.code-panel{background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:0 10px 28px rgba(15,23,42,.04)}.safety-panel h3,.info-card h3,.code-panel h3{margin:0 0 10px;color:var(--dark)}.pill-row{display:flex;flex-wrap:wrap;gap:10px}.pill-row span{border:1px solid rgba(41,128,254,.2);background:var(--primary-soft);color:var(--primary);border-radius:999px;padding:7px 11px;font-weight:800;font-size:13px}.submit-chain-section{background:var(--bg)}.developer-center-section{background:linear-gradient(135deg,#fff,#f4f8ff)}.code-panel{font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;background:#f8fbff;color:#334155}.code-line{display:block;border-bottom:1px solid var(--line);padding:10px 0}.code-line b{color:var(--primary)}
.process-steps{display:grid;grid-template-columns:1fr;gap:14px}.step-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px}.step-number{display:inline-flex;width:36px;height:36px;align-items:center;justify-content:center;border-radius:12px;background:var(--primary);color:#fff;font-weight:900}.step-card h3{margin:12px 0 8px;color:var(--dark)}.step-card p{margin:0;color:var(--muted)}
.risk-grid,.category-grid{display:grid;grid-template-columns:1fr;gap:14px}.risk-card{background:#fff;border:1px solid var(--line);border-left:4px solid var(--primary);border-radius:20px;padding:18px}.risk-card h3{margin:0 0 8px;color:var(--dark)}.risk-card p{margin:0 0 8px;color:var(--muted)}.risk-card strong{color:var(--dark)}
.faq-list{display:grid;gap:12px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px}.faq-item h3{margin:0 0 8px;color:var(--dark);font-size:18px}.faq-item p{margin:0;color:var(--muted)}
.cta-section{padding:58px 0;background:linear-gradient(135deg,#eff6ff,#fff)}.cta-card{text-align:center;background:#fff;border:1px solid var(--line);border-radius:30px;padding:34px;box-shadow:var(--shadow)}.cta-card h2{font-size:clamp(28px,5vw,42px);line-height:1.18;margin:0 0 12px;color:var(--dark)}.cta-card p{color:var(--muted);max-width:680px;margin:0 auto 22px}
.page-hero{padding:56px 0 28px;background:linear-gradient(135deg,#fff,#f3f8ff)}.page-hero h1{font-size:clamp(34px,6vw,54px);line-height:1.08;margin:14px 0;color:var(--dark);letter-spacing:-.04em}.page-hero p{font-size:17px;color:var(--muted);max-width:820px;margin:0}.page-layout{display:grid;grid-template-columns:1fr;gap:20px;padding:32px 0 62px}.content-card{background:#fff;border:1px solid var(--line);border-radius:28px;padding:24px;box-shadow:0 12px 28px rgba(15,23,42,.04)}.content-card h2{font-size:26px;color:var(--dark);margin:0 0 12px}.content-card p{color:var(--muted);margin:0 0 16px}.content-card ul,.content-card ol{padding-left:22px;color:var(--dark)}.side-stack{display:grid;gap:16px}.mini-link{display:block;padding:12px 14px;border-radius:14px;background:var(--primary-soft);color:var(--primary);font-weight:800;margin-top:8px}.check-list{display:grid;gap:12px;margin:18px 0}.check-item{background:#f8fbff;border:1px solid var(--line);border-radius:16px;padding:14px}.split-note{display:grid;grid-template-columns:1fr;gap:14px}.site-footer{background:#1f2d42;color:#dbe6f5;padding:44px 0 22px}.footer-grid{display:grid;grid-template-columns:1fr;gap:22px}.footer-brand{font-weight:900;color:#fff;font-size:20px;margin-bottom:8px}.site-footer p{color:#b6c5d8;margin:0}.site-footer h3{color:#fff;margin:0 0 10px}.site-footer a{display:block;color:#dbe6f5;margin:6px 0}.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:28px;padding-top:18px;color:#b6c5d8;font-size:14px}
@media (min-width:640px){.status-grid,.service-index,.risk-grid,.category-grid{grid-template-columns:repeat(2,1fr)}.split-note{grid-template-columns:repeat(2,1fr)}.process-steps{grid-template-columns:repeat(2,1fr)}}
@media (min-width:900px){.nav-toggle{display:none}.site-nav{position:static;display:flex;flex-direction:row;align-items:center;background:transparent;border:0;box-shadow:none;padding:0;gap:2px}.site-nav a{font-size:13px}.hero-grid{grid-template-columns:minmax(0,1.02fr) minmax(420px,.98fr);gap:42px}.status-grid{grid-template-columns:repeat(2,1fr)}.service-index{grid-template-columns:repeat(4,1fr)}.service-card:nth-child(1),.service-card:nth-child(3){grid-column:span 2}.feature-grid{grid-template-columns:1.05fr .95fr}.feature-panel.reverse .feature-grid{grid-template-columns:.95fr 1.05fr}.feature-panel.reverse .feature-media{order:-1}.privacy-grid{grid-template-columns:1.2fr .8fr}.submit-grid{grid-template-columns:.9fr 1.1fr}.developer-grid{grid-template-columns:1fr 1fr}.process-steps{grid-template-columns:repeat(3,1fr)}.risk-grid{grid-template-columns:repeat(4,1fr)}.page-layout{grid-template-columns:minmax(0,1fr) 320px;align-items:start}.footer-grid{grid-template-columns:1.6fr .7fr .7fr}.content-card{padding:30px}.section{padding:72px 0}}
@media (min-width:1140px){.site-nav a{font-size:14px}.hero-panel{padding:24px}.service-index{grid-template-columns:repeat(7,1fr)}.service-card{grid-column:span 1}.service-card:nth-child(1),.service-card:nth-child(3){grid-column:span 2}.service-card:nth-child(7){grid-column:span 2}}