:root{
  --primary:#2980FE;
  --primary-soft:#EAF3FF;
  --primary-faint:#F5F9FF;
  --bg:#F6F8FC;
  --surface:#FFFFFF;
  --text:#1E2430;
  --muted:#647084;
  --line:#E3EAF3;
  --deep:#2E3748;
  --shadow:0 18px 50px rgba(35,57,92,.08);
  --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang TC","Noto Sans TC","Microsoft JhengHei",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.72;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
p{margin:0 0 16px;color:var(--muted)}
h1,h2,h3{margin:0 0 16px;color:var(--text);line-height:1.18;letter-spacing:-.02em}
h1{font-size:clamp(34px,8vw,64px)}
h2{font-size:clamp(26px,5vw,42px)}
h3{font-size:21px}
ul,ol{margin:0;padding-left:20px;color:var(--muted)}
li{margin:8px 0}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.header-inner{width:min(1180px,calc(100% - 32px));margin:0 auto;min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand,.footer-brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;color:var(--deep)}
.brand img,.footer-brand img{width:38px;height:38px;border-radius:12px}
.nav-toggle{border:1px solid var(--line);background:#fff;color:var(--deep);padding:9px 14px;border-radius:999px;font-weight:700;display:inline-flex}
.site-nav{position:absolute;left:16px;right:16px;top:76px;display:none;flex-direction:column;gap:8px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}
.site-nav.is-open{display:flex}
.site-nav a{padding:10px 12px;border-radius:12px;color:#3D4759;font-size:15px;font-weight:700}
.site-nav a:hover{background:var(--primary-soft);color:var(--primary)}
main{min-height:60vh}.section{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:58px 0}.section-narrow{width:min(880px,calc(100% - 32px));margin:0 auto;padding:58px 0}.eyebrow,.category-badge{display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;padding:7px 12px;border-radius:999px;background:var(--primary-soft);color:var(--primary);font-weight:800;font-size:14px}.muted{color:var(--muted)}.lead{font-size:18px;color:#4A566B}.center{text-align:center}.gradient-bg{background:linear-gradient(135deg,#FFFFFF 0%,#F3F8FF 55%,#EEF5FF 100%)}
.download-btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:14px 22px;border-radius:999px;background:var(--primary);color:#fff;font-weight:800;box-shadow:0 14px 28px rgba(41,128,254,.22);transition:transform .2s ease,box-shadow .2s ease}.download-btn:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(41,128,254,.28)}
.link-more{display:inline-flex;margin-top:10px;color:var(--primary);font-weight:800}.link-more:after{content:"›";margin-left:6px}.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.pill{padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;color:#506074;font-weight:700;font-size:14px}.web3-dashboard-hero{position:relative;overflow:hidden;padding:54px 0 34px;background:radial-gradient(circle at 12% 20%,rgba(41,128,254,.14),transparent 32%),linear-gradient(180deg,#fff 0%,#F6FAFF 100%)}.web3-dashboard-hero:after{content:"";position:absolute;right:-90px;top:30px;width:250px;height:250px;border-radius:50%;background:rgba(41,128,254,.08);filter:blur(2px)}.hero-grid{position:relative;z-index:1;width:min(1180px,calc(100% - 32px));margin:0 auto;display:grid;gap:34px;align-items:center}.hero-copy{padding:20px 0}.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:28px}.hero-visual{position:relative;background:rgba(255,255,255,.86);border:1px solid var(--line);border-radius:30px;padding:22px;box-shadow:var(--shadow)}.hero-device{width:min(360px,86%);margin:0 auto;filter:drop-shadow(0 22px 34px rgba(41,61,90,.12))}.status-board{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}.status-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px}.status-card span{display:block;color:var(--primary);font-weight:800;font-size:13px}.status-card strong{display:block;color:#2B3444;margin-top:4px}.service-index{display:grid;gap:16px;grid-template-columns:1fr}.service-card,.info-card,.risk-card,.faq-item,.step-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 12px 28px rgba(35,57,92,.05)}.service-card{position:relative;overflow:hidden}.service-card:before{content:"";position:absolute;left:0;top:0;width:100%;height:4px;background:linear-gradient(90deg,var(--primary),rgba(41,128,254,.14))}.service-card small{display:inline-flex;color:var(--primary);font-weight:800;margin-bottom:8px}.service-card p,.info-card p,.risk-card p,.faq-item p{font-size:15px}.dashboard-panel{display:grid;gap:20px}.feature-section{border-radius:32px;background:#fff;border:1px solid var(--line);padding:24px;box-shadow:var(--shadow);margin-bottom:24px}.feature-grid{display:grid;gap:24px;align-items:center}.feature-media{background:linear-gradient(145deg,#F7FAFF,#EEF5FF);border:1px solid var(--line);border-radius:28px;padding:18px;min-height:230px;display:flex;align-items:center;justify-content:center}.feature-media img{max-height:310px;object-fit:contain}.feature-list{display:grid;gap:12px;margin-top:18px}.feature-list div{padding:14px 16px;border:1px solid var(--line);border-radius:16px;background:var(--primary-faint);color:#4A566B}.digital-assets-hub{background:linear-gradient(135deg,#FFFFFF,#F2F7FF)}.web3-ecosystem-section{background:#fff}.hardware-wallet-section{background:linear-gradient(135deg,#F7FAFD,#EEF5FF)}.swap-service-section{background:#fff}.privacy-boundary-section{background:linear-gradient(135deg,#FFFFFF,#F6FAFF)}.submit-chain-section{background:#fff}.developer-center-section{background:linear-gradient(135deg,#F6FAFF,#FFFFFF)}.privacy-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.privacy-tags span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 12px;color:var(--primary);font-weight:800}.chain-checklist{display:grid;gap:12px}.chain-checklist div{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px}.code-panel{background:#1F2937;color:#E8EEF7;border-radius:24px;padding:22px;overflow:hidden}.code-panel code{display:block;white-space:pre-wrap;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;color:#DDE9FF}.code-panel .code-title{display:flex;gap:8px;margin-bottom:16px}.code-panel .code-title span{width:10px;height:10px;border-radius:50%;background:#9FB8D8}.process-steps{display:grid;gap:16px}.step-card{position:relative;padding-left:72px}.step-card .num{position:absolute;left:20px;top:22px;width:36px;height:36px;border-radius:14px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900}.risk-grid{display:grid;gap:16px}.risk-card{border-left:4px solid var(--primary)}.risk-card b{display:block;margin:10px 0 4px;color:#2F3A4A}.faq-list{display:grid;gap:14px}.faq-item h3{font-size:19px;margin-bottom:8px}.cta-section{width:min(980px,calc(100% - 32px));margin:36px auto 70px;padding:40px 24px;text-align:center;border:1px solid var(--line);border-radius:32px;background:linear-gradient(135deg,#FFFFFF,#EEF5FF);box-shadow:var(--shadow)}.cta-section p{max-width:680px;margin:0 auto 24px}.page-hero{background:linear-gradient(180deg,#fff 0%,#F6FAFF 100%);border-bottom:1px solid var(--line)}.page-hero-inner{width:min(980px,calc(100% - 32px));margin:0 auto;padding:56px 0}.page-layout{width:min(1100px,calc(100% - 32px));margin:0 auto;padding:48px 0 70px;display:grid;gap:24px}.content-card{background:#fff;border:1px solid var(--line);border-radius:28px;padding:26px;box-shadow:var(--shadow)}.content-card + .content-card{margin-top:20px}.side-panel{display:grid;gap:16px;align-content:start}.check-grid{display:grid;gap:14px}.check-item{background:var(--primary-faint);border:1px solid var(--line);border-radius:18px;padding:16px}.check-item strong{display:block;color:var(--deep);margin-bottom:6px}.download-page-steps{counter-reset:step;display:grid;gap:14px}.download-page-steps div{counter-increment:step;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px}.download-page-steps div:before{content:counter(step);display:inline-flex;width:28px;height:28px;align-items:center;justify-content:center;margin-right:10px;border-radius:10px;background:var(--primary);color:#fff;font-weight:900}.site-footer{background:#fff;border-top:1px solid var(--line);padding:42px 0 24px}.footer-grid{width:min(1180px,calc(100% - 32px));margin:0 auto;display:grid;gap:24px}.footer-grid h3{font-size:16px;margin-bottom:12px}.footer-grid a:not(.footer-brand){display:block;color:var(--muted);margin:7px 0}.footer-grid a:hover{color:var(--primary)}.footer-bottom{width:min(1180px,calc(100% - 32px));margin:28px auto 0;padding-top:18px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}.split-note{display:grid;gap:16px}.mini-grid{display:grid;gap:14px}.simple-table{width:100%;border-collapse:separate;border-spacing:0 10px}.simple-table th,.simple-table td{text-align:left;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px;color:#59667A}.simple-table th:first-child,.simple-table td:first-child{border-left:1px solid var(--line);border-radius:14px 0 0 14px}.simple-table th:last-child,.simple-table td:last-child{border-right:1px solid var(--line);border-radius:0 14px 14px 0}
@media (min-width:640px){.service-index{grid-template-columns:repeat(2,1fr)}.risk-grid{grid-template-columns:repeat(2,1fr)}.process-steps{grid-template-columns:repeat(2,1fr)}.mini-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:900px){.nav-toggle{display:none}.site-nav{position:static;display:flex!important;flex-direction:row;align-items:center;padding:0;border:0;box-shadow:none;background:transparent;gap:2px}.site-nav a{font-size:14px;padding:9px 10px}.hero-grid{grid-template-columns:1.02fr .98fr;min-height:610px}.service-index{grid-template-columns:repeat(4,1fr)}.service-index .service-card:first-child,.service-index .service-card:nth-child(7){grid-column:span 2}.feature-section{padding:36px}.feature-grid{grid-template-columns:1fr 1fr}.feature-grid.reverse .feature-copy{order:2}.feature-grid.reverse .feature-media{order:1}.dashboard-panel{grid-template-columns:1fr 1fr}.privacy-boundary-section .feature-grid{grid-template-columns:1.1fr .9fr}.submit-chain-section .feature-grid{grid-template-columns:.9fr 1.1fr}.developer-center-section .feature-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}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.split-note{grid-template-columns:1fr 1fr}.status-board{grid-template-columns:repeat(5,1fr)}.hero-visual{padding:30px}.feature-media{min-height:330px}}
@media (min-width:1120px){.site-nav a{padding:10px 12px}.section{padding:76px 0}.web3-dashboard-hero{padding:70px 0 48px}}