:root{
    --primary:#2980FE;
    --primary-soft:#EAF3FF;
    --primary-soft-2:#F4F8FF;
    --white:#ffffff;
    --ink:#1f2937;
    --muted:#667085;
    --line:#e5e7eb;
    --panel:#f7f9fc;
    --panel-2:#f2f6fb;
    --shadow:0 18px 45px rgba(31,41,55,.08);
    --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC","Microsoft JhengHei",Arial,sans-serif;
    color:var(--ink);
    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(1140px,calc(100% - 32px));margin:0 auto}
.section{padding:56px 0}
.section-muted{background:var(--panel-2)}
.eyebrow,.category-badge{
    display:inline-flex;align-items:center;gap:8px;
    color:var(--primary);background:var(--primary-soft);
    border:1px solid rgba(41,128,254,.16);border-radius:999px;
    padding:7px 12px;font-size:13px;font-weight:700;letter-spacing:.04em;
}
.section-title{font-size:30px;line-height:1.2;margin:16px 0 12px;letter-spacing:-.03em}
.section-lead{color:var(--muted);max-width:760px;margin:0 0 24px}
.text-link{color:var(--primary);font-weight:700;display:inline-flex;align-items:center;gap:4px}
.text-link:after{content:"›";font-size:18px}
.site-header{
    position:sticky;top:0;z-index:30;background:rgba(255,255,255,.88);
    backdrop-filter:blur(16px);border-bottom:1px solid rgba(229,231,235,.75)
}
.header-inner{width:min(1180px,calc(100% - 28px));margin:0 auto;display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:18px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:#14213d;white-space:nowrap}
.logo img{width:36px;height:36px;border-radius:12px;box-shadow:0 8px 18px rgba(41,128,254,.16)}
.nav-toggle{border:1px solid var(--line);background:#fff;border-radius:14px;font-size:22px;line-height:1;padding:9px 12px;color:var(--ink)}
.main-nav{display:none;position:absolute;left:14px;right:14px;top:74px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:12px;grid-template-columns:1fr 1fr;gap:8px}
.main-nav.is-open{display:grid}
.main-nav a{font-size:14px;color:#344054;padding:10px 12px;border-radius:12px}
.main-nav a:hover{background:var(--primary-soft);color:var(--primary)}
.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;border:0;
    box-shadow:0 14px 30px rgba(41,128,254,.26);transition:.2s ease;white-space:nowrap
}
.download-btn:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(41,128,254,.32)}
.web3-dashboard-hero{padding:56px 0 42px;background:radial-gradient(circle at top right,rgba(41,128,254,.16),transparent 36%),linear-gradient(180deg,#fff,#f5f9ff)}
.hero-grid{display:grid;gap:28px;align-items:center}
.hero-copy h1{font-size:40px;line-height:1.08;margin:18px 0 16px;letter-spacing:-.05em;color:#0f172a}
.hero-copy p{font-size:17px;color:var(--muted);margin:0 0 24px;max-width:620px}
.security-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.security-tags span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 12px;color:#344054;font-size:13px;box-shadow:0 8px 18px rgba(15,23,42,.04)}
.hero-console{position:relative;background:rgba(255,255,255,.82);border:1px solid rgba(41,128,254,.16);border-radius:30px;padding:18px;box-shadow:var(--shadow);overflow:hidden}
.hero-console:before{content:"";position:absolute;inset:auto -60px -70px auto;width:210px;height:210px;background:rgba(41,128,254,.16);border-radius:999px;filter:blur(12px)}
.product-frame{position:relative;background:linear-gradient(145deg,#fff,#eff6ff);border:1px solid var(--line);border-radius:26px;padding:18px;min-height:280px;display:flex;align-items:center;justify-content:center}
.product-frame img{max-height:420px;object-fit:contain;filter:drop-shadow(0 20px 30px rgba(31,41,55,.12))}
.status-grid{display:grid;grid-template-columns:1fr;gap:12px;margin-top:14px}
.status-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:0 10px 22px rgba(31,41,55,.05)}
.status-card strong{display:block;color:#101828;margin-bottom:2px}.status-card span{font-size:13px;color:var(--muted)}
.service-index{display:grid;gap:14px;margin-top:22px}
.service-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:0 12px 24px rgba(15,23,42,.05)}
.service-card .tag{display:inline-block;font-size:12px;font-weight:800;color:var(--primary);background:var(--primary-soft);padding:5px 9px;border-radius:999px;margin-bottom:12px}
.service-card h3{margin:0 0 8px;font-size:19px}.service-card p{color:var(--muted);margin:0 0 12px;font-size:14px}
.module-card{background:#fff;border:1px solid var(--line);border-radius:30px;padding:24px;box-shadow:var(--shadow);overflow:hidden}
.module-grid{display:grid;gap:24px;align-items:center}
.module-image{border-radius:26px;background:linear-gradient(145deg,#eef6ff,#fff);border:1px solid rgba(41,128,254,.13);padding:16px;min-height:230px;display:flex;align-items:center;justify-content:center}
.module-image img{max-height:360px;object-fit:contain}
.bullet-list,.check-list{padding:0;margin:18px 0;list-style:none;display:grid;gap:10px}
.bullet-list li,.check-list li{position:relative;padding-left:28px;color:#475467}.bullet-list li:before,.check-list li:before{content:"";position:absolute;left:0;top:.72em;width:10px;height:10px;background:var(--primary);border-radius:50%;box-shadow:0 0 0 5px rgba(41,128,254,.12)}
.digital-assets-hub{background:linear-gradient(135deg,#fff,#f2f7ff)}
.web3-ecosystem-section .module-card{background:linear-gradient(135deg,#fff,#f8fbff)}
.hardware-wallet-section{background:var(--panel-2)}
.hardware-wallet-section .module-card{background:#fff}
.swap-service-section .module-card{background:linear-gradient(135deg,#fff,#f7faff)}
.privacy-boundary-section{background:#fff}
.boundary-panel{display:grid;gap:14px;background:linear-gradient(135deg,#f7fbff,#fff);border:1px solid var(--line);border-radius:28px;padding:22px}
.boundary-item{background:#fff;border:1px solid var(--line);border-left:4px solid var(--primary);border-radius:18px;padding:16px}.boundary-item strong{display:block;margin-bottom:4px}.boundary-item span{color:var(--muted);font-size:14px}
.submit-chain-section{background:linear-gradient(180deg,#f8fbff,#fff)}
.eco-grid{display:grid;gap:14px}.eco-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px}.eco-card strong{color:#111827}.eco-card p{margin:7px 0 0;color:var(--muted);font-size:14px}
.developer-center-section{background:#fff}.dev-panel{background:#0f172a;color:#e5efff;border-radius:26px;padding:20px;overflow:hidden;box-shadow:0 22px 48px rgba(15,23,42,.18)}.dev-panel code{display:block;color:#cfe2ff;white-space:pre-wrap;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono",monospace;font-size:13px;line-height:1.7}.dev-panel .line{color:#8ab9ff}
.process-steps{display:grid;gap:14px;margin-top:22px}.step-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px;position:relative}.step-no{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:12px;background:var(--primary);color:#fff;font-weight:800;margin-bottom:12px}.step-card h3{margin:0 0 8px}.step-card p{margin:0 0 10px;color:var(--muted);font-size:14px}
.risk-grid{display:grid;gap:14px;margin-top:22px}.risk-card{background:#fff;border:1px solid var(--line);border-top:4px solid var(--primary);border-radius:20px;padding:18px;box-shadow:0 10px 22px rgba(15,23,42,.04)}.risk-card h3{margin:0 0 8px}.risk-card p{margin:0 0 10px;color:var(--muted);font-size:14px}.risk-card strong{font-size:13px;color:#344054}
.faq-list{display:grid;gap:14px;margin-top:22px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px}.faq-item h3{margin:0 0 8px;font-size:18px}.faq-item p{margin:0;color:var(--muted)}
.cta-section{padding:56px 0;background:radial-gradient(circle at top,rgba(41,128,254,.14),transparent 50%),linear-gradient(135deg,#f4f8ff,#fff);text-align:center}.cta-box{background:#fff;border:1px solid var(--line);border-radius:30px;padding:34px 22px;box-shadow:var(--shadow)}.cta-box h2{font-size:30px;line-height:1.2;margin:0 0 12px}.cta-box p{color:var(--muted);margin:0 auto 22px;max-width:680px}
.page-hero{padding:54px 0 28px;background:linear-gradient(180deg,#fff,#f5f9ff)}.page-hero h1{font-size:36px;line-height:1.15;margin:16px 0 12px;letter-spacing:-.04em}.page-hero p{color:var(--muted);font-size:17px;max-width:780px;margin:0}
.content-layout{display:grid;gap:22px;align-items:start;padding:36px 0 60px}.article-card{background:#fff;border:1px solid var(--line);border-radius:28px;padding:24px;box-shadow:var(--shadow)}.article-card h2{font-size:24px;line-height:1.25;margin:0 0 12px}.article-card p{color:#475467;margin:0 0 16px}.article-card p:last-child{margin-bottom:0}.aside-panel{background:#fff;border:1px solid var(--line);border-radius:24px;padding:20px;box-shadow:0 12px 28px rgba(31,41,55,.05);position:sticky;top:96px}.aside-panel h3{margin:0 0 12px}.aside-panel a{display:block;padding:10px 0;color:var(--primary);font-weight:700;border-top:1px solid var(--line)}.info-grid,.category-grid{display:grid;gap:14px;margin:20px 0}.info-card{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:16px}.info-card strong{display:block;margin-bottom:6px}.info-card span{color:var(--muted);font-size:14px}.safety-panel{background:#f8fbff;border:1px solid rgba(41,128,254,.18);border-radius:22px;padding:18px;margin:20px 0}.safety-panel h3{margin:0 0 10px}.download-row{margin-top:22px}.download-page-steps{counter-reset:item;display:grid;gap:14px;margin:22px 0}.download-step{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px}.download-step:before{counter-increment:item;content:counter(item);display:inline-flex;width:32px;height:32px;align-items:center;justify-content:center;border-radius:10px;background:var(--primary);color:#fff;font-weight:800;margin-bottom:10px}
.site-footer{background:#111827;color:#cbd5e1;padding:42px 0 0}.footer-grid{display:grid;gap:24px}.footer-brand{color:#fff;font-weight:900;font-size:22px;margin-bottom:8px}.site-footer p{margin:0;color:#cbd5e1}.site-footer h3{font-size:15px;color:#fff;margin:0 0 10px}.site-footer a{display:block;color:#cbd5e1;padding:5px 0;font-size:14px}.footer-bottom{text-align:center;border-top:1px solid rgba(255,255,255,.1);margin-top:28px;padding:18px;color:#94a3b8;font-size:13px}
@media (min-width:640px){.service-index{grid-template-columns:repeat(2,1fr)}.status-grid{grid-template-columns:repeat(2,1fr)}.info-grid,.category-grid{grid-template-columns:repeat(2,1fr)}.risk-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:900px){.section{padding:78px 0}.nav-toggle{display:none}.main-nav{display:flex;position:static;background:transparent;border:0;box-shadow:none;padding:0;gap:2px;align-items:center}.main-nav a{font-size:13px;padding:9px 9px}.hero-grid{grid-template-columns:1.02fr .98fr}.hero-copy h1{font-size:58px}.status-grid{grid-template-columns:repeat(5,1fr);margin-top:18px}.service-index{grid-template-columns:repeat(4,1fr)}.service-card:nth-child(1),.service-card:nth-child(7){grid-column:span 2}.module-grid{grid-template-columns:1fr 1fr}.module-grid.reverse .module-copy{order:2}.module-grid.reverse .module-image{order:1}.section-title{font-size:40px}.boundary-panel{grid-template-columns:repeat(3,1fr)}.eco-grid{grid-template-columns:repeat(3,1fr)}.process-steps{grid-template-columns:repeat(3,1fr)}.risk-grid{grid-template-columns:repeat(4,1fr)}.content-layout{grid-template-columns:minmax(0,1fr) 320px}.footer-grid{grid-template-columns:2fr 1fr 1fr}.page-hero h1{font-size:48px}.article-card{padding:34px}.cta-box{padding:44px}.main-nav a:hover{transform:translateY(-1px)}}
@media (min-width:1120px){.main-nav a{font-size:14px;padding:10px 11px}.hero-console{padding:22px}.product-frame{min-height:430px}.service-index{grid-template-columns:repeat(7,1fr)}.service-card:nth-child(1),.service-card:nth-child(7){grid-column:span 1}.service-card{padding:16px}.service-card h3{font-size:17px}}
@media (max-width:420px){.container{width:min(100% - 24px,1140px)}.header-inner{width:min(100% - 22px,1180px)}.hero-copy h1{font-size:34px}.section-title,.cta-box h2{font-size:27px}.page-hero h1{font-size:32px}.download-btn{width:100%}.module-card{padding:20px}.article-card{padding:20px}.status-grid{grid-template-columns:1fr}.service-index{grid-template-columns:1fr}}