:root{
    --primary:#2980FE;
    --primary-soft:#EAF3FF;
    --primary-faint:#F5F9FF;
    --text:#1F2937;
    --muted:#64748B;
    --line:#E5EAF2;
    --bg:#F6F8FB;
    --white:#FFFFFF;
    --dark:#111827;
    --radius:24px;
    --shadow:0 18px 45px rgba(31,41,55,.08);
}
*{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;color:var(--text);background:linear-gradient(180deg,#fff 0%,#f7faff 44%,#f6f8fb 100%);line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.header-inner{max-width:1180px;margin:0 auto;padding:14px 18px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--dark);letter-spacing:.2px}
.logo img{width:38px;height:38px;border-radius:12px;object-fit:cover;box-shadow:0 8px 22px rgba(41,128,254,.22)}
.nav-toggle{border:1px solid var(--line);background:#fff;border-radius:14px;padding:8px 12px;font-size:20px;color:var(--text)}
.site-nav{display:none;position:absolute;left:16px;right:16px;top:68px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:12px;flex-direction:column;gap:4px}
.site-nav.is-open{display:flex}
.site-nav a{padding:10px 12px;border-radius:12px;color:#334155;font-size:14px}
.site-nav a:hover{background:var(--primary-soft);color:var(--primary)}
.content-container,.container{max-width:1180px;margin:0 auto;padding:0 18px}
.section{padding:58px 0}
.section-header{margin-bottom:24px;max-width:760px}
.section-kicker,.badge{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;background:var(--primary-soft);color:var(--primary);border:1px solid rgba(41,128,254,.16);border-radius:999px;font-size:13px;font-weight:700}
h1,h2,h3{line-height:1.22;margin:0;color:var(--dark)}
h1{font-size:36px;letter-spacing:-.8px}
h2{font-size:28px;letter-spacing:-.4px}
h3{font-size:20px}
p{margin:12px 0;color:var(--muted)}
ul,ol{color:var(--muted);padding-left:20px}
.gradient-bg{background:radial-gradient(circle at 18% 10%,rgba(41,128,254,.16),transparent 28%),radial-gradient(circle at 88% 0,rgba(41,128,254,.11),transparent 26%)}
.web3-dashboard-hero{padding:56px 0 34px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1fr;gap:26px;align-items:center}
.hero-copy{background:rgba(255,255,255,.78);border:1px solid var(--line);border-radius:30px;padding:28px;box-shadow:var(--shadow)}
.hero-copy p{font-size:16px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px}
.download-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:13px 22px;background:var(--primary);color:#fff!important;border-radius:999px;font-weight:800;border:1px solid var(--primary);box-shadow:0 12px 28px rgba(41,128,254,.25);transition:.2s ease;cursor:pointer;text-align:center}
.download-btn:hover{transform:translateY(-1px);box-shadow:0 16px 34px rgba(41,128,254,.30)}
.safe-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.safe-tags span{font-size:12px;color:#1D4ED8;background:#EEF6FF;border:1px solid #D8E9FF;border-radius:999px;padding:6px 10px}
.hero-console{position:relative;background:linear-gradient(145deg,#fff,#f3f8ff);border:1px solid var(--line);border-radius:32px;padding:20px;box-shadow:var(--shadow);min-height:430px;overflow:hidden}
.hero-console:before{content:"";position:absolute;inset:auto -40px -80px auto;width:210px;height:210px;background:rgba(41,128,254,.12);border-radius:50%}
.product-frame{position:relative;z-index:1;margin:0 auto;max-width:310px;background:#fff;border-radius:30px;border:1px solid var(--line);padding:14px;box-shadow:0 20px 52px rgba(15,23,42,.10)}
.product-frame img{border-radius:22px;max-height:360px;object-fit:contain;margin:auto}
.status-stack{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:10px;margin-top:16px}
.status-card{background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:18px;padding:12px;display:flex;justify-content:space-between;gap:10px;align-items:center;color:#334155;box-shadow:0 10px 22px rgba(15,23,42,.05)}
.status-card strong{font-size:14px;color:var(--dark)}
.status-card span{font-size:12px;color:var(--primary);font-weight:700}
.service-index{display:grid;grid-template-columns:1fr;gap:14px}
.service-card,.info-card,.risk-card,.faq-item,.step-card,.guide-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:0 12px 30px rgba(15,23,42,.045)}
.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,.12))}
.service-card .tag{font-size:12px;color:var(--primary);font-weight:800;letter-spacing:.3px}
.link-arrow{display:inline-flex;margin-top:10px;color:var(--primary);font-weight:800;font-size:14px}
.digital-assets-hub,.web3-ecosystem-section,.hardware-wallet-section,.swap-service-section,.developer-center-section{display:grid;grid-template-columns:1fr;gap:22px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:30px;padding:24px;box-shadow:var(--shadow)}
.hardware-wallet-section{background:linear-gradient(145deg,#F7FAFF,#FFFFFF)}
.module-image{background:var(--primary-faint);border:1px solid var(--line);border-radius:26px;padding:18px;min-height:220px;display:flex;align-items:center;justify-content:center}
.module-image img{max-height:330px;object-fit:contain;margin:auto;border-radius:20px}
.feature-list{display:grid;grid-template-columns:1fr;gap:10px;margin-top:18px}
.feature-list div{padding:12px 14px;background:#F8FAFC;border:1px solid var(--line);border-radius:16px;color:#475569}
.privacy-boundary-section{background:linear-gradient(135deg,#fff,#F2F7FF);border:1px solid var(--line);border-radius:30px;padding:24px;box-shadow:var(--shadow)}
.boundary-grid,.submit-chain-section{display:grid;grid-template-columns:1fr;gap:16px;margin-top:18px}
.boundary-item{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px}
.submit-chain-section .info-card{border-left:4px solid var(--primary)}
.dev-panel{background:#0F172A;color:#E5E7EB;border-radius:24px;padding:20px;overflow:hidden}
.dev-panel code{display:block;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;color:#DCEBFF;white-space:pre-wrap;font-size:13px;line-height:1.8}
.category-grid{display:grid;grid-template-columns:1fr;gap:16px}
.safety-panel{background:#fff;border:1px solid var(--line);border-radius:24px;padding:20px;box-shadow:0 12px 28px rgba(15,23,42,.045)}
.process-steps{display:grid;grid-template-columns:1fr;gap:14px;counter-reset:step}
.step-card{position:relative;padding-left:72px;min-height:112px}
.step-num{position:absolute;left:18px;top:20px;width:38px;height:38px;border-radius:14px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900}
.risk-grid{display:grid;grid-template-columns:1fr;gap:14px}
.risk-card{border-left:4px solid var(--primary)}
.risk-card b{display:block;color:var(--dark);margin-bottom:4px}
.faq-list{display:grid;gap:12px}
.faq-item h3{font-size:17px;margin-bottom:8px}
.cta-section{margin:58px auto 70px;max-width:1180px;padding:42px 22px;border-radius:30px;background:linear-gradient(135deg,#EAF3FF,#fff);border:1px solid #DDEBFF;text-align:center;box-shadow:var(--shadow)}
.cta-section p{max-width:680px;margin:12px auto 22px}
.page-hero{padding:54px 0 24px}
.page-hero-card{background:#fff;border:1px solid var(--line);border-radius:30px;padding:28px;box-shadow:var(--shadow)}
.page-layout{display:grid;grid-template-columns:1fr;gap:22px;margin:26px auto 70px}
.article-card{background:#fff;border:1px solid var(--line);border-radius:26px;padding:24px;box-shadow:0 12px 30px rgba(15,23,42,.045)}
.article-card h2{font-size:24px;margin-top:16px}
.article-card h2:first-child{margin-top:0}
.side-panel{display:grid;gap:14px;align-content:start}
.check-list{list-style:none;padding:0;margin:16px 0;display:grid;gap:10px}
.check-list li{padding:12px 14px;border:1px solid var(--line);background:#F8FAFC;border-radius:16px;color:#475569}
.check-list li:before{content:"✓";color:var(--primary);font-weight:900;margin-right:8px}
.download-panel{margin-top:22px;padding:18px;background:#F8FBFF;border:1px solid #DCEBFF;border-radius:20px;display:flex;justify-content:flex-start}
.site-footer{background:#fff;border-top:1px solid var(--line);padding:36px 18px 20px}
.footer-inner{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1fr;gap:20px}
.footer-logo{font-size:20px;font-weight:900;color:var(--dark)}
.footer-links{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.footer-links a{color:#475569;font-size:14px}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{max-width:1180px;margin:24px auto 0;padding-top:16px;border-top:1px solid var(--line);color:#94A3B8;font-size:13px}
@media (min-width:640px){
    h1{font-size:44px}.service-index{grid-template-columns:repeat(2,1fr)}.category-grid{grid-template-columns:repeat(2,1fr)}.risk-grid{grid-template-columns:repeat(2,1fr)}.footer-links{grid-template-columns:repeat(3,1fr)}
}
@media (min-width:900px){
    .nav-toggle{display:none}.site-nav{display:flex;position:static;flex-direction:row;align-items:center;background:transparent;border:0;box-shadow:none;padding:0;gap:2px}.site-nav a{font-size:13px;padding:8px 9px}
    .web3-dashboard-hero{padding:78px 0 48px}.hero-grid{grid-template-columns:1.02fr .98fr;gap:28px}.hero-copy{padding:36px}.status-stack{grid-template-columns:repeat(2,1fr)}
    .service-index{grid-template-columns:repeat(4,1fr)}.service-card:nth-child(1),.service-card:nth-child(7){grid-column:span 2}
    .digital-assets-hub,.web3-ecosystem-section,.hardware-wallet-section,.swap-service-section,.developer-center-section{grid-template-columns:1fr 1fr;padding:34px}.hardware-wallet-section .module-image,.swap-service-section .module-image{order:-1}
    .boundary-grid,.submit-chain-section{grid-template-columns:repeat(3,1fr)}.process-steps{grid-template-columns:repeat(3,1fr)}.risk-grid{grid-template-columns:repeat(4,1fr)}.category-grid{grid-template-columns:repeat(4,1fr)}
    .page-layout{grid-template-columns:minmax(0,1fr) 330px;align-items:start}.page-hero-card{padding:38px}.article-card{padding:34px}.footer-inner{grid-template-columns:1.4fr 1fr}.footer-links{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:1120px){.site-nav a{font-size:14px;padding:9px 11px}h1{font-size:54px}.section{padding:72px 0}}