:root{
    --primary:#2980FE;
    --primary-soft:#EAF3FF;
    --primary-pale:#F5F9FF;
    --white:#fff;
    --gray-50:#F8FAFC;
    --gray-100:#EEF2F7;
    --gray-200:#E4EAF2;
    --gray-500:#697386;
    --gray-700:#2C3545;
    --gray-900:#121826;
    --radius-lg:24px;
    --radius-md:18px;
    --shadow:0 18px 45px rgba(20,44,84,.09);
}
*{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-700);background:linear-gradient(180deg,#fff 0%,#F7FAFF 38%,#fff 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:50;background:rgba(255,255,255,.9);backdrop-filter:blur(18px);border-bottom:1px solid var(--gray-200)}
.nav-shell{max-width:1180px;margin:0 auto;padding:14px 18px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo,.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--gray-900);letter-spacing:.02em}
.logo img,.footer-brand img{width:34px;height:34px;border-radius:10px;object-fit:contain}
.site-nav{display:none;position:absolute;left:16px;right:16px;top:66px;background:var(--white);border:1px solid var(--gray-200);border-radius:20px;padding:12px;box-shadow:var(--shadow)}
.site-nav.is-open{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.site-nav a{padding:10px 12px;border-radius:14px;color:var(--gray-500);font-size:14px}
.site-nav a:hover{background:var(--primary-soft);color:var(--primary)}
.nav-toggle{width:42px;height:42px;border:1px solid var(--gray-200);background:var(--white);border-radius:14px;display:grid;place-items:center;gap:0;padding:9px;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--gray-700);border-radius:4px}
.container{width:min(1120px,calc(100% - 32px));margin:0 auto}
.section{padding:58px 0}
.section-title{font-size:30px;line-height:1.25;margin:0 0 12px;color:var(--gray-900);letter-spacing:-.03em}
.section-lead{margin:0 0 24px;color:var(--gray-500);max-width:760px}
.badge,.category-badge{display:inline-flex;align-items:center;gap:6px;background:var(--primary-soft);color:var(--primary);border:1px solid rgba(41,128,254,.16);border-radius:999px;padding:7px 12px;font-size:13px;font-weight:700}
.download-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;border-radius:999px;background:var(--primary);color:var(--white);font-weight:800;box-shadow:0 14px 28px rgba(41,128,254,.22);transition:.2s ease;border:0;white-space:nowrap}
.download-btn:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(41,128,254,.28)}
.web3-dashboard-hero{padding:56px 0 34px;position:relative;overflow:hidden}
.web3-dashboard-hero:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 10%,rgba(41,128,254,.16),transparent 34%),radial-gradient(circle at 12% 18%,rgba(41,128,254,.08),transparent 32%);pointer-events:none}
.hero-grid{position:relative;display:grid;gap:28px;align-items:center}
.hero-copy h1{font-size:40px;line-height:1.12;color:var(--gray-900);margin:16px 0;letter-spacing:-.04em}
.hero-copy p{font-size:17px;color:var(--gray-500);margin:0 0 22px}
.security-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.security-tags span{padding:8px 12px;background:var(--white);border:1px solid var(--gray-200);border-radius:999px;color:var(--gray-500);font-size:13px}
.hero-panel{background:linear-gradient(145deg,#fff,#F4F8FF);border:1px solid var(--gray-200);border-radius:30px;padding:20px;box-shadow:var(--shadow)}
.product-stage{display:grid;gap:16px;align-items:center}
.product-visual{background:linear-gradient(180deg,#fff,var(--primary-soft));border:1px solid var(--gray-200);border-radius:26px;padding:20px;display:grid;place-items:center;min-height:280px;overflow:hidden}
.product-visual img{max-height:360px;object-fit:contain;filter:drop-shadow(0 22px 30px rgba(20,44,84,.14))}
.status-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.status-card{background:rgba(255,255,255,.86);border:1px solid var(--gray-200);border-radius:18px;padding:14px}
.status-card strong{display:block;color:var(--gray-900);font-size:14px}
.status-card span{font-size:12px;color:var(--gray-500)}
.service-index{display:grid;gap:14px}
.service-card,.content-card,.risk-card,.faq-item,.note-box,.step-card,.check-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-md);padding:20px;box-shadow:0 12px 30px rgba(20,44,84,.05)}
.service-card{position:relative;overflow:hidden;min-height:170px}
.service-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--primary)}
.service-card h3,.content-card h3,.risk-card h3,.faq-item h3,.note-box h3{margin:10px 0 8px;color:var(--gray-900)}
.service-card p,.content-card p,.risk-card p,.faq-item p,.note-box p,.step-card p,.check-card p{margin:0;color:var(--gray-500)}
.service-card a:not(.download-btn),.text-link{display:inline-flex;margin-top:12px;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{border-radius:30px;padding:24px;border:1px solid var(--gray-200);background:var(--white);box-shadow:var(--shadow)}
.module-grid{display:grid;gap:24px;align-items:center}
.module-image{background:linear-gradient(180deg,#F6FAFF,#fff);border:1px solid var(--gray-200);border-radius:26px;min-height:260px;display:grid;place-items:center;padding:20px;overflow:hidden}
.module-image img{max-height:320px;object-fit:contain}
.feature-list,.clean-list{padding:0;margin:18px 0;list-style:none;display:grid;gap:10px}
.feature-list li,.clean-list li{position:relative;padding-left:26px;color:var(--gray-700)}
.feature-list li:before,.clean-list li:before{content:"";position:absolute;left:0;top:.75em;width:9px;height:9px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 5px var(--primary-soft)}
.panel-soft{background:linear-gradient(135deg,#F5F9FF,#fff);border:1px solid var(--gray-200);border-radius:24px;padding:22px}
.safety-panel{display:grid;gap:14px;background:var(--primary-pale);border:1px solid #DDEBFF;border-radius:28px;padding:22px}
.safety-pill-row{display:flex;flex-wrap:wrap;gap:10px}.safety-pill-row span{background:#fff;border:1px solid var(--gray-200);border-radius:999px;padding:7px 12px;color:var(--gray-500);font-size:13px}
.eco-grid,.category-grid,.risk-grid,.faq-grid{display:grid;gap:16px}
.process-steps{display:grid;gap:14px;counter-reset:steps}.step-card{position:relative;padding-left:72px}.step-card:before{counter-increment:steps;content:counter(steps);position:absolute;left:20px;top:22px;width:36px;height:36px;border-radius:13px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:800}.step-card h3{margin:0 0 6px;color:var(--gray-900)}
.risk-card{border-left:4px solid var(--primary)}.risk-card strong{display:block;color:var(--gray-900);margin-top:10px}.risk-card a{color:var(--primary);font-weight:800}
.faq-item h3{font-size:18px}.faq-item p{margin-top:8px}
.cta-section{margin:54px auto 68px;width:min(1120px,calc(100% - 32px));background:linear-gradient(135deg,#EAF3FF,#fff);border:1px solid #DDEBFF;border-radius:30px;padding:34px 20px;text-align:center;box-shadow:var(--shadow)}
.cta-section h2{margin:0 0 10px;color:var(--gray-900);font-size:28px}.cta-section p{margin:0 auto 20px;color:var(--gray-500);max-width:660px}
.page-hero{padding:48px 0 24px}.page-hero-inner{background:linear-gradient(135deg,#fff,#F5F9FF);border:1px solid var(--gray-200);border-radius:30px;padding:28px;box-shadow:var(--shadow)}.page-hero h1{font-size:36px;line-height:1.2;color:var(--gray-900);margin:14px 0}.page-hero p{color:var(--gray-500);margin:0;max-width:760px}
.content-layout{display:grid;gap:22px}.article-body{display:grid;gap:18px}.article-body p{margin:0}.side-panel{display:grid;gap:14px;align-content:start}.mini-link{display:block;padding:14px 16px;border:1px solid var(--gray-200);border-radius:16px;background:#fff;color:var(--gray-700)}.mini-link:hover{color:var(--primary);border-color:#BDD7FF}
.download-panel{text-align:center;background:linear-gradient(135deg,#F5F9FF,#fff);border:1px solid var(--gray-200);border-radius:28px;padding:28px;box-shadow:var(--shadow)}
.table-like{display:grid;gap:10px}.table-row{display:grid;gap:8px;background:#fff;border:1px solid var(--gray-200);border-radius:16px;padding:14px}.table-row b{color:var(--gray-900)}
.code-panel{background:#F8FAFC;border:1px solid var(--gray-200);border-radius:24px;padding:18px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:#334155;overflow:auto}.code-panel span{color:var(--primary)}
.site-footer{background:#F3F6FA;border-top:1px solid var(--gray-200);padding:34px 18px 20px}.footer-grid{max-width:1120px;margin:0 auto;display:grid;gap:24px}.footer-grid p{color:var(--gray-500);max-width:440px}.footer-grid h3{margin:0 0 10px;color:var(--gray-900)}.footer-grid a:not(.footer-brand){display:block;color:var(--gray-500);margin:6px 0}.footer-grid a:hover{color:var(--primary)}.footer-bottom{max-width:1120px;margin:24px auto 0;padding-top:18px;border-top:1px solid var(--gray-200);color:var(--gray-500);font-size:13px}
@media (min-width:700px){.service-index{grid-template-columns:repeat(2,1fr)}.eco-grid,.category-grid,.risk-grid,.faq-grid{grid-template-columns:repeat(2,1fr)}.process-steps{grid-template-columns:repeat(2,1fr)}.product-stage{grid-template-columns:1.1fr .9fr}.footer-grid{grid-template-columns:2fr 1fr 1fr}.page-hero h1{font-size:44px}}
@media (min-width:980px){.nav-toggle{display:none}.site-nav{position:static;display:flex;align-items:center;gap:4px;background:transparent;border:0;border-radius:0;padding:0;box-shadow:none}.site-nav a{font-size:14px}.hero-grid{grid-template-columns:.95fr 1.05fr}.hero-copy h1{font-size:58px}.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-image{order:-1}.privacy-boundary-section .module-grid{grid-template-columns:1.1fr .9fr}.developer-center-section .module-grid{grid-template-columns:.9fr 1.1fr}.content-layout{grid-template-columns:minmax(0,1fr) 320px}.risk-grid{grid-template-columns:repeat(3,1fr)}.faq-grid{grid-template-columns:repeat(2,1fr)}.process-steps{grid-template-columns:repeat(3,1fr)}.category-grid{grid-template-columns:repeat(3,1fr)}.section{padding:74px 0}.digital-assets-hub,.web3-ecosystem-section,.hardware-wallet-section,.swap-service-section,.privacy-boundary-section,.submit-chain-section,.developer-center-section{padding:34px}.cta-section{padding:44px}}