:root{
  --primary:#2980FE;
  --primary-soft:#eaf3ff;
  --primary-line:#d8e9ff;
  --text:#1f2937;
  --muted:#687386;
  --dark:#2f3744;
  --bg:#f6f8fb;
  --panel:#ffffff;
  --line:#e5e9f0;
  --blue-gray:#f1f6fc;
  --shadow:0 16px 46px rgba(31,54,91,.08);
  --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang TC","Microsoft JhengHei",Arial,sans-serif;background:linear-gradient(180deg,#fff 0%,#f6f8fb 38%,#fff 100%);color:var(--text);line-height:1.72;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,.92);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.nav-wrap{width:min(1180px,calc(100% - 32px));margin:0 auto;min-height:72px;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:.02em}
.logo img{width:38px;height:38px;border-radius:12px;object-fit:cover;border:1px solid var(--line)}
.nav-toggle{display:inline-flex;border:1px solid var(--line);background:#fff;border-radius:14px;padding:8px 12px;font-size:20px;color:var(--dark)}
.main-nav{display:none;position:absolute;top:72px;left:16px;right:16px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:20px;padding:12px;flex-direction:column;gap:4px}
.main-nav.is-open{display:flex}
.main-nav a{padding:10px 12px;border-radius:12px;color:var(--muted);font-size:15px}
.main-nav a:hover{background:var(--primary-soft);color:var(--primary)}
.container{width:min(1180px,calc(100% - 32px));margin:0 auto}
.section{padding:44px 0}.section-tight{padding:26px 0}.section-title{margin:0 0 12px;font-size:clamp(28px,4vw,44px);line-height:1.18;letter-spacing:-.03em;color:#172033}.section-lead{margin:0 0 24px;color:var(--muted);font-size:17px;max-width:760px}.eyebrow,.category-badge{display:inline-flex;align-items:center;gap:8px;color:var(--primary);background:var(--primary-soft);border:1px solid var(--primary-line);border-radius:999px;padding:6px 12px;font-weight:700;font-size:13px;margin-bottom:14px}
.download-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 22px;border-radius:999px;background:var(--primary);color:#fff;font-weight:800;box-shadow:0 14px 28px rgba(41,128,254,.22);transition:.2s ease;white-space:nowrap}
.download-btn:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(41,128,254,.28)}
.text-link{display:inline-flex;color:var(--primary);font-weight:800;margin-top:10px}.text-link:after{content:'→';margin-left:6px}.muted{color:var(--muted)}
.web3-dashboard-hero{padding:46px 0 30px;position:relative;overflow:hidden}.web3-dashboard-hero:before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 14% 12%,rgba(41,128,254,.14),transparent 34%),radial-gradient(circle at 84% 20%,rgba(41,128,254,.1),transparent 26%);pointer-events:none}.hero-grid{position:relative;display:grid;gap:24px;align-items:center}.hero-copy{background:rgba(255,255,255,.72);border:1px solid rgba(229,233,240,.8);border-radius:30px;padding:28px;box-shadow:var(--shadow)}.hero-copy h1{font-size:clamp(36px,8vw,66px);line-height:1.05;margin:0 0 16px;letter-spacing:-.06em;color:#111827}.hero-copy p{font-size:18px;color:var(--muted);margin:0 0 22px}.security-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.security-tags span,.pill{background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 11px;color:var(--dark);font-size:13px;font-weight:700}.hero-panel{display:grid;gap:14px}.product-frame{background:linear-gradient(145deg,#fff,#eef6ff);border:1px solid var(--line);border-radius:30px;padding:18px;box-shadow:var(--shadow);position:relative;overflow:hidden}.product-frame:after{content:'';position:absolute;width:170px;height:170px;background:rgba(41,128,254,.15);border-radius:50%;right:-40px;bottom:-50px}.product-frame img{position:relative;z-index:2;margin:auto;max-height:420px;object-fit:contain}.status-grid{display:grid;grid-template-columns:1fr;gap:12px}.status-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:14px;box-shadow:0 10px 26px rgba(31,54,91,.06)}.status-card b{display:block;color:#172033}.status-card span{font-size:13px;color:var(--muted)}
.service-index{display:grid;gap:14px}.service-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:0 12px 30px rgba(31,54,91,.05);min-height:190px}.service-card .tag{display:inline-block;color:var(--primary);font-weight:800;font-size:12px;background:var(--primary-soft);border-radius:999px;padding:5px 9px;margin-bottom:12px}.service-card h3{margin:0 0 8px;font-size:20px}.service-card p{margin:0;color:var(--muted);font-size:15px}
.feature-panel{border:1px solid var(--line);background:#fff;border-radius:30px;padding:24px;box-shadow:var(--shadow);display:grid;gap:22px;align-items:center}.feature-panel.alt{background:linear-gradient(135deg,#f8fbff,#fff)}.feature-media{background:var(--blue-gray);border:1px solid var(--line);border-radius:26px;padding:18px;min-height:260px;display:flex;align-items:center;justify-content:center}.feature-media img{max-height:360px;object-fit:contain}.feature-copy h2{font-size:clamp(28px,4vw,42px);line-height:1.15;margin:0 0 12px;color:#172033}.feature-copy p{color:var(--muted);margin:0 0 14px}.check-list{padding:0;margin:18px 0 0;display:grid;gap:10px;list-style:none}.check-list li{position:relative;padding-left:30px;color:var(--dark)}.check-list li:before{content:'✓';position:absolute;left:0;top:1px;width:20px;height:20px;border-radius:50%;background:var(--primary-soft);color:var(--primary);font-weight:900;text-align:center;line-height:20px;font-size:12px}.digital-assets-hub,.web3-ecosystem-section,.hardware-wallet-section,.swap-service-section,.privacy-boundary-section,.submit-chain-section,.developer-center-section{scroll-margin-top:90px}.privacy-boundary-section .boundary-grid,.submit-chain-section .submit-grid,.developer-center-section .dev-grid{display:grid;gap:18px}.info-card,.safety-panel,.code-panel{background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:0 12px 30px rgba(31,54,91,.05)}.info-card h3,.safety-panel h3,.code-panel h3{margin:0 0 10px;color:#172033}.info-card p,.safety-panel p,.code-panel p{margin:0;color:var(--muted)}.boundary-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.code-panel{background:linear-gradient(135deg,#f7fbff,#ffffff)}.code-lines{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:#f4f7fb;border:1px solid var(--line);border-radius:18px;padding:16px;color:#334155;overflow:auto;font-size:13px}.code-lines span{display:block;color:var(--primary)}
.process-steps{display:grid;gap:14px;counter-reset:step}.step-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:0 10px 28px rgba(31,54,91,.05)}.step-card:before{counter-increment:step;content:counter(step);display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:12px;background:var(--primary);color:#fff;font-weight:900;margin-bottom:12px}.step-card h3{margin:0 0 6px}.step-card p{margin:0;color:var(--muted)}.risk-grid{display:grid;gap:14px}.risk-item{background:#fff;border:1px solid var(--line);border-left:4px solid var(--primary);border-radius:20px;padding:18px}.risk-item h3{margin:0 0 6px}.risk-item p{margin:0 0 8px;color:var(--muted)}.faq-grid{display:grid;gap:14px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px}.faq-item h3{margin:0 0 8px;color:#172033}.faq-item p{margin:0;color:var(--muted)}.cta-section{width:min(1180px,calc(100% - 32px));margin:48px auto;background:linear-gradient(135deg,#edf6ff,#fff);border:1px solid var(--primary-line);border-radius:30px;padding:34px;text-align:center;box-shadow:var(--shadow)}.cta-section h2{margin:0 0 10px;font-size:clamp(28px,5vw,42px)}.cta-section p{margin:0 auto 22px;color:var(--muted);max-width:720px}
.page-hero{padding:44px 0 16px}.page-hero .container{background:linear-gradient(135deg,#fff,#f1f7ff);border:1px solid var(--line);border-radius:30px;padding:28px;box-shadow:var(--shadow)}.page-hero h1{font-size:clamp(32px,6vw,54px);line-height:1.12;margin:0 0 12px;letter-spacing:-.04em}.page-layout{width:min(1180px,calc(100% - 32px));margin:0 auto 52px;display:grid;gap:22px}.article-card{background:#fff;border:1px solid var(--line);border-radius:28px;padding:24px;box-shadow:var(--shadow)}.article-card h2{margin:0 0 12px;font-size:28px}.article-card p{color:var(--muted);margin:0 0 14px}.side-panel{display:grid;gap:14px;align-content:start}.category-grid{display:grid;gap:14px}.mini-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px}.mini-card h3{margin:0 0 8px}.mini-card p{margin:0;color:var(--muted);font-size:15px}.single-download{margin-top:22px}.number-list{display:grid;gap:12px;margin:18px 0;padding:0;list-style:none}.number-list li{display:grid;grid-template-columns:38px 1fr;gap:12px;align-items:start;color:var(--dark)}.number-list b{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;background:var(--primary-soft);color:var(--primary);border-radius:12px}.notice-box{border:1px solid var(--primary-line);background:var(--primary-soft);border-radius:20px;padding:18px;color:#2d405c}.site-footer{background:#111827;color:#e5e7eb;margin-top:40px}.footer-grid{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:42px 0;display:grid;gap:26px}.footer-logo{font-size:24px;font-weight:900;margin-bottom:10px}.site-footer p{color:#b9c1ce;max-width:560px}.site-footer h3{margin:0 0 12px;color:#fff}.site-footer a{display:block;color:#b9c1ce;margin:8px 0}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px;text-align:center;color:#98a2b3;font-size:14px}
@media (min-width:640px){.status-grid{grid-template-columns:repeat(2,1fr)}.service-index{grid-template-columns:repeat(2,1fr)}.category-grid{grid-template-columns:repeat(2,1fr)}.risk-grid{grid-template-columns:repeat(2,1fr)}.faq-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:900px){.nav-toggle{display:none}.main-nav{position:static;display:flex;flex-direction:row;align-items:center;background:transparent;border:0;box-shadow:none;padding:0;gap:2px}.main-nav a{font-size:14px;padding:8px 9px}.hero-grid{grid-template-columns:1.05fr .95fr;gap:28px}.hero-copy{padding:42px}.status-grid{grid-template-columns:repeat(5,1fr);margin-top:-30px;position:relative;z-index:3}.service-index{grid-template-columns:repeat(4,1fr)}.feature-panel{grid-template-columns:1.03fr .97fr;padding:34px}.feature-panel.reverse .feature-media{order:-1}.privacy-boundary-section .boundary-grid,.submit-chain-section .submit-grid,.developer-center-section .dev-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) 340px}.footer-grid{grid-template-columns:1.4fr .7fr .7fr}.section{padding:64px 0}}
@media (min-width:1120px){.main-nav a{padding:9px 11px}.service-index{grid-template-columns:repeat(7,1fr)}.service-card{min-height:210px}.service-card:nth-child(1),.service-card:nth-child(3){grid-column:span 2}.service-card:nth-child(2){grid-column:span 2}.service-card:nth-child(4),.service-card:nth-child(5),.service-card:nth-child(6),.service-card:nth-child(7){grid-column:span 1}}
@media (max-width:420px){.nav-wrap,.container,.page-layout,.cta-section{width:min(100% - 22px,1180px)}.hero-copy,.page-hero .container,.article-card,.feature-panel,.cta-section{border-radius:22px;padding:20px}.download-btn{width:100%;min-height:52px}.security-tags span{font-size:12px}.service-index{grid-template-columns:1fr}.status-grid{grid-template-columns:1fr}}